From 45be662e85f5059bdf463ecc043688a444827f9e Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Thu, 25 Jun 2026 23:35:13 +0800 Subject: [PATCH 01/90] Add skill discovery and loading --- docs/architecture.md | 5 +- docs/cordis-catalog/events-and-services.md | 17 +- docs/module-graph.md | 12 +- packages/README.md | 6 +- packages/core/README.md | 4 +- packages/core/agent-core/package.json | 4 + packages/core/agent-core/src/index.ts | 8 +- .../core/agent-core/tests/agent-core.spec.ts | 37 +- packages/core/agent-core/tsconfig.json | 6 + packages/core/agent-loop/README.md | 5 +- packages/core/agent-loop/src/index.ts | 17 +- packages/core/agent-loop/tests/loop.spec.ts | 15 + packages/core/skill/README.md | 41 ++ packages/core/skill/package.json | 37 ++ packages/core/skill/src/index.ts | 425 ++++++++++++++++++ packages/core/skill/tests/skill.spec.ts | 342 ++++++++++++++ packages/core/skill/tsconfig.json | 14 + packages/core/tool-skill/README.md | 15 + packages/core/tool-skill/package.json | 38 ++ packages/core/tool-skill/src/index.ts | 52 +++ .../core/tool-skill/tests/tool-skill.spec.ts | 86 ++++ packages/core/tool-skill/tsconfig.json | 16 + packages/ui/stdio-agent/README.md | 4 +- packages/ui/stdio-agent/src/index.ts | 7 +- .../ui/stdio-agent/tests/stdio-agent.spec.ts | 4 +- pnpm-lock.yaml | 40 ++ tsconfig.build.json | 2 + tsconfig.json | 2 + 28 files changed, 1234 insertions(+), 27 deletions(-) create mode 100644 packages/core/skill/README.md create mode 100644 packages/core/skill/package.json create mode 100644 packages/core/skill/src/index.ts create mode 100644 packages/core/skill/tests/skill.spec.ts create mode 100644 packages/core/skill/tsconfig.json create mode 100644 packages/core/tool-skill/README.md create mode 100644 packages/core/tool-skill/package.json create mode 100644 packages/core/tool-skill/src/index.ts create mode 100644 packages/core/tool-skill/tests/tool-skill.spec.ts create mode 100644 packages/core/tool-skill/tsconfig.json diff --git a/docs/architecture.md b/docs/architecture.md index 216ed949b6..d062b4b104 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -24,10 +24,12 @@ For a catalog of the **data structures** this architecture moves around — the │ @deepseek-ai/dsh-agent-loop (the ONE concrete plugin) │ │ @deepseek-ai/dsh-bash-local (bash impl) │ │ @deepseek-ai/dsh-tool-bash (bash tool schemas) │ +│ @deepseek-ai/dsh-tool-skill (skill loader tool) │ │ @deepseek-ai/dsh-session-persistence-jsonl (persistence impl)│ ├─────────────────────────────────────────────────────────────┤ │ @deepseek-ai/dsh-agent (vocabulary + registry) │ │ @deepseek-ai/dsh-tools (registry + exec waterfall)│ +│ @deepseek-ai/dsh-skill (skill discovery + listing)│ │ @deepseek-ai/dsh-system-prompt (assembly registry) │ │ @deepseek-ai/dsh-session (event-sourced log) │ │ @deepseek-ai/dsh-session-persistence (persistence seam) │ @@ -50,6 +52,7 @@ Dependency rule: **extension** plugins depend on interface packages, never on `d | `ctx.sessionPersistence` | `SessionPersistence` (abstract) | dsh-session-persistence | durable persistence seam: create/append/load/list sessions | | `ctx.systemPrompt` | `SystemPrompt` | dsh-system-prompt | ordered sections + tool schemas → `assemble()` | | `ctx.tools` | `ToolRegistry` | dsh-tools | tool definitions; `execute()` through waterfall | +| `ctx.skills` | `SkillService` | dsh-skill | discovers user/project/system skills and adds request-time skill guidance | | `ctx.agents` | `AgentRegistry` | dsh-agent | live `Agent` handles + the create/resume factory seam (returns an `AgentHandle` = `{ agent, dispose() }` for owned per-agent teardown) | | `ctx.agentLoop` | `AgentLoop` | dsh-agent-loop | creates `ReactLoopAgent`s and drives their loops | | `ctx.bash` | `BashExecutor` (abstract) | dsh-bash | bash execution seam: foreground runs + background tasks | @@ -202,7 +205,7 @@ Every MVP feature (including the TODO-marked ones), with the mechanism that impl | Plan mode | wrap `tools/execute` (deny writes) + `agent/request` (inject mode prompt) | | Sub-agents (spawn / fork / steer) | TODO seam on `AgentLoop.create()`; fork = seed Session with parent events; `steer()` on the child handle | | MCP | one plugin per server: discover tools → `ctx.tools.register()` | -| Skills | section + tool registration; `inject()` skill content on invocation | +| Skills | `dsh-skill` discovers `~/.dsh/skills`, `~/.agents/skills`, project `.dsh/skills`/`.agents/skills`, and system `~/.dsh/skills/.system`; `agent/request` appends the model-visible listing; `dsh-tool-skill` loads full skill content on demand | | Memory | section provider + tool | | Scheduled tasks (cron) | plugin registers model-callable scheduling tools; timer fires → `send(…, {source: {kind: 'cron', …}})` when idle / `inject()` notification when busy | | UI (GUI; CLI emits JSONL) | listen `agent/stream-chunk` + `session/event`; input → `send()` | diff --git a/docs/cordis-catalog/events-and-services.md b/docs/cordis-catalog/events-and-services.md index f424b8af09..84360b6140 100644 --- a/docs/cordis-catalog/events-and-services.md +++ b/docs/cordis-catalog/events-and-services.md @@ -301,7 +301,7 @@ Source: [`packages/core/tools/src/index.ts:43`](../../packages/core/tools/src/in ## Services -The 9 `ctx.` services the harness provides. An abstract seam (e.g. `ctx.bash`) is implemented by a separate package; the interface is what consumers code against. +The 10 `ctx.` services the harness provides. An abstract seam (e.g. `ctx.bash`) is implemented by a separate package; the interface is what consumers code against. ### `ctx.agentLoop` — `AgentLoop` @@ -310,12 +310,12 @@ The agent-loop plugin (`ctx.agentLoop`): creates ReactLoopAgents, runs their loo The loop itself is deliberately thin — every behavior beyond "call the model, run the tools, repeat" belongs to plugins listening on the event taxonomy declared in @deepseek-ai/dsh-agent. ```ts cordis-catalog -create(id: AgentId, options: AgentOptions = {}): ReactLoopAgent +create(id: AgentId, options: AgentOptions = {}, meta: Pick = {}): ReactLoopAgent createAgent(options: CreateAgentOptions): AgentHandle async resume(options: ResumeAgentOptions): Promise ``` -Source: [`packages/core/agent-loop/src/index.ts:63`](../../packages/core/agent-loop/src/index.ts) +Source: [`packages/core/agent-loop/src/index.ts:65`](../../packages/core/agent-loop/src/index.ts) ### `ctx.agents` — `AgentRegistry` @@ -414,6 +414,17 @@ list(): Session[] Source: [`packages/core/session/src/index.ts:229`](../../packages/core/session/src/index.ts) +### `ctx.skills` — `SkillService` + +```ts cordis-catalog +register(skill: SkillRegistration): () => void +async list(options: SkillLookupOptions = {}): Promise +async get(name: string, options: SkillLookupOptions = {}): Promise +async renderModelListing(options: SkillLookupOptions = {}): Promise +``` + +Source: [`packages/core/skill/src/index.ts:106`](../../packages/core/skill/src/index.ts) + ### `ctx.subagents` — `SubagentService` The `subagents` service: a registry of named SubagentProviders and a capability-checked start surface. diff --git a/docs/module-graph.md b/docs/module-graph.md index 93ad58725d..3dfe4b8a08 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -28,6 +28,8 @@ graph TD session-persistence-jsonl --> session-persistence session-persistence-sqlite --> session session-persistence-sqlite --> session-persistence + skill --> agent + skill --> llm tools --> agent tools --> llm tools --> system-prompt @@ -52,13 +54,19 @@ graph TD tool-bash --> bash tool-bash --> llm tool-bash --> tools + tool-skill --> agent + tool-skill --> llm + tool-skill --> skill + tool-skill --> tools agent-core --> agent agent-core --> agent-loop agent-core --> invariants agent-core --> llm agent-core --> session + agent-core --> skill agent-core --> system-prompt agent-core --> tool-bash + agent-core --> tool-skill agent-core --> tools subagent-acp --> agent subagent-acp --> llm @@ -106,13 +114,15 @@ graph TD | `invariants` | `agent`, `llm`, `session` | | `session-persistence-jsonl` | `session`, `session-persistence` | | `session-persistence-sqlite` | `session`, `session-persistence` | +| `skill` | `agent`, `llm` | | `tools` | `agent`, `llm`, `system-prompt` | | `ui-stdio` | `agent`, `llm`, `session` | | `acp` | `agent`, `llm`, `session`, `session-persistence`, `tools` | | `agent-loop` | `agent`, `llm`, `session`, `session-persistence`, `system-prompt`, `tools` | | `subagent` | `agent`, `llm`, `tools` | | `tool-bash` | `agent`, `bash`, `llm`, `tools` | -| `agent-core` | `agent`, `agent-loop`, `invariants`, `llm`, `session`, `system-prompt`, `tool-bash`, `tools` | +| `tool-skill` | `agent`, `llm`, `skill`, `tools` | +| `agent-core` | `agent`, `agent-loop`, `invariants`, `llm`, `session`, `skill`, `system-prompt`, `tool-bash`, `tool-skill`, `tools` | | `subagent-acp` | `agent`, `llm`, `subagent` | | `subagent-inprocess` | `agent`, `llm`, `session`, `subagent` | | `subagent-mock` | `agent`, `llm`, `subagent` | diff --git a/packages/README.md b/packages/README.md index c24e95838f..a76f7d5cfa 100644 --- a/packages/README.md +++ b/packages/README.md @@ -29,6 +29,8 @@ dsh-session ← dsh-llm, dsh-brand dsh-system-prompt ← dsh-llm dsh-agent ← dsh-llm, dsh-session, dsh-brand dsh-tools ← dsh-llm, dsh-system-prompt, dsh-agent +dsh-skill ← dsh-llm, dsh-agent +dsh-tool-skill ← dsh-skill, dsh-tools, dsh-agent, dsh-llm dsh-bash-local ← dsh-bash (BashExecutor impl) dsh-tool-bash ← dsh-bash, dsh-tools (bash tool schemas) dsh-llm-deepseek ← dsh-llm (DeepSeek adapter) @@ -44,7 +46,7 @@ dsh-subagent-spawn ← dsh-subagent, dsh-agent, dsh-session, dsh-llm (in-proces dsh-subagent-fork ← dsh-subagent-spawn, dsh-agent, dsh-session (in-process child seeded from parent log) dsh-subagent-acp ← dsh-subagent, dsh-agent, dsh-llm, @agentclientprotocol/sdk (out-of-process child over ACP) dsh-tool-subagent ← dsh-subagent, dsh-tools, dsh-agent (model-facing delegation tool) -dsh-agent-core ← timer, dsh-llm, dsh-session, dsh-system-prompt, dsh-tools, dsh-agent, dsh-invariants, dsh-tool-bash, dsh-agent-loop (the providerless spine, as one bundle plugin) +dsh-agent-core ← timer, dsh-llm, dsh-session, dsh-system-prompt, dsh-tools, dsh-skill, dsh-agent, dsh-invariants, dsh-tool-bash, dsh-tool-skill, dsh-agent-loop (the providerless spine, as one bundle plugin) dsh-stdio-agent ← dsh-agent-core, dsh-ui-stdio, dsh-session-persistence-jsonl, dsh-agent, dsh-session (stdio chat APP + bin) dsh-acp-agent ← dsh-agent-core, dsh-acp, dsh-session-persistence-jsonl (ACP server APP + bin) ``` @@ -59,6 +61,8 @@ The rule: **extension** plugins depend on interfaces, never on the concrete loop | `session/` | `core` | Event-sourced session log + in-memory store | `ctx.sessions` | | `system-prompt/` | `core` | Prompt-section + tool-schema assembly registry | `ctx.systemPrompt` | | `tools/` | `core` | Tool registry + `tools/execute` waterfall | `ctx.tools` | +| `skill/` | `core` | Skill discovery + request-time model listing | `ctx.skills` | +| `tool-skill/` | `core` | Model-facing `skill` loader tool | (registers on `ctx.tools`) | | `agent/` | `core` | Agent interface, registry, `agent/*` event vocabulary | `ctx.agents` | | `agent-loop/` | `core` | THE concrete loop plugin: `ReactLoopAgent` + the loop driver | `ctx.agentLoop` | | `agent-core/` | `core` | Bundle plugin: the providerless/executor-less/UI-less spine as code (forwards `agent-loop`'s `agents`) | (loads the spine) | diff --git a/packages/core/README.md b/packages/core/README.md index 8d8805471a..1ac57d868b 100644 --- a/packages/core/README.md +++ b/packages/core/README.md @@ -7,10 +7,12 @@ The packages every harness build is assembled from: the session log, the system- | `session/` | Event-sourced session log + in-memory store | `ctx.sessions` | | `system-prompt/` | Prompt-section + tool-schema assembly registry | `ctx.systemPrompt` | | `tools/` | Tool registry + `tools/execute` waterfall | `ctx.tools` | +| `skill/` | Agent skill discovery + request-time skill listing | `ctx.skills` | +| `tool-skill/` | Model-facing `skill` loader tool | (registers on `ctx.tools`) | | `agent/` | Agent interface, registry, `agent/*` event vocabulary | `ctx.agents` | | `agent-loop/` | The concrete loop plugin: `ReactLoopAgent` + the loop driver | `ctx.agentLoop` | | `agent-core/` | Bundle plugin: the providerless/executor-less/UI-less spine as code | (loads the spine) | `agent-loop` is the one concrete implementation of the `agent` seam and lives here because it is the harness's default product loop; everything else in `core/` is interface/vocabulary. Plugins depend on the `agent` vocabulary, never on `agent-loop` directly, so the loop stays swappable. -`agent-core` is the composition counterpart: one bundle plugin that loads the whole providerless spine (`timer` + `llm` + sessions + system-prompt + tools + agents + invariants + `tool-bash` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds only the swappable backends. It lives in `core/` because it composes exclusively `core/` + interface packages and ships no provider, executor, or UI of its own. +`agent-core` is the composition counterpart: one bundle plugin that loads the whole providerless spine (`timer` + `llm` + sessions + system-prompt + tools + skills + agents + invariants + `tool-bash` + `tool-skill` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds only the swappable backends. It lives in `core/` because it composes exclusively `core/` + interface packages and ships no provider, executor, or UI of its own. diff --git a/packages/core/agent-core/package.json b/packages/core/agent-core/package.json index a70ee30e71..2d01ec5900 100644 --- a/packages/core/agent-core/package.json +++ b/packages/core/agent-core/package.json @@ -28,8 +28,10 @@ "@deepseek-ai/dsh-invariants": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-skill": "^0.0.1", "@deepseek-ai/dsh-system-prompt": "^0.0.1", "@deepseek-ai/dsh-tool-bash": "^0.0.1", + "@deepseek-ai/dsh-tool-skill": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", "cordis": "^4.0.0-rc.6" }, @@ -40,8 +42,10 @@ "@deepseek-ai/dsh-invariants": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-skill": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tool-bash": "workspace:^", + "@deepseek-ai/dsh-tool-skill": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "cordis": "^4.0.0-rc.6" } diff --git a/packages/core/agent-core/src/index.ts b/packages/core/agent-core/src/index.ts index ad3f5d8c46..47617b1308 100644 --- a/packages/core/agent-core/src/index.ts +++ b/packages/core/agent-core/src/index.ts @@ -3,8 +3,8 @@ * * Loads the fixed set of services every harness agent needs — `timer`, the LLM * service, the session store, system-prompt assembly, the tool registry, the - * agent registry, the dev-mode invariants, the model-facing `bash` tool - * schemas, and the concrete `agent-loop` — and forwards the loop's `agents` + * skill registry, the agent registry, the dev-mode invariants, the model-facing + * `bash` and `skill` tool schemas, and the concrete `agent-loop` — and forwards the loop's `agents` * list as its OWN config (default `[]`), so each app supplies its own * pre-created agents. * @@ -48,9 +48,11 @@ import LlmService from '@deepseek-ai/dsh-llm' import SessionStore from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' +import SkillService from '@deepseek-ai/dsh-skill' import AgentRegistry from '@deepseek-ai/dsh-agent' import * as invariants from '@deepseek-ai/dsh-invariants' import * as toolBash from '@deepseek-ai/dsh-tool-bash' +import * as toolSkill from '@deepseek-ai/dsh-tool-skill' import AgentLoop, { type Config as AgentLoopConfig } from '@deepseek-ai/dsh-agent-loop' export const name = 'agent-core' @@ -81,8 +83,10 @@ export function apply(ctx: Context, config: Config): void { ctx.plugin(SessionStore) ctx.plugin(SystemPrompt) ctx.plugin(ToolRegistry) + ctx.plugin(SkillService) ctx.plugin(AgentRegistry) ctx.plugin(invariants) ctx.plugin(toolBash) + ctx.plugin(toolSkill) ctx.plugin(AgentLoop, { agents: config.agents }) } diff --git a/packages/core/agent-core/tests/agent-core.spec.ts b/packages/core/agent-core/tests/agent-core.spec.ts index 67f5d88532..4a8954f9c6 100644 --- a/packages/core/agent-core/tests/agent-core.spec.ts +++ b/packages/core/agent-core/tests/agent-core.spec.ts @@ -1,4 +1,7 @@ import { describe, expect, it } from 'vitest' +import { mkdtemp } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import * as agentCore from '../src/index.ts' @@ -15,12 +18,22 @@ import { AgentId } from '@deepseek-ai/dsh-agent' * bin smokes; here we assert the composition + config forwarding. */ async function mount(config?: agentCore.Config): Promise { + const oldDshHome = process.env.DSH_HOME + process.env.DSH_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-home-')) const ctx = new Context() - await ctx.plugin(agentCore, config) - // The bundle mounts its children inside apply() (not awaited there); let their - // fibers settle so the spine services and any pre-created agent are ready. - await new Promise(resolve => setTimeout(resolve, 50)) - return ctx + try { + await ctx.plugin(agentCore, config) + // The bundle mounts its children inside apply() (not awaited there); let their + // fibers settle so the spine services and any pre-created agent are ready. + await new Promise(resolve => setTimeout(resolve, 50)) + return ctx + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + } } describe('dsh-agent-core bundle', () => { @@ -32,11 +45,25 @@ describe('dsh-agent-core bundle', () => { expect(ctx.get('sessions')).toBeDefined() expect(ctx.get('systemPrompt')).toBeDefined() expect(ctx.get('tools')).toBeDefined() + expect(ctx.get('skills')).toBeDefined() expect(ctx.get('agents')).toBeDefined() expect(ctx.get('agentLoop')).toBeDefined() await ctx.fiber.dispose() }) + it('includes the default skill system and skill tool', async () => { + const ctx = await mount() + + expect(ctx.skills).toBeDefined() + expect(ctx.tools.schemas().map(tool => tool.name)).toContain('skill') + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ + 'dsh-plugin-creator', + 'dsh-skill-creator', + ])) + + await ctx.fiber.dispose() + }) + it('defaults the agents list to empty (no pre-created agents)', async () => { const ctx = await mount() expect(ctx.get('agents')?.get(AgentId('main'))).toBeUndefined() diff --git a/packages/core/agent-core/tsconfig.json b/packages/core/agent-core/tsconfig.json index 83bf06c586..6b53f62024 100644 --- a/packages/core/agent-core/tsconfig.json +++ b/packages/core/agent-core/tsconfig.json @@ -26,6 +26,12 @@ { "path": "../../core/tools" }, + { + "path": "../../core/skill" + }, + { + "path": "../../core/tool-skill" + }, { "path": "../../core/agent" }, diff --git a/packages/core/agent-loop/README.md b/packages/core/agent-loop/README.md index 4892b357bf..a477921c98 100644 --- a/packages/core/agent-loop/README.md +++ b/packages/core/agent-loop/README.md @@ -8,7 +8,7 @@ This is the only package in the harness that contains concrete loop logic. Every ### Public API -- `ctx.agentLoop.create(id: string, options?: AgentOptions): ReactLoopAgent` — config-driven create: an agent on a fresh per-run session id `${id}-session-` (no cwd). Used for `cordis.yml`-configured agents. The per-run uuid avoids colliding with the on-disk log a prior run materialized once a durable persistence backend is loaded; each run is a new session (a deliberate demo simplification — a real resume-or-create policy is a TODO). Disposed with the calling fiber. +- `ctx.agentLoop.create(id: string, options?: AgentOptions, meta?: { cwd?: string }): ReactLoopAgent` — config-driven create: an agent on a fresh per-run session id `${id}-session-` with optional session metadata. Used for `cordis.yml`-configured agents. The per-run uuid avoids colliding with the on-disk log a prior run materialized once a durable persistence backend is loaded; each run is a new session (a deliberate demo simplification — a real resume-or-create policy is a TODO). Disposed with the calling fiber. `AgentLoop` also implements the `AgentFactory` seam and registers itself via `ctx.agents.setFactory(this)`, so plugins create/resume agents through `ctx.agents` (the interface): @@ -29,11 +29,12 @@ interface Config { id: string // required model?: string systemPrompt?: string + cwd?: string // optional workspace cwd for the fresh session }> } ``` -Agents listed in config are auto-created at startup. +Agents listed in config are auto-created at startup. `cwd` applies only to fresh config-created sessions; `resumeSessionId` keeps the persisted session header. ### Classes diff --git a/packages/core/agent-loop/src/index.ts b/packages/core/agent-loop/src/index.ts index ab95ea5aac..73811b192d 100644 --- a/packages/core/agent-loop/src/index.ts +++ b/packages/core/agent-loop/src/index.ts @@ -12,7 +12,7 @@ import { randomUUID } from 'node:crypto' import z from 'schemastery' import type { AgentFactory, AgentHandle, AgentId, AgentOptions, CreateAgentOptions, ResumeAgentOptions } from '@deepseek-ai/dsh-agent' import type {} from '@deepseek-ai/dsh-llm' -import { SessionId } from '@deepseek-ai/dsh-session' +import { SessionId, type SessionHeader } from '@deepseek-ai/dsh-session' import type { Session } from '@deepseek-ai/dsh-session' import type {} from '@deepseek-ai/dsh-system-prompt' import type {} from '@deepseek-ai/dsh-tools' @@ -33,6 +33,8 @@ export interface Config { /** Agents created from configuration at startup. */ agents: (AgentOptions & { id: AgentId + /** Optional workspace cwd for the config-created fresh session. */ + cwd?: string /** * If set, the config agent RESUMES this persisted session id instead of * starting a fresh `${id}-session-`. Sourced from an env var in @@ -73,6 +75,7 @@ export class AgentLoop extends Service implements AgentFactory { id: z.string().required(), model: z.string(), systemPrompt: z.string(), + cwd: z.string(), resumeSessionId: z.string(), })).default([]), }) as unknown as z @@ -82,7 +85,7 @@ export class AgentLoop extends Service implements AgentFactory { // Provide the agent-creation factory to the registry (effect-scoped: the // slot is cleared on dispose). ctx.effect(() => this.ctx.agents.setFactory(this), 'agentLoop.setFactory()') - for (const { id, resumeSessionId, ...options } of config.agents) { + for (const { id, cwd, resumeSessionId, ...options } of config.agents) { if (resumeSessionId !== undefined && resumeSessionId !== '') { // Resume a prior session instead of starting fresh. resume() needs // `ctx.sessionPersistence`, which may load AFTER this plugin (cordis.yml @@ -101,15 +104,15 @@ export class AgentLoop extends Service implements AgentFactory { return () => void fiber.dispose() }, `agentLoop.resume(${id})`) } else { - this.create(id, options) + this.create(id, options, cwd === undefined ? {} : { cwd }) } } } /** * Config-driven create: an agent on a FRESH, non-colliding session id per run - * (`${id}-session-`, no cwd). Used for `cordis.yml`-configured agents - * and as the shared core for the programmatic factory {@link createAgent}. + * (`${id}-session-`). Used for `cordis.yml`-configured agents and as + * the shared core for the programmatic factory {@link createAgent}. * * Why a per-run id, not a fixed `${id}-session`: once a durable persistence * backend is loaded, a fixed id collides on the second run — the backend @@ -122,13 +125,13 @@ export class AgentLoop extends Service implements AgentFactory { * else start fresh) or an explicit caller-chosen session id — revisit when the * UI/ACP path owns session selection. */ - create(id: AgentId, options: AgentOptions = {}): ReactLoopAgent { + create(id: AgentId, options: AgentOptions = {}, meta: Pick = {}): ReactLoopAgent { this.assertAgentIdFree(id) // Config/programmatic path: prepare the session and let start() fold its // lifecycle into the agent's composite effect (so a fiber unload tears the // session + agent down as one ordered chain, capturing the loop's closing // flush). The whole effect is owned by THIS fiber; no AgentHandle is needed. - const session = this.ctx.sessions.prepare(SessionId(`${id}-session-${randomUUID()}`), { meta: {} }) + const session = this.ctx.sessions.prepare(SessionId(`${id}-session-${randomUUID()}`), { meta }) const { agent } = this.start(id, options, session) return agent } diff --git a/packages/core/agent-loop/tests/loop.spec.ts b/packages/core/agent-loop/tests/loop.spec.ts index d018eff7a2..fdb6672bac 100644 --- a/packages/core/agent-loop/tests/loop.spec.ts +++ b/packages/core/agent-loop/tests/loop.spec.ts @@ -677,6 +677,21 @@ describe('agent loop', () => { expect(adapter.requests).toHaveLength(1) }) + it('attaches config agent cwd to the fresh session header', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { + agents: [{ id: AgentId('config-agent'), model: 'mock', systemPrompt: '', cwd: '/work/project' }], + }) + + const agent = ctx.agents.get(AgentId('config-agent'))! as ReactLoopAgent + expect(agent.session.header.cwd).toBe('/work/project') + }) + it('replays a session log into an identical derived history', async () => { const adapter = new MockAdapter([ toolCallResponse('c1', 'echo', { text: 'x' }), diff --git a/packages/core/skill/README.md b/packages/core/skill/README.md new file mode 100644 index 0000000000..5fcb144adc --- /dev/null +++ b/packages/core/skill/README.md @@ -0,0 +1,41 @@ +# @deepseek-ai/dsh-skill + +Agent skill discovery and model-facing skill guidance. + +## Service: `SkillService` (ctx key: `skills`) + +### Public API + +- `ctx.skills.list({ cwd? })` Returns model-invocable skill summaries for the current workspace. +- `ctx.skills.get(name, { cwd? })` Returns the full skill, including disabled-for-model skills. +- `ctx.skills.register(skill): () => void` Registers a runtime skill, disposed with the calling fiber. + +### Discovery + +Default roots are resolved in this conflict priority order: + +| Source | Path | +|---|---| +| Project DSH | `/.dsh/skills` | +| Project agents | `/.agents/skills` | +| Runtime | `ctx.skills.register(...)` | +| User DSH | `~/.dsh/skills` | +| User agents | `~/.agents/skills` | +| Extra | `Config.extraRoots` | +| System | `~/.dsh/skills/.system` | + +The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. The user DSH root skips `.system` during normal user scanning so system skills are read exactly once. Same-name skills keep the highest-priority copy, then model-visible summaries are sorted by skill name for stable prompts and provider prefix-cache friendliness. + +Discovery is memoized per resolved root set and runtime-skill revision. Runtime `register()` and disposer calls invalidate the cache; disk-only changes are picked up on the next invalidation or process restart. + +## Skill Format + +Skills can be single-level directory bundles (`/SKILL.md`) or flat Markdown files (`.md`). Nested `**/SKILL.md` discovery is intentionally not part of v1. Frontmatter requires `name` and `description`; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names must be kebab-case. + +## Prompt Integration + +The service listens on `agent/request` and appends a short `## Skills` listing to the request system prompt for the calling agent's cwd. The listing contains only stable routing metadata (`name`, `source`, `description`, and optional `whenToUse`), not skill bodies or local absolute paths. `description` and `whenToUse` are whitespace-normalized and capped in the listing so one pathological skill cannot bloat every model request. Models load full instructions through the `skill` tool. + +## System Skills + +On startup, the service ensures bundled system skills exist under `~/.dsh/skills/.system` unless `installSystemSkills: false` is configured. Project, runtime, user, and extra-root skills can override system skills by name. diff --git a/packages/core/skill/package.json b/packages/core/skill/package.json new file mode 100644 index 0000000000..f16ef58135 --- /dev/null +++ b/packages/core/skill/package.json @@ -0,0 +1,37 @@ +{ + "name": "@deepseek-ai/dsh-skill", + "description": "Agent skill discovery and prompt listing for the DeepSeek Harness", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "yaml": "^2.4.2" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts new file mode 100644 index 0000000000..631d84a415 --- /dev/null +++ b/packages/core/skill/src/index.ts @@ -0,0 +1,425 @@ +/** + * Agent skill discovery and prompt listing. + * + * Skills are progressive-disclosure instructions: the model sees only a short + * listing in the system prompt, then calls the `skill` tool to load the full + * `SKILL.md` body when a task matches. + * + * @module @deepseek-ai/dsh-skill + */ + +import { access, mkdir, readdir, readFile, writeFile } from 'node:fs/promises' +import { dirname, join, resolve } from 'node:path' +import { homedir } from 'node:os' +import { Context, Service } from 'cordis' +import { parse as parseYaml } from 'yaml' +import type { GenerateOptions } from '@deepseek-ai/dsh-llm' +import type {} from '@deepseek-ai/dsh-agent' + +const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ +const MAX_PROMPT_FIELD_LENGTH = 500 + +export function isSkillName(name: string): boolean { + return SKILL_NAME.test(name) +} + +export type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'extra' | 'system' + +export interface SkillSummary { + name: string + description: string + whenToUse?: string + disableModelInvocation?: boolean + directory: string + source: SkillSource +} + +export interface SkillDefinition extends SkillSummary { + content: string + path?: string + metadata?: Record +} + +export type SkillRegistration = Omit & { + disableModelInvocation?: boolean +} + +export interface SkillLookupOptions { + cwd?: string | undefined +} + +export interface Config { + /** DeepSeek Harness config root. Defaults to `$DSH_HOME` or `~/.dsh`. */ + dshHome?: string + /** Shared agent config root. Defaults to `~/.agents`. */ + agentsHome?: string + /** Extra skill roots, scanned after user roots and before system skills. */ + extraRoots?: string[] + /** Ensure bundled system skills exist under `/skills/.system`. Defaults true. */ + installSystemSkills?: boolean +} + +declare module 'cordis' { + interface Context { + skills: SkillService + } +} + +interface SkillRoot { + path: string + source: SkillSource + skipSystem?: boolean +} + +const SYSTEM_SKILLS: SkillDefinition[] = [ + { + name: 'dsh-plugin-creator', + description: 'Create or update DeepSeek Harness Cordis plugins and packages.', + directory: 'system://dsh-plugin-creator', + source: 'system', + content: [ + 'Use this skill to create DeepSeek Harness plugins that fit the repository architecture.', + '', + 'Prefer Cordis services, plugin packages, effect-scoped registrations, and existing extension seams over loop changes.', + 'When adding a swappable capability, design the interface/implementation/consumer split first.', + 'Every registry or registration path needs disposal/HMR coverage.', + 'Update package docs, architecture docs, package graph references, and generated catalogs when public surfaces change.', + ].join('\n'), + }, + { + name: 'dsh-skill-creator', + description: 'Create or update DeepSeek Harness SKILL.md instructions.', + whenToUse: 'Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.', + directory: 'system://dsh-skill-creator', + source: 'system', + content: [ + 'Use this skill to write focused DeepSeek Harness skills.', + '', + 'A skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.', + 'Frontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.', + 'Use optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.', + 'Keep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.', + ].join('\n'), + }, +] + +export class SkillService extends Service { + private readonly dshHome: string + private readonly agentsHome: string + private readonly extraRoots: string[] + private readonly installSystemSkills: boolean + private readonly runtime = new Map() + private readonly collectCache = new Map>() + private runtimeRevision = 0 + private systemReady: Promise | undefined + + constructor(ctx: Context, config: Config = {}) { + super(ctx, 'skills') + this.dshHome = resolve(config.dshHome ?? process.env.DSH_HOME ?? join(homedir(), '.dsh')) + this.agentsHome = resolve(config.agentsHome ?? join(homedir(), '.agents')) + this.extraRoots = (config.extraRoots ?? []).map(root => resolve(root)) + this.installSystemSkills = config.installSystemSkills ?? true + if (this.installSystemSkills) { + const systemRoot = join(this.dshHome, 'skills/.system') + this.systemReady = writeSystemSkills(systemRoot, this.ctx).catch((error: unknown) => { + this.ctx.logger.warn(`failed to install bundled system skills under ${systemRoot}: ${errorMessage(error)}`) + }) + } + + ctx.on('agent/request', async (agent, _turn, _step, _request, next) => { + const listing = await this.renderModelListing({ cwd: agent.session.header.cwd }) + const result = await next() + if (listing.length > 0) appendSystem(result, listing) + return result + }) + } + + register(skill: SkillRegistration): () => void { + const normalized = normalizeSkill(skill) + const dispose = this.ctx.effect(function* (this: SkillService) { + this.runtime.set(normalized.name, normalized) + this.invalidateCache() + yield () => { + this.runtime.delete(normalized.name) + this.invalidateCache() + } + }.bind(this), 'skills.register()') + return () => void dispose() + } + + async list(options: SkillLookupOptions = {}): Promise { + return (await this.collect(options)) + .filter(skill => skill.disableModelInvocation !== true) + .map(toSummary) + .sort(compareSummary) + } + + async get(name: string, options: SkillLookupOptions = {}): Promise { + if (!isSkillName(name)) return undefined + return (await this.collect(options)).find(skill => skill.name === name) + } + + async renderModelListing(options: SkillLookupOptions = {}): Promise { + const skills = await this.list(options) + if (skills.length === 0) return '' + const entries = skills.map((skill) => { + const lines = [ + ``, + `description: ${promptLine(skill.description)}`, + ...skill.whenToUse ? [`whenToUse: ${promptLine(skill.whenToUse)}`] : [], + '', + ] + return lines.join('\n') + }).join('\n') + return [ + '## Skills', + 'Available skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.', + '', + entries, + '', + ].join('\n') + } + + private async collect(options: SkillLookupOptions): Promise { + await this.ensureSystemSkills() + const roots = await this.roots(options.cwd) + const key = collectCacheKey(roots, this.runtimeRevision) + const cached = this.collectCache.get(key) + if (cached !== undefined) return cached + + const collected = this.collectFresh(roots) + this.collectCache.set(key, collected) + return collected + } + + private async collectFresh(roots: { project: SkillRoot[]; shared: SkillRoot[] }): Promise { + const seen = new Set() + const result: SkillDefinition[] = [] + + const add = (skill: SkillDefinition): void => { + if (seen.has(skill.name)) { + this.ctx.logger.warn(`skill "${skill.name}" from ${skill.directory} ignored because a higher-priority skill already exists`) + return + } + seen.add(skill.name) + result.push(skill) + } + + for (const root of roots.project) { + for (const skill of await discoverRoot(root, this.ctx)) add(skill) + } + for (const skill of [...this.runtime.values()].sort((a, b) => a.name.localeCompare(b.name))) add(skill) + for (const root of roots.shared) { + for (const skill of await discoverRoot(root, this.ctx)) add(skill) + } + return result + } + + private async roots(cwd: string | undefined): Promise<{ project: SkillRoot[]; shared: SkillRoot[] }> { + const project: SkillRoot[] = [] + if (cwd !== undefined) { + const projectRoot = await findProjectRoot(resolve(cwd)) + project.push( + { path: join(projectRoot, '.dsh/skills'), source: 'project-dsh' }, + { path: join(projectRoot, '.agents/skills'), source: 'project-agents' }, + ) + } + const shared: SkillRoot[] = [ + { path: join(this.dshHome, 'skills'), source: 'user-dsh', skipSystem: true }, + { path: join(this.agentsHome, 'skills'), source: 'user-agents' }, + ...this.extraRoots.map(path => ({ path, source: 'extra' as const })), + { path: join(this.dshHome, 'skills/.system'), source: 'system' }, + ] + return { project, shared } + } + + private ensureSystemSkills(): Promise { + return this.systemReady ?? Promise.resolve() + } + + private invalidateCache(): void { + this.runtimeRevision += 1 + this.collectCache.clear() + } +} + +async function writeSystemSkills(systemRoot: string, ctx: Context): Promise { + await mkdir(systemRoot, { recursive: true }) + await Promise.all(SYSTEM_SKILLS.map(async (skill) => { + const dir = join(systemRoot, skill.name) + const file = join(dir, 'SKILL.md') + try { + await access(file) + return + } catch { + // Expected first-run path: the bundled system skill has not been installed. + } + await mkdir(dir, { recursive: true }) + await writeFile(file, renderSkillFile(skill)) + ctx.logger.debug(`installed system skill ${skill.name} at ${file}`) + })) +} + +function renderSkillFile(skill: SkillDefinition): string { + const frontmatter = [ + '---', + `name: ${skill.name}`, + `description: ${skill.description}`, + ...skill.whenToUse ? [`whenToUse: ${skill.whenToUse}`] : [], + '---', + '', + ] + return `${frontmatter.join('\n')}${skill.content}\n` +} + +async function discoverRoot(root: SkillRoot, ctx: Context): Promise { + let entries + try { + entries = await readdir(root.path, { withFileTypes: true, encoding: 'utf8' }) + } catch { + return [] + } + + const skills: SkillDefinition[] = [] + for (const entry of entries.sort((a, b) => a.name.localeCompare(b.name))) { + if (root.skipSystem && entry.name === '.system') continue + const fullPath = join(root.path, entry.name) + const parsed = entry.isDirectory() + ? await parseSkillFile(join(fullPath, 'SKILL.md'), fullPath, root.source, ctx) + : entry.isFile() && entry.name.endsWith('.md') + ? await parseSkillFile(fullPath, root.path, root.source, ctx) + : undefined + if (parsed) skills.push(parsed) + } + return skills +} + +async function parseSkillFile(path: string, directory: string, source: SkillSource, ctx: Context): Promise { + let raw: string + try { + raw = await readFile(path, 'utf8') + } catch { + return undefined + } + const parsed = parseFrontmatter(raw) + if (!parsed) { + ctx.logger.warn(`skill file ${path} ignored: missing YAML frontmatter`) + return undefined + } + const name = stringField(parsed.data, 'name') + const description = stringField(parsed.data, 'description') + if (name === undefined || description === undefined) { + ctx.logger.warn(`skill file ${path} ignored: frontmatter requires name and description`) + return undefined + } + if (!isSkillName(name)) { + ctx.logger.warn(`skill file ${path} ignored: invalid skill name "${name}"`) + return undefined + } + return { + name, + description, + ...optionalString(parsed.data, 'whenToUse'), + ...optionalBoolean(parsed.data, 'disableModelInvocation'), + ...optionalMetadata(parsed.data), + directory, + path, + source, + content: parsed.body.trim(), + } +} + +function parseFrontmatter(raw: string): { data: Record; body: string } | undefined { + if (!raw.startsWith('---\n')) return undefined + const end = raw.indexOf('\n---', 4) + if (end < 0) return undefined + const yaml = raw.slice(4, end) + const bodyStart = raw.indexOf('\n', end + 4) + const parsed = parseYaml(yaml) as unknown + if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return undefined + return { data: parsed as Record, body: bodyStart < 0 ? '' : raw.slice(bodyStart + 1) } +} + +async function findProjectRoot(cwd: string): Promise { + let current = cwd + while (true) { + try { + await access(join(current, '.git')) + return current + } catch { + // Continue walking upward until a git root is found. + } + const parent = dirname(current) + if (parent === current) return cwd + current = parent + } +} + +function normalizeSkill(skill: SkillRegistration): SkillDefinition { + if (!SKILL_NAME.test(skill.name)) throw new Error(`invalid skill name "${skill.name}"`) + if (skill.description.length === 0) throw new Error(`skill "${skill.name}" requires a description`) + return { ...skill, source: skill.source } +} + +function toSummary(skill: SkillDefinition): SkillSummary { + const { name, description, whenToUse, disableModelInvocation, directory, source } = skill + return { + name, + description, + ...whenToUse !== undefined ? { whenToUse } : {}, + ...disableModelInvocation !== undefined ? { disableModelInvocation } : {}, + directory, + source, + } +} + +function compareSummary(left: SkillSummary, right: SkillSummary): number { + return left.name.localeCompare(right.name) +} + +function promptLine(value: string): string { + const normalized = value.replaceAll(/\s+/g, ' ').trim() + if (normalized.length <= MAX_PROMPT_FIELD_LENGTH) return normalized + return `${normalized.slice(0, MAX_PROMPT_FIELD_LENGTH - 3)}...` +} + +function stringField(data: Record, key: string): string | undefined { + const value = data[key] + return typeof value === 'string' && value.length > 0 ? value : undefined +} + +function optionalString(data: Record, key: string): { [K in typeof key]?: string } { + const value = data[key] + return typeof value === 'string' && value.length > 0 ? { [key]: value } : {} +} + +function optionalBoolean(data: Record, key: string): { [K in typeof key]?: boolean } { + const value = data[key] + return typeof value === 'boolean' ? { [key]: value } : {} +} + +function optionalMetadata(data: Record): { metadata?: Record } { + const value = data.metadata + if (typeof value === 'object' && value !== null && !Array.isArray(value)) { + return { metadata: value as Record } + } + return {} +} + +function escapeAttr(value: string): string { + return value.replaceAll('&', '&').replaceAll('"', '"').replaceAll('<', '<') +} + +function collectCacheKey(roots: { project: SkillRoot[]; shared: SkillRoot[] }, runtimeRevision: number): string { + return JSON.stringify({ runtimeRevision, roots }) +} + +function errorMessage(error: unknown): string { + return String(error) +} + +function appendSystem(request: GenerateOptions, text: string): void { + request.system = [request.system ?? '', text].filter(part => part.length > 0).join('\n\n') +} + +export default SkillService diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts new file mode 100644 index 0000000000..659e4c8b74 --- /dev/null +++ b/packages/core/skill/tests/skill.spec.ts @@ -0,0 +1,342 @@ +import { describe, expect, it } from 'vitest' +import { mkdir, readFile, writeFile } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' +import { Context } from 'cordis' +import SkillService from '@deepseek-ai/dsh-skill' + +async function tempDir(name: string): Promise { + return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) +} + +async function writeSkill(root: string, name: string, description: string, body = 'Use the skill.'): Promise { + const dir = join(root, name) + await mkdir(dir, { recursive: true }) + await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +async function writeFlatSkill(root: string, name: string, description: string, body = 'Flat body.'): Promise { + await mkdir(root, { recursive: true }) + await writeFile(join(root, `${name}.md`), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +describe('SkillService', () => { + it('discovers project, user, agents, and system skill roots in priority order', async () => { + const home = await tempDir('skill-home') + const agentsHome = await tempDir('agents-home') + const project = await tempDir('skill-project') + await mkdir(join(project, '.git'), { recursive: true }) + + await writeSkill(join(home, '.dsh/skills/.system'), 'same', 'system skill') + await writeSkill(join(agentsHome, '.agents/skills'), 'same', 'user agents skill') + await writeSkill(join(home, '.dsh/skills'), 'same', 'user dsh skill') + await writeSkill(join(project, '.agents/skills'), 'same', 'project agents skill') + await writeSkill(join(project, '.dsh/skills'), 'same', 'project dsh skill') + await writeSkill(join(home, '.dsh/skills/.system'), 'system-only', 'system only') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(agentsHome, '.agents'), installSystemSkills: false }) + + const skills = await ctx.skills.list({ cwd: join(project, 'src') }) + expect(skills.map(skill => [skill.name, skill.description])).toEqual([ + ['same', 'project dsh skill'], + ['system-only', 'system only'], + ]) + expect(skills.find(skill => skill.name === 'same')?.source).toBe('project-dsh') + }) + + it('sorts the final model-visible list by skill name after priority conflict resolution', async () => { + const home = await tempDir('skill-sorted-home') + const agentsHome = await tempDir('skill-sorted-agents') + const project = await tempDir('skill-sorted-project') + await mkdir(join(project, '.git'), { recursive: true }) + + await writeSkill(join(project, '.dsh/skills'), 'z-project', 'Project skill') + await writeSkill(join(home, '.dsh/skills'), 'm-user', 'User skill') + await writeSkill(join(home, '.dsh/skills/.system'), 'a-system', 'System skill') + await writeSkill(join(home, '.dsh/skills/.system'), 'm-user', 'Shadowed system skill') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(agentsHome, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.list({ cwd: project })).map(skill => [skill.name, skill.description])).toEqual([ + ['a-system', 'System skill'], + ['m-user', 'User skill'], + ['z-project', 'Project skill'], + ]) + }) + + it('gives project skills priority over runtime skills while runtime overrides user and system skills', async () => { + const home = await tempDir('skill-runtime-priority') + const project = await tempDir('skill-runtime-project') + await mkdir(join(project, '.git'), { recursive: true }) + + await writeSkill(join(project, '.dsh/skills'), 'project-name', 'Project wins') + await writeSkill(join(home, '.dsh/skills'), 'runtime-name', 'User loses') + await writeSkill(join(home, '.dsh/skills/.system'), 'runtime-name', 'System loses') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + ctx.skills.register({ + name: 'project-name', + description: 'Runtime loses to project', + content: 'Runtime body.', + directory: 'memory://project-name', + source: 'runtime', + }) + ctx.skills.register({ + name: 'runtime-name', + description: 'Runtime wins', + content: 'Runtime body.', + directory: 'memory://runtime-name', + source: 'runtime', + }) + + expect((await ctx.skills.get('project-name', { cwd: project }))?.description).toBe('Project wins') + expect((await ctx.skills.get('runtime-name', { cwd: project }))?.description).toBe('Runtime wins') + }) + + it('does not scan .system twice through the user dsh root', async () => { + const home = await tempDir('skill-system') + await writeSkill(join(home, '.dsh/skills/.system'), 'builtin', 'builtin skill') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['builtin']) + }) + + it('parses flat skills and filters invalid or model-disabled skills from listing', async () => { + const home = await tempDir('skill-flat') + await writeFlatSkill(join(home, '.dsh/skills'), 'flat-skill', 'flat description', 'Flat instructions.') + await writeFile(join(home, '.dsh/skills/bad.md'), '---\nname: Bad_Name\ndescription: bad\n---\n\nbad') + await writeFile(join(home, '.dsh/skills/missing-description.md'), '---\nname: missing-description\n---\n\nbad') + await writeFile(join(home, '.dsh/skills/no-frontmatter.md'), 'No frontmatter.') + await writeFile(join(home, '.dsh/skills/open-frontmatter.md'), '---\nname: open-frontmatter') + await writeFile(join(home, '.dsh/skills/non-object.md'), '---\n[]\n---\n\nbad') + await writeFile(join(home, '.dsh/skills/no-trailing-body.md'), '---\nname: no-trailing-body\ndescription: No trailing body\n---') + await writeFile(join(home, '.dsh/skills/notes.txt'), 'ignored') + await mkdir(join(home, '.dsh/skills/not-a-skill'), { recursive: true }) + await writeSkill(join(home, '.dsh/skills'), 'hidden-skill', 'hidden description', 'Hidden.') + await writeFile(join(home, '.dsh/skills/hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: hidden description\ndisableModelInvocation: true\n---\n\nHidden.\n') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['flat-skill', 'no-trailing-body']) + expect((await ctx.skills.get('hidden-skill'))?.content).toContain('Hidden.') + expect(await ctx.skills.get('Bad_Name')).toBeUndefined() + }) + + it('renders no model listing when no model-invocable skills exist', async () => { + const home = await tempDir('skill-empty-listing') + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect(await ctx.skills.renderModelListing()).toBe('') + const request = { model: 'm', messages: [], system: 'base' } + const result = await ctx.waterfall('agent/request', { + session: { header: { cwd: home } }, + } as never, 1, 1, request, () => Promise.resolve(request)) + expect(result.system).toBe('base') + }) + + it('installs system skills into the DSH home without overwriting existing files', async () => { + const home = await tempDir('skill-install') + const existing = join(home, '.dsh/skills/.system/dsh-plugin-creator/SKILL.md') + await mkdir(join(home, '.dsh/skills/.system/dsh-plugin-creator'), { recursive: true }) + await writeFile(existing, '---\nname: dsh-plugin-creator\ndescription: Custom system skill\n---\n\nCustom body.\n') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + + expect((await ctx.skills.list()).map(skill => [skill.name, skill.description])).toEqual([ + ['dsh-plugin-creator', 'Custom system skill'], + ['dsh-skill-creator', 'Create or update DeepSeek Harness SKILL.md instructions.'], + ]) + expect(await readFile(existing, 'utf8')).toContain('Custom body.') + expect(await readFile(join(home, '.dsh/skills/.system/dsh-skill-creator/SKILL.md'), 'utf8')).toContain('dsh-skill-creator') + }) + + it('degrades when bundled system skill installation fails', async () => { + const home = await tempDir('skill-install-fail') + await writeFile(join(home, '.dsh'), 'not a directory') + await writeSkill(join(home, '.agents/skills'), 'fallback-skill', 'Fallback skill') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['fallback-skill']) + }) + + it('memoizes disk discovery until runtime skill registrations change', async () => { + const home = await tempDir('skill-cache') + await writeSkill(join(home, '.dsh/skills'), 'initial-skill', 'Initial skill') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill']) + await writeSkill(join(home, '.dsh/skills'), 'late-skill', 'Late skill') + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill']) + + const dispose = ctx.skills.register({ + name: 'runtime-skill', + description: 'runtime', + content: 'Runtime body.', + directory: 'memory://runtime', + source: 'runtime', + }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill', 'late-skill', 'runtime-skill']) + + dispose() + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill', 'late-skill']) + }) + + it('includes extra roots, optional metadata, and explicit false disable flags', async () => { + const home = await tempDir('skill-extra') + const extra = await tempDir('skill-extra-root') + await writeFile(join(extra, 'extra-skill.md'), [ + '---', + 'name: extra-skill', + 'description: Extra skill', + 'whenToUse: For extra-root tests', + 'disableModelInvocation: false', + 'metadata:', + ' owner: tests', + '---', + '', + 'Extra body.', + ].join('\n')) + + const ctx = new Context() + await ctx.plugin(SkillService, { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + extraRoots: [extra], + installSystemSkills: false, + }) + + expect(await ctx.skills.list()).toEqual([{ + name: 'extra-skill', + description: 'Extra skill', + whenToUse: 'For extra-root tests', + disableModelInvocation: false, + directory: extra, + source: 'extra', + }]) + expect((await ctx.skills.get('extra-skill'))?.metadata).toEqual({ owner: 'tests' }) + expect(await ctx.skills.renderModelListing()).toContain('whenToUse: For extra-root tests') + }) + + it('bounds prompt listing fields without changing stored skill content', async () => { + const home = await tempDir('skill-prompt-bounds') + const longDescription = 'a'.repeat(600) + await writeSkill(join(home, '.dsh/skills'), 'long-skill', longDescription, 'Full body.') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const listing = await ctx.skills.renderModelListing() + expect(listing).toContain(`${'a'.repeat(497)}...`) + expect(listing).not.toContain('a'.repeat(600)) + expect((await ctx.skills.get('long-skill'))?.description).toBe(longDescription) + }) + + it('adds skill guidance through the agent/request waterfall without including bodies', async () => { + const home = await tempDir('skill-guidance') + await writeSkill(join(home, '.dsh/skills'), 'research-helper', 'Research helper', 'Long body that must not be listed.') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const request = await ctx.waterfall('agent/request', { + session: { header: { cwd: home } }, + } as never, 1, 1, { model: 'm', messages: [], system: 'base' }, () => Promise.resolve({ model: 'm', messages: [], system: 'base' })) + + expect(request.system ?? '').toContain('## Skills\n') + expect(request.system ?? '').toContain('research-helper') + expect(request.system ?? '').toContain('source="project-dsh"') + expect(request.system ?? '').not.toContain(home) + expect(request.system ?? '').not.toContain('Long body') + expect((request.system ?? '').match(/## Skills/g)).toHaveLength(1) + + const sameObject = { model: 'm', messages: [], system: 'base' } + const sameObjectResult = await ctx.waterfall('agent/request', { + session: { header: { cwd: home } }, + } as never, 1, 1, sameObject, () => Promise.resolve(sameObject)) + expect(sameObjectResult.system).toContain('## Skills') + + const requestWithoutBase = await ctx.waterfall('agent/request', { + session: { header: { cwd: home } }, + } as never, 1, 1, { model: 'm', messages: [] }, () => Promise.resolve({ model: 'm', messages: [] })) + expect(requestWithoutBase.system).toContain('## Skills') + + const copyCtx = new Context() + await copyCtx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + copyCtx.on('agent/request', async (_agent, _turn, _step, requestToCopy) => ({ ...requestToCopy })) + const copiedRequest = await copyCtx.waterfall('agent/request', { + session: { header: { cwd: home } }, + } as never, 1, 1, { model: 'm', messages: [], system: 'base' }, () => Promise.resolve({ model: 'm', messages: [], system: 'base' })) + expect((copiedRequest.system ?? '').match(/## Skills/g)).toHaveLength(1) + }) + + it('cleans up runtime registered skills when the contributing fiber is disposed', async () => { + const ctx = new Context() + const home = await tempDir('skill-runtime') + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const fiber = await ctx.plugin(Object.assign((inner: Context) => { + inner.skills.register({ + name: 'runtime-skill', + description: 'runtime', + content: 'Runtime body.', + directory: 'memory://runtime', + source: 'runtime', + }) + }, { inject: ['skills'] })) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['runtime-skill']) + await fiber.dispose() + expect(await ctx.skills.list()).toEqual([]) + }) + + it('removes runtime registered skills when the returned disposer is called', async () => { + const home = await tempDir('skill-runtime-disposer') + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const dispose = ctx.skills.register({ + name: 'manual-dispose', + description: 'manual', + content: 'Manual body.', + directory: 'memory://manual', + source: 'runtime', + }) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['manual-dispose']) + dispose() + expect(await ctx.skills.list()).toEqual([]) + }) + + it('rejects invalid runtime skill registrations', async () => { + const home = await tempDir('skill-runtime-invalid') + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect(() => ctx.skills.register({ + name: 'Bad_Name', + description: 'bad', + content: 'bad', + directory: 'memory://bad', + source: 'runtime', + })).toThrow('invalid skill name') + expect(() => ctx.skills.register({ + name: 'empty-description', + description: '', + content: 'bad', + directory: 'memory://bad', + source: 'runtime', + })).toThrow('requires a description') + }) +}) diff --git a/packages/core/skill/tsconfig.json b/packages/core/skill/tsconfig.json new file mode 100644 index 0000000000..2ec8481fcd --- /dev/null +++ b/packages/core/skill/tsconfig.json @@ -0,0 +1,14 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": ["src"], + "references": [ + { "path": "../../../vendor/cosmokit" }, + { "path": "../../../vendor/cordis" }, + { "path": "../../llm/llm" }, + { "path": "../agent" } + ] +} diff --git a/packages/core/tool-skill/README.md b/packages/core/tool-skill/README.md new file mode 100644 index 0000000000..21f296ba66 --- /dev/null +++ b/packages/core/tool-skill/README.md @@ -0,0 +1,15 @@ +# @deepseek-ai/dsh-tool-skill + +The model-facing `skill` tool for loading full skill instructions. + +Requires `ctx.tools` and `ctx.skills` (`inject: ['tools', 'skills']`). + +## Tool: `skill` + +| Arg | Type | Notes | +|---|---|---| +| `name` | string (required) | Exact kebab-case skill name from the available skills listing. | + +Execution uses the calling agent's `session.header.cwd` to resolve project-local skills. A successful call returns a text block containing ``, the skill body, the skill base directory, and relative-path guidance. Unknown names, invalid names, and skills marked `disableModelInvocation: true` return `isError` tool results through the normal tool registry error path. + +The tool does not call `agent.inject()` in v1. Its result is already recorded as the tool result and becomes available to the next model step without duplicating the content as synthetic context. diff --git a/packages/core/tool-skill/package.json b/packages/core/tool-skill/package.json new file mode 100644 index 0000000000..508323d729 --- /dev/null +++ b/packages/core/tool-skill/package.json @@ -0,0 +1,38 @@ +{ + "name": "@deepseek-ai/dsh-tool-skill", + "description": "Model-facing skill loading tool for the DeepSeek Harness", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-skill": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-skill": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/core/tool-skill/src/index.ts b/packages/core/tool-skill/src/index.ts new file mode 100644 index 0000000000..faa5fb2243 --- /dev/null +++ b/packages/core/tool-skill/src/index.ts @@ -0,0 +1,52 @@ +/** + * Model-facing `skill` tool. + * + * @module @deepseek-ai/dsh-tool-skill + */ + +import type { Context } from 'cordis' +import { defineTool } from '@deepseek-ai/dsh-tools' +import { isSkillName, type SkillDefinition } from '@deepseek-ai/dsh-skill' + +export const name = 'tool-skill' +export const inject = ['tools', 'skills'] + +export function apply(ctx: Context): void { + const skillTool = defineTool({ + name: 'skill', + description: 'Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.', + parameters: { + name: { type: 'string', required: true, description: 'The exact skill name from the available skills list.' }, + }, + async execute(args, exec) { + if (!isSkillName(args.name)) { + throw new Error(`invalid skill name "${args.name}"`) + } + const skill = await ctx.skills.get(args.name, { cwd: exec.agent?.session.header.cwd }) + if (!skill) { + throw new Error(`unknown skill "${args.name}"`) + } + if (skill.disableModelInvocation === true) { + throw new Error(`skill "${args.name}" is not available for model invocation`) + } + return [{ type: 'text', text: renderSkillContent(skill) }] + }, + presentCall(args) { + return { title: `Load skill ${args.name}`, kind: 'read', rawInput: args.name } + }, + }) + ctx.tools.register(skillTool) +} + +function renderSkillContent(skill: SkillDefinition): string { + return [ + ``, + `# Skill: ${skill.name}`, + '', + skill.content, + '', + `Base directory for this skill: ${skill.directory}`, + 'Resolve relative files mentioned by this skill against the base directory before using them.', + '', + ].join('\n') +} diff --git a/packages/core/tool-skill/tests/tool-skill.spec.ts b/packages/core/tool-skill/tests/tool-skill.spec.ts new file mode 100644 index 0000000000..711a176f65 --- /dev/null +++ b/packages/core/tool-skill/tests/tool-skill.spec.ts @@ -0,0 +1,86 @@ +import { describe, expect, it } from 'vitest' +import { mkdir, writeFile } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' +import { Context } from 'cordis' +import { CallId } from '@deepseek-ai/dsh-llm' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import SkillService from '@deepseek-ai/dsh-skill' +import * as toolSkill from '@deepseek-ai/dsh-tool-skill' + +async function tempDir(name: string): Promise { + return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) +} + +async function writeSkill(root: string, name: string, description: string, body: string): Promise { + const dir = join(root, name) + await mkdir(dir, { recursive: true }) + await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +async function setup(home: string): Promise { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + await ctx.plugin(toolSkill) + return ctx +} + +describe('dsh-tool-skill', () => { + it('registers the skill tool schema and removes it on dispose', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const home = await tempDir('tool-schema') + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const fiber = await ctx.plugin(toolSkill) + expect(ctx.tools.schemas().map(tool => tool.name)).toEqual(['skill']) + expect(ctx.tools.get('skill')?.presentCall?.({ name: 'project-skill' })).toEqual({ + title: 'Load skill project-skill', + kind: 'read', + rawInput: 'project-skill', + }) + await fiber.dispose() + expect(ctx.tools.schemas()).toEqual([]) + }) + + it('loads a skill for the calling agent cwd', async () => { + const home = await tempDir('tool-load') + const project = await tempDir('tool-project') + await mkdir(join(project, '.git'), { recursive: true }) + await writeSkill(join(project, '.dsh/skills'), 'project-skill', 'Project skill', 'Project instructions.') + const ctx = await setup(home) + + const result = await ctx.tools.execute({ + callId: CallId('c1'), + name: 'skill', + arguments: { name: 'project-skill' }, + agent: { session: { header: { cwd: project } } } as never, + }) + + expect(result.isError).toBe(false) + const block = result.content[0] + expect(block?.type).toBe('text') + if (block?.type !== 'text') throw new Error('expected text skill result') + expect(block.text).toContain('') + expect(block.text).toContain('Project instructions.') + }) + + it('returns isError for unknown, invalid, and model-disabled skills', async () => { + const home = await tempDir('tool-errors') + await writeSkill(join(home, '.dsh/skills'), 'hidden-skill', 'Hidden skill', 'Hidden instructions.') + await writeFile(join(home, '.dsh/skills/hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: Hidden skill\ndisableModelInvocation: true\n---\n\nHidden instructions.\n') + const ctx = await setup(home) + + const unknown = await ctx.tools.execute({ callId: CallId('c1'), name: 'skill', arguments: { name: 'missing' } }) + const invalid = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'Bad_Name' } }) + const disabled = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'hidden-skill' } }) + + expect(unknown.isError).toBe(true) + expect(invalid.isError).toBe(true) + expect(disabled.isError).toBe(true) + }) +}) diff --git a/packages/core/tool-skill/tsconfig.json b/packages/core/tool-skill/tsconfig.json new file mode 100644 index 0000000000..d36e8a449c --- /dev/null +++ b/packages/core/tool-skill/tsconfig.json @@ -0,0 +1,16 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": ["src"], + "references": [ + { "path": "../../../vendor/cosmokit" }, + { "path": "../../../vendor/cordis" }, + { "path": "../../llm/llm" }, + { "path": "../agent" }, + { "path": "../skill" }, + { "path": "../tools" } + ] +} diff --git a/packages/ui/stdio-agent/README.md b/packages/ui/stdio-agent/README.md index a78df0fa72..9c62595aa9 100644 --- a/packages/ui/stdio-agent/README.md +++ b/packages/ui/stdio-agent/README.md @@ -11,7 +11,7 @@ A terminal chat always wants the same cluster, so the package owns it rather tha | Plugin | Why it is here | |---|---| | `@cordisjs/plugin-logger-console` | the console logger — stdout is just the terminal here, so logging to it is correct (the ACP app must NOT have this) | -| `@deepseek-ai/dsh-agent-core` | the spine, pre-creating a `main` agent from this app's `model`/`systemPrompt` | +| `@deepseek-ai/dsh-agent-core` | the spine, pre-creating a `main` agent from this app's `model`/`systemPrompt` with `process.cwd()` as the fresh session cwd | | `@deepseek-ai/dsh-session-persistence-jsonl` | durable JSONL session log under `persistenceRoot` | | `@deepseek-ai/dsh-ui-stdio` | the readline UI, bound to the `main` agent | @@ -29,6 +29,8 @@ The leaf `cordis.yml` supplies only the **swappable backends** — an LLM adapte | `welcome` | `ready.` | the stdin-chat banner | | `resumeSessionId` | — | resume a persisted session id instead of starting fresh (sourced from an env var in the leaf) | +Fresh stdio sessions use the process launch directory as `session.header.cwd`, so project-scoped features such as skill discovery and default bash workdir follow the directory where `dsh-stdio-agent` was started. Resumed sessions keep the cwd stored in the persisted session header. + ## The bin `dsh-stdio-agent [path-to-cordis.yml]` (default `./cordis.yml`) loads a gitignored `.env` from the cwd (`DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL`), then drives the cordis Loader against the config and awaits the whole plugin tree before returning. Run it under `node --expose-internals`: the cordis Loader resolves the config's bare plugin specifiers (`@deepseek-ai/dsh-*`, npm packages) through its internal module loader, which is only active under that flag. The `demo:echo` / `demo:coding` scripts invoke it that way. diff --git a/packages/ui/stdio-agent/src/index.ts b/packages/ui/stdio-agent/src/index.ts index c4b9ed202c..9d91134278 100644 --- a/packages/ui/stdio-agent/src/index.ts +++ b/packages/ui/stdio-agent/src/index.ts @@ -48,8 +48,10 @@ export const name = 'stdio-agent' /** * App config: the swappable per-demo values, each routed to where the app wires * it. `model`/`systemPrompt`/`resumeSessionId` configure the pre-created `main` - * agent (through {@link @deepseek-ai/dsh-agent-core}'s forwarded `agents` list); - * `persistenceRoot` is the JSONL backend's directory; `welcome` is the UI banner. + * agent (through {@link @deepseek-ai/dsh-agent-core}'s forwarded `agents` list). + * Fresh sessions use `process.cwd()` as their workspace cwd; resumed sessions + * keep their persisted cwd. `persistenceRoot` is the JSONL backend's directory; + * `welcome` is the UI banner. */ export interface Config { /** Model name for the `main` agent (must have a registered adapter). */ @@ -90,6 +92,7 @@ export function apply(ctx: Context, config: Config): void { id: AgentId('main'), model: config.model, systemPrompt: config.systemPrompt, + cwd: process.cwd(), ...config.resumeSessionId !== undefined ? { resumeSessionId: SessionId(config.resumeSessionId) } : {}, }], }) diff --git a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts index f72de0a1da..b3b2d9ac2a 100644 --- a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts +++ b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts @@ -34,7 +34,9 @@ describe('dsh-stdio-agent app', () => { expect(ctx.get('agentLoop')).toBeDefined() expect(ctx.get('sessionPersistence')).toBeDefined() // The pre-created `main` agent the UI drives. - expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined() + const agent = ctx.get('agents')?.get(AgentId('main')) + expect(agent).toBeDefined() + expect(agent?.session.header.cwd).toBe(process.cwd()) await ctx.fiber.dispose() }) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 55e565cad2..7ad0f1f89d 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -153,12 +153,18 @@ importers: '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../session + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../skill '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../system-prompt '@deepseek-ai/dsh-tool-bash': specifier: workspace:^ version: link:../../bash/tool-bash + '@deepseek-ai/dsh-tool-skill': + specifier: workspace:^ + version: link:../tool-skill '@deepseek-ai/dsh-tools': specifier: workspace:^ version: link:../tools @@ -212,6 +218,22 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/core/skill: + dependencies: + yaml: + specifier: ^2.4.2 + version: 2.9.0 + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../agent + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/core/system-prompt: devDependencies: '@deepseek-ai/dsh-llm': @@ -221,6 +243,24 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/core/tool-skill: + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../agent + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../skill + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../tools + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/core/tools: devDependencies: '@deepseek-ai/dsh-agent': diff --git a/tsconfig.build.json b/tsconfig.build.json index 4c71d2f14e..8c008704cf 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -19,6 +19,8 @@ { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, { "path": "./packages/core/tools" }, + { "path": "./packages/core/skill" }, + { "path": "./packages/core/tool-skill" }, { "path": "./packages/core/agent-loop" }, { "path": "./packages/core/agent-core" }, { "path": "./packages/bash/bash" }, diff --git a/tsconfig.json b/tsconfig.json index dcc23b2fbe..46ed4e35ce 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -30,6 +30,8 @@ { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, { "path": "./packages/core/tools" }, + { "path": "./packages/core/skill" }, + { "path": "./packages/core/tool-skill" }, { "path": "./packages/core/agent-loop" }, { "path": "./packages/core/agent-core" }, { "path": "./packages/bash/bash" }, From ca4ebb67dce527111f58dc5793a3a0cdc42285d7 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Wed, 1 Jul 2026 19:04:43 +0800 Subject: [PATCH 02/90] Fix CI demo smoke session assertion --- .github/workflows/ci.yml | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 9064a38cea..6353106dc6 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -89,9 +89,9 @@ jobs: echo "$out" echo "$out" | grep -q '\[tool call\] echo({"text":"ci smoke"})' echo "$out" | grep -q '\[tool result\] ECHO: CI SMOKE' - # The JSONL backend (root ./.sessions, no cwd → _no-cwd bucket) writes a - # per-run session log named main-session-.jsonl. Assert one exists. - ls .sessions/_no-cwd/main-session-*.jsonl >/dev/null + # The stdio app records process.cwd(); the JSONL backend stores that + # session under the cwd bucket as main-session-.jsonl. + test -n "$(find .sessions -path '.sessions/cwd-*/main-session-*.jsonl' -type f -print -quit)" rm -rf .sessions # The published `bin` is `lib/bin.js`, run under plain `node` by a real From 2943d0303ce1da92b7d954cfd09c7769178a0d7e Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Wed, 1 Jul 2026 19:57:52 +0800 Subject: [PATCH 03/90] Address skill review findings --- docs/cordis-catalog/events-and-services.md | 2 +- packages/core/skill/src/index.ts | 19 +++++-- packages/core/skill/tests/skill.spec.ts | 66 ++++++++++++++++++++++ 3 files changed, 82 insertions(+), 5 deletions(-) diff --git a/docs/cordis-catalog/events-and-services.md b/docs/cordis-catalog/events-and-services.md index 6fc641db67..0247aaf945 100644 --- a/docs/cordis-catalog/events-and-services.md +++ b/docs/cordis-catalog/events-and-services.md @@ -441,7 +441,7 @@ async get(name: string, options: SkillLookupOptions = {}): Promise ``` -Source: [`packages/core/skill/src/index.ts:106`](../../packages/core/skill/src/index.ts) +Source: [`packages/core/skill/src/index.ts:107`](../../packages/core/skill/src/index.ts) ### `ctx.subagents` — `SubagentService` diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index 631d84a415..4f6fc4129b 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -18,6 +18,7 @@ import type {} from '@deepseek-ai/dsh-agent' const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ const MAX_PROMPT_FIELD_LENGTH = 500 +const MAX_COLLECT_CACHE_ENTRIES = 128 export function isSkillName(name: string): boolean { return SKILL_NAME.test(name) @@ -189,6 +190,10 @@ export class SkillService extends Service { const collected = this.collectFresh(roots) this.collectCache.set(key, collected) + if (this.collectCache.size > MAX_COLLECT_CACHE_ENTRIES) { + const oldest = this.collectCache.keys().next().value + if (oldest !== undefined) this.collectCache.delete(oldest) + } return collected } @@ -334,10 +339,10 @@ function parseFrontmatter(raw: string): { data: Record; body: s const end = raw.indexOf('\n---', 4) if (end < 0) return undefined const yaml = raw.slice(4, end) - const bodyStart = raw.indexOf('\n', end + 4) const parsed = parseYaml(yaml) as unknown if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return undefined - return { data: parsed as Record, body: bodyStart < 0 ? '' : raw.slice(bodyStart + 1) } + const body = raw.slice(end + 4) + return { data: parsed as Record, body: body.startsWith('\n') ? body.slice(1) : body } } async function findProjectRoot(cwd: string): Promise { @@ -379,8 +384,10 @@ function compareSummary(left: SkillSummary, right: SkillSummary): number { function promptLine(value: string): string { const normalized = value.replaceAll(/\s+/g, ' ').trim() - if (normalized.length <= MAX_PROMPT_FIELD_LENGTH) return normalized - return `${normalized.slice(0, MAX_PROMPT_FIELD_LENGTH - 3)}...` + const truncated = normalized.length <= MAX_PROMPT_FIELD_LENGTH + ? normalized + : `${normalized.slice(0, MAX_PROMPT_FIELD_LENGTH - 3)}...` + return escapeText(truncated) } function stringField(data: Record, key: string): string | undefined { @@ -410,6 +417,10 @@ function escapeAttr(value: string): string { return value.replaceAll('&', '&').replaceAll('"', '"').replaceAll('<', '<') } +function escapeText(value: string): string { + return value.replaceAll('&', '&').replaceAll('<', '<').replaceAll('>', '>') +} + function collectCacheKey(roots: { project: SkillRoot[]; shared: SkillRoot[] }, runtimeRevision: number): string { return JSON.stringify({ runtimeRevision, roots }) } diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index 659e4c8b74..e9d558c6de 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -128,6 +128,24 @@ describe('SkillService', () => { expect(await ctx.skills.get('Bad_Name')).toBeUndefined() }) + it('keeps skill body text that begins immediately after the closing frontmatter delimiter', async () => { + const home = await tempDir('skill-frontmatter-body') + const root = join(home, '.dsh/skills') + await mkdir(root, { recursive: true }) + await writeFile(join(root, 'tight-body.md'), [ + '---', + 'name: tight-body', + 'description: Tight body', + '---First line must survive.', + 'Second line.', + ].join('\n')) + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.get('tight-body'))?.content).toBe('First line must survive.\nSecond line.') + }) + it('renders no model listing when no model-invocable skills exist', async () => { const home = await tempDir('skill-empty-listing') const ctx = new Context() @@ -243,6 +261,29 @@ describe('SkillService', () => { expect((await ctx.skills.get('long-skill'))?.description).toBe(longDescription) }) + it('escapes prompt listing text fields without changing stored skill content', async () => { + const home = await tempDir('skill-prompt-escape') + const root = join(home, '.dsh/skills') + await mkdir(root, { recursive: true }) + await writeFile(join(root, 'escaped-skill.md'), [ + '---', + 'name: escaped-skill', + 'description: Use safely', + 'whenToUse: Handle & marker', + '---', + 'Full body.', + ].join('\n')) + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const listing = await ctx.skills.renderModelListing() + expect(listing).toContain('description: Use </available_skills><oops> safely') + expect(listing).toContain('whenToUse: Handle <tag> & marker') + expect(listing).not.toContain('description: Use safely') + expect((await ctx.skills.get('escaped-skill'))?.description).toBe('Use safely') + }) + it('adds skill guidance through the agent/request waterfall without including bodies', async () => { const home = await tempDir('skill-guidance') await writeSkill(join(home, '.dsh/skills'), 'research-helper', 'Research helper', 'Long body that must not be listed.') @@ -301,6 +342,31 @@ describe('SkillService', () => { expect(await ctx.skills.list()).toEqual([]) }) + it('bounds discovery cache entries across many project roots', async () => { + const home = await tempDir('skill-cache-bound-home') + const projects = await Promise.all(Array.from({ length: 129 }, async (_, index) => { + const project = await tempDir(`skill-cache-bound-project-${index}`) + await mkdir(join(project, '.git'), { recursive: true }) + await writeSkill(join(project, '.dsh/skills'), `project-${index}`, `Project ${index}`) + return project + })) + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const firstProject = projects[0] + if (firstProject === undefined) throw new Error('expected at least one project') + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['project-0']) + await writeSkill(join(firstProject, '.dsh/skills'), 'late-project-0', 'Late project 0') + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['project-0']) + + for (const project of projects.slice(1)) { + await ctx.skills.list({ cwd: project }) + } + + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['late-project-0', 'project-0']) + }) + it('removes runtime registered skills when the returned disposer is called', async () => { const home = await tempDir('skill-runtime-disposer') const ctx = new Context() From c276b246b4f838d88e19958ec4956163df7f08e2 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Wed, 1 Jul 2026 19:57:52 +0800 Subject: [PATCH 04/90] Address skill review findings --- docs/cordis-catalog/events-and-services.md | 2 +- packages/core/skill/src/index.ts | 19 ++++- packages/core/skill/tests/skill.spec.ts | 95 ++++++++++++++++++++++ 3 files changed, 111 insertions(+), 5 deletions(-) diff --git a/docs/cordis-catalog/events-and-services.md b/docs/cordis-catalog/events-and-services.md index 6fc641db67..0247aaf945 100644 --- a/docs/cordis-catalog/events-and-services.md +++ b/docs/cordis-catalog/events-and-services.md @@ -441,7 +441,7 @@ async get(name: string, options: SkillLookupOptions = {}): Promise ``` -Source: [`packages/core/skill/src/index.ts:106`](../../packages/core/skill/src/index.ts) +Source: [`packages/core/skill/src/index.ts:107`](../../packages/core/skill/src/index.ts) ### `ctx.subagents` — `SubagentService` diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index 631d84a415..204ca2e7e7 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -18,6 +18,7 @@ import type {} from '@deepseek-ai/dsh-agent' const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ const MAX_PROMPT_FIELD_LENGTH = 500 +const MAX_COLLECT_CACHE_ENTRIES = 128 export function isSkillName(name: string): boolean { return SKILL_NAME.test(name) @@ -189,6 +190,10 @@ export class SkillService extends Service { const collected = this.collectFresh(roots) this.collectCache.set(key, collected) + if (this.collectCache.size > MAX_COLLECT_CACHE_ENTRIES) { + const oldest = this.collectCache.keys().next() as IteratorYieldResult + this.collectCache.delete(oldest.value) + } return collected } @@ -334,10 +339,10 @@ function parseFrontmatter(raw: string): { data: Record; body: s const end = raw.indexOf('\n---', 4) if (end < 0) return undefined const yaml = raw.slice(4, end) - const bodyStart = raw.indexOf('\n', end + 4) const parsed = parseYaml(yaml) as unknown if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return undefined - return { data: parsed as Record, body: bodyStart < 0 ? '' : raw.slice(bodyStart + 1) } + const body = raw.slice(end + 4) + return { data: parsed as Record, body: body.startsWith('\n') ? body.slice(1) : body } } async function findProjectRoot(cwd: string): Promise { @@ -379,8 +384,10 @@ function compareSummary(left: SkillSummary, right: SkillSummary): number { function promptLine(value: string): string { const normalized = value.replaceAll(/\s+/g, ' ').trim() - if (normalized.length <= MAX_PROMPT_FIELD_LENGTH) return normalized - return `${normalized.slice(0, MAX_PROMPT_FIELD_LENGTH - 3)}...` + const truncated = normalized.length <= MAX_PROMPT_FIELD_LENGTH + ? normalized + : `${normalized.slice(0, MAX_PROMPT_FIELD_LENGTH - 3)}...` + return escapeText(truncated) } function stringField(data: Record, key: string): string | undefined { @@ -410,6 +417,10 @@ function escapeAttr(value: string): string { return value.replaceAll('&', '&').replaceAll('"', '"').replaceAll('<', '<') } +function escapeText(value: string): string { + return value.replaceAll('&', '&').replaceAll('<', '<').replaceAll('>', '>') +} + function collectCacheKey(roots: { project: SkillRoot[]; shared: SkillRoot[] }, runtimeRevision: number): string { return JSON.stringify({ runtimeRevision, roots }) } diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index 659e4c8b74..e15187e16b 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -128,6 +128,24 @@ describe('SkillService', () => { expect(await ctx.skills.get('Bad_Name')).toBeUndefined() }) + it('keeps skill body text that begins immediately after the closing frontmatter delimiter', async () => { + const home = await tempDir('skill-frontmatter-body') + const root = join(home, '.dsh/skills') + await mkdir(root, { recursive: true }) + await writeFile(join(root, 'tight-body.md'), [ + '---', + 'name: tight-body', + 'description: Tight body', + '---First line must survive.', + 'Second line.', + ].join('\n')) + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.get('tight-body'))?.content).toBe('First line must survive.\nSecond line.') + }) + it('renders no model listing when no model-invocable skills exist', async () => { const home = await tempDir('skill-empty-listing') const ctx = new Context() @@ -141,6 +159,24 @@ describe('SkillService', () => { expect(result.system).toBe('base') }) + it('supports default home root resolution without installing system skills', async () => { + const previousDshHome = process.env.DSH_HOME + const envHome = await tempDir('skill-env-home') + try { + process.env.DSH_HOME = join(envHome, '.dsh') + await new Context().plugin(SkillService, { installSystemSkills: false }) + + delete process.env.DSH_HOME + await new Context().plugin(SkillService, { installSystemSkills: false }) + } finally { + if (previousDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = previousDshHome + } + } + }) + it('installs system skills into the DSH home without overwriting existing files', async () => { const home = await tempDir('skill-install') const existing = join(home, '.dsh/skills/.system/dsh-plugin-creator/SKILL.md') @@ -158,6 +194,17 @@ describe('SkillService', () => { expect(await readFile(join(home, '.dsh/skills/.system/dsh-skill-creator/SKILL.md'), 'utf8')).toContain('dsh-skill-creator') }) + it('renders bundled system skill files with and without routing metadata', async () => { + const home = await tempDir('skill-install-render') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + await ctx.skills.list() + + expect(await readFile(join(home, '.dsh/skills/.system/dsh-plugin-creator/SKILL.md'), 'utf8')).not.toContain('whenToUse:') + expect(await readFile(join(home, '.dsh/skills/.system/dsh-skill-creator/SKILL.md'), 'utf8')).toContain('whenToUse:') + }) + it('degrades when bundled system skill installation fails', async () => { const home = await tempDir('skill-install-fail') await writeFile(join(home, '.dsh'), 'not a directory') @@ -243,6 +290,29 @@ describe('SkillService', () => { expect((await ctx.skills.get('long-skill'))?.description).toBe(longDescription) }) + it('escapes prompt listing text fields without changing stored skill content', async () => { + const home = await tempDir('skill-prompt-escape') + const root = join(home, '.dsh/skills') + await mkdir(root, { recursive: true }) + await writeFile(join(root, 'escaped-skill.md'), [ + '---', + 'name: escaped-skill', + 'description: Use safely', + 'whenToUse: Handle & marker', + '---', + 'Full body.', + ].join('\n')) + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const listing = await ctx.skills.renderModelListing() + expect(listing).toContain('description: Use </available_skills><oops> safely') + expect(listing).toContain('whenToUse: Handle <tag> & marker') + expect(listing).not.toContain('description: Use safely') + expect((await ctx.skills.get('escaped-skill'))?.description).toBe('Use safely') + }) + it('adds skill guidance through the agent/request waterfall without including bodies', async () => { const home = await tempDir('skill-guidance') await writeSkill(join(home, '.dsh/skills'), 'research-helper', 'Research helper', 'Long body that must not be listed.') @@ -301,6 +371,31 @@ describe('SkillService', () => { expect(await ctx.skills.list()).toEqual([]) }) + it('bounds discovery cache entries across many project roots', async () => { + const home = await tempDir('skill-cache-bound-home') + const projects = await Promise.all(Array.from({ length: 129 }, async (_, index) => { + const project = await tempDir(`skill-cache-bound-project-${index}`) + await mkdir(join(project, '.git'), { recursive: true }) + await writeSkill(join(project, '.dsh/skills'), `project-${index}`, `Project ${index}`) + return project + })) + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const firstProject = projects[0] + if (firstProject === undefined) throw new Error('expected at least one project') + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['project-0']) + await writeSkill(join(firstProject, '.dsh/skills'), 'late-project-0', 'Late project 0') + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['project-0']) + + for (const project of projects.slice(1)) { + await ctx.skills.list({ cwd: project }) + } + + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['late-project-0', 'project-0']) + }) + it('removes runtime registered skills when the returned disposer is called', async () => { const home = await tempDir('skill-runtime-disposer') const ctx = new Context() From dafb81be7bf6dd2e60374838d61425a251787e42 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 5 Jul 2026 11:35:39 +0800 Subject: [PATCH 05/90] subagent: implement structured output for in-process backends MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The seam vocabulary (SubagentStartRequest.outputSchema, SubagentResult .structured) existed but no in-process backend honored it — spawn/fork advertised outputSchema: false. This lands the missing half: - dsh-tools gains a structured-output JSON Schema subset (json-schema.ts): StructuredOutputSchema, assertSupportedOutputSchema (rejects loud outside the enforced subset, every violation listed), validateStructuredValue (path-qualified issues, total). outputSchema's seam type becomes this raw JSON-Schema subset instead of the author-facing SchemaSpec DSL — the schema travels verbatim to the model as a forced tool's parameters. - dsh-subagent-inprocess gains the shared structured runtime: one global structured_output capture tool (placeholder parameters) + a prepend:true agent/request listener doing FINAL-REQUEST enforcement (strip for plain agents, per-run schema for structured children — survives downstream request-replacing listeners) + an agent/turn-continuation veto that stops a child's turn once captured (no wasted extra model step). Lifetime is refcounted by backends (plugin lifetime) AND live runs (start→settle). - startInProcessRun drives the capture: subset asserted before the child exists, instruction appended to the child's system prompt, clean-finish nudge loop (structuredNudgeRetries, backend Config, default 1), captured value on result.structured; a clean finish without a capture settles 'error' (never a silent success with a missing field). - spawn + fork flip outputSchema: true and inject 'tools'. --- docs/cordis-catalog/events.md | 6 +- docs/cordis-catalog/services.md | 2 +- docs/core-data-structures/subagent.md | 4 +- docs/module-graph.md | 3 +- packages/core/tools/README.md | 6 + packages/core/tools/src/index.ts | 10 + packages/core/tools/src/json-schema.ts | 322 ++++++++++++++ packages/core/tools/tests/json-schema.spec.ts | 254 +++++++++++ packages/subagent/subagent-fork/README.md | 3 +- packages/subagent/subagent-fork/src/index.ts | 35 +- .../tests/multi-subagent.spec.ts | 4 +- .../subagent-fork/tests/subagent-fork.spec.ts | 16 +- .../subagent/subagent-inprocess/README.md | 21 +- .../subagent/subagent-inprocess/package.json | 1 + .../subagent/subagent-inprocess/src/index.ts | 92 +++- .../subagent-inprocess/src/structured.ts | 193 +++++++++ .../tests/structured.spec.ts | 393 ++++++++++++++++++ .../tests/subagent-inprocess.spec.ts | 6 +- .../subagent/subagent-inprocess/tsconfig.json | 3 + packages/subagent/subagent-spawn/README.md | 5 +- packages/subagent/subagent-spawn/src/index.ts | 48 ++- .../subagent/subagent-spawn/tests/harness.ts | 2 +- .../tests/subagent-spawn.spec.ts | 16 +- packages/subagent/subagent/src/types.ts | 14 +- .../subagent/subagent/tests/service.spec.ts | 4 +- .../subagent-mock/tests/subagent-mock.spec.ts | 4 +- 26 files changed, 1402 insertions(+), 65 deletions(-) create mode 100644 packages/core/tools/src/json-schema.ts create mode 100644 packages/core/tools/tests/json-schema.spec.ts create mode 100644 packages/subagent/subagent-inprocess/src/structured.ts create mode 100644 packages/subagent/subagent-inprocess/tests/structured.spec.ts diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 5fbcecc4eb..c85b459069 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -287,7 +287,7 @@ A tool was registered or unregistered (the available tool set changed). 'tools/change'(): void ``` -Source: [`packages/core/tools/src/index.ts:87`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:97`](../../packages/core/tools/src/index.ts) ### `tools/post-execute` — waterfall @@ -299,7 +299,7 @@ Waterfall AFTER a tool runs — where hook plugins inspect the result and accept Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:82`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:92`](../../packages/core/tools/src/index.ts) ### `tools/pre-execute` — waterfall @@ -311,7 +311,7 @@ Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook pl Types: [ToolExecution](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:66`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:76`](../../packages/core/tools/src/index.ts) ## Inherited events (cordis core + loader/hmr/timer) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 0e1833fd9f..951e182000 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -203,7 +203,7 @@ async execute(exec: ToolExecution): Promise Types: [ToolDefinition](../core-data-structures/tools.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:268`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:278`](../../packages/core/tools/src/index.ts) ## `ctx.web` — `WebService` diff --git a/docs/core-data-structures/subagent.md b/docs/core-data-structures/subagent.md index 32b5224773..8747f76566 100644 --- a/docs/core-data-structures/subagent.md +++ b/docs/core-data-structures/subagent.md @@ -20,7 +20,7 @@ interface SubagentCapabilities { ## The start request -What a caller asks for when starting a subagent. The tool layer builds this from the model's `{ description, prompt }` plus its own config; the service validates the start-time capabilities against the named provider, then passes it to `provider.start`. `parent` is REQUIRED — in-process backends read `parent.session.header` for the working directory, the `parentSession` lineage, and the delegation depth. The three optional fields (`outputSchema`, `maxDepth`, `toolFilter`) each gate on the matching `SubagentCapabilities` flag. +What a caller asks for when starting a subagent. The tool layer builds this from the model's `{ description, prompt }` plus its own config; the service validates the start-time capabilities against the named provider, then passes it to `provider.start`. `parent` is REQUIRED — in-process backends read `parent.session.header` for the working directory, the `parentSession` lineage, and the delegation depth. The three optional fields (`outputSchema`, `maxDepth`, `toolFilter`) each gate on the matching `SubagentCapabilities` flag. `outputSchema` is an object-rooted JSON Schema within the subset `assertSupportedOutputSchema` (dsh-tools) enforces — a schema outside it is rejected loud at start; the in-process backends realize it with a forced `structured_output` capture tool (see the [driver README](../../packages/subagent/subagent-inprocess/README.md)). ```ts type-equiv interface SubagentStartRequest { @@ -28,7 +28,7 @@ interface SubagentStartRequest { parent: Agent signal?: AbortSignal agentOptions?: AgentOptions - outputSchema?: SchemaSpec + outputSchema?: StructuredOutputSchema maxDepth?: number toolFilter?: { allow?: string[]; deny?: string[] } } diff --git a/docs/module-graph.md b/docs/module-graph.md index 50ef532fa4..e8f1edfaa5 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -104,6 +104,7 @@ graph TD subagent-inprocess --> llm subagent-inprocess --> session subagent-inprocess --> subagent + subagent-inprocess --> tools subagent-mock --> agent subagent-mock --> llm subagent-mock --> subagent @@ -169,7 +170,7 @@ graph TD | `agent-core` | `agent`, `agent-loop`, `invariants`, `llm`, `session`, `system-prompt`, `tool-bash`, `tools` | | `hooks-claude` | `agent`, `hook-protocol`, `llm`, `session`, `subagent`, `tools` | | `subagent-acp` | `agent`, `llm`, `subagent` | -| `subagent-inprocess` | `agent`, `llm`, `session`, `subagent` | +| `subagent-inprocess` | `agent`, `llm`, `session`, `subagent`, `tools` | | `subagent-mock` | `agent`, `llm`, `subagent` | | `tool-subagent` | `agent`, `llm`, `subagent`, `tools` | | `acp-agent` | `acp`, `agent-core`, `app-boot`, `session-persistence-jsonl` | diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md index 65039aea58..d43f24e123 100644 --- a/packages/core/tools/README.md +++ b/packages/core/tools/README.md @@ -71,6 +71,12 @@ A `defineTool` tool also **validates the model-generated arguments against its ` See `defineTool`, `validateArgs`, `ToolArgsError`, `SchemaSpec`, `InferArgs`, and `schemaSpecToJsonSchema` in the public API for details. +### Structured-output schema subset + +A separate vocabulary for callers that DEMAND a machine-readable value from an agent — the subagent seam's `SubagentStartRequest.outputSchema` (and, by extension, a workflow's `agent({ schema })`). Unlike `SchemaSpec` (the author-facing DSL for tool parameters), a `StructuredOutputSchema` is an object-rooted **raw JSON Schema subset** as data: it travels verbatim to the model as a forced tool's `parameters`, and the produced value is validated against it. + +The subset is deliberately narrow and REJECTS LOUD outside it — accepting a keyword the validator doesn't enforce would validate less than the schema promises (accepted-then-ignored). Supported: single-string `type` (`object`/`array`/`string`/`number`/`integer`/`boolean`/`null`; type arrays rejected), `properties`/`required`/`additionalProperties` (boolean; every `required` key must be declared), `items`, scalar-only `enum`/`const`; annotations (`description`/`title`/`default`/`examples`) are ignored but must still be JSON data. `assertSupportedOutputSchema(schema)` throws `OutputSchemaError` (`code: 'UNSUPPORTED_SCHEMA'`, listing every violation) for anything else; `validateStructuredValue(schema, value)` returns path-qualified violations (empty = valid, total — never throws). + ### Tool-owned UI presentation A tool owns how ITS calls render in a UI (an editor's tool-call card, a CLI log line) — a UI plugin must NOT special-case tool names. A `ToolDefinition` may declare two optional, pure, display-only methods that return a **`card`-tagged render intent** (a discriminated union — a tool declares its card kind once and a UI bridge switches on `card`): diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts index dd0ed918db..39dafd6f1a 100644 --- a/packages/core/tools/src/index.ts +++ b/packages/core/tools/src/index.ts @@ -28,6 +28,16 @@ export { type JsonSchemaObject, } from './schema.ts' +export { + assertSupportedOutputSchema, + validateStructuredValue, + OutputSchemaError, + type StructuredOutputSchema, + type StructuredSchemaNode, + type StructuredSchemaType, + type StructuredScalar, +} from './json-schema.ts' + // The render-intent vocabulary a tool declares via `presentCall`/`presentResult` // lives in its own UI-facing module; re-export it so `@deepseek-ai/dsh-tools` // stays the single public surface for consumers (producers + the ACP bridge). diff --git a/packages/core/tools/src/json-schema.ts b/packages/core/tools/src/json-schema.ts new file mode 100644 index 0000000000..35eeb240a4 --- /dev/null +++ b/packages/core/tools/src/json-schema.ts @@ -0,0 +1,322 @@ +/** + * Structured-output JSON Schema subset: the vocabulary a caller uses to demand + * a machine-readable result from a subagent (`SubagentStartRequest.outputSchema`) + * or a workflow `agent()` call. + * + * This is deliberately NOT full JSON Schema. The schema travels verbatim to the + * model as a forced tool's `parameters`, and the value the model produces is + * validated here — so every accepted keyword must be one this module actually + * enforces. Accepting a keyword we don't enforce would validate less than the + * schema promises (accepted-then-ignored), so anything outside the subset is + * REJECTED LOUD by {@link assertSupportedOutputSchema} instead. The subset: + * + * - `type` — a single string (`object`/`array`/`string`/`number`/`integer`/ + * `boolean`/`null`); type ARRAYS (`["string","null"]`) are rejected. + * - `properties`/`required`/`additionalProperties` (boolean) on objects; every + * `required` key must be declared in `properties`. `additionalProperties` + * absent keeps standard JSON Schema semantics (extra keys allowed). + * - `items` on arrays (absent ⇒ any JSON items). + * - `enum` (non-empty, scalars only) and `const` (scalar) on scalar types. + * - Annotations `description`/`title`/`default`/`examples` are allowed and + * ignored (they constrain nothing), except that they must still be JSON data + * — the schema is serialized onto the wire, so a non-JSON annotation would be + * silently mangled. + * + * Values checked by {@link validateStructuredValue} are expected to be plain + * host-realm JSON data (model tool-call arguments are parsed wire JSON; a + * caller holding foreign-realm data materializes it first). + * + * @module dsh-tools/json-schema + */ + +import { assertNever, HarnessError } from '@deepseek-ai/dsh-llm' + +/** The scalar values `enum`/`const` may carry (finite numbers only). */ +export type StructuredScalar = string | number | boolean | null + +/** The `type` keywords the subset accepts. */ +export type StructuredSchemaType = 'object' | 'array' | 'string' | 'number' | 'integer' | 'boolean' | 'null' + +/** + * One node of the structured-output schema subset. Recursive via `properties` + * and `items`; see the module doc for the exact keyword semantics. + */ +export interface StructuredSchemaNode { + type: StructuredSchemaType + /** Nested property schemas (`type: 'object'` only). */ + properties?: Record + /** Required property names; each must appear in `properties`. */ + required?: string[] + /** `false` rejects undeclared keys; absent/`true` allows them (JSON Schema default). */ + additionalProperties?: boolean + /** Item schema (`type: 'array'` only); absent ⇒ any JSON items. */ + items?: StructuredSchemaNode + /** Allowed values (scalar types only). */ + enum?: StructuredScalar[] + /** The single allowed value (scalar types only). */ + const?: StructuredScalar + /** Annotation, ignored for validation. */ + description?: string + /** Annotation, ignored for validation. */ + title?: string + /** Annotation, ignored for validation (must still be JSON data). */ + default?: unknown + /** Annotation, ignored for validation (must still be JSON data). */ + examples?: unknown +} + +/** A structured-output schema: an OBJECT-rooted {@link StructuredSchemaNode}. */ +export type StructuredOutputSchema = StructuredSchemaNode & { type: 'object' } + +/** + * Thrown by {@link assertSupportedOutputSchema} when a schema falls outside the + * supported subset. Extends {@link HarnessError} (`code: 'UNSUPPORTED_SCHEMA'`) + * so seam code and tool results can route on it; `violations` lists every + * offending path, not just the first. + */ +export class OutputSchemaError extends HarnessError { + /** The individual violation messages, in walk order. */ + readonly violations: string[] + + constructor(violations: string[]) { + super(`unsupported output schema: ${violations.join('; ')}`, 'UNSUPPORTED_SCHEMA') + this.name = 'OutputSchemaError' + this.violations = violations + } +} + +/** The keywords the subset accepts, checked (`constraint`) or ignored (`annotation`). */ +const CONSTRAINT_KEYWORDS = new Set(['type', 'properties', 'required', 'additionalProperties', 'items', 'enum', 'const']) +const ANNOTATION_KEYWORDS = new Set(['description', 'title', 'default', 'examples']) + +const SCHEMA_TYPES: readonly StructuredSchemaType[] = ['object', 'array', 'string', 'number', 'integer', 'boolean', 'null'] + +/** Whether a value is a non-null, non-array object (structural, realm-agnostic). */ +function isObjectLike(value: unknown): value is Record { + return typeof value === 'object' && value !== null && !Array.isArray(value) +} + +/** Whether a value is a supported scalar (`enum`/`const` member): string, finite number, boolean, or null. */ +function isStructuredScalar(value: unknown): value is StructuredScalar { + return value === null || typeof value === 'string' || typeof value === 'boolean' + || (typeof value === 'number' && Number.isFinite(value)) +} + +/** + * Whether a value is JSON data (annotation payloads only): scalars, arrays, and + * object-likes of such values. Realm-agnostic on purpose (no prototype check) — + * the schema may have been materialized from another realm; structural JSON-ness + * is what the wire needs. Cycles are rejected via `seen`. + */ +function isJsonData(value: unknown, seen: Set): boolean { + if (isStructuredScalar(value)) return true + // The scalar check above already returned for null, so `object` here is a real object. + if (typeof value !== 'object') return false + if (seen.has(value)) return false + seen.add(value) + try { + if (Array.isArray(value)) return value.every(entry => isJsonData(entry, seen)) + return Object.values(value).every(entry => isJsonData(entry, seen)) + } finally { + seen.delete(value) + } +} + +/** Collect subset violations for one schema node (recursive walk). */ +function checkSchemaNode(node: unknown, path: string, violations: string[], seen: Set): void { + if (!isObjectLike(node)) { + violations.push(`${path} must be a schema object`) + return + } + if (seen.has(node)) { + violations.push(`${path} is circular`) + return + } + seen.add(node) + + for (const key of Object.keys(node)) { + if (CONSTRAINT_KEYWORDS.has(key)) continue + if (ANNOTATION_KEYWORDS.has(key)) { + if (!isJsonData(node[key], new Set())) violations.push(`${path}.${key} annotation must be JSON data`) + continue + } + violations.push(`${path}.${key} is not a supported keyword (subset: type/properties/required/additionalProperties/items/enum/const + annotations)`) + } + if (typeof node.description !== 'undefined' && typeof node.description !== 'string') { + violations.push(`${path}.description must be a string`) + } + if (typeof node.title !== 'undefined' && typeof node.title !== 'string') { + violations.push(`${path}.title must be a string`) + } + + const type = node.type + if (typeof type !== 'string' || !(SCHEMA_TYPES as readonly unknown[]).includes(type)) { + violations.push(Array.isArray(type) + ? `${path}.type must be a single type string (type arrays are not supported)` + : `${path}.type must be one of ${SCHEMA_TYPES.join('/')}`) + seen.delete(node) + return + } + const schemaType = type as StructuredSchemaType + + // Keywords that only make sense on one type are rejected elsewhere — an + // `items` on an object (or `properties` on a string) is a schema-author bug + // the subset surfaces rather than ignores. + const allowedFor: Record = { + properties: ['object'], + required: ['object'], + additionalProperties: ['object'], + items: ['array'], + enum: ['string', 'number', 'integer', 'boolean', 'null'], + const: ['string', 'number', 'integer', 'boolean', 'null'], + } + for (const [key, types] of Object.entries(allowedFor)) { + if (key in node && !types.includes(schemaType)) { + violations.push(`${path}.${key} is not supported on type "${schemaType}"`) + } + } + + switch (schemaType) { + case 'object': { + const properties = node.properties + if (properties !== undefined) { + if (!isObjectLike(properties)) { + violations.push(`${path}.properties must be an object of schemas`) + } else { + for (const [key, child] of Object.entries(properties)) { + checkSchemaNode(child, `${path}.properties.${key}`, violations, seen) + } + } + } + const required = node.required + if (required !== undefined) { + if (!Array.isArray(required) || required.some(entry => typeof entry !== 'string')) { + violations.push(`${path}.required must be an array of strings`) + } else { + const declared = isObjectLike(properties) ? properties : {} + for (const key of required) { + if (!(key in declared)) violations.push(`${path}.required names "${key}" which is not in properties`) + } + } + } + if (node.additionalProperties !== undefined && typeof node.additionalProperties !== 'boolean') { + violations.push(`${path}.additionalProperties must be a boolean`) + } + break + } + case 'array': { + if (node.items !== undefined) checkSchemaNode(node.items, `${path}.items`, violations, seen) + break + } + case 'string': + case 'number': + case 'integer': + case 'boolean': + case 'null': { + const allowed = node.enum + if (allowed !== undefined) { + if (!Array.isArray(allowed) || allowed.length === 0 || !allowed.every(entry => isStructuredScalar(entry))) { + violations.push(`${path}.enum must be a non-empty array of scalars`) + } + } + if ('const' in node && !isStructuredScalar(node.const)) { + violations.push(`${path}.const must be a scalar`) + } + break + } + /* v8 ignore start -- defensive: schemaType was membership-checked against SCHEMA_TYPES above, so no runtime value reaches here */ + default: + assertNever(schemaType, 'assertSupportedOutputSchema') + /* v8 ignore stop */ + } + + seen.delete(node) +} + +/** + * Assert `schema` is a supported {@link StructuredOutputSchema} — object-rooted + * and entirely within the enforced subset. Throws {@link OutputSchemaError} + * (`UNSUPPORTED_SCHEMA`) listing EVERY violation; returns (and narrows) on + * success. Call this at the seam boundary, before any child is created. + * @param schema - the caller-supplied schema (unknown until asserted). + */ +export function assertSupportedOutputSchema(schema: unknown): asserts schema is StructuredOutputSchema { + const violations: string[] = [] + checkSchemaNode(schema, 'schema', violations, new Set()) + if (violations.length === 0 && (schema as StructuredSchemaNode).type !== 'object') { + violations.push('schema.type must be "object" (structured output is object-rooted)') + } + if (violations.length > 0) throw new OutputSchemaError(violations) +} + +/** Collect violations for one value against an (already asserted) schema node. */ +function checkValue(node: StructuredSchemaNode, value: unknown, path: string): string[] { + switch (node.type) { + case 'object': { + if (!isObjectLike(value)) return [`"${path}" must be an object`] + const violations: string[] = [] + const properties = node.properties ?? {} + for (const key of node.required ?? []) { + if (value[key] === undefined) violations.push(`missing required property "${path}.${key}"`) + } + for (const [key, child] of Object.entries(properties)) { + if (value[key] === undefined) continue + violations.push(...checkValue(child, value[key], `${path}.${key}`)) + } + if (node.additionalProperties === false) { + for (const key of Object.keys(value)) { + if (!(key in properties)) violations.push(`"${path}.${key}" is not a declared property (additionalProperties: false)`) + } + } + return violations + } + case 'array': { + if (!Array.isArray(value)) return [`"${path}" must be an array`] + if (!node.items) return [] + const items = node.items + return value.flatMap((entry, index) => checkValue(items, entry, `${path}[${index}]`)) + } + case 'string': { + if (typeof value !== 'string') return [`"${path}" must be a string`] + break + } + case 'number': { + if (typeof value !== 'number' || !Number.isFinite(value)) return [`"${path}" must be a finite number`] + break + } + case 'integer': { + if (typeof value !== 'number' || !Number.isInteger(value)) return [`"${path}" must be an integer`] + break + } + case 'boolean': { + if (typeof value !== 'boolean') return [`"${path}" must be a boolean`] + break + } + case 'null': { + if (value !== null) return [`"${path}" must be null`] + break + } + default: + return assertNever(node.type, 'validateStructuredValue') + } + // Scalar constraint checks, shared by every scalar branch above. + if (node.enum && !node.enum.includes(value)) { + return [`"${path}" must be one of ${JSON.stringify(node.enum)}`] + } + if ('const' in node && value !== node.const) { + return [`"${path}" must be ${JSON.stringify(node.const)}`] + } + return [] +} + +/** + * Validate a value against an (already {@link assertSupportedOutputSchema}- + * asserted) schema. Returns human-readable, path-qualified violation messages + * — empty means valid. Total: never throws, however malformed the value. + * @param schema - the asserted schema to check against. + * @param value - the candidate value (e.g. parsed tool-call arguments). + * @returns every violation found, in walk order (empty = valid). + */ +export function validateStructuredValue(schema: StructuredOutputSchema, value: unknown): string[] { + return checkValue(schema, value, 'value') +} diff --git a/packages/core/tools/tests/json-schema.spec.ts b/packages/core/tools/tests/json-schema.spec.ts new file mode 100644 index 0000000000..e7635b06f3 --- /dev/null +++ b/packages/core/tools/tests/json-schema.spec.ts @@ -0,0 +1,254 @@ +import { describe, expect, it } from 'vitest' +import { + assertSupportedOutputSchema, + OutputSchemaError, + validateStructuredValue, + type StructuredOutputSchema, +} from '../src/json-schema.ts' + +/** Assert-and-narrow helper: the asserted schema, typed. */ +function asserted(schema: unknown): StructuredOutputSchema { + assertSupportedOutputSchema(schema) + return schema +} + +/** The violations OutputSchemaError carries for a bad schema (throws if it passes). */ +function violationsOf(schema: unknown): string[] { + try { + assertSupportedOutputSchema(schema) + } catch (error: unknown) { + if (error instanceof OutputSchemaError) return error.violations + throw error + } + throw new Error('expected the schema to be rejected') +} + +describe('assertSupportedOutputSchema', () => { + it('accepts a representative subset schema (all supported keywords)', () => { + const schema = asserted({ + type: 'object', + description: 'a finding', + title: 'Finding', + properties: { + file: { type: 'string', description: 'path' }, + line: { type: 'integer' }, + severity: { type: 'string', enum: ['low', 'high'] }, + kind: { type: 'string', const: 'bug' }, + score: { type: 'number' }, + confirmed: { type: 'boolean' }, + parent: { type: 'null' }, + tags: { type: 'array', items: { type: 'string' } }, + nested: { + type: 'object', + properties: { x: { type: 'number', default: 3, examples: [1, 2] } }, + additionalProperties: false, + }, + anything: { type: 'array' }, + }, + required: ['file', 'line'], + additionalProperties: true, + }) + expect(schema.type).toBe('object') + }) + + it('rejects a non-object root (scalar/array-rooted schemas)', () => { + expect(violationsOf({ type: 'string' })).toEqual(['schema.type must be "object" (structured output is object-rooted)']) + expect(violationsOf({ type: 'array', items: { type: 'string' } })) + .toContain('schema.type must be "object" (structured output is object-rooted)') + }) + + it('rejects non-object schema nodes and missing/unknown type', () => { + expect(violationsOf('nope')).toEqual(['schema must be a schema object']) + expect(violationsOf(null)).toEqual(['schema must be a schema object']) + expect(violationsOf([])).toEqual(['schema must be a schema object']) + expect(violationsOf({})).toEqual(['schema.type must be one of object/array/string/number/integer/boolean/null']) + expect(violationsOf({ type: 'tuple' })[0]).toMatch(/type must be one of/) + expect(violationsOf({ type: 'object', properties: { a: 'str' } })).toEqual(['schema.properties.a must be a schema object']) + }) + + it('rejects type ARRAYS with a dedicated message', () => { + expect(violationsOf({ type: ['string', 'null'] })) + .toEqual(['schema.type must be a single type string (type arrays are not supported)']) + }) + + it('rejects unsupported constraint keywords loudly (never accepted-then-ignored)', () => { + for (const keyword of ['oneOf', 'anyOf', 'allOf', 'not', 'pattern', 'minimum', 'maxLength', '$ref']) { + const bad = violationsOf({ type: 'object', [keyword]: [] }) + expect(bad.some(v => v.includes(`schema.${keyword} is not a supported keyword`))).toBe(true) + } + }) + + it('reports EVERY violation, not just the first', () => { + const bad = violationsOf({ + type: 'object', + pattern: 'x', + properties: { a: { type: 'weird' }, b: { type: 'string', minimum: 1 } }, + }) + expect(bad.length).toBe(3) + }) + + it('rejects keywords on the wrong type (items on object, properties on string, enum on object)', () => { + expect(violationsOf({ type: 'object', items: { type: 'string' } })) + .toEqual(['schema.items is not supported on type "object"']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', properties: {} } } })) + .toEqual(['schema.properties.a.properties is not supported on type "string"']) + expect(violationsOf({ type: 'object', enum: [1] })) + .toEqual(['schema.enum is not supported on type "object"']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'array', const: 1 } } })) + .toEqual(['schema.properties.a.const is not supported on type "array"']) + }) + + it('validates required: must be string[] naming declared properties', () => { + expect(violationsOf({ type: 'object', required: 'file' })) + .toEqual(['schema.required must be an array of strings']) + expect(violationsOf({ type: 'object', required: [1] })) + .toEqual(['schema.required must be an array of strings']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string' } }, required: ['b'] })) + .toEqual(['schema.required names "b" which is not in properties']) + expect(violationsOf({ type: 'object', required: ['a'] })) + .toEqual(['schema.required names "a" which is not in properties']) + }) + + it('validates additionalProperties must be boolean and enum/const must be scalars', () => { + expect(violationsOf({ type: 'object', additionalProperties: {} })) + .toEqual(['schema.additionalProperties must be a boolean']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', enum: [] } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', enum: [{}] } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', enum: 'x' } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'number', enum: [Number.NaN] } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', const: {} } } })) + .toEqual(['schema.properties.a.const must be a scalar']) + }) + + it('rejects non-string description/title and non-JSON annotation payloads', () => { + expect(violationsOf({ type: 'object', description: 7 })) + .toEqual(['schema.description must be a string']) + expect(violationsOf({ type: 'object', title: 7 })) + .toEqual(['schema.title must be a string']) + expect(violationsOf({ type: 'object', default: () => 1 })) + .toEqual(['schema.default annotation must be JSON data']) + expect(violationsOf({ type: 'object', examples: [undefined] })) + .toEqual(['schema.examples annotation must be JSON data']) + expect(violationsOf({ type: 'object', examples: [Number.POSITIVE_INFINITY] })) + .toEqual(['schema.examples annotation must be JSON data']) + // A cyclic annotation payload is caught by the JSON-data walk. + const cyclicAnnotation: Record = {} + cyclicAnnotation.self = cyclicAnnotation + expect(violationsOf({ type: 'object', default: cyclicAnnotation })) + .toEqual(['schema.default annotation must be JSON data']) + // Object/array annotations that ARE JSON data pass. + asserted({ type: 'object', default: { a: [1, 'x', null, true] } }) + }) + + it('rejects a circular schema instead of recursing forever', () => { + const node: Record = { type: 'object' } + node.properties = { self: node } + expect(violationsOf(node)).toEqual(['schema.properties.self is circular']) + }) + + it('accepts the same subschema object reused in two SIBLING positions (a DAG, not a cycle)', () => { + const leaf = { type: 'string' } + asserted({ type: 'object', properties: { a: leaf, b: leaf } }) + }) +}) + +describe('validateStructuredValue', () => { + const schema = asserted({ + type: 'object', + properties: { + file: { type: 'string' }, + line: { type: 'integer' }, + score: { type: 'number' }, + confirmed: { type: 'boolean' }, + parent: { type: 'null' }, + severity: { type: 'string', enum: ['low', 'high'] }, + kind: { type: 'string', const: 'bug' }, + tags: { type: 'array', items: { type: 'string' } }, + free: { type: 'array' }, + nested: { type: 'object', properties: { x: { type: 'number' } }, required: ['x'], additionalProperties: false }, + }, + required: ['file'], + }) + + it('accepts a fully valid value (empty violations)', () => { + expect(validateStructuredValue(schema, { + file: 'a.ts', line: 3, score: 0.5, confirmed: true, parent: null, + severity: 'high', kind: 'bug', tags: ['x'], free: [1, { any: true }], nested: { x: 1 }, + })).toEqual([]) + }) + + it('reports missing required and wrong root type', () => { + expect(validateStructuredValue(schema, {})).toEqual(['missing required property "value.file"']) + expect(validateStructuredValue(schema, 'nope')).toEqual(['"value" must be an object']) + expect(validateStructuredValue(schema, [])).toEqual(['"value" must be an object']) + }) + + it('type-checks every scalar branch with path-qualified messages', () => { + expect(validateStructuredValue(schema, { file: 1 })).toEqual(['"value.file" must be a string']) + expect(validateStructuredValue(schema, { file: 'a', line: 1.5 })).toEqual(['"value.line" must be an integer']) + expect(validateStructuredValue(schema, { file: 'a', line: 'x' })).toEqual(['"value.line" must be an integer']) + expect(validateStructuredValue(schema, { file: 'a', score: 'x' })).toEqual(['"value.score" must be a finite number']) + expect(validateStructuredValue(schema, { file: 'a', score: Number.NaN })).toEqual(['"value.score" must be a finite number']) + expect(validateStructuredValue(schema, { file: 'a', confirmed: 'yes' })).toEqual(['"value.confirmed" must be a boolean']) + expect(validateStructuredValue(schema, { file: 'a', parent: 0 })).toEqual(['"value.parent" must be null']) + }) + + it('enforces enum membership and const equality', () => { + expect(validateStructuredValue(schema, { file: 'a', severity: 'mid' })) + .toEqual(['"value.severity" must be one of ["low","high"]']) + expect(validateStructuredValue(schema, { file: 'a', kind: 'feature' })) + .toEqual(['"value.kind" must be "bug"']) + }) + + it('checks arrays per index; an items-less array accepts anything', () => { + expect(validateStructuredValue(schema, { file: 'a', tags: 'x' })).toEqual(['"value.tags" must be an array']) + expect(validateStructuredValue(schema, { file: 'a', tags: ['ok', 2] })).toEqual(['"value.tags[1]" must be a string']) + expect(validateStructuredValue(schema, { file: 'a', free: [{ deep: [1] }, null] })).toEqual([]) + }) + + it('recurses into nested objects: required + additionalProperties: false', () => { + expect(validateStructuredValue(schema, { file: 'a', nested: {} })) + .toEqual(['missing required property "value.nested.x"']) + expect(validateStructuredValue(schema, { file: 'a', nested: { x: 1, y: 2 } })) + .toEqual(['"value.nested.y" is not a declared property (additionalProperties: false)']) + expect(validateStructuredValue(schema, { file: 'a', nested: 3 })) + .toEqual(['"value.nested" must be an object']) + }) + + it('a required key present-but-undefined counts as missing', () => { + expect(validateStructuredValue(schema, { file: undefined })).toEqual(['missing required property "value.file"']) + }) + + it('collects multiple violations across branches in one pass', () => { + expect(validateStructuredValue(schema, { line: 'x', severity: 'mid' })).toEqual([ + 'missing required property "value.file"', + '"value.line" must be an integer', + '"value.severity" must be one of ["low","high"]', + ]) + }) + + it('null-typed const/enum work through the scalar path', () => { + const nullish = asserted({ type: 'object', properties: { a: { type: 'null', const: null } } }) + expect(validateStructuredValue(nullish, { a: null })).toEqual([]) + }) + + it('rejects a non-object properties value in the schema walk', () => { + expect(violationsOf({ type: 'object', properties: [] })) + .toEqual(['schema.properties must be an object of schemas']) + }) + + it('an object schema without properties/required only type-checks its value', () => { + const bare = asserted({ type: 'object' }) + expect(validateStructuredValue(bare, { any: ['thing'] })).toEqual([]) + expect(validateStructuredValue(bare, 7)).toEqual(['"value" must be an object']) + }) + + it('validateStructuredValue throws on a type the assert would never let through (assertNever backstop)', () => { + const forged = { type: 'tuple' } as unknown as StructuredOutputSchema + expect(() => validateStructuredValue(forged, 1)).toThrow(/tuple/) + }) +}) diff --git a/packages/subagent/subagent-fork/README.md b/packages/subagent/subagent-fork/README.md index c691d56355..7b43f82261 100644 --- a/packages/subagent/subagent-fork/README.md +++ b/packages/subagent/subagent-fork/README.md @@ -12,12 +12,13 @@ The seam this rides on: `CreateAgentOptions.seed` (added on `dsh-agent`, threade ## Capabilities -`{ outputSchema: false, depthLimit: true, toolFilter: false }` — identical to spawn (the depth/model/output behavior is the shared driver's). +`{ outputSchema: true, depthLimit: true, toolFilter: false }` — identical to spawn (the depth/model/structured-output behavior is the shared driver's). ## Config | Key | Meaning | |---|---| | `providerName` | Registry name on `ctx.subagents` (default `fork`). | +| `structuredNudgeRetries` | How many times a structured run re-prompts a child that finished cleanly without calling `structured_output` (default 1). | See [`dsh-subagent-spawn`](../subagent-spawn/README.md) for the run lifecycle, model inheritance, and depth tracking — all shared. diff --git a/packages/subagent/subagent-fork/src/index.ts b/packages/subagent/subagent-fork/src/index.ts index 02c1811d82..39dfbfd440 100644 --- a/packages/subagent/subagent-fork/src/index.ts +++ b/packages/subagent/subagent-fork/src/index.ts @@ -25,19 +25,25 @@ import z from 'schemastery' import type { SessionEvent } from '@deepseek-ai/dsh-session' import type { Agent } from '@deepseek-ai/dsh-agent' import type { SubagentCapabilities, SubagentProvider, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' -import { startInProcessRun } from '@deepseek-ai/dsh-subagent-inprocess' +import { acquireStructuredRuntime, startInProcessRun } from '@deepseek-ai/dsh-subagent-inprocess' export const name = 'subagent-fork' -export const inject = ['subagents', 'agents'] +export const inject = ['subagents', 'agents', 'tools'] -/** Config: the registry name to register the provider under. */ +/** Config: the registry name to register the provider under, plus structured-run tuning. */ export interface Config { /** Provider name on `ctx.subagents` (default `fork`). */ providerName: string + /** + * How many times a structured run re-prompts a child that finished cleanly + * without calling `structured_output` before giving up (default 1). + */ + structuredNudgeRetries: number } export const Config: z = z.object({ providerName: z.string().default('fork'), + structuredNudgeRetries: z.natural().default(1), }) /** @@ -57,18 +63,24 @@ export function completedTurnPrefix(parent: Agent): SessionEvent[] { } /** - * The fork provider. Supports `depthLimit`; NOT `outputSchema`/`toolFilter` this - * cut (the service rejects a request needing either before `start` runs). + * The fork provider. Supports `depthLimit` and `outputSchema` (via the shared + * in-process structured runtime); NOT `toolFilter` this cut (the service + * rejects a request needing it before `start` runs). */ class ForkProvider implements SubagentProvider { - readonly capabilities: SubagentCapabilities = { outputSchema: false, depthLimit: true, toolFilter: false } + readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: false } - constructor(readonly name: string, private readonly ctx: Context) {} + constructor( + readonly name: string, + private readonly ctx: Context, + private readonly structuredNudgeRetries: number, + ) {} start(request: SubagentStartRequest) { const seed = completedTurnPrefix(request.parent) return startInProcessRun(this.ctx, request, { providerName: this.name, + structuredNudgeRetries: this.structuredNudgeRetries, // Only pass a seed when there's a completed turn to inherit; an empty seed // is equivalent to a fresh child, so omit it to keep the session unseeded. ...seed.length > 0 ? { seed } : {}, @@ -77,5 +89,12 @@ class ForkProvider implements SubagentProvider { } export function apply(ctx: Context, config: Config): void { - ctx.subagents.registerProvider(new ForkProvider(config.providerName, ctx)) + // Hold the structured runtime for the plugin's lifetime (see the spawn + // backend — same two-level lifetime: backends for availability, runs for + // mid-run survival across a backend unload). + ctx.effect(() => { + const acquisition = acquireStructuredRuntime(ctx) + return () => { acquisition.release() } + }, 'subagent-fork structured runtime') + ctx.subagents.registerProvider(new ForkProvider(config.providerName, ctx, config.structuredNudgeRetries)) } diff --git a/packages/subagent/subagent-fork/tests/multi-subagent.spec.ts b/packages/subagent/subagent-fork/tests/multi-subagent.spec.ts index 1f932fbaf9..82caf25948 100644 --- a/packages/subagent/subagent-fork/tests/multi-subagent.spec.ts +++ b/packages/subagent/subagent-fork/tests/multi-subagent.spec.ts @@ -30,8 +30,8 @@ async function setup(script: Script) { await ctx.plugin(Invariants) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(SubagentService) - await ctx.plugin(Spawn, { providerName: 'spawn' }) - await ctx.plugin(fork, { providerName: 'fork' }) + await ctx.plugin(Spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) + await ctx.plugin(fork, { providerName: 'fork', structuredNudgeRetries: 1 }) ctx.llm.registerAdapter(['mock'], new MockAdapter(script)) const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) return { ctx, parent } diff --git a/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts b/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts index 56441a656f..4abba075c3 100644 --- a/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts +++ b/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts @@ -37,7 +37,7 @@ async function setup(script: Script) { await ctx.plugin(Invariants) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(SubagentService) - await ctx.plugin(fork, { providerName: 'fork' }) + await ctx.plugin(fork, { providerName: 'fork', structuredNudgeRetries: 1 }) ctx.llm.registerAdapter(['mock'], new MockAdapter(script)) const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) return { ctx, parent } @@ -161,16 +161,20 @@ describe('dsh-subagent-fork', () => { await run.dispose() }) - it('advertises depthLimit but not outputSchema/toolFilter', async () => { + it('advertises depthLimit and outputSchema but not toolFilter', async () => { const { ctx } = await setup([]) - expect(ctx.subagents.getProvider('fork')!.capabilities).toEqual({ outputSchema: false, depthLimit: true, toolFilter: false }) + expect(ctx.subagents.getProvider('fork')!.capabilities).toEqual({ outputSchema: true, depthLimit: true, toolFilter: false }) }) it('unregisters the provider when its fiber is disposed (HMR safety)', async () => { const ctx = new Context() await ctx.plugin(SubagentService) await ctx.plugin(AgentRegistry) - const fiber = await ctx.plugin(fork, { providerName: 'fork' }) + // The backend injects 'tools' for the structured runtime, so the registry + // (and its systemPrompt dependency) must be live for the fiber to activate. + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const fiber = await ctx.plugin(fork, { providerName: 'fork', structuredNudgeRetries: 1 }) expect(ctx.subagents.list()).toEqual(['fork']) await fiber.dispose() expect(ctx.subagents.list()).toEqual([]) @@ -179,12 +183,12 @@ describe('dsh-subagent-fork', () => { it('has the namespace-plugin export shape (no stray default)', () => { expect('default' in fork).toBe(false) expect(fork.name).toBe('subagent-fork') - expect(fork.inject).toEqual(['subagents', 'agents']) + expect(fork.inject).toEqual(['subagents', 'agents', 'tools']) const loader = Object.create(Loader.prototype) as Loader const unwrapped = loader.unwrapExports(fork) as Record expect(unwrapped).toBe(fork) expect(unwrapped.name).toBe('subagent-fork') - expect(unwrapped.inject).toEqual(['subagents', 'agents']) + expect(unwrapped.inject).toEqual(['subagents', 'agents', 'tools']) expect(typeof unwrapped.apply).toBe('function') }) }) diff --git a/packages/subagent/subagent-inprocess/README.md b/packages/subagent/subagent-inprocess/README.md index af6d5792a9..1cbdccaee6 100644 --- a/packages/subagent/subagent-inprocess/README.md +++ b/packages/subagent/subagent-inprocess/README.md @@ -8,16 +8,27 @@ The shared **in-process subagent run driver**. A pure library (no provider, no r Runs a child as a child [`Agent`](../../core/agent) on the same cordis context (`ctx.agents`): -1. computes child depth = `depthOf(parent) + 1`; if `request.maxDepth` is set and exceeded, throws `SubagentDepthError` (the `depthLimit` capability); -2. creates a child via `ctx.agents.create` with a fresh `AgentId`/`SessionId`, the parent's `cwd` + `parentSession` lineage, the optional `options.seed` (fork's completed-turn prefix; omitted for a fresh child), and `agentOptions` (the child inherits the **parent's model** by default — a child with no model can't run — overridable via `request.agentOptions.model`; the system prompt is NOT inherited); -3. drives the one-shot: `child.send(prompt)` then `await child.whenIdle()` (ordering matters — `send` enqueues synchronously, so `whenIdle` observes the queued work and resolves on the child's `running → idle` transition, never before the turn starts); -4. reads the result, scoped to the child's OWN events (everything at or after `seedLength`, so a seeded child that produced no message of its own never returns the seeded parent's last message): the last `assistant/message` content (deep-cloned — the log is frozen) and the last `turn/end.reason` mapped to a `SubagentStopReason`. +1. computes child depth = `depthOf(parent) + 1`; if `request.maxDepth` is set and exceeded, throws `SubagentDepthError` (the `depthLimit` capability); a `request.outputSchema` is asserted against the supported subset (`assertSupportedOutputSchema` from [dsh-tools](../../core/tools/README.md)) before any child exists; +2. creates a child via `ctx.agents.create` with a fresh `AgentId`/`SessionId`, the parent's `cwd` + `parentSession` lineage, the optional `options.seed` (fork's completed-turn prefix; omitted for a fresh child), and `agentOptions` (the child inherits the **parent's model** by default — a child with no model can't run — overridable via `request.agentOptions.model`; the system prompt is NOT inherited; a structured run appends the `structured_output` instruction after the caller's prompt); +3. drives the one-shot: `child.send(prompt)` then `await child.whenIdle()` (ordering matters — `send` enqueues synchronously, so `whenIdle` observes the queued work and resolves on the child's `running → idle` transition, never before the turn starts); a structured child that finished a turn CLEANLY without calling `structured_output` is re-prompted (a nudge — a fresh turn) up to `options.structuredNudgeRetries` times; +4. reads the result, scoped to the child's OWN events (everything at or after `seedLength`, so a seeded child that produced no message of its own never returns the seeded parent's last message): the last `assistant/message` content (deep-cloned — the log is frozen) and the last `turn/end.reason` mapped to a `SubagentStopReason`. A structured run surfaces the captured value as `result.structured`; a structured child that finished cleanly WITHOUT ever capturing settles `error` (a clean finish without the demanded result is a failure, not a success with a missing field). `dispose()` delegates to `AgentHandle.dispose()` (stop loop → await quiescence → remove session); `cancel()` cancels the child's in-flight turn. A cancel landing before any `turn/end` (the pre-turn window) still settles `aborted`, honoring the cancel contract rather than the generic no-turn `error`. ### `InProcessRunOptions` -`{ providerName: string; seed?: SessionEvent[] }` — the per-backend inputs: the provider name (for error context) and the optional child-session seed. +`{ providerName: string; seed?: SessionEvent[]; structuredNudgeRetries: number }` — the per-backend inputs: the provider name (for error context), the optional child-session seed, and the structured-run nudge budget (REQUIRED, resolved from the backend's validated Config — the driver never fills it with a hidden default). + +### Structured output: `acquireStructuredRuntime(ctx): StructuredAcquisition` + +The mechanism behind `outputSchema` for in-process children. One globally registered `structured_output` capture tool (its registered parameters are a placeholder) plus two listeners, registered once per root context and shared by every holder: + +- an `agent/request` waterfall listener registered `prepend: true` that post-processes `await next()` — **final-request enforcement**: the request that hits the wire never carries `structured_output` for an agent without a structured run, and always carries the run's OWN schema (as the tool's `parameters`) for one that has it. Per-agent shaping lives here because the tool registry and prompt assembly are context-global while schemas differ per concurrent child; cooperative mutate-then-`next()` would not survive a downstream listener returning a replacement request. +- an `agent/turn-continuation` listener that stops a child's turn once its output is captured, so a successful capture doesn't buy a wasted extra model step. + +The capture tool validates each call against the run's schema (`validateStructuredValue`) — violations become an `INVALID_ARGS` isError result the model retries in-turn; a valid call records the value. + +Lifetime is refcounted with two kinds of holder: each backend acquires for its plugin lifetime (`apply`), and each structured RUN holds its own acquisition from start to settle — so unregistration can never precede a live run's settle, and the runtime disposes only when the last backend AND the last run are gone. `release()` is idempotent per acquisition. ### `depthOf(agent): number` diff --git a/packages/subagent/subagent-inprocess/package.json b/packages/subagent/subagent-inprocess/package.json index f3bd774554..41c46e00d3 100644 --- a/packages/subagent/subagent-inprocess/package.json +++ b/packages/subagent/subagent-inprocess/package.json @@ -26,6 +26,7 @@ "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-subagent": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "devDependencies": { diff --git a/packages/subagent/subagent-inprocess/src/index.ts b/packages/subagent/subagent-inprocess/src/index.ts index 4b8d2d4c99..4293505995 100644 --- a/packages/subagent/subagent-inprocess/src/index.ts +++ b/packages/subagent/subagent-inprocess/src/index.ts @@ -18,7 +18,22 @@ import type { Context } from 'cordis' import { AgentId, type Agent, type AgentHandle, type AgentOptions } from '@deepseek-ai/dsh-agent' import { SessionId, type SessionEvent, type TurnEndReason } from '@deepseek-ai/dsh-session' import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import { assertSupportedOutputSchema } from '@deepseek-ai/dsh-tools' import type { SubagentResult, SubagentRun, SubagentStartRequest, SubagentStopReason } from '@deepseek-ai/dsh-subagent' +import { + acquireStructuredRuntime, + STRUCTURED_OUTPUT_INSTRUCTION, + STRUCTURED_OUTPUT_NUDGE, + type StructuredAcquisition, +} from './structured.ts' + +export { + acquireStructuredRuntime, + STRUCTURED_OUTPUT_TOOL, + STRUCTURED_OUTPUT_INSTRUCTION, + STRUCTURED_OUTPUT_NUDGE, + type StructuredAcquisition, +} from './structured.ts' declare module '@deepseek-ai/dsh-agent' { interface AgentOptions { @@ -76,6 +91,13 @@ export interface InProcessRunOptions { * parent's log (FORK), or `undefined` for a fresh child (SPAWN). */ readonly seed?: SessionEvent[] + /** + * How many times a structured run re-prompts a child that finished a turn + * cleanly WITHOUT calling `structured_output` (see the structured module). + * REQUIRED, resolved from the backend's validated Config — per the explicit- + * defaulting rule, the driver never fills it with a hidden fallback. + */ + readonly structuredNudgeRetries: number } /** @@ -98,6 +120,10 @@ export function startInProcessRun( if (request.maxDepth !== undefined && childDepth > request.maxDepth) { throw new SubagentDepthError(childDepth, request.maxDepth) } + // Assert the schema subset BEFORE any child exists (the service has already + // capability-gated; this rejects a schema outside the enforced subset loud). + const schema = request.outputSchema + if (schema !== undefined) assertSupportedOutputSchema(schema) const childId = AgentId(randomUUID()) // The child's OWN events begin after the seed (fork seeds the parent's @@ -109,13 +135,24 @@ export function startInProcessRun( // Inherit the parent's model by default (a child with no model cannot run); // an explicit `request.agentOptions.model` overrides it. The parent's // systemPrompt is NOT inherited — a fresh child is a clean specialist unless - // the caller supplies one. + // the caller supplies one. A structured run appends the structured_output + // instruction after whatever prompt the caller supplied. + const callerPrompt = request.agentOptions?.systemPrompt + const systemPrompt = schema === undefined + ? callerPrompt + : [callerPrompt, STRUCTURED_OUTPUT_INSTRUCTION].filter(text => text !== undefined && text.length > 0).join('\n\n') const agentOptions: AgentOptions = { ...request.parent.options.model !== undefined ? { model: request.parent.options.model } : {}, ...request.agentOptions, + ...systemPrompt !== undefined ? { systemPrompt } : {}, subagentDepth: childDepth, } + // The structured runtime is held for the WHOLE run (acquired before the child + // exists, released when the result settles), so a backend hot-reload mid-run + // cannot unregister the capture tool out from under this live child. + const structured: StructuredAcquisition | undefined = schema !== undefined ? acquireStructuredRuntime(ctx) : undefined + const handle: AgentHandle = ctx.agents.create({ agentId: childId, sessionId: SessionId(randomUUID()), @@ -130,6 +167,7 @@ export function startInProcessRun( agentOptions, }) const child = handle.agent + if (structured && schema !== undefined) structured.attach(child, schema) // Bridge the request's abort signal to the child (the consumer also bridges // its own exec.signal, but a backend-level bridge keeps the contract local). @@ -154,9 +192,30 @@ export function startInProcessRun( if (request.signal?.aborted) return { output: [], stopReason: 'aborted' } child.send(request.prompt) await child.whenIdle() - return readResult(child, seedLength, cancelled) + if (structured) { + // Nudge loop: a child that finished a turn CLEANLY without calling + // structured_output gets re-prompted, up to the backend-configured + // retry count. An errored/aborted turn is not nudged — its failure is + // the honest result. (This also covers a cancel: a cancelled turn ends + // `aborted`, and a pre-turn cancel leaves no `turn/end` at all, so + // neither reads `completed`.) + let nudges = options.structuredNudgeRetries + while ( + structured.captured(child) === undefined && nudges > 0 + && lastOwnTurnEnd(child, seedLength)?.data.reason.kind === 'completed' + ) { + nudges -= 1 + child.send([{ type: 'text', text: STRUCTURED_OUTPUT_NUDGE }]) + await child.whenIdle() + } + } + return readResult(child, seedLength, cancelled, structured ? { captured: structured.captured(child) } : undefined) } finally { request.signal?.removeEventListener('abort', onAbort) + if (structured) { + structured.detach(child) + structured.release() + } } })() @@ -173,6 +232,12 @@ export function startInProcessRun( } } +/** The child's OWN last `turn/end` event (events at or after `seedLength`), if any. */ +function lastOwnTurnEnd(child: Agent, seedLength: number): SessionEvent<'turn/end'> | undefined { + return child.session.events.slice(seedLength) + .findLast((e): e is SessionEvent<'turn/end'> => e.type === 'turn/end') +} + /** * Read a settled child's terminal result from its session log, scoped to the * child's OWN events (everything at or after `seedLength` — fork seeds the @@ -184,12 +249,29 @@ export function startInProcessRun( * logged (a cancel landed in the pre-turn window, before any turn ran), the * run settles `aborted` per the {@link SubagentRun.cancel} contract rather than * the generic no-turn `error`. + * + * A structured run (`structured` present) additionally reports the captured + * value on {@link SubagentResult.structured}. A structured child that finished + * CLEANLY without ever capturing (the nudges ran out) settles `error` — a clean + * finish without the demanded structured result is a failure, not a success + * with a missing field; a non-`completed` reason keeps its own honest mapping. */ -function readResult(child: Agent, seedLength: number, cancelled: boolean): SubagentResult { +function readResult( + child: Agent, + seedLength: number, + cancelled: boolean, + structured?: { captured?: { value: unknown } | undefined }, +): SubagentResult { const own = child.session.events.slice(seedLength) const lastMessage = own.findLast((e): e is SessionEvent<'assistant/message'> => e.type === 'assistant/message') const lastEnd = own.findLast((e): e is SessionEvent<'turn/end'> => e.type === 'turn/end') const output: ContentBlock[] = lastMessage ? structuredClone(lastMessage.data.content) : [] - if (lastEnd === undefined && cancelled) return { output, stopReason: 'aborted' } - return { output, stopReason: toStopReason(lastEnd?.data.reason) } + const stopReason: SubagentStopReason = lastEnd === undefined && cancelled + ? 'aborted' + : toStopReason(lastEnd?.data.reason) + if (structured) { + if (structured.captured) return { output, structured: structured.captured.value, stopReason } + if (stopReason === 'completed') return { output, stopReason: 'error' } + } + return { output, stopReason } } diff --git a/packages/subagent/subagent-inprocess/src/structured.ts b/packages/subagent/subagent-inprocess/src/structured.ts new file mode 100644 index 0000000000..da371ac8f4 --- /dev/null +++ b/packages/subagent/subagent-inprocess/src/structured.ts @@ -0,0 +1,193 @@ +/** + * Structured-output support for the in-process subagent backends: the mechanism + * behind `SubagentStartRequest.outputSchema` for children that run as agents on + * the same context. + * + * The model-facing surface is one globally registered `structured_output` tool + * whose REGISTERED parameters are a placeholder — the real schema is per run. + * Because the tool registry and prompt assembly are context-global while + * schemas differ per child (two concurrent structured runs may carry different + * schemas), per-agent shaping happens on the `agent/request` waterfall with a + * `prepend: true` listener that post-processes `await next()` — FINAL-REQUEST + * enforcement: whatever downstream listeners mutated or replaced, the request + * that hits the wire never carries `structured_output` for an agent without a + * structured run, and always carries the run's OWN schema for one that has it. + * (Cooperative mutate-then-`next()` would not survive a downstream listener + * returning a replacement request — see the waterfall composition caveat in + * docs/architecture.md.) + * + * A companion `agent/turn-continuation` listener stops a child's turn once its + * output is captured — without it, the loop's default "had tool calls ⇒ + * continue" buys a wasted extra model step per structured child. + * + * Lifetime is refcounted with two kinds of holder: each backend acquires for + * its plugin lifetime (so the tool exists before any run), and each structured + * RUN acquires from start to settle (so a backend hot-reload mid-run cannot + * unregister the capture tool out from under a live child). Registrations are + * effects on the ROOT context — their natural upper bound is app teardown — and + * the refcount disposes them when the last holder releases. + * + * @module @deepseek-ai/dsh-subagent-inprocess/structured + */ + +import type { Context } from 'cordis' +import type { Agent } from '@deepseek-ai/dsh-agent' +import type { ContentBlock, GenerateOptions, ToolSchema } from '@deepseek-ai/dsh-llm' +import type { ContinuationDecision } from '@deepseek-ai/dsh-agent' +import type { ToolExecution } from '@deepseek-ai/dsh-tools' +import { ToolArgsError, validateStructuredValue, type StructuredOutputSchema } from '@deepseek-ai/dsh-tools' + +/** The model-facing tool name a structured child must call to finish. */ +export const STRUCTURED_OUTPUT_TOOL = 'structured_output' + +/** The per-child instruction appended to a structured child's system prompt. */ +export const STRUCTURED_OUTPUT_INSTRUCTION + = 'When you have your final answer, you MUST report it by calling the ' + + `\`${STRUCTURED_OUTPUT_TOOL}\` tool with arguments matching its parameter schema exactly. ` + + 'Do not finish with a plain text answer: only the tool call counts as your result.' + +/** The nudge sent when a structured child finishes cleanly without calling the tool. */ +export const STRUCTURED_OUTPUT_NUDGE + = `You finished without calling \`${STRUCTURED_OUTPUT_TOOL}\`. ` + + `Call \`${STRUCTURED_OUTPUT_TOOL}\` now with your final result matching its parameter schema.` + +/** One structured run's state: the schema to enforce and the captured value, once recorded. */ +interface RunState { + readonly schema: StructuredOutputSchema + captured?: { value: unknown } +} + +/** The per-root-context runtime: run states plus the shared registrations. */ +interface StructuredRuntime { + refs: number + readonly states: WeakMap + readonly disposers: (() => void)[] +} + +/** One root context ⇒ one runtime (multi-app test isolation). */ +const runtimes = new WeakMap() + +/** + * One holder's handle on the shared structured runtime. `release()` is + * idempotent per acquisition; the runtime's registrations are disposed when the + * LAST holder (backend plugin or live run) releases. + */ +export interface StructuredAcquisition { + /** Enforce `schema` on `agent`'s requests and start capturing its `structured_output` call. */ + attach(agent: Agent, schema: StructuredOutputSchema): void + /** The captured value, once the child called the tool with valid arguments. */ + captured(agent: Agent): { value: unknown } | undefined + /** Stop enforcing/capturing for `agent` (WeakMap-backed; safe to call twice). */ + detach(agent: Agent): void + /** Drop this holder's reference (idempotent); the last release unregisters everything. */ + release(): void +} + +/** + * Acquire the per-root-context structured runtime, registering the capture tool + * and the two waterfall listeners on the FIRST acquisition. See the module doc + * for the enforcement and lifetime design. + * @param ctx - any context of the app; the runtime keys off `ctx.root`. + * @returns this holder's handle (attach/captured/detach + idempotent release). + */ +export function acquireStructuredRuntime(ctx: Context): StructuredAcquisition { + const root: Context = ctx.root + let runtime = runtimes.get(root) + if (!runtime) { + runtime = { refs: 0, states: new WeakMap(), disposers: [] } + runtimes.set(root, runtime) + registerRuntime(root, runtime) + } + runtime.refs += 1 + + let released = false + return { + attach(agent: Agent, schema: StructuredOutputSchema): void { + runtime.states.set(agent, { schema }) + }, + captured(agent: Agent): { value: unknown } | undefined { + return runtime.states.get(agent)?.captured + }, + detach(agent: Agent): void { + runtime.states.delete(agent) + }, + release(): void { + if (released) return + released = true + runtime.refs -= 1 + if (runtime.refs > 0) return + runtimes.delete(root) + for (const dispose of runtime.disposers.splice(0)) dispose() + }, + } +} + +/** Register the capture tool + the two listeners on the root context (first acquire). */ +function registerRuntime(root: Context, runtime: StructuredRuntime): void { + // The registered parameters are a PLACEHOLDER: the request listener below + // swaps in the run's real schema per child, and strips the tool entirely for + // every agent without a structured run — so this shape is never model-visible. + runtime.disposers.push(root.tools.register({ + name: STRUCTURED_OUTPUT_TOOL, + description: + 'Report your final structured result. Call this exactly once, when your answer is complete; ' + + 'the arguments must match this tool\'s parameter schema exactly.', + parameters: { type: 'object', properties: {} }, + execute(args: unknown, exec: ToolExecution): Promise { + const state = exec.agent ? runtime.states.get(exec.agent) : undefined + if (!state) { + // Reachable only if a non-structured agent somehow calls the tool (the + // request listener strips it, so the model never sees it) — fail loud + // rather than capture into nowhere. + throw new Error(`${STRUCTURED_OUTPUT_TOOL} is only available to subagents started with an output schema`) + } + const violations = validateStructuredValue(state.schema, args) + // ToolArgsError → isError result with INVALID_ARGS: the model retries + // within the same turn, exactly like a schema-validated defineTool call. + if (violations.length > 0) throw new ToolArgsError(violations) + state.captured = { value: args } + return Promise.resolve([{ type: 'text', text: 'Structured output recorded.' }]) + }, + })) + + // FINAL-REQUEST enforcement (prepend: true = first registered = OUTERMOST + // wrapper): post-process whatever the downstream listeners and the core + // produced, so a downstream listener returning a replacement request cannot + // leak the tool to other agents or erase the child's schema. + runtime.disposers.push(root.on('agent/request', async function ( + this: unknown, agent: Agent, _turn: number, _step: number, _options: GenerateOptions, next: () => Promise, + ): Promise { + const final = await next() + const state = runtime.states.get(agent) + if (state) { + const schemaEntry: ToolSchema = { + name: STRUCTURED_OUTPUT_TOOL, + description: + 'Report your final structured result. Call this exactly once, when your answer is complete; ' + + 'the arguments must match this tool\'s parameter schema exactly.', + // ToolSchema.parameters is the wire-level JSON Schema object; the + // asserted subset type is structurally exactly that. + parameters: state.schema as unknown as Record, + } + final.tools = [...(final.tools ?? []).filter(tool => tool.name !== STRUCTURED_OUTPUT_TOOL), schemaEntry] + return final + } + // No structured run: strip the placeholder if present; leave an absent + // tools field absent (an adapter may treat `tools: []` and no tools + // differently on the wire). + if (final.tools?.some(tool => tool.name === STRUCTURED_OUTPUT_TOOL)) { + final.tools = final.tools.filter(tool => tool.name !== STRUCTURED_OUTPUT_TOOL) + } + return final + }, { prepend: true })) + + // Stop a structured child's turn once its output is captured: the default + // "had tool calls ⇒ continue" would otherwise buy a wasted extra model step + // after every successful capture. + runtime.disposers.push(root.on('agent/turn-continuation', function ( + this: unknown, agent: Agent, _turn: number, _decision: ContinuationDecision, next: () => Promise, + ): Promise { + if (runtime.states.get(agent)?.captured) return Promise.resolve({ action: 'stop' }) + return next() + })) +} diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts new file mode 100644 index 0000000000..643000de2c --- /dev/null +++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts @@ -0,0 +1,393 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService, { type GenerateOptions } from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop from '@deepseek-ai/dsh-agent-loop' +import * as Invariants from '@deepseek-ai/dsh-invariants' +import SubagentService, { type SubagentStartRequest } from '@deepseek-ai/dsh-subagent' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' +import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import * as spawn from '../../subagent-spawn/src/index.ts' +import * as fork from '../../subagent-fork/src/index.ts' +import { + acquireStructuredRuntime, + STRUCTURED_OUTPUT_INSTRUCTION, + STRUCTURED_OUTPUT_TOOL, +} from '../src/structured.ts' + +type Script = ConstructorParameters[0] + +const SCHEMA: StructuredOutputSchema = { + type: 'object', + properties: { answer: { type: 'number' }, note: { type: 'string' } }, + required: ['answer'], +} + +/** + * Real loop + scripted mock model + the REAL spawn backend (which acquires the + * structured runtime at apply, exactly as shipped). The mock model script + * drives the child's structured_output calls. + */ +async function setup(script: Script, options?: { nudges?: number; withFork?: boolean }) { + const ctx = new Context() + const adapter = new MockAdapter(script) + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(Invariants) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(SubagentService) + const fiber = await ctx.plugin(spawn, { providerName: 'spawn', structuredNudgeRetries: options?.nudges ?? 1 }) + const forkFiber = options?.withFork + ? await ctx.plugin(fork, { providerName: 'fork', structuredNudgeRetries: options?.nudges ?? 1 }) + : undefined + ctx.llm.registerAdapter(['mock'], adapter) + const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) + return { ctx, parent, adapter, fiber, forkFiber } +} + +function structuredRequest(parent: SubagentStartRequest['parent'], extra?: Partial): SubagentStartRequest { + return { prompt: [{ type: 'text', text: 'produce the answer' }], parent, outputSchema: SCHEMA, ...extra } +} + +/** The tool names of one recorded model request. */ +function toolNames(request: GenerateOptions): string[] { + return (request.tools ?? []).map(tool => tool.name) +} + +describe('in-process structured output', () => { + it('captures a valid structured_output call and surfaces result.structured', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 42, note: 'done' }), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.structured).toEqual({ answer: 42, note: 'done' }) + await run.dispose() + }) + + it('stops the turn after a successful capture — no extra model step is spent', async () => { + const { ctx, parent, adapter } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 1 }), + textResponse('MUST NOT BE CONSUMED'), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + await run.result + // Default continuation would run a second step after the tool call; the + // structured runtime's turn-continuation veto stops the turn instead. + expect(adapter.requests.length).toBe(1) + await run.dispose() + }) + + it('an invalid call gets an INVALID_ARGS isError result and the model retries in-turn', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 'not-a-number' }), + toolCallResponse('c2', STRUCTURED_OUTPUT_TOOL, { answer: 7 }), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.structured).toEqual({ answer: 7 }) + expect(result.stopReason).toBe('completed') + // The child's log carries the isError tool/result for the invalid call. + const child = ctx.agents.get(run.id)! + const results = child.session.events.filter(e => e.type === 'tool/result') + expect(results.length).toBe(2) + expect((results[0]!.data as { isError?: boolean }).isError).toBe(true) + await run.dispose() + }) + + it('nudges a child that finished cleanly without calling the tool, then captures', async () => { + const { ctx, parent } = await setup([ + textResponse('here is my answer in prose'), + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 3 }), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.structured).toEqual({ answer: 3 }) + expect(result.stopReason).toBe('completed') + // The nudge is a real user-visible message in the child's log. + const child = ctx.agents.get(run.id)! + const users = child.session.events.filter(e => e.type === 'user/message') + expect(users.length).toBe(2) + await run.dispose() + }) + + it('settles error when the nudges run out without a capture', async () => { + const { ctx, parent, adapter } = await setup([ + textResponse('prose only'), + textResponse('still prose'), + ], { nudges: 1 }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('error') + expect(result.structured).toBeUndefined() + expect(adapter.requests.length).toBe(2) + await run.dispose() + }) + + it('zero nudge retries fails immediately after the first clean prose finish', async () => { + const { ctx, parent, adapter } = await setup([textResponse('prose')], { nudges: 0 }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('error') + expect(adapter.requests.length).toBe(1) + await run.dispose() + }) + + it('a child that errored is NOT nudged (its failure is the honest result)', async () => { + // Script exhaustion on the first call → the child turn errors. + const { ctx, parent, adapter } = await setup([], { nudges: 3 }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('error') + expect(adapter.requests.length).toBe(1) + await run.dispose() + }) + + it('rejects a schema outside the subset loud, before any child exists', async () => { + const { ctx, parent } = await setup([]) + expect(() => ctx.subagents.start('spawn', structuredRequest(parent, { + outputSchema: { type: 'object', oneOf: [] } as unknown as StructuredOutputSchema, + }))).toThrow(/unsupported output schema/) + expect(ctx.agents.get(AgentId('parent'))).toBeDefined() + }) + + it('appends the structured instruction to the child system prompt (caller prompt preserved)', async () => { + const { ctx, parent } = await setup([toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 1 })]) + const run = ctx.subagents.start('spawn', structuredRequest(parent, { + agentOptions: { systemPrompt: 'You are a counter.' }, + })) + await run.result + const child = ctx.agents.get(run.id)! + expect(child.options.systemPrompt).toBe(`You are a counter.\n\n${STRUCTURED_OUTPUT_INSTRUCTION}`) + await run.dispose() + }) + + it('a structured child WITHOUT a caller prompt gets exactly the instruction', async () => { + const { ctx, parent } = await setup([toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 1 })]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + await run.result + const child = ctx.agents.get(run.id)! + expect(child.options.systemPrompt).toBe(STRUCTURED_OUTPUT_INSTRUCTION) + await run.dispose() + }) + + describe('final-request enforcement (the prepend agent/request listener)', () => { + it('a structured child sees structured_output with ITS schema; a plain agent never sees the tool', async () => { + const { ctx, parent, adapter } = await setup([ + // Parent turn (a plain agent): must NOT see the tool. + textResponse('parent answer'), + // Child turn: must see it, with the run's schema. + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 42 }), + ]) + parent.send([{ type: 'text', text: 'hello' }]) + await parent.whenIdle() + expect(toolNames(adapter.requests[0]!)).not.toContain(STRUCTURED_OUTPUT_TOOL) + + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + await run.result + const childRequest = adapter.requests[1]! + expect(toolNames(childRequest)).toContain(STRUCTURED_OUTPUT_TOOL) + const entry = childRequest.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)! + expect(entry.parameters).toEqual(SCHEMA) + await run.dispose() + }) + + it('two concurrent structured children each see their OWN schema', async () => { + const otherSchema: StructuredOutputSchema = { + type: 'object', + properties: { verdict: { type: 'string', enum: ['real', 'bogus'] } }, + required: ['verdict'], + } + const { ctx, parent, adapter } = await setup([ + (options: GenerateOptions) => { + // Answer with whatever schema this child was given — proves each + // request carried the right one regardless of scheduling order. + const entry = options.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)! + const args = 'verdict' in (entry.parameters.properties as Record) + ? { verdict: 'real' } + : { answer: 1 } + return toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, args) + }, + (options: GenerateOptions) => { + const entry = options.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)! + const args = 'verdict' in (entry.parameters.properties as Record) + ? { verdict: 'real' } + : { answer: 1 } + return toolCallResponse('c2', STRUCTURED_OUTPUT_TOOL, args) + }, + ]) + const runA = ctx.subagents.start('spawn', structuredRequest(parent)) + const runB = ctx.subagents.start('spawn', structuredRequest(parent, { outputSchema: otherSchema })) + const [a, b] = await Promise.all([runA.result, runB.result]) + expect(a.structured).toEqual({ answer: 1 }) + expect(b.structured).toEqual({ verdict: 'real' }) + const schemas = adapter.requests.map(request => + request.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)!.parameters) + expect(schemas).toContainEqual(SCHEMA) + expect(schemas).toContainEqual(otherSchema) + await runA.dispose() + await runB.dispose() + }) + + it('wins against a downstream listener that REPLACES the request object', async () => { + const { ctx, parent, adapter } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 5 }), + ]) + // A downstream (non-prepend) listener that returns a brand-new request — + // the composition caveat that erases cooperative mutations. Registered + // AFTER the runtime's prepend listener, so it runs INSIDE it. + ctx.on('agent/request', async (_agent, _turn, _step, _options, next) => { + const replaced = await next() + return { ...replaced, tools: [...(replaced.tools ?? [])] } + }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.structured).toEqual({ answer: 5 }) + const entry = adapter.requests[0]!.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL) + expect(entry).toBeDefined() + expect(entry!.parameters).toEqual(SCHEMA) + await run.dispose() + }) + + it('a non-structured agent request keeps tools ABSENT when it had none (no tools: [] materialized)', async () => { + const { parent, adapter } = await setup([ + // The registry contributes the placeholder via prompt assembly, so + // tools is an array in the raw request — but after stripping the + // placeholder (its ONLY entry), the field must not be re-added as a + // different shape. + textResponse('plain'), + ]) + parent.send([{ type: 'text', text: 'q' }]) + await parent.whenIdle() + const request = adapter.requests[0]! + expect(toolNames(request)).not.toContain(STRUCTURED_OUTPUT_TOOL) + await new Promise(resolve => setTimeout(resolve, 0)) + }) + + it('handles a request with NO tools field at all, for plain and structured agents alike', async () => { + // Drive the waterfall directly with a toolless request — the enforcement + // listener must tolerate `tools: undefined` on both branches: leave it + // absent for a plain agent, and create the array for a structured child. + const { ctx, parent } = await setup([]) + const bare: GenerateOptions = { model: 'mock', messages: [] } + const plain = await ctx.waterfall('agent/request', parent, 1, 1, bare, () => Promise.resolve(bare)) + expect(plain.tools).toBeUndefined() + + const acquisition = acquireStructuredRuntime(ctx) + acquisition.attach(parent, SCHEMA) + const bare2: GenerateOptions = { model: 'mock', messages: [] } + const shaped = await ctx.waterfall('agent/request', parent, 1, 1, bare2, () => Promise.resolve(bare2)) + expect(shaped.tools!.map(tool => tool.name)).toEqual([STRUCTURED_OUTPUT_TOOL]) + acquisition.detach(parent) + acquisition.release() + }) + }) + + describe('runtime lifetime (refcount: backends + live runs)', () => { + it('registers the capture tool while a backend is loaded and unregisters when the last unloads', async () => { + const { ctx, fiber, forkFiber } = await setup([], { withFork: true }) + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + await fiber.dispose() + // fork still holds a reference. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + await forkFiber!.dispose() + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + }) + + it('a live run-level acquisition keeps the runtime registered after EVERY backend unloads', async () => { + // Simulates the run-holder half of the two-level lifetime: a structured + // run acquires at start and releases at settle, so registration ordering + // is settle-then-unregister even if all backends unload first. (A real + // in-process child dies WITH its backend's fiber — the acquisition's + // observable job is this ordering, which a manual holder pins directly.) + const { ctx, fiber, forkFiber } = await setup([], { withFork: true }) + const runHolder = acquireStructuredRuntime(ctx) + await fiber.dispose() + await forkFiber!.dispose() + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + runHolder.release() + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + }) + + it('a structured run releases its acquisition when it settles (backend unload mid-run)', async () => { + const { ctx, parent, fiber } = await setup(['hang']) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + // Let the child's step start streaming, then unload the backend. The + // backend owns the child agent, so the unload tears the child down and + // the run settles — releasing its own acquisition on the way out. + await new Promise(resolve => setTimeout(resolve, 30)) + await fiber.dispose() + const result = await run.result + expect(result.stopReason).toBe('error') + // Both holders (backend + run) released — nothing keeps the runtime now. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + await run.dispose() + }) + + it('fork children capture structured output through the same runtime', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 9 }), + ], { withFork: true }) + const run = ctx.subagents.start('fork', structuredRequest(parent)) + const result = await run.result + expect(result.structured).toEqual({ answer: 9 }) + await run.dispose() + }) + + it('acquisition release is idempotent (double release cannot underflow the refcount)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const first = acquireStructuredRuntime(ctx) + const second = acquireStructuredRuntime(ctx) + first.release() + first.release() + // The second holder still keeps the tool registered. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + second.release() + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + }) + + it('attach/captured/detach manage per-agent state through the acquisition surface', async () => { + const { ctx, parent } = await setup([]) + const acquisition = acquireStructuredRuntime(ctx) + expect(acquisition.captured(parent)).toBeUndefined() + acquisition.attach(parent, SCHEMA) + expect(acquisition.captured(parent)).toBeUndefined() + acquisition.detach(parent) + acquisition.detach(parent) + acquisition.release() + // The backend still holds its own reference from setup(). + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + }) + }) + + it('a direct structured_output call from an agent WITHOUT a structured run is an isError', async () => { + const { ctx, parent } = await setup([]) + const result = await ctx.tools.execute({ + callId: 'x' as never, + name: STRUCTURED_OUTPUT_TOOL, + arguments: { answer: 1 }, + agent: parent, + }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ type: 'text' }) + }) + + it('a structured_output call with NO calling agent at all is an isError', async () => { + const { ctx } = await setup([]) + const result = await ctx.tools.execute({ + callId: 'x' as never, + name: STRUCTURED_OUTPUT_TOOL, + arguments: { answer: 1 }, + }) + expect(result.isError).toBe(true) + }) +}) diff --git a/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts b/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts index 7219e03988..d3870ae51a 100644 --- a/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts @@ -51,7 +51,7 @@ describe('depthOf', () => { describe('startInProcessRun', () => { it('drives a fresh child (no seed) to completion and returns its output', async () => { const { ctx, parent } = await setup([textResponse('driver child answer')]) - const run = startInProcessRun(ctx, { prompt: [{ type: 'text', text: 'do X' }], parent }, { providerName: 'spawn' }) + const run = startInProcessRun(ctx, { prompt: [{ type: 'text', text: 'do X' }], parent }, { providerName: 'spawn', structuredNudgeRetries: 1 }) const result = await run.result expect(result.stopReason).toBe('completed') expect(text(result.output)).toBe('driver child answer') @@ -61,7 +61,7 @@ describe('startInProcessRun', () => { it('throws SubagentDepthError when the child would exceed maxDepth', async () => { const { ctx, parent } = await setup([]) - expect(() => startInProcessRun(ctx, { prompt: [{ type: 'text', text: 'p' }], parent, maxDepth: 0 }, { providerName: 'spawn' })) + expect(() => startInProcessRun(ctx, { prompt: [{ type: 'text', text: 'p' }], parent, maxDepth: 0 }, { providerName: 'spawn', structuredNudgeRetries: 1 })) .toThrow(SubagentDepthError) }) @@ -73,7 +73,7 @@ describe('startInProcessRun', () => { parent.send([{ type: 'text', text: 'parent q' }]) await parent.whenIdle() const seed = parent.session.events.slice() - const run = startInProcessRun(ctx, { prompt: [{ type: 'text', text: 'child q' }], parent }, { providerName: 'fork', seed }) + const run = startInProcessRun(ctx, { prompt: [{ type: 'text', text: 'child q' }], parent }, { providerName: 'fork', structuredNudgeRetries: 1, seed }) const result = await run.result expect(result.stopReason).toBe('completed') expect(text(result.output)).toBe('seeded child reply') diff --git a/packages/subagent/subagent-inprocess/tsconfig.json b/packages/subagent/subagent-inprocess/tsconfig.json index 4cb435d4fb..a52684ee6e 100644 --- a/packages/subagent/subagent-inprocess/tsconfig.json +++ b/packages/subagent/subagent-inprocess/tsconfig.json @@ -25,6 +25,9 @@ }, { "path": "../subagent" + }, + { + "path": "../../core/tools" } ] } diff --git a/packages/subagent/subagent-spawn/README.md b/packages/subagent/subagent-spawn/README.md index 97dfae9304..059c996215 100644 --- a/packages/subagent/subagent-spawn/README.md +++ b/packages/subagent/subagent-spawn/README.md @@ -6,14 +6,15 @@ The run mechanics live in the shared [`@deepseek-ai/dsh-subagent-inprocess`](../ ## What it does -`start(request)` delegates to `startInProcessRun(ctx, request, { providerName })` with no seed: a fresh child agent with the parent's `cwd`/`parentSession` lineage and (by default) the parent's model. See the [driver README](../subagent-inprocess/README.md) for the full lifecycle (depth check, one-shot drive, result read, dispose). +`start(request)` delegates to `startInProcessRun(ctx, request, { providerName, structuredNudgeRetries })` with no seed: a fresh child agent with the parent's `cwd`/`parentSession` lineage and (by default) the parent's model. See the [driver README](../subagent-inprocess/README.md) for the full lifecycle (depth check, one-shot drive, result read, dispose). ## Capabilities -`{ outputSchema: false, depthLimit: true, toolFilter: false }`. It constructs the child, so it enforces a recursion cap; structured output and tool-scoping are deferred (the service rejects a request needing either before `start` runs). +`{ outputSchema: true, depthLimit: true, toolFilter: false }`. It constructs the child, so it enforces a recursion cap, and it supports structured output via the driver's shared [structured runtime](../subagent-inprocess/README.md) (the backend acquires it for its plugin lifetime; each structured run holds its own acquisition until it settles). Tool-scoping is deferred (the service rejects a request needing it before `start` runs). ## Config | Key | Meaning | |---|---| | `providerName` | Registry name on `ctx.subagents` (default `spawn`). | +| `structuredNudgeRetries` | How many times a structured run re-prompts a child that finished cleanly without calling `structured_output` (default 1). | diff --git a/packages/subagent/subagent-spawn/src/index.ts b/packages/subagent/subagent-spawn/src/index.ts index 2ea082e20a..fdd57fd62a 100644 --- a/packages/subagent/subagent-spawn/src/index.ts +++ b/packages/subagent/subagent-spawn/src/index.ts @@ -9,6 +9,11 @@ * ({@link startInProcessRun}); this backend just passes NO seed (a fresh * child). The fork backend is an independent peer over the same driver. * + * Structured output (`outputSchema`) is supported via the driver's shared + * structured runtime: the backend acquires it for its plugin lifetime (so the + * capture tool and request-shaping listeners exist before any run), and each + * structured run holds its own acquisition until it settles. + * * Plugin export shape: named `name`/`inject`/`Config`/`apply`, NO default. * * @module @deepseek-ai/dsh-subagent-spawn @@ -17,38 +22,61 @@ import type { Context } from 'cordis' import z from 'schemastery' import type { SubagentCapabilities, SubagentProvider, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' -import { startInProcessRun } from '@deepseek-ai/dsh-subagent-inprocess' +import { acquireStructuredRuntime, startInProcessRun } from '@deepseek-ai/dsh-subagent-inprocess' export const name = 'subagent-spawn' -export const inject = ['subagents', 'agents'] +export const inject = ['subagents', 'agents', 'tools'] -/** Config: the registry name to register the provider under. */ +/** Config: the registry name to register the provider under, plus structured-run tuning. */ export interface Config { /** Provider name on `ctx.subagents` (default `spawn`). */ providerName: string + /** + * How many times a structured run re-prompts a child that finished cleanly + * without calling `structured_output` before giving up (default 1). + */ + structuredNudgeRetries: number } export const Config: z = z.object({ providerName: z.string().default('spawn'), + structuredNudgeRetries: z.natural().default(1), }) /** * The spawn provider. Supports `depthLimit` (it constructs the child, so it can - * enforce a recursion cap) but NOT `outputSchema` or `toolFilter` in this cut — - * a request that needs either is rejected by the service before `start` runs. + * enforce a recursion cap) and `outputSchema` (via the shared in-process + * structured runtime); NOT `toolFilter` in this cut — a request that needs it + * is rejected by the service before `start` runs. */ class SpawnProvider implements SubagentProvider { - readonly capabilities: SubagentCapabilities = { outputSchema: false, depthLimit: true, toolFilter: false } + readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: false } - constructor(readonly name: string, private readonly ctx: Context) {} + constructor( + readonly name: string, + private readonly ctx: Context, + private readonly structuredNudgeRetries: number, + ) {} start(request: SubagentStartRequest) { // Fresh child: no seed. The shared driver mints ids, stamps cwd/lineage/ - // depth, drives the one-shot, and maps the result. - return startInProcessRun(this.ctx, request, { providerName: this.name }) + // depth, drives the one-shot (including the structured capture/nudge loop + // when the request carries an outputSchema), and maps the result. + return startInProcessRun(this.ctx, request, { + providerName: this.name, + structuredNudgeRetries: this.structuredNudgeRetries, + }) } } export function apply(ctx: Context, config: Config): void { - ctx.subagents.registerProvider(new SpawnProvider(config.providerName, ctx)) + // Hold the structured runtime for the plugin's lifetime, so the capture tool + // and its request-shaping listeners are registered before the first + // structured run and torn down when the last backend unloads (live runs hold + // their own acquisitions, so an unload mid-run cannot strand a child). + ctx.effect(() => { + const acquisition = acquireStructuredRuntime(ctx) + return () => { acquisition.release() } + }, 'subagent-spawn structured runtime') + ctx.subagents.registerProvider(new SpawnProvider(config.providerName, ctx, config.structuredNudgeRetries)) } diff --git a/packages/subagent/subagent-spawn/tests/harness.ts b/packages/subagent/subagent-spawn/tests/harness.ts index ff551cfc3f..cb66a326a6 100644 --- a/packages/subagent/subagent-spawn/tests/harness.ts +++ b/packages/subagent/subagent-spawn/tests/harness.ts @@ -31,7 +31,7 @@ export async function spawnHarness(workdir: string): Promise { await ctx.plugin(LocalBashExecutor, { cwd: workdir, timeoutMs: 30_000 }) await ctx.plugin(ToolBash) await ctx.plugin(SubagentService) - await ctx.plugin(Spawn, { providerName: 'spawn' }) + await ctx.plugin(Spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) // The model-facing subagent tool, bound to the spawn backend. await ctx.plugin(ToolSubagent, { provider: 'spawn' }) return ctx diff --git a/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts b/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts index ccfd6492f4..eaddeae201 100644 --- a/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts +++ b/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts @@ -34,7 +34,7 @@ async function setup(script: Script) { await ctx.plugin(Invariants) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(SubagentService) - await ctx.plugin(spawn, { providerName: 'spawn' }) + await ctx.plugin(spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) ctx.llm.registerAdapter(['mock'], adapter) const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) return { ctx, parent, adapter } @@ -241,17 +241,21 @@ describe('dsh-subagent-spawn', () => { await parentHandle.dispose() }) - it('advertises depthLimit but not outputSchema/toolFilter', async () => { + it('advertises depthLimit and outputSchema but not toolFilter', async () => { const { ctx } = await setup([]) const provider = ctx.subagents.getProvider('spawn')! - expect(provider.capabilities).toEqual({ outputSchema: false, depthLimit: true, toolFilter: false }) + expect(provider.capabilities).toEqual({ outputSchema: true, depthLimit: true, toolFilter: false }) }) it('unregisters the provider when its fiber is disposed (HMR safety)', async () => { const ctx = new Context() await ctx.plugin(SubagentService) await ctx.plugin(AgentRegistry) - const fiber = await ctx.plugin(spawn, { providerName: 'spawn' }) + // The backend injects 'tools' for the structured runtime, so the registry + // (and its systemPrompt dependency) must be live for the fiber to activate. + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const fiber = await ctx.plugin(spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) expect(ctx.subagents.list()).toEqual(['spawn']) await fiber.dispose() expect(ctx.subagents.list()).toEqual([]) @@ -260,12 +264,12 @@ describe('dsh-subagent-spawn', () => { it('has the namespace-plugin export shape (no stray default)', () => { expect('default' in spawn).toBe(false) expect(spawn.name).toBe('subagent-spawn') - expect(spawn.inject).toEqual(['subagents', 'agents']) + expect(spawn.inject).toEqual(['subagents', 'agents', 'tools']) const loader = Object.create(Loader.prototype) as Loader const unwrapped = loader.unwrapExports(spawn) as Record expect(unwrapped).toBe(spawn) expect(unwrapped.name).toBe('subagent-spawn') - expect(unwrapped.inject).toEqual(['subagents', 'agents']) + expect(unwrapped.inject).toEqual(['subagents', 'agents', 'tools']) expect(typeof unwrapped.apply).toBe('function') }) }) diff --git a/packages/subagent/subagent/src/types.ts b/packages/subagent/subagent/src/types.ts index fb60d5667c..16e6cd5237 100644 --- a/packages/subagent/subagent/src/types.ts +++ b/packages/subagent/subagent/src/types.ts @@ -8,7 +8,7 @@ import type { Agent, AgentId, AgentOptions } from '@deepseek-ai/dsh-agent' import type { ContentBlock } from '@deepseek-ai/dsh-llm' -import type { SchemaSpec } from '@deepseek-ai/dsh-tools' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' /** * Which START-TIME features a provider supports. Checked by the service @@ -56,12 +56,16 @@ export interface SubagentStartRequest { /** Per-child agent options (model, system prompt). */ agentOptions?: AgentOptions /** - * Optional structured-output schema. When set AND the provider's - * {@link SubagentCapabilities.outputSchema} is `true`, the child's final - * answer is shaped to this schema and surfaced as {@link SubagentResult.structured}. + * Optional structured-output schema — an object-rooted JSON Schema within the + * enforced subset (see `assertSupportedOutputSchema` in dsh-tools; a schema + * outside the subset is rejected loud at start). When set AND the provider's + * {@link SubagentCapabilities.outputSchema} is `true`, the child is driven to + * report a value matching this schema, surfaced as + * {@link SubagentResult.structured}. The schema must be plain host-realm JSON + * data — a caller holding foreign-realm data materializes it first. * Requesting it against a provider that lacks the capability is rejected at start. */ - outputSchema?: SchemaSpec + outputSchema?: StructuredOutputSchema /** * Optional recursion cap (max delegation depth below this child). Requires * {@link SubagentCapabilities.depthLimit}; rejected at start otherwise. diff --git a/packages/subagent/subagent/tests/service.spec.ts b/packages/subagent/subagent/tests/service.spec.ts index 3a8807ad0d..4e1c5b1bfd 100644 --- a/packages/subagent/subagent/tests/service.spec.ts +++ b/packages/subagent/subagent/tests/service.spec.ts @@ -124,7 +124,7 @@ describe('SubagentService', () => { describe('start-time capability validation (fail loud, before any child)', () => { it.each([ - { field: 'outputSchema', request: baseRequest({ outputSchema: { x: { type: 'string' } } }) }, + { field: 'outputSchema', request: baseRequest({ outputSchema: { type: 'object', properties: { x: { type: 'string' } } } }) }, { field: 'maxDepth', request: baseRequest({ maxDepth: 2 }) }, { field: 'toolFilter', request: baseRequest({ toolFilter: { deny: ['bash'] } }) }, ])('rejects $field against a provider that lacks the capability — before start() runs', ({ request }) => { @@ -149,7 +149,7 @@ describe('SubagentService', () => { await ctx.plugin(SubagentService) const provider = new StubProvider('strong', ALL_CAPS) ctx.subagents.registerProvider(provider) - ctx.subagents.start('strong', baseRequest({ outputSchema: { x: { type: 'string' } }, maxDepth: 1 })) + ctx.subagents.start('strong', baseRequest({ outputSchema: { type: 'object', properties: { x: { type: 'string' } } }, maxDepth: 1 })) expect(provider.startCount).toBe(1) }) }) diff --git a/packages/support/subagent-mock/tests/subagent-mock.spec.ts b/packages/support/subagent-mock/tests/subagent-mock.spec.ts index f35ed884eb..ddd725da4b 100644 --- a/packages/support/subagent-mock/tests/subagent-mock.spec.ts +++ b/packages/support/subagent-mock/tests/subagent-mock.spec.ts @@ -41,13 +41,13 @@ describe('dsh-subagent-mock', () => { it('surfaces a structured result when the request carries an outputSchema', async () => { const ctx = await mount({ reply: 'r', structured: { answer: 42 } }) - const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { answer: { type: 'number' } } })) + const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { type: 'object', properties: { answer: { type: 'number' } } } })) await expect(run.result).resolves.toMatchObject({ structured: { answer: 42 } }) }) it('defaults structured output to { reply } when outputSchema is requested but no structured value is configured', async () => { const ctx = await mount({ reply: 'fallback reply' }) - const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { answer: { type: 'number' } } })) + const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { type: 'object', properties: { answer: { type: 'number' } } } })) await expect(run.result).resolves.toMatchObject({ structured: { reply: 'fallback reply' } }) }) From 1d43ea3cd5c09880dcbf3fbfbe3b90777a00d094 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 5 Jul 2026 13:29:35 +0800 Subject: [PATCH 06/90] =?UTF-8?q?workflow:=20dynamic=20workflows=20?= =?UTF-8?q?=E2=80=94=20script-driven=20multi-agent=20orchestration?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A new capability family at packages/workflow/ in the bash seam shape, modeled on Claude Code's dynamic workflows: the model writes a JavaScript orchestration script (export const meta = {...} + plain-JS body), a runtime executes it, and the script — not the conversation — holds the loop, the branching, and the intermediate results. - dsh-workflow (ctx.workflows): abstract WorkflowService + run vocabulary (WorkflowRun whose result NEVER rejects) + observe-only workflow/* events carrying data snapshots (id + meta, never the live run), per-listener contained like subagent/*. - dsh-workflow-vm: in-process node:vm engine. Meta extraction via a string/comment-aware scanner (template interpolation rejected; literal evaluated alone in an empty timed context; statement blanked line- preservingly so stacks keep script line numbers). Hooks: agent(prompt, {label, phase, schema, model}) over ctx.subagents, parallel(), pipeline() (no cross-stage barrier), phase(), log(), args. Fatal-vs-null discipline: hook misuse (unknown/deferred options, bad arguments, unsupported schemas, tripped caps, seam start failures, cancellation) throws fatal WorkflowErrors the combinators RE-THROW — never dissolved into the per-item null reserved for child failures. Realm boundary: inbound values materialized by descriptor walks that never invoke accessors (defineProperty copies, __proto__-safe); outbound values rebuilt in-realm via the context's own JSON.parse. Determinism bans (Date.now/Math.random/argless new Date) kept so future resume support cannot break scripts. Caps and timeouts are validated Config. Every hook promise carries a no-op rejection consumer (app-boot exits on unhandled rejections). - dsh-tool-workflow: the model-facing workflow tool, synchronous like dsh-tool-subagent (start → await → try/finally dispose; abort bridged; non-completed → isError). Generic render card titled by a textual meta.name sniff. The tool description carries the authoring contract. Wired into examples/{coding-agent,acp-agent} with explicit-ask-only guidance. Coverage at every tier: unit (meta scanner, materializer incl. counting-getter and __proto__ regressions, combinator semantics, concurrency ceiling, caps, cancellation, no-unhandled-rejection abandon), integration over the real spawn stack, with-key e2e (real two-phase run + the tool through the registry pipeline), and a recorded ACP snapshot scenario (workflow-run, 1 child session). RFC: docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md (deferred work explicitly listed). AGENTS.md budget 1575 → 1590 for the new group's layout line. --- AGENTS.md | 1 + docs/architecture.md | 1 + docs/cordis-catalog/events.md | 62 ++ docs/cordis-catalog/services.md | 16 + docs/core-data-structures/workflow.md | 68 ++ docs/module-graph.md | 16 + docs/rfc/README.md | 1 + .../feature/2026-07-05-dynamic-workflows.md | 58 ++ docs/tool-catalog/tools.md | 39 ++ examples/acp-agent/cordis.yml | 18 + examples/acp-agent/tests/acp.snapshot.ts | 4 + .../tests/snapshots/workflow-run/input.json | 7 + .../snapshots/workflow-run/session.1.jsonl | 37 ++ .../snapshots/workflow-run/session.jsonl | 152 +++++ .../workflow-run/stdout.golden.jsonl | 75 +++ examples/coding-agent/cordis.yml | 20 +- knip.json | 141 +++- packages/README.md | 1 + .../core/tools/tests/gen-tool-catalog.spec.ts | 2 +- .../subagent/subagent-inprocess/package.json | 2 + .../tests/structured.spec.ts | 4 +- packages/workflow/README.md | 13 + packages/workflow/tool-workflow/README.md | 22 + packages/workflow/tool-workflow/package.json | 43 ++ packages/workflow/tool-workflow/src/index.ts | 179 +++++ .../tool-workflow/tests/tool-workflow.spec.ts | 224 +++++++ packages/workflow/tool-workflow/tsconfig.json | 33 + packages/workflow/workflow-vm/README.md | 30 + packages/workflow/workflow-vm/package.json | 50 ++ packages/workflow/workflow-vm/src/index.ts | 166 +++++ packages/workflow/workflow-vm/src/meta.ts | 198 ++++++ packages/workflow/workflow-vm/src/realm.ts | 142 ++++ packages/workflow/workflow-vm/src/runtime.ts | 499 ++++++++++++++ .../workflow-vm/tests/integration.spec.ts | 89 +++ .../workflow/workflow-vm/tests/meta.spec.ts | 143 ++++ .../workflow/workflow-vm/tests/realm.spec.ts | 114 ++++ .../workflow-vm/tests/workflow-vm.spec.ts | 614 ++++++++++++++++++ .../workflow-vm/tests/workflow.e2e.ts | 131 ++++ packages/workflow/workflow-vm/tsconfig.json | 39 ++ packages/workflow/workflow/README.md | 29 + packages/workflow/workflow/package.json | 37 ++ packages/workflow/workflow/src/index.ts | 224 +++++++ packages/workflow/workflow/src/types.ts | 154 +++++ .../workflow/workflow/tests/workflow.spec.ts | 86 +++ packages/workflow/workflow/tsconfig.json | 27 + pnpm-lock.yaml | 95 +++ scripts/doc-budgets.manifest.json | 2 +- scripts/gen-tool-catalog.ts | 16 + scripts/type-equiv.manifest.json | 437 ++++++++++--- tsconfig.base.json | 1 + tsconfig.build.json | 3 + tsconfig.json | 3 + 52 files changed, 4459 insertions(+), 109 deletions(-) create mode 100644 docs/core-data-structures/workflow.md create mode 100644 docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md create mode 100644 examples/acp-agent/tests/snapshots/workflow-run/input.json create mode 100644 examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl create mode 100644 examples/acp-agent/tests/snapshots/workflow-run/session.jsonl create mode 100644 examples/acp-agent/tests/snapshots/workflow-run/stdout.golden.jsonl create mode 100644 packages/workflow/README.md create mode 100644 packages/workflow/tool-workflow/README.md create mode 100644 packages/workflow/tool-workflow/package.json create mode 100644 packages/workflow/tool-workflow/src/index.ts create mode 100644 packages/workflow/tool-workflow/tests/tool-workflow.spec.ts create mode 100644 packages/workflow/tool-workflow/tsconfig.json create mode 100644 packages/workflow/workflow-vm/README.md create mode 100644 packages/workflow/workflow-vm/package.json create mode 100644 packages/workflow/workflow-vm/src/index.ts create mode 100644 packages/workflow/workflow-vm/src/meta.ts create mode 100644 packages/workflow/workflow-vm/src/realm.ts create mode 100644 packages/workflow/workflow-vm/src/runtime.ts create mode 100644 packages/workflow/workflow-vm/tests/integration.spec.ts create mode 100644 packages/workflow/workflow-vm/tests/meta.spec.ts create mode 100644 packages/workflow/workflow-vm/tests/realm.spec.ts create mode 100644 packages/workflow/workflow-vm/tests/workflow-vm.spec.ts create mode 100644 packages/workflow/workflow-vm/tests/workflow.e2e.ts create mode 100644 packages/workflow/workflow-vm/tsconfig.json create mode 100644 packages/workflow/workflow/README.md create mode 100644 packages/workflow/workflow/package.json create mode 100644 packages/workflow/workflow/src/index.ts create mode 100644 packages/workflow/workflow/src/types.ts create mode 100644 packages/workflow/workflow/tests/workflow.spec.ts create mode 100644 packages/workflow/workflow/tsconfig.json diff --git a/AGENTS.md b/AGENTS.md index ef3526d6fe..f7b750e430 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -18,6 +18,7 @@ packages/ Harness packages at packages///, all named @deepseek-ai web/ web seam + search/fetch providers + model-facing web tools compact/ compaction seam + basic backend subagent/ subagent seam + spawn/fork/ACP backends + delegation tool + workflow/ workflow seam + node:vm script engine + the workflow tool todo/ the todo_write tool hooks/ Claude Code / Codex hook bridges + shared wire-protocol library session-persistence/ persistence seam + JSONL/SQLite backends diff --git a/docs/architecture.md b/docs/architecture.md index f1f44033a1..47d11d897c 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -43,6 +43,7 @@ Dependency rule: extension plugins depend on interfaces, never on `dsh-agent-loo | `ctx.compact` | dsh-compact | compaction: detect pressure, summarize an older range | | `ctx.web` | dsh-web | search/fetch provider registries + `WebError` taxonomy | | `ctx.subagents` | dsh-subagent | named provider registry for delegating to child agents | +| `ctx.workflows` | dsh-workflow | script-driven multi-agent orchestration: `start()` runs a workflow script | All registrations go through `ctx.effect()` and return disposers, so hot-reload and fiber disposal clean up automatically (full service interfaces: the generated [services catalog](cordis-catalog/services.md)). diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index c85b459069..463c7e06b2 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -313,6 +313,68 @@ Types: [ToolExecution](../core-data-structures/tools.md) Source: [`packages/core/tools/src/index.ts:76`](../../packages/core/tools/src/index.ts) +## `workflow/*` + +### `workflow/agent-end` — emit + +One `agent()` call settled (clean result, child failure, or run cancellation). Paired with Events['workflow/agent-start']. + +```ts cordis-catalog +'workflow/agent-end'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:91`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/agent-start` — emit + +One `agent()` call started a child run. Paired with Events['workflow/agent-end'] by `agent.seq`. + +```ts cordis-catalog +'workflow/agent-start'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:83`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/end` — emit + +A workflow run settled (any stop reason). Fired when WorkflowRun.result resolves. Paired with Events['workflow/start']. + +```ts cordis-catalog +'workflow/end'(info: WorkflowRunInfo, result: WorkflowResultInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:101`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/log` — emit + +The script emitted a narration line (a `log(message)` call). + +```ts cordis-catalog +'workflow/log'(info: WorkflowRunInfo, message: string): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:75`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/phase` — emit + +The script entered a phase (a `phase(title)` call) — progress grouping for observers; no execution semantics. + +```ts cordis-catalog +'workflow/phase'(info: WorkflowRunInfo, title: string): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:68`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/start` — emit + +A workflow run started — the script's meta block validated, the body about to execute. Paired with Events['workflow/end']. + +```ts cordis-catalog +'workflow/start'(info: WorkflowRunInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:60`](../../packages/workflow/workflow/src/index.ts) + ## Inherited events (cordis core + loader/hmr/timer) The framework events every plugin also sees, beyond the harness vocabulary above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the page is a complete picture of the event bus, without elevating framework internals to the harness tier's prominence. diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 951e182000..c1f67c0725 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -227,6 +227,22 @@ async fetch(request: WebFetchRequest, exec?: WebExecContext): Promise + cancel(reason?: string): void + dispose(): Promise +} +``` + +## Failure discipline: `WorkflowError.fatal` + +Hook misuse inside a script — bad arguments, unknown/deferred `agent()` options, a schema outside the [structured-output subset](../../packages/core/tools/README.md), a tripped cap, a seam start failure, cancellation — throws a `WorkflowError` with `fatal: true`. The `parallel()`/`pipeline()` combinators RE-THROW fatal errors instead of mapping the item to `null`: a typo'd option must kill the script loudly, never dissolve into something that reads as an ordinary child failure. The per-item `null` is reserved for child-run failures (a non-`completed` stop reason) and ordinary in-stage script errors. + +## Events + +The `workflow/*` events (`workflow/start`, `workflow/phase`, `workflow/log`, `workflow/agent-start`, `workflow/agent-end`, `workflow/end` — see the [events catalog](../cordis-catalog/events.md)) are **observe-only** emits carrying DATA SNAPSHOTS: every payload starts with `WorkflowRunInfo` (id + meta), never the live `WorkflowRun`, so a subscriber cannot gain `cancel`/`dispose`, and `workflow/end` deliberately omits the result value (a listener observing outcomes must not receive a mutable alias of the caller's result). Every emit is per-listener contained — a throwing subscriber is logged, never propagated, and cannot starve the listeners registered after it — mirroring `subagent/start`/`subagent/end`. diff --git a/docs/module-graph.md b/docs/module-graph.md index e8f1edfaa5..cdb51ef1cc 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -48,6 +48,9 @@ graph TD tools --> agent tools --> llm tools --> system-prompt + workflow --> agent + workflow --> brand + workflow --> llm acp --> agent acp --> llm acp --> session @@ -83,6 +86,10 @@ graph TD tool-web --> system-prompt tool-web --> tools tool-web --> web + tool-workflow --> agent + tool-workflow --> llm + tool-workflow --> tools + tool-workflow --> workflow agent-core --> agent agent-core --> agent-loop agent-core --> invariants @@ -112,6 +119,12 @@ graph TD tool-subagent --> llm tool-subagent --> subagent tool-subagent --> tools + workflow-vm --> agent + workflow-vm --> brand + workflow-vm --> llm + workflow-vm --> subagent + workflow-vm --> tools + workflow-vm --> workflow acp-agent --> acp acp-agent --> agent-core acp-agent --> app-boot @@ -159,6 +172,7 @@ graph TD | `session-persistence-jsonl` | `session`, `session-persistence` | | `session-persistence-sqlite` | `session`, `session-persistence` | | `tools` | `agent`, `llm`, `system-prompt` | +| `workflow` | `agent`, `brand`, `llm` | | `acp` | `agent`, `llm`, `session`, `session-persistence`, `tools` | | `agent-loop` | `agent`, `llm`, `session`, `session-persistence`, `system-prompt`, `tools` | | `hooks-codex` | `agent`, `hook-protocol`, `llm`, `session`, `tools` | @@ -167,12 +181,14 @@ graph TD | `tool-fs` | `fs`, `llm`, `session`, `system-prompt`, `tools` | | `tool-todo` | `agent`, `session`, `tools` | | `tool-web` | `llm`, `system-prompt`, `tools`, `web` | +| `tool-workflow` | `agent`, `llm`, `tools`, `workflow` | | `agent-core` | `agent`, `agent-loop`, `invariants`, `llm`, `session`, `system-prompt`, `tool-bash`, `tools` | | `hooks-claude` | `agent`, `hook-protocol`, `llm`, `session`, `subagent`, `tools` | | `subagent-acp` | `agent`, `llm`, `subagent` | | `subagent-inprocess` | `agent`, `llm`, `session`, `subagent`, `tools` | | `subagent-mock` | `agent`, `llm`, `subagent` | | `tool-subagent` | `agent`, `llm`, `subagent`, `tools` | +| `workflow-vm` | `agent`, `brand`, `llm`, `subagent`, `tools`, `workflow` | | `acp-agent` | `acp`, `agent-core`, `app-boot`, `session-persistence-jsonl` | | `stdio-agent` | `agent`, `agent-core`, `app-boot`, `llm`, `session`, `session-persistence-jsonl` | | `subagent-fork` | `agent`, `session`, `subagent`, `subagent-inprocess` | diff --git a/docs/rfc/README.md b/docs/rfc/README.md index 54fdd5de70..12dd2715bd 100644 --- a/docs/rfc/README.md +++ b/docs/rfc/README.md @@ -95,6 +95,7 @@ Do NOT write one for a mechanical or local choice (a variable name, a one-file r | [dsh-hook-protocol — the shared Claude Code / Codex hook wire-protocol core](implemented/feature/2026-06-30-hook-protocol-lib.md) | 2026-06-30 | | [Interception seams — the typed-Decision surface a hook programs against](implemented/feature/2026-06-30-interception-seams.md) | 2026-06-30 | | [Subagent lifecycle enrichment — lastAssistantMessage (observe-only)](implemented/feature/2026-06-30-subagent-observe-enrich.md) | 2026-06-30 | +| [Dynamic workflows — a script-driven multi-agent orchestration seam](implemented/feature/2026-07-05-dynamic-workflows.md) | 2026-07-05 | ### Simplification diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md new file mode 100644 index 0000000000..372fce8f9a --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -0,0 +1,58 @@ +# RFC: Dynamic workflows — a script-driven multi-agent orchestration seam + +- **Status**: implemented +- **Class**: feature +- **First proposed**: 2026-07-05 + +## Problem + +The harness can delegate ONE task to ONE child (`dsh-tool-subagent`), but work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — forces the model to orchestrate turn by turn: every intermediate result lands in the parent context, the plan lives nowhere durable, and coordination costs a model round-trip per step. Claude Code ships this capability as [dynamic workflows](https://code.claude.com/docs/en/workflows): the model writes a JavaScript orchestration script, a runtime executes it, and the script — not the conversation — holds the loop, the branching, and the intermediate results. + +## Proposal + +A workflow capability family at `packages/workflow/` in the bash seam shape (interface / implementation / consumer), plus the structured-output foundation it needs on the subagent seam. + +### The script contract (Claude Code-compatible) + +A script is `export const meta = {...}` (a PURE object literal: `name`, `description`, optional `whenToUse`/`phases`) followed by a plain-JS body with top-level `await`, ending in `return `. The body sees exactly: `agent(prompt, {label, phase, schema, model})`, `parallel(thunks)`, `pipeline(items, ...stages)` (NO cross-stage barrier; `(prev, item, index)` callbacks), `phase(title)`, `log(message)`, and `args`. CC semantics are preserved where they matter to script authors: a failed child resolves `null` (scripts `.filter(Boolean)`); an ordinary stage throw nulls the ITEM and skips its remaining stages; `Date.now()`/`Math.random()`/argless `new Date()` throw (kept banned so future resume support cannot break script compatibility). + +One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferred options (`effort`/`isolation`/`agentType`), malformed arguments, schemas outside the supported subset, tripped caps, seam start failures — throws a `WorkflowError` with `fatal: true`, and the combinators RE-THROW fatal errors instead of nulling the item. Without this, a typo'd option dissolves into a `null` indistinguishable from a child failure — the accepted-then-ignored failure mode this repo bans. One addition: the tool's `args` parameter is a JSON OBJECT (a bare list is wrapped as a field) so the wire schema stays honest. + +### The seam (dsh-workflow) + +`ctx.workflows` is an abstract `WorkflowService` in the bash shape — one engine per context, no named-provider registry (engines are deployment swaps, not co-residents). `start(request)` throws synchronously for a script that cannot begin; a returned `WorkflowRun`'s `result` NEVER rejects (failures resolve as `stopReason: 'error' | 'cancelled'`). The `workflow/*` events are observe-only emits carrying DATA SNAPSHOTS (id + meta; `workflow/end` omits the result value), per-listener contained, mirroring `subagent/start`/`subagent/end` — control stays with the run's holder. Vocabulary details: [core-data-structures/workflow.md](../../../core-data-structures/workflow.md). + +### The engine (dsh-workflow-vm): in-process node:vm + +**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Scripts are model-written — the same trust level as the model's existing bash access — so genuine sandboxing is not the current requirement. The interface/implementation split exists precisely so a hardened engine can swap in later. Accepted, documented limitations: vm is not a security boundary, and the vm timeout covers only the initial synchronous slice — a pathological synchronous spin after the first await cannot be killed in-process; `dispose()` cancels, waits a bounded grace, then abandons. + +**Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. + +**Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm (`args`, `agent()` results) are rebuilt INSIDE the realm via the context's own `JSON.parse`, so the script never holds a live host-prototype object. Realm functions (stages, thunks) are called, never materialized. + +**Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. + +### The consumer (dsh-tool-workflow) + +A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, await, `try/finally` dispose, abort-bridge `exec.signal`, non-`completed` → `isError`. Render intent: a `generic` card titled by a textual `meta.name` sniff (presentation is a pure function of args). The tool description IS the model-facing authoring spec. Examples load it with guidance to use workflows only on explicit user request — the harness has no ultracode-style effort gate. + +### The foundation: structured output on the subagent seam + +`agent({schema})` needs `SubagentStartRequest.outputSchema` to actually work; it was vocabulary without an implementation (`outputSchema: false` everywhere). Implemented in `dsh-subagent-inprocess` for both in-process backends: a globally registered `structured_output` capture tool whose per-child schema is enforced by a `prepend: true` `agent/request` listener doing FINAL-REQUEST enforcement (post-processing `await next()` — cooperative mutation would not survive a downstream listener returning a replacement request), an `agent/turn-continuation` veto after capture (no wasted extra model step), validation-retry in-turn via `ToolArgsError`, and a clean-finish nudge loop (`structuredNudgeRetries`). Lifetime is refcounted by backends (plugin lifetime) AND live runs (start → settle). The seam's `outputSchema` type became the raw JSON-Schema SUBSET (`StructuredOutputSchema` in dsh-tools: single-string `type`, `properties`/`required`/`additionalProperties`, `items`, scalar `enum`/`const`; anything unenforced is rejected loud) — the schema travels verbatim to the model as the forced tool's parameters, so the wire format, not the author DSL, is the right vocabulary. + +## What was rejected + +- **Background execution as the default** (CC's shape): deferred; foreground-synchronous matches `dsh-tool-subagent`'s cut, and background semantics should be designed ONCE across bash/subagent/workflow rather than per-tool. +- **Workflow-layer JSON parsing for `agent({schema})`**: duplicating a seam concern at one consumer while the seam's capability flag stayed dishonestly `false`. +- **Meta as tool parameters instead of `export const meta`**: zero parsing, but scripts stop being self-contained artifacts and CC-authored scripts stop being drop-in. +- **`SchemaSpec` as the outputSchema type**: the author-facing DSL cannot express what arrives as data and cannot be validated against without conversion loss. + +## Deferred (documented non-goals of this cut) + +- **Background collection** (start tool → run id → completion notice → collect), designed alongside bash/subagent background unification. +- **Journaling + resume** (`resumeFromRunId`, cached agent() prefixes) — the determinism bans already keep scripts resume-compatible. +- **Saved/bundled workflows** (a `.deepseek/workflows/` registry, slash-command surface) and **script persistence to a run directory** (the tool-call event already records the script durably). +- **Nested `workflow()`**, **token `budget`**, and the `effort`/`isolation`/`agentType` agent options (each rejects loud with a message naming it deferred). +- **Engine hardening**: a worker-thread or isolated-vm engine behind the same seam (kills synchronous spins; adds memory limits). +- **ACP progress UI** over the `workflow/*` events (a `/workflows`-style view); the events exist for it. +- **ACP-backend structured output** and **`toolFilter`** (both still capability-gated `false`). diff --git a/docs/tool-catalog/tools.md b/docs/tool-catalog/tools.md index b1218c3871..9a2d3603f3 100644 --- a/docs/tool-catalog/tools.md +++ b/docs/tool-catalog/tools.md @@ -260,6 +260,45 @@ Record and update a structured task list for the current work. Send the ENTIRE l Source: [`packages/todo/tool-todo/src/index.ts`](../../packages/todo/tool-todo/src/index.ts) +## `@deepseek-ai/dsh-tool-workflow` + +### `workflow` + +Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. + +The script MUST begin with `export const meta = {...}` — a PURE object literal (no variables, calls, or template interpolation) with required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. + +Script-body hooks: +- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. +- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. +- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. +- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. + +Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. + +Constraints: concurrency and total-agent caps apply; `Date.now()`, `Math.random()`, and argless `new Date()` throw (pass timestamps via `args`); no filesystem, network, timers, or Node.js APIs — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. + +```json +{ + "type": "object", + "properties": { + "script": { + "type": "string", + "description": "The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `)." + }, + "args": { + "type": "object", + "description": "Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})." + } + }, + "required": [ + "script" + ] +} +``` + +Source: [`packages/workflow/tool-workflow/src/index.ts`](../../packages/workflow/tool-workflow/src/index.ts) + ## `@deepseek-ai/dsh-tool-web` ### `web_fetch` diff --git a/examples/acp-agent/cordis.yml b/examples/acp-agent/cordis.yml index 01849bb66e..665a6c2071 100644 --- a/examples/acp-agent/cordis.yml +++ b/examples/acp-agent/cordis.yml @@ -56,6 +56,12 @@ subagent_fork instead when the subtask needs THIS conversation's context: the child inherits the log so far. + Use the workflow tool ONLY when the user explicitly asks for a + workflow or for large multi-agent orchestration: you write a + JavaScript script (its description documents the exact format) that + fans work out across many subagents with phases and structured + results. For one or two delegations, prefer plain subagent calls. + For multi-step work, use the todo_write tool to track a task list: send the WHOLE list each call (it replaces the previous one), keep at most one task in_progress (exactly one while work remains), and mark a @@ -93,6 +99,18 @@ provider: fork toolName: subagent_fork + +# Dynamic workflows: the node:vm engine (ctx.workflows) over the spawn subagent +# backend above, plus the model-facing `workflow` tool. The model writes a +# JavaScript orchestration script (meta + body); the engine runs it in-process +# and fans agent() calls out as spawn children. +- id: workflow-vm + name: '@deepseek-ai/dsh-workflow-vm' + config: + provider: spawn + +- id: tool-workflow + name: '@deepseek-ai/dsh-tool-workflow' # The model-facing todo_write tool: whole-list task tracking written to the # session log (todo/write), surfaced to the ACP client as a `plan` update. - id: tool-todo diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts index 65d2dee9da..5eab642fe4 100644 --- a/examples/acp-agent/tests/acp.snapshot.ts +++ b/examples/acp-agent/tests/acp.snapshot.ts @@ -78,6 +78,10 @@ const SCENARIOS: Scenario[] = [ { name: 'subagent-multi', hasModelTurn: true, recorded: true, childSessions: 2 }, { name: 'subagent-fork', hasModelTurn: true, recorded: true, childSessions: 1 }, { name: 'subagent-mixed', hasModelTurn: true, recorded: true, childSessions: 2 }, + // The workflow tool: the model writes a one-child orchestration script; the + // child runs as a spawn subagent inside the vm engine (its session is the + // child fixture), and the tool result carries the script's return value. + { name: 'workflow-run', hasModelTurn: true, recorded: true, childSessions: 1 }, // Hook matrix — one scenario per hook point × its headline Decision outcome, // across BOTH bridges (Claude `hooks.json`, Codex `codex-hooks.json`, seeded in // workspace/). The block scenarios need no model call: a UserPromptSubmit hook diff --git a/examples/acp-agent/tests/snapshots/workflow-run/input.json b/examples/acp-agent/tests/snapshots/workflow-run/input.json new file mode 100644 index 0000000000..2c402dc49e --- /dev/null +++ b/examples/acp-agent/tests/snapshots/workflow-run/input.json @@ -0,0 +1,7 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "prompt", "text": "Use the workflow tool exactly once, with args omitted and this EXACT script (copy it verbatim):\nexport const meta = { name: 'snapshot-flow', description: 'one child for the snapshot' }\nphase('Run')\nconst reply = await agent('Reply with exactly the word WF_CHILD_OK and nothing else.')\nreturn { reply }\nAfter the workflow returns, reply with the single word WORKFLOW_DONE and stop. Do not use any other tool." } + ] +} diff --git a/examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl b/examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl new file mode 100644 index 0000000000..de6616fe9b --- /dev/null +++ b/examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl @@ -0,0 +1,37 @@ +{"type":"session","version":0,"id":"d6d69d2a-3933-445f-a84d-d8c1b941f5ce","createdAt":1783227490354,"cwd":"/tmp/acp-snap-cwd-I14oAK","parentSession":"fe74cfdb-40b4-45bd-b6fe-efd2b244c415"} +{"type":"turn/start","seq":0,"time":1783227490354,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783227490354,"data":{"content":[{"type":"text","text":"Reply with exactly the word WF_CHILD_OK and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783227490355,"data":{"turn":1,"step":1}} 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else."},{"type":"text","text":"WF_CHILD_OK"}],"usage":{"inputTokens":2707,"outputTokens":25,"cacheReadTokens":0,"reasoningTokens":20}},"sourceEventSeqs":[3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32],"surfaceOp":"append"} +{"type":"step/end","seq":34,"time":1783227491367,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":35,"time":1783227491367,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/workflow-run/session.jsonl b/examples/acp-agent/tests/snapshots/workflow-run/session.jsonl new file mode 100644 index 0000000000..9509032af2 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/workflow-run/session.jsonl @@ -0,0 +1,152 @@ +{"type":"session","version":0,"id":"fe74cfdb-40b4-45bd-b6fe-efd2b244c415","createdAt":1783227488560,"cwd":"/tmp/acp-snap-cwd-I14oAK"} +{"type":"turn/start","seq":0,"time":1783227488563,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" and"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" then"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"WORK"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"FL"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"OW"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_D"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ONE"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" after"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" it"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" returns"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_OvqFfefZ8c0hnuo9Eq9f8866","title":"workflow: snapshot-flow","kind":"other","status":"in_progress","rawInput":"export const meta = { name: 'snapshot-flow', description: 'one child for the snapshot' }\nphase('Run')\nconst reply = await agent('Reply with exactly the word WF_CHILD_OK and nothing else.')\nreturn { reply }"}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_OvqFfefZ8c0hnuo9Eq9f8866","status":"completed","content":[{"type":"content","content":{"type":"text","text":"workflow \"snapshot-flow\" completed (1 agent).\nReturn value:\n{\n \"reply\": \"WF_CHILD_OK\"\n}"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" workflow"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" returned"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" successfully"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"WF"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_CH"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ILD"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_OK"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" Now"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" I"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" need"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" to"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" single"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" word"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"WORK"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"FL"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"OW"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_D"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ONE"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" and"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" stop"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"WORK"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"FL"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"OW"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"_D"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"ONE"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/coding-agent/cordis.yml b/examples/coding-agent/cordis.yml index 0c95299fca..f6f56cb57d 100644 --- a/examples/coding-agent/cordis.yml +++ b/examples/coding-agent/cordis.yml @@ -46,7 +46,7 @@ # under ./.sessions); unset starts a fresh session each run. resumeSessionId: !!js process.env.RESUME_SESSION_ID persistenceRoot: './.sessions' - welcome: 'agent REPL ready. Give it a coding task (its tools are read, write, edit, bash, subagent, and todo_write).' + welcome: 'agent REPL ready. Give it a coding task (its tools are read, write, edit, bash, subagent, workflow, and todo_write).' systemPrompt: | You are coding-agent, a CLI coding assistant. @@ -64,6 +64,12 @@ subagent_fork instead when the subtask needs THIS conversation's context: the child inherits the log so far. + Use the workflow tool ONLY when the user explicitly asks for a + workflow or for large multi-agent orchestration: you write a + JavaScript script (its description documents the exact format) that + fans work out across many subagents with phases and structured + results. For one or two delegations, prefer plain subagent calls. + Check the [exit code: N] marker on every command; investigate failures before moving on. Verify your work by running the code or tests. Keep answers brief and factual. @@ -120,6 +126,18 @@ provider: fork toolName: subagent_fork + +# Dynamic workflows: the node:vm engine (ctx.workflows) over the spawn subagent +# backend above, plus the model-facing `workflow` tool. The model writes a +# JavaScript orchestration script (meta + body); the engine runs it in-process +# and fans agent() calls out as spawn children. +- id: workflow-vm + name: '@deepseek-ai/dsh-workflow-vm' + config: + provider: spawn + +- id: tool-workflow + name: '@deepseek-ai/dsh-tool-workflow' # The model-facing todo_write tool: whole-list task tracking written to the # session log (todo/write), rendered as a stdio checklist / ACP plan. - id: tool-todo diff --git a/knip.json b/knip.json index 5e61645458..39fb4c414f 100644 --- a/knip.json +++ b/knip.json @@ -1,7 +1,11 @@ { "$schema": "https://unpkg.com/knip@5/schema.json", - "exclude": ["duplicates"], - "ignoreWorkspaces": ["vendor/*"], + "exclude": [ + "duplicates" + ], + "ignoreWorkspaces": [ + "vendor/*" + ], "workspaces": { ".": { "entry": [ @@ -11,55 +15,138 @@ "examples/acp-agent/tests/**/*.e2e.ts", "examples/acp-agent/tests/**/*.snapshot.ts" ], - "project": ["scripts/**/*.ts", "examples/**/*.ts"] + "project": [ + "scripts/**/*.ts", + "examples/**/*.ts" + ] }, "packages/*/*": { - "entry": ["tests/**/*.spec.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/util/brand": { - "project": ["src/**/*.ts"], - "ignoreDependencies": ["cordis"] + "project": [ + "src/**/*.ts" + ], + "ignoreDependencies": [ + "cordis" + ] }, "packages/llm/llm-deepseek": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/llm/llm-pi-ai": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/web/web-search-exa": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/web/web-search-perplexity": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/web/web-search-deepseek": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/ui/acp-agent": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/ui/stdio-agent": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/subagent/subagent-spawn": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/subagent/subagent-acp": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts", "tests/mock-acp-server.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts", + "tests/mock-acp-server.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] }, "packages/fs/tool-fs": { - "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] + }, + "packages/workflow/workflow-vm": { + "entry": [ + "tests/**/*.spec.ts", + "tests/**/*.e2e.ts" + ], + "project": [ + "src/**/*.ts", + "tests/**/*.ts" + ] } } } diff --git a/packages/README.md b/packages/README.md index f07e0d5a36..3c38eda671 100644 --- a/packages/README.md +++ b/packages/README.md @@ -14,6 +14,7 @@ Packages are grouped by modular role at `packages///`. The group dir | [`fs/`](fs/README.md) | Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools | Product — stable surface | | [`compact/`](compact/README.md) | Compaction capability family: the abstract seam + a basic backend (tool deferred) | Product — stable surface | | [`subagent/`](subagent/README.md) | Subagent capability family: the provider-registry seam and the model-facing delegation tool | Product — stable surface | +| [`workflow/`](workflow/README.md) | Workflow capability family: the script-engine seam, the node:vm engine, and the model-facing `workflow` tool | Product — stable surface | | [`web/`](web/README.md) | Web capability family: the abstract seam, search/fetch provider impls, and the model-facing web tools | Product — stable surface | | [`todo/`](todo/README.md) | Todo/planning family: the model-facing `todo_write` tool (whole-list task tracking on the session log) | Product — stable surface | | [`hooks/`](hooks/README.md) | Hook bridges + the shared Claude Code / Codex wire-protocol library | Product — stable surface | diff --git a/packages/core/tools/tests/gen-tool-catalog.spec.ts b/packages/core/tools/tests/gen-tool-catalog.spec.ts index 05236dd322..874f697797 100644 --- a/packages/core/tools/tests/gen-tool-catalog.spec.ts +++ b/packages/core/tools/tests/gen-tool-catalog.spec.ts @@ -35,7 +35,7 @@ describe('gen-tool-catalog collectToolCatalog', () => { it('boots every shipped tool package and harvests its model-facing schemas', async () => { const catalog = await collectToolCatalog() const names = catalog.flatMap(entry => entry.schemas.map(s => s.name)).sort() - expect(names).toEqual(['bash', 'bash_kill', 'bash_output', 'edit', 'read', 'subagent', 'todo_write', 'web_fetch', 'web_search', 'write']) + expect(names).toEqual(['bash', 'bash_kill', 'bash_output', 'edit', 'read', 'subagent', 'todo_write', 'web_fetch', 'web_search', 'workflow', 'write']) // Every tool carries a JSON-Schema `parameters` object (what the model sees). for (const entry of catalog) { for (const schema of entry.schemas) { diff --git a/packages/subagent/subagent-inprocess/package.json b/packages/subagent/subagent-inprocess/package.json index 41c46e00d3..9a53dd61f4 100644 --- a/packages/subagent/subagent-inprocess/package.json +++ b/packages/subagent/subagent-inprocess/package.json @@ -36,6 +36,8 @@ "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-subagent": "workspace:^", + "@deepseek-ai/dsh-subagent-fork": "workspace:^", + "@deepseek-ai/dsh-subagent-spawn": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "cordis": "^4.0.0-rc.6" diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts index 643000de2c..0a92c15fa8 100644 --- a/packages/subagent/subagent-inprocess/tests/structured.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts @@ -10,8 +10,8 @@ import * as Invariants from '@deepseek-ai/dsh-invariants' import SubagentService, { type SubagentStartRequest } from '@deepseek-ai/dsh-subagent' import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' -import * as spawn from '../../subagent-spawn/src/index.ts' -import * as fork from '../../subagent-fork/src/index.ts' +import * as spawn from '@deepseek-ai/dsh-subagent-spawn' +import * as fork from '@deepseek-ai/dsh-subagent-fork' import { acquireStructuredRuntime, STRUCTURED_OUTPUT_INSTRUCTION, diff --git a/packages/workflow/README.md b/packages/workflow/README.md new file mode 100644 index 0000000000..f28a325ea8 --- /dev/null +++ b/packages/workflow/README.md @@ -0,0 +1,13 @@ +# workflow/ — dynamic-workflow capability family + +The workflow seam: a model-written JavaScript orchestration script that fans out subagents at scale (phases, structured per-agent results, concurrency caps), modeled on Claude Code's dynamic workflows. A capability seam (see [capability seams](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)) in the bash shape: ONE engine implementation per context registers as `ctx.workflows`; the model-facing tool consumes it. + +| Package | Role | ctx key | +|---|---|---| +| `workflow/` | Abstract workflow seam: service base class + run vocabulary + `workflow/*` events | `ctx.workflows` | +| `workflow-vm/` | In-process `node:vm` engine: parses the script, injects the hooks, drives `ctx.subagents` | (provides `ctx.workflows`) | +| `tool-workflow/` | Model-facing `workflow` tool over `ctx.workflows` | (registers on `ctx.tools`) | + +The interface lives at `workflow/workflow/`. The engine's `agent()` hook rides the [subagent seam](../subagent/README.md) (any registered provider; the shipped examples use `spawn`), and `agent({ schema })` rides the structured-output support the in-process backends implement. The seam split exists for engine hardening: `node:vm` is in-process and cannot kill a pathological synchronous spin — a worker-thread or isolated-vm engine swaps in behind the same interface if that ever matters. + +The proposal, decisions, and deferred work: [docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md](../../docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md). diff --git a/packages/workflow/tool-workflow/README.md b/packages/workflow/tool-workflow/README.md new file mode 100644 index 0000000000..4cd86fb43b --- /dev/null +++ b/packages/workflow/tool-workflow/README.md @@ -0,0 +1,22 @@ +# @deepseek-ai/dsh-tool-workflow + +The model-facing **`workflow` tool**: run a JavaScript orchestration script that fans out subagents, and return the script's final value. Pure schema + lifecycle shaping over [`ctx.workflows`](../workflow/README.md) — script parsing, execution, caps, and cancellation live behind the seam, so a hardened engine swaps in without touching what the model sees. + +## What the model sees + +Two parameters: `script` (required — the full `export const meta = {...}` + body text; the tool DESCRIPTION carries the complete authoring contract: hooks, semantics, determinism bans, the supported schema subset) and `args` (optional JSON object exposed to the script as the `args` global; a bare list is wrapped as a field, a deliberate deviation from Claude Code's any-JSON `args` so the wire schema stays honest). + +## Lifecycle + +Collection is SYNCHRONOUS this cut (like [`dsh-tool-subagent`](../../subagent/tool-subagent/README.md)): `execute` starts a run and awaits `run.result` inside a `try/finally` that always disposes the run, so the script and its children reach quiescence on every path. `exec.signal` is bridged to `run.cancel()` (including the already-aborted-before-start case). A non-`completed` stop reason maps to an `isError` result reporting the reason — never partial output as success; a parse/meta failure thrown synchronously by `start()` becomes an `isError` the model can correct from. The completed result renders the meta name, the agent count, and the return value as JSON, truncated at `maxResultChars` with an explicit notice. + +## Render intent + +Decided up front (per the [render-intent RFC](../../../docs/rfc/implemented/architecture/2026-07-02-tool-render-intent-union.md)): a `generic` card titled `workflow: `, the name sniffed TEXTUALLY from `args.script` (presentation must be a pure function of args, so it cannot ask the engine to parse); the script text rides as `rawInput`. The result keeps the generic card. + +## Config + +| Key | Default | Meaning | +|---|---|---| +| `toolName` | `workflow` | The model-facing tool name to register. | +| `maxResultChars` | `50000` | Rendered-result ceiling; longer JSON is truncated with a notice. | diff --git a/packages/workflow/tool-workflow/package.json b/packages/workflow/tool-workflow/package.json new file mode 100644 index 0000000000..9c3f819cb5 --- /dev/null +++ b/packages/workflow/tool-workflow/package.json @@ -0,0 +1,43 @@ +{ + "name": "@deepseek-ai/dsh-tool-workflow", + "description": "Model-facing workflow tool: run a JavaScript orchestration script over ctx.workflows", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "@deepseek-ai/dsh-workflow": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-workflow": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/workflow/tool-workflow/src/index.ts b/packages/workflow/tool-workflow/src/index.ts new file mode 100644 index 0000000000..eeed5c9dbe --- /dev/null +++ b/packages/workflow/tool-workflow/src/index.ts @@ -0,0 +1,179 @@ +/** + * The model-facing `workflow` tool: run a JavaScript orchestration script that + * fans out subagents, and return the script's final value. Pure schema + + * lifecycle shaping — script parsing, execution, caps, and cancellation live + * behind `ctx.workflows` (`@deepseek-ai/dsh-workflow`), so a hardened engine + * swaps in without touching what the model sees. + * + * Collection is SYNCHRONOUS this cut (like `dsh-tool-subagent`): `execute` + * starts a run and awaits `run.result` inside a `try/finally` that always + * disposes the run, so the script and its children are torn down on every + * path. A non-`completed` stop reason maps to an `isError` tool result (by + * throwing) rather than returning partial output as success. Background + * collection is deferred to the cross-tool background redesign. + * + * Render intent (decided up front, per the render-intent RFC): a `generic` + * card whose title carries the script's `meta.name`, sniffed textually from + * the args — presentation must be a pure function of `args`, so it cannot ask + * the engine to parse. + * + * @module @deepseek-ai/dsh-tool-workflow + */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { defineTool } from '@deepseek-ai/dsh-tools' +import type { ToolCallView, ToolResultView } from '@deepseek-ai/dsh-tools' +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import type { WorkflowResult, WorkflowRun } from '@deepseek-ai/dsh-workflow' + +export const name = 'tool-workflow' +export const inject = ['tools', 'workflows'] + +/** Config: the model-facing tool name plus result rendering caps. */ +export interface Config { + /** The model-facing tool name to register (default `workflow`). */ + toolName?: string + /** Rendered-result ceiling, in characters: a longer JSON value is truncated with a notice (default 50000). */ + maxResultChars?: number +} + +export const Config: z = z.object({ + toolName: z.string().default('workflow'), + maxResultChars: z.natural().min(1).default(50_000), +}) + +/** + * The script-authoring contract, embedded in the tool description. This IS the + * model-facing spec: the meta block, the hooks and their exact semantics, the + * determinism bans, and the supported schema subset. + */ +const DESCRIPTION = `Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. + +The script MUST begin with \`export const meta = {...}\` — a PURE object literal (no variables, calls, or template interpolation) with required \`name\` (short kebab-case) and \`description\` strings, optional \`whenToUse\` string and \`phases\` array (\`{title, detail?, model?}\`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with \`return \` — the value must be JSON-serializable and is this tool's result. + +Script-body hooks: +- \`agent(prompt, opts?): Promise\` — run one subagent to completion. Without \`opts.schema\` it resolves to the child's final text; with \`opts.schema\` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves \`null\` when the child fails (filter with \`.filter(Boolean)\`). Other opts: \`label\` (display), \`phase\` (progress group), \`model\` (override). Anything else (\`effort\`/\`isolation\`/\`agentType\`) is rejected loudly. +- \`pipeline(items, ...stages): Promise\` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives \`(prev, item, index)\`. An ordinary stage throw drops that ITEM to \`null\` and skips its remaining stages. +- \`parallel(thunks): Promise\` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to \`null\`. +- \`phase(title)\` — start a progress phase; \`log(message)\` — narrate progress; \`args\` — the tool call's \`args\` input, verbatim. + +Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item \`null\`. + +Constraints: concurrency and total-agent caps apply; \`Date.now()\`, \`Math.random()\`, and argless \`new Date()\` throw (pass timestamps via \`args\`); no filesystem, network, timers, or Node.js APIs — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.` + +type WorkflowCallArgs = { script: string; args?: Record } + +/** Best-effort meta.name sniff for presentation (pure textual; no evaluation). */ +function sniffMetaName(script: string): string | undefined { + const match = /export\s+const\s+meta\s*=\s*\{[^{}]*?name\s*:\s*(['"`])([^'"`\n]{1,64})\1/.exec(script) + return match?.[2] +} + +/** The pending-state card: a generic card titled by the script's meta name. */ +function presentWorkflowCall(args: WorkflowCallArgs): ToolCallView { + const name = sniffMetaName(args.script) + return { + card: 'generic', + title: name !== undefined ? `workflow: ${name}` : 'workflow', + rawInput: args.script, + } +} + +/** The completed-state card: keep the pending title; render the result content as-is. */ +function presentWorkflowResult(args: WorkflowCallArgs, result: { content: ContentBlock[]; isError: boolean }): ToolResultView { + void args + void result + return { card: 'generic' } +} + +/** A non-`completed` stop reason means the script did not finish cleanly. */ +function stopReasonError(result: WorkflowResult): string | undefined { + switch (result.stopReason) { + case 'completed': + return undefined + case 'cancelled': + return `workflow run was cancelled${result.error !== undefined ? ` (${result.error})` : ''}` + case 'error': + return `workflow run failed: ${result.error ?? 'unknown error'}` + /* v8 ignore start -- defensive: WorkflowStopReason is a closed union, exhaustive by construction; a future variant fails here loudly */ + default: + return `workflow run ended abnormally (${String(result.stopReason satisfies never)})` + /* v8 ignore stop */ + } +} + +/** Render the run's outcome text: the meta name, agent count, and the JSON value (capped). */ +function renderResult(run: WorkflowRun, result: WorkflowResult, maxChars: number): string { + // The engine returns JSON data (null for a valueless script), so stringify never yields undefined. + const rendered = JSON.stringify(result.value, null, 2) + const clipped = rendered.length > maxChars + ? `${rendered.slice(0, maxChars)}\n… [truncated: ${rendered.length - maxChars} more characters]` + : rendered + return `workflow "${run.meta.name}" completed (${result.agentsStarted} agent${result.agentsStarted === 1 ? '' : 's'}).\nReturn value:\n${clipped}` +} + +export function apply(ctx: Context, config: Config): void { + const maxResultChars = config.maxResultChars ?? 50_000 + ctx.tools.register(defineTool({ + name: config.toolName ?? 'workflow', + description: DESCRIPTION, + parameters: { + script: { + type: 'string', + required: true, + description: 'The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `).', + }, + args: { + type: 'object', + description: 'Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {"files": [...]}).', + }, + }, + async execute(args, exec): Promise { + const parent = exec.agent + if (!parent) { + // The loop sets `exec.agent` for every model-driven call; its absence + // means a non-agent caller invoked the tool directly, which has no + // parent to attribute the children to. Fail loud rather than guess. + throw new Error('workflow tool requires a calling agent (exec.agent was undefined)') + } + + // Parse failures (SCRIPT_PARSE/META_INVALID) throw synchronously here + // and become isError results via the registry — the model sees the + // violation list and can correct the script. + const run: WorkflowRun = ctx.workflows.start({ + script: args.script, + ...args.args !== undefined ? { args: args.args } : {}, + parent, + ...exec.signal ? { signal: exec.signal } : {}, + }) + + // Bridge the tool's abort signal to the run: if the parent step is + // aborted while the script is in flight, cancel the whole run. The + // engine also receives `signal` directly, but an explicit bridge keeps + // the tool's contract local (and covers an engine that ignores it). + const onAbort = (): void => { run.cancel('parent step aborted') } + exec.signal?.addEventListener('abort', onAbort, { once: true }) + // `addEventListener` does NOT fire for a signal already aborted before + // this line — cancel explicitly in that case. + if (exec.signal?.aborted) run.cancel('parent step aborted') + + try { + const result = await run.result + const error = stopReasonError(result) + if (error !== undefined) { + // Map a non-clean finish to an isError result (the registry turns a + // throw into an isError). Report the reason, not partial output. + throw new Error(error) + } + return [{ type: 'text', text: renderResult(run, result, maxResultChars) }] + } finally { + exec.signal?.removeEventListener('abort', onAbort) + // Always reach run quiescence — never leak a live script or children. + await run.dispose() + } + }, + presentCall: args => presentWorkflowCall(args), + presentResult: (args, result) => presentWorkflowResult(args, result), + })) +} diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts new file mode 100644 index 0000000000..012fae4961 --- /dev/null +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -0,0 +1,224 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import Loader from '@cordisjs/plugin-loader' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import type { ToolExecutionResult } from '@deepseek-ai/dsh-tools' +import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { WorkflowRunId, WorkflowService } from '@deepseek-ai/dsh-workflow' +import type { WorkflowResult, WorkflowRun, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' +import { CallId } from '@deepseek-ai/dsh-llm' +import * as toolWorkflow from '../src/index.ts' + +/** A controllable engine standing in behind ctx.workflows (the tool's only seam). */ +class StubEngine extends WorkflowService { + requests: WorkflowStartRequest[] = [] + cancels: string[] = [] + disposed = 0 + settle!: (result: WorkflowResult) => void + startError: Error | undefined + + start(request: WorkflowStartRequest): WorkflowRun { + if (this.startError) throw this.startError + this.requests.push(request) + const result = new Promise((resolve) => { this.settle = resolve }) + request.signal?.addEventListener('abort', () => { + this.settle({ value: null, stopReason: 'cancelled', error: 'signal', agentsStarted: 0 }) + }, { once: true }) + return { + id: WorkflowRunId('run-1'), + meta: { name: 'stub-flow', description: 'd' }, + result, + cancel: (reason?: string) => { + this.cancels.push(reason ?? 'cancelled') + this.settle({ value: null, stopReason: 'cancelled', ...reason !== undefined ? { error: reason } : {}, agentsStarted: 0 }) + }, + dispose: () => { + this.disposed += 1 + return Promise.resolve() + }, + } + } +} + +async function setup(config?: { toolName?: string; maxResultChars?: number }) { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(StubEngine) + await ctx.plugin(toolWorkflow, config ?? {}) + const engine = ctx.workflows as StubEngine + const parent = { id: AgentId('caller'), options: {} } as unknown as Agent + return { ctx, engine, parent } +} + +const SCRIPT = "export const meta = { name: 'audit', description: 'd' }\nreturn 1" + +function execute(ctx: Context, args: unknown, extra?: { agent?: Agent; signal?: AbortSignal }): Promise { + return ctx.tools.execute({ + callId: CallId('call-1'), + name: 'workflow', + arguments: args, + ...extra?.agent ? { agent: extra.agent } : {}, + ...extra?.signal ? { signal: extra.signal } : {}, + }) +} + +describe('dsh-tool-workflow', () => { + it('starts a run with the script/args/parent/signal and renders the completed value', async () => { + const { ctx, engine, parent } = await setup() + const controller = new AbortController() + const pending = execute(ctx, { script: SCRIPT, args: { files: ['a.ts'] } }, { agent: parent, signal: controller.signal }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + expect(engine.requests[0]).toMatchObject({ script: SCRIPT, args: { files: ['a.ts'] }, parent }) + expect(engine.requests[0]!.signal).toBe(controller.signal) + engine.settle({ value: { findings: [1, 2] }, stopReason: 'completed', agentsStarted: 7 }) + const result = await pending + expect(result.isError).toBe(false) + const rendered = (result.content[0] as { text: string }).text + expect(rendered).toContain('workflow "stub-flow" completed (7 agents)') + expect(rendered).toContain('"findings"') + expect(engine.disposed).toBe(1) + }) + + it('maps a non-completed stop reason to an isError result (and still disposes)', async () => { + const { ctx, engine, parent } = await setup() + const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: null, stopReason: 'error', error: 'script threw: boom', agentsStarted: 2 }) + const result = await pending + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('workflow run failed: script threw: boom') + expect(engine.disposed).toBe(1) + }) + + it('reports a cancelled run distinctly (with and without a reason)', async () => { + const { ctx, engine, parent } = await setup() + const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: null, stopReason: 'cancelled', error: 'user', agentsStarted: 0 }) + const result = await pending + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('workflow run was cancelled (user)') + + const bare = execute(ctx, { script: SCRIPT }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(2) }) + engine.settle({ value: null, stopReason: 'cancelled', agentsStarted: 0 }) + expect(((await bare).content[0] as { text: string }).text.trim().endsWith('cancelled')).toBe(true) + }) + + it('an error result without a message renders the unknown-error fallback', async () => { + const { ctx, engine, parent } = await setup() + const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: null, stopReason: 'error', agentsStarted: 0 }) + expect(((await pending).content[0] as { text: string }).text).toContain('unknown error') + }) + + it('cancels the run when exec.signal aborts MID-FLIGHT (the abort bridge)', async () => { + const { ctx, engine, parent } = await setup() + const controller = new AbortController() + const pending = execute(ctx, { script: SCRIPT }, { agent: parent, signal: controller.signal }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + controller.abort() + const result = await pending + expect(result.isError).toBe(true) + expect(engine.cancels).toContain('parent step aborted') + expect(engine.disposed).toBe(1) + }) + + it('applies raw-config fallbacks when loaded without schemastery defaults (direct apply)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(StubEngine) + // Direct apply with an empty RAW config: the `??` fallbacks resolve the + // tool name and render cap without schemastery having filled them. + toolWorkflow.apply(ctx, {}) + expect(ctx.tools.get('workflow')).toBeDefined() + }) + + it('a synchronous engine start throw (parse/meta failure) becomes an isError result', async () => { + const { ctx, engine, parent } = await setup() + engine.startError = new Error('script must begin with `export const meta = {...}`') + const result = await execute(ctx, { script: 'nope' }, { agent: parent }) + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('must begin with') + }) + + it('requires a calling agent (fails loud without exec.agent)', async () => { + const { ctx, engine } = await setup() + const result = await execute(ctx, { script: SCRIPT }) + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('requires a calling agent') + expect(engine.requests.length).toBe(0) + }) + + it('validates its own arguments via the schema DSL (missing script)', async () => { + const { ctx, parent } = await setup() + const result = await execute(ctx, {}, { agent: parent }) + expect(result.isError).toBe(true) + expect(result.error?.code).toBe('INVALID_ARGS') + }) + + it('cancels the run when exec.signal is ALREADY aborted at call time', async () => { + const { ctx, engine, parent } = await setup() + const controller = new AbortController() + controller.abort() + const result = await execute(ctx, { script: SCRIPT }, { agent: parent, signal: controller.signal }) + expect(result.isError).toBe(true) + expect(engine.cancels).toContain('parent step aborted') + expect(engine.disposed).toBe(1) + }) + + it('truncates an oversized rendered value with a notice (maxResultChars)', async () => { + const { ctx, engine, parent } = await setup({ maxResultChars: 40 }) + const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: { blob: 'x'.repeat(500) }, stopReason: 'completed', agentsStarted: 1 }) + const rendered = ((await pending).content[0] as { text: string }).text + expect(rendered).toContain('[truncated:') + expect(rendered.length).toBeLessThan(400) + }) + + it('registers under a configured toolName and unregisters on fiber dispose (HMR safety)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(StubEngine) + const fiber = await ctx.plugin(toolWorkflow, { toolName: 'orchestrate' }) + expect(ctx.tools.get('orchestrate')).toBeDefined() + expect(ctx.tools.get('workflow')).toBeUndefined() + await fiber.dispose() + expect(ctx.tools.get('orchestrate')).toBeUndefined() + }) + + it('presents a generic pending card titled by the sniffed meta name, with the script as rawInput', async () => { + const { ctx } = await setup() + const tool = ctx.tools.get('workflow')! + const view = tool.presentCall!({ script: SCRIPT }) + expect(view).toMatchObject({ card: 'generic', title: 'workflow: audit', rawInput: SCRIPT }) + const anonymous = tool.presentCall!({ script: 'export const meta = {}\nreturn 1' }) + expect(anonymous).toMatchObject({ card: 'generic', title: 'workflow' }) + }) + + it('presentResult keeps the generic card; presentation is pure and replay-safe on malformed args', async () => { + const { ctx } = await setup() + const tool = ctx.tools.get('workflow')! + expect(tool.presentResult!({ script: SCRIPT }, { content: [], isError: false })).toEqual({ card: 'generic' }) + // defineTool soft-validates presentation args: a malformed logged shape + // falls back to undefined instead of throwing mid-replay. + expect(tool.presentCall!({ not: 'the schema' })).toBeUndefined() + }) + + it('has the namespace-plugin export shape (no stray default)', () => { + expect('default' in toolWorkflow).toBe(false) + expect(toolWorkflow.name).toBe('tool-workflow') + expect(toolWorkflow.inject).toEqual(['tools', 'workflows']) + const loader = Object.create(Loader.prototype) as Loader + const unwrapped = loader.unwrapExports(toolWorkflow) as Record + expect(unwrapped).toBe(toolWorkflow) + expect(typeof unwrapped.apply).toBe('function') + }) +}) diff --git a/packages/workflow/tool-workflow/tsconfig.json b/packages/workflow/tool-workflow/tsconfig.json new file mode 100644 index 0000000000..25f4d989f2 --- /dev/null +++ b/packages/workflow/tool-workflow/tsconfig.json @@ -0,0 +1,33 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../core/tools" + }, + { + "path": "../workflow" + } + ] +} diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md new file mode 100644 index 0000000000..1cbc76c250 --- /dev/null +++ b/packages/workflow/workflow-vm/README.md @@ -0,0 +1,30 @@ +# @deepseek-ai/dsh-workflow-vm + +The first [`WorkflowService`](../workflow/README.md) implementation: an in-process **`node:vm` engine**. It parses the Claude Code-format script (`export const meta = {...}` + plain-JS body), runs the body in a fresh vm context with the workflow hooks injected, and fans `agent()` calls out to [`ctx.subagents`](../../subagent/README.md). + +## The script contract it executes + +- **Meta extraction** (`extractMeta`): a string/comment-aware brace scanner finds the leading `export const meta` literal (template interpolation rejected — the literal must be pure), evaluates it ALONE in an empty timed vm context, materializes the result to plain JSON data, validates the shape (`name`/`description` required; unknown fields rejected loud), and blanks the statement line-preservingly so error stacks keep the script's own line numbers. +- **Hooks**: `agent(prompt, {label, phase, schema, model})` (schema = the [structured-output subset](../../core/tools/README.md), forwarded as `outputSchema`; result = validated object, or final text without a schema; a failed child resolves `null`), `parallel(thunks)`, `pipeline(items, ...stages)` with NO cross-stage barrier and `(prev, item, index)` stage callbacks, `phase(title)`, `log(message)`, and the `args` global. Anything else — `effort`/`isolation`/`agentType`, unknown options, malformed arguments, schemas outside the subset — throws a FATAL `WorkflowError` that `parallel`/`pipeline` re-throw rather than nulling (see the seam README's failure discipline). +- **Determinism bans**: `Date.now()`, `Math.random()`, and argless `new Date()` throw (kept even though resume is deferred, so scripts stay resume-compatible); no timers, filesystem, or Node APIs exist in the context. + +## Realm discipline + +Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a descriptor walk that never invokes accessors and rejects loud everything JSON cannot carry (accessors, exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values ENTERING the realm (`args`, `agent()` results) are rebuilt INSIDE the realm through the context's own `JSON.parse`, so the script never holds an object whose prototype chain reaches host intrinsics. + +## Limits, cancellation, disposal + +Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`. Once a run settles, stray children a script fired without awaiting are aborted too. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those). + +**Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): vm is NOT a security boundary — scripts are model-written, the same trust level as the model's bash access — and the vm `timeout` covers only the initial synchronous slice, so a pathological synchronous spin after the first await cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). + +## Config + +| Key | Default | Meaning | +|---|---|---| +| `provider` | `spawn` | The `ctx.subagents` provider children run on. | +| `maxConcurrentAgents` | `0` (auto) | Concurrent `agent()` ceiling; `0` resolves to `min(16, max(1, cores - 2))`. | +| `maxTotalAgents` | `1000` | Total `agent()` calls one run may start (runaway-loop backstop). | +| `maxItemsPerCall` | `4096` | Items accepted by one `parallel()`/`pipeline()` call. | +| `syncTimeoutMs` | `5000` | vm timeout for the initial synchronous slice and the meta evaluation. | +| `disposeGraceMs` | `5000` | How long `dispose()` waits for a cancelled script before abandoning it. | diff --git a/packages/workflow/workflow-vm/package.json b/packages/workflow/workflow-vm/package.json new file mode 100644 index 0000000000..8b1217acc0 --- /dev/null +++ b/packages/workflow/workflow-vm/package.json @@ -0,0 +1,50 @@ +{ + "name": "@deepseek-ai/dsh-workflow-vm", + "description": "node:vm workflow engine: executes model-written orchestration scripts over ctx.subagents", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-subagent": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "@deepseek-ai/dsh-workflow": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-invariants": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-subagent": "workspace:^", + "@deepseek-ai/dsh-subagent-spawn": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-workflow": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/workflow/workflow-vm/src/index.ts b/packages/workflow/workflow-vm/src/index.ts new file mode 100644 index 0000000000..914ebb3ba6 --- /dev/null +++ b/packages/workflow/workflow-vm/src/index.ts @@ -0,0 +1,166 @@ +/** + * The `node:vm` workflow engine: the first {@link WorkflowService} + * implementation. Parses the Claude Code-format script (meta + body), runs the + * body in a fresh in-process vm context with the workflow hooks injected, and + * fans `agent()` calls out to `ctx.subagents`. + * + * Engine limitations, documented as the accepted cost of the in-process + * mechanism (the interface/implementation seam exists precisely so a + * worker-thread or isolated-vm engine can swap in if these ever matter): + * + * - vm is NOT a security boundary. Scripts are model-written — the same trust + * level as the model's bash access — and the realm-boundary materialization + * is correctness containment, not a sandbox. + * - The vm `timeout` covers only the initial SYNCHRONOUS slice of the script; + * a pathological synchronous spin after the first await cannot be killed + * in-process. `dispose()` therefore waits a bounded grace and then ABANDONS + * a stuck script: its pending hook promises are already rejected and its + * settlement is contained (no unhandled rejection), but an abandoned + * synchronous spin would still occupy the event loop. + * + * Plugin export shape: a default-exported {@link WorkflowService} subclass + * (the class-based service form, like `dsh-bash-local`). + * + * @module @deepseek-ai/dsh-workflow-vm + */ + +import { randomUUID } from 'node:crypto' +import { availableParallelism } from 'node:os' +import type { Context } from 'cordis' +import z from 'schemastery' +import WorkflowService, { WorkflowRunId } from '@deepseek-ai/dsh-workflow' +import type { WorkflowResult, WorkflowRun, WorkflowRunInfo, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' +import { extractMeta } from './meta.ts' +import { WorkflowExecution, type ExecutionLimits } from './runtime.ts' + +export { extractMeta, type ExtractedScript } from './meta.ts' +export { materializeFromRealm, MaterializeError } from './realm.ts' +export { WorkflowExecution, type ExecutionLimits, type ExecutionObserver } from './runtime.ts' + +/** Plugin config (all optional — `static Config` supplies the defaults). */ +export interface Config { + /** The `ctx.subagents` provider children run on (default `spawn`). */ + provider?: string + /** Concurrent `agent()` ceiling; `0` (the default) auto-resolves to `min(16, max(1, cores - 2))`. */ + maxConcurrentAgents?: number + /** Total `agent()` calls one run may start — the runaway-loop backstop (default 1000). */ + maxTotalAgents?: number + /** Items accepted by a single `parallel()`/`pipeline()` call (default 4096). */ + maxItemsPerCall?: number + /** vm timeout for the script's initial synchronous slice AND the meta-literal evaluation (default 5000 ms). */ + syncTimeoutMs?: number + /** How long `dispose()` waits for a cancelled script to settle before abandoning it (default 5000 ms). */ + disposeGraceMs?: number +} + +type ResolvedConfig = Required + +/** + * The vm engine service. `start()` validates the script up front (meta + + * body compile) and returns a {@link WorkflowRun} whose `result` never + * rejects; the `workflow/*` events fire around the run per the seam contract. + */ +export class VmWorkflowEngine extends WorkflowService { + static inject = ['subagents'] + + static Config: z = z.object({ + provider: z.string().default('spawn'), + maxConcurrentAgents: z.natural().default(0), + maxTotalAgents: z.natural().min(1).default(1000), + maxItemsPerCall: z.natural().min(1).default(4096), + syncTimeoutMs: z.natural().min(1).default(5000), + disposeGraceMs: z.natural().default(5000), + }) + + private readonly config: ResolvedConfig + + constructor(ctx: Context, config: Config) { + super(ctx) + // schemastery (static Config) has already filled the defaulted fields; + // the assertion records that resolution, not a hidden fallback. + this.config = config as ResolvedConfig + } + + /** + * Parse and execute a workflow script. Throws {@link WorkflowError} + * synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot + * begin; once a run is returned, every failure resolves through + * `result.stopReason` instead. + * @param request - the script, its `args`, the parent agent, and an + * optional cancel signal. + * @returns the live run (its `result` resolves when the script settles). + */ + start(request: WorkflowStartRequest): WorkflowRun { + const { meta, body } = extractMeta(request.script, this.config.syncTimeoutMs) + const id = WorkflowRunId(randomUUID()) + // The event payloads and the run handle get SEPARATE meta clones: a + // listener mutating its snapshot must not corrupt the holder's view. + const info: WorkflowRunInfo = { id, meta: structuredClone(meta) } + const limits: ExecutionLimits = { + provider: this.config.provider, + maxConcurrentAgents: this.config.maxConcurrentAgents === 0 + ? Math.min(16, Math.max(1, availableParallelism() - 2)) + : this.config.maxConcurrentAgents, + maxTotalAgents: this.config.maxTotalAgents, + maxItemsPerCall: this.config.maxItemsPerCall, + syncTimeoutMs: this.config.syncTimeoutMs, + } + const execution = new WorkflowExecution( + this.ctx, + meta, + body, + request.parent, + request.args, + request.signal, + limits, + { + phase: (title) => { this.emitWorkflowEvent('workflow/phase', info, title) }, + log: (message) => { this.emitWorkflowEvent('workflow/log', info, message) }, + agentStart: (agent) => { this.emitWorkflowEvent('workflow/agent-start', info, agent) }, + agentEnd: (agent) => { this.emitWorkflowEvent('workflow/agent-end', info, agent) }, + }, + ) + + this.emitWorkflowEvent('workflow/start', info) + const result: Promise = execution.drive() + // `workflow/end` fires as the (never-rejecting) result settles, with the + // outcome DATA only — the value stays with the run's holder. + void result.then((settled) => { + this.emitWorkflowEvent('workflow/end', info, { + stopReason: settled.stopReason, + ...settled.error !== undefined ? { error: settled.error } : {}, + agentsStarted: settled.agentsStarted, + }) + }) + + let disposed: Promise | undefined + return { + id, + meta: structuredClone(meta), + result, + cancel(reason?: string): void { + execution.cancel(reason) + }, + dispose: (): Promise => { + // Idempotent: cancel, then wait min(settle, grace). `result` never + // rejects, so the race needs no rejection handling; an unsettled + // script past the grace is abandoned per the module contract. + disposed ??= (async () => { + execution.cancel('workflow disposed') + await Promise.race([result, sleep(this.config.disposeGraceMs)]) + })() + return disposed + }, + } + } +} + +/** A plain timer sleep (the dispose grace); unref'd so it never holds the process open. */ +function sleep(ms: number): Promise { + return new Promise((resolve) => { + const timer = setTimeout(resolve, ms) + timer.unref() + }) +} + +export default VmWorkflowEngine diff --git a/packages/workflow/workflow-vm/src/meta.ts b/packages/workflow/workflow-vm/src/meta.ts new file mode 100644 index 0000000000..bb97ad7d39 --- /dev/null +++ b/packages/workflow/workflow-vm/src/meta.ts @@ -0,0 +1,198 @@ +/** + * Meta-block extraction: turn a Claude Code-format workflow script — + * `export const meta = {...}` followed by a plain-JS body — into a validated + * {@link WorkflowMeta} plus the body with the meta statement blanked + * line-preservingly (error stacks keep the script's own line numbers). + * + * The scanner is a small string/comment-aware brace matcher, not a JS parser: + * it only has to find the END of the meta object literal, and the literal is + * contractually PURE (no interpolation, no computed values). Template strings + * are tolerated as plain quotes but `${` inside one is rejected up front — + * interpolation is where "literal" stops being checkable by evaluation. The + * extracted text is then evaluated ALONE in an empty, timed vm context (a + * non-literal reference throws there; an expression can still RUN, so the + * result — not the source — is the contract: it must materialize to plain + * JSON data and pass the shape validation). + * + * @module @deepseek-ai/dsh-workflow-vm/meta + */ + +import * as vm from 'node:vm' +import { WorkflowError } from '@deepseek-ai/dsh-workflow' +import type { WorkflowMeta, WorkflowPhase } from '@deepseek-ai/dsh-workflow' +import { materializeFromRealm, MaterializeError } from './realm.ts' + +/** The result of {@link extractMeta}: the validated meta and the runnable body. */ +export interface ExtractedScript { + meta: WorkflowMeta + /** The script with the meta statement blanked (newlines preserved). */ + body: string +} + +const META_PREFIX = /^\s*(?:\/\/[^\n]*\n|\/\*[\s\S]*?\*\/\s*|\s+)*export\s+const\s+meta\s*=\s*/ + +/** + * Scan `source` from `start` (an opening `{`) to its matching `}`, aware of + * string literals (`'`/`"`/backtick, with escapes) and comments. Returns the + * index AFTER the closing brace. Throws `SCRIPT_PARSE` on template + * interpolation (`${` inside a backtick string) or an unterminated literal. + */ +function scanObjectLiteral(source: string, start: number): number { + let depth = 0 + let index = start + while (index < source.length) { + const ch = source.charAt(index) + if (ch === '/' && source[index + 1] === '/') { + const end = source.indexOf('\n', index) + index = end === -1 ? source.length : end + 1 + continue + } + if (ch === '/' && source[index + 1] === '*') { + const end = source.indexOf('*/', index + 2) + if (end === -1) throw new WorkflowError('meta block has an unterminated comment', 'SCRIPT_PARSE') + index = end + 2 + continue + } + if (ch === '\'' || ch === '"' || ch === '`') { + index = scanString(source, index, ch) + continue + } + if (ch === '{' || ch === '[') depth += 1 + if (ch === '}' || ch === ']') { + depth -= 1 + if (depth === 0) return index + 1 + } + index += 1 + } + throw new WorkflowError('meta block is not a balanced object literal', 'SCRIPT_PARSE') +} + +/** Scan past one string literal starting at `start` (the quote char); returns the index after the closing quote. */ +function scanString(source: string, start: number, quote: string): number { + let index = start + 1 + while (index < source.length) { + const ch = source.charAt(index) + if (ch === '\\') { + index += 2 + continue + } + if (quote === '`' && ch === '$' && source[index + 1] === '{') { + throw new WorkflowError('template interpolation (`${...}`) is not allowed in the meta block — meta must be a pure literal', 'SCRIPT_PARSE') + } + if (ch === quote) return index + 1 + index += 1 + } + throw new WorkflowError('meta block has an unterminated string literal', 'SCRIPT_PARSE') +} + +/** Replace `[from, to)` of `source` with whitespace, preserving every newline (line numbers survive). */ +function blankSpan(source: string, from: number, to: number): string { + const blanked = source.slice(from, to).replace(/[^\n]/g, ' ') + return source.slice(0, from) + blanked + source.slice(to) +} + +/** Collect shape violations for an evaluated meta value (already materialized to host JSON data). */ +function validateMetaShape(meta: unknown): { meta?: WorkflowMeta; violations: string[] } { + const violations: string[] = [] + /* v8 ignore next 3 -- defensive: the scanner only extracts a brace-delimited literal, which always evaluates to a plain object */ + if (typeof meta !== 'object' || meta === null || Array.isArray(meta)) { + return { violations: ['meta must be an object literal'] } + } + const record = meta as Record + const known = new Set(['name', 'description', 'whenToUse', 'phases']) + for (const key of Object.keys(record)) { + if (!known.has(key)) violations.push(`meta.${key} is not a recognized field (name/description/whenToUse/phases)`) + } + if (typeof record.name !== 'string' || record.name.length === 0) violations.push('meta.name must be a non-empty string') + if (typeof record.description !== 'string' || record.description.length === 0) violations.push('meta.description must be a non-empty string') + if (record.whenToUse !== undefined && typeof record.whenToUse !== 'string') violations.push('meta.whenToUse must be a string') + const phases: WorkflowPhase[] = [] + if (record.phases !== undefined) { + if (!Array.isArray(record.phases)) { + violations.push('meta.phases must be an array') + } else { + record.phases.forEach((phase, index) => { + if (typeof phase !== 'object' || phase === null || Array.isArray(phase)) { + violations.push(`meta.phases[${index}] must be an object`) + return + } + const entry = phase as Record + for (const key of Object.keys(entry)) { + if (!['title', 'detail', 'model'].includes(key)) violations.push(`meta.phases[${index}].${key} is not a recognized field`) + } + if (typeof entry.title !== 'string' || entry.title.length === 0) violations.push(`meta.phases[${index}].title must be a non-empty string`) + if (entry.detail !== undefined && typeof entry.detail !== 'string') violations.push(`meta.phases[${index}].detail must be a string`) + if (entry.model !== undefined && typeof entry.model !== 'string') violations.push(`meta.phases[${index}].model must be a string`) + if (violations.length === 0) { + phases.push({ + title: entry.title as string, + ...entry.detail !== undefined ? { detail: entry.detail as string } : {}, + ...entry.model !== undefined ? { model: entry.model as string } : {}, + }) + } + }) + } + } + if (violations.length > 0) return { violations } + return { + violations, + meta: { + name: record.name as string, + description: record.description as string, + ...record.whenToUse !== undefined ? { whenToUse: record.whenToUse as string } : {}, + ...record.phases !== undefined ? { phases } : {}, + }, + } +} + +/** + * Extract and validate the leading `export const meta = {...}` statement. + * Throws {@link WorkflowError} — `SCRIPT_PARSE` when the statement is missing + * or unscannable, `META_INVALID` when the literal evaluates to something + * outside the meta contract (non-JSON data, wrong shape, unknown fields). + * @param script - the full script text. + * @param evalTimeoutMs - the vm timeout for evaluating the extracted literal. + * @returns the validated meta and the line-preservingly blanked body. + */ +export function extractMeta(script: string, evalTimeoutMs: number): ExtractedScript { + const match = META_PREFIX.exec(script) + if (!match) { + throw new WorkflowError('script must begin with `export const meta = {...}` (leading comments allowed)', 'SCRIPT_PARSE') + } + const literalStart = match[0].length + if (script[literalStart] !== '{') { + throw new WorkflowError('`export const meta =` must be followed by an object literal', 'SCRIPT_PARSE') + } + const literalEnd = scanObjectLiteral(script, literalStart) + const literal = script.slice(literalStart, literalEnd) + + let evaluated: unknown + try { + // An EMPTY context: any non-literal reference (a variable, a call) throws + // here. The result — data only — is what the contract checks; a getter or + // IIFE can still run, which is why the timeout and the materialization + // below are part of the same boundary. + evaluated = vm.runInNewContext(`(${literal})`, undefined, { timeout: evalTimeoutMs }) + } catch (error: unknown) { + throw new WorkflowError(`meta block failed to evaluate as a pure literal: ${String(error)}`, 'META_INVALID', { cause: error }) + } + let data: unknown + try { + data = materializeFromRealm(evaluated, 'meta') + } catch (error: unknown) { + /* v8 ignore next -- defensive rethrow arm: materializeFromRealm only throws MaterializeError */ + if (!(error instanceof MaterializeError)) throw error + throw new WorkflowError(`meta block is not pure JSON data — ${error.message}`, 'META_INVALID', { cause: error }) + } + const { meta, violations } = validateMetaShape(data) + if (meta === undefined) { + throw new WorkflowError(`invalid meta block: ${violations.join('; ')}`, 'META_INVALID') + } + + // Blank the whole statement (including a trailing semicolon, if any) so the + // body compiles standalone with its original line numbers. + let statementEnd = literalEnd + while (statementEnd < script.length && (script[statementEnd] === ' ' || script[statementEnd] === '\t')) statementEnd += 1 + if (script[statementEnd] === ';') statementEnd += 1 + return { meta, body: blankSpan(script, 0, statementEnd) } +} diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-vm/src/realm.ts new file mode 100644 index 0000000000..70745cb4f6 --- /dev/null +++ b/packages/workflow/workflow-vm/src/realm.ts @@ -0,0 +1,142 @@ +/** + * Realm-boundary materialization for the vm engine. + * + * Values produced INSIDE the script realm (the meta literal, hook arguments, + * the script's return value) must become plain host-realm JSON data before the + * host touches them. The repo's `isJsonValue` guard cannot run first: it is + * prototype-strict (any cross-realm object fails it) and it INVOKES getters + * (letting realm code run outside the vm's timed window). So this module walks + * own-property DESCRIPTORS — never invoking accessors — and copies data into + * host containers, rejecting loud everything JSON cannot carry: + * accessor properties, non-plain prototypes, functions, symbols (keys or + * values), bigints, non-finite numbers, `undefined` values, cycles, sparse + * arrays, and arrays with non-index own properties. + * + * Host objects are built with `Object.defineProperty` into a fresh `{}` — + * never plain `target[key] =` assignment, which a `"__proto__"` key would turn + * into prototype mutation instead of a data property. + * + * The host→realm direction deliberately does NOT live here: a host object + * handed into the realm would expose host intrinsics through its prototype + * chain, so the engine rebuilds inbound values INSIDE the realm via the + * context's own `JSON.parse` (see the runtime). + * + * @module @deepseek-ai/dsh-workflow-vm/realm + */ + +/** Thrown by {@link materializeFromRealm}; the caller wraps it into the right `WorkflowError` code. */ +export class MaterializeError extends Error { + constructor(public readonly path: string, public readonly reason: string) { + super(`${path}: ${reason}`) + this.name = 'MaterializeError' + } +} + +/** + * Whether an object's prototype chain is data-shaped: `null`, or a prototype + * whose own prototype is `null` (the realm's `Object.prototype` — which we + * cannot compare by identity across realms). A `Date`/`Map`/class instance + * has a longer chain and is rejected. + */ +function hasPlainPrototype(value: object): boolean { + const proto: unknown = Object.getPrototypeOf(value) + if (proto === null) return true + return Object.getPrototypeOf(proto) === null +} + +/** + * Copy `value` (typically from the vm realm) into plain host JSON data. + * Throws {@link MaterializeError} naming the offending path for anything JSON + * cannot carry losslessly. Accessors are detected via descriptors and NEVER + * invoked. `undefined` is accepted only at the ROOT (a script with no + * `return` value) — the caller decides what it means; an `undefined` nested + * INSIDE a container is a violation. + * @param value - the realm value to materialize. + * @param root - the path label for the root value (error messages). + * @returns the host-realm copy (plain objects/arrays/scalars only). + */ +export function materializeFromRealm(value: unknown, root = 'value'): unknown { + if (value === undefined) return undefined + return materialize(value, root, new Set()) +} + +function materialize(value: unknown, path: string, seen: Set): unknown { + switch (typeof value) { + case 'boolean': + case 'string': + return value + case 'number': { + if (!Number.isFinite(value)) throw new MaterializeError(path, 'non-finite numbers are not JSON data') + return value + } + case 'bigint': + throw new MaterializeError(path, 'bigints are not JSON data') + case 'function': + throw new MaterializeError(path, 'functions cannot cross the workflow realm boundary') + case 'symbol': + throw new MaterializeError(path, 'symbols cannot cross the workflow realm boundary') + case 'undefined': + throw new MaterializeError(path, 'undefined is not JSON data') + case 'object': + break + } + if (value === null) return null + const objectValue: object = value + if (seen.has(objectValue)) throw new MaterializeError(path, 'circular references are not JSON data') + seen.add(objectValue) + try { + if (Array.isArray(objectValue)) return materializeArray(objectValue, path, seen) + return materializeObject(objectValue, path, seen) + } finally { + seen.delete(objectValue) + } +} + +function materializeArray(value: unknown[], path: string, seen: Set): unknown[] { + const out: unknown[] = [] + for (let index = 0; index < value.length; index++) { + const descriptor = Object.getOwnPropertyDescriptor(value, index) + if (descriptor === undefined) throw new MaterializeError(`${path}[${index}]`, 'sparse arrays are not JSON data') + if (!('value' in descriptor)) throw new MaterializeError(`${path}[${index}]`, 'accessor properties cannot cross the workflow realm boundary') + out.push(materialize(descriptor.value, `${path}[${index}]`, seen)) + } + // Own enumerable props beyond the indices (e.g. `arr.total = 3`) would be + // silently dropped by JSON — reject them instead. + for (const key of Object.keys(value)) { + const index = Number(key) + if (!Number.isInteger(index) || index < 0 || index >= value.length) { + throw new MaterializeError(`${path}.${key}`, 'arrays with non-index properties are not JSON data') + } + } + if (Object.getOwnPropertySymbols(value).length > 0) { + throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow realm boundary') + } + return out +} + +function materializeObject(value: object, path: string, seen: Set): Record { + if (!hasPlainPrototype(value)) { + throw new MaterializeError(path, 'only plain objects and arrays are JSON data (exotic prototype)') + } + if (Object.getOwnPropertySymbols(value).length > 0) { + throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow realm boundary') + } + const out: Record = {} + for (const [key, descriptor] of Object.entries(Object.getOwnPropertyDescriptors(value))) { + // Non-enumerable own props never reach JSON output — skip them, matching + // JSON.stringify's contract exactly (documented in the module doc). + if (!descriptor.enumerable) continue + if (!('value' in descriptor)) { + throw new MaterializeError(`${path}.${key}`, 'accessor properties cannot cross the workflow realm boundary') + } + // defineProperty, never assignment: a "__proto__" key must become an OWN + // data property of the copy, not a prototype mutation. + Object.defineProperty(out, key, { + value: materialize(descriptor.value, `${path}.${key}`, seen), + enumerable: true, + writable: true, + configurable: true, + }) + } + return out +} diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts new file mode 100644 index 0000000000..04176a11ac --- /dev/null +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -0,0 +1,499 @@ +/** + * Per-run execution state for the vm workflow engine: the script context and + * its injected hooks (`agent`/`parallel`/`pipeline`/`phase`/`log`/`args`), the + * concurrency semaphore and caps, cancellation, and the drive loop that turns + * a script settlement into a {@link WorkflowResult}. + * + * Realm discipline (see also ./realm.ts): values ENTERING the host from the + * script (hook options, schemas, the return value) are materialized via + * descriptor walks; values ENTERING the realm from the host (`args`, agent() + * results) are rebuilt INSIDE the realm through the context's own + * `JSON.parse`, so the script never holds an object whose prototype chain + * reaches host intrinsics. Realm functions (pipeline stages, parallel thunks) + * are called, not materialized — their values stay realm-side. + * + * Failure discipline: fatal {@link WorkflowError}s (bad hook arguments, + * unsupported options/schemas, tripped caps, seam start failures, + * cancellation) ALWAYS propagate through `parallel`/`pipeline`; the per-item + * `null` is reserved for child-run failures and ordinary in-stage script + * errors. Every hook-returned promise gets a no-op rejection consumer + * attached, so a script that drops a promise (fires an `agent()` without + * awaiting it) cannot surface an unhandled rejection when cancellation + * rejects it — the app boot layer exits the process on unhandled rejections. + * + * @module @deepseek-ai/dsh-workflow-vm/runtime + */ + +import * as vm from 'node:vm' +import type { Context } from 'cordis' +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import type { Agent } from '@deepseek-ai/dsh-agent' +import type {} from '@deepseek-ai/dsh-subagent' +import { assertSupportedOutputSchema, OutputSchemaError } from '@deepseek-ai/dsh-tools' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' +import { WorkflowError, isFatalWorkflowError } from '@deepseek-ai/dsh-workflow' +import type { + WorkflowAgentEndInfo, + WorkflowAgentInfo, + WorkflowMeta, + WorkflowResult, +} from '@deepseek-ai/dsh-workflow' +import { materializeFromRealm, MaterializeError } from './realm.ts' + +/** The per-run knobs the engine resolves from its Config. */ +export interface ExecutionLimits { + /** The `ctx.subagents` provider name to start children on. */ + provider: string + /** Concurrent `agent()` ceiling (already auto-resolved; ≥ 1). */ + maxConcurrentAgents: number + /** Total `agent()` calls per run (the runaway-loop backstop). */ + maxTotalAgents: number + /** Items accepted by one `parallel()`/`pipeline()` call. */ + maxItemsPerCall: number + /** vm timeout for the script's initial synchronous slice. */ + syncTimeoutMs: number +} + +/** The engine-side observers the execution reports progress through. */ +export interface ExecutionObserver { + phase(title: string): void + log(message: string): void + agentStart(info: WorkflowAgentInfo): void + agentEnd(info: WorkflowAgentEndInfo): void +} + +/** The `agent()` options the script may pass; everything else rejects loud. */ +const SUPPORTED_AGENT_OPTIONS = new Set(['label', 'phase', 'schema', 'model']) +/** Deferred Claude Code options we name explicitly in the rejection message. */ +const DEFERRED_AGENT_OPTIONS = new Set(['effort', 'isolation', 'agentType']) + +/** The in-context prelude that bans the nondeterminism sources (kept even though resume is deferred, so scripts stay resume-compatible). */ +const DETERMINISM_PRELUDE = ` +{ + const banned = (name) => () => { + throw new Error(name + ' is not available in workflow scripts (runs must stay deterministic for future resume support; pass timestamps in via args)') + } + Math.random = banned('Math.random()') + Date.now = banned('Date.now()') + const RealDate = Date + globalThis.Date = new Proxy(RealDate, { + construct(target, args, newTarget) { + if (args.length === 0) banned('argless new Date()')() + return Reflect.construct(target, args, newTarget) + }, + apply: banned('Date()'), + }) +} +` + +/** Flatten a child's final output blocks to text (the non-schema `agent()` result). */ +function outputText(blocks: ContentBlock[]): string { + return blocks + .filter((block): block is Extract => block.type === 'text') + .map(block => block.text) + .join('') +} + +/** + * Render a script failure for the result: prefer the stack (it carries the + * script's own line numbers via the compile lineOffset), then the message. + * STRUCTURAL detection, not `instanceof Error` — a realm-thrown Error is not + * an instance of the host Error class. + */ +function errorText(error: unknown): string { + if (typeof error === 'object' && error !== null) { + const maybe = error as { stack?: unknown; message?: unknown } + if (typeof maybe.stack === 'string' && maybe.stack.length > 0) return maybe.stack + if (typeof maybe.message === 'string') return maybe.message + } + return String(error) +} + +/** A short display label derived from the prompt when the script passes none. */ +function defaultLabel(prompt: string): string { + const newline = prompt.indexOf('\n') + const line = newline === -1 ? prompt : prompt.slice(0, newline) + return line.length <= 48 ? line : `${line.slice(0, 47)}…` +} + +/** + * One live script execution. Constructed per run by the engine; `drive()` is + * called exactly once and NEVER rejects — every failure becomes a + * {@link WorkflowResult} with a non-`completed` stop reason. + */ +export class WorkflowExecution { + /** 1-based count of `agent()` calls started (the `agentsStarted` result field). */ + private started = 0 + private activeSlots = 0 + private readonly slotWaiters: { resolve(): void; reject(error: unknown): void }[] = [] + private cancelReason: string | undefined + private cancelError: WorkflowError | undefined + private readonly controller = new AbortController() + private currentPhase: string | undefined + private readonly context: vm.Context + private readonly realmJsonParse: (text: string) => unknown + private readonly compiled: vm.Script + + constructor( + private readonly ctx: Context, + meta: WorkflowMeta, + body: string, + private readonly parent: Agent, + args: unknown, + signal: AbortSignal | undefined, + private readonly limits: ExecutionLimits, + private readonly observer: ExecutionObserver, + ) { + // Compile FIRST: a body syntax error must throw out of the constructor + // (the engine maps it to SCRIPT_PARSE) before any realm state exists. + // lineOffset compensates for the wrapper line, so stack traces carry the + // script's own line numbers (the meta statement was blanked, not removed). + try { + this.compiled = new vm.Script(`(async () => {\n${body}\n})()`, { + filename: `workflow:${meta.name}`, + lineOffset: -1, + }) + } catch (error: unknown) { + throw new WorkflowError(`workflow script does not parse: ${String(error)}`, 'SCRIPT_PARSE', { cause: error }) + } + + this.context = vm.createContext({}, { name: `workflow:${meta.name}` }) + vm.runInContext(DETERMINISM_PRELUDE, this.context) + // The realm's own JSON.parse — the host→realm rebuild channel. + const realmJson = vm.runInContext('JSON', this.context) as { parse(text: string): unknown } + this.realmJsonParse = (text: string) => realmJson.parse(text) + + const globals: Record = { + agent: (prompt: unknown, opts?: unknown) => this.contain(this.agent(prompt, opts)), + parallel: (thunks: unknown) => this.contain(this.parallel(thunks)), + pipeline: (items: unknown, ...stages: unknown[]) => this.contain(this.pipeline(items, stages)), + phase: (title: unknown) => { this.phase(title) }, + log: (message: unknown) => { this.log(message) }, + args: this.toRealm(args), + } + for (const [key, value] of Object.entries(globals)) { + // Data properties on the contextified global; frozen shape not required — + // a script overwriting its own hooks only sabotages itself. + ;(this.context as Record)[key] = typeof value === 'function' ? Object.freeze(value) : value + } + + if (signal?.aborted) { + this.cancel('workflow start signal already aborted') + } else { + signal?.addEventListener('abort', () => { this.cancel('workflow signal aborted') }, { once: true }) + } + } + + /** + * Whether the run has been cancelled. A METHOD, not an inline property + * read: `cancel()` mutates `cancelReason` concurrently (a signal listener, + * a raced dispose), and an inline read after an `await` gets narrowed by + * control flow into an always-false comparison. + */ + private isCancelled(): boolean { + return this.cancelReason !== undefined + } + + /** + * Cancel the run: children abort (the shared signal), waiting `agent()` + * slots reject, and every future hook call throws `CANCELLED` — the script + * dies at its next await. Idempotent; the first reason wins. + */ + cancel(reason?: string): void { + if (this.cancelReason !== undefined) return + this.cancelReason = reason ?? 'workflow cancelled' + this.cancelError = new WorkflowError(`workflow run cancelled: ${this.cancelReason}`, 'CANCELLED') + this.controller.abort(this.cancelReason) + for (const waiter of this.slotWaiters.splice(0)) waiter.reject(this.cancelledError()) + } + + /** + * Run the script to settlement. Resolves — never rejects — with the run's + * {@link WorkflowResult}: the materialized return value on `completed`, the + * failure message on `error`, and `cancelled` when the script died of + * cancellation. After settlement, any stray children a script fired without + * awaiting are aborted (their `agent()` wrappers dispose them). + */ + async drive(): Promise { + try { + const scriptPromise = this.compiled.runInContext(this.context, { timeout: this.limits.syncTimeoutMs }) as Promise + const raw: unknown = await this.contain(Promise.resolve(scriptPromise)) + const value = raw === undefined ? null : this.materializeResult(raw) + return { value, stopReason: 'completed', agentsStarted: this.started } + } catch (error: unknown) { + if (error instanceof WorkflowError && error.code === 'CANCELLED') { + return { value: null, stopReason: 'cancelled', error: error.message, agentsStarted: this.started } + } + return { value: null, stopReason: 'error', error: errorText(error), agentsStarted: this.started } + } finally { + // Reap strays: a script that fired agent() calls without awaiting them + // leaves live children behind after settlement — abort them all. (The + // per-call wrappers dispose each child; the contain() consumer keeps + // their rejections from going unhandled.) + if (this.cancelReason === undefined) this.cancel('workflow settled') + } + } + + /** + * Attach a no-op rejection consumer WITHOUT changing what the caller + * receives: if the script drops the promise (no await), cancellation cannot + * become an unhandled rejection (the app boot layer exits the process on + * those); if the script does await it, it still observes the rejection. + */ + private contain(promise: Promise): Promise { + promise.catch(() => { /* consumed: see method contract — a dropped hook promise must not surface an unhandled rejection */ }) + return promise + } + + private cancelledError(): WorkflowError { + // cancel() arms cancelError before any caller can observe isCancelled() + // === true; the fallback guards the type, not a reachable path. + /* v8 ignore next */ + return this.cancelError ?? new WorkflowError('workflow run cancelled', 'CANCELLED') + } + + /** Rebuild a host value inside the script realm (via the realm's own JSON.parse). */ + private toRealm(value: unknown): unknown { + if (value === undefined) return undefined + if (value === null) return null + if (typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean') return value + return this.realmJsonParse(JSON.stringify(value)) + } + + /** Materialize the script's return value; violations become RESULT_UNSERIALIZABLE. */ + private materializeResult(raw: unknown): unknown { + try { + return materializeFromRealm(raw, 'workflow result') + } catch (error: unknown) { + /* v8 ignore next -- defensive rethrow arm: materializeFromRealm only throws MaterializeError */ + if (!(error instanceof MaterializeError)) throw error + throw new WorkflowError( + `the workflow's return value is not plain JSON data — ${error.message}. Return only JSON-serializable objects/arrays/scalars.`, + 'RESULT_UNSERIALIZABLE', + { cause: error }, + ) + } + } + + /** + * Acquire one concurrency slot (FIFO). Cancellation rejects QUEUED waiters + * (see {@link cancel}); the callers guard their own entry and post-acquire + * windows, so no cancelled-precheck is duplicated here. + */ + private acquireSlot(): Promise { + if (this.activeSlots < this.limits.maxConcurrentAgents) { + this.activeSlots += 1 + return Promise.resolve() + } + return new Promise((resolve, reject) => { + this.slotWaiters.push({ + resolve: () => { + this.activeSlots += 1 + resolve() + }, + reject, + }) + }) + } + + private releaseSlot(): void { + this.activeSlots -= 1 + const next = this.slotWaiters.shift() + if (next) next.resolve() + } + + /** The `agent(prompt, opts)` hook. */ + private async agent(rawPrompt: unknown, rawOpts: unknown): Promise { + if (this.isCancelled()) throw this.cancelledError() + if (typeof rawPrompt !== 'string' || rawPrompt.length === 0) { + throw new WorkflowError('agent() requires a non-empty prompt string', 'INVALID_ARGUMENT') + } + const opts = this.readAgentOptions(rawOpts) + if (this.started >= this.limits.maxTotalAgents) { + throw new WorkflowError( + `this run reached its total agent cap (${this.limits.maxTotalAgents}) — a runaway-loop backstop; raise maxTotalAgents in the engine config if the scale is intentional`, + 'AGENT_CAP', + ) + } + this.started += 1 + const seq = this.started + const label = opts.label ?? defaultLabel(rawPrompt) + const phase = opts.phase ?? this.currentPhase + + await this.acquireSlot() + try { + // No cancelled re-check here: a cancel cannot interleave between a + // waiter's resolution and this continuation (single-threaded, no await + // between them), and a child started moments after a cancel still dies + // via the shared abort signal — the CANCELLED mapping below covers it. + let run + try { + run = this.ctx.subagents.start(this.limits.provider, { + prompt: [{ type: 'text', text: rawPrompt }], + parent: this.parent, + signal: this.controller.signal, + ...opts.schema !== undefined ? { outputSchema: opts.schema } : {}, + ...opts.model !== undefined ? { agentOptions: { model: opts.model } } : {}, + }) + } catch (error: unknown) { + throw new WorkflowError(`agent() could not start a child on provider "${this.limits.provider}": ${String(error)}`, 'AGENT_START', { cause: error }) + } + const info: WorkflowAgentInfo = { seq, label, ...phase !== undefined ? { phase } : {}, childId: run.id } + this.observer.agentStart(info) + try { + const result = await run.result + if (result.stopReason === 'completed') { + if (opts.schema !== undefined) { + // The provider honored outputSchema (capability-gated at start), so + // a completed run without a structured value is a child failure. + if (result.structured === undefined) { + this.observer.agentEnd({ ...info, outcome: 'failed' }) + return null + } + this.observer.agentEnd({ ...info, outcome: 'completed' }) + return this.toRealm(result.structured) + } + this.observer.agentEnd({ ...info, outcome: 'completed' }) + return outputText(result.output) + } + // A cancelled RUN kills the script; a child that failed for its own + // reasons resolves null (scripts .filter(Boolean) per the CC contract). + if (this.isCancelled()) { + this.observer.agentEnd({ ...info, outcome: 'cancelled' }) + throw this.cancelledError() + } + this.observer.agentEnd({ ...info, outcome: 'failed' }) + return null + } finally { + await run.dispose() + } + } finally { + this.releaseSlot() + } + } + + /** Materialize + validate the `agent()` options bag from the realm. */ + private readAgentOptions(rawOpts: unknown): { label?: string; phase?: string; model?: string; schema?: StructuredOutputSchema } { + if (rawOpts === undefined) return {} + let opts: unknown + try { + opts = materializeFromRealm(rawOpts, 'agent() options') + } catch (error: unknown) { + /* v8 ignore next -- defensive rethrow arm: materializeFromRealm only throws MaterializeError */ + if (!(error instanceof MaterializeError)) throw error + throw new WorkflowError(`agent() options must be plain JSON data — ${error.message}`, 'INVALID_ARGUMENT', { cause: error }) + } + if (typeof opts !== 'object' || opts === null || Array.isArray(opts)) { + throw new WorkflowError('agent() options must be an object', 'INVALID_ARGUMENT') + } + const record = opts as Record + for (const key of Object.keys(record)) { + if (SUPPORTED_AGENT_OPTIONS.has(key)) continue + if (DEFERRED_AGENT_OPTIONS.has(key)) { + throw new WorkflowError(`agent() option "${key}" is deferred and not supported by this engine (supported: label, phase, schema, model)`, 'UNSUPPORTED_OPTION') + } + throw new WorkflowError(`agent() option "${key}" is not recognized (supported: label, phase, schema, model)`, 'UNSUPPORTED_OPTION') + } + for (const key of ['label', 'phase', 'model'] as const) { + if (record[key] !== undefined && typeof record[key] !== 'string') { + throw new WorkflowError(`agent() option "${key}" must be a string`, 'INVALID_ARGUMENT') + } + } + let schema: StructuredOutputSchema | undefined + if (record.schema !== undefined) { + try { + assertSupportedOutputSchema(record.schema) + schema = record.schema + } catch (error: unknown) { + /* v8 ignore next -- defensive rethrow arm: assertSupportedOutputSchema only throws OutputSchemaError */ + if (!(error instanceof OutputSchemaError)) throw error + throw new WorkflowError(`agent() schema is outside the supported subset — ${error.message}`, 'UNSUPPORTED_SCHEMA', { cause: error }) + } + } + return { + ...record.label !== undefined ? { label: record.label as string } : {}, + ...record.phase !== undefined ? { phase: record.phase as string } : {}, + ...record.model !== undefined ? { model: record.model as string } : {}, + ...schema !== undefined ? { schema } : {}, + } + } + + /** The `parallel(thunks)` hook: each thunk caught → `null`; fatal errors propagate. */ + private async parallel(rawThunks: unknown): Promise { + if (!Array.isArray(rawThunks)) { + throw new WorkflowError('parallel() requires an array of zero-argument functions', 'INVALID_ARGUMENT') + } + this.assertItemCap(rawThunks.length, 'parallel()') + const thunks = rawThunks.map((thunk, index) => { + if (typeof thunk !== 'function') { + throw new WorkflowError(`parallel() item ${index} is not a function`, 'INVALID_ARGUMENT') + } + return thunk as () => unknown + }) + return Promise.all(thunks.map(async (thunk) => { + try { + return await thunk() + } catch (error: unknown) { + if (isFatalWorkflowError(error)) throw error + return null + } + })) + } + + /** The `pipeline(items, ...stages)` hook: per-item stage chains, NO cross-stage barrier. */ + private async pipeline(rawItems: unknown, rawStages: unknown[]): Promise { + if (!Array.isArray(rawItems)) { + throw new WorkflowError('pipeline() requires an items array', 'INVALID_ARGUMENT') + } + this.assertItemCap(rawItems.length, 'pipeline()') + if (rawStages.length === 0) { + throw new WorkflowError('pipeline() requires at least one stage function', 'INVALID_ARGUMENT') + } + const stages = rawStages.map((stage, index) => { + if (typeof stage !== 'function') { + throw new WorkflowError(`pipeline() stage ${index} is not a function`, 'INVALID_ARGUMENT') + } + return stage as (previous: unknown, item: unknown, index: number) => unknown + }) + return Promise.all(rawItems.map(async (item: unknown, index) => { + let value: unknown = item + try { + for (const stage of stages) { + value = await stage(value, item, index) + } + return value + } catch (error: unknown) { + // An ordinary stage throw drops the ITEM to null and skips its + // remaining stages; a fatal error kills the whole script. + if (isFatalWorkflowError(error)) throw error + return null + } + })) + } + + private assertItemCap(length: number, hook: string): void { + if (length > this.limits.maxItemsPerCall) { + throw new WorkflowError( + `${hook} received ${length} items — over the per-call cap (${this.limits.maxItemsPerCall}); split the work or raise maxItemsPerCall in the engine config`, + 'ITEM_CAP', + ) + } + } + + /** The `phase(title)` hook: sets the current label for subsequent `agent()` calls and notifies observers. */ + private phase(title: unknown): void { + if (typeof title !== 'string' || title.length === 0) { + throw new WorkflowError('phase() requires a non-empty title string', 'INVALID_ARGUMENT') + } + this.currentPhase = title + this.observer.phase(title) + } + + /** The `log(message)` hook: narration to observers. */ + private log(message: unknown): void { + if (typeof message !== 'string') { + throw new WorkflowError('log() requires a message string', 'INVALID_ARGUMENT') + } + this.observer.log(message) + } +} diff --git a/packages/workflow/workflow-vm/tests/integration.spec.ts b/packages/workflow/workflow-vm/tests/integration.spec.ts new file mode 100644 index 0000000000..48b308a986 --- /dev/null +++ b/packages/workflow/workflow-vm/tests/integration.spec.ts @@ -0,0 +1,89 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop from '@deepseek-ai/dsh-agent-loop' +import * as Invariants from '@deepseek-ai/dsh-invariants' +import SubagentService from '@deepseek-ai/dsh-subagent' +import * as spawn from '@deepseek-ai/dsh-subagent-spawn' +import { STRUCTURED_OUTPUT_TOOL } from '@deepseek-ai/dsh-subagent-inprocess' +import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import VmWorkflowEngine from '../src/index.ts' + +type Script = ConstructorParameters[0] + +/** + * The whole in-process stack, keyless: the vm engine drives the REAL spawn + * backend (with its structured runtime) on a real agent loop; the scripted + * mock MODEL is the only mocked boundary. This is the integration guard the + * per-hook unit tests (which stub the subagent seam) structurally cannot give. + */ +async function setup(script: Script) { + const ctx = new Context() + const adapter = new MockAdapter(script) + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(Invariants) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(SubagentService) + await ctx.plugin(spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) + await ctx.plugin(VmWorkflowEngine, {}) + ctx.llm.registerAdapter(['mock'], adapter) + const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) + return { ctx, parent, adapter } +} + +describe('dsh-workflow-vm over the real in-process stack', () => { + it('runs a two-stage workflow: a plain child, then a schema child through the structured runtime', async () => { + const { ctx, parent } = await setup([ + textResponse('the file list is a.ts'), + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { verdict: 'real', confidence: 0.9 }), + ]) + const childIds: string[] = [] + ctx.on('workflow/agent-start', (_info, agent) => { childIds.push(agent.childId) }) + const run = ctx.workflows.start({ + script: `export const meta = { name: 'integration', description: 'plain + structured children' } +phase('Read') +const prose = await agent('read the repo') +phase('Judge') +const judged = await agent('judge: ' + prose, { + schema: { type: 'object', properties: { verdict: { type: 'string', enum: ['real', 'bogus'] }, confidence: { type: 'number' } }, required: ['verdict'] }, +}) +return { prose, verdict: judged.verdict, confidence: judged.confidence }`, + parent, + }) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ prose: 'the file list is a.ts', verdict: 'real', confidence: 0.9 }) + expect(result.agentsStarted).toBe(2) + await run.dispose() + // Both children were disposed to quiescence — no live child agents remain. + expect(childIds.length).toBe(2) + for (const childId of childIds) { + expect(ctx.agents.get(AgentId(childId))).toBeUndefined() + } + }) + + it('a child that fails against its schema (nudges exhausted) reaches the script as null', async () => { + const { ctx, parent } = await setup([ + textResponse('prose only'), + textResponse('still prose after the nudge'), + ]) + const run = ctx.workflows.start({ + script: `export const meta = { name: 'null-path', description: 'schema failure maps to null' } +const judged = await agent('judge it', { schema: { type: 'object', properties: { v: { type: 'string' } } } }) +return { got: judged === null ? 'null' : 'value' }`, + parent, + }) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ got: 'null' }) + await run.dispose() + }) +}) diff --git a/packages/workflow/workflow-vm/tests/meta.spec.ts b/packages/workflow/workflow-vm/tests/meta.spec.ts new file mode 100644 index 0000000000..4768da49ff --- /dev/null +++ b/packages/workflow/workflow-vm/tests/meta.spec.ts @@ -0,0 +1,143 @@ +import { describe, expect, it } from 'vitest' +import { WorkflowError } from '@deepseek-ai/dsh-workflow' +import { extractMeta } from '../src/meta.ts' + +const TIMEOUT = 1000 + +/** Extract and expect success. */ +function ok(script: string) { + return extractMeta(script, TIMEOUT) +} + +/** The WorkflowError a bad script produces (throws if it extracts cleanly). */ +function bad(script: string): WorkflowError { + try { + extractMeta(script, TIMEOUT) + } catch (error: unknown) { + if (error instanceof WorkflowError) return error + throw error + } + throw new Error('expected extraction to fail') +} + +describe('extractMeta', () => { + it('extracts a full meta block and blanks the statement line-preservingly', () => { + const script = `export const meta = { + name: 'audit-routes', + description: 'Audit every route', + whenToUse: 'when auditing', + phases: [{ title: 'Scan', detail: 'find files' }, { title: 'Fix', model: 'deepseek-v4-pro' }], +} +const x = 1 +return x` + const { meta, body } = ok(script) + expect(meta).toEqual({ + name: 'audit-routes', + description: 'Audit every route', + whenToUse: 'when auditing', + phases: [{ title: 'Scan', detail: 'find files' }, { title: 'Fix', model: 'deepseek-v4-pro' }], + }) + // Same line count; the statement's characters blanked; the body intact. + expect(body.split('\n').length).toBe(script.split('\n').length) + expect(body.split('\n')[6]).toBe('const x = 1') + expect(body).not.toContain('export') + }) + + it('allows leading line and block comments before the meta statement', () => { + const script = `// a workflow +/* multi + line */ +export const meta = { name: 'x', description: 'y' } +return 1` + expect(ok(script).meta.name).toBe('x') + }) + + it('handles braces inside strings and comments while scanning', () => { + const script = `export const meta = { + name: 'tricky', // } not a close { + /* } also not } */ + description: "has { braces } and 'quotes'", +} +return 2` + expect(ok(script).meta.description).toBe("has { braces } and 'quotes'") + }) + + it('tolerates template-quoted strings WITHOUT interpolation, escapes included', () => { + const script = 'export const meta = { name: `plain`, description: `esc \\` tick` }\nreturn 1' + expect(ok(script).meta.name).toBe('plain') + }) + + it('consumes a trailing semicolon after the literal, spaces included', () => { + const { body } = ok("export const meta = { name: 'x', description: 'y' };\nreturn 1") + expect(body).not.toContain(';') + expect(body.split('\n')[1]).toBe('return 1') + const spaced = ok("export const meta = { name: 'x', description: 'y' } ;\nreturn 1") + expect(spaced.body).not.toContain(';') + }) + + it('rejects a script that does not begin with the meta statement (SCRIPT_PARSE)', () => { + expect(bad('const a = 1').code).toBe('SCRIPT_PARSE') + expect(bad('').code).toBe('SCRIPT_PARSE') + expect(bad('export const meta = [1]').code).toBe('SCRIPT_PARSE') + }) + + it('rejects template interpolation in the meta block as impure (SCRIPT_PARSE)', () => { + const error = bad('export const meta = { name: `w-${1}`, description: "d" }\nreturn 1') + expect(error.code).toBe('SCRIPT_PARSE') + expect(error.message).toContain('pure literal') + }) + + it('rejects unbalanced literals, unterminated strings, and unterminated comments (SCRIPT_PARSE)', () => { + expect(bad('export const meta = { name: "x", description: "y"').code).toBe('SCRIPT_PARSE') + expect(bad('export const meta = { name: "x').code).toBe('SCRIPT_PARSE') + expect(bad('export const meta = { /* open').code).toBe('SCRIPT_PARSE') + // A line comment running to EOF (no newline) leaves the literal unbalanced. + expect(bad('export const meta = { name: "x" // eof comment').code).toBe('SCRIPT_PARSE') + }) + + it('rejects a literal referencing variables or calls (META_INVALID via the empty realm)', () => { + const error = bad('export const meta = { name: someVariable, description: "d" }\nreturn 1') + expect(error.code).toBe('META_INVALID') + expect(error.message).toContain('pure literal') + expect(bad('export const meta = { name: compute(), description: "d" }').code).toBe('META_INVALID') + }) + + it('rejects a literal evaluating to non-JSON data (META_INVALID via materialization)', () => { + const error = bad('export const meta = { name: "x", description: "d", phases: [{ get title() { return "t" } }] }') + expect(error.code).toBe('META_INVALID') + expect(error.message).toContain('JSON data') + }) + + it('rejects shape violations with EVERY violation listed (META_INVALID)', () => { + const error = bad('export const meta = { description: 7, bogus: 1 }\nreturn 1') + expect(error.code).toBe('META_INVALID') + expect(error.message).toContain('meta.name must be a non-empty string') + expect(error.message).toContain('meta.description must be a non-empty string') + expect(error.message).toContain('meta.bogus is not a recognized field') + }) + + it('rejects malformed whenToUse and phases shapes precisely', () => { + expect(bad('export const meta = { name: "x", description: "d", whenToUse: 3 }').message) + .toContain('meta.whenToUse must be a string') + expect(bad('export const meta = { name: "x", description: "d", phases: "no" }').message) + .toContain('meta.phases must be an array') + expect(bad('export const meta = { name: "x", description: "d", phases: [3] }').message) + .toContain('meta.phases[0] must be an object') + expect(bad('export const meta = { name: "x", description: "d", phases: [{}] }').message) + .toContain('meta.phases[0].title must be a non-empty string') + expect(bad('export const meta = { name: "x", description: "d", phases: [{ title: "t", extra: 1 }] }').message) + .toContain('meta.phases[0].extra is not a recognized field') + expect(bad('export const meta = { name: "x", description: "d", phases: [{ title: "t", detail: 1 }] }').message) + .toContain('meta.phases[0].detail must be a string') + expect(bad('export const meta = { name: "x", description: "d", phases: [{ title: "t", model: 1 }] }').message) + .toContain('meta.phases[0].model must be a string') + }) + + it('stops scanning at the balanced literal — trailing expression text stays in the body', () => { + // The scanner extracts exactly `{ valueOf: null }`; the ` && 3` is body + // text (which would fail compilation later, but extraction sees only the + // literal and reports its unknown field). + expect(bad('export const meta = { valueOf: null } && 3').message) + .toContain('meta.valueOf is not a recognized field') + }) +}) diff --git a/packages/workflow/workflow-vm/tests/realm.spec.ts b/packages/workflow/workflow-vm/tests/realm.spec.ts new file mode 100644 index 0000000000..f374706dba --- /dev/null +++ b/packages/workflow/workflow-vm/tests/realm.spec.ts @@ -0,0 +1,114 @@ +import { describe, expect, it } from 'vitest' +import * as vm from 'node:vm' +import { materializeFromRealm, MaterializeError } from '../src/realm.ts' + +/** Evaluate an expression inside a fresh vm realm and hand back the raw realm value. */ +function inRealm(expression: string): unknown { + return vm.runInNewContext(`(${expression})`) +} + +/** The MaterializeError message for a value that must be rejected (throws if accepted). */ +function rejection(value: unknown): string { + try { + materializeFromRealm(value) + } catch (error: unknown) { + if (error instanceof MaterializeError) return error.message + throw error + } + throw new Error('expected the value to be rejected') +} + +describe('materializeFromRealm', () => { + it('copies realm objects/arrays/scalars into host plain data', () => { + const value = inRealm("{ a: 1, b: 'x', c: true, d: null, list: [1, [2, { deep: 'y' }]] }") + const out = materializeFromRealm(value) as Record + expect(out).toEqual({ a: 1, b: 'x', c: true, d: null, list: [1, [2, { deep: 'y' }]] }) + // The copy is HOST data: prototypes are the host intrinsics. + expect(Object.getPrototypeOf(out)).toBe(Object.prototype) + expect(Array.isArray(out.list)).toBe(true) + // And it round-trips through JSON byte-identically (the whole point). + expect(JSON.parse(JSON.stringify(out))).toEqual(out) + }) + + it('accepts undefined ONLY at the root (a valueless script return)', () => { + expect(materializeFromRealm(undefined)).toBeUndefined() + expect(rejection(inRealm('{ a: undefined }'))).toContain('value.a') + }) + + it('never invokes accessors: a counting getter is rejected, not read', () => { + const counter = inRealm(` + (() => { + globalThis.reads = 0 + return { get x() { globalThis.reads += 1; return 1 } } + })() + `) + expect(rejection(counter)).toContain('accessor properties cannot cross') + // The getter body never ran — descriptor inspection only. + expect((counter as { x?: unknown }).x).toBe(1) // sanity: reading DOES run it… + expect(rejection(counter)).toContain('accessor') // …but materialization still never did + }) + + it('a "__proto__" key becomes an OWN data property of the copy, never a prototype mutation', () => { + const value: unknown = vm.runInNewContext('JSON.parse(\'{"__proto__": {"polluted": 1}, "ok": 2}\')') + const out = materializeFromRealm(value) as Record + expect(Object.getPrototypeOf(out)).toBe(Object.prototype) + expect(Object.prototype.hasOwnProperty.call(out, '__proto__')).toBe(true) + expect(out.ok).toBe(2) + // The host Object.prototype was NOT touched. + expect(({} as Record).polluted).toBeUndefined() + }) + + it('rejects functions, symbols (keys and values), and bigints with path-qualified messages', () => { + expect(rejection(inRealm('{ fn: () => 1 }'))).toContain('value.fn') + expect(rejection(inRealm("{ [Symbol('k')]: 1 }"))).toContain('symbol-keyed') + expect(rejection(inRealm("{ s: Symbol('v') }"))).toContain('value.s') + expect(rejection(inRealm('{ big: 1n }'))).toContain('value.big') + expect(rejection(inRealm("[Symbol('x')]"))).toContain('value[0]') + const taggedArray = inRealm("(() => { const a = [1]; a[Symbol('t')] = 1; return a })()") + expect(rejection(taggedArray)).toContain('symbol-keyed') + }) + + it('rejects non-finite numbers and undefined values inside containers', () => { + expect(rejection(inRealm('{ n: NaN }'))).toContain('non-finite') + expect(rejection(inRealm('[Infinity]'))).toContain('non-finite') + }) + + it('rejects exotic prototypes (Date, Map, class instances) but accepts null-prototype data', () => { + expect(rejection(inRealm('{ d: new Date(0) }'))).toContain('exotic prototype') + expect(rejection(inRealm('new Map()'))).toContain('exotic prototype') + expect(rejection(inRealm('(() => { class C { constructor() { this.x = 1 } } return new C() })()'))) + .toContain('exotic prototype') + expect(materializeFromRealm(inRealm('Object.assign(Object.create(null), { a: 1 })'))).toEqual({ a: 1 }) + }) + + it('rejects cycles and accepts the same object reused as a sibling (a DAG)', () => { + expect(rejection(inRealm('(() => { const o = {}; o.self = o; return o })()'))).toContain('circular') + const dag = inRealm('(() => { const leaf = { v: 1 }; return { a: leaf, b: leaf } })()') + expect(materializeFromRealm(dag)).toEqual({ a: { v: 1 }, b: { v: 1 } }) + }) + + it('rejects sparse arrays, accessor elements, and non-index array properties', () => { + expect(rejection(inRealm('[1, , 3]'))).toContain('sparse') + expect(rejection(inRealm('(() => { const a = [1]; Object.defineProperty(a, 0, { get: () => 1 }); return a })()'))) + .toContain('accessor') + expect(rejection(inRealm('(() => { const a = [1]; a.total = 3; return a })()'))) + .toContain('non-index') + }) + + it('skips non-enumerable own properties (matching JSON.stringify exactly)', () => { + const value = inRealm(`(() => { + const o = { visible: 1 } + Object.defineProperty(o, 'hidden', { value: () => 1, enumerable: false }) + return o + })()`) + expect(materializeFromRealm(value)).toEqual({ visible: 1 }) + }) + + it('works on plain host values too (the boundary is realm-agnostic)', () => { + expect(materializeFromRealm({ a: [1, 'x'] })).toEqual({ a: [1, 'x'] }) + expect(materializeFromRealm('str')).toBe('str') + expect(materializeFromRealm(3)).toBe(3) + expect(materializeFromRealm(false)).toBe(false) + expect(materializeFromRealm(null)).toBeNull() + }) +}) diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts new file mode 100644 index 0000000000..9403dc912e --- /dev/null +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -0,0 +1,614 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import Loader from '@cordisjs/plugin-loader' +import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Agent } from '@deepseek-ai/dsh-agent' +import SubagentService from '@deepseek-ai/dsh-subagent' +import type { SubagentCapabilities, SubagentProvider, SubagentResult, SubagentRun, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' +import type { WorkflowResult, WorkflowRunInfo } from '@deepseek-ai/dsh-workflow' +import * as vmEngineModule from '../src/index.ts' +import VmWorkflowEngine, { type Config } from '../src/index.ts' + +/** A minimal parent stand-in: the engine only threads it through to the provider. */ +function fakeParent(): Agent { + return { id: AgentId('workflow-parent'), options: {} } as unknown as Agent +} + +/** One controllable child run: the test (or auto mode) settles it. */ +interface ControlledRun { + request: SubagentStartRequest + settle(result: SubagentResult): void + cancelled: string | undefined + disposed: boolean +} + +/** + * A scripted in-test provider over the REAL SubagentService registry: `auto` + * settles each run via the reply function on a microtask; `manual` piles runs + * up in `runs` for the test to settle (concurrency/cancellation tests). A run + * aborts (settles `aborted`) when the request signal fires, like the real + * in-process backends. + */ +class StubProvider implements SubagentProvider { + readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: true } + readonly runs: ControlledRun[] = [] + + constructor( + readonly name: string, + private readonly reply?: (request: SubagentStartRequest, index: number) => SubagentResult, + ) {} + + start(request: SubagentStartRequest): SubagentRun { + let settle!: (result: SubagentResult) => void + const result = new Promise((resolve) => { settle = resolve }) + const controlled: ControlledRun = { request, settle, cancelled: undefined, disposed: false } + this.runs.push(controlled) + const index = this.runs.length - 1 + request.signal?.addEventListener('abort', () => { settle({ output: [], stopReason: 'aborted' }) }, { once: true }) + if (this.reply) { + const reply = this.reply + queueMicrotask(() => { settle(reply(request, index)) }) + } + return { + id: AgentId(`stub-child-${index}`), + result, + cancel: (reason?: string) => { + controlled.cancelled = reason ?? 'cancelled' + settle({ output: [], stopReason: 'aborted' }) + }, + dispose: () => { + controlled.disposed = true + return Promise.resolve() + }, + } + } +} + +/** Text-reply helper for auto providers. */ +function text(reply: string): SubagentResult { + return { output: [{ type: 'text', text: reply }], stopReason: 'completed' } +} + +interface SetupOptions { + config?: Config + reply?: (request: SubagentStartRequest, index: number) => SubagentResult + manual?: boolean +} + +async function setup(options?: SetupOptions) { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider = new StubProvider('stub', options?.manual ? undefined : options?.reply ?? (() => text('stub reply'))) + ctx.subagents.registerProvider(provider) + await ctx.plugin(VmWorkflowEngine, { provider: 'stub', ...options?.config }) + return { ctx, provider, parent: fakeParent() } +} + +/** Wrap a body in the minimal valid meta header. */ +function script(body: string, metaExtra = ''): string { + return `export const meta = { name: 'test-flow', description: 'a test workflow'${metaExtra} }\n${body}` +} + +/** Start + await one run, disposing on the way out. */ +async function run(ctx: Context, parent: Agent, source: string, args?: unknown): Promise { + const handle = ctx.workflows.start({ script: source, parent, ...args !== undefined ? { args } : {} }) + try { + return await handle.result + } finally { + await handle.dispose() + } +} + +describe('dsh-workflow-vm', () => { + describe('script execution', () => { + it('runs a script end-to-end: agent() text results, phases, log, args, return value', async () => { + const { ctx, parent, provider } = await setup({ reply: (_request, index) => text(`answer-${index}`) }) + const events: [string, unknown[]][] = [] + for (const name of ['workflow/start', 'workflow/phase', 'workflow/log', 'workflow/agent-start', 'workflow/agent-end', 'workflow/end'] as const) { + ctx.on(name, (...payload: unknown[]) => { events.push([name, payload]) }) + } + const result = await run(ctx, parent, script(` + phase('Scan') + log('starting with ' + args.files.length + ' files') + const answers = await pipeline(args.files, (prev, item) => agent('read ' + item)) + phase('Report') + return { answers, count: args.files.length } + `, ", phases: [{ title: 'Scan' }, { title: 'Report' }]"), { files: ['a.ts', 'b.ts'] }) + + expect(result.stopReason).toBe('completed') + expect(result.agentsStarted).toBe(2) + expect(result.value).toEqual({ answers: ['answer-0', 'answer-1'], count: 2 }) + expect(provider.runs.every(r => r.disposed)).toBe(true) + + const names = events.map(([name]) => name) + expect(names[0]).toBe('workflow/start') + expect(names).toContain('workflow/phase') + expect(names).toContain('workflow/log') + expect(names.at(-1)).toBe('workflow/end') + const info = events[0]![1][0] as WorkflowRunInfo + expect(info.meta.name).toBe('test-flow') + const end = events.at(-1)![1][1] as Record + expect(end).toEqual({ stopReason: 'completed', agentsStarted: 2 }) + expect('value' in end).toBe(false) + }) + + it('agent-start/end events carry seq, label (defaulted from the prompt), phase, and outcome', async () => { + const { ctx, parent } = await setup() + const starts: unknown[] = [] + const ends: unknown[] = [] + ctx.on('workflow/agent-start', (_info, agent) => starts.push(agent)) + ctx.on('workflow/agent-end', (_info, agent) => ends.push(agent)) + await run(ctx, parent, script(` + phase('Find') + await agent('a prompt that is quite long and will surely get truncated down to a display label\\n' + + 'with a second line the label must not include') + await agent('short', { label: 'named', phase: 'Custom' }) + return null + `)) + expect(starts[0]).toMatchObject({ seq: 1, phase: 'Find', childId: 'stub-child-0' }) + expect((starts[0] as { label: string }).label.length).toBeLessThanOrEqual(48) + expect((starts[0] as { label: string }).label).not.toContain('second line') + expect(starts[1]).toMatchObject({ seq: 2, label: 'named', phase: 'Custom' }) + expect(ends[0]).toMatchObject({ seq: 1, outcome: 'completed' }) + }) + + it('agent({schema}) forwards outputSchema to the provider and returns the structured value into the realm', async () => { + const { ctx, parent, provider } = await setup({ + reply: () => ({ output: [], structured: { files: ['x.ts', 'y.ts'] }, stopReason: 'completed' }), + }) + const result = await run(ctx, parent, script(` + const found = await agent('list files', { schema: { type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } }, required: ['files'] } }) + return { first: found.files[0], count: found.files.length } + `)) + expect(result.value).toEqual({ first: 'x.ts', count: 2 }) + expect(provider.runs[0]!.request.outputSchema).toEqual({ + type: 'object', + properties: { files: { type: 'array', items: { type: 'string' } } }, + required: ['files'], + }) + }) + + it('model option maps to agentOptions.model on the start request', async () => { + const { ctx, parent, provider } = await setup() + await run(ctx, parent, script("return await agent('p', { model: 'deepseek-v4-pro' })")) + expect(provider.runs[0]!.request.agentOptions).toEqual({ model: 'deepseek-v4-pro' }) + }) + + it('a failed child resolves null (scripts filter), never throwing into the script', async () => { + const { ctx, parent } = await setup({ + reply: (_request, index) => index === 0 ? { output: [], stopReason: 'error' } : text('ok'), + }) + const result = await run(ctx, parent, script(` + const results = await parallel([() => agent('one'), () => agent('two')]) + return results + `)) + expect(result.value).toEqual([null, 'ok']) + }) + + it('a schema run that completes WITHOUT a structured value is a child failure (null + failed outcome)', async () => { + const { ctx, parent } = await setup({ reply: () => text('prose, no structure') }) + const ends: unknown[] = [] + ctx.on('workflow/agent-end', (_info, agent) => ends.push(agent)) + const result = await run(ctx, parent, script(` + return await agent('p', { schema: { type: 'object' } }) + `)) + expect(result.value).toBeNull() + expect(ends[0]).toMatchObject({ outcome: 'failed' }) + }) + + it('a script with no return value resolves value: null', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script("await agent('p')")) + expect(result.stopReason).toBe('completed') + expect(result.value).toBeNull() + }) + }) + + describe('combinator semantics', () => { + it('pipeline has NO cross-stage barrier: a fast item finishes stage 2 while a slow item holds stage 1', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + script: script(` + const out = await pipeline(['slow', 'fast'], + (prev, item) => agent('s1 ' + item), + (prev, item) => agent('s2 ' + item + ' after ' + prev), + ) + return out + `), + parent: fakeParent(), + }) + // Both items enter stage 1 concurrently. + await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) + // Settle only the FAST item's stage 1 → its stage 2 starts with no barrier. + provider.runs[1]!.settle(text('fast-1')) + await vi.waitFor(() => { expect(provider.runs.length).toBe(3) }) + expect((provider.runs[2]!.request.prompt[0] as { text: string }).text).toBe('s2 fast after fast-1') + // The slow item is still sitting in stage 1. + provider.runs[2]!.settle(text('fast-2')) + provider.runs[0]!.settle(text('slow-1')) + await vi.waitFor(() => { expect(provider.runs.length).toBe(4) }) + provider.runs[3]!.settle(text('slow-2')) + const result = await handle.result + expect(result.value).toEqual(['slow-2', 'fast-2']) + await handle.dispose() + void parent + }) + + it('pipeline stage callbacks receive (prev, item, index); an ordinary stage throw nulls the ITEM and skips its remaining stages', async () => { + const { ctx, parent, provider } = await setup({ reply: request => text(`ok:${(request.prompt[0] as { text: string }).text}`) }) + const result = await run(ctx, parent, script(` + const out = await pipeline([10, 20], + (prev, item, index) => { + if (item === 10) throw new Error('ordinary failure') + return agent('stage1-' + item + '-' + index) + }, + (prev) => agent('stage2 saw ' + prev), + ) + return out + `)) + expect(result.stopReason).toBe('completed') + const prompts = provider.runs.map(r => (r.request.prompt[0] as { text: string }).text) + // Item 10 never reached stage 1's agent nor stage 2. + expect(prompts).toEqual(['stage1-20-1', 'stage2 saw ok:stage1-20-1']) + expect(result.value).toEqual([null, 'ok:stage2 saw ok:stage1-20-1']) + }) + + it('parallel maps a throwing thunk to null and never rejects for ordinary errors', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + return await parallel([ + () => { throw new Error('boom') }, + () => agent('fine'), + () => 'plain value', + ]) + `)) + expect(result.value).toEqual([null, 'stub reply', 'plain value']) + }) + + it('FATAL errors propagate through parallel AND pipeline instead of dissolving into null', async () => { + const { ctx, parent } = await setup() + const viaParallel = await run(ctx, parent, script(` + return await parallel([() => agent('x', { isolation: 'worktree' })]) + `)) + expect(viaParallel.stopReason).toBe('error') + expect(viaParallel.error).toContain('"isolation" is deferred') + + const viaPipeline = await run(ctx, parent, script(` + return await pipeline([1], () => agent('x', { bogus: true })) + `)) + expect(viaPipeline.stopReason).toBe('error') + expect(viaPipeline.error).toContain('"bogus" is not recognized') + }) + + it('validates combinator arguments loudly (non-array, non-function, missing stages)', async () => { + const { ctx, parent } = await setup() + expect((await run(ctx, parent, script("return await parallel('no')"))).error).toContain('parallel() requires an array') + expect((await run(ctx, parent, script('return await parallel([3])'))).error).toContain('item 0 is not a function') + expect((await run(ctx, parent, script("return await pipeline('no', () => 1)"))).error).toContain('pipeline() requires an items array') + expect((await run(ctx, parent, script('return await pipeline([1])'))).error).toContain('at least one stage') + expect((await run(ctx, parent, script("return await pipeline([1], 'x')"))).error).toContain('stage 0 is not a function') + }) + }) + + describe('caps and option validation', () => { + it('trips the total-agent cap with a message naming the config knob', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', maxTotalAgents: 2 } }) + const result = await run(ctx, parent, script(` + await agent('1'); await agent('2'); await agent('3') + return 'unreachable' + `)) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('total agent cap (2)') + expect(result.error).toContain('maxTotalAgents') + expect(result.agentsStarted).toBe(2) + }) + + it('trips the per-call item cap for parallel and pipeline', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', maxItemsPerCall: 2 } }) + expect((await run(ctx, parent, script('return await parallel([() => 1, () => 2, () => 3])'))).error) + .toContain('over the per-call cap (2)') + expect((await run(ctx, parent, script('return await pipeline([1, 2, 3], (x) => x)'))).error) + .toContain('maxItemsPerCall') + }) + + it('enforces the concurrency ceiling: never more than maxConcurrentAgents children in flight', async () => { + const { ctx, parent, provider } = await setup({ manual: true, config: { provider: 'stub', maxConcurrentAgents: 2 } }) + const handle = ctx.workflows.start({ + script: script("return await parallel([1, 2, 3, 4, 5].map((n) => () => agent('job ' + n)))"), + parent, + }) + // Only 2 children may exist until one settles. + await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) + await new Promise(resolve => setTimeout(resolve, 20)) + expect(provider.runs.length).toBe(2) + // Settle children in arrival order; after each settle at most ONE more + // child may enter — the window never exceeds the ceiling. + for (let index = 0; index < 5; index++) { + await vi.waitFor(() => { expect(provider.runs.length).toBeGreaterThan(index) }) + expect(provider.runs.length).toBeLessThanOrEqual(Math.min(index + 2, 5)) + provider.runs[index]!.settle(text(`r${index}`)) + } + const result = await handle.result + expect(result.stopReason).toBe('completed') + expect(result.agentsStarted).toBe(5) + expect(result.value).toEqual(['r0', 'r1', 'r2', 'r3', 'r4']) + await handle.dispose() + }) + + it('rejects malformed agent() arguments and option types loudly', async () => { + const { ctx, parent } = await setup() + expect((await run(ctx, parent, script('return await agent(42)'))).error).toContain('non-empty prompt string') + expect((await run(ctx, parent, script("return await agent('')"))).error).toContain('non-empty prompt string') + expect((await run(ctx, parent, script("return await agent('p', 'opts')"))).error).toContain('options must be an object') + expect((await run(ctx, parent, script("return await agent('p', { label: 3 })"))).error).toContain('"label" must be a string') + expect((await run(ctx, parent, script("return await agent('p', { effort: 'high' })"))).error).toContain('"effort" is deferred') + }) + + it('rejects options that are not plain JSON data (an accessor smuggled into opts)', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script("return await agent('p', { get label() { return 'x' } })")) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('options must be plain JSON data') + }) + + it('validates phase() and log() arguments loudly', async () => { + const { ctx, parent } = await setup() + expect((await run(ctx, parent, script('phase(3)'))).error).toContain('phase() requires a non-empty title string') + expect((await run(ctx, parent, script("phase('')"))).error).toContain('phase() requires a non-empty title string') + expect((await run(ctx, parent, script('log(3)'))).error).toContain('log() requires a message string') + }) + + it('rejects an unsupported schema via the shared subset assertion (UNSUPPORTED_SCHEMA)', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script("return await agent('p', { schema: { type: 'object', oneOf: [] } })")) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('outside the supported subset') + expect(result.error).toContain('oneOf') + }) + + it('wraps a provider start failure as a fatal AGENT_START error (a missing provider cannot dissolve into null)', async () => { + const { ctx, parent } = await setup({ config: { provider: 'nonexistent' } }) + const result = await run(ctx, parent, script("return await pipeline([1], () => agent('p'))")) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('could not start a child on provider "nonexistent"') + }) + }) + + describe('determinism bans and realm isolation', () => { + it('Date.now, Math.random, and argless new Date throw; parameterized Date stays usable', async () => { + const { ctx, parent } = await setup() + expect((await run(ctx, parent, script('return Date.now()'))).error).toContain('Date.now() is not available') + expect((await run(ctx, parent, script('return Math.random()'))).error).toContain('Math.random() is not available') + expect((await run(ctx, parent, script('return new Date().toISOString()'))).error).toContain('argless new Date()') + const ok = await run(ctx, parent, script('return new Date(0).getTime()')) + expect(ok.value).toBe(0) + }) + + it('args cross into the realm as data: mutating them (or their prototype chain) cannot reach host intrinsics', async () => { + const { ctx, parent } = await setup() + const hostArgs = { files: ['a.ts'], nested: { deep: [1, 2] } } + const result = await run(ctx, parent, script(` + args.files.push('b.ts') + Object.getPrototypeOf(args).polluted = 'realm-only' + return { count: args.files.length, deep: args.nested.deep[1] } + `), hostArgs) + expect(result.value).toEqual({ count: 2, deep: 2 }) + // The host copy is untouched, and the HOST Object.prototype was never reachable. + expect(hostArgs.files).toEqual(['a.ts']) + expect(({} as Record).polluted).toBeUndefined() + }) + + it('scalar/null args pass through directly; absent args leave the global undefined', async () => { + const { ctx, parent } = await setup() + expect((await run(ctx, parent, script('return args * 2'), 21)).value).toBe(42) + expect((await run(ctx, parent, script('return args === null'), null)).value).toBe(true) + expect((await run(ctx, parent, script('return typeof args'))).value).toBe('undefined') + }) + + it('a non-JSON return value fails loud as RESULT_UNSERIALIZABLE', async () => { + const { ctx, parent } = await setup() + const withDate = await run(ctx, parent, script('return { when: new Date(0) }')) + expect(withDate.stopReason).toBe('error') + expect(withDate.error).toContain('not plain JSON data') + const withFn = await run(ctx, parent, script('return { fn: () => 1 }')) + expect(withFn.error).toContain('not plain JSON data') + }) + + it('kills a synchronous spin in the initial slice via the vm timeout', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', syncTimeoutMs: 50 } }) + const result = await run(ctx, parent, script('while (true) {}')) + expect(result.stopReason).toBe('error') + expect(result.error?.toLowerCase()).toContain('timed out') + }) + }) + + describe('lifecycle: parse errors, cancellation, disposal', () => { + it('start() throws synchronously for an unparseable script or invalid meta', async () => { + const { ctx, parent } = await setup() + expect(() => ctx.workflows.start({ script: 'const x = 1', parent })).toThrow(/must begin with/) + expect(() => ctx.workflows.start({ script: script('return ((('), parent })).toThrow(/does not parse/) + }) + + it('cancel() aborts in-flight children and settles the run cancelled', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ script: script("return await agent('long job')"), parent }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + handle.cancel('user stopped it') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('user stopped it') + expect(provider.runs[0]!.disposed).toBe(true) + await handle.dispose() + }) + + it('an already-aborted request signal cancels before any child starts', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const controller = new AbortController() + controller.abort() + const handle = ctx.workflows.start({ script: script("return await agent('never')"), parent, signal: controller.signal }) + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(provider.runs.length).toBe(0) + await handle.dispose() + }) + + it('the signal aborting mid-run cancels like cancel()', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const controller = new AbortController() + const handle = ctx.workflows.start({ script: script("return await agent('job')"), parent, signal: controller.signal }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + controller.abort() + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + await handle.dispose() + }) + + it('reports a non-Error script throw (a thrown string) faithfully', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script("throw 'plain string failure'")) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('plain string failure') + }) + + it('a script Error surfaces its stack, carrying the script line numbers (lineOffset)', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script("throw new Error('with stack')")) + expect(result.stopReason).toBe('error') + // Line 1 is the blanked meta statement; the throw sits on line 2. + expect(result.error).toContain('workflow:test-flow:2') + }) + + it('an object throw with neither stack nor message stringifies', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script('throw { code: 42 }')) + expect(result.stopReason).toBe('error') + expect(result.error).toBe('[object Object]') + }) + + it('falls back to the message for an Error whose stack was stripped', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + const e = new Error('stackless failure') + e.stack = undefined + throw e + `)) + expect(result.stopReason).toBe('error') + expect(result.error).toBe('stackless failure') + }) + + it('a waiter resumed by a release RACING a cancel still dies at the post-acquire check', async () => { + const { ctx, parent, provider } = await setup({ manual: true, config: { provider: 'stub', maxConcurrentAgents: 1 } }) + const handle = ctx.workflows.start({ + script: script("return await parallel([() => agent('a'), () => agent('b')])"), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + // Same synchronous block: the release resolves b's waiter, then the + // cancel lands BEFORE b's continuation runs — b must not start a child. + provider.runs[0]!.settle(text('a-done')) + handle.cancel('raced') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(provider.runs.length).toBe(1) + await handle.dispose() + }) + + it('a dropped agent() promise cannot become an unhandled rejection when cancellation lands', async () => { + const unhandled: unknown[] = [] + const onUnhandled = (reason: unknown): void => { unhandled.push(reason) } + process.on('unhandledRejection', onUnhandled) + try { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + script: script(` + agent('dropped, never awaited') + return await agent('awaited') + `), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) + handle.cancel() + await handle.result + await handle.dispose() + // Let any stray rejection reach the process hook before asserting. + await new Promise(resolve => setTimeout(resolve, 20)) + expect(unhandled).toEqual([]) + } finally { + process.off('unhandledRejection', onUnhandled) + } + }) + + it('dispose() abandons a stuck script after the grace instead of hanging (result stays pending)', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) + const handle = ctx.workflows.start({ + // No hooks involved: an unsettleable await the engine cannot reject. + script: script("await new Promise(() => {})\nreturn 'unreachable'"), + parent, + }) + const before = Date.now() + await handle.dispose() + expect(Date.now() - before).toBeLessThan(1000) + const settled = await Promise.race([handle.result.then(() => 'settled'), Promise.resolve('pending')]) + expect(settled).toBe('pending') + }) + + it('dispose() is idempotent and settles cleanly after a completed run', async () => { + const { ctx, parent } = await setup() + const handle = ctx.workflows.start({ script: script('return 1'), parent }) + await handle.result + await handle.dispose() + await handle.dispose() + }) + + it('strays: children fired without await are aborted once the script settles', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + script: script(` + agent('stray') + return 'done without awaiting' + `), + parent, + }) + const result = await handle.result + expect(result.stopReason).toBe('completed') + await vi.waitFor(() => { + expect(provider.runs.length).toBe(1) + expect(provider.runs[0]!.disposed).toBe(true) + }) + await handle.dispose() + }) + }) + + describe('service surface', () => { + it('run ids are unique per start; the run handle and event payloads hold SEPARATE meta clones', async () => { + const { ctx, parent } = await setup() + let eventMeta: WorkflowRunInfo | undefined + ctx.on('workflow/start', (info) => { eventMeta = info }) + const first = ctx.workflows.start({ script: script('return 1'), parent }) + const second = ctx.workflows.start({ script: script('return 2'), parent }) + expect(first.id).not.toBe(second.id) + // Mutating a listener's snapshot cannot corrupt the holder's view. + eventMeta!.meta.name = 'corrupted' + expect(second.meta.name).toBe('test-flow') + await Promise.all([first.result, second.result]) + await first.dispose() + await second.dispose() + }) + + it('unregisters ctx.workflows when the engine fiber is disposed (HMR safety)', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const fiber = await ctx.plugin(VmWorkflowEngine, {}) + expect(ctx.get('workflows')).toBeDefined() + await fiber.dispose() + expect(ctx.get('workflows')).toBeUndefined() + }) + + it('has the class-plugin export shape (default = the engine service class)', () => { + expect(vmEngineModule.default).toBe(VmWorkflowEngine) + const loader = Object.create(Loader.prototype) as Loader + const unwrapped: unknown = loader.unwrapExports(vmEngineModule) + expect(unwrapped).toBe(VmWorkflowEngine) + }) + }) +}) diff --git a/packages/workflow/workflow-vm/tests/workflow.e2e.ts b/packages/workflow/workflow-vm/tests/workflow.e2e.ts new file mode 100644 index 0000000000..6ddfdb7251 --- /dev/null +++ b/packages/workflow/workflow-vm/tests/workflow.e2e.ts @@ -0,0 +1,131 @@ +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop from '@deepseek-ai/dsh-agent-loop' +import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' +import SubagentService from '@deepseek-ai/dsh-subagent' +import * as Spawn from '@deepseek-ai/dsh-subagent-spawn' +import * as ToolWorkflow from '@deepseek-ai/dsh-tool-workflow' +import { CallId } from '@deepseek-ai/dsh-llm' +import VmWorkflowEngine from '../src/index.ts' + +/** + * With-key e2e for the workflow engine: a REAL script drives REAL spawn + * children against the live DeepSeek API — one plain child and one schema'd + * child through the real structured-output runtime — and the run's value, + * events, and child sessions are asserted from the outside (never the + * script's self-report alone). Key-gated (self-skips without + * DEEPSEEK_API_KEY). + */ + +let ctx: Context | undefined + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined +}) + +async function harness(): Promise { + const built = new Context() + await built.plugin(LlmService) + await built.plugin(SessionStore) + await built.plugin(SystemPrompt) + await built.plugin(ToolRegistry) + await built.plugin(AgentRegistry) + await built.plugin(AgentLoop, { agents: [] }) + await built.plugin(LlmDeepSeek, { models: ['deepseek-v4-flash'] }) + await built.plugin(SubagentService) + await built.plugin(Spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) + await built.plugin(VmWorkflowEngine, { provider: 'spawn' }) + await built.plugin(ToolWorkflow, {}) + return built +} + +const SCRIPT = `export const meta = { + name: 'e2e-arithmetic', + description: 'two real children: one prose, one structured', + phases: [{ title: 'Ask' }, { title: 'Judge' }], +} +phase('Ask') +log('asking the prose child') +const prose = await agent('Reply with exactly one short sentence: what is 2 + 2?') +phase('Judge') +const judged = await agent( + 'Here is an answer to the question "what is 2+2": ' + prose + + ' — report whether it contains the number 4 and your confidence between 0 and 1.', + { schema: { type: 'object', properties: { containsFour: { type: 'boolean' }, confidence: { type: 'number' } }, required: ['containsFour'] } }, +) +return { prose, containsFour: judged === null ? null : judged.containsFour }` + +describe.skipIf(!process.env.DEEPSEEK_API_KEY)('workflow engine with-key e2e', () => { + it('runs a two-phase script over real children, one through the structured runtime', async () => { + ctx = await harness() + const parentHandle = ctx.agents.create({ + agentId: AgentId('wf-e2e-parent'), + sessionId: 'wf-e2e-session' as never, + agentOptions: { model: 'deepseek-v4-flash' }, + }) + + const events: string[] = [] + const childIds: string[] = [] + for (const name of ['workflow/start', 'workflow/phase', 'workflow/log', 'workflow/agent-start', 'workflow/agent-end', 'workflow/end'] as const) { + ctx.on(name, (...payload: unknown[]) => { + events.push(name) + if (name === 'workflow/agent-start') childIds.push((payload[1] as { childId: string }).childId) + }) + } + + const run = ctx.workflows.start({ script: SCRIPT, parent: parentHandle.agent }) + const result = await run.result + await run.dispose() + + expect(result.stopReason).toBe('completed') + expect(result.agentsStarted).toBe(2) + const value = result.value as { prose: string; containsFour: boolean | null } + // World checks: the prose child really answered (a real completion), and + // the structured child judged it against the REAL schema-forced tool. + expect(value.prose.length).toBeGreaterThan(0) + expect(value.containsFour).toBe(true) + + expect(events[0]).toBe('workflow/start') + expect(events.at(-1)).toBe('workflow/end') + expect(events.filter(name => name === 'workflow/phase').length).toBe(2) + expect(events.filter(name => name === 'workflow/agent-start').length).toBe(2) + expect(childIds.length).toBe(2) + // The children were disposed to quiescence after collection. + for (const childId of childIds) { + expect(ctx.agents.get(AgentId(childId))).toBeUndefined() + } + await parentHandle.dispose() + }, 240_000) + + it('the workflow TOOL runs the same path through the real registry pipeline', async () => { + ctx = await harness() + const parentHandle = ctx.agents.create({ + agentId: AgentId('wf-e2e-tool-parent'), + sessionId: 'wf-e2e-tool-session' as never, + agentOptions: { model: 'deepseek-v4-flash' }, + }) + + const result = await ctx.tools.execute({ + callId: CallId('wf-e2e-call'), + name: 'workflow', + arguments: { + script: `export const meta = { name: 'e2e-tool', description: 'one real child via the tool' } +const answer = await agent('Reply with exactly one word: the capital of France.') +return { answer }`, + }, + agent: parentHandle.agent, + }) + + expect(result.isError).toBe(false) + const text = (result.content[0] as { text: string }).text + expect(text).toContain('workflow "e2e-tool" completed (1 agent)') + expect(text.toLowerCase()).toContain('paris') + await parentHandle.dispose() + }, 240_000) +}) diff --git a/packages/workflow/workflow-vm/tsconfig.json b/packages/workflow/workflow-vm/tsconfig.json new file mode 100644 index 0000000000..385651c192 --- /dev/null +++ b/packages/workflow/workflow-vm/tsconfig.json @@ -0,0 +1,39 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../subagent/subagent" + }, + { + "path": "../../core/tools" + }, + { + "path": "../workflow" + } + ] +} diff --git a/packages/workflow/workflow/README.md b/packages/workflow/workflow/README.md new file mode 100644 index 0000000000..1dece68d38 --- /dev/null +++ b/packages/workflow/workflow/README.md @@ -0,0 +1,29 @@ +# @deepseek-ai/dsh-workflow + +The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a workflow engine does — execute a model-written orchestration script that fans out subagents — without saying HOW. The bash-shaped third of the [workflow family](../README.md): implementations subclass `WorkflowService` and register as the `workflows` service (one per context); [`dsh-workflow-vm`](../workflow-vm/README.md) is the first, and [`dsh-tool-workflow`](../tool-workflow/README.md) is the model-facing consumer. + +## Service: `WorkflowService` (abstract) + +`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`). `dispose()` must reach quiescence within a bounded grace (cancel → wait → abandon), never hanging its caller. + +The protected `emitWorkflowEvent` helper dispatches the `workflow/*` events with PER-LISTENER containment (a throwing subscriber is logged, never propagated, and cannot starve later listeners) — the same guarantee as the subagent seam's lifecycle emits. + +## Vocabulary + +- `WorkflowStartRequest` — `{ script, args?, parent: Agent, signal? }`. `parent` is REQUIRED: every child the script spawns is attributed to it. `args` must be plain host-realm JSON data. +- `WorkflowMeta` / `WorkflowPhase` — the script's validated `export const meta` block (Claude Code format: required `name`/`description`, optional `whenToUse`/`phases`). +- `WorkflowRun` — `{ id, meta, result, cancel(reason?), dispose() }`; the consumer awaits `result` and MUST `dispose` on every path. +- `WorkflowResult` — `{ value, stopReason: 'completed'|'cancelled'|'error', error?, agentsStarted }`; `value` is the script's materialized return (plain JSON data; `null` for no return). +- `WorkflowError` — `HarnessError` with a `WorkflowErrorCode` and a `fatal` flag driving the combinator discipline: a fatal error (bad hook arguments, unsupported options/schemas, tripped caps, seam start failures, cancellation) always propagates through `parallel()`/`pipeline()` instead of dissolving into a per-item `null`. `isFatalWorkflowError(error)` is the catch-site predicate. + +## Events + +All observe-only emits carrying DATA SNAPSHOTS (`WorkflowRunInfo` = id + meta) — never the live `WorkflowRun`, so a listener cannot gain `cancel`/`dispose`; control stays with the `start()` caller: + +- `workflow/start`(info) / `workflow/end`(info, resultInfo) — run lifecycle; `resultInfo` deliberately omits the value. +- `workflow/phase`(info, title) / `workflow/log`(info, message) — script narration. +- `workflow/agent-start`(info, agent) / `workflow/agent-end`(info, agent + outcome) — one pair per `agent()` call, correlated by `seq`. + +## Non-goals (this cut) + +Background collection, journaling/resume, saved workflows, nested `workflow()`, token budgets — see the [RFC's deferred section](../../../docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md). diff --git a/packages/workflow/workflow/package.json b/packages/workflow/workflow/package.json new file mode 100644 index 0000000000..a6c004d6d0 --- /dev/null +++ b/packages/workflow/workflow/package.json @@ -0,0 +1,37 @@ +{ + "name": "@deepseek-ai/dsh-workflow", + "description": "Workflow capability seam: ctx.workflows service, run vocabulary, and workflow/* events", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts new file mode 100644 index 0000000000..ab5e056b37 --- /dev/null +++ b/packages/workflow/workflow/src/index.ts @@ -0,0 +1,224 @@ +/** + * The workflow capability seam (`ctx.workflows`): an abstract service defining + * WHAT a workflow engine does — execute a model-written orchestration script + * that fans out subagents — without saying HOW. Implementations subclass + * {@link WorkflowService} and register as the `workflows` service (one + * implementation per context, cordis' standard duplicate-service behavior); + * `@deepseek-ai/dsh-workflow-vm` (an in-process `node:vm` engine) is the + * first. Future engines (a worker-thread or isolated-vm sandbox) swap in + * without touching the model-facing tool that consumes them + * (`@deepseek-ai/dsh-tool-workflow`). + * + * The `workflow/*` lifecycle events are OBSERVE-ONLY data snapshots: they + * carry {@link WorkflowRunInfo} (id + meta), never the live {@link WorkflowRun} + * — a listener must not gain `cancel`/`dispose`; control stays with the + * `start()` caller holding the run. Every emit is per-listener contained (a + * throwing subscriber is logged, never propagated), so one bad observer can + * neither strand a live run nor starve later listeners. + * + * @module @deepseek-ai/dsh-workflow + */ + +import { Context, Service } from 'cordis' +import { HarnessError } from '@deepseek-ai/dsh-llm' +import type { + WorkflowAgentEndInfo, + WorkflowAgentInfo, + WorkflowResultInfo, + WorkflowRun, + WorkflowRunInfo, + WorkflowStartRequest, +} from './types.ts' + +export { WorkflowRunId } from './types.ts' +export type { + WorkflowAgentEndInfo, + WorkflowAgentInfo, + WorkflowAgentOutcome, + WorkflowMeta, + WorkflowPhase, + WorkflowResult, + WorkflowResultInfo, + WorkflowRun, + WorkflowRunInfo, + WorkflowStartRequest, + WorkflowStopReason, +} from './types.ts' + +declare module 'cordis' { + interface Context { + workflows: WorkflowService + } + + interface Events { + /** + * A workflow run started — the script's meta block validated, the body + * about to execute. Paired with {@link Events['workflow/end']}. + * @param info - the run's identity snapshot (id + meta). + * @mode emit + */ + 'workflow/start'(info: WorkflowRunInfo): void + /** + * The script entered a phase (a `phase(title)` call) — progress grouping + * for observers; no execution semantics. + * @param info - the run's identity snapshot. + * @param title - the phase title, verbatim. + * @mode emit + */ + 'workflow/phase'(info: WorkflowRunInfo, title: string): void + /** + * The script emitted a narration line (a `log(message)` call). + * @param info - the run's identity snapshot. + * @param message - the logged message, verbatim. + * @mode emit + */ + 'workflow/log'(info: WorkflowRunInfo, message: string): void + /** + * One `agent()` call started a child run. Paired with + * {@link Events['workflow/agent-end']} by `agent.seq`. + * @param info - the run's identity snapshot. + * @param agent - the call's sequence number, label, phase, and child id. + * @mode emit + */ + 'workflow/agent-start'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void + /** + * One `agent()` call settled (clean result, child failure, or run + * cancellation). Paired with {@link Events['workflow/agent-start']}. + * @param info - the run's identity snapshot. + * @param agent - the call identity plus its outcome. + * @mode emit + */ + 'workflow/agent-end'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void + /** + * A workflow run settled (any stop reason). Fired when + * {@link WorkflowRun.result} resolves. Paired with + * {@link Events['workflow/start']}. + * @param info - the run's identity snapshot. + * @param result - the outcome data (stop reason, error, agent count) — + * deliberately WITHOUT the result value (see {@link WorkflowResultInfo}). + * @mode emit + */ + 'workflow/end'(info: WorkflowRunInfo, result: WorkflowResultInfo): void + } +} + +/** The full set of `workflow/*` event names {@link WorkflowService.emitWorkflowEvent} dispatches. */ +export type WorkflowEventName = + | 'workflow/start' + | 'workflow/phase' + | 'workflow/log' + | 'workflow/agent-start' + | 'workflow/agent-end' + | 'workflow/end' + +/** + * The workflow-seam error codes. Every one of these is FATAL when it reaches + * a script (see {@link WorkflowError.fatal}): the combinators re-throw it + * instead of dissolving it into an ordinary per-item `null`. + * + * - `SCRIPT_PARSE` — the script (or its meta statement) does not parse. + * - `META_INVALID` — the meta block evaluated but fails the shape contract. + * - `INVALID_ARGUMENT` — a hook was called with malformed arguments. + * - `UNSUPPORTED_OPTION` — an `agent()` option this engine does not support + * (deferred: `effort`/`isolation`/`agentType`) or does not know. + * - `UNSUPPORTED_SCHEMA` — an `agent()` schema outside the structured-output + * subset (see dsh-tools). + * - `AGENT_CAP` / `ITEM_CAP` — the run/agent caps tripped. + * - `AGENT_START` — the subagent seam refused to start a child. + * - `RESULT_UNSERIALIZABLE` — a value crossing the realm boundary is not + * plain JSON data. + * - `CANCELLED` — the run was cancelled; pending and future hooks reject + * with this (the script-kill mechanism). + */ +export type WorkflowErrorCode = + | 'SCRIPT_PARSE' + | 'META_INVALID' + | 'INVALID_ARGUMENT' + | 'UNSUPPORTED_OPTION' + | 'UNSUPPORTED_SCHEMA' + | 'AGENT_CAP' + | 'ITEM_CAP' + | 'AGENT_START' + | 'RESULT_UNSERIALIZABLE' + | 'CANCELLED' + +/** + * Typed error for workflow-seam failures. Extends {@link HarnessError}, so the + * `code` is machine-routable taxonomy. `fatal` drives the combinator + * discipline: `parallel()`/`pipeline()` re-throw a fatal error (a typo'd + * option or a tripped cap must kill the script loudly), and reserve the + * per-item `null` for child-run failures and ordinary in-stage script errors. + * Every {@link WorkflowErrorCode} is fatal in this cut; the flag exists so the + * distinction is explicit at every catch site rather than implied. + */ +export class WorkflowError extends HarnessError { + /** Whether combinators must propagate this error instead of nulling the item. */ + readonly fatal: boolean + + constructor(message: string, code: WorkflowErrorCode, options?: ErrorOptions & { fatal?: boolean }) { + super(message, code, options) + this.name = 'WorkflowError' + this.fatal = options?.fatal ?? true + } +} + +/** Whether combinators must re-throw `error` instead of mapping the item to `null`. */ +export function isFatalWorkflowError(error: unknown): boolean { + return error instanceof WorkflowError && error.fatal +} + +/** + * Abstract workflow execution service. Subclass, implement {@link start}, and + * load the subclass as a plugin — it registers as `ctx.workflows` (one + * implementation per context; loading a second throws, cordis' standard + * duplicate-service behavior). + * + * Semantics every implementation must honor: + * - {@link start} throws synchronously for a request that cannot begin (an + * unparseable script, an invalid meta block). Once it returns a + * {@link WorkflowRun}, `result` NEVER rejects — every failure resolves with + * `stopReason: 'error'` (or `'cancelled'`). + * - The `workflow/*` events fire through {@link emitWorkflowEvent} (data + * snapshots, per-listener containment); `workflow/end` fires exactly once + * per started run, after `result` is settled or as it settles. + * - `dispose()` reaches quiescence within a bounded grace: it cancels, waits + * for the script to settle, and abandons a stuck script rather than + * hanging its caller (the engine documents what abandonment leaves behind). + */ +export abstract class WorkflowService extends Service { + constructor(ctx: Context) { + super(ctx, 'workflows') + } + + /** + * Parse and execute a workflow script. + * @param request - the script, its `args`, the parent agent, and an + * optional cancel signal. + * @returns the live run; its `result` resolves when the script settles. + */ + abstract start(request: WorkflowStartRequest): WorkflowRun + + /** + * Emit one `workflow/*` lifecycle event with PER-LISTENER containment: + * dispatch each subscriber individually and log (never propagate) a thrown + * one, so one bad subscriber can neither fail the engine mid-run, surface as + * an unhandled rejection on a detached settle hook, nor starve the listeners + * registered after it (cordis `emit` halts on the first throw — same + * guarantee as the subagent seam's lifecycle emits). + * @param name - the `workflow/*` event to dispatch. + * @param args - the event's payload, matching its declared signature. + */ + protected emitWorkflowEvent(name: WorkflowEventName, ...args: unknown[]): void { + for (const callback of this.ctx.events.dispatch('emit', [name, ...args])) { + try { + // The declared workflow/* signatures are all void-returning emits; the + // dispatch callback applies the payload tuple. + ;(callback as (...payload: unknown[]) => void)(...args) + } catch (error: unknown) { + this.ctx.logger.warn(`workflow: ${name} listener threw: ${String(error)}`) + } + } + } +} + +export default WorkflowService diff --git a/packages/workflow/workflow/src/types.ts b/packages/workflow/workflow/src/types.ts new file mode 100644 index 0000000000..32377ee46b --- /dev/null +++ b/packages/workflow/workflow/src/types.ts @@ -0,0 +1,154 @@ +/** + * Workflow seam vocabulary: the request/run/result types a workflow engine + * consumes and produces, plus the payload shapes of the `workflow/*` events. + * Types only (plus the id-brand factory), per the package convention. + * + * @module @deepseek-ai/dsh-workflow/types + */ + +import type { Branded } from '@deepseek-ai/dsh-brand' +import type { Agent, AgentId } from '@deepseek-ai/dsh-agent' + +/** Identifies one workflow run. */ +export type WorkflowRunId = Branded<'WorkflowRunId'> + +/** Brand a string as a {@link WorkflowRunId}. */ +export function WorkflowRunId(id: string): WorkflowRunId { + return id as WorkflowRunId +} + +/** + * One phase declared in a script's `meta.phases` (progress vocabulary only — + * phases group agents in observers/UIs; they impose no execution structure). + */ +export interface WorkflowPhase { + /** The phase title; `phase()` calls match against it by exact string. */ + title: string + /** Optional one-line description of what the phase does. */ + detail?: string + /** Optional model override this phase is expected to use (informational). */ + model?: string +} + +/** + * The script's `export const meta` block, validated by the engine before the + * body runs. `name`/`description` are required; the rest is optional + * annotation. Matches the Claude Code dynamic-workflows script format. + */ +export interface WorkflowMeta { + /** Short kebab-case workflow name (display + persistence key). */ + name: string + /** One-line description of what the workflow does. */ + description: string + /** Optional guidance on when this workflow applies (shown in listings). */ + whenToUse?: string + /** Optional phase declarations matched by `phase()` calls. */ + phases?: WorkflowPhase[] +} + +/** + * What a caller asks for when starting a workflow run. `parent` is REQUIRED — + * every `agent()` the script spawns is attributed to it (cwd, lineage, depth + * flow through the subagent seam). `args` must be plain host-realm JSON data; + * the engine exposes it to the script as the `args` global. + */ +export interface WorkflowStartRequest { + /** The full script text: `export const meta = {...}` + a plain-JS body. */ + script: string + /** Optional input exposed verbatim to the script as the `args` global. */ + args?: unknown + /** The agent on whose behalf the run executes (parent of every child). */ + parent: Agent + /** Cancels the run when aborted (the tool's `exec.signal`). */ + signal?: AbortSignal +} + +/** + * Why a run settled. CLOSED union (engine-owned, consumers may exhaust): + * `completed` = the script ran to its final `return`; `cancelled` = the run + * was cancelled (caller `cancel()`/signal); `error` = the script threw, a + * fatal `WorkflowError` propagated, or the result failed materialization. + */ +export type WorkflowStopReason = 'completed' | 'cancelled' | 'error' + +/** + * The outcome of one run, resolved by {@link WorkflowRun.result}. `value` is + * the script's materialized return value (plain host-realm JSON data; `null` + * when the script returned `undefined`) — meaningful only for `completed`. + * A non-`completed` reason carries the failure in `error`; the consumer maps + * it to an `isError` tool result rather than reporting partial output. + */ +export interface WorkflowResult { + /** The script's return value (host JSON data; `null` for no return). */ + value: unknown + /** Why the run settled. */ + stopReason: WorkflowStopReason + /** The failure message (present iff `stopReason` is not `completed`). */ + error?: string + /** How many `agent()` calls the run started (across its whole lifetime). */ + agentsStarted: number +} + +/** + * The handle the consumer holds while a script executes. The consumer awaits + * `result`, may `cancel` mid-flight, and MUST `dispose` on every path. + * `result` does NOT reject — a script failure resolves with `stopReason: + * 'error'` — so the consumer maps a non-`completed` reason to an `isError` + * result. `dispose()` cancels, then waits a bounded grace for the script to + * settle before abandoning it (the engine documents the abandonment + * semantics); it never hangs on a stuck script. + */ +export interface WorkflowRun { + readonly id: WorkflowRunId + /** The validated meta block (available before the body runs). */ + readonly meta: WorkflowMeta + readonly result: Promise + /** Cancel the run: children abort, pending hooks reject, the script dies at its next await. */ + cancel(reason?: string): void + /** Cancel + bounded-grace settle; safe to call on every path (idempotent). */ + dispose(): Promise +} + +/** Identifying detail for a run, carried by every `workflow/*` event (a data snapshot, never the live run). */ +export interface WorkflowRunInfo { + /** The run's id. */ + id: WorkflowRunId + /** The run's validated meta block. */ + meta: WorkflowMeta +} + +/** One `agent()` call's identity within a run (the `workflow/agent-start` payload). */ +export interface WorkflowAgentInfo { + /** 1-based sequence number of this `agent()` call within the run. */ + seq: number + /** The display label (the `label` option, or a prompt snippet). */ + label: string + /** The phase this agent belongs to (the `phase` option, else the current `phase()` title). */ + phase?: string + /** The child agent's id on the subagent seam. */ + childId: AgentId +} + +/** How one `agent()` call settled: clean result, child failure (script sees `null`), or run cancellation. */ +export type WorkflowAgentOutcome = 'completed' | 'failed' | 'cancelled' + +/** One `agent()` call's settlement (the `workflow/agent-end` payload). */ +export interface WorkflowAgentEndInfo extends WorkflowAgentInfo { + /** How the call settled. */ + outcome: WorkflowAgentOutcome +} + +/** + * A settled run's outcome as event data (the `workflow/end` payload): the + * {@link WorkflowResult} minus `value` (a listener observing outcomes must not + * receive a mutable alias of the caller's result value; a consumer that needs + * the value holds the run and awaits `result`). + */ +export interface WorkflowResultInfo { + /** Why the run settled. */ + stopReason: WorkflowStopReason + /** The failure message (present iff `stopReason` is not `completed`). */ + error?: string + /** How many `agent()` calls the run started. */ + agentsStarted: number +} diff --git a/packages/workflow/workflow/tests/workflow.spec.ts b/packages/workflow/workflow/tests/workflow.spec.ts new file mode 100644 index 0000000000..a5bd8cd1ed --- /dev/null +++ b/packages/workflow/workflow/tests/workflow.spec.ts @@ -0,0 +1,86 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import WorkflowServiceDefault, { + isFatalWorkflowError, + WorkflowError, + WorkflowRunId, + WorkflowService, +} from '../src/index.ts' +import type { WorkflowRun, WorkflowRunInfo, WorkflowStartRequest } from '../src/index.ts' + +/** A minimal concrete subclass exposing the protected emit helper for tests. */ +class StubEngine extends WorkflowService { + start(request: WorkflowStartRequest): WorkflowRun { + void request + throw new Error('not under test') + } + + emit(name: Parameters[0], ...args: unknown[]): void { + this.emitWorkflowEvent(name, ...args) + } +} + +const INFO: WorkflowRunInfo = { id: WorkflowRunId('run-1'), meta: { name: 'w', description: 'd' } } + +describe('dsh-workflow (interface)', () => { + it('WorkflowRunId brands a string (identity at runtime)', () => { + expect(WorkflowRunId('abc')).toBe('abc') + }) + + it('WorkflowError carries code + fatal (default true) and reads as a HarnessError', () => { + const error = new WorkflowError('cap hit', 'AGENT_CAP') + expect(error.code).toBe('AGENT_CAP') + expect(error.fatal).toBe(true) + expect(error.name).toBe('WorkflowError') + const soft = new WorkflowError('advisory', 'ITEM_CAP', { fatal: false }) + expect(soft.fatal).toBe(false) + }) + + it('isFatalWorkflowError: true only for a fatal WorkflowError', () => { + expect(isFatalWorkflowError(new WorkflowError('x', 'CANCELLED'))).toBe(true) + expect(isFatalWorkflowError(new WorkflowError('x', 'CANCELLED', { fatal: false }))).toBe(false) + expect(isFatalWorkflowError(new Error('plain'))).toBe(false) + expect(isFatalWorkflowError('string')).toBe(false) + }) + + it('registers as ctx.workflows and unregisters when its fiber is disposed (HMR safety)', async () => { + const ctx = new Context() + const fiber = await ctx.plugin(StubEngine) + expect(ctx.get('workflows')).toBeInstanceOf(StubEngine) + await fiber.dispose() + expect(ctx.get('workflows')).toBeUndefined() + }) + + it('emitWorkflowEvent dispatches to every listener with the payload tuple', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const seen: unknown[][] = [] + ctx.on('workflow/log', (info, message) => { seen.push([info, message]) }) + ctx.on('workflow/agent-start', (info, agent) => { seen.push([info, agent]) }) + const engine = ctx.workflows as StubEngine + engine.emit('workflow/log', INFO, 'hello') + engine.emit('workflow/agent-start', INFO, { seq: 1, label: 'l', childId: 'c' }) + expect(seen).toEqual([ + [INFO, 'hello'], + [INFO, { seq: 1, label: 'l', childId: 'c' }], + ]) + }) + + it('contains a throwing listener PER LISTENER: later listeners still run, nothing propagates', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => ctx.logger) + const reached: string[] = [] + ctx.on('workflow/phase', () => { throw new Error('bad listener') }) + ctx.on('workflow/phase', (_info, title) => { reached.push(title) }) + const engine = ctx.workflows as StubEngine + expect(() => { engine.emit('workflow/phase', INFO, 'Scan') }).not.toThrow() + expect(reached).toEqual(['Scan']) + expect(warn).toHaveBeenCalledOnce() + expect(String(warn.mock.calls[0]![0])).toContain('workflow/phase listener threw') + }) + + it('has the expected export surface (default = the abstract service class)', () => { + expect(WorkflowServiceDefault).toBe(WorkflowService) + }) +}) diff --git a/packages/workflow/workflow/tsconfig.json b/packages/workflow/workflow/tsconfig.json new file mode 100644 index 0000000000..6ec42e0bfe --- /dev/null +++ b/packages/workflow/workflow/tsconfig.json @@ -0,0 +1,27 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + } + ] +} diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 06189862f2..7877dc9fad 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -635,6 +635,12 @@ importers: '@deepseek-ai/dsh-subagent': specifier: workspace:^ version: link:../subagent + '@deepseek-ai/dsh-subagent-fork': + specifier: workspace:^ + version: link:../subagent-fork + '@deepseek-ai/dsh-subagent-spawn': + specifier: workspace:^ + version: link:../subagent-spawn '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../../core/system-prompt @@ -1039,6 +1045,95 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/workflow/tool-workflow: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../../core/system-prompt + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools + '@deepseek-ai/dsh-workflow': + specifier: workspace:^ + version: link:../workflow + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/workflow/workflow: + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-brand': + specifier: workspace:^ + version: link:../../util/brand + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/workflow/workflow-vm: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-agent-loop': + specifier: workspace:^ + version: link:../../core/agent-loop + '@deepseek-ai/dsh-brand': + specifier: workspace:^ + version: link:../../util/brand + '@deepseek-ai/dsh-invariants': + specifier: workspace:^ + version: link:../../support/invariants + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-subagent': + specifier: workspace:^ + version: link:../../subagent/subagent + '@deepseek-ai/dsh-subagent-spawn': + specifier: workspace:^ + version: link:../../subagent/subagent-spawn + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../../core/system-prompt + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools + '@deepseek-ai/dsh-workflow': + specifier: workspace:^ + version: link:../workflow + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + vendor/cordis: dependencies: '@cordisjs/plugin-include': diff --git a/scripts/doc-budgets.manifest.json b/scripts/doc-budgets.manifest.json index 26db66b995..9058427020 100644 --- a/scripts/doc-budgets.manifest.json +++ b/scripts/doc-budgets.manifest.json @@ -1,5 +1,5 @@ { - "AGENTS.md": 1575, + "AGENTS.md": 1590, "docs/AGENTS.md": 1315, "docs/architecture.md": 1890, "docs/defensive-patterns.md": 550, diff --git a/scripts/gen-tool-catalog.ts b/scripts/gen-tool-catalog.ts index 9dd8e0a6e6..ce1fee586a 100644 --- a/scripts/gen-tool-catalog.ts +++ b/scripts/gen-tool-catalog.ts @@ -51,6 +51,8 @@ import * as ToolFs from '@deepseek-ai/dsh-tool-fs' import * as ToolTodo from '@deepseek-ai/dsh-tool-todo' import * as ToolSubagent from '@deepseek-ai/dsh-tool-subagent' import * as ToolWeb from '@deepseek-ai/dsh-tool-web' +import VmWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' +import * as ToolWorkflow from '@deepseek-ai/dsh-tool-workflow' const root = resolve(import.meta.dirname, '..') const OUT = 'docs/tool-catalog/tools.md' @@ -138,6 +140,20 @@ const TOOL_PACKAGES: ToolPackage[] = [ await ctx.plugin(ToolTodo) }, }, + { + pkg: '@deepseek-ai/dsh-tool-workflow', + dir: 'tool-workflow', + source: 'packages/workflow/tool-workflow/src/index.ts', + async mount(ctx) { + // The tool injects `workflows`; boot the vm engine over a scripted + // subagent provider to satisfy it. The schema does not depend on which + // provider backs the engine. + await ctx.plugin(SubagentService) + await ctx.plugin(SubagentMock, { name: 'mock' }) + await ctx.plugin(VmWorkflowEngine, { provider: 'mock' }) + await ctx.plugin(ToolWorkflow) + }, + }, { pkg: '@deepseek-ai/dsh-tool-web', dir: 'tool-web', diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index b1c3163782..18927fc884 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -1,82 +1,365 @@ { "comment": "Maps each ` ```ts type-equiv ` block (by doc + declared symbol) to the source symbol it must match verbatim. verify-type-equiv.ts enforces a 1:1 correspondence: every type-equiv block has exactly one entry here, and every entry resolves to exactly one block. Add an entry when you add a type-equiv block; remove it when you remove the block.", "entries": [ - { "doc": "docs/core-data-structures/core.md", "symbol": "Branded", "source": "packages/util/brand/src/index.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "ContentBlockMap", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "Message", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "MessageSourceMap", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "FinishReasonMap", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "GenerateOptions", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "ToolSchema", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "SessionEvent", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "Agent", "source": "packages/core/agent/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "HookContext", "source": "packages/core/agent/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "PromptDecision", "source": "packages/core/agent/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "ContinuationDecision", "source": "packages/core/agent/src/types.ts" }, - { "doc": "docs/core-data-structures/core.md", "symbol": "SessionStartSource", "source": "packages/core/agent/src/types.ts" }, - - { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "StreamChunk", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "TokenUsage", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "ContentBlockMap", "source": "packages/llm/llm/src/types.ts" }, - { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "AppIdentity", "source": "packages/llm/llm/src/attribution.ts" }, - - { "doc": "docs/core-data-structures/session.md", "symbol": "SessionEventMap", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "TodoItem", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "SessionEvent", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "TurnTriggerMap", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "TurnEndReasonMap", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "SurfaceEventType", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "SurfaceOp", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "SurfaceIntent", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/session.md", "symbol": "SurfaceNode", "source": "packages/core/session/src/surface.ts" }, - - { "doc": "docs/core-data-structures/persistence.md", "symbol": "SessionHeader", "source": "packages/core/session/src/types.ts" }, - { "doc": "docs/core-data-structures/persistence.md", "symbol": "CreateSessionOptions", "source": "packages/core/session/src/types.ts" }, - - { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolDefinition", "source": "packages/core/tools/src/index.ts" }, - { "doc": "docs/core-data-structures/tools.md", "symbol": "SchemaProp", "source": "packages/core/tools/src/schema.ts" }, - { "doc": "docs/core-data-structures/tools.md", "symbol": "SchemaSpec", "source": "packages/core/tools/src/schema.ts" }, - { "doc": "docs/core-data-structures/tools.md", "symbol": "InferArgs", "source": "packages/core/tools/src/schema.ts" }, - { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolExecution", "source": "packages/core/tools/src/index.ts" }, - { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolExecutionResult", "source": "packages/core/tools/src/index.ts" }, - { "doc": "docs/core-data-structures/tools.md", "symbol": "PreToolDecision", "source": "packages/core/tools/src/index.ts" }, - { "doc": "docs/core-data-structures/tools.md", "symbol": "PostToolDecision", "source": "packages/core/tools/src/index.ts" }, - - { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecRequest", "source": "packages/bash/bash/src/types.ts" }, - { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecSpec", "source": "packages/bash/bash/src/types.ts" }, - { "doc": "docs/core-data-structures/bash.md", "symbol": "BashRunResult", "source": "packages/bash/bash/src/types.ts" }, - { "doc": "docs/core-data-structures/bash.md", "symbol": "CollectedOutput", "source": "packages/bash/bash/src/types.ts" }, - { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTask", "source": "packages/bash/bash/src/types.ts" }, - { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTaskRead", "source": "packages/bash/bash/src/types.ts" }, - - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsTarget", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsTargetKey", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsVersion", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsInfo", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsDirEntry", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsWriteIntent", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsWriteOutcome", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsEditRequest", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsEditOutcome", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsErrorCode", "source": "packages/fs/fs/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsPolicyExec", "source": "packages/fs/fs-policy/src/types.ts" }, - { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FileReadOutcome", "source": "packages/fs/tool-fs/src/read-render.ts" }, - - { "doc": "docs/core-data-structures/compaction.md", "symbol": "CompactionResult", "source": "packages/compact/compact/src/types.ts" }, - - { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentCapabilities", "source": "packages/subagent/subagent/src/types.ts" }, - { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentStartRequest", "source": "packages/subagent/subagent/src/types.ts" }, - { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentResult", "source": "packages/subagent/subagent/src/types.ts" }, - { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentStopReasonMap", "source": "packages/subagent/subagent/src/types.ts" }, - { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentRun", "source": "packages/subagent/subagent/src/types.ts" }, - { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentProvider", "source": "packages/subagent/subagent/src/types.ts" }, - - { "doc": "docs/core-data-structures/web.md", "symbol": "WebSearchRequest", "source": "packages/web/web/src/types.ts" }, - { "doc": "docs/core-data-structures/web.md", "symbol": "WebSearchResult", "source": "packages/web/web/src/types.ts" }, - { "doc": "docs/core-data-structures/web.md", "symbol": "WebSearchSource", "source": "packages/web/web/src/types.ts" }, - { "doc": "docs/core-data-structures/web.md", "symbol": "WebFetchRequest", "source": "packages/web/web/src/types.ts" }, - { "doc": "docs/core-data-structures/web.md", "symbol": "WebFetchResult", "source": "packages/web/web/src/types.ts" }, - { "doc": "docs/core-data-structures/web.md", "symbol": "WebFetchBody", "source": "packages/web/web/src/types.ts" }, - { "doc": "docs/core-data-structures/web.md", "symbol": "WebProviderStatus", "source": "packages/web/web/src/types.ts" } + { + "doc": "docs/core-data-structures/core.md", + "symbol": "Branded", + "source": "packages/util/brand/src/index.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "ContentBlockMap", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "Message", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "MessageSourceMap", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "FinishReasonMap", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "GenerateOptions", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "ToolSchema", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "SessionEvent", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "Agent", + "source": "packages/core/agent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "HookContext", + "source": "packages/core/agent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "PromptDecision", + "source": "packages/core/agent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "ContinuationDecision", + "source": "packages/core/agent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/core.md", + "symbol": "SessionStartSource", + "source": "packages/core/agent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/llm-streaming.md", + "symbol": "StreamChunk", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/llm-streaming.md", + "symbol": "TokenUsage", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/llm-streaming.md", + "symbol": "ContentBlockMap", + "source": "packages/llm/llm/src/types.ts" + }, + { + "doc": "docs/core-data-structures/llm-streaming.md", + "symbol": "AppIdentity", + "source": "packages/llm/llm/src/attribution.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "SessionEventMap", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "TodoItem", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "SessionEvent", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "TurnTriggerMap", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "TurnEndReasonMap", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "SurfaceEventType", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "SurfaceOp", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "SurfaceIntent", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/session.md", + "symbol": "SurfaceNode", + "source": "packages/core/session/src/surface.ts" + }, + { + "doc": "docs/core-data-structures/persistence.md", + "symbol": "SessionHeader", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/persistence.md", + "symbol": "CreateSessionOptions", + "source": "packages/core/session/src/types.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "ToolDefinition", + "source": "packages/core/tools/src/index.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "SchemaProp", + "source": "packages/core/tools/src/schema.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "SchemaSpec", + "source": "packages/core/tools/src/schema.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "InferArgs", + "source": "packages/core/tools/src/schema.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "ToolExecution", + "source": "packages/core/tools/src/index.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "ToolExecutionResult", + "source": "packages/core/tools/src/index.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "PreToolDecision", + "source": "packages/core/tools/src/index.ts" + }, + { + "doc": "docs/core-data-structures/tools.md", + "symbol": "PostToolDecision", + "source": "packages/core/tools/src/index.ts" + }, + { + "doc": "docs/core-data-structures/bash.md", + "symbol": "BashExecRequest", + "source": "packages/bash/bash/src/types.ts" + }, + { + "doc": "docs/core-data-structures/bash.md", + "symbol": "BashExecSpec", + "source": "packages/bash/bash/src/types.ts" + }, + { + "doc": "docs/core-data-structures/bash.md", + "symbol": "BashRunResult", + "source": "packages/bash/bash/src/types.ts" + }, + { + "doc": "docs/core-data-structures/bash.md", + "symbol": "CollectedOutput", + "source": "packages/bash/bash/src/types.ts" + }, + { + "doc": "docs/core-data-structures/bash.md", + "symbol": "BashTask", + "source": "packages/bash/bash/src/types.ts" + }, + { + "doc": "docs/core-data-structures/bash.md", + "symbol": "BashTaskRead", + "source": "packages/bash/bash/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsTarget", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsTargetKey", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsVersion", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsInfo", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsDirEntry", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsWriteIntent", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsWriteOutcome", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsEditRequest", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsEditOutcome", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsErrorCode", + "source": "packages/fs/fs/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FsPolicyExec", + "source": "packages/fs/fs-policy/src/types.ts" + }, + { + "doc": "docs/core-data-structures/filesystem.md", + "symbol": "FileReadOutcome", + "source": "packages/fs/tool-fs/src/read-render.ts" + }, + { + "doc": "docs/core-data-structures/compaction.md", + "symbol": "CompactionResult", + "source": "packages/compact/compact/src/types.ts" + }, + { + "doc": "docs/core-data-structures/subagent.md", + "symbol": "SubagentCapabilities", + "source": "packages/subagent/subagent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/subagent.md", + "symbol": "SubagentStartRequest", + "source": "packages/subagent/subagent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/subagent.md", + "symbol": "SubagentResult", + "source": "packages/subagent/subagent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/subagent.md", + "symbol": "SubagentStopReasonMap", + "source": "packages/subagent/subagent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/subagent.md", + "symbol": "SubagentRun", + "source": "packages/subagent/subagent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/subagent.md", + "symbol": "SubagentProvider", + "source": "packages/subagent/subagent/src/types.ts" + }, + { + "doc": "docs/core-data-structures/web.md", + "symbol": "WebSearchRequest", + "source": "packages/web/web/src/types.ts" + }, + { + "doc": "docs/core-data-structures/web.md", + "symbol": "WebSearchResult", + "source": "packages/web/web/src/types.ts" + }, + { + "doc": "docs/core-data-structures/web.md", + "symbol": "WebSearchSource", + "source": "packages/web/web/src/types.ts" + }, + { + "doc": "docs/core-data-structures/web.md", + "symbol": "WebFetchRequest", + "source": "packages/web/web/src/types.ts" + }, + { + "doc": "docs/core-data-structures/web.md", + "symbol": "WebFetchResult", + "source": "packages/web/web/src/types.ts" + }, + { + "doc": "docs/core-data-structures/web.md", + "symbol": "WebFetchBody", + "source": "packages/web/web/src/types.ts" + }, + { + "doc": "docs/core-data-structures/web.md", + "symbol": "WebProviderStatus", + "source": "packages/web/web/src/types.ts" + }, + { + "doc": "docs/core-data-structures/workflow.md", + "symbol": "WorkflowStartRequest", + "source": "packages/workflow/workflow/src/types.ts" + }, + { + "doc": "docs/core-data-structures/workflow.md", + "symbol": "WorkflowMeta", + "source": "packages/workflow/workflow/src/types.ts" + }, + { + "doc": "docs/core-data-structures/workflow.md", + "symbol": "WorkflowResult", + "source": "packages/workflow/workflow/src/types.ts" + }, + { + "doc": "docs/core-data-structures/workflow.md", + "symbol": "WorkflowRun", + "source": "packages/workflow/workflow/src/types.ts" + } ] } diff --git a/tsconfig.base.json b/tsconfig.base.json index 40e4dbe728..b21ca2b8b5 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -46,6 +46,7 @@ "./packages/fs/*/src", "./packages/compact/*/src", "./packages/subagent/*/src", + "./packages/workflow/*/src", "./packages/web/*/src", "./packages/todo/*/src", "./packages/hooks/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index b6ba7901f2..93cce8f4b9 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -51,6 +51,9 @@ { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, + { "path": "./packages/workflow/workflow" }, + { "path": "./packages/workflow/workflow-vm" }, + { "path": "./packages/workflow/tool-workflow" }, { "path": "./packages/todo/tool-todo" }, { "path": "./packages/hooks/hook-protocol" }, { "path": "./packages/hooks/hooks-claude" }, diff --git a/tsconfig.json b/tsconfig.json index 9cd7aa8a6d..ba5ccbac26 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -62,6 +62,9 @@ { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, + { "path": "./packages/workflow/workflow" }, + { "path": "./packages/workflow/workflow-vm" }, + { "path": "./packages/workflow/tool-workflow" }, { "path": "./packages/todo/tool-todo" }, { "path": "./packages/hooks/hook-protocol" }, { "path": "./packages/hooks/hooks-claude" }, From f626e569a4d5db00d263d5da7ab4322f9573c7da Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Sun, 5 Jul 2026 17:00:31 +0800 Subject: [PATCH 07/90] docs: document skill system design Add the implemented skill-system RFC, a core data-structures page, and JSDoc for the skill public vocabulary so the generated catalogs and review-facing docs describe the new service/tool contract. --- docs/cordis-catalog/services.md | 2 +- docs/core-data-structures/core.md | 1 + docs/core-data-structures/skills.md | 89 +++++++++++++++++++ docs/rfc/README.md | 1 + .../feature/2026-07-05-skill-system.md | 45 ++++++++++ packages/core/skill/src/index.ts | 15 ++++ scripts/type-equiv.manifest.json | 7 ++ 7 files changed, 159 insertions(+), 1 deletion(-) create mode 100644 docs/core-data-structures/skills.md create mode 100644 docs/rfc/implemented/feature/2026-07-05-skill-system.md diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 5f4647db04..fd2eb68161 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -176,7 +176,7 @@ async get(name: string, options: SkillLookupOptions = {}): Promise ``` -Source: [`packages/core/skill/src/index.ts:113`](../../packages/core/skill/src/index.ts) +Source: [`packages/core/skill/src/index.ts:128`](../../packages/core/skill/src/index.ts) ## `ctx.subagents` — `SubagentService` diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 7f38abe985..6c565766b9 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -21,6 +21,7 @@ Everything else is documented on a **sub-page**, not here. The rule that draws t | [tools.md](tools.md) | `ToolDefinition` full fields, the schema DSL, `ToolExecution`/`ToolResult`, tool-presentation UI types, the `tools/pre-execute`/`tools/post-execute` pipeline | | [bash.md](bash.md) | the bash executor seam: `BashExecRequest`/`Spec`, `BashRunResult`, background `BashTask`s | | [filesystem.md](filesystem.md) | the filesystem seam: `FsTarget`, read/write/edit outcomes, observed-file state, `FsErrorCode` | +| [skills.md](skills.md) | the skill service: discovery priority, `SkillSummary`/`SkillDefinition`, prompt listing, model-facing `skill` loading | | [compaction.md](compaction.md) | the compaction seam: the `compact/*` session events, `CompactionResult`, the `CompactService` interface | | [subagent.md](subagent.md) | the subagent seam: the named-provider registry, `SubagentStartRequest`/`Result`/`Run`, the start-time-vs-runtime capability split | | [web.md](web.md) | the web access seam: `WebSearchRequest`/`Result`, `WebFetchRequest`/`Result`, `WebFetchBody`, provider/capability status, `WebError` | diff --git a/docs/core-data-structures/skills.md b/docs/core-data-structures/skills.md new file mode 100644 index 0000000000..930bc9f636 --- /dev/null +++ b/docs/core-data-structures/skills.md @@ -0,0 +1,89 @@ +# Skills + +The skill stack is split across two core packages: the service ([dsh-skill](../../packages/core/skill), `ctx.skills`) discovers and parses local `SKILL.md` instructions, injects a stable request-time listing, and exposes full skill bodies on demand; the consumer ([dsh-tool-skill](../../packages/core/tool-skill), model-facing `skill`) loads one complete body for progressive disclosure. Skills are optional instructions, not session events, so their vocabulary lives here rather than in [core.md](core.md). + +Source: [`packages/core/skill/src/index.ts`](../../packages/core/skill/src/index.ts) and [`packages/core/tool-skill/src/index.ts`](../../packages/core/tool-skill/src/index.ts). + +## Discovery priority + +For a request with a cwd, `ctx.skills` finds the nearest git root and scans roots in first-wins order: + +| Priority | Source | Root | +|---|---|---| +| 1 | `project-dsh` | `/.dsh/skills` | +| 2 | `project-agents` | `/.agents/skills` | +| 3 | `runtime` | `ctx.skills.register(...)` | +| 4 | `user-dsh` | `~/.dsh/skills` | +| 5 | `user-agents` | `~/.agents/skills` | +| 6 | `extra` | `Config.extraRoots` | +| 7 | `system` | `~/.dsh/skills/.system` | + +The user DSH root skips its `.system` child during normal scanning so built-in skills are discovered exactly once. Same-name skills keep the highest-priority copy and log a warning for later duplicates. After this priority pass, model-visible summaries are sorted by `name` before prompt rendering so the `## Skills` fragment is deterministic and friendly to provider prefix caches. + +## Skill identity + +Skill names are kebab-case (`^[a-z0-9]+(?:-[a-z0-9]+)*$`). A skill can be a directory bundle (`/SKILL.md`) or a flat Markdown file (`.md`). Nested recursive `**/SKILL.md` discovery is intentionally outside v1. + +```ts type-equiv +type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'extra' | 'system' +``` + +## Summaries and complete definitions + +`SkillSummary` is the model-visible shape: the request prompt gets the name, source, description, and optional routing hint, but never the body or absolute file path. `disableModelInvocation` hides a skill from listings while allowing trusted code to load it by name. + +```ts type-equiv +interface SkillSummary { + name: string + description: string + whenToUse?: string + disableModelInvocation?: boolean + directory: string + source: SkillSource +} +``` + +`SkillDefinition` is the complete parsed result returned by `ctx.skills.get()` and used by the `skill` tool. `directory` is the base directory for resolving relative references in the skill body; `path` is present for disk skills; `metadata` preserves optional frontmatter for future consumers without changing v1 routing behavior. + +```ts type-equiv +interface SkillDefinition extends SkillSummary { + content: string + path?: string + metadata?: Record +} +``` + +Runtime skills use the same complete shape and participate in the same first-wins collection order. The returned disposer removes the contribution and invalidates discovery caches. + +```ts type-equiv +type SkillRegistration = Omit & { + disableModelInvocation?: boolean +} +``` + +## Lookup and configuration + +Skill lookup is cwd-sensitive because project skill roots are relative to the current workspace. If no git root is found, the supplied cwd itself is the project root. + +```ts type-equiv +interface SkillLookupOptions { + cwd?: string | undefined +} +``` + +The service can be pointed at alternate user roots in tests or deployments. `installSystemSkills` controls whether bundled system skills are materialized under `/skills/.system` on startup. + +```ts type-equiv +interface Config { + dshHome?: string + agentsHome?: string + extraRoots?: string[] + installSystemSkills?: boolean +} +``` + +## Prompt and tool contract + +`ctx.skills.renderModelListing()` returns a `## Skills` fragment wrapped in ``. Descriptions and `whenToUse` are whitespace-normalized, length-capped, and XML-escaped before rendering. The listing is appended to the same `GenerateOptions.system` string by the `agent/request` waterfall, after the base system prompt is assembled. + +The model-facing `skill({ name })` tool validates the kebab-case name, loads the complete definition for the calling agent cwd, rejects unknown or `disableModelInvocation` skills, and returns a `` block with the body plus base-directory and relative-path guidance. The tool result is the only v1 path that exposes full skill instructions to the model. diff --git a/docs/rfc/README.md b/docs/rfc/README.md index 9633691cf7..8343b877c7 100644 --- a/docs/rfc/README.md +++ b/docs/rfc/README.md @@ -95,6 +95,7 @@ Do NOT write one for a mechanical or local choice (a variable name, a one-file r | [dsh-hook-protocol — the shared Claude Code / Codex hook wire-protocol core](implemented/feature/2026-06-30-hook-protocol-lib.md) | 2026-06-30 | | [Interception seams — the typed-Decision surface a hook programs against](implemented/feature/2026-06-30-interception-seams.md) | 2026-06-30 | | [Subagent lifecycle enrichment — lastAssistantMessage (observe-only)](implemented/feature/2026-06-30-subagent-observe-enrich.md) | 2026-06-30 | +| [Skill system — progressive disclosure instructions for agents](implemented/feature/2026-07-05-skill-system.md) | 2026-07-05 | ### Simplification diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md new file mode 100644 index 0000000000..eea4ac91ae --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -0,0 +1,45 @@ +# Skill system — progressive disclosure instructions for agents + +## Status + +Implemented. + +## Context + +Agent products have converged on a skill pattern: keep the request prompt small by listing only available instruction bundles, then load the full body when the model decides a task matches. Codex, Claude Code, OpenCode, and Kimi Code differ in details, but all separate discovery metadata from complete instructions so a workspace can carry reusable behavior without paying the full prompt cost on every turn. + +DeepSeek Harness needs the same primitive because project-specific review, plugin-authoring, and tool-usage guidance should live next to the workspace or the user's agent configuration instead of being hard-coded into the loop. The repo is still unreleased, so this change establishes the foundation directly as first-class packages rather than a compatibility layer around an older format. + +## Decision + +Add `@deepseek-ai/dsh-skill` as the discovery service (`ctx.skills`) and `@deepseek-ai/dsh-tool-skill` as the model-facing loader tool. `dsh-agent-core` loads both by default so stdio and ACP apps get the same behavior. + +Discovery scans cwd-sensitive project roots, runtime registrations, user roots, extra roots, and system roots in first-wins priority order: project `.dsh`, project `.agents`, runtime, user `.dsh`, user `.agents`, extra roots, then `~/.dsh/skills/.system`. The user `.dsh/skills` scan skips `.system` so built-ins are not discovered twice. Same-name lower-priority skills are ignored with a warning, which lets project and user skills override built-ins deliberately. + +Each skill is either `/SKILL.md` or `.md` with YAML frontmatter. `name` and `description` are required; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names are kebab-case. YAML frontmatter is parsed with the `yaml` package instead of a hand-written parser because the format already exposes an open `metadata` object and should behave like ordinary skill files rather than a bespoke key/value subset. + +The service injects a request-time `## Skills` fragment through the existing `agent/request` waterfall. It appends to `GenerateOptions.system` instead of changing `systemPrompt.assemble()`, because the available project skills depend on the calling agent's cwd. The fragment contains only stable routing metadata and is sorted by skill name after first-wins collection, so equivalent workspaces produce deterministic prompt text and better prefix-cache reuse. Full skill bodies are never included in the listing. + +The `skill({ name })` tool loads one full skill for the current agent cwd and returns a `` block with the body plus base-directory guidance. Invalid names, unknown skills, and skills marked `disableModelInvocation` return tool errors. v1 does not additionally inject the loaded body into session context; the tool result is the model-visible disclosure path. + +System skills are ordinary skill files materialized under `~/.dsh/skills/.system` on startup. v1 ships `dsh-plugin-creator` and `dsh-skill-creator` there so the agent can help author DeepSeek Harness plugins and future skills using the same mechanism users can override. + +The data structures and prompt/tool contract are documented in [skills.md](../../../core-data-structures/skills.md), with service signatures in the generated [services catalog](../../../cordis-catalog/services.md). + +## Rejected alternatives + +**Inject full skill bodies into every system prompt.** Rejected because it destroys progressive disclosure and makes every request pay for instructions that may not apply. + +**Expose skills only as slash commands.** Rejected for v1 because model-initiated loading is the core capability; slash/ACP command advertisement can layer on later without changing discovery. + +**Use a separate system-reminder message.** Rejected for the current loop because `agent/request` already owns the last mutation point before the adapter call and `GenerateOptions.system` is the provider-neutral system prompt surface. A later provider-specific surface can still split this fragment if needed. + +**Recursively discover nested `**/SKILL.md`.** Rejected for v1. Flat files and one-level directory bundles cover the configured roots while keeping duplicate handling and prompt order easy to reason about. + +**Hand-parse frontmatter.** Rejected because the accepted schema includes an open `metadata` object. A narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. + +## Consequences + +The agent-core spine now includes one more request-time contributor and one more model-facing tool. Skill discovery is cwd-sensitive, so tests and callers that create agents with different session cwd values can observe different project skill overrides by design. + +The prompt fragment is deterministic for a fixed root set and runtime registration revision, but disk changes are not watched; discovery is memoized until runtime registration invalidates the cache or the process restarts. That keeps v1 simple and avoids adding file watching policy before there is a concrete user flow for hot-reloading skills. diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index 1d1707c722..ace0d9f6eb 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -25,31 +25,46 @@ export function isSkillName(name: string): boolean { return SKILL_NAME.test(name) } +/** Origin bucket for a discovered skill. The value is prompt-visible metadata, not part of precedence by itself. */ export type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'extra' | 'system' +/** Model-visible skill metadata returned by `ctx.skills.list()` and rendered into the request prompt. */ export interface SkillSummary { + /** Kebab-case identifier used with the `skill` tool. */ name: string + /** Short routing description shown to the model. */ description: string + /** Optional extra routing guidance shown to the model. */ whenToUse?: string + /** Whether the skill is hidden from model listings while remaining loadable by trusted callers. */ disableModelInvocation?: boolean + /** Base directory for resolving skill-relative references. */ directory: string + /** Discovery source that produced this winning skill. */ source: SkillSource } +/** Complete parsed skill definition, including the body loaded by `ctx.skills.get()`. */ export interface SkillDefinition extends SkillSummary { + /** Markdown instruction body after frontmatter removal. */ content: string + /** Absolute file path when the skill came from disk; runtime skills may omit it. */ path?: string + /** Parsed optional metadata object from frontmatter. */ metadata?: Record } +/** Runtime skill contribution accepted by `ctx.skills.register()`. */ export type SkillRegistration = Omit & { disableModelInvocation?: boolean } +/** Workspace selector used for cwd-sensitive project-root discovery. */ export interface SkillLookupOptions { cwd?: string | undefined } +/** Skill plugin configuration. */ export interface Config { /** DeepSeek Harness config root. Defaults to `$DSH_HOME` or `~/.dsh`. */ dshHome?: string diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index b1c3163782..13712d872c 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -62,6 +62,13 @@ { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsPolicyExec", "source": "packages/fs/fs-policy/src/types.ts" }, { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FileReadOutcome", "source": "packages/fs/tool-fs/src/read-render.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSource", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSummary", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillDefinition", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillRegistration", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillLookupOptions", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "Config", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/compaction.md", "symbol": "CompactionResult", "source": "packages/compact/compact/src/types.ts" }, { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentCapabilities", "source": "packages/subagent/subagent/src/types.ts" }, From dca2cc257db87d7c1e44bb36cebbd5aa76728a29 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Sun, 5 Jul 2026 18:33:27 +0800 Subject: [PATCH 08/90] fix: harden skill discovery --- docs/cordis-catalog/services.md | 2 +- docs/core-data-structures/skills.md | 2 + examples/acp-agent/tests/acp.e2e.ts | 19 +- examples/acp-agent/tests/acp.snapshot.ts | 1 + examples/acp-agent/tests/snapshot-harness.ts | 2 + .../tests/snapshots/skill-load/input.json | 7 + .../snapshots/skill-load/replay.override.json | 28 +++ .../tests/snapshots/skill-load/session.jsonl | 28 +++ .../snapshots/skill-load/stdout.golden.jsonl | 8 + .../coding-agent/tests/keyless-smoke.e2e.ts | 2 + examples/echo-agent/tests/echo.e2e.ts | 11 +- packages/core/agent-core/package.json | 3 +- packages/core/agent-core/src/index.ts | 47 +++- .../core/agent-core/tests/agent-core.spec.ts | 22 ++ packages/core/agent-core/tsconfig.json | 3 + packages/core/skill/README.md | 11 + packages/core/skill/package.json | 1 + packages/core/skill/src/index.ts | 119 ++++++++--- packages/core/skill/tests/skill.spec.ts | 200 ++++++++++++++++-- packages/core/skill/tsconfig.json | 1 + packages/ui/acp-agent/src/index.ts | 14 +- packages/ui/acp-agent/tests/acp-agent.spec.ts | 18 +- packages/ui/acp-agent/tests/built-bin.e2e.ts | 14 +- packages/ui/acp-agent/tests/load-path.e2e.ts | 2 + packages/ui/stdio-agent/src/index.ts | 13 ++ .../ui/stdio-agent/tests/built-bin.e2e.ts | 2 +- .../ui/stdio-agent/tests/stdio-agent.spec.ts | 19 +- pnpm-lock.yaml | 6 + vitest.config.ts | 11 + 29 files changed, 555 insertions(+), 61 deletions(-) create mode 100644 examples/acp-agent/tests/snapshots/skill-load/input.json create mode 100644 examples/acp-agent/tests/snapshots/skill-load/replay.override.json create mode 100644 examples/acp-agent/tests/snapshots/skill-load/session.jsonl create mode 100644 examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index fd2eb68161..066bc09b6a 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -176,7 +176,7 @@ async get(name: string, options: SkillLookupOptions = {}): Promise ``` -Source: [`packages/core/skill/src/index.ts:128`](../../packages/core/skill/src/index.ts) +Source: [`packages/core/skill/src/index.ts:132`](../../packages/core/skill/src/index.ts) ## `ctx.subagents` — `SubagentService` diff --git a/docs/core-data-structures/skills.md b/docs/core-data-structures/skills.md index 930bc9f636..a7eabacf2d 100644 --- a/docs/core-data-structures/skills.md +++ b/docs/core-data-structures/skills.md @@ -79,6 +79,8 @@ interface Config { agentsHome?: string extraRoots?: string[] installSystemSkills?: boolean + promptFieldMaxLength?: number + collectCacheMaxEntries?: number } ``` diff --git a/examples/acp-agent/tests/acp.e2e.ts b/examples/acp-agent/tests/acp.e2e.ts index 06ef962743..6c875c1db3 100644 --- a/examples/acp-agent/tests/acp.e2e.ts +++ b/examples/acp-agent/tests/acp.e2e.ts @@ -63,7 +63,16 @@ function spawnAcpAgent(cwd: string, env: NodeJS.ProcessEnv = process.env): Spawn const child = spawn( process.execPath, ['--import', tsxLoader, binScript, configPath], - { cwd, env: { ...env, TSX_TSCONFIG_PATH: repoTsconfig }, stdio: ['pipe', 'pipe', 'pipe'] }, + { + cwd, + env: { + ...env, + TSX_TSCONFIG_PATH: repoTsconfig, + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), + }, + stdio: ['pipe', 'pipe', 'pipe'], + }, ) const stderr: string[] = [] child.stderr.setEncoding('utf8') @@ -110,7 +119,13 @@ describe('acp-agent over real stdio (no key required)', () => { // which this purity test never triggers). So this runs WITHOUT real creds. const child = spawn(process.execPath, ['--import', tsxLoader, binScript, configPath], { cwd: workdir, - env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', TSX_TSCONFIG_PATH: repoTsconfig }, + env: { + ...process.env, + DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', + TSX_TSCONFIG_PATH: repoTsconfig, + DSH_HOME: join(workdir, '.dsh'), + DSH_AGENTS_HOME: join(workdir, '.agents'), + }, stdio: ['pipe', 'pipe', 'pipe'], }) const out: string[] = [] diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts index 65d2dee9da..7f1ca8b578 100644 --- a/examples/acp-agent/tests/acp.snapshot.ts +++ b/examples/acp-agent/tests/acp.snapshot.ts @@ -64,6 +64,7 @@ const SCENARIOS: Scenario[] = [ { name: 'tool-call-turn', hasModelTurn: true, recorded: true }, { name: 'fs-terminal-card', hasModelTurn: true, recorded: true }, { name: 'todo-plan', hasModelTurn: true, recorded: true }, + { name: 'skill-load', hasModelTurn: true, recorded: false }, { name: 'workspace-edit', hasModelTurn: true, recorded: true }, { name: 'fs-read', hasModelTurn: true, recorded: true }, { name: 'fs-write', hasModelTurn: true, recorded: true }, diff --git a/examples/acp-agent/tests/snapshot-harness.ts b/examples/acp-agent/tests/snapshot-harness.ts index 8285b870bf..128857d4b7 100644 --- a/examples/acp-agent/tests/snapshot-harness.ts +++ b/examples/acp-agent/tests/snapshot-harness.ts @@ -155,6 +155,8 @@ export async function runScenario(input: InputScript, opts: RunOptions): Promise DSH_SNAPSHOT: opts.mode, DSH_SNAPSHOT_FILE: opts.fixtureFile, DSH_SNAPSHOT_SESSIONS_ROOT: sessionsRoot, + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), ...opts.overrideFile !== undefined ? { DSH_SNAPSHOT_OVERRIDE: opts.overrideFile } : {}, ...opts.childFiles !== undefined && opts.childFiles.length > 0 ? { DSH_SNAPSHOT_CHILD_FILES: opts.childFiles.join(delimiter) } diff --git a/examples/acp-agent/tests/snapshots/skill-load/input.json b/examples/acp-agent/tests/snapshots/skill-load/input.json new file mode 100644 index 0000000000..f1bc38d5fb --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/input.json @@ -0,0 +1,7 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "prompt", "text": "Load the dsh-skill-creator skill with the skill tool, then reply DONE." } + ] +} diff --git a/examples/acp-agent/tests/snapshots/skill-load/replay.override.json b/examples/acp-agent/tests/snapshots/skill-load/replay.override.json new file mode 100644 index 0000000000..b79d212caa --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/replay.override.json @@ -0,0 +1,28 @@ +[ + { + "kind": "chunks", + "chunks": [ + { "type": "block-start", "index": 0, "blockType": "reasoning" }, + { "type": "reasoning-delta", "index": 0, "text": "Load the requested skill." }, + { "type": "block-start", "index": 1, "blockType": "tool-call" }, + { "type": "tool-call-delta", "index": 1, "id": "call_skill_load", "name": "skill", "argumentsDelta": "{\"name\":\"dsh-skill-creator\"}" }, + { "type": "block-end", "index": 0, "block": { "type": "reasoning", "text": "Load the requested skill." } }, + { "type": "block-end", "index": 1, "block": { "type": "tool-call", "id": "call_skill_load", "name": "skill", "arguments": "{\"name\":\"dsh-skill-creator\"}" } }, + { "type": "usage", "usage": { "inputTokens": 100, "outputTokens": 20, "cacheReadTokens": 0, "reasoningTokens": 5 } }, + { "type": "finish", "reason": { "kind": "tool-calls" } } + ] + }, + { + "kind": "chunks", + "chunks": [ + { "type": "block-start", "index": 0, "blockType": "reasoning" }, + { "type": "reasoning-delta", "index": 0, "text": "The skill is loaded." }, + { "type": "block-start", "index": 1, "blockType": "text" }, + { "type": "text-delta", "index": 1, "text": "DONE" }, + { "type": "block-end", "index": 0, "block": { "type": "reasoning", "text": "The skill is loaded." } }, + { "type": "block-end", "index": 1, "block": { "type": "text", "text": "DONE" } }, + { "type": "usage", "usage": { "inputTokens": 180, "outputTokens": 10, "cacheReadTokens": 0, "reasoningTokens": 4 } }, + { "type": "finish", "reason": { "kind": "stop" } } + ] + } +] diff --git a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl new file mode 100644 index 0000000000..655b9568fc --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl @@ -0,0 +1,28 @@ +{"type":"session","version":0,"id":"5ca6619f-135d-4d55-814b-35ac6524a1b2","createdAt":1783246260513,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-nJAoRn"} +{"type":"turn/start","seq":0,"time":1783246260515,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783246260516,"data":{"content":[{"type":"text","text":"Load the dsh-skill-creator skill with the skill tool, then reply DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783246260516,"data":{"turn":1,"step":1}} +{"type":"assistant/chunk","seq":3,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":4,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Load the requested skill."}}} +{"type":"assistant/chunk","seq":5,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":6,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":1,"id":"call_skill_load","name":"skill","argumentsDelta":"{\"name\":\"dsh-skill-creator\"}"}}} +{"type":"assistant/chunk","seq":7,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"Load the requested skill."}}}} +{"type":"assistant/chunk","seq":8,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}}}} +{"type":"assistant/chunk","seq":9,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}}}} +{"type":"assistant/chunk","seq":10,"time":1783246260534,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":11,"time":1783246260534,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"Load the requested skill."},{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}],"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[3,4,5,6,7,8,9,10],"surfaceOp":"append"} +{"type":"tool/call","seq":12,"time":1783246260534,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}} +{"type":"tool/result","seq":13,"time":1783246260535,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-nJAoRn/.dsh/skills/.system/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}],"isError":false},"sourceEventSeqs":[12],"surfaceOp":"append"} +{"type":"step/end","seq":14,"time":1783246260535,"data":{"turn":1,"step":1}} +{"type":"step/start","seq":15,"time":1783246260535,"data":{"turn":1,"step":2}} +{"type":"assistant/chunk","seq":16,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":17,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"The skill is loaded."}}} +{"type":"assistant/chunk","seq":18,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":19,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"DONE"}}} +{"type":"assistant/chunk","seq":20,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The skill is loaded."}}}} +{"type":"assistant/chunk","seq":21,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"DONE"}}}} +{"type":"assistant/chunk","seq":22,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":180,"outputTokens":10,"cacheReadTokens":0,"reasoningTokens":4}}}} +{"type":"assistant/chunk","seq":23,"time":1783246260535,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":24,"time":1783246260536,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The skill is loaded."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":180,"outputTokens":10,"cacheReadTokens":0,"reasoningTokens":4}},"sourceEventSeqs":[16,17,18,19,20,21,22,23],"surfaceOp":"append"} +{"type":"step/end","seq":25,"time":1783246260536,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":26,"time":1783246260536,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl new file mode 100644 index 0000000000..bb87794d28 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl @@ -0,0 +1,8 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentInfo":{"name":"deepseek-harness-acp","version":"0.0.1"},"agentCapabilities":{"loadSession":true,"promptCapabilities":{"image":false,"audio":false,"embeddedContext":false}},"authMethods":[]}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Load the requested skill."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_skill_load","title":"Load skill dsh-skill-creator","kind":"read","status":"in_progress","rawInput":"dsh-skill-creator"}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skill_load","status":"completed","content":[{"type":"content","content":{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: {{cwd}}/.dsh/skills/.system/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The skill is loaded."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"DONE"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/coding-agent/tests/keyless-smoke.e2e.ts b/examples/coding-agent/tests/keyless-smoke.e2e.ts index dba8b140c7..b4d73f4d90 100644 --- a/examples/coding-agent/tests/keyless-smoke.e2e.ts +++ b/examples/coding-agent/tests/keyless-smoke.e2e.ts @@ -62,6 +62,8 @@ async function bootAndEof(): Promise<{ stdout: string; code: number }> { // A dummy key so llm-deepseek's apply() (key-PRESENT check only) boots. // No prompt is sent, so the adapter never streams — no network call. DEEPSEEK_API_KEY: 'keyless-smoke-no-call', + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), }, stdio: ['pipe', 'pipe', 'pipe'], }, diff --git a/examples/echo-agent/tests/echo.e2e.ts b/examples/echo-agent/tests/echo.e2e.ts index 01bb34bff0..b446b2b191 100644 --- a/examples/echo-agent/tests/echo.e2e.ts +++ b/examples/echo-agent/tests/echo.e2e.ts @@ -63,7 +63,16 @@ async function runEcho(lines: string[]): Promise<{ stdout: string; code: number // requires it (mirrors the `demo:echo` script). The whole point is to boot // the example EXACTLY as it really runs, through the bin + Loader. ['--expose-internals', '--import', tsxLoader, binScript, configPath], - { cwd, env: { ...process.env, TSX_TSCONFIG_PATH: repoTsconfig }, stdio: ['pipe', 'pipe', 'pipe'] }, + { + cwd, + env: { + ...process.env, + TSX_TSCONFIG_PATH: repoTsconfig, + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), + }, + stdio: ['pipe', 'pipe', 'pipe'], + }, ) child = proc let stdout = '' diff --git a/packages/core/agent-core/package.json b/packages/core/agent-core/package.json index 2d01ec5900..95883af52a 100644 --- a/packages/core/agent-core/package.json +++ b/packages/core/agent-core/package.json @@ -47,6 +47,7 @@ "@deepseek-ai/dsh-tool-bash": "workspace:^", "@deepseek-ai/dsh-tool-skill": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", - "cordis": "^4.0.0-rc.6" + "cordis": "^4.0.0-rc.6", + "schemastery": "^3.18.0" } } diff --git a/packages/core/agent-core/src/index.ts b/packages/core/agent-core/src/index.ts index 47617b1308..0f8e005b56 100644 --- a/packages/core/agent-core/src/index.ts +++ b/packages/core/agent-core/src/index.ts @@ -44,11 +44,13 @@ import type { Context } from 'cordis' import Timer from '@cordisjs/plugin-timer' +import z from 'schemastery' +import type Schema from 'schemastery' import LlmService from '@deepseek-ai/dsh-llm' import SessionStore from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' -import SkillService from '@deepseek-ai/dsh-skill' +import SkillService, { type Config as SkillConfig } from '@deepseek-ai/dsh-skill' import AgentRegistry from '@deepseek-ai/dsh-agent' import * as invariants from '@deepseek-ai/dsh-invariants' import * as toolBash from '@deepseek-ai/dsh-tool-bash' @@ -58,16 +60,39 @@ import AgentLoop, { type Config as AgentLoopConfig } from '@deepseek-ai/dsh-agen export const name = 'agent-core' /** - * Bundle config: the agent-loop `agents` list, forwarded verbatim. Default `[]` - * — an app that pre-creates no agents (the ACP bridge creates them on demand at - * `session/new`) simply omits it; an app that needs a pre-created `main` (the - * stdio chat) supplies one. This IS {@link AgentLoopConfig}, so the schema and - * the forwarded shape can never drift. + * Bundle config: the agent-loop `agents` list plus skill discovery config. + * Default `agents: []` means an app that pre-creates no agents (the ACP bridge + * creates them on demand at `session/new`) can omit it; an app that needs a + * pre-created `main` (the stdio chat) supplies one. `skills` is forwarded to + * {@link @deepseek-ai/dsh-skill}, so leaf cordis.yml files can change DSH/user + * skill roots and caps without code changes. */ -export type Config = AgentLoopConfig +export interface Config extends AgentLoopConfig { + /** Skill discovery roots, system-skill installation, and prompt/cache bounds. */ + skills?: SkillConfig +} -/** Forward the loop's own schema so validation + defaulting stay identical. */ -export const Config = AgentLoop.Config +/** Local schema for the forwarded skill config. Keep this in sync with `SkillService.Config`. */ +export const SkillConfigSchema: Schema = z.object({ + dshHome: z.string(), + agentsHome: z.string(), + extraRoots: z.array(z.string()).default([]), + installSystemSkills: z.boolean().default(true), + promptFieldMaxLength: z.number().default(500), + collectCacheMaxEntries: z.number().default(128), +}) + +/** Bundle schema: keep the loop agent shape aligned and expose skill config. */ +export const Config: Schema = z.object({ + agents: z.array(z.object({ + id: z.string().required(), + model: z.string(), + systemPrompt: z.string(), + cwd: z.string(), + resumeSessionId: z.string(), + })).default([]), + skills: SkillConfigSchema, +}) as unknown as Schema /** * Load the spine. Each `ctx.plugin(...)` mounts one child of the bundle fiber; @@ -83,10 +108,12 @@ export function apply(ctx: Context, config: Config): void { ctx.plugin(SessionStore) ctx.plugin(SystemPrompt) ctx.plugin(ToolRegistry) - ctx.plugin(SkillService) + ctx.plugin(SkillService, config.skills ?? {}) ctx.plugin(AgentRegistry) ctx.plugin(invariants) ctx.plugin(toolBash) ctx.plugin(toolSkill) ctx.plugin(AgentLoop, { agents: config.agents }) } + +export type { SkillConfig } diff --git a/packages/core/agent-core/tests/agent-core.spec.ts b/packages/core/agent-core/tests/agent-core.spec.ts index 4a8954f9c6..75f0f5eef9 100644 --- a/packages/core/agent-core/tests/agent-core.spec.ts +++ b/packages/core/agent-core/tests/agent-core.spec.ts @@ -19,7 +19,9 @@ import { AgentId } from '@deepseek-ai/dsh-agent' */ async function mount(config?: agentCore.Config): Promise { const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME process.env.DSH_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-home-')) + process.env.DSH_AGENTS_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-agents-')) const ctx = new Context() try { await ctx.plugin(agentCore, config) @@ -33,6 +35,11 @@ async function mount(config?: agentCore.Config): Promise { } else { process.env.DSH_HOME = oldDshHome } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } } } @@ -78,6 +85,21 @@ describe('dsh-agent-core bundle', () => { await ctx.fiber.dispose() }) + it('forwards skill config to the skill service', async () => { + const home = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-home-')) + const agentsHome = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-agents-')) + const ctx = await mount({ + agents: [], + skills: { + dshHome: join(home, '.dsh'), + agentsHome: join(agentsHome, '.agents'), + installSystemSkills: false, + }, + }) + expect(await ctx.skills.list()).toEqual([]) + await ctx.fiber.dispose() + }) + it('re-exports the loop config schema as its own', () => { expect(agentCore.Config).toBeDefined() expect(agentCore.name).toBe('agent-core') diff --git a/packages/core/agent-core/tsconfig.json b/packages/core/agent-core/tsconfig.json index 6b53f62024..a4f442dc71 100644 --- a/packages/core/agent-core/tsconfig.json +++ b/packages/core/agent-core/tsconfig.json @@ -14,6 +14,9 @@ { "path": "../../../vendor/timer" }, + { + "path": "../../../vendor/schemastery" + }, { "path": "../../llm/llm" }, diff --git a/packages/core/skill/README.md b/packages/core/skill/README.md index 5fcb144adc..39deef415b 100644 --- a/packages/core/skill/README.md +++ b/packages/core/skill/README.md @@ -10,6 +10,17 @@ Agent skill discovery and model-facing skill guidance. - `ctx.skills.get(name, { cwd? })` Returns the full skill, including disabled-for-model skills. - `ctx.skills.register(skill): () => void` Registers a runtime skill, disposed with the calling fiber. +### Config + +| Field | Default | Meaning | +|---|---|---| +| `dshHome` | `$DSH_HOME` or `~/.dsh` | DeepSeek Harness config root; system skills live under `skills/.system`. | +| `agentsHome` | `$DSH_AGENTS_HOME` or `~/.agents` | Shared agent config root scanned for compatible skills. | +| `extraRoots` | `[]` | Additional skill roots scanned after user roots and before system skills. | +| `installSystemSkills` | `true` | Whether startup materializes bundled system skills under `dshHome`. | +| `promptFieldMaxLength` | `500` | Maximum rendered `description` / `whenToUse` length in the prompt listing. | +| `collectCacheMaxEntries` | `128` | Maximum cwd/root discovery promises kept in memory. | + ### Discovery Default roots are resolved in this conflict priority order: diff --git a/packages/core/skill/package.json b/packages/core/skill/package.json index 89deaffa04..9bca3c1a24 100644 --- a/packages/core/skill/package.json +++ b/packages/core/skill/package.json @@ -28,6 +28,7 @@ "cordis": "^4.0.0-rc.6" }, "dependencies": { + "schemastery": "^3.18.0", "yaml": "^2.4.2" }, "devDependencies": { diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index ace0d9f6eb..39c656eac8 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -8,18 +8,20 @@ * @module @deepseek-ai/dsh-skill */ -import { access, mkdir, readdir, readFile, writeFile } from 'node:fs/promises' +import { access, mkdir, readdir, readFile, stat, writeFile } from 'node:fs/promises' import { dirname, join, resolve } from 'node:path' import { homedir } from 'node:os' import { Context, Service } from 'cordis' +import z from 'schemastery' +import type Schema from 'schemastery' import { parse as parseYaml } from 'yaml' import type { FileSystem, FsTarget } from '@deepseek-ai/dsh-fs' import type { GenerateOptions } from '@deepseek-ai/dsh-llm' import type {} from '@deepseek-ai/dsh-agent' const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ -const MAX_PROMPT_FIELD_LENGTH = 500 -const MAX_COLLECT_CACHE_ENTRIES = 128 +const DEFAULT_PROMPT_FIELD_LENGTH = 500 +const DEFAULT_COLLECT_CACHE_ENTRIES = 128 export function isSkillName(name: string): boolean { return SKILL_NAME.test(name) @@ -55,9 +57,7 @@ export interface SkillDefinition extends SkillSummary { } /** Runtime skill contribution accepted by `ctx.skills.register()`. */ -export type SkillRegistration = Omit & { - disableModelInvocation?: boolean -} +export type SkillRegistration = Omit & { disableModelInvocation?: boolean } /** Workspace selector used for cwd-sensitive project-root discovery. */ export interface SkillLookupOptions { @@ -68,12 +68,16 @@ export interface SkillLookupOptions { export interface Config { /** DeepSeek Harness config root. Defaults to `$DSH_HOME` or `~/.dsh`. */ dshHome?: string - /** Shared agent config root. Defaults to `~/.agents`. */ + /** Shared agent config root. Defaults to `$DSH_AGENTS_HOME` or `~/.agents`. */ agentsHome?: string /** Extra skill roots, scanned after user roots and before system skills. */ extraRoots?: string[] /** Ensure bundled system skills exist under `/skills/.system`. Defaults true. */ installSystemSkills?: boolean + /** Maximum rendered description/whenToUse length in the prompt listing. */ + promptFieldMaxLength?: number + /** Maximum number of cwd/root discovery promises kept in the in-memory cache. */ + collectCacheMaxEntries?: number } declare module 'cordis' { @@ -126,10 +130,21 @@ const SYSTEM_SKILLS: SkillDefinition[] = [ * stable `## Skills` listing into each agent request. */ export class SkillService extends Service { + static Config: Schema = z.object({ + dshHome: z.string(), + agentsHome: z.string(), + extraRoots: z.array(z.string()).default([]), + installSystemSkills: z.boolean().default(true), + promptFieldMaxLength: z.number().default(DEFAULT_PROMPT_FIELD_LENGTH), + collectCacheMaxEntries: z.number().default(DEFAULT_COLLECT_CACHE_ENTRIES), + }) + private readonly dshHome: string private readonly agentsHome: string private readonly extraRoots: string[] private readonly installSystemSkills: boolean + private readonly promptFieldMaxLength: number + private readonly collectCacheMaxEntries: number private readonly runtime = new Map() private readonly collectCache = new Map>() private runtimeRevision = 0 @@ -138,9 +153,13 @@ export class SkillService extends Service { constructor(ctx: Context, config: Config = {}) { super(ctx, 'skills') this.dshHome = resolve(config.dshHome ?? process.env.DSH_HOME ?? join(homedir(), '.dsh')) - this.agentsHome = resolve(config.agentsHome ?? join(homedir(), '.agents')) + this.agentsHome = resolve(config.agentsHome ?? process.env.DSH_AGENTS_HOME ?? join(homedir(), '.agents')) this.extraRoots = (config.extraRoots ?? []).map(root => resolve(root)) this.installSystemSkills = config.installSystemSkills ?? true + this.promptFieldMaxLength = config.promptFieldMaxLength ?? DEFAULT_PROMPT_FIELD_LENGTH + this.collectCacheMaxEntries = config.collectCacheMaxEntries ?? DEFAULT_COLLECT_CACHE_ENTRIES + assertPositiveInteger('promptFieldMaxLength', this.promptFieldMaxLength) + assertPositiveInteger('collectCacheMaxEntries', this.collectCacheMaxEntries) if (this.installSystemSkills) { const systemRoot = join(this.dshHome, 'skills/.system') this.systemReady = writeSystemSkills(systemRoot, this.ctx).catch((error: unknown) => { @@ -208,8 +227,8 @@ export class SkillService extends Service { const entries = skills.map((skill) => { const lines = [ ``, - `description: ${promptLine(skill.description)}`, - ...skill.whenToUse ? [`whenToUse: ${promptLine(skill.whenToUse)}`] : [], + `description: ${promptLine(skill.description, this.promptFieldMaxLength)}`, + ...skill.whenToUse ? [`whenToUse: ${promptLine(skill.whenToUse, this.promptFieldMaxLength)}`] : [], '', ] return lines.join('\n') @@ -231,12 +250,16 @@ export class SkillService extends Service { if (cached !== undefined) return cached const collected = this.collectFresh(roots) - this.collectCache.set(key, collected) - if (this.collectCache.size > MAX_COLLECT_CACHE_ENTRIES) { + const cachedPromise = collected.catch((error: unknown) => { + this.collectCache.delete(key) + throw error + }) + this.collectCache.set(key, cachedPromise) + if (this.collectCache.size > this.collectCacheMaxEntries) { const oldest = this.collectCache.keys().next() as IteratorYieldResult this.collectCache.delete(oldest.value) } - return collected + return cachedPromise } private async collectFresh(roots: { project: SkillRoot[]; shared: SkillRoot[] }): Promise { @@ -326,9 +349,10 @@ async function discoverRoot(root: SkillRoot, ctx: Context): Promise a.name.localeCompare(b.name))) { if (root.skipSystem && entry.name === '.system') continue const fullPath = join(root.path, entry.name) - const parsed = entry.isDirectory() + const kind = await entryKind(fullPath, entry, ctx) + const parsed = kind === 'directory' ? await parseSkillFile(join(fullPath, 'SKILL.md'), fullPath, root.source, ctx) - : entry.isFile() && entry.name.endsWith('.md') + : kind === 'file' && entry.name.endsWith('.md') ? await parseSkillFile(fullPath, root.path, root.source, ctx) : undefined if (parsed) skills.push(parsed) @@ -341,7 +365,13 @@ async function parseSkillFile(path: string, directory: string, source: SkillSour if (raw === undefined) { return undefined } - const parsed = parseFrontmatter(raw) + let parsed + try { + parsed = parseFrontmatter(raw) + } catch (error) { + ctx.logger.warn(`skill file ${path} ignored: invalid YAML frontmatter: ${errorMessage(error)}`) + return undefined + } if (!parsed) { ctx.logger.warn(`skill file ${path} ignored: missing YAML frontmatter`) return undefined @@ -426,15 +456,48 @@ function fsReadErrorMessage(target: FsTarget, error: unknown): string { return `failed to read text file at ${target.displayPath}: ${errorMessage(error)}` } +async function entryKind(fullPath: string, entry: { isDirectory(): boolean; isFile(): boolean; isSymbolicLink(): boolean }, ctx: Context): Promise<'directory' | 'file' | undefined> { + if (entry.isDirectory()) return 'directory' + if (entry.isFile()) return 'file' + /* v8 ignore next -- Non-file directory entries such as FIFOs are platform-specific and intentionally skipped. */ + if (!entry.isSymbolicLink()) return undefined + try { + const info = await stat(fullPath) + if (info.isDirectory()) return 'directory' + if (info.isFile()) return 'file' + return undefined + } catch (error) { + ctx.logger.warn(`skill entry ${fullPath} ignored: failed to follow symbolic link: ${errorMessage(error)}`) + return undefined + } +} + function parseFrontmatter(raw: string): { data: Record; body: string } | undefined { - if (!raw.startsWith('---\n')) return undefined - const end = raw.indexOf('\n---', 4) - if (end < 0) return undefined - const yaml = raw.slice(4, end) + const firstLineEnd = raw.indexOf('\n') + if (firstLineEnd < 0) return undefined + const firstLine = raw.slice(0, firstLineEnd).replace(/\r$/, '') + if (firstLine !== '---') return undefined + const start = firstLineEnd + 1 + const closing = findClosingFrontmatter(raw, start) + if (closing === undefined) return undefined + const yaml = raw.slice(start, closing.start) const parsed = parseYaml(yaml) as unknown if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return undefined - const body = raw.slice(end + 4) - return { data: parsed as Record, body: body.startsWith('\n') ? body.slice(1) : body } + return { data: parsed as Record, body: raw.slice(closing.bodyStart) } +} + +function findClosingFrontmatter(raw: string, start: number): { start: number; bodyStart: number } | undefined { + let lineStart = start + while (lineStart <= raw.length) { + const nextNewline = raw.indexOf('\n', lineStart) + const lineEnd = nextNewline < 0 ? raw.length : nextNewline + const line = raw.slice(lineStart, lineEnd).replace(/\r$/, '') + if (line === '---') { + return { start: lineStart, bodyStart: nextNewline < 0 ? raw.length : nextNewline + 1 } + } + if (nextNewline < 0) return undefined + lineStart = nextNewline + 1 + } } async function findProjectRoot(cwd: string): Promise { @@ -474,14 +537,20 @@ function compareSummary(left: SkillSummary, right: SkillSummary): number { return left.name.localeCompare(right.name) } -function promptLine(value: string): string { +function promptLine(value: string, maxLength: number): string { const normalized = value.replaceAll(/\s+/g, ' ').trim() - const truncated = normalized.length <= MAX_PROMPT_FIELD_LENGTH + const truncated = normalized.length <= maxLength ? normalized - : `${normalized.slice(0, MAX_PROMPT_FIELD_LENGTH - 3)}...` + : `${normalized.slice(0, maxLength - 3)}...` return escapeText(truncated) } +function assertPositiveInteger(name: string, value: number): void { + if (!Number.isInteger(value) || value < 1) { + throw new Error(`skill: ${name} must be a positive integer`) + } +} + function stringField(data: Record, key: string): string | undefined { const value = data[key] return typeof value === 'string' && value.length > 0 ? value : undefined diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index a500fd02a1..8fdb6116ed 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -1,10 +1,10 @@ import { describe, expect, it } from 'vitest' -import { mkdir, readFile, writeFile } from 'node:fs/promises' -import { join } from 'node:path' +import { mkdir, readFile, symlink, writeFile } from 'node:fs/promises' +import { dirname, join } from 'node:path' import { tmpdir } from 'node:os' import { Context } from 'cordis' import SkillService from '@deepseek-ai/dsh-skill' -import LocalFileSystem from '@deepseek-ai/dsh-fs-local' +import { FileSystem, FsVersion, type FsEditOutcome, type FsEditRequest, type FsInfo, type FsTarget, type FsWriteOutcome } from '@deepseek-ai/dsh-fs' async function tempDir(name: string): Promise { return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) @@ -21,6 +21,50 @@ async function writeFlatSkill(root: string, name: string, description: string, b await writeFile(join(root, `${name}.md`), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) } +class TestFileSystem extends FileSystem { + override async resolve(path: string): Promise { + return { targetKey: path as never, displayPath: path } + } + + override async stat(target: FsTarget): Promise { + try { + const fs = await import('node:fs/promises') + const info = await fs.stat(target.displayPath) + return { + version: FsVersion(String(info.mtimeMs)), + type: info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other', + size: info.size, + } + } catch { + return undefined + } + } + + override async readText(target: FsTarget): Promise { + const text = await readFile(target.displayPath, 'utf8') + if (text.includes('\uFFFD')) throw new Error('not text') + return text + } + + override async streamText(_target: FsTarget): Promise> { + throw new Error('not needed in skill tests') + } + + override async listDir(): Promise { + throw new Error('not needed in skill tests') + } + + override async writeText(target: FsTarget, content: string): Promise { + await mkdir(dirname(target.displayPath), { recursive: true }) + await writeFile(target.displayPath, content) + return { operation: 'create', version: FsVersion('test'), before: null, after: content } + } + + override async editText(_target: FsTarget, _request: FsEditRequest): Promise { + throw new Error('not needed in skill tests') + } +} + describe('SkillService', () => { it('discovers project, user, agents, and system skill roots in priority order', async () => { const home = await tempDir('skill-home') @@ -113,6 +157,7 @@ describe('SkillService', () => { await writeFile(join(home, '.dsh/skills/bad.md'), '---\nname: Bad_Name\ndescription: bad\n---\n\nbad') await writeFile(join(home, '.dsh/skills/missing-description.md'), '---\nname: missing-description\n---\n\nbad') await writeFile(join(home, '.dsh/skills/no-frontmatter.md'), 'No frontmatter.') + await writeFile(join(home, '.dsh/skills/plain-markdown.md'), '# Notes\nNot a skill.') await writeFile(join(home, '.dsh/skills/open-frontmatter.md'), '---\nname: open-frontmatter') await writeFile(join(home, '.dsh/skills/non-object.md'), '---\n[]\n---\n\nbad') await writeFile(join(home, '.dsh/skills/no-trailing-body.md'), '---\nname: no-trailing-body\ndescription: No trailing body\n---') @@ -129,22 +174,141 @@ describe('SkillService', () => { expect(await ctx.skills.get('Bad_Name')).toBeUndefined() }) - it('keeps skill body text that begins immediately after the closing frontmatter delimiter', async () => { - const home = await tempDir('skill-frontmatter-body') + it('supports CRLF frontmatter and ignores delimiter-looking text inside YAML values', async () => { + const home = await tempDir('skill-frontmatter-crlf') const root = join(home, '.dsh/skills') await mkdir(root, { recursive: true }) - await writeFile(join(root, 'tight-body.md'), [ + await writeFile(join(root, 'crlf-skill.md'), [ '---', - 'name: tight-body', - 'description: Tight body', - '---First line must survive.', - 'Second line.', + 'name: crlf-skill', + 'description: CRLF skill', + 'metadata:', + ' marker: "----"', + '---', + '', + 'CRLF body.', + ].join('\r\n')) + await writeFile(join(root, 'block-skill.md'), [ + '---', + 'name: block-skill', + 'description: |', + ' Includes a ---- marker that is not a delimiter.', + '---', + '', + 'Block body.', ].join('\n')) const ctx = new Context() await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - expect((await ctx.skills.get('tight-body'))?.content).toBe('First line must survive.\nSecond line.') + expect((await ctx.skills.get('crlf-skill'))?.content).toBe('CRLF body.') + expect((await ctx.skills.get('crlf-skill'))?.metadata).toEqual({ marker: '----' }) + expect((await ctx.skills.get('block-skill'))?.description).toBe('Includes a ---- marker that is not a delimiter.\n') + expect((await ctx.skills.get('block-skill'))?.content).toBe('Block body.') + }) + + it('skips invalid YAML skill files without poisoning discovery cache', async () => { + const home = await tempDir('skill-invalid-yaml') + const root = join(home, '.dsh/skills') + await writeSkill(root, 'good-skill', 'Good skill') + await writeFile(join(root, 'bad-yaml.md'), '---\nname: bad-yaml\ndescription: [unclosed\n---\n\nBad body.\n') + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['good-skill']) + await writeFile(join(root, 'bad-yaml.md'), '---\nname: fixed-skill\ndescription: Fixed skill\n---\n\nFixed body.\n') + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['good-skill']) + const dispose = ctx.skills.register({ + name: 'runtime-skill', + description: 'Runtime skill', + content: 'Runtime body.', + directory: 'memory://runtime', + source: 'runtime', + }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['fixed-skill', 'good-skill', 'runtime-skill']) + dispose() + }) + + it('does not cache a rejected discovery promise', async () => { + const home = await tempDir('skill-rejected-cache') + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + const internals = ctx.skills as unknown as { + collectFresh(roots: unknown): Promise + } + const original = internals.collectFresh.bind(ctx.skills) + let fail = true + internals.collectFresh = async (roots: unknown) => { + if (fail) throw new Error('transient discovery failure') + return await original(roots) + } + + await expect(ctx.skills.list()).rejects.toThrow('transient discovery failure') + fail = false + await writeSkill(join(home, '.dsh/skills'), 'late-good', 'Late good') + await expect(ctx.skills.list()).resolves.toMatchObject([{ name: 'late-good' }]) + }) + + it('discovers symlinked skill directories and flat files', async () => { + const home = await tempDir('skill-symlink-home') + const external = await tempDir('skill-symlink-external') + await writeSkill(external, 'linked-dir', 'Linked directory') + await writeFlatSkill(external, 'linked-flat', 'Linked flat') + await mkdir(join(home, '.dsh/skills'), { recursive: true }) + await symlink(join(external, 'linked-dir'), join(home, '.dsh/skills/linked-dir')) + await symlink(join(external, 'linked-flat.md'), join(home, '.dsh/skills/linked-flat.md')) + await symlink(join(external, 'missing'), join(home, '.dsh/skills/broken-link')) + await symlink('/dev/null', join(home, '.dsh/skills/device-link')) + + const ctx = new Context() + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['linked-dir', 'linked-flat']) + }) + + it('honors prompt and cache bounds from config', async () => { + const home = await tempDir('skill-config-bounds') + const firstProject = await tempDir('skill-config-first') + const secondProject = await tempDir('skill-config-second') + await mkdir(join(firstProject, '.git'), { recursive: true }) + await mkdir(join(secondProject, '.git'), { recursive: true }) + await writeSkill(join(firstProject, '.dsh/skills'), 'first-skill', 'abcdefghij') + await writeSkill(join(secondProject, '.dsh/skills'), 'second-skill', 'Second') + + const ctx = new Context() + await ctx.plugin(SkillService, { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + installSystemSkills: false, + promptFieldMaxLength: 6, + collectCacheMaxEntries: 1, + }) + + expect(await ctx.skills.renderModelListing({ cwd: firstProject })).toContain('description: abc...') + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['first-skill']) + await writeSkill(join(firstProject, '.dsh/skills'), 'late-first', 'Late first') + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['first-skill']) + await ctx.skills.list({ cwd: secondProject }) + expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['first-skill', 'late-first']) + }) + + it('rejects invalid positive-integer config caps', async () => { + const home = await tempDir('skill-invalid-config') + const ctx = new Context() + await expect(ctx.plugin(SkillService, { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + installSystemSkills: false, + promptFieldMaxLength: 0, + })).rejects.toThrow('promptFieldMaxLength') + await expect(ctx.plugin(SkillService, { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + installSystemSkills: false, + collectCacheMaxEntries: 1.5, + })).rejects.toThrow('collectCacheMaxEntries') }) it('renders no model listing when no model-invocable skills exist', async () => { @@ -178,6 +342,16 @@ describe('SkillService', () => { } }) + it('keeps constructor defaults when schema preprocessing is not involved', async () => { + const home = await tempDir('skill-constructor-defaults') + const service = new SkillService(new Context(), { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + }) + + expect((await service.list()).map(skill => skill.name)).toEqual(['dsh-plugin-creator', 'dsh-skill-creator']) + }) + it('installs system skills into the DSH home without overwriting existing files', async () => { const home = await tempDir('skill-install') const existing = join(home, '.dsh/skills/.system/dsh-plugin-creator/SKILL.md') @@ -202,7 +376,7 @@ describe('SkillService', () => { await writeFile(existing, '---\nname: dsh-plugin-creator\ndescription: Existing system skill\n---\n\nExisting body.\n') const ctx = new Context() - await ctx.plugin(LocalFileSystem, { cwd: home }) + await ctx.plugin(TestFileSystem) await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) expect((await ctx.skills.list()).map(skill => [skill.name, skill.description])).toEqual([ @@ -237,7 +411,7 @@ describe('SkillService', () => { ])) const ctx = new Context() - await ctx.plugin(LocalFileSystem, { cwd: home }) + await ctx.plugin(TestFileSystem) await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['text-skill']) diff --git a/packages/core/skill/tsconfig.json b/packages/core/skill/tsconfig.json index 246a0f8b3c..db80ec56ed 100644 --- a/packages/core/skill/tsconfig.json +++ b/packages/core/skill/tsconfig.json @@ -8,6 +8,7 @@ "references": [ { "path": "../../../vendor/cosmokit" }, { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" }, { "path": "../../fs/fs" }, { "path": "../../llm/llm" }, { "path": "../agent" } diff --git a/packages/ui/acp-agent/src/index.ts b/packages/ui/acp-agent/src/index.ts index c505e9bf41..26ca874ff8 100644 --- a/packages/ui/acp-agent/src/index.ts +++ b/packages/ui/acp-agent/src/index.ts @@ -38,6 +38,15 @@ import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl' export const name = 'acp-agent' +const SkillConfigSchema: z = z.object({ + dshHome: z.string(), + agentsHome: z.string(), + extraRoots: z.array(z.string()).default([]), + installSystemSkills: z.boolean().default(true), + promptFieldMaxLength: z.number().default(500), + collectCacheMaxEntries: z.number().default(128), +}) + /** * App config: the swappable per-deployment values. `model`/`systemPrompt` * configure the agent template the ACP bridge creates each session's agent from @@ -51,12 +60,15 @@ export interface Config { systemPrompt: string /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string + /** Skill discovery config forwarded to the shared agent-core spine. */ + skills?: agentCore.SkillConfig } export const Config: z = z.object({ model: z.string().required(), systemPrompt: z.string().required(), persistenceRoot: z.string().default('./.sessions'), + skills: SkillConfigSchema, }) /** @@ -67,7 +79,7 @@ export const Config: z = z.object({ * stdout stays pure. */ export function apply(ctx: Context, config: Config): void { - ctx.plugin(agentCore) + ctx.plugin(agentCore, { agents: [], ...config.skills === undefined ? {} : { skills: config.skills } }) ctx.plugin(SessionPersistenceJsonl, { root: config.persistenceRoot ?? './.sessions' }) ctx.plugin(acp, { model: config.model, systemPrompt: config.systemPrompt }) } diff --git a/packages/ui/acp-agent/tests/acp-agent.spec.ts b/packages/ui/acp-agent/tests/acp-agent.spec.ts index 7a02837fca..98b5cee517 100644 --- a/packages/ui/acp-agent/tests/acp-agent.spec.ts +++ b/packages/ui/acp-agent/tests/acp-agent.spec.ts @@ -1,4 +1,7 @@ import { describe, expect, it } from 'vitest' +import { mkdtemp } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import * as acpAgent from '../src/index.ts' @@ -22,9 +25,14 @@ async function mount(config: acpAgent.Config): Promise { return ctx } +async function isolatedSkillsConfig(): Promise> { + const home = await mkdtemp(join(tmpdir(), 'dsh-acp-agent-skills-')) + return { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false } +} + describe('dsh-acp-agent composition', () => { it('brings up the spine + persistence + the ACP bridge', async () => { - const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-acp-agent-test' }) + const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-acp-agent-test', skills: await isolatedSkillsConfig() }) expect(ctx.get('agents')).toBeDefined() expect(ctx.get('sessions')).toBeDefined() expect(ctx.get('sessionPersistence')).toBeDefined() @@ -40,12 +48,18 @@ describe('dsh-acp-agent composition', () => { // `ctx.plugin`, which validates+defaults the config first) with no // persistenceRoot, so the runtime fallback is the one that fires. const ctx = new Context() - acpAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi' }) + acpAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi', skills: await isolatedSkillsConfig() }) await new Promise(resolve => setTimeout(resolve, 50)) expect(ctx.get('sessionPersistence')).toBeDefined() await ctx.fiber.dispose() }) + it('forwards skill config into agent-core', async () => { + const ctx = await mount({ model: 'mock', systemPrompt: 'hi', skills: await isolatedSkillsConfig() }) + expect(await ctx.skills.list()).toEqual([]) + await ctx.fiber.dispose() + }) + it('exposes its plugin shape', () => { expect(acpAgent.name).toBe('acp-agent') expect(acpAgent.Config).toBeDefined() diff --git a/packages/ui/acp-agent/tests/built-bin.e2e.ts b/packages/ui/acp-agent/tests/built-bin.e2e.ts index d900c14152..1746005c34 100644 --- a/packages/ui/acp-agent/tests/built-bin.e2e.ts +++ b/packages/ui/acp-agent/tests/built-bin.e2e.ts @@ -120,7 +120,12 @@ describe.skipIf(!existsSync(acpBin))('dsh-acp-agent BUILT bin (node lib/bin.js, child = spawn(process.execPath, ['--expose-internals', acpBin, './cordis.yml'], { cwd: consumer, // Dummy key: initialize never reaches the model, so it is never used. - env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot' }, + env: { + ...process.env, + DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', + DSH_HOME: join(consumer, '.dsh'), + DSH_AGENTS_HOME: join(consumer, '.agents'), + }, stdio: ['pipe', 'pipe', 'pipe'], }) const stderr: string[] = [] @@ -180,7 +185,12 @@ function runBinExpectingExit(configArg: string, cwd: string = tmpdir()): Promise return new Promise((resolve, reject) => { const proc = spawn(process.execPath, ['--expose-internals', acpBin, configArg], { cwd, - env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot' }, + env: { + ...process.env, + DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), + }, stdio: ['pipe', 'pipe', 'pipe'], }) child = proc diff --git a/packages/ui/acp-agent/tests/load-path.e2e.ts b/packages/ui/acp-agent/tests/load-path.e2e.ts index fd559d99bf..ee27b35c09 100644 --- a/packages/ui/acp-agent/tests/load-path.e2e.ts +++ b/packages/ui/acp-agent/tests/load-path.e2e.ts @@ -90,6 +90,8 @@ async function boot(): Promise { TSX_TSCONFIG_PATH: repoTsconfig, // Key-present check only; no prompt is sent, so the model is never called. DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'keyless-acp-agent-smoke', + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), }, stdio: ['pipe', 'pipe', 'pipe'], }, diff --git a/packages/ui/stdio-agent/src/index.ts b/packages/ui/stdio-agent/src/index.ts index d620d9f723..2a370f5cb3 100644 --- a/packages/ui/stdio-agent/src/index.ts +++ b/packages/ui/stdio-agent/src/index.ts @@ -49,6 +49,15 @@ import * as uiStdio from './stdio-chat.ts' export const name = 'stdio-agent' +const SkillConfigSchema: z = z.object({ + dshHome: z.string(), + agentsHome: z.string(), + extraRoots: z.array(z.string()).default([]), + installSystemSkills: z.boolean().default(true), + promptFieldMaxLength: z.number().default(500), + collectCacheMaxEntries: z.number().default(128), +}) + /** * App config: the swappable per-demo values, each routed to where the app wires * it. `model`/`systemPrompt`/`resumeSessionId` configure the pre-created `main` @@ -66,6 +75,8 @@ export interface Config { persistenceRoot?: string /** stdin-chat banner printed once on start. Defaults to `'ready.'`. */ welcome?: string + /** Skill discovery config forwarded to the shared agent-core spine. */ + skills?: agentCore.SkillConfig /** * If set, the `main` agent RESUMES this persisted session id instead of * starting fresh. Sourced from an env var in the leaf `cordis.yml` @@ -79,6 +90,7 @@ export const Config: z = z.object({ systemPrompt: z.string().required(), persistenceRoot: z.string().default('./.sessions'), welcome: z.string().default('ready.'), + skills: SkillConfigSchema, resumeSessionId: z.string(), }) @@ -99,6 +111,7 @@ export function apply(ctx: Context, config: Config): void { cwd: process.cwd(), ...config.resumeSessionId !== undefined ? { resumeSessionId: SessionId(config.resumeSessionId) } : {}, }], + ...config.skills !== undefined ? { skills: config.skills } : {}, }) ctx.plugin(SessionPersistenceJsonl, { root: config.persistenceRoot ?? './.sessions' }) ctx.plugin(uiStdio, { welcome: config.welcome ?? 'ready.', agent: 'main' }) diff --git a/packages/ui/stdio-agent/tests/built-bin.e2e.ts b/packages/ui/stdio-agent/tests/built-bin.e2e.ts index cda8b41b1f..59862de8d4 100644 --- a/packages/ui/stdio-agent/tests/built-bin.e2e.ts +++ b/packages/ui/stdio-agent/tests/built-bin.e2e.ts @@ -110,7 +110,7 @@ function runBuiltBin(cwd: string, configArg: string, line: string): Promise<{ st const child = spawn(process.execPath, ['--expose-internals', stdioBin, configArg], { cwd, // Mock model: never calls the network, so no key needed. - env: { ...process.env }, + env: { ...process.env, DSH_HOME: join(cwd, '.dsh'), DSH_AGENTS_HOME: join(cwd, '.agents') }, stdio: ['pipe', 'pipe', 'pipe'], }) let stdout = '' diff --git a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts index 1190231c14..ba19bf9718 100644 --- a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts +++ b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts @@ -1,4 +1,7 @@ import { describe, it, expect } from 'vitest' +import { mkdtemp } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import { AgentId } from '@deepseek-ai/dsh-agent' @@ -28,9 +31,14 @@ async function mount(config: stdioAgent.Config): Promise { return ctx } +async function isolatedSkillsConfig(): Promise> { + const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-agent-skills-')) + return { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false } +} + describe('dsh-stdio-agent app', () => { it('composes the spine + front-door cluster and pre-creates the main agent', async () => { - const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-stdio-agent-spec' }) + const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-stdio-agent-spec', skills: await isolatedSkillsConfig() }) // The spine services (brought up by the agent-core bundle) are all present. expect(ctx.get('agents')).toBeDefined() expect(ctx.get('agentLoop')).toBeDefined() @@ -48,7 +56,7 @@ describe('dsh-stdio-agent app', () => { // apply()'s last two lines are the ones that fire — covering a // schema-bypassing direct-mount caller. const ctx = new Context() - stdioAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi' }) + stdioAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi', skills: await isolatedSkillsConfig() }) await new Promise(resolve => setTimeout(resolve, 80)) expect(ctx.get('sessionPersistence')).toBeDefined() expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined() @@ -64,11 +72,18 @@ describe('dsh-stdio-agent app', () => { systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-stdio-agent-spec-resume', resumeSessionId: 'no-such-session', + skills: await isolatedSkillsConfig(), }) expect(ctx.get('agents')?.get(AgentId('main'))).toBeUndefined() await ctx.fiber.dispose() }) + it('forwards skill config into agent-core', async () => { + const ctx = await mount({ model: 'mock', systemPrompt: 'hi', skills: await isolatedSkillsConfig() }) + expect(await ctx.skills.list()).toEqual([]) + await ctx.fiber.dispose() + }) + it('exposes its name and Config schema', () => { expect(stdioAgent.name).toBe('stdio-agent') expect(stdioAgent.Config).toBeDefined() diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index fe2279319b..1e9291924a 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -222,6 +222,9 @@ importers: cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + schemastery: + specifier: ^3.18.0 + version: 3.18.0 packages/core/agent-loop: dependencies: @@ -271,6 +274,9 @@ importers: packages/core/skill: dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 yaml: specifier: ^2.4.2 version: 2.9.0 diff --git a/vitest.config.ts b/vitest.config.ts index 6afd87dcb0..7562dd628b 100644 --- a/vitest.config.ts +++ b/vitest.config.ts @@ -1,4 +1,5 @@ import tsconfigPaths from 'vite-tsconfig-paths' +import { fileURLToPath } from 'node:url' import { defineConfig } from 'vitest/config' export default defineConfig({ @@ -18,6 +19,16 @@ export default defineConfig({ // upstream copies (vendor/README.md). The plugin's `projects` option // instead applies the one root map to every importer. plugins: [tsconfigPaths({ projects: ['./tsconfig.json'] })], + resolve: { + // The root tsconfig maps `schemastery` to its vendored TS source, whose + // upstream module shape is `export = Schema`. Vite/Vitest does not synthesize + // a default export for that source file consistently, while the package's + // built ESM artifact does. Tests exercise harness source but can use the + // vendored dependency's built artifact for this CJS-interop boundary. + alias: { + schemastery: fileURLToPath(new URL('./vendor/schemastery/lib/index.mjs', import.meta.url)), + }, + }, test: { include: ['packages/*/*/tests/**/*.spec.ts', 'examples/*/tests/**/*.spec.ts'], coverage: { From 77ab82a94c2f98908a4f46ed2bfb61eb65ecfa9a Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Sun, 5 Jul 2026 18:38:44 +0800 Subject: [PATCH 09/90] fix: list skills through fs seam --- packages/core/skill/src/index.ts | 63 +++++++++++++++++++------ packages/core/skill/tests/skill.spec.ts | 34 +++++++++++-- 2 files changed, 79 insertions(+), 18 deletions(-) diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index 39c656eac8..d2a228dc1c 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -15,7 +15,7 @@ import { Context, Service } from 'cordis' import z from 'schemastery' import type Schema from 'schemastery' import { parse as parseYaml } from 'yaml' -import type { FileSystem, FsTarget } from '@deepseek-ai/dsh-fs' +import type { FileSystem, FsDirEntry, FsTarget } from '@deepseek-ai/dsh-fs' import type { GenerateOptions } from '@deepseek-ai/dsh-llm' import type {} from '@deepseek-ai/dsh-agent' @@ -338,6 +338,47 @@ function renderSkillFile(skill: SkillDefinition): string { } async function discoverRoot(root: SkillRoot, ctx: Context): Promise { + const skills: SkillDefinition[] = [] + const entries = await listSkillRootEntries(root, ctx) + for (const entry of entries.sort((a, b) => a.name.localeCompare(b.name))) { + if (root.skipSystem && entry.name === '.system') continue + const parsed = entry.type === 'directory' + ? await parseSkillFile(join(entry.path, 'SKILL.md'), entry.path, root.source, ctx) + : entry.type === 'file' && entry.name.endsWith('.md') + ? await parseSkillFile(entry.path, root.path, root.source, ctx) + : undefined + if (parsed) skills.push(parsed) + } + return skills +} + +interface SkillRootEntry { + name: string + type: 'directory' | 'file' | 'other' + path: string +} + +async function listSkillRootEntries(root: SkillRoot, ctx: Context): Promise { + const fs = optionalFileSystem(ctx) + if (fs !== undefined) return await listSkillRootEntriesFromFileSystem(root, fs) + return await listSkillRootEntriesFromNode(root, ctx) +} + +async function listSkillRootEntriesFromFileSystem(root: SkillRoot, fs: FileSystem): Promise { + try { + const target = await fs.resolve(root.path) + const entries = await fs.listDir(target) + return entries.map(entryFromFs) + } catch { + return [] + } +} + +function entryFromFs(entry: FsDirEntry): SkillRootEntry { + return { name: entry.name, type: entry.type, path: entry.target.displayPath } +} + +async function listSkillRootEntriesFromNode(root: SkillRoot, ctx: Context): Promise { let entries try { entries = await readdir(root.path, { withFileTypes: true, encoding: 'utf8' }) @@ -345,19 +386,13 @@ async function discoverRoot(root: SkillRoot, ctx: Context): Promise a.name.localeCompare(b.name))) { - if (root.skipSystem && entry.name === '.system') continue - const fullPath = join(root.path, entry.name) - const kind = await entryKind(fullPath, entry, ctx) - const parsed = kind === 'directory' - ? await parseSkillFile(join(fullPath, 'SKILL.md'), fullPath, root.source, ctx) - : kind === 'file' && entry.name.endsWith('.md') - ? await parseSkillFile(fullPath, root.path, root.source, ctx) - : undefined - if (parsed) skills.push(parsed) + const result: SkillRootEntry[] = [] + for (const entry of entries) { + const path = join(root.path, entry.name) + const type = await nodeEntryKind(path, entry, ctx) + result.push({ name: entry.name, type: type ?? 'other', path }) } - return skills + return result } async function parseSkillFile(path: string, directory: string, source: SkillSource, ctx: Context): Promise { @@ -456,7 +491,7 @@ function fsReadErrorMessage(target: FsTarget, error: unknown): string { return `failed to read text file at ${target.displayPath}: ${errorMessage(error)}` } -async function entryKind(fullPath: string, entry: { isDirectory(): boolean; isFile(): boolean; isSymbolicLink(): boolean }, ctx: Context): Promise<'directory' | 'file' | undefined> { +async function nodeEntryKind(fullPath: string, entry: { isDirectory(): boolean; isFile(): boolean; isSymbolicLink(): boolean }, ctx: Context): Promise<'directory' | 'file' | undefined> { if (entry.isDirectory()) return 'directory' if (entry.isFile()) return 'file' /* v8 ignore next -- Non-file directory entries such as FIFOs are platform-specific and intentionally skipped. */ diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index 8fdb6116ed..be16483a1e 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -1,10 +1,10 @@ import { describe, expect, it } from 'vitest' -import { mkdir, readFile, symlink, writeFile } from 'node:fs/promises' +import { mkdir, readdir, readFile, stat, symlink, writeFile } from 'node:fs/promises' import { dirname, join } from 'node:path' import { tmpdir } from 'node:os' import { Context } from 'cordis' import SkillService from '@deepseek-ai/dsh-skill' -import { FileSystem, FsVersion, type FsEditOutcome, type FsEditRequest, type FsInfo, type FsTarget, type FsWriteOutcome } from '@deepseek-ai/dsh-fs' +import { FileSystem, FsVersion, type FsDirEntry, type FsEditOutcome, type FsEditRequest, type FsInfo, type FsTarget, type FsWriteOutcome } from '@deepseek-ai/dsh-fs' async function tempDir(name: string): Promise { return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) @@ -22,6 +22,8 @@ async function writeFlatSkill(root: string, name: string, description: string, b } class TestFileSystem extends FileSystem { + listDirCalls = 0 + override async resolve(path: string): Promise { return { targetKey: path as never, displayPath: path } } @@ -50,8 +52,30 @@ class TestFileSystem extends FileSystem { throw new Error('not needed in skill tests') } - override async listDir(): Promise { - throw new Error('not needed in skill tests') + override async listDir(target: FsTarget): Promise { + this.listDirCalls += 1 + const entries = await readdir(target.displayPath, { withFileTypes: true, encoding: 'utf8' }) + const result: FsDirEntry[] = [] + for (const entry of entries.sort((left, right) => left.name.localeCompare(right.name))) { + const childPath = join(target.displayPath, entry.name) + let type: FsInfo['type'] = 'other' + let size: number | undefined + try { + const info = await stat(childPath) + type = info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other' + size = info.isFile() ? info.size : undefined + } catch { + type = 'other' + } + result.push({ + name: entry.name, + type, + target: { targetKey: childPath as never, displayPath: childPath }, + version: FsVersion('test'), + ...(size !== undefined ? { size } : {}), + }) + } + return result } override async writeText(target: FsTarget, content: string): Promise { @@ -412,9 +436,11 @@ describe('SkillService', () => { const ctx = new Context() await ctx.plugin(TestFileSystem) + const fs = ctx.fs as TestFileSystem await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['text-skill']) + expect(fs.listDirCalls).toBeGreaterThan(0) expect(await ctx.skills.get('binary-skill')).toBeUndefined() }) From e264a106fdfea5d5c1db8be72058b6f1a16edf99 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 5 Jul 2026 19:04:38 +0800 Subject: [PATCH 10/90] workflow, subagent: fix Codex code-review round-1 blockers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Six verified A-findings from the code-stage review, each with a regression test: - parallel()/pipeline() resolved to HOST arrays inside the vm realm, exposing host Array.prototype to scripts; combinator results are now realm-built (in-realm Array.from bound at context setup). - materializeFromRealm ran proxy traps (ownKeys/getOwnPropertyDescriptor/ getPrototypeOf) during the descriptor walk — realm code on the host stack, outside the vm timeout, escaping as raw errors; proxies (root, nested, and in the prototype position) are now rejected trap-free via util.types.isProxy before any inspection. - an already-aborted signal or an immediate cancel() no longer reports 'completed' for a hook-free script: drive() checks cancellation before running the body and again when the script settles. - dispose() now waits (bounded by disposeGraceMs) for stray agent() children to FINISH disposing, not just for the script to settle: every agent() call is tracked and quiesce() drains the in-flight set. - workflow/* event payloads were live mutable aliases shared across emissions; emitWorkflowEvent now hands each listener its own structural clone. - the structured-output turn-continuation veto is now prepend: true, so an earlier-registered force-continue listener cannot short-circuit it. Docs updated in the same change (READMEs, core-data-structures/workflow.md, the dynamic-workflows RFC, regenerated cordis catalogs). --- docs/cordis-catalog/events.md | 12 +- docs/cordis-catalog/services.md | 4 +- docs/core-data-structures/workflow.md | 4 +- .../feature/2026-07-05-dynamic-workflows.md | 6 +- .../subagent/subagent-inprocess/README.md | 2 +- .../subagent-inprocess/src/structured.ts | 12 +- .../tests/structured.spec.ts | 29 ++++ packages/workflow/workflow-vm/README.md | 6 +- packages/workflow/workflow-vm/src/index.ts | 28 +++- packages/workflow/workflow-vm/src/realm.ts | 19 ++- packages/workflow/workflow-vm/src/runtime.ts | 57 ++++++- .../workflow/workflow-vm/tests/meta.spec.ts | 8 + .../workflow/workflow-vm/tests/realm.spec.ts | 21 +++ .../workflow-vm/tests/workflow-vm.spec.ts | 146 +++++++++++++++++- packages/workflow/workflow/README.md | 4 +- packages/workflow/workflow/src/index.ts | 29 ++-- .../workflow/workflow/tests/workflow.spec.ts | 22 +++ 17 files changed, 358 insertions(+), 51 deletions(-) diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 463c7e06b2..1ba45f027e 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -323,7 +323,7 @@ One `agent()` call settled (clean result, child failure, or run cancellation). P 'workflow/agent-end'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void ``` -Source: [`packages/workflow/workflow/src/index.ts:91`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:93`](../../packages/workflow/workflow/src/index.ts) ### `workflow/agent-start` — emit @@ -333,7 +333,7 @@ One `agent()` call started a child run. Paired with Events['workflow/agent-end'] 'workflow/agent-start'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void ``` -Source: [`packages/workflow/workflow/src/index.ts:83`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:85`](../../packages/workflow/workflow/src/index.ts) ### `workflow/end` — emit @@ -343,7 +343,7 @@ A workflow run settled (any stop reason). Fired when WorkflowRun.result resolves 'workflow/end'(info: WorkflowRunInfo, result: WorkflowResultInfo): void ``` -Source: [`packages/workflow/workflow/src/index.ts:101`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:103`](../../packages/workflow/workflow/src/index.ts) ### `workflow/log` — emit @@ -353,7 +353,7 @@ The script emitted a narration line (a `log(message)` call). 'workflow/log'(info: WorkflowRunInfo, message: string): void ``` -Source: [`packages/workflow/workflow/src/index.ts:75`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:77`](../../packages/workflow/workflow/src/index.ts) ### `workflow/phase` — emit @@ -363,7 +363,7 @@ The script entered a phase (a `phase(title)` call) — progress grouping for obs 'workflow/phase'(info: WorkflowRunInfo, title: string): void ``` -Source: [`packages/workflow/workflow/src/index.ts:68`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:70`](../../packages/workflow/workflow/src/index.ts) ### `workflow/start` — emit @@ -373,7 +373,7 @@ A workflow run started — the script's meta block validated, the body about to 'workflow/start'(info: WorkflowRunInfo): void ``` -Source: [`packages/workflow/workflow/src/index.ts:60`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:62`](../../packages/workflow/workflow/src/index.ts) ## Inherited events (cordis core + loader/hmr/timer) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index c1f67c0725..88559d658f 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -235,13 +235,13 @@ Semantics every implementation must honor: - start throws synchronously for a request that cannot begin (an unparseable script, an invalid meta block). Once it returns a WorkflowRun, `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`). - The `workflow/*` events fire through emitWorkflowEvent (data snapshots, per-listener containment); `workflow/end` fires exactly once per started run, after `result` is settled or as it settles. -- `dispose()` reaches quiescence within a bounded grace: it cancels, waits for the script to settle, and abandons a stuck script rather than hanging its caller (the engine documents what abandonment leaves behind). +- `dispose()` reaches quiescence within a bounded grace: it cancels, waits for the script to settle AND its started children to finish disposing, and abandons whatever is left rather than hanging its caller (the engine documents what abandonment leaves behind). ```ts cordis-catalog abstract start(request: WorkflowStartRequest): WorkflowRun ``` -Source: [`packages/workflow/workflow/src/index.ts:188`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:191`](../../packages/workflow/workflow/src/index.ts) ## Inherited `ctx` members (cordis core + loader/hmr/timer) diff --git a/docs/core-data-structures/workflow.md b/docs/core-data-structures/workflow.md index ebdf00869a..11f216f39e 100644 --- a/docs/core-data-structures/workflow.md +++ b/docs/core-data-structures/workflow.md @@ -47,7 +47,7 @@ interface WorkflowResult { ## A live run: `WorkflowRun` -The handle the consumer holds while a script executes. The consumer awaits `result`, may `cancel` mid-flight, and MUST `dispose` on every path. `result` does NOT reject — a script failure resolves with `stopReason: 'error'` — so the consumer maps a non-`completed` reason to an `isError` result. `dispose()` cancels, waits a bounded grace for the script to settle, then abandons it (the engine documents the abandonment semantics); it never hangs on a stuck script. +The handle the consumer holds while a script executes. The consumer awaits `result`, may `cancel` mid-flight, and MUST `dispose` on every path. `result` does NOT reject — a script failure resolves with `stopReason: 'error'` — so the consumer maps a non-`completed` reason to an `isError` result. `dispose()` cancels, waits a bounded grace for the script to settle AND its children to finish disposing, then abandons whatever is left (the engine documents the abandonment semantics); it never hangs on a stuck script. ```ts type-equiv interface WorkflowRun { @@ -65,4 +65,4 @@ Hook misuse inside a script — bad arguments, unknown/deferred `agent()` option ## Events -The `workflow/*` events (`workflow/start`, `workflow/phase`, `workflow/log`, `workflow/agent-start`, `workflow/agent-end`, `workflow/end` — see the [events catalog](../cordis-catalog/events.md)) are **observe-only** emits carrying DATA SNAPSHOTS: every payload starts with `WorkflowRunInfo` (id + meta), never the live `WorkflowRun`, so a subscriber cannot gain `cancel`/`dispose`, and `workflow/end` deliberately omits the result value (a listener observing outcomes must not receive a mutable alias of the caller's result). Every emit is per-listener contained — a throwing subscriber is logged, never propagated, and cannot starve the listeners registered after it — mirroring `subagent/start`/`subagent/end`. +The `workflow/*` events (`workflow/start`, `workflow/phase`, `workflow/log`, `workflow/agent-start`, `workflow/agent-end`, `workflow/end` — see the [events catalog](../cordis-catalog/events.md)) are **observe-only** emits carrying DATA SNAPSHOTS: every payload starts with `WorkflowRunInfo` (id + meta), never the live `WorkflowRun`, so a subscriber cannot gain `cancel`/`dispose`, and `workflow/end` deliberately omits the result value (a listener observing outcomes must not receive a mutable alias of the caller's result). Every emit is per-listener contained — a throwing subscriber is logged, never propagated, and cannot starve the listeners registered after it — and every listener receives its own payload clone, so mutating it corrupts neither the engine nor other listeners; the containment mirrors `subagent/start`/`subagent/end`. diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 372fce8f9a..35b65e3fb2 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -24,11 +24,11 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre ### The engine (dsh-workflow-vm): in-process node:vm -**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Scripts are model-written — the same trust level as the model's existing bash access — so genuine sandboxing is not the current requirement. The interface/implementation split exists precisely so a hardened engine can swap in later. Accepted, documented limitations: vm is not a security boundary, and the vm timeout covers only the initial synchronous slice — a pathological synchronous spin after the first await cannot be killed in-process; `dispose()` cancels, waits a bounded grace, then abandons. +**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Scripts are model-written — the same trust level as the model's existing bash access — so genuine sandboxing is not the current requirement. The interface/implementation split exists precisely so a hardened engine can swap in later. Accepted, documented limitations: vm is not a security boundary, and the vm timeout covers only the initial synchronous slice — a pathological synchronous spin after the first await cannot be killed in-process; `dispose()` cancels, waits a bounded grace for the script to settle and its children to finish disposing, then abandons. **Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. -**Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm (`args`, `agent()` results) are rebuilt INSIDE the realm via the context's own `JSON.parse`, so the script never holds a live host-prototype object. Realm functions (stages, thunks) are called, never materialized. +**Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, proxies included (the trap-free `util.types.isProxy`, checked before any inspection, so realm-side traps never run on the host stack), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm (`args`, `agent()` results) are rebuilt INSIDE the realm via the context's own `JSON.parse`, and `parallel`/`pipeline` resolve to realm-built arrays, so the script never holds a live host-prototype object. Realm functions (stages, thunks) are called, never materialized. **Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. @@ -38,7 +38,7 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai ### The foundation: structured output on the subagent seam -`agent({schema})` needs `SubagentStartRequest.outputSchema` to actually work; it was vocabulary without an implementation (`outputSchema: false` everywhere). Implemented in `dsh-subagent-inprocess` for both in-process backends: a globally registered `structured_output` capture tool whose per-child schema is enforced by a `prepend: true` `agent/request` listener doing FINAL-REQUEST enforcement (post-processing `await next()` — cooperative mutation would not survive a downstream listener returning a replacement request), an `agent/turn-continuation` veto after capture (no wasted extra model step), validation-retry in-turn via `ToolArgsError`, and a clean-finish nudge loop (`structuredNudgeRetries`). Lifetime is refcounted by backends (plugin lifetime) AND live runs (start → settle). The seam's `outputSchema` type became the raw JSON-Schema SUBSET (`StructuredOutputSchema` in dsh-tools: single-string `type`, `properties`/`required`/`additionalProperties`, `items`, scalar `enum`/`const`; anything unenforced is rejected loud) — the schema travels verbatim to the model as the forced tool's parameters, so the wire format, not the author DSL, is the right vocabulary. +`agent({schema})` needs `SubagentStartRequest.outputSchema` to actually work; it was vocabulary without an implementation (`outputSchema: false` everywhere). Implemented in `dsh-subagent-inprocess` for both in-process backends: a globally registered `structured_output` capture tool whose per-child schema is enforced by a `prepend: true` `agent/request` listener doing FINAL-REQUEST enforcement (post-processing `await next()` — cooperative mutation would not survive a downstream listener returning a replacement request), a `prepend: true` `agent/turn-continuation` veto after capture (no wasted extra model step, and an earlier-registered force-continue listener cannot short-circuit it), validation-retry in-turn via `ToolArgsError`, and a clean-finish nudge loop (`structuredNudgeRetries`). Lifetime is refcounted by backends (plugin lifetime) AND live runs (start → settle). The seam's `outputSchema` type became the raw JSON-Schema SUBSET (`StructuredOutputSchema` in dsh-tools: single-string `type`, `properties`/`required`/`additionalProperties`, `items`, scalar `enum`/`const`; anything unenforced is rejected loud) — the schema travels verbatim to the model as the forced tool's parameters, so the wire format, not the author DSL, is the right vocabulary. ## What was rejected diff --git a/packages/subagent/subagent-inprocess/README.md b/packages/subagent/subagent-inprocess/README.md index 1cbdccaee6..a257582464 100644 --- a/packages/subagent/subagent-inprocess/README.md +++ b/packages/subagent/subagent-inprocess/README.md @@ -24,7 +24,7 @@ Runs a child as a child [`Agent`](../../core/agent) on the same cordis context ( The mechanism behind `outputSchema` for in-process children. One globally registered `structured_output` capture tool (its registered parameters are a placeholder) plus two listeners, registered once per root context and shared by every holder: - an `agent/request` waterfall listener registered `prepend: true` that post-processes `await next()` — **final-request enforcement**: the request that hits the wire never carries `structured_output` for an agent without a structured run, and always carries the run's OWN schema (as the tool's `parameters`) for one that has it. Per-agent shaping lives here because the tool registry and prompt assembly are context-global while schemas differ per concurrent child; cooperative mutate-then-`next()` would not survive a downstream listener returning a replacement request. -- an `agent/turn-continuation` listener that stops a child's turn once its output is captured, so a successful capture doesn't buy a wasted extra model step. +- an `agent/turn-continuation` listener (also `prepend: true` — an earlier-registered force-continue listener returning without `next()` must not decide the turn before the veto runs) that stops a child's turn once its output is captured, so a successful capture doesn't buy a wasted extra model step. The capture tool validates each call against the run's schema (`validateStructuredValue`) — violations become an `INVALID_ARGS` isError result the model retries in-turn; a valid call records the value. diff --git a/packages/subagent/subagent-inprocess/src/structured.ts b/packages/subagent/subagent-inprocess/src/structured.ts index da371ac8f4..2a061ed56d 100644 --- a/packages/subagent/subagent-inprocess/src/structured.ts +++ b/packages/subagent/subagent-inprocess/src/structured.ts @@ -18,7 +18,9 @@ * * A companion `agent/turn-continuation` listener stops a child's turn once its * output is captured — without it, the loop's default "had tool calls ⇒ - * continue" buys a wasted extra model step per structured child. + * continue" buys a wasted extra model step per structured child. It is also + * `prepend: true`: the veto must run before any earlier-registered listener + * that could short-circuit the chain into a forced continue. * * Lifetime is refcounted with two kinds of holder: each backend acquires for * its plugin lifetime (so the tool exists before any run), and each structured @@ -183,11 +185,15 @@ function registerRuntime(root: Context, runtime: StructuredRuntime): void { // Stop a structured child's turn once its output is captured: the default // "had tool calls ⇒ continue" would otherwise buy a wasted extra model step - // after every successful capture. + // after every successful capture. `prepend: true` puts the veto OUTERMOST — + // an earlier-registered listener that short-circuits the chain (a goal-style + // force-continue returning without `next()`) would otherwise decide the turn + // before this listener ever ran, and no downstream decision may resurrect a + // structured turn that is already finished. runtime.disposers.push(root.on('agent/turn-continuation', function ( this: unknown, agent: Agent, _turn: number, _decision: ContinuationDecision, next: () => Promise, ): Promise { if (runtime.states.get(agent)?.captured) return Promise.resolve({ action: 'stop' }) return next() - })) + }, { prepend: true })) } diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts index 0a92c15fa8..cb046cc469 100644 --- a/packages/subagent/subagent-inprocess/tests/structured.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts @@ -5,6 +5,7 @@ import SessionStore from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import type { Agent, ContinuationDecision } from '@deepseek-ai/dsh-agent' import AgentLoop from '@deepseek-ai/dsh-agent-loop' import * as Invariants from '@deepseek-ai/dsh-invariants' import SubagentService, { type SubagentStartRequest } from '@deepseek-ai/dsh-subagent' @@ -85,6 +86,34 @@ describe('in-process structured output', () => { await run.dispose() }) + it('the captured-turn veto is prepend: an EARLIER force-continue listener cannot short-circuit it', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + // Registered BEFORE the structured runtime exists — without prepend, this + // goal-style listener would decide the turn first (returning WITHOUT + // calling next()) and the veto would never run. + ctx.on('agent/turn-continuation', () => Promise.resolve({ action: 'continue' })) + const acquisition = acquireStructuredRuntime(ctx) + const agent = { id: AgentId('structured-child') } as unknown as Agent + acquisition.attach(agent, SCHEMA) + const captured = await ctx.tools.execute({ + callId: 'call-1' as never, + name: STRUCTURED_OUTPUT_TOOL, + arguments: { answer: 1 }, + agent, + }) + expect(captured.isError).toBeFalsy() + const decision = await ctx.waterfall( + 'agent/turn-continuation', agent, 1, + { action: 'continue' }, + () => Promise.resolve({ action: 'continue' }), + ) + expect(decision).toEqual({ action: 'stop' }) + acquisition.detach(agent) + acquisition.release() + }) + it('an invalid call gets an INVALID_ARGS isError result and the model retries in-turn', async () => { const { ctx, parent } = await setup([ toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 'not-a-number' }), diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index 1cbc76c250..0ba1173f23 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -10,11 +10,11 @@ The first [`WorkflowService`](../workflow/README.md) implementation: an in-proce ## Realm discipline -Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a descriptor walk that never invokes accessors and rejects loud everything JSON cannot carry (accessors, exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values ENTERING the realm (`args`, `agent()` results) are rebuilt INSIDE the realm through the context's own `JSON.parse`, so the script never holds an object whose prototype chain reaches host intrinsics. +Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a descriptor walk that never invokes accessors and rejects loud everything JSON cannot carry (accessors, exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`, and proxies — rejected via the trap-free `util.types.isProxy` BEFORE any inspection could run a realm-side trap on the host stack), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values ENTERING the realm (`args`, `agent()` results) are rebuilt INSIDE the realm through the context's own `JSON.parse`, and the arrays `parallel`/`pipeline` resolve to are realm-built, so the script never holds an object whose prototype chain reaches host intrinsics. ## Limits, cancellation, disposal -Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`. Once a run settles, stray children a script fired without awaiting are aborted too. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those). +Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those). **Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): vm is NOT a security boundary — scripts are model-written, the same trust level as the model's bash access — and the vm `timeout` covers only the initial synchronous slice, so a pathological synchronous spin after the first await cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). @@ -27,4 +27,4 @@ Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap | `maxTotalAgents` | `1000` | Total `agent()` calls one run may start (runaway-loop backstop). | | `maxItemsPerCall` | `4096` | Items accepted by one `parallel()`/`pipeline()` call. | | `syncTimeoutMs` | `5000` | vm timeout for the initial synchronous slice and the meta evaluation. | -| `disposeGraceMs` | `5000` | How long `dispose()` waits for a cancelled script before abandoning it. | +| `disposeGraceMs` | `5000` | How long `dispose()` waits for a cancelled script and its children before abandoning them. | diff --git a/packages/workflow/workflow-vm/src/index.ts b/packages/workflow/workflow-vm/src/index.ts index 914ebb3ba6..4f6a506329 100644 --- a/packages/workflow/workflow-vm/src/index.ts +++ b/packages/workflow/workflow-vm/src/index.ts @@ -13,10 +13,12 @@ * is correctness containment, not a sandbox. * - The vm `timeout` covers only the initial SYNCHRONOUS slice of the script; * a pathological synchronous spin after the first await cannot be killed - * in-process. `dispose()` therefore waits a bounded grace and then ABANDONS - * a stuck script: its pending hook promises are already rejected and its - * settlement is contained (no unhandled rejection), but an abandoned - * synchronous spin would still occupy the event loop. + * in-process. `dispose()` waits a bounded grace for the script to settle + * AND its children (stray `agent()` calls included) to finish disposing, + * then ABANDONS whatever is left: pending hook promises are already + * rejected and the script's settlement is contained (no unhandled + * rejection), but an abandoned synchronous spin would still occupy the + * event loop. * * Plugin export shape: a default-exported {@link WorkflowService} subclass * (the class-based service form, like `dsh-bash-local`). @@ -142,12 +144,22 @@ export class VmWorkflowEngine extends WorkflowService { execution.cancel(reason) }, dispose: (): Promise => { - // Idempotent: cancel, then wait min(settle, grace). `result` never - // rejects, so the race needs no rejection handling; an unsettled - // script past the grace is abandoned per the module contract. + // Idempotent: cancel, then wait min(settle + child quiescence, grace). + // `result` and `quiesce()` never reject, so the race needs no + // rejection handling; a script or child still unsettled past the grace + // is abandoned per the module contract. disposed ??= (async () => { execution.cancel('workflow disposed') - await Promise.race([result, sleep(this.config.disposeGraceMs)]) + await Promise.race([ + (async () => { + await result + // The result settles with the SCRIPT; stray children a script + // fired without awaiting are still winding down — dispose must + // not return while they hold live resources. + await execution.quiesce() + })(), + sleep(this.config.disposeGraceMs), + ]) })() return disposed }, diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-vm/src/realm.ts index 70745cb4f6..3bf59f2a1f 100644 --- a/packages/workflow/workflow-vm/src/realm.ts +++ b/packages/workflow/workflow-vm/src/realm.ts @@ -10,7 +10,13 @@ * host containers, rejecting loud everything JSON cannot carry: * accessor properties, non-plain prototypes, functions, symbols (keys or * values), bigints, non-finite numbers, `undefined` values, cycles, sparse - * arrays, and arrays with non-index own properties. + * arrays, arrays with non-index own properties, and proxies. Proxies are + * rejected via the trap-free native `util.types.isProxy` check BEFORE any + * other inspection — a descriptor walk over a proxy would otherwise run its + * realm-side traps (`ownKeys`, `getOwnPropertyDescriptor`, `getPrototypeOf`) + * on the host stack, outside the vm's timed window, and a throwing trap would + * escape as a raw realm error instead of a {@link MaterializeError}. The same + * check guards the PROTOTYPE position (an object whose prototype is a proxy). * * Host objects are built with `Object.defineProperty` into a fresh `{}` — * never plain `target[key] =` assignment, which a `"__proto__"` key would turn @@ -24,6 +30,8 @@ * @module @deepseek-ai/dsh-workflow-vm/realm */ +import { types } from 'node:util' + /** Thrown by {@link materializeFromRealm}; the caller wraps it into the right `WorkflowError` code. */ export class MaterializeError extends Error { constructor(public readonly path: string, public readonly reason: string) { @@ -36,11 +44,13 @@ export class MaterializeError extends Error { * Whether an object's prototype chain is data-shaped: `null`, or a prototype * whose own prototype is `null` (the realm's `Object.prototype` — which we * cannot compare by identity across realms). A `Date`/`Map`/class instance - * has a longer chain and is rejected. + * has a longer chain and is rejected, as is a proxy sitting in the prototype + * position (checked trap-free BEFORE its own prototype is dereferenced). */ function hasPlainPrototype(value: object): boolean { const proto: unknown = Object.getPrototypeOf(value) if (proto === null) return true + if (types.isProxy(proto)) return false return Object.getPrototypeOf(proto) === null } @@ -81,6 +91,11 @@ function materialize(value: unknown, path: string, seen: Set): unknown { break } if (value === null) return null + // BEFORE anything else touches the object: every inspection below — + // Array.isArray aside — can trigger a proxy trap, running realm code on the + // host stack (module doc). isProxy is a native internal-slot check (no + // traps, catches revoked proxies, realm-agnostic). + if (types.isProxy(value)) throw new MaterializeError(path, 'proxies cannot cross the workflow realm boundary') const objectValue: object = value if (seen.has(objectValue)) throw new MaterializeError(path, 'circular references are not JSON data') seen.add(objectValue) diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index 04176a11ac..6c357408a8 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -9,8 +9,11 @@ * descriptor walks; values ENTERING the realm from the host (`args`, agent() * results) are rebuilt INSIDE the realm through the context's own * `JSON.parse`, so the script never holds an object whose prototype chain - * reaches host intrinsics. Realm functions (pipeline stages, parallel thunks) - * are called, not materialized — their values stay realm-side. + * reaches host intrinsics. The arrays `parallel`/`pipeline` resolve to are + * realm-built for the same reason (their ELEMENTS are realm values already — + * only the container needs rebuilding). Realm functions (pipeline stages, + * parallel thunks) are called, not materialized — their values stay + * realm-side. * * Failure discipline: fatal {@link WorkflowError}s (bad hook arguments, * unsupported options/schemas, tripped caps, seam start failures, @@ -132,7 +135,10 @@ export class WorkflowExecution { private currentPhase: string | undefined private readonly context: vm.Context private readonly realmJsonParse: (text: string) => unknown + private readonly realmArrayFrom: (items: unknown[]) => unknown[] private readonly compiled: vm.Script + /** Every live `agent()` call promise — awaited or stray — for {@link quiesce}. */ + private readonly inFlightAgents = new Set>() constructor( private readonly ctx: Context, @@ -162,9 +168,12 @@ export class WorkflowExecution { // The realm's own JSON.parse — the host→realm rebuild channel. const realmJson = vm.runInContext('JSON', this.context) as { parse(text: string): unknown } this.realmJsonParse = (text: string) => realmJson.parse(text) + // The realm's own Array.from, bound NOW so a script reassigning its + // globals later cannot swap it: combinator results must be realm arrays. + this.realmArrayFrom = vm.runInContext('Array.from.bind(Array)', this.context) as (items: unknown[]) => unknown[] const globals: Record = { - agent: (prompt: unknown, opts?: unknown) => this.contain(this.agent(prompt, opts)), + agent: (prompt: unknown, opts?: unknown) => this.contain(this.track(this.agent(prompt, opts))), parallel: (thunks: unknown) => this.contain(this.parallel(thunks)), pipeline: (items: unknown, ...stages: unknown[]) => this.contain(this.pipeline(items, stages)), phase: (title: unknown) => { this.phase(title) }, @@ -216,8 +225,15 @@ export class WorkflowExecution { */ async drive(): Promise { try { + // Cancelled before the body ever ran (an already-aborted start signal): + // the script must not execute at all, let alone report `completed`. + if (this.isCancelled()) throw this.cancelledError() const scriptPromise = this.compiled.runInContext(this.context, { timeout: this.limits.syncTimeoutMs }) as Promise const raw: unknown = await this.contain(Promise.resolve(scriptPromise)) + // Cancelled while the body ran: a script that settled without touching + // another hook (or without any) must still report `cancelled` — the + // holder asked for cancellation and `completed` would be a lie. + if (this.isCancelled()) throw this.cancelledError() const value = raw === undefined ? null : this.materializeResult(raw) return { value, stopReason: 'completed', agentsStarted: this.started } } catch (error: unknown) { @@ -245,6 +261,31 @@ export class WorkflowExecution { return promise } + /** + * Register one `agent()` call promise for {@link quiesce} tracking; the + * entry drops when the call fully settles (which is AFTER its child's + * `dispose()` — the call wrapper disposes in its `finally`). + */ + private track(promise: Promise): Promise { + this.inFlightAgents.add(promise) + const drop = (): void => { this.inFlightAgents.delete(promise) } + promise.then(drop, drop) + return promise + } + + /** + * Settles once every `agent()` call — awaited or stray — has fully settled, + * INCLUDING each child's `dispose()`. The reap in {@link drive}'s finally + * aborts strays; this is the wait for those aborts to reach quiescence, so + * the engine's `dispose()` cannot return while a child is still winding + * down. Never rejects (the tracked promises' rejections are contained). + */ + async quiesce(): Promise { + while (this.inFlightAgents.size > 0) { + await Promise.allSettled([...this.inFlightAgents]) + } + } + private cancelledError(): WorkflowError { // cancel() arms cancelError before any caller can observe isCancelled() // === true; the fallback guards the type, not a reachable path. @@ -430,7 +471,7 @@ export class WorkflowExecution { } return thunk as () => unknown }) - return Promise.all(thunks.map(async (thunk) => { + const settled = await Promise.all(thunks.map(async (thunk) => { try { return await thunk() } catch (error: unknown) { @@ -438,6 +479,9 @@ export class WorkflowExecution { return null } })) + // The container must be a REALM array (module doc); the elements are + // realm values already. + return this.realmArrayFrom(settled) } /** The `pipeline(items, ...stages)` hook: per-item stage chains, NO cross-stage barrier. */ @@ -455,7 +499,7 @@ export class WorkflowExecution { } return stage as (previous: unknown, item: unknown, index: number) => unknown }) - return Promise.all(rawItems.map(async (item: unknown, index) => { + const settled = await Promise.all(rawItems.map(async (item: unknown, index) => { let value: unknown = item try { for (const stage of stages) { @@ -469,6 +513,9 @@ export class WorkflowExecution { return null } })) + // The container must be a REALM array (module doc); the elements are + // realm values already. + return this.realmArrayFrom(settled) } private assertItemCap(length: number, hook: string): void { diff --git a/packages/workflow/workflow-vm/tests/meta.spec.ts b/packages/workflow/workflow-vm/tests/meta.spec.ts index 4768da49ff..27d18497d0 100644 --- a/packages/workflow/workflow-vm/tests/meta.spec.ts +++ b/packages/workflow/workflow-vm/tests/meta.spec.ts @@ -108,6 +108,14 @@ return 2` expect(error.message).toContain('JSON data') }) + it('rejects a meta literal containing a proxy as META_INVALID — its traps never run', () => { + // bad() rethrows anything that is not a WorkflowError, so a trap firing + // ('trap ran') would fail this test instead of mapping to META_INVALID. + const error = bad('export const meta = { name: "x", description: "d", phases: new Proxy([], { getPrototypeOf() { throw new Error("trap ran") } }) }') + expect(error.code).toBe('META_INVALID') + expect(error.message).toContain('proxies cannot cross') + }) + it('rejects shape violations with EVERY violation listed (META_INVALID)', () => { const error = bad('export const meta = { description: 7, bogus: 1 }\nreturn 1') expect(error.code).toBe('META_INVALID') diff --git a/packages/workflow/workflow-vm/tests/realm.spec.ts b/packages/workflow/workflow-vm/tests/realm.spec.ts index f374706dba..86deb49bd3 100644 --- a/packages/workflow/workflow-vm/tests/realm.spec.ts +++ b/packages/workflow/workflow-vm/tests/realm.spec.ts @@ -81,6 +81,27 @@ describe('materializeFromRealm', () => { expect(materializeFromRealm(inRealm('Object.assign(Object.create(null), { a: 1 })'))).toEqual({ a: 1 }) }) + it('rejects proxies (root, nested, revoked, host-realm) WITHOUT running any trap', () => { + const trapped = inRealm(`new Proxy({ a: 1 }, { + ownKeys() { throw new Error('trap ran') }, + getOwnPropertyDescriptor() { throw new Error('trap ran') }, + getPrototypeOf() { throw new Error('trap ran') }, + })`) + // A trap firing would surface 'trap ran' (a non-MaterializeError) instead. + expect(rejection(trapped)).toContain('proxies cannot cross') + expect(rejection(inRealm('{ nested: new Proxy([], {}) }'))).toContain('value.nested') + const revoked = inRealm('(() => { const r = Proxy.revocable({}, {}); r.revoke(); return r.proxy })()') + expect(rejection(revoked)).toContain('proxies cannot cross') + expect(rejection(new Proxy({}, {}))).toContain('proxies cannot cross') + }) + + it('rejects an object whose PROTOTYPE is a proxy without dereferencing through it', () => { + const value = inRealm(`Object.create(new Proxy({}, { + getPrototypeOf() { throw new Error('trap ran') }, + }))`) + expect(rejection(value)).toContain('exotic prototype') + }) + it('rejects cycles and accepts the same object reused as a sibling (a DAG)', () => { expect(rejection(inRealm('(() => { const o = {}; o.self = o; return o })()'))).toContain('circular') const dag = inRealm('(() => { const leaf = { v: 1 }; return { a: leaf, b: leaf } })()') diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index 9403dc912e..30dc0e4dfa 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -36,6 +36,7 @@ class StubProvider implements SubagentProvider { constructor( readonly name: string, private readonly reply?: (request: SubagentStartRequest, index: number) => SubagentResult, + private readonly disposeDelayMs = 0, ) {} start(request: SubagentStartRequest): SubagentRun { @@ -57,8 +58,17 @@ class StubProvider implements SubagentProvider { settle({ output: [], stopReason: 'aborted' }) }, dispose: () => { - controlled.disposed = true - return Promise.resolve() + if (this.disposeDelayMs === 0) { + controlled.disposed = true + return Promise.resolve() + } + // A slow-winding child (quiescence tests): disposal completes late. + return new Promise((resolve) => { + setTimeout(() => { + controlled.disposed = true + resolve() + }, this.disposeDelayMs) + }) }, } } @@ -73,12 +83,17 @@ interface SetupOptions { config?: Config reply?: (request: SubagentStartRequest, index: number) => SubagentResult manual?: boolean + disposeDelayMs?: number } async function setup(options?: SetupOptions) { const ctx = new Context() await ctx.plugin(SubagentService) - const provider = new StubProvider('stub', options?.manual ? undefined : options?.reply ?? (() => text('stub reply'))) + const provider = new StubProvider( + 'stub', + options?.manual ? undefined : options?.reply ?? (() => text('stub reply')), + options?.disposeDelayMs ?? 0, + ) ctx.subagents.registerProvider(provider) await ctx.plugin(VmWorkflowEngine, { provider: 'stub', ...options?.config }) return { ctx, provider, parent: fakeParent() } @@ -405,6 +420,50 @@ describe('dsh-workflow-vm', () => { expect((await run(ctx, parent, script('return typeof args'))).value).toBe('undefined') }) + it('parallel/pipeline resolve to REALM arrays: instanceof holds in-script, host intrinsics stay unreachable', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + const fromParallel = await parallel([() => agent('a'), () => 'plain']) + const fromPipeline = await pipeline([1], (prev) => prev + 1) + Object.getPrototypeOf(fromParallel).polluted = 'realm-only' + return { + parallelIsRealmArray: fromParallel instanceof Array, + pipelineIsRealmArray: fromPipeline instanceof Array, + values: [fromParallel[1], fromPipeline[0]], + } + `)) + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ + parallelIsRealmArray: true, + pipelineIsRealmArray: true, + values: ['plain', 2], + }) + // The script's prototype mutation stayed realm-side: the HOST + // Array.prototype was never reachable through a combinator result. + expect(([] as unknown as Record).polluted).toBeUndefined() + }) + + it('a returned proxy is rejected as RESULT_UNSERIALIZABLE without running its traps', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + return new Proxy({ a: 1 }, { ownKeys() { throw new Error('trap ran') } }) + `)) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('not plain JSON data') + expect(result.error).toContain('proxies cannot cross') + expect(result.error).not.toContain('trap ran') + }) + + it('agent() options passed as a proxy are rejected loudly, traps never invoked', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + return await agent('p', new Proxy({}, { ownKeys() { throw new Error('trap ran') } })) + `)) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('options must be plain JSON data') + expect(result.error).not.toContain('trap ran') + }) + it('a non-JSON return value fails loud as RESULT_UNSERIALIZABLE', async () => { const { ctx, parent } = await setup() const withDate = await run(ctx, parent, script('return { when: new Date(0) }')) @@ -452,6 +511,51 @@ describe('dsh-workflow-vm', () => { await handle.dispose() }) + it('an already-aborted signal cancels a HOOK-FREE script: the body never runs at all', async () => { + const { ctx, parent } = await setup() + const controller = new AbortController() + controller.abort() + const logs: string[] = [] + ctx.on('workflow/log', (_info, message) => { logs.push(message) }) + const handle = ctx.workflows.start({ script: script("log('ran')\nreturn 123"), parent, signal: controller.signal }) + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.value).toBeNull() + expect(logs).toEqual([]) + await handle.dispose() + }) + + it('cancel() right after start() reports cancelled even when the script needed no hooks', async () => { + const { ctx, parent } = await setup() + const handle = ctx.workflows.start({ script: script('return 123'), parent }) + handle.cancel('changed my mind') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.value).toBeNull() + expect(result.error).toContain('changed my mind') + await handle.dispose() + }) + + it('an agent() call AFTER a mid-run cancel rejects at entry — no child ever starts', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + script: script(` + await agent('first') + return await agent('second') + `), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + // Same synchronous block: the first child settles completed, then the + // cancel lands BEFORE the script's continuation can call agent() again. + provider.runs[0]!.settle(text('first done')) + handle.cancel('mid-run') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(provider.runs.length).toBe(1) + await handle.dispose() + }) + it('the signal aborting mid-run cancels like cancel()', async () => { const { ctx, parent, provider } = await setup({ manual: true }) const controller = new AbortController() @@ -577,6 +681,24 @@ describe('dsh-workflow-vm', () => { }) await handle.dispose() }) + + it('dispose() waits for a stray child to FINISH disposing (quiescence), not just the script settle', async () => { + const { ctx, parent, provider } = await setup({ manual: true, disposeDelayMs: 40 }) + const handle = ctx.workflows.start({ + script: script(` + agent('stray') + return 'done without awaiting' + `), + parent, + }) + const result = await handle.result + expect(result.stopReason).toBe('completed') + expect(provider.runs.length).toBe(1) + await handle.dispose() + // Not a waitFor: by the time dispose() returns, the slow child disposal + // must already be complete. + expect(provider.runs[0]!.disposed).toBe(true) + }) }) describe('service surface', () => { @@ -595,6 +717,24 @@ describe('dsh-workflow-vm', () => { await second.dispose() }) + it('a listener mutating one event payload cannot corrupt later events (per-emission snapshots)', async () => { + const { ctx, parent } = await setup() + const ends: unknown[] = [] + let endInfo: WorkflowRunInfo | undefined + ctx.on('workflow/agent-start', (info, agent) => { + agent.seq = 999 + agent.label = 'HACKED' + info.meta.name = 'HACKED' + }) + ctx.on('workflow/agent-end', (info, agent) => { + ends.push(agent) + endInfo = info + }) + await run(ctx, parent, script("return await agent('job', { label: 'honest' })")) + expect(ends[0]).toMatchObject({ seq: 1, label: 'honest', outcome: 'completed' }) + expect(endInfo!.meta.name).toBe('test-flow') + }) + it('unregisters ctx.workflows when the engine fiber is disposed (HMR safety)', async () => { const ctx = new Context() await ctx.plugin(SubagentService) diff --git a/packages/workflow/workflow/README.md b/packages/workflow/workflow/README.md index 1dece68d38..46efa2f2d0 100644 --- a/packages/workflow/workflow/README.md +++ b/packages/workflow/workflow/README.md @@ -4,9 +4,9 @@ The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a wor ## Service: `WorkflowService` (abstract) -`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`). `dispose()` must reach quiescence within a bounded grace (cancel → wait → abandon), never hanging its caller. +`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`). `dispose()` must reach quiescence within a bounded grace (cancel → wait for the script to settle and its children to finish disposing → abandon), never hanging its caller. -The protected `emitWorkflowEvent` helper dispatches the `workflow/*` events with PER-LISTENER containment (a throwing subscriber is logged, never propagated, and cannot starve later listeners) — the same guarantee as the subagent seam's lifecycle emits. +The protected `emitWorkflowEvent` helper dispatches the `workflow/*` events with PER-LISTENER containment and PER-LISTENER payload snapshots (a throwing subscriber is logged, never propagated, and cannot starve later listeners; each subscriber gets its own clone of the payload, so mutating it corrupts neither the engine nor other listeners) — the same containment guarantee as the subagent seam's lifecycle emits. ## Vocabulary diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index ab5e056b37..5f340e2f93 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -13,8 +13,10 @@ * carry {@link WorkflowRunInfo} (id + meta), never the live {@link WorkflowRun} * — a listener must not gain `cancel`/`dispose`; control stays with the * `start()` caller holding the run. Every emit is per-listener contained (a - * throwing subscriber is logged, never propagated), so one bad observer can - * neither strand a live run nor starve later listeners. + * throwing subscriber is logged, never propagated) and every listener gets its + * own payload clone (mutating it corrupts nothing), so one bad observer can + * neither strand a live run, starve later listeners, nor poison another + * listener's view. * * @module @deepseek-ai/dsh-workflow */ @@ -182,8 +184,9 @@ export function isFatalWorkflowError(error: unknown): boolean { * snapshots, per-listener containment); `workflow/end` fires exactly once * per started run, after `result` is settled or as it settles. * - `dispose()` reaches quiescence within a bounded grace: it cancels, waits - * for the script to settle, and abandons a stuck script rather than - * hanging its caller (the engine documents what abandonment leaves behind). + * for the script to settle AND its started children to finish disposing, + * and abandons whatever is left rather than hanging its caller (the engine + * documents what abandonment leaves behind). */ export abstract class WorkflowService extends Service { constructor(ctx: Context) { @@ -199,12 +202,16 @@ export abstract class WorkflowService extends Service { abstract start(request: WorkflowStartRequest): WorkflowRun /** - * Emit one `workflow/*` lifecycle event with PER-LISTENER containment: - * dispatch each subscriber individually and log (never propagate) a thrown - * one, so one bad subscriber can neither fail the engine mid-run, surface as - * an unhandled rejection on a detached settle hook, nor starve the listeners - * registered after it (cordis `emit` halts on the first throw — same - * guarantee as the subagent seam's lifecycle emits). + * Emit one `workflow/*` lifecycle event with PER-LISTENER containment and + * PER-LISTENER payload snapshots: each subscriber is dispatched individually + * with its OWN structural clone of the payload (the payloads are plain JSON + * data by the seam contract), so a listener mutating what it received can + * corrupt neither the engine's live state nor any other listener's or later + * event's view; a thrown listener is logged (never propagated), so one bad + * subscriber can neither fail the engine mid-run, surface as an unhandled + * rejection on a detached settle hook, nor starve the listeners registered + * after it (cordis `emit` halts on the first throw — same guarantee as the + * subagent seam's lifecycle emits). * @param name - the `workflow/*` event to dispatch. * @param args - the event's payload, matching its declared signature. */ @@ -213,7 +220,7 @@ export abstract class WorkflowService extends Service { try { // The declared workflow/* signatures are all void-returning emits; the // dispatch callback applies the payload tuple. - ;(callback as (...payload: unknown[]) => void)(...args) + ;(callback as (...payload: unknown[]) => void)(...structuredClone(args)) } catch (error: unknown) { this.ctx.logger.warn(`workflow: ${name} listener threw: ${String(error)}`) } diff --git a/packages/workflow/workflow/tests/workflow.spec.ts b/packages/workflow/workflow/tests/workflow.spec.ts index a5bd8cd1ed..b303c02962 100644 --- a/packages/workflow/workflow/tests/workflow.spec.ts +++ b/packages/workflow/workflow/tests/workflow.spec.ts @@ -66,6 +66,28 @@ describe('dsh-workflow (interface)', () => { ]) }) + it('gives each listener its OWN payload snapshot: mutation corrupts neither peers nor the caller', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const seen: string[] = [] + ctx.on('workflow/agent-start', (info, agent) => { + agent.label = 'HACKED' + info.meta.name = 'HACKED' + seen.push('mutator') + }) + ctx.on('workflow/agent-start', (info, agent) => { + seen.push(`${info.meta.name}/${agent.label}`) + }) + const engine = ctx.workflows as StubEngine + const info: WorkflowRunInfo = { id: WorkflowRunId('run-2'), meta: { name: 'w', description: 'd' } } + const payload = { seq: 1, label: 'original', childId: 'c' } + engine.emit('workflow/agent-start', info, payload) + expect(seen).toEqual(['mutator', 'w/original']) + // The caller's own objects are pristine too — no listener ever saw them. + expect(info.meta.name).toBe('w') + expect(payload.label).toBe('original') + }) + it('contains a throwing listener PER LISTENER: later listeners still run, nothing propagates', async () => { const ctx = new Context() await ctx.plugin(StubEngine) From 57b9910339658b17c86eea0eb8aa2b3406fb563b Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 5 Jul 2026 19:39:19 +0800 Subject: [PATCH 11/90] workflow: total, contained rendering of hostile thrown script values MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Codex code-review round 2: errorText() read .stack/.message as plain property gets and fell back to String(error) — a script throwing a value with a throwing accessor (or toString/Symbol.toPrimitive) ran realm code in drive()'s catch and made WorkflowRun.result REJECT, which the detached workflow/end hook turned into an unhandledRejection (process death under dsh-app-boot). Replaced with describeThrown in dsh-workflow-vm/realm: total (never throws), proxy-labelling before any inspection, own-descriptor reads, String() only on primitives, and a CONTAINED stack-getter invocation — modern V8 (Node >= 22) makes stack an own ACCESSOR on genuine Errors, so refusing all accessors would lose every real stack and the lineOffset line numbers; a hostile getter's throw is swallowed and rendering falls back to message. The meta-literal eval catch had the same String(error) exposure and now uses the same renderer. Regression tests: a hostile-thrown-values table through the real engine (throwing stack/message getters, data stack, setter-only stack, proxy, Symbol.toPrimitive, function, null) asserting result resolves 'error' with the expected rendering and NO unhandledRejection fires; a meta-path hostile throw mapping to META_INVALID. --- .../feature/2026-07-05-dynamic-workflows.md | 2 +- packages/workflow/workflow-vm/README.md | 2 +- packages/workflow/workflow-vm/src/meta.ts | 7 +- packages/workflow/workflow-vm/src/realm.ts | 72 +++++++++++++++++++ packages/workflow/workflow-vm/src/runtime.ts | 22 ++---- .../workflow/workflow-vm/tests/meta.spec.ts | 7 ++ .../workflow-vm/tests/workflow-vm.spec.ts | 33 +++++++++ 7 files changed, 124 insertions(+), 21 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 35b65e3fb2..c1fbbe7427 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -30,7 +30,7 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre **Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, proxies included (the trap-free `util.types.isProxy`, checked before any inspection, so realm-side traps never run on the host stack), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm (`args`, `agent()` results) are rebuilt INSIDE the realm via the context's own `JSON.parse`, and `parallel`/`pipeline` resolve to realm-built arrays, so the script never holds a live host-prototype object. Realm functions (stages, thunks) are called, never materialized. -**Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. +**Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Thrown script values (and meta-evaluation throws) are rendered by the total `describeThrown` — fixed labels for proxies/functions, own-descriptor reads, `String()` only on primitives, and a CONTAINED stack-getter call (modern V8 makes `stack` an own accessor on real Errors; a hostile getter's throw is swallowed) — so a hostile thrown value can neither escape the catch path raw nor make `result` reject. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. ### The consumer (dsh-tool-workflow) diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index 0ba1173f23..1efe4eb5af 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -14,7 +14,7 @@ Values ENTERING the host (the meta literal, hook options/schemas, the script's r ## Limits, cancellation, disposal -Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those). +Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those), and thrown script values are rendered by the total `describeThrown` (proxy-labelling, own-descriptor reads, a contained stack-getter call), so a hostile throw (`{ get stack() { throw ... } }`) cannot make `result` reject. **Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): vm is NOT a security boundary — scripts are model-written, the same trust level as the model's bash access — and the vm `timeout` covers only the initial synchronous slice, so a pathological synchronous spin after the first await cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). diff --git a/packages/workflow/workflow-vm/src/meta.ts b/packages/workflow/workflow-vm/src/meta.ts index bb97ad7d39..edf95eb22c 100644 --- a/packages/workflow/workflow-vm/src/meta.ts +++ b/packages/workflow/workflow-vm/src/meta.ts @@ -20,7 +20,7 @@ import * as vm from 'node:vm' import { WorkflowError } from '@deepseek-ai/dsh-workflow' import type { WorkflowMeta, WorkflowPhase } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError } from './realm.ts' +import { materializeFromRealm, MaterializeError, describeThrown } from './realm.ts' /** The result of {@link extractMeta}: the validated meta and the runnable body. */ export interface ExtractedScript { @@ -174,7 +174,10 @@ export function extractMeta(script: string, evalTimeoutMs: number): ExtractedScr // below are part of the same boundary. evaluated = vm.runInNewContext(`(${literal})`, undefined, { timeout: evalTimeoutMs }) } catch (error: unknown) { - throw new WorkflowError(`meta block failed to evaluate as a pure literal: ${String(error)}`, 'META_INVALID', { cause: error }) + // describeThrown, not String(): an expression in the literal can THROW a + // hostile value (a throwing toString/accessor), and this catch must map + // it to META_INVALID rather than let realm code run or a raw error escape. + throw new WorkflowError(`meta block failed to evaluate as a pure literal: ${describeThrown(error)}`, 'META_INVALID', { cause: error }) } let data: unknown try { diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-vm/src/realm.ts index 3bf59f2a1f..b1389a999c 100644 --- a/packages/workflow/workflow-vm/src/realm.ts +++ b/packages/workflow/workflow-vm/src/realm.ts @@ -27,6 +27,11 @@ * chain, so the engine rebuilds inbound values INSIDE the realm via the * context's own `JSON.parse` (see the runtime). * + * {@link describeThrown} is the same discipline for the one place realm + * values reach the host WITHOUT materialization: rendering a thrown value + * for a failure report. It never throws; the only realm code it can invoke + * is a stack getter, contained (see its doc). + * * @module @deepseek-ai/dsh-workflow-vm/realm */ @@ -40,6 +45,73 @@ export class MaterializeError extends Error { } } +/** + * Render a value THROWN by realm code (a script failure, a meta-literal + * evaluation failure) as text, without ever throwing itself — the callers sit + * in catch blocks whose totality is a seam contract (`WorkflowRun.result` + * never rejects). Plain property reads and `String(value)` are hostile-value + * hazards (`{ get stack() { throw ... } }`, a throwing + * `toString`/`Symbol.toPrimitive`), so: proxies render as a fixed label + * (trap-free `isProxy`, before any inspection); `message` is read as an OWN + * DATA descriptor only; everything else object-shaped renders as + * `[object Object]` without being touched; only primitives (which cannot + * carry code) reach `String()`. The one exception is the `stack` getter — + * modern V8 makes `stack` an own ACCESSOR on genuine `Error`s, so it is + * invoked (that is how real stacks, with the script's own line numbers via + * the compile lineOffset, are obtained) but CONTAINED: a hostile getter's + * throw is swallowed and rendering falls back to message. Detection is + * structural, not `instanceof` — a realm Error is not an instance of the host + * class. + * @param error - the thrown value, of any shape and any realm. + * @returns human-readable text for the failure report; prefers the stack. + */ +export function describeThrown(error: unknown): string { + switch (typeof error) { + case 'object': + break + case 'function': + return '[thrown function]' + default: + // Primitives (string/number/boolean/bigint/symbol/undefined): String() + // cannot reach user code on these. + return String(error) + } + if (error === null) return 'null' + if (types.isProxy(error)) return '[thrown proxy]' + const stack = readStack(error) + if (typeof stack === 'string' && stack.length > 0) return stack + const message = ownDataProperty(error, 'message') + if (typeof message === 'string') return message + return '[object Object]' +} + +/** + * Read `error.stack`, tolerating both descriptor shapes: an own DATA property + * (older V8, plain objects) and the modern own ACCESSOR pair (the Error Stack + * Accessor proposal). Invoking the getter is the only way to obtain a real + * stack; on a hostile object that getter is user code, so the call is + * contained — a throw yields `undefined` (the caller falls back to message), + * and a synchronous spin is the engine's already-accepted post-await + * limitation (a script can spin directly just the same). + */ +function readStack(error: object): unknown { + const descriptor = Object.getOwnPropertyDescriptor(error, 'stack') + if (descriptor === undefined) return undefined + if ('value' in descriptor) return descriptor.value + if (typeof descriptor.get !== 'function') return undefined + try { + return descriptor.get.call(error) + } catch { + return undefined // a hostile stack getter threw; message/fallback renders instead + } +} + +/** An own DATA property's value (`undefined` for absent or accessor); never invokes user code on a non-proxy object. */ +function ownDataProperty(value: object, key: string): unknown { + const descriptor = Object.getOwnPropertyDescriptor(value, key) + return descriptor !== undefined && 'value' in descriptor ? descriptor.value : undefined +} + /** * Whether an object's prototype chain is data-shaped: `null`, or a prototype * whose own prototype is `null` (the realm's `Object.prototype` — which we diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index 6c357408a8..c108d2cf69 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -41,7 +41,7 @@ import type { WorkflowMeta, WorkflowResult, } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError } from './realm.ts' +import { materializeFromRealm, MaterializeError, describeThrown } from './realm.ts' /** The per-run knobs the engine resolves from its Config. */ export interface ExecutionLimits { @@ -97,21 +97,6 @@ function outputText(blocks: ContentBlock[]): string { .join('') } -/** - * Render a script failure for the result: prefer the stack (it carries the - * script's own line numbers via the compile lineOffset), then the message. - * STRUCTURAL detection, not `instanceof Error` — a realm-thrown Error is not - * an instance of the host Error class. - */ -function errorText(error: unknown): string { - if (typeof error === 'object' && error !== null) { - const maybe = error as { stack?: unknown; message?: unknown } - if (typeof maybe.stack === 'string' && maybe.stack.length > 0) return maybe.stack - if (typeof maybe.message === 'string') return maybe.message - } - return String(error) -} - /** A short display label derived from the prompt when the script passes none. */ function defaultLabel(prompt: string): string { const newline = prompt.indexOf('\n') @@ -240,7 +225,10 @@ export class WorkflowExecution { if (error instanceof WorkflowError && error.code === 'CANCELLED') { return { value: null, stopReason: 'cancelled', error: error.message, agentsStarted: this.started } } - return { value: null, stopReason: 'error', error: errorText(error), agentsStarted: this.started } + // describeThrown is total and trap-free: a hostile thrown value (a + // throwing accessor, a proxy) cannot make this catch throw — drive() + // resolving is the `result` never-rejects seam contract. + return { value: null, stopReason: 'error', error: describeThrown(error), agentsStarted: this.started } } finally { // Reap strays: a script that fired agent() calls without awaiting them // leaves live children behind after settlement — abort them all. (The diff --git a/packages/workflow/workflow-vm/tests/meta.spec.ts b/packages/workflow/workflow-vm/tests/meta.spec.ts index 27d18497d0..7b5a929046 100644 --- a/packages/workflow/workflow-vm/tests/meta.spec.ts +++ b/packages/workflow/workflow-vm/tests/meta.spec.ts @@ -116,6 +116,13 @@ return 2` expect(error.message).toContain('proxies cannot cross') }) + it('a meta expression THROWING a hostile value maps to META_INVALID — rendering runs no realm code', () => { + const error = bad('export const meta = { name: (() => { throw { get stack() { throw new Error("boom") }, toString() { throw new Error("boom") } } })(), description: "d" }\nreturn 1') + expect(error.code).toBe('META_INVALID') + expect(error.message).toContain('pure literal') + expect(error.message).toContain('[object Object]') + }) + it('rejects shape violations with EVERY violation listed (META_INVALID)', () => { const error = bad('export const meta = { description: 7, bogus: 1 }\nreturn 1') expect(error.code).toBe('META_INVALID') diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index 30dc0e4dfa..e0518c8192 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -589,6 +589,39 @@ describe('dsh-workflow-vm', () => { expect(result.error).toBe('[object Object]') }) + it('hostile thrown values render contained: result NEVER rejects, no unhandled rejection', async () => { + const unhandled: unknown[] = [] + const onUnhandled = (reason: unknown): void => { unhandled.push(reason) } + process.on('unhandledRejection', onUnhandled) + try { + const { ctx, parent } = await setup() + // Each thrown value would run realm code (or throw) under a plain + // property read or String(); rendering must stay total — the only + // permitted realm call is the CONTAINED stack getter. + const cases: [string, string][] = [ + ["throw { get stack() { throw new Error('stack getter threw') } }", '[object Object]'], + ["throw { get stack() { throw new Error('x') }, message: 'getter threw, message renders' }", 'getter threw, message renders'], + ["throw { get message() { throw new Error('message getter ran') } }", '[object Object]'], + ["throw { stack: 'custom data stack' }", 'custom data stack'], + ["throw (() => { const o = { message: 'setter-only stack' }; Object.defineProperty(o, 'stack', { set() {} }); return o })()", 'setter-only stack'], + ["throw new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('trap ran') } })", '[thrown proxy]'], + ["throw { [Symbol.toPrimitive]() { throw new Error('toPrimitive ran') } }", '[object Object]'], + ['throw () => 1', '[thrown function]'], + ['throw null', 'null'], + ] + for (const [body, rendered] of cases) { + const result = await run(ctx, parent, script(body)) + expect(result.stopReason).toBe('error') + expect(result.error).toBe(rendered) + } + // Let any stray rejection reach the process hook before asserting. + await new Promise(resolve => setTimeout(resolve, 20)) + expect(unhandled).toEqual([]) + } finally { + process.off('unhandledRejection', onUnhandled) + } + }) + it('falls back to the message for an Error whose stack was stripped', async () => { const { ctx, parent } = await setup() const result = await run(ctx, parent, script(` From fff2e1f33ddf97e45fd868885d990f604476dbe4 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 5 Jul 2026 20:32:35 +0800 Subject: [PATCH 12/90] workflow: render thrown script values inside the realm's execution window MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Codex code-review round 3: the round-2 'contained stack getter' still let a script escape the vm sync-slice timeout — throw { get stack() { while(true){} } } put the spin on the HOST catch path, where no timeout applies (verified: a direct sync-slice spin dies by the timeout; the getter-hidden one hung the process). Identity-trusting the native getter is also insufficient: V8 stack formatting reads script-controllable hooks at format time (Error.prepareStackTrace, a subclass name getter — both empirically confirmed), so ANY host-side formatting of a realm error can run realm code. The fix moves rendering into the realm itself: the compiled body (and the meta literal) is wrapped in a realm-side catch that pre-renders the thrown value to a string (REALM_THROWN_RENDERER_SOURCE) — a hostile accessor/toString now runs as ordinary script code, killed by the sync-slice timeout or falling under the documented post-await spin limitation; host WorkflowErrors pass through for the CANCELLED mapping. The host catch descriptor-reads the pre-rendered string (thrownRendering) or falls back to describeThrown, which invokes no getter whose identity is not the host realm's own native stack getter. Tests: hostile-table expectations updated for realm-side rendering; new regressions for the getter-hidden sync spin dying by the vm timeout (engine + meta paths) and for a hostile thenable rejection that bypasses the realm wrapper (renders host-side, proxy labelled, traps never run); describeThrown/ thrownRendering unit tables including the realm-error identity-mismatch case. --- .../feature/2026-07-05-dynamic-workflows.md | 2 +- packages/workflow/workflow-vm/README.md | 2 +- packages/workflow/workflow-vm/src/meta.ts | 22 ++-- packages/workflow/workflow-vm/src/realm.ts | 108 ++++++++++++------ packages/workflow/workflow-vm/src/runtime.ts | 27 +++-- .../workflow/workflow-vm/tests/meta.spec.ts | 17 ++- .../workflow/workflow-vm/tests/realm.spec.ts | 45 +++++++- .../workflow-vm/tests/workflow-vm.spec.ts | 37 ++++-- 8 files changed, 199 insertions(+), 61 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index c1fbbe7427..6f8678ecea 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -30,7 +30,7 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre **Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, proxies included (the trap-free `util.types.isProxy`, checked before any inspection, so realm-side traps never run on the host stack), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm (`args`, `agent()` results) are rebuilt INSIDE the realm via the context's own `JSON.parse`, and `parallel`/`pipeline` resolve to realm-built arrays, so the script never holds a live host-prototype object. Realm functions (stages, thunks) are called, never materialized. -**Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Thrown script values (and meta-evaluation throws) are rendered by the total `describeThrown` — fixed labels for proxies/functions, own-descriptor reads, `String()` only on primitives, and a CONTAINED stack-getter call (modern V8 makes `stack` an own accessor on real Errors; a hostile getter's throw is swallowed) — so a hostile thrown value can neither escape the catch path raw nor make `result` reject. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. +**Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Thrown script/meta values are pre-rendered to a string by a realm-side catch compiled into the wrapper (rendering runs inside the realm's own execution window, so a hostile `stack` getter dies by the vm sync-slice timeout like any other script code — host-side formatting of realm errors is unfixable in general, since V8 stack formatting invokes script-controllable `name`/`prepareStackTrace` hooks); the host catch descriptor-reads that string or falls back to `describeThrown` (fixed labels, own-data reads, an identity-verified host-native stack getter), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. ### The consumer (dsh-tool-workflow) diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index 1efe4eb5af..e519ce7c0e 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -14,7 +14,7 @@ Values ENTERING the host (the meta literal, hook options/schemas, the script's r ## Limits, cancellation, disposal -Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those), and thrown script values are rendered by the total `describeThrown` (proxy-labelling, own-descriptor reads, a contained stack-getter call), so a hostile throw (`{ get stack() { throw ... } }`) cannot make `result` reject. +Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those). Thrown script values are pre-rendered to a string INSIDE the realm's execution window (the body is compiled into a realm-side catch), so a hostile `stack` getter is subject to the vm sync-slice timeout like any other script code; the host catch only descriptor-reads that string, falling back to `describeThrown` (fixed labels, own-data reads, an identity-verified host-native stack getter) — `result` cannot reject. **Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): vm is NOT a security boundary — scripts are model-written, the same trust level as the model's bash access — and the vm `timeout` covers only the initial synchronous slice, so a pathological synchronous spin after the first await cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). diff --git a/packages/workflow/workflow-vm/src/meta.ts b/packages/workflow/workflow-vm/src/meta.ts index edf95eb22c..bcb891e85e 100644 --- a/packages/workflow/workflow-vm/src/meta.ts +++ b/packages/workflow/workflow-vm/src/meta.ts @@ -20,7 +20,7 @@ import * as vm from 'node:vm' import { WorkflowError } from '@deepseek-ai/dsh-workflow' import type { WorkflowMeta, WorkflowPhase } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError, describeThrown } from './realm.ts' +import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering, REALM_THROWN_RENDERER_SOURCE } from './realm.ts' /** The result of {@link extractMeta}: the validated meta and the runnable body. */ export interface ExtractedScript { @@ -171,13 +171,21 @@ export function extractMeta(script: string, evalTimeoutMs: number): ExtractedScr // An EMPTY context: any non-literal reference (a variable, a call) throws // here. The result — data only — is what the contract checks; a getter or // IIFE can still run, which is why the timeout and the materialization - // below are part of the same boundary. - evaluated = vm.runInNewContext(`(${literal})`, undefined, { timeout: evalTimeoutMs }) + // below are part of the same boundary. A thrown value is pre-rendered by + // the realm-side catch INSIDE the timed window, so a hostile + // stack/message/toString can neither run on the host catch path nor + // outlive the timeout. + evaluated = vm.runInNewContext( + `(() => { try { return (${literal}) } catch (e) { throw (${REALM_THROWN_RENDERER_SOURCE})(e) } })()`, + undefined, + { timeout: evalTimeoutMs }, + ) } catch (error: unknown) { - // describeThrown, not String(): an expression in the literal can THROW a - // hostile value (a throwing toString/accessor), and this catch must map - // it to META_INVALID rather than let realm code run or a raw error escape. - throw new WorkflowError(`meta block failed to evaluate as a pure literal: ${describeThrown(error)}`, 'META_INVALID', { cause: error }) + throw new WorkflowError( + `meta block failed to evaluate as a pure literal: ${thrownRendering(error) ?? describeThrown(error)}`, + 'META_INVALID', + { cause: error }, + ) } let data: unknown try { diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-vm/src/realm.ts index b1389a999c..fca93caac4 100644 --- a/packages/workflow/workflow-vm/src/realm.ts +++ b/packages/workflow/workflow-vm/src/realm.ts @@ -27,10 +27,16 @@ * chain, so the engine rebuilds inbound values INSIDE the realm via the * context's own `JSON.parse` (see the runtime). * - * {@link describeThrown} is the same discipline for the one place realm - * values reach the host WITHOUT materialization: rendering a thrown value - * for a failure report. It never throws; the only realm code it can invoke - * is a stack getter, contained (see its doc). + * {@link REALM_THROWN_RENDERER_SOURCE}, {@link thrownRendering}, and + * {@link describeThrown} are the same discipline for the one place realm + * values reach the host WITHOUT materialization: a thrown value crossing into + * a host catch block. The renderer runs INSIDE the realm's own execution + * window (compiled into the script wrapper), so reading a hostile + * accessor/`toString` there is subject to the vm sync-slice timeout exactly + * like any other script code; the host side only descriptor-reads the + * pre-rendered string, or falls back to {@link describeThrown}, which invokes + * no getter whose function identity is not the host realm's own native stack + * getter. * * @module @deepseek-ai/dsh-workflow-vm/realm */ @@ -46,22 +52,66 @@ export class MaterializeError extends Error { } /** - * Render a value THROWN by realm code (a script failure, a meta-literal - * evaluation failure) as text, without ever throwing itself — the callers sit - * in catch blocks whose totality is a seam contract (`WorkflowRun.result` - * never rejects). Plain property reads and `String(value)` are hostile-value - * hazards (`{ get stack() { throw ... } }`, a throwing - * `toString`/`Symbol.toPrimitive`), so: proxies render as a fixed label - * (trap-free `isProxy`, before any inspection); `message` is read as an OWN - * DATA descriptor only; everything else object-shaped renders as - * `[object Object]` without being touched; only primitives (which cannot - * carry code) reach `String()`. The one exception is the `stack` getter — - * modern V8 makes `stack` an own ACCESSOR on genuine `Error`s, so it is - * invoked (that is how real stacks, with the script's own line numbers via - * the compile lineOffset, are obtained) but CONTAINED: a hostile getter's - * throw is swallowed and rendering falls back to message. Detection is - * structural, not `instanceof` — a realm Error is not an instance of the host - * class. + * Realm-SOURCE text (an arrow-function expression) the engine compiles into + * its script wrappers: `throw (RENDERER)(e)` inside a catch around the whole + * body/literal. It renders the thrown value to a string INSIDE the realm's + * own execution window — a hostile `stack`/`message` accessor or `toString` + * invoked here is subject to the vm sync-slice timeout like any other script + * code (and post-await it is the engine's accepted spin limitation, identical + * to a script reading `e.stack` in its own catch). Host `WorkflowError`s + * thrown by hooks pass through unwrapped (duck-checked by name — a realm + * forgery fails the host's `instanceof` and merely renders data-only); + * everything else becomes `{ __wfThrown: }`, whose only consumer is + * {@link thrownRendering}. Every read is individually contained, so the + * renderer itself never throws. + */ +export const REALM_THROWN_RENDERER_SOURCE = `(e) => { + try { if (e && e.name === 'WorkflowError') return e } catch { /* hostile name getter: fall through to rendering */ } + const rendered = (() => { + try { if (e && typeof e.stack === 'string' && e.stack.length > 0) return e.stack } catch { /* hostile stack getter */ } + try { if (e && typeof e.message === 'string') return e.message } catch { /* hostile message getter */ } + try { return String(e) } catch { /* hostile toString/Symbol.toPrimitive */ } + return '[unrenderable thrown value]' + })() + return { __wfThrown: rendered } +}` + +/** + * The pre-rendered failure text carried by a realm-catch wrapper object + * (`{ __wfThrown: string }` from {@link REALM_THROWN_RENDERER_SOURCE}), or + * `undefined` when `error` is not such a wrapper. Descriptor-read and + * proxy-guarded: never invokes user code. + * @param error - the value a host catch received from script execution. + * @returns the realm-rendered string, or `undefined` to fall back to + * {@link describeThrown}. + */ +export function thrownRendering(error: unknown): string | undefined { + if (typeof error !== 'object' || error === null || types.isProxy(error)) return undefined + const value = ownDataProperty(error, '__wfThrown') + return typeof value === 'string' ? value : undefined +} + +/** + * The host realm's own native `stack` getter (modern V8 makes `stack` an own + * ACCESSOR on Errors); `undefined` where it is a data property. Typed through + * a structural view of the descriptor — it is only ever identity-compared or + * `.call`ed on an explicit receiver, never invoked unbound. + */ +const HOST_STACK_GETTER: unknown = (Object.getOwnPropertyDescriptor(new Error(), 'stack') as { get?: unknown } | undefined)?.get + +/** + * Render a thrown value HOST-SIDE without ever throwing and without running + * any code the host does not own: proxies become a fixed label (trap-free + * `isProxy` before any inspection); `stack` is read as an own data descriptor, + * or through its getter ONLY when that getter's function identity is the host + * realm's own native stack getter (an unforgeable check — realm code cannot + * hold that identity, and the host realm's `prepareStackTrace` is the host's + * own trust domain); `message` is an own-data read; anything else + * object-shaped renders as `[object Object]` untouched; only primitives + * (which cannot carry code) reach `String()`. Used for host-thrown errors + * (vm timeouts, `WorkflowError`s) and as the fallback for adversarial values + * that bypassed the realm-side renderer (e.g. a hostile thenable rejection); + * ordinary script failures arrive pre-rendered via {@link thrownRendering}. * @param error - the thrown value, of any shape and any realm. * @returns human-readable text for the failure report; prefers the stack. */ @@ -86,24 +136,18 @@ export function describeThrown(error: unknown): string { } /** - * Read `error.stack`, tolerating both descriptor shapes: an own DATA property - * (older V8, plain objects) and the modern own ACCESSOR pair (the Error Stack - * Accessor proposal). Invoking the getter is the only way to obtain a real - * stack; on a hostile object that getter is user code, so the call is - * contained — a throw yields `undefined` (the caller falls back to message), - * and a synchronous spin is the engine's already-accepted post-await - * limitation (a script can spin directly just the same). + * Read `error.stack` without running foreign code: an own DATA descriptor is + * read directly; an accessor is invoked only on function identity with + * {@link HOST_STACK_GETTER} (never a realm or user function). The native + * getter returns `undefined` on a non-Error receiver rather than throwing. */ function readStack(error: object): unknown { const descriptor = Object.getOwnPropertyDescriptor(error, 'stack') if (descriptor === undefined) return undefined if ('value' in descriptor) return descriptor.value if (typeof descriptor.get !== 'function') return undefined - try { - return descriptor.get.call(error) - } catch { - return undefined // a hostile stack getter threw; message/fallback renders instead - } + if (descriptor.get !== HOST_STACK_GETTER) return undefined + return descriptor.get.call(error) } /** An own DATA property's value (`undefined` for absent or accessor); never invokes user code on a non-proxy object. */ diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index c108d2cf69..892b7c781d 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -41,7 +41,7 @@ import type { WorkflowMeta, WorkflowResult, } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError, describeThrown } from './realm.ts' +import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering, REALM_THROWN_RENDERER_SOURCE } from './realm.ts' /** The per-run knobs the engine resolves from its Config. */ export interface ExecutionLimits { @@ -137,13 +137,19 @@ export class WorkflowExecution { ) { // Compile FIRST: a body syntax error must throw out of the constructor // (the engine maps it to SCRIPT_PARSE) before any realm state exists. + // The body is wrapped in a realm-side catch that pre-renders any thrown + // value to a string (see REALM_THROWN_RENDERER_SOURCE) — rendering happens + // inside the realm's own execution window, never on a host catch path. // lineOffset compensates for the wrapper line, so stack traces carry the // script's own line numbers (the meta statement was blanked, not removed). try { - this.compiled = new vm.Script(`(async () => {\n${body}\n})()`, { - filename: `workflow:${meta.name}`, - lineOffset: -1, - }) + this.compiled = new vm.Script( + `(async () => { try {\n${body}\n} catch (e) { throw (${REALM_THROWN_RENDERER_SOURCE})(e) } })()`, + { + filename: `workflow:${meta.name}`, + lineOffset: -1, + }, + ) } catch (error: unknown) { throw new WorkflowError(`workflow script does not parse: ${String(error)}`, 'SCRIPT_PARSE', { cause: error }) } @@ -225,10 +231,13 @@ export class WorkflowExecution { if (error instanceof WorkflowError && error.code === 'CANCELLED') { return { value: null, stopReason: 'cancelled', error: error.message, agentsStarted: this.started } } - // describeThrown is total and trap-free: a hostile thrown value (a - // throwing accessor, a proxy) cannot make this catch throw — drive() - // resolving is the `result` never-rejects seam contract. - return { value: null, stopReason: 'error', error: describeThrown(error), agentsStarted: this.started } + // Ordinary script failures arrive pre-rendered by the realm-side catch + // (thrownRendering); host-thrown errors (a vm timeout, a WorkflowError) + // and adversarial values that bypassed the wrapper (e.g. a hostile + // thenable rejection) render via the total, host-code-only + // describeThrown. Neither path can throw — drive() resolving is the + // `result` never-rejects seam contract. + return { value: null, stopReason: 'error', error: thrownRendering(error) ?? describeThrown(error), agentsStarted: this.started } } finally { // Reap strays: a script that fired agent() calls without awaiting them // leaves live children behind after settlement — abort them all. (The diff --git a/packages/workflow/workflow-vm/tests/meta.spec.ts b/packages/workflow/workflow-vm/tests/meta.spec.ts index 7b5a929046..a957b0ae05 100644 --- a/packages/workflow/workflow-vm/tests/meta.spec.ts +++ b/packages/workflow/workflow-vm/tests/meta.spec.ts @@ -116,11 +116,24 @@ return 2` expect(error.message).toContain('proxies cannot cross') }) - it('a meta expression THROWING a hostile value maps to META_INVALID — rendering runs no realm code', () => { + it('a meta expression THROWING a hostile value maps to META_INVALID — rendering stays realm-side', () => { + // bad() rethrows anything that is not a WorkflowError, so a hostile value + // escaping the realm-side renderer raw would fail this test. const error = bad('export const meta = { name: (() => { throw { get stack() { throw new Error("boom") }, toString() { throw new Error("boom") } } })(), description: "d" }\nreturn 1') expect(error.code).toBe('META_INVALID') expect(error.message).toContain('pure literal') - expect(error.message).toContain('[object Object]') + expect(error.message).toContain('[unrenderable thrown value]') + }) + + it('a spinning meta expression (even inside a thrown stack getter) dies by the eval timeout', () => { + try { + extractMeta('export const meta = { name: (() => { while (true) {} })(), description: "d" }', 50) + throw new Error('expected the extraction to time out') + } catch (error: unknown) { + expect(error).toBeInstanceOf(WorkflowError) + expect((error as WorkflowError).code).toBe('META_INVALID') + expect((error as WorkflowError).message.toLowerCase()).toContain('timed out') + } }) it('rejects shape violations with EVERY violation listed (META_INVALID)', () => { diff --git a/packages/workflow/workflow-vm/tests/realm.spec.ts b/packages/workflow/workflow-vm/tests/realm.spec.ts index 86deb49bd3..c1bdeb33d6 100644 --- a/packages/workflow/workflow-vm/tests/realm.spec.ts +++ b/packages/workflow/workflow-vm/tests/realm.spec.ts @@ -1,6 +1,6 @@ import { describe, expect, it } from 'vitest' import * as vm from 'node:vm' -import { materializeFromRealm, MaterializeError } from '../src/realm.ts' +import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering } from '../src/realm.ts' /** Evaluate an expression inside a fresh vm realm and hand back the raw realm value. */ function inRealm(expression: string): unknown { @@ -133,3 +133,46 @@ describe('materializeFromRealm', () => { expect(materializeFromRealm(null)).toBeNull() }) }) + +describe('describeThrown (host-side thrown-value rendering)', () => { + it('renders a HOST Error via its identity-verified native stack getter', () => { + const error = new Error('host failure') + const rendered = describeThrown(error) + expect(rendered).toContain('host failure') + expect(rendered).toContain('at ') // a real stack, not just the message + }) + + it('never invokes a REALM error stack getter (identity mismatch) — message renders instead', () => { + const realmError: unknown = vm.runInNewContext('(() => { try { throw new Error("realm failure") } catch (e) { return e } })()') + expect(describeThrown(realmError)).toBe('realm failure') + }) + + it('reads a data-property stack directly and falls through a setter-only accessor', () => { + expect(describeThrown({ stack: 'data stack' })).toBe('data stack') + const setterOnly = { message: 'via message' } + Object.defineProperty(setterOnly, 'stack', { set() { /* swallow */ } }) + expect(describeThrown(setterOnly)).toBe('via message') + }) + + it('labels proxies and functions without touching them; primitives stringify', () => { + expect(describeThrown(new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('trap ran') } }))).toBe('[thrown proxy]') + expect(describeThrown(() => 1)).toBe('[thrown function]') + expect(describeThrown('plain')).toBe('plain') + expect(describeThrown(42)).toBe('42') + expect(describeThrown(undefined)).toBe('undefined') + expect(describeThrown(null)).toBe('null') + expect(describeThrown({ code: 42 })).toBe('[object Object]') + }) +}) + +describe('thrownRendering (the realm-catch wrapper reader)', () => { + it('extracts the pre-rendered string from a wrapper and nothing else', () => { + expect(thrownRendering({ __wfThrown: 'rendered text' })).toBe('rendered text') + expect(thrownRendering({ __wfThrown: 42 })).toBeUndefined() + expect(thrownRendering({ other: 'x' })).toBeUndefined() + expect(thrownRendering(new Error('plain'))).toBeUndefined() + expect(thrownRendering('string')).toBeUndefined() + expect(thrownRendering(null)).toBeUndefined() + expect(thrownRendering(new Proxy({ __wfThrown: 'forged' }, { getOwnPropertyDescriptor() { throw new Error('trap ran') } }))).toBeUndefined() + }) +}) diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index e0518c8192..00a9438575 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -589,24 +589,24 @@ describe('dsh-workflow-vm', () => { expect(result.error).toBe('[object Object]') }) - it('hostile thrown values render contained: result NEVER rejects, no unhandled rejection', async () => { + it('hostile thrown values render realm-side: result NEVER rejects, no unhandled rejection', async () => { const unhandled: unknown[] = [] const onUnhandled = (reason: unknown): void => { unhandled.push(reason) } process.on('unhandledRejection', onUnhandled) try { const { ctx, parent } = await setup() - // Each thrown value would run realm code (or throw) under a plain - // property read or String(); rendering must stay total — the only - // permitted realm call is the CONTAINED stack getter. + // Each thrown value runs code (or throws) when rendered — the realm + // wrapper renders it INSIDE script execution, and the host catch only + // ever descriptor-reads the pre-rendered string. const cases: [string, string][] = [ ["throw { get stack() { throw new Error('stack getter threw') } }", '[object Object]'], ["throw { get stack() { throw new Error('x') }, message: 'getter threw, message renders' }", 'getter threw, message renders'], - ["throw { get message() { throw new Error('message getter ran') } }", '[object Object]'], + ["throw { get message() { throw new Error('message getter threw') } }", '[object Object]'], ["throw { stack: 'custom data stack' }", 'custom data stack'], ["throw (() => { const o = { message: 'setter-only stack' }; Object.defineProperty(o, 'stack', { set() {} }); return o })()", 'setter-only stack'], - ["throw new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('trap ran') } })", '[thrown proxy]'], - ["throw { [Symbol.toPrimitive]() { throw new Error('toPrimitive ran') } }", '[object Object]'], - ['throw () => 1', '[thrown function]'], + ["throw new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('gopd trap threw') } })", '[object Object]'], + ["throw { [Symbol.toPrimitive]() { throw new Error('toPrimitive threw') } }", '[unrenderable thrown value]'], + ['throw () => 1', '() => 1'], ['throw null', 'null'], ] for (const [body, rendered] of cases) { @@ -622,6 +622,27 @@ describe('dsh-workflow-vm', () => { } }) + it('a synchronous spin hidden in a thrown stack getter dies by the vm timeout, not on the host', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', syncTimeoutMs: 50 } }) + // The realm-side renderer reads e.stack INSIDE the timed sync slice, so + // the spin is killed exactly like a plain `while (true) {}` body. + const result = await run(ctx, parent, script('throw { get stack() { while (true) {} } }')) + expect(result.stopReason).toBe('error') + expect(result.error?.toLowerCase()).toContain('timed out') + }) + + it('a hostile thenable rejection that bypasses the realm wrapper renders host-side, data-only', async () => { + const { ctx, parent } = await setup() + // Returning a thenable makes the host unwrap it AFTER the script + // settled — its rejection value skips the realm catch entirely and hits + // drive()'s catch raw. The proxy must be labelled, its traps never run. + const result = await run(ctx, parent, script(` + return { then(_resolve, reject) { reject(new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('trap ran') } })) } } + `)) + expect(result.stopReason).toBe('error') + expect(result.error).toBe('[thrown proxy]') + }) + it('falls back to the message for an Error whose stack was stripped', async () => { const { ctx, parent } = await setup() const result = await run(ctx, parent, script(` From 95c8c878e1e967b9be6e306593d845e21e6ed30e Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 5 Jul 2026 20:57:51 +0800 Subject: [PATCH 13/90] workflow: pin thenable-return semantics as documented async-JS behavior MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Codex code-review round 4 flagged the return channel: an async IIFE Promise-assimilates a returned thenable, so its then() runs past the sync slice and the RESOLUTION replaces the raw object. Verified against the real engine and judged behavior, not defect: - Assimilation is standard JavaScript (an async function's returned thenable resolves before the caller sees it) and is load-bearing ergonomics: an un-awaited 'return agent(...)' / 'return parallel(...)' resolves to the intended value precisely because of it. Rejecting callable-then returns would break that; intercepting pre-assimilation is spec-impossible (the Get(v,'then') and job enqueue are internal to promise resolution). - The realm-boundary guard applies to the RESOLUTION (a thenable resolving to non-JSON is still RESULT_UNSERIALIZABLE), so nothing crosses unmaterialized. - A spin inside a returned thenable's then() is the same accepted class as any post-slice spin (it runs on the microtask queue, past the vm timeout's reach); the docs previously said 'after the first await', which was too narrow — reworded to 'past the initial synchronous slice (an await continuation, or a thenable's then invoked by promise resolution)'. Pinned with an engine test (un-awaited return agent(); custom thenable resolution as the return value; thenable resolving to non-JSON rejects), and the limitation wording updated in the module doc, README, and RFC. --- .../feature/2026-07-05-dynamic-workflows.md | 2 +- packages/workflow/workflow-vm/README.md | 2 +- packages/workflow/workflow-vm/src/index.ts | 18 +++++++++++------- .../workflow-vm/tests/workflow-vm.spec.ts | 13 +++++++++++++ 4 files changed, 26 insertions(+), 9 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 6f8678ecea..f44e1fad89 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -24,7 +24,7 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre ### The engine (dsh-workflow-vm): in-process node:vm -**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Scripts are model-written — the same trust level as the model's existing bash access — so genuine sandboxing is not the current requirement. The interface/implementation split exists precisely so a hardened engine can swap in later. Accepted, documented limitations: vm is not a security boundary, and the vm timeout covers only the initial synchronous slice — a pathological synchronous spin after the first await cannot be killed in-process; `dispose()` cancels, waits a bounded grace for the script to settle and its children to finish disposing, then abandons. +**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Scripts are model-written — the same trust level as the model's existing bash access — so genuine sandboxing is not the current requirement. The interface/implementation split exists precisely so a hardened engine can swap in later. Accepted, documented limitations: vm is not a security boundary, and the vm timeout covers only the initial synchronous slice — a pathological synchronous spin in realm code past that slice (an await continuation, or a thenable's `then` invoked by promise resolution — a returned thenable resolves per JavaScript semantics, which is what makes an un-awaited `return agent('x')` work) cannot be killed in-process; `dispose()` cancels, waits a bounded grace for the script to settle and its children to finish disposing, then abandons. **Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index e519ce7c0e..05a8e252d3 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -16,7 +16,7 @@ Values ENTERING the host (the meta literal, hook options/schemas, the script's r Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those). Thrown script values are pre-rendered to a string INSIDE the realm's execution window (the body is compiled into a realm-side catch), so a hostile `stack` getter is subject to the vm sync-slice timeout like any other script code; the host catch only descriptor-reads that string, falling back to `describeThrown` (fixed labels, own-data reads, an identity-verified host-native stack getter) — `result` cannot reject. -**Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): vm is NOT a security boundary — scripts are model-written, the same trust level as the model's bash access — and the vm `timeout` covers only the initial synchronous slice, so a pathological synchronous spin after the first await cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). +**Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): vm is NOT a security boundary — scripts are model-written, the same trust level as the model's bash access — and the vm `timeout` covers only the initial synchronous slice, so a pathological synchronous spin in realm code past that slice (an await continuation, or a thenable's `then` invoked by promise resolution) cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). A returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — and the realm-boundary guard applies to the resolution. ## Config diff --git a/packages/workflow/workflow-vm/src/index.ts b/packages/workflow/workflow-vm/src/index.ts index 4f6a506329..d0c8d8abfc 100644 --- a/packages/workflow/workflow-vm/src/index.ts +++ b/packages/workflow/workflow-vm/src/index.ts @@ -12,13 +12,17 @@ * level as the model's bash access — and the realm-boundary materialization * is correctness containment, not a sandbox. * - The vm `timeout` covers only the initial SYNCHRONOUS slice of the script; - * a pathological synchronous spin after the first await cannot be killed - * in-process. `dispose()` waits a bounded grace for the script to settle - * AND its children (stray `agent()` calls included) to finish disposing, - * then ABANDONS whatever is left: pending hook promises are already - * rejected and the script's settlement is contained (no unhandled - * rejection), but an abandoned synchronous spin would still occupy the - * event loop. + * realm code that runs past that slice — an await continuation, a + * thenable's `then` invoked by promise resolution (including one the script + * RETURNS: a returned thenable resolves per JavaScript semantics before + * materialization, which is what makes an un-awaited `return agent('x')` + * work) — is beyond the timeout, so a pathological synchronous spin there + * cannot be killed in-process. `dispose()` waits a bounded grace for the + * script to settle AND its children (stray `agent()` calls included) to + * finish disposing, then ABANDONS whatever is left: pending hook promises + * are already rejected and the script's settlement is contained (no + * unhandled rejection), but an abandoned synchronous spin would still + * occupy the event loop. * * Plugin export shape: a default-exported {@link WorkflowService} subclass * (the class-based service form, like `dsh-bash-local`). diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index 00a9438575..28c67dda14 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -217,6 +217,19 @@ describe('dsh-workflow-vm', () => { expect(result.stopReason).toBe('completed') expect(result.value).toBeNull() }) + + it('a returned promise/thenable resolves per async-JS semantics before materialization', async () => { + const { ctx, parent } = await setup() + // Load-bearing ergonomics: forgetting await on the final hook call works. + expect((await run(ctx, parent, script("return agent('x')"))).value).toBe('stub reply') + // A hand-built thenable is assimilated by the async return — the + // RESOLUTION is the script's return value (standard JavaScript), and the + // realm-boundary guard applies to that resolution, not the thenable. + expect((await run(ctx, parent, script('return { value: 1, then(resolve) { resolve({ ok: true }) } }'))).value).toEqual({ ok: true }) + const nonJson = await run(ctx, parent, script('return { then(resolve) { resolve({ bad: new Date(0) }) } }')) + expect(nonJson.stopReason).toBe('error') + expect(nonJson.error).toContain('not plain JSON data') + }) }) describe('combinator semantics', () => { From c7a833a893f59f63d37439d638e19822b42b45b7 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Sun, 5 Jul 2026 21:05:43 +0800 Subject: [PATCH 14/90] fix: simplify skill config wiring --- docs/cordis-catalog/services.md | 2 +- .../feature/2026-07-05-skill-system.md | 4 ++- packages/core/agent-core/src/index.ts | 27 +++++-------------- packages/core/skill/README.md | 4 ++- packages/core/skill/package.json | 1 - packages/core/skill/src/index.ts | 27 ++++++++++++------- packages/core/skill/tests/skill.spec.ts | 4 +++ packages/ui/acp-agent/src/index.ts | 11 +------- packages/ui/stdio-agent/src/index.ts | 11 +------- pnpm-lock.yaml | 3 --- vitest.config.ts | 11 -------- 11 files changed, 37 insertions(+), 68 deletions(-) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 066bc09b6a..2753a50158 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -176,7 +176,7 @@ async get(name: string, options: SkillLookupOptions = {}): Promise ``` -Source: [`packages/core/skill/src/index.ts:132`](../../packages/core/skill/src/index.ts) +Source: [`packages/core/skill/src/index.ts:133`](../../packages/core/skill/src/index.ts) ## `ctx.subagents` — `SubagentService` diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md index eea4ac91ae..6fda27b957 100644 --- a/docs/rfc/implemented/feature/2026-07-05-skill-system.md +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -16,7 +16,9 @@ Add `@deepseek-ai/dsh-skill` as the discovery service (`ctx.skills`) and `@deeps Discovery scans cwd-sensitive project roots, runtime registrations, user roots, extra roots, and system roots in first-wins priority order: project `.dsh`, project `.agents`, runtime, user `.dsh`, user `.agents`, extra roots, then `~/.dsh/skills/.system`. The user `.dsh/skills` scan skips `.system` so built-ins are not discovered twice. Same-name lower-priority skills are ignored with a warning, which lets project and user skills override built-ins deliberately. -Each skill is either `/SKILL.md` or `.md` with YAML frontmatter. `name` and `description` are required; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names are kebab-case. YAML frontmatter is parsed with the `yaml` package instead of a hand-written parser because the format already exposes an open `metadata` object and should behave like ordinary skill files rather than a bespoke key/value subset. +Each skill is either `/SKILL.md` or `.md` with YAML frontmatter. `name` and `description` are required; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names are kebab-case. YAML frontmatter is parsed with the `yaml` package instead of `js-yaml` or a hand-written parser: `yaml` is the already-declared modern parser for this package's limited frontmatter needs, and a narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. + +Skill filesystem I/O goes through `ctx.fs` when a filesystem service is loaded: root discovery uses `listDir`, skill reads use `readText`, and system-skill installation uses `writeText`. The Node filesystem remains a fallback for minimal contexts that mount `dsh-skill` without the fs seam. Missing roots and unreadable or malformed skill files degrade to warn-and-skip so one bad local file does not make every agent request fail. The service injects a request-time `## Skills` fragment through the existing `agent/request` waterfall. It appends to `GenerateOptions.system` instead of changing `systemPrompt.assemble()`, because the available project skills depend on the calling agent's cwd. The fragment contains only stable routing metadata and is sorted by skill name after first-wins collection, so equivalent workspaces produce deterministic prompt text and better prefix-cache reuse. Full skill bodies are never included in the listing. diff --git a/packages/core/agent-core/src/index.ts b/packages/core/agent-core/src/index.ts index 0f8e005b56..ff227cb6bc 100644 --- a/packages/core/agent-core/src/index.ts +++ b/packages/core/agent-core/src/index.ts @@ -72,27 +72,14 @@ export interface Config extends AgentLoopConfig { skills?: SkillConfig } -/** Local schema for the forwarded skill config. Keep this in sync with `SkillService.Config`. */ -export const SkillConfigSchema: Schema = z.object({ - dshHome: z.string(), - agentsHome: z.string(), - extraRoots: z.array(z.string()).default([]), - installSystemSkills: z.boolean().default(true), - promptFieldMaxLength: z.number().default(500), - collectCacheMaxEntries: z.number().default(128), -}) +/** The skill config schema exported for app packages that forward `skills`. */ +export const SkillConfigSchema: Schema = SkillService.Config -/** Bundle schema: keep the loop agent shape aligned and expose skill config. */ -export const Config: Schema = z.object({ - agents: z.array(z.object({ - id: z.string().required(), - model: z.string(), - systemPrompt: z.string(), - cwd: z.string(), - resumeSessionId: z.string(), - })).default([]), - skills: SkillConfigSchema, -}) as unknown as Schema +/** Bundle schema: reuse agent-loop's agent shape and add skill config. */ +export const Config: Schema = z.intersect([ + AgentLoop.Config, + z.object({ skills: SkillConfigSchema }), +]) /** * Load the spine. Each `ctx.plugin(...)` mounts one child of the bundle fiber; diff --git a/packages/core/skill/README.md b/packages/core/skill/README.md index 39deef415b..a91c3f116d 100644 --- a/packages/core/skill/README.md +++ b/packages/core/skill/README.md @@ -37,11 +37,13 @@ Default roots are resolved in this conflict priority order: The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. The user DSH root skips `.system` during normal user scanning so system skills are read exactly once. Same-name skills keep the highest-priority copy, then model-visible summaries are sorted by skill name for stable prompts and provider prefix-cache friendliness. +When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and installs system skills through `ctx.fs.writeText`. Without a filesystem service, the package falls back to Node filesystem I/O so the service can still run in minimal test contexts. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. + Discovery is memoized per resolved root set and runtime-skill revision. Runtime `register()` and disposer calls invalidate the cache; disk-only changes are picked up on the next invalidation or process restart. ## Skill Format -Skills can be single-level directory bundles (`/SKILL.md`) or flat Markdown files (`.md`). Nested `**/SKILL.md` discovery is intentionally not part of v1. Frontmatter requires `name` and `description`; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names must be kebab-case. +Skills can be single-level directory bundles (`/SKILL.md`) or flat Markdown files (`.md`). Nested `**/SKILL.md` discovery is intentionally not part of v1. Frontmatter is parsed as YAML with the `yaml` package; it requires `name` and `description`, while `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names must be kebab-case. ## Prompt Integration diff --git a/packages/core/skill/package.json b/packages/core/skill/package.json index 9bca3c1a24..efa1646e14 100644 --- a/packages/core/skill/package.json +++ b/packages/core/skill/package.json @@ -34,7 +34,6 @@ "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-fs": "workspace:^", - "@deepseek-ai/dsh-fs-local": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "cordis": "^4.0.0-rc.6" } diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index d2a228dc1c..503057b8bd 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -23,6 +23,7 @@ const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ const DEFAULT_PROMPT_FIELD_LENGTH = 500 const DEFAULT_COLLECT_CACHE_ENTRIES = 128 +/** Return whether a string is a valid kebab-case skill name. */ export function isSkillName(name: string): boolean { return SKILL_NAME.test(name) } @@ -365,13 +366,14 @@ async function listSkillRootEntries(root: SkillRoot, ctx: Context): Promise { - try { - const target = await fs.resolve(root.path) - const entries = await fs.listDir(target) - return entries.map(entryFromFs) - } catch { - return [] - } + // Skill roots are optional; an absent or unlistable root contributes no skills. + const entries = await fsListDir(fs, root.path).catch(() => undefined) + return entries === undefined ? [] : entries.map(entryFromFs) +} + +async function fsListDir(fs: FileSystem, path: string): Promise { + const target = await fs.resolve(path) + return await fs.listDir(target) } function entryFromFs(entry: FsDirEntry): SkillRootEntry { @@ -476,8 +478,13 @@ async function readSkillText(ctx: Context, path: string): Promise { - const target = await fs.resolve(path) - const info = await fs.stat(target) + // A missing or temporarily inaccessible skill file is not fatal to discovery. + const target = await fs.resolve(path).catch(() => undefined) + if (target === undefined) return undefined + const info = await fs.stat(target).catch((error: unknown) => { + ctx.logger.warn(`skill file ${path} ignored: failed to stat through filesystem service: ${errorMessage(error)}`) + return undefined + }) if (info === undefined || info.type !== 'file') return undefined try { return await fs.readText(target) @@ -553,7 +560,7 @@ async function findProjectRoot(cwd: string): Promise { function normalizeSkill(skill: SkillRegistration): SkillDefinition { if (!SKILL_NAME.test(skill.name)) throw new Error(`invalid skill name "${skill.name}"`) if (skill.description.length === 0) throw new Error(`skill "${skill.name}" requires a description`) - return { ...skill, source: skill.source } + return { ...skill } } function toSummary(skill: SkillDefinition): SkillSummary { diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index be16483a1e..ef5d314190 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -23,8 +23,10 @@ async function writeFlatSkill(root: string, name: string, description: string, b class TestFileSystem extends FileSystem { listDirCalls = 0 + failResolvePaths = new Set() override async resolve(path: string): Promise { + if (this.failResolvePaths.has(path)) throw new Error('resolve failed') return { targetKey: path as never, displayPath: path } } @@ -426,6 +428,7 @@ describe('SkillService', () => { const home = await tempDir('skill-read-fs') const root = join(home, '.dsh/skills') await writeFlatSkill(root, 'text-skill', 'Text skill', 'Text body.') + await writeFlatSkill(root, 'resolve-fail', 'Resolve fail', 'Resolve body.') await mkdir(join(root, 'empty-dir'), { recursive: true }) await mkdir(join(root, 'directory-skill/SKILL.md'), { recursive: true }) await writeFile(join(root, 'binary-skill.md'), Buffer.concat([ @@ -437,6 +440,7 @@ describe('SkillService', () => { const ctx = new Context() await ctx.plugin(TestFileSystem) const fs = ctx.fs as TestFileSystem + fs.failResolvePaths.add(join(root, 'resolve-fail.md')) await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['text-skill']) diff --git a/packages/ui/acp-agent/src/index.ts b/packages/ui/acp-agent/src/index.ts index 26ca874ff8..c3c869cd9d 100644 --- a/packages/ui/acp-agent/src/index.ts +++ b/packages/ui/acp-agent/src/index.ts @@ -38,15 +38,6 @@ import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl' export const name = 'acp-agent' -const SkillConfigSchema: z = z.object({ - dshHome: z.string(), - agentsHome: z.string(), - extraRoots: z.array(z.string()).default([]), - installSystemSkills: z.boolean().default(true), - promptFieldMaxLength: z.number().default(500), - collectCacheMaxEntries: z.number().default(128), -}) - /** * App config: the swappable per-deployment values. `model`/`systemPrompt` * configure the agent template the ACP bridge creates each session's agent from @@ -68,7 +59,7 @@ export const Config: z = z.object({ model: z.string().required(), systemPrompt: z.string().required(), persistenceRoot: z.string().default('./.sessions'), - skills: SkillConfigSchema, + skills: agentCore.SkillConfigSchema, }) /** diff --git a/packages/ui/stdio-agent/src/index.ts b/packages/ui/stdio-agent/src/index.ts index 2a370f5cb3..1753039829 100644 --- a/packages/ui/stdio-agent/src/index.ts +++ b/packages/ui/stdio-agent/src/index.ts @@ -49,15 +49,6 @@ import * as uiStdio from './stdio-chat.ts' export const name = 'stdio-agent' -const SkillConfigSchema: z = z.object({ - dshHome: z.string(), - agentsHome: z.string(), - extraRoots: z.array(z.string()).default([]), - installSystemSkills: z.boolean().default(true), - promptFieldMaxLength: z.number().default(500), - collectCacheMaxEntries: z.number().default(128), -}) - /** * App config: the swappable per-demo values, each routed to where the app wires * it. `model`/`systemPrompt`/`resumeSessionId` configure the pre-created `main` @@ -90,7 +81,7 @@ export const Config: z = z.object({ systemPrompt: z.string().required(), persistenceRoot: z.string().default('./.sessions'), welcome: z.string().default('ready.'), - skills: SkillConfigSchema, + skills: agentCore.SkillConfigSchema, resumeSessionId: z.string(), }) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 1e9291924a..7843b3920a 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -287,9 +287,6 @@ importers: '@deepseek-ai/dsh-fs': specifier: workspace:^ version: link:../../fs/fs - '@deepseek-ai/dsh-fs-local': - specifier: workspace:^ - version: link:../../fs/fs-local '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm diff --git a/vitest.config.ts b/vitest.config.ts index 7562dd628b..6afd87dcb0 100644 --- a/vitest.config.ts +++ b/vitest.config.ts @@ -1,5 +1,4 @@ import tsconfigPaths from 'vite-tsconfig-paths' -import { fileURLToPath } from 'node:url' import { defineConfig } from 'vitest/config' export default defineConfig({ @@ -19,16 +18,6 @@ export default defineConfig({ // upstream copies (vendor/README.md). The plugin's `projects` option // instead applies the one root map to every importer. plugins: [tsconfigPaths({ projects: ['./tsconfig.json'] })], - resolve: { - // The root tsconfig maps `schemastery` to its vendored TS source, whose - // upstream module shape is `export = Schema`. Vite/Vitest does not synthesize - // a default export for that source file consistently, while the package's - // built ESM artifact does. Tests exercise harness source but can use the - // vendored dependency's built artifact for this CJS-interop boundary. - alias: { - schemastery: fileURLToPath(new URL('./vendor/schemastery/lib/index.mjs', import.meta.url)), - }, - }, test: { include: ['packages/*/*/tests/**/*.spec.ts', 'examples/*/tests/**/*.spec.ts'], coverage: { From 7234d41b915d0b75e7b69ee1b99e42fa002e7e4b Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 5 Jul 2026 21:24:30 +0800 Subject: [PATCH 15/90] workflow: hook promises and hook failures are realm-built too MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Codex code-review round 5: agent()/parallel()/pipeline() returned HOST Promise objects into the script realm — Object.getPrototypeOf(agent('x')) reached host Promise.prototype, contradicting the realm contract (correctness containment, not the accepted sandbox stance). The rejection channel had the same leak one hop away: a caught hook failure was a host WorkflowError (host Error.prototype chain), and phase()/log() threw host errors synchronously. All three surfaces are realm-built now: - hook promises: the realm's own Promise.resolve (bound at context setup) assimilates the host promise, so the script-visible promise carries realm prototypes; the realm promise gets the same no-op rejection consumer as the host one (a script may drop it). - hook failures: rejections and phase/log sync throws are translated at the boundary into realm-built clones (name/code/message/fatal via an in-realm factory); non-WorkflowError host failures become generic realm Errors carrying their describeThrown rendering. - the combinators recognize FATAL clones structurally (isFatalWorkflowErrorClone: proxy-guarded descriptor reads), preserving the fatal-vs-null discipline across the boundary; a script forging the shape kills only its own run. drive() maps any post-cancel failure to 'cancelled' by run state (a CANCELLED clone deliberately fails the host instanceof). Tests: realm-promise identity for all three hooks + host Promise.prototype pollution unreachable; clone shape (instanceof realm Error, name/code/fatal/ message) with prototype-chain mutation staying realm-side; a rejecting provider result crossing as a generic clone; phase/log sync-throw clones; combinator catch branches (string throw, proxy throw, shape-miss forgery → null; forged fatal → kills own run); existing fatal-propagation, cancellation, and unhandled-rejection tests as canaries. --- .../feature/2026-07-05-dynamic-workflows.md | 2 +- packages/workflow/workflow-vm/README.md | 2 +- packages/workflow/workflow-vm/src/realm.ts | 16 +++ packages/workflow/workflow-vm/src/runtime.ts | 112 ++++++++++++++---- .../workflow-vm/tests/workflow-vm.spec.ts | 96 ++++++++++++++- 5 files changed, 203 insertions(+), 25 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index f44e1fad89..4d7061335e 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -28,7 +28,7 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre **Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. -**Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, proxies included (the trap-free `util.types.isProxy`, checked before any inspection, so realm-side traps never run on the host stack), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm (`args`, `agent()` results) are rebuilt INSIDE the realm via the context's own `JSON.parse`, and `parallel`/`pipeline` resolve to realm-built arrays, so the script never holds a live host-prototype object. Realm functions (stages, thunks) are called, never materialized. +**Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, proxies included (the trap-free `util.types.isProxy`, checked before any inspection, so realm-side traps never run on the host stack), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm are realm-built throughout, so the script never holds a live host-prototype object: `args` and `agent()` results via the context's own `JSON.parse`, combinator result arrays via its `Array.from`, hook promises via its `Promise.resolve`, and hook failures as realm-built clones (name/code/message/fatal — the combinators recognize fatal clones structurally). Realm functions (stages, thunks) are called, never materialized. **Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Thrown script/meta values are pre-rendered to a string by a realm-side catch compiled into the wrapper (rendering runs inside the realm's own execution window, so a hostile `stack` getter dies by the vm sync-slice timeout like any other script code — host-side formatting of realm errors is unfixable in general, since V8 stack formatting invokes script-controllable `name`/`prepareStackTrace` hooks); the host catch descriptor-reads that string or falls back to `describeThrown` (fixed labels, own-data reads, an identity-verified host-native stack getter), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index 05a8e252d3..b5d8817735 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -10,7 +10,7 @@ The first [`WorkflowService`](../workflow/README.md) implementation: an in-proce ## Realm discipline -Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a descriptor walk that never invokes accessors and rejects loud everything JSON cannot carry (accessors, exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`, and proxies — rejected via the trap-free `util.types.isProxy` BEFORE any inspection could run a realm-side trap on the host stack), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values ENTERING the realm (`args`, `agent()` results) are rebuilt INSIDE the realm through the context's own `JSON.parse`, and the arrays `parallel`/`pipeline` resolve to are realm-built, so the script never holds an object whose prototype chain reaches host intrinsics. +Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a descriptor walk that never invokes accessors and rejects loud everything JSON cannot carry (accessors, exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`, and proxies — rejected via the trap-free `util.types.isProxy` BEFORE any inspection could run a realm-side trap on the host stack), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values ENTERING the realm are realm-built throughout, so the script never holds an object whose prototype chain reaches host intrinsics: `args` and `agent()` results are rebuilt through the context's own `JSON.parse`, combinator result arrays through its `Array.from`, hook promises through its `Promise.resolve`, and a hook failure (rejection or synchronous `phase`/`log` throw) crosses as a realm-built clone carrying name/code/message/fatal — the combinators recognize fatal clones structurally, so the fatal-vs-null discipline survives the boundary. ## Limits, cancellation, disposal diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-vm/src/realm.ts index fca93caac4..c1f1ff7c5c 100644 --- a/packages/workflow/workflow-vm/src/realm.ts +++ b/packages/workflow/workflow-vm/src/realm.ts @@ -156,6 +156,22 @@ function ownDataProperty(value: object, key: string): unknown { return descriptor !== undefined && 'value' in descriptor ? descriptor.value : undefined } +/** + * Whether `error` is a FATAL realm-built `WorkflowError` clone — the shape the + * engine's hooks reject with (host errors are translated at the realm boundary + * so the script never holds host prototypes), duck-checked because a realm + * object cannot be an `instanceof` the host class. Proxy-guarded and + * descriptor-read, so a forged object cannot run code here; a script forging + * the shape only kills its own run (self-sabotage). Combinators use this to + * decide re-throw vs per-item `null`. + * @param error - the value a combinator caught from a realm thunk/stage. + * @returns `true` when the error must propagate and kill the script. + */ +export function isFatalWorkflowErrorClone(error: unknown): boolean { + if (typeof error !== 'object' || error === null || types.isProxy(error)) return false + return ownDataProperty(error, 'name') === 'WorkflowError' && ownDataProperty(error, 'fatal') === true +} + /** * Whether an object's prototype chain is data-shaped: `null`, or a prototype * whose own prototype is `null` (the realm's `Object.prototype` — which we diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index 892b7c781d..955be94a87 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -9,17 +9,22 @@ * descriptor walks; values ENTERING the realm from the host (`args`, agent() * results) are rebuilt INSIDE the realm through the context's own * `JSON.parse`, so the script never holds an object whose prototype chain - * reaches host intrinsics. The arrays `parallel`/`pipeline` resolve to are - * realm-built for the same reason (their ELEMENTS are realm values already — - * only the container needs rebuilding). Realm functions (pipeline stages, - * parallel thunks) are called, not materialized — their values stay - * realm-side. + * reaches host intrinsics. The same rule covers every other value a hook + * hands the script: the promises `agent`/`parallel`/`pipeline` return are + * realm promises (the realm's own `Promise.resolve` over the host promise), + * the arrays the combinators resolve to are realm-built (their ELEMENTS are + * realm values already — only the container needs rebuilding), and a hook + * failure — rejection or synchronous `phase`/`log` throw — crosses as a + * realm-built clone carrying name/code/message/fatal. Realm functions + * (pipeline stages, parallel thunks) are called, not materialized — their + * values stay realm-side. * * Failure discipline: fatal {@link WorkflowError}s (bad hook arguments, * unsupported options/schemas, tripped caps, seam start failures, - * cancellation) ALWAYS propagate through `parallel`/`pipeline`; the per-item - * `null` is reserved for child-run failures and ordinary in-stage script - * errors. Every hook-returned promise gets a no-op rejection consumer + * cancellation) ALWAYS propagate through `parallel`/`pipeline` — they cross + * the realm boundary as fatal clones, recognized structurally — and the + * per-item `null` is reserved for child-run failures and ordinary in-stage + * script errors. Every hook-returned promise gets a no-op rejection consumer * attached, so a script that drops a promise (fires an `agent()` without * awaiting it) cannot surface an unhandled rejection when cancellation * rejects it — the app boot layer exits the process on unhandled rejections. @@ -34,14 +39,14 @@ import type { Agent } from '@deepseek-ai/dsh-agent' import type {} from '@deepseek-ai/dsh-subagent' import { assertSupportedOutputSchema, OutputSchemaError } from '@deepseek-ai/dsh-tools' import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' -import { WorkflowError, isFatalWorkflowError } from '@deepseek-ai/dsh-workflow' +import { WorkflowError } from '@deepseek-ai/dsh-workflow' import type { WorkflowAgentEndInfo, WorkflowAgentInfo, WorkflowMeta, WorkflowResult, } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering, REALM_THROWN_RENDERER_SOURCE } from './realm.ts' +import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering, isFatalWorkflowErrorClone, REALM_THROWN_RENDERER_SOURCE } from './realm.ts' /** The per-run knobs the engine resolves from its Config. */ export interface ExecutionLimits { @@ -121,6 +126,8 @@ export class WorkflowExecution { private readonly context: vm.Context private readonly realmJsonParse: (text: string) => unknown private readonly realmArrayFrom: (items: unknown[]) => unknown[] + private readonly realmPromiseResolve: (value: unknown) => Promise + private readonly realmErrorClone: (name: string, code: string | undefined, message: string, fatal: boolean) => unknown private readonly compiled: vm.Script /** Every live `agent()` call promise — awaited or stray — for {@link quiesce}. */ private readonly inFlightAgents = new Set>() @@ -159,16 +166,38 @@ export class WorkflowExecution { // The realm's own JSON.parse — the host→realm rebuild channel. const realmJson = vm.runInContext('JSON', this.context) as { parse(text: string): unknown } this.realmJsonParse = (text: string) => realmJson.parse(text) - // The realm's own Array.from, bound NOW so a script reassigning its - // globals later cannot swap it: combinator results must be realm arrays. + // The realm's own Array.from / Promise.resolve / an error factory, bound + // NOW so a script reassigning its globals later cannot swap them: + // combinator results must be realm arrays, hook promises realm promises, + // and hook failures realm-built clones. this.realmArrayFrom = vm.runInContext('Array.from.bind(Array)', this.context) as (items: unknown[]) => unknown[] + this.realmPromiseResolve = vm.runInContext('Promise.resolve.bind(Promise)', this.context) as (value: unknown) => Promise + this.realmErrorClone = vm.runInContext(`(name, code, message, fatal) => { + const error = new Error(message) + error.name = name + if (code !== undefined) error.code = code + error.fatal = fatal + return error + }`, this.context) as (name: string, code: string | undefined, message: string, fatal: boolean) => unknown const globals: Record = { - agent: (prompt: unknown, opts?: unknown) => this.contain(this.track(this.agent(prompt, opts))), - parallel: (thunks: unknown) => this.contain(this.parallel(thunks)), - pipeline: (items: unknown, ...stages: unknown[]) => this.contain(this.pipeline(items, stages)), - phase: (title: unknown) => { this.phase(title) }, - log: (message: unknown) => { this.log(message) }, + agent: (prompt: unknown, opts?: unknown) => this.realmFacing(this.track(this.agent(prompt, opts))), + parallel: (thunks: unknown) => this.realmFacing(this.parallel(thunks)), + pipeline: (items: unknown, ...stages: unknown[]) => this.realmFacing(this.pipeline(items, stages)), + phase: (title: unknown) => { + try { + this.phase(title) + } catch (error: unknown) { + throw this.toRealmError(error) + } + }, + log: (message: unknown) => { + try { + this.log(message) + } catch (error: unknown) { + throw this.toRealmError(error) + } + }, args: this.toRealm(args), } for (const [key, value] of Object.entries(globals)) { @@ -228,8 +257,12 @@ export class WorkflowExecution { const value = raw === undefined ? null : this.materializeResult(raw) return { value, stopReason: 'completed', agentsStarted: this.started } } catch (error: unknown) { - if (error instanceof WorkflowError && error.code === 'CANCELLED') { - return { value: null, stopReason: 'cancelled', error: error.message, agentsStarted: this.started } + // Any failure after cancel() reports `cancelled` with the canonical + // reason — the reject path mirrors the resolve path's post-settle + // check, and a hook CANCELLED failure crosses the realm boundary as a + // clone that deliberately fails the host `instanceof`. + if (this.isCancelled()) { + return { value: null, stopReason: 'cancelled', error: this.cancelledError().message, agentsStarted: this.started } } // Ordinary script failures arrive pre-rendered by the realm-side catch // (thrownRendering); host-thrown errors (a vm timeout, a WorkflowError) @@ -258,6 +291,37 @@ export class WorkflowExecution { return promise } + /** + * Hand a hook's host promise to the script as a REALM promise (the realm's + * own `Promise.resolve` assimilates it) whose failure reason is a + * realm-built clone — the script must never hold host prototypes, and both + * the promise object and a caught rejection would otherwise expose them + * (module doc). The realm promise gets the same no-op rejection consumer as + * {@link contain}, since the script may drop it; the intermediate host + * promises are handled by the assimilation chain itself. + */ + private realmFacing(hostPromise: Promise): Promise { + const translated = hostPromise.catch((error: unknown) => { + throw this.toRealmError(error) + }) + const realmPromise = this.realmPromiseResolve(translated) + realmPromise.catch(() => { /* consumed: a script-dropped realm promise must not surface an unhandled rejection (see contain) */ }) + return realmPromise + } + + /** + * Rebuild a host failure as a realm-built error clone: a `WorkflowError` + * keeps its name/code/message/fatal (the combinators recognize the shape + * via {@link isFatalWorkflowErrorClone}); anything else becomes a generic + * realm `Error` carrying its {@link describeThrown} rendering. + */ + private toRealmError(error: unknown): unknown { + if (error instanceof WorkflowError) { + return this.realmErrorClone('WorkflowError', error.code, error.message, error.fatal) + } + return this.realmErrorClone('Error', undefined, describeThrown(error), false) + } + /** * Register one `agent()` call promise for {@link quiesce} tracking; the * entry drops when the call fully settles (which is AFTER its child's @@ -472,7 +536,10 @@ export class WorkflowExecution { try { return await thunk() } catch (error: unknown) { - if (isFatalWorkflowError(error)) throw error + // Hooks translate host errors at the realm boundary, so a fatal error + // reaches a thunk catch only as a realm clone (a script forging the + // shape merely kills its own run). + if (isFatalWorkflowErrorClone(error)) throw error return null } })) @@ -505,8 +572,9 @@ export class WorkflowExecution { return value } catch (error: unknown) { // An ordinary stage throw drops the ITEM to null and skips its - // remaining stages; a fatal error kills the whole script. - if (isFatalWorkflowError(error)) throw error + // remaining stages; a fatal error (a realm clone — see parallel()) + // kills the whole script. + if (isFatalWorkflowErrorClone(error)) throw error return null } })) diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index 28c67dda14..d87d571295 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -288,9 +288,23 @@ describe('dsh-workflow-vm', () => { () => { throw new Error('boom') }, () => agent('fine'), () => 'plain value', + () => { throw 'string throw' }, + () => { throw new Proxy({ name: 'WorkflowError', fatal: true }, {}) }, + () => { throw { name: 'WorkflowError', fatal: 'forged-but-not-true' } }, ]) `)) - expect(result.value).toEqual([null, 'stub reply', 'plain value']) + // The last three probe the fatal-clone recognition: a non-object, a + // proxy (never inspected), and a shape miss are all ordinary nulls. + expect(result.value).toEqual([null, 'stub reply', 'plain value', null, null, null]) + }) + + it('a script forging a fatal clone kills only its own run (self-sabotage, not a bypass)', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + return await parallel([() => { throw { name: 'WorkflowError', fatal: true, message: 'forged fatal' } }]) + `)) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('forged fatal') }) it('FATAL errors propagate through parallel AND pipeline instead of dissolving into null', async () => { @@ -433,6 +447,86 @@ describe('dsh-workflow-vm', () => { expect((await run(ctx, parent, script('return typeof args'))).value).toBe('undefined') }) + it('hook promises are REALM promises: instanceof holds in-script, host Promise.prototype stays unreachable', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + const p = agent('x') + const par = parallel([() => 'v']) + const pipe = pipeline([1], (n) => n) + Object.getPrototypeOf(p).wfLeakProbe = 'realm-only' + return { + agentIsRealmPromise: p instanceof Promise, + parallelIsRealmPromise: par instanceof Promise, + pipelineIsRealmPromise: pipe instanceof Promise, + value: await p, + } + `)) + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ + agentIsRealmPromise: true, + parallelIsRealmPromise: true, + pipelineIsRealmPromise: true, + value: 'stub reply', + }) + expect((Promise.prototype as unknown as Record).wfLeakProbe).toBeUndefined() + delete (Promise.prototype as unknown as Record).wfLeakProbe + }) + + it('hook failures cross the boundary as realm-built WorkflowError clones', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + try { + await agent('p', { bogus: true }) + return 'unreachable' + } catch (e) { + Object.getPrototypeOf(Object.getPrototypeOf(e)).wfErrLeakProbe = 'realm-only' + return { isRealmError: e instanceof Error, name: e.name, code: e.code, fatal: e.fatal, message: e.message } + } + `)) + expect(result.stopReason).toBe('completed') + expect(result.value).toMatchObject({ isRealmError: true, name: 'WorkflowError', code: 'UNSUPPORTED_OPTION', fatal: true }) + expect((result.value as { message: string }).message).toContain('"bogus" is not recognized') + // The script mutated its error's prototype CHAIN — host intrinsics untouched. + expect((Object.prototype as unknown as Record).wfErrLeakProbe).toBeUndefined() + expect((Error.prototype as unknown as Record).wfErrLeakProbe).toBeUndefined() + }) + + it('a non-WorkflowError host failure (a rejecting provider result) crosses as a generic realm clone', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider: SubagentProvider = { + name: 'rejecting', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + start: () => ({ + id: AgentId('reject-child'), + result: Promise.reject(new Error('backend exploded')), + cancel: () => { /* nothing in flight */ }, + dispose: () => Promise.resolve(), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(VmWorkflowEngine, { provider: 'rejecting' }) + const result = await run(ctx, fakeParent(), script(` + try { await agent('p'); return 'unreachable' } catch (e) { return { isRealmError: e instanceof Error, name: e.name, message: e.message } } + `)) + expect(result.value).toMatchObject({ isRealmError: true, name: 'Error' }) + expect((result.value as { message: string }).message).toContain('backend exploded') + }) + + it('phase()/log() synchronous throws cross as realm clones too', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, script(` + try { phase(3) } catch (e) { + if (!(e instanceof Error) || e.name !== 'WorkflowError') throw e + } + try { log(3) } catch (e) { + return { isRealmError: e instanceof Error, name: e.name, message: e.message } + } + `)) + expect(result.value).toMatchObject({ isRealmError: true, name: 'WorkflowError' }) + expect((result.value as { message: string }).message).toContain('log() requires') + }) + it('parallel/pipeline resolve to REALM arrays: instanceof holds in-script, host intrinsics stay unreachable', async () => { const { ctx, parent } = await setup() const result = await run(ctx, parent, script(` From ad14b210bfb912d6de893508b84563e5e6d9586c Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Sun, 5 Jul 2026 21:46:38 +0800 Subject: [PATCH 16/90] test: cover skill config defaults --- .../core/agent-core/tests/agent-core.spec.ts | 35 ++++++++++++++++++ packages/core/skill/tests/skill.spec.ts | 4 +++ packages/ui/acp-agent/tests/acp-agent.spec.ts | 36 +++++++++++++++++++ .../ui/stdio-agent/tests/stdio-agent.spec.ts | 36 +++++++++++++++++++ 4 files changed, 111 insertions(+) diff --git a/packages/core/agent-core/tests/agent-core.spec.ts b/packages/core/agent-core/tests/agent-core.spec.ts index 75f0f5eef9..08bea5a573 100644 --- a/packages/core/agent-core/tests/agent-core.spec.ts +++ b/packages/core/agent-core/tests/agent-core.spec.ts @@ -43,6 +43,27 @@ async function mount(config?: agentCore.Config): Promise { } } +async function withIsolatedSkillHomes(run: () => Promise): Promise { + const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME + process.env.DSH_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-home-')) + process.env.DSH_AGENTS_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-agents-')) + try { + return await run() + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } + } +} + describe('dsh-agent-core bundle', () => { it('brings up the full providerless spine', async () => { const ctx = await mount() @@ -100,6 +121,20 @@ describe('dsh-agent-core bundle', () => { await ctx.fiber.dispose() }) + it('uses the default skill config when apply is called directly without skills', async () => { + await withIsolatedSkillHomes(async () => { + const ctx = new Context() + agentCore.apply(ctx, { agents: [] }) + await new Promise(resolve => setTimeout(resolve, 50)) + expect(ctx.skills).toBeDefined() + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ + 'dsh-plugin-creator', + 'dsh-skill-creator', + ])) + await ctx.fiber.dispose() + }) + }) + it('re-exports the loop config schema as its own', () => { expect(agentCore.Config).toBeDefined() expect(agentCore.name).toBe('agent-core') diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index ef5d314190..183954ccdf 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -24,6 +24,7 @@ async function writeFlatSkill(root: string, name: string, description: string, b class TestFileSystem extends FileSystem { listDirCalls = 0 failResolvePaths = new Set() + failStatPaths = new Set() override async resolve(path: string): Promise { if (this.failResolvePaths.has(path)) throw new Error('resolve failed') @@ -31,6 +32,7 @@ class TestFileSystem extends FileSystem { } override async stat(target: FsTarget): Promise { + if (this.failStatPaths.has(target.displayPath)) throw new Error('stat failed') try { const fs = await import('node:fs/promises') const info = await fs.stat(target.displayPath) @@ -429,6 +431,7 @@ describe('SkillService', () => { const root = join(home, '.dsh/skills') await writeFlatSkill(root, 'text-skill', 'Text skill', 'Text body.') await writeFlatSkill(root, 'resolve-fail', 'Resolve fail', 'Resolve body.') + await writeFlatSkill(root, 'stat-fail', 'Stat fail', 'Stat body.') await mkdir(join(root, 'empty-dir'), { recursive: true }) await mkdir(join(root, 'directory-skill/SKILL.md'), { recursive: true }) await writeFile(join(root, 'binary-skill.md'), Buffer.concat([ @@ -441,6 +444,7 @@ describe('SkillService', () => { await ctx.plugin(TestFileSystem) const fs = ctx.fs as TestFileSystem fs.failResolvePaths.add(join(root, 'resolve-fail.md')) + fs.failStatPaths.add(join(root, 'stat-fail.md')) await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['text-skill']) diff --git a/packages/ui/acp-agent/tests/acp-agent.spec.ts b/packages/ui/acp-agent/tests/acp-agent.spec.ts index 98b5cee517..fd38670713 100644 --- a/packages/ui/acp-agent/tests/acp-agent.spec.ts +++ b/packages/ui/acp-agent/tests/acp-agent.spec.ts @@ -30,6 +30,28 @@ async function isolatedSkillsConfig(): Promise(run: () => Promise): Promise { + const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME + const home = await mkdtemp(join(tmpdir(), 'dsh-acp-agent-default-skills-')) + process.env.DSH_HOME = join(home, '.dsh') + process.env.DSH_AGENTS_HOME = join(home, '.agents') + try { + return await run() + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } + } +} + describe('dsh-acp-agent composition', () => { it('brings up the spine + persistence + the ACP bridge', async () => { const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-acp-agent-test', skills: await isolatedSkillsConfig() }) @@ -54,6 +76,20 @@ describe('dsh-acp-agent composition', () => { await ctx.fiber.dispose() }) + it('uses default skill config when apply is called directly without skills', async () => { + await withIsolatedSkillHomes(async () => { + const ctx = new Context() + acpAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi' }) + await new Promise(resolve => setTimeout(resolve, 50)) + expect(ctx.skills).toBeDefined() + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ + 'dsh-plugin-creator', + 'dsh-skill-creator', + ])) + await ctx.fiber.dispose() + }) + }) + it('forwards skill config into agent-core', async () => { const ctx = await mount({ model: 'mock', systemPrompt: 'hi', skills: await isolatedSkillsConfig() }) expect(await ctx.skills.list()).toEqual([]) diff --git a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts index ba19bf9718..1eb32e62fe 100644 --- a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts +++ b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts @@ -36,6 +36,28 @@ async function isolatedSkillsConfig(): Promise(run: () => Promise): Promise { + const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME + const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-agent-default-skills-')) + process.env.DSH_HOME = join(home, '.dsh') + process.env.DSH_AGENTS_HOME = join(home, '.agents') + try { + return await run() + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } + } +} + describe('dsh-stdio-agent app', () => { it('composes the spine + front-door cluster and pre-creates the main agent', async () => { const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-stdio-agent-spec', skills: await isolatedSkillsConfig() }) @@ -63,6 +85,20 @@ describe('dsh-stdio-agent app', () => { await ctx.fiber.dispose() }) + it('uses default skill config when apply is called directly without skills', async () => { + await withIsolatedSkillHomes(async () => { + const ctx = new Context() + stdioAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi' }) + await new Promise(resolve => setTimeout(resolve, 80)) + expect(ctx.skills).toBeDefined() + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ + 'dsh-plugin-creator', + 'dsh-skill-creator', + ])) + await ctx.fiber.dispose() + }) + }) + it('forwards resumeSessionId onto the pre-created agent when set', async () => { // A resume id defers agent creation until persistence loads; with no backing // session the resume is contained + logged, so no `main` agent registers — From 2accf85714885ae33fef40e58b30b3692f7ad3ec Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 00:48:49 +0800 Subject: [PATCH 17/90] workflow: simplify to the trust premise; settle result on cancellation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Two review responses that belong together — the same review argued the engine was defending the wrong threat while a benign-input bug wedged the product. 1) Drop hostile-value containment; state the trust premise. Scripts are model-written — the same trust level as the model's bash access — yet successive pre-push review rounds had ratcheted in defenses that only matter against an adversarial author: trap-free proxy rejection, accessor-never-invoked descriptor walks, realm-side pre-rendering of thrown values, realm-built promises/arrays/error clones with structural fatal recognition. That same author keeps a documented, accepted, unkillable event-loop spin, so containing its error VALUES is cost without a threat model — and the planned hardened engine (worker/isolated-vm) gets value isolation by serialization and deletes all of this machinery anyway. What stays, because benign scripts hit it constantly: result never rejects; dropped hook promises cannot become unhandled rejections; the value boundary rejects LOUD everything JSON cannot carry (now a plain recursive walk — getters are read ordinarily and their result is what crosses; a throwing read fails loud); a "__proto__" key still copies as a data property; the fatal-vs-null combinator discipline (now host instanceof — unforgeable from the realm and simpler than clone-shape recognition). What changes for scripts (documented in the engine README): hooks hand back host values and host errors — in-script `instanceof Error` on a hook failure is false (branch on e.name/e.code) — and args are host-cloned once so a script cannot mutate the caller's object. realm.ts drops 289 → 173 lines; the hostile-value test tables go with it. The premise now leads the engine module doc, the README, and the RFC's engine section, with the removed machinery recorded under What was rejected. 2) result settles within the dispose grace of a cancellation. Review finding (verified through the real registry + tool + engine): a script parked on a promise no hook owns — `await new Promise(() => {})`, `await Promise.race([])`, a returned never-settling thenable — could not be settled by cancel(): hooks reject and children abort, but nothing touches a promise the engine does not own, so `result` stayed pending FOREVER (the previous cut even pinned that as intended). The tool awaits run.result BEFORE its disposing finally, the registry awaits the tool, the loop awaits the registry — one such script wedged the whole agent turn past any abort, unrecoverable in-process; the mock engine in the tool's abort test settles result on cancel, which is exactly the behavior the real engine lacked, so no existing test could see it. The seam contract now says it out loud: once a run is cancelled, result SETTLES within the implementation's bounded grace even if the script never does. The vm engine arms an abandon channel in cancel(); drive() races the script against it, force-settling 'cancelled' at the grace (the abandoned settlement stays contained; a post-slice synchronous spin remains the documented limitation). dispose()'s outer race now exists for child quiescence only, and `workflow/end` again fires exactly once per started run. The old 'result stays pending' pin is FLIPPED to the new contract (the pinned behavior was the bug); new regressions cover cancel-then-settle on a parked script, a never-settling returned thenable, and the full composition through the REAL registry + tool + vm engine (tool-workflow gains workflow-vm/subagent devDeps for it). agentsStarted JSDoc clarified while touching the vocabulary (accepted calls, including ones still queued at cancellation). --- docs/core-data-structures/workflow.md | 2 +- .../feature/2026-07-05-dynamic-workflows.md | 9 +- packages/workflow/tool-workflow/package.json | 2 + .../tool-workflow/tests/tool-workflow.spec.ts | 31 +++ packages/workflow/workflow-vm/README.md | 12 +- packages/workflow/workflow-vm/src/index.ts | 59 +++-- packages/workflow/workflow-vm/src/meta.ts | 15 +- packages/workflow/workflow-vm/src/realm.ts | 246 +++++------------- packages/workflow/workflow-vm/src/runtime.ts | 225 ++++++---------- .../workflow/workflow-vm/tests/meta.spec.ts | 20 +- .../workflow/workflow-vm/tests/realm.spec.ts | 99 +++---- .../workflow-vm/tests/workflow-vm.spec.ts | 208 ++++----------- packages/workflow/workflow/README.md | 2 +- packages/workflow/workflow/src/index.ts | 9 +- packages/workflow/workflow/src/types.ts | 16 +- pnpm-lock.yaml | 6 + 16 files changed, 352 insertions(+), 609 deletions(-) diff --git a/docs/core-data-structures/workflow.md b/docs/core-data-structures/workflow.md index 11f216f39e..8c7916a6c3 100644 --- a/docs/core-data-structures/workflow.md +++ b/docs/core-data-structures/workflow.md @@ -47,7 +47,7 @@ interface WorkflowResult { ## A live run: `WorkflowRun` -The handle the consumer holds while a script executes. The consumer awaits `result`, may `cancel` mid-flight, and MUST `dispose` on every path. `result` does NOT reject — a script failure resolves with `stopReason: 'error'` — so the consumer maps a non-`completed` reason to an `isError` result. `dispose()` cancels, waits a bounded grace for the script to settle AND its children to finish disposing, then abandons whatever is left (the engine documents the abandonment semantics); it never hangs on a stuck script. +The handle the consumer holds while a script executes. The consumer awaits `result`, may `cancel` mid-flight, and MUST `dispose` on every path. `result` does NOT reject — a script failure resolves with `stopReason: 'error'` — and once the run is cancelled it SETTLES within the engine's bounded grace even if the script itself never settles (the engine abandons the script and reports `cancelled`), so a consumer awaiting `result` is never wedged past a cancellation. `dispose()` = cancel + that bounded settle + child quiescence (the engine documents what abandonment leaves behind); it never hangs on a stuck script. ```ts type-equiv interface WorkflowRun { diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 4d7061335e..f39f12f0ed 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -24,13 +24,13 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre ### The engine (dsh-workflow-vm): in-process node:vm -**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Scripts are model-written — the same trust level as the model's existing bash access — so genuine sandboxing is not the current requirement. The interface/implementation split exists precisely so a hardened engine can swap in later. Accepted, documented limitations: vm is not a security boundary, and the vm timeout covers only the initial synchronous slice — a pathological synchronous spin in realm code past that slice (an await continuation, or a thenable's `then` invoked by promise resolution — a returned thenable resolves per JavaScript semantics, which is what makes an un-awaited `return agent('x')` work) cannot be killed in-process; `dispose()` cancels, waits a bounded grace for the script to settle and its children to finish disposing, then abandons. +**Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) — host code MAY run script code while reading script values, and that is accepted, because a hostile script can already occupy the event loop forever with a synchronous spin past its first await; containing its error VALUES while conceding it the event loop would be cost without a threat model. Genuine hardening is an engine swap behind the seam (worker/isolated-vm gets value isolation by serialization for free), not incremental host-side defenses. + +**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Under the trust premise, in-process is enough. Accepted, documented limitations: `start()` blocks the caller for the script's initial synchronous slice (bounded by the vm timeout); that timeout covers ONLY the initial slice, so a synchronous spin past it (an await continuation, a thenable's `then` invoked by promise resolution — a returned thenable resolves per JavaScript semantics, which is what makes an un-awaited `return agent('x')` work — or script code the host runs while rendering a thrown value) cannot be killed in-process; `dispose()` cancels, waits a bounded grace for the script to settle and its children to finish disposing, then abandons. **Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. -**Realm boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a descriptor walk that NEVER invokes accessors (the repo's `isJsonValue` is prototype-strict and getter-invoking, so it cannot run first; it would reject every cross-realm object and let realm code run outside the timed window) and rejects loud everything JSON cannot carry, proxies included (the trap-free `util.types.isProxy`, checked before any inspection, so realm-side traps never run on the host stack), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values entering the realm are realm-built throughout, so the script never holds a live host-prototype object: `args` and `agent()` results via the context's own `JSON.parse`, combinator result arrays via its `Array.from`, hook promises via its `Promise.resolve`, and hook failures as realm-built clones (name/code/message/fatal — the combinators recognize fatal clones structurally). Realm functions (stages, thunks) are called, never materialized. - -**Containment**: every hook-returned promise carries a no-op rejection consumer, so a script that drops a promise cannot surface an unhandled rejection when cancellation rejects it — `dsh-app-boot` exits the process on unhandled rejections. Thrown script/meta values are pre-rendered to a string by a realm-side catch compiled into the wrapper (rendering runs inside the realm's own execution window, so a hostile `stack` getter dies by the vm sync-slice timeout like any other script code — host-side formatting of realm errors is unfixable in general, since V8 stack formatting invokes script-controllable `name`/`prepareStackTrace` hooks); the host catch descriptor-reads that string or falls back to `describeThrown` (fixed labels, own-data reads, an identity-verified host-native stack getter), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. +**Value boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation; getters are read ordinarily and their RESULT crosses (a throwing read fails loud). Values entering the realm (`args`, `agent()` results, hook promises and failures, combinator arrays) are handed over directly as host values — the script is trusted, so host prototypes are not a leak; `args` is host-`structuredClone`d once so a script cannot mutate the caller's object. Hook failures are host `WorkflowError`s: the combinators recognize fatality by host `instanceof` (unforgeable from the realm), and the script-visible consequence — in-script `instanceof Error` is `false` for hook errors; branch on `e.name`/`e.code` — is documented in the engine README. Realm functions (stages, thunks) are called, never materialized. Thrown script values are rendered by a total host-side renderer (stack → message → `String()`, fixed label if rendering throws), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. ### The consumer (dsh-tool-workflow) @@ -42,6 +42,7 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai ## What was rejected +- **Hostile-value containment in the host** (trap-free proxy rejection, accessor-never-invoked descriptor walks, realm-side pre-rendering of thrown values, realm-built promises/arrays/error clones with structural fatal recognition): an earlier revision built all of it, and review showed the cost was real while the threat model was not — every one of those defenses guards against an author the premise already trusts, who retains an accepted unkillable event-loop spin regardless. Removed in favor of the plain boundary above; the hardened engine deletes such machinery anyway (serialization by construction). - **Background execution as the default** (CC's shape): deferred; foreground-synchronous matches `dsh-tool-subagent`'s cut, and background semantics should be designed ONCE across bash/subagent/workflow rather than per-tool. - **Workflow-layer JSON parsing for `agent({schema})`**: duplicating a seam concern at one consumer while the seam's capability flag stayed dishonestly `false`. - **Meta as tool parameters instead of `export const meta`**: zero parsing, but scripts stop being self-contained artifacts and CC-authored scripts stop being drop-in. diff --git a/packages/workflow/tool-workflow/package.json b/packages/workflow/tool-workflow/package.json index 9c3f819cb5..416b6a814f 100644 --- a/packages/workflow/tool-workflow/package.json +++ b/packages/workflow/tool-workflow/package.json @@ -35,9 +35,11 @@ "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-subagent": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "@deepseek-ai/dsh-workflow": "workspace:^", + "@deepseek-ai/dsh-workflow-vm": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts index 012fae4961..677cbbf7a9 100644 --- a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -9,6 +9,8 @@ import type { Agent } from '@deepseek-ai/dsh-agent' import { WorkflowRunId, WorkflowService } from '@deepseek-ai/dsh-workflow' import type { WorkflowResult, WorkflowRun, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' import { CallId } from '@deepseek-ai/dsh-llm' +import SubagentService from '@deepseek-ai/dsh-subagent' +import VmWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' import * as toolWorkflow from '../src/index.ts' /** A controllable engine standing in behind ctx.workflows (the tool's only seam). */ @@ -221,4 +223,33 @@ describe('dsh-tool-workflow', () => { expect(unwrapped).toBe(toolWorkflow) expect(typeof unwrapped.apply).toBe('function') }) + + describe('composition with the REAL vm engine (the mock above must stay honest)', () => { + it('an abort releases the tool even when the script parks on a promise no hook owns', async () => { + // Regression for the review-found turn wedge: the tool awaits + // run.result BEFORE its disposing finally, the registry and the loop + // await the tool — so if cancellation could not settle result (a script + // parked on `await new Promise(() => {})`), an aborted turn stayed + // wedged forever. The seam now guarantees result settles within the + // grace of cancel(); this drives that guarantee through the real + // registry + real tool + real engine. + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SubagentService) + await ctx.plugin(VmWorkflowEngine, { disposeGraceMs: 30 }) + await ctx.plugin(toolWorkflow, {}) + const parent = { id: AgentId('caller'), options: {} } as unknown as Agent + const controller = new AbortController() + const pending = execute(ctx, { + script: "export const meta = { name: 'stuck', description: 'parks forever' }\nawait new Promise(() => {})\nreturn 1", + }, { agent: parent, signal: controller.signal }) + // Give the run a beat to start (past its synchronous slice), then abort. + await new Promise(resolve => setTimeout(resolve, 20)) + controller.abort('user abort') + const result = await pending + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('cancelled') + }) + }) }) diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index b5d8817735..0ec1116cb7 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -2,21 +2,25 @@ The first [`WorkflowService`](../workflow/README.md) implementation: an in-process **`node:vm` engine**. It parses the Claude Code-format script (`export const meta = {...}` + plain-JS body), runs the body in a fresh vm context with the workflow hooks injected, and fans `agent()` calls out to [`ctx.subagents`](../../subagent/README.md). +## Trust premise + +Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. vm is NOT a security boundary and no attempt is made to contain adversarial values: property reads on script values may run script code (a getter, a `toString`, a proxy trap) on the host stack, and a script determined to hang the process can simply spin past its first await (see the limitations below). What the engine DOES guarantee, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection (the app boot layer exits the process on those), values that JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing is an engine swap behind the seam (worker-thread/isolated-vm, where the boundary is serialization by construction), not incremental host-side defenses here. + ## The script contract it executes - **Meta extraction** (`extractMeta`): a string/comment-aware brace scanner finds the leading `export const meta` literal (template interpolation rejected — the literal must be pure), evaluates it ALONE in an empty timed vm context, materializes the result to plain JSON data, validates the shape (`name`/`description` required; unknown fields rejected loud), and blanks the statement line-preservingly so error stacks keep the script's own line numbers. - **Hooks**: `agent(prompt, {label, phase, schema, model})` (schema = the [structured-output subset](../../core/tools/README.md), forwarded as `outputSchema`; result = validated object, or final text without a schema; a failed child resolves `null`), `parallel(thunks)`, `pipeline(items, ...stages)` with NO cross-stage barrier and `(prev, item, index)` stage callbacks, `phase(title)`, `log(message)`, and the `args` global. Anything else — `effort`/`isolation`/`agentType`, unknown options, malformed arguments, schemas outside the subset — throws a FATAL `WorkflowError` that `parallel`/`pipeline` re-throw rather than nulling (see the seam README's failure discipline). - **Determinism bans**: `Date.now()`, `Math.random()`, and argless `new Date()` throw (kept even though resume is deferred, so scripts stay resume-compatible); no timers, filesystem, or Node APIs exist in the context. -## Realm discipline +## The value boundary -Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a descriptor walk that never invokes accessors and rejects loud everything JSON cannot carry (accessors, exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`, and proxies — rejected via the trap-free `util.types.isProxy` BEFORE any inspection could run a realm-side trap on the host stack), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Values ENTERING the realm are realm-built throughout, so the script never holds an object whose prototype chain reaches host intrinsics: `args` and `agent()` results are rebuilt through the context's own `JSON.parse`, combinator result arrays through its `Array.from`, hook promises through its `Promise.resolve`, and a hook failure (rejection or synchronous `phase`/`log` throw) crosses as a realm-built clone carrying name/code/message/fatal — the combinators recognize fatal clones structurally, so the fatal-vs-null discipline survives the boundary. +Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Getters are read ordinarily — the RESULT is what crosses; a read that throws fails loud. Values ENTERING the realm (`args`, `agent()` results, hook promises and their failures, combinator arrays) are handed over directly as host values — the script is trusted, so host prototypes are not a leak; `args` is `structuredClone`d once at start so a script scribbling on it cannot mutate the caller's object. One script-visible consequence: an error thrown by a hook is a HOST error, so `e instanceof Error` inside the script is `false` — branch on `e.name`/`e.code` instead (the combinators recognize fatality by host `instanceof`, which a script-built object can never pass, so fatal-vs-null cannot be forged or dissolved). ## Limits, cancellation, disposal -Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection (the app boot layer exits the process on those). Thrown script values are pre-rendered to a string INSIDE the realm's execution window (the body is compiled into a realm-side catch), so a hostile `stack` getter is subject to the vm sync-slice timeout like any other script code; the host catch only descriptor-reads that string, falling back to `describeThrown` (fixed labels, own-data reads, an identity-verified host-native stack getter) — `result` cannot reject. +Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks, and a script that STILL has not settled `disposeGraceMs` after the cancel (parked on a promise no hook owns, like `await new Promise(() => {})`) is ABANDONED with `result` force-settling `cancelled` — a consumer awaiting `result` is never wedged past a cancellation. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection; thrown script values are rendered by a total host-side renderer (stack, then message, then `String()`, with a fixed label if rendering itself throws) — `result` cannot reject. -**Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): vm is NOT a security boundary — scripts are model-written, the same trust level as the model's bash access — and the vm `timeout` covers only the initial synchronous slice, so a pathological synchronous spin in realm code past that slice (an await continuation, or a thenable's `then` invoked by promise resolution) cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). A returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — and the realm-boundary guard applies to the resolution. +**Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): `start()` runs the script's initial synchronous slice inline, so the caller blocks until the first await or the vm `timeout`; that `timeout` covers ONLY the initial slice, so a synchronous spin past it (an await continuation, a thenable's `then` invoked by promise resolution, or script code the host runs while rendering a thrown value) cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). A returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — and the value-boundary guard applies to the resolution. ## Config diff --git a/packages/workflow/workflow-vm/src/index.ts b/packages/workflow/workflow-vm/src/index.ts index d0c8d8abfc..9b8c646aa9 100644 --- a/packages/workflow/workflow-vm/src/index.ts +++ b/packages/workflow/workflow-vm/src/index.ts @@ -4,25 +4,33 @@ * body in a fresh in-process vm context with the workflow hooks injected, and * fans `agent()` calls out to `ctx.subagents`. * - * Engine limitations, documented as the accepted cost of the in-process - * mechanism (the interface/implementation seam exists precisely so a - * worker-thread or isolated-vm engine can swap in if these ever matter): + * TRUST PREMISE: scripts are MODEL-WRITTEN — the same trust level as the + * model's existing bash access — so this engine defends against BUGGY + * scripts, never hostile ones. vm is NOT a security boundary and no attempt + * is made to contain adversarial values (see ./realm.ts); genuine sandboxing + * is an engine swap behind the seam (worker-thread/isolated-vm), not + * incremental host-side defenses here. * - * - vm is NOT a security boundary. Scripts are model-written — the same trust - * level as the model's bash access — and the realm-boundary materialization - * is correctness containment, not a sandbox. - * - The vm `timeout` covers only the initial SYNCHRONOUS slice of the script; - * realm code that runs past that slice — an await continuation, a - * thenable's `then` invoked by promise resolution (including one the script - * RETURNS: a returned thenable resolves per JavaScript semantics before - * materialization, which is what makes an un-awaited `return agent('x')` - * work) — is beyond the timeout, so a pathological synchronous spin there - * cannot be killed in-process. `dispose()` waits a bounded grace for the - * script to settle AND its children (stray `agent()` calls included) to - * finish disposing, then ABANDONS whatever is left: pending hook promises - * are already rejected and the script's settlement is contained (no - * unhandled rejection), but an abandoned synchronous spin would still - * occupy the event loop. + * Engine limitations, documented as the accepted cost of the in-process + * mechanism: + * + * - `start()` runs the script's initial SYNCHRONOUS slice inline, so the + * CALLER blocks on the host event loop until the script's first await (or + * the vm `timeout` kills the slice); the meta-literal evaluation has its + * own timeout budget on the same call. + * - The vm `timeout` covers only that initial slice; realm code running past + * it — an await continuation, a thenable's `then` invoked by promise + * resolution (including one the script RETURNS: a returned thenable + * resolves per JavaScript semantics before materialization, which is what + * makes an un-awaited `return agent('x')` work) — is beyond the timeout, so + * a synchronous spin there cannot be killed in-process, and neither can + * script code the host invokes while rendering a failure (a getter on a + * thrown value). `dispose()` waits a bounded grace for the script to settle + * AND its children (stray `agent()` calls included) to finish disposing, + * then ABANDONS whatever is left: pending hook promises are already + * rejected and the script's settlement is contained (no unhandled + * rejection), but an abandoned synchronous spin would still occupy the + * event loop. * * Plugin export shape: a default-exported {@link WorkflowService} subclass * (the class-based service form, like `dsh-bash-local`). @@ -55,7 +63,11 @@ export interface Config { maxItemsPerCall?: number /** vm timeout for the script's initial synchronous slice AND the meta-literal evaluation (default 5000 ms). */ syncTimeoutMs?: number - /** How long `dispose()` waits for a cancelled script to settle before abandoning it (default 5000 ms). */ + /** + * How long after a cancellation an unsettled script may keep running before + * it is abandoned and `result` force-settles `cancelled` (default 5000 ms); + * also bounds `dispose()`. + */ disposeGraceMs?: number } @@ -110,6 +122,7 @@ export class VmWorkflowEngine extends WorkflowService { maxTotalAgents: this.config.maxTotalAgents, maxItemsPerCall: this.config.maxItemsPerCall, syncTimeoutMs: this.config.syncTimeoutMs, + disposeGraceMs: this.config.disposeGraceMs, } const execution = new WorkflowExecution( this.ctx, @@ -149,9 +162,11 @@ export class VmWorkflowEngine extends WorkflowService { }, dispose: (): Promise => { // Idempotent: cancel, then wait min(settle + child quiescence, grace). - // `result` and `quiesce()` never reject, so the race needs no - // rejection handling; a script or child still unsettled past the grace - // is abandoned per the module contract. + // The cancel itself bounds `result` (the execution abandons a script + // still unsettled `disposeGraceMs` later), so this outer race exists + // for CHILD quiescence: a slow-disposing child must not hold dispose + // past the grace. `result` and `quiesce()` never reject, so the race + // needs no rejection handling. disposed ??= (async () => { execution.cancel('workflow disposed') await Promise.race([ diff --git a/packages/workflow/workflow-vm/src/meta.ts b/packages/workflow/workflow-vm/src/meta.ts index bcb891e85e..cfe3e4d381 100644 --- a/packages/workflow/workflow-vm/src/meta.ts +++ b/packages/workflow/workflow-vm/src/meta.ts @@ -20,7 +20,7 @@ import * as vm from 'node:vm' import { WorkflowError } from '@deepseek-ai/dsh-workflow' import type { WorkflowMeta, WorkflowPhase } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering, REALM_THROWN_RENDERER_SOURCE } from './realm.ts' +import { materializeFromRealm, MaterializeError, renderThrown } from './realm.ts' /** The result of {@link extractMeta}: the validated meta and the runnable body. */ export interface ExtractedScript { @@ -171,18 +171,11 @@ export function extractMeta(script: string, evalTimeoutMs: number): ExtractedScr // An EMPTY context: any non-literal reference (a variable, a call) throws // here. The result — data only — is what the contract checks; a getter or // IIFE can still run, which is why the timeout and the materialization - // below are part of the same boundary. A thrown value is pre-rendered by - // the realm-side catch INSIDE the timed window, so a hostile - // stack/message/toString can neither run on the host catch path nor - // outlive the timeout. - evaluated = vm.runInNewContext( - `(() => { try { return (${literal}) } catch (e) { throw (${REALM_THROWN_RENDERER_SOURCE})(e) } })()`, - undefined, - { timeout: evalTimeoutMs }, - ) + // below are part of the same boundary. + evaluated = vm.runInNewContext(`(${literal})`, undefined, { timeout: evalTimeoutMs }) } catch (error: unknown) { throw new WorkflowError( - `meta block failed to evaluate as a pure literal: ${thrownRendering(error) ?? describeThrown(error)}`, + `meta block failed to evaluate as a pure literal: ${renderThrown(error)}`, 'META_INVALID', { cause: error }, ) diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-vm/src/realm.ts index c1f1ff7c5c..f5a2665626 100644 --- a/packages/workflow/workflow-vm/src/realm.ts +++ b/packages/workflow/workflow-vm/src/realm.ts @@ -1,48 +1,34 @@ /** - * Realm-boundary materialization for the vm engine. + * The vm engine's value boundary: copy script-realm values into plain host + * JSON data — loud about everything JSON cannot carry — and render thrown + * script values to failure text. * - * Values produced INSIDE the script realm (the meta literal, hook arguments, - * the script's return value) must become plain host-realm JSON data before the - * host touches them. The repo's `isJsonValue` guard cannot run first: it is - * prototype-strict (any cross-realm object fails it) and it INVOKES getters - * (letting realm code run outside the vm's timed window). So this module walks - * own-property DESCRIPTORS — never invoking accessors — and copies data into - * host containers, rejecting loud everything JSON cannot carry: - * accessor properties, non-plain prototypes, functions, symbols (keys or - * values), bigints, non-finite numbers, `undefined` values, cycles, sparse - * arrays, arrays with non-index own properties, and proxies. Proxies are - * rejected via the trap-free native `util.types.isProxy` check BEFORE any - * other inspection — a descriptor walk over a proxy would otherwise run its - * realm-side traps (`ownKeys`, `getOwnPropertyDescriptor`, `getPrototypeOf`) - * on the host stack, outside the vm's timed window, and a throwing trap would - * escape as a raw realm error instead of a {@link MaterializeError}. The same - * check guards the PROTOTYPE position (an object whose prototype is a proxy). + * TRUST PREMISE (everything in this module hangs on it): workflow scripts are + * MODEL-WRITTEN, the same trust level as the model's existing bash access, so + * this boundary guards against BUGGY scripts, not hostile ones. It rejects + * loud what JSON would silently mangle — functions, symbols, bigints, + * non-finite numbers, nested `undefined`, cycles, sparse arrays, exotic + * prototypes — because accepted-then-ignored is this repo's banned failure + * mode. It does NOT defend against adversarial values: the walk reads + * properties ordinarily (a getter runs, and whatever it returns is what + * crosses), {@link renderThrown} reads `stack`/`message`/`String()` directly, + * and a proxy is walked through its traps. A hostile script gains nothing + * worth defending here — it can already occupy the event loop forever with a + * synchronous spin past the first await (the engine's documented, accepted + * limitation) — so host-side hostile-value containment would be cost without + * a threat model; genuine hardening is an ENGINE SWAP (worker/isolated-vm, + * where the boundary is serialization by construction), not incremental + * defenses here. * - * Host objects are built with `Object.defineProperty` into a fresh `{}` — - * never plain `target[key] =` assignment, which a `"__proto__"` key would turn - * into prototype mutation instead of a data property. - * - * The host→realm direction deliberately does NOT live here: a host object - * handed into the realm would expose host intrinsics through its prototype - * chain, so the engine rebuilds inbound values INSIDE the realm via the - * context's own `JSON.parse` (see the runtime). - * - * {@link REALM_THROWN_RENDERER_SOURCE}, {@link thrownRendering}, and - * {@link describeThrown} are the same discipline for the one place realm - * values reach the host WITHOUT materialization: a thrown value crossing into - * a host catch block. The renderer runs INSIDE the realm's own execution - * window (compiled into the script wrapper), so reading a hostile - * accessor/`toString` there is subject to the vm sync-slice timeout exactly - * like any other script code; the host side only descriptor-reads the - * pre-rendered string, or falls back to {@link describeThrown}, which invokes - * no getter whose function identity is not the host realm's own native stack - * getter. + * The host→realm direction needs no machinery at all: hooks hand the script + * plain host values, host prototypes included — the script is trusted. One + * consequence is documented in the engine README: an error thrown by a hook + * is a HOST error, so an in-script `instanceof Error` check is false; read + * `name`/`code`/`message` instead. * * @module @deepseek-ai/dsh-workflow-vm/realm */ -import { types } from 'node:util' - /** Thrown by {@link materializeFromRealm}; the caller wraps it into the right `WorkflowError` code. */ export class MaterializeError extends Error { constructor(public readonly path: string, public readonly reason: string) { @@ -52,154 +38,63 @@ export class MaterializeError extends Error { } /** - * Realm-SOURCE text (an arrow-function expression) the engine compiles into - * its script wrappers: `throw (RENDERER)(e)` inside a catch around the whole - * body/literal. It renders the thrown value to a string INSIDE the realm's - * own execution window — a hostile `stack`/`message` accessor or `toString` - * invoked here is subject to the vm sync-slice timeout like any other script - * code (and post-await it is the engine's accepted spin limitation, identical - * to a script reading `e.stack` in its own catch). Host `WorkflowError`s - * thrown by hooks pass through unwrapped (duck-checked by name — a realm - * forgery fails the host's `instanceof` and merely renders data-only); - * everything else becomes `{ __wfThrown: }`, whose only consumer is - * {@link thrownRendering}. Every read is individually contained, so the - * renderer itself never throws. - */ -export const REALM_THROWN_RENDERER_SOURCE = `(e) => { - try { if (e && e.name === 'WorkflowError') return e } catch { /* hostile name getter: fall through to rendering */ } - const rendered = (() => { - try { if (e && typeof e.stack === 'string' && e.stack.length > 0) return e.stack } catch { /* hostile stack getter */ } - try { if (e && typeof e.message === 'string') return e.message } catch { /* hostile message getter */ } - try { return String(e) } catch { /* hostile toString/Symbol.toPrimitive */ } - return '[unrenderable thrown value]' - })() - return { __wfThrown: rendered } -}` - -/** - * The pre-rendered failure text carried by a realm-catch wrapper object - * (`{ __wfThrown: string }` from {@link REALM_THROWN_RENDERER_SOURCE}), or - * `undefined` when `error` is not such a wrapper. Descriptor-read and - * proxy-guarded: never invokes user code. - * @param error - the value a host catch received from script execution. - * @returns the realm-rendered string, or `undefined` to fall back to - * {@link describeThrown}. - */ -export function thrownRendering(error: unknown): string | undefined { - if (typeof error !== 'object' || error === null || types.isProxy(error)) return undefined - const value = ownDataProperty(error, '__wfThrown') - return typeof value === 'string' ? value : undefined -} - -/** - * The host realm's own native `stack` getter (modern V8 makes `stack` an own - * ACCESSOR on Errors); `undefined` where it is a data property. Typed through - * a structural view of the descriptor — it is only ever identity-compared or - * `.call`ed on an explicit receiver, never invoked unbound. - */ -const HOST_STACK_GETTER: unknown = (Object.getOwnPropertyDescriptor(new Error(), 'stack') as { get?: unknown } | undefined)?.get - -/** - * Render a thrown value HOST-SIDE without ever throwing and without running - * any code the host does not own: proxies become a fixed label (trap-free - * `isProxy` before any inspection); `stack` is read as an own data descriptor, - * or through its getter ONLY when that getter's function identity is the host - * realm's own native stack getter (an unforgeable check — realm code cannot - * hold that identity, and the host realm's `prepareStackTrace` is the host's - * own trust domain); `message` is an own-data read; anything else - * object-shaped renders as `[object Object]` untouched; only primitives - * (which cannot carry code) reach `String()`. Used for host-thrown errors - * (vm timeouts, `WorkflowError`s) and as the fallback for adversarial values - * that bypassed the realm-side renderer (e.g. a hostile thenable rejection); - * ordinary script failures arrive pre-rendered via {@link thrownRendering}. + * Render a thrown value to failure text without ever throwing: prefer the + * `stack` (host or realm — a realm error's `stack` is a plain string read), + * fall back to `message`, then `String()`. Reading those properties MAY run + * script code (a getter, `toString`) — accepted under the module's trust + * premise; if that code itself throws, a fixed label is returned instead. * @param error - the thrown value, of any shape and any realm. * @returns human-readable text for the failure report; prefers the stack. */ -export function describeThrown(error: unknown): string { - switch (typeof error) { - case 'object': - break - case 'function': - return '[thrown function]' - default: - // Primitives (string/number/boolean/bigint/symbol/undefined): String() - // cannot reach user code on these. - return String(error) +export function renderThrown(error: unknown): string { + try { + const stack = (error as { stack?: unknown } | null | undefined)?.stack + if (typeof stack === 'string' && stack.length > 0) return stack + const message = (error as { message?: unknown } | null | undefined)?.message + if (typeof message === 'string' && message.length > 0) return message + return String(error) + } catch { + // A throwing accessor/toString on the thrown value — rendering must be + // total (drive()'s never-reject contract), so fall back to a fixed label. + return '[unrenderable thrown value]' } - if (error === null) return 'null' - if (types.isProxy(error)) return '[thrown proxy]' - const stack = readStack(error) - if (typeof stack === 'string' && stack.length > 0) return stack - const message = ownDataProperty(error, 'message') - if (typeof message === 'string') return message - return '[object Object]' -} - -/** - * Read `error.stack` without running foreign code: an own DATA descriptor is - * read directly; an accessor is invoked only on function identity with - * {@link HOST_STACK_GETTER} (never a realm or user function). The native - * getter returns `undefined` on a non-Error receiver rather than throwing. - */ -function readStack(error: object): unknown { - const descriptor = Object.getOwnPropertyDescriptor(error, 'stack') - if (descriptor === undefined) return undefined - if ('value' in descriptor) return descriptor.value - if (typeof descriptor.get !== 'function') return undefined - if (descriptor.get !== HOST_STACK_GETTER) return undefined - return descriptor.get.call(error) -} - -/** An own DATA property's value (`undefined` for absent or accessor); never invokes user code on a non-proxy object. */ -function ownDataProperty(value: object, key: string): unknown { - const descriptor = Object.getOwnPropertyDescriptor(value, key) - return descriptor !== undefined && 'value' in descriptor ? descriptor.value : undefined -} - -/** - * Whether `error` is a FATAL realm-built `WorkflowError` clone — the shape the - * engine's hooks reject with (host errors are translated at the realm boundary - * so the script never holds host prototypes), duck-checked because a realm - * object cannot be an `instanceof` the host class. Proxy-guarded and - * descriptor-read, so a forged object cannot run code here; a script forging - * the shape only kills its own run (self-sabotage). Combinators use this to - * decide re-throw vs per-item `null`. - * @param error - the value a combinator caught from a realm thunk/stage. - * @returns `true` when the error must propagate and kill the script. - */ -export function isFatalWorkflowErrorClone(error: unknown): boolean { - if (typeof error !== 'object' || error === null || types.isProxy(error)) return false - return ownDataProperty(error, 'name') === 'WorkflowError' && ownDataProperty(error, 'fatal') === true } /** * Whether an object's prototype chain is data-shaped: `null`, or a prototype * whose own prototype is `null` (the realm's `Object.prototype` — which we * cannot compare by identity across realms). A `Date`/`Map`/class instance - * has a longer chain and is rejected, as is a proxy sitting in the prototype - * position (checked trap-free BEFORE its own prototype is dereferenced). + * has a longer chain and is rejected. */ function hasPlainPrototype(value: object): boolean { const proto: unknown = Object.getPrototypeOf(value) if (proto === null) return true - if (types.isProxy(proto)) return false return Object.getPrototypeOf(proto) === null } /** * Copy `value` (typically from the vm realm) into plain host JSON data. * Throws {@link MaterializeError} naming the offending path for anything JSON - * cannot carry losslessly. Accessors are detected via descriptors and NEVER - * invoked. `undefined` is accepted only at the ROOT (a script with no - * `return` value) — the caller decides what it means; an `undefined` nested - * INSIDE a container is a violation. + * cannot carry losslessly. Properties are read ordinarily — a getter runs and + * its RESULT is materialized; a read that throws surfaces as a + * {@link MaterializeError} carrying the rendered failure. `undefined` is + * accepted only at the ROOT (a script with no `return` value) — the caller + * decides what it means; an `undefined` nested INSIDE a container is a + * violation. * @param value - the realm value to materialize. * @param root - the path label for the root value (error messages). * @returns the host-realm copy (plain objects/arrays/scalars only). */ export function materializeFromRealm(value: unknown, root = 'value'): unknown { if (value === undefined) return undefined - return materialize(value, root, new Set()) + try { + return materialize(value, root, new Set()) + } catch (error: unknown) { + if (error instanceof MaterializeError) throw error + // A property read ran script code that threw; total-ize it so callers can + // keep the narrow MaterializeError contract. + throw new MaterializeError(root, `reading the value threw: ${renderThrown(error)}`) + } } function materialize(value: unknown, path: string, seen: Set): unknown { @@ -214,20 +109,15 @@ function materialize(value: unknown, path: string, seen: Set): unknown { case 'bigint': throw new MaterializeError(path, 'bigints are not JSON data') case 'function': - throw new MaterializeError(path, 'functions cannot cross the workflow realm boundary') + throw new MaterializeError(path, 'functions cannot cross the workflow value boundary') case 'symbol': - throw new MaterializeError(path, 'symbols cannot cross the workflow realm boundary') + throw new MaterializeError(path, 'symbols cannot cross the workflow value boundary') case 'undefined': throw new MaterializeError(path, 'undefined is not JSON data') case 'object': break } if (value === null) return null - // BEFORE anything else touches the object: every inspection below — - // Array.isArray aside — can trigger a proxy trap, running realm code on the - // host stack (module doc). isProxy is a native internal-slot check (no - // traps, catches revoked proxies, realm-agnostic). - if (types.isProxy(value)) throw new MaterializeError(path, 'proxies cannot cross the workflow realm boundary') const objectValue: object = value if (seen.has(objectValue)) throw new MaterializeError(path, 'circular references are not JSON data') seen.add(objectValue) @@ -242,10 +132,8 @@ function materialize(value: unknown, path: string, seen: Set): unknown { function materializeArray(value: unknown[], path: string, seen: Set): unknown[] { const out: unknown[] = [] for (let index = 0; index < value.length; index++) { - const descriptor = Object.getOwnPropertyDescriptor(value, index) - if (descriptor === undefined) throw new MaterializeError(`${path}[${index}]`, 'sparse arrays are not JSON data') - if (!('value' in descriptor)) throw new MaterializeError(`${path}[${index}]`, 'accessor properties cannot cross the workflow realm boundary') - out.push(materialize(descriptor.value, `${path}[${index}]`, seen)) + if (!(index in value)) throw new MaterializeError(`${path}[${index}]`, 'sparse arrays are not JSON data') + out.push(materialize(value[index], `${path}[${index}]`, seen)) } // Own enumerable props beyond the indices (e.g. `arr.total = 3`) would be // silently dropped by JSON — reject them instead. @@ -256,7 +144,7 @@ function materializeArray(value: unknown[], path: string, seen: Set): un } } if (Object.getOwnPropertySymbols(value).length > 0) { - throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow realm boundary') + throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow value boundary') } return out } @@ -266,20 +154,16 @@ function materializeObject(value: object, path: string, seen: Set): Reco throw new MaterializeError(path, 'only plain objects and arrays are JSON data (exotic prototype)') } if (Object.getOwnPropertySymbols(value).length > 0) { - throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow realm boundary') + throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow value boundary') } const out: Record = {} - for (const [key, descriptor] of Object.entries(Object.getOwnPropertyDescriptors(value))) { - // Non-enumerable own props never reach JSON output — skip them, matching - // JSON.stringify's contract exactly (documented in the module doc). - if (!descriptor.enumerable) continue - if (!('value' in descriptor)) { - throw new MaterializeError(`${path}.${key}`, 'accessor properties cannot cross the workflow realm boundary') - } + // Object.keys = own enumerable string keys, matching JSON.stringify's + // property selection exactly (non-enumerable props never reach JSON output). + for (const key of Object.keys(value)) { // defineProperty, never assignment: a "__proto__" key must become an OWN // data property of the copy, not a prototype mutation. Object.defineProperty(out, key, { - value: materialize(descriptor.value, `${path}.${key}`, seen), + value: materialize((value as Record)[key], `${path}.${key}`, seen), enumerable: true, writable: true, configurable: true, diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index 955be94a87..7748cb2f2e 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -4,30 +4,27 @@ * concurrency semaphore and caps, cancellation, and the drive loop that turns * a script settlement into a {@link WorkflowResult}. * - * Realm discipline (see also ./realm.ts): values ENTERING the host from the - * script (hook options, schemas, the return value) are materialized via - * descriptor walks; values ENTERING the realm from the host (`args`, agent() - * results) are rebuilt INSIDE the realm through the context's own - * `JSON.parse`, so the script never holds an object whose prototype chain - * reaches host intrinsics. The same rule covers every other value a hook - * hands the script: the promises `agent`/`parallel`/`pipeline` return are - * realm promises (the realm's own `Promise.resolve` over the host promise), - * the arrays the combinators resolve to are realm-built (their ELEMENTS are - * realm values already — only the container needs rebuilding), and a hook - * failure — rejection or synchronous `phase`/`log` throw — crosses as a - * realm-built clone carrying name/code/message/fatal. Realm functions - * (pipeline stages, parallel thunks) are called, not materialized — their - * values stay realm-side. + * Value boundary (the trust premise lives in ./realm.ts): values ENTERING the + * host from the script (hook options, schemas, the return value) are + * materialized by `materializeFromRealm` — a plain walk that rejects loud + * everything JSON cannot carry. Values ENTERING the realm (`args`, `agent()` + * results, hook promises and their failures, combinator arrays) are handed + * over DIRECTLY as host values: the script is model-written and trusted, so + * host prototypes are not a leak. `args` is host-side `structuredClone`d once + * at start so a script scribbling on it cannot mutate the caller's object — + * that is a benign-bug guard, not isolation. Realm functions (pipeline + * stages, parallel thunks) are called, not materialized — their values stay + * realm-side until they cross through a hook or the final return. * * Failure discipline: fatal {@link WorkflowError}s (bad hook arguments, * unsupported options/schemas, tripped caps, seam start failures, - * cancellation) ALWAYS propagate through `parallel`/`pipeline` — they cross - * the realm boundary as fatal clones, recognized structurally — and the - * per-item `null` is reserved for child-run failures and ordinary in-stage - * script errors. Every hook-returned promise gets a no-op rejection consumer - * attached, so a script that drops a promise (fires an `agent()` without - * awaiting it) cannot surface an unhandled rejection when cancellation - * rejects it — the app boot layer exits the process on unhandled rejections. + * cancellation) ALWAYS propagate through `parallel`/`pipeline` — recognized + * by host `instanceof`, which a script cannot forge — and the per-item `null` + * is reserved for child-run failures and ordinary in-stage script errors. + * Every hook-returned promise gets a no-op rejection consumer attached, so a + * script that drops a promise (fires an `agent()` without awaiting it) cannot + * surface an unhandled rejection when cancellation rejects it — the app boot + * layer exits the process on unhandled rejections. * * @module @deepseek-ai/dsh-workflow-vm/runtime */ @@ -39,14 +36,14 @@ import type { Agent } from '@deepseek-ai/dsh-agent' import type {} from '@deepseek-ai/dsh-subagent' import { assertSupportedOutputSchema, OutputSchemaError } from '@deepseek-ai/dsh-tools' import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' -import { WorkflowError } from '@deepseek-ai/dsh-workflow' +import { isFatalWorkflowError, WorkflowError } from '@deepseek-ai/dsh-workflow' import type { WorkflowAgentEndInfo, WorkflowAgentInfo, WorkflowMeta, WorkflowResult, } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering, isFatalWorkflowErrorClone, REALM_THROWN_RENDERER_SOURCE } from './realm.ts' +import { materializeFromRealm, MaterializeError, renderThrown } from './realm.ts' /** The per-run knobs the engine resolves from its Config. */ export interface ExecutionLimits { @@ -60,6 +57,8 @@ export interface ExecutionLimits { maxItemsPerCall: number /** vm timeout for the script's initial synchronous slice. */ syncTimeoutMs: number + /** How long after `cancel()` a still-unsettled script is abandoned (result force-settles `cancelled`). */ + disposeGraceMs: number } /** The engine-side observers the execution reports progress through. */ @@ -124,13 +123,24 @@ export class WorkflowExecution { private readonly controller = new AbortController() private currentPhase: string | undefined private readonly context: vm.Context - private readonly realmJsonParse: (text: string) => unknown - private readonly realmArrayFrom: (items: unknown[]) => unknown[] - private readonly realmPromiseResolve: (value: unknown) => Promise - private readonly realmErrorClone: (name: string, code: string | undefined, message: string, fatal: boolean) => unknown private readonly compiled: vm.Script /** Every live `agent()` call promise — awaited or stray — for {@link quiesce}. */ private readonly inFlightAgents = new Set>() + /** Fires {@link abandoned}; assigned by the promise executor at field initialization. */ + private declareAbandoned!: () => void + private abandonTimer: NodeJS.Timeout | undefined + /** + * Rejects `disposeGraceMs` after {@link cancel} if the script has not + * settled by then. `drive()` races the script against it, so `result` + * ALWAYS settles within the grace of a cancellation — even when the script + * is parked on a promise no hook owns (`await new Promise(() => {})`), which + * cancellation cannot reject. Without this, a consumer awaiting `result` + * before disposing (the tool's shape) would hang forever on such a script, + * wedging its caller past any abort. + */ + private readonly abandoned = new Promise((_, reject) => { + this.declareAbandoned = () => { reject(new WorkflowError('workflow script abandoned after the cancellation grace', 'CANCELLED')) } + }) constructor( private readonly ctx: Context, @@ -144,61 +154,34 @@ export class WorkflowExecution { ) { // Compile FIRST: a body syntax error must throw out of the constructor // (the engine maps it to SCRIPT_PARSE) before any realm state exists. - // The body is wrapped in a realm-side catch that pre-renders any thrown - // value to a string (see REALM_THROWN_RENDERER_SOURCE) — rendering happens - // inside the realm's own execution window, never on a host catch path. // lineOffset compensates for the wrapper line, so stack traces carry the // script's own line numbers (the meta statement was blanked, not removed). try { - this.compiled = new vm.Script( - `(async () => { try {\n${body}\n} catch (e) { throw (${REALM_THROWN_RENDERER_SOURCE})(e) } })()`, - { - filename: `workflow:${meta.name}`, - lineOffset: -1, - }, - ) + this.compiled = new vm.Script(`(async () => {\n${body}\n})()`, { + filename: `workflow:${meta.name}`, + lineOffset: -1, + }) } catch (error: unknown) { throw new WorkflowError(`workflow script does not parse: ${String(error)}`, 'SCRIPT_PARSE', { cause: error }) } this.context = vm.createContext({}, { name: `workflow:${meta.name}` }) vm.runInContext(DETERMINISM_PRELUDE, this.context) - // The realm's own JSON.parse — the host→realm rebuild channel. - const realmJson = vm.runInContext('JSON', this.context) as { parse(text: string): unknown } - this.realmJsonParse = (text: string) => realmJson.parse(text) - // The realm's own Array.from / Promise.resolve / an error factory, bound - // NOW so a script reassigning its globals later cannot swap them: - // combinator results must be realm arrays, hook promises realm promises, - // and hook failures realm-built clones. - this.realmArrayFrom = vm.runInContext('Array.from.bind(Array)', this.context) as (items: unknown[]) => unknown[] - this.realmPromiseResolve = vm.runInContext('Promise.resolve.bind(Promise)', this.context) as (value: unknown) => Promise - this.realmErrorClone = vm.runInContext(`(name, code, message, fatal) => { - const error = new Error(message) - error.name = name - if (code !== undefined) error.code = code - error.fatal = fatal - return error - }`, this.context) as (name: string, code: string | undefined, message: string, fatal: boolean) => unknown + // A run that settles without ever being abandoned leaves `abandoned` + // permanently pending or rejecting into the void — consume it so a late + // grace timer cannot surface an unhandled rejection. + void this.contain(this.abandoned) const globals: Record = { - agent: (prompt: unknown, opts?: unknown) => this.realmFacing(this.track(this.agent(prompt, opts))), - parallel: (thunks: unknown) => this.realmFacing(this.parallel(thunks)), - pipeline: (items: unknown, ...stages: unknown[]) => this.realmFacing(this.pipeline(items, stages)), - phase: (title: unknown) => { - try { - this.phase(title) - } catch (error: unknown) { - throw this.toRealmError(error) - } - }, - log: (message: unknown) => { - try { - this.log(message) - } catch (error: unknown) { - throw this.toRealmError(error) - } - }, - args: this.toRealm(args), + agent: (prompt: unknown, opts?: unknown) => this.contain(this.track(this.agent(prompt, opts))), + parallel: (thunks: unknown) => this.contain(this.parallel(thunks)), + pipeline: (items: unknown, ...stages: unknown[]) => this.contain(this.pipeline(items, stages)), + phase: (title: unknown) => { this.phase(title) }, + log: (message: unknown) => { this.log(message) }, + // Host-side clone: a script scribbling on args must not mutate the + // caller's object (a benign-bug guard; args is plain JSON by the seam + // contract, so structuredClone is total here and throws loud otherwise). + args: args === undefined ? undefined : structuredClone(args), } for (const [key, value] of Object.entries(globals)) { // Data properties on the contextified global; frozen shape not required — @@ -226,7 +209,10 @@ export class WorkflowExecution { /** * Cancel the run: children abort (the shared signal), waiting `agent()` * slots reject, and every future hook call throws `CANCELLED` — the script - * dies at its next await. Idempotent; the first reason wins. + * dies at its next await. A script that STILL has not settled after + * `disposeGraceMs` (parked on a promise no hook owns) is abandoned so + * `result` settles regardless (see {@link abandoned}). Idempotent; the + * first reason wins. */ cancel(reason?: string): void { if (this.cancelReason !== undefined) return @@ -234,14 +220,18 @@ export class WorkflowExecution { this.cancelError = new WorkflowError(`workflow run cancelled: ${this.cancelReason}`, 'CANCELLED') this.controller.abort(this.cancelReason) for (const waiter of this.slotWaiters.splice(0)) waiter.reject(this.cancelledError()) + this.abandonTimer = setTimeout(() => { this.declareAbandoned() }, this.limits.disposeGraceMs) + // unref'd: an armed grace timer must never hold the process open. + this.abandonTimer.unref() } /** * Run the script to settlement. Resolves — never rejects — with the run's * {@link WorkflowResult}: the materialized return value on `completed`, the * failure message on `error`, and `cancelled` when the script died of - * cancellation. After settlement, any stray children a script fired without - * awaiting are aborted (their `agent()` wrappers dispose them). + * cancellation (or outlived its post-cancel grace and was abandoned — see + * {@link abandoned}). After settlement, any stray children a script fired + * without awaiting are aborted (their `agent()` wrappers dispose them). */ async drive(): Promise { try { @@ -249,7 +239,9 @@ export class WorkflowExecution { // the script must not execute at all, let alone report `completed`. if (this.isCancelled()) throw this.cancelledError() const scriptPromise = this.compiled.runInContext(this.context, { timeout: this.limits.syncTimeoutMs }) as Promise - const raw: unknown = await this.contain(Promise.resolve(scriptPromise)) + // The race is the result-settles-after-cancel guarantee: a parked + // script loses to the abandon channel once the grace expires. + const raw: unknown = await Promise.race([this.contain(Promise.resolve(scriptPromise)), this.abandoned]) // Cancelled while the body ran: a script that settled without touching // another hook (or without any) must still report `cancelled` — the // holder asked for cancellation and `completed` would be a lie. @@ -258,25 +250,23 @@ export class WorkflowExecution { return { value, stopReason: 'completed', agentsStarted: this.started } } catch (error: unknown) { // Any failure after cancel() reports `cancelled` with the canonical - // reason — the reject path mirrors the resolve path's post-settle - // check, and a hook CANCELLED failure crosses the realm boundary as a - // clone that deliberately fails the host `instanceof`. + // reason — the reject path mirrors the resolve path's post-settle check. if (this.isCancelled()) { return { value: null, stopReason: 'cancelled', error: this.cancelledError().message, agentsStarted: this.started } } - // Ordinary script failures arrive pre-rendered by the realm-side catch - // (thrownRendering); host-thrown errors (a vm timeout, a WorkflowError) - // and adversarial values that bypassed the wrapper (e.g. a hostile - // thenable rejection) render via the total, host-code-only - // describeThrown. Neither path can throw — drive() resolving is the - // `result` never-rejects seam contract. - return { value: null, stopReason: 'error', error: thrownRendering(error) ?? describeThrown(error), agentsStarted: this.started } + // renderThrown is total (host- and realm-thrown values alike), so this + // arm cannot throw — drive() resolving is the `result` never-rejects + // seam contract. + return { value: null, stopReason: 'error', error: renderThrown(error), agentsStarted: this.started } } finally { // Reap strays: a script that fired agent() calls without awaiting them // leaves live children behind after settlement — abort them all. (The // per-call wrappers dispose each child; the contain() consumer keeps // their rejections from going unhandled.) if (this.cancelReason === undefined) this.cancel('workflow settled') + // drive() settling means nothing is left to abandon — including the + // timer the self-cancel above just armed. + if (this.abandonTimer !== undefined) clearTimeout(this.abandonTimer) } } @@ -291,37 +281,6 @@ export class WorkflowExecution { return promise } - /** - * Hand a hook's host promise to the script as a REALM promise (the realm's - * own `Promise.resolve` assimilates it) whose failure reason is a - * realm-built clone — the script must never hold host prototypes, and both - * the promise object and a caught rejection would otherwise expose them - * (module doc). The realm promise gets the same no-op rejection consumer as - * {@link contain}, since the script may drop it; the intermediate host - * promises are handled by the assimilation chain itself. - */ - private realmFacing(hostPromise: Promise): Promise { - const translated = hostPromise.catch((error: unknown) => { - throw this.toRealmError(error) - }) - const realmPromise = this.realmPromiseResolve(translated) - realmPromise.catch(() => { /* consumed: a script-dropped realm promise must not surface an unhandled rejection (see contain) */ }) - return realmPromise - } - - /** - * Rebuild a host failure as a realm-built error clone: a `WorkflowError` - * keeps its name/code/message/fatal (the combinators recognize the shape - * via {@link isFatalWorkflowErrorClone}); anything else becomes a generic - * realm `Error` carrying its {@link describeThrown} rendering. - */ - private toRealmError(error: unknown): unknown { - if (error instanceof WorkflowError) { - return this.realmErrorClone('WorkflowError', error.code, error.message, error.fatal) - } - return this.realmErrorClone('Error', undefined, describeThrown(error), false) - } - /** * Register one `agent()` call promise for {@link quiesce} tracking; the * entry drops when the call fully settles (which is AFTER its child's @@ -354,14 +313,6 @@ export class WorkflowExecution { return this.cancelError ?? new WorkflowError('workflow run cancelled', 'CANCELLED') } - /** Rebuild a host value inside the script realm (via the realm's own JSON.parse). */ - private toRealm(value: unknown): unknown { - if (value === undefined) return undefined - if (value === null) return null - if (typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean') return value - return this.realmJsonParse(JSON.stringify(value)) - } - /** Materialize the script's return value; violations become RESULT_UNSERIALIZABLE. */ private materializeResult(raw: unknown): unknown { try { @@ -453,7 +404,7 @@ export class WorkflowExecution { return null } this.observer.agentEnd({ ...info, outcome: 'completed' }) - return this.toRealm(result.structured) + return result.structured } this.observer.agentEnd({ ...info, outcome: 'completed' }) return outputText(result.output) @@ -532,20 +483,17 @@ export class WorkflowExecution { } return thunk as () => unknown }) - const settled = await Promise.all(thunks.map(async (thunk) => { + return Promise.all(thunks.map(async (thunk) => { try { return await thunk() } catch (error: unknown) { - // Hooks translate host errors at the realm boundary, so a fatal error - // reaches a thunk catch only as a realm clone (a script forging the - // shape merely kills its own run). - if (isFatalWorkflowErrorClone(error)) throw error + // Hook failures are host WorkflowErrors; a fatal one is recognized by + // host `instanceof` — a script-built object can never pass it, so + // fatality cannot be forged (nor accidentally dissolved). + if (isFatalWorkflowError(error)) throw error return null } })) - // The container must be a REALM array (module doc); the elements are - // realm values already. - return this.realmArrayFrom(settled) } /** The `pipeline(items, ...stages)` hook: per-item stage chains, NO cross-stage barrier. */ @@ -563,7 +511,7 @@ export class WorkflowExecution { } return stage as (previous: unknown, item: unknown, index: number) => unknown }) - const settled = await Promise.all(rawItems.map(async (item: unknown, index) => { + return Promise.all(rawItems.map(async (item: unknown, index) => { let value: unknown = item try { for (const stage of stages) { @@ -572,15 +520,12 @@ export class WorkflowExecution { return value } catch (error: unknown) { // An ordinary stage throw drops the ITEM to null and skips its - // remaining stages; a fatal error (a realm clone — see parallel()) - // kills the whole script. - if (isFatalWorkflowErrorClone(error)) throw error + // remaining stages; a fatal host WorkflowError (see parallel()) kills + // the whole script. + if (isFatalWorkflowError(error)) throw error return null } })) - // The container must be a REALM array (module doc); the elements are - // realm values already. - return this.realmArrayFrom(settled) } private assertItemCap(length: number, hook: string): void { diff --git a/packages/workflow/workflow-vm/tests/meta.spec.ts b/packages/workflow/workflow-vm/tests/meta.spec.ts index a957b0ae05..02daa02940 100644 --- a/packages/workflow/workflow-vm/tests/meta.spec.ts +++ b/packages/workflow/workflow-vm/tests/meta.spec.ts @@ -103,29 +103,19 @@ return 2` }) it('rejects a literal evaluating to non-JSON data (META_INVALID via materialization)', () => { - const error = bad('export const meta = { name: "x", description: "d", phases: [{ get title() { return "t" } }] }') + const error = bad('export const meta = { name: "x", description: "d", whenToUse: () => 1 }') expect(error.code).toBe('META_INVALID') expect(error.message).toContain('JSON data') }) - it('rejects a meta literal containing a proxy as META_INVALID — its traps never run', () => { - // bad() rethrows anything that is not a WorkflowError, so a trap firing - // ('trap ran') would fail this test instead of mapping to META_INVALID. - const error = bad('export const meta = { name: "x", description: "d", phases: new Proxy([], { getPrototypeOf() { throw new Error("trap ran") } }) }') - expect(error.code).toBe('META_INVALID') - expect(error.message).toContain('proxies cannot cross') - }) - - it('a meta expression THROWING a hostile value maps to META_INVALID — rendering stays realm-side', () => { - // bad() rethrows anything that is not a WorkflowError, so a hostile value - // escaping the realm-side renderer raw would fail this test. - const error = bad('export const meta = { name: (() => { throw { get stack() { throw new Error("boom") }, toString() { throw new Error("boom") } } })(), description: "d" }\nreturn 1') + it('a meta expression that THROWS maps to META_INVALID carrying the rendered value', () => { + const error = bad('export const meta = { name: (() => { throw "nope" })(), description: "d" }\nreturn 1') expect(error.code).toBe('META_INVALID') expect(error.message).toContain('pure literal') - expect(error.message).toContain('[unrenderable thrown value]') + expect(error.message).toContain('nope') }) - it('a spinning meta expression (even inside a thrown stack getter) dies by the eval timeout', () => { + it('a spinning meta expression dies by the eval timeout', () => { try { extractMeta('export const meta = { name: (() => { while (true) {} })(), description: "d" }', 50) throw new Error('expected the extraction to time out') diff --git a/packages/workflow/workflow-vm/tests/realm.spec.ts b/packages/workflow/workflow-vm/tests/realm.spec.ts index c1bdeb33d6..769a19aa71 100644 --- a/packages/workflow/workflow-vm/tests/realm.spec.ts +++ b/packages/workflow/workflow-vm/tests/realm.spec.ts @@ -1,6 +1,6 @@ import { describe, expect, it } from 'vitest' import * as vm from 'node:vm' -import { materializeFromRealm, MaterializeError, describeThrown, thrownRendering } from '../src/realm.ts' +import { materializeFromRealm, MaterializeError, renderThrown } from '../src/realm.ts' /** Evaluate an expression inside a fresh vm realm and hand back the raw realm value. */ function inRealm(expression: string): unknown { @@ -35,17 +35,21 @@ describe('materializeFromRealm', () => { expect(rejection(inRealm('{ a: undefined }'))).toContain('value.a') }) - it('never invokes accessors: a counting getter is rejected, not read', () => { + it('invokes getters ordinarily — the getter RESULT is what crosses (trust premise)', () => { const counter = inRealm(` (() => { globalThis.reads = 0 - return { get x() { globalThis.reads += 1; return 1 } } + return { get x() { globalThis.reads += 1; return globalThis.reads } } })() `) - expect(rejection(counter)).toContain('accessor properties cannot cross') - // The getter body never ran — descriptor inspection only. - expect((counter as { x?: unknown }).x).toBe(1) // sanity: reading DOES run it… - expect(rejection(counter)).toContain('accessor') // …but materialization still never did + expect(materializeFromRealm(counter)).toEqual({ x: 1 }) + }) + + it('a getter that THROWS surfaces as a MaterializeError carrying the rendered failure', () => { + const hostile = inRealm("{ get x() { throw new Error('read failed') } }") + const message = rejection(hostile) + expect(message).toContain('reading the value threw') + expect(message).toContain('read failed') }) it('a "__proto__" key becomes an OWN data property of the copy, never a prototype mutation', () => { @@ -81,39 +85,18 @@ describe('materializeFromRealm', () => { expect(materializeFromRealm(inRealm('Object.assign(Object.create(null), { a: 1 })'))).toEqual({ a: 1 }) }) - it('rejects proxies (root, nested, revoked, host-realm) WITHOUT running any trap', () => { - const trapped = inRealm(`new Proxy({ a: 1 }, { - ownKeys() { throw new Error('trap ran') }, - getOwnPropertyDescriptor() { throw new Error('trap ran') }, - getPrototypeOf() { throw new Error('trap ran') }, - })`) - // A trap firing would surface 'trap ran' (a non-MaterializeError) instead. - expect(rejection(trapped)).toContain('proxies cannot cross') - expect(rejection(inRealm('{ nested: new Proxy([], {}) }'))).toContain('value.nested') - const revoked = inRealm('(() => { const r = Proxy.revocable({}, {}); r.revoke(); return r.proxy })()') - expect(rejection(revoked)).toContain('proxies cannot cross') - expect(rejection(new Proxy({}, {}))).toContain('proxies cannot cross') - }) - - it('rejects an object whose PROTOTYPE is a proxy without dereferencing through it', () => { - const value = inRealm(`Object.create(new Proxy({}, { - getPrototypeOf() { throw new Error('trap ran') }, - }))`) - expect(rejection(value)).toContain('exotic prototype') - }) - it('rejects cycles and accepts the same object reused as a sibling (a DAG)', () => { expect(rejection(inRealm('(() => { const o = {}; o.self = o; return o })()'))).toContain('circular') const dag = inRealm('(() => { const leaf = { v: 1 }; return { a: leaf, b: leaf } })()') expect(materializeFromRealm(dag)).toEqual({ a: { v: 1 }, b: { v: 1 } }) }) - it('rejects sparse arrays, accessor elements, and non-index array properties', () => { + it('rejects sparse arrays and non-index array properties; an array getter element materializes its value', () => { expect(rejection(inRealm('[1, , 3]'))).toContain('sparse') - expect(rejection(inRealm('(() => { const a = [1]; Object.defineProperty(a, 0, { get: () => 1 }); return a })()'))) - .toContain('accessor') expect(rejection(inRealm('(() => { const a = [1]; a.total = 3; return a })()'))) .toContain('non-index') + expect(materializeFromRealm(inRealm('(() => { const a = [1]; Object.defineProperty(a, 0, { get: () => 7, enumerable: true }); return a })()'))) + .toEqual([7]) }) it('skips non-enumerable own properties (matching JSON.stringify exactly)', () => { @@ -134,45 +117,29 @@ describe('materializeFromRealm', () => { }) }) -describe('describeThrown (host-side thrown-value rendering)', () => { - it('renders a HOST Error via its identity-verified native stack getter', () => { - const error = new Error('host failure') - const rendered = describeThrown(error) - expect(rendered).toContain('host failure') - expect(rendered).toContain('at ') // a real stack, not just the message - }) - - it('never invokes a REALM error stack getter (identity mismatch) — message renders instead', () => { +describe('renderThrown', () => { + it('prefers the stack, for host and realm errors alike', () => { + const host = renderThrown(new Error('host failure')) + expect(host).toContain('host failure') + expect(host).toContain('at ') // a real stack, not just the message const realmError: unknown = vm.runInNewContext('(() => { try { throw new Error("realm failure") } catch (e) { return e } })()') - expect(describeThrown(realmError)).toBe('realm failure') + expect(renderThrown(realmError)).toContain('realm failure') }) - it('reads a data-property stack directly and falls through a setter-only accessor', () => { - expect(describeThrown({ stack: 'data stack' })).toBe('data stack') - const setterOnly = { message: 'via message' } - Object.defineProperty(setterOnly, 'stack', { set() { /* swallow */ } }) - expect(describeThrown(setterOnly)).toBe('via message') + it('falls back from stack to message to String()', () => { + expect(renderThrown({ stack: 'custom data stack' })).toBe('custom data stack') + const stackless = new Error('stackless failure') + delete stackless.stack + expect(renderThrown(stackless)).toBe('stackless failure') + expect(renderThrown({ code: 42 })).toBe('[object Object]') + expect(renderThrown('plain')).toBe('plain') + expect(renderThrown(42)).toBe('42') + expect(renderThrown(undefined)).toBe('undefined') + expect(renderThrown(null)).toBe('null') }) - it('labels proxies and functions without touching them; primitives stringify', () => { - expect(describeThrown(new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('trap ran') } }))).toBe('[thrown proxy]') - expect(describeThrown(() => 1)).toBe('[thrown function]') - expect(describeThrown('plain')).toBe('plain') - expect(describeThrown(42)).toBe('42') - expect(describeThrown(undefined)).toBe('undefined') - expect(describeThrown(null)).toBe('null') - expect(describeThrown({ code: 42 })).toBe('[object Object]') - }) -}) - -describe('thrownRendering (the realm-catch wrapper reader)', () => { - it('extracts the pre-rendered string from a wrapper and nothing else', () => { - expect(thrownRendering({ __wfThrown: 'rendered text' })).toBe('rendered text') - expect(thrownRendering({ __wfThrown: 42 })).toBeUndefined() - expect(thrownRendering({ other: 'x' })).toBeUndefined() - expect(thrownRendering(new Error('plain'))).toBeUndefined() - expect(thrownRendering('string')).toBeUndefined() - expect(thrownRendering(null)).toBeUndefined() - expect(thrownRendering(new Proxy({ __wfThrown: 'forged' }, { getOwnPropertyDescriptor() { throw new Error('trap ran') } }))).toBeUndefined() + it('is total: a value whose accessors/toString throw renders as a fixed label', () => { + expect(renderThrown({ get stack() { throw new Error('nope') } })).toBe('[unrenderable thrown value]') + expect(renderThrown({ [Symbol.toPrimitive]() { throw new Error('nope') } })).toBe('[unrenderable thrown value]') }) }) diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index d87d571295..e362ed6ef0 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -289,22 +289,13 @@ describe('dsh-workflow-vm', () => { () => agent('fine'), () => 'plain value', () => { throw 'string throw' }, - () => { throw new Proxy({ name: 'WorkflowError', fatal: true }, {}) }, - () => { throw { name: 'WorkflowError', fatal: 'forged-but-not-true' } }, + () => { throw { name: 'WorkflowError', fatal: true, message: 'forged fatal' } }, ]) `)) - // The last three probe the fatal-clone recognition: a non-object, a - // proxy (never inspected), and a shape miss are all ordinary nulls. - expect(result.value).toEqual([null, 'stub reply', 'plain value', null, null, null]) - }) - - it('a script forging a fatal clone kills only its own run (self-sabotage, not a bypass)', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - return await parallel([() => { throw { name: 'WorkflowError', fatal: true, message: 'forged fatal' } }]) - `)) - expect(result.stopReason).toBe('error') - expect(result.error).toContain('forged fatal') + // The last entry probes fatality: it is recognized by host instanceof, + // which a script-built object can never pass — a WorkflowError-SHAPED + // throw is an ordinary null, and real fatality cannot be forged. + expect(result.value).toEqual([null, 'stub reply', 'plain value', null, null]) }) it('FATAL errors propagate through parallel AND pipeline instead of dissolving into null', async () => { @@ -386,11 +377,12 @@ describe('dsh-workflow-vm', () => { expect((await run(ctx, parent, script("return await agent('p', { effort: 'high' })"))).error).toContain('"effort" is deferred') }) - it('rejects options that are not plain JSON data (an accessor smuggled into opts)', async () => { + it('rejects options whose property reads throw (materialization is loud, not silent)', async () => { const { ctx, parent } = await setup() - const result = await run(ctx, parent, script("return await agent('p', { get label() { return 'x' } })")) + const result = await run(ctx, parent, script("return await agent('p', { get label() { throw new Error('read failed') } })")) expect(result.stopReason).toBe('error') expect(result.error).toContain('options must be plain JSON data') + expect(result.error).toContain('read failed') }) it('validates phase() and log() arguments loudly', async () => { @@ -416,7 +408,7 @@ describe('dsh-workflow-vm', () => { }) }) - describe('determinism bans and realm isolation', () => { + describe('determinism bans and the value boundary', () => { it('Date.now, Math.random, and argless new Date throw; parameterized Date stays usable', async () => { const { ctx, parent } = await setup() expect((await run(ctx, parent, script('return Date.now()'))).error).toContain('Date.now() is not available') @@ -426,18 +418,16 @@ describe('dsh-workflow-vm', () => { expect(ok.value).toBe(0) }) - it('args cross into the realm as data: mutating them (or their prototype chain) cannot reach host intrinsics', async () => { + it('args are cloned at start: a script scribbling on them cannot mutate the caller\'s object', async () => { const { ctx, parent } = await setup() const hostArgs = { files: ['a.ts'], nested: { deep: [1, 2] } } const result = await run(ctx, parent, script(` args.files.push('b.ts') - Object.getPrototypeOf(args).polluted = 'realm-only' return { count: args.files.length, deep: args.nested.deep[1] } `), hostArgs) expect(result.value).toEqual({ count: 2, deep: 2 }) - // The host copy is untouched, and the HOST Object.prototype was never reachable. + // The caller's object is untouched (the engine cloned args host-side). expect(hostArgs.files).toEqual(['a.ts']) - expect(({} as Record).polluted).toBeUndefined() }) it('scalar/null args pass through directly; absent args leave the global undefined', async () => { @@ -447,51 +437,24 @@ describe('dsh-workflow-vm', () => { expect((await run(ctx, parent, script('return typeof args'))).value).toBe('undefined') }) - it('hook promises are REALM promises: instanceof holds in-script, host Promise.prototype stays unreachable', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - const p = agent('x') - const par = parallel([() => 'v']) - const pipe = pipeline([1], (n) => n) - Object.getPrototypeOf(p).wfLeakProbe = 'realm-only' - return { - agentIsRealmPromise: p instanceof Promise, - parallelIsRealmPromise: par instanceof Promise, - pipelineIsRealmPromise: pipe instanceof Promise, - value: await p, - } - `)) - expect(result.stopReason).toBe('completed') - expect(result.value).toEqual({ - agentIsRealmPromise: true, - parallelIsRealmPromise: true, - pipelineIsRealmPromise: true, - value: 'stub reply', - }) - expect((Promise.prototype as unknown as Record).wfLeakProbe).toBeUndefined() - delete (Promise.prototype as unknown as Record).wfLeakProbe - }) - - it('hook failures cross the boundary as realm-built WorkflowError clones', async () => { + it('hook failures reach the script as HOST WorkflowErrors: fields readable, in-realm instanceof Error is false', async () => { const { ctx, parent } = await setup() const result = await run(ctx, parent, script(` try { await agent('p', { bogus: true }) return 'unreachable' } catch (e) { - Object.getPrototypeOf(Object.getPrototypeOf(e)).wfErrLeakProbe = 'realm-only' + // The documented consequence of the trust premise: hook errors are + // host objects, so realm instanceof is false — read the fields. return { isRealmError: e instanceof Error, name: e.name, code: e.code, fatal: e.fatal, message: e.message } } `)) expect(result.stopReason).toBe('completed') - expect(result.value).toMatchObject({ isRealmError: true, name: 'WorkflowError', code: 'UNSUPPORTED_OPTION', fatal: true }) + expect(result.value).toMatchObject({ isRealmError: false, name: 'WorkflowError', code: 'UNSUPPORTED_OPTION', fatal: true }) expect((result.value as { message: string }).message).toContain('"bogus" is not recognized') - // The script mutated its error's prototype CHAIN — host intrinsics untouched. - expect((Object.prototype as unknown as Record).wfErrLeakProbe).toBeUndefined() - expect((Error.prototype as unknown as Record).wfErrLeakProbe).toBeUndefined() }) - it('a non-WorkflowError host failure (a rejecting provider result) crosses as a generic realm clone', async () => { + it('a non-WorkflowError host failure (a rejecting provider result) reaches the script raw', async () => { const ctx = new Context() await ctx.plugin(SubagentService) const provider: SubagentProvider = { @@ -507,68 +470,34 @@ describe('dsh-workflow-vm', () => { ctx.subagents.registerProvider(provider) await ctx.plugin(VmWorkflowEngine, { provider: 'rejecting' }) const result = await run(ctx, fakeParent(), script(` - try { await agent('p'); return 'unreachable' } catch (e) { return { isRealmError: e instanceof Error, name: e.name, message: e.message } } + try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, message: e.message } } `)) - expect(result.value).toMatchObject({ isRealmError: true, name: 'Error' }) + expect(result.value).toMatchObject({ name: 'Error' }) expect((result.value as { message: string }).message).toContain('backend exploded') }) - it('phase()/log() synchronous throws cross as realm clones too', async () => { + it('phase()/log() throw host WorkflowErrors synchronously on misuse', async () => { const { ctx, parent } = await setup() const result = await run(ctx, parent, script(` try { phase(3) } catch (e) { - if (!(e instanceof Error) || e.name !== 'WorkflowError') throw e + if (e.name !== 'WorkflowError') throw e } try { log(3) } catch (e) { - return { isRealmError: e instanceof Error, name: e.name, message: e.message } + return { name: e.name, message: e.message } } `)) - expect(result.value).toMatchObject({ isRealmError: true, name: 'WorkflowError' }) + expect(result.value).toMatchObject({ name: 'WorkflowError' }) expect((result.value as { message: string }).message).toContain('log() requires') }) - it('parallel/pipeline resolve to REALM arrays: instanceof holds in-script, host intrinsics stay unreachable', async () => { + it('a returned value whose property reads throw fails loud as RESULT_UNSERIALIZABLE', async () => { const { ctx, parent } = await setup() const result = await run(ctx, parent, script(` - const fromParallel = await parallel([() => agent('a'), () => 'plain']) - const fromPipeline = await pipeline([1], (prev) => prev + 1) - Object.getPrototypeOf(fromParallel).polluted = 'realm-only' - return { - parallelIsRealmArray: fromParallel instanceof Array, - pipelineIsRealmArray: fromPipeline instanceof Array, - values: [fromParallel[1], fromPipeline[0]], - } - `)) - expect(result.stopReason).toBe('completed') - expect(result.value).toEqual({ - parallelIsRealmArray: true, - pipelineIsRealmArray: true, - values: ['plain', 2], - }) - // The script's prototype mutation stayed realm-side: the HOST - // Array.prototype was never reachable through a combinator result. - expect(([] as unknown as Record).polluted).toBeUndefined() - }) - - it('a returned proxy is rejected as RESULT_UNSERIALIZABLE without running its traps', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - return new Proxy({ a: 1 }, { ownKeys() { throw new Error('trap ran') } }) + return { get a() { throw new Error('read failed') } } `)) expect(result.stopReason).toBe('error') expect(result.error).toContain('not plain JSON data') - expect(result.error).toContain('proxies cannot cross') - expect(result.error).not.toContain('trap ran') - }) - - it('agent() options passed as a proxy are rejected loudly, traps never invoked', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - return await agent('p', new Proxy({}, { ownKeys() { throw new Error('trap ran') } })) - `)) - expect(result.stopReason).toBe('error') - expect(result.error).toContain('options must be plain JSON data') - expect(result.error).not.toContain('trap ran') + expect(result.error).toContain('read failed') }) it('a non-JSON return value fails loud as RESULT_UNSERIALIZABLE', async () => { @@ -696,60 +625,6 @@ describe('dsh-workflow-vm', () => { expect(result.error).toBe('[object Object]') }) - it('hostile thrown values render realm-side: result NEVER rejects, no unhandled rejection', async () => { - const unhandled: unknown[] = [] - const onUnhandled = (reason: unknown): void => { unhandled.push(reason) } - process.on('unhandledRejection', onUnhandled) - try { - const { ctx, parent } = await setup() - // Each thrown value runs code (or throws) when rendered — the realm - // wrapper renders it INSIDE script execution, and the host catch only - // ever descriptor-reads the pre-rendered string. - const cases: [string, string][] = [ - ["throw { get stack() { throw new Error('stack getter threw') } }", '[object Object]'], - ["throw { get stack() { throw new Error('x') }, message: 'getter threw, message renders' }", 'getter threw, message renders'], - ["throw { get message() { throw new Error('message getter threw') } }", '[object Object]'], - ["throw { stack: 'custom data stack' }", 'custom data stack'], - ["throw (() => { const o = { message: 'setter-only stack' }; Object.defineProperty(o, 'stack', { set() {} }); return o })()", 'setter-only stack'], - ["throw new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('gopd trap threw') } })", '[object Object]'], - ["throw { [Symbol.toPrimitive]() { throw new Error('toPrimitive threw') } }", '[unrenderable thrown value]'], - ['throw () => 1', '() => 1'], - ['throw null', 'null'], - ] - for (const [body, rendered] of cases) { - const result = await run(ctx, parent, script(body)) - expect(result.stopReason).toBe('error') - expect(result.error).toBe(rendered) - } - // Let any stray rejection reach the process hook before asserting. - await new Promise(resolve => setTimeout(resolve, 20)) - expect(unhandled).toEqual([]) - } finally { - process.off('unhandledRejection', onUnhandled) - } - }) - - it('a synchronous spin hidden in a thrown stack getter dies by the vm timeout, not on the host', async () => { - const { ctx, parent } = await setup({ config: { provider: 'stub', syncTimeoutMs: 50 } }) - // The realm-side renderer reads e.stack INSIDE the timed sync slice, so - // the spin is killed exactly like a plain `while (true) {}` body. - const result = await run(ctx, parent, script('throw { get stack() { while (true) {} } }')) - expect(result.stopReason).toBe('error') - expect(result.error?.toLowerCase()).toContain('timed out') - }) - - it('a hostile thenable rejection that bypasses the realm wrapper renders host-side, data-only', async () => { - const { ctx, parent } = await setup() - // Returning a thenable makes the host unwrap it AFTER the script - // settled — its rejection value skips the realm catch entirely and hits - // drive()'s catch raw. The proxy must be labelled, its traps never run. - const result = await run(ctx, parent, script(` - return { then(_resolve, reject) { reject(new Proxy({}, { getOwnPropertyDescriptor() { throw new Error('trap ran') } })) } } - `)) - expect(result.stopReason).toBe('error') - expect(result.error).toBe('[thrown proxy]') - }) - it('falls back to the message for an Error whose stack was stripped', async () => { const { ctx, parent } = await setup() const result = await run(ctx, parent, script(` @@ -803,18 +678,43 @@ describe('dsh-workflow-vm', () => { } }) - it('dispose() abandons a stuck script after the grace instead of hanging (result stays pending)', async () => { + it('cancel() force-settles the result of a script parked on a promise no hook owns', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) + const handle = ctx.workflows.start({ + // No hooks involved: an unsettleable await cancellation cannot reject + // — the abandon grace is the only thing that can settle this run. + script: script("await new Promise(() => {})\nreturn 'unreachable'"), + parent, + }) + handle.cancel('user aborted') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('user aborted') + await handle.dispose() + }) + + it('a never-settling returned thenable is abandoned the same way', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) + const handle = ctx.workflows.start({ script: script('return { then() {} }'), parent }) + handle.cancel() + expect((await handle.result).stopReason).toBe('cancelled') + await handle.dispose() + }) + + it('dispose() abandons a stuck script after the grace instead of hanging (result settles cancelled)', async () => { const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) const handle = ctx.workflows.start({ - // No hooks involved: an unsettleable await the engine cannot reject. script: script("await new Promise(() => {})\nreturn 'unreachable'"), parent, }) const before = Date.now() await handle.dispose() expect(Date.now() - before).toBeLessThan(1000) - const settled = await Promise.race([handle.result.then(() => 'settled'), Promise.resolve('pending')]) - expect(settled).toBe('pending') + // The abandon that freed dispose() also settled result — a consumer + // still awaiting it (the tool does, before its disposing finally) is + // released rather than wedged forever. + const result = await handle.result + expect(result.stopReason).toBe('cancelled') }) it('dispose() is idempotent and settles cleanly after a completed run', async () => { diff --git a/packages/workflow/workflow/README.md b/packages/workflow/workflow/README.md index 46efa2f2d0..076f5443ac 100644 --- a/packages/workflow/workflow/README.md +++ b/packages/workflow/workflow/README.md @@ -4,7 +4,7 @@ The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a wor ## Service: `WorkflowService` (abstract) -`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`). `dispose()` must reach quiescence within a bounded grace (cancel → wait for the script to settle and its children to finish disposing → abandon), never hanging its caller. +`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, `result` settles within the implementation's bounded grace even if the script itself never settles (a consumer awaiting `result` must never be wedged past a cancellation). `dispose()` must reach quiescence within a bounded grace (cancel → wait for the script to settle and its children to finish disposing → abandon), never hanging its caller. The protected `emitWorkflowEvent` helper dispatches the `workflow/*` events with PER-LISTENER containment and PER-LISTENER payload snapshots (a throwing subscriber is logged, never propagated, and cannot starve later listeners; each subscriber gets its own clone of the payload, so mutating it corrupts neither the engine nor other listeners) — the same containment guarantee as the subagent seam's lifecycle emits. diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index 5f340e2f93..83b1560563 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -127,8 +127,8 @@ export type WorkflowEventName = * subset (see dsh-tools). * - `AGENT_CAP` / `ITEM_CAP` — the run/agent caps tripped. * - `AGENT_START` — the subagent seam refused to start a child. - * - `RESULT_UNSERIALIZABLE` — a value crossing the realm boundary is not - * plain JSON data. + * - `RESULT_UNSERIALIZABLE` — a value crossing the script/host value boundary + * is not plain JSON data. * - `CANCELLED` — the run was cancelled; pending and future hooks reject * with this (the script-kill mechanism). */ @@ -179,7 +179,10 @@ export function isFatalWorkflowError(error: unknown): boolean { * - {@link start} throws synchronously for a request that cannot begin (an * unparseable script, an invalid meta block). Once it returns a * {@link WorkflowRun}, `result` NEVER rejects — every failure resolves with - * `stopReason: 'error'` (or `'cancelled'`). + * `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, + * `result` SETTLES within the implementation's bounded grace even if the + * script itself never settles (a consumer awaiting `result` must never be + * wedged past a cancellation). * - The `workflow/*` events fire through {@link emitWorkflowEvent} (data * snapshots, per-listener containment); `workflow/end` fires exactly once * per started run, after `result` is settled or as it settles. diff --git a/packages/workflow/workflow/src/types.ts b/packages/workflow/workflow/src/types.ts index 32377ee46b..01e5d08bf0 100644 --- a/packages/workflow/workflow/src/types.ts +++ b/packages/workflow/workflow/src/types.ts @@ -85,7 +85,7 @@ export interface WorkflowResult { stopReason: WorkflowStopReason /** The failure message (present iff `stopReason` is not `completed`). */ error?: string - /** How many `agent()` calls the run started (across its whole lifetime). */ + /** How many `agent()` calls the run accepted (whole lifetime, including calls still queued for a slot when the run was cancelled). */ agentsStarted: number } @@ -93,17 +93,19 @@ export interface WorkflowResult { * The handle the consumer holds while a script executes. The consumer awaits * `result`, may `cancel` mid-flight, and MUST `dispose` on every path. * `result` does NOT reject — a script failure resolves with `stopReason: - * 'error'` — so the consumer maps a non-`completed` reason to an `isError` - * result. `dispose()` cancels, then waits a bounded grace for the script to - * settle before abandoning it (the engine documents the abandonment - * semantics); it never hangs on a stuck script. + * 'error'` — and once the run is cancelled it SETTLES within the engine's + * bounded grace even if the script itself never settles (the engine abandons + * the script and reports `cancelled`), so a consumer awaiting `result` is + * never wedged past a cancellation. `dispose()` = cancel + that bounded + * settle + child quiescence; it never hangs on a stuck script and is safe to + * call on every path (idempotent). */ export interface WorkflowRun { readonly id: WorkflowRunId /** The validated meta block (available before the body runs). */ readonly meta: WorkflowMeta readonly result: Promise - /** Cancel the run: children abort, pending hooks reject, the script dies at its next await. */ + /** Cancel the run: children abort, pending hooks reject, the script dies at its next await (or is abandoned at the grace). */ cancel(reason?: string): void /** Cancel + bounded-grace settle; safe to call on every path (idempotent). */ dispose(): Promise @@ -149,6 +151,6 @@ export interface WorkflowResultInfo { stopReason: WorkflowStopReason /** The failure message (present iff `stopReason` is not `completed`). */ error?: string - /** How many `agent()` calls the run started. */ + /** How many `agent()` calls the run accepted (see {@link WorkflowResult.agentsStarted}). */ agentsStarted: number } diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 7877dc9fad..093e982930 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -1060,6 +1060,9 @@ importers: '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session + '@deepseek-ai/dsh-subagent': + specifier: workspace:^ + version: link:../../subagent/subagent '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../../core/system-prompt @@ -1069,6 +1072,9 @@ importers: '@deepseek-ai/dsh-workflow': specifier: workspace:^ version: link:../workflow + '@deepseek-ai/dsh-workflow-vm': + specifier: workspace:^ + version: link:../workflow-vm cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) From ed3972a9c6dad73404100e204fcc191957503341 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 00:51:04 +0800 Subject: [PATCH 18/90] workflow: linear meta-prefix scan (the regex backtracked exponentially) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Review finding, measured: the leading-trivia prefix regex (`^\s*(?:comment|comment|\s+)*export …`) partitions a whitespace run ambiguously between its outer `\s*` and the starred `\s+` alternative, so a script that ultimately FAILS the match backtracks exponentially — ~19 ms at 35 leading whitespace characters, ~174 ms at 38, ×2.2 per character; a realistic near-miss (a comment header, blank indented lines, then `const meta` missing its `export`) did not finish in 10 seconds. The regex ran on the HOST stack inside the synchronous `start()`, where no vm timeout applies and no abort can interleave — a benign one-token typo, exactly what SCRIPT_PARSE exists to bounce back to the model, hung the whole process instead of reaching that designed recovery. Replaced with a hand-rolled linear trivia scan (whitespace + `//` and `/* */` comments — the module already scans characters for the literal) followed by an anchored `^export\s+const\s+meta\s*=\s*` on the remainder, whose quantifiers cannot backtrack ambiguously. An unterminated block comment before the statement now gets its own SCRIPT_PARSE message. Regressions: the near-miss shape must reject in under a second (the old regex would trip the suite timeout), plus the unterminated-leading-comment and comment-to-EOF edges. --- packages/workflow/workflow-vm/src/meta.ts | 45 +++++++++++++++++-- .../workflow/workflow-vm/tests/meta.spec.ts | 21 +++++++++ 2 files changed, 62 insertions(+), 4 deletions(-) diff --git a/packages/workflow/workflow-vm/src/meta.ts b/packages/workflow/workflow-vm/src/meta.ts index cfe3e4d381..75958ba6f1 100644 --- a/packages/workflow/workflow-vm/src/meta.ts +++ b/packages/workflow/workflow-vm/src/meta.ts @@ -29,8 +29,6 @@ export interface ExtractedScript { body: string } -const META_PREFIX = /^\s*(?:\/\/[^\n]*\n|\/\*[\s\S]*?\*\/\s*|\s+)*export\s+const\s+meta\s*=\s*/ - /** * Scan `source` from `start` (an opening `{`) to its matching `}`, aware of * string literals (`'`/`"`/backtick, with escapes) and comments. Returns the @@ -145,6 +143,44 @@ function validateMetaShape(meta: unknown): { meta?: WorkflowMeta; violations: st } } +/** `export const meta =`, anchored AFTER {@link skipLeadingTrivia} — its quantifiers cannot backtrack ambiguously. */ +const META_HEAD = /^export\s+const\s+meta\s*=\s*/ + +/** + * Index just past the leading trivia: whitespace and `//` / `/*`-style + * comments. A hand-rolled character scan, NOT a prefix regex — an + * all-alternation prefix (`\s*(?:comment|\s+)*`) partitions a whitespace run + * ambiguously and backtracks EXPONENTIALLY when the match ultimately fails, + * so a near-miss script (a comment header, then a forgotten `export`) would + * spin the host synchronously inside `start()`, where no vm timeout applies. + * The near-miss must fail fast into `SCRIPT_PARSE` instead — that error is + * the model's retry signal. + */ +function skipLeadingTrivia(source: string): number { + let index = 0 + while (index < source.length) { + const ch = source.charAt(index) + if (/\s/.test(ch)) { + index += 1 + continue + } + if (ch === '/' && source[index + 1] === '/') { + const end = source.indexOf('\n', index) + if (end === -1) return source.length + index = end + 1 + continue + } + if (ch === '/' && source[index + 1] === '*') { + const end = source.indexOf('*/', index + 2) + if (end === -1) throw new WorkflowError('script has an unterminated comment before the meta block', 'SCRIPT_PARSE') + index = end + 2 + continue + } + break + } + return index +} + /** * Extract and validate the leading `export const meta = {...}` statement. * Throws {@link WorkflowError} — `SCRIPT_PARSE` when the statement is missing @@ -155,11 +191,12 @@ function validateMetaShape(meta: unknown): { meta?: WorkflowMeta; violations: st * @returns the validated meta and the line-preservingly blanked body. */ export function extractMeta(script: string, evalTimeoutMs: number): ExtractedScript { - const match = META_PREFIX.exec(script) + const triviaEnd = skipLeadingTrivia(script) + const match = META_HEAD.exec(script.slice(triviaEnd)) if (!match) { throw new WorkflowError('script must begin with `export const meta = {...}` (leading comments allowed)', 'SCRIPT_PARSE') } - const literalStart = match[0].length + const literalStart = triviaEnd + match[0].length if (script[literalStart] !== '{') { throw new WorkflowError('`export const meta =` must be followed by an object literal', 'SCRIPT_PARSE') } diff --git a/packages/workflow/workflow-vm/tests/meta.spec.ts b/packages/workflow/workflow-vm/tests/meta.spec.ts index 02daa02940..a1c622e3fc 100644 --- a/packages/workflow/workflow-vm/tests/meta.spec.ts +++ b/packages/workflow/workflow-vm/tests/meta.spec.ts @@ -81,6 +81,27 @@ return 2` expect(bad('export const meta = [1]').code).toBe('SCRIPT_PARSE') }) + it('a near-miss prefix (comment header + whitespace, then no `export`) fails FAST as SCRIPT_PARSE', () => { + // Regression: the previous all-alternation prefix regex backtracked + // exponentially on exactly this shape (~×2 per extra whitespace char once + // the match fails), spinning the host synchronously inside start(). The + // linear trivia scan must reject it in effectively zero time. + const nearMiss = `// deep-audit workflow: reviews every route handler\n${' \n'.repeat(40)}/* second header block */\n${' '.repeat(200)}\nconst meta = { name: 'x', description: 'y' }\n` + const started = Date.now() + expect(bad(nearMiss).code).toBe('SCRIPT_PARSE') + expect(Date.now() - started).toBeLessThan(1000) + }) + + it('an unterminated block comment BEFORE the meta statement is SCRIPT_PARSE', () => { + const error = bad('/* never closed\nexport const meta = { name: "x", description: "y" }') + expect(error.code).toBe('SCRIPT_PARSE') + expect(error.message).toContain('unterminated comment') + }) + + it('a line comment running to EOF leaves no meta statement (SCRIPT_PARSE)', () => { + expect(bad('// only a comment, no newline').code).toBe('SCRIPT_PARSE') + }) + it('rejects template interpolation in the meta block as impure (SCRIPT_PARSE)', () => { const error = bad('export const meta = { name: `w-${1}`, description: "d" }\nreturn 1') expect(error.code).toBe('SCRIPT_PARSE') From 8cb5e1554400fd1103ec900cb9531bc339e09266 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 00:53:17 +0800 Subject: [PATCH 19/90] chore: undo the knip.json reformat noise MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Review nit: the feature commit exploded every single-line array in knip.json to multi-line, burying the one semantic change (the workflow-vm workspace entry) under ~110 lines of mechanical reformat. Restore the file to master's formatting with only that entry added — the diff against master is now the 4 lines that mean something. --- knip.json | 165 ++++++++++++++---------------------------------------- 1 file changed, 41 insertions(+), 124 deletions(-) diff --git a/knip.json b/knip.json index 39fb4c414f..938164d37d 100644 --- a/knip.json +++ b/knip.json @@ -1,11 +1,7 @@ { "$schema": "https://unpkg.com/knip@5/schema.json", - "exclude": [ - "duplicates" - ], - "ignoreWorkspaces": [ - "vendor/*" - ], + "exclude": ["duplicates"], + "ignoreWorkspaces": ["vendor/*"], "workspaces": { ".": { "entry": [ @@ -15,138 +11,59 @@ "examples/acp-agent/tests/**/*.e2e.ts", "examples/acp-agent/tests/**/*.snapshot.ts" ], - "project": [ - "scripts/**/*.ts", - "examples/**/*.ts" - ] + "project": ["scripts/**/*.ts", "examples/**/*.ts"] }, "packages/*/*": { - "entry": [ - "tests/**/*.spec.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] + "entry": ["tests/**/*.spec.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] }, "packages/util/brand": { - "project": [ - "src/**/*.ts" - ], - "ignoreDependencies": [ - "cordis" - ] + "project": ["src/**/*.ts"], + "ignoreDependencies": ["cordis"] }, "packages/llm/llm-deepseek": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] }, "packages/llm/llm-pi-ai": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] }, "packages/web/web-search-exa": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] }, "packages/web/web-search-perplexity": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] - }, - "packages/web/web-search-deepseek": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] - }, - "packages/ui/acp-agent": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] - }, - "packages/ui/stdio-agent": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] - }, - "packages/subagent/subagent-spawn": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] - }, - "packages/subagent/subagent-acp": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts", - "tests/mock-acp-server.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] - }, - "packages/fs/tool-fs": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] }, "packages/workflow/workflow-vm": { - "entry": [ - "tests/**/*.spec.ts", - "tests/**/*.e2e.ts" - ], - "project": [ - "src/**/*.ts", - "tests/**/*.ts" - ] + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/web/web-search-deepseek": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/ui/acp-agent": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/ui/stdio-agent": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/subagent/subagent-spawn": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/subagent/subagent-acp": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts", "tests/mock-acp-server.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/fs/tool-fs": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] } } } From 2ba4964aba52c99446d32c019e8b3bb7b97278f8 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 00:54:21 +0800 Subject: [PATCH 20/90] docs: regenerate the services catalog for the seam-contract JSDoc --- docs/cordis-catalog/services.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 88559d658f..0c219b51b5 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -233,7 +233,7 @@ Abstract workflow execution service. Subclass, implement start, and load the sub Semantics every implementation must honor: -- start throws synchronously for a request that cannot begin (an unparseable script, an invalid meta block). Once it returns a WorkflowRun, `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`). +- start throws synchronously for a request that cannot begin (an unparseable script, an invalid meta block). Once it returns a WorkflowRun, `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, `result` SETTLES within the implementation's bounded grace even if the script itself never settles (a consumer awaiting `result` must never be wedged past a cancellation). - The `workflow/*` events fire through emitWorkflowEvent (data snapshots, per-listener containment); `workflow/end` fires exactly once per started run, after `result` is settled or as it settles. - `dispose()` reaches quiescence within a bounded grace: it cancels, waits for the script to settle AND its started children to finish disposing, and abandons whatever is left rather than hanging its caller (the engine documents what abandonment leaves behind). @@ -241,7 +241,7 @@ Semantics every implementation must honor: abstract start(request: WorkflowStartRequest): WorkflowRun ``` -Source: [`packages/workflow/workflow/src/index.ts:191`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:194`](../../packages/workflow/workflow/src/index.ts) ## Inherited `ctx` members (cordis core + loader/hmr/timer) From 706691a7dff8262f640683f74dbd68d6b9ccdeeb Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 01:39:01 +0800 Subject: [PATCH 21/90] workflow: re-check cancellation after the slot acquire MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Codex convergence round 1 on the review-response commits: agent()'s post-acquire window was real and unguarded. `await acquireSlot()` yields at least one microtask tick even when a slot is free (and a queued waiter resumes a tick after its release), so a cancel() landing in that tick let the continuation start a child carrying an ALREADY-aborted signal — the in-code comment claimed the window could not exist. A provider that subscribes only to future abort events (the test stub; the seam does not promise pre-aborted-signal handling) would never settle such a child, leaking it until the dispose grace abandoned the run, and a backend that misses the pre-aborted signal would burn a full model turn after the user cancelled. agent() now re-checks isCancelled() immediately after the acquire (inside the slot-owning try, so the finally still releases), making every post-cancel path reject before subagents.start. New deterministic regression: cancel() in the same synchronous frame as start() lands in the free-slot await tick — the run settles cancelled with ZERO children started (previously: one leaked child and a grace-delayed settle). The raced-release test's comment now states what it actually pins (the queued-waiter rejection path). Also aligns the RFC's auto-concurrency formula with the code (min(16, max(1, availableParallelism() - 2))). --- .../feature/2026-07-05-dynamic-workflows.md | 2 +- packages/workflow/workflow-vm/src/runtime.ts | 10 +++++---- .../workflow-vm/tests/workflow-vm.spec.ts | 22 +++++++++++++++++-- 3 files changed, 27 insertions(+), 7 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index f39f12f0ed..c7004f5d19 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -30,7 +30,7 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre **Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. -**Value boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation; getters are read ordinarily and their RESULT crosses (a throwing read fails loud). Values entering the realm (`args`, `agent()` results, hook promises and failures, combinator arrays) are handed over directly as host values — the script is trusted, so host prototypes are not a leak; `args` is host-`structuredClone`d once so a script cannot mutate the caller's object. Hook failures are host `WorkflowError`s: the combinators recognize fatality by host `instanceof` (unforgeable from the realm), and the script-visible consequence — in-script `instanceof Error` is `false` for hook errors; branch on `e.name`/`e.code` — is documented in the engine README. Realm functions (stages, thunks) are called, never materialized. Thrown script values are rendered by a total host-side renderer (stack → message → `String()`, fixed label if rendering throws), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, cores - 2)`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. +**Value boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation; getters are read ordinarily and their RESULT crosses (a throwing read fails loud). Values entering the realm (`args`, `agent()` results, hook promises and failures, combinator arrays) are handed over directly as host values — the script is trusted, so host prototypes are not a leak; `args` is host-`structuredClone`d once so a script cannot mutate the caller's object. Hook failures are host `WorkflowError`s: the combinators recognize fatality by host `instanceof` (unforgeable from the realm), and the script-visible consequence — in-script `instanceof Error` is `false` for hook errors; branch on `e.name`/`e.code` — is documented in the engine README. Realm functions (stages, thunks) are called, never materialized. Thrown script values are rendered by a total host-side renderer (stack → message → `String()`, fixed label if rendering throws), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, max(1, availableParallelism() - 2))`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. ### The consumer (dsh-tool-workflow) diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index 7748cb2f2e..af8a30927e 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -375,10 +375,12 @@ export class WorkflowExecution { await this.acquireSlot() try { - // No cancelled re-check here: a cancel cannot interleave between a - // waiter's resolution and this continuation (single-threaded, no await - // between them), and a child started moments after a cancel still dies - // via the shared abort signal — the CANCELLED mapping below covers it. + // Re-check after the acquire: the await yields at least one microtask + // tick even when a slot is free, and a queued waiter resumes a tick + // after its release — a cancel() landing in either window must not + // start a child (it would carry an ALREADY-aborted signal, which a + // provider subscribing only to future abort events would never see). + if (this.isCancelled()) throw this.cancelledError() let run try { run = this.ctx.subagents.start(this.limits.provider, { diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index e362ed6ef0..7c56d245ae 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -636,6 +636,22 @@ describe('dsh-workflow-vm', () => { expect(result.error).toBe('stackless failure') }) + it('cancel() in the same frame as start(): the awaited slot tick cannot start a child', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + // agent() enters during start()'s synchronous slice and suspends on the + // acquireSlot await (one microtask tick even with a free slot); the + // synchronous cancel below lands in that tick. Without the post-acquire + // re-check the continuation would start a child carrying an ALREADY- + // aborted signal — which the stub provider (subscribing only to future + // abort events, like a real backend) would never settle, leaking it. + const handle = ctx.workflows.start({ script: script("return await agent('never')"), parent }) + handle.cancel('immediately after start') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(provider.runs.length).toBe(0) + await handle.dispose() + }) + it('a waiter resumed by a release RACING a cancel still dies at the post-acquire check', async () => { const { ctx, parent, provider } = await setup({ manual: true, config: { provider: 'stub', maxConcurrentAgents: 1 } }) const handle = ctx.workflows.start({ @@ -643,8 +659,10 @@ describe('dsh-workflow-vm', () => { parent, }) await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) - // Same synchronous block: the release resolves b's waiter, then the - // cancel lands BEFORE b's continuation runs — b must not start a child. + // Same synchronous block: b is still a QUEUED waiter when the cancel + // lands, so cancel() rejects it outright; together with the immediate- + // cancel test above (the resumed-waiter tick), no post-cancel path can + // reach subagents.start. provider.runs[0]!.settle(text('a-done')) handle.cancel('raced') const result = await handle.result From 80250a8f2e4fd7c03bcb7ea95f5c2efa929b9c7f Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 01:53:44 +0800 Subject: [PATCH 22/90] workflow: drop the dead abandon-timer guard in drive()'s finally MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The per-file branch gate caught it: drive()'s finally always cancels first, and every first cancel() arms the abandon timer, so the `!== undefined` guard's false arm was unreachable. clearTimeout tolerates undefined by contract — call it unguarded. --- packages/workflow/workflow-vm/src/runtime.ts | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index af8a30927e..b2a117fdcc 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -265,8 +265,9 @@ export class WorkflowExecution { // their rejections from going unhandled.) if (this.cancelReason === undefined) this.cancel('workflow settled') // drive() settling means nothing is left to abandon — including the - // timer the self-cancel above just armed. - if (this.abandonTimer !== undefined) clearTimeout(this.abandonTimer) + // timer the self-cancel above just armed (cancel() always arms it, so + // it is never undefined here; clearTimeout tolerates undefined anyway). + clearTimeout(this.abandonTimer) } } From b95595f0c7ed9769bad0fdb1e64727ff0dc34284 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Mon, 6 Jul 2026 10:21:00 +0800 Subject: [PATCH 23/90] fix: harden runtime skill registration --- docs/core-data-structures/skills.md | 2 +- packages/core/skill/README.md | 6 ++-- packages/core/skill/src/index.ts | 19 ++++++---- packages/core/skill/tests/skill.spec.ts | 46 ++++++++++++++++++++++++- 4 files changed, 62 insertions(+), 11 deletions(-) diff --git a/docs/core-data-structures/skills.md b/docs/core-data-structures/skills.md index a7eabacf2d..51681bcfe2 100644 --- a/docs/core-data-structures/skills.md +++ b/docs/core-data-structures/skills.md @@ -71,7 +71,7 @@ interface SkillLookupOptions { } ``` -The service can be pointed at alternate user roots in tests or deployments. `installSystemSkills` controls whether bundled system skills are materialized under `/skills/.system` on startup. +The service can be pointed at alternate user roots in tests or deployments. `installSystemSkills` controls whether bundled system skills are materialized under `/skills/.system` on startup. `promptFieldMaxLength` must be at least `3`, matching the `...` truncation suffix reserved in rendered prompt fields. ```ts type-equiv interface Config { diff --git a/packages/core/skill/README.md b/packages/core/skill/README.md index a91c3f116d..84c3e8bba6 100644 --- a/packages/core/skill/README.md +++ b/packages/core/skill/README.md @@ -8,7 +8,7 @@ Agent skill discovery and model-facing skill guidance. - `ctx.skills.list({ cwd? })` Returns model-invocable skill summaries for the current workspace. - `ctx.skills.get(name, { cwd? })` Returns the full skill, including disabled-for-model skills. -- `ctx.skills.register(skill): () => void` Registers a runtime skill, disposed with the calling fiber. +- `ctx.skills.register(skill): () => void` Registers a runtime skill, disposed with the calling fiber. Same-name runtime registrations are first-wins: a duplicate logs a warning and gets a no-op disposer. ### Config @@ -18,7 +18,7 @@ Agent skill discovery and model-facing skill guidance. | `agentsHome` | `$DSH_AGENTS_HOME` or `~/.agents` | Shared agent config root scanned for compatible skills. | | `extraRoots` | `[]` | Additional skill roots scanned after user roots and before system skills. | | `installSystemSkills` | `true` | Whether startup materializes bundled system skills under `dshHome`. | -| `promptFieldMaxLength` | `500` | Maximum rendered `description` / `whenToUse` length in the prompt listing. | +| `promptFieldMaxLength` | `500` | Maximum rendered `description` / `whenToUse` length in the prompt listing; must be at least `3` because truncated fields reserve `...`. | | `collectCacheMaxEntries` | `128` | Maximum cwd/root discovery promises kept in memory. | ### Discovery @@ -39,7 +39,7 @@ The project root is the nearest ancestor containing `.git`; without one, the cur When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and installs system skills through `ctx.fs.writeText`. Without a filesystem service, the package falls back to Node filesystem I/O so the service can still run in minimal test contexts. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. -Discovery is memoized per resolved root set and runtime-skill revision. Runtime `register()` and disposer calls invalidate the cache; disk-only changes are picked up on the next invalidation or process restart. +Discovery is memoized per resolved root set and runtime-skill revision. Runtime `register()` and active disposer calls invalidate the cache; duplicate runtime registrations do not alter the active set. Disk-only changes are picked up on the next invalidation or process restart. ## Skill Format diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index 503057b8bd..e50f82d488 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -75,7 +75,7 @@ export interface Config { extraRoots?: string[] /** Ensure bundled system skills exist under `/skills/.system`. Defaults true. */ installSystemSkills?: boolean - /** Maximum rendered description/whenToUse length in the prompt listing. */ + /** Maximum rendered description/whenToUse length in the prompt listing; minimum 3. */ promptFieldMaxLength?: number /** Maximum number of cwd/root discovery promises kept in the in-memory cache. */ collectCacheMaxEntries?: number @@ -159,7 +159,7 @@ export class SkillService extends Service { this.installSystemSkills = config.installSystemSkills ?? true this.promptFieldMaxLength = config.promptFieldMaxLength ?? DEFAULT_PROMPT_FIELD_LENGTH this.collectCacheMaxEntries = config.collectCacheMaxEntries ?? DEFAULT_COLLECT_CACHE_ENTRIES - assertPositiveInteger('promptFieldMaxLength', this.promptFieldMaxLength) + assertPositiveInteger('promptFieldMaxLength', this.promptFieldMaxLength, 3) assertPositiveInteger('collectCacheMaxEntries', this.collectCacheMaxEntries) if (this.installSystemSkills) { const systemRoot = join(this.dshHome, 'skills/.system') @@ -178,11 +178,18 @@ export class SkillService extends Service { /** * Register a runtime skill contribution. + * Same-name runtime registrations are first-wins: a duplicate logs a warning + * and returns a no-op disposer so it cannot remove the active contribution. * @param skill - the complete skill definition to expose for discovery. - * @returns a disposer that removes the runtime skill and invalidates caches. + * @returns a disposer that removes this runtime contribution and invalidates caches. */ register(skill: SkillRegistration): () => void { const normalized = normalizeSkill(skill) + const existing = this.runtime.get(normalized.name) + if (existing !== undefined) { + this.ctx.logger.warn(`runtime skill "${normalized.name}" from ${normalized.source} ignored because it is already registered from ${existing.source}`) + return () => {} + } const dispose = this.ctx.effect(function* (this: SkillService) { this.runtime.set(normalized.name, normalized) this.invalidateCache() @@ -587,9 +594,9 @@ function promptLine(value: string, maxLength: number): string { return escapeText(truncated) } -function assertPositiveInteger(name: string, value: number): void { - if (!Number.isInteger(value) || value < 1) { - throw new Error(`skill: ${name} must be a positive integer`) +function assertPositiveInteger(name: string, value: number, minimum = 1): void { + if (!Number.isInteger(value) || value < minimum) { + throw new Error(`skill: ${name} must be an integer greater than or equal to ${minimum}`) } } diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index 183954ccdf..aed07a563b 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -1,4 +1,4 @@ -import { describe, expect, it } from 'vitest' +import { describe, expect, it, vi } from 'vitest' import { mkdir, readdir, readFile, stat, symlink, writeFile } from 'node:fs/promises' import { dirname, join } from 'node:path' import { tmpdir } from 'node:os' @@ -331,6 +331,12 @@ describe('SkillService', () => { installSystemSkills: false, promptFieldMaxLength: 0, })).rejects.toThrow('promptFieldMaxLength') + await expect(ctx.plugin(SkillService, { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + installSystemSkills: false, + promptFieldMaxLength: 2, + })).rejects.toThrow('greater than or equal to 3') await expect(ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), @@ -661,6 +667,44 @@ describe('SkillService', () => { expect(await ctx.skills.list()).toEqual([]) }) + it('keeps the first runtime skill when a duplicate name is registered', async () => { + const home = await tempDir('skill-runtime-duplicate') + const ctx = new Context() + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => undefined) + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + const firstDispose = ctx.skills.register({ + name: 'same-runtime', + description: 'first', + content: 'First body.', + directory: 'memory://first', + source: 'runtime', + }) + const duplicateDispose = ctx.skills.register({ + name: 'same-runtime', + description: 'second', + content: 'Second body.', + directory: 'memory://second', + source: 'runtime', + }) + + await expect(ctx.skills.get('same-runtime')).resolves.toMatchObject({ + description: 'first', + content: 'First body.', + directory: 'memory://first', + }) + expect(warn).toHaveBeenCalledWith(expect.stringContaining('runtime skill "same-runtime"')) + + duplicateDispose() + await expect(ctx.skills.get('same-runtime')).resolves.toMatchObject({ + description: 'first', + content: 'First body.', + }) + + firstDispose() + await expect(ctx.skills.get('same-runtime')).resolves.toBeUndefined() + }) + it('rejects invalid runtime skill registrations', async () => { const home = await tempDir('skill-runtime-invalid') const ctx = new Context() From 1934035d04dea2d88caa520c27d86cd8cbe8f57a Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Mon, 6 Jul 2026 10:31:45 +0800 Subject: [PATCH 24/90] docs: update skill system RFC format --- docs/rfc/INDEX.md | 1 + .../rfc/implemented/feature/2026-07-05-skill-system.md | 10 ++++------ 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md index 0c5a11a4f9..6581b8ded8 100644 --- a/docs/rfc/INDEX.md +++ b/docs/rfc/INDEX.md @@ -59,6 +59,7 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | [dsh-hook-protocol — the shared Claude Code / Codex hook wire-protocol core](implemented/feature/2026-06-30-hook-protocol-lib.md) | 2026-06-30 | | [Interception seams — the typed-Decision surface a hook programs against](implemented/feature/2026-06-30-interception-seams.md) | 2026-06-30 | | [Subagent lifecycle enrichment — lastAssistantMessage (observe-only)](implemented/feature/2026-06-30-subagent-observe-enrich.md) | 2026-06-30 | +| [Skill system — progressive disclosure instructions for agents](implemented/feature/2026-07-05-skill-system.md) | 2026-07-05 | ### Simplification diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md index 6fda27b957..12ba62bfb9 100644 --- a/docs/rfc/implemented/feature/2026-07-05-skill-system.md +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -1,10 +1,8 @@ -# Skill system — progressive disclosure instructions for agents +# RFC: Skill system — progressive disclosure instructions for agents -## Status +Status: implemented -Implemented. - -## Context +## Problem Agent products have converged on a skill pattern: keep the request prompt small by listing only available instruction bundles, then load the full body when the model decides a task matches. Codex, Claude Code, OpenCode, and Kimi Code differ in details, but all separate discovery metadata from complete instructions so a workspace can carry reusable behavior without paying the full prompt cost on every turn. @@ -28,7 +26,7 @@ System skills are ordinary skill files materialized under `~/.dsh/skills/.system The data structures and prompt/tool contract are documented in [skills.md](../../../core-data-structures/skills.md), with service signatures in the generated [services catalog](../../../cordis-catalog/services.md). -## Rejected alternatives +## Alternatives considered **Inject full skill bodies into every system prompt.** Rejected because it destroys progressive disclosure and makes every request pay for instructions that may not apply. From 426d65a2a25327eacecf66e67175d830cacc05de Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Mon, 6 Jul 2026 15:59:12 +0800 Subject: [PATCH 25/90] fix: honor fs when locating skill project roots --- docs/core-data-structures/skills.md | 2 +- .../feature/2026-07-05-skill-system.md | 2 +- packages/core/skill/README.md | 4 +- packages/core/skill/src/index.ts | 42 ++++++++++++++++--- packages/core/skill/tests/skill.spec.ts | 26 ++++++++++++ 5 files changed, 66 insertions(+), 10 deletions(-) diff --git a/docs/core-data-structures/skills.md b/docs/core-data-structures/skills.md index 51681bcfe2..6823deb118 100644 --- a/docs/core-data-structures/skills.md +++ b/docs/core-data-structures/skills.md @@ -63,7 +63,7 @@ type SkillRegistration = Omit & { ## Lookup and configuration -Skill lookup is cwd-sensitive because project skill roots are relative to the current workspace. If no git root is found, the supplied cwd itself is the project root. +Skill lookup is cwd-sensitive because project skill roots are relative to the current workspace. If no git root is found, the supplied cwd itself is the project root. When `ctx.fs` is available, the git-root walk probes `.git` through the filesystem service so remote or sandboxed workspaces do not fall back to the host filesystem boundary. ```ts type-equiv interface SkillLookupOptions { diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md index 12ba62bfb9..fa1cf74ddd 100644 --- a/docs/rfc/implemented/feature/2026-07-05-skill-system.md +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -16,7 +16,7 @@ Discovery scans cwd-sensitive project roots, runtime registrations, user roots, Each skill is either `/SKILL.md` or `.md` with YAML frontmatter. `name` and `description` are required; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names are kebab-case. YAML frontmatter is parsed with the `yaml` package instead of `js-yaml` or a hand-written parser: `yaml` is the already-declared modern parser for this package's limited frontmatter needs, and a narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. -Skill filesystem I/O goes through `ctx.fs` when a filesystem service is loaded: root discovery uses `listDir`, skill reads use `readText`, and system-skill installation uses `writeText`. The Node filesystem remains a fallback for minimal contexts that mount `dsh-skill` without the fs seam. Missing roots and unreadable or malformed skill files degrade to warn-and-skip so one bad local file does not make every agent request fail. +Skill filesystem I/O goes through `ctx.fs` when a filesystem service is loaded: project-root lookup probes `.git` with `resolve` and `stat`, root discovery uses `listDir`, skill reads use `readText`, and system-skill installation uses `writeText`. The Node filesystem remains a fallback for minimal contexts that mount `dsh-skill` without the fs seam. Missing roots and unreadable or malformed skill files degrade to warn-and-skip so one bad local file does not make every agent request fail. The service injects a request-time `## Skills` fragment through the existing `agent/request` waterfall. It appends to `GenerateOptions.system` instead of changing `systemPrompt.assemble()`, because the available project skills depend on the calling agent's cwd. The fragment contains only stable routing metadata and is sorted by skill name after first-wins collection, so equivalent workspaces produce deterministic prompt text and better prefix-cache reuse. Full skill bodies are never included in the listing. diff --git a/packages/core/skill/README.md b/packages/core/skill/README.md index 84c3e8bba6..2d92fd8354 100644 --- a/packages/core/skill/README.md +++ b/packages/core/skill/README.md @@ -35,9 +35,9 @@ Default roots are resolved in this conflict priority order: | Extra | `Config.extraRoots` | | System | `~/.dsh/skills/.system` | -The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. The user DSH root skips `.system` during normal user scanning so system skills are read exactly once. Same-name skills keep the highest-priority copy, then model-visible summaries are sorted by skill name for stable prompts and provider prefix-cache friendliness. +The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. When `ctx.fs` is available, that ancestor lookup probes `.git` through the filesystem service rather than the host filesystem so remote or sandboxed workspaces keep their own project boundary. The user DSH root skips `.system` during normal user scanning so system skills are read exactly once. Same-name skills keep the highest-priority copy, then model-visible summaries are sorted by skill name for stable prompts and provider prefix-cache friendliness. -When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and installs system skills through `ctx.fs.writeText`. Without a filesystem service, the package falls back to Node filesystem I/O so the service can still run in minimal test contexts. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. +When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and installs system skills through `ctx.fs.writeText`. Without a filesystem service, the package falls back to Node filesystem I/O for project-root lookup, discovery, reads, and installation so the service can still run in minimal test contexts. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. Discovery is memoized per resolved root set and runtime-skill revision. Runtime `register()` and active disposer calls invalidate the cache; duplicate runtime registrations do not alter the active set. Disk-only changes are picked up on the next invalidation or process restart. diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index e50f82d488..cad8bdd423 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -296,7 +296,7 @@ export class SkillService extends Service { private async roots(cwd: string | undefined): Promise<{ project: SkillRoot[]; shared: SkillRoot[] }> { const project: SkillRoot[] = [] if (cwd !== undefined) { - const projectRoot = await findProjectRoot(resolve(cwd)) + const projectRoot = await findProjectRoot(resolve(cwd), optionalFileSystem(this.ctx)) project.push( { path: join(projectRoot, '.dsh/skills'), source: 'project-dsh' }, { path: join(projectRoot, '.agents/skills'), source: 'project-agents' }, @@ -549,14 +549,11 @@ function findClosingFrontmatter(raw: string, start: number): { start: number; bo } } -async function findProjectRoot(cwd: string): Promise { +async function findProjectRoot(cwd: string, fs: FileSystem | undefined): Promise { let current = cwd while (true) { - try { - await access(join(current, '.git')) + if (await pathExists(join(current, '.git'), fs)) { return current - } catch { - // Continue walking upward until a git root is found. } const parent = dirname(current) if (parent === current) return cwd @@ -564,6 +561,39 @@ async function findProjectRoot(cwd: string): Promise { } } +async function pathExists(path: string, fs: FileSystem | undefined): Promise { + if (fs !== undefined) { + return await pathExistsInFileSystem(path, fs) + } + return await pathExistsInNode(path) +} + +async function pathExistsInFileSystem(path: string, fs: FileSystem): Promise { + let target + try { + target = await fs.resolve(path) + } catch { + // A backend may reject or hide this candidate; continue walking upward. + return false + } + try { + return await fs.stat(target) !== undefined + } catch { + // Transient stat failures make only this git-root candidate unusable. + return false + } +} + +async function pathExistsInNode(path: string): Promise { + try { + await access(path) + return true + } catch { + // Missing host paths are expected while walking toward the filesystem root. + return false + } +} + function normalizeSkill(skill: SkillRegistration): SkillDefinition { if (!SKILL_NAME.test(skill.name)) throw new Error(`invalid skill name "${skill.name}"`) if (skill.description.length === 0) throw new Error(`skill "${skill.name}" requires a description`) diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index aed07a563b..eab5cad5a2 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -25,6 +25,7 @@ class TestFileSystem extends FileSystem { listDirCalls = 0 failResolvePaths = new Set() failStatPaths = new Set() + statOverrides = new Map() override async resolve(path: string): Promise { if (this.failResolvePaths.has(path)) throw new Error('resolve failed') @@ -33,6 +34,7 @@ class TestFileSystem extends FileSystem { override async stat(target: FsTarget): Promise { if (this.failStatPaths.has(target.displayPath)) throw new Error('stat failed') + if (this.statOverrides.has(target.displayPath)) return this.statOverrides.get(target.displayPath) try { const fs = await import('node:fs/promises') const info = await fs.stat(target.displayPath) @@ -458,6 +460,30 @@ describe('SkillService', () => { expect(await ctx.skills.get('binary-skill')).toBeUndefined() }) + it('uses the filesystem service when locating a workspace project root', async () => { + const home = await tempDir('skill-project-root-fs') + const project = await tempDir('skill-project-root-backend') + const nestedCwd = join(project, 'packages/app') + await mkdir(nestedCwd, { recursive: true }) + await writeSkill(join(project, '.agents/skills'), 'backend-root', 'Backend root skill') + + const ctx = new Context() + await ctx.plugin(TestFileSystem) + const fs = ctx.fs as TestFileSystem + fs.failResolvePaths.add(join(nestedCwd, '.git')) + fs.failStatPaths.add(join(project, 'packages/.git')) + fs.statOverrides.set(join(project, '.git'), { + version: FsVersion('virtual-git'), + type: 'directory', + size: 0, + }) + await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + + expect((await ctx.skills.list({ cwd: nestedCwd })).map(skill => [skill.name, skill.source])).toEqual([ + ['backend-root', 'project-agents'], + ]) + }) + it('degrades when bundled system skill installation fails', async () => { const home = await tempDir('skill-install-fail') await writeFile(join(home, '.dsh'), 'not a directory') From be8874f8db69471ad4a883088dc2929b660762c5 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Mon, 6 Jul 2026 17:22:17 +0800 Subject: [PATCH 26/90] test: reduce ACP skill snapshot churn --- .../tests/snapshots/cancel/session.jsonl | 18 +- .../snapshots/error-finish/session.jsonl | 14 +- .../tests/snapshots/fs-edit/session.jsonl | 268 ++-- .../snapshots/fs-policy-reject/session.jsonl | 532 +++---- .../snapshots/fs-read-window/session.jsonl | 230 +-- .../tests/snapshots/fs-read/session.jsonl | 172 +-- .../snapshots/fs-terminal-card/session.jsonl | 174 +-- .../fs-write-overwrite/session.jsonl | 360 ++--- .../tests/snapshots/fs-write/session.jsonl | 224 +-- .../hook-cc-posttool-block/session.jsonl | 1308 ++++++++--------- .../hook-cc-posttool-context/session.jsonl | 232 +-- .../hook-cc-pretool-ask/session.jsonl | 234 +-- .../hook-cc-pretool-deny/session.jsonl | 230 +-- .../hook-cc-promptsubmit-block/session.jsonl | 12 +- .../session.jsonl | 102 +- .../hook-cc-stop-continue/session.jsonl | 132 +- .../hook-codex-posttool-block/session.jsonl | 292 ++-- .../hook-codex-posttool-context/session.jsonl | 236 +-- .../hook-codex-pretool-block/session.jsonl | 242 +-- .../session.jsonl | 12 +- .../session.jsonl | 98 +- .../hook-codex-stop-continue/session.jsonl | 150 +- .../tests/snapshots/multi-turn/session.jsonl | 128 +- .../snapshots/subagent-fork/session.1.jsonl | 154 +- .../snapshots/subagent-fork/session.jsonl | 388 ++--- .../snapshots/subagent-mixed/session.1.jsonl | 72 +- .../snapshots/subagent-mixed/session.2.jsonl | 138 +- .../snapshots/subagent-mixed/session.jsonl | 642 ++++---- .../snapshots/subagent-multi/session.1.jsonl | 72 +- .../snapshots/subagent-multi/session.2.jsonl | 68 +- .../snapshots/subagent-multi/session.jsonl | 410 +++--- .../snapshots/subagent-spawn/session.1.jsonl | 68 +- .../snapshots/subagent-spawn/session.jsonl | 230 +-- .../tests/snapshots/text-turn/session.jsonl | 72 +- .../tests/snapshots/todo-plan/session.jsonl | 254 ++-- .../snapshots/tool-call-turn/session.jsonl | 206 +-- .../snapshots/workspace-edit/session.jsonl | 528 +++---- 37 files changed, 4351 insertions(+), 4351 deletions(-) diff --git a/examples/acp-agent/tests/snapshots/cancel/session.jsonl b/examples/acp-agent/tests/snapshots/cancel/session.jsonl index 9f7741389b..837a4ae788 100644 --- a/examples/acp-agent/tests/snapshots/cancel/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cancel/session.jsonl @@ -1,9 +1,9 @@ -{"type":"session","version":0,"id":"ff0aac95-8626-4ead-b686-7801b8f71415","createdAt":1783329007744,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-cFOX6B"} -{"type":"turn/start","seq":0,"time":1783329007746,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329007747,"data":{"content":[{"type":"text","text":"Start a long task; this turn will be cancelled mid-stream."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329007768,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329007768,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-cFOX6B.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783329007768,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} -{"type":"assistant/chunk","seq":5,"time":1783329007768,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"partial"}}} -{"type":"step/end","seq":6,"time":1783329007769,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":7,"time":1783329007769,"data":{"turn":1,"reason":{"kind":"aborted","reason":"session/cancel"}}} +{"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"} +{"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"Start a long task; this turn will be cancelled mid-stream."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":5,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"partial"}}} +{"type":"step/end","seq":6,"time":0,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":7,"time":0,"data":{"turn":1,"reason":{"kind":"aborted","reason":"session/cancel"}}} diff --git a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl index 458647f6e3..e9d23fa669 100644 --- a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl +++ b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl @@ -1,7 +1,7 @@ -{"type":"session","version":0,"id":"fe9808ef-c08c-47bc-96b1-083f0cd2efa0","createdAt":1783329007385,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-qcodOr"} -{"type":"turn/start","seq":0,"time":1783329007387,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329007388,"data":{"content":[{"type":"text","text":"This prompt triggers a recorded provider error."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329007407,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329007407,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-qcodOr.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} -{"type":"step/end","seq":4,"time":1783329007407,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":5,"time":1783329007407,"data":{"turn":1,"reason":{"kind":"error","step":1,"message":"simulated provider error (HTTP 401)","code":"AUTH"}}} +{"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"} +{"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"This prompt triggers a recorded provider error."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"step/end","seq":4,"time":0,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":5,"time":0,"data":{"turn":1,"reason":{"kind":"error","step":1,"message":"simulated provider error (HTTP 401)","code":"AUTH"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl b/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl index b0524cf699..0a2de9911a 100644 --- a/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl @@ -1,134 +1,134 @@ -{"type":"session","version":0,"id":"0cec50cc-2c79-4c47-83de-7d8cb6bd4529","createdAt":1783329005604,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-8kuqrw"} -{"type":"turn/start","seq":0,"time":1783329005607,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329005607,"data":{"content":[{"type":"text","text":"First use the read tool to read config.txt in the current directory. Then use the edit tool (NOT bash) to replace the literal text DEBUG with RELEASE in that file. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329005628,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329005628,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-8kuqrw.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783329005628,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} -{"type":"assistant/chunk","seq":5,"time":1783329005628,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Let"}}} -{"type":"assistant/chunk","seq":6,"time":1783329005628,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} -{"type":"assistant/chunk","seq":7,"time":1783329005628,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" read"}}} -{"type":"assistant/chunk","seq":8,"time":1783329005628,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" the"}}} 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Let me verify by quickly checking."}}}} +{"type":"assistant/chunk","seq":259,"time":1783279388421,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"DONE"}}}} +{"type":"assistant/chunk","seq":260,"time":1783279388421,"data":{"turn":1,"step":3,"chunk":{"type":"usage","usage":{"inputTokens":308,"outputTokens":15,"cacheReadTokens":2176,"reasoningTokens":12}}}} +{"type":"assistant/chunk","seq":261,"time":1783279388421,"data":{"turn":1,"step":3,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":262,"time":1783279388422,"data":{"turn":1,"step":3,"content":[{"type":"reasoning","text":"The bash command succeeded. Let me verify by quickly checking."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":308,"outputTokens":15,"cacheReadTokens":2176,"reasoningTokens":12}},"sourceEventSeqs":[242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261],"surfaceOp":"append"} +{"type":"step/end","seq":263,"time":1783279388422,"data":{"turn":1,"step":3}} +{"type":"turn/end","seq":264,"time":1783279388422,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl b/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl index dc7410e623..0a03943616 100644 --- a/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl @@ -1,115 +1,115 @@ -{"type":"session","version":0,"id":"45c0b8ce-16e9-4e01-8f27-cef4533f8b0b","createdAt":1783329006277,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-goqVpV"} -{"type":"turn/start","seq":0,"time":1783329006280,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329006280,"data":{"content":[{"type":"text","text":"Use the read tool (NOT bash) with offset 5 and limit 4 to read lines 5 through 8 of big.txt in the current directory. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329006299,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329006300,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-goqVpV.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. 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Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. 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Your working\ndirectory is /tmp/acp-snap-cwd-Zo3aiO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. 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You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. 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Now I need to reply with exactly the single word \"DONE\"."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":192,"outputTokens":23,"cacheReadTokens":2048,"reasoningTokens":20}},"sourceEventSeqs":[54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81],"surfaceOp":"append"} +{"type":"step/end","seq":83,"time":1783279357753,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":84,"time":1783279357753,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl b/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl index 8a7aa9f28a..6872cf584d 100644 --- a/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl @@ -1,87 +1,87 @@ -{"type":"session","version":0,"id":"f360417f-8ea2-47db-b2b7-8f251bcd0367","createdAt":1783329003415,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-0NfzWY"} -{"type":"turn/start","seq":0,"time":1783329003417,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329003417,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo TERMINAL_OK. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329003437,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329003437,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-0NfzWY.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. 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Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. 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Now I need to reply with the single word DONE."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":157,"outputTokens":20,"cacheReadTokens":2048,"reasoningTokens":17}},"sourceEventSeqs":[58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82],"surfaceOp":"append"} +{"type":"step/end","seq":84,"time":1783279340329,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":85,"time":1783279340329,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl b/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl index cd703267c9..84061f8f2a 100644 --- a/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl @@ -1,180 +1,180 @@ -{"type":"session","version":0,"id":"eb755c6f-8a6f-46b9-8d0d-7a5fce40d7b5","createdAt":1783329005950,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ZitLDF"} -{"type":"turn/start","seq":0,"time":1783329005953,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329005953,"data":{"content":[{"type":"text","text":"First use the read tool to read data.txt in the current directory. Then use the write tool (NOT bash) to replace its entire contents with exactly the single line: replaced. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329005974,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329005974,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ZitLDF.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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Now I need to reply with exactly \"DONE\"."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":257,"outputTokens":16,"cacheReadTokens":2176,"reasoningTokens":13}},"sourceEventSeqs":[155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175],"surfaceOp":"append"} +{"type":"step/end","seq":177,"time":0,"data":{"turn":1,"step":3}} +{"type":"turn/end","seq":178,"time":0,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-write/session.jsonl b/examples/acp-agent/tests/snapshots/fs-write/session.jsonl index 592c075d1e..b993bf5b37 100644 --- a/examples/acp-agent/tests/snapshots/fs-write/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-write/session.jsonl @@ -1,112 +1,112 @@ -{"type":"session","version":0,"id":"b9c9525a-4c51-4b5f-88ff-c113b6c5f84e","createdAt":1783329005286,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ZmJieu"} -{"type":"turn/start","seq":0,"time":1783329005289,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329005289,"data":{"content":[{"type":"text","text":"Use the write tool (NOT bash) to create a file named notes.txt in the current directory containing exactly the single line: hello world. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329005309,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329005309,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ZmJieu.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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Now I just need to reply with exactly \"DONE\"."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":225,"outputTokens":21,"cacheReadTokens":2048,"reasoningTokens":18}},"sourceEventSeqs":[82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107],"surfaceOp":"append"} +{"type":"step/end","seq":109,"time":0,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":110,"time":0,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl index 4a3aa64bb6..3a2b0f62fd 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl @@ -1,654 +1,654 @@ -{"type":"session","version":0,"id":"9485c243-ed1d-4f53-aa5b-bc1d7ab501be","createdAt":1783329011514,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-OQeO3u"} -{"type":"turn/start","seq":0,"time":1783329011516,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329011516,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. 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Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. 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The tool result I received is:\n\n> Error: bash is disabled by policy in this session"}],"usage":{"inputTokens":163,"outputTokens":47,"cacheReadTokens":2048,"reasoningTokens":17}},"sourceEventSeqs":[59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110],"surfaceOp":"append"} +{"type":"step/end","seq":112,"time":1783279431164,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":113,"time":1783279431164,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-block/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-block/session.jsonl index 5bec59c2ca..b5f81fdaea 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-block/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-block/session.jsonl @@ -1,6 +1,6 @@ -{"type":"session","version":0,"id":"13bcada8-5086-4f73-931a-347c76d3b6d3","createdAt":1783329009465,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-CXvYyw"} -{"type":"turn/start","seq":0,"time":1783329009468,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"hook/invoked","seq":1,"time":1783329009468,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"claude","handlerId":"claude:UserPromptSubmit:1"}} -{"type":"hook/result","seq":2,"time":1783329009556,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"claude:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by policy hook","durationMs":87.84841699999998}} -{"type":"prompt/blocked","seq":3,"time":1783329009557,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by policy hook"}} -{"type":"turn/end","seq":4,"time":1783329009557,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by policy hook"}}} +{"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"} +{"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"hook/invoked","seq":1,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"claude","handlerId":"claude:UserPromptSubmit:1"}} +{"type":"hook/result","seq":2,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"claude:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by policy hook","durationMs":0}} +{"type":"prompt/blocked","seq":3,"time":0,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by policy hook"}} +{"type":"turn/end","seq":4,"time":0,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by policy hook"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl index f78771476f..09e9cc158c 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl @@ -1,51 +1,51 @@ -{"type":"session","version":0,"id":"66ab64fe-18af-440a-851a-dd1cf2ba59bf","createdAt":1783329010248,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-xUgyf6"} -{"type":"turn/start","seq":0,"time":1783329010250,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"hook/invoked","seq":1,"time":1783329010250,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"claude","handlerId":"claude:UserPromptSubmit:1"}} -{"type":"hook/result","seq":2,"time":1783329010344,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"claude:UserPromptSubmit:1","decision":"pass","exitCode":0,"durationMs":92.90583299999997}} -{"type":"user/message","seq":3,"time":1783329010344,"data":{"content":[{"type":"text","text":"What is my favorite color? Reply with just the color and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"context/message","seq":4,"time":1783329010344,"data":{"content":[{"type":"text","text":"The user has previously stated their favorite color is teal."}],"source":{"kind":"plugin","plugin":"hooks-claude"}},"surfaceOp":"append"} -{"type":"step/start","seq":5,"time":1783329010356,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":6,"time":1783329010356,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-xUgyf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. 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Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. 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Based on the context provided, their favorite color is teal."}}}} +{"type":"assistant/chunk","seq":44,"time":1783279425949,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"teal"}}}} +{"type":"assistant/chunk","seq":45,"time":1783279425949,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2120,"outputTokens":35,"cacheReadTokens":0,"reasoningTokens":32}}}} +{"type":"assistant/chunk","seq":46,"time":1783279425949,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":47,"time":1783279425951,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user asked me to reply with just their favorite color and stop, without using any tools. Based on the context provided, their favorite color is teal."},{"type":"text","text":"teal"}],"usage":{"inputTokens":2120,"outputTokens":35,"cacheReadTokens":0,"reasoningTokens":32}},"sourceEventSeqs":[7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46],"surfaceOp":"append"} +{"type":"step/end","seq":48,"time":1783279425952,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":49,"time":1783279425952,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl index 9ef064547f..4515f4fb02 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl @@ -1,66 +1,66 @@ -{"type":"session","version":0,"id":"427044db-4a05-4958-a84d-63ce38ad7301","createdAt":1783329013031,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-kgLaDt"} -{"type":"turn/start","seq":0,"time":1783329013034,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329013034,"data":{"content":[{"type":"text","text":"Reply with the single word FIRST and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329013054,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329013054,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-kgLaDt.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. 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Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. 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-{"type":"hook/result","seq":63,"time":1783329013202,"data":{"turn":1,"point":"Stop","handlerId":"claude:Stop:2","decision":"pass","exitCode":0,"durationMs":52.63387499999999}} -{"type":"turn/end","seq":64,"time":1783329013202,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"session","version":0,"id":"31e4dc78-156d-4d37-83c0-8589eaa35116","createdAt":1783279459585,"cwd":"/tmp/acp-snap-cwd-y7ZIlD"} +{"type":"turn/start","seq":0,"time":1783279459589,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783279459590,"data":{"content":[{"type":"text","text":"Reply with the single word FIRST and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783279459591,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783279459592,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-y7ZIlD.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. 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Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. 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Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783279460023,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783279460023,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} +{"type":"assistant/chunk","seq":6,"time":1783279460120,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} +{"type":"assistant/chunk","seq":7,"time":1783279460148,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" wants"}}} +{"type":"assistant/chunk","seq":8,"time":1783279460148,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} 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Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329014373,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329014373,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-20drzQ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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The result I got back is: \"tool output rejected by codex policy: summarize instead\". I'll report this verbatim."}}}} +{"type":"assistant/chunk","seq":139,"time":1783279476449,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"The tool result I got back verbatim is:\n\n```\ntool output rejected by codex policy: summarize instead\n```"}}}} +{"type":"assistant/chunk","seq":140,"time":1783279476449,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":168,"outputTokens":72,"cacheReadTokens":2048,"reasoningTokens":48}}}} +{"type":"assistant/chunk","seq":141,"time":1783279476449,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":142,"time":1783279476449,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The tool output was rejected by codex policy, but I'm told to report the tool result verbatim. 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Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329014849,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329014850,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-GnY5Un.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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+{"type":"assistant/chunk","seq":111,"time":1783279470382,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"\n"}}} +{"type":"assistant/chunk","seq":112,"time":1783279470382,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"```"}}} +{"type":"assistant/chunk","seq":113,"time":1783279470383,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The bash tool returned an error: \"bash is disabled by codex policy in this session\". I need to report this result verbatim."}}}} +{"type":"assistant/chunk","seq":114,"time":1783279470383,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"The tool result I got back verbatim is:\n\n```\nError: bash is disabled by codex policy in this session\n```"}}}} +{"type":"assistant/chunk","seq":115,"time":1783279470383,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":163,"outputTokens":54,"cacheReadTokens":2048,"reasoningTokens":28}}}} +{"type":"assistant/chunk","seq":116,"time":1783279470383,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":117,"time":1783279470383,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The bash tool returned an error: \"bash is disabled by codex policy in this session\". I need to report this result verbatim."},{"type":"text","text":"The tool result I got back verbatim is:\n\n```\nError: bash is disabled by codex policy in this session\n```"}],"usage":{"inputTokens":163,"outputTokens":54,"cacheReadTokens":2048,"reasoningTokens":28}},"sourceEventSeqs":[58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116],"surfaceOp":"append"} +{"type":"step/end","seq":118,"time":1783279470383,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":119,"time":1783279470383,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-block/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-block/session.jsonl index a87b44aad4..bc9144f980 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-block/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-block/session.jsonl @@ -1,6 +1,6 @@ -{"type":"session","version":0,"id":"08a96486-95f1-4ab6-9cfa-7aaa31801df8","createdAt":1783329009855,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-MiZ1SA"} -{"type":"turn/start","seq":0,"time":1783329009858,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"hook/invoked","seq":1,"time":1783329009858,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"codex","handlerId":"codex:UserPromptSubmit:1"}} -{"type":"hook/result","seq":2,"time":1783329009950,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"codex:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by codex policy hook","durationMs":91.78695800000003}} -{"type":"prompt/blocked","seq":3,"time":1783329009951,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by codex policy hook"}} -{"type":"turn/end","seq":4,"time":1783329009951,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by codex policy hook"}}} +{"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"} +{"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"hook/invoked","seq":1,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"codex","handlerId":"codex:UserPromptSubmit:1"}} +{"type":"hook/result","seq":2,"time":0,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"codex:UserPromptSubmit:1","decision":"block","exitCode":2,"stderrSummary":"blocked by codex policy hook","durationMs":0}} +{"type":"prompt/blocked","seq":3,"time":0,"data":{"content":[{"type":"text","text":"Delete everything in the repo."}],"source":{"kind":"user"},"reason":"blocked by codex policy hook"}} +{"type":"turn/end","seq":4,"time":0,"data":{"turn":1,"reason":{"kind":"rejected","reason":"blocked by codex policy hook"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl index 87ceca6e33..d81be0b43b 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl @@ -1,49 +1,49 @@ -{"type":"session","version":0,"id":"97813998-cee8-47df-908f-a854ce368b17","createdAt":1783329013515,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-OYWVHq"} -{"type":"turn/start","seq":0,"time":1783329013518,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"hook/invoked","seq":1,"time":1783329013518,"data":{"turn":1,"point":"UserPromptSubmit","dialect":"codex","handlerId":"codex:UserPromptSubmit:1"}} -{"type":"hook/result","seq":2,"time":1783329013609,"data":{"turn":1,"point":"UserPromptSubmit","handlerId":"codex:UserPromptSubmit:1","decision":"pass","exitCode":0,"durationMs":90.34204199999999}} -{"type":"user/message","seq":3,"time":1783329013609,"data":{"content":[{"type":"text","text":"What is my favorite color? Reply with just the color and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"context/message","seq":4,"time":1783329013609,"data":{"content":[{"type":"text","text":"The user has previously stated their favorite color is teal."}],"source":{"kind":"plugin","plugin":"hooks-codex"}},"surfaceOp":"append"} -{"type":"step/start","seq":5,"time":1783329013621,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":6,"time":1783329013621,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-OYWVHq.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. 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Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. 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They want just the color and no tools."}}}} +{"type":"assistant/chunk","seq":42,"time":1783279465048,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"teal"}}}} +{"type":"assistant/chunk","seq":43,"time":1783279465048,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2119,"outputTokens":33,"cacheReadTokens":0,"reasoningTokens":30}}}} +{"type":"assistant/chunk","seq":44,"time":1783279465048,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":45,"time":1783279465050,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user asked about their favorite color, and the context tells me they previously stated it's teal. They want just the color and no tools."},{"type":"text","text":"teal"}],"usage":{"inputTokens":2119,"outputTokens":33,"cacheReadTokens":0,"reasoningTokens":30}},"sourceEventSeqs":[7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44],"surfaceOp":"append"} +{"type":"step/end","seq":46,"time":1783279465050,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":47,"time":1783279465050,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl index a20f6b04e1..77a712d7e0 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl @@ -1,75 +1,75 @@ -{"type":"session","version":0,"id":"9fa1ac4b-7ecd-44a8-856a-a53b1dc6f200","createdAt":1783329015298,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-kQuOup"} -{"type":"turn/start","seq":0,"time":1783329015300,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329015301,"data":{"content":[{"type":"text","text":"Reply with the single word FIRST and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329015320,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329015321,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. 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Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. 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You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. 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Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. 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+{"type":"assistant/chunk","seq":52,"time":1783279392651,"data":{"turn":2,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} +{"type":"assistant/chunk","seq":53,"time":1783279392680,"data":{"turn":2,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":54,"time":1783279392681,"data":{"turn":2,"step":1,"chunk":{"type":"text-delta","index":1,"text":"T"}}} +{"type":"assistant/chunk","seq":55,"time":1783279392706,"data":{"turn":2,"step":1,"chunk":{"type":"text-delta","index":1,"text":"WO"}}} +{"type":"assistant/chunk","seq":56,"time":1783279392707,"data":{"turn":2,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to reply with exactly the word \"TWO\" and no tools."}}}} +{"type":"assistant/chunk","seq":57,"time":1783279392707,"data":{"turn":2,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"TWO"}}}} 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a/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl index 1b4c2e8d90..de6fdb41b1 100644 --- a/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl @@ -1,77 +1,77 @@ -{"type":"session","version":0,"id":"b01c9205-8a2a-420c-bfd5-00807970a57b","createdAt":1783329008796,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-WDoPI7","parentSession":"5545fa37-bb69-448d-bd5f-ead1468c688d","seedLength":33} -{"type":"turn/start","seq":0,"time":1783329008755,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329008756,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is MARMALADE. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329008776,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329008776,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-WDoPI7.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. 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Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783279408758,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783279408758,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} +{"type":"assistant/chunk","seq":6,"time":1783279408906,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} +{"type":"assistant/chunk","seq":7,"time":1783279408935,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" is"}}} +{"type":"assistant/chunk","seq":8,"time":1783279408935,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" asking"}}} 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+{"type":"turn/start","seq":33,"time":1783279410879,"data":{"turn":2,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":34,"time":1783279410880,"data":{"content":[{"type":"text","text":"What is the project codeword mentioned earlier in this conversation? Reply with exactly that one word and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":35,"time":1783279410880,"data":{"turn":2,"step":1}} +{"type":"request/header","seq":36,"time":1783279410880,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-yKv3Ie.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. 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You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. 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I recall it was \"MARMALADE\"."},{"type":"text","text":"MARMALADE"}],"usage":{"inputTokens":93,"outputTokens":31,"cacheReadTokens":2048,"reasoningTokens":26}},"sourceEventSeqs":[37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72],"surfaceOp":"append"} +{"type":"step/end","seq":74,"time":1783279411908,"data":{"turn":2,"step":1}} +{"type":"turn/end","seq":75,"time":1783279411908,"data":{"turn":2,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl index d3e32d9807..a6db6dfea8 100644 --- a/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl @@ -1,194 +1,194 @@ -{"type":"session","version":0,"id":"5545fa37-bb69-448d-bd5f-ead1468c688d","createdAt":1783329008753,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-WDoPI7"} -{"type":"turn/start","seq":0,"time":1783329008755,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329008756,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is MARMALADE. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329008776,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329008776,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-WDoPI7.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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Now I need to reply with \"PARENT_DONE\" and stop."}}}} +{"type":"assistant/chunk","seq":187,"time":1783279412919,"data":{"turn":2,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"PARENT_DONE"}}}} +{"type":"assistant/chunk","seq":188,"time":1783279412919,"data":{"turn":2,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":64,"outputTokens":31,"cacheReadTokens":2304,"reasoningTokens":26}}}} +{"type":"assistant/chunk","seq":189,"time":1783279412919,"data":{"turn":2,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":190,"time":1783279412920,"data":{"turn":2,"step":2,"content":[{"type":"reasoning","text":"The subagent correctly returned \"MARMALADE\". Now I need to reply with \"PARENT_DONE\" and stop."},{"type":"text","text":"PARENT_DONE"}],"usage":{"inputTokens":64,"outputTokens":31,"cacheReadTokens":2304,"reasoningTokens":26}},"sourceEventSeqs":[154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189],"surfaceOp":"append"} +{"type":"step/end","seq":191,"time":1783279412920,"data":{"turn":2,"step":2}} +{"type":"turn/end","seq":192,"time":1783279412920,"data":{"turn":2,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl index daac93ba55..1810859570 100644 --- a/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl @@ -1,36 +1,36 @@ -{"type":"session","version":0,"id":"888a6263-581d-488c-a63e-c9840f78cb8e","createdAt":1783329009135,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-26ySbT","parentSession":"a6d3b448-ed6f-452d-802b-3c537cb28c2d"} -{"type":"turn/start","seq":0,"time":1783329009135,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329009135,"data":{"content":[{"type":"text","text":"Reply with exactly the word ALPHA and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329009137,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329009137,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. 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You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. 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nothing"}}} +{"type":"assistant/chunk","seq":22,"time":1783279419021,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" else"}}} +{"type":"assistant/chunk","seq":23,"time":1783279419021,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} +{"type":"assistant/chunk","seq":24,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":25,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"AL"}}} +{"type":"assistant/chunk","seq":26,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"P"}}} +{"type":"assistant/chunk","seq":27,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"HA"}}} +{"type":"assistant/chunk","seq":28,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to reply with exactly the word \"ALPHA\" and nothing else."}}}} +{"type":"assistant/chunk","seq":29,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"ALPHA"}}}} +{"type":"assistant/chunk","seq":30,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":44,"outputTokens":23,"cacheReadTokens":2048,"reasoningTokens":19}}}} +{"type":"assistant/chunk","seq":31,"time":1783279419051,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":32,"time":1783279419052,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to reply with exactly the word \"ALPHA\" and nothing else."},{"type":"text","text":"ALPHA"}],"usage":{"inputTokens":44,"outputTokens":23,"cacheReadTokens":2048,"reasoningTokens":19}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],"surfaceOp":"append"} +{"type":"step/end","seq":33,"time":1783279419052,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":34,"time":1783279419052,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl b/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl index 138974d9c1..26577d9d2a 100644 --- a/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl @@ -1,69 +1,69 @@ -{"type":"session","version":0,"id":"fd2713ca-8290-4b32-bbdc-2a2939bc3057","createdAt":1783329009152,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-26ySbT","parentSession":"a6d3b448-ed6f-452d-802b-3c537cb28c2d","seedLength":27} -{"type":"turn/start","seq":0,"time":1783329009095,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329009095,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is SAFFRON. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329009114,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329009115,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-26ySbT.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} -{"type":"assistant/chunk","seq":5,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} -{"type":"assistant/chunk","seq":6,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} -{"type":"assistant/chunk","seq":7,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" wants"}}} -{"type":"assistant/chunk","seq":8,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} -{"type":"assistant/chunk","seq":9,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} -{"type":"assistant/chunk","seq":10,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" remember"}}} -{"type":"assistant/chunk","seq":11,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" a"}}} -{"type":"assistant/chunk","seq":12,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" fact"}}} -{"type":"assistant/chunk","seq":13,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" and"}}} -{"type":"assistant/chunk","seq":14,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" reply"}}} -{"type":"assistant/chunk","seq":15,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" with"}}} -{"type":"assistant/chunk","seq":16,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" OK"}}} -{"type":"assistant/chunk","seq":17,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} -{"type":"assistant/chunk","seq":18,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} -{"type":"assistant/chunk","seq":19,"time":1783329009115,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"OK"}}} -{"type":"assistant/chunk","seq":20,"time":1783329009116,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to remember a fact and reply with OK."}}}} -{"type":"assistant/chunk","seq":21,"time":1783329009116,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"OK"}}}} -{"type":"assistant/chunk","seq":22,"time":1783329009116,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2111,"outputTokens":15,"cacheReadTokens":0,"reasoningTokens":13}}}} -{"type":"assistant/chunk","seq":23,"time":1783329009116,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} -{"type":"assistant/message","seq":24,"time":1783329009116,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to remember a fact and reply with OK."},{"type":"text","text":"OK"}],"usage":{"inputTokens":2111,"outputTokens":15,"cacheReadTokens":0,"reasoningTokens":13}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23],"surfaceOp":"append"} -{"type":"step/end","seq":25,"time":1783329009116,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":26,"time":1783329009116,"data":{"turn":1,"reason":{"kind":"completed"}}} -{"type":"turn/start","seq":27,"time":1783329009152,"data":{"turn":2,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":28,"time":1783329009152,"data":{"content":[{"type":"text","text":"What is the project codeword mentioned earlier in this conversation? Reply with exactly that one word and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":29,"time":1783329009153,"data":{"turn":2,"step":1}} -{"type":"request/header","seq":30,"time":1783329009153,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-26ySbT.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. 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Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783279415446,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783279415446,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. 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You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. 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Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. 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Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783279416146,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783279416146,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} +{"type":"assistant/chunk","seq":6,"time":1783279416310,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} +{"type":"assistant/chunk","seq":7,"time":1783279416338,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" wants"}}} +{"type":"assistant/chunk","seq":8,"time":1783279416339,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} +{"type":"assistant/chunk","seq":9,"time":1783279416339,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} +{"type":"assistant/chunk","seq":10,"time":1783279416339,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" remember"}}} +{"type":"assistant/chunk","seq":11,"time":1783279416339,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" a"}}} +{"type":"assistant/chunk","seq":12,"time":1783279416340,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" fact"}}} +{"type":"assistant/chunk","seq":13,"time":1783279416366,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" and"}}} +{"type":"assistant/chunk","seq":14,"time":1783279416366,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" reply"}}} +{"type":"assistant/chunk","seq":15,"time":1783279416394,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" with"}}} +{"type":"assistant/chunk","seq":16,"time":1783279416395,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" OK"}}} +{"type":"assistant/chunk","seq":17,"time":1783279416423,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} +{"type":"assistant/chunk","seq":18,"time":1783279416423,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":19,"time":1783279416423,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"OK"}}} +{"type":"assistant/chunk","seq":20,"time":1783279416453,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to remember a fact and reply with OK."}}}} +{"type":"assistant/chunk","seq":21,"time":1783279416453,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"OK"}}}} +{"type":"assistant/chunk","seq":22,"time":1783279416453,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2111,"outputTokens":15,"cacheReadTokens":0,"reasoningTokens":13}}}} +{"type":"assistant/chunk","seq":23,"time":1783279416453,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":24,"time":1783279416455,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to remember a fact and reply with OK."},{"type":"text","text":"OK"}],"usage":{"inputTokens":2111,"outputTokens":15,"cacheReadTokens":0,"reasoningTokens":13}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23],"surfaceOp":"append"} +{"type":"step/end","seq":25,"time":1783279416455,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":26,"time":1783279416455,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"turn/start","seq":27,"time":1783279420404,"data":{"turn":2,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":28,"time":1783279420404,"data":{"content":[{"type":"text","text":"What is the project codeword mentioned earlier in this conversation? Reply with exactly that one word and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":29,"time":1783279420405,"data":{"turn":2,"step":1}} +{"type":"request/header","seq":30,"time":1783279420405,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. 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You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. 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Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). 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It's \"SAFFRON\"."},{"type":"text","text":"SAFFRON"}],"usage":{"inputTokens":91,"outputTokens":29,"cacheReadTokens":2048,"reasoningTokens":25}},"sourceEventSeqs":[31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64],"surfaceOp":"append"} +{"type":"step/end","seq":66,"time":1783279421406,"data":{"turn":2,"step":1}} +{"type":"turn/end","seq":67,"time":1783279421406,"data":{"turn":2,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl index c122e0be43..8f81f749dc 100644 --- a/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl @@ -1,321 +1,321 @@ -{"type":"session","version":0,"id":"a6d3b448-ed6f-452d-802b-3c537cb28c2d","createdAt":1783329009092,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-26ySbT"} -{"type":"turn/start","seq":0,"time":1783329009095,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329009095,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is SAFFRON. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329009114,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329009115,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-26ySbT.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. 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a/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl index c79aabd228..d8e67ff114 100644 --- a/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl @@ -1,205 +1,205 @@ -{"type":"session","version":0,"id":"5f68e00f-778f-4f9e-ac37-8b88db4c7aed","createdAt":1783329008407,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-9v8WCR"} -{"type":"turn/start","seq":0,"time":1783329008408,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329008408,"data":{"content":[{"type":"text","text":"Use the subagent tool TWICE, once at a time, to delegate two subtasks to child agents. 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First returned \"ALPHA\", second returned \"BETA\". Now I reply with \"PARENT_DONE\"."}}}} +{"type":"assistant/chunk","seq":198,"time":1783279405527,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"PARENT_DONE"}}}} +{"type":"assistant/chunk","seq":199,"time":1783279405527,"data":{"turn":1,"step":3,"chunk":{"type":"usage","usage":{"inputTokens":107,"outputTokens":34,"cacheReadTokens":2304,"reasoningTokens":29}}}} +{"type":"assistant/chunk","seq":200,"time":1783279405527,"data":{"turn":1,"step":3,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":201,"time":1783279405528,"data":{"turn":1,"step":3,"content":[{"type":"reasoning","text":"Both subagents have returned. First returned \"ALPHA\", second returned \"BETA\". Now I reply with \"PARENT_DONE\"."},{"type":"text","text":"PARENT_DONE"}],"usage":{"inputTokens":107,"outputTokens":34,"cacheReadTokens":2304,"reasoningTokens":29}},"sourceEventSeqs":[162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200],"surfaceOp":"append"} +{"type":"step/end","seq":202,"time":1783279405528,"data":{"turn":1,"step":3}} +{"type":"turn/end","seq":203,"time":1783279405528,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl index 196936dcde..88858591da 100644 --- a/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl @@ -1,34 +1,34 @@ -{"type":"session","version":0,"id":"09370e9a-0306-4c9a-9c5e-1002b83af672","createdAt":1783329008090,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-k0KGst","parentSession":"eea4c8b3-ab82-4cbb-a326-e1fdbdd11ca6"} -{"type":"turn/start","seq":0,"time":1783329008091,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329008091,"data":{"content":[{"type":"text","text":"Reply with exactly the word CHILD_OK and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329008092,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329008092,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. 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Your working\ndirectory is /tmp/acp-snap-cwd-JrLIIO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783279397154,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783279397154,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} +{"type":"assistant/chunk","seq":6,"time":1783279397252,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} +{"type":"assistant/chunk","seq":7,"time":1783279397280,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" wants"}}} +{"type":"assistant/chunk","seq":8,"time":1783279397280,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} +{"type":"assistant/chunk","seq":9,"time":1783279397280,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} +{"type":"assistant/chunk","seq":10,"time":1783279397280,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" reply"}}} +{"type":"assistant/chunk","seq":11,"time":1783279397280,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" with"}}} +{"type":"assistant/chunk","seq":12,"time":1783279397281,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" exactly"}}} +{"type":"assistant/chunk","seq":13,"time":1783279397307,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" the"}}} +{"type":"assistant/chunk","seq":14,"time":1783279397308,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" word"}}} +{"type":"assistant/chunk","seq":15,"time":1783279397308,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" CH"}}} +{"type":"assistant/chunk","seq":16,"time":1783279397335,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"ILD"}}} +{"type":"assistant/chunk","seq":17,"time":1783279397335,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"_OK"}}} +{"type":"assistant/chunk","seq":18,"time":1783279397363,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" and"}}} +{"type":"assistant/chunk","seq":19,"time":1783279397363,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" nothing"}}} +{"type":"assistant/chunk","seq":20,"time":1783279397363,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" else"}}} +{"type":"assistant/chunk","seq":21,"time":1783279397363,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} +{"type":"assistant/chunk","seq":22,"time":1783279397363,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":23,"time":1783279397363,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"CH"}}} +{"type":"assistant/chunk","seq":24,"time":1783279397391,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"ILD"}}} +{"type":"assistant/chunk","seq":25,"time":1783279397391,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"_OK"}}} +{"type":"assistant/chunk","seq":26,"time":1783279397392,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to reply with exactly the word CHILD_OK and nothing else."}}}} +{"type":"assistant/chunk","seq":27,"time":1783279397392,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"CHILD_OK"}}}} +{"type":"assistant/chunk","seq":28,"time":1783279397392,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":44,"outputTokens":21,"cacheReadTokens":2048,"reasoningTokens":17}}}} +{"type":"assistant/chunk","seq":29,"time":1783279397392,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":30,"time":1783279397392,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to reply with exactly the word CHILD_OK and nothing else."},{"type":"text","text":"CHILD_OK"}],"usage":{"inputTokens":44,"outputTokens":21,"cacheReadTokens":2048,"reasoningTokens":17}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29],"surfaceOp":"append"} +{"type":"step/end","seq":31,"time":1783279397393,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":32,"time":1783279397393,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl index 74f8024e3d..86444be14c 100644 --- a/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl @@ -1,115 +1,115 @@ -{"type":"session","version":0,"id":"eea4c8b3-ab82-4cbb-a326-e1fdbdd11ca6","createdAt":1783329008069,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-k0KGst"} -{"type":"turn/start","seq":0,"time":1783329008071,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329008071,"data":{"content":[{"type":"text","text":"Use the subagent tool exactly once to delegate this subtask to a child agent: 'Reply with exactly the word CHILD_OK and nothing else.' After the subagent returns, reply with the single word PARENT_DONE and stop. Do not use the bash tool."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329008088,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329008088,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-k0KGst.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. 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Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. 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Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. 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Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} -{"type":"assistant/chunk","seq":5,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} -{"type":"assistant/chunk","seq":6,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} -{"type":"assistant/chunk","seq":7,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" wants"}}} -{"type":"assistant/chunk","seq":8,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} -{"type":"assistant/chunk","seq":9,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} -{"type":"assistant/chunk","seq":10,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" reply"}}} -{"type":"assistant/chunk","seq":11,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" with"}}} -{"type":"assistant/chunk","seq":12,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" exactly"}}} -{"type":"assistant/chunk","seq":13,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" the"}}} -{"type":"assistant/chunk","seq":14,"time":1783329002691,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" word"}}} 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-{"type":"assistant/chunk","seq":22,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" any"}}} -{"type":"assistant/chunk","seq":23,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" tools"}}} -{"type":"assistant/chunk","seq":24,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} -{"type":"assistant/chunk","seq":25,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} -{"type":"assistant/chunk","seq":26,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"P"}}} -{"type":"assistant/chunk","seq":27,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"ONG"}}} -{"type":"assistant/chunk","seq":28,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to reply with exactly the word \"PONG\" and not use any tools."}}}} -{"type":"assistant/chunk","seq":29,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"PONG"}}}} -{"type":"assistant/chunk","seq":30,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2095,"outputTokens":23,"cacheReadTokens":0,"reasoningTokens":20}}}} -{"type":"assistant/chunk","seq":31,"time":1783329002692,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} -{"type":"assistant/message","seq":32,"time":1783329002692,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to reply with exactly the word \"PONG\" and not use any tools."},{"type":"text","text":"PONG"}],"usage":{"inputTokens":2095,"outputTokens":23,"cacheReadTokens":0,"reasoningTokens":20}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],"surfaceOp":"append"} -{"type":"step/end","seq":33,"time":1783329002692,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":34,"time":1783329002692,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"session","version":0,"id":"a407f6bc-310c-4c0e-ad8b-4ffdf1b544b1","createdAt":1783279329590,"cwd":"/tmp/acp-snap-cwd-q0sbE9"} +{"type":"turn/start","seq":0,"time":1783279329596,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783279329596,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783279329598,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783279329598,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-q0sbE9.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783279330062,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783279330062,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} +{"type":"assistant/chunk","seq":6,"time":1783279330154,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} +{"type":"assistant/chunk","seq":7,"time":1783279330183,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" wants"}}} +{"type":"assistant/chunk","seq":8,"time":1783279330183,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} +{"type":"assistant/chunk","seq":9,"time":1783279330183,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} +{"type":"assistant/chunk","seq":10,"time":1783279330184,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" reply"}}} +{"type":"assistant/chunk","seq":11,"time":1783279330184,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" with"}}} +{"type":"assistant/chunk","seq":12,"time":1783279330184,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" exactly"}}} +{"type":"assistant/chunk","seq":13,"time":1783279330210,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" the"}}} +{"type":"assistant/chunk","seq":14,"time":1783279330211,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" word"}}} +{"type":"assistant/chunk","seq":15,"time":1783279330211,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" \""}}} +{"type":"assistant/chunk","seq":16,"time":1783279330211,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"P"}}} +{"type":"assistant/chunk","seq":17,"time":1783279330211,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"ONG"}}} +{"type":"assistant/chunk","seq":18,"time":1783279330211,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"\""}}} +{"type":"assistant/chunk","seq":19,"time":1783279330238,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" and"}}} +{"type":"assistant/chunk","seq":20,"time":1783279330238,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" not"}}} +{"type":"assistant/chunk","seq":21,"time":1783279330239,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" use"}}} +{"type":"assistant/chunk","seq":22,"time":1783279330239,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" any"}}} +{"type":"assistant/chunk","seq":23,"time":1783279330239,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" tools"}}} +{"type":"assistant/chunk","seq":24,"time":1783279330239,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} +{"type":"assistant/chunk","seq":25,"time":1783279330268,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":26,"time":1783279330268,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"P"}}} +{"type":"assistant/chunk","seq":27,"time":1783279330268,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"ONG"}}} +{"type":"assistant/chunk","seq":28,"time":1783279330269,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to reply with exactly the word \"PONG\" and not use any tools."}}}} +{"type":"assistant/chunk","seq":29,"time":1783279330269,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"PONG"}}}} +{"type":"assistant/chunk","seq":30,"time":1783279330269,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2095,"outputTokens":23,"cacheReadTokens":0,"reasoningTokens":20}}}} +{"type":"assistant/chunk","seq":31,"time":1783279330269,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":32,"time":1783279330271,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to reply with exactly the word \"PONG\" and not use any tools."},{"type":"text","text":"PONG"}],"usage":{"inputTokens":2095,"outputTokens":23,"cacheReadTokens":0,"reasoningTokens":20}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],"surfaceOp":"append"} +{"type":"step/end","seq":33,"time":1783279330271,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":34,"time":1783279330271,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl b/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl index f4b4f1935b..09f6ca18d7 100644 --- a/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl +++ b/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl @@ -1,127 +1,127 @@ -{"type":"session","version":0,"id":"b3724c3d-ce40-4648-afc2-698c2a4f766e","createdAt":1783329003829,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ltTLSg"} -{"type":"turn/start","seq":0,"time":1783329003831,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329003832,"data":{"content":[{"type":"text","text":"Use the todo_write tool to record a plan with exactly three todos: \"read the code\" (in_progress), \"write the fix\" (pending), \"run the tests\" (pending). Send all three in one todo_write call. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329003850,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329003851,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ltTLSg.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. 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Now I need to reply with just the word DONE."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":223,"outputTokens":26,"cacheReadTokens":2048,"reasoningTokens":23}},"sourceEventSeqs":[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122],"surfaceOp":"append"} +{"type":"step/end","seq":124,"time":1783279345691,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":125,"time":1783279345691,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl b/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl index 3c3f80190b..f2a7d35cdb 100644 --- a/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl @@ -1,103 +1,103 @@ -{"type":"session","version":0,"id":"244fd9ce-1cc7-41ee-bb44-a0ac75db3a04","createdAt":1783329002989,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-SUuJDx"} -{"type":"turn/start","seq":0,"time":1783329002991,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329002992,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo SNAPSHOT_OK. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329003012,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329003012,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-SUuJDx.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. 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You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. 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Now I need to reply with just the single word \"DONE\"."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":166,"outputTokens":31,"cacheReadTokens":2048,"reasoningTokens":28}},"sourceEventSeqs":[63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98],"surfaceOp":"append"} +{"type":"step/end","seq":100,"time":1783279335341,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":101,"time":1783279335342,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl b/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl index 9bcd10c3c5..3703d26fd5 100644 --- a/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl +++ b/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl @@ -1,264 +1,264 @@ -{"type":"session","version":0,"id":"14101fb2-dd6c-42ca-aeb6-69963d7e54bf","createdAt":1783329004472,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-3G54DA"} -{"type":"turn/start","seq":0,"time":1783329004474,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783329004475,"data":{"content":[{"type":"text","text":"A file named greeting.txt in the current directory contains one word. Use the bash tool to append a second line containing the word WORLD to it (so it has two lines), then read the file back with `cat greeting.txt` to confirm, and reply with the single word DONE. Use a single bash call per action."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783329004495,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329004495,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-3G54DA.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. 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Now I reply with DONE."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":109,"outputTokens":26,"cacheReadTokens":2432,"reasoningTokens":23}},"sourceEventSeqs":[229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259],"surfaceOp":"append"} +{"type":"step/end","seq":261,"time":0,"data":{"turn":1,"step":4}} +{"type":"turn/end","seq":262,"time":0,"data":{"turn":1,"reason":{"kind":"completed"}}} From 5fd647012e83d2dd395b3c6d135ee2178551d4f2 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Mon, 6 Jul 2026 17:34:48 +0800 Subject: [PATCH 27/90] test: make fs policy snapshot portable --- .../snapshots/fs-policy-reject/session.jsonl | 18 +++++++++--------- .../fs-policy-reject/stdout.golden.jsonl | 6 +++--- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl b/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl index 9da7fd74cd..2e58233309 100644 --- a/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl @@ -180,7 +180,7 @@ {"type":"assistant/chunk","seq":178,"time":1783279386389,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" use"}}} {"type":"assistant/chunk","seq":179,"time":1783279386416,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" bash"}}} {"type":"assistant/chunk","seq":180,"time":1783279386416,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" with"}}} -{"type":"assistant/chunk","seq":181,"time":1783279386416,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" sed"}}} +{"type":"assistant/chunk","seq":181,"time":1783279386416,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" perl"}}} {"type":"assistant/chunk","seq":182,"time":1783279386416,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} {"type":"assistant/chunk","seq":183,"time":1783279386444,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" replace"}}} {"type":"assistant/chunk","seq":184,"time":1783279386444,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" \""}}} @@ -203,9 +203,9 @@ {"type":"assistant/chunk","seq":201,"time":1783279386643,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"\""}}} {"type":"assistant/chunk","seq":202,"time":1783279386643,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":": "}}} {"type":"assistant/chunk","seq":203,"time":1783279386643,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"\""}}} -{"type":"assistant/chunk","seq":204,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"sed"}}} -{"type":"assistant/chunk","seq":205,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":" -"}}} -{"type":"assistant/chunk","seq":206,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"i"}}} +{"type":"assistant/chunk","seq":204,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"perl"}}} +{"type":"assistant/chunk","seq":205,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":" -0p"}}} +{"type":"assistant/chunk","seq":206,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"i -e"}}} {"type":"assistant/chunk","seq":207,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":" '"}}} {"type":"assistant/chunk","seq":208,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"s"}}} {"type":"assistant/chunk","seq":209,"time":1783279386671,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"/"}}} @@ -232,13 +232,13 @@ {"type":"assistant/chunk","seq":230,"time":1783279386809,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":".txt"}}} {"type":"assistant/chunk","seq":231,"time":1783279386837,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"\""}}} {"type":"assistant/chunk","seq":232,"time":1783279386838,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":1,"id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","argumentsDelta":"}"}}} -{"type":"assistant/chunk","seq":233,"time":1783279386896,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The edit tool requires reading the file first due to the default fs-policy. However, the user explicitly instructed me NOT to use the read tool. I need to follow the user's instructions. The edit tool returned an error saying it requires reading the file first. I cannot comply with the user's request to not read the file because the tool enforces it. Let me try a different approach - maybe I can use subagent to do this, or use bash to do the replacement. Let me use bash with sed to replace \"blue\" with \"green\" without reading the file."}}}} -{"type":"assistant/chunk","seq":234,"time":1783279386896,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","arguments":"{\"command\": \"sed -i 's/blue/green/g' settings.txt\", \"description\": \"Replace blue with green in settings.txt\"}"}}}} +{"type":"assistant/chunk","seq":233,"time":1783279386896,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The edit tool requires reading the file first due to the default fs-policy. However, the user explicitly instructed me NOT to use the read tool. I need to follow the user's instructions. The edit tool returned an error saying it requires reading the file first. I cannot comply with the user's request to not read the file because the tool enforces it. Let me try a different approach - maybe I can use subagent to do this, or use bash to do the replacement. Let me use bash with perl to replace \"blue\" with \"green\" without reading the file."}}}} +{"type":"assistant/chunk","seq":234,"time":1783279386896,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","arguments":"{\"command\": \"perl -0pi -e 's/blue/green/g' settings.txt\", \"description\": \"Replace blue with green in settings.txt\"}"}}}} {"type":"assistant/chunk","seq":235,"time":1783279386896,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":227,"outputTokens":195,"cacheReadTokens":2048,"reasoningTokens":118}}}} {"type":"assistant/chunk","seq":236,"time":1783279386896,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} -{"type":"assistant/message","seq":237,"time":1783279386897,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The edit tool requires reading the file first due to the default fs-policy. However, the user explicitly instructed me NOT to use the read tool. I need to follow the user's instructions. The edit tool returned an error saying it requires reading the file first. I cannot comply with the user's request to not read the file because the tool enforces it. Let me try a different approach - maybe I can use subagent to do this, or use bash to do the replacement. Let me use bash with sed to replace \"blue\" with \"green\" without reading the file."},{"type":"tool-call","id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","arguments":"{\"command\": \"sed -i 's/blue/green/g' settings.txt\", \"description\": \"Replace blue with green in settings.txt\"}"}],"usage":{"inputTokens":227,"outputTokens":195,"cacheReadTokens":2048,"reasoningTokens":118}},"sourceEventSeqs":[77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236],"surfaceOp":"append"} -{"type":"tool/call","seq":238,"time":1783279386897,"data":{"turn":1,"step":2,"callId":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","arguments":"{\"command\": \"sed -i 's/blue/green/g' settings.txt\", \"description\": \"Replace blue with green in settings.txt\"}"}} -{"type":"tool/result","seq":239,"time":1783279386915,"data":{"turn":1,"step":2,"callId":"call_00_SvvpTh6bWybYXoO77NHg8535","content":[{"type":"text","text":"[stderr]\nsed: 1: \"settings.txt\n\": unterminated substitute pattern\n[exit code: 1]"}],"isError":false},"sourceEventSeqs":[238],"surfaceOp":"append"} +{"type":"assistant/message","seq":237,"time":1783279386897,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The edit tool requires reading the file first due to the default fs-policy. However, the user explicitly instructed me NOT to use the read tool. I need to follow the user's instructions. The edit tool returned an error saying it requires reading the file first. I cannot comply with the user's request to not read the file because the tool enforces it. Let me try a different approach - maybe I can use subagent to do this, or use bash to do the replacement. Let me use bash with perl to replace \"blue\" with \"green\" without reading the file."},{"type":"tool-call","id":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","arguments":"{\"command\": \"perl -0pi -e 's/blue/green/g' settings.txt\", \"description\": \"Replace blue with green in settings.txt\"}"}],"usage":{"inputTokens":227,"outputTokens":195,"cacheReadTokens":2048,"reasoningTokens":118}},"sourceEventSeqs":[77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236],"surfaceOp":"append"} +{"type":"tool/call","seq":238,"time":1783279386897,"data":{"turn":1,"step":2,"callId":"call_00_SvvpTh6bWybYXoO77NHg8535","name":"bash","arguments":"{\"command\": \"perl -0pi -e 's/blue/green/g' settings.txt\", \"description\": \"Replace blue with green in settings.txt\"}"}} +{"type":"tool/result","seq":239,"time":1783279386915,"data":{"turn":1,"step":2,"callId":"call_00_SvvpTh6bWybYXoO77NHg8535","content":[{"type":"text","text":"(no output)"}],"isError":false},"sourceEventSeqs":[238],"surfaceOp":"append"} {"type":"step/end","seq":240,"time":1783279386916,"data":{"turn":1,"step":2}} {"type":"step/start","seq":241,"time":1783279386916,"data":{"turn":1,"step":3}} {"type":"assistant/chunk","seq":242,"time":1783279388121,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-policy-reject/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/fs-policy-reject/stdout.golden.jsonl index 826dbf5eaa..0b6d5dfe33 100644 --- a/examples/acp-agent/tests/snapshots/fs-policy-reject/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-policy-reject/stdout.golden.jsonl @@ -137,7 +137,7 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" use"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" bash"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" sed"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" perl"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" to"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" replace"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} @@ -152,8 +152,8 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" file"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_SvvpTh6bWybYXoO77NHg8535","title":"sed -i 's/blue/green/g' settings.txt","kind":"execute","status":"in_progress","rawInput":"sed -i 's/blue/green/g' settings.txt","content":[{"type":"content","content":{"type":"text","text":"Replace blue with green in settings.txt"}}]}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_SvvpTh6bWybYXoO77NHg8535","status":"completed","content":[{"type":"content","content":{"type":"text","text":"```console\n[stderr]\nsed: 1: \"settings.txt\n\": unterminated substitute pattern\n[exit code: 1]\n```"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_SvvpTh6bWybYXoO77NHg8535","title":"perl -0pi -e 's/blue/green/g' settings.txt","kind":"execute","status":"in_progress","rawInput":"perl -0pi -e 's/blue/green/g' settings.txt","content":[{"type":"content","content":{"type":"text","text":"Replace blue with green in settings.txt"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_SvvpTh6bWybYXoO77NHg8535","status":"completed","content":[{"type":"content","content":{"type":"text","text":"```console\n(no output)\n```"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" bash"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" command"}}}} From e70227d5810a94af2ec084de35c91a6ac86bcf32 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 20:59:47 +0800 Subject: [PATCH 28/90] =?UTF-8?q?workflow:=20pin=20the=20spec=20engine's?= =?UTF-8?q?=20concurrency=20=E2=80=94=20the=20auto=20default=20is=20one=20?= =?UTF-8?q?slot=20on=20small=20CI=20runners?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The two tests that wait for two children IN FLIGHT (the pipeline no-barrier test and the dropped-promise cancellation test) inherited the engine's auto-resolved maxConcurrentAgents, which is min(16, max(1, cores - 2)) — exactly 1 on the 2-core CI runner, so the second child never started and vi.waitFor timed out. Reproduced locally under taskset -c 0,1; the full spec passes there with the helper pinning a fixed ceiling. Tests about the ceiling itself keep their explicit overrides, and the auto-resolve arm stays covered by the default-config provider tests. --- packages/workflow/workflow-vm/tests/workflow-vm.spec.ts | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index a4058303ea..ac037bdb04 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -97,7 +97,10 @@ async function setup(options?: SetupOptions) { options?.disposeDelayMs ?? 0, ) ctx.subagents.registerProvider(provider) - await ctx.plugin(VmWorkflowEngine, { provider: 'stub', ...options?.config }) + // A fixed concurrency ceiling: the auto-resolved default is machine-derived + // (cores - 2, floored at 1), so tests that expect N children in flight + // would wedge on small CI runners. Tests about the ceiling override it. + await ctx.plugin(VmWorkflowEngine, { provider: 'stub', maxConcurrentAgents: 8, ...options?.config }) return { ctx, provider, parent: fakeParent() } } From db4a39b02454f404c620e8efab06a9e469d4036f Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 21:02:41 +0800 Subject: [PATCH 29/90] workflow: close the review-found cancellation and child-lifecycle gaps MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Three review findings on the engine's child seam, one mechanism each: - Cancellation now bridges to run.cancel() on every in-flight child, not just the shared request signal — the subagent seam leaves a provider free to honor either channel, so the consumer drives both (listener removed in the child finally). - A child result REJECTION (an infrastructure fault the seam allows) now emits the paired workflow/agent-end before propagating, and propagates as a fatal WorkflowError with the new AGENT_RESULT code — previously it skipped agent-end (permanently open child for seq-matching observers) and dissolved to a per-item null inside parallel()/pipeline(), letting a broken provider read as an ordinary failed child. A rejection landing after cancel stays a cancellation (cancelled outcome + CANCELLED). - Every hook now guards its entry with a shared throwIfCancelled(): phase()/log() no longer emit observer events after a script caught an earlier cancelled rejection, and parallel()/pipeline() refuse entry — cancellation is the next HOOK boundary, not just the next agent(). --- docs/cordis-catalog/services.md | 2 +- packages/workflow/workflow-vm/src/runtime.ts | 53 +++++++-- .../workflow-vm/tests/workflow-vm.spec.ts | 102 +++++++++++++++++- packages/workflow/workflow/src/index.ts | 4 + 4 files changed, 148 insertions(+), 13 deletions(-) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index f1a61e2ecd..772a70f035 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -242,7 +242,7 @@ Semantics every implementation must honor: abstract start(request: WorkflowStartRequest): WorkflowRun ``` -Source: [`packages/workflow/workflow/src/index.ts:194`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:198`](../../packages/workflow/workflow/src/index.ts) ## Inherited `ctx` members (cordis core + loader/hmr/timer) diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index b2a117fdcc..f1901ffaf7 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -17,10 +17,11 @@ * realm-side until they cross through a hook or the final return. * * Failure discipline: fatal {@link WorkflowError}s (bad hook arguments, - * unsupported options/schemas, tripped caps, seam start failures, - * cancellation) ALWAYS propagate through `parallel`/`pipeline` — recognized - * by host `instanceof`, which a script cannot forge — and the per-item `null` - * is reserved for child-run failures and ordinary in-stage script errors. + * unsupported options/schemas, tripped caps, seam start failures and result + * rejections, cancellation) ALWAYS propagate through `parallel`/`pipeline` — + * recognized by host `instanceof`, which a script cannot forge — and the + * per-item `null` is reserved for child-run failures and ordinary in-stage + * script errors. * Every hook-returned promise gets a no-op rejection consumer attached, so a * script that drops a promise (fires an `agent()` without awaiting it) cannot * surface an unhandled rejection when cancellation rejects it — the app boot @@ -206,6 +207,17 @@ export class WorkflowExecution { return this.cancelReason !== undefined } + /** + * Shared hook entry guard: after {@link cancel}, EVERY hook throws + * `CANCELLED` at its next call — cancellation is the next HOOK boundary, + * not just the next `agent()`, so a script that caught one cancelled + * rejection cannot keep emitting progress through `phase`/`log` or enter a + * combinator. + */ + private throwIfCancelled(): void { + if (this.isCancelled()) throw this.cancelledError() + } + /** * Cancel the run: children abort (the shared signal), waiting `agent()` * slots reject, and every future hook call throws `CANCELLED` — the script @@ -358,7 +370,7 @@ export class WorkflowExecution { /** The `agent(prompt, opts)` hook. */ private async agent(rawPrompt: unknown, rawOpts: unknown): Promise { - if (this.isCancelled()) throw this.cancelledError() + this.throwIfCancelled() if (typeof rawPrompt !== 'string' || rawPrompt.length === 0) { throw new WorkflowError('agent() requires a non-empty prompt string', 'INVALID_ARGUMENT') } @@ -381,7 +393,7 @@ export class WorkflowExecution { // after its release — a cancel() landing in either window must not // start a child (it would carry an ALREADY-aborted signal, which a // provider subscribing only to future abort events would never see). - if (this.isCancelled()) throw this.cancelledError() + this.throwIfCancelled() let run try { run = this.ctx.subagents.start(this.limits.provider, { @@ -396,8 +408,30 @@ export class WorkflowExecution { } const info: WorkflowAgentInfo = { seq, label, ...phase !== undefined ? { phase } : {}, childId: run.id } this.observer.agentStart(info) + // Cancellation bridges to run.cancel() as well as the request signal: + // the seam leaves a provider free to honor either channel, so the + // consumer must drive both. The signal cannot be aborted yet (the block + // since the post-acquire check is synchronous), so the listener always + // arms; `once` plus the finally removal keep it leak-free. + const onAbort = (): void => { run.cancel(this.cancelReason) } + this.controller.signal.addEventListener('abort', onAbort, { once: true }) try { - const result = await run.result + let result + try { + result = await run.result + } catch (error: unknown) { + // The seam allows `result` to reject for an INFRASTRUCTURE fault — + // distinct from a child that failed and resolved. Pair the + // lifecycle before propagating, and propagate FATAL: an ordinary + // throw would dissolve to a per-item null inside the combinators, + // and a broken provider must not read as a failed child. + if (this.isCancelled()) { + this.observer.agentEnd({ ...info, outcome: 'cancelled' }) + throw this.cancelledError() + } + this.observer.agentEnd({ ...info, outcome: 'failed' }) + throw new WorkflowError(`child agent run failed: ${renderThrown(error)}`, 'AGENT_RESULT', { cause: error }) + } if (result.stopReason === 'completed') { if (opts.schema !== undefined) { // The provider honored outputSchema (capability-gated at start), so @@ -421,6 +455,7 @@ export class WorkflowExecution { this.observer.agentEnd({ ...info, outcome: 'failed' }) return null } finally { + this.controller.signal.removeEventListener('abort', onAbort) await run.dispose() } } finally { @@ -476,6 +511,7 @@ export class WorkflowExecution { /** The `parallel(thunks)` hook: each thunk caught → `null`; fatal errors propagate. */ private async parallel(rawThunks: unknown): Promise { + this.throwIfCancelled() if (!Array.isArray(rawThunks)) { throw new WorkflowError('parallel() requires an array of zero-argument functions', 'INVALID_ARGUMENT') } @@ -501,6 +537,7 @@ export class WorkflowExecution { /** The `pipeline(items, ...stages)` hook: per-item stage chains, NO cross-stage barrier. */ private async pipeline(rawItems: unknown, rawStages: unknown[]): Promise { + this.throwIfCancelled() if (!Array.isArray(rawItems)) { throw new WorkflowError('pipeline() requires an items array', 'INVALID_ARGUMENT') } @@ -542,6 +579,7 @@ export class WorkflowExecution { /** The `phase(title)` hook: sets the current label for subsequent `agent()` calls and notifies observers. */ private phase(title: unknown): void { + this.throwIfCancelled() if (typeof title !== 'string' || title.length === 0) { throw new WorkflowError('phase() requires a non-empty title string', 'INVALID_ARGUMENT') } @@ -551,6 +589,7 @@ export class WorkflowExecution { /** The `log(message)` hook: narration to observers. */ private log(message: unknown): void { + this.throwIfCancelled() if (typeof message !== 'string') { throw new WorkflowError('log() requires a message string', 'INVALID_ARGUMENT') } diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index ac037bdb04..1dc4833426 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -459,7 +459,7 @@ describe('dsh-workflow-vm', () => { expect((result.value as { message: string }).message).toContain('"bogus" is not recognized') }) - it('a non-WorkflowError host failure (a rejecting provider result) reaches the script raw', async () => { + it('a rejecting provider result is an infrastructure fault: fatal AGENT_RESULT, agent-end paired, no combinator dissolve', async () => { const ctx = new Context() await ctx.plugin(SubagentService) const provider: SubagentProvider = { @@ -475,11 +475,22 @@ describe('dsh-workflow-vm', () => { } ctx.subagents.registerProvider(provider) await ctx.plugin(VmWorkflowEngine, { provider: 'rejecting' }) - const result = await run(ctx, fakeParent(), script(` - try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, message: e.message } } + const ends: unknown[] = [] + ctx.on('workflow/agent-end', (_info, agent) => { ends.push(agent) }) + // Direct await: the script reads the typed fields (a host object, so + // realm instanceof is false — same as every hook failure). + const direct = await run(ctx, fakeParent(), script(` + try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, code: e.code, fatal: e.fatal, message: e.message } } `)) - expect(result.value).toMatchObject({ name: 'Error' }) - expect((result.value as { message: string }).message).toContain('backend exploded') + expect(direct.value).toMatchObject({ name: 'WorkflowError', code: 'AGENT_RESULT', fatal: true }) + expect((direct.value as { message: string }).message).toContain('backend exploded') + // The child's lifecycle stays paired even though result never resolved. + expect(ends).toEqual([expect.objectContaining({ seq: 1, outcome: 'failed' })]) + // Through a combinator the fault PROPAGATES (fatal) — a broken provider + // must not dissolve into the per-item null and read as a failed child. + const throughParallel = await run(ctx, fakeParent(), script("return await parallel([() => agent('p')])")) + expect(throughParallel.stopReason).toBe('error') + expect(throughParallel.error).toContain('backend exploded') }) it('phase()/log() throw host WorkflowErrors synchronously on misuse', async () => { @@ -542,6 +553,87 @@ describe('dsh-workflow-vm', () => { await handle.dispose() }) + it('cancellation bridges to run.cancel() on every in-flight child, not just the request signal', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + script: script("return await parallel([() => agent('a'), () => agent('b')])"), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) + handle.cancel('bridged') + expect((await handle.result).stopReason).toBe('cancelled') + // The seam leaves a provider free to honor run.cancel() rather than the + // request signal, so the engine must drive BOTH channels per child. + expect(provider.runs.map(r => r.cancelled)).toEqual(['bridged', 'bridged']) + await handle.dispose() + }) + + it('a provider whose result REJECTS on abort still gets a paired cancelled agent-end, and the run reports cancelled', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + // The seam allows result to reject for infrastructure faults; a backend + // that tears down uncleanly on abort exercises the rejection path WHILE + // the run is cancelled — which must stay a cancellation, not AGENT_RESULT. + const provider: SubagentProvider = { + name: 'reject-on-abort', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: request => ({ + id: AgentId('crashing-child'), + result: new Promise((_, reject) => { + request.signal?.addEventListener('abort', () => { reject(new Error('backend crashed on abort')) }, { once: true }) + }), + cancel: () => { /* the signal listener above is the teardown */ }, + dispose: () => Promise.resolve(), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(VmWorkflowEngine, { provider: 'reject-on-abort' }) + const starts: unknown[] = [] + const ends: unknown[] = [] + ctx.on('workflow/agent-start', (_info, agent) => { starts.push(agent) }) + ctx.on('workflow/agent-end', (_info, agent) => { ends.push(agent) }) + const handle = ctx.workflows.start({ script: script("return await agent('doomed')"), parent: fakeParent() }) + await vi.waitFor(() => { expect(starts.length).toBe(1) }) + handle.cancel('user aborted') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('user aborted') + expect(ends).toEqual([expect.objectContaining({ seq: 1, outcome: 'cancelled' })]) + await handle.dispose() + }) + + it('after cancellation EVERY hook throws at entry — phase/log/parallel/pipeline, not just agent()', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + let cancelled = false + const postCancel: string[] = [] + ctx.on('workflow/phase', (_info, title) => { if (cancelled) postCancel.push(`phase:${title}`) }) + ctx.on('workflow/log', (_info, message) => { if (cancelled) postCancel.push(`log:${message}`) }) + const handle = ctx.workflows.start({ + // The script survives each throw by catching, so every guarded hook is + // actually ATTEMPTED after the cancel; the run still reports cancelled. + script: script(` + phase('before') + try { await agent('x') } catch (e) {} + try { phase('after') } catch (e) {} + try { log('after') } catch (e) {} + try { await parallel([() => 'ran']) } catch (e) {} + try { await pipeline(['item'], p => p) } catch (e) {} + return 'survived by catching' + `), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + cancelled = true + handle.cancel('stop everything') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + // No post-cancel progress ever reached observers, and no child started. + expect(postCancel).toEqual([]) + expect(provider.runs.length).toBe(1) + await handle.dispose() + }) + it('an already-aborted request signal cancels before any child starts', async () => { const { ctx, parent, provider } = await setup({ manual: true }) const controller = new AbortController() diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index 83b1560563..31b9eed038 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -127,6 +127,9 @@ export type WorkflowEventName = * subset (see dsh-tools). * - `AGENT_CAP` / `ITEM_CAP` — the run/agent caps tripped. * - `AGENT_START` — the subagent seam refused to start a child. + * - `AGENT_RESULT` — a child's `result` REJECTED: an infrastructure fault at + * the subagent seam, distinct from a child that failed and resolved (which + * is the per-item `null`, never an error). * - `RESULT_UNSERIALIZABLE` — a value crossing the script/host value boundary * is not plain JSON data. * - `CANCELLED` — the run was cancelled; pending and future hooks reject @@ -141,6 +144,7 @@ export type WorkflowErrorCode = | 'AGENT_CAP' | 'ITEM_CAP' | 'AGENT_START' + | 'AGENT_RESULT' | 'RESULT_UNSERIALIZABLE' | 'CANCELLED' From 3987425547eb302e176d86821cf8bc6d3ed5e094 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 21:03:40 +0800 Subject: [PATCH 30/90] subagent-inprocess: stop the structured nudge loop once cancellation lands MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A cancel that lands AFTER a child's clean turn end but before the nudge continuation runs clears nothing — child.cancel() only kills queued or running work — so the loop's turn-state check alone let a later child.send() spend a fresh post-cancellation turn (and even capture a structured result the caller had already abandoned). The loop condition now also reads the run's own cancelled flag, re-evaluated after every whenIdle(), through an accessor because closure assignments are invisible to control-flow narrowing (an inline read lints always-true). readResult keeps the outcome honest on this path: a completed-but- uncaptured turn maps to aborted, not error, when a cancel is why the nudging stopped — the cancel contract outranks the schema shortfall. --- .../subagent/subagent-inprocess/src/index.ts | 24 ++++++++++++++----- .../tests/structured.spec.ts | 19 +++++++++++++++ 2 files changed, 37 insertions(+), 6 deletions(-) diff --git a/packages/subagent/subagent-inprocess/src/index.ts b/packages/subagent/subagent-inprocess/src/index.ts index 93983e420c..381f94acba 100644 --- a/packages/subagent/subagent-inprocess/src/index.ts +++ b/packages/subagent/subagent-inprocess/src/index.ts @@ -171,6 +171,10 @@ export function startInProcessRun( // `turn/end` is logged — settles as `aborted` (honoring the cancel contract) // rather than falling through to the no-turn `error` mapping. let cancelled = false + // An accessor, not an inline read: `cancelled` mutates from closures (the + // abort listener, run.cancel), which control-flow narrowing cannot see — an + // inline `!cancelled` in the nudge condition reads as always-true. + const isCancelled = (): boolean => cancelled const requestCancel = (reason: string): void => { cancelled = true child.cancel(reason) @@ -191,12 +195,17 @@ export function startInProcessRun( // Nudge loop: a child that finished a turn CLEANLY without calling // structured_output gets re-prompted, up to the backend-configured // retry count. An errored/aborted turn is not nudged — its failure is - // the honest result. (This also covers a cancel: a cancelled turn ends - // `aborted`, and a pre-turn cancel leaves no `turn/end` at all, so - // neither reads `completed`.) + // the honest result (a cancelled turn ends `aborted`, and a pre-turn + // cancel leaves no `turn/end` at all, so neither reads `completed`). + // `!cancelled` closes the remaining window: a cancel landing AFTER a + // clean turn end clears nothing — `child.cancel()` only kills + // queued/running work — so without it the next `send` would spend a + // fresh post-cancellation turn; the condition re-evaluates after + // every `whenIdle()`, so a mid-nudge cancel stops the loop at the + // next boundary too. let nudges = options.structuredNudgeRetries while ( - structured.captured(child) === undefined && nudges > 0 + !isCancelled() && structured.captured(child) === undefined && nudges > 0 && lastOwnTurnEnd(child, seedLength)?.data.reason.kind === 'completed' ) { nudges -= 1 @@ -204,7 +213,7 @@ export function startInProcessRun( await child.whenIdle() } } - return readResult(child, seedLength, cancelled, structured ? { captured: structured.captured(child) } : undefined) + return readResult(child, seedLength, isCancelled(), structured ? { captured: structured.captured(child) } : undefined) } finally { request.signal?.removeEventListener('abort', onAbort) if (structured) { @@ -266,7 +275,10 @@ function readResult( : toStopReason(lastEnd?.data.reason) if (structured) { if (structured.captured) return { output, structured: structured.captured.value, stopReason } - if (stopReason === 'completed') return { output, stopReason: 'error' } + // No capture on a cleanly-completed turn: an ERROR when the run was left + // to finish (the nudges ran out), but ABORTED when a cancel is why the + // nudging stopped — the cancel contract outranks the schema shortfall. + if (stopReason === 'completed') return { output, stopReason: cancelled ? 'aborted' : 'error' } } return { output, stopReason } } diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts index be231f63e4..c8ca489451 100644 --- a/packages/subagent/subagent-inprocess/tests/structured.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts @@ -179,6 +179,25 @@ describe('in-process structured output', () => { await run.dispose() }) + it('a cancel landing after a clean turn end stops the nudge loop: no post-cancellation turn is spent', async () => { + const { ctx, parent, adapter } = await setup([textResponse('prose, no capture')], { nudges: 3 }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const child = ctx.agents.get(run.id)! + // Cancel synchronously inside the first turn's end recording — after the + // turn reads `completed`, before the nudge continuation resumes. The turn + // state alone cannot see this cancel (`child.cancel()` only clears + // queued/running work), so without the loop's own cancelled check the + // next send would spend a fresh child turn after the caller cancelled. + ctx.on('session/event', (session, event) => { + if (session === child.session && event.type === 'turn/end') run.cancel('cancelled between turn end and nudge') + }) + const result = await run.result + expect(result.stopReason).toBe('aborted') + // Exactly one model request: the nudge turn never ran. + expect(adapter.requests.length).toBe(1) + await run.dispose() + }) + it('rejects a schema outside the subset loud, before any child exists', async () => { const { ctx, parent } = await setup([]) expect(() => ctx.subagents.start('spawn', structuredRequest(parent, { From 9688870da31c74e77d0b34295e10bf468a9d4c6a Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 6 Jul 2026 21:04:20 +0800 Subject: [PATCH 31/90] =?UTF-8?q?docs(workflow):=20admit=20the=20node:vm?= =?UTF-8?q?=20escape=20concretely=20=E2=80=94=20absent=20globals=20are=20s?= =?UTF-8?q?urface,=20not=20containment?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The review's critical finding: the engine README and the tool description read as if the missing filesystem/network/Node globals were enforced, but a script can reach the host Function constructor via globalThis.constructor.constructor and from it process and every Node builtin. Per the trust premise this is ACCEPTED (model-written scripts, bash-equivalent trust; genuine sandboxing is the deferred engine swap already listed) — but the docs must say so instead of implying a wall. The trust-premise sections (engine README, module doc, RFC) now name the escape and its acceptance; the model-facing tool description says the APIs are not PROVIDED rather than implying they are prevented. --- .../implemented/feature/2026-07-05-dynamic-workflows.md | 2 +- docs/tool-catalog/tools.md | 2 +- packages/workflow/tool-workflow/src/index.ts | 2 +- packages/workflow/workflow-vm/README.md | 4 ++-- packages/workflow/workflow-vm/src/index.ts | 9 ++++++--- 5 files changed, 11 insertions(+), 8 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 7d44ec91db..17c26760be 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -22,7 +22,7 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre ### The engine (dsh-workflow-vm): in-process node:vm -**Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) — host code MAY run script code while reading script values, and that is accepted, because a hostile script can already occupy the event loop forever with a synchronous spin past its first await; containing its error VALUES while conceding it the event loop would be cost without a threat model. Genuine hardening is an engine swap behind the seam (worker/isolated-vm gets value isolation by serialization for free), not incremental host-side defenses. +**Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) AND Node-API escape from the context — the vm context shares object machinery with the host, so a script can reach the host `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin; the absent globals are API surface, not containment. Host code MAY run script code while reading script values, and that is accepted, because a hostile script can already occupy the event loop forever with a synchronous spin past its first await; containing its error VALUES while conceding it the event loop would be cost without a threat model. Genuine hardening is an engine swap behind the seam (worker/isolated-vm gets value isolation by serialization for free), not incremental host-side defenses. **Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Under the trust premise, in-process is enough. Accepted, documented limitations: `start()` blocks the caller for the script's initial synchronous slice (bounded by the vm timeout); that timeout covers ONLY the initial slice, so a synchronous spin past it (an await continuation, a thenable's `then` invoked by promise resolution — a returned thenable resolves per JavaScript semantics, which is what makes an un-awaited `return agent('x')` work — or script code the host runs while rendering a thrown value) cannot be killed in-process; `dispose()` cancels, waits a bounded grace for the script to settle and its children to finish disposing, then abandons. diff --git a/docs/tool-catalog/tools.md b/docs/tool-catalog/tools.md index 76176dae86..b32c10e31f 100644 --- a/docs/tool-catalog/tools.md +++ b/docs/tool-catalog/tools.md @@ -293,7 +293,7 @@ Script-body hooks: Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. -Constraints: concurrency and total-agent caps apply; `Date.now()`, `Math.random()`, and argless `new Date()` throw (pass timestamps via `args`); no filesystem, network, timers, or Node.js APIs — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. +Constraints: concurrency and total-agent caps apply; `Date.now()`, `Math.random()`, and argless `new Date()` throw (pass timestamps via `args`); no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. ```json { diff --git a/packages/workflow/tool-workflow/src/index.ts b/packages/workflow/tool-workflow/src/index.ts index a116866887..4df4d6aba1 100644 --- a/packages/workflow/tool-workflow/src/index.ts +++ b/packages/workflow/tool-workflow/src/index.ts @@ -66,7 +66,7 @@ Script-body hooks: Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item \`null\`. -Constraints: concurrency and total-agent caps apply; \`Date.now()\`, \`Math.random()\`, and argless \`new Date()\` throw (pass timestamps via \`args\`); no filesystem, network, timers, or Node.js APIs — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.` +Constraints: concurrency and total-agent caps apply; \`Date.now()\`, \`Math.random()\`, and argless \`new Date()\` throw (pass timestamps via \`args\`); no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.` type WorkflowCallArgs = { script: string; args?: Record } diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index 0ec1116cb7..e81e74dc7e 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -4,13 +4,13 @@ The first [`WorkflowService`](../workflow/README.md) implementation: an in-proce ## Trust premise -Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. vm is NOT a security boundary and no attempt is made to contain adversarial values: property reads on script values may run script code (a getter, a `toString`, a proxy trap) on the host stack, and a script determined to hang the process can simply spin past its first await (see the limitations below). What the engine DOES guarantee, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection (the app boot layer exits the process on those), values that JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing is an engine swap behind the seam (worker-thread/isolated-vm, where the boundary is serialization by construction), not incremental host-side defenses here. +Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. vm is NOT a security boundary and no attempt is made to contain adversarial values: property reads on script values may run script code (a getter, a `toString`, a proxy trap) on the host stack, and a script determined to hang the process can simply spin past its first await (see the limitations below). Concretely, the context is **escapable by construction**: `node:vm` shares object machinery with the host, so a script can reach the host `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin — the absent globals and determinism bans are API surface that keeps honest scripts portable and resume-compatible, not walls. What the engine DOES guarantee, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection (the app boot layer exits the process on those), values that JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing is an engine swap behind the seam (worker-thread/isolated-vm, where the boundary is serialization by construction), not incremental host-side defenses here. ## The script contract it executes - **Meta extraction** (`extractMeta`): a string/comment-aware brace scanner finds the leading `export const meta` literal (template interpolation rejected — the literal must be pure), evaluates it ALONE in an empty timed vm context, materializes the result to plain JSON data, validates the shape (`name`/`description` required; unknown fields rejected loud), and blanks the statement line-preservingly so error stacks keep the script's own line numbers. - **Hooks**: `agent(prompt, {label, phase, schema, model})` (schema = the [structured-output subset](../../core/tools/README.md), forwarded as `outputSchema`; result = validated object, or final text without a schema; a failed child resolves `null`), `parallel(thunks)`, `pipeline(items, ...stages)` with NO cross-stage barrier and `(prev, item, index)` stage callbacks, `phase(title)`, `log(message)`, and the `args` global. Anything else — `effort`/`isolation`/`agentType`, unknown options, malformed arguments, schemas outside the subset — throws a FATAL `WorkflowError` that `parallel`/`pipeline` re-throw rather than nulling (see the seam README's failure discipline). -- **Determinism bans**: `Date.now()`, `Math.random()`, and argless `new Date()` throw (kept even though resume is deferred, so scripts stay resume-compatible); no timers, filesystem, or Node APIs exist in the context. +- **Determinism bans**: `Date.now()`, `Math.random()`, and argless `new Date()` throw (kept even though resume is deferred, so scripts stay resume-compatible); no timers, filesystem, or Node APIs are injected into the context (absence is API surface, not containment — see the trust premise). ## The value boundary diff --git a/packages/workflow/workflow-vm/src/index.ts b/packages/workflow/workflow-vm/src/index.ts index 9b8c646aa9..c1300427a2 100644 --- a/packages/workflow/workflow-vm/src/index.ts +++ b/packages/workflow/workflow-vm/src/index.ts @@ -7,9 +7,12 @@ * TRUST PREMISE: scripts are MODEL-WRITTEN — the same trust level as the * model's existing bash access — so this engine defends against BUGGY * scripts, never hostile ones. vm is NOT a security boundary and no attempt - * is made to contain adversarial values (see ./realm.ts); genuine sandboxing - * is an engine swap behind the seam (worker-thread/isolated-vm), not - * incremental host-side defenses here. + * is made to contain adversarial values (see ./realm.ts); the context is + * escapable by construction (the host `Function` constructor is reachable via + * `globalThis.constructor.constructor`, and `process` from there), so the + * absent globals are API surface, not containment. Genuine sandboxing is an + * engine swap behind the seam (worker-thread/isolated-vm), not incremental + * host-side defenses here. * * Engine limitations, documented as the accepted cost of the in-process * mechanism: From 4641f1a851b4579adb3cd7ccd50ba53b4102ce04 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 7 Jul 2026 09:26:47 +0800 Subject: [PATCH 32/90] chore: absorb the no-nudge seam into the workflow tree The parent branch dropped structuredNudgeRetries; the two workflow-side test setups stop passing it, and the RFC's foundation paragraph now describes the current design (final-ASSEMBLY enforcement logged via request/header, the post-capture pre-execute deny, the start() schema snapshot, no re-prompt) instead of the retired agent/request + nudge shape. --- docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md | 2 +- packages/workflow/workflow-vm/tests/integration.spec.ts | 2 +- packages/workflow/workflow-vm/tests/workflow.e2e.ts | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 17c26760be..7bf09f742c 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -36,7 +36,7 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai ### The foundation: structured output on the subagent seam -`agent({schema})` needs `SubagentStartRequest.outputSchema` to actually work; it was vocabulary without an implementation (`outputSchema: false` everywhere). Implemented in `dsh-subagent-inprocess` for both in-process backends: a globally registered `structured_output` capture tool whose per-child schema is enforced by a `prepend: true` `agent/request` listener doing FINAL-REQUEST enforcement (post-processing `await next()` — cooperative mutation would not survive a downstream listener returning a replacement request; the listener also appends the calling instruction to the request's `system` text, since `AgentOptions` carries no per-agent prompt field), a `prepend: true` `agent/turn-continuation` veto after capture (no wasted extra model step, and an earlier-registered force-continue listener cannot short-circuit it), validation-retry in-turn via `ToolArgsError`, and a clean-finish nudge loop (`structuredNudgeRetries`). Lifetime is refcounted by backends (plugin lifetime) AND live runs (start → settle). The seam's `outputSchema` type became the raw JSON-Schema SUBSET (`StructuredOutputSchema` in dsh-tools: single-string `type`, `properties`/`required`/`additionalProperties`, `items`, scalar `enum`/`const`; anything unenforced is rejected loud) — the schema travels verbatim to the model as the forced tool's parameters, so the wire format, not the author DSL, is the right vocabulary. +`agent({schema})` needs `SubagentStartRequest.outputSchema` to actually work; it was vocabulary without an implementation (`outputSchema: false` everywhere). Implemented in `dsh-subagent-inprocess` for both in-process backends: a globally registered `structured_output` capture tool whose per-child schema is enforced by a `prepend: true` `system-prompt/assemble` listener doing FINAL-ASSEMBLY enforcement (post-processing `await next()` — cooperative mutation would not survive a downstream listener returning a replacement assembly; the calling instruction rides as a trailing prompt section, since `AgentOptions` carries no per-agent prompt field, and the loop logs the result as the step's `request/header`, keeping the injection reconstructable), a `prepend: true` `agent/turn-continuation` veto after capture (no wasted extra model step) plus a `tools/pre-execute` deny for calls arriving after the capture (terminal within the step, not only at its end), and validation-retry in-turn via `ToolArgsError`. The schema is `structuredClone`d at `start()` (caller mutation cannot drift enforcement). Deliberately NO re-prompt: a child that finishes cleanly without calling the tool settles `error` to the parent. Lifetime is refcounted by backends (plugin lifetime) AND live runs (start → settle). The seam's `outputSchema` type became the raw JSON-Schema SUBSET (`StructuredOutputSchema` in dsh-tools: single-string `type`, `properties`/`required`/`additionalProperties`, `items`, scalar `enum`/`const`; anything unenforced is rejected loud) — the schema travels verbatim to the model as the forced tool's parameters, so the wire format, not the author DSL, is the right vocabulary. ## Deferred (documented non-goals of this cut) diff --git a/packages/workflow/workflow-vm/tests/integration.spec.ts b/packages/workflow/workflow-vm/tests/integration.spec.ts index 48b308a986..3572131a8a 100644 --- a/packages/workflow/workflow-vm/tests/integration.spec.ts +++ b/packages/workflow/workflow-vm/tests/integration.spec.ts @@ -32,7 +32,7 @@ async function setup(script: Script) { await ctx.plugin(Invariants) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(SubagentService) - await ctx.plugin(spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) + await ctx.plugin(spawn, { providerName: 'spawn' }) await ctx.plugin(VmWorkflowEngine, {}) ctx.llm.registerAdapter(['mock'], adapter) const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) diff --git a/packages/workflow/workflow-vm/tests/workflow.e2e.ts b/packages/workflow/workflow-vm/tests/workflow.e2e.ts index 6ddfdb7251..c3f959d072 100644 --- a/packages/workflow/workflow-vm/tests/workflow.e2e.ts +++ b/packages/workflow/workflow-vm/tests/workflow.e2e.ts @@ -39,7 +39,7 @@ async function harness(): Promise { await built.plugin(AgentLoop, { agents: [] }) await built.plugin(LlmDeepSeek, { models: ['deepseek-v4-flash'] }) await built.plugin(SubagentService) - await built.plugin(Spawn, { providerName: 'spawn', structuredNudgeRetries: 1 }) + await built.plugin(Spawn, { providerName: 'spawn' }) await built.plugin(VmWorkflowEngine, { provider: 'spawn' }) await built.plugin(ToolWorkflow, {}) return built From afab88b139717830590fb65b24274aff124203ea Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 7 Jul 2026 16:22:57 +0800 Subject: [PATCH 33/90] docs(rfc): record the schema-validation alternatives considered MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The #192 review discussion, preserved where design rationale lives: a schema-object library (zod/schemastery) cannot sit at a wire-data boundary; ajv replaces only the value walker while the subset gate — the module's point — stays hand-written; provider JSON mode guarantees valid JSON, not schema-conforming JSON, and would trade away mid-run tools and in-turn validation retry for it. Strict tool schemas are named as the accepted upgrade path when the provider ships them. --- docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 7bf09f742c..daf041a1d8 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -56,6 +56,9 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai - **Workflow-layer JSON parsing for `agent({schema})`**: duplicating a seam concern at one consumer while the seam's capability flag stayed dishonestly `false`. - **Meta as tool parameters instead of `export const meta`**: zero parsing, but scripts stop being self-contained artifacts and CC-authored scripts stop being drop-in. - **`SchemaSpec` as the outputSchema type**: the author-facing DSL cannot express what arrives as data and cannot be validated against without conversion loss. +- **A schema-object library (zod, or the repo's schemastery) for the structured-output subset**: the schema is wire data — plain JSON that crosses the vm realm boundary in `agent({schema})` and lands verbatim in the forced tool's parameters — exactly where live schema objects cannot sit; consuming raw JSON Schema at runtime would need a third-party converter on top (zod core only emits JSON Schema, not the reverse), and it would put a second schema language beside schemastery's config role. +- **ajv for value validation**: it validates FULL JSON Schema, so the subset gate — the module's actual point, since every accepted keyword must be one the harness enforces — would remain hand-written regardless; it compiles validators through `new Function`; and it would be dsh-tools' first runtime dependency, all to replace the ~70-line value walker while the path-qualified, every-violation error reporting stays custom either way. +- **Provider JSON mode (`response_format: {type: json_object}`) instead of the forced capture tool**: the official API guarantees valid JSON, not schema-conforming JSON (no `json_schema` type; the docs' own guidance is to validate client-side, with the schema riding in the prompt), so both walkers survive untouched and only the capture-tool mechanics could go — at the cost of tools during a structured child's run (whether `response_format` composes with tool calling is undocumented), the in-turn validation retry (`ToolArgsError` keeps recovery inside the turn; a JSON-mode empty body — a documented failure mode — ends the turn, and the only recovery is the re-prompt loop this design rejects), and a new per-adapter `LlmCallConfig` surface. The accepted upgrade path is strict TOOL schemas (provider-side constrained decoding on tool parameters) when available: the same forced tool and subset gate, with the gate narrowed to the provider's strict subset. ## Consequences From 1f5db6e0b0ce3b7ee055a6712167ee474910b1e7 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 7 Jul 2026 22:39:05 +0800 Subject: [PATCH 34/90] docs: satisfy the export-JSDoc gate across the workflow packages Master's verify-export-jsdoc landed mid-stack; complete the six missing @param/@returns on the workflow trio's public surface (and the services catalog they regenerate into). --- docs/cordis-catalog/services.md | 2 +- packages/workflow/workflow-vm/src/runtime.ts | 4 ++++ packages/workflow/workflow/src/index.ts | 6 +++++- packages/workflow/workflow/src/types.ts | 6 +++++- 4 files changed, 15 insertions(+), 3 deletions(-) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index f292045c69..3e991726d4 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -243,7 +243,7 @@ Semantics every implementation must honor: abstract start(request: WorkflowStartRequest): WorkflowRun ``` -Source: [`packages/workflow/workflow/src/index.ts:198`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:202`](../../packages/workflow/workflow/src/index.ts) ## Inherited `ctx` members (cordis core + loader/hmr/timer) diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index f1901ffaf7..0938b7f2c9 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -225,6 +225,8 @@ export class WorkflowExecution { * `disposeGraceMs` (parked on a promise no hook owns) is abandoned so * `result` settles regardless (see {@link abandoned}). Idempotent; the * first reason wins. + * @param reason - human-readable cause, carried on the CANCELLED error and + * into child `run.cancel()` calls (default `'workflow cancelled'`). */ cancel(reason?: string): void { if (this.cancelReason !== undefined) return @@ -244,6 +246,8 @@ export class WorkflowExecution { * cancellation (or outlived its post-cancel grace and was abandoned — see * {@link abandoned}). After settlement, any stray children a script fired * without awaiting are aborted (their `agent()` wrappers dispose them). + * @returns the settled outcome — this promise NEVER rejects (the seam's + * `result`-never-rejects contract); every failure maps to a variant. */ async drive(): Promise { try { diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index 31b9eed038..288f6af952 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -168,7 +168,11 @@ export class WorkflowError extends HarnessError { } } -/** Whether combinators must re-throw `error` instead of mapping the item to `null`. */ +/** + * Whether combinators must re-throw `error` instead of mapping the item to `null`. + * @param error - any thrown value; fatality is host `instanceof` (unforgeable from a script realm). + * @returns true iff `error` is a {@link WorkflowError} whose `fatal` flag is set. + */ export function isFatalWorkflowError(error: unknown): boolean { return error instanceof WorkflowError && error.fatal } diff --git a/packages/workflow/workflow/src/types.ts b/packages/workflow/workflow/src/types.ts index 01e5d08bf0..767fb8257b 100644 --- a/packages/workflow/workflow/src/types.ts +++ b/packages/workflow/workflow/src/types.ts @@ -12,7 +12,11 @@ import type { Agent, AgentId } from '@deepseek-ai/dsh-agent' /** Identifies one workflow run. */ export type WorkflowRunId = Branded<'WorkflowRunId'> -/** Brand a string as a {@link WorkflowRunId}. */ +/** + * Brand a string as a {@link WorkflowRunId}. + * @param id - the raw id string (the engine mints UUIDs; tests may pass fixtures). + * @returns the same string, branded. + */ export function WorkflowRunId(id: string): WorkflowRunId { return id as WorkflowRunId } From 737e1f7c0ac824bbd9aa61f6d856497767a4e36c Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 7 Jul 2026 23:22:05 +0800 Subject: [PATCH 35/90] chore: absorb master's explicit tool order into the stack MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The tool-order feature canonicalizes the model-facing list (alphabetical absent a configured toolOrder), so the header-pinning text-turn fixture is re-recorded on the stacked tree — every other fixture stores the header as scrubbed tokens and needed nothing. AGENTS.md condensed back under its ceiling after the merge union. --- AGENTS.md | 4 +- .../tests/snapshots/text-turn/session.jsonl | 69 +++++++++---------- .../snapshots/text-turn/stdout.golden.jsonl | 9 +-- 3 files changed, 38 insertions(+), 44 deletions(-) diff --git a/AGENTS.md b/AGENTS.md index 5f2f8e4cdd..fc33e2f049 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -1,10 +1,10 @@ # AGENTS.md -This is the monorepo of the DeepSeek Harness group; it hosts **DeepSeek Harness SDK**, a plugin-based SDK for building agent harnesses. The codebase is built on the vendored Cordis framework, microkernel-style: **everything is a plugin**. Read [docs/architecture.md](docs/architecture.md) before changing `packages/`; the documentation standard is [docs/AGENTS.md](docs/AGENTS.md). +The DeepSeek Harness group monorepo, hosting **DeepSeek Harness SDK** — a plugin-based SDK for building agent harnesses on the vendored Cordis framework, microkernel-style: **everything is a plugin**. Read [docs/architecture.md](docs/architecture.md) before changing `packages/`; the documentation standard is [docs/AGENTS.md](docs/AGENTS.md). ## Pre-release stance: foundation over blast radius -**This applies only while the harness is unreleased — remove this section at the first tagged release.** There are no external consumers, so optimize for the correct foundation, not a small diff: move files, rename public symbols, repackage plugins, and update every reference in the same change. No backward-compat shims, deprecation aliases, or re-export stubs. On-disk formats need no migrations — a backend REJECTS anything not at the current version. Two sanctioned version stances: monotonic bump-and-reject (the SQLite backend's `SCHEMA_VERSION`), and a pinned `0` that absorbs all shape churn (`SESSION_FORMAT_VERSION` in `dsh-session`, documented "no compatibility implied"). Real version policy begins at the first release. +**Applies only while the harness is unreleased — remove this section at the first tagged release.** With no external consumers, optimize for the correct foundation, not a small diff: move files, rename public symbols, repackage plugins, and update every reference in the same change. No backward-compat shims, deprecation aliases, or re-export stubs. On-disk formats need no migrations — a backend REJECTS anything not at the current version. Two sanctioned version stances: monotonic bump-and-reject (the SQLite backend's `SCHEMA_VERSION`), and a pinned `0` that absorbs all shape churn (`SESSION_FORMAT_VERSION` in `dsh-session`, documented "no compatibility implied"). Real version policy begins at the first release. ## Repository layout diff --git a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl index 008d968c01..3e91a5a62a 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl @@ -1,36 +1,33 @@ -{"type":"session","version":0,"id":"72de3ed9-a2cb-44da-a9fd-5249b5c65b52","createdAt":1783352040349,"cwd":"/tmp/acp-snap-cwd-7wwwVQ"} -{"type":"turn/start","seq":0,"time":1783352040353,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783352040354,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783352040355,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783352040356,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-7wwwVQ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe script MUST begin with `export const meta = {...}` — a PURE object literal (no variables, calls, or template interpolation) with required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. 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The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `)."},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. 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-{"type":"assistant/chunk","seq":31,"time":1783352041228,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} -{"type":"assistant/message","seq":32,"time":1783352041230,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to reply with exactly the word \"PONG\" and not use any tools."},{"type":"text","text":"PONG"}],"usage":{"inputTokens":2868,"outputTokens":23,"cacheReadTokens":0,"reasoningTokens":20}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],"surfaceOp":"append"} -{"type":"step/end","seq":33,"time":1783352041231,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":34,"time":1783352041231,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"session","version":0,"id":"423e2c78-075e-4286-8027-85b0e64da45d","createdAt":1783437535685,"cwd":"/tmp/acp-snap-cwd-XUOYdd"} +{"type":"turn/start","seq":0,"time":1783437535688,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783437535689,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783437535690,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783437535690,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-XUOYdd.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe script MUST begin with `export const meta = {...}` — a PURE object literal (no variables, calls, or template interpolation) with required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; `Date.now()`, `Math.random()`, and argless `new Date()` throw (pass timestamps via `args`); no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `)."},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783437536390,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783437536390,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} +{"type":"assistant/chunk","seq":6,"time":1783437536568,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} +{"type":"assistant/chunk","seq":7,"time":1783437536591,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" wants"}}} +{"type":"assistant/chunk","seq":8,"time":1783437536592,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} +{"type":"assistant/chunk","seq":9,"time":1783437536592,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} +{"type":"assistant/chunk","seq":10,"time":1783437536592,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" reply"}}} +{"type":"assistant/chunk","seq":11,"time":1783437536592,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" 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+{"type":"assistant/chunk","seq":18,"time":1783437536675,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" no"}}} +{"type":"assistant/chunk","seq":19,"time":1783437536675,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" tools"}}} +{"type":"assistant/chunk","seq":20,"time":1783437536675,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"."}}} +{"type":"assistant/chunk","seq":21,"time":1783437536675,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":22,"time":1783437536675,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"P"}}} +{"type":"assistant/chunk","seq":23,"time":1783437536702,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"ONG"}}} +{"type":"assistant/chunk","seq":24,"time":1783437536703,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":1,"text":"."}}} +{"type":"assistant/chunk","seq":25,"time":1783437536704,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The user wants me to reply with exactly \"PONG.\" and no tools."}}}} +{"type":"assistant/chunk","seq":26,"time":1783437536704,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"PONG."}}}} +{"type":"assistant/chunk","seq":27,"time":1783437536704,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2867,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":16}}}} +{"type":"assistant/chunk","seq":28,"time":1783437536704,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":29,"time":1783437536706,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to reply with exactly \"PONG.\" and no tools."},{"type":"text","text":"PONG."}],"usage":{"inputTokens":2867,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":16}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28],"surfaceOp":"append"} +{"type":"step/end","seq":30,"time":1783437536706,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":31,"time":1783437536706,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl index dda3afb9c5..bc3582f027 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl @@ -8,18 +8,15 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" exactly"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" word"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"P"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ONG"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":".\""}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" and"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" not"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" use"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" any"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" no"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" tools"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"P"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"ONG"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"."}}}} {"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} From 773ecf03f578d1cf8c775fb3d51f6b872cf3ae81 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Wed, 8 Jul 2026 00:51:19 +0800 Subject: [PATCH 36/90] workflow: drop the determinism bans (unimplemented-resume pre-support) The Date.now()/Math.random()/argless-new-Date() bans existed solely to keep scripts resume-compatible for the deferred journaling/resume feature. Pre-support for an unimplemented feature is speculative cost: scripts may now read the clock freely; implementing resume reintroduces the bans as a script-contract tightening. The RFC's shipped-state description is updated in place, the tool DESCRIPTION drops the constraint sentence (the pinned text-turn header follows), and the engine README's trust-premise paragraph now leans on absent globals alone. --- .../feature/2026-07-05-dynamic-workflows.md | 4 ++-- docs/tool-catalog.md | 2 +- .../tests/snapshots/text-turn/session.jsonl | 2 +- packages/workflow/tool-workflow/README.md | 2 +- packages/workflow/tool-workflow/src/index.ts | 6 +++--- packages/workflow/workflow-vm/README.md | 4 ++-- packages/workflow/workflow-vm/src/runtime.ts | 20 ------------------- .../workflow-vm/tests/workflow-vm.spec.ts | 11 +--------- 8 files changed, 11 insertions(+), 40 deletions(-) diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index daf041a1d8..f7749efa56 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -12,7 +12,7 @@ A workflow capability family at `packages/workflow/` in the bash seam shape (int ### The script contract (Claude Code-compatible) -A script is `export const meta = {...}` (a PURE object literal: `name`, `description`, optional `whenToUse`/`phases`) followed by a plain-JS body with top-level `await`, ending in `return `. The body sees exactly: `agent(prompt, {label, phase, schema, model})`, `parallel(thunks)`, `pipeline(items, ...stages)` (NO cross-stage barrier; `(prev, item, index)` callbacks), `phase(title)`, `log(message)`, and `args`. CC semantics are preserved where they matter to script authors: a failed child resolves `null` (scripts `.filter(Boolean)`); an ordinary stage throw nulls the ITEM and skips its remaining stages; `Date.now()`/`Math.random()`/argless `new Date()` throw (kept banned so future resume support cannot break script compatibility). +A script is `export const meta = {...}` (a PURE object literal: `name`, `description`, optional `whenToUse`/`phases`) followed by a plain-JS body with top-level `await`, ending in `return `. The body sees exactly: `agent(prompt, {label, phase, schema, model})`, `parallel(thunks)`, `pipeline(items, ...stages)` (NO cross-stage barrier; `(prev, item, index)` callbacks), `phase(title)`, `log(message)`, and `args`. CC semantics are preserved where they matter to script authors: a failed child resolves `null` (scripts `.filter(Boolean)`); an ordinary stage throw nulls the ITEM and skips its remaining stages. CC's determinism bans (`Date.now()`/`Math.random()`/argless `new Date()` throwing) are NOT enforced — they exist for CC's journaling/resume, which this cut defers — so a CC-authored script runs unchanged while scripts written here may freely read the clock. One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferred options (`effort`/`isolation`/`agentType`), malformed arguments, schemas outside the supported subset, tripped caps, seam start failures — throws a `WorkflowError` with `fatal: true`, and the combinators RE-THROW fatal errors instead of nulling the item. Without this, a typo'd option dissolves into a `null` indistinguishable from a child failure — the accepted-then-ignored failure mode this repo bans. One addition: the tool's `args` parameter is a JSON OBJECT (a bare list is wrapped as a field) so the wire schema stays honest. @@ -41,7 +41,7 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai ## Deferred (documented non-goals of this cut) - **Background collection** (start tool → run id → completion notice → collect), designed alongside bash/subagent background unification. -- **Journaling + resume** (`resumeFromRunId`, cached agent() prefixes) — the determinism bans already keep scripts resume-compatible. +- **Journaling + resume** (`resumeFromRunId`, cached agent() prefixes) — implementing it reintroduces CC's determinism bans as a script-contract tightening (scripts may read the clock today). - **Saved/bundled workflows** (a `.deepseek/workflows/` registry, slash-command surface) and **script persistence to a run directory** (the tool-call event already records the script durably). - **Nested `workflow()`**, **token `budget`**, and the `effort`/`isolation`/`agentType` agent options (each rejects loud with a message naming it deferred). - **An overall run wall-clock timeout** — cancellation always frees the caller (result settles within the grace), so a cap on total run time is a policy knob for the background redesign, not a correctness need here. diff --git a/docs/tool-catalog.md b/docs/tool-catalog.md index 87b1a8a999..3794b1d7a7 100644 --- a/docs/tool-catalog.md +++ b/docs/tool-catalog.md @@ -293,7 +293,7 @@ Script-body hooks: Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. -Constraints: concurrency and total-agent caps apply; `Date.now()`, `Math.random()`, and argless `new Date()` throw (pass timestamps via `args`); no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. +Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. ```json { diff --git a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl index 3e91a5a62a..39898c5003 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783437535688,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783437535689,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783437535690,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783437535690,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-XUOYdd.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe script MUST begin with `export const meta = {...}` — a PURE object literal (no variables, calls, or template interpolation) with required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; `Date.now()`, `Math.random()`, and argless `new Date()` throw (pass timestamps via `args`); no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `)."},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783437535690,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-XUOYdd.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe script MUST begin with `export const meta = {...}` — a PURE object literal (no variables, calls, or template interpolation) with required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `)."},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783437536390,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783437536390,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783437536568,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/packages/workflow/tool-workflow/README.md b/packages/workflow/tool-workflow/README.md index 37c9f9f426..44160d8fc1 100644 --- a/packages/workflow/tool-workflow/README.md +++ b/packages/workflow/tool-workflow/README.md @@ -4,7 +4,7 @@ The model-facing **`workflow` tool**: run a JavaScript orchestration script that ## What the model sees -Two parameters: `script` (required — the full `export const meta = {...}` + body text; the tool DESCRIPTION carries the complete authoring contract: hooks, semantics, determinism bans, the supported schema subset) and `args` (optional JSON object exposed to the script as the `args` global; a bare list is wrapped as a field, a deliberate deviation from Claude Code's any-JSON `args` so the wire schema stays honest). The plugin also contributes a `tool:` system-prompt section carrying the usage policy — use the tool only on an explicit user ask for a workflow / large orchestration; prefer plain subagent calls for one or two delegations — per the convention that tool guidance ships with the tool plugin, never in the deployment persona. +Two parameters: `script` (required — the full `export const meta = {...}` + body text; the tool DESCRIPTION carries the complete authoring contract: hooks, semantics, the supported schema subset) and `args` (optional JSON object exposed to the script as the `args` global; a bare list is wrapped as a field, a deliberate deviation from Claude Code's any-JSON `args` so the wire schema stays honest). The plugin also contributes a `tool:` system-prompt section carrying the usage policy — use the tool only on an explicit user ask for a workflow / large orchestration; prefer plain subagent calls for one or two delegations — per the convention that tool guidance ships with the tool plugin, never in the deployment persona. ## Lifecycle diff --git a/packages/workflow/tool-workflow/src/index.ts b/packages/workflow/tool-workflow/src/index.ts index 4df4d6aba1..a5eae80aec 100644 --- a/packages/workflow/tool-workflow/src/index.ts +++ b/packages/workflow/tool-workflow/src/index.ts @@ -51,8 +51,8 @@ export const Config: z = z.object({ /** * The script-authoring contract, embedded in the tool description. This IS the - * model-facing spec: the meta block, the hooks and their exact semantics, the - * determinism bans, and the supported schema subset. + * model-facing spec: the meta block, the hooks and their exact semantics, and + * the supported schema subset. */ const DESCRIPTION = `Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. @@ -66,7 +66,7 @@ Script-body hooks: Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item \`null\`. -Constraints: concurrency and total-agent caps apply; \`Date.now()\`, \`Math.random()\`, and argless \`new Date()\` throw (pass timestamps via \`args\`); no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.` +Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.` type WorkflowCallArgs = { script: string; args?: Record } diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index e81e74dc7e..e29073c2b3 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -4,13 +4,13 @@ The first [`WorkflowService`](../workflow/README.md) implementation: an in-proce ## Trust premise -Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. vm is NOT a security boundary and no attempt is made to contain adversarial values: property reads on script values may run script code (a getter, a `toString`, a proxy trap) on the host stack, and a script determined to hang the process can simply spin past its first await (see the limitations below). Concretely, the context is **escapable by construction**: `node:vm` shares object machinery with the host, so a script can reach the host `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin — the absent globals and determinism bans are API surface that keeps honest scripts portable and resume-compatible, not walls. What the engine DOES guarantee, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection (the app boot layer exits the process on those), values that JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing is an engine swap behind the seam (worker-thread/isolated-vm, where the boundary is serialization by construction), not incremental host-side defenses here. +Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. vm is NOT a security boundary and no attempt is made to contain adversarial values: property reads on script values may run script code (a getter, a `toString`, a proxy trap) on the host stack, and a script determined to hang the process can simply spin past its first await (see the limitations below). Concretely, the context is **escapable by construction**: `node:vm` shares object machinery with the host, so a script can reach the host `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin — the absent globals are API surface that keeps honest scripts portable, not walls. What the engine DOES guarantee, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection (the app boot layer exits the process on those), values that JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing is an engine swap behind the seam (worker-thread/isolated-vm, where the boundary is serialization by construction), not incremental host-side defenses here. ## The script contract it executes - **Meta extraction** (`extractMeta`): a string/comment-aware brace scanner finds the leading `export const meta` literal (template interpolation rejected — the literal must be pure), evaluates it ALONE in an empty timed vm context, materializes the result to plain JSON data, validates the shape (`name`/`description` required; unknown fields rejected loud), and blanks the statement line-preservingly so error stacks keep the script's own line numbers. - **Hooks**: `agent(prompt, {label, phase, schema, model})` (schema = the [structured-output subset](../../core/tools/README.md), forwarded as `outputSchema`; result = validated object, or final text without a schema; a failed child resolves `null`), `parallel(thunks)`, `pipeline(items, ...stages)` with NO cross-stage barrier and `(prev, item, index)` stage callbacks, `phase(title)`, `log(message)`, and the `args` global. Anything else — `effort`/`isolation`/`agentType`, unknown options, malformed arguments, schemas outside the subset — throws a FATAL `WorkflowError` that `parallel`/`pipeline` re-throw rather than nulling (see the seam README's failure discipline). -- **Determinism bans**: `Date.now()`, `Math.random()`, and argless `new Date()` throw (kept even though resume is deferred, so scripts stay resume-compatible); no timers, filesystem, or Node APIs are injected into the context (absence is API surface, not containment — see the trust premise). +- **No ambient APIs**: no timers, filesystem, or Node APIs are injected into the context (absence is API surface, not containment — see the trust premise). ## The value boundary diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index 0938b7f2c9..c4e5d1c651 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -75,25 +75,6 @@ const SUPPORTED_AGENT_OPTIONS = new Set(['label', 'phase', 'schema', 'model']) /** Deferred Claude Code options we name explicitly in the rejection message. */ const DEFERRED_AGENT_OPTIONS = new Set(['effort', 'isolation', 'agentType']) -/** The in-context prelude that bans the nondeterminism sources (kept even though resume is deferred, so scripts stay resume-compatible). */ -const DETERMINISM_PRELUDE = ` -{ - const banned = (name) => () => { - throw new Error(name + ' is not available in workflow scripts (runs must stay deterministic for future resume support; pass timestamps in via args)') - } - Math.random = banned('Math.random()') - Date.now = banned('Date.now()') - const RealDate = Date - globalThis.Date = new Proxy(RealDate, { - construct(target, args, newTarget) { - if (args.length === 0) banned('argless new Date()')() - return Reflect.construct(target, args, newTarget) - }, - apply: banned('Date()'), - }) -} -` - /** Flatten a child's final output blocks to text (the non-schema `agent()` result). */ function outputText(blocks: ContentBlock[]): string { return blocks @@ -167,7 +148,6 @@ export class WorkflowExecution { } this.context = vm.createContext({}, { name: `workflow:${meta.name}` }) - vm.runInContext(DETERMINISM_PRELUDE, this.context) // A run that settles without ever being abandoned leaves `abandoned` // permanently pending or rejecting into the void — consume it so a late // grace timer cannot surface an unhandled rejection. diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index 1dc4833426..eeda6bf049 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -413,16 +413,7 @@ describe('dsh-workflow-vm', () => { }) }) - describe('determinism bans and the value boundary', () => { - it('Date.now, Math.random, and argless new Date throw; parameterized Date stays usable', async () => { - const { ctx, parent } = await setup() - expect((await run(ctx, parent, script('return Date.now()'))).error).toContain('Date.now() is not available') - expect((await run(ctx, parent, script('return Math.random()'))).error).toContain('Math.random() is not available') - expect((await run(ctx, parent, script('return new Date().toISOString()'))).error).toContain('argless new Date()') - const ok = await run(ctx, parent, script('return new Date(0).getTime()')) - expect(ok.value).toBe(0) - }) - + describe('the value boundary', () => { it('args are cloned at start: a script scribbling on them cannot mutate the caller\'s object', async () => { const { ctx, parent } = await setup() const hostArgs = { files: ['a.ts'], nested: { deep: [1, 2] } } From f453ba77a209a9e071df75dfb427a1836c9ed6da Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Wed, 8 Jul 2026 15:50:38 +0800 Subject: [PATCH 37/90] refactor: split skill providers --- docs/architecture.md | 6 +- docs/capability-seams.md | 6 +- docs/cordis-catalog/events.md | 22 + docs/cordis-catalog/services.md | 5 +- docs/core-data-structures/skills.md | 83 +- docs/event-producer-consumer.md | 2 + docs/module-graph.md | 11 +- .../feature/2026-07-05-skill-system.md | 20 +- .../tests/snapshots/cancel/session.jsonl | 2 +- .../snapshots/error-finish/session.jsonl | 2 +- .../tests/snapshots/fs-edit/session.jsonl | 2 +- .../snapshots/fs-policy-reject/session.jsonl | 2 +- .../snapshots/fs-read-window/session.jsonl | 2 +- .../tests/snapshots/fs-read/session.jsonl | 2 +- .../snapshots/fs-terminal-card/session.jsonl | 2 +- .../fs-write-overwrite/session.jsonl | 2 +- .../tests/snapshots/fs-write/session.jsonl | 2 +- .../hook-cc-posttool-block/session.jsonl | 2 +- .../hook-cc-posttool-context/session.jsonl | 2 +- .../hook-cc-pretool-ask/session.jsonl | 2 +- .../hook-cc-pretool-deny/session.jsonl | 2 +- .../session.jsonl | 2 +- .../hook-cc-stop-continue/session.jsonl | 2 +- .../hook-codex-posttool-block/session.jsonl | 2 +- .../hook-codex-posttool-context/session.jsonl | 2 +- .../hook-codex-pretool-block/session.jsonl | 2 +- .../session.jsonl | 2 +- .../hook-codex-stop-continue/session.jsonl | 2 +- .../tests/snapshots/multi-turn/session.jsonl | 2 +- .../tests/snapshots/skill-load/session.jsonl | 4 +- .../snapshots/skill-load/stdout.golden.jsonl | 2 +- .../.dsh/skills/dsh-skill-creator/SKILL.md | 12 + .../snapshots/subagent-fork/session.1.jsonl | 4 +- .../snapshots/subagent-fork/session.jsonl | 2 +- .../snapshots/subagent-mixed/session.1.jsonl | 2 +- .../snapshots/subagent-mixed/session.2.jsonl | 4 +- .../snapshots/subagent-mixed/session.jsonl | 2 +- .../snapshots/subagent-multi/session.1.jsonl | 2 +- .../snapshots/subagent-multi/session.2.jsonl | 2 +- .../snapshots/subagent-multi/session.jsonl | 2 +- .../snapshots/subagent-spawn/session.1.jsonl | 2 +- .../snapshots/subagent-spawn/session.jsonl | 2 +- .../tests/snapshots/text-turn/session.jsonl | 2 +- .../tests/snapshots/todo-plan/session.jsonl | 2 +- .../snapshots/tool-call-turn/session.jsonl | 2 +- .../snapshots/workspace-edit/session.jsonl | 2 +- packages/core/README.md | 7 +- packages/core/agent-core/README.md | 13 +- packages/core/agent-core/package.json | 4 +- packages/core/agent-core/src/index.ts | 36 +- .../core/agent-core/tests/agent-core.spec.ts | 35 +- packages/core/agent-core/tsconfig.json | 3 + packages/core/skill-local/README.md | 37 + packages/core/skill-local/package.json | 38 + packages/core/skill-local/src/index.ts | 413 ++++++++ .../skill-local/tests/skill-local.spec.ts | 352 +++++++ packages/core/skill-local/tsconfig.json | 15 + packages/core/skill/README.md | 48 +- packages/core/skill/package.json | 9 +- packages/core/skill/src/index.ts | 658 +++++-------- packages/core/skill/tests/skill.spec.ts | 918 ++++-------------- packages/core/skill/tsconfig.json | 5 +- packages/core/tool-skill/README.md | 2 +- packages/core/tool-skill/package.json | 1 + packages/core/tool-skill/src/index.ts | 25 +- .../core/tool-skill/tests/tool-skill.spec.ts | 66 +- packages/ui/acp-agent/README.md | 2 +- packages/ui/acp-agent/src/index.ts | 4 +- packages/ui/acp-agent/tests/acp-agent.spec.ts | 7 +- packages/ui/stdio-agent/README.md | 2 +- packages/ui/stdio-agent/src/index.ts | 4 +- .../ui/stdio-agent/tests/stdio-agent.spec.ts | 7 +- pnpm-lock.yaml | 34 +- scripts/gen-doc-graphs.ts | 6 +- scripts/gen-tool-catalog.ts | 5 +- scripts/type-equiv.manifest.json | 3 + tsconfig.json | 1 + 77 files changed, 1673 insertions(+), 1334 deletions(-) create mode 100644 examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md create mode 100644 packages/core/skill-local/README.md create mode 100644 packages/core/skill-local/package.json create mode 100644 packages/core/skill-local/src/index.ts create mode 100644 packages/core/skill-local/tests/skill-local.spec.ts create mode 100644 packages/core/skill-local/tsconfig.json diff --git a/docs/architecture.md b/docs/architecture.md index ddbc66c8b5..bcd4504114 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -17,7 +17,7 @@ The default distribution is a composition, not a hierarchy. `packages/core/` is | `ctx.sessions` | `dsh-session` | in-memory event-sourced sessions | | `ctx.systemPrompt` | `dsh-system-prompt` | ordered prompt sections, tool schemas, and prompt variables | | `ctx.tools` | `dsh-tools` | tool registry and [execution pipeline](tool-execution-pipeline.md) | -| `ctx.skills` | `dsh-skill` | project/user/system skill discovery and request-time guidance | +| `ctx.skills` | `dsh-skill` | provider registry for skills and request-time guidance | | `ctx.agents` | `dsh-agent` | live agent registry, public `Agent` handle, `agent/*` vocabulary | | `ctx.agentLoop` | `dsh-agent-loop` | shipped `ReactLoopAgent` driver | @@ -125,11 +125,11 @@ Streaming is a raw chunk protocol (`block-start` through `finish`) with `BlockAs A swappable capability usually splits into **interface / implementation / consumer**: the interface owns the `ctx` key and vocabulary; an implementation registers a backend; a consumer exposes model-facing behavior through `ctx.tools` or prompt assembly. The bash trio is the reference shape, and the [capability seam graph](capability-seams.md) shows the current package families. -Some seams bend the template deliberately. LLM keeps interface and consumer vocabulary together because adapters are the implementations. Filesystem adds policy as event gates around provider primitives. Web is one service with search and fetch provider registries, so provider swaps do not rename model tools. Subagents use a named provider registry because multiple delegation backends can coexist; `spawn` starts fresh, `fork` seeds from the parent's completed-turn prefix, and ACP can drive an out-of-process child ([subagent.md](core-data-structures/subagent.md)). +Some seams bend the template deliberately. LLM keeps interface and consumer vocabulary together because adapters are the implementations. Filesystem adds policy gates around provider primitives. Web is one service with search and fetch provider registries, so provider swaps do not rename model tools. Skills and subagents use named provider registries; local skills scan project/user roots, and other providers can add embedded or remote catalogs without registry/tool changes. Subagents spawn fresh, fork from the parent's completed-turn prefix, or use ACP children ([subagent.md](core-data-structures/subagent.md)). ### Bundles And Apps -`dsh-agent-core` is the default composition bundle: one plugin loading the providerless spine as code ([README](../packages/core/agent-core/README.md)). App packages compose it with a front door and own the boot `bin`: `dsh-stdio-agent` for the terminal REPL, and `dsh-acp-agent` for ACP over JSON-RPC stdio with no stdout logger ([ui/](../packages/ui/README.md)). A deployment is a thin `cordis.yml` leaf: swappable backends, one app entry, and optional product tools ([examples/](../examples/AGENTS.md), [runnable wirings](cookbook/extension-cookbook.md#runnable-wirings), [graph atlas](graph-atlas.md)). +`dsh-agent-core` is the default composition bundle: one plugin loading the shared spine ([README](../packages/core/agent-core/README.md)). App packages compose it with a front door and boot `bin`: `dsh-stdio-agent` for terminal REPL, and `dsh-acp-agent` for ACP over JSON-RPC stdio with no stdout logger ([ui/](../packages/ui/README.md)). A deployment is a thin `cordis.yml` leaf: swappable backends, one app entry, and optional product tools ([examples/](../examples/AGENTS.md), [runnable wirings](cookbook/extension-cookbook.md#runnable-wirings), [graph atlas](graph-atlas.md)). ### Where New Behavior Goes diff --git a/docs/capability-seams.md b/docs/capability-seams.md index f4bd420239..c799dfaa7b 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -35,8 +35,9 @@ flowchart LR pkg_tool_subagent["tool-subagent"] pkg_tool_todo["tool-todo"] pkg_skill["skill"] - svc_skills["ctx.skills
Skill discovery registry"] + svc_skills["ctx.skills
Skill provider registry"] pkg_agent_core["agent-core"] + pkg_skill_local["skill-local"] svc_agents["ctx.agents
Agent registry"] pkg_stdio_agent["stdio-agent"] svc_agentLoop["ctx.agentLoop
Concrete loop driver"] @@ -113,6 +114,7 @@ flowchart LR svc_sessions --> pkg_session_persistence svc_sessions --> pkg_subagent_inprocess svc_skills --> pkg_agent_core + svc_skills --> pkg_skill_local svc_skills --> pkg_tool_skill svc_subagents --> pkg_tool_subagent svc_systemPrompt --> pkg_agent_loop @@ -138,7 +140,7 @@ flowchart LR | `ctx.sessionPersistence` | `seam` | [`session-persistence`](../packages/session-persistence/session-persistence) | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl), [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp) | - | Backends persist the same SessionEvent vocabulary; apps choose a backend at composition time. | | `ctx.systemPrompt` | `core` | [`system-prompt`](../packages/core/system-prompt) | - | [`agent-loop`](../packages/core/agent-loop), [`tools`](../packages/core/tools), [`tool-fs`](../packages/fs/tool-fs), [`tool-web`](../packages/web/tool-web) | - | Collects prompt sections and model-facing tool schemas for each step. | | `ctx.tools` | `core` | [`tools`](../packages/core/tools) | - | [`agent-loop`](../packages/core/agent-loop), [`tool-bash`](../packages/bash/tool-bash), [`tool-fs`](../packages/fs/tool-fs), [`tool-skill`](../packages/core/tool-skill), [`tool-subagent`](../packages/subagent/tool-subagent), [`tool-todo`](../packages/todo/tool-todo), [`tool-web`](../packages/web/tool-web), [`acp`](../packages/ui/acp) | - | Registers tool definitions, exposes schemas to the prompt, and routes calls through tools/pre-execute and tools/post-execute. | -| `ctx.skills` | `core` | [`skill`](../packages/core/skill) | - | [`agent-core`](../packages/core/agent-core), [`tool-skill`](../packages/core/tool-skill) | - | Discovers project/user/system skills, injects request-time listings, and serves full skill bodies to the skill tool. | +| `ctx.skills` | `core` | [`skill`](../packages/core/skill) | - | [`agent-core`](../packages/core/agent-core), [`skill-local`](../packages/core/skill-local), [`tool-skill`](../packages/core/tool-skill) | - | Merges provider skill catalogs, injects request-time listings, and serves full skill bodies to the skill tool. | | `ctx.agents` | `core` | [`agent`](../packages/core/agent) | - | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`stdio-agent`](../packages/ui/stdio-agent), [`invariants`](../packages/support/invariants) | - | Owns live Agent handles and the create/resume factory seam. | | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | | `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local. | diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 753cf8f4d0..64d571f163 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -233,6 +233,28 @@ Awaited durability checkpoint. The agent loop awaits `ctx.parallel('session/flus Source: [`packages/core/session/src/index.ts:57`](../../packages/core/session/src/index.ts) +## `skill/*` + +### `skill/provider-added` — emit + +A skill provider became resolvable in the `ctx.skills` registry. Consumers can observe this instead of depending on Cordis plugin load order, which is concurrent for sibling plugins. + +```ts cordis-catalog +'skill/provider-added'(provider: SkillProvider): void +``` + +Source: [`packages/core/skill/src/index.ts:127`](../../packages/core/skill/src/index.ts) + +### `skill/provider-removed` — emit + +A skill provider left the registry because its plugin fiber was disposed. + +```ts cordis-catalog +'skill/provider-removed'(name: string): void +``` + +Source: [`packages/core/skill/src/index.ts:133`](../../packages/core/skill/src/index.ts) + ## `subagent/*` ### `subagent/end` — emit diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 9eec6eb105..9eeab37b36 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -167,16 +167,17 @@ Source: [`packages/core/session/src/index.ts:371`](../../packages/core/session/s ## `ctx.skills` — `SkillService` -Skill discovery service. It scans project/user/system skill roots, exposes model-visible summaries, loads full skill bodies on demand, and injects the stable `## Skills` listing into each agent request. +Registry of skill providers. It merges provider catalogs with stable first-wins duplicate handling, exposes sorted model-visible summaries, loads full skill bodies on demand, and renders the request-time catalog fragment. ```ts cordis-catalog +registerProvider(provider: SkillProvider): () => void register(skill: SkillRegistration): () => void async list(options: SkillLookupOptions = {}): Promise async get(name: string, options: SkillLookupOptions = {}): Promise async renderModelListing(options: SkillLookupOptions = {}): Promise ``` -Source: [`packages/core/skill/src/index.ts:134`](../../packages/core/skill/src/index.ts) +Source: [`packages/core/skill/src/index.ts:154`](../../packages/core/skill/src/index.ts) ## `ctx.subagents` — `SubagentService` diff --git a/docs/core-data-structures/skills.md b/docs/core-data-structures/skills.md index f893803620..fb72ab6f57 100644 --- a/docs/core-data-structures/skills.md +++ b/docs/core-data-structures/skills.md @@ -1,36 +1,46 @@ # Skills -The skill stack is split across two core packages: the service ([dsh-skill](../../packages/core/skill), `ctx.skills`) discovers and parses local `SKILL.md` instructions, injects a stable request-time listing, and exposes full skill bodies on demand; the consumer ([dsh-tool-skill](../../packages/core/tool-skill), model-facing `skill`) loads one complete body for progressive disclosure. Skills are optional instructions, not session events, so their vocabulary lives here rather than in [core.md](core.md). +The skill stack is split across three core packages: the registry ([dsh-skill](../../packages/core/skill), `ctx.skills`) merges provider catalogs and renders request-time guidance; the local provider ([dsh-skill-local](../../packages/core/skill-local)) scans project/custom/user directories; the consumer ([dsh-tool-skill](../../packages/core/tool-skill), model-facing `skill`) loads one complete body for progressive disclosure. Skills are optional instructions, not session events, so their vocabulary lives here rather than in [core.md](core.md). -Source: [`packages/core/skill/src/index.ts`](../../packages/core/skill/src/index.ts) and [`packages/core/tool-skill/src/index.ts`](../../packages/core/tool-skill/src/index.ts). +Source: [`packages/core/skill/src/index.ts`](../../packages/core/skill/src/index.ts), [`packages/core/skill-local/src/index.ts`](../../packages/core/skill-local/src/index.ts), and [`packages/core/tool-skill/src/index.ts`](../../packages/core/tool-skill/src/index.ts). -## Discovery priority +## Provider registry -For a request with a cwd, `ctx.skills` finds the nearest git root and scans roots in first-wins order: +`ctx.skills` is a multi-provider registry. Providers can represent local directories, embedded plugin data, HTTP catalogs, or another source. The registry validates candidates, resolves duplicate skill names first-wins by rank/provider order/local order, and sorts the final model-visible catalog by `name` for deterministic prompt text. A provider `list()` rejection is logged and skipped without caching the degraded catalog; malformed candidates still fail fast because they violate the provider contract. -| Priority | Source | Root | +```ts type-equiv +interface SkillProvider { + name: string + list(options: SkillLookupOptions): Promise + get(candidate: SkillCandidate, options: SkillLookupOptions): Promise +} +``` + +## Local discovery priority + +The shipped local provider scans roots in rank order: + +| Rank | Source | Root | |---|---|---| -| 1 | `project-dsh` | `/.dsh/skills` | -| 2 | `project-agents` | `/.agents/skills` | -| 3 | `runtime` | `ctx.skills.register(...)` | -| 4 | `user-dsh` | `~/.dsh/skills` | -| 5 | `user-agents` | `~/.agents/skills` | -| 6 | `extra` | `Config.extraRoots` | -| 7 | `system` | `~/.dsh/skills/.system` | +| 100 | `project-dsh` | `/.dsh/skills` | +| 200 | `project-agents` | `/.agents/skills` | +| 300 | `custom` | `Config.customSkillDirs` | +| 400 | `user-dsh` | `/skills` | +| 500 | `user-agents` | `/skills` | -The user DSH root skips its `.system` child during normal scanning so built-in skills are discovered exactly once. Same-name skills keep the highest-priority copy and log a warning for later duplicates. After this priority pass, model-visible summaries are sorted by `name` before prompt rendering so the `## Skills` fragment is deterministic and friendly to provider prefix caches. +The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. When `ctx.fs` is available, the git-root walk probes `.git` through the filesystem service so remote or sandboxed workspaces do not fall back to the host filesystem boundary. The user DSH root skips its `.system` child, and DeepSeek Harness no longer ships built-in system skills from the local provider. Additional built-ins can be supplied later by another provider. ## Skill identity -Skill names are kebab-case (`^[a-z0-9]+(?:-[a-z0-9]+)*$`). A skill can be a directory bundle (`/SKILL.md`) or a flat Markdown file (`.md`). Nested recursive `**/SKILL.md` discovery is intentionally outside v1. +Skill names are kebab-case (`^[a-z0-9]+(?:-[a-z0-9]+)*$`). The local provider accepts directory bundles (`/SKILL.md`) and flat Markdown files (`.md`). Nested recursive `**/SKILL.md` discovery is intentionally outside v1. ```ts type-equiv -type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'extra' | 'system' +type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'custom' | (string & {}) ``` -## Summaries and complete definitions +## Summaries, candidates, and complete definitions -`SkillSummary` is the model-visible shape: the request prompt gets the name, source, description, and optional routing hint, but never the body or absolute file path. `disableModelInvocation` hides a skill from listings while allowing trusted code to load it by name. +`SkillSummary` is the model-visible shape: the request prompt gets name, source, provider, description, and optional routing hint, but never the body or absolute file path. `disableModelInvocation` hides a skill from listings while allowing trusted code to load it by name. ```ts type-equiv interface SkillSummary { @@ -38,12 +48,31 @@ interface SkillSummary { description: string whenToUse?: string disableModelInvocation?: boolean - directory: string source: SkillSource + provider: string + resourceBase?: SkillResourceBase } ``` -`SkillDefinition` is the complete parsed result returned by `ctx.skills.get()` and used by the `skill` tool. `directory` is the base directory for resolving relative references in the skill body; `path` is present for disk skills; `metadata` preserves optional frontmatter for future consumers without changing v1 routing behavior. +`SkillCandidate` is the provider-to-registry shape. `locator` is opaque provider state; the registry only stores it and gives it back to the winning provider's `get()`. + +```ts type-equiv +interface SkillCandidate extends SkillSummary { + rank: number + locator: unknown + path?: string + metadata?: Record +} +``` + +`SkillDefinition` is the complete parsed result returned by `ctx.skills.get()` and used by the `skill` tool. `resourceBase` tells the tool how to render relative-resource guidance for local, URL, or provider-managed skills. + +```ts type-equiv +type SkillResourceBase = + | { kind: 'directory'; path: string } + | { kind: 'url'; url: string } + | { kind: 'opaque'; description: string } +``` ```ts type-equiv interface SkillDefinition extends SkillSummary { @@ -56,14 +85,14 @@ interface SkillDefinition extends SkillSummary { Runtime skills use the same complete shape and participate in the same first-wins collection order. The returned disposer removes the contribution and invalidates discovery caches. ```ts type-equiv -type SkillRegistration = Omit & { - disableModelInvocation?: boolean +type SkillRegistration = Omit & { + provider?: string } ``` ## Lookup and configuration -Skill lookup is cwd-sensitive because project skill roots are relative to the current workspace. If no git root is found, the supplied cwd itself is the project root. When `ctx.fs` is available, the git-root walk probes `.git` through the filesystem service so remote or sandboxed workspaces do not fall back to the host filesystem boundary. +Skill lookup is cwd-sensitive because providers may expose workspace-local skills. If no git root is found, the local provider treats the supplied cwd itself as the project root. ```ts type-equiv interface SkillLookupOptions { @@ -71,14 +100,10 @@ interface SkillLookupOptions { } ``` -The service can be pointed at alternate user roots in tests or deployments. `installSystemSkills` controls whether bundled system skills are materialized under `/skills/.system` on startup. `promptFieldMaxLength` must be at least `3`, matching the `...` truncation suffix reserved in rendered prompt fields. +The registry owns prompt/cache bounds. The local provider owns filesystem roots (`dshHome`, `agentsHome`, and `customSkillDirs`). ```ts type-equiv interface Config { - dshHome?: string - agentsHome?: string - extraRoots?: string[] - installSystemSkills?: boolean promptFieldMaxLength?: number collectCacheMaxEntries?: number } @@ -86,6 +111,6 @@ interface Config { ## Prompt and tool contract -`ctx.skills.renderModelListing()` returns a `## Skills` fragment wrapped in ``. Descriptions and `whenToUse` are whitespace-normalized, length-capped, and XML-escaped before rendering. The listing is appended as a late `system-prompt/assemble` section for the calling agent, so it remains cwd-sensitive while still flowing through the reconstructable system-prompt path. +`ctx.skills.renderModelListing()` returns a `## Skills` fragment wrapped in ``. Descriptions and `whenToUse` are whitespace-normalized, length-capped, XML-escaped, and have `{{` / `}}` split before rendering so skill metadata cannot be parsed as prompt-template variables. The listing is appended as a late `system-prompt/assemble` section for the calling agent, so it remains cwd-sensitive while still flowing through the reconstructable system-prompt path. -The model-facing `skill({ name })` tool validates the kebab-case name, loads the complete definition for the calling agent cwd, rejects unknown or `disableModelInvocation` skills, and returns a `` block with the body plus base-directory and relative-path guidance. The tool result is the only v1 path that exposes full skill instructions to the model. +The model-facing `skill({ name })` tool validates the kebab-case name, loads the complete definition for the calling agent cwd, rejects unknown or `disableModelInvocation` skills, and returns a `` block with the body plus provider resource guidance. The tool result is the only v1 path that exposes full skill instructions to the model. diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index b1261d0dba..030d93f27b 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -25,6 +25,8 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `session/created` | `emit` | [`packages/core/session/src/index.ts:39`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`emit`) | [`invariants`](../packages/support/invariants), [`session-persistence`](../packages/session-persistence/session-persistence) | | `session/event` | `emit` | [`packages/core/session/src/index.ts:47`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`session-persistence`](../packages/session-persistence/session-persistence), [`stdio-agent`](../packages/ui/stdio-agent) | | `session/flush` | `parallel` | [`packages/core/session/src/index.ts:57`](../packages/core/session/src/index.ts) | [`agent-loop`](../packages/core/agent-loop) (`parallel`) | [`session-persistence`](../packages/session-persistence/session-persistence) | +| `skill/provider-added` | `emit` | [`packages/core/skill/src/index.ts:127`](../packages/core/skill/src/index.ts) | [`skill`](../packages/core/skill) (`emit`) | - | +| `skill/provider-removed` | `emit` | [`packages/core/skill/src/index.ts:133`](../packages/core/skill/src/index.ts) | [`skill`](../packages/core/skill) (`emit`) | - | | `subagent/end` | `emit` | [`packages/subagent/subagent/src/index.ts:98`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude) | | `subagent/provider-added` | `emit` | [`packages/subagent/subagent/src/index.ts:72`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`emit`) | [`tool-subagent`](../packages/subagent/tool-subagent) | | `subagent/provider-removed` | `emit` | [`packages/subagent/subagent/src/index.ts:83`](../packages/subagent/subagent/src/index.ts) | - | [`tool-subagent`](../packages/subagent/tool-subagent) | diff --git a/docs/module-graph.md b/docs/module-graph.md index e0e75af5a3..0c4a00eac9 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -21,6 +21,7 @@ flowchart TD pkg_agent_loop["agent-loop"] pkg_session["session"] pkg_skill["skill"] + pkg_skill_local["skill-local"] pkg_system_prompt["system-prompt"] pkg_tool_skill["tool-skill"] pkg_tools["tools"] @@ -109,8 +110,6 @@ flowchart TD pkg_llm_replay --> pkg_llm pkg_llm_replay --> pkg_session pkg_skill --> pkg_agent - pkg_skill --> pkg_fs - pkg_skill --> pkg_llm pkg_skill --> pkg_system_prompt pkg_tools --> pkg_agent pkg_tools --> pkg_llm @@ -132,6 +131,8 @@ flowchart TD pkg_agent_loop --> pkg_session_persistence pkg_agent_loop --> pkg_system_prompt pkg_agent_loop --> pkg_tools + pkg_skill_local --> pkg_fs + pkg_skill_local --> pkg_skill pkg_tool_skill --> pkg_agent pkg_tool_skill --> pkg_llm pkg_tool_skill --> pkg_skill @@ -172,6 +173,7 @@ flowchart TD pkg_agent_core --> pkg_llm pkg_agent_core --> pkg_session pkg_agent_core --> pkg_skill + pkg_agent_core --> pkg_skill_local pkg_agent_core --> pkg_system_prompt pkg_agent_core --> pkg_tool_bash pkg_agent_core --> pkg_tool_skill @@ -238,13 +240,14 @@ flowchart TD | [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | | [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) | | [`llm-replay`](../packages/support/llm-replay) | `support` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | -| [`skill`](../packages/core/skill) | `core` | [`agent`](../packages/core/agent), [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt) | +| [`skill`](../packages/core/skill) | `core` | [`agent`](../packages/core/agent), [`system-prompt`](../packages/core/system-prompt) | | [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt) | | [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`skill-local`](../packages/core/skill-local) | `core` | [`fs`](../packages/fs/fs), [`skill`](../packages/core/skill) | | [`tool-skill`](../packages/core/tool-skill) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`skill`](../packages/core/skill), [`tools`](../packages/core/tools) | | [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | @@ -253,7 +256,7 @@ flowchart TD | [`tool-todo`](../packages/todo/tool-todo) | `todo` | [`agent`](../packages/core/agent), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | | [`hooks-codex`](../packages/hooks/hooks-codex) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | | [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools) | -| [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`skill`](../packages/core/skill), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tool-skill`](../packages/core/tool-skill), [`tools`](../packages/core/tools) | +| [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`skill`](../packages/core/skill), [`skill-local`](../packages/core/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tool-skill`](../packages/core/tool-skill), [`tools`](../packages/core/tools) | | [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent) | | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent) | | [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md index 5f4a18e5a0..45ad964d90 100644 --- a/docs/rfc/implemented/feature/2026-07-05-skill-system.md +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -10,19 +10,19 @@ DeepSeek Harness needs the same primitive because project-specific review, plugi ## Decision -Add `@deepseek-ai/dsh-skill` as the discovery service (`ctx.skills`) and `@deepseek-ai/dsh-tool-skill` as the model-facing loader tool. `dsh-agent-core` loads both by default so stdio and ACP apps get the same behavior. +Add `@deepseek-ai/dsh-skill` as the provider registry (`ctx.skills`), `@deepseek-ai/dsh-skill-local` as the shipped local filesystem provider, and `@deepseek-ai/dsh-tool-skill` as the model-facing loader tool. `dsh-agent-core` loads the registry, local provider, and tool by default so stdio and ACP apps get the same behavior while future providers can contribute embedded or remote skills without changing the registry or tool. -Discovery scans cwd-sensitive project roots, runtime registrations, user roots, extra roots, and system roots in first-wins priority order: project `.dsh`, project `.agents`, runtime, user `.dsh`, user `.agents`, extra roots, then `~/.dsh/skills/.system`. The user `.dsh/skills` scan skips `.system` so built-ins are not discovered twice. Same-name lower-priority skills are ignored with a warning, which lets project and user skills override built-ins deliberately. +Provider catalogs return ranked candidates. The registry validates each candidate, resolves same-name skills first-wins by rank, provider registration order, and provider-local order, then sorts model-visible summaries by skill name for deterministic prompt text. Runtime `ctx.skills.register(...)` remains a convenience for embedded in-process skills and uses project-over-user priority; `runtime` is reserved as the registry-owned provider name. + +The local provider scans cwd-sensitive project roots, custom roots, and user roots in first-wins rank order: project `.dsh`, project `.agents`, `customSkillDirs`, user `.dsh`, then user `.agents`. The user `.dsh/skills` scan skips `.system` so a system-owned directory is not treated as normal user content. DeepSeek Harness does not ship built-in system skills in v1; plugin-authoring skills can be supplied later by another provider. Each skill is either `/SKILL.md` or `.md` with YAML frontmatter. `name` and `description` are required; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names are kebab-case. YAML frontmatter is parsed with the `yaml` package instead of `js-yaml` or a hand-written parser: `yaml` is the already-declared modern parser for this package's limited frontmatter needs, and a narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. -Skill filesystem I/O goes through `ctx.fs` when a filesystem service is loaded: project-root lookup probes `.git` with `resolve` and `stat`, root discovery uses `listDir`, skill reads use `readText`, and system-skill installation uses `writeText`. The Node filesystem remains a fallback for minimal contexts that mount `dsh-skill` without the fs seam. Missing roots and unreadable or malformed skill files degrade to warn-and-skip so one bad local file does not make every agent request fail. +Local skill filesystem I/O goes through `ctx.fs` when a filesystem service is loaded: project-root lookup probes `.git` with `resolve` and `stat`, root discovery uses `listDir`, and skill reads use `readText`. The Node filesystem remains a fallback for minimal contexts that mount `dsh-skill-local` without the fs seam. Missing roots, unreadable or malformed skill files, and transient provider `list()` failures degrade to warn-and-skip so one bad source does not make every agent request fail; malformed candidates still fail fast because they are provider contract violations. -The service injects a request-time `## Skills` fragment through the existing `system-prompt/assemble` waterfall. It appends a late section for the calling agent instead of mutating `GenerateOptions.system` in `agent/request`, because request configuration is now reconstructable model/sampling state while model-visible content flows through system prompt assembly. The fragment contains only stable routing metadata and is sorted by skill name after first-wins collection, so equivalent workspaces produce deterministic prompt text and better prefix-cache reuse. Full skill bodies are never included in the listing. +The service injects a request-time `## Skills` fragment through the existing `system-prompt/assemble` waterfall. It appends a late section for the calling agent instead of mutating `GenerateOptions.system` in `agent/request`, because request configuration is now reconstructable model/sampling state while model-visible content flows through system prompt assembly. The fragment contains only stable routing metadata, splits `{{` / `}}` before template rendering, and is sorted by skill name after first-wins collection, so equivalent workspaces produce deterministic prompt text and better prefix-cache reuse. Full skill bodies are never included in the listing. -The `skill({ name })` tool loads one full skill for the current agent cwd and returns a `` block with the body plus base-directory guidance. Invalid names, unknown skills, and skills marked `disableModelInvocation` return tool errors. v1 does not additionally inject the loaded body into session context; the tool result is the model-visible disclosure path. - -System skills are ordinary skill files materialized under `~/.dsh/skills/.system` on startup. v1 ships `dsh-plugin-creator` and `dsh-skill-creator` there so the agent can help author DeepSeek Harness plugins and future skills using the same mechanism users can override. +The `skill({ name })` tool loads one full skill for the current agent cwd and returns a `` block with the body plus provider resource guidance. Local filesystem skills include base-directory guidance; embedded or remote providers can return URL or opaque provider-managed guidance. Invalid names, unknown skills, and skills marked `disableModelInvocation` return tool errors. v1 does not additionally inject the loaded body into session context; the tool result is the model-visible disclosure path. The data structures and prompt/tool contract are documented in [skills.md](../../../core-data-structures/skills.md), with service signatures in the generated [services catalog](../../../cordis-catalog/services.md). @@ -32,14 +32,18 @@ The data structures and prompt/tool contract are documented in [skills.md](../.. **Expose skills only as slash commands.** Rejected for v1 because model-initiated loading is the core capability; slash/ACP command advertisement can layer on later without changing discovery. +**Put local filesystem scanning directly inside `ctx.skills`.** Rejected because coding agents, web agents, and future plugin ecosystems need different skill sources. A provider registry mirrors the subagent seam: the registry owns conflict resolution and consumers, while implementations own loading. + **Use a separate system-reminder message.** Rejected for the current loop because the provider-neutral system prompt surface is assembled through `system-prompt/assemble`. A later provider-specific surface can still split this fragment if needed. +**Materialize built-in DSH authoring skills under `~/.dsh/skills/.system`.** Rejected for v1 because bundled skills should not write user home on startup, and the product can receive those skills from a later embedded or remote provider. + **Recursively discover nested `**/SKILL.md`.** Rejected for v1. Flat files and one-level directory bundles cover the configured roots while keeping duplicate handling and prompt order easy to reason about. **Hand-parse frontmatter.** Rejected because the accepted schema includes an open `metadata` object. A narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. ## Consequences -The agent-core spine now includes one more request-time contributor and one more model-facing tool. Skill discovery is cwd-sensitive, so tests and callers that create agents with different session cwd values can observe different project skill overrides by design. +The agent-core spine now includes one more request-time contributor, one local provider, and one model-facing tool. Skill discovery is cwd-sensitive, so tests and callers that create agents with different session cwd values can observe different project skill overrides by design. The prompt fragment is deterministic for a fixed root set and runtime registration revision, but disk changes are not watched; discovery is memoized until runtime registration invalidates the cache or the process restarts. That keeps v1 simple and avoids adding file watching policy before there is a concrete user flow for hot-reloading skills. diff --git a/examples/acp-agent/tests/snapshots/cancel/session.jsonl b/examples/acp-agent/tests/snapshots/cancel/session.jsonl index 837a4ae788..662ec035d0 100644 --- a/examples/acp-agent/tests/snapshots/cancel/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cancel/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"Start a long task; this turn will be cancelled mid-stream."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} {"type":"assistant/chunk","seq":5,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"partial"}}} {"type":"step/end","seq":6,"time":0,"data":{"turn":1,"step":1}} diff --git a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl index e9d23fa669..d6840aedd8 100644 --- a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl +++ b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl @@ -2,6 +2,6 @@ {"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"This prompt triggers a recorded provider error."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"step/end","seq":4,"time":0,"data":{"turn":1,"step":1}} {"type":"turn/end","seq":5,"time":0,"data":{"turn":1,"reason":{"kind":"error","step":1,"message":"simulated provider error (HTTP 401)","code":"AUTH"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl b/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl index 0a2de9911a..33c2408242 100644 --- a/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279365277,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279365278,"data":{"content":[{"type":"text","text":"First use the read tool to read config.txt in the current directory. Then use the edit tool (NOT bash) to replace the literal text DEBUG with RELEASE in that file. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279365279,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279365279,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-0g5rlt.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279365279,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-0g5rlt.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279365884,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279365884,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Let"}}} {"type":"assistant/chunk","seq":6,"time":1783279365982,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl b/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl index 2e58233309..574661bcdc 100644 --- a/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279382954,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279382954,"data":{"content":[{"type":"text","text":"Do NOT use the read tool. Immediately use the edit tool to replace the literal text blue with green in settings.txt in the current directory. Do not read the file first. After the tool result, reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279382955,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279382956,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-qgXmIP.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279382956,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-qgXmIP.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279383606,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279383606,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279383721,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl b/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl index 0a03943616..55dea5deb8 100644 --- a/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-read-window/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279377803,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279377804,"data":{"content":[{"type":"text","text":"Use the read tool (NOT bash) with offset 5 and limit 4 to read lines 5 through 8 of big.txt in the current directory. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279377806,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279377806,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-mA31X1.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279377806,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-mA31X1.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279378450,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279378450,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279378533,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-read/session.jsonl b/examples/acp-agent/tests/snapshots/fs-read/session.jsonl index 8260f3e56a..5f85511a12 100644 --- a/examples/acp-agent/tests/snapshots/fs-read/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-read/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279355670,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279355671,"data":{"content":[{"type":"text","text":"Use the read tool (NOT bash) to read the file greeting.txt in the current directory, then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279355673,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279355673,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-Zo3aiO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279355673,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-Zo3aiO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279356329,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279356330,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279356465,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl b/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl index 6872cf584d..3608e57446 100644 --- a/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-terminal-card/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279337866,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279337867,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo TERMINAL_OK. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279337868,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279337871,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-ImzwJW.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279337871,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-ImzwJW.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279338459,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279338459,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279338579,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl b/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl index 84061f8f2a..1a498a4cf6 100644 --- a/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-write-overwrite/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"First use the read tool to read data.txt in the current directory. Then use the write tool (NOT bash) to replace its entire contents with exactly the single line: replaced. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-write/session.jsonl b/examples/acp-agent/tests/snapshots/fs-write/session.jsonl index b993bf5b37..3ff5485cba 100644 --- a/examples/acp-agent/tests/snapshots/fs-write/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-write/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"Use the write tool (NOT bash) to create a file named notes.txt in the current directory containing exactly the single line: hello world. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl index 3a2b0f62fd..386bdcc6d7 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-posttool-block/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279438851,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279438852,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279438853,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279438856,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-4FNHMZ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279438856,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-4FNHMZ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279439575,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279439576,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279439723,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-posttool-context/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-posttool-context/session.jsonl index 02953a8c3b..5c03f60962 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-posttool-context/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-posttool-context/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279454673,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279454674,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279454675,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279454676,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-l0uhay.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279454676,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-l0uhay.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279455097,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279455097,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279455192,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-pretool-ask/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-pretool-ask/session.jsonl index d6eed1b5a0..489feef383 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-pretool-ask/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-pretool-ask/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279433755,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279433756,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279433757,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279433759,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-GbznxQ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279433759,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-GbznxQ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279434229,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279434229,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279434325,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-pretool-deny/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-pretool-deny/session.jsonl index 6668bb2d56..75639e516d 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-pretool-deny/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-pretool-deny/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279428483,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279428484,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279428485,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279428488,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-YXKW6X.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279428488,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-YXKW6X.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279429149,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279429149,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279429278,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl index 09e9cc158c..5b7a480cd1 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-promptsubmit-context/session.jsonl @@ -5,7 +5,7 @@ {"type":"user/message","seq":3,"time":1783279424786,"data":{"content":[{"type":"text","text":"What is my favorite color? Reply with just the color and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"context/message","seq":4,"time":1783279424786,"data":{"content":[{"type":"text","text":"The user has previously stated their favorite color is teal."}],"source":{"kind":"plugin","plugin":"hooks-claude"}},"surfaceOp":"append"} {"type":"step/start","seq":5,"time":1783279424787,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":6,"time":1783279424788,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-jHjRG4.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":6,"time":1783279424788,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-jHjRG4.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":7,"time":1783279425470,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":8,"time":1783279425471,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":9,"time":1783279425619,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl b/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl index 4515f4fb02..be325592dc 100644 --- a/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-cc-stop-continue/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279459589,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279459590,"data":{"content":[{"type":"text","text":"Reply with the single word FIRST and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279459591,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279459592,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-y7ZIlD.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279459592,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-y7ZIlD.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279460023,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279460023,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279460120,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-posttool-block/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-posttool-block/session.jsonl index 75fe0686b0..64693fdc5e 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-posttool-block/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-posttool-block/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279472951,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279472952,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279472953,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279472957,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-up4xkk.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279472957,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-up4xkk.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279473683,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279473683,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279473835,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-posttool-context/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-posttool-context/session.jsonl index 2be1bf0743..7f89a9d184 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-posttool-context/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-posttool-context/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279478902,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279478903,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279478904,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279478905,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-S4Pl3Q.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279478905,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-S4Pl3Q.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279479573,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279479573,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279479735,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-pretool-block/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-pretool-block/session.jsonl index 6f01d8dae3..653aa2a184 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-pretool-block/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-pretool-block/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279467545,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279467546,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279467547,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279467548,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-XJzzAW.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279467548,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-XJzzAW.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279468248,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279468248,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279468448,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl index d81be0b43b..9650113653 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-promptsubmit-context/session.jsonl @@ -5,7 +5,7 @@ {"type":"user/message","seq":3,"time":1783279463864,"data":{"content":[{"type":"text","text":"What is my favorite color? Reply with just the color and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"context/message","seq":4,"time":1783279463864,"data":{"content":[{"type":"text","text":"The user has previously stated their favorite color is teal."}],"source":{"kind":"plugin","plugin":"hooks-codex"}},"surfaceOp":"append"} {"type":"step/start","seq":5,"time":1783279463865,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":6,"time":1783279463866,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-dXMGno.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":6,"time":1783279463866,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-dXMGno.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":7,"time":1783279464538,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":8,"time":1783279464539,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":9,"time":1783279464680,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl b/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl index 77a712d7e0..6dd59f2575 100644 --- a/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl +++ b/examples/acp-agent/tests/snapshots/hook-codex-stop-continue/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279484315,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279484316,"data":{"content":[{"type":"text","text":"Reply with the single word FIRST and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279484317,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279484319,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-CW2Kzh.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279484319,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-CW2Kzh.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279484964,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279484964,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279485118,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/multi-turn/session.jsonl b/examples/acp-agent/tests/snapshots/multi-turn/session.jsonl index 674ced8717..875b408276 100644 --- a/examples/acp-agent/tests/snapshots/multi-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/multi-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279390951,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279390951,"data":{"content":[{"type":"text","text":"Reply with exactly the word: ONE. No tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279390953,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279390953,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-YRz0cJ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279390953,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-YRz0cJ.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279391532,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279391532,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279391637,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl index bb5d744bd2..689d0a76c0 100644 --- a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl +++ b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783329004152,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783329004153,"data":{"content":[{"type":"text","text":"Load the dsh-skill-creator skill with the skill tool, then reply DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783329004168,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783329004168,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-g1SZ2i.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783329004168,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-g1SZ2i.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783329004168,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783329004168,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Load the requested skill."}}} {"type":"assistant/chunk","seq":6,"time":1783329004169,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}} @@ -13,7 +13,7 @@ {"type":"assistant/chunk","seq":11,"time":1783329004169,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} {"type":"assistant/message","seq":12,"time":1783329004169,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"Load the requested skill."},{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}],"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[4,5,6,7,8,9,10,11],"surfaceOp":"append"} {"type":"tool/call","seq":13,"time":1783329004169,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}} -{"type":"tool/result","seq":14,"time":1783329004170,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-g1SZ2i/.dsh/skills/.system/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}],"isError":false},"sourceEventSeqs":[13],"surfaceOp":"append"} +{"type":"tool/result","seq":14,"time":1783329004170,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-g1SZ2i/.dsh/skills/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}],"isError":false},"sourceEventSeqs":[13],"surfaceOp":"append"} {"type":"step/end","seq":15,"time":1783329004170,"data":{"turn":1,"step":1}} {"type":"step/start","seq":16,"time":1783329004171,"data":{"turn":1,"step":2}} {"type":"assistant/chunk","seq":17,"time":1783329004171,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl index bb87794d28..764780c428 100644 --- a/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl @@ -2,7 +2,7 @@ {"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Load the requested skill."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_skill_load","title":"Load skill dsh-skill-creator","kind":"read","status":"in_progress","rawInput":"dsh-skill-creator"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skill_load","status":"completed","content":[{"type":"content","content":{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: {{cwd}}/.dsh/skills/.system/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skill_load","status":"completed","content":[{"type":"content","content":{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: {{cwd}}/.dsh/skills/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The skill is loaded."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"DONE"}}}} {"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md b/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md new file mode 100644 index 0000000000..684bc0885e --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md @@ -0,0 +1,12 @@ +--- +name: dsh-skill-creator +description: Create or update DeepSeek Harness SKILL.md instructions. +whenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills. +--- + +Use this skill to write focused DeepSeek Harness skills. + +A skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter. +Frontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it. +Use optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills. +Keep the body procedural, evidence-oriented, and scoped to the workflow the skill owns. diff --git a/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl index de6fdb41b1..1c46db9772 100644 --- a/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279408071,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279408071,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is MARMALADE. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279408072,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279408073,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-yKv3Ie.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279408073,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-yKv3Ie.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279408758,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279408758,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279408906,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} @@ -35,7 +35,7 @@ {"type":"turn/start","seq":33,"time":1783279410879,"data":{"turn":2,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":34,"time":1783279410880,"data":{"content":[{"type":"text","text":"What is the project codeword mentioned earlier in this conversation? Reply with exactly that one word and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":35,"time":1783279410880,"data":{"turn":2,"step":1}} -{"type":"request/header","seq":36,"time":1783279410880,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-yKv3Ie.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"resume"}} +{"type":"request/header","seq":36,"time":1783279410880,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-yKv3Ie.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"resume"}} {"type":"assistant/chunk","seq":37,"time":1783279411585,"data":{"turn":2,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":38,"time":1783279411586,"data":{"turn":2,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":39,"time":1783279411711,"data":{"turn":2,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl index a6db6dfea8..7ad6a65ff4 100644 --- a/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-fork/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279408071,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279408071,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is MARMALADE. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279408072,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279408073,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-yKv3Ie.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279408073,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-yKv3Ie.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279408758,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279408758,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279408906,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl index 1810859570..3adb8bde24 100644 --- a/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-mixed/session.1.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279418198,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279418198,"data":{"content":[{"type":"text","text":"Reply with exactly the word ALPHA and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279418198,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279418198,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279418198,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279418756,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279418756,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279418937,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl b/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl index 26577d9d2a..2dc89a2565 100644 --- a/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-mixed/session.2.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279415444,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279415445,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is SAFFRON. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279415446,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279415446,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279415446,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279416146,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279416146,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279416310,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} @@ -29,7 +29,7 @@ {"type":"turn/start","seq":27,"time":1783279420404,"data":{"turn":2,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":28,"time":1783279420404,"data":{"content":[{"type":"text","text":"What is the project codeword mentioned earlier in this conversation? Reply with exactly that one word and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":29,"time":1783279420405,"data":{"turn":2,"step":1}} -{"type":"request/header","seq":30,"time":1783279420405,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"resume"}} +{"type":"request/header","seq":30,"time":1783279420405,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"resume"}} {"type":"assistant/chunk","seq":31,"time":1783279421097,"data":{"turn":2,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":32,"time":1783279421098,"data":{"turn":2,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":33,"time":1783279421204,"data":{"turn":2,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl index 8f81f749dc..0b44f0ad62 100644 --- a/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-mixed/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279415444,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279415445,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is SAFFRON. Reply with the single word OK and stop. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279415446,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279415446,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279415446,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-h3RUf6.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279416146,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279416146,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279416310,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-multi/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-multi/session.1.jsonl index 06afc5ba51..d53c75e164 100644 --- a/examples/acp-agent/tests/snapshots/subagent-multi/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-multi/session.1.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279402204,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279402204,"data":{"content":[{"type":"text","text":"Reply with exactly the word ALPHA and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279402205,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279402205,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-tIoYon.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279402205,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-tIoYon.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279402608,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279402608,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279402723,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-multi/session.2.jsonl b/examples/acp-agent/tests/snapshots/subagent-multi/session.2.jsonl index bc2df16ebf..104b64e898 100644 --- a/examples/acp-agent/tests/snapshots/subagent-multi/session.2.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-multi/session.2.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279403730,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279403730,"data":{"content":[{"type":"text","text":"Reply with exactly the word BETA and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279403730,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279403730,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-tIoYon.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279403730,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-tIoYon.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279404370,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279404370,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279404532,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl index d8e67ff114..d4eda1c528 100644 --- a/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-multi/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279400642,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279400642,"data":{"content":[{"type":"text","text":"Use the subagent tool TWICE, once at a time, to delegate two subtasks to child agents. First subtask: 'Reply with exactly the word ALPHA and nothing else.' Second subtask (after the first returns): 'Reply with exactly the word BETA and nothing else.' After both subagents return, reply with the single word PARENT_DONE and stop. Do not use the bash tool."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279400643,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279400646,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-tIoYon.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279400646,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-tIoYon.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279401312,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279401312,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279401437,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl index 88858591da..403dd33683 100644 --- a/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279396597,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279396597,"data":{"content":[{"type":"text","text":"Reply with exactly the word CHILD_OK and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279396598,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279396598,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-JrLIIO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279396598,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-JrLIIO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279397154,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279397154,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279397252,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl b/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl index 86444be14c..284b863255 100644 --- a/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-spawn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279395301,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279395302,"data":{"content":[{"type":"text","text":"Use the subagent tool exactly once to delegate this subtask to a child agent: 'Reply with exactly the word CHILD_OK and nothing else.' After the subagent returns, reply with the single word PARENT_DONE and stop. Do not use the bash tool."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279395303,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279395304,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-JrLIIO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279395304,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-JrLIIO.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279395862,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279395862,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279395973,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl index aaa9f9777a..2532b5d24a 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279329596,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279329596,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279329598,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279329598,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-q0sbE9.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279329598,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-q0sbE9.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279330062,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279330062,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279330154,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl b/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl index 09f6ca18d7..c9cb679001 100644 --- a/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl +++ b/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279342895,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279342896,"data":{"content":[{"type":"text","text":"Use the todo_write tool to record a plan with exactly three todos: \"read the code\" (in_progress), \"write the fix\" (pending), \"run the tests\" (pending). Send all three in one todo_write call. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279342897,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279342898,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-t9J1QD.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279342898,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-t9J1QD.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279343592,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279343592,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279343701,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl b/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl index f2a7d35cdb..f6c34bbc24 100644 --- a/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/tool-call-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783279332863,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783279332864,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: echo SNAPSHOT_OK. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783279332865,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783279332868,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-lH9qMe.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783279332868,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-lH9qMe.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783279333505,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783279333505,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783279333653,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl b/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl index 3703d26fd5..32aff31d59 100644 --- a/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl +++ b/examples/acp-agent/tests/snapshots/workspace-edit/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"A file named greeting.txt in the current directory contains one word. Use the bash tool to append a second line containing the word WORLD to it (so it has two lines), then read the file back with `cat greeting.txt` to confirm, and reply with the single word DONE. Use a single bash call per action."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n## Skills\nAvailable skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.\n\n\ndescription: Create or update DeepSeek Harness Cordis plugins and packages.\n\n\ndescription: Create or update DeepSeek Harness SKILL.md instructions.\nwhenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.\n\n","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is {{cwd}}.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Let"}}} {"type":"assistant/chunk","seq":6,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} diff --git a/packages/core/README.md b/packages/core/README.md index 0660ededc7..f0f6a38d3d 100644 --- a/packages/core/README.md +++ b/packages/core/README.md @@ -7,12 +7,13 @@ The packages every harness build is assembled from: the session log, the system- | `session/` | Event-sourced session log + in-memory store | `ctx.sessions` | | `system-prompt/` | Prompt-section + tool-schema assembly registry | `ctx.systemPrompt` | | `tools/` | Tool registry + `tools/pre-execute`/`tools/post-execute` pipeline | `ctx.tools` | -| `skill/` | Agent skill discovery + request-time skill listing | `ctx.skills` | +| `skill/` | Agent skill provider registry + request-time skill listing | `ctx.skills` | +| `skill-local/` | Local filesystem skill provider | (registers on `ctx.skills`) | | `tool-skill/` | Model-facing `skill` loader tool | (registers on `ctx.tools`) | | `agent/` | Agent interface, registry, `agent/*` event vocabulary | `ctx.agents` | | `agent-loop/` | The concrete loop plugin: `ReactLoopAgent` + the loop driver | `ctx.agentLoop` | -| `agent-core/` | Bundle plugin: the providerless/executor-less/UI-less spine as code | (loads the spine) | +| `agent-core/` | Bundle plugin: the default executor-less/UI-less spine as code | (loads the spine) | `agent-loop` is the one concrete implementation of the `agent` seam and lives here because it is the harness's default product loop; everything else in `core/` is interface/vocabulary. Plugins depend on the `agent` vocabulary, never on `agent-loop` directly, so the loop stays swappable. -`agent-core` is the composition counterpart: one bundle plugin that loads the whole providerless spine (`timer` + `llm` + sessions + system-prompt + tools + skills + agents + invariants + `tool-bash` + `tool-skill` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds the swappable backends plus any optional product tools it wants to expose. It lives in `core/` because it composes exclusively `core/` + interface packages and ships no provider, executor, or UI of its own. +`agent-core` is the composition counterpart: one bundle plugin that loads the default spine (`timer` + `llm` + sessions + system-prompt + tools + skill registry + local skill provider + agents + invariants + `tool-bash` + `tool-skill` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds the swappable backends plus any optional product tools it wants to expose. It lives in `core/` because it composes the shared core while leaving executors, LLM adapters, non-local skill providers, and UI front doors outside the bundle. diff --git a/packages/core/agent-core/README.md b/packages/core/agent-core/README.md index 353e68332d..abc1350be2 100644 --- a/packages/core/agent-core/README.md +++ b/packages/core/agent-core/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-agent-core -The **providerless, executor-less, UI-less agent spine** as ONE Cordis bundle plugin. It loads the fixed set of services every harness agent needs and forwards the loop's `agents` list as its own config — so an app package composes a working agent by adding only a front door and the swappable backends. +The **default executor-less, UI-less agent spine** as ONE Cordis bundle plugin. It loads the fixed set of services every harness agent needs, including the local skill provider, and forwards the loop's `agents` list as its own config — so an app package composes a working agent by adding only a front door and the swappable backends. This is the package to read to see **the whole plugin tree at once** — the teaching role the inlined `echo-agent` `cordis.yml` used to play before the spine moved behind this bundle. @@ -14,9 +14,12 @@ This is the package to read to see **the whole plugin tree at once** — the tea @deepseek-ai/dsh-session event-sourced session log + store @deepseek-ai/dsh-system-prompt prompt-section + tool-schema assembly @deepseek-ai/dsh-tools tool registry + tools/pre-execute/post-execute +@deepseek-ai/dsh-skill skill provider registry + prompt listing +@deepseek-ai/dsh-skill-local local filesystem skill provider @deepseek-ai/dsh-agent agent registry + agent/* event vocabulary @deepseek-ai/dsh-invariants dev-mode event-contract assertions @deepseek-ai/dsh-tool-bash the model-facing bash/bash_output/bash_kill schemas +@deepseek-ai/dsh-tool-skill the model-facing skill loader schema @deepseek-ai/dsh-agent-loop THE concrete loop (gets the forwarded `agents`) (dsh-system-prompt gets the forwarded `persona`) ``` @@ -27,6 +30,7 @@ The spine is everything COMMON to every front door. The swappable and front-door - **the LLM adapter** — the bundle ships the abstract `llm` service; the leaf registers a concrete adapter on `ctx.llm` (`llm-deepseek`, `llm-pi-ai`, `llm-replay`). - **the bash executor** — the bundle ships `tool-bash` (the consumer schema); the leaf provides `ctx.bash` (`bash-local` or a sandboxed impl). +- **non-local skill providers** — the bundle ships the skill registry, the local filesystem provider, and the `skill` tool; deployments can add other providers such as embedded or remote catalogs as siblings. - **presentation + per-app infra** — the stdio UI / ACP bridge, a console logger, `hmr`. These form the coupled "front-door cluster" that the app packages ([`dsh-stdio-agent`](../../ui/stdio-agent/README.md), [`dsh-acp-agent`](../../ui/acp-agent/README.md)) bake in. `timer` is in the spine (common to both, stdout-silent); a console logger is NOT (it writes to stdout, which the ACP bridge reserves for JSON-RPC). This is the [interface/implementation/consumer seam](../../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md) raised to the composition level: the bundle owns the shared spine, the leaf owns the backends, the app package owns the front door. @@ -35,11 +39,12 @@ This is the [interface/implementation/consumer seam](../../../docs/rfc/implement ```ts import type { Config } from '@deepseek-ai/dsh-agent-core' -// { agents?, persona? } — the schema is z.intersect([AgentLoop.Config, SystemPrompt.Config]), -// so validation and defaulting can never drift from the owners'. +// { agents?, persona?, skills? } — the schema is z.intersect([AgentLoop.Config, +// SystemPrompt.Config, { skills }]), so validation and defaulting can never +// drift from the owners'. ``` -The bundle FORWARDS each field to the child that owns it: `agents` to `agent-loop` (default `[]`), so each app supplies its own pre-created agents — a stdio app pre-creates a `main`; the ACP app pre-creates none (it creates agents on demand at `session/new`) — and `persona` to `dsh-system-prompt` (default `''`), the deployment's persona section. Forwarding is exactly why the owners can live in the shared spine even though the apps disagree on what to configure. +The bundle FORWARDS each field to the child that owns it: `agents` to `agent-loop` (default `[]`), so each app supplies its own pre-created agents — a stdio app pre-creates a `main`; the ACP app pre-creates none (it creates agents on demand at `session/new`) — `persona` to `dsh-system-prompt` (default `''`), and `skills.registry` / `skills.local` to the skill registry and local provider. Forwarding is exactly why the owners can live in the shared spine even though the apps disagree on what to configure. ## Why a code bundle, not a shared YAML include diff --git a/packages/core/agent-core/package.json b/packages/core/agent-core/package.json index b6778a5ead..039a6ac505 100644 --- a/packages/core/agent-core/package.json +++ b/packages/core/agent-core/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-agent-core", - "description": "The providerless/executor-less/UI-less agent spine as one Cordis bundle plugin (timer + llm + sessions + system-prompt + tools + agents + invariants + tool-bash + agent-loop)", + "description": "The default executor-less/UI-less agent spine as one Cordis bundle plugin (timer + llm + sessions + system-prompt + tools + skills + agents + invariants + tool-bash + tool-skill + agent-loop)", "version": "0.0.1", "private": true, "type": "module", @@ -29,6 +29,7 @@ "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-skill": "^0.0.1", + "@deepseek-ai/dsh-skill-local": "^0.0.1", "@deepseek-ai/dsh-system-prompt": "^0.0.1", "@deepseek-ai/dsh-tool-bash": "^0.0.1", "@deepseek-ai/dsh-tool-skill": "^0.0.1", @@ -43,6 +44,7 @@ "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-skill": "workspace:^", + "@deepseek-ai/dsh-skill-local": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tool-bash": "workspace:^", "@deepseek-ai/dsh-tool-skill": "workspace:^", diff --git a/packages/core/agent-core/src/index.ts b/packages/core/agent-core/src/index.ts index 84f532ec34..86cc26546b 100644 --- a/packages/core/agent-core/src/index.ts +++ b/packages/core/agent-core/src/index.ts @@ -1,10 +1,10 @@ /** - * The providerless, executor-less, UI-less agent spine as ONE bundle plugin. + * The default executor-less, UI-less agent spine as ONE bundle plugin. * * Loads the fixed set of services every harness agent needs — `timer`, the LLM * service, the session store, system-prompt assembly, the tool registry, the - * skill registry, the agent registry, the dev-mode invariants, the model-facing - * `bash` and `skill` tool schemas, and the concrete `agent-loop` — and forwards the loop's `agents` + * skill registry plus local skill provider, the agent registry, the dev-mode + * invariants, the model-facing `bash` and `skill` tool schemas, and the concrete `agent-loop` — and forwards the loop's `agents` * list as its OWN config (default `[]`), so each app supplies its own * pre-created agents. * @@ -19,6 +19,9 @@ * (a console logger, `hmr`) — these are the coupled "front-door cluster" the * app packages ({@link @deepseek-ai/dsh-stdio-agent}, * {@link @deepseek-ai/dsh-acp-agent}) bake in, NOT the shared spine. + * - additional SKILL PROVIDERS; the bundle ships the local filesystem provider + * because local skills are default agent behavior, while embedded or remote + * providers remain deployment choices. * * This is the interface/implementation/consumer seam at the composition level: * the bundle owns the shared spine, the leaf owns the backends, the app package @@ -49,7 +52,8 @@ import LlmService from '@deepseek-ai/dsh-llm' import SessionStore from '@deepseek-ai/dsh-session' import SystemPrompt, { type Config as SystemPromptConfig } from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' -import SkillService, { type Config as SkillConfig } from '@deepseek-ai/dsh-skill' +import SkillService, { type Config as SkillRegistryConfig } from '@deepseek-ai/dsh-skill' +import * as SkillLocal from '@deepseek-ai/dsh-skill-local' import AgentRegistry from '@deepseek-ai/dsh-agent' import * as invariants from '@deepseek-ai/dsh-invariants' import * as toolBash from '@deepseek-ai/dsh-tool-bash' @@ -58,12 +62,20 @@ import AgentLoop, { type Config as AgentLoopConfig } from '@deepseek-ai/dsh-agen export const name = 'agent-core' +/** Skill bundle config forwarded to the registry and the local provider. */ +export interface SkillConfig { + /** Registry-level prompt/cache settings. */ + registry?: SkillRegistryConfig + /** Local filesystem skill provider settings. */ + local?: SkillLocal.Config +} + /** * Bundle config: each field forwarded verbatim to the child that owns it — * `agents` to the agent loop (an app that pre-creates no agents, like the ACP * bridge, simply omits it), `persona` to the system-prompt plugin (the - * deployment's persona section), and `skills` to the skill service. All three - * are optional INPUT here because each owner's schema supplies the default + * deployment's persona section), and `skills` to the skill registry/local + * provider. All three are optional INPUT here because each owner's schema supplies the default * (`[]` / `''` / the DSH skill roots); the schema is the INTERSECTION of the * owners' own schemas, so validation and defaulting can never drift from them. */ @@ -72,12 +84,15 @@ export interface Config { agents?: AgentLoopConfig['agents'] /** The deployment persona (see dsh-system-prompt's `Config`). */ persona?: SystemPromptConfig['persona'] - /** Skill discovery roots, system-skill installation, and prompt/cache bounds. */ + /** Skill registry and local provider config. */ skills?: SkillConfig } /** The skill config schema exported for app packages that forward `skills`. */ -export const SkillConfigSchema = SkillService.Config +export const SkillConfigSchema: z = z.object({ + registry: SkillService.Config, + local: SkillLocal.Config, +}) /** Intersect the owners' schemas so validation + defaulting stay identical. */ export const Config = z.intersect([ @@ -105,12 +120,11 @@ export function apply(ctx: Context, config: Config): void { // introduce different ones. ctx.plugin(SystemPrompt, { persona: config.persona ?? '' }) ctx.plugin(ToolRegistry) - ctx.plugin(SkillService, config.skills ?? {}) + ctx.plugin(SkillService, config.skills?.registry ?? {}) + ctx.plugin(SkillLocal, config.skills?.local ?? {}) ctx.plugin(AgentRegistry) ctx.plugin(invariants) ctx.plugin(toolBash) ctx.plugin(toolSkill) ctx.plugin(AgentLoop, { agents: config.agents ?? [] }) } - -export type { SkillConfig } diff --git a/packages/core/agent-core/tests/agent-core.spec.ts b/packages/core/agent-core/tests/agent-core.spec.ts index 7c6e4840b5..9e4f5b7eed 100644 --- a/packages/core/agent-core/tests/agent-core.spec.ts +++ b/packages/core/agent-core/tests/agent-core.spec.ts @@ -1,5 +1,5 @@ import { describe, expect, it } from 'vitest' -import { mkdtemp } from 'node:fs/promises' +import { mkdir, mkdtemp, writeFile } from 'node:fs/promises' import { join } from 'node:path' import { tmpdir } from 'node:os' import { Context } from 'cordis' @@ -9,7 +9,7 @@ import { AgentId } from '@deepseek-ai/dsh-agent' /** * Unit coverage for the @deepseek-ai/dsh-agent-core bundle: mounting it brings - * up the whole providerless spine in one `ctx.plugin`, and the forwarded + * up the whole default spine in one `ctx.plugin`, and the forwarded * `agents` config reaches the loop (default `[]`, or a pre-created agent). * * The bundle is exercised through `ctx.plugin(agentCore, …)` — the NAMESPACE @@ -65,7 +65,7 @@ async function withIsolatedSkillHomes(run: () => Promise): Promise { } describe('dsh-agent-core bundle', () => { - it('brings up the full providerless spine', async () => { + it('brings up the full default spine', async () => { const ctx = await mount() // One service from each layer of the spine proves the children loaded. expect(ctx.get('timer')).toBeDefined() @@ -79,15 +79,12 @@ describe('dsh-agent-core bundle', () => { await ctx.fiber.dispose() }) - it('includes the default skill system and skill tool', async () => { + it('includes the skill registry, local provider, and skill tool without builtin skills', async () => { const ctx = await mount() expect(ctx.skills).toBeDefined() expect(ctx.tools.schemas().map(tool => tool.name)).toContain('skill') - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ - 'dsh-plugin-creator', - 'dsh-skill-creator', - ])) + expect(await ctx.skills.list()).toEqual([]) await ctx.fiber.dispose() }) @@ -122,18 +119,25 @@ describe('dsh-agent-core bundle', () => { await ctx.fiber.dispose() }) - it('forwards skill config to the skill service', async () => { + it('forwards skill config to the registry and local provider', async () => { const home = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-home-')) const agentsHome = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-agents-')) + const custom = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-custom-')) + await mkdir(custom, { recursive: true }) + await writeFile(join(custom, 'custom-skill.md'), '---\nname: custom-skill\ndescription: Custom skill\n---\n\nCustom body.\n') const ctx = await mount({ agents: [], skills: { - dshHome: join(home, '.dsh'), - agentsHome: join(agentsHome, '.agents'), - installSystemSkills: false, + registry: { promptFieldMaxLength: 6 }, + local: { + dshHome: join(home, '.dsh'), + agentsHome: join(agentsHome, '.agents'), + customSkillDirs: [custom], + }, }, }) - expect(await ctx.skills.list()).toEqual([]) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['custom-skill']) + expect(await ctx.skills.renderModelListing()).toContain('description: Cus...') await ctx.fiber.dispose() }) @@ -143,10 +147,7 @@ describe('dsh-agent-core bundle', () => { agentCore.apply(ctx, { agents: [] }) await new Promise(resolve => setTimeout(resolve, 50)) expect(ctx.skills).toBeDefined() - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ - 'dsh-plugin-creator', - 'dsh-skill-creator', - ])) + expect(await ctx.skills.list()).toEqual([]) await ctx.fiber.dispose() }) }) diff --git a/packages/core/agent-core/tsconfig.json b/packages/core/agent-core/tsconfig.json index fb8ed365f7..394ecf1fc3 100644 --- a/packages/core/agent-core/tsconfig.json +++ b/packages/core/agent-core/tsconfig.json @@ -35,6 +35,9 @@ { "path": "../../core/skill" }, + { + "path": "../../core/skill-local" + }, { "path": "../../core/tool-skill" }, diff --git a/packages/core/skill-local/README.md b/packages/core/skill-local/README.md new file mode 100644 index 0000000000..5fedc92bc4 --- /dev/null +++ b/packages/core/skill-local/README.md @@ -0,0 +1,37 @@ +# @deepseek-ai/dsh-skill-local + +Local filesystem provider for the `ctx.skills` registry. + +This package implements one skill source. It scans local project, custom, and user skill roots, parses `SKILL.md` or flat Markdown skill files, and registers the provider on `ctx.skills`. The registry, prompt listing, and model-facing loader tool remain in `@deepseek-ai/dsh-skill` and `@deepseek-ai/dsh-tool-skill`. + +## Plugin + +Requires `ctx.skills` (`inject: ['skills']`). + +### Config + +| Field | Default | Meaning | +|---|---|---| +| `dshHome` | `$DSH_HOME` or `~/.dsh` | DeepSeek Harness config root; scans `skills` under this directory. | +| `agentsHome` | `$DSH_AGENTS_HOME` or `~/.agents` | Shared agent config root scanned for compatible skills. | +| `customSkillDirs` | `[]` | Additional local skill roots scanned after project roots and before user roots. | + +## Discovery + +Default roots are resolved in this provider's rank order: + +| Rank | Source | Path | +|---|---|---| +| 100 | `project-dsh` | `/.dsh/skills` | +| 200 | `project-agents` | `/.agents/skills` | +| 300 | `custom` | `Config.customSkillDirs` | +| 400 | `user-dsh` | `/skills` | +| 500 | `user-agents` | `/skills` | + +The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. The user DSH root skips its `.system` child so system-owned directories are not accidentally treated as normal user skills. DeepSeek Harness no longer ships built-in system skills from this provider; additional built-ins can be supplied later by another provider. + +When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and probes `.git` through the filesystem service. Without a filesystem service, the provider falls back to Node filesystem I/O so minimal local contexts can still load skills. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. + +## Skill Format + +Skills can be single-level directory bundles (`/SKILL.md`) or flat Markdown files (`.md`). Nested `**/SKILL.md` discovery is intentionally not part of v1. Frontmatter is parsed as YAML with the `yaml` package; it requires `name` and `description`, while `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names must be kebab-case. diff --git a/packages/core/skill-local/package.json b/packages/core/skill-local/package.json new file mode 100644 index 0000000000..dcacc5960a --- /dev/null +++ b/packages/core/skill-local/package.json @@ -0,0 +1,38 @@ +{ + "name": "@deepseek-ai/dsh-skill-local", + "description": "Local filesystem skill provider for the DeepSeek Harness", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-fs": "^0.0.1", + "@deepseek-ai/dsh-skill": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0", + "yaml": "^2.4.2" + }, + "devDependencies": { + "@deepseek-ai/dsh-fs": "workspace:^", + "@deepseek-ai/dsh-skill": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/core/skill-local/src/index.ts b/packages/core/skill-local/src/index.ts new file mode 100644 index 0000000000..e0953110b6 --- /dev/null +++ b/packages/core/skill-local/src/index.ts @@ -0,0 +1,413 @@ +/** + * Local filesystem skill provider. + * + * This package is one implementation of the `ctx.skills` provider registry. It + * discovers directory-bundle and flat Markdown skills from project, custom, and + * user roots, parses YAML frontmatter, and loads bodies through `ctx.fs` when a + * filesystem service is present. + * + * @module @deepseek-ai/dsh-skill-local + */ + +import { access, readdir, readFile, stat } from 'node:fs/promises' +import { dirname, join, resolve } from 'node:path' +import { homedir } from 'node:os' +import type { Context } from 'cordis' +import z from 'schemastery' +import type Schema from 'schemastery' +import { parse as parseYaml } from 'yaml' +import type { FileSystem, FsDirEntry, FsTarget } from '@deepseek-ai/dsh-fs' +import { + isSkillName, + type SkillCandidate, + type SkillDefinition, + type SkillLookupOptions, + type SkillProvider, + type SkillSource, +} from '@deepseek-ai/dsh-skill' + +const PROJECT_DSH_RANK = 100 +const PROJECT_AGENTS_RANK = 200 +const CUSTOM_RANK = 300 +const USER_DSH_RANK = 400 +const USER_AGENTS_RANK = 500 + +export const name = 'skill-local' +export const inject = ['skills'] + +/** Local filesystem skill provider configuration. */ +export interface Config { + /** DeepSeek Harness config root. Defaults to `$DSH_HOME` or `~/.dsh`. */ + dshHome?: string + /** Shared agent config root. Defaults to `$DSH_AGENTS_HOME` or `~/.agents`. */ + agentsHome?: string + /** Additional skill roots scanned after project roots and before user roots. */ + customSkillDirs?: string[] +} + +export const Config: Schema = z.object({ + dshHome: z.string(), + agentsHome: z.string(), + customSkillDirs: z.array(z.string()).default([]), +}) + +interface SkillRoot { + path: string + source: SkillSource + rank: number + skipSystem?: boolean +} + +interface SkillRootEntry { + name: string + type: 'directory' | 'file' | 'other' + path: string +} + +interface ParsedSkill { + name: string + description: string + whenToUse?: string + disableModelInvocation?: boolean + metadata?: Record + content: string +} + +interface LocalLocator { + path: string + directory: string +} + +/** Register the local filesystem skill provider on `ctx.skills`. */ +export function apply(ctx: Context, config: Config = {}): void { + const provider = new LocalSkillProvider(ctx, config) + ctx.skills.registerProvider(provider) +} + +/** Provider that maps local project/user skill roots into `ctx.skills`. */ +export class LocalSkillProvider implements SkillProvider { + readonly name = 'local' + private readonly dshHome: string + private readonly agentsHome: string + private readonly customSkillDirs: string[] + + constructor(private readonly ctx: Context, config: Config = {}) { + this.dshHome = resolve(config.dshHome ?? process.env.DSH_HOME ?? join(homedir(), '.dsh')) + this.agentsHome = resolve(config.agentsHome ?? process.env.DSH_AGENTS_HOME ?? join(homedir(), '.agents')) + this.customSkillDirs = (config.customSkillDirs ?? []).map(root => resolve(root)) + } + + /** + * Discover local skill summaries for a cwd-sensitive workspace. + * @param options - lookup options; `cwd` selects the project roots to scan. + * @returns local provider candidates with stable root ranks. + */ + async list(options: SkillLookupOptions): Promise { + const roots = await this.roots(options.cwd) + const candidates: SkillCandidate[] = [] + for (const root of roots) { + for (const skill of await discoverRoot(root, this.ctx)) { + candidates.push(skill) + } + } + return candidates + } + + /** + * Load a complete local skill body from the candidate's file locator. + * @param candidate - the winning candidate returned by this provider. + * @returns the full local skill, or `undefined` if the file disappeared. + */ + async get(candidate: SkillCandidate): Promise { + const locator = candidate.locator as LocalLocator + const parsed = await parseSkillFile(locator.path, this.ctx) + if (parsed === undefined) return undefined + return { + name: parsed.name, + description: parsed.description, + ...parsed.whenToUse !== undefined ? { whenToUse: parsed.whenToUse } : {}, + ...parsed.disableModelInvocation !== undefined ? { disableModelInvocation: parsed.disableModelInvocation } : {}, + source: candidate.source, + provider: this.name, + resourceBase: { kind: 'directory', path: locator.directory }, + path: locator.path, + ...parsed.metadata !== undefined ? { metadata: parsed.metadata } : {}, + content: parsed.content, + } + } + + private async roots(cwd: string | undefined): Promise { + const roots: SkillRoot[] = [] + if (cwd !== undefined) { + const projectRoot = await findProjectRoot(resolve(cwd), optionalFileSystem(this.ctx)) + roots.push( + { path: join(projectRoot, '.dsh/skills'), source: 'project-dsh', rank: PROJECT_DSH_RANK }, + { path: join(projectRoot, '.agents/skills'), source: 'project-agents', rank: PROJECT_AGENTS_RANK }, + ) + } + roots.push( + ...this.customSkillDirs.map(path => ({ path, source: 'custom' as const, rank: CUSTOM_RANK })), + { path: join(this.dshHome, 'skills'), source: 'user-dsh', rank: USER_DSH_RANK, skipSystem: true }, + { path: join(this.agentsHome, 'skills'), source: 'user-agents', rank: USER_AGENTS_RANK }, + ) + return roots + } +} + +async function discoverRoot(root: SkillRoot, ctx: Context): Promise { + const skills: SkillCandidate[] = [] + const entries = await listSkillRootEntries(root, ctx) + for (const entry of entries.sort((a, b) => a.name.localeCompare(b.name))) { + if (root.skipSystem && entry.name === '.system') continue + const locator = entry.type === 'directory' + ? { path: join(entry.path, 'SKILL.md'), directory: entry.path } + : entry.type === 'file' && entry.name.endsWith('.md') + ? { path: entry.path, directory: root.path } + : undefined + if (locator === undefined) continue + const parsed = await parseSkillFile(locator.path, ctx) + if (parsed === undefined) continue + skills.push({ + name: parsed.name, + description: parsed.description, + ...parsed.whenToUse !== undefined ? { whenToUse: parsed.whenToUse } : {}, + ...parsed.disableModelInvocation !== undefined ? { disableModelInvocation: parsed.disableModelInvocation } : {}, + provider: 'local', + source: root.source, + rank: root.rank, + locator, + resourceBase: { kind: 'directory', path: locator.directory }, + path: locator.path, + ...parsed.metadata !== undefined ? { metadata: parsed.metadata } : {}, + }) + } + return skills +} + +async function listSkillRootEntries(root: SkillRoot, ctx: Context): Promise { + const fs = optionalFileSystem(ctx) + if (fs !== undefined) return await listSkillRootEntriesFromFileSystem(root, fs) + return await listSkillRootEntriesFromNode(root, ctx) +} + +async function listSkillRootEntriesFromFileSystem(root: SkillRoot, fs: FileSystem): Promise { + // Skill roots are optional; an absent or unlistable root contributes no skills. + const entries = await fsListDir(fs, root.path).catch(() => undefined) + return entries === undefined ? [] : entries.map(entryFromFs) +} + +async function fsListDir(fs: FileSystem, path: string): Promise { + const target = await fs.resolve(path) + return await fs.listDir(target) +} + +function entryFromFs(entry: FsDirEntry): SkillRootEntry { + return { name: entry.name, type: entry.type, path: entry.target.displayPath } +} + +async function listSkillRootEntriesFromNode(root: SkillRoot, ctx: Context): Promise { + let entries + try { + entries = await readdir(root.path, { withFileTypes: true, encoding: 'utf8' }) + } catch { + // Missing or unreadable local skill roots are expected in most deployments. + return [] + } + + const result: SkillRootEntry[] = [] + for (const entry of entries) { + const path = join(root.path, entry.name) + const type = await nodeEntryKind(path, entry, ctx) + result.push({ name: entry.name, type: type ?? 'other', path }) + } + return result +} + +async function parseSkillFile(path: string, ctx: Context): Promise { + const raw = await readSkillText(ctx, path) + if (raw === undefined) { + return undefined + } + let parsed + try { + parsed = parseFrontmatter(raw) + } catch (error) { + ctx.logger.warn(`skill file ${path} ignored: invalid YAML frontmatter: ${errorMessage(error)}`) + return undefined + } + if (!parsed) { + ctx.logger.warn(`skill file ${path} ignored: missing YAML frontmatter`) + return undefined + } + const name = stringField(parsed.data, 'name') + const description = stringField(parsed.data, 'description') + if (name === undefined || description === undefined) { + ctx.logger.warn(`skill file ${path} ignored: frontmatter requires name and description`) + return undefined + } + if (!isSkillName(name)) { + ctx.logger.warn(`skill file ${path} ignored: invalid skill name "${name}"`) + return undefined + } + return { + name, + description, + ...optionalString(parsed.data, 'whenToUse'), + ...optionalBoolean(parsed.data, 'disableModelInvocation'), + ...optionalMetadata(parsed.data), + content: parsed.body.trim(), + } +} + +function optionalFileSystem(ctx: Context): FileSystem | undefined { + return ctx.get('fs') +} + +async function readSkillText(ctx: Context, path: string): Promise { + const fs = optionalFileSystem(ctx) + if (fs !== undefined) { + return await readSkillTextFromFileSystem(ctx, fs, path) + } + try { + return await readFile(path, 'utf8') + } catch { + return undefined + } +} + +async function readSkillTextFromFileSystem(ctx: Context, fs: FileSystem, path: string): Promise { + // A missing or temporarily inaccessible skill file is not fatal to discovery. + const target = await fs.resolve(path).catch(() => undefined) + if (target === undefined) return undefined + const info = await fs.stat(target).catch((error: unknown) => { + ctx.logger.warn(`skill file ${path} ignored: failed to stat through filesystem service: ${errorMessage(error)}`) + return undefined + }) + if (info === undefined || info.type !== 'file') return undefined + try { + return await fs.readText(target) + } catch (error) { + ctx.logger.warn(`skill file ${path} ignored: ${fsReadErrorMessage(target, error)}`) + return undefined + } +} + +function fsReadErrorMessage(target: FsTarget, error: unknown): string { + return `failed to read text file at ${target.displayPath}: ${errorMessage(error)}` +} + +async function nodeEntryKind(fullPath: string, entry: { isDirectory(): boolean; isFile(): boolean; isSymbolicLink(): boolean }, ctx: Context): Promise<'directory' | 'file' | undefined> { + if (entry.isDirectory()) return 'directory' + if (entry.isFile()) return 'file' + /* v8 ignore next -- Non-file directory entries such as FIFOs are platform-specific and intentionally skipped. */ + if (!entry.isSymbolicLink()) return undefined + try { + const info = await stat(fullPath) + if (info.isDirectory()) return 'directory' + if (info.isFile()) return 'file' + return undefined + } catch (error) { + ctx.logger.warn(`skill entry ${fullPath} ignored: failed to follow symbolic link: ${errorMessage(error)}`) + return undefined + } +} + +function parseFrontmatter(raw: string): { data: Record; body: string } | undefined { + const firstLineEnd = raw.indexOf('\n') + if (firstLineEnd < 0) return undefined + const firstLine = raw.slice(0, firstLineEnd).replace(/\r$/, '') + if (firstLine !== '---') return undefined + const start = firstLineEnd + 1 + const closing = findClosingFrontmatter(raw, start) + if (closing === undefined) return undefined + const yaml = raw.slice(start, closing.start) + const parsed = parseYaml(yaml) as unknown + if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return undefined + return { data: parsed as Record, body: raw.slice(closing.bodyStart) } +} + +function findClosingFrontmatter(raw: string, start: number): { start: number; bodyStart: number } | undefined { + let lineStart = start + while (lineStart <= raw.length) { + const nextNewline = raw.indexOf('\n', lineStart) + const lineEnd = nextNewline < 0 ? raw.length : nextNewline + const line = raw.slice(lineStart, lineEnd).replace(/\r$/, '') + if (line === '---') { + return { start: lineStart, bodyStart: nextNewline < 0 ? raw.length : nextNewline + 1 } + } + if (nextNewline < 0) return undefined + lineStart = nextNewline + 1 + } +} + +async function findProjectRoot(cwd: string, fs: FileSystem | undefined): Promise { + let current = cwd + while (true) { + if (await pathExists(join(current, '.git'), fs)) { + return current + } + const parent = dirname(current) + if (parent === current) return cwd + current = parent + } +} + +async function pathExists(path: string, fs: FileSystem | undefined): Promise { + if (fs !== undefined) { + return await pathExistsInFileSystem(path, fs) + } + return await pathExistsInNode(path) +} + +async function pathExistsInFileSystem(path: string, fs: FileSystem): Promise { + let target + try { + target = await fs.resolve(path) + } catch { + // A backend may reject or hide this candidate; continue walking upward. + return false + } + try { + return await fs.stat(target) !== undefined + } catch { + // Transient stat failures make only this git-root candidate unusable. + return false + } +} + +async function pathExistsInNode(path: string): Promise { + try { + await access(path) + return true + } catch { + // Missing host paths are expected while walking toward the filesystem root. + return false + } +} + +function stringField(data: Record, key: string): string | undefined { + const value = data[key] + return typeof value === 'string' && value.length > 0 ? value : undefined +} + +function optionalString(data: Record, key: string): { [K in typeof key]?: string } { + const value = data[key] + return typeof value === 'string' && value.length > 0 ? { [key]: value } : {} +} + +function optionalBoolean(data: Record, key: string): { [K in typeof key]?: boolean } { + const value = data[key] + return typeof value === 'boolean' ? { [key]: value } : {} +} + +function optionalMetadata(data: Record): { metadata?: Record } { + const value = data.metadata + if (typeof value === 'object' && value !== null && !Array.isArray(value)) { + return { metadata: value as Record } + } + return {} +} + +function errorMessage(error: unknown): string { + return String(error) +} diff --git a/packages/core/skill-local/tests/skill-local.spec.ts b/packages/core/skill-local/tests/skill-local.spec.ts new file mode 100644 index 0000000000..5c981cb0e0 --- /dev/null +++ b/packages/core/skill-local/tests/skill-local.spec.ts @@ -0,0 +1,352 @@ +import { describe, expect, it } from 'vitest' +import { mkdir, readdir, readFile, stat, symlink, writeFile } from 'node:fs/promises' +import { dirname, join } from 'node:path' +import { tmpdir } from 'node:os' +import { Context } from 'cordis' +import SkillService from '@deepseek-ai/dsh-skill' +import { FileSystem, FsVersion, type FsDirEntry, type FsEditOutcome, type FsEditRequest, type FsInfo, type FsTarget, type FsWriteOutcome } from '@deepseek-ai/dsh-fs' +import * as SkillLocal from '../src/index.ts' + +async function tempDir(name: string): Promise { + return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) +} + +async function writeSkill(root: string, name: string, description: string, body = 'Use the skill.'): Promise { + const dir = join(root, name) + await mkdir(dir, { recursive: true }) + await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +async function writeFlatSkill(root: string, name: string, description: string, body = 'Flat body.'): Promise { + await mkdir(root, { recursive: true }) + await writeFile(join(root, `${name}.md`), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +class TestFileSystem extends FileSystem { + listDirCalls = 0 + failResolvePaths = new Set() + failStatPaths = new Set() + statOverrides = new Map() + + override async resolve(path: string): Promise { + if (this.failResolvePaths.has(path)) throw new Error('resolve failed') + return { targetKey: path as never, displayPath: path } + } + + override async stat(target: FsTarget): Promise { + if (this.failStatPaths.has(target.displayPath)) throw new Error('stat failed') + if (this.statOverrides.has(target.displayPath)) return this.statOverrides.get(target.displayPath) + try { + const fs = await import('node:fs/promises') + const info = await fs.stat(target.displayPath) + return { + version: FsVersion(String(info.mtimeMs)), + type: info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other', + size: info.size, + } + } catch { + return undefined + } + } + + override async readText(target: FsTarget): Promise { + const text = await readFile(target.displayPath, 'utf8') + if (text.includes('\uFFFD')) throw new Error('not text') + return text + } + + override async streamText(_target: FsTarget): Promise> { + throw new Error('not needed in skill tests') + } + + override async listDir(target: FsTarget): Promise { + this.listDirCalls += 1 + const entries = await readdir(target.displayPath, { withFileTypes: true, encoding: 'utf8' }) + const result: FsDirEntry[] = [] + for (const entry of entries.sort((left, right) => left.name.localeCompare(right.name))) { + const childPath = join(target.displayPath, entry.name) + let type: FsInfo['type'] = 'other' + let size: number | undefined + try { + const info = await stat(childPath) + type = info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other' + size = info.isFile() ? info.size : undefined + } catch { + type = 'other' + } + result.push({ + name: entry.name, + type, + target: { targetKey: childPath as never, displayPath: childPath }, + version: FsVersion('test'), + ...(size !== undefined ? { size } : {}), + }) + } + return result + } + + override async writeText(target: FsTarget, content: string): Promise { + await mkdir(dirname(target.displayPath), { recursive: true }) + await writeFile(target.displayPath, content) + return { operation: 'create', version: FsVersion('test'), before: null, after: content } + } + + override async editText(_target: FsTarget, _request: FsEditRequest): Promise { + throw new Error('not needed in skill tests') + } +} + +async function setupLocal(home: string, config: Partial = {}): Promise { + const ctx = new Context() + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + ...config, + }) + return ctx +} + +describe('dsh-skill-local plugin exports', () => { + it('declares stable plugin metadata', () => { + expect(SkillLocal.name).toBe('skill-local') + expect(SkillLocal.inject).toEqual(['skills']) + }) +}) + +describe('LocalSkillProvider', () => { + it('discovers project, custom, user, and agents skill roots in priority order', async () => { + const home = await tempDir('skill-home') + const project = await tempDir('skill-project') + const custom = await tempDir('skill-custom') + await mkdir(join(project, '.git'), { recursive: true }) + + await writeSkill(join(home, '.agents/skills'), 'same', 'user agents skill') + await writeSkill(join(home, '.dsh/skills'), 'same', 'user dsh skill') + await writeSkill(custom, 'same', 'custom skill') + await writeSkill(join(project, '.agents/skills'), 'same', 'project agents skill') + await writeSkill(join(project, '.dsh/skills'), 'same', 'project dsh skill') + await writeSkill(custom, 'custom-only', 'custom only') + await writeSkill(join(home, '.dsh/skills/.system'), 'hidden-system', 'hidden system') + + const ctx = await setupLocal(home, { customSkillDirs: [custom] }) + + const skills = await ctx.skills.list({ cwd: join(project, 'src') }) + expect(skills.map(skill => [skill.name, skill.description])).toEqual([ + ['custom-only', 'custom only'], + ['same', 'project dsh skill'], + ]) + expect(skills.find(skill => skill.name === 'same')?.source).toBe('project-dsh') + expect(skills.find(skill => skill.name === 'hidden-system')).toBeUndefined() + + const noGit = await tempDir('skill-no-git') + await writeSkill(join(noGit, '.dsh/skills'), 'fallback-root', 'Fallback root') + expect((await ctx.skills.list({ cwd: noGit })).map(skill => skill.name)).toContain('fallback-root') + }) + + it('lets project skills override runtime while runtime overrides custom and user skills', async () => { + const home = await tempDir('skill-runtime-priority') + const project = await tempDir('skill-runtime-project') + const custom = await tempDir('skill-runtime-custom') + await mkdir(join(project, '.git'), { recursive: true }) + + await writeSkill(join(project, '.dsh/skills'), 'project-name', 'Project wins') + await writeSkill(custom, 'runtime-name', 'Custom loses') + await writeSkill(join(home, '.dsh/skills'), 'runtime-name', 'User loses') + + const ctx = await setupLocal(home, { customSkillDirs: [custom] }) + ctx.skills.register({ + name: 'project-name', + description: 'Runtime loses to project', + content: 'Runtime body.', + source: 'runtime', + }) + ctx.skills.register({ + name: 'runtime-name', + description: 'Runtime wins', + content: 'Runtime body.', + source: 'runtime', + }) + + expect((await ctx.skills.get('project-name', { cwd: project }))?.description).toBe('Project wins') + expect((await ctx.skills.get('runtime-name', { cwd: project }))?.description).toBe('Runtime wins') + }) + + it('parses flat skills and filters invalid or model-disabled skills from listing', async () => { + const home = await tempDir('skill-flat') + const root = join(home, '.dsh/skills') + await writeFlatSkill(root, 'flat-skill', 'flat description', 'Flat instructions.') + await writeFile(join(root, 'rich-skill.md'), [ + '---', + 'name: rich-skill', + 'description: rich description', + 'whenToUse: For richer local parsing', + 'disableModelInvocation: false', + 'metadata:', + ' owner: tests', + '---', + '', + 'Rich body.', + ].join('\n')) + await writeFile(join(root, 'bad.md'), '---\nname: Bad_Name\ndescription: bad\n---\n\nbad') + await writeFile(join(root, 'missing-description.md'), '---\nname: missing-description\n---\n\nbad') + await writeFile(join(root, 'no-frontmatter.md'), 'No frontmatter.') + await writeFile(join(root, 'plain-markdown.md'), '# Notes\nNot a skill.') + await writeFile(join(root, 'open-frontmatter.md'), '---\nname: open-frontmatter') + await writeFile(join(root, 'non-object.md'), '---\n[]\n---\n\nbad') + await writeFile(join(root, 'no-trailing-body.md'), '---\nname: no-trailing-body\ndescription: No trailing body\n---') + await writeFile(join(root, 'notes.txt'), 'ignored') + await mkdir(join(root, 'not-a-skill'), { recursive: true }) + await writeSkill(root, 'hidden-skill', 'hidden description', 'Hidden.') + await writeFile(join(root, 'hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: hidden description\ndisableModelInvocation: true\n---\n\nHidden.\n') + + const ctx = await setupLocal(home) + const listedBeforeDelete = await ctx.skills.list() + const flatSummary = listedBeforeDelete.find(skill => skill.name === 'flat-skill') + if (flatSummary === undefined) throw new Error('expected flat-skill') + await writeFile(join(root, 'flat-skill.md'), '') + + expect(listedBeforeDelete.map(skill => skill.name)).toEqual(['flat-skill', 'no-trailing-body', 'rich-skill']) + expect(await ctx.skills.get('flat-skill')).toBeUndefined() + expect((await ctx.skills.get('hidden-skill'))?.content).toContain('Hidden.') + expect(await ctx.skills.get('rich-skill')).toMatchObject({ + whenToUse: 'For richer local parsing', + disableModelInvocation: false, + metadata: { owner: 'tests' }, + }) + expect(await ctx.skills.get('Bad_Name')).toBeUndefined() + }) + + it('supports CRLF frontmatter and ignores delimiter-looking text inside YAML values', async () => { + const home = await tempDir('skill-frontmatter-crlf') + const root = join(home, '.dsh/skills') + await mkdir(root, { recursive: true }) + await writeFile(join(root, 'crlf-skill.md'), [ + '---', + 'name: crlf-skill', + 'description: CRLF skill', + 'metadata:', + ' marker: "----"', + '---', + '', + 'CRLF body.', + ].join('\r\n')) + await writeFile(join(root, 'block-skill.md'), [ + '---', + 'name: block-skill', + 'description: |', + ' Includes a ---- marker that is not a delimiter.', + '---', + '', + 'Block body.', + ].join('\n')) + + const ctx = await setupLocal(home) + + expect((await ctx.skills.get('crlf-skill'))?.content).toBe('CRLF body.') + expect((await ctx.skills.get('crlf-skill'))?.metadata).toEqual({ marker: '----' }) + expect((await ctx.skills.get('block-skill'))?.description).toBe('Includes a ---- marker that is not a delimiter.\n') + expect((await ctx.skills.get('block-skill'))?.content).toBe('Block body.') + }) + + it('skips invalid YAML skill files without hiding valid siblings', async () => { + const home = await tempDir('skill-invalid-yaml') + const root = join(home, '.dsh/skills') + await writeSkill(root, 'good-skill', 'Good skill') + await writeFile(join(root, 'bad-yaml.md'), '---\nname: bad-yaml\ndescription: [unclosed\n---\n\nBad body.\n') + + const ctx = await setupLocal(home) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['good-skill']) + }) + + it('discovers symlinked skill directories and flat files', async () => { + const home = await tempDir('skill-symlink-home') + const external = await tempDir('skill-symlink-external') + await writeSkill(external, 'linked-dir', 'Linked directory') + await writeFlatSkill(external, 'linked-flat', 'Linked flat') + await mkdir(join(home, '.dsh/skills'), { recursive: true }) + await symlink(join(external, 'linked-dir'), join(home, '.dsh/skills/linked-dir')) + await symlink(join(external, 'linked-flat.md'), join(home, '.dsh/skills/linked-flat.md')) + await symlink(join(external, 'missing'), join(home, '.dsh/skills/broken-link')) + await symlink('/dev/null', join(home, '.dsh/skills/device-link')) + + const ctx = await setupLocal(home) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['linked-dir', 'linked-flat']) + }) + + it('uses the filesystem service for discovery, reads, and project-root lookup', async () => { + const home = await tempDir('skill-read-fs') + const project = await tempDir('skill-project-root-backend') + const nestedCwd = join(project, 'packages/app') + const root = join(home, '.dsh/skills') + await mkdir(nestedCwd, { recursive: true }) + await writeFlatSkill(root, 'text-skill', 'Text skill', 'Text body.') + await writeFlatSkill(root, 'resolve-fail', 'Resolve fail', 'Resolve body.') + await writeFlatSkill(root, 'stat-fail', 'Stat fail', 'Stat body.') + await mkdir(join(root, 'empty-dir'), { recursive: true }) + await mkdir(join(root, 'directory-skill/SKILL.md'), { recursive: true }) + await writeFile(join(root, 'binary-skill.md'), Buffer.concat([ + Buffer.from('---\nname: binary-skill\ndescription: Binary skill\n---\n\n'), + Buffer.from([0xff]), + Buffer.from('\n'), + ])) + await writeSkill(join(project, '.agents/skills'), 'backend-root', 'Backend root skill') + + const ctx = new Context() + await ctx.plugin(TestFileSystem) + const fs = ctx.fs as TestFileSystem + fs.failResolvePaths.add(join(root, 'resolve-fail.md')) + fs.failStatPaths.add(join(root, 'stat-fail.md')) + fs.failResolvePaths.add(join(nestedCwd, '.git')) + fs.failStatPaths.add(join(project, 'packages/.git')) + fs.statOverrides.set(join(project, '.git'), { + version: FsVersion('virtual-git'), + type: 'directory', + size: 0, + }) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + + expect((await ctx.skills.list({ cwd: nestedCwd })).map(skill => [skill.name, skill.source])).toEqual([ + ['backend-root', 'project-agents'], + ['text-skill', 'user-dsh'], + ]) + expect(fs.listDirCalls).toBeGreaterThan(0) + expect(await ctx.skills.get('binary-skill')).toBeUndefined() + }) + + it('uses default home root resolution without exposing builtin skills', async () => { + const previousDshHome = process.env.DSH_HOME + const previousAgentsHome = process.env.DSH_AGENTS_HOME + const envHome = await tempDir('skill-env-home') + try { + process.env.DSH_HOME = join(envHome, '.dsh') + process.env.DSH_AGENTS_HOME = join(envHome, '.agents') + await writeSkill(join(envHome, '.dsh/skills'), 'env-skill', 'Env skill') + const ctx = new Context() + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['env-skill']) + + process.env.DSH_HOME = join(envHome, 'empty-dsh') + process.env.DSH_AGENTS_HOME = join(envHome, 'empty-agents') + const empty = new Context() + await empty.plugin(SkillService) + SkillLocal.apply(empty, {}) + expect(await empty.skills.list()).toEqual([]) + } finally { + if (previousDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = previousDshHome + } + if (previousAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = previousAgentsHome + } + } + }) +}) diff --git a/packages/core/skill-local/tsconfig.json b/packages/core/skill-local/tsconfig.json new file mode 100644 index 0000000000..018f0a4a50 --- /dev/null +++ b/packages/core/skill-local/tsconfig.json @@ -0,0 +1,15 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": ["src"], + "references": [ + { "path": "../../../vendor/cosmokit" }, + { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" }, + { "path": "../../fs/fs" }, + { "path": "../skill" } + ] +} diff --git a/packages/core/skill/README.md b/packages/core/skill/README.md index 71b497485a..3e1b7ee460 100644 --- a/packages/core/skill/README.md +++ b/packages/core/skill/README.md @@ -1,54 +1,38 @@ # @deepseek-ai/dsh-skill -Agent skill discovery and model-facing skill guidance. +Agent skill provider registry and model-facing skill guidance. + +This package owns the `ctx.skills` interface. It does not know whether skills come from local files, embedded plugin data, HTTP, or another backend; providers register those sources with `ctx.skills.registerProvider(...)`. The shipped local implementation is [`@deepseek-ai/dsh-skill-local`](../skill-local). ## Service: `SkillService` (ctx key: `skills`) ### Public API -- `ctx.skills.list({ cwd? })` Returns model-invocable skill summaries for the current workspace. -- `ctx.skills.get(name, { cwd? })` Returns the full skill, including disabled-for-model skills. -- `ctx.skills.register(skill): () => void` Registers a runtime skill, disposed with the calling fiber. Same-name runtime registrations are first-wins: a duplicate logs a warning and gets a no-op disposer. +- `ctx.skills.registerProvider(provider): () => void` Registers a provider by unique `provider.name`. Duplicate provider names throw, and `runtime` is reserved for `ctx.skills.register(...)`. The registration is effect-scoped and HMR-safe. +- `ctx.skills.list({ cwd? })` Returns model-invocable skill summaries for the current workspace, merged across providers. +- `ctx.skills.get(name, { cwd? })` Returns the full winning skill, including disabled-for-model skills. +- `ctx.skills.register(skill): () => void` Registers a runtime embedded skill. Same-name runtime registrations are first-wins: a duplicate logs a warning and gets a no-op disposer. +- `ctx.skills.renderModelListing({ cwd? })` Renders the request-time `## Skills` catalog. ### Config | Field | Default | Meaning | |---|---|---| -| `dshHome` | `$DSH_HOME` or `~/.dsh` | DeepSeek Harness config root; system skills live under `skills/.system`. | -| `agentsHome` | `$DSH_AGENTS_HOME` or `~/.agents` | Shared agent config root scanned for compatible skills. | -| `extraRoots` | `[]` | Additional skill roots scanned after user roots and before system skills. | -| `installSystemSkills` | `true` | Whether startup materializes bundled system skills under `dshHome`. | | `promptFieldMaxLength` | `500` | Maximum rendered `description` / `whenToUse` length in the prompt listing; must be at least `3` because truncated fields reserve `...`. | -| `collectCacheMaxEntries` | `128` | Maximum cwd/root discovery promises kept in memory. | +| `collectCacheMaxEntries` | `128` | Maximum cwd/provider discovery promises kept in memory. | -### Discovery +## Provider Contract -Default roots are resolved in this conflict priority order: +A provider returns `SkillCandidate[]` from `list(options)` and later receives the winning candidate back in `get(candidate, options)`. The candidate's `locator` is opaque to the registry, so a local provider can store a file path while a future HTTP provider can store a URL, id, or version token. -| Source | Path | -|---|---| -| Project DSH | `/.dsh/skills` | -| Project agents | `/.agents/skills` | -| Runtime | `ctx.skills.register(...)` | -| User DSH | `~/.dsh/skills` | -| User agents | `~/.agents/skills` | -| Extra | `Config.extraRoots` | -| System | `~/.dsh/skills/.system` | +The registry validates candidate names, descriptions, ranks, and provider ownership. Candidate contract violations fail fast because the provider plugin is malformed; a provider `list()` rejection is treated as a transient source failure, logged, skipped for that request, and not cached. Duplicate skill names are resolved first-wins by `rank`, provider registration order, then the provider's own local order. The final model-visible summary list is sorted by skill `name` for deterministic prompt text and provider prefix-cache friendliness. -The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. When `ctx.fs` is available, that ancestor lookup probes `.git` through the filesystem service rather than the host filesystem so remote or sandboxed workspaces keep their own project boundary. The user DSH root skips `.system` during normal user scanning so system skills are read exactly once. Same-name skills keep the highest-priority copy, then model-visible summaries are sorted by skill name for stable prompts and provider prefix-cache friendliness. +## Runtime Skills -When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and installs system skills through `ctx.fs.writeText`. Without a filesystem service, the package falls back to Node filesystem I/O for project-root lookup, discovery, reads, and installation so the service can still run in minimal test contexts. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. - -Discovery is memoized per resolved root set and runtime-skill revision. Runtime `register()` and active disposer calls invalidate the cache; duplicate runtime registrations do not alter the active set. Disk-only changes are picked up on the next invalidation or process restart. - -## Skill Format - -Skills can be single-level directory bundles (`/SKILL.md`) or flat Markdown files (`.md`). Nested `**/SKILL.md` discovery is intentionally not part of v1. Frontmatter is parsed as YAML with the `yaml` package; it requires `name` and `description`, while `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names must be kebab-case. +`ctx.skills.register(...)` is a convenience for embedded runtime skills. Runtime skills use rank `250`: project providers can override them, while they override the shipped local provider's custom and user roots. Runtime registration is also first-wins within runtime contributions, so a duplicate contribution cannot remove the active one through its disposer. ## Prompt Integration -The service listens on `system-prompt/assemble` and appends a short `## Skills` section to the calling agent's assembled system prompt. The listing contains only stable routing metadata (`name`, `source`, `description`, and optional `whenToUse`), not skill bodies or local absolute paths. `description` and `whenToUse` are whitespace-normalized and capped in the listing so one pathological skill cannot bloat every model request. Models load full instructions through the `skill` tool. +The service listens on `system-prompt/assemble` and appends a short `## Skills` section to the calling agent's assembled system prompt. The listing contains only stable routing metadata (`name`, `source`, `description`, and optional `whenToUse`), not skill bodies or absolute local paths. `description` and `whenToUse` are whitespace-normalized, capped, XML-escaped, and have `{{` / `}}` delimiters split so provider text cannot trip prompt-variable interpolation. Models load full instructions through the `skill` tool. -## System Skills - -On startup, the service ensures bundled system skills exist under `~/.dsh/skills/.system` unless `installSystemSkills: false` is configured. Project, runtime, user, and extra-root skills can override system skills by name. +The prompt-injection surface is intentionally separate from provider loading: changing where skills come from means adding or swapping providers, not changing prompt assembly or the `skill` tool. diff --git a/packages/core/skill/package.json b/packages/core/skill/package.json index fade69a580..82a43dd6a0 100644 --- a/packages/core/skill/package.json +++ b/packages/core/skill/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-skill", - "description": "Agent skill discovery and prompt listing for the DeepSeek Harness", + "description": "Agent skill provider registry and prompt listing for the DeepSeek Harness", "version": "0.0.1", "private": true, "type": "module", @@ -23,19 +23,14 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", - "@deepseek-ai/dsh-fs": "^0.0.1", - "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-system-prompt": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "dependencies": { - "schemastery": "^3.18.0", - "yaml": "^2.4.2" + "schemastery": "^3.18.0" }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", - "@deepseek-ai/dsh-fs": "workspace:^", - "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "cordis": "^4.0.0-rc.6" } diff --git a/packages/core/skill/src/index.ts b/packages/core/skill/src/index.ts index eeca83b852..77b54f0929 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/core/skill/src/index.ts @@ -1,27 +1,25 @@ /** - * Agent skill discovery and prompt listing. + * Agent skill registry and request-time catalog rendering. * - * Skills are progressive-disclosure instructions: the model sees only a short - * listing in the system prompt, then calls the `skill` tool to load the full - * `SKILL.md` body when a task matches. + * This package is the interface third of the skill capability seam. Concrete + * providers such as `@deepseek-ai/dsh-skill-local` decide where skills come + * from; this service only merges provider catalogs, resolves the winning skill + * for a name, and exposes the model-facing catalog/tool consumers use. * * @module @deepseek-ai/dsh-skill */ -import { access, mkdir, readdir, readFile, stat, writeFile } from 'node:fs/promises' -import { dirname, join, resolve } from 'node:path' -import { homedir } from 'node:os' import { Context, Service } from 'cordis' import z from 'schemastery' import type Schema from 'schemastery' -import { parse as parseYaml } from 'yaml' -import type { FileSystem, FsDirEntry, FsTarget } from '@deepseek-ai/dsh-fs' import type {} from '@deepseek-ai/dsh-system-prompt' import type {} from '@deepseek-ai/dsh-agent' const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ const DEFAULT_PROMPT_FIELD_LENGTH = 500 const DEFAULT_COLLECT_CACHE_ENTRIES = 128 +const RUNTIME_PROVIDER = 'runtime' +const RUNTIME_RANK = 250 const SKILL_PROMPT_SECTION_ORDER = 1000 /** Return whether a string is a valid kebab-case skill name. */ @@ -29,10 +27,16 @@ export function isSkillName(name: string): boolean { return SKILL_NAME.test(name) } -/** Origin bucket for a discovered skill. The value is prompt-visible metadata, not part of precedence by itself. */ -export type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'extra' | 'system' +/** Origin bucket for a skill contribution. The value is prompt-visible metadata, not precedence by itself. */ +export type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'custom' | (string & {}) -/** Model-visible skill metadata returned by `ctx.skills.list()` and rendered into the request prompt. */ +/** Optional provider-specific base used by loaded skill bodies to resolve relative resources. */ +export type SkillResourceBase = + | { kind: 'directory'; path: string } + | { kind: 'url'; url: string } + | { kind: 'opaque'; description: string } + +/** Model-visible skill metadata returned by `ctx.skills.list()` and rendered into request guidance. */ export interface SkillSummary { /** Kebab-case identifier used with the `skill` tool. */ name: string @@ -42,43 +46,68 @@ export interface SkillSummary { whenToUse?: string /** Whether the skill is hidden from model listings while remaining loadable by trusted callers. */ disableModelInvocation?: boolean - /** Base directory for resolving skill-relative references. */ - directory: string /** Discovery source that produced this winning skill. */ source: SkillSource + /** Provider that owns this skill body. */ + provider: string + /** Provider-specific base for relative resources. */ + resourceBase?: SkillResourceBase +} + +/** Provider catalog entry used by the registry to merge and later load skills. */ +export interface SkillCandidate extends SkillSummary { + /** Lower ranks win duplicate skill names before provider registration order is considered. */ + rank: number + /** Opaque provider-owned handle passed back to `provider.get()`. */ + locator: unknown + /** Absolute file path when the provider has one. */ + path?: string + /** Parsed optional metadata object from provider-specific skill frontmatter. */ + metadata?: Record } /** Complete parsed skill definition, including the body loaded by `ctx.skills.get()`. */ export interface SkillDefinition extends SkillSummary { - /** Markdown instruction body after frontmatter removal. */ + /** Markdown instruction body after any provider-specific metadata removal. */ content: string - /** Absolute file path when the skill came from disk; runtime skills may omit it. */ + /** Absolute file path when the skill came from disk. */ path?: string /** Parsed optional metadata object from frontmatter. */ metadata?: Record } /** Runtime skill contribution accepted by `ctx.skills.register()`. */ -export type SkillRegistration = Omit & { disableModelInvocation?: boolean } +export type SkillRegistration = Omit & { provider?: string } -/** Workspace selector used for cwd-sensitive project-root discovery. */ +/** Workspace selector used for cwd-sensitive provider discovery. */ export interface SkillLookupOptions { cwd?: string | undefined } -/** Skill plugin configuration. */ +/** Provider interface for one source of skills, such as local directories or a remote registry. */ +export interface SkillProvider { + /** Unique provider name in the `ctx.skills` registry. */ + name: string + /** + * List available skill candidates for the current lookup context. + * @param options - lookup options; `cwd` selects workspace-sensitive skills. + * @returns provider candidates with precedence ranks and opaque locators. + */ + list(options: SkillLookupOptions): Promise + /** + * Load a complete skill body for a previously listed candidate. + * @param candidate - the winning candidate originally returned by this provider. + * @param options - lookup options; `cwd` selects workspace-sensitive skills. + * @returns the full skill body, or `undefined` if it is no longer loadable. + */ + get(candidate: SkillCandidate, options: SkillLookupOptions): Promise +} + +/** Skill registry configuration. */ export interface Config { - /** DeepSeek Harness config root. Defaults to `$DSH_HOME` or `~/.dsh`. */ - dshHome?: string - /** Shared agent config root. Defaults to `$DSH_AGENTS_HOME` or `~/.agents`. */ - agentsHome?: string - /** Extra skill roots, scanned after user roots and before system skills. */ - extraRoots?: string[] - /** Ensure bundled system skills exist under `/skills/.system`. Defaults true. */ - installSystemSkills?: boolean /** Maximum rendered description/whenToUse length in the prompt listing; minimum 3. */ promptFieldMaxLength?: number - /** Maximum number of cwd/root discovery promises kept in the in-memory cache. */ + /** Maximum number of cwd/provider discovery promises kept in the in-memory cache. */ collectCacheMaxEntries?: number } @@ -86,88 +115,63 @@ declare module 'cordis' { interface Context { skills: SkillService } + + interface Events { + /** + * A skill provider became resolvable in the `ctx.skills` registry. + * Consumers can observe this instead of depending on Cordis plugin load + * order, which is concurrent for sibling plugins. + * @param provider - the provider that just registered. + * @mode emit + */ + 'skill/provider-added'(provider: SkillProvider): void + /** + * A skill provider left the registry because its plugin fiber was disposed. + * @param name - the registry name that no longer resolves. + * @mode emit + */ + 'skill/provider-removed'(name: string): void + } } -interface SkillRoot { - path: string - source: SkillSource - skipSystem?: boolean +interface IndexedCandidate { + candidate: SkillCandidate + provider: SkillProvider + providerOrder: number + localOrder: number } -const SYSTEM_SKILLS: SkillDefinition[] = [ - { - name: 'dsh-plugin-creator', - description: 'Create or update DeepSeek Harness Cordis plugins and packages.', - directory: 'system://dsh-plugin-creator', - source: 'system', - content: [ - 'Use this skill to create DeepSeek Harness plugins that fit the repository architecture.', - '', - 'Prefer Cordis services, plugin packages, effect-scoped registrations, and existing extension seams over loop changes.', - 'When adding a swappable capability, design the interface/implementation/consumer split first.', - 'Every registry or registration path needs disposal/HMR coverage.', - 'Update package docs, architecture docs, package graph references, and generated catalogs when public surfaces change.', - ].join('\n'), - }, - { - name: 'dsh-skill-creator', - description: 'Create or update DeepSeek Harness SKILL.md instructions.', - whenToUse: 'Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills.', - directory: 'system://dsh-skill-creator', - source: 'system', - content: [ - 'Use this skill to write focused DeepSeek Harness skills.', - '', - 'A skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.', - 'Frontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.', - 'Use optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.', - 'Keep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.', - ].join('\n'), - }, -] +interface CollectResult { + entries: IndexedCandidate[] + cacheable: boolean +} /** - * Skill discovery service. It scans project/user/system skill roots, exposes - * model-visible summaries, loads full skill bodies on demand, and injects the - * stable `## Skills` listing into each agent request. + * Registry of skill providers. It merges provider catalogs with stable + * first-wins duplicate handling, exposes sorted model-visible summaries, loads + * full skill bodies on demand, and renders the request-time catalog fragment. */ export class SkillService extends Service { static Config: Schema = z.object({ - dshHome: z.string(), - agentsHome: z.string(), - extraRoots: z.array(z.string()).default([]), - installSystemSkills: z.boolean().default(true), promptFieldMaxLength: z.number().default(DEFAULT_PROMPT_FIELD_LENGTH), collectCacheMaxEntries: z.number().default(DEFAULT_COLLECT_CACHE_ENTRIES), }) - private readonly dshHome: string - private readonly agentsHome: string - private readonly extraRoots: string[] - private readonly installSystemSkills: boolean private readonly promptFieldMaxLength: number private readonly collectCacheMaxEntries: number + private readonly providers = new Map() private readonly runtime = new Map() - private readonly collectCache = new Map>() + private readonly collectCache = new Map>() + private providerRevision = 0 + private nextProviderOrder = 0 private runtimeRevision = 0 - private systemReady: Promise | undefined constructor(ctx: Context, config: Config = {}) { super(ctx, 'skills') - this.dshHome = resolve(config.dshHome ?? process.env.DSH_HOME ?? join(homedir(), '.dsh')) - this.agentsHome = resolve(config.agentsHome ?? process.env.DSH_AGENTS_HOME ?? join(homedir(), '.agents')) - this.extraRoots = (config.extraRoots ?? []).map(root => resolve(root)) - this.installSystemSkills = config.installSystemSkills ?? true this.promptFieldMaxLength = config.promptFieldMaxLength ?? DEFAULT_PROMPT_FIELD_LENGTH this.collectCacheMaxEntries = config.collectCacheMaxEntries ?? DEFAULT_COLLECT_CACHE_ENTRIES assertPositiveInteger('promptFieldMaxLength', this.promptFieldMaxLength, 3) assertPositiveInteger('collectCacheMaxEntries', this.collectCacheMaxEntries) - if (this.installSystemSkills) { - const systemRoot = join(this.dshHome, 'skills/.system') - this.systemReady = writeSystemSkills(systemRoot, this.ctx).catch((error: unknown) => { - this.ctx.logger.warn(`failed to install bundled system skills under ${systemRoot}: ${errorMessage(error)}`) - }) - } ctx.on('system-prompt/assemble', async (_assembly, context, next) => { const result = await next() @@ -186,24 +190,56 @@ export class SkillService extends Service { } /** - * Register a runtime skill contribution. - * Same-name runtime registrations are first-wins: a duplicate logs a warning - * and returns a no-op disposer so it cannot remove the active contribution. + * Register a skill provider. Throws if another provider already owns the same + * provider name, including the reserved runtime provider name. Effect-scoped + * and HMR-safe: disposing the caller's fiber unregisters the provider and + * invalidates cached catalogs. + * @param provider - the provider to register by `provider.name`. + * @returns a disposer that unregisters this provider. + */ + registerProvider(provider: SkillProvider): () => void { + const dispose = this.ctx.effect(function* (this: SkillService) { + if (provider.name === RUNTIME_PROVIDER) { + throw new Error(`"${RUNTIME_PROVIDER}" is reserved for runtime skill registrations`) + } + if (this.providers.has(provider.name)) { + throw new Error(`a skill provider named "${provider.name}" is already registered`) + } + this.providers.set(provider.name, { provider, order: this.nextProviderOrder }) + this.nextProviderOrder += 1 + this.invalidateCache() + yield () => { + this.providers.delete(provider.name) + this.invalidateCache() + this.ctx.emit('skill/provider-removed', provider.name) + } + this.ctx.emit('skill/provider-added', provider) + }.bind(this), 'skills.registerProvider()') + return () => void dispose() + } + + /** + * Register a runtime skill contribution. Runtime registrations are treated as + * embedded provider entries with project-over-user priority. Same-name runtime + * registrations are first-wins: a duplicate logs a warning and gets a no-op + * disposer so it cannot remove the active contribution. * @param skill - the complete skill definition to expose for discovery. * @returns a disposer that removes this runtime contribution and invalidates caches. */ register(skill: SkillRegistration): () => void { - const normalized = normalizeSkill(skill) + const normalized = normalizeRuntimeSkill(skill) const existing = this.runtime.get(normalized.name) if (existing !== undefined) { - this.ctx.logger.warn(`runtime skill "${normalized.name}" from ${normalized.source} ignored because it is already registered from ${existing.source}`) + this.ctx.logger.warn(`runtime skill "${normalized.name}" ignored because it is already registered`) return () => {} } const dispose = this.ctx.effect(function* (this: SkillService) { this.runtime.set(normalized.name, normalized) + this.runtimeRevision += 1 this.invalidateCache() yield () => { this.runtime.delete(normalized.name) + this.runtimeRevision += 1 this.invalidateCache() } }.bind(this), 'skills.register()') @@ -217,6 +253,7 @@ export class SkillService extends Service { */ async list(options: SkillLookupOptions = {}): Promise { return (await this.collect(options)) + .map(entry => entry.candidate) .filter(skill => skill.disableModelInvocation !== true) .map(toSummary) .sort(compareSummary) @@ -225,17 +262,19 @@ export class SkillService extends Service { /** * Load one full skill definition by name. * @param name - kebab-case skill name. - * @param options - lookup options; `cwd` selects the project roots to scan. + * @param options - lookup options; `cwd` selects workspace-sensitive skills. * @returns the full skill, including body content, or `undefined`. */ async get(name: string, options: SkillLookupOptions = {}): Promise { if (!isSkillName(name)) return undefined - return (await this.collect(options)).find(skill => skill.name === name) + const match = (await this.collect(options)).find(entry => entry.candidate.name === name) + if (match === undefined) return undefined + return await match.provider.get(match.candidate, options) } /** * Render the request-time `## Skills` prompt fragment. - * @param options - lookup options; `cwd` selects the project roots to scan. + * @param options - lookup options; `cwd` selects workspace-sensitive skills. * @returns an empty string when no model-invocable skills are available. */ async renderModelListing(options: SkillLookupOptions = {}): Promise { @@ -259,15 +298,16 @@ export class SkillService extends Service { ].join('\n') } - private async collect(options: SkillLookupOptions): Promise { - await this.ensureSystemSkills() - const roots = await this.roots(options.cwd) - const key = collectCacheKey(roots, this.runtimeRevision) + private async collect(options: SkillLookupOptions): Promise { + const key = collectCacheKey(options, this.providerRevision, this.runtimeRevision) const cached = this.collectCache.get(key) if (cached !== undefined) return cached - const collected = this.collectFresh(roots) - const cachedPromise = collected.catch((error: unknown) => { + const collected = this.collectFresh(options) + const cachedPromise = collected.then((result) => { + if (!result.cacheable) this.collectCache.delete(key) + return result.entries + }).catch((error: unknown) => { this.collectCache.delete(key) throw error }) @@ -279,345 +319,116 @@ export class SkillService extends Service { return cachedPromise } - private async collectFresh(roots: { project: SkillRoot[]; shared: SkillRoot[] }): Promise { + private async collectFresh(options: SkillLookupOptions): Promise { + const collected = await this.listAllCandidates(options) + collected.entries.sort(compareIndexedCandidates) const seen = new Set() - const result: SkillDefinition[] = [] - - const add = (skill: SkillDefinition): void => { + const result: IndexedCandidate[] = [] + for (const entry of collected.entries) { + const skill = entry.candidate if (seen.has(skill.name)) { - this.ctx.logger.warn(`skill "${skill.name}" from ${skill.directory} ignored because a higher-priority skill already exists`) - return + this.ctx.logger.warn(`skill "${skill.name}" from ${skill.source} ignored because a higher-priority skill already exists`) + continue } seen.add(skill.name) - result.push(skill) + result.push(entry) } - - for (const root of roots.project) { - for (const skill of await discoverRoot(root, this.ctx)) add(skill) - } - for (const skill of [...this.runtime.values()].sort((a, b) => a.name.localeCompare(b.name))) add(skill) - for (const root of roots.shared) { - for (const skill of await discoverRoot(root, this.ctx)) add(skill) - } - return result + return { entries: result, cacheable: collected.cacheable } } - private async roots(cwd: string | undefined): Promise<{ project: SkillRoot[]; shared: SkillRoot[] }> { - const project: SkillRoot[] = [] - if (cwd !== undefined) { - const projectRoot = await findProjectRoot(resolve(cwd), optionalFileSystem(this.ctx)) - project.push( - { path: join(projectRoot, '.dsh/skills'), source: 'project-dsh' }, - { path: join(projectRoot, '.agents/skills'), source: 'project-agents' }, - ) + private async listAllCandidates(options: SkillLookupOptions): Promise { + const candidates: IndexedCandidate[] = [] + let cacheable = true + let runtimeOrder = 0 + for (const skill of [...this.runtime.values()].sort((a, b) => a.name.localeCompare(b.name))) { + candidates.push({ + candidate: runtimeCandidate(skill), + provider: RUNTIME_SKILL_PROVIDER, + providerOrder: -1, + localOrder: runtimeOrder, + }) + runtimeOrder += 1 } - const shared: SkillRoot[] = [ - { path: join(this.dshHome, 'skills'), source: 'user-dsh', skipSystem: true }, - { path: join(this.agentsHome, 'skills'), source: 'user-agents' }, - ...this.extraRoots.map(path => ({ path, source: 'extra' as const })), - { path: join(this.dshHome, 'skills/.system'), source: 'system' }, - ] - return { project, shared } - } - - private ensureSystemSkills(): Promise { - return this.systemReady ?? Promise.resolve() + for (const { provider, order } of this.providers.values()) { + let localOrder = 0 + const listed = await provider.list(options).catch((error: unknown) => { + cacheable = false + this.ctx.logger.warn(`skill provider "${provider.name}" skipped: ${errorMessage(error)}`) + return undefined + }) + if (listed === undefined) continue + for (const candidate of listed) { + validateCandidate(candidate, provider.name) + candidates.push({ candidate, provider, providerOrder: order, localOrder }) + localOrder += 1 + } + } + return { entries: candidates, cacheable } } private invalidateCache(): void { - this.runtimeRevision += 1 + this.providerRevision += 1 this.collectCache.clear() } } -async function writeSystemSkills(systemRoot: string, ctx: Context): Promise { - await Promise.all(SYSTEM_SKILLS.map(async (skill) => { - const dir = join(systemRoot, skill.name) - const file = join(dir, 'SKILL.md') - if (await skillFileExists(ctx, file)) { - return - } - await writeSkillText(ctx, file, renderSkillFile(skill)) - ctx.logger.debug(`installed system skill ${skill.name} at ${file}`) - })) +const RUNTIME_SKILL_PROVIDER: SkillProvider = { + name: RUNTIME_PROVIDER, + /* v8 ignore next -- Runtime skills are injected directly by the registry; this provider only owns `get()`. */ + list() { + return Promise.resolve([]) + }, + get(candidate) { + const skill = candidate.locator as SkillDefinition + return Promise.resolve({ ...skill }) + }, } -function renderSkillFile(skill: SkillDefinition): string { - const frontmatter = [ - '---', - `name: ${skill.name}`, - `description: ${skill.description}`, - ...skill.whenToUse ? [`whenToUse: ${skill.whenToUse}`] : [], - '---', - '', - ] - return `${frontmatter.join('\n')}${skill.content}\n` -} - -async function discoverRoot(root: SkillRoot, ctx: Context): Promise { - const skills: SkillDefinition[] = [] - const entries = await listSkillRootEntries(root, ctx) - for (const entry of entries.sort((a, b) => a.name.localeCompare(b.name))) { - if (root.skipSystem && entry.name === '.system') continue - const parsed = entry.type === 'directory' - ? await parseSkillFile(join(entry.path, 'SKILL.md'), entry.path, root.source, ctx) - : entry.type === 'file' && entry.name.endsWith('.md') - ? await parseSkillFile(entry.path, root.path, root.source, ctx) - : undefined - if (parsed) skills.push(parsed) - } - return skills -} - -interface SkillRootEntry { - name: string - type: 'directory' | 'file' | 'other' - path: string -} - -async function listSkillRootEntries(root: SkillRoot, ctx: Context): Promise { - const fs = optionalFileSystem(ctx) - if (fs !== undefined) return await listSkillRootEntriesFromFileSystem(root, fs) - return await listSkillRootEntriesFromNode(root, ctx) -} - -async function listSkillRootEntriesFromFileSystem(root: SkillRoot, fs: FileSystem): Promise { - // Skill roots are optional; an absent or unlistable root contributes no skills. - const entries = await fsListDir(fs, root.path).catch(() => undefined) - return entries === undefined ? [] : entries.map(entryFromFs) -} - -async function fsListDir(fs: FileSystem, path: string): Promise { - const target = await fs.resolve(path) - return await fs.listDir(target) -} - -function entryFromFs(entry: FsDirEntry): SkillRootEntry { - return { name: entry.name, type: entry.type, path: entry.target.displayPath } -} - -async function listSkillRootEntriesFromNode(root: SkillRoot, ctx: Context): Promise { - let entries - try { - entries = await readdir(root.path, { withFileTypes: true, encoding: 'utf8' }) - } catch { - return [] - } - - const result: SkillRootEntry[] = [] - for (const entry of entries) { - const path = join(root.path, entry.name) - const type = await nodeEntryKind(path, entry, ctx) - result.push({ name: entry.name, type: type ?? 'other', path }) - } - return result -} - -async function parseSkillFile(path: string, directory: string, source: SkillSource, ctx: Context): Promise { - const raw = await readSkillText(ctx, path) - if (raw === undefined) { - return undefined - } - let parsed - try { - parsed = parseFrontmatter(raw) - } catch (error) { - ctx.logger.warn(`skill file ${path} ignored: invalid YAML frontmatter: ${errorMessage(error)}`) - return undefined - } - if (!parsed) { - ctx.logger.warn(`skill file ${path} ignored: missing YAML frontmatter`) - return undefined - } - const name = stringField(parsed.data, 'name') - const description = stringField(parsed.data, 'description') - if (name === undefined || description === undefined) { - ctx.logger.warn(`skill file ${path} ignored: frontmatter requires name and description`) - return undefined - } - if (!isSkillName(name)) { - ctx.logger.warn(`skill file ${path} ignored: invalid skill name "${name}"`) - return undefined - } +function runtimeCandidate(skill: SkillDefinition): SkillCandidate { return { - name, - description, - ...optionalString(parsed.data, 'whenToUse'), - ...optionalBoolean(parsed.data, 'disableModelInvocation'), - ...optionalMetadata(parsed.data), - directory, - path, - source, - content: parsed.body.trim(), + ...toSummary(skill), + rank: RUNTIME_RANK, + locator: skill, + ...skill.path !== undefined ? { path: skill.path } : {}, + ...skill.metadata !== undefined ? { metadata: skill.metadata } : {}, } } -function optionalFileSystem(ctx: Context): FileSystem | undefined { - return ctx.get('fs') -} - -async function skillFileExists(ctx: Context, path: string): Promise { - const fs = optionalFileSystem(ctx) - if (fs !== undefined) { - const target = await fs.resolve(path) - return await fs.stat(target) !== undefined +function validateCandidate(candidate: SkillCandidate, providerName: string): void { + if (!SKILL_NAME.test(candidate.name)) { + throw new Error(`skill provider "${providerName}" returned invalid skill name "${candidate.name}"`) } - try { - await access(path) - return true - } catch { - // Expected first-run path: the bundled system skill has not been installed. - return false + if (candidate.description.length === 0) { + throw new Error(`skill provider "${providerName}" returned skill "${candidate.name}" without a description`) + } + if (!Number.isFinite(candidate.rank)) { + throw new Error(`skill provider "${providerName}" returned skill "${candidate.name}" with an invalid rank`) + } + if (candidate.provider !== providerName) { + throw new Error(`skill provider "${providerName}" returned skill "${candidate.name}" for provider "${candidate.provider}"`) } } -async function writeSkillText(ctx: Context, path: string, content: string): Promise { - const fs = optionalFileSystem(ctx) - if (fs !== undefined) { - await fs.writeText(await fs.resolve(path), content) - return - } - await mkdir(dirname(path), { recursive: true }) - await writeFile(path, content) -} - -async function readSkillText(ctx: Context, path: string): Promise { - const fs = optionalFileSystem(ctx) - if (fs !== undefined) { - return await readSkillTextFromFileSystem(ctx, fs, path) - } - try { - return await readFile(path, 'utf8') - } catch { - return undefined - } -} - -async function readSkillTextFromFileSystem(ctx: Context, fs: FileSystem, path: string): Promise { - // A missing or temporarily inaccessible skill file is not fatal to discovery. - const target = await fs.resolve(path).catch(() => undefined) - if (target === undefined) return undefined - const info = await fs.stat(target).catch((error: unknown) => { - ctx.logger.warn(`skill file ${path} ignored: failed to stat through filesystem service: ${errorMessage(error)}`) - return undefined - }) - if (info === undefined || info.type !== 'file') return undefined - try { - return await fs.readText(target) - } catch (error) { - ctx.logger.warn(`skill file ${path} ignored: ${fsReadErrorMessage(target, error)}`) - return undefined - } -} - -function fsReadErrorMessage(target: FsTarget, error: unknown): string { - return `failed to read text file at ${target.displayPath}: ${errorMessage(error)}` -} - -async function nodeEntryKind(fullPath: string, entry: { isDirectory(): boolean; isFile(): boolean; isSymbolicLink(): boolean }, ctx: Context): Promise<'directory' | 'file' | undefined> { - if (entry.isDirectory()) return 'directory' - if (entry.isFile()) return 'file' - /* v8 ignore next -- Non-file directory entries such as FIFOs are platform-specific and intentionally skipped. */ - if (!entry.isSymbolicLink()) return undefined - try { - const info = await stat(fullPath) - if (info.isDirectory()) return 'directory' - if (info.isFile()) return 'file' - return undefined - } catch (error) { - ctx.logger.warn(`skill entry ${fullPath} ignored: failed to follow symbolic link: ${errorMessage(error)}`) - return undefined - } -} - -function parseFrontmatter(raw: string): { data: Record; body: string } | undefined { - const firstLineEnd = raw.indexOf('\n') - if (firstLineEnd < 0) return undefined - const firstLine = raw.slice(0, firstLineEnd).replace(/\r$/, '') - if (firstLine !== '---') return undefined - const start = firstLineEnd + 1 - const closing = findClosingFrontmatter(raw, start) - if (closing === undefined) return undefined - const yaml = raw.slice(start, closing.start) - const parsed = parseYaml(yaml) as unknown - if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return undefined - return { data: parsed as Record, body: raw.slice(closing.bodyStart) } -} - -function findClosingFrontmatter(raw: string, start: number): { start: number; bodyStart: number } | undefined { - let lineStart = start - while (lineStart <= raw.length) { - const nextNewline = raw.indexOf('\n', lineStart) - const lineEnd = nextNewline < 0 ? raw.length : nextNewline - const line = raw.slice(lineStart, lineEnd).replace(/\r$/, '') - if (line === '---') { - return { start: lineStart, bodyStart: nextNewline < 0 ? raw.length : nextNewline + 1 } - } - if (nextNewline < 0) return undefined - lineStart = nextNewline + 1 - } -} - -async function findProjectRoot(cwd: string, fs: FileSystem | undefined): Promise { - let current = cwd - while (true) { - if (await pathExists(join(current, '.git'), fs)) { - return current - } - const parent = dirname(current) - if (parent === current) return cwd - current = parent - } -} - -async function pathExists(path: string, fs: FileSystem | undefined): Promise { - if (fs !== undefined) { - return await pathExistsInFileSystem(path, fs) - } - return await pathExistsInNode(path) -} - -async function pathExistsInFileSystem(path: string, fs: FileSystem): Promise { - let target - try { - target = await fs.resolve(path) - } catch { - // A backend may reject or hide this candidate; continue walking upward. - return false - } - try { - return await fs.stat(target) !== undefined - } catch { - // Transient stat failures make only this git-root candidate unusable. - return false - } -} - -async function pathExistsInNode(path: string): Promise { - try { - await access(path) - return true - } catch { - // Missing host paths are expected while walking toward the filesystem root. - return false - } -} - -function normalizeSkill(skill: SkillRegistration): SkillDefinition { +function normalizeRuntimeSkill(skill: SkillRegistration): SkillDefinition { if (!SKILL_NAME.test(skill.name)) throw new Error(`invalid skill name "${skill.name}"`) if (skill.description.length === 0) throw new Error(`skill "${skill.name}" requires a description`) - return { ...skill } + return { + ...skill, + provider: skill.provider ?? RUNTIME_PROVIDER, + source: skill.source, + } } -function toSummary(skill: SkillDefinition): SkillSummary { - const { name, description, whenToUse, disableModelInvocation, directory, source } = skill +function toSummary(skill: SkillDefinition | SkillCandidate): SkillSummary { + const { name, description, whenToUse, disableModelInvocation, source, provider, resourceBase } = skill return { name, description, ...whenToUse !== undefined ? { whenToUse } : {}, ...disableModelInvocation !== undefined ? { disableModelInvocation } : {}, - directory, source, + provider, + ...resourceBase !== undefined ? { resourceBase } : {}, } } @@ -625,12 +436,22 @@ function compareSummary(left: SkillSummary, right: SkillSummary): number { return left.name.localeCompare(right.name) } +function compareIndexedCandidates(left: IndexedCandidate, right: IndexedCandidate): number { + return left.candidate.rank - right.candidate.rank + || left.providerOrder - right.providerOrder + || left.localOrder - right.localOrder +} + function promptLine(value: string, maxLength: number): string { const normalized = value.replaceAll(/\s+/g, ' ').trim() const truncated = normalized.length <= maxLength ? normalized : `${normalized.slice(0, maxLength - 3)}...` - return escapeText(truncated) + return escapeText(breakPromptTemplateDelimiters(truncated)) +} + +function breakPromptTemplateDelimiters(value: string): string { + return value.replaceAll('{{', '{ {').replaceAll('}}', '} }') } function assertPositiveInteger(name: string, value: number, minimum = 1): void { @@ -639,29 +460,6 @@ function assertPositiveInteger(name: string, value: number, minimum = 1): void { } } -function stringField(data: Record, key: string): string | undefined { - const value = data[key] - return typeof value === 'string' && value.length > 0 ? value : undefined -} - -function optionalString(data: Record, key: string): { [K in typeof key]?: string } { - const value = data[key] - return typeof value === 'string' && value.length > 0 ? { [key]: value } : {} -} - -function optionalBoolean(data: Record, key: string): { [K in typeof key]?: boolean } { - const value = data[key] - return typeof value === 'boolean' ? { [key]: value } : {} -} - -function optionalMetadata(data: Record): { metadata?: Record } { - const value = data.metadata - if (typeof value === 'object' && value !== null && !Array.isArray(value)) { - return { metadata: value as Record } - } - return {} -} - function escapeAttr(value: string): string { return value.replaceAll('&', '&').replaceAll('"', '"').replaceAll('<', '<') } @@ -670,8 +468,8 @@ function escapeText(value: string): string { return value.replaceAll('&', '&').replaceAll('<', '<').replaceAll('>', '>') } -function collectCacheKey(roots: { project: SkillRoot[]; shared: SkillRoot[] }, runtimeRevision: number): string { - return JSON.stringify({ runtimeRevision, roots }) +function collectCacheKey(options: SkillLookupOptions, providerRevision: number, runtimeRevision: number): string { + return JSON.stringify({ cwd: options.cwd, providerRevision, runtimeRevision }) } function errorMessage(error: unknown): string { diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/core/skill/tests/skill.spec.ts index fd04406000..e51468674a 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/core/skill/tests/skill.spec.ts @@ -1,748 +1,260 @@ -import { describe, expect, it, vi } from 'vitest' -import { mkdir, readdir, readFile, stat, symlink, writeFile } from 'node:fs/promises' -import { dirname, join } from 'node:path' -import { tmpdir } from 'node:os' +import { describe, expect, it } from 'vitest' import { Context } from 'cordis' -import SkillService from '@deepseek-ai/dsh-skill' -import { FileSystem, FsVersion, type FsDirEntry, type FsEditOutcome, type FsEditRequest, type FsInfo, type FsTarget, type FsWriteOutcome } from '@deepseek-ai/dsh-fs' +import SkillService, { type SkillCandidate, type SkillDefinition, type SkillLookupOptions, type SkillProvider } from '@deepseek-ai/dsh-skill' import SystemPrompt, { renderPrompt } from '@deepseek-ai/dsh-system-prompt' -async function tempDir(name: string): Promise { - return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) -} - -async function writeSkill(root: string, name: string, description: string, body = 'Use the skill.'): Promise { - const dir = join(root, name) - await mkdir(dir, { recursive: true }) - await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) -} - -async function writeFlatSkill(root: string, name: string, description: string, body = 'Flat body.'): Promise { - await mkdir(root, { recursive: true }) - await writeFile(join(root, `${name}.md`), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) -} - function agentForCwd(cwd: string): never { return { session: { header: { cwd } } } as never } -class TestFileSystem extends FileSystem { - listDirCalls = 0 - failResolvePaths = new Set() - failStatPaths = new Set() - statOverrides = new Map() - - override async resolve(path: string): Promise { - if (this.failResolvePaths.has(path)) throw new Error('resolve failed') - return { targetKey: path as never, displayPath: path } - } - - override async stat(target: FsTarget): Promise { - if (this.failStatPaths.has(target.displayPath)) throw new Error('stat failed') - if (this.statOverrides.has(target.displayPath)) return this.statOverrides.get(target.displayPath) - try { - const fs = await import('node:fs/promises') - const info = await fs.stat(target.displayPath) - return { - version: FsVersion(String(info.mtimeMs)), - type: info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other', - size: info.size, - } - } catch { - return undefined - } - } - - override async readText(target: FsTarget): Promise { - const text = await readFile(target.displayPath, 'utf8') - if (text.includes('\uFFFD')) throw new Error('not text') - return text - } - - override async streamText(_target: FsTarget): Promise> { - throw new Error('not needed in skill tests') - } - - override async listDir(target: FsTarget): Promise { - this.listDirCalls += 1 - const entries = await readdir(target.displayPath, { withFileTypes: true, encoding: 'utf8' }) - const result: FsDirEntry[] = [] - for (const entry of entries.sort((left, right) => left.name.localeCompare(right.name))) { - const childPath = join(target.displayPath, entry.name) - let type: FsInfo['type'] = 'other' - let size: number | undefined - try { - const info = await stat(childPath) - type = info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other' - size = info.isFile() ? info.size : undefined - } catch { - type = 'other' - } - result.push({ - name: entry.name, - type, - target: { targetKey: childPath as never, displayPath: childPath }, - version: FsVersion('test'), - ...(size !== undefined ? { size } : {}), - }) - } - return result - } - - override async writeText(target: FsTarget, content: string): Promise { - await mkdir(dirname(target.displayPath), { recursive: true }) - await writeFile(target.displayPath, content) - return { operation: 'create', version: FsVersion('test'), before: null, after: content } - } - - override async editText(_target: FsTarget, _request: FsEditRequest): Promise { - throw new Error('not needed in skill tests') +function memorySkill(name: string, description: string, rank: number, body = `${name} body.`): SkillCandidate { + return { + name, + description, + provider: 'memory', + source: 'memory', + rank, + locator: { content: body }, } } -describe('SkillService', () => { - it('discovers project, user, agents, and system skill roots in priority order', async () => { - const home = await tempDir('skill-home') - const agentsHome = await tempDir('agents-home') - const project = await tempDir('skill-project') - await mkdir(join(project, '.git'), { recursive: true }) +class MemoryProvider implements SkillProvider { + readonly name = 'memory' + listCalls = 0 - await writeSkill(join(home, '.dsh/skills/.system'), 'same', 'system skill') - await writeSkill(join(agentsHome, '.agents/skills'), 'same', 'user agents skill') - await writeSkill(join(home, '.dsh/skills'), 'same', 'user dsh skill') - await writeSkill(join(project, '.agents/skills'), 'same', 'project agents skill') - await writeSkill(join(project, '.dsh/skills'), 'same', 'project dsh skill') - await writeSkill(join(home, '.dsh/skills/.system'), 'system-only', 'system only') + constructor(private candidates: SkillCandidate[]) {} + async list(_options: SkillLookupOptions): Promise { + this.listCalls += 1 + return this.candidates + } + + async get(candidate: SkillCandidate): Promise { + const locator = candidate.locator as { content: string } + return { ...candidate, content: locator.content } + } + + replace(candidates: SkillCandidate[]): void { + this.candidates = candidates + } +} + +describe('SkillService registry', () => { + it('registers providers, resolves duplicates first-wins, and disposes providers', async () => { const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(agentsHome, '.agents'), installSystemSkills: false }) - - const skills = await ctx.skills.list({ cwd: join(project, 'src') }) - expect(skills.map(skill => [skill.name, skill.description])).toEqual([ - ['same', 'project dsh skill'], - ['system-only', 'system only'], + await ctx.plugin(SkillService) + const provider = new MemoryProvider([ + memorySkill('z-skill', 'Z skill', 20), + memorySkill('a-skill', 'A skill', 10), + memorySkill('shadowed', 'Lower priority', 20), ]) - expect(skills.find(skill => skill.name === 'same')?.source).toBe('project-dsh') - }) + const overrideProvider: SkillProvider = { + name: 'override', + async list() { + return [{ + name: 'shadowed', + description: 'Higher priority', + provider: 'override', + source: 'override', + rank: 5, + locator: { content: 'Override body.' }, + }] + }, + async get(candidate) { + return { ...candidate, content: (candidate.locator as { content: string }).content } + }, + } + const disposeMemory = ctx.skills.registerProvider(provider) + ctx.skills.registerProvider(overrideProvider) - it('sorts the final model-visible list by skill name after priority conflict resolution', async () => { - const home = await tempDir('skill-sorted-home') - const agentsHome = await tempDir('skill-sorted-agents') - const project = await tempDir('skill-sorted-project') - await mkdir(join(project, '.git'), { recursive: true }) - - await writeSkill(join(project, '.dsh/skills'), 'z-project', 'Project skill') - await writeSkill(join(home, '.dsh/skills'), 'm-user', 'User skill') - await writeSkill(join(home, '.dsh/skills/.system'), 'a-system', 'System skill') - await writeSkill(join(home, '.dsh/skills/.system'), 'm-user', 'Shadowed system skill') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(agentsHome, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.list({ cwd: project })).map(skill => [skill.name, skill.description])).toEqual([ - ['a-system', 'System skill'], - ['m-user', 'User skill'], - ['z-project', 'Project skill'], + expect((await ctx.skills.list()).map(skill => [skill.name, skill.description, skill.provider])).toEqual([ + ['a-skill', 'A skill', 'memory'], + ['shadowed', 'Higher priority', 'override'], + ['z-skill', 'Z skill', 'memory'], ]) + expect((await ctx.skills.get('shadowed'))?.content).toBe('Override body.') + const sameRankProvider: SkillProvider = { + name: 'same-rank', + async list() { + return [{ + name: 'same-rank-skill', + description: 'Same rank', + provider: 'same-rank', + source: 'same-rank', + rank: 10, + locator: { content: 'Same rank body.' }, + }] + }, + async get(candidate) { + return { ...candidate, content: (candidate.locator as { content: string }).content } + }, + } + ctx.skills.registerProvider(sameRankProvider) + expect((await ctx.skills.list()).find(skill => skill.name === 'same-rank-skill')?.provider).toBe('same-rank') + await expect(ctx.plugin({ + name: 'duplicate-memory', + inject: ['skills'], + apply(pluginCtx: Context) { + pluginCtx.skills.registerProvider(new MemoryProvider([])) + }, + })).rejects.toThrow('already registered') + expect(() => ctx.skills.registerProvider({ + name: 'runtime', + async list() { + return [] + }, + async get() { + return undefined + }, + })).toThrow('reserved') + + disposeMemory() + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['same-rank-skill', 'shadowed']) }) - it('gives project skills priority over runtime skills while runtime overrides user and system skills', async () => { - const home = await tempDir('skill-runtime-priority') - const project = await tempDir('skill-runtime-project') - await mkdir(join(project, '.git'), { recursive: true }) - - await writeSkill(join(project, '.dsh/skills'), 'project-name', 'Project wins') - await writeSkill(join(home, '.dsh/skills'), 'runtime-name', 'User loses') - await writeSkill(join(home, '.dsh/skills/.system'), 'runtime-name', 'System loses') - + it('validates provider candidates and invalid registry caps', async () => { const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - ctx.skills.register({ - name: 'project-name', - description: 'Runtime loses to project', - content: 'Runtime body.', - directory: 'memory://project-name', - source: 'runtime', - }) - ctx.skills.register({ - name: 'runtime-name', - description: 'Runtime wins', - content: 'Runtime body.', - directory: 'memory://runtime-name', - source: 'runtime', + await ctx.plugin(SkillService) + ctx.skills.registerProvider({ + name: 'bad', + async list() { + return [memorySkill('Bad_Name', 'bad', 1)] + }, + async get() { + return undefined + }, }) + await expect(ctx.skills.list()).rejects.toThrow('invalid skill name') - expect((await ctx.skills.get('project-name', { cwd: project }))?.description).toBe('Project wins') - expect((await ctx.skills.get('runtime-name', { cwd: project }))?.description).toBe('Runtime wins') + const invalidCandidates = [ + { ...memorySkill('empty-description', '', 1), provider: 'empty-description' }, + { ...memorySkill('bad-rank', 'Bad rank', Number.NaN), provider: 'bad-rank' }, + { ...memorySkill('wrong-provider', 'Wrong provider', 1), provider: 'different' }, + ] + for (const candidate of invalidCandidates) { + const invalid = new Context() + await invalid.plugin(SkillService) + invalid.skills.registerProvider({ + name: candidate.name, + async list() { + return [candidate] + }, + async get() { + return undefined + }, + }) + await expect(invalid.skills.list()).rejects.toThrow('skill provider') + } + + await expect(new Context().plugin(SkillService, { promptFieldMaxLength: 2 })).rejects.toThrow('greater than or equal to 3') + await expect(new Context().plugin(SkillService, { collectCacheMaxEntries: 1.5 })).rejects.toThrow('collectCacheMaxEntries') }) - it('does not scan .system twice through the user dsh root', async () => { - const home = await tempDir('skill-system') - await writeSkill(join(home, '.dsh/skills/.system'), 'builtin', 'builtin skill') - + it('caches provider discovery, skips failing providers, and invalidates on runtime skills', async () => { const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + await ctx.plugin(SkillService, { collectCacheMaxEntries: 1 }) + const provider = new MemoryProvider([memorySkill('first-skill', 'First', 10)]) + ctx.skills.registerProvider(provider) - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['builtin']) - }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['first-skill']) + provider.replace([memorySkill('second-skill', 'Second', 10)]) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['first-skill']) - it('parses flat skills and filters invalid or model-disabled skills from listing', async () => { - const home = await tempDir('skill-flat') - await writeFlatSkill(join(home, '.dsh/skills'), 'flat-skill', 'flat description', 'Flat instructions.') - await writeFile(join(home, '.dsh/skills/bad.md'), '---\nname: Bad_Name\ndescription: bad\n---\n\nbad') - await writeFile(join(home, '.dsh/skills/missing-description.md'), '---\nname: missing-description\n---\n\nbad') - await writeFile(join(home, '.dsh/skills/no-frontmatter.md'), 'No frontmatter.') - await writeFile(join(home, '.dsh/skills/plain-markdown.md'), '# Notes\nNot a skill.') - await writeFile(join(home, '.dsh/skills/open-frontmatter.md'), '---\nname: open-frontmatter') - await writeFile(join(home, '.dsh/skills/non-object.md'), '---\n[]\n---\n\nbad') - await writeFile(join(home, '.dsh/skills/no-trailing-body.md'), '---\nname: no-trailing-body\ndescription: No trailing body\n---') - await writeFile(join(home, '.dsh/skills/notes.txt'), 'ignored') - await mkdir(join(home, '.dsh/skills/not-a-skill'), { recursive: true }) - await writeSkill(join(home, '.dsh/skills'), 'hidden-skill', 'hidden description', 'Hidden.') - await writeFile(join(home, '.dsh/skills/hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: hidden description\ndisableModelInvocation: true\n---\n\nHidden.\n') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['flat-skill', 'no-trailing-body']) - expect((await ctx.skills.get('hidden-skill'))?.content).toContain('Hidden.') - expect(await ctx.skills.get('Bad_Name')).toBeUndefined() - }) - - it('supports CRLF frontmatter and ignores delimiter-looking text inside YAML values', async () => { - const home = await tempDir('skill-frontmatter-crlf') - const root = join(home, '.dsh/skills') - await mkdir(root, { recursive: true }) - await writeFile(join(root, 'crlf-skill.md'), [ - '---', - 'name: crlf-skill', - 'description: CRLF skill', - 'metadata:', - ' marker: "----"', - '---', - '', - 'CRLF body.', - ].join('\r\n')) - await writeFile(join(root, 'block-skill.md'), [ - '---', - 'name: block-skill', - 'description: |', - ' Includes a ---- marker that is not a delimiter.', - '---', - '', - 'Block body.', - ].join('\n')) - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.get('crlf-skill'))?.content).toBe('CRLF body.') - expect((await ctx.skills.get('crlf-skill'))?.metadata).toEqual({ marker: '----' }) - expect((await ctx.skills.get('block-skill'))?.description).toBe('Includes a ---- marker that is not a delimiter.\n') - expect((await ctx.skills.get('block-skill'))?.content).toBe('Block body.') - }) - - it('skips invalid YAML skill files without poisoning discovery cache', async () => { - const home = await tempDir('skill-invalid-yaml') - const root = join(home, '.dsh/skills') - await writeSkill(root, 'good-skill', 'Good skill') - await writeFile(join(root, 'bad-yaml.md'), '---\nname: bad-yaml\ndescription: [unclosed\n---\n\nBad body.\n') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['good-skill']) - await writeFile(join(root, 'bad-yaml.md'), '---\nname: fixed-skill\ndescription: Fixed skill\n---\n\nFixed body.\n') - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['good-skill']) - const dispose = ctx.skills.register({ + const disposeRuntime = ctx.skills.register({ name: 'runtime-skill', - description: 'Runtime skill', - content: 'Runtime body.', - directory: 'memory://runtime', + description: 'Runtime', source: 'runtime', + resourceBase: { kind: 'opaque', description: 'runtime memory' }, + path: 'memory://runtime-skill', + metadata: { owner: 'tests' }, + content: 'Runtime body.', }) - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['fixed-skill', 'good-skill', 'runtime-skill']) - dispose() - }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['runtime-skill', 'second-skill']) + expect(await ctx.skills.get('runtime-skill')).toMatchObject({ + content: 'Runtime body.', + path: 'memory://runtime-skill', + metadata: { owner: 'tests' }, + }) + disposeRuntime() + await ctx.skills.list({ cwd: '/tmp/first-cache-key' }) + await ctx.skills.list({ cwd: '/tmp/second-cache-key' }) - it('does not cache a rejected discovery promise', async () => { - const home = await tempDir('skill-rejected-cache') - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - const internals = ctx.skills as unknown as { - collectFresh(roots: unknown): Promise - } - const original = internals.collectFresh.bind(ctx.skills) let fail = true - internals.collectFresh = async (roots: unknown) => { - if (fail) throw new Error('transient discovery failure') - return await original(roots) - } - - await expect(ctx.skills.list()).rejects.toThrow('transient discovery failure') - fail = false - await writeSkill(join(home, '.dsh/skills'), 'late-good', 'Late good') - await expect(ctx.skills.list()).resolves.toMatchObject([{ name: 'late-good' }]) - }) - - it('discovers symlinked skill directories and flat files', async () => { - const home = await tempDir('skill-symlink-home') - const external = await tempDir('skill-symlink-external') - await writeSkill(external, 'linked-dir', 'Linked directory') - await writeFlatSkill(external, 'linked-flat', 'Linked flat') - await mkdir(join(home, '.dsh/skills'), { recursive: true }) - await symlink(join(external, 'linked-dir'), join(home, '.dsh/skills/linked-dir')) - await symlink(join(external, 'linked-flat.md'), join(home, '.dsh/skills/linked-flat.md')) - await symlink(join(external, 'missing'), join(home, '.dsh/skills/broken-link')) - await symlink('/dev/null', join(home, '.dsh/skills/device-link')) - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['linked-dir', 'linked-flat']) - }) - - it('honors prompt and cache bounds from config', async () => { - const home = await tempDir('skill-config-bounds') - const firstProject = await tempDir('skill-config-first') - const secondProject = await tempDir('skill-config-second') - await mkdir(join(firstProject, '.git'), { recursive: true }) - await mkdir(join(secondProject, '.git'), { recursive: true }) - await writeSkill(join(firstProject, '.dsh/skills'), 'first-skill', 'abcdefghij') - await writeSkill(join(secondProject, '.dsh/skills'), 'second-skill', 'Second') - - const ctx = new Context() - await ctx.plugin(SkillService, { - dshHome: join(home, '.dsh'), - agentsHome: join(home, '.agents'), - installSystemSkills: false, - promptFieldMaxLength: 6, - collectCacheMaxEntries: 1, + let flakyCalls = 0 + ctx.skills.registerProvider({ + name: 'flaky', + async list() { + flakyCalls += 1 + if (fail) throw new Error('transient discovery failure') + return [{ ...memorySkill('flaky-skill', 'Flaky', 10), provider: 'flaky' }] + }, + async get() { + return undefined + }, }) - - expect(await ctx.skills.renderModelListing({ cwd: firstProject })).toContain('description: abc...') - expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['first-skill']) - await writeSkill(join(firstProject, '.dsh/skills'), 'late-first', 'Late first') - expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['first-skill']) - await ctx.skills.list({ cwd: secondProject }) - expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['first-skill', 'late-first']) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['second-skill']) + expect(flakyCalls).toBe(1) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['second-skill']) + expect(flakyCalls).toBe(2) + fail = false + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['flaky-skill', 'second-skill']) + expect(flakyCalls).toBe(3) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['flaky-skill', 'second-skill']) + expect(flakyCalls).toBe(3) }) - it('rejects invalid positive-integer config caps', async () => { - const home = await tempDir('skill-invalid-config') - const ctx = new Context() - await expect(ctx.plugin(SkillService, { - dshHome: join(home, '.dsh'), - agentsHome: join(home, '.agents'), - installSystemSkills: false, - promptFieldMaxLength: 0, - })).rejects.toThrow('promptFieldMaxLength') - await expect(ctx.plugin(SkillService, { - dshHome: join(home, '.dsh'), - agentsHome: join(home, '.agents'), - installSystemSkills: false, - promptFieldMaxLength: 2, - })).rejects.toThrow('greater than or equal to 3') - await expect(ctx.plugin(SkillService, { - dshHome: join(home, '.dsh'), - agentsHome: join(home, '.agents'), - installSystemSkills: false, - collectCacheMaxEntries: 1.5, - })).rejects.toThrow('collectCacheMaxEntries') - }) - - it('renders no model listing when no model-invocable skills exist', async () => { - const home = await tempDir('skill-empty-listing') + it('renders stable prompt guidance and omits it when no skills exist', async () => { const ctx = new Context() await ctx.plugin(SystemPrompt, { persona: 'base' }) - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect(await ctx.skills.renderModelListing()).toBe('') - expect(renderPrompt(await ctx.systemPrompt.assemble({ agent: agentForCwd(home) }))).not.toContain('## Skills') - expect(renderPrompt(await ctx.systemPrompt.assemble())).not.toContain('## Skills') - }) - - it('supports default home root resolution without installing system skills', async () => { - const previousDshHome = process.env.DSH_HOME - const envHome = await tempDir('skill-env-home') - try { - process.env.DSH_HOME = join(envHome, '.dsh') - await new Context().plugin(SkillService, { installSystemSkills: false }) - - delete process.env.DSH_HOME - await new Context().plugin(SkillService, { installSystemSkills: false }) - } finally { - if (previousDshHome === undefined) { - delete process.env.DSH_HOME - } else { - process.env.DSH_HOME = previousDshHome - } - } - }) - - it('keeps constructor defaults when schema preprocessing is not involved', async () => { - const home = await tempDir('skill-constructor-defaults') - const service = new SkillService(new Context(), { - dshHome: join(home, '.dsh'), - agentsHome: join(home, '.agents'), - }) - - expect((await service.list()).map(skill => skill.name)).toEqual(['dsh-plugin-creator', 'dsh-skill-creator']) - }) - - it('installs system skills into the DSH home without overwriting existing files', async () => { - const home = await tempDir('skill-install') - const existing = join(home, '.dsh/skills/.system/dsh-plugin-creator/SKILL.md') - await mkdir(join(home, '.dsh/skills/.system/dsh-plugin-creator'), { recursive: true }) - await writeFile(existing, '---\nname: dsh-plugin-creator\ndescription: Custom system skill\n---\n\nCustom body.\n') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) - - expect((await ctx.skills.list()).map(skill => [skill.name, skill.description])).toEqual([ - ['dsh-plugin-creator', 'Custom system skill'], - ['dsh-skill-creator', 'Create or update DeepSeek Harness SKILL.md instructions.'], - ]) - expect(await readFile(existing, 'utf8')).toContain('Custom body.') - expect(await readFile(join(home, '.dsh/skills/.system/dsh-skill-creator/SKILL.md'), 'utf8')).toContain('dsh-skill-creator') - }) - - it('uses the filesystem service when installing bundled system skills', async () => { - const home = await tempDir('skill-install-fs') - const existing = join(home, '.dsh/skills/.system/dsh-plugin-creator/SKILL.md') - await mkdir(join(home, '.dsh/skills/.system/dsh-plugin-creator'), { recursive: true }) - await writeFile(existing, '---\nname: dsh-plugin-creator\ndescription: Existing system skill\n---\n\nExisting body.\n') - - const ctx = new Context() - await ctx.plugin(TestFileSystem) - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) - - expect((await ctx.skills.list()).map(skill => [skill.name, skill.description])).toEqual([ - ['dsh-plugin-creator', 'Existing system skill'], - ['dsh-skill-creator', 'Create or update DeepSeek Harness SKILL.md instructions.'], - ]) - expect(await readFile(existing, 'utf8')).toContain('Existing body.') - expect(await readFile(join(home, '.dsh/skills/.system/dsh-skill-creator/SKILL.md'), 'utf8')).toContain('dsh-skill-creator') - }) - - it('renders bundled system skill files with and without routing metadata', async () => { - const home = await tempDir('skill-install-render') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) - await ctx.skills.list() - - expect(await readFile(join(home, '.dsh/skills/.system/dsh-plugin-creator/SKILL.md'), 'utf8')).not.toContain('whenToUse:') - expect(await readFile(join(home, '.dsh/skills/.system/dsh-skill-creator/SKILL.md'), 'utf8')).toContain('whenToUse:') - }) - - it('uses the filesystem service for skill file reads when it is available', async () => { - const home = await tempDir('skill-read-fs') - const root = join(home, '.dsh/skills') - await writeFlatSkill(root, 'text-skill', 'Text skill', 'Text body.') - await writeFlatSkill(root, 'resolve-fail', 'Resolve fail', 'Resolve body.') - await writeFlatSkill(root, 'stat-fail', 'Stat fail', 'Stat body.') - await mkdir(join(root, 'empty-dir'), { recursive: true }) - await mkdir(join(root, 'directory-skill/SKILL.md'), { recursive: true }) - await writeFile(join(root, 'binary-skill.md'), Buffer.concat([ - Buffer.from('---\nname: binary-skill\ndescription: Binary skill\n---\n\n'), - Buffer.from([0xff]), - Buffer.from('\n'), + await ctx.plugin(SkillService, { promptFieldMaxLength: 6 }) + ctx.skills.registerProvider(new MemoryProvider([ + { + ...memorySkill('escaped-skill', 'Use safely', 10), + whenToUse: 'Handle & marker', + }, ])) - const ctx = new Context() - await ctx.plugin(TestFileSystem) - const fs = ctx.fs as TestFileSystem - fs.failResolvePaths.add(join(root, 'resolve-fail.md')) - fs.failStatPaths.add(join(root, 'stat-fail.md')) - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['text-skill']) - expect(fs.listDirCalls).toBeGreaterThan(0) - expect(await ctx.skills.get('binary-skill')).toBeUndefined() - }) - - it('uses the filesystem service when locating a workspace project root', async () => { - const home = await tempDir('skill-project-root-fs') - const project = await tempDir('skill-project-root-backend') - const nestedCwd = join(project, 'packages/app') - await mkdir(nestedCwd, { recursive: true }) - await writeSkill(join(project, '.agents/skills'), 'backend-root', 'Backend root skill') - - const ctx = new Context() - await ctx.plugin(TestFileSystem) - const fs = ctx.fs as TestFileSystem - fs.failResolvePaths.add(join(nestedCwd, '.git')) - fs.failStatPaths.add(join(project, 'packages/.git')) - fs.statOverrides.set(join(project, '.git'), { - version: FsVersion('virtual-git'), - type: 'directory', - size: 0, - }) - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.list({ cwd: nestedCwd })).map(skill => [skill.name, skill.source])).toEqual([ - ['backend-root', 'project-agents'], - ]) - }) - - it('degrades when bundled system skill installation fails', async () => { - const home = await tempDir('skill-install-fail') - await writeFile(join(home, '.dsh'), 'not a directory') - await writeSkill(join(home, '.agents/skills'), 'fallback-skill', 'Fallback skill') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['fallback-skill']) - }) - - it('memoizes disk discovery until runtime skill registrations change', async () => { - const home = await tempDir('skill-cache') - await writeSkill(join(home, '.dsh/skills'), 'initial-skill', 'Initial skill') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill']) - await writeSkill(join(home, '.dsh/skills'), 'late-skill', 'Late skill') - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill']) - - const dispose = ctx.skills.register({ - name: 'runtime-skill', - description: 'runtime', - content: 'Runtime body.', - directory: 'memory://runtime', - source: 'runtime', - }) - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill', 'late-skill', 'runtime-skill']) - - dispose() - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['initial-skill', 'late-skill']) - }) - - it('includes extra roots, optional metadata, and explicit false disable flags', async () => { - const home = await tempDir('skill-extra') - const extra = await tempDir('skill-extra-root') - await writeFile(join(extra, 'extra-skill.md'), [ - '---', - 'name: extra-skill', - 'description: Extra skill', - 'whenToUse: For extra-root tests', - 'disableModelInvocation: false', - 'metadata:', - ' owner: tests', - '---', - '', - 'Extra body.', - ].join('\n')) - - const ctx = new Context() - await ctx.plugin(SkillService, { - dshHome: join(home, '.dsh'), - agentsHome: join(home, '.agents'), - extraRoots: [extra], - installSystemSkills: false, - }) - - expect(await ctx.skills.list()).toEqual([{ - name: 'extra-skill', - description: 'Extra skill', - whenToUse: 'For extra-root tests', - disableModelInvocation: false, - directory: extra, - source: 'extra', - }]) - expect((await ctx.skills.get('extra-skill'))?.metadata).toEqual({ owner: 'tests' }) - expect(await ctx.skills.renderModelListing()).toContain('whenToUse: For extra-root tests') - }) - - it('bounds prompt listing fields without changing stored skill content', async () => { - const home = await tempDir('skill-prompt-bounds') - const longDescription = 'a'.repeat(600) - await writeSkill(join(home, '.dsh/skills'), 'long-skill', longDescription, 'Full body.') - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - const listing = await ctx.skills.renderModelListing() - expect(listing).toContain(`${'a'.repeat(497)}...`) - expect(listing).not.toContain('a'.repeat(600)) - expect((await ctx.skills.get('long-skill'))?.description).toBe(longDescription) + expect(listing).toContain('description: Use...') + expect(listing).toContain('whenToUse: Han...') + expect(listing).not.toContain('') + expect(renderPrompt(await ctx.systemPrompt.assemble({ agent: agentForCwd('/tmp') }))).toContain('## Skills') + expect(renderPrompt(await ctx.systemPrompt.assemble())).not.toContain('## Skills') + + const empty = new Context() + await empty.plugin(SystemPrompt, { persona: 'base' }) + await empty.plugin(SkillService) + expect(await empty.skills.renderModelListing()).toBe('') + expect(renderPrompt(await empty.systemPrompt.assemble({ agent: agentForCwd('/tmp') }))).not.toContain('## Skills') + + const direct = new SkillService(new Context(), {}) + expect(await direct.renderModelListing()).toBe('') + const short = new Context() + await short.plugin(SkillService) + short.skills.registerProvider(new MemoryProvider([memorySkill('short-skill', 'Short', 10)])) + expect(await short.skills.renderModelListing()).toContain('description: Short') + + const templated = new Context() + await templated.plugin(SystemPrompt, { persona: 'base' }) + await templated.plugin(SkillService) + templated.skills.registerProvider(new MemoryProvider([memorySkill('templated-skill', 'Use {{placeholder}} safely', 10)])) + const prompt = renderPrompt(await templated.systemPrompt.assemble({ agent: agentForCwd('/tmp') })) + expect(prompt).toContain('description: Use { {placeholder} } safely') }) - it('escapes prompt listing text fields without changing stored skill content', async () => { - const home = await tempDir('skill-prompt-escape') - const root = join(home, '.dsh/skills') - await mkdir(root, { recursive: true }) - await writeFile(join(root, 'escaped-skill.md'), [ - '---', - 'name: escaped-skill', - 'description: Use safely', - 'whenToUse: Handle & marker', - '---', - 'Full body.', - ].join('\n')) - + it('rejects invalid runtime skill registrations and ignores duplicates', async () => { const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + await ctx.plugin(SkillService) + expect(() => ctx.skills.register({ name: 'Bad_Name', description: 'Bad', source: 'runtime', content: 'bad' })).toThrow('invalid skill name') + expect(() => ctx.skills.register({ name: 'no-description', description: '', source: 'runtime', content: 'bad' })).toThrow('requires a description') + expect(await ctx.skills.get('missing-skill')).toBeUndefined() + expect(await ctx.skills.get('Bad_Name')).toBeUndefined() - const listing = await ctx.skills.renderModelListing() - expect(listing).toContain('description: Use </available_skills><oops> safely') - expect(listing).toContain('whenToUse: Handle <tag> & marker') - expect(listing).not.toContain('description: Use safely') - expect((await ctx.skills.get('escaped-skill'))?.description).toBe('Use safely') - }) - - it('adds skill guidance through system prompt assembly without including bodies', async () => { - const home = await tempDir('skill-guidance') - await writeSkill(join(home, '.dsh/skills'), 'research-helper', 'Research helper', 'Long body that must not be listed.') - - const ctx = new Context() - await ctx.plugin(SystemPrompt, { persona: 'base' }) - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - const prompt = renderPrompt(await ctx.systemPrompt.assemble({ agent: agentForCwd(home) })) - - expect(prompt).toContain('base') - expect(prompt).toContain('## Skills\n') - expect(prompt).toContain('research-helper') - expect(prompt).toContain('source="project-dsh"') - expect(prompt).not.toContain(home) - expect(prompt).not.toContain('Long body') - expect(prompt.match(/## Skills/g)).toHaveLength(1) - - const copyCtx = new Context() - await copyCtx.plugin(SystemPrompt, { persona: 'base' }) - await copyCtx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - copyCtx.on('system-prompt/assemble', async (_assembly, _context, next) => { - const result = await next() - return { ...result, sections: [...result.sections] } - }) - const copiedPrompt = renderPrompt(await copyCtx.systemPrompt.assemble({ agent: agentForCwd(home) })) - expect(copiedPrompt.match(/## Skills/g)).toHaveLength(1) - }) - - it('cleans up runtime registered skills when the contributing fiber is disposed', async () => { - const ctx = new Context() - const home = await tempDir('skill-runtime') - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - const fiber = await ctx.plugin(Object.assign((inner: Context) => { - inner.skills.register({ - name: 'runtime-skill', - description: 'runtime', - content: 'Runtime body.', - directory: 'memory://runtime', - source: 'runtime', - }) - }, { inject: ['skills'] })) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['runtime-skill']) - await fiber.dispose() - expect(await ctx.skills.list()).toEqual([]) - }) - - it('bounds discovery cache entries across many project roots', async () => { - const home = await tempDir('skill-cache-bound-home') - const projects = await Promise.all(Array.from({ length: 129 }, async (_, index) => { - const project = await tempDir(`skill-cache-bound-project-${index}`) - await mkdir(join(project, '.git'), { recursive: true }) - await writeSkill(join(project, '.dsh/skills'), `project-${index}`, `Project ${index}`) - return project - })) - - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - const firstProject = projects[0] - if (firstProject === undefined) throw new Error('expected at least one project') - expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['project-0']) - await writeSkill(join(firstProject, '.dsh/skills'), 'late-project-0', 'Late project 0') - expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['project-0']) - - for (const project of projects.slice(1)) { - await ctx.skills.list({ cwd: project }) - } - - expect((await ctx.skills.list({ cwd: firstProject })).map(skill => skill.name)).toEqual(['late-project-0', 'project-0']) - }) - - it('removes runtime registered skills when the returned disposer is called', async () => { - const home = await tempDir('skill-runtime-disposer') - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - const dispose = ctx.skills.register({ - name: 'manual-dispose', - description: 'manual', - content: 'Manual body.', - directory: 'memory://manual', - source: 'runtime', - }) - - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['manual-dispose']) - dispose() - expect(await ctx.skills.list()).toEqual([]) - }) - - it('keeps the first runtime skill when a duplicate name is registered', async () => { - const home = await tempDir('skill-runtime-duplicate') - const ctx = new Context() - const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => undefined) - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - const firstDispose = ctx.skills.register({ - name: 'same-runtime', - description: 'first', - content: 'First body.', - directory: 'memory://first', - source: 'runtime', - }) - const duplicateDispose = ctx.skills.register({ - name: 'same-runtime', - description: 'second', - content: 'Second body.', - directory: 'memory://second', - source: 'runtime', - }) - - await expect(ctx.skills.get('same-runtime')).resolves.toMatchObject({ - description: 'first', - content: 'First body.', - directory: 'memory://first', - }) - expect(warn).toHaveBeenCalledWith(expect.stringContaining('runtime skill "same-runtime"')) - - duplicateDispose() - await expect(ctx.skills.get('same-runtime')).resolves.toMatchObject({ - description: 'first', - content: 'First body.', - }) - - firstDispose() - await expect(ctx.skills.get('same-runtime')).resolves.toBeUndefined() - }) - - it('rejects invalid runtime skill registrations', async () => { - const home = await tempDir('skill-runtime-invalid') - const ctx = new Context() - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) - - expect(() => ctx.skills.register({ - name: 'Bad_Name', - description: 'bad', - content: 'bad', - directory: 'memory://bad', - source: 'runtime', - })).toThrow('invalid skill name') - expect(() => ctx.skills.register({ - name: 'empty-description', - description: '', - content: 'bad', - directory: 'memory://bad', - source: 'runtime', - })).toThrow('requires a description') + const disposeFirst = ctx.skills.register({ name: 'same-skill', description: 'First', source: 'runtime', content: 'first' }) + const disposeSecond = ctx.skills.register({ name: 'same-skill', description: 'Second', source: 'runtime', content: 'second' }) + disposeSecond() + expect((await ctx.skills.get('same-skill'))?.description).toBe('First') + disposeFirst() + expect(await ctx.skills.get('same-skill')).toBeUndefined() }) }) diff --git a/packages/core/skill/tsconfig.json b/packages/core/skill/tsconfig.json index db80ec56ed..df8e8f2f9c 100644 --- a/packages/core/skill/tsconfig.json +++ b/packages/core/skill/tsconfig.json @@ -9,8 +9,7 @@ { "path": "../../../vendor/cosmokit" }, { "path": "../../../vendor/cordis" }, { "path": "../../../vendor/schemastery" }, - { "path": "../../fs/fs" }, - { "path": "../../llm/llm" }, - { "path": "../agent" } + { "path": "../agent" }, + { "path": "../system-prompt" } ] } diff --git a/packages/core/tool-skill/README.md b/packages/core/tool-skill/README.md index 21f296ba66..07e3c5beee 100644 --- a/packages/core/tool-skill/README.md +++ b/packages/core/tool-skill/README.md @@ -10,6 +10,6 @@ Requires `ctx.tools` and `ctx.skills` (`inject: ['tools', 'skills']`). |---|---|---| | `name` | string (required) | Exact kebab-case skill name from the available skills listing. | -Execution uses the calling agent's `session.header.cwd` to resolve project-local skills. A successful call returns a text block containing ``, the skill body, the skill base directory, and relative-path guidance. Unknown names, invalid names, and skills marked `disableModelInvocation: true` return `isError` tool results through the normal tool registry error path. +Execution uses the calling agent's `session.header.cwd` so workspace-sensitive providers can resolve the right winning skill. A successful call returns a text block containing ``, the skill body, and provider resource guidance. Local filesystem skills include a base directory for resolving relative files; remote or embedded providers can return URL or opaque provider-managed guidance instead. Unknown names, invalid names, and skills marked `disableModelInvocation: true` return `isError` tool results through the normal tool registry error path. The tool does not call `agent.inject()` in v1. Its result is already recorded as the tool result and becomes available to the next model step without duplicating the content as synthetic context. diff --git a/packages/core/tool-skill/package.json b/packages/core/tool-skill/package.json index 508323d729..91d49479b2 100644 --- a/packages/core/tool-skill/package.json +++ b/packages/core/tool-skill/package.json @@ -32,6 +32,7 @@ "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-skill": "workspace:^", + "@deepseek-ai/dsh-skill-local": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "cordis": "^4.0.0-rc.6" } diff --git a/packages/core/tool-skill/src/index.ts b/packages/core/tool-skill/src/index.ts index 9cde207edf..d234e2742b 100644 --- a/packages/core/tool-skill/src/index.ts +++ b/packages/core/tool-skill/src/index.ts @@ -6,6 +6,7 @@ import type { Context } from 'cordis' import { defineTool } from '@deepseek-ai/dsh-tools' +import { assertNever } from '@deepseek-ai/dsh-llm' import { isSkillName, type SkillDefinition } from '@deepseek-ai/dsh-skill' export const name = 'tool-skill' @@ -39,14 +40,34 @@ export function apply(ctx: Context): void { } function renderSkillContent(skill: SkillDefinition): string { + const resourceHint = renderResourceHint(skill) return [ ``, `# Skill: ${skill.name}`, '', skill.content, '', - `Base directory for this skill: ${skill.directory}`, - 'Resolve relative files mentioned by this skill against the base directory before using them.', + ...resourceHint, '', ].join('\n') } + +function renderResourceHint(skill: SkillDefinition): string[] { + const base = skill.resourceBase + if (base === undefined) { + return [`Resources for this skill are managed by provider "${skill.provider}".`] + } + switch (base.kind) { + case 'directory': + return [ + `Base directory for this skill: ${base.path}`, + 'Resolve relative files mentioned by this skill against the base directory before using them.', + ] + case 'url': + return [`Base URL for this skill: ${base.url}`] + case 'opaque': + return [`Resources for this skill: ${base.description}`] + default: + return assertNever(base, 'SkillResourceBase.kind') + } +} diff --git a/packages/core/tool-skill/tests/tool-skill.spec.ts b/packages/core/tool-skill/tests/tool-skill.spec.ts index 05317262ce..fe87f01462 100644 --- a/packages/core/tool-skill/tests/tool-skill.spec.ts +++ b/packages/core/tool-skill/tests/tool-skill.spec.ts @@ -7,6 +7,7 @@ import { CallId } from '@deepseek-ai/dsh-llm' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' import SkillService from '@deepseek-ai/dsh-skill' +import * as SkillLocal from '@deepseek-ai/dsh-skill-local' import * as toolSkill from '@deepseek-ai/dsh-tool-skill' async function tempDir(name: string): Promise { @@ -23,7 +24,8 @@ async function setup(home: string): Promise { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) await ctx.plugin(toolSkill) return ctx } @@ -34,7 +36,8 @@ describe('dsh-tool-skill', () => { await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) const home = await tempDir('tool-schema') - await ctx.plugin(SkillService, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false }) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) const fiber = await ctx.plugin(toolSkill) expect(ctx.tools.schemas().map(tool => tool.name)).toEqual(['skill']) @@ -70,6 +73,65 @@ describe('dsh-tool-skill', () => { expect(block.text).toContain('Project instructions.') }) + it('renders provider-managed resource hints for non-local skills', async () => { + const home = await tempDir('tool-resource-hints') + const ctx = await setup(home) + ctx.skills.register({ + name: 'opaque-skill', + description: 'Opaque skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'opaque', description: 'runtime memory' }, + content: 'Opaque instructions.', + }) + ctx.skills.register({ + name: 'url-skill', + description: 'URL skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'url', url: 'https://skills.example.test/url-skill' }, + content: 'URL instructions.', + }) + ctx.skills.register({ + name: 'provider-skill', + description: 'Provider skill', + source: 'runtime', + provider: 'runtime', + content: 'Provider instructions.', + }) + + const opaque = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'opaque-skill' } }) + const url = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'url-skill' } }) + const provider = await ctx.tools.execute({ callId: CallId('c4'), name: 'skill', arguments: { name: 'provider-skill' } }) + + if (opaque.content[0]?.type !== 'text' || url.content[0]?.type !== 'text' || provider.content[0]?.type !== 'text') { + throw new Error('expected text tool results') + } + expect(opaque.content[0].text).toContain('Resources for this skill: runtime memory') + expect(url.content[0].text).toContain('Base URL for this skill: https://skills.example.test/url-skill') + expect(provider.content[0].text).toContain('Resources for this skill are managed by provider "runtime"') + }) + + it('fails loud on an unknown resource base kind', async () => { + const home = await tempDir('tool-resource-assert-never') + const ctx = await setup(home) + ctx.skills.register({ + name: 'rogue-resource-skill', + description: 'Rogue resource skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'future' } as never, + content: 'Rogue instructions.', + }) + + const result = await ctx.tools.execute({ callId: CallId('c5'), name: 'skill', arguments: { name: 'rogue-resource-skill' } }) + + expect(result.isError).toBe(true) + const block = result.content[0] + if (block?.type !== 'text') throw new Error('expected text tool result') + expect(block.text).toContain('unreachable variant') + }) + it('returns isError for unknown, invalid, and model-disabled skills', async () => { const home = await tempDir('tool-errors') await writeSkill(join(home, '.dsh/skills'), 'hidden-skill', 'Hidden skill', 'Hidden instructions.') diff --git a/packages/ui/acp-agent/README.md b/packages/ui/acp-agent/README.md index 4a114619a6..25bc94cd32 100644 --- a/packages/ui/acp-agent/README.md +++ b/packages/ui/acp-agent/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-acp-agent -The **ACP server app**: a Cordis app plugin that composes the providerless agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster an [Agent Client Protocol](../acp/README.md) server needs, and a `bin` that boots a leaf `cordis.yml` speaking ACP JSON-RPC on stdio. +The **ACP server app**: a Cordis app plugin that composes the default agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster an [Agent Client Protocol](../acp/README.md) server needs, and a `bin` that boots a leaf `cordis.yml` speaking ACP JSON-RPC on stdio. It is the structured counterpart to [`@deepseek-ai/dsh-stdio-agent`](../stdio-agent/README.md): both consume the same spine, but this one bakes in the OPPOSITE front-door cluster. diff --git a/packages/ui/acp-agent/src/index.ts b/packages/ui/acp-agent/src/index.ts index 1f854a095c..a6be7f9de6 100644 --- a/packages/ui/acp-agent/src/index.ts +++ b/packages/ui/acp-agent/src/index.ts @@ -1,5 +1,5 @@ /** - * The ACP server app: the providerless agent spine ({@link + * The ACP server app: the default agent spine ({@link * @deepseek-ai/dsh-agent-core}) plus the coupled front-door cluster an ACP * server needs — JSONL session persistence and the {@link @deepseek-ai/dsh-acp} * bridge, and DELIBERATELY NOTHING that writes to stdout. @@ -52,7 +52,7 @@ export interface Config { persona?: string /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string - /** Skill discovery config forwarded to the shared agent-core spine. */ + /** Skill registry/local-provider config forwarded to the shared agent-core spine. */ skills?: agentCore.SkillConfig } diff --git a/packages/ui/acp-agent/tests/acp-agent.spec.ts b/packages/ui/acp-agent/tests/acp-agent.spec.ts index 1e63782aaa..33d837d030 100644 --- a/packages/ui/acp-agent/tests/acp-agent.spec.ts +++ b/packages/ui/acp-agent/tests/acp-agent.spec.ts @@ -27,7 +27,7 @@ async function mount(config: acpAgent.Config): Promise { async function isolatedSkillsConfig(): Promise> { const home = await mkdtemp(join(tmpdir(), 'dsh-acp-agent-skills-')) - return { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false } + return { local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') } } } async function withIsolatedSkillHomes(run: () => Promise): Promise { @@ -83,10 +83,7 @@ describe('dsh-acp-agent composition', () => { acpAgent.apply(ctx, { model: 'mock' }) await new Promise(resolve => setTimeout(resolve, 50)) expect(ctx.skills).toBeDefined() - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ - 'dsh-plugin-creator', - 'dsh-skill-creator', - ])) + expect(await ctx.skills.list()).toEqual([]) await ctx.fiber.dispose() }) }) diff --git a/packages/ui/stdio-agent/README.md b/packages/ui/stdio-agent/README.md index 1c8dc522c6..aa1158dc4a 100644 --- a/packages/ui/stdio-agent/README.md +++ b/packages/ui/stdio-agent/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-stdio-agent -The **terminal stdio chat app**: a Cordis app plugin that composes the providerless agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster a terminal chat needs, and a `bin` that boots a leaf `cordis.yml`. +The **terminal stdio chat app**: a Cordis app plugin that composes the default agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster a terminal chat needs, and a `bin` that boots a leaf `cordis.yml`. It is the readline counterpart to [`@deepseek-ai/dsh-acp-agent`](../acp-agent/README.md): both consume the same spine, but each bakes in the OPPOSITE front-door cluster. diff --git a/packages/ui/stdio-agent/src/index.ts b/packages/ui/stdio-agent/src/index.ts index f74c5b6c25..de5fbb55d5 100644 --- a/packages/ui/stdio-agent/src/index.ts +++ b/packages/ui/stdio-agent/src/index.ts @@ -1,5 +1,5 @@ /** - * The stdio chat app: the providerless agent spine ({@link + * The stdio chat app: the default agent spine ({@link * @deepseek-ai/dsh-agent-core}) plus the coupled front-door cluster a terminal * chat needs — a console logger, the readline UI (the in-package `stdio-chat` * module), JSONL session @@ -67,7 +67,7 @@ export interface Config { persistenceRoot?: string /** stdin-chat banner printed once on start. Defaults to `'ready.'`. */ welcome?: string - /** Skill discovery config forwarded to the shared agent-core spine. */ + /** Skill registry/local-provider config forwarded to the shared agent-core spine. */ skills?: agentCore.SkillConfig /** * If set, the `main` agent RESUMES this persisted session id instead of diff --git a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts index 269bff0693..2b8eea8316 100644 --- a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts +++ b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts @@ -34,7 +34,7 @@ async function mount(config: stdioAgent.Config): Promise { async function isolatedSkillsConfig(): Promise> { const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-agent-skills-')) - return { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents'), installSystemSkills: false } + return { local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') } } } async function withIsolatedSkillHomes(run: () => Promise): Promise { @@ -93,10 +93,7 @@ describe('dsh-stdio-agent app', () => { stdioAgent.apply(ctx, { model: 'mock' }) await new Promise(resolve => setTimeout(resolve, 80)) expect(ctx.skills).toBeDefined() - expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(expect.arrayContaining([ - 'dsh-plugin-creator', - 'dsh-skill-creator', - ])) + expect(await ctx.skills.list()).toEqual([]) await ctx.fiber.dispose() }) }) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index bdc3dacdda..cc720d60c2 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -214,6 +214,9 @@ importers: '@deepseek-ai/dsh-skill': specifier: workspace:^ version: link:../skill + '@deepseek-ai/dsh-skill-local': + specifier: workspace:^ + version: link:../skill-local '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../system-prompt @@ -281,19 +284,10 @@ importers: schemastery: specifier: ^3.18.0 version: 3.18.0 - yaml: - specifier: ^2.4.2 - version: 2.9.0 devDependencies: '@deepseek-ai/dsh-agent': specifier: workspace:^ version: link:../agent - '@deepseek-ai/dsh-fs': - specifier: workspace:^ - version: link:../../fs/fs - '@deepseek-ai/dsh-llm': - specifier: workspace:^ - version: link:../../llm/llm '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../system-prompt @@ -301,6 +295,25 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/core/skill-local: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + yaml: + specifier: ^2.4.2 + version: 2.9.0 + devDependencies: + '@deepseek-ai/dsh-fs': + specifier: workspace:^ + version: link:../../fs/fs + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../skill + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/core/system-prompt: dependencies: schemastery: @@ -325,6 +338,9 @@ importers: '@deepseek-ai/dsh-skill': specifier: workspace:^ version: link:../skill + '@deepseek-ai/dsh-skill-local': + specifier: workspace:^ + version: link:../skill-local '@deepseek-ai/dsh-tools': specifier: workspace:^ version: link:../tools diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index 2b2eb4e4f7..5225ca544b 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -127,10 +127,10 @@ const SERVICE_ROLES: ServiceRole[] = [ { key: 'skills', pkg: 'skill', - title: 'Skill discovery registry', + title: 'Skill provider registry', mode: 'core', - consumers: ['agent-core', 'tool-skill'], - note: 'Discovers project/user/system skills, injects request-time listings, and serves full skill bodies to the skill tool.', + consumers: ['agent-core', 'skill-local', 'tool-skill'], + note: 'Merges provider skill catalogs, injects request-time listings, and serves full skill bodies to the skill tool.', }, { key: 'agents', diff --git a/scripts/gen-tool-catalog.ts b/scripts/gen-tool-catalog.ts index 70899af9bd..901bd7f51d 100644 --- a/scripts/gen-tool-catalog.ts +++ b/scripts/gen-tool-catalog.ts @@ -47,6 +47,7 @@ import * as WebFetchLocal from '@deepseek-ai/dsh-web-fetch-local' import SubagentService from '@deepseek-ai/dsh-subagent' import * as SubagentMock from '@deepseek-ai/dsh-subagent-mock' import SkillService from '@deepseek-ai/dsh-skill' +import * as SkillLocal from '@deepseek-ai/dsh-skill-local' import * as ToolBash from '@deepseek-ai/dsh-tool-bash' import * as ToolFs from '@deepseek-ai/dsh-tool-fs' import * as ToolSkill from '@deepseek-ai/dsh-tool-skill' @@ -138,10 +139,10 @@ const TOOL_PACKAGES: ToolPackage[] = [ requires: ['ctx.tools', 'ctx.skills'], writes: ['tool/call', 'tool/result'], async mount(ctx) { - await ctx.plugin(SkillService, { + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: resolve(root, '.tmp/tool-catalog/.dsh'), agentsHome: resolve(root, '.tmp/tool-catalog/.agents'), - installSystemSkills: false, }) await ctx.plugin(ToolSkill) }, diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index fb81b6ec12..1544dbf965 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -65,10 +65,13 @@ { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FileReadOutcome", "source": "packages/fs/tool-fs/src/read-render.ts" }, { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSource", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillResourceBase", "source": "packages/core/skill/src/index.ts" }, { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSummary", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillCandidate", "source": "packages/core/skill/src/index.ts" }, { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillDefinition", "source": "packages/core/skill/src/index.ts" }, { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillRegistration", "source": "packages/core/skill/src/index.ts" }, { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillLookupOptions", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillProvider", "source": "packages/core/skill/src/index.ts" }, { "doc": "docs/core-data-structures/skills.md", "symbol": "Config", "source": "packages/core/skill/src/index.ts" }, { "doc": "docs/core-data-structures/compaction.md", "symbol": "CompactionResult", "source": "packages/compact/compact/src/types.ts" }, diff --git a/tsconfig.json b/tsconfig.json index 7de50738ff..75ed8c2d31 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -31,6 +31,7 @@ { "path": "./packages/core/agent" }, { "path": "./packages/core/tools" }, { "path": "./packages/core/skill" }, + { "path": "./packages/core/skill-local" }, { "path": "./packages/core/tool-skill" }, { "path": "./packages/core/agent-loop" }, { "path": "./packages/core/agent-core" }, From cdd1ce2ad4ab5851de949f13ba085b306b8e70b2 Mon Sep 17 00:00:00 2001 From: pku-xht Date: Wed, 8 Jul 2026 15:31:14 +0800 Subject: [PATCH 38/90] feat(subagent): extract dsh-subagent-process shared out-of-process machinery MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The credential env scrub (SENSITIVE_ENV_PATTERN/buildChildEnv), the spawn-failure capture (spawnFailure), the child-exit waits (waitForExit/exitsWithin), and the stdin-EOF -> SIGTERM -> SIGKILL dispose ladder move out of subagent-acp into a new pure library package (the subagent-inprocess shape), with the ladder taking its two grace periods as parameters — defaults stay in the plugin Config. New isolated-config-dir helpers (mkdtemp create, best-effort remove; a pinned dir is never removed) land alongside for the CLAUDE_CONFIG_DIR / CODEX_HOME redirection the RFC names. The ACP backend migrates onto the library with no semantic change: its suite passes with import-path edits only. bash-local keeps its sibling copy, per the RFC's blast-radius call. RFC: docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md --- docs/config-catalog.md | 1 + docs/module-graph.md | 5 +- knip.json | 5 + packages/subagent/README.md | 3 +- packages/subagent/subagent-acp/package.json | 2 + packages/subagent/subagent-acp/src/run.ts | 98 ++---- .../subagent-acp/tests/subagent-acp.spec.ts | 3 +- packages/subagent/subagent-acp/tsconfig.json | 3 + packages/subagent/subagent-process/README.md | 40 +++ .../subagent/subagent-process/package.json | 30 ++ .../subagent/subagent-process/src/index.ts | 207 ++++++++++++ .../tests/subagent-process.spec.ts | 307 ++++++++++++++++++ .../subagent/subagent-process/tsconfig.json | 11 + pnpm-lock.yaml | 9 + tsconfig.build.json | 1 + tsconfig.json | 1 + 16 files changed, 645 insertions(+), 81 deletions(-) create mode 100644 packages/subagent/subagent-process/README.md create mode 100644 packages/subagent/subagent-process/package.json create mode 100644 packages/subagent/subagent-process/src/index.ts create mode 100644 packages/subagent/subagent-process/tests/subagent-process.spec.ts create mode 100644 packages/subagent/subagent-process/tsconfig.json diff --git a/docs/config-catalog.md b/docs/config-catalog.md index e55066101f..c01d42f87d 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -816,3 +816,4 @@ Imported as libraries by other packages; a `cordis.yml` cannot load them. - `@deepseek-ai/dsh-brand` ([`packages/util/brand/src/index.ts`](../packages/util/brand/src/index.ts)) - `@deepseek-ai/dsh-hook-protocol` ([`packages/hooks/hook-protocol/src/index.ts`](../packages/hooks/hook-protocol/src/index.ts)) - `@deepseek-ai/dsh-subagent-inprocess` ([`packages/subagent/subagent-inprocess/src/index.ts`](../packages/subagent/subagent-inprocess/src/index.ts)) +- `@deepseek-ai/dsh-subagent-process` ([`packages/subagent/subagent-process/src/index.ts`](../packages/subagent/subagent-process/src/index.ts)) diff --git a/docs/module-graph.md b/docs/module-graph.md index 5e043d22d4..cadf8d0d14 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -43,6 +43,7 @@ flowchart TD pkg_subagent_acp["subagent-acp"] pkg_subagent_fork["subagent-fork"] pkg_subagent_inprocess["subagent-inprocess"] + pkg_subagent_process["subagent-process"] pkg_subagent_spawn["subagent-spawn"] pkg_tool_subagent["tool-subagent"] end @@ -171,6 +172,7 @@ flowchart TD pkg_subagent_acp --> pkg_agent pkg_subagent_acp --> pkg_llm pkg_subagent_acp --> pkg_subagent + pkg_subagent_acp --> pkg_subagent_process pkg_subagent_inprocess --> pkg_agent pkg_subagent_inprocess --> pkg_llm pkg_subagent_inprocess --> pkg_session @@ -211,6 +213,7 @@ flowchart TD | Package | Group | Depends on | | --- | --- | --- | | [`brand`](../packages/util/brand) | `util` | — | +| [`subagent-process`](../packages/subagent/subagent-process) | `subagent` | — | | [`acp-snapshot`](../packages/support/acp-snapshot) | `support` | — | | [`app-boot`](../packages/ui/app-boot) | `ui` | — | | [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — | @@ -248,7 +251,7 @@ flowchart TD | [`hooks-codex`](../packages/hooks/hooks-codex) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | | [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools) | | [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tools`](../packages/core/tools) | -| [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent) | +| [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`subagent-process`](../packages/subagent/subagent-process) | | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | | [`hooks-claude`](../packages/hooks/hooks-claude) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | diff --git a/knip.json b/knip.json index 8c0f71f3af..1ab6d39a9e 100644 --- a/knip.json +++ b/knip.json @@ -66,6 +66,11 @@ "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts", "tests/mock-acp-server.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, + "packages/subagent/subagent-process": { + "entry": ["tests/**/*.spec.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"], + "ignoreDependencies": ["cordis"] + }, "packages/fs/tool-fs": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] diff --git a/packages/subagent/README.md b/packages/subagent/README.md index 6da8ee42f5..38c64d22a5 100644 --- a/packages/subagent/README.md +++ b/packages/subagent/README.md @@ -8,9 +8,10 @@ The subagent seam: an agent delegating work to a child agent. Like the [bash](.. | `subagent-inprocess/` | Shared in-process run driver (pure lib; registers nothing) | — | | `subagent-spawn/` | In-process backend: a fresh child agent | (registers on `ctx.subagents`) | | `subagent-fork/` | In-process backend: a child seeded with the parent's completed-turn prefix | (registers on `ctx.subagents`) | +| `subagent-process/` | Shared out-of-process machinery: env scrub, dispose ladder, isolated config dirs (pure lib; registers nothing) | — | | `subagent-acp/` | Out-of-process backend: a child agent in a spawned subprocess, driven over ACP | (registers on `ctx.subagents`) | | `tool-subagent/` | Model-facing `subagent` delegation tool over `ctx.subagents` | (registers on `ctx.tools`) | -The interface lives at `subagent/subagent/`. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a pure library — both depend on it, neither on the other), and the out-of-process `subagent-acp` backend ships alongside them here; the test-only `dsh-subagent-mock` (in [support](../support/README.md)) is separate. All **product** packages except the mock. +The interface lives at `subagent/subagent/`. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a pure library — both depend on it, neither on the other), the out-of-process `subagent-acp` backend builds on the `subagent-process` library (the credential env scrub, the dispose ladder, isolated config dirs) and ships alongside them here; the test-only `dsh-subagent-mock` (in [support](../support/README.md)) is separate. All **product** packages except the mock. The proposal and design rationale: [docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md](../../docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md). diff --git a/packages/subagent/subagent-acp/package.json b/packages/subagent/subagent-acp/package.json index 2c55051da9..45fc6b072c 100644 --- a/packages/subagent/subagent-acp/package.json +++ b/packages/subagent/subagent-acp/package.json @@ -25,6 +25,7 @@ "@deepseek-ai/dsh-agent": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-subagent": "^0.0.1", + "@deepseek-ai/dsh-subagent-process": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "dependencies": { @@ -35,6 +36,7 @@ "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-subagent": "workspace:^", + "@deepseek-ai/dsh-subagent-process": "workspace:^", "@cordisjs/plugin-loader": "^1.0.0-rc.4", "cordis": "^4.0.0-rc.6" } diff --git a/packages/subagent/subagent-acp/src/run.ts b/packages/subagent/subagent-acp/src/run.ts index d7631f4d8d..a94c923f46 100644 --- a/packages/subagent/subagent-acp/src/run.ts +++ b/packages/subagent/subagent-acp/src/run.ts @@ -22,7 +22,7 @@ * @module @deepseek-ai/dsh-subagent-acp/run */ -import { spawn, type ChildProcess } from 'node:child_process' +import { spawn } from 'node:child_process' import { randomUUID } from 'node:crypto' import { Readable, Writable } from 'node:stream' import { @@ -40,6 +40,7 @@ import { import { AgentId } from '@deepseek-ai/dsh-agent' import type { ContentBlock } from '@deepseek-ai/dsh-llm' import type { SubagentResult, SubagentRun, SubagentStartRequest, SubagentStopReason } from '@deepseek-ai/dsh-subagent' +import { buildChildEnv, disposeChildProcess, spawnFailure } from '@deepseek-ai/dsh-subagent-process' /** * How the client answers a child's `session/request_permission`. The first cut @@ -110,31 +111,6 @@ export const DEFAULT_DISPOSE_EOF_GRACE_MS = 6_000 /** Default grace between SIGTERM and SIGKILL on dispose (the `disposeGraceMs` config; mirrors the bash executor). */ export const DEFAULT_DISPOSE_GRACE_MS = 3_000 -/** - * Credential-shaped ambient env vars are NOT forwarded to the child by default - * (the parent harness's own `DEEPSEEK_API_KEY`/secrets must not leak into a - * spawned process implicitly). Same pattern as the bash executor. The child - * agent needs its OWN credentials to reach a model — those are supplied - * explicitly via {@link AcpRunSpec.env}, which is layered on top AFTER the - * scrub, so an intended `DEEPSEEK_API_KEY` survives while an incidental - * `AWS_SECRET_ACCESS_KEY` does not. - */ -export const SENSITIVE_ENV_PATTERN = /KEY|SECRET|TOKEN/i - -/** - * The ambient env minus credential-shaped vars, plus the spec's explicit env. - * @param extra - explicit vars layered on top AFTER the scrub, so a - * credential-shaped name supplied deliberately still reaches the child. - * @returns the environment to spawn the child with. - */ -export function buildChildEnv(extra: Record): NodeJS.ProcessEnv { - const env: NodeJS.ProcessEnv = {} - for (const [key, value] of Object.entries(process.env)) { - if (!SENSITIVE_ENV_PATTERN.test(key)) env[key] = value - } - return { ...env, ...extra } -} - /** * Map an ACP {@link StopReason} to a harness {@link SubagentStopReason}. * @param reason - the terminal reason from the child's `session/prompt` response. @@ -196,24 +172,6 @@ function toError(value: unknown): Error { return value instanceof Error ? value : new Error(String(value)) } -/** Resolve once the child process exits (any code/signal); immediate if gone. */ -function waitForExit(child: ChildProcess): Promise { - // Already-exited fast path: dispose guards on exitCode before calling, so in - // tests the child is always still alive here. - /* v8 ignore next */ - if (child.exitCode !== null || child.signalCode !== null) return Promise.resolve() - return new Promise(resolve => child.once('exit', () => { resolve() })) -} - -/** Resolve `true` if the child exits within `ms`, `false` on timeout. */ -function exitsWithin(child: ChildProcess, ms: number): Promise { - return Promise.race([ - waitForExit(child).then(() => true), - // `.unref()` so a pending grace timer never keeps the parent's loop alive. - new Promise(resolve => setTimeout(() => { resolve(false) }, ms).unref()), - ]) -} - /** * Start an out-of-process ACP child for `request` and return a {@link SubagentRun}. * @@ -254,13 +212,11 @@ export function startAcpRun(request: SubagentStartRequest, spec: AcpRunSpec): Su env: buildChildEnv(spec.env), stdio: ['pipe', 'pipe', 'inherit'], }) - // A spawn-level failure (e.g. ENOENT for a bad command) is emitted as an - // `error` event, NOT a thrown exception — without a listener Node treats it as - // an unhandled error and crashes the parent. Capture it into a promise the - // result path races, so a bad command settles `error` like any child failure. - const spawnFailed = new Promise((resolve) => { - child.once('error', (err) => { resolve(err) }) - }) + // Same-tick capture (the library's contract): a spawn-level failure (e.g. + // ENOENT for a bad command) is an `error` EVENT that would crash the parent + // unheard; the result path races this promise, so a bad command settles + // `error` like any child failure. + const spawnFailed = spawnFailure(child) // Accumulate the child's streamed assistant text — the SubagentResult output. const output: string[] = [] @@ -393,33 +349,19 @@ export function startAcpRun(request: SubagentStartRequest, spec: AcpRunSpec): Su }, async dispose(): Promise { request.signal?.removeEventListener('abort', onAbort) - // Reach quiescence, not merely request it (dispose must AWAIT the child - // actually stopping). If the child is already gone, nothing to do. - if (child.exitCode !== null || child.signalCode !== null) return - const eofGraceMs = spec.disposeEofGraceMs - const graceMs = spec.disposeGraceMs - // 1. Graceful: end the ACP request stream (stdin EOF) and let the child - // quiesce ON ITS OWN. Our acp-agent has NO SIGTERM handler in a normal - // session — it tears down via the server bridge's connection-close path - // (conn.closed → per-agent dispose → final session/flush), driven by the - // stdin EOF, NOT by a signal. A prompt response can resolve from a - // turn/end BEFORE that post-turn flush lands, so the child still has - // durable work owed when dispose runs. Give the EOF-driven quiesce a real - // window — wider than a single signal-grace, since the child's own - // teardown may itself be awaiting a signal-trapping grandchild (a bash - // subprocess in its own SIGTERM→SIGKILL grace) plus a flush — and only - // escalate if it overruns. Sending SIGTERM in the same tick (or too soon) - // would default-terminate the child mid-flush, orphaning its nested work. - child.stdin.end() - if (await exitsWithin(child, eofGraceMs)) return - // 2. SIGTERM, then escalate to SIGKILL if it still does not exit within the - // grace period — a child that ignores EOF and traps SIGTERM must not - // wedge dispose forever (the seam requires bounded quiescence). - child.kill('SIGTERM') - if (await exitsWithin(child, graceMs)) return - // 3. Force-kill and await the (now-certain) exit. - child.kill('SIGKILL') - await waitForExit(child) + // Quiescent teardown via the shared ladder (stdin EOF → SIGTERM → + // SIGKILL, awaiting the actual exit). For THIS child the EOF tier is the + // one that matters: our acp-agent has NO SIGTERM handler in a normal + // session — it tears down via the server bridge's connection-close path + // (conn.closed → per-agent dispose → final session/flush), driven by the + // stdin EOF, NOT by a signal — and a prompt response can resolve from a + // turn/end BEFORE that post-turn flush lands, so the child still has + // durable work owed when dispose runs (hence the wide EOF grace; see + // DEFAULT_DISPOSE_EOF_GRACE_MS). + await disposeChildProcess(child, { + disposeEofGraceMs: spec.disposeEofGraceMs, + disposeGraceMs: spec.disposeGraceMs, + }) }, } } diff --git a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts index 3eb12fac38..6d351c71d0 100644 --- a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts +++ b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts @@ -6,9 +6,10 @@ import { tmpdir } from 'node:os' import { join } from 'node:path' import { fileURLToPath } from 'node:url' import SubagentService from '@deepseek-ai/dsh-subagent' +import { buildChildEnv, SENSITIVE_ENV_PATTERN } from '@deepseek-ai/dsh-subagent-process' import type { Agent } from '@deepseek-ai/dsh-agent' import * as acp from '../src/index.ts' -import { acpStopReason, acpContentText, buildChildEnv, DEFAULT_DISPOSE_EOF_GRACE_MS, DEFAULT_DISPOSE_GRACE_MS, SENSITIVE_ENV_PATTERN, startAcpRun, toAcpPrompt, type AcpRunSpec } from '../src/run.ts' +import { acpStopReason, acpContentText, DEFAULT_DISPOSE_EOF_GRACE_MS, DEFAULT_DISPOSE_GRACE_MS, startAcpRun, toAcpPrompt, type AcpRunSpec } from '../src/run.ts' /** * Keyless integration tests for the ACP subagent backend. Each spawns a REAL diff --git a/packages/subagent/subagent-acp/tsconfig.json b/packages/subagent/subagent-acp/tsconfig.json index 3c06fef150..ab24f60f93 100644 --- a/packages/subagent/subagent-acp/tsconfig.json +++ b/packages/subagent/subagent-acp/tsconfig.json @@ -25,6 +25,9 @@ }, { "path": "../subagent" + }, + { + "path": "../subagent-process" } ] } diff --git a/packages/subagent/subagent-process/README.md b/packages/subagent/subagent-process/README.md new file mode 100644 index 0000000000..597470f52a --- /dev/null +++ b/packages/subagent/subagent-process/README.md @@ -0,0 +1,40 @@ +# @deepseek-ai/dsh-subagent-process + +Shared machinery for **out-of-process subagent backends** — providers that spawn an external agent as a child process, such as the [ACP backend](../subagent-acp/README.md). A pure library (no provider, no registration, no Config): what every spawn-a-CLI-child backend needs to keep the parent deployment's credentials out of the child, tear the child down to quiescence, and isolate it from the host user's on-disk CLI state. Design rationale: [the Claude Code / Codex subagent backends RFC](../../../docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md). + +Every tunable is a **parameter**: the dispose ladder takes its grace periods per call, the config-dir helper takes an optional pinned path. Defaults live in each consuming plugin's Config (defaulted, validated fields changeable from `cordis.yml`), never in this library. + +## What it exports + +### `SENSITIVE_ENV_PATTERN` / `buildChildEnv(extra)` + +The credential env scrub (same pattern as the [bash executor](../../bash/bash-local/README.md)): the child env is the ambient env minus credential-shaped vars (`/KEY|SECRET|TOKEN/i`), with `extra` layered on top AFTER the scrub. `PATH`, `HOME`, `TMPDIR`, locale, and proxy vars survive, so the child CLI runs normally; the parent's own secrets never leak implicitly, while an explicitly supplied credential (the child's OWN key in a backend's `env` config) still reaches the child. + +### `spawnFailure(child)` + +Spawn-failure capture: a promise that resolves (never rejects) with the child's first `error` event. A spawn failure such as `ENOENT` is an event, not a thrown exception — without a listener Node crashes the parent process — so call this in the same tick as `spawn()` and race it in the run's result path; a bad command then settles as an ordinary child-level failure. For a child that spawns cleanly the promise never settles. + +### `waitForExit(child)` / `exitsWithin(child, ms)` + +Exit waits over a `ChildProcess`: resolve once the child exits by any code or signal (immediately if it is already gone), or race that against a timer (`true` = exited in time; the pending timer is `unref()`ed so a grace window never keeps the parent's event loop alive). + +### `disposeChildProcess(child, graces)` + +The three-tier dispose ladder. Resolves only once the child has ACTUALLY exited — quiescence reached, not merely requested (see [defensive patterns](../../../docs/defensive-patterns.md)): + +1. stdin EOF (when stdin is piped), then wait `graces.disposeEofGraceMs` — a cooperative child quiesces on its own, its flushes and nested-subprocess teardown intact; +2. `SIGTERM`, then wait `graces.disposeGraceMs`; +3. `SIGKILL`, then await the now-certain exit — a child that ignores EOF and traps `SIGTERM` cannot wedge dispose forever. + +The two graces (`DisposeLadderGraces`) come from the consuming plugin's `disposeEofGraceMs`/`disposeGraceMs` Config fields; the EOF window is deliberately a separate — usually wider — grace than the signal tier, since a cooperative child's EOF teardown may itself await a signal-trapping grandchild plus a final flush. + +### `createIsolatedConfigDir(prefix, pinnedPath?)` + +A per-run isolated config directory for an external CLI child (the target of `CLAUDE_CONFIG_DIR` / `CODEX_HOME`-style redirection), so child behavior is a function of deployment config alone — never of whatever `~/.claude` / `~/.codex`-style state exists on the host. Returns an `IsolatedConfigDir` handle: `path` goes into the child env, `remove()` runs on dispose. + +- **Fresh (default)**: a private (0700) `mkdtemp` dir under the OS temp root; `remove()` deletes it best-effort (never rejects — a leftover temp dir beats a failed dispose) and is idempotent. +- **Pinned** (`pinnedPath` set): the path is returned as-is — never created, never removed. A deployment that pins a directory to share child state across runs owns that directory's lifecycle. + +## Testing + +`tests/subagent-process.spec.ts`: the env scrub and config-dir helpers run against the real process env and real filesystem (including an rm-failure path proving `remove()` never rejects); the exit waits and the dispose ladder run against a scriptable fake child, driving each escalation tier deterministically. The [ACP backend suite](../subagent-acp/README.md) exercises the same ladder against real subprocesses (EOF-cooperative, EOF-ignoring, and SIGTERM-trapping children) end to end. diff --git a/packages/subagent/subagent-process/package.json b/packages/subagent/subagent-process/package.json new file mode 100644 index 0000000000..218276be44 --- /dev/null +++ b/packages/subagent/subagent-process/package.json @@ -0,0 +1,30 @@ +{ + "name": "@deepseek-ai/dsh-subagent-process", + "description": "Shared out-of-process subagent machinery: credential env scrub, spawn-failure capture, child-exit waits, the EOF-to-SIGTERM-to-SIGKILL dispose ladder, and isolated config dirs (pure lib; registers nothing)", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/subagent/subagent-process/src/index.ts b/packages/subagent/subagent-process/src/index.ts new file mode 100644 index 0000000000..b54681d3c7 --- /dev/null +++ b/packages/subagent/subagent-process/src/index.ts @@ -0,0 +1,207 @@ +/** + * Shared machinery for OUT-OF-PROCESS subagent backends — providers that spawn + * an external agent as a child process and must keep the parent deployment's + * credentials out of it, tear it down to quiescence, and isolate it from the + * host user's on-disk CLI state. The pieces: the credential env scrub + * ({@link SENSITIVE_ENV_PATTERN} / {@link buildChildEnv}), the spawn-failure + * capture ({@link spawnFailure}), the child-exit waits ({@link waitForExit} / + * {@link exitsWithin}), the stdin-EOF → SIGTERM → SIGKILL dispose ladder + * ({@link disposeChildProcess}), and the per-run isolated config dir + * ({@link createIsolatedConfigDir}). + * + * This package owns no provider and registers nothing; it is a pure library + * the out-of-process backend packages depend on (the `subagent-inprocess` + * shape, for the process boundary). Every tunable — the ladder's grace + * periods, a pinned config dir — is a PARAMETER here: defaults belong in each + * consuming plugin's Config, per the no-hardcoded-tunables rule. + * + * @module @deepseek-ai/dsh-subagent-process + */ + +import type { ChildProcess } from 'node:child_process' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' + +/** + * Credential-shaped ambient env vars are NOT forwarded to a child by default + * (the parent harness's own `DEEPSEEK_API_KEY`/secrets must not leak into a + * spawned process implicitly). Same pattern as the bash executor. The child + * agent needs its OWN credentials to reach a model — those are supplied + * explicitly via the `extra` layer of {@link buildChildEnv}, which lands AFTER + * the scrub, so an intended `DEEPSEEK_API_KEY` survives while an incidental + * `AWS_SECRET_ACCESS_KEY` does not. + */ +export const SENSITIVE_ENV_PATTERN = /KEY|SECRET|TOKEN/i + +/** + * The ambient env minus credential-shaped vars, plus the caller's explicit + * env. `PATH`, `HOME`, `TMPDIR`, locale, and proxy vars survive the scrub, so + * a child CLI runs normally; only {@link SENSITIVE_ENV_PATTERN}-shaped names + * are dropped. + * @param extra - explicit vars layered on top AFTER the scrub, so a + * credential-shaped name supplied deliberately still reaches the child. + * @returns the environment to spawn the child with. + */ +export function buildChildEnv(extra: Record): NodeJS.ProcessEnv { + const env: NodeJS.ProcessEnv = {} + for (const [key, value] of Object.entries(process.env)) { + if (!SENSITIVE_ENV_PATTERN.test(key)) env[key] = value + } + return { ...env, ...extra } +} + +/** + * Capture the child's spawn-level failure as a promise the run's result path + * can race. A spawn failure (e.g. `ENOENT` for a bad command) is emitted as an + * `error` EVENT, not a thrown exception — and without a listener Node treats + * it as an unhandled error and crashes the parent process. Call this in the + * SAME TICK as `spawn()`, so no window exists for the event to fire unheard. + * @param child - the just-spawned child process. + * @returns a promise that RESOLVES (never rejects) with the child's first + * `error` event; for a child that spawns cleanly it never settles. + */ +export function spawnFailure(child: ChildProcess): Promise { + return new Promise((resolve) => { + child.once('error', (err) => { resolve(err) }) + }) +} + +/** + * Resolve once the child process exits (any code/signal); immediate if it is + * already gone. + * @param child - the child process to await. + */ +export function waitForExit(child: ChildProcess): Promise { + if (child.exitCode !== null || child.signalCode !== null) return Promise.resolve() + return new Promise(resolve => child.once('exit', () => { resolve() })) +} + +/** + * Race the child's exit against a timer. + * @param child - the child process to watch. + * @param ms - the wait window in milliseconds. + * @returns `true` if the child exits within `ms`, `false` on timeout. + */ +export function exitsWithin(child: ChildProcess, ms: number): Promise { + return Promise.race([ + waitForExit(child).then(() => true), + // `.unref()` so a pending grace timer never keeps the parent's loop alive. + new Promise(resolve => setTimeout(() => { resolve(false) }, ms).unref()), + ]) +} + +/** + * The two grace periods of the dispose ladder, supplied per call by the + * consuming backend — each plugin carries them as defaulted, validated + * `disposeEofGraceMs`/`disposeGraceMs` Config fields, so teardown timing is + * deployment-tunable and this library hardcodes nothing. + */ +export interface DisposeLadderGraces { + /** + * Tier-1 window (ms): after stdin EOF, how long the child gets to quiesce + * ON ITS OWN — flush durable state, tear down its own nested subprocesses — + * before the parent escalates to `SIGTERM`. A separate (usually WIDER) + * grace than {@link DisposeLadderGraces.disposeGraceMs}: a cooperative + * child's EOF-driven teardown may itself be waiting on a signal-trapping + * grandchild plus a final flush, needing more than one signal-grace of + * headroom. + */ + disposeEofGraceMs: number + /** Tier-2 window (ms): between `SIGTERM` and the `SIGKILL` escalation. */ + disposeGraceMs: number +} + +/** + * Tear a child process down to QUIESCENCE: resolves only once the child has + * actually exited (or was already gone), never merely after requesting it. + * Three-tier escalation — + * + * 1. stdin EOF (when stdin is piped), then wait `disposeEofGraceMs`: a + * cooperative child quiesces on its own, its teardown and flushes intact; + * 2. `SIGTERM`, then wait `disposeGraceMs`; + * 3. `SIGKILL`, then await the (now-certain) exit — a child that ignores EOF + * and traps `SIGTERM` must not wedge dispose forever. + * + * @param child - the child process to tear down. + * @param graces - the two grace periods, from the consuming plugin's Config. + */ +export async function disposeChildProcess(child: ChildProcess, graces: DisposeLadderGraces): Promise { + // Already gone: nothing to reap. + if (child.exitCode !== null || child.signalCode !== null) return + // 1. Graceful: end the request stream (stdin EOF) and let the child quiesce + // on its own. Sending SIGTERM in the same tick (or too soon) would + // default-terminate a cooperative child mid-flush, orphaning its nested + // work. A child spawned without a stdin pipe skips straight to the wait. + child.stdin?.end() + if (await exitsWithin(child, graces.disposeEofGraceMs)) return + // 2. SIGTERM, escalating if the child still does not exit within the grace. + child.kill('SIGTERM') + if (await exitsWithin(child, graces.disposeGraceMs)) return + // 3. Force-kill and await the (now-certain) exit. + child.kill('SIGKILL') + await waitForExit(child) +} + +/** + * A per-run config directory handle for an external CLI child — the target of + * `CLAUDE_CONFIG_DIR` / `CODEX_HOME`-style redirection. Hand {@link path} to + * the child's environment; call {@link remove} on dispose. + */ +export interface IsolatedConfigDir { + /** The directory to point the child at. */ + path: string + /** + * Best-effort cleanup: removes the directory (recursively) iff this handle + * CREATED it — a pinned directory is never removed. Idempotent; never + * rejects (a leftover dir under the OS temp root is preferable to a failed + * dispose). + */ + remove(): Promise +} + +/** + * An isolated config dir for one child run, so the child's behavior is a + * function of deployment config alone — never of whatever `~/.claude` / + * `~/.codex`-style state happens to exist on the host machine. Two modes: + * + * - no `pinnedPath` (the default): creates a FRESH private (0700) `mkdtemp` + * dir under the OS temp root; {@link IsolatedConfigDir.remove} deletes it + * best-effort; + * - `pinnedPath` set (a deployment deliberately sharing state across runs): + * the pinned path is returned as-is — never created, never removed — the + * deployment owns that directory's lifecycle. + * + * @param prefix - the `mkdtemp` name prefix for a fresh dir (e.g. + * `dsh-subagent-codex-`); ignored when `pinnedPath` is set. + * @param pinnedPath - a deployment-pinned directory to use instead of a + * fresh one. + * @returns the directory handle: `path` for the child env, `remove()` for + * dispose. + */ +export async function createIsolatedConfigDir(prefix: string, pinnedPath?: string): Promise { + if (pinnedPath !== undefined) { + return { + path: pinnedPath, + remove(): Promise { + // A pinned dir is deployment-owned state (config the user asked to + // persist across runs); removing it here would destroy it. No-op. + return Promise.resolve() + }, + } + } + const path = await mkdtemp(join(tmpdir(), prefix)) + return { + path, + async remove(): Promise { + try { + await rm(path, { recursive: true, force: true }) + } catch { + // Best-effort by contract: swallows rm failures (EACCES/EBUSY-style — + // e.g. the dead child left an unreadable entry behind). The dir lives + // under the OS temp root, which reclaims it; failing dispose over + // cleanup would be worse than a leftover temp dir. + } + }, + } +} diff --git a/packages/subagent/subagent-process/tests/subagent-process.spec.ts b/packages/subagent/subagent-process/tests/subagent-process.spec.ts new file mode 100644 index 0000000000..c4828d8498 --- /dev/null +++ b/packages/subagent/subagent-process/tests/subagent-process.spec.ts @@ -0,0 +1,307 @@ +import { describe, expect, it } from 'vitest' +import { EventEmitter } from 'node:events' +import { existsSync } from 'node:fs' +import { chmod, mkdir, mkdtemp, rm, stat, writeFile } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import type { ChildProcess } from 'node:child_process' +import { + buildChildEnv, + createIsolatedConfigDir, + disposeChildProcess, + exitsWithin, + SENSITIVE_ENV_PATTERN, + spawnFailure, + waitForExit, +} from '../src/index.ts' + +/** + * Unit tests for the shared out-of-process machinery. The env scrub and the + * isolated-config-dir helpers run against the REAL process env and REAL + * filesystem; the exit waits and the dispose ladder run against a scriptable + * fake child so each escalation tier's timing is driven deterministically + * (the ACP backend's suite exercises the same ladder against real + * subprocesses end to end). + */ + +/** What fells a scripted {@link FakeChild}. */ +type LethalTrigger = 'eof' | NodeJS.Signals + +/** Per-scenario script for a {@link FakeChild}. */ +interface FakeChildScript { + /** + * The one trigger that makes the child exit (SIGKILL always does, + * uncatchable, like a real process). Omitted: only SIGKILL fells it. + */ + diesOn?: LethalTrigger + /** Delay (ms) between the lethal trigger and the exit event. */ + delayMs?: number + /** `false` models a child spawned without a stdin pipe. */ + stdin?: boolean +} + +/** + * A scriptable stand-in for a ChildProcess carrying exactly the surface the + * helpers read: `exitCode`/`signalCode`, `stdin.end()`, `kill()`, and the + * `exit` event. + */ +class FakeChild extends EventEmitter { + exitCode: number | null = null + signalCode: NodeJS.Signals | null = null + readonly kills: NodeJS.Signals[] = [] + stdinEnded = false + readonly stdin: { end: () => void } | null + + constructor(private readonly script: FakeChildScript = {}) { + super() + this.stdin = script.stdin === false + ? null + : { end: () => { this.stdinEnded = true; this.maybeDie('eof') } } + } + + kill(signal: NodeJS.Signals): boolean { + this.kills.push(signal) + this.maybeDie(signal) + return true + } + + private maybeDie(trigger: LethalTrigger): void { + // SIGKILL is uncatchable — it always fells the child; any other trigger + // only when the scenario scripts it as the lethal one. + if (trigger !== 'SIGKILL' && this.script.diesOn !== trigger) return + setTimeout(() => { + if (trigger === 'eof') this.exitCode = 0 + else this.signalCode = trigger + this.emit('exit', this.exitCode, this.signalCode) + }, this.script.delayMs ?? 0) + } +} + +/** The helpers take a real ChildProcess; the fake carries the read surface. */ +function asChild(fake: FakeChild): ChildProcess { + return fake as unknown as ChildProcess +} + +describe('buildChildEnv / SENSITIVE_ENV_PATTERN', () => { + it('drops credential-shaped ambient vars (KEY/SECRET/TOKEN, case-insensitive)', () => { + process.env.DSH_PROC_TEST_API_KEY = 'leak' + process.env.dsh_proc_test_secret = 'leak' + process.env.DSH_PROC_TEST_TOKEN = 'leak' + try { + const env = buildChildEnv({}) + expect(env.DSH_PROC_TEST_API_KEY).toBeUndefined() + expect(env.dsh_proc_test_secret).toBeUndefined() + expect(env.DSH_PROC_TEST_TOKEN).toBeUndefined() + } finally { + delete process.env.DSH_PROC_TEST_API_KEY + delete process.env.dsh_proc_test_secret + delete process.env.DSH_PROC_TEST_TOKEN + } + }) + + it('forwards normal ambient vars', () => { + expect(SENSITIVE_ENV_PATTERN.test('PATH')).toBe(false) + expect(buildChildEnv({}).PATH).toBe(process.env.PATH) + }) + + it('layers extras AFTER the scrub, so a deliberate credential-shaped name survives', () => { + process.env.DSH_PROC_TEST_EXTRA_TOKEN = 'ambient-leak' + try { + const env = buildChildEnv({ DSH_PROC_TEST_EXTRA_TOKEN: 'explicit' }) + // The ambient value was scrubbed; ONLY the explicit opt-in reaches the child. + expect(env.DSH_PROC_TEST_EXTRA_TOKEN).toBe('explicit') + } finally { + delete process.env.DSH_PROC_TEST_EXTRA_TOKEN + } + }) + + it('an extra overrides the ambient value of a non-credential var', () => { + process.env.DSH_PROC_TEST_PLAIN = 'ambient' + try { + expect(buildChildEnv({ DSH_PROC_TEST_PLAIN: 'override' }).DSH_PROC_TEST_PLAIN).toBe('override') + } finally { + delete process.env.DSH_PROC_TEST_PLAIN + } + }) +}) + +describe('spawnFailure', () => { + it('resolves (never rejects) with the first error event', async () => { + const fake = new FakeChild() + const failure = spawnFailure(asChild(fake)) + const err = new Error('spawn ENOENT') + fake.emit('error', err) + await expect(failure).resolves.toBe(err) + }) + + it('never settles for a child that spawns cleanly and exits', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM' }) + const failure = spawnFailure(asChild(fake)) + fake.kill('SIGTERM') + await waitForExit(asChild(fake)) + // A clean lifecycle emits `exit`, never `error` — the capture stays + // pending forever, so a race against it is decided by the other arms. + const settled = await Promise.race([ + failure.then(() => 'settled'), + new Promise(resolve => setTimeout(() => { resolve('pending') }, 30)), + ]) + expect(settled).toBe('pending') + }) +}) + +describe('waitForExit / exitsWithin', () => { + it('resolves immediately for a child that already exited by code', async () => { + const fake = new FakeChild() + fake.exitCode = 0 + await expect(waitForExit(asChild(fake))).resolves.toBeUndefined() + }) + + it('resolves immediately for a child that already died by signal', async () => { + const fake = new FakeChild() + fake.signalCode = 'SIGTERM' + await expect(waitForExit(asChild(fake))).resolves.toBeUndefined() + }) + + it('resolves on the exit event of a live child', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM', delayMs: 5 }) + const exited = waitForExit(asChild(fake)) + fake.kill('SIGTERM') + await expect(exited).resolves.toBeUndefined() + expect(fake.signalCode).toBe('SIGTERM') + }) + + it('exitsWithin resolves true when the child exits inside the window', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM', delayMs: 5 }) + fake.kill('SIGTERM') + await expect(exitsWithin(asChild(fake), 1000)).resolves.toBe(true) + }) + + it('exitsWithin resolves false on timeout for a child that never exits', async () => { + const fake = new FakeChild() // nothing short of SIGKILL fells it; no signal sent + await expect(exitsWithin(asChild(fake), 20)).resolves.toBe(false) + }) +}) + +describe('disposeChildProcess', () => { + it('returns immediately for an already-exited child (no EOF, no signals)', async () => { + const fake = new FakeChild() + fake.exitCode = 0 + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 1000, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(false) + expect(fake.kills).toEqual([]) + }) + + it('returns immediately for a child already dead by signal', async () => { + const fake = new FakeChild() + fake.signalCode = 'SIGKILL' + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 1000, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(false) + expect(fake.kills).toEqual([]) + }) + + it('tier 1: a cooperative child quiesces on stdin EOF — no signal is ever sent', async () => { + const fake = new FakeChild({ diesOn: 'eof', delayMs: 5 }) + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 1000, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(true) + expect(fake.kills).toEqual([]) + expect(fake.exitCode).toBe(0) + }) + + it('tier 2: a child that ignores EOF but honors SIGTERM dies on the middle rung', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM', delayMs: 5 }) + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 20, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(true) + expect(fake.kills).toEqual(['SIGTERM']) + expect(fake.signalCode).toBe('SIGTERM') + }) + + it('tier 3: a SIGTERM-trapping child is SIGKILLed, and dispose resolves only after the exit', async () => { + const fake = new FakeChild({ delayMs: 5 }) // only SIGKILL fells it + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 20, disposeGraceMs: 20 }) + expect(fake.kills).toEqual(['SIGTERM', 'SIGKILL']) + // Quiescence, not a request: at resolution the child has ACTUALLY exited + // (the exit event landed, despite the scripted post-SIGKILL delay). + expect(fake.signalCode).toBe('SIGKILL') + }) + + it('walks the ladder for a child spawned without a stdin pipe', async () => { + const fake = new FakeChild({ stdin: false, diesOn: 'SIGTERM', delayMs: 5 }) + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 20, disposeGraceMs: 1000 }) + expect(fake.kills).toEqual(['SIGTERM']) + }) +}) + +describe('createIsolatedConfigDir', () => { + it('creates a fresh private mkdtemp dir under the OS temp root', async () => { + const dir = await createIsolatedConfigDir('dsh-subagent-process-test-') + try { + expect(dir.path.startsWith(join(tmpdir(), 'dsh-subagent-process-test-'))).toBe(true) + const st = await stat(dir.path) + expect(st.isDirectory()).toBe(true) + // Private (0700) per the defensive-patterns temp-dir rule. + expect(st.mode & 0o777).toBe(0o700) + } finally { + await dir.remove() + } + }) + + it('creates a distinct dir per call (per-run isolation)', async () => { + const a = await createIsolatedConfigDir('dsh-subagent-process-test-') + const b = await createIsolatedConfigDir('dsh-subagent-process-test-') + try { + expect(a.path).not.toBe(b.path) + } finally { + await a.remove() + await b.remove() + } + }) + + it('remove() deletes a fresh dir recursively and is idempotent', async () => { + const dir = await createIsolatedConfigDir('dsh-subagent-process-test-') + await writeFile(join(dir.path, 'settings.json'), '{}') + await dir.remove() + expect(existsSync(dir.path)).toBe(false) + // Second remove: nothing left to delete, still resolves. + await expect(dir.remove()).resolves.toBeUndefined() + }) + + it('returns a pinned dir verbatim and NEVER removes it', async () => { + const pinned = await mkdtemp(join(tmpdir(), 'dsh-subagent-process-pinned-')) + try { + const dir = await createIsolatedConfigDir('ignored-prefix-', pinned) + expect(dir.path).toBe(pinned) + await dir.remove() + // The deployment owns a pinned dir's lifecycle — remove() must not touch it. + expect(existsSync(pinned)).toBe(true) + } finally { + await rm(pinned, { recursive: true, force: true }) + } + }) + + it('does not create a missing pinned path (the deployment owns its lifecycle)', async () => { + const missing = join(tmpdir(), `dsh-subagent-process-missing-${process.pid}`) + const dir = await createIsolatedConfigDir('ignored-prefix-', missing) + expect(dir.path).toBe(missing) + expect(existsSync(missing)).toBe(false) + await dir.remove() + expect(existsSync(missing)).toBe(false) + }) + + it('remove() is best-effort: an rm failure resolves instead of rejecting', async () => { + const dir = await createIsolatedConfigDir('dsh-subagent-process-locked-') + const locked = join(dir.path, 'locked') + await mkdir(locked) + await writeFile(join(locked, 'entry'), 'x') + // An unreadable, unwritable non-empty subdir makes recursive rm fail + // (EACCES on readdir/unlink) for a non-root user. + await chmod(locked, 0o000) + try { + await expect(dir.remove()).resolves.toBeUndefined() + // rm really did fail — the locked subtree is still there. + expect(existsSync(locked)).toBe(true) + } finally { + await chmod(locked, 0o700) + await rm(dir.path, { recursive: true, force: true }) + } + }) +}) diff --git a/packages/subagent/subagent-process/tsconfig.json b/packages/subagent/subagent-process/tsconfig.json new file mode 100644 index 0000000000..749cb0208e --- /dev/null +++ b/packages/subagent/subagent-process/tsconfig.json @@ -0,0 +1,11 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [] +} diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 32ffa0d389..359b68b6d5 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -594,6 +594,9 @@ importers: '@deepseek-ai/dsh-subagent': specifier: workspace:^ version: link:../subagent + '@deepseek-ai/dsh-subagent-process': + specifier: workspace:^ + version: link:../subagent-process cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -671,6 +674,12 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/subagent-process: + devDependencies: + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/subagent-spawn: dependencies: schemastery: diff --git a/tsconfig.build.json b/tsconfig.build.json index 3d99ad4e28..21fa726927 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -50,6 +50,7 @@ { "path": "./packages/support/subagent-mock" }, { "path": "./packages/subagent/tool-subagent" }, { "path": "./packages/subagent/subagent-inprocess" }, + { "path": "./packages/subagent/subagent-process" }, { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, diff --git a/tsconfig.json b/tsconfig.json index 2091283c93..c4127b2b5d 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -61,6 +61,7 @@ { "path": "./packages/support/subagent-mock" }, { "path": "./packages/subagent/tool-subagent" }, { "path": "./packages/subagent/subagent-inprocess" }, + { "path": "./packages/subagent/subagent-process" }, { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, From 7ccf31a59b5227d66a95b2d52932d68b59e2b702 Mon Sep 17 00:00:00 2001 From: pku-xht Date: Thu, 9 Jul 2026 10:20:42 +0800 Subject: [PATCH 39/90] fix review finding: root-portable rm-failure injection in the config-dir test MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The best-effort-remove test provoked a real EACCES via a chmod-000 subtree, which only fails for unprivileged users — under root, recursive rm ignores permission bits, deleting the subtree: the existsSync assertion goes red and the swallow branch loses coverage, failing the per-file gate. The rejection is now injected deterministically at the node:fs/promises boundary (rm wrapped with a real-passthrough vi.fn; one test queues a single rejection), the fs-failure boundary being exactly the non-deterministic seam the testing policy sanctions mocking. Everything else in the suite stays on the real filesystem, and the swallow contract stays error-kind agnostic. --- packages/subagent/subagent-process/README.md | 2 +- .../tests/subagent-process.spec.ts | 39 +++++++++++-------- 2 files changed, 24 insertions(+), 17 deletions(-) diff --git a/packages/subagent/subagent-process/README.md b/packages/subagent/subagent-process/README.md index 597470f52a..e42bb4b611 100644 --- a/packages/subagent/subagent-process/README.md +++ b/packages/subagent/subagent-process/README.md @@ -37,4 +37,4 @@ A per-run isolated config directory for an external CLI child (the target of `CL ## Testing -`tests/subagent-process.spec.ts`: the env scrub and config-dir helpers run against the real process env and real filesystem (including an rm-failure path proving `remove()` never rejects); the exit waits and the dispose ladder run against a scriptable fake child, driving each escalation tier deterministically. The [ACP backend suite](../subagent-acp/README.md) exercises the same ladder against real subprocesses (EOF-cooperative, EOF-ignoring, and SIGTERM-trapping children) end to end. +`tests/subagent-process.spec.ts`: the env scrub and config-dir helpers run against the real process env and real filesystem (the rm-failure path injects its rejection at the fs boundary — a real recursive-rm failure is not portably provokable, and root ignores permission bits); the exit waits and the dispose ladder run against a scriptable fake child, driving each escalation tier deterministically. The [ACP backend suite](../subagent-acp/README.md) exercises the same ladder against real subprocesses (EOF-cooperative, EOF-ignoring, and SIGTERM-trapping children) end to end. diff --git a/packages/subagent/subagent-process/tests/subagent-process.spec.ts b/packages/subagent/subagent-process/tests/subagent-process.spec.ts index c4828d8498..24f2a3a97d 100644 --- a/packages/subagent/subagent-process/tests/subagent-process.spec.ts +++ b/packages/subagent/subagent-process/tests/subagent-process.spec.ts @@ -1,7 +1,7 @@ -import { describe, expect, it } from 'vitest' +import { describe, expect, it, vi } from 'vitest' import { EventEmitter } from 'node:events' import { existsSync } from 'node:fs' -import { chmod, mkdir, mkdtemp, rm, stat, writeFile } from 'node:fs/promises' +import { mkdtemp, rm, stat, writeFile } from 'node:fs/promises' import { tmpdir } from 'node:os' import { join } from 'node:path' import type { ChildProcess } from 'node:child_process' @@ -15,13 +15,24 @@ import { waitForExit, } from '../src/index.ts' +// `rm` is wrapped (real-passthrough by default) so ONE test can inject a +// rejection deterministically. A real recursive-rm failure is not portably +// provokable — permission tricks (a chmod-000 subtree) fail only for +// unprivileged users and are ignored by root — so this is the fs boundary +// the testing policy sanctions mocking; everything else stays the real fs. +vi.mock('node:fs/promises', async (importOriginal) => { + const actual = await importOriginal() + return { ...actual, rm: vi.fn(actual.rm) } +}) + /** * Unit tests for the shared out-of-process machinery. The env scrub and the * isolated-config-dir helpers run against the REAL process env and REAL - * filesystem; the exit waits and the dispose ladder run against a scriptable - * fake child so each escalation tier's timing is driven deterministically - * (the ACP backend's suite exercises the same ladder against real - * subprocesses end to end). + * filesystem (one exception: the rm-failure path injects its rejection at the + * mocked fs boundary, see above); the exit waits and the dispose ladder run + * against a scriptable fake child so each escalation tier's timing is driven + * deterministically (the ACP backend's suite exercises the same ladder + * against real subprocesses end to end). */ /** What fells a scripted {@link FakeChild}. */ @@ -287,20 +298,16 @@ describe('createIsolatedConfigDir', () => { expect(existsSync(missing)).toBe(false) }) - it('remove() is best-effort: an rm failure resolves instead of rejecting', async () => { + it('remove() is best-effort: an rm rejection resolves instead of rejecting', async () => { const dir = await createIsolatedConfigDir('dsh-subagent-process-locked-') - const locked = join(dir.path, 'locked') - await mkdir(locked) - await writeFile(join(locked, 'entry'), 'x') - // An unreadable, unwritable non-empty subdir makes recursive rm fail - // (EACCES on readdir/unlink) for a non-root user. - await chmod(locked, 0o000) try { + // The swallow contract is error-kind agnostic; EACCES stands in for the + // family (EBUSY, a vanished mount, …) that best-effort must absorb. + vi.mocked(rm).mockRejectedValueOnce(Object.assign(new Error('EACCES: permission denied'), { code: 'EACCES' })) await expect(dir.remove()).resolves.toBeUndefined() - // rm really did fail — the locked subtree is still there. - expect(existsSync(locked)).toBe(true) + // The injected rejection consumed the only rm call — nothing was deleted. + expect(existsSync(dir.path)).toBe(true) } finally { - await chmod(locked, 0o700) await rm(dir.path, { recursive: true, force: true }) } }) From 2471e2b2bb45d1f8f350571451feda04a4a8786d Mon Sep 17 00:00:00 2001 From: pku-xht Date: Thu, 9 Jul 2026 10:42:34 +0800 Subject: [PATCH 40/90] fix review finding: exitsWithin cleans up its listener and timer on both arms Each timed-out wait used to leave the once('exit') listener from its inner waitForExit attached to the child; the dispose ladder accumulates at most a couple, but in a shared library a caller polling exitsWithin in a loop would pile listeners onto one child (MaxListenersExceededWarning at 11) and retain their closures. The race now owns its wiring: the timeout arm removes the exit listener, the exit arm clears the (still unref'ed) grace timer, and an already-exited child short-circuits true without attaching anything. Tests pin listenerCount('exit') === 0 after every outcome. --- packages/subagent/subagent-process/README.md | 2 +- .../subagent/subagent-process/src/index.ts | 24 ++++++++++++++----- .../tests/subagent-process.spec.ts | 12 ++++++++++ 3 files changed, 31 insertions(+), 7 deletions(-) diff --git a/packages/subagent/subagent-process/README.md b/packages/subagent/subagent-process/README.md index e42bb4b611..e6c8e10a96 100644 --- a/packages/subagent/subagent-process/README.md +++ b/packages/subagent/subagent-process/README.md @@ -16,7 +16,7 @@ Spawn-failure capture: a promise that resolves (never rejects) with the child's ### `waitForExit(child)` / `exitsWithin(child, ms)` -Exit waits over a `ChildProcess`: resolve once the child exits by any code or signal (immediately if it is already gone), or race that against a timer (`true` = exited in time; the pending timer is `unref()`ed so a grace window never keeps the parent's event loop alive). +Exit waits over a `ChildProcess`: resolve once the child exits by any code or signal (immediately if it is already gone), or race that against a timer (`true` = exited in time). The race cleans up after itself on both outcomes — the pending timer is `unref()`ed and cleared on exit, the exit listener removed on timeout — so repeated calls (the dispose ladder's tiers, a poll loop) never accumulate listeners on the child. ### `disposeChildProcess(child, graces)` diff --git a/packages/subagent/subagent-process/src/index.ts b/packages/subagent/subagent-process/src/index.ts index b54681d3c7..219ed6b083 100644 --- a/packages/subagent/subagent-process/src/index.ts +++ b/packages/subagent/subagent-process/src/index.ts @@ -78,17 +78,29 @@ export function waitForExit(child: ChildProcess): Promise { } /** - * Race the child's exit against a timer. + * Race the child's exit against a timer. Neither outcome leaves anything + * behind on the child: the exit listener is removed on timeout and the timer + * is cleared on exit, so repeated calls (the dispose ladder's tiers, a poll + * loop) never accumulate listeners. * @param child - the child process to watch. * @param ms - the wait window in milliseconds. - * @returns `true` if the child exits within `ms`, `false` on timeout. + * @returns `true` if the child exits within `ms` (immediately if it is + * already gone), `false` on timeout. */ export function exitsWithin(child: ChildProcess, ms: number): Promise { - return Promise.race([ - waitForExit(child).then(() => true), + if (child.exitCode !== null || child.signalCode !== null) return Promise.resolve(true) + return new Promise((resolve) => { + const onExit = (): void => { + clearTimeout(timer) + resolve(true) + } // `.unref()` so a pending grace timer never keeps the parent's loop alive. - new Promise(resolve => setTimeout(() => { resolve(false) }, ms).unref()), - ]) + const timer = setTimeout(() => { + child.removeListener('exit', onExit) + resolve(false) + }, ms).unref() + child.once('exit', onExit) + }) } /** diff --git a/packages/subagent/subagent-process/tests/subagent-process.spec.ts b/packages/subagent/subagent-process/tests/subagent-process.spec.ts index 24f2a3a97d..d23f075284 100644 --- a/packages/subagent/subagent-process/tests/subagent-process.spec.ts +++ b/packages/subagent/subagent-process/tests/subagent-process.spec.ts @@ -181,15 +181,27 @@ describe('waitForExit / exitsWithin', () => { expect(fake.signalCode).toBe('SIGTERM') }) + it('exitsWithin resolves true immediately for an already-exited child (no listener attached)', async () => { + const fake = new FakeChild() + fake.exitCode = 0 + await expect(exitsWithin(asChild(fake), 1000)).resolves.toBe(true) + expect(fake.listenerCount('exit')).toBe(0) + }) + it('exitsWithin resolves true when the child exits inside the window', async () => { const fake = new FakeChild({ diesOn: 'SIGTERM', delayMs: 5 }) fake.kill('SIGTERM') await expect(exitsWithin(asChild(fake), 1000)).resolves.toBe(true) + // The once-listener fired and the grace timer was cleared — nothing lingers. + expect(fake.listenerCount('exit')).toBe(0) }) it('exitsWithin resolves false on timeout for a child that never exits', async () => { const fake = new FakeChild() // nothing short of SIGKILL fells it; no signal sent await expect(exitsWithin(asChild(fake), 20)).resolves.toBe(false) + // The timeout arm removed its exit listener: repeated waits (a poll loop, + // the ladder's tiers) never accumulate listeners on the same child. + expect(fake.listenerCount('exit')).toBe(0) }) }) From a11000030a14dd382548839894ba49b0568ab801 Mon Sep 17 00:00:00 2001 From: pku-xht Date: Thu, 9 Jul 2026 10:42:41 +0800 Subject: [PATCH 41/90] docs(subagent-acp): point the env-scrub section at its one home MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The scrub pattern and layering semantics live in the dsh-subagent-process README (the fact's home since the extraction); the ACP section restated them in full — two prose copies drift word by word until they disagree (the one-home-per-fact rule in docs/AGENTS.md). The section now links the library and keeps only the backend's own story: which credential enters via config.env and why. --- packages/subagent/subagent-acp/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/packages/subagent/subagent-acp/README.md b/packages/subagent/subagent-acp/README.md index 81bf886067..2cc330aefd 100644 --- a/packages/subagent/subagent-acp/README.md +++ b/packages/subagent/subagent-acp/README.md @@ -57,7 +57,7 @@ A spawn/transport/RPC failure resolves `error` (or `aborted` if a cancel was req ## Environment scrub -Credential-shaped ambient vars (`/KEY|SECRET|TOKEN/i`) are NOT forwarded to the child by default — the parent harness's own secrets must not leak into a spawned process implicitly. The child's OWN credentials are supplied explicitly via `config.env`, layered AFTER the scrub, so an intended `DEEPSEEK_API_KEY` survives while an incidental `AWS_SECRET_ACCESS_KEY` does not. +The child env is built by [`buildChildEnv` from `@deepseek-ai/dsh-subagent-process`](../subagent-process/README.md) — the ambient env minus credential-shaped vars, with `config.env` layered on top after the scrub; the pattern and full semantics live there. For this backend that means the parent harness's own secrets never leak into the spawned agent implicitly, while the child's OWN `DEEPSEEK_API_KEY` is supplied deliberately via `config.env` and survives. ## Testing From c321819053c29468f79adb87dc66c7ff22f37668 Mon Sep 17 00:00:00 2001 From: pku-xht Date: Thu, 9 Jul 2026 13:42:03 +0800 Subject: [PATCH 42/90] rename: @deepseek-ai/dsh-subagent-process -> @deepseek-ai/dsh-subagent-subprocess MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The extracted library's name sat one edit away from @deepseek-ai/dsh-subagent-inprocess (process/inprocess), inviting a typo'd import to silently resolve to the wrong package. subagent-subprocess also reads as the deliberate counterpart to subagent-inprocess (in-process vs. subprocess), matching how the two shared drivers actually differ. Package directory, npm name, module doc, JSDoc module tags, test-file name and its temp-dir prefixes, the subagent-acp import and its Config/tsconfig/package.json references, root tsconfig.json/tsconfig.build.json/knip.json entries, and the packages/subagent group README all renamed together; regenerated docs/module-graph.md and docs/config-catalog.md. Pure rename — no behavior, export, or Config shape changed. --- docs/config-catalog.md | 2 +- docs/module-graph.md | 8 ++++---- knip.json | 2 +- packages/subagent/README.md | 4 ++-- packages/subagent/subagent-acp/README.md | 2 +- packages/subagent/subagent-acp/package.json | 4 ++-- packages/subagent/subagent-acp/src/run.ts | 2 +- .../subagent-acp/tests/subagent-acp.spec.ts | 2 +- packages/subagent/subagent-acp/tsconfig.json | 2 +- .../README.md | 4 ++-- .../package.json | 2 +- .../src/index.ts | 2 +- .../tests/subagent-subprocess.spec.ts} | 16 ++++++++-------- .../tsconfig.json | 0 pnpm-lock.yaml | 16 ++++++++-------- tsconfig.build.json | 2 +- tsconfig.json | 2 +- 17 files changed, 36 insertions(+), 36 deletions(-) rename packages/subagent/{subagent-process => subagent-subprocess}/README.md (86%) rename packages/subagent/{subagent-process => subagent-subprocess}/package.json (93%) rename packages/subagent/{subagent-process => subagent-subprocess}/src/index.ts (99%) rename packages/subagent/{subagent-process/tests/subagent-process.spec.ts => subagent-subprocess/tests/subagent-subprocess.spec.ts} (94%) rename packages/subagent/{subagent-process => subagent-subprocess}/tsconfig.json (100%) diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 34cb543303..642a4d719a 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -884,4 +884,4 @@ Imported as libraries by other packages; a `cordis.yml` cannot load them. - `@deepseek-ai/dsh-brand` ([`packages/util/brand/src/index.ts`](../packages/util/brand/src/index.ts)) - `@deepseek-ai/dsh-hook-protocol` ([`packages/hooks/hook-protocol/src/index.ts`](../packages/hooks/hook-protocol/src/index.ts)) - `@deepseek-ai/dsh-subagent-inprocess` ([`packages/subagent/subagent-inprocess/src/index.ts`](../packages/subagent/subagent-inprocess/src/index.ts)) -- `@deepseek-ai/dsh-subagent-process` ([`packages/subagent/subagent-process/src/index.ts`](../packages/subagent/subagent-process/src/index.ts)) +- `@deepseek-ai/dsh-subagent-subprocess` ([`packages/subagent/subagent-subprocess/src/index.ts`](../packages/subagent/subagent-subprocess/src/index.ts)) diff --git a/docs/module-graph.md b/docs/module-graph.md index 57fb397e54..c0e64c1d36 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -43,8 +43,8 @@ flowchart TD pkg_subagent_acp["subagent-acp"] pkg_subagent_fork["subagent-fork"] pkg_subagent_inprocess["subagent-inprocess"] - pkg_subagent_process["subagent-process"] pkg_subagent_spawn["subagent-spawn"] + pkg_subagent_subprocess["subagent-subprocess"] pkg_tool_subagent["tool-subagent"] end subgraph group_web["packages/web"] @@ -179,7 +179,7 @@ flowchart TD pkg_subagent_acp --> pkg_agent pkg_subagent_acp --> pkg_llm pkg_subagent_acp --> pkg_subagent - pkg_subagent_acp --> pkg_subagent_process + pkg_subagent_acp --> pkg_subagent_subprocess pkg_subagent_inprocess --> pkg_agent pkg_subagent_inprocess --> pkg_llm pkg_subagent_inprocess --> pkg_session @@ -220,7 +220,7 @@ flowchart TD | Package | Group | Depends on | | --- | --- | --- | | [`brand`](../packages/util/brand) | `util` | — | -| [`subagent-process`](../packages/subagent/subagent-process) | `subagent` | — | +| [`subagent-subprocess`](../packages/subagent/subagent-subprocess) | `subagent` | — | | [`acp-snapshot`](../packages/support/acp-snapshot) | `support` | — | | [`app-boot`](../packages/ui/app-boot) | `ui` | — | | [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — | @@ -260,7 +260,7 @@ flowchart TD | [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools) | | [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | `guard` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools) | | [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tools`](../packages/core/tools) | -| [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`subagent-process`](../packages/subagent/subagent-process) | +| [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`subagent-subprocess`](../packages/subagent/subagent-subprocess) | | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | | [`hooks-claude`](../packages/hooks/hooks-claude) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | diff --git a/knip.json b/knip.json index d4c44e9aa5..ecfd431c1c 100644 --- a/knip.json +++ b/knip.json @@ -70,7 +70,7 @@ "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts", "tests/mock-acp-server.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, - "packages/subagent/subagent-process": { + "packages/subagent/subagent-subprocess": { "entry": ["tests/**/*.spec.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"], "ignoreDependencies": ["cordis"] diff --git a/packages/subagent/README.md b/packages/subagent/README.md index 38c64d22a5..87930167e9 100644 --- a/packages/subagent/README.md +++ b/packages/subagent/README.md @@ -8,10 +8,10 @@ The subagent seam: an agent delegating work to a child agent. Like the [bash](.. | `subagent-inprocess/` | Shared in-process run driver (pure lib; registers nothing) | — | | `subagent-spawn/` | In-process backend: a fresh child agent | (registers on `ctx.subagents`) | | `subagent-fork/` | In-process backend: a child seeded with the parent's completed-turn prefix | (registers on `ctx.subagents`) | -| `subagent-process/` | Shared out-of-process machinery: env scrub, dispose ladder, isolated config dirs (pure lib; registers nothing) | — | +| `subagent-subprocess/` | Shared out-of-process machinery: env scrub, dispose ladder, isolated config dirs (pure lib; registers nothing) | — | | `subagent-acp/` | Out-of-process backend: a child agent in a spawned subprocess, driven over ACP | (registers on `ctx.subagents`) | | `tool-subagent/` | Model-facing `subagent` delegation tool over `ctx.subagents` | (registers on `ctx.tools`) | -The interface lives at `subagent/subagent/`. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a pure library — both depend on it, neither on the other), the out-of-process `subagent-acp` backend builds on the `subagent-process` library (the credential env scrub, the dispose ladder, isolated config dirs) and ships alongside them here; the test-only `dsh-subagent-mock` (in [support](../support/README.md)) is separate. All **product** packages except the mock. +The interface lives at `subagent/subagent/`. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a pure library — both depend on it, neither on the other), the out-of-process `subagent-acp` backend builds on the `subagent-subprocess` library (the credential env scrub, the dispose ladder, isolated config dirs) and ships alongside them here; the test-only `dsh-subagent-mock` (in [support](../support/README.md)) is separate. All **product** packages except the mock. The proposal and design rationale: [docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md](../../docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md). diff --git a/packages/subagent/subagent-acp/README.md b/packages/subagent/subagent-acp/README.md index 2cc330aefd..7fb087dcdc 100644 --- a/packages/subagent/subagent-acp/README.md +++ b/packages/subagent/subagent-acp/README.md @@ -57,7 +57,7 @@ A spawn/transport/RPC failure resolves `error` (or `aborted` if a cancel was req ## Environment scrub -The child env is built by [`buildChildEnv` from `@deepseek-ai/dsh-subagent-process`](../subagent-process/README.md) — the ambient env minus credential-shaped vars, with `config.env` layered on top after the scrub; the pattern and full semantics live there. For this backend that means the parent harness's own secrets never leak into the spawned agent implicitly, while the child's OWN `DEEPSEEK_API_KEY` is supplied deliberately via `config.env` and survives. +The child env is built by [`buildChildEnv` from `@deepseek-ai/dsh-subagent-subprocess`](../subagent-subprocess/README.md) — the ambient env minus credential-shaped vars, with `config.env` layered on top after the scrub; the pattern and full semantics live there. For this backend that means the parent harness's own secrets never leak into the spawned agent implicitly, while the child's OWN `DEEPSEEK_API_KEY` is supplied deliberately via `config.env` and survives. ## Testing diff --git a/packages/subagent/subagent-acp/package.json b/packages/subagent/subagent-acp/package.json index 45fc6b072c..e73d861a79 100644 --- a/packages/subagent/subagent-acp/package.json +++ b/packages/subagent/subagent-acp/package.json @@ -25,7 +25,7 @@ "@deepseek-ai/dsh-agent": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-subagent": "^0.0.1", - "@deepseek-ai/dsh-subagent-process": "^0.0.1", + "@deepseek-ai/dsh-subagent-subprocess": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "dependencies": { @@ -36,7 +36,7 @@ "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-subagent": "workspace:^", - "@deepseek-ai/dsh-subagent-process": "workspace:^", + "@deepseek-ai/dsh-subagent-subprocess": "workspace:^", "@cordisjs/plugin-loader": "^1.0.0-rc.4", "cordis": "^4.0.0-rc.6" } diff --git a/packages/subagent/subagent-acp/src/run.ts b/packages/subagent/subagent-acp/src/run.ts index a94c923f46..a9fefba27c 100644 --- a/packages/subagent/subagent-acp/src/run.ts +++ b/packages/subagent/subagent-acp/src/run.ts @@ -40,7 +40,7 @@ import { import { AgentId } from '@deepseek-ai/dsh-agent' import type { ContentBlock } from '@deepseek-ai/dsh-llm' import type { SubagentResult, SubagentRun, SubagentStartRequest, SubagentStopReason } from '@deepseek-ai/dsh-subagent' -import { buildChildEnv, disposeChildProcess, spawnFailure } from '@deepseek-ai/dsh-subagent-process' +import { buildChildEnv, disposeChildProcess, spawnFailure } from '@deepseek-ai/dsh-subagent-subprocess' /** * How the client answers a child's `session/request_permission`. The first cut diff --git a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts index 6d351c71d0..92c025077a 100644 --- a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts +++ b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts @@ -6,7 +6,7 @@ import { tmpdir } from 'node:os' import { join } from 'node:path' import { fileURLToPath } from 'node:url' import SubagentService from '@deepseek-ai/dsh-subagent' -import { buildChildEnv, SENSITIVE_ENV_PATTERN } from '@deepseek-ai/dsh-subagent-process' +import { buildChildEnv, SENSITIVE_ENV_PATTERN } from '@deepseek-ai/dsh-subagent-subprocess' import type { Agent } from '@deepseek-ai/dsh-agent' import * as acp from '../src/index.ts' import { acpStopReason, acpContentText, DEFAULT_DISPOSE_EOF_GRACE_MS, DEFAULT_DISPOSE_GRACE_MS, startAcpRun, toAcpPrompt, type AcpRunSpec } from '../src/run.ts' diff --git a/packages/subagent/subagent-acp/tsconfig.json b/packages/subagent/subagent-acp/tsconfig.json index ab24f60f93..e415ace1de 100644 --- a/packages/subagent/subagent-acp/tsconfig.json +++ b/packages/subagent/subagent-acp/tsconfig.json @@ -27,7 +27,7 @@ "path": "../subagent" }, { - "path": "../subagent-process" + "path": "../subagent-subprocess" } ] } diff --git a/packages/subagent/subagent-process/README.md b/packages/subagent/subagent-subprocess/README.md similarity index 86% rename from packages/subagent/subagent-process/README.md rename to packages/subagent/subagent-subprocess/README.md index e6c8e10a96..ccc68bf31b 100644 --- a/packages/subagent/subagent-process/README.md +++ b/packages/subagent/subagent-subprocess/README.md @@ -1,4 +1,4 @@ -# @deepseek-ai/dsh-subagent-process +# @deepseek-ai/dsh-subagent-subprocess Shared machinery for **out-of-process subagent backends** — providers that spawn an external agent as a child process, such as the [ACP backend](../subagent-acp/README.md). A pure library (no provider, no registration, no Config): what every spawn-a-CLI-child backend needs to keep the parent deployment's credentials out of the child, tear the child down to quiescence, and isolate it from the host user's on-disk CLI state. Design rationale: [the Claude Code / Codex subagent backends RFC](../../../docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md). @@ -37,4 +37,4 @@ A per-run isolated config directory for an external CLI child (the target of `CL ## Testing -`tests/subagent-process.spec.ts`: the env scrub and config-dir helpers run against the real process env and real filesystem (the rm-failure path injects its rejection at the fs boundary — a real recursive-rm failure is not portably provokable, and root ignores permission bits); the exit waits and the dispose ladder run against a scriptable fake child, driving each escalation tier deterministically. The [ACP backend suite](../subagent-acp/README.md) exercises the same ladder against real subprocesses (EOF-cooperative, EOF-ignoring, and SIGTERM-trapping children) end to end. +`tests/subagent-subprocess.spec.ts`: the env scrub and config-dir helpers run against the real process env and real filesystem (the rm-failure path injects its rejection at the fs boundary — a real recursive-rm failure is not portably provokable, and root ignores permission bits); the exit waits and the dispose ladder run against a scriptable fake child, driving each escalation tier deterministically. The [ACP backend suite](../subagent-acp/README.md) exercises the same ladder against real subprocesses (EOF-cooperative, EOF-ignoring, and SIGTERM-trapping children) end to end. diff --git a/packages/subagent/subagent-process/package.json b/packages/subagent/subagent-subprocess/package.json similarity index 93% rename from packages/subagent/subagent-process/package.json rename to packages/subagent/subagent-subprocess/package.json index 218276be44..68f525dd8e 100644 --- a/packages/subagent/subagent-process/package.json +++ b/packages/subagent/subagent-subprocess/package.json @@ -1,5 +1,5 @@ { - "name": "@deepseek-ai/dsh-subagent-process", + "name": "@deepseek-ai/dsh-subagent-subprocess", "description": "Shared out-of-process subagent machinery: credential env scrub, spawn-failure capture, child-exit waits, the EOF-to-SIGTERM-to-SIGKILL dispose ladder, and isolated config dirs (pure lib; registers nothing)", "version": "0.0.1", "private": true, diff --git a/packages/subagent/subagent-process/src/index.ts b/packages/subagent/subagent-subprocess/src/index.ts similarity index 99% rename from packages/subagent/subagent-process/src/index.ts rename to packages/subagent/subagent-subprocess/src/index.ts index 219ed6b083..35d7383456 100644 --- a/packages/subagent/subagent-process/src/index.ts +++ b/packages/subagent/subagent-subprocess/src/index.ts @@ -15,7 +15,7 @@ * periods, a pinned config dir — is a PARAMETER here: defaults belong in each * consuming plugin's Config, per the no-hardcoded-tunables rule. * - * @module @deepseek-ai/dsh-subagent-process + * @module @deepseek-ai/dsh-subagent-subprocess */ import type { ChildProcess } from 'node:child_process' diff --git a/packages/subagent/subagent-process/tests/subagent-process.spec.ts b/packages/subagent/subagent-subprocess/tests/subagent-subprocess.spec.ts similarity index 94% rename from packages/subagent/subagent-process/tests/subagent-process.spec.ts rename to packages/subagent/subagent-subprocess/tests/subagent-subprocess.spec.ts index d23f075284..2766ed0a41 100644 --- a/packages/subagent/subagent-process/tests/subagent-process.spec.ts +++ b/packages/subagent/subagent-subprocess/tests/subagent-subprocess.spec.ts @@ -256,9 +256,9 @@ describe('disposeChildProcess', () => { describe('createIsolatedConfigDir', () => { it('creates a fresh private mkdtemp dir under the OS temp root', async () => { - const dir = await createIsolatedConfigDir('dsh-subagent-process-test-') + const dir = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') try { - expect(dir.path.startsWith(join(tmpdir(), 'dsh-subagent-process-test-'))).toBe(true) + expect(dir.path.startsWith(join(tmpdir(), 'dsh-subagent-subprocess-test-'))).toBe(true) const st = await stat(dir.path) expect(st.isDirectory()).toBe(true) // Private (0700) per the defensive-patterns temp-dir rule. @@ -269,8 +269,8 @@ describe('createIsolatedConfigDir', () => { }) it('creates a distinct dir per call (per-run isolation)', async () => { - const a = await createIsolatedConfigDir('dsh-subagent-process-test-') - const b = await createIsolatedConfigDir('dsh-subagent-process-test-') + const a = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') + const b = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') try { expect(a.path).not.toBe(b.path) } finally { @@ -280,7 +280,7 @@ describe('createIsolatedConfigDir', () => { }) it('remove() deletes a fresh dir recursively and is idempotent', async () => { - const dir = await createIsolatedConfigDir('dsh-subagent-process-test-') + const dir = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') await writeFile(join(dir.path, 'settings.json'), '{}') await dir.remove() expect(existsSync(dir.path)).toBe(false) @@ -289,7 +289,7 @@ describe('createIsolatedConfigDir', () => { }) it('returns a pinned dir verbatim and NEVER removes it', async () => { - const pinned = await mkdtemp(join(tmpdir(), 'dsh-subagent-process-pinned-')) + const pinned = await mkdtemp(join(tmpdir(), 'dsh-subagent-subprocess-pinned-')) try { const dir = await createIsolatedConfigDir('ignored-prefix-', pinned) expect(dir.path).toBe(pinned) @@ -302,7 +302,7 @@ describe('createIsolatedConfigDir', () => { }) it('does not create a missing pinned path (the deployment owns its lifecycle)', async () => { - const missing = join(tmpdir(), `dsh-subagent-process-missing-${process.pid}`) + const missing = join(tmpdir(), `dsh-subagent-subprocess-missing-${process.pid}`) const dir = await createIsolatedConfigDir('ignored-prefix-', missing) expect(dir.path).toBe(missing) expect(existsSync(missing)).toBe(false) @@ -311,7 +311,7 @@ describe('createIsolatedConfigDir', () => { }) it('remove() is best-effort: an rm rejection resolves instead of rejecting', async () => { - const dir = await createIsolatedConfigDir('dsh-subagent-process-locked-') + const dir = await createIsolatedConfigDir('dsh-subagent-subprocess-locked-') try { // The swallow contract is error-kind agnostic; EACCES stands in for the // family (EBUSY, a vanished mount, …) that best-effort must absorb. diff --git a/packages/subagent/subagent-process/tsconfig.json b/packages/subagent/subagent-subprocess/tsconfig.json similarity index 100% rename from packages/subagent/subagent-process/tsconfig.json rename to packages/subagent/subagent-subprocess/tsconfig.json diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 248405f643..023588835a 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -635,9 +635,9 @@ importers: '@deepseek-ai/dsh-subagent': specifier: workspace:^ version: link:../subagent - '@deepseek-ai/dsh-subagent-process': + '@deepseek-ai/dsh-subagent-subprocess': specifier: workspace:^ - version: link:../subagent-process + version: link:../subagent-subprocess cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -715,12 +715,6 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/subagent/subagent-process: - devDependencies: - cordis: - specifier: ^4.0.0-rc.6 - version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/subagent/subagent-spawn: dependencies: schemastery: @@ -773,6 +767,12 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/subagent-subprocess: + devDependencies: + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/tool-subagent: dependencies: schemastery: diff --git a/tsconfig.build.json b/tsconfig.build.json index c5318e83fe..7fc770fac7 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -51,7 +51,7 @@ { "path": "./packages/support/subagent-mock" }, { "path": "./packages/subagent/tool-subagent" }, { "path": "./packages/subagent/subagent-inprocess" }, - { "path": "./packages/subagent/subagent-process" }, + { "path": "./packages/subagent/subagent-subprocess" }, { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, diff --git a/tsconfig.json b/tsconfig.json index 8882714d50..380d5f72f5 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -62,7 +62,7 @@ { "path": "./packages/support/subagent-mock" }, { "path": "./packages/subagent/tool-subagent" }, { "path": "./packages/subagent/subagent-inprocess" }, - { "path": "./packages/subagent/subagent-process" }, + { "path": "./packages/subagent/subagent-subprocess" }, { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, From 0ba6d832f80049a6f7c7c89092619296b915b0ac Mon Sep 17 00:00:00 2001 From: pku-xht Date: Thu, 9 Jul 2026 14:19:36 +0800 Subject: [PATCH 43/90] docs: regenerate the module graph on the merged tree MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The master merge (5309ea54) resolved the module-graph conflict by hand, placing the subagent-subprocess dependency-table row ahead of util/timeout's; the generator's deterministic order (group order, util first) wants them swapped, so the freshness gate (gen-module-graph --check) failed CI's static job. Regenerated on the merged tree — a two-line swap; every other generated catalog was already resolution-fresh (regen-all changed nothing else). --- docs/module-graph.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/module-graph.md b/docs/module-graph.md index 3cb0d6c386..2b606d38db 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -229,8 +229,8 @@ flowchart TD | Package | Group | Depends on | | --- | --- | --- | | [`brand`](../packages/util/brand) | `util` | — | -| [`subagent-subprocess`](../packages/subagent/subagent-subprocess) | `subagent` | — | | [`timeout`](../packages/util/timeout) | `util` | — | +| [`subagent-subprocess`](../packages/subagent/subagent-subprocess) | `subagent` | — | | [`acp-snapshot`](../packages/support/acp-snapshot) | `support` | — | | [`app-boot`](../packages/ui/app-boot) | `ui` | — | | [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — | From 4a15c8a4794788be27a17d02a6ee1795f83375c9 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 18:13:34 +0800 Subject: [PATCH 44/90] workflow: make the seam's listener containment total MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit emitWorkflowEvent's catch rendered the thrown value with a bare String(error), which itself throws when the value's toString / Symbol.toPrimitive throws — breaking the documented containment guarantee: such a listener could fail the run mid-emit, starve later listeners, and turn the detached workflow/end settle hook into an unhandled rejection. Render through a local total fallback instead (String in a try, a fixed label when even coercion throws); local because the seam sits below every engine and cannot import an engine's renderer. Regression: a listener throwing a coercion-trap value — the emit does not propagate and later listeners still run. --- packages/workflow/workflow/src/index.ts | 31 +++++++++++++++---- .../workflow/workflow/tests/workflow.spec.ts | 16 ++++++++++ 2 files changed, 41 insertions(+), 6 deletions(-) diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index 288f6af952..0e5a03c438 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -218,11 +218,12 @@ export abstract class WorkflowService extends Service { * with its OWN structural clone of the payload (the payloads are plain JSON * data by the seam contract), so a listener mutating what it received can * corrupt neither the engine's live state nor any other listener's or later - * event's view; a thrown listener is logged (never propagated), so one bad - * subscriber can neither fail the engine mid-run, surface as an unhandled - * rejection on a detached settle hook, nor starve the listeners registered - * after it (cordis `emit` halts on the first throw — same guarantee as the - * subagent seam's lifecycle emits). + * event's view; a thrown listener is logged (never propagated — the logging + * itself is total, even for a thrown value whose own string coercion + * throws), so one bad subscriber can neither fail the engine mid-run, + * surface as an unhandled rejection on a detached settle hook, nor starve + * the listeners registered after it (cordis `emit` halts on the first throw + * — same guarantee as the subagent seam's lifecycle emits). * @param name - the `workflow/*` event to dispatch. * @param args - the event's payload, matching its declared signature. */ @@ -233,10 +234,28 @@ export abstract class WorkflowService extends Service { // dispatch callback applies the payload tuple. ;(callback as (...payload: unknown[]) => void)(...structuredClone(args)) } catch (error: unknown) { - this.ctx.logger.warn(`workflow: ${name} listener threw: ${String(error)}`) + this.ctx.logger.warn(`workflow: ${name} listener threw: ${renderListenerError(error)}`) } } } } +/** + * Total renderer for a listener-thrown value: the containment catch must never + * itself throw, and `String(error)` does when the value's own `toString` / + * `Symbol.toPrimitive` throws. Local rather than an engine package's renderer + * — the seam sits below every engine and cannot import one. + * @param error - any thrown value. + * @returns `String(error)`, or a fixed label when even coercion throws. + */ +function renderListenerError(error: unknown): string { + try { + return String(error) + } catch { + // Only a throwing toString/Symbol.toPrimitive lands here; the fixed label + // keeps the containment guarantee total. + return '[unrenderable thrown value]' + } +} + export default WorkflowService diff --git a/packages/workflow/workflow/tests/workflow.spec.ts b/packages/workflow/workflow/tests/workflow.spec.ts index b303c02962..a983e5a2b3 100644 --- a/packages/workflow/workflow/tests/workflow.spec.ts +++ b/packages/workflow/workflow/tests/workflow.spec.ts @@ -102,6 +102,22 @@ describe('dsh-workflow (interface)', () => { expect(String(warn.mock.calls[0]![0])).toContain('workflow/phase listener threw') }) + it('containment is total: a listener throwing a value whose coercion throws neither propagates nor starves later listeners', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => ctx.logger) + const reached: string[] = [] + ctx.on('workflow/phase', () => { + throw { toString: () => { throw new Error('coercion trap') } } + }) + ctx.on('workflow/phase', (_info, title) => { reached.push(title) }) + const engine = ctx.workflows as StubEngine + expect(() => { engine.emit('workflow/phase', INFO, 'Scan') }).not.toThrow() + expect(reached).toEqual(['Scan']) + expect(warn).toHaveBeenCalledOnce() + expect(String(warn.mock.calls[0]![0])).toContain('[unrenderable thrown value]') + }) + it('has the expected export surface (default = the abstract service class)', () => { expect(WorkflowServiceDefault).toBe(WorkflowService) }) From fbc9eb313c47570294a4cf53b0984276da8e6a00 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 18:16:51 +0800 Subject: [PATCH 45/90] workflow: harden the seam-contract tests ahead of the engine swap MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Three engine-agnostic pins, landed BEFORE the worker-thread port so the port commit demonstrates contract preservation against them: - tool-workflow: the tool: prompt-section registration was entirely unasserted — assemble() now pins the section present under the CONFIGURED name and gone after fiber dispose (the packages AGENTS.md dispose-and-assert-cleanup rule; tool-bash is the template). - tool-workflow: drop the dead `??` re-defaulting of already- schemastery-resolved config (the hidden-fallback shape AGENTS.md bans) and the direct-apply test that existed only to cover those branches; both engines' `config as ResolvedConfig` is the pattern. - workflow-vm: workflow/end was asserted only on completed runs — the cancelled path and the grace force-settle path now pin the event and its stopReason/error/agentsStarted payload (an observer's only death signal on those paths). --- packages/workflow/tool-workflow/src/index.ts | 7 +++++-- .../tool-workflow/tests/tool-workflow.spec.ts | 19 ++++++++----------- .../workflow-vm/tests/workflow-vm.spec.ts | 12 +++++++++++- 3 files changed, 24 insertions(+), 14 deletions(-) diff --git a/packages/workflow/tool-workflow/src/index.ts b/packages/workflow/tool-workflow/src/index.ts index a5eae80aec..22ab21ffc6 100644 --- a/packages/workflow/tool-workflow/src/index.ts +++ b/packages/workflow/tool-workflow/src/index.ts @@ -49,6 +49,8 @@ export const Config: z = z.object({ maxResultChars: z.natural().min(1).default(50_000), }) +type ResolvedConfig = Required + /** * The script-authoring contract, embedded in the tool description. This IS the * model-facing spec: the meta block, the hooks and their exact semantics, and @@ -120,8 +122,9 @@ function renderResult(run: WorkflowRun, result: WorkflowResult, maxChars: number } export function apply(ctx: Context, config: Config): void { - const maxResultChars = config.maxResultChars ?? 50_000 - const toolName = config.toolName ?? 'workflow' + // schemastery (the exported Config schema) has already filled the defaulted + // fields; the assertion records that resolution, not a hidden fallback. + const { toolName, maxResultChars } = config as ResolvedConfig // Usage policy ships with the tool (the master convention: tool guidance // lives in tool plugins as prompt sections, not in the deployment persona). ctx.systemPrompt.section({ diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts index c9e0cf3713..68daecbe37 100644 --- a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -130,17 +130,6 @@ describe('dsh-tool-workflow', () => { expect(engine.disposed).toBe(1) }) - it('applies raw-config fallbacks when loaded without schemastery defaults (direct apply)', async () => { - const ctx = new Context() - await ctx.plugin(SystemPrompt) - await ctx.plugin(ToolRegistry) - await ctx.plugin(StubEngine) - // Direct apply with an empty RAW config: the `??` fallbacks resolve the - // tool name and render cap without schemastery having filled them. - toolWorkflow.apply(ctx, {}) - expect(ctx.tools.get('workflow')).toBeDefined() - }) - it('a synchronous engine start throw (parse/meta failure) becomes an isError result', async () => { const { ctx, engine, parent } = await setup() engine.startError = new Error('script must begin with `export const meta = {...}`') @@ -192,8 +181,16 @@ describe('dsh-tool-workflow', () => { const fiber = await ctx.plugin(toolWorkflow, { toolName: 'orchestrate' }) expect(ctx.tools.get('orchestrate')).toBeDefined() expect(ctx.tools.get('workflow')).toBeUndefined() + // The usage-policy prompt section rides the same registration: present + // under the CONFIGURED name (its guidance names the tool it describes)… + const sections = (await ctx.systemPrompt.assemble()).sections + const section = sections.find(s => s.name === 'tool:orchestrate') + expect(section?.text).toContain('orchestrate') + expect(sections.some(s => s.name === 'tool:workflow')).toBe(false) await fiber.dispose() expect(ctx.tools.get('orchestrate')).toBeUndefined() + // …and gone with the fiber — a reload must not leak a stale section. + expect((await ctx.systemPrompt.assemble()).sections.some(s => s.name === 'tool:orchestrate')).toBe(false) }) it('presents a generic pending card titled by the sniffed meta name, with the script as rawInput', async () => { diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index eeda6bf049..bb685f536f 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -5,7 +5,7 @@ import { AgentId } from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import SubagentService from '@deepseek-ai/dsh-subagent' import type { SubagentCapabilities, SubagentProvider, SubagentResult, SubagentRun, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' -import type { WorkflowResult, WorkflowRunInfo } from '@deepseek-ai/dsh-workflow' +import type { WorkflowResult, WorkflowResultInfo, WorkflowRunInfo } from '@deepseek-ai/dsh-workflow' import * as vmEngineModule from '../src/index.ts' import VmWorkflowEngine, { type Config } from '../src/index.ts' @@ -534,6 +534,8 @@ describe('dsh-workflow-vm', () => { it('cancel() aborts in-flight children and settles the run cancelled', async () => { const { ctx, parent, provider } = await setup({ manual: true }) + const ends: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { ends.push(result) }) const handle = ctx.workflows.start({ script: script("return await agent('long job')"), parent }) await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) handle.cancel('user stopped it') @@ -541,6 +543,9 @@ describe('dsh-workflow-vm', () => { expect(result.stopReason).toBe('cancelled') expect(result.error).toContain('user stopped it') expect(provider.runs[0]!.disposed).toBe(true) + // workflow/end is an observer's only death signal: it fires for a + // cancelled run too, mirroring the settled outcome data. + expect(ends).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: 1 }]) await handle.dispose() }) @@ -787,6 +792,8 @@ describe('dsh-workflow-vm', () => { it('cancel() force-settles the result of a script parked on a promise no hook owns', async () => { const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) + const ends: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { ends.push(result) }) const handle = ctx.workflows.start({ // No hooks involved: an unsettleable await cancellation cannot reject // — the abandon grace is the only thing that can settle this run. @@ -797,6 +804,9 @@ describe('dsh-workflow-vm', () => { const result = await handle.result expect(result.stopReason).toBe('cancelled') expect(result.error).toContain('user aborted') + // The grace force-settle fires workflow/end exactly like an ordinary + // settlement — an abandoned script's death still reaches observers. + expect(ends).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: 0 }]) await handle.dispose() }) From b5f618bcfb1ddd95adc82f2f0bac88e4ace52bb3 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 18:39:31 +0800 Subject: [PATCH 46/90] workflow: swap the engine's internals to node:worker_threads MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In-place port of dsh-workflow-vm from the in-process node:vm execution to one worker thread per run (the workflow-workerthread engine of PR #215, adopted as THE engine): the script's vm context moves inside the worker, agent() bridges to ctx.subagents over the message port (host.ts/protocol.ts/session.ts/worker.ts are new; runtime.ts loses the abandon channel — the host's grace timer force-settles and TERMINATES instead), start() pre-parses the body host-side to keep the seam's synchronous SCRIPT_PARSE throw, and a ready→go handshake keeps a run cancelled before start from ever executing the body. start() no longer blocks the host, termination is real, and the value boundary is serialization by construction. The package keeps its name until the follow-up rename commit; scripts see the identical hook surface, and the seam-contract tests hardened ahead of this swap pass unchanged. The run and child-RPC surfaces are class-shaped rather than literal bundles: WorkerRun IMPLEMENTS the seam's WorkflowRun (id/meta are its own clone, separate from event payloads') and start() returns the instance directly — interface parity with the seam is compiler-checked; worker-side, ChildRpcBridge (implements ChildPort; callId allocation + pending book-keeping settled by onChild* entry points) and RpcChildHandle (every member an RPC keyed by its callId) carry names in stacks. ChildPort's method is startAgent — it names what it starts, matching the script-side agent() hook and the agentsStarted / workflow/agent-* vocabulary; the Child* type names deliberately stay (the worker side is cordis- and subagent-free; these are reduced JSON projections, not the seam's types). Review findings from the reference PR are folded in rather than re-introduced: - cancel() drives BOTH child-cancel channels host-side: the request signal aborts AND each registered child's explicit cancel() is called — a worker wedged in a synchronous spin cannot relay its own ChildCancel RPCs (regression: cancel-only provider + wedged worker). - All host warn paths render through the total renderThrown; a child dispose() rejecting a value whose coercion throws still acks ChildDisposed instead of wedging the script's finally (regression). - built-worker.e2e.ts is wired into builtBinSmokeGate and the AGENTS.md CI sequence — the built lib/worker.js resolution contract now runs in an automated gate. - workflow/end payload pinned on the worker-death path (with the cancelled and grace-force-settle pins riding the ported spec). - Real-Worker scripted timing budgets widened (50-300ms → 150-1000ms) for starved CI hosts. Workspace plumbing: the "./worker" subpath export sanctions the second runtime bundle (check-workspace-constraints), tsdown builds two single-entry passes, tsx becomes a devDependency for the unbuilt worker spawn. --- AGENTS.md | 2 +- .../tool-workflow/tests/tool-workflow.spec.ts | 6 +- packages/workflow/workflow-vm/README.md | 36 +- packages/workflow/workflow-vm/package.json | 10 +- packages/workflow/workflow-vm/src/host.ts | 384 +++++++ packages/workflow/workflow-vm/src/index.ts | 184 ++-- packages/workflow/workflow-vm/src/protocol.ts | 115 ++ packages/workflow/workflow-vm/src/realm.ts | 27 +- packages/workflow/workflow-vm/src/runtime.ts | 264 ++--- packages/workflow/workflow-vm/src/session.ts | 210 ++++ packages/workflow/workflow-vm/src/types.ts | 97 ++ packages/workflow/workflow-vm/src/worker.ts | 18 + .../workflow-vm/tests/built-worker.e2e.ts | 56 + .../workflow-vm/tests/integration.spec.ts | 14 +- .../workflow-vm/tests/session.spec.ts | 504 +++++++++ .../workflow-vm/tests/workflow-vm.spec.ts | 990 +++++++----------- .../workflow-vm/tests/workflow.e2e.ts | 55 +- .../workflow/workflow-vm/tsdown.config.ts | 32 + pnpm-lock.yaml | 3 + scripts/check-workspace-constraints.ts | 15 +- scripts/run-gates.ts | 4 + 21 files changed, 2073 insertions(+), 953 deletions(-) create mode 100644 packages/workflow/workflow-vm/src/host.ts create mode 100644 packages/workflow/workflow-vm/src/protocol.ts create mode 100644 packages/workflow/workflow-vm/src/session.ts create mode 100644 packages/workflow/workflow-vm/src/types.ts create mode 100644 packages/workflow/workflow-vm/src/worker.ts create mode 100644 packages/workflow/workflow-vm/tests/built-worker.e2e.ts create mode 100644 packages/workflow/workflow-vm/tests/session.spec.ts create mode 100644 packages/workflow/workflow-vm/tsdown.config.ts diff --git a/AGENTS.md b/AGENTS.md index fc33e2f049..eb34d404a0 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -70,7 +70,7 @@ printf '%s\n' "$out" | grep -q '\[tool call\] echo({"text":"ci smoke"})' printf '%s\n' "$out" | grep -q '\[tool result\] ECHO: CI SMOKE' ls .sessions/_no-cwd/main-session-*.jsonl >/dev/null rm -rf .sessions -pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts +pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts packages/workflow/workflow-vm/tests/built-worker.e2e.ts ``` `test:coverage`, not `test`, is the gating run ([why](docs/testing.md)); a sign-off counts only for commands actually run. diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts index 68daecbe37..2b6503cd45 100644 --- a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -10,7 +10,7 @@ import { WorkflowRunId, WorkflowService } from '@deepseek-ai/dsh-workflow' import type { WorkflowResult, WorkflowRun, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' import { CallId } from '@deepseek-ai/dsh-llm' import SubagentService from '@deepseek-ai/dsh-subagent' -import VmWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' +import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' import * as toolWorkflow from '../src/index.ts' /** A controllable engine standing in behind ctx.workflows (the tool's only seam). */ @@ -221,7 +221,7 @@ describe('dsh-tool-workflow', () => { expect(typeof unwrapped.apply).toBe('function') }) - describe('composition with the REAL vm engine (the mock above must stay honest)', () => { + describe('composition with the REAL worker-thread engine (the mock above must stay honest)', () => { it('an abort releases the tool even when the script parks on a promise no hook owns', async () => { // Regression for the review-found turn wedge: the tool awaits // run.result BEFORE its disposing finally, the registry and the loop @@ -234,7 +234,7 @@ describe('dsh-tool-workflow', () => { await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) await ctx.plugin(SubagentService) - await ctx.plugin(VmWorkflowEngine, { disposeGraceMs: 30 }) + await ctx.plugin(WorkerWorkflowEngine, { disposeGraceMs: 30 }) await ctx.plugin(toolWorkflow, {}) const parent = { id: AgentId('caller'), options: {} } as unknown as Agent const controller = new AbortController() diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-vm/README.md index e29073c2b3..9a0ab21fef 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-vm/README.md @@ -1,34 +1,48 @@ # @deepseek-ai/dsh-workflow-vm -The first [`WorkflowService`](../workflow/README.md) implementation: an in-process **`node:vm` engine**. It parses the Claude Code-format script (`export const meta = {...}` + plain-JS body), runs the body in a fresh vm context with the workflow hooks injected, and fans `agent()` calls out to [`ctx.subagents`](../../subagent/README.md). +The [`WorkflowService`](../workflow/README.md) implementation, on **`node:worker_threads`**: each run gets its OWN worker thread (one run = one worker, no pooling — a run is heavyweight, so the ~tens-of-ms thread spin-up is noise), the script executes in a vm context INSIDE that worker with the workflow hooks injected, and every `agent()` call bridges back over the message port to [`ctx.subagents`](../../subagent/README.md) on the host. Child agents are I/O-bound LLM loops and stay on the host event loop; the thread isolates the SCRIPT, the only part that can spin synchronously. -## Trust premise +## Trust premise: what the thread buys (and what it does not) -Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. vm is NOT a security boundary and no attempt is made to contain adversarial values: property reads on script values may run script code (a getter, a `toString`, a proxy trap) on the host stack, and a script determined to hang the process can simply spin past its first await (see the limitations below). Concretely, the context is **escapable by construction**: `node:vm` shares object machinery with the host, so a script can reach the host `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin — the absent globals are API surface that keeps honest scripts portable, not walls. What the engine DOES guarantee, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection (the app boot layer exits the process on those), values that JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing is an engine swap behind the seam (worker-thread/isolated-vm, where the boundary is serialization by construction), not incremental host-side defenses here. +Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. A worker thread is NOT a security boundary: the vm context inside it is escapable by construction (`node:vm` shares object machinery with its surrounding realm, so a script can reach the `Function` constructor via `globalThis.constructor.constructor` and from it `process` and every Node builtin), and an escapee holds the same process privileges as the host — Node's permission model is process-wide. The absent globals are API surface that keeps honest scripts portable, not walls. What the thread concretely buys: + +- **The host never blocks**: `start()` returns without running any script code on the host; a synchronous spin anywhere in the script occupies the worker's loop, not the harness's. +- **Termination is real**: a script that outlives its post-cancel grace is `worker.terminate()`d — nothing of it survives `dispose()`, where an in-process engine could only abandon the spin on its own loop. +- **Serialization by construction**: everything crossing the thread is structured-clone data, and plain JSON before that — the `materializeFromRealm` walk rejects loud what JSON cannot carry, which is also what makes every postMessage hop total. + +What the seam guarantees regardless, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection, values JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing (containing what an escaped script may touch) remains an isolated-vm/separate-process engine swap behind the seam, still deferred. ## The script contract it executes -- **Meta extraction** (`extractMeta`): a string/comment-aware brace scanner finds the leading `export const meta` literal (template interpolation rejected — the literal must be pure), evaluates it ALONE in an empty timed vm context, materializes the result to plain JSON data, validates the shape (`name`/`description` required; unknown fields rejected loud), and blanks the statement line-preservingly so error stacks keep the script's own line numbers. +- **Meta extraction** (`extractMeta`, host-side): a string/comment-aware brace scanner finds the leading `export const meta` literal (template interpolation rejected — the literal must be pure), evaluates it ALONE in an empty timed vm context, materializes the result to plain JSON data, validates the shape (`name`/`description` required; unknown fields rejected loud), and blanks the statement line-preservingly so error stacks keep the script's own line numbers. - **Hooks**: `agent(prompt, {label, phase, schema, model})` (schema = the [structured-output subset](../../core/tools/README.md), forwarded as `outputSchema`; result = validated object, or final text without a schema; a failed child resolves `null`), `parallel(thunks)`, `pipeline(items, ...stages)` with NO cross-stage barrier and `(prev, item, index)` stage callbacks, `phase(title)`, `log(message)`, and the `args` global. Anything else — `effort`/`isolation`/`agentType`, unknown options, malformed arguments, schemas outside the subset — throws a FATAL `WorkflowError` that `parallel`/`pipeline` re-throw rather than nulling (see the seam README's failure discipline). - **No ambient APIs**: no timers, filesystem, or Node APIs are injected into the context (absence is API surface, not containment — see the trust premise). +## How a run executes + +`start()` extracts and validates the meta HOST-side and parse-checks the body with the identical wrapper the worker compiles (`new vm.Script`, discarded), preserving the seam's synchronous `SCRIPT_PARSE`/`META_INVALID` throws; one redundant parse per run is the deliberate price. It then spawns the worker (`src/worker.ts` unbuilt via an explicit tsx `execArgv`; the sibling `lib/worker.js` bundle when built) with the meta, blanked body, `args`, and worker-side limits as `workerData`. + +Inside the worker, `runWorkerSession` builds the execution core (hooks, combinators, concurrency semaphore, caps, fatal-error discipline) over a **child port**: `agent()` sends `child-start` and the host starts the child on `ctx.subagents` (parent attribution, the shared per-run abort signal, `outputSchema`/`model` pass-through), replying with the child id, its settlement (a JSON projection; an infrastructure REJECTION crosses as `child-failed` and stays the fatal `AGENT_RESULT`), and dispose acks. Observer narration (`phase`/`log`/`agent-start`/`agent-end`) crosses as messages and re-emits as the seam's `workflow/*` events. A **ready→go handshake** gates the body: a cancellation racing worker boot arrives before `go`, so a run cancelled before start never executes the body at all. + ## The value boundary -Values ENTERING the host (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into host containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Getters are read ordinarily — the RESULT is what crosses; a read that throws fails loud. Values ENTERING the realm (`args`, `agent()` results, hook promises and their failures, combinator arrays) are handed over directly as host values — the script is trusted, so host prototypes are not a leak; `args` is `structuredClone`d once at start so a script scribbling on it cannot mutate the caller's object. One script-visible consequence: an error thrown by a hook is a HOST error, so `e instanceof Error` inside the script is `false` — branch on `e.name`/`e.code` instead (the combinators recognize fatality by host `instanceof`, which a script-built object can never pass, so fatal-vs-null cannot be forged or dissolved). +Values LEAVING the script (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into plain containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Getters are read ordinarily — the RESULT is what crosses; a read that throws fails loud. Values ENTERING the realm (`args`, `agent()` results, hook promises and their failures, combinator arrays) are handed over directly as worker-realm values — the script is trusted, so outer prototypes are not a leak; `args` is cloned once at start so a script scribbling on it cannot mutate the caller's object. One script-visible consequence: an error thrown by a hook is built OUTSIDE the script's vm context, so `e instanceof Error` inside the script is `false` — branch on `e.name`/`e.code` instead (the combinators recognize fatality by `instanceof` against their own realm's class, which a script-built object can never pass, so fatal-vs-null cannot be forged or dissolved). -## Limits, cancellation, disposal +## Cancellation, death, disposal -Per-run: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` aborts every child (a shared `AbortSignal`), rejects waiting `agent()` slots, and makes every future hook call throw `CANCELLED` — the script dies at its next await and the run settles `cancelled`; a cancellation that lands before the body runs (or before it settles) reports `cancelled` even if the script itself needed no hooks, and a script that STILL has not settled `disposeGraceMs` after the cancel (parked on a promise no hook owns, like `await new Promise(() => {})`) is ABANDONED with `result` force-settling `cancelled` — a consumer awaiting `result` is never wedged past a cancellation. Once a run settles, stray children a script fired without awaiting are aborted too, and `dispose()` waits for those children to finish disposing (bounded by the grace) before returning. Every hook-returned promise carries a no-op rejection consumer, so a dropped promise cannot surface an unhandled rejection; thrown script values are rendered by a total host-side renderer (stack, then message, then `String()`, with a fixed label if rendering itself throws) — `result` cannot reject. +Per-run limits: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` posts the cancel to the worker (its hooks start throwing `CANCELLED`; the script dies at its next await) and cancels every host-side child NOW on **both seam channels** — the shared request signal aborts AND each registered child's explicit `cancel()` is called host-side, because the seam leaves a provider free to honor either channel and a worker wedged in a synchronous spin could not relay its own per-child cancel RPCs (those later land as idempotent no-ops). The grace then arms: a run still unsettled `disposeGraceMs` later force-settles `cancelled` and the worker is **terminated**. A cancellation that lands before the body runs (the ready→go handshake) reports `cancelled` without executing anything; a worker `result` racing an in-flight host cancellation reports `cancelled` too (first-wins settlement — the seam-visible result had not settled when cancellation was requested); post-cancel `phase`/`log` narration is suppressed host-side, while cancelled children still deliver their paired `agent-end`. -**Documented limitations** (the accepted cost of the in-process mechanism; the seam exists so a worker-thread/isolated-vm engine can swap in): `start()` runs the script's initial synchronous slice inline, so the caller blocks until the first await or the vm `timeout`; that `timeout` covers ONLY the initial slice, so a synchronous spin past it (an await continuation, a thenable's `then` invoked by promise resolution, or script code the host runs while rendering a thrown value) cannot be killed; `dispose()` waits `disposeGraceMs` then ABANDONS such a script (its settlement stays contained, but an abandoned spin would still occupy the event loop). A returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — and the value-boundary guard applies to the resolution. +A worker that dies unexpectedly (an OOM, a script reaching `process.exit` through the documented vm escape) settles the run `stopReason: 'error'` with the exit diagnostics — or `'cancelled'` when a cancel was in flight — and the host-side child registry is what winds every surviving child down. `dispose()` = cancel + bounded wait (result, then child-registry quiescence, capped by the grace) + unconditional `worker.terminate()`: the thread never outlives its run. Once a run settles, stray children a script fired without awaiting are cancelled too, and `dispose()` waits for their disposal (bounded by the grace) before returning. + +**Engine-specific limitations**: worker startup is paid per run; on a termination path `agentsStarted` reports the HOST-observed count (accepted `child-start`s — calls still queued worker-side for a concurrency slot are unknowable then); and a returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — with the value-boundary guard applying to the resolution. ## Config | Key | Default | Meaning | |---|---|---| -| `provider` | `spawn` | The `ctx.subagents` provider children run on. | +| `provider` | `spawn` | The `ctx.subagents` provider children run on (host-side). | | `maxConcurrentAgents` | `0` (auto) | Concurrent `agent()` ceiling; `0` resolves to `min(16, max(1, cores - 2))`. | | `maxTotalAgents` | `1000` | Total `agent()` calls one run may start (runaway-loop backstop). | | `maxItemsPerCall` | `4096` | Items accepted by one `parallel()`/`pipeline()` call. | -| `syncTimeoutMs` | `5000` | vm timeout for the initial synchronous slice and the meta evaluation. | -| `disposeGraceMs` | `5000` | How long `dispose()` waits for a cancelled script and its children before abandoning them. | +| `syncTimeoutMs` | `5000` | vm timeout for the initial synchronous slice (in the worker) and the host-side meta evaluation. | +| `disposeGraceMs` | `5000` | How long a cancelled run may stay unsettled before force-settle + terminate; also bounds `dispose()`. | diff --git a/packages/workflow/workflow-vm/package.json b/packages/workflow/workflow-vm/package.json index 8b1217acc0..a174893b9c 100644 --- a/packages/workflow/workflow-vm/package.json +++ b/packages/workflow/workflow-vm/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-workflow-vm", - "description": "node:vm workflow engine: executes model-written orchestration scripts over ctx.subagents", + "description": "worker-thread workflow engine: executes model-written orchestration scripts off the host event loop, bridging agent() calls back to ctx.subagents", "version": "0.0.1", "private": true, "type": "module", @@ -11,11 +11,16 @@ "types": "./lib/types/index.d.ts", "default": "./lib/index.js" }, + "./worker": { + "types": "./lib/types/worker.d.ts", + "default": "./lib/worker.js" + }, "./src/*": "./src/*", "./package.json": "./package.json" }, "files": [ "lib/index.js", + "lib/worker.js", "lib/types/**/*.d.ts", "lib/types/**/*.d.ts.map", "src" @@ -45,6 +50,7 @@ "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "@deepseek-ai/dsh-workflow": "workspace:^", - "cordis": "^4.0.0-rc.6" + "cordis": "^4.0.0-rc.6", + "tsx": "^4.19.2" } } diff --git a/packages/workflow/workflow-vm/src/host.ts b/packages/workflow/workflow-vm/src/host.ts new file mode 100644 index 0000000000..b329e0c7d2 --- /dev/null +++ b/packages/workflow/workflow-vm/src/host.ts @@ -0,0 +1,384 @@ +/** + * The host half of one worker-engine run: spawn the Worker, bridge its child + * RPC onto `ctx.subagents`, fan its observer messages into the engine's + * events, and own cancellation, the settle-within-grace guarantee, and child + * cleanup. The worker's lifetime IS the run's lifetime: `dispose()` always + * ends with `worker.terminate()`, so no thread outlives its run. + * + * The run's `result` promise settles exactly once, from whichever of these + * lands first: the worker's `result` message (a host-side cancellation in + * flight overrides a non-cancelled report — the seam-visible result had not + * settled when cancellation was requested), an unexpected worker death + * (`error`/`messageerror`/premature `exit` → `stopReason: 'error'`, or + * `'cancelled'` when a cancel was in flight), or the post-cancel grace timer + * (a script that never settles is force-settled `cancelled` and its worker + * terminated — the real kill an in-process engine could not perform). + * + * Children live in a host-side registry (callId → run): the worker drives + * their disposal by RPC on the graceful path, and the registry is what lets + * the host abort and dispose every survivor when the worker dies or is + * terminated mid-flight. On a termination path `agentsStarted` reports the + * HOST-observed count (accepted `child-start` messages) — `agent()` calls + * still queued worker-side for a concurrency slot are unknowable then; the + * worker's own count rides the result message on every graceful path. + * + * @module @deepseek-ai/dsh-workflow-vm/host + */ + +import { fileURLToPath } from 'node:url' +import { Worker } from 'node:worker_threads' +import type { WorkerOptions } from 'node:worker_threads' +import type { Context } from 'cordis' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { assertNever } from '@deepseek-ai/dsh-llm' +import type { SubagentRun } from '@deepseek-ai/dsh-subagent' +import type { WorkflowMeta, WorkflowResult, WorkflowRun, WorkflowRunId } from '@deepseek-ai/dsh-workflow' +import { renderThrown } from './realm.ts' +import type { ExecutionObserver } from './runtime.ts' +import { HostToWorkerType, WorkerToHostType } from './protocol.ts' +import type { HostToWorkerPayloads, WorkerToHostMessage } from './protocol.ts' +import type { ChildStartRequest, WorkerInit } from './types.ts' + +/** + * Resolve the worker entry and spawn options for the current runtime shape. + * Unbuilt (tsx demos, vitest — `import.meta.url` points into `src/`), the + * entry is the TypeScript sibling and the worker needs the tsx loader + * registered explicitly: a worker thread inherits no transform pipeline from + * vitest (vite transforms in-process, not via a node loader), and passing + * execArgv explicitly also shields the worker from any loader flags the + * parent was started with. Built (`lib/index.js`), the entry is the sibling + * bundle the package tsdown config emits and no loader is needed. + * @param init - the run payload, passed as `workerData`. + * @returns the entry URL and the Worker options to spawn it with. + */ +function resolveWorkerSpawn(init: WorkerInit): { entry: URL; options: WorkerOptions } { + /* v8 ignore next 3 -- the built-output arm: tests always run unbuilt (src/); the built-worker e2e exercises this shape for real */ + if (!import.meta.url.endsWith('.ts')) { + return { entry: new URL('./worker.js', import.meta.url), options: { workerData: init } } + } + // Lazy tsx resolution: only the unbuilt shape needs it, so the built + // bundle never requires tsx to be installed. + return { + entry: new URL('./worker.ts', import.meta.url), + options: { workerData: init, execArgv: ['--import', fileURLToPath(import.meta.resolve('tsx'))] }, + } +} + +/** + * One live worker-engine run — the seam's {@link WorkflowRun}, returned by + * `start()` directly. Owns the Worker, the child registry, and the result + * settlement; `result` never rejects. `meta` is this handle's OWN clone + * (event payloads carry separate clones), so a consumer mutating it corrupts + * nothing. + */ +export class WorkerRun implements WorkflowRun { + /** Settles exactly once with the run's outcome; never rejects. */ + readonly result: Promise + private settleResolve!: (result: WorkflowResult) => void + private settled = false + private cancelReason: string | undefined + private graceTimer: NodeJS.Timeout | undefined + private readonly worker: Worker + /** Set on `exit`: the thread is gone, so posting has nowhere to go. */ + private workerGone = false + /** Accepted `child-start` messages — the terminate-path `agentsStarted` (see module doc). */ + private hostStarted = 0 + /** Live children by callId; an entry leaves ONLY after its dispose settles (quiescence = empty). */ + private readonly children = new Map() + private readonly quiescenceWaiters: (() => void)[] = [] + /** The per-run abort fanout every child start request carries. */ + private readonly controller = new AbortController() + private disposed: Promise | undefined + + constructor( + private readonly ctx: Context, + readonly id: WorkflowRunId, + readonly meta: WorkflowMeta, + private readonly parent: Agent, + init: WorkerInit, + private readonly provider: string, + private readonly disposeGraceMs: number, + private readonly observer: ExecutionObserver, + signal: AbortSignal | undefined, + ) { + this.result = new Promise((resolve) => { this.settleResolve = resolve }) + // workerData rides the structured clone: args are plain JSON by the seam + // contract, so the clone is total and doubles as the caller-isolation + // copy (a clone failure throws loud out of start()). + const { entry, options } = resolveWorkerSpawn(init) + this.worker = new Worker(entry, options) + this.worker.on('message', (message: WorkerToHostMessage) => { this.onMessage(message) }) + this.worker.on('error', (error) => { this.onWorkerDeath(`workflow worker failed: ${renderThrown(error)}`) }) + /* v8 ignore next -- messageerror: not constructible from the engine's own protocol (every payload is JSON data) */ + this.worker.on('messageerror', (error) => { this.onWorkerDeath(`workflow worker message failed to deserialize: ${renderThrown(error)}`) }) + this.worker.on('exit', (code) => { + this.workerGone = true + this.onWorkerDeath(`workflow worker exited before the run settled (exit code ${code})`) + }) + if (signal?.aborted) { + this.cancel('workflow start signal already aborted') + } else { + signal?.addEventListener('abort', () => { this.cancel('workflow signal aborted') }, { once: true }) + } + } + + /** + * Cancel the run: the worker is told (its hooks start throwing and the + * script dies at its next await), every host-side child is cancelled NOW on + * BOTH seam channels — the shared request signal aborts and each registered + * child's explicit `cancel()` is called (the seam leaves a provider free to + * honor either, and a worker wedged in a synchronous spin could not relay + * its own per-child cancel RPCs until far too late) — and the grace timer + * arms: a run still unsettled `disposeGraceMs` later force-settles + * `cancelled` and its worker is TERMINATED. Idempotent; the first reason + * wins. + * @param reason - human-readable cause (default `'workflow cancelled'`). + */ + cancel(reason?: string): void { + // A settled run has nothing left to cancel: without this guard the + // ordinary consumer path (await result, then dispose -> cancel) would arm + // a grace timer nothing ever clears, pinning the run and its Worker + // closure until the grace expires - a bounded leak per completed run. + if (this.settled || this.cancelReason !== undefined) return + this.cancelReason = reason ?? 'workflow cancelled' + this.post(HostToWorkerType.Cancel, { reason: this.cancelReason }) + this.controller.abort(this.cancelReason) + // The explicit channel is driven host-side, not left to the worker: a + // provider honoring only run.cancel() must not wait on a wedged worker's + // ChildCancel relay (those later RPCs land as idempotent no-ops). + for (const run of this.children.values()) run.cancel(this.cancelReason) + this.graceTimer = setTimeout(() => { + this.settleResult(this.cancelledResult(this.hostStarted)) + void this.worker.terminate() + }, this.disposeGraceMs) + // unref'd: an armed grace timer must never hold the process open. + this.graceTimer.unref() + } + + /** + * Cancel + bounded settle + termination. Waits (at most the grace) for the + * result and child quiescence, then terminates the worker unconditionally + * — the thread never outlives its run — and reaps whatever children + * remain (their disposal is contained, not awaited past the grace, the + * same abandonment the seam documents for a slow-disposing child). + * Idempotent; safe on every path. + * @returns resolves when the run's resources are released or abandoned. + */ + dispose(): Promise { + this.disposed ??= (async () => { + this.cancel('workflow disposed') + await Promise.race([ + (async () => { + await this.result + await this.childQuiescence() + })(), + sleep(this.disposeGraceMs), + ]) + await this.worker.terminate() + this.reapChildren('workflow disposed') + })() + return this.disposed + } + + /** Post one message to the worker (payload looked up from the tag's map entry), tolerating a thread that is already gone. */ + private post(type: T, payload: HostToWorkerPayloads[T]): void { + if (this.workerGone) return + try { + this.worker.postMessage({ type, ...payload }) + } catch (error: unknown) { + // Only a teardown race can land here (every engine message is JSON + // data, so serialization cannot fail); there is nothing left to + // deliver to — log and move on. + /* v8 ignore next -- postMessage teardown race (a throw between exit and its event): not constructible in-process */ + this.ctx.logger.warn(`workflow-vm: postMessage failed: ${renderThrown(error)}`) + } + } + + private onMessage(message: WorkerToHostMessage): void { + switch (message.type) { + case WorkerToHostType.Ready: + this.post(HostToWorkerType.Go, {}) + break + case WorkerToHostType.Phase: + // Post-cancel narration is suppressed host-side: worker-side the + // hooks throw once the cancel message is PROCESSED, but narration + // already in flight (or emitted while the cancel crossed the + // boundary) must not reach observers — nothing is emitted after + // cancel() returns. + if (this.cancelReason === undefined) this.observer.phase(message.title) + break + case WorkerToHostType.Log: + if (this.cancelReason === undefined) this.observer.log(message.message) + break + case WorkerToHostType.AgentStart: + this.observer.agentStart(message.info) + break + case WorkerToHostType.AgentEnd: + // NOT suppressed on cancel: cancelled children report their paired + // agent-end with outcome 'cancelled' (the one-pair-per-started-child + // contract holds on every stop path). + this.observer.agentEnd(message.info) + break + case WorkerToHostType.ChildStart: + this.onChildStart(message.callId, message.request) + break + case WorkerToHostType.ChildCancel: + this.children.get(message.callId)?.cancel(message.reason) + break + case WorkerToHostType.ChildDispose: + this.onChildDispose(message.callId) + break + case WorkerToHostType.Result: + this.onResult(message.result) + break + /* v8 ignore next 2 -- closed engine-owned union; the arm only makes adding a message type a compile error */ + default: + assertNever(message, 'worker-to-host message') + } + } + + private onChildStart(callId: number, request: ChildStartRequest): void { + if (this.cancelReason !== undefined) { + // The worker's start raced our cancel: refuse — a child must never + // start on an already-aborted signal (a provider subscribing only to + // future abort events would never observe it). + this.post(HostToWorkerType.ChildStartError, { callId, rendered: `workflow run cancelled: ${this.cancelReason}` }) + return + } + this.hostStarted += 1 + let run: SubagentRun + try { + run = this.ctx.subagents.start(this.provider, { + prompt: [{ type: 'text', text: request.prompt }], + parent: this.parent, + signal: this.controller.signal, + ...request.schema !== undefined ? { outputSchema: request.schema } : {}, + ...request.model !== undefined ? { agentOptions: { model: request.model } } : {}, + }) + } catch (error: unknown) { + this.post(HostToWorkerType.ChildStartError, { callId, rendered: renderThrown(error) }) + return + } + this.children.set(callId, run) + this.post(HostToWorkerType.ChildStarted, { callId, childId: run.id }) + run.result.then( + (result) => { + this.post(HostToWorkerType.ChildSettled, { + callId, + result: { + output: result.output, + ...result.structured !== undefined ? { structured: result.structured } : {}, + stopReason: result.stopReason, + }, + }) + }, + (error: unknown) => { this.post(HostToWorkerType.ChildFailed, { callId, rendered: renderThrown(error) }) }, + ) + } + + private onChildDispose(callId: number): void { + const run = this.children.get(callId) + /* v8 ignore next 5 -- dispose RPC for an already-reaped child: only a worker-death race can produce it, not orderable in-process */ + if (run === undefined) { + // Already reaped — the ack is still owed (the worker-side wrapper awaits it). + this.post(HostToWorkerType.ChildDisposed, { callId }) + return + } + void run.dispose().then( + () => { + this.finishChild(callId) + this.post(HostToWorkerType.ChildDisposed, { callId }) + }, + (error: unknown) => { + // The subagent seam's dispose() is not supposed to reject; a backend + // that does anyway must not wedge the script's finally (which awaits + // the ack) — ack and move on. + this.ctx.logger.warn(`workflow-vm: child dispose failed: ${renderThrown(error)}`) + this.finishChild(callId) + this.post(HostToWorkerType.ChildDisposed, { callId }) + }, + ) + } + + /** Drop a child from the registry, releasing quiescence waiters at zero. */ + private finishChild(callId: number): void { + this.children.delete(callId) + if (this.children.size === 0) { + for (const waiter of this.quiescenceWaiters.splice(0)) waiter() + } + } + + /** Resolves once the child registry is empty (every disposal settled). */ + private childQuiescence(): Promise { + if (this.children.size === 0) return Promise.resolve() + return new Promise((resolve) => { this.quiescenceWaiters.push(resolve) }) + } + + /** Abort + dispose every registered child (worker death / final teardown); disposal is contained, not awaited. */ + private reapChildren(reason: string): void { + this.controller.abort(this.cancelReason ?? reason) + for (const [callId, run] of [...this.children]) { + run.cancel(this.cancelReason ?? reason) + void run.dispose().then( + () => { this.finishChild(callId) }, + (error: unknown) => { + this.ctx.logger.warn(`workflow-vm: child dispose failed during reap: ${renderThrown(error)}`) + this.finishChild(callId) + }, + ) + } + } + + private onResult(result: WorkflowResult): void { + // The worker's settle-reap already child-cancel()s every stray; this + // abort fires the seam signal too, for providers that only honor the + // request signal (both channels, on every path). + if (this.cancelReason === undefined) this.controller.abort('workflow settled') + if (this.cancelReason !== undefined && result.stopReason !== 'cancelled') { + // The script settled while our cancel was crossing the thread boundary + // — the seam-visible result had NOT settled when cancellation was + // requested, so report cancelled (the vm drive()'s post-settle check, + // relocated to the receiving side of the race). + this.settleResult(this.cancelledResult(result.agentsStarted)) + return + } + this.settleResult(result) + } + + /** An unexpected worker death (or the expected exit after termination). */ + private onWorkerDeath(message: string): void { + // Whatever the worker left behind must not leak — abort + dispose it all. + if (this.children.size > 0) this.reapChildren('workflow worker gone') + // settleResult no-ops on an already-settled run (the expected exit after + // a dispose's terminate lands here too). + if (this.cancelReason !== undefined) { + this.settleResult(this.cancelledResult(this.hostStarted)) + return + } + this.settleResult({ value: null, stopReason: 'error', error: message, agentsStarted: this.hostStarted }) + } + + private cancelledResult(agentsStarted: number): WorkflowResult { + // cancel() is the only writer of cancelReason and every caller checks it + // first; the fallback guards the type, not a reachable path. + /* v8 ignore next */ + const reason = this.cancelReason ?? 'workflow cancelled' + return { value: null, stopReason: 'cancelled', error: `workflow run cancelled: ${reason}`, agentsStarted } + } + + /** First settle wins; disarms the grace timer. */ + private settleResult(result: WorkflowResult): void { + if (this.settled) return + this.settled = true + clearTimeout(this.graceTimer) + this.settleResolve(result) + } +} + +/** A plain timer sleep (the dispose grace); unref'd so it never holds the process open. */ +function sleep(ms: number): Promise { + return new Promise((resolve) => { + const timer = setTimeout(resolve, ms) + timer.unref() + }) +} diff --git a/packages/workflow/workflow-vm/src/index.ts b/packages/workflow/workflow-vm/src/index.ts index c1300427a2..1b65381bfb 100644 --- a/packages/workflow/workflow-vm/src/index.ts +++ b/packages/workflow/workflow-vm/src/index.ts @@ -1,39 +1,37 @@ /** - * The `node:vm` workflow engine: the first {@link WorkflowService} - * implementation. Parses the Claude Code-format script (meta + body), runs the - * body in a fresh in-process vm context with the workflow hooks injected, and - * fans `agent()` calls out to `ctx.subagents`. + * The `node:worker_threads` workflow engine: the {@link WorkflowService} + * implementation. Runs each script in its OWN worker thread (one run = one + * worker, no pooling — a run is heavyweight, so thread spin-up is noise): the + * body executes in a vm context INSIDE the worker with the workflow hooks + * injected, and `agent()` calls bridge back to `ctx.subagents` over the + * message port — child agents are I/O-bound LLM loops and stay on the host + * event loop; the thread isolates the SCRIPT, the only part that can spin + * synchronously. * * TRUST PREMISE: scripts are MODEL-WRITTEN — the same trust level as the * model's existing bash access — so this engine defends against BUGGY - * scripts, never hostile ones. vm is NOT a security boundary and no attempt - * is made to contain adversarial values (see ./realm.ts); the context is - * escapable by construction (the host `Function` constructor is reachable via - * `globalThis.constructor.constructor`, and `process` from there), so the - * absent globals are API surface, not containment. Genuine sandboxing is an - * engine swap behind the seam (worker-thread/isolated-vm), not incremental - * host-side defenses here. + * scripts, never hostile ones. A worker thread is NOT a security boundary: + * the vm context inside it is escapable by construction, and an escapee + * holds the same process privileges as the host (Node's permission model is + * process-wide); genuine sandboxing (isolated-vm, a separate process) is an + * engine swap behind the seam. What the thread buys, concretely: * - * Engine limitations, documented as the accepted cost of the in-process - * mechanism: + * - `start()` never blocks the host: the script's initial synchronous slice + * (and any later synchronous spin) occupies the WORKER's event loop, not + * the harness's. + * - Termination is REAL: a script that outlives its post-cancel grace is + * `worker.terminate()`d — nothing of the script survives `dispose()`, + * where an in-process engine could only abandon the spin on its own loop. + * - The value boundary is serialization by construction: everything crossing + * the thread is structured-clone data (and plain JSON before that, by the + * materialization walk in ./realm.ts). * - * - `start()` runs the script's initial SYNCHRONOUS slice inline, so the - * CALLER blocks on the host event loop until the script's first await (or - * the vm `timeout` kills the slice); the meta-literal evaluation has its - * own timeout budget on the same call. - * - The vm `timeout` covers only that initial slice; realm code running past - * it — an await continuation, a thenable's `then` invoked by promise - * resolution (including one the script RETURNS: a returned thenable - * resolves per JavaScript semantics before materialization, which is what - * makes an un-awaited `return agent('x')` work) — is beyond the timeout, so - * a synchronous spin there cannot be killed in-process, and neither can - * script code the host invokes while rendering a failure (a getter on a - * thrown value). `dispose()` waits a bounded grace for the script to settle - * AND its children (stray `agent()` calls included) to finish disposing, - * then ABANDONS whatever is left: pending hook promises are already - * rejected and the script's settlement is contained (no unhandled - * rejection), but an abandoned synchronous spin would still occupy the - * event loop. + * Engine-specific limitations: worker startup (~tens of ms) is paid per run; + * on a termination path `agentsStarted` reports the host-observed child + * count (calls still queued worker-side for a slot are unknowable — see + * ./host.ts); and a worker that dies unexpectedly (an OOM, a script reaching + * `process.exit` through the documented vm escape) settles the run + * `stopReason: 'error'` with the exit diagnostics. * * Plugin export shape: a default-exported {@link WorkflowService} subclass * (the class-based service form, like `dsh-bash-local`). @@ -43,16 +41,29 @@ import { randomUUID } from 'node:crypto' import { availableParallelism } from 'node:os' +import * as vm from 'node:vm' import type { Context } from 'cordis' import z from 'schemastery' -import WorkflowService, { WorkflowRunId } from '@deepseek-ai/dsh-workflow' -import type { WorkflowResult, WorkflowRun, WorkflowRunInfo, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' +import WorkflowService, { WorkflowError, WorkflowRunId } from '@deepseek-ai/dsh-workflow' +import type { WorkflowRun, WorkflowRunInfo, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' +import { WorkerRun } from './host.ts' import { extractMeta } from './meta.ts' -import { WorkflowExecution, type ExecutionLimits } from './runtime.ts' +import type { WorkerInit, WorkerLimits } from './types.ts' export { extractMeta, type ExtractedScript } from './meta.ts' +export { HostToWorkerType, WorkerToHostType } from './protocol.ts' +export type { HostToWorkerMessage, HostToWorkerPayloads, WorkerToHostMessage, WorkerToHostPayloads } from './protocol.ts' export { materializeFromRealm, MaterializeError } from './realm.ts' -export { WorkflowExecution, type ExecutionLimits, type ExecutionObserver } from './runtime.ts' +export { WorkflowExecution, type ExecutionObserver } from './runtime.ts' +export { requireParentPort, runWorkerSession } from './session.ts' +export type { + ChildHandle, + ChildPort, + ChildResult, + ChildStartRequest, + WorkerInit, + WorkerLimits, +} from './types.ts' /** Plugin config (all optional — `static Config` supplies the defaults). */ export interface Config { @@ -64,12 +75,12 @@ export interface Config { maxTotalAgents?: number /** Items accepted by a single `parallel()`/`pipeline()` call (default 4096). */ maxItemsPerCall?: number - /** vm timeout for the script's initial synchronous slice AND the meta-literal evaluation (default 5000 ms). */ + /** vm timeout for the initial synchronous slice (inside the worker) AND the host-side meta evaluation (default 5000 ms). */ syncTimeoutMs?: number /** * How long after a cancellation an unsettled script may keep running before - * it is abandoned and `result` force-settles `cancelled` (default 5000 ms); - * also bounds `dispose()`. + * the run force-settles `cancelled` and its worker is TERMINATED (default + * 5000 ms); also bounds `dispose()`. */ disposeGraceMs?: number } @@ -77,11 +88,27 @@ export interface Config { type ResolvedConfig = Required /** - * The vm engine service. `start()` validates the script up front (meta + - * body compile) and returns a {@link WorkflowRun} whose `result` never - * rejects; the `workflow/*` events fire around the run per the seam contract. + * Parse-check the body with the SAME wrapper the worker-side runtime + * compiles, so `start()` keeps the seam's synchronous `SCRIPT_PARSE` throw + * (the worker's own compile happens a thread away, after `start()` returned). + * One redundant parse per run, bought deliberately for the contract. */ -export class VmWorkflowEngine extends WorkflowService { +function assertBodyParses(body: string, name: string): void { + try { + // Parse only — the script object is discarded, nothing executes. + void new vm.Script(`(async () => {\n${body}\n})()`, { filename: `workflow:${name}`, lineOffset: -1 }) + } catch (error: unknown) { + throw new WorkflowError(`workflow script does not parse: ${String(error)}`, 'SCRIPT_PARSE', { cause: error }) + } +} + +/** + * The worker-thread engine service. `start()` validates the script up front + * (meta + a host-side body parse) and returns a {@link WorkflowRun} whose + * `result` never rejects; the `workflow/*` events fire around the run per + * the seam contract. + */ +export class WorkerWorkflowEngine extends WorkflowService { static inject = ['subagents'] static Config: z = z.object({ @@ -103,51 +130,56 @@ export class VmWorkflowEngine extends WorkflowService { } /** - * Parse and execute a workflow script. Throws {@link WorkflowError} - * synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot - * begin; once a run is returned, every failure resolves through - * `result.stopReason` instead. + * Parse and execute a workflow script in a fresh worker thread. Throws + * {@link WorkflowError} synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a + * script that cannot begin; once a run is returned, every failure resolves + * through `result.stopReason` instead. * @param request - the script, its `args`, the parent agent, and an * optional cancel signal. * @returns the live run (its `result` resolves when the script settles). */ start(request: WorkflowStartRequest): WorkflowRun { const { meta, body } = extractMeta(request.script, this.config.syncTimeoutMs) + assertBodyParses(body, meta.name) const id = WorkflowRunId(randomUUID()) // The event payloads and the run handle get SEPARATE meta clones: a // listener mutating its snapshot must not corrupt the holder's view. const info: WorkflowRunInfo = { id, meta: structuredClone(meta) } - const limits: ExecutionLimits = { - provider: this.config.provider, + const limits: WorkerLimits = { maxConcurrentAgents: this.config.maxConcurrentAgents === 0 ? Math.min(16, Math.max(1, availableParallelism() - 2)) : this.config.maxConcurrentAgents, maxTotalAgents: this.config.maxTotalAgents, maxItemsPerCall: this.config.maxItemsPerCall, syncTimeoutMs: this.config.syncTimeoutMs, - disposeGraceMs: this.config.disposeGraceMs, } - const execution = new WorkflowExecution( - this.ctx, + const init: WorkerInit = { meta, body, - request.parent, - request.args, - request.signal, + ...request.args !== undefined ? { args: request.args } : {}, limits, + } + const workerRun = new WorkerRun( + this.ctx, + id, + structuredClone(meta), + request.parent, + init, + this.config.provider, + this.config.disposeGraceMs, { phase: (title) => { this.emitWorkflowEvent('workflow/phase', info, title) }, log: (message) => { this.emitWorkflowEvent('workflow/log', info, message) }, agentStart: (agent) => { this.emitWorkflowEvent('workflow/agent-start', info, agent) }, agentEnd: (agent) => { this.emitWorkflowEvent('workflow/agent-end', info, agent) }, }, + request.signal, ) this.emitWorkflowEvent('workflow/start', info) - const result: Promise = execution.drive() // `workflow/end` fires as the (never-rejecting) result settles, with the // outcome DATA only — the value stays with the run's holder. - void result.then((settled) => { + void workerRun.result.then((settled) => { this.emitWorkflowEvent('workflow/end', info, { stopReason: settled.stopReason, ...settled.error !== undefined ? { error: settled.error } : {}, @@ -155,46 +187,8 @@ export class VmWorkflowEngine extends WorkflowService { }) }) - let disposed: Promise | undefined - return { - id, - meta: structuredClone(meta), - result, - cancel(reason?: string): void { - execution.cancel(reason) - }, - dispose: (): Promise => { - // Idempotent: cancel, then wait min(settle + child quiescence, grace). - // The cancel itself bounds `result` (the execution abandons a script - // still unsettled `disposeGraceMs` later), so this outer race exists - // for CHILD quiescence: a slow-disposing child must not hold dispose - // past the grace. `result` and `quiesce()` never reject, so the race - // needs no rejection handling. - disposed ??= (async () => { - execution.cancel('workflow disposed') - await Promise.race([ - (async () => { - await result - // The result settles with the SCRIPT; stray children a script - // fired without awaiting are still winding down — dispose must - // not return while they hold live resources. - await execution.quiesce() - })(), - sleep(this.config.disposeGraceMs), - ]) - })() - return disposed - }, - } + return workerRun } } -/** A plain timer sleep (the dispose grace); unref'd so it never holds the process open. */ -function sleep(ms: number): Promise { - return new Promise((resolve) => { - const timer = setTimeout(resolve, ms) - timer.unref() - }) -} - -export default VmWorkflowEngine +export default WorkerWorkflowEngine diff --git a/packages/workflow/workflow-vm/src/protocol.ts b/packages/workflow/workflow-vm/src/protocol.ts new file mode 100644 index 0000000000..293676706e --- /dev/null +++ b/packages/workflow/workflow-vm/src/protocol.ts @@ -0,0 +1,115 @@ +/** + * The host⇄worker wire protocol: one string-valued enum of message tags per + * direction, a payload map giving each tag its parameters (the single source + * of truth), and the message unions derived from them. Everything in a + * payload is plain JSON data by construction (the runtime materializes + * script values before they reach a message; the host projects seam results + * down to their JSON fields), so the structured-clone hop never meets a + * value it cannot carry. + * + * Both directions are CLOSED (engine-owned): each side switches on `type` + * and ends with `assertNever` — an unknown message is a protocol bug, never + * something to skip silently. Senders go through a generic + * `post(type, payload)` whose payload parameter is looked up from the map, + * so a tag/payload mismatch is a compile error at the call site. + * + * @module @deepseek-ai/dsh-workflow-vm/protocol + */ + +import type { WorkflowAgentEndInfo, WorkflowAgentInfo, WorkflowResult } from '@deepseek-ai/dsh-workflow' +import type { ChildResult, ChildStartRequest } from './types.ts' + +/** Message tags the worker sends the host (the wire values are the tag strings). */ +export enum WorkerToHostType { + /** The startup handshake: the session is listening and awaits {@link HostToWorkerType.Go}. */ + Ready = 'ready', + /** Observer narration: a `phase(title)` call. */ + Phase = 'phase', + /** Observer narration: a `log(message)` call. */ + Log = 'log', + /** Observer lifecycle: one `agent()` call started a child. */ + AgentStart = 'agent-start', + /** Observer lifecycle: one `agent()` call settled. */ + AgentEnd = 'agent-end', + /** Child RPC: start a child on the host (answered by ChildStarted or ChildStartError). */ + ChildStart = 'child-start', + /** Child RPC: cancel a started child (fire-and-forget). */ + ChildCancel = 'child-cancel', + /** Child RPC: dispose a started child (answered by ChildDisposed). */ + ChildDispose = 'child-dispose', + /** The run's single terminal result. */ + Result = 'result', +} + +/** The payload each worker→host tag carries. */ +export interface WorkerToHostPayloads { + /** Ready carries nothing. */ + [WorkerToHostType.Ready]: Record + /** The phase title, verbatim. */ + [WorkerToHostType.Phase]: { title: string } + /** The logged message, verbatim. */ + [WorkerToHostType.Log]: { message: string } + /** The call's sequence number, label, phase, and child id. */ + [WorkerToHostType.AgentStart]: { info: WorkflowAgentInfo } + /** The call identity plus its outcome. */ + [WorkerToHostType.AgentEnd]: { info: WorkflowAgentEndInfo } + /** The RPC correlation id and the prompt plus validated options. */ + [WorkerToHostType.ChildStart]: { callId: number; request: ChildStartRequest } + /** The RPC correlation id and the cancel reason (undefined = unspecified). */ + [WorkerToHostType.ChildCancel]: { callId: number; reason: string | undefined } + /** The RPC correlation id of the child to dispose. */ + [WorkerToHostType.ChildDispose]: { callId: number } + /** The run's terminal outcome. */ + [WorkerToHostType.Result]: { result: WorkflowResult } +} + +/** Message tags the host sends the worker (the wire values are the tag strings). */ +export enum HostToWorkerType { + /** Releases the startup gate: run the script body. */ + Go = 'go', + /** Cancel the run: hooks start throwing and the script dies at its next await. */ + Cancel = 'cancel', + /** Child RPC reply: the start succeeded (exactly one of ChildStarted/ChildStartError per ChildStart). */ + ChildStarted = 'child-started', + /** Child RPC reply: the start was refused or threw. */ + ChildStartError = 'child-start-error', + /** Child RPC: a started child's result RESOLVED (its JSON projection). */ + ChildSettled = 'child-settled', + /** Child RPC: a started child's result REJECTED (an infrastructure fault, rendered). */ + ChildFailed = 'child-failed', + /** Child RPC reply: a requested disposal completed. */ + ChildDisposed = 'child-disposed', +} + +/** The payload each host→worker tag carries. */ +export interface HostToWorkerPayloads { + /** Go carries nothing. */ + [HostToWorkerType.Go]: Record + /** The cancel reason, canonical for the whole run. */ + [HostToWorkerType.Cancel]: { reason: string } + /** The RPC correlation id and the child agent's id (minted by the subagent seam). */ + [HostToWorkerType.ChildStarted]: { callId: number; childId: string } + /** The RPC correlation id and the rendered start failure. */ + [HostToWorkerType.ChildStartError]: { callId: number; rendered: string } + /** The RPC correlation id and the child's terminal result projection. */ + [HostToWorkerType.ChildSettled]: { callId: number; result: ChildResult } + /** The RPC correlation id and the rendered infrastructure fault. */ + [HostToWorkerType.ChildFailed]: { callId: number; rendered: string } + /** The RPC correlation id of the completed disposal. */ + [HostToWorkerType.ChildDisposed]: { callId: number } +} + +/** + * One worker→host message of tag `T`; unparameterized, the closed union over + * every tag (a discriminated union — `switch` on `type` narrows). + */ +export type WorkerToHostMessage = + { [K in T]: { type: K } & WorkerToHostPayloads[K] }[T] + +/** + * One host→worker message of tag `T`; unparameterized, the closed union over + * every tag (a discriminated union — `switch` on `type` narrows). + */ +export type HostToWorkerMessage = + { [K in T]: { type: K } & HostToWorkerPayloads[K] }[T] + diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-vm/src/realm.ts index f5a2665626..017de76069 100644 --- a/packages/workflow/workflow-vm/src/realm.ts +++ b/packages/workflow/workflow-vm/src/realm.ts @@ -1,7 +1,10 @@ /** - * The vm engine's value boundary: copy script-realm values into plain host - * JSON data — loud about everything JSON cannot carry — and render thrown - * script values to failure text. + * The engine's value boundary: copy script-realm values into plain JSON data + * — loud about everything JSON cannot carry — and render thrown script + * values to failure text. The script runs in a vm context INSIDE the worker + * thread, so "host" here means the worker-side JavaScript around that + * context; everything that later crosses the thread boundary is JSON by this + * walk, which is what makes the postMessage hop total. * * TRUST PREMISE (everything in this module hangs on it): workflow scripts are * MODEL-WRITTEN, the same trust level as the model's existing bash access, so @@ -13,18 +16,16 @@ * properties ordinarily (a getter runs, and whatever it returns is what * crosses), {@link renderThrown} reads `stack`/`message`/`String()` directly, * and a proxy is walked through its traps. A hostile script gains nothing - * worth defending here — it can already occupy the event loop forever with a - * synchronous spin past the first await (the engine's documented, accepted - * limitation) — so host-side hostile-value containment would be cost without - * a threat model; genuine hardening is an ENGINE SWAP (worker/isolated-vm, - * where the boundary is serialization by construction), not incremental - * defenses here. + * worth defending here — the vm context inside the worker is escapable by + * construction, so hostile-value containment would be cost without a threat + * model (what the worker thread DOES buy is that a spin occupies the + * worker's loop, not the host's, and termination is real). * * The host→realm direction needs no machinery at all: hooks hand the script - * plain host values, host prototypes included — the script is trusted. One - * consequence is documented in the engine README: an error thrown by a hook - * is a HOST error, so an in-script `instanceof Error` check is false; read - * `name`/`code`/`message` instead. + * plain values of the worker realm, prototypes included — the script is + * trusted. One consequence is documented in the engine README: an error + * thrown by a hook is built OUTSIDE the script's vm context, so an in-script + * `instanceof Error` check is false; read `name`/`code`/`message` instead. * * @module @deepseek-ai/dsh-workflow-vm/realm */ diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-vm/src/runtime.ts index c4e5d1c651..3005520fa0 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-vm/src/runtime.ts @@ -1,40 +1,44 @@ /** - * Per-run execution state for the vm workflow engine: the script context and - * its injected hooks (`agent`/`parallel`/`pipeline`/`phase`/`log`/`args`), the - * concurrency semaphore and caps, cancellation, and the drive loop that turns - * a script settlement into a {@link WorkflowResult}. + * Per-run execution state for the engine's THREAD side: the script's vm + * context and its injected hooks (`agent`/`parallel`/`pipeline`/`phase`/ + * `log`/`args`), the concurrency semaphore and caps, cancellation, and the + * drive loop that turns a script settlement into a {@link WorkflowResult}. + * Children are started by RPC to the host through a {@link ChildPort}, so + * this module never touches a cordis context — it runs inside the worker + * thread. * * Value boundary (the trust premise lives in ./realm.ts): values ENTERING the - * host from the script (hook options, schemas, the return value) are - * materialized by `materializeFromRealm` — a plain walk that rejects loud - * everything JSON cannot carry. Values ENTERING the realm (`args`, `agent()` - * results, hook promises and their failures, combinator arrays) are handed - * over DIRECTLY as host values: the script is model-written and trusted, so - * host prototypes are not a leak. `args` is host-side `structuredClone`d once - * at start so a script scribbling on it cannot mutate the caller's object — - * that is a benign-bug guard, not isolation. Realm functions (pipeline - * stages, parallel thunks) are called, not materialized — their values stay - * realm-side until they cross through a hook or the final return. + * worker-side host code from the script (hook options, schemas, the return + * value) are materialized by `materializeFromRealm` — a plain walk that + * rejects loud everything JSON cannot carry, which also makes every value + * safe for the later postMessage hop. Values ENTERING the realm (`args`, + * `agent()` results, hook promises and their failures, combinator arrays) are + * handed over DIRECTLY as worker-realm values: the script is model-written + * and trusted, so outer prototypes are not a leak. `args` is cloned once at + * start so a script scribbling on it cannot mutate the session's init object + * (a benign-bug guard; the postMessage clone already isolated the caller). * * Failure discipline: fatal {@link WorkflowError}s (bad hook arguments, - * unsupported options/schemas, tripped caps, seam start failures and result - * rejections, cancellation) ALWAYS propagate through `parallel`/`pipeline` — - * recognized by host `instanceof`, which a script cannot forge — and the - * per-item `null` is reserved for child-run failures and ordinary in-stage - * script errors. - * Every hook-returned promise gets a no-op rejection consumer attached, so a - * script that drops a promise (fires an `agent()` without awaiting it) cannot - * surface an unhandled rejection when cancellation rejects it — the app boot - * layer exits the process on unhandled rejections. + * unsupported options/schemas, tripped caps, host start refusals and child + * result rejections, cancellation) ALWAYS propagate through + * `parallel`/`pipeline` — recognized by `instanceof` against this realm's + * class, which a script inside the vm context cannot forge — and the per-item + * `null` is reserved for child-run failures and ordinary in-stage script + * errors. Every hook-returned promise gets a no-op rejection consumer, so a + * dropped promise cannot surface an unhandled rejection (which would kill the + * worker and read as an engine fault). + * + * There is deliberately NO worker-side abandon channel: a script that never + * settles after a cancel simply never posts a result, and the HOST enforces + * the settles-within-grace guarantee by force-settling `cancelled` and + * terminating the worker — the real kill an in-process engine could not have. * * @module @deepseek-ai/dsh-workflow-vm/runtime */ import * as vm from 'node:vm' -import type { Context } from 'cordis' +import { AgentId } from '@deepseek-ai/dsh-agent' import type { ContentBlock } from '@deepseek-ai/dsh-llm' -import type { Agent } from '@deepseek-ai/dsh-agent' -import type {} from '@deepseek-ai/dsh-subagent' import { assertSupportedOutputSchema, OutputSchemaError } from '@deepseek-ai/dsh-tools' import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' import { isFatalWorkflowError, WorkflowError } from '@deepseek-ai/dsh-workflow' @@ -45,24 +49,9 @@ import type { WorkflowResult, } from '@deepseek-ai/dsh-workflow' import { materializeFromRealm, MaterializeError, renderThrown } from './realm.ts' +import type { ChildHandle, ChildPort, WorkerLimits } from './types.ts' -/** The per-run knobs the engine resolves from its Config. */ -export interface ExecutionLimits { - /** The `ctx.subagents` provider name to start children on. */ - provider: string - /** Concurrent `agent()` ceiling (already auto-resolved; ≥ 1). */ - maxConcurrentAgents: number - /** Total `agent()` calls per run (the runaway-loop backstop). */ - maxTotalAgents: number - /** Items accepted by one `parallel()`/`pipeline()` call. */ - maxItemsPerCall: number - /** vm timeout for the script's initial synchronous slice. */ - syncTimeoutMs: number - /** How long after `cancel()` a still-unsettled script is abandoned (result force-settles `cancelled`). */ - disposeGraceMs: number -} - -/** The engine-side observers the execution reports progress through. */ +/** The observers the execution reports progress through (the session posts them to the host). */ export interface ExecutionObserver { phase(title: string): void log(message: string): void @@ -91,9 +80,9 @@ function defaultLabel(prompt: string): string { } /** - * One live script execution. Constructed per run by the engine; `drive()` is - * called exactly once and NEVER rejects — every failure becomes a - * {@link WorkflowResult} with a non-`completed` stop reason. + * One live script execution inside the worker. Constructed per run by the + * session; `drive()` is called exactly once and NEVER rejects — every failure + * becomes a {@link WorkflowResult} with a non-`completed` stop reason. */ export class WorkflowExecution { /** 1-based count of `agent()` calls started (the `agentsStarted` result field). */ @@ -106,36 +95,19 @@ export class WorkflowExecution { private currentPhase: string | undefined private readonly context: vm.Context private readonly compiled: vm.Script - /** Every live `agent()` call promise — awaited or stray — for {@link quiesce}. */ - private readonly inFlightAgents = new Set>() - /** Fires {@link abandoned}; assigned by the promise executor at field initialization. */ - private declareAbandoned!: () => void - private abandonTimer: NodeJS.Timeout | undefined - /** - * Rejects `disposeGraceMs` after {@link cancel} if the script has not - * settled by then. `drive()` races the script against it, so `result` - * ALWAYS settles within the grace of a cancellation — even when the script - * is parked on a promise no hook owns (`await new Promise(() => {})`), which - * cancellation cannot reject. Without this, a consumer awaiting `result` - * before disposing (the tool's shape) would hang forever on such a script, - * wedging its caller past any abort. - */ - private readonly abandoned = new Promise((_, reject) => { - this.declareAbandoned = () => { reject(new WorkflowError('workflow script abandoned after the cancellation grace', 'CANCELLED')) } - }) constructor( - private readonly ctx: Context, meta: WorkflowMeta, body: string, - private readonly parent: Agent, args: unknown, - signal: AbortSignal | undefined, - private readonly limits: ExecutionLimits, + private readonly limits: WorkerLimits, private readonly observer: ExecutionObserver, + private readonly children: ChildPort, ) { // Compile FIRST: a body syntax error must throw out of the constructor - // (the engine maps it to SCRIPT_PARSE) before any realm state exists. + // before any realm state exists. The host pre-parses the identical + // wrapper, so under one Node version this throw is unreachable in + // production — the session still maps it to an error result defensively. // lineOffset compensates for the wrapper line, so stack traces carry the // script's own line numbers (the meta statement was blanked, not removed). try { @@ -148,20 +120,17 @@ export class WorkflowExecution { } this.context = vm.createContext({}, { name: `workflow:${meta.name}` }) - // A run that settles without ever being abandoned leaves `abandoned` - // permanently pending or rejecting into the void — consume it so a late - // grace timer cannot surface an unhandled rejection. - void this.contain(this.abandoned) const globals: Record = { - agent: (prompt: unknown, opts?: unknown) => this.contain(this.track(this.agent(prompt, opts))), + agent: (prompt: unknown, opts?: unknown) => this.contain(this.agent(prompt, opts)), parallel: (thunks: unknown) => this.contain(this.parallel(thunks)), pipeline: (items: unknown, ...stages: unknown[]) => this.contain(this.pipeline(items, stages)), phase: (title: unknown) => { this.phase(title) }, log: (message: unknown) => { this.log(message) }, - // Host-side clone: a script scribbling on args must not mutate the - // caller's object (a benign-bug guard; args is plain JSON by the seam - // contract, so structuredClone is total here and throws loud otherwise). + // Cloned once: a script scribbling on args must not mutate the + // session's init object (a benign-bug guard; args is plain JSON by the + // seam contract and already crossed one structured clone as workerData, + // so this clone is total). args: args === undefined ? undefined : structuredClone(args), } for (const [key, value] of Object.entries(globals)) { @@ -169,18 +138,12 @@ export class WorkflowExecution { // a script overwriting its own hooks only sabotages itself. ;(this.context as Record)[key] = typeof value === 'function' ? Object.freeze(value) : value } - - if (signal?.aborted) { - this.cancel('workflow start signal already aborted') - } else { - signal?.addEventListener('abort', () => { this.cancel('workflow signal aborted') }, { once: true }) - } } /** * Whether the run has been cancelled. A METHOD, not an inline property - * read: `cancel()` mutates `cancelReason` concurrently (a signal listener, - * a raced dispose), and an inline read after an `await` gets narrowed by + * read: `cancel()` mutates `cancelReason` concurrently (the session's + * message handler), and an inline read after an `await` gets narrowed by * control flow into an always-false comparison. */ private isCancelled(): boolean { @@ -199,45 +162,41 @@ export class WorkflowExecution { } /** - * Cancel the run: children abort (the shared signal), waiting `agent()` - * slots reject, and every future hook call throws `CANCELLED` — the script - * dies at its next await. A script that STILL has not settled after - * `disposeGraceMs` (parked on a promise no hook owns) is abandoned so - * `result` settles regardless (see {@link abandoned}). Idempotent; the - * first reason wins. + * Cancel the run: in-flight children get a cancel RPC (the shared abort + * fanout), waiting `agent()` slots reject, and every future hook call + * throws `CANCELLED` — the script dies at its next await. A script that + * never settles anyway (parked on a promise no hook owns) is the HOST's + * problem: its grace timer force-settles the run and terminates the + * worker. Idempotent; the first reason wins. * @param reason - human-readable cause, carried on the CANCELLED error and - * into child `run.cancel()` calls (default `'workflow cancelled'`). + * into child cancel RPCs. Required: every caller (the session's cancel + * message, drive()'s settle-reap) has a concrete reason. */ - cancel(reason?: string): void { + cancel(reason: string): void { if (this.cancelReason !== undefined) return - this.cancelReason = reason ?? 'workflow cancelled' + this.cancelReason = reason this.cancelError = new WorkflowError(`workflow run cancelled: ${this.cancelReason}`, 'CANCELLED') this.controller.abort(this.cancelReason) for (const waiter of this.slotWaiters.splice(0)) waiter.reject(this.cancelledError()) - this.abandonTimer = setTimeout(() => { this.declareAbandoned() }, this.limits.disposeGraceMs) - // unref'd: an armed grace timer must never hold the process open. - this.abandonTimer.unref() } /** * Run the script to settlement. Resolves — never rejects — with the run's * {@link WorkflowResult}: the materialized return value on `completed`, the * failure message on `error`, and `cancelled` when the script died of - * cancellation (or outlived its post-cancel grace and was abandoned — see - * {@link abandoned}). After settlement, any stray children a script fired - * without awaiting are aborted (their `agent()` wrappers dispose them). + * cancellation. After settlement, any stray children a script fired without + * awaiting are cancelled (their `agent()` wrappers dispose them via RPC). * @returns the settled outcome — this promise NEVER rejects (the seam's * `result`-never-rejects contract); every failure maps to a variant. */ async drive(): Promise { try { - // Cancelled before the body ever ran (an already-aborted start signal): - // the script must not execute at all, let alone report `completed`. + // Cancelled before the body ever ran (an already-aborted start signal, + // relayed by the host before its `go`): the script must not execute at + // all, let alone report `completed`. if (this.isCancelled()) throw this.cancelledError() const scriptPromise = this.compiled.runInContext(this.context, { timeout: this.limits.syncTimeoutMs }) as Promise - // The race is the result-settles-after-cancel guarantee: a parked - // script loses to the abandon channel once the grace expires. - const raw: unknown = await Promise.race([this.contain(Promise.resolve(scriptPromise)), this.abandoned]) + const raw: unknown = await this.contain(Promise.resolve(scriptPromise)) // Cancelled while the body ran: a script that settled without touching // another hook (or without any) must still report `cancelled` — the // holder asked for cancellation and `completed` would be a lie. @@ -250,59 +209,30 @@ export class WorkflowExecution { if (this.isCancelled()) { return { value: null, stopReason: 'cancelled', error: this.cancelledError().message, agentsStarted: this.started } } - // renderThrown is total (host- and realm-thrown values alike), so this - // arm cannot throw — drive() resolving is the `result` never-rejects - // seam contract. + // renderThrown is total (thrown values of any realm), so this arm + // cannot throw — drive() resolving is the `result` never-rejects seam + // contract. return { value: null, stopReason: 'error', error: renderThrown(error), agentsStarted: this.started } } finally { // Reap strays: a script that fired agent() calls without awaiting them - // leaves live children behind after settlement — abort them all. (The + // leaves live children behind after settlement — cancel them all. (The // per-call wrappers dispose each child; the contain() consumer keeps // their rejections from going unhandled.) if (this.cancelReason === undefined) this.cancel('workflow settled') - // drive() settling means nothing is left to abandon — including the - // timer the self-cancel above just armed (cancel() always arms it, so - // it is never undefined here; clearTimeout tolerates undefined anyway). - clearTimeout(this.abandonTimer) } } /** * Attach a no-op rejection consumer WITHOUT changing what the caller * receives: if the script drops the promise (no await), cancellation cannot - * become an unhandled rejection (the app boot layer exits the process on - * those); if the script does await it, it still observes the rejection. + * become an unhandled rejection (which would kill the worker thread); if + * the script does await it, it still observes the rejection. */ private contain(promise: Promise): Promise { promise.catch(() => { /* consumed: see method contract — a dropped hook promise must not surface an unhandled rejection */ }) return promise } - /** - * Register one `agent()` call promise for {@link quiesce} tracking; the - * entry drops when the call fully settles (which is AFTER its child's - * `dispose()` — the call wrapper disposes in its `finally`). - */ - private track(promise: Promise): Promise { - this.inFlightAgents.add(promise) - const drop = (): void => { this.inFlightAgents.delete(promise) } - promise.then(drop, drop) - return promise - } - - /** - * Settles once every `agent()` call — awaited or stray — has fully settled, - * INCLUDING each child's `dispose()`. The reap in {@link drive}'s finally - * aborts strays; this is the wait for those aborts to reach quiescence, so - * the engine's `dispose()` cannot return while a child is still winding - * down. Never rejects (the tracked promises' rejections are contained). - */ - async quiesce(): Promise { - while (this.inFlightAgents.size > 0) { - await Promise.allSettled([...this.inFlightAgents]) - } - } - private cancelledError(): WorkflowError { // cancel() arms cancelError before any caller can observe isCancelled() // === true; the fallback guards the type, not a reachable path. @@ -375,28 +305,37 @@ export class WorkflowExecution { // Re-check after the acquire: the await yields at least one microtask // tick even when a slot is free, and a queued waiter resumes a tick // after its release — a cancel() landing in either window must not - // start a child (it would carry an ALREADY-aborted signal, which a - // provider subscribing only to future abort events would never see). + // reach the host (which would refuse anyway, but the refusal reads as + // a start failure rather than the cancellation it is). this.throwIfCancelled() - let run + let run: ChildHandle try { - run = this.ctx.subagents.start(this.limits.provider, { - prompt: [{ type: 'text', text: rawPrompt }], - parent: this.parent, - signal: this.controller.signal, - ...opts.schema !== undefined ? { outputSchema: opts.schema } : {}, - ...opts.model !== undefined ? { agentOptions: { model: opts.model } } : {}, + run = await this.children.startAgent({ + prompt: rawPrompt, + ...opts.schema !== undefined ? { schema: opts.schema } : {}, + ...opts.model !== undefined ? { model: opts.model } : {}, }) } catch (error: unknown) { - throw new WorkflowError(`agent() could not start a child on provider "${this.limits.provider}": ${String(error)}`, 'AGENT_START', { cause: error }) + // The host refuses starts once the run is cancelled — a refusal that + // races our own cancel state must read as the cancellation it is, + // not as a broken seam. + if (this.isCancelled()) throw this.cancelledError() + throw new WorkflowError(`agent() could not start a child: ${renderThrown(error)}`, 'AGENT_START', { cause: error }) } - const info: WorkflowAgentInfo = { seq, label, ...phase !== undefined ? { phase } : {}, childId: run.id } + // The start round-trip yields to the event loop, so a cancel CAN land + // between the host starting the child and this continuation running — + // wind the fresh child down instead of leaving it live behind a dead + // script. + if (this.isCancelled()) { + run.cancel(this.cancelReason) + await run.dispose() + throw this.cancelledError() + } + const info: WorkflowAgentInfo = { seq, label, ...phase !== undefined ? { phase } : {}, childId: AgentId(run.id) } this.observer.agentStart(info) - // Cancellation bridges to run.cancel() as well as the request signal: - // the seam leaves a provider free to honor either channel, so the - // consumer must drive both. The signal cannot be aborted yet (the block - // since the post-acquire check is synchronous), so the listener always - // arms; `once` plus the finally removal keep it leak-free. + // Cancellation reaches the child through an explicit cancel RPC per + // child (the host also aborts its own per-run signal, but the seam + // leaves a provider free to honor either channel, so both are driven). const onAbort = (): void => { run.cancel(this.cancelReason) } this.controller.signal.addEventListener('abort', onAbort, { once: true }) try { @@ -404,8 +343,8 @@ export class WorkflowExecution { try { result = await run.result } catch (error: unknown) { - // The seam allows `result` to reject for an INFRASTRUCTURE fault — - // distinct from a child that failed and resolved. Pair the + // A rejected child result is an INFRASTRUCTURE fault relayed by the + // host — distinct from a child that failed and resolved. Pair the // lifecycle before propagating, and propagate FATAL: an ordinary // throw would dissolve to a per-item null inside the combinators, // and a broken provider must not read as a failed child. @@ -510,9 +449,10 @@ export class WorkflowExecution { try { return await thunk() } catch (error: unknown) { - // Hook failures are host WorkflowErrors; a fatal one is recognized by - // host `instanceof` — a script-built object can never pass it, so - // fatality cannot be forged (nor accidentally dissolved). + // Hook failures are WorkflowErrors built OUTSIDE the script's realm; + // fatality is recognized by `instanceof` against this realm's class — + // a script-built object can never pass it, so fatality cannot be + // forged (nor accidentally dissolved). if (isFatalWorkflowError(error)) throw error return null } @@ -544,8 +484,8 @@ export class WorkflowExecution { return value } catch (error: unknown) { // An ordinary stage throw drops the ITEM to null and skips its - // remaining stages; a fatal host WorkflowError (see parallel()) kills - // the whole script. + // remaining stages; a fatal WorkflowError (see parallel()) kills the + // whole script. if (isFatalWorkflowError(error)) throw error return null } diff --git a/packages/workflow/workflow-vm/src/session.ts b/packages/workflow/workflow-vm/src/session.ts new file mode 100644 index 0000000000..131f760ff9 --- /dev/null +++ b/packages/workflow/workflow-vm/src/session.ts @@ -0,0 +1,210 @@ +/** + * The worker-side half of the engine: {@link runWorkerSession} wires one + * MessagePort to one {@link WorkflowExecution} — hook progress and child + * starts go out as messages, run control and child lifecycle come back in — + * and posts the run's terminal result exactly once. Deliberately separated + * from the thread bootstrap (./worker.ts): the whole session is drivable + * in-process over a `MessageChannel`, which is where its unit coverage lives + * (code inside a real Worker is invisible to the main process's coverage). + * + * Startup handshake: the session posts `ready` and runs the script only + * after the host's `go` — without it, a cancellation racing the worker's + * boot could arrive AFTER the script's initial synchronous slice already + * ran, and a run cancelled before start must not execute the body at all. + * A `cancel` arriving instead of `go` still releases the gate: `drive()` + * sees the cancelled state and settles without running the body. + * + * @module @deepseek-ai/dsh-workflow-vm/session + */ + +import type { MessagePort } from 'node:worker_threads' +import { assertNever } from '@deepseek-ai/dsh-llm' +import { HostToWorkerType, WorkerToHostType } from './protocol.ts' +import type { HostToWorkerMessage, WorkerToHostPayloads } from './protocol.ts' +import { renderThrown } from './realm.ts' +import { WorkflowExecution } from './runtime.ts' +import type { ExecutionObserver } from './runtime.ts' +import type { + ChildHandle, + ChildPort, + ChildResult, + ChildStartRequest, + WorkerInit, +} from './types.ts' + +/** The book-keeping for one in-flight child RPC (keyed by callId). */ +interface PendingChild { + started: PromiseWithResolvers + settled: PromiseWithResolvers + disposed: PromiseWithResolvers +} + +/** The typed post half of the port: each tag pairs with ITS payload from the map (a mismatch is a compile error at the call site). */ +type Post = (type: T, payload: WorkerToHostPayloads[T]) => void + +/** + * The worker-side handle for one started child agent ({@link ChildHandle}): + * every member is an RPC to the host keyed by this call's `callId`, resolved + * by the session's message handler through the bridge's pending entry. + */ +class RpcChildHandle implements ChildHandle { + readonly result: Promise + + constructor( + private readonly post: Post, + private readonly callId: number, + private readonly entry: PendingChild, + readonly id: string, + ) { + this.result = entry.settled.promise + } + + cancel(reason?: string): void { + this.post(WorkerToHostType.ChildCancel, { callId: this.callId, reason }) + } + + dispose(): Promise { + this.post(WorkerToHostType.ChildDispose, { callId: this.callId }) + return this.entry.disposed.promise + } +} + +/** + * The worker-side child-RPC bridge ({@link ChildPort}): allocates callIds, + * posts the start/cancel/dispose RPCs, and owns the per-call pending + * book-keeping the session's message handler settles via the `onChild*` + * entry points. + */ +class ChildRpcBridge implements ChildPort { + private nextCallId = 0 + private readonly pending = new Map() + + constructor(private readonly post: Post) {} + + async startAgent(request: ChildStartRequest): Promise { + this.nextCallId += 1 + const callId = this.nextCallId + const entry: PendingChild = { + started: Promise.withResolvers(), + settled: Promise.withResolvers(), + disposed: Promise.withResolvers(), + } + // Containment: when the start is refused (or the run torn down) the + // settled promise may never gain a consumer — it must not surface as an + // unhandled rejection and kill the worker. + entry.settled.promise.catch(() => { /* consumed: unconsumed child settlement after a refused start */ }) + this.pending.set(callId, entry) + this.post(WorkerToHostType.ChildStart, { callId, request }) + const childId = await entry.started.promise + return new RpcChildHandle(this.post, callId, entry, childId) + } + + /** The host started the child; releases the `startAgent` await. */ + onChildStarted(callId: number, childId: string): void { + this.pending.get(callId)?.started.resolve(childId) + } + + /** The host refused the start; `startAgent` rejects with the rendered cause. */ + onChildStartError(callId: number, rendered: string): void { + this.pending.get(callId)?.started.reject(new Error(rendered)) + } + + /** The child's terminal result arrived. */ + onChildSettled(callId: number, result: ChildResult): void { + this.pending.get(callId)?.settled.resolve(result) + } + + /** The child's `result` rejected host-side (an infrastructure fault, relayed as fatal). */ + onChildFailed(callId: number, rendered: string): void { + this.pending.get(callId)?.settled.reject(new Error(rendered)) + } + + /** The host acked the dispose; the call's book-keeping is complete. */ + onChildDisposed(callId: number): void { + const entry = this.pending.get(callId) + this.pending.delete(callId) + entry?.disposed.resolve() + } +} + +/** + * Narrow the nullable `parentPort` the bootstrap reads from + * `node:worker_threads`. + * @param port - `parentPort` as imported (null on the main thread). + * @returns the port, non-null. + */ +export function requireParentPort(port: MessagePort | null): MessagePort { + if (port === null) throw new Error('the workflow worker entry must be loaded inside a worker thread (no parentPort)') + return port +} + +/** + * Run one workflow script to settlement against `port`, posting the terminal + * result message exactly once; resolves after that post (stray children may + * still be winding down through the port — the host owns their teardown and + * ultimately terminates the thread). Never rejects: a constructor failure + * (unparseable body — host pre-parse makes this a Node-version-skew signal) + * is reported as an `error` result rather than dying without a result. + * @param port - the channel to the host (the real `parentPort`, or one side + * of an in-process `MessageChannel` in tests). + * @param init - the run payload the host provided as `workerData`. + */ +export async function runWorkerSession(port: MessagePort, init: WorkerInit): Promise { + const post: Post = (type, payload) => { + port.postMessage({ type, ...payload }) + } + const children = new ChildRpcBridge(post) + + const observer: ExecutionObserver = { + phase: (title) => { post(WorkerToHostType.Phase, { title }) }, + log: (message) => { post(WorkerToHostType.Log, { message }) }, + agentStart: (info) => { post(WorkerToHostType.AgentStart, { info }) }, + agentEnd: (info) => { post(WorkerToHostType.AgentEnd, { info }) }, + } + + let execution: WorkflowExecution + try { + execution = new WorkflowExecution(init.meta, init.body, init.args, init.limits, observer, children) + } catch (error: unknown) { + post(WorkerToHostType.Result, { result: { value: null, stopReason: 'error', error: renderThrown(error), agentsStarted: 0 } }) + return + } + + const gate = Promise.withResolvers() + port.on('message', (message: HostToWorkerMessage) => { + switch (message.type) { + case HostToWorkerType.Go: + gate.resolve() + break + case HostToWorkerType.Cancel: + execution.cancel(message.reason) + // A cancel doubles as the gate release: drive() checks the cancelled + // state before running the body, so the script never executes. + gate.resolve() + break + case HostToWorkerType.ChildStarted: + children.onChildStarted(message.callId, message.childId) + break + case HostToWorkerType.ChildStartError: + children.onChildStartError(message.callId, message.rendered) + break + case HostToWorkerType.ChildSettled: + children.onChildSettled(message.callId, message.result) + break + case HostToWorkerType.ChildFailed: + children.onChildFailed(message.callId, message.rendered) + break + case HostToWorkerType.ChildDisposed: + children.onChildDisposed(message.callId) + break + /* v8 ignore next 2 -- closed engine-owned union; the arm only makes adding a message type a compile error */ + default: + assertNever(message, 'host-to-worker message') + } + }) + + post(WorkerToHostType.Ready, {}) + await gate.promise + const result = await execution.drive() + post(WorkerToHostType.Result, { result }) +} diff --git a/packages/workflow/workflow-vm/src/types.ts b/packages/workflow/workflow-vm/src/types.ts new file mode 100644 index 0000000000..c87fc4668c --- /dev/null +++ b/packages/workflow/workflow-vm/src/types.ts @@ -0,0 +1,97 @@ +/** + * Non-protocol wire vocabulary for the worker-thread engine: the `workerData` init + * payload and the child-port interfaces the worker-side runtime consumes. + * The host⇄worker MESSAGE protocol lives in ./protocol.ts; everything here + * that a message transports (`ChildStartRequest`, `ChildResult`) is plain + * JSON data by construction, so the structured-clone hop never meets a value + * it cannot carry. Types only, per the package convention. + * + * @module @deepseek-ai/dsh-workflow-vm/types + */ + +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' +import type { WorkflowMeta } from '@deepseek-ai/dsh-workflow' + +/** + * The per-run limits the worker-side runtime enforces. The host keeps the + * knobs only it can act on (`provider`, `disposeGraceMs`). + */ +export interface WorkerLimits { + /** Concurrent `agent()` ceiling (already auto-resolved; ≥ 1). */ + maxConcurrentAgents: number + /** Total `agent()` calls per run (the runaway-loop backstop). */ + maxTotalAgents: number + /** Items accepted by one `parallel()`/`pipeline()` call. */ + maxItemsPerCall: number + /** vm timeout for the script's initial synchronous slice (inside the worker). */ + syncTimeoutMs: number +} + +/** The `workerData` payload one run is initialized with (host → worker, once, at spawn). */ +export interface WorkerInit { + /** The validated meta block (extracted host-side). */ + meta: WorkflowMeta + /** The script body with the meta statement blanked (host-side `extractMeta`). */ + body: string + /** The run's `args` value; the workerData structured clone is the copy that isolates the caller. */ + args?: unknown + /** The worker-enforced limits. */ + limits: WorkerLimits +} + +/** What the worker asks the host to start for one `agent()` call (options already validated worker-side). */ +export interface ChildStartRequest { + /** The child's prompt text. */ + prompt: string + /** The structured-output schema, if the call passed one (already subset-checked). */ + schema?: StructuredOutputSchema + /** The per-child model override, if the call passed one. */ + model?: string +} + +/** + * The JSON projection of a child's `SubagentResult` crossing the port. The + * seam's `stopReason` union is merge-extensible, so it degrades to `string` + * on the wire — the runtime only ever branches on `'completed'`. + */ +export interface ChildResult { + /** The child's final assistant output blocks. */ + output: ContentBlock[] + /** The structured value, present iff the request carried a schema AND the provider honored it. */ + structured?: unknown + /** Why the child run ended (`'completed'` is the only value the runtime branches on). */ + stopReason: string +} + +/** + * The worker-side handle for one started child — the RPC mirror of the + * subagent seam's run handle, reduced to what the runtime consumes. + */ +export interface ChildHandle { + /** The child agent's id (minted host-side by the subagent seam). */ + readonly id: string + /** + * Resolves with the child's terminal {@link ChildResult}; REJECTS only when + * the host reports an infrastructure fault (`child-failed`) — a child that + * failed for its own reasons resolves with a non-`completed` stop reason. + */ + readonly result: Promise + /** Ask the host to cancel the child (fire-and-forget). */ + cancel(reason?: string): void + /** Ask the host to dispose the child; resolves on the host's ack. */ + dispose(): Promise +} + +/** + * The worker-side port the runtime starts child agents through — the seam + * that lets the execution core stay ignorant of the thread boundary. + */ +export interface ChildPort { + /** + * Start one child agent on the host (the `agent()` hook's start half). + * @param request - the prompt and validated options. + * @returns the child handle; rejects when the host refuses the start. + */ + startAgent(request: ChildStartRequest): Promise +} diff --git a/packages/workflow/workflow-vm/src/worker.ts b/packages/workflow/workflow-vm/src/worker.ts new file mode 100644 index 0000000000..3b20600d7d --- /dev/null +++ b/packages/workflow/workflow-vm/src/worker.ts @@ -0,0 +1,18 @@ +/** + * The worker-thread entry the engine spawns: bootstrap ./session.ts on the + * real `parentPort`. Deliberately a single statement — every piece of logic + * lives in `runWorkerSession`, which the unit suite drives in-process over a + * `MessageChannel` (code inside a real Worker is invisible to main-process + * coverage); loading this module on the main thread throws via + * `requireParentPort`, which is how the suite covers the file itself. + * + * @module @deepseek-ai/dsh-workflow-vm/worker + */ + +import { parentPort, workerData } from 'node:worker_threads' +import { requireParentPort, runWorkerSession } from './session.ts' +import type { WorkerInit } from './types.ts' + +// workerData is `any` at the node:worker_threads boundary; the engine is the +// only spawner and always provides a WorkerInit. +void runWorkerSession(requireParentPort(parentPort), workerData as WorkerInit) diff --git a/packages/workflow/workflow-vm/tests/built-worker.e2e.ts b/packages/workflow/workflow-vm/tests/built-worker.e2e.ts new file mode 100644 index 0000000000..9bdd3865bb --- /dev/null +++ b/packages/workflow/workflow-vm/tests/built-worker.e2e.ts @@ -0,0 +1,56 @@ +import { existsSync } from 'node:fs' +import { rm, writeFile } from 'node:fs/promises' +import { join } from 'node:path' +import { execFile } from 'node:child_process' +import { promisify } from 'node:util' +import { fileURLToPath } from 'node:url' +import { describe, expect, it } from 'vitest' + +const packageRoot = fileURLToPath(new URL('..', import.meta.url)) +const builtIndex = join(packageRoot, 'lib', 'index.js') +const builtWorker = join(packageRoot, 'lib', 'worker.js') +const run = promisify(execFile) + +/** + * The BUILT-output guard for the worker entry: every other suite runs + * unbuilt (src/ + tsx), so nothing else proves that `lib/index.js` resolves + * its sibling `lib/worker.js` and that the bundle boots a worker under plain + * node (no tsx loader). Keyless — a zero-agent script needs no provider — + * and self-skips until `pnpm run build` has produced the bundles. + */ +describe.skipIf(!existsSync(builtIndex) || !existsSync(builtWorker))('built worker entry (lib/worker.js)', () => { + it('the built engine spawns its built worker under plain node and completes a run', async () => { + // ESM resolves bare specifiers from the IMPORTING FILE's location, so the + // driver must live inside the package for its node_modules to apply — a + // temp-named file at the package root, removed on the way out. + const driver = join(packageRoot, `.built-worker-driver-${process.pid}.mjs`) + try { + await writeFile(driver, ` +import { Context } from 'cordis' +import SubagentService from '@deepseek-ai/dsh-subagent' +import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' + +const ctx = new Context() +await ctx.plugin(SubagentService) +await ctx.plugin(WorkerWorkflowEngine, {}) +const run = ctx.workflows.start({ + script: "export const meta = { name: 'built-smoke', description: 'built worker smoke' }\\nreturn 6 * 7", + // A zero-agent script never touches the provider, so a bare id suffices. + parent: { id: 'built-smoke-parent', options: {} }, +}) +const result = await run.result +await run.dispose() +if (result.stopReason !== 'completed' || result.value !== 42) { + console.error('unexpected result: ' + JSON.stringify(result)) + process.exit(1) +} +console.log('built-worker-smoke-ok') +`, 'utf8') + // Plain node — no tsx loader anywhere; the bundle must stand on its own. + const { stdout } = await run(process.execPath, [driver], { cwd: packageRoot, timeout: 60_000 }) + expect(stdout).toContain('built-worker-smoke-ok') + } finally { + await rm(driver, { force: true }) + } + }, 120_000) +}) diff --git a/packages/workflow/workflow-vm/tests/integration.spec.ts b/packages/workflow/workflow-vm/tests/integration.spec.ts index 3572131a8a..e53ea518bc 100644 --- a/packages/workflow/workflow-vm/tests/integration.spec.ts +++ b/packages/workflow/workflow-vm/tests/integration.spec.ts @@ -11,15 +11,17 @@ import SubagentService from '@deepseek-ai/dsh-subagent' import * as spawn from '@deepseek-ai/dsh-subagent-spawn' import { STRUCTURED_OUTPUT_TOOL } from '@deepseek-ai/dsh-subagent-inprocess' import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' -import VmWorkflowEngine from '../src/index.ts' +import WorkerWorkflowEngine from '../src/index.ts' type Script = ConstructorParameters[0] /** - * The whole in-process stack, keyless: the vm engine drives the REAL spawn - * backend (with its structured runtime) on a real agent loop; the scripted - * mock MODEL is the only mocked boundary. This is the integration guard the - * per-hook unit tests (which stub the subagent seam) structurally cannot give. + * The whole in-process stack, keyless, with the script in a REAL worker + * thread: the engine drives the REAL spawn backend (with its + * structured runtime) on a real agent loop; the scripted mock MODEL is the + * only mocked boundary. This is the guard the unit suites structurally + * cannot give — the MessageChannel suite fakes the host, and the host suite + * stubs the subagent seam. */ async function setup(script: Script) { const ctx = new Context() @@ -33,7 +35,7 @@ async function setup(script: Script) { await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(SubagentService) await ctx.plugin(spawn, { providerName: 'spawn' }) - await ctx.plugin(VmWorkflowEngine, {}) + await ctx.plugin(WorkerWorkflowEngine, {}) ctx.llm.registerAdapter(['mock'], adapter) const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) return { ctx, parent, adapter } diff --git a/packages/workflow/workflow-vm/tests/session.spec.ts b/packages/workflow/workflow-vm/tests/session.spec.ts new file mode 100644 index 0000000000..00051ad56a --- /dev/null +++ b/packages/workflow/workflow-vm/tests/session.spec.ts @@ -0,0 +1,504 @@ +import { describe, expect, it, vi } from 'vitest' +import { MessageChannel } from 'node:worker_threads' +import type { MessagePort } from 'node:worker_threads' +import { HostToWorkerType, WorkerToHostType } from '../src/protocol.ts' +import type { HostToWorkerMessage, WorkerToHostMessage } from '../src/protocol.ts' +import { requireParentPort, runWorkerSession } from '../src/session.ts' +import type { ChildResult, WorkerInit } from '../src/types.ts' + +/** Default limits for in-process sessions (concurrency pinned; auto is machine-derived). */ +function limits(overrides?: Partial): WorkerInit['limits'] { + return { maxConcurrentAgents: 8, maxTotalAgents: 1000, maxItemsPerCall: 4096, syncTimeoutMs: 5000, ...overrides } +} + +/** Wrap a body in the minimal valid meta header (the session receives it pre-extracted). */ +function init(body: string, args?: unknown, limitOverrides?: Partial): WorkerInit { + return { + meta: { name: 'test-flow', description: 'a test workflow' }, + body, + ...args !== undefined ? { args } : {}, + limits: limits(limitOverrides), + } +} + +/** One scripted host over the other end of a MessageChannel. */ +interface FakeHost { + port: MessagePort + messages: WorkerToHostMessage[] + /** Messages of one type, as they arrive. */ + ofType(type: T): Extract[] + send(message: HostToWorkerMessage): void + /** Resolves with the terminal result message. */ + result(): Promise['result']> + close(): void +} + +interface FakeHostOptions { + /** Auto-respond to child-start: reply started + settled per child index. Omit a reply to leave the child pending. */ + reply?: (request: { prompt: string; schema?: unknown; model?: string }, index: number) => ChildResult | undefined + /** Reject the start instead (child-start-error) when returning a string. */ + refuse?: (index: number) => string | undefined + /** Auto-send `go` on `ready` (default true). */ + go?: boolean + /** Manual mode: do NOT auto-answer child-start at all (the test scripts the replies). */ + manual?: boolean +} + +/** + * Drive runWorkerSession IN-PROCESS over a MessageChannel: this is where the + * worker-side files earn their coverage — code inside a real Worker is + * invisible to main-process coverage. The fake host mirrors the real host's + * protocol discipline (one started/start-error per start; settled/disposed + * follow). + */ +function fakeHost(options?: FakeHostOptions): FakeHost { + const channel = new MessageChannel() + const messages: WorkerToHostMessage[] = [] + const resultGate = Promise.withResolvers['result']>() + let childIndex = 0 + channel.port1.on('message', (message: WorkerToHostMessage) => { + messages.push(message) + switch (message.type) { + case WorkerToHostType.Ready: + if (options?.go !== false) channel.port1.postMessage({ type: HostToWorkerType.Go } satisfies HostToWorkerMessage) + break + case WorkerToHostType.ChildStart: { + if (options?.manual) break + const index = childIndex + childIndex += 1 + const refusal = options?.refuse?.(index) + if (refusal !== undefined) { + channel.port1.postMessage( + { type: HostToWorkerType.ChildStartError, callId: message.callId, rendered: refusal } satisfies HostToWorkerMessage, + ) + break + } + channel.port1.postMessage({ type: HostToWorkerType.ChildStarted, callId: message.callId, childId: `child-${index}` } satisfies HostToWorkerMessage) + const reply = options?.reply?.(message.request, index) + if (reply !== undefined) { + channel.port1.postMessage( + { type: HostToWorkerType.ChildSettled, callId: message.callId, result: reply } satisfies HostToWorkerMessage, + ) + } + break + } + case WorkerToHostType.ChildDispose: + channel.port1.postMessage({ type: HostToWorkerType.ChildDisposed, callId: message.callId } satisfies HostToWorkerMessage) + break + case WorkerToHostType.Result: + resultGate.resolve(message.result) + break + default: + break + } + }) + return { + port: channel.port2, + messages, + ofType: type => messages.filter((message): message is never => message.type === type), + send: (message) => { channel.port1.postMessage(message) }, + result: () => resultGate.promise, + close: () => { channel.port1.close() }, + } +} + +/** A completed text child result. */ +function text(reply: string): ChildResult { + return { output: [{ type: 'text', text: reply }], stopReason: 'completed' } +} + +describe('runWorkerSession over an in-process MessageChannel', () => { + it('runs a script end to end: ready/go handshake, phases, log, agents, result', async () => { + const host = fakeHost({ reply: (_request, index) => text(`answer-${index}`) }) + const session = runWorkerSession(host.port, init(` + phase('Scan') + log('starting with ' + args.files.length + ' files') + const answers = await pipeline(args.files, (prev, item) => agent('read ' + item)) + return { answers } + `, { files: ['a.ts', 'b.ts'] })) + const result = await host.result() + await session + expect(result.stopReason).toBe('completed') + expect(result.agentsStarted).toBe(2) + expect(result.value).toEqual({ answers: ['answer-0', 'answer-1'] }) + expect(host.messages[0]!.type).toBe('ready') + expect(host.ofType(WorkerToHostType.Phase).map(m => m.title)).toEqual(['Scan']) + expect(host.ofType(WorkerToHostType.Log).map(m => m.message)).toEqual(['starting with 2 files']) + expect(host.ofType(WorkerToHostType.AgentStart).map(m => m.info.childId)).toEqual(['child-0', 'child-1']) + expect(host.ofType(WorkerToHostType.AgentEnd).every(m => m.info.outcome === 'completed')).toBe(true) + host.close() + }) + + it('agent({schema}) forwards the schema on the start request and returns the structured value', async () => { + const host = fakeHost({ reply: () => ({ output: [], structured: { files: ['x.ts'] }, stopReason: 'completed' }) }) + void runWorkerSession(host.port, init(` + const found = await agent('list files', { schema: { type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } } }, model: 'deepseek-v4-pro' }) + return { first: found.files[0] } + `)) + const result = await host.result() + expect(result.value).toEqual({ first: 'x.ts' }) + const start = host.ofType(WorkerToHostType.ChildStart)[0]! + expect(start.request.schema).toEqual({ type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } } }) + expect(start.request.model).toBe('deepseek-v4-pro') + host.close() + }) + + it('a schema child completing WITHOUT a structured value resolves null with a failed outcome', async () => { + const host = fakeHost({ reply: () => text('prose, no structure') }) + void runWorkerSession(host.port, init("return await agent('p', { schema: { type: 'object' } })")) + const result = await host.result() + expect(result.value).toBeNull() + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('failed') + host.close() + }) + + it('a child settling non-completed resolves null (scripts filter), never throwing into the script', async () => { + const host = fakeHost({ reply: (_request, index) => index === 0 ? { output: [], stopReason: 'error' } : text('ok') }) + void runWorkerSession(host.port, init("return await parallel([() => agent('one'), () => agent('two')])")) + const result = await host.result() + expect(result.value).toEqual([null, 'ok']) + expect(host.ofType(WorkerToHostType.AgentEnd).map(m => m.info.outcome)).toEqual(expect.arrayContaining(['failed', 'completed'])) + host.close() + }) + + it('a start refusal (child-start-error) is a fatal AGENT_START that kills the script through a combinator', async () => { + const host = fakeHost({ refuse: () => 'no provider here' }) + void runWorkerSession(host.port, init("return await pipeline([1], () => agent('p'))")) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('agent() could not start a child') + expect(result.error).toContain('no provider here') + host.close() + }) + + it('a child-failed message (infrastructure rejection) is fatal AGENT_RESULT with the paired failed outcome', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init(` + try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, code: e.code, fatal: e.fatal } } + `)) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + host.send({ type: HostToWorkerType.ChildFailed, callId, rendered: 'backend exploded' }) + const result = await host.result() + expect(result.value).toMatchObject({ name: 'WorkflowError', code: 'AGENT_RESULT', fatal: true }) + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('failed') + host.close() + }) + + it('cancel before go: the body never runs at all and the result is cancelled (a second cancel is a no-op)', async () => { + const host = fakeHost({ go: false }) + const session = runWorkerSession(host.port, init("log('ran')\nreturn 123")) + await vi.waitFor(() => { expect(host.messages.some(m => m.type === WorkerToHostType.Ready)).toBe(true) }) + host.send({ type: HostToWorkerType.Cancel, reason: 'aborted before start' }) + // Idempotence: the first reason wins; a duplicate cancel changes nothing. + host.send({ type: HostToWorkerType.Cancel, reason: 'a later reason that must lose' }) + const result = await host.result() + await session + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('aborted before start') + expect(result.error).not.toContain('must lose') + expect(result.value).toBeNull() + expect(host.ofType(WorkerToHostType.Log)).toEqual([]) + host.close() + }) + + it('a script with no return value resolves value: null', async () => { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init("await agent('p')")) + const result = await host.result() + expect(result.stopReason).toBe('completed') + expect(result.value).toBeNull() + host.close() + }) + + it('cancel mid-run: in-flight children get cancel RPCs, hooks throw at entry, the run reports cancelled', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init(` + phase('before') + try { await agent('x') } catch (e) {} + try { phase('after') } catch (e) {} + try { log('after') } catch (e) {} + try { await parallel([() => 'ran']) } catch (e) {} + try { await pipeline(['item'], p => p) } catch (e) {} + return 'survived by catching' + `)) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + host.send({ type: HostToWorkerType.Cancel, reason: 'stop everything' }) + // The real host settles the aborted child; mirror it. + host.send({ type: HostToWorkerType.ChildSettled, callId, result: { output: [], stopReason: 'aborted' } }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('stop everything') + expect(host.ofType(WorkerToHostType.ChildCancel).map(m => m.callId)).toContain(callId) + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('cancelled') + // No post-cancel narration left the runtime (the hooks threw at entry). + expect(host.ofType(WorkerToHostType.Phase).map(m => m.title)).toEqual(['before']) + expect(host.ofType(WorkerToHostType.Log)).toEqual([]) + host.close() + }) + + it('cancellation between a queued waiter and its slot: the waiter rejects without a child-start', async () => { + const host = fakeHost({ go: true }) + void runWorkerSession(host.port, init( + "return await parallel([() => agent('a'), () => agent('b')])", + undefined, + { maxConcurrentAgents: 1 }, + )) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + host.send({ type: HostToWorkerType.Cancel, reason: 'raced' }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + // Only the first agent ever reached the host. + expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) + host.close() + }) + + it('a stray (never-awaited) agent is reaped after settlement: cancel + dispose RPCs flow, no unhandled rejection', async () => { + const unhandled: unknown[] = [] + const onUnhandled = (reason: unknown): void => { unhandled.push(reason) } + process.on('unhandledRejection', onUnhandled) + try { + const host = fakeHost() + void runWorkerSession(host.port, init(` + agent('stray, never awaited') + return 'done without awaiting' + `)) + const result = await host.result() + expect(result.stopReason).toBe('completed') + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + host.send({ type: HostToWorkerType.ChildSettled, callId, result: { output: [], stopReason: 'aborted' } }) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildDispose).map(m => m.callId)).toContain(callId) }) + await new Promise(resolve => setTimeout(resolve, 20)) + expect(unhandled).toEqual([]) + host.close() + } finally { + process.off('unhandledRejection', onUnhandled) + } + }) + + it('an unparseable body settles an error result instead of dying without one (host pre-parse skew guard)', async () => { + const host = fakeHost() + await runWorkerSession(host.port, init('return (((')) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('does not parse') + expect(result.agentsStarted).toBe(0) + host.close() + }) + + it('a synchronous spin in the initial slice dies by the in-worker vm timeout', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init('while (true) {}', undefined, { syncTimeoutMs: 50 })) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error?.toLowerCase()).toContain('timed out') + host.close() + }) + + it('a non-JSON return value fails loud as RESULT_UNSERIALIZABLE', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init('return { when: new Date(0) }')) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('not plain JSON data') + host.close() + }) + + it('tolerates replies for unknown callIds (a teardown race): nothing crashes, the run completes', async () => { + const host = fakeHost({ reply: () => text('fine') }) + void runWorkerSession(host.port, init("return await agent('p')")) + host.send({ type: HostToWorkerType.ChildStarted, callId: 999, childId: 'ghost' }) + host.send({ type: HostToWorkerType.ChildStartError, callId: 999, rendered: 'ghost' }) + host.send({ type: HostToWorkerType.ChildSettled, callId: 999, result: text('ghost') }) + host.send({ type: HostToWorkerType.ChildFailed, callId: 999, rendered: 'ghost' }) + host.send({ type: HostToWorkerType.ChildDisposed, callId: 999 }) + const result = await host.result() + expect(result.stopReason).toBe('completed') + expect(result.value).toBe('fine') + host.close() + }) + + it('caps and malformed hook arguments reject loud (the runtime runs unchanged inside the session)', async () => { + const cases: [string, string][] = [ + ['return await agent(42)', 'non-empty prompt string'], + ["return await agent('')", 'non-empty prompt string'], + ["return await agent('p', 'opts')", 'options must be an object'], + ["return await agent('p', { label: 3 })", '"label" must be a string'], + ["return await agent('p', { get label() { throw new Error('read failed') } })", 'options must be plain JSON data'], + ["return await agent('p', { bogus: true })", '"bogus" is not recognized'], + ["return await agent('p', { effort: 'high' })", '"effort" is deferred'], + ["return await agent('p', { schema: { type: 'object', oneOf: [] } })", 'outside the supported subset'], + ['return await parallel([() => 1, () => 2, () => 3])', 'over the per-call cap (2)'], + ['return await pipeline([1, 2, 3], (x) => x)', 'maxItemsPerCall'], + ["return await parallel('no')", 'parallel() requires an array'], + ['return await parallel([3])', 'item 0 is not a function'], + ["return await pipeline('no', () => 1)", 'pipeline() requires an items array'], + ['return await pipeline([1])', 'at least one stage'], + ["return await pipeline([1], 'x')", 'stage 0 is not a function'], + ["phase('')", 'phase() requires a non-empty title string'], + ['log(3)', 'log() requires a message string'], + ] + for (const [body, expected] of cases) { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init(body, undefined, { maxItemsPerCall: 2 })) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain(expected) + host.close() + } + }) + + it('combinator semantics: thunk/stage throws null the item; a forged fatal-shaped object stays null; real fatals propagate', async () => { + const host = fakeHost({ reply: () => text('fine') }) + void runWorkerSession(host.port, init(` + const viaParallel = await parallel([ + () => { throw new Error('boom') }, + () => agent('fine'), + () => 'plain value', + () => { throw { name: 'WorkflowError', fatal: true, message: 'forged fatal' } }, + ]) + const viaPipeline = await pipeline([10, 20], + (prev, item, index) => { if (item === 10) throw new Error('ordinary failure'); return 'kept-' + item + '-' + index }, + ) + return { viaParallel, viaPipeline } + `)) + const result = await host.result() + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ + viaParallel: [null, 'fine', 'plain value', null], + viaPipeline: [null, 'kept-20-1'], + }) + host.close() + }) + + it('trips the total-agent cap with a message naming the config knob', async () => { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init("await agent('1'); await agent('2'); await agent('3')", undefined, { maxTotalAgents: 2 })) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('total agent cap (2)') + expect(result.agentsStarted).toBe(2) + host.close() + }) + + it('queued agents proceed through the concurrency semaphore in FIFO order', async () => { + const host = fakeHost({ reply: request => text(`ok:${request.prompt}`) }) + void runWorkerSession(host.port, init( + "return await parallel([1, 2, 3].map((n) => () => agent('job ' + n)))", + undefined, + { maxConcurrentAgents: 1 }, + )) + const result = await host.result() + expect(result.value).toEqual(['ok:job 1', 'ok:job 2', 'ok:job 3']) + host.close() + }) + + it('labels default from the prompt first line, truncated; explicit label/phase options win', async () => { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init(` + phase('Find') + await agent('a prompt that is quite long and will surely get truncated down to a display label\\n' + + 'with a second line the label must not include') + await agent('short', { label: 'named', phase: 'Custom' }) + return null + `)) + await host.result() + const starts = host.ofType(WorkerToHostType.AgentStart).map(m => m.info) + expect(starts[0]).toMatchObject({ seq: 1, phase: 'Find' }) + expect(starts[0]!.label.length).toBeLessThanOrEqual(48) + expect(starts[0]!.label).not.toContain('second line') + expect(starts[1]).toMatchObject({ seq: 2, label: 'named', phase: 'Custom' }) + host.close() + }) + + it('non-text output blocks are filtered out of the text result', async () => { + const host = fakeHost({ + reply: () => ({ + output: [ + { type: 'text', text: 'first ' }, + { type: 'tool_call', id: 'c1', name: 'x', arguments: {} } as never, + { type: 'text', text: 'second' }, + ], + stopReason: 'completed', + }), + }) + void runWorkerSession(host.port, init("return await agent('p')")) + const result = await host.result() + expect(result.value).toBe('first second') + host.close() + }) + + it('a cancel landing DURING the start round-trip winds the fresh child down (cancel + dispose) and dies cancelled', async () => { + const host = fakeHost({ manual: true }) + void runWorkerSession(host.port, init("return await agent('p')")) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + // Cancel FIRST, then the (stale) started reply: the worker processes them + // in order, so the agent() continuation resumes already-cancelled — the + // window the real host cannot produce (it refuses starts once cancelled) + // but a teardown race can. + host.send({ type: HostToWorkerType.Cancel, reason: 'raced the start' }) + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + await vi.waitFor(() => { + expect(host.ofType(WorkerToHostType.ChildCancel).map(m => m.callId)).toContain(callId) + expect(host.ofType(WorkerToHostType.ChildDispose).map(m => m.callId)).toContain(callId) + }) + // The child never became an agent-start: it was wound down pre-lifecycle. + expect(host.ofType(WorkerToHostType.AgentStart)).toEqual([]) + host.close() + }) + + it('a start refusal arriving after a cancel reads as the cancellation, not a broken seam', async () => { + const host = fakeHost({ manual: true }) + void runWorkerSession(host.port, init(` + try { await agent('p'); return 'unreachable' } catch (e) { return { code: e.code } } + `)) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.Cancel, reason: 'stopping' }) + host.send({ type: HostToWorkerType.ChildStartError, callId, rendered: 'workflow run cancelled: stopping' }) + const result = await host.result() + // The run reports cancelled (the script died of CANCELLED, not AGENT_START). + expect(result.stopReason).toBe('cancelled') + host.close() + }) + + it('a child result rejection while cancelled pairs a cancelled agent-end, and the run reports cancelled', async () => { + const host = fakeHost({ manual: true }) + void runWorkerSession(host.port, init("return await agent('doomed')")) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.AgentStart).length).toBe(1) }) + host.send({ type: HostToWorkerType.Cancel, reason: 'user aborted' }) + host.send({ type: HostToWorkerType.ChildFailed, callId, rendered: 'backend crashed on abort' }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('cancelled') + host.close() + }) + +}) + +describe('the worker bootstrap', () => { + it('requireParentPort narrows a real port and throws on the main thread', () => { + const channel = new MessageChannel() + expect(requireParentPort(channel.port1)).toBe(channel.port1) + channel.port1.close() + expect(() => requireParentPort(null)).toThrow(/inside a worker thread/) + }) + + it('the entry module itself throws when loaded on the main thread (no parentPort)', async () => { + // This import EXECUTES ../src/worker.ts on the main thread, which is what + // covers the bootstrap file: requireParentPort throws before + // runWorkerSession is reached. + await expect(import('../src/worker.ts')).rejects.toThrow(/inside a worker thread/) + }) +}) diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts index bb685f536f..7264877f48 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts @@ -6,14 +6,17 @@ import type { Agent } from '@deepseek-ai/dsh-agent' import SubagentService from '@deepseek-ai/dsh-subagent' import type { SubagentCapabilities, SubagentProvider, SubagentResult, SubagentRun, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' import type { WorkflowResult, WorkflowResultInfo, WorkflowRunInfo } from '@deepseek-ai/dsh-workflow' -import * as vmEngineModule from '../src/index.ts' -import VmWorkflowEngine, { type Config } from '../src/index.ts' +import * as workerEngineModule from '../src/index.ts' +import WorkerWorkflowEngine, { type Config } from '../src/index.ts' /** A minimal parent stand-in: the engine only threads it through to the provider. */ function fakeParent(): Agent { return { id: AgentId('workflow-parent'), options: {} } as unknown as Agent } +/** The vm-context escape hatch, spelled once: real Worker tests use it to make the WORKER misbehave. */ +const ESCAPE = "globalThis.constructor.constructor('return process')()" + /** One controllable child run: the test (or auto mode) settles it. */ interface ControlledRun { request: SubagentStartRequest @@ -25,13 +28,11 @@ interface ControlledRun { /** * A scripted in-test provider over the REAL SubagentService registry: `auto` * settles each run via the reply function on a microtask; `manual` piles runs - * up in `runs` for the test to settle (concurrency/cancellation tests). A run - * aborts (settles `aborted`) when the request signal fires, like the real - * in-process backends. + * up in `runs` for the test to settle. A run aborts (settles `aborted`) when + * the request signal fires, like the real in-process backends. */ class StubProvider implements SubagentProvider { readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: true } - // Context contract: stub children start fresh, mirroring the spawn backend. readonly inheritsParentContext = false readonly runs: ControlledRun[] = [] @@ -64,7 +65,6 @@ class StubProvider implements SubagentProvider { controlled.disposed = true return Promise.resolve() } - // A slow-winding child (quiescence tests): disposal completes late. return new Promise((resolve) => { setTimeout(() => { controlled.disposed = true @@ -99,8 +99,8 @@ async function setup(options?: SetupOptions) { ctx.subagents.registerProvider(provider) // A fixed concurrency ceiling: the auto-resolved default is machine-derived // (cores - 2, floored at 1), so tests that expect N children in flight - // would wedge on small CI runners. Tests about the ceiling override it. - await ctx.plugin(VmWorkflowEngine, { provider: 'stub', maxConcurrentAgents: 8, ...options?.config }) + // would wedge on small CI runners. + await ctx.plugin(WorkerWorkflowEngine, { provider: 'stub', maxConcurrentAgents: 8, ...options?.config }) return { ctx, provider, parent: fakeParent() } } @@ -120,8 +120,8 @@ async function run(ctx: Context, parent: Agent, source: string, args?: unknown): } describe('dsh-workflow-vm', () => { - describe('script execution', () => { - it('runs a script end-to-end: agent() text results, phases, log, args, return value', async () => { + describe('script execution over a real worker thread', () => { + it('runs a script end-to-end: agent() text results, phases, log, args, return value, events', async () => { const { ctx, parent, provider } = await setup({ reply: (_request, index) => text(`answer-${index}`) }) const events: [string, unknown[]][] = [] for (const name of ['workflow/start', 'workflow/phase', 'workflow/log', 'workflow/agent-start', 'workflow/agent-end', 'workflow/end'] as const) { @@ -152,32 +152,12 @@ describe('dsh-workflow-vm', () => { expect('value' in end).toBe(false) }) - it('agent-start/end events carry seq, label (defaulted from the prompt), phase, and outcome', async () => { - const { ctx, parent } = await setup() - const starts: unknown[] = [] - const ends: unknown[] = [] - ctx.on('workflow/agent-start', (_info, agent) => starts.push(agent)) - ctx.on('workflow/agent-end', (_info, agent) => ends.push(agent)) - await run(ctx, parent, script(` - phase('Find') - await agent('a prompt that is quite long and will surely get truncated down to a display label\\n' - + 'with a second line the label must not include') - await agent('short', { label: 'named', phase: 'Custom' }) - return null - `)) - expect(starts[0]).toMatchObject({ seq: 1, phase: 'Find', childId: 'stub-child-0' }) - expect((starts[0] as { label: string }).label.length).toBeLessThanOrEqual(48) - expect((starts[0] as { label: string }).label).not.toContain('second line') - expect(starts[1]).toMatchObject({ seq: 2, label: 'named', phase: 'Custom' }) - expect(ends[0]).toMatchObject({ seq: 1, outcome: 'completed' }) - }) - - it('agent({schema}) forwards outputSchema to the provider and returns the structured value into the realm', async () => { + it('agent({schema, model}) forwards outputSchema and agentOptions to the provider across the thread', async () => { const { ctx, parent, provider } = await setup({ reply: () => ({ output: [], structured: { files: ['x.ts', 'y.ts'] }, stopReason: 'completed' }), }) const result = await run(ctx, parent, script(` - const found = await agent('list files', { schema: { type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } }, required: ['files'] } }) + const found = await agent('list files', { model: 'deepseek-v4-pro', schema: { type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } }, required: ['files'] } }) return { first: found.files[0], count: found.files.length } `)) expect(result.value).toEqual({ first: 'x.ts', count: 2 }) @@ -186,271 +166,25 @@ describe('dsh-workflow-vm', () => { properties: { files: { type: 'array', items: { type: 'string' } } }, required: ['files'], }) - }) - - it('model option maps to agentOptions.model on the start request', async () => { - const { ctx, parent, provider } = await setup() - await run(ctx, parent, script("return await agent('p', { model: 'deepseek-v4-pro' })")) expect(provider.runs[0]!.request.agentOptions).toEqual({ model: 'deepseek-v4-pro' }) + expect(provider.runs[0]!.request.parent).toBeDefined() }) - it('a failed child resolves null (scripts filter), never throwing into the script', async () => { - const { ctx, parent } = await setup({ - reply: (_request, index) => index === 0 ? { output: [], stopReason: 'error' } : text('ok'), - }) - const result = await run(ctx, parent, script(` - const results = await parallel([() => agent('one'), () => agent('two')]) - return results - `)) - expect(result.value).toEqual([null, 'ok']) - }) - - it('a schema run that completes WITHOUT a structured value is a child failure (null + failed outcome)', async () => { - const { ctx, parent } = await setup({ reply: () => text('prose, no structure') }) - const ends: unknown[] = [] - ctx.on('workflow/agent-end', (_info, agent) => ends.push(agent)) - const result = await run(ctx, parent, script(` - return await agent('p', { schema: { type: 'object' } }) - `)) - expect(result.value).toBeNull() - expect(ends[0]).toMatchObject({ outcome: 'failed' }) - }) - - it('a script with no return value resolves value: null', async () => { + it('a fatal hook error inside the worker kills the script and reports the error', async () => { const { ctx, parent } = await setup() - const result = await run(ctx, parent, script("await agent('p')")) - expect(result.stopReason).toBe('completed') - expect(result.value).toBeNull() - }) - - it('a returned promise/thenable resolves per async-JS semantics before materialization', async () => { - const { ctx, parent } = await setup() - // Load-bearing ergonomics: forgetting await on the final hook call works. - expect((await run(ctx, parent, script("return agent('x')"))).value).toBe('stub reply') - // A hand-built thenable is assimilated by the async return — the - // RESOLUTION is the script's return value (standard JavaScript), and the - // realm-boundary guard applies to that resolution, not the thenable. - expect((await run(ctx, parent, script('return { value: 1, then(resolve) { resolve({ ok: true }) } }'))).value).toEqual({ ok: true }) - const nonJson = await run(ctx, parent, script('return { then(resolve) { resolve({ bad: new Date(0) }) } }')) - expect(nonJson.stopReason).toBe('error') - expect(nonJson.error).toContain('not plain JSON data') - }) - }) - - describe('combinator semantics', () => { - it('pipeline has NO cross-stage barrier: a fast item finishes stage 2 while a slow item holds stage 1', async () => { - const { ctx, parent, provider } = await setup({ manual: true }) - const handle = ctx.workflows.start({ - script: script(` - const out = await pipeline(['slow', 'fast'], - (prev, item) => agent('s1 ' + item), - (prev, item) => agent('s2 ' + item + ' after ' + prev), - ) - return out - `), - parent: fakeParent(), - }) - // Both items enter stage 1 concurrently. - await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) - // Settle only the FAST item's stage 1 → its stage 2 starts with no barrier. - provider.runs[1]!.settle(text('fast-1')) - await vi.waitFor(() => { expect(provider.runs.length).toBe(3) }) - expect((provider.runs[2]!.request.prompt[0] as { text: string }).text).toBe('s2 fast after fast-1') - // The slow item is still sitting in stage 1. - provider.runs[2]!.settle(text('fast-2')) - provider.runs[0]!.settle(text('slow-1')) - await vi.waitFor(() => { expect(provider.runs.length).toBe(4) }) - provider.runs[3]!.settle(text('slow-2')) - const result = await handle.result - expect(result.value).toEqual(['slow-2', 'fast-2']) - await handle.dispose() - void parent - }) - - it('pipeline stage callbacks receive (prev, item, index); an ordinary stage throw nulls the ITEM and skips its remaining stages', async () => { - const { ctx, parent, provider } = await setup({ reply: request => text(`ok:${(request.prompt[0] as { text: string }).text}`) }) - const result = await run(ctx, parent, script(` - const out = await pipeline([10, 20], - (prev, item, index) => { - if (item === 10) throw new Error('ordinary failure') - return agent('stage1-' + item + '-' + index) - }, - (prev) => agent('stage2 saw ' + prev), - ) - return out - `)) - expect(result.stopReason).toBe('completed') - const prompts = provider.runs.map(r => (r.request.prompt[0] as { text: string }).text) - // Item 10 never reached stage 1's agent nor stage 2. - expect(prompts).toEqual(['stage1-20-1', 'stage2 saw ok:stage1-20-1']) - expect(result.value).toEqual([null, 'ok:stage2 saw ok:stage1-20-1']) - }) - - it('parallel maps a throwing thunk to null and never rejects for ordinary errors', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - return await parallel([ - () => { throw new Error('boom') }, - () => agent('fine'), - () => 'plain value', - () => { throw 'string throw' }, - () => { throw { name: 'WorkflowError', fatal: true, message: 'forged fatal' } }, - ]) - `)) - // The last entry probes fatality: it is recognized by host instanceof, - // which a script-built object can never pass — a WorkflowError-SHAPED - // throw is an ordinary null, and real fatality cannot be forged. - expect(result.value).toEqual([null, 'stub reply', 'plain value', null, null]) - }) - - it('FATAL errors propagate through parallel AND pipeline instead of dissolving into null', async () => { - const { ctx, parent } = await setup() - const viaParallel = await run(ctx, parent, script(` - return await parallel([() => agent('x', { isolation: 'worktree' })]) - `)) - expect(viaParallel.stopReason).toBe('error') - expect(viaParallel.error).toContain('"isolation" is deferred') - - const viaPipeline = await run(ctx, parent, script(` - return await pipeline([1], () => agent('x', { bogus: true })) - `)) - expect(viaPipeline.stopReason).toBe('error') - expect(viaPipeline.error).toContain('"bogus" is not recognized') - }) - - it('validates combinator arguments loudly (non-array, non-function, missing stages)', async () => { - const { ctx, parent } = await setup() - expect((await run(ctx, parent, script("return await parallel('no')"))).error).toContain('parallel() requires an array') - expect((await run(ctx, parent, script('return await parallel([3])'))).error).toContain('item 0 is not a function') - expect((await run(ctx, parent, script("return await pipeline('no', () => 1)"))).error).toContain('pipeline() requires an items array') - expect((await run(ctx, parent, script('return await pipeline([1])'))).error).toContain('at least one stage') - expect((await run(ctx, parent, script("return await pipeline([1], 'x')"))).error).toContain('stage 0 is not a function') - }) - }) - - describe('caps and option validation', () => { - it('trips the total-agent cap with a message naming the config knob', async () => { - const { ctx, parent } = await setup({ config: { provider: 'stub', maxTotalAgents: 2 } }) - const result = await run(ctx, parent, script(` - await agent('1'); await agent('2'); await agent('3') - return 'unreachable' - `)) + const result = await run(ctx, parent, script("return await parallel([() => agent('x', { isolation: 'worktree' })])")) expect(result.stopReason).toBe('error') - expect(result.error).toContain('total agent cap (2)') - expect(result.error).toContain('maxTotalAgents') - expect(result.agentsStarted).toBe(2) + expect(result.error).toContain('"isolation" is deferred') }) - it('trips the per-call item cap for parallel and pipeline', async () => { - const { ctx, parent } = await setup({ config: { provider: 'stub', maxItemsPerCall: 2 } }) - expect((await run(ctx, parent, script('return await parallel([() => 1, () => 2, () => 3])'))).error) - .toContain('over the per-call cap (2)') - expect((await run(ctx, parent, script('return await pipeline([1, 2, 3], (x) => x)'))).error) - .toContain('maxItemsPerCall') - }) - - it('enforces the concurrency ceiling: never more than maxConcurrentAgents children in flight', async () => { - const { ctx, parent, provider } = await setup({ manual: true, config: { provider: 'stub', maxConcurrentAgents: 2 } }) - const handle = ctx.workflows.start({ - script: script("return await parallel([1, 2, 3, 4, 5].map((n) => () => agent('job ' + n)))"), - parent, - }) - // Only 2 children may exist until one settles. - await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) - await new Promise(resolve => setTimeout(resolve, 20)) - expect(provider.runs.length).toBe(2) - // Settle children in arrival order; after each settle at most ONE more - // child may enter — the window never exceeds the ceiling. - for (let index = 0; index < 5; index++) { - await vi.waitFor(() => { expect(provider.runs.length).toBeGreaterThan(index) }) - expect(provider.runs.length).toBeLessThanOrEqual(Math.min(index + 2, 5)) - provider.runs[index]!.settle(text(`r${index}`)) - } - const result = await handle.result - expect(result.stopReason).toBe('completed') - expect(result.agentsStarted).toBe(5) - expect(result.value).toEqual(['r0', 'r1', 'r2', 'r3', 'r4']) - await handle.dispose() - }) - - it('rejects malformed agent() arguments and option types loudly', async () => { - const { ctx, parent } = await setup() - expect((await run(ctx, parent, script('return await agent(42)'))).error).toContain('non-empty prompt string') - expect((await run(ctx, parent, script("return await agent('')"))).error).toContain('non-empty prompt string') - expect((await run(ctx, parent, script("return await agent('p', 'opts')"))).error).toContain('options must be an object') - expect((await run(ctx, parent, script("return await agent('p', { label: 3 })"))).error).toContain('"label" must be a string') - expect((await run(ctx, parent, script("return await agent('p', { effort: 'high' })"))).error).toContain('"effort" is deferred') - }) - - it('rejects options whose property reads throw (materialization is loud, not silent)', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script("return await agent('p', { get label() { throw new Error('read failed') } })")) - expect(result.stopReason).toBe('error') - expect(result.error).toContain('options must be plain JSON data') - expect(result.error).toContain('read failed') - }) - - it('validates phase() and log() arguments loudly', async () => { - const { ctx, parent } = await setup() - expect((await run(ctx, parent, script('phase(3)'))).error).toContain('phase() requires a non-empty title string') - expect((await run(ctx, parent, script("phase('')"))).error).toContain('phase() requires a non-empty title string') - expect((await run(ctx, parent, script('log(3)'))).error).toContain('log() requires a message string') - }) - - it('rejects an unsupported schema via the shared subset assertion (UNSUPPORTED_SCHEMA)', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script("return await agent('p', { schema: { type: 'object', oneOf: [] } })")) - expect(result.stopReason).toBe('error') - expect(result.error).toContain('outside the supported subset') - expect(result.error).toContain('oneOf') - }) - - it('wraps a provider start failure as a fatal AGENT_START error (a missing provider cannot dissolve into null)', async () => { + it('a provider start failure crosses back as a fatal AGENT_START error', async () => { const { ctx, parent } = await setup({ config: { provider: 'nonexistent' } }) const result = await run(ctx, parent, script("return await pipeline([1], () => agent('p'))")) expect(result.stopReason).toBe('error') - expect(result.error).toContain('could not start a child on provider "nonexistent"') - }) - }) - - describe('the value boundary', () => { - it('args are cloned at start: a script scribbling on them cannot mutate the caller\'s object', async () => { - const { ctx, parent } = await setup() - const hostArgs = { files: ['a.ts'], nested: { deep: [1, 2] } } - const result = await run(ctx, parent, script(` - args.files.push('b.ts') - return { count: args.files.length, deep: args.nested.deep[1] } - `), hostArgs) - expect(result.value).toEqual({ count: 2, deep: 2 }) - // The caller's object is untouched (the engine cloned args host-side). - expect(hostArgs.files).toEqual(['a.ts']) + expect(result.error).toContain('agent() could not start a child') }) - it('scalar/null args pass through directly; absent args leave the global undefined', async () => { - const { ctx, parent } = await setup() - expect((await run(ctx, parent, script('return args * 2'), 21)).value).toBe(42) - expect((await run(ctx, parent, script('return args === null'), null)).value).toBe(true) - expect((await run(ctx, parent, script('return typeof args'))).value).toBe('undefined') - }) - - it('hook failures reach the script as HOST WorkflowErrors: fields readable, in-realm instanceof Error is false', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - try { - await agent('p', { bogus: true }) - return 'unreachable' - } catch (e) { - // The documented consequence of the trust premise: hook errors are - // host objects, so realm instanceof is false — read the fields. - return { isRealmError: e instanceof Error, name: e.name, code: e.code, fatal: e.fatal, message: e.message } - } - `)) - expect(result.stopReason).toBe('completed') - expect(result.value).toMatchObject({ isRealmError: false, name: 'WorkflowError', code: 'UNSUPPORTED_OPTION', fatal: true }) - expect((result.value as { message: string }).message).toContain('"bogus" is not recognized') - }) - - it('a rejecting provider result is an infrastructure fault: fatal AGENT_RESULT, agent-end paired, no combinator dissolve', async () => { + it('a child result REJECTION crosses back as a fatal AGENT_RESULT error (a broken provider is not a failed child)', async () => { const ctx = new Context() await ctx.plugin(SubagentService) const provider: SubagentProvider = { @@ -465,184 +199,90 @@ describe('dsh-workflow-vm', () => { }), } ctx.subagents.registerProvider(provider) - await ctx.plugin(VmWorkflowEngine, { provider: 'rejecting' }) - const ends: unknown[] = [] - ctx.on('workflow/agent-end', (_info, agent) => { ends.push(agent) }) - // Direct await: the script reads the typed fields (a host object, so - // realm instanceof is false — same as every hook failure). - const direct = await run(ctx, fakeParent(), script(` + await ctx.plugin(WorkerWorkflowEngine, { provider: 'rejecting', maxConcurrentAgents: 2 }) + const result = await run(ctx, fakeParent(), script(` try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, code: e.code, fatal: e.fatal, message: e.message } } `)) - expect(direct.value).toMatchObject({ name: 'WorkflowError', code: 'AGENT_RESULT', fatal: true }) - expect((direct.value as { message: string }).message).toContain('backend exploded') - // The child's lifecycle stays paired even though result never resolved. - expect(ends).toEqual([expect.objectContaining({ seq: 1, outcome: 'failed' })]) - // Through a combinator the fault PROPAGATES (fatal) — a broken provider - // must not dissolve into the per-item null and read as a failed child. - const throughParallel = await run(ctx, fakeParent(), script("return await parallel([() => agent('p')])")) - expect(throughParallel.stopReason).toBe('error') - expect(throughParallel.error).toContain('backend exploded') + expect(result.value).toMatchObject({ name: 'WorkflowError', code: 'AGENT_RESULT', fatal: true }) + expect((result.value as { message: string }).message).toContain('backend exploded') }) - it('phase()/log() throw host WorkflowErrors synchronously on misuse', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - try { phase(3) } catch (e) { - if (e.name !== 'WorkflowError') throw e - } - try { log(3) } catch (e) { - return { name: e.name, message: e.message } - } - `)) - expect(result.value).toMatchObject({ name: 'WorkflowError' }) - expect((result.value as { message: string }).message).toContain('log() requires') + it('a child whose dispose() rejects cannot wedge the script (the host acks anyway)', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider: SubagentProvider = { + name: 'bad-dispose', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => ({ + id: AgentId('bad-dispose-child'), + result: Promise.resolve({ output: [{ type: 'text', text: 'fine' }], stopReason: 'completed' }), + cancel: () => { /* settled already */ }, + dispose: () => Promise.reject(new Error('dispose exploded')), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'bad-dispose', maxConcurrentAgents: 2 }) + const result = await run(ctx, fakeParent(), script("return await agent('p')")) + expect(result.stopReason).toBe('completed') + expect(result.value).toBe('fine') }) - it('a returned value whose property reads throw fails loud as RESULT_UNSERIALIZABLE', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - return { get a() { throw new Error('read failed') } } - `)) - expect(result.stopReason).toBe('error') - expect(result.error).toContain('not plain JSON data') - expect(result.error).toContain('read failed') - }) - - it('a non-JSON return value fails loud as RESULT_UNSERIALIZABLE', async () => { - const { ctx, parent } = await setup() - const withDate = await run(ctx, parent, script('return { when: new Date(0) }')) - expect(withDate.stopReason).toBe('error') - expect(withDate.error).toContain('not plain JSON data') - const withFn = await run(ctx, parent, script('return { fn: () => 1 }')) - expect(withFn.error).toContain('not plain JSON data') - }) - - it('kills a synchronous spin in the initial slice via the vm timeout', async () => { - const { ctx, parent } = await setup({ config: { provider: 'stub', syncTimeoutMs: 50 } }) - const result = await run(ctx, parent, script('while (true) {}')) - expect(result.stopReason).toBe('error') - expect(result.error?.toLowerCase()).toContain('timed out') + it('a child dispose() rejecting an UNRENDERABLE value still acks — the containment warn is total', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider: SubagentProvider = { + name: 'coercion-trap-dispose', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => ({ + id: AgentId('trap-child'), + result: Promise.resolve({ output: [{ type: 'text', text: 'fine' }], stopReason: 'completed' }), + cancel: () => { /* settled already */ }, + // The rejection VALUE's own coercion throws: a warn built with bare + // String(error) would itself throw, skipping the ChildDisposed ack + // and wedging the script's finally until the grace/terminate path. + // eslint-disable-next-line @typescript-eslint/prefer-promise-reject-errors -- the non-Error rejection IS the scenario under test + dispose: () => Promise.reject({ toString: () => { throw new Error('coercion trap') } }), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'coercion-trap-dispose', maxConcurrentAgents: 2 }) + const result = await run(ctx, fakeParent(), script("return await agent('p')")) + expect(result.stopReason).toBe('completed') + expect(result.value).toBe('fine') }) }) - describe('lifecycle: parse errors, cancellation, disposal', () => { - it('start() throws synchronously for an unparseable script or invalid meta', async () => { + describe('lifecycle: parse errors, cancellation, termination, disposal', () => { + it('start() throws synchronously for an unparseable script or invalid meta (host-side pre-parse)', async () => { const { ctx, parent } = await setup() expect(() => ctx.workflows.start({ script: 'const x = 1', parent })).toThrow(/must begin with/) expect(() => ctx.workflows.start({ script: script('return ((('), parent })).toThrow(/does not parse/) }) - it('cancel() aborts in-flight children and settles the run cancelled', async () => { + it('cancel() aborts in-flight children (signal AND cancel RPC) and settles the run cancelled', async () => { const { ctx, parent, provider } = await setup({ manual: true }) - const ends: WorkflowResultInfo[] = [] - ctx.on('workflow/end', (_info, result) => { ends.push(result) }) + const ends: unknown[] = [] + ctx.on('workflow/agent-end', (_info, agent) => { ends.push(agent) }) + const runEnds: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) const handle = ctx.workflows.start({ script: script("return await agent('long job')"), parent }) await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) handle.cancel('user stopped it') const result = await handle.result expect(result.stopReason).toBe('cancelled') expect(result.error).toContain('user stopped it') + await handle.dispose() expect(provider.runs[0]!.disposed).toBe(true) + expect(ends).toEqual([expect.objectContaining({ seq: 1, outcome: 'cancelled' })]) // workflow/end is an observer's only death signal: it fires for a // cancelled run too, mirroring the settled outcome data. - expect(ends).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: 1 }]) - await handle.dispose() + expect(runEnds).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: result.agentsStarted }]) }) - it('cancellation bridges to run.cancel() on every in-flight child, not just the request signal', async () => { - const { ctx, parent, provider } = await setup({ manual: true }) - const handle = ctx.workflows.start({ - script: script("return await parallel([() => agent('a'), () => agent('b')])"), - parent, - }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) - handle.cancel('bridged') - expect((await handle.result).stopReason).toBe('cancelled') - // The seam leaves a provider free to honor run.cancel() rather than the - // request signal, so the engine must drive BOTH channels per child. - expect(provider.runs.map(r => r.cancelled)).toEqual(['bridged', 'bridged']) - await handle.dispose() - }) - - it('a provider whose result REJECTS on abort still gets a paired cancelled agent-end, and the run reports cancelled', async () => { - const ctx = new Context() - await ctx.plugin(SubagentService) - // The seam allows result to reject for infrastructure faults; a backend - // that tears down uncleanly on abort exercises the rejection path WHILE - // the run is cancelled — which must stay a cancellation, not AGENT_RESULT. - const provider: SubagentProvider = { - name: 'reject-on-abort', - capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, - inheritsParentContext: false, - start: request => ({ - id: AgentId('crashing-child'), - result: new Promise((_, reject) => { - request.signal?.addEventListener('abort', () => { reject(new Error('backend crashed on abort')) }, { once: true }) - }), - cancel: () => { /* the signal listener above is the teardown */ }, - dispose: () => Promise.resolve(), - }), - } - ctx.subagents.registerProvider(provider) - await ctx.plugin(VmWorkflowEngine, { provider: 'reject-on-abort' }) - const starts: unknown[] = [] - const ends: unknown[] = [] - ctx.on('workflow/agent-start', (_info, agent) => { starts.push(agent) }) - ctx.on('workflow/agent-end', (_info, agent) => { ends.push(agent) }) - const handle = ctx.workflows.start({ script: script("return await agent('doomed')"), parent: fakeParent() }) - await vi.waitFor(() => { expect(starts.length).toBe(1) }) - handle.cancel('user aborted') - const result = await handle.result - expect(result.stopReason).toBe('cancelled') - expect(result.error).toContain('user aborted') - expect(ends).toEqual([expect.objectContaining({ seq: 1, outcome: 'cancelled' })]) - await handle.dispose() - }) - - it('after cancellation EVERY hook throws at entry — phase/log/parallel/pipeline, not just agent()', async () => { - const { ctx, parent, provider } = await setup({ manual: true }) - let cancelled = false - const postCancel: string[] = [] - ctx.on('workflow/phase', (_info, title) => { if (cancelled) postCancel.push(`phase:${title}`) }) - ctx.on('workflow/log', (_info, message) => { if (cancelled) postCancel.push(`log:${message}`) }) - const handle = ctx.workflows.start({ - // The script survives each throw by catching, so every guarded hook is - // actually ATTEMPTED after the cancel; the run still reports cancelled. - script: script(` - phase('before') - try { await agent('x') } catch (e) {} - try { phase('after') } catch (e) {} - try { log('after') } catch (e) {} - try { await parallel([() => 'ran']) } catch (e) {} - try { await pipeline(['item'], p => p) } catch (e) {} - return 'survived by catching' - `), - parent, - }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) - cancelled = true - handle.cancel('stop everything') - const result = await handle.result - expect(result.stopReason).toBe('cancelled') - // No post-cancel progress ever reached observers, and no child started. - expect(postCancel).toEqual([]) - expect(provider.runs.length).toBe(1) - await handle.dispose() - }) - - it('an already-aborted request signal cancels before any child starts', async () => { - const { ctx, parent, provider } = await setup({ manual: true }) - const controller = new AbortController() - controller.abort() - const handle = ctx.workflows.start({ script: script("return await agent('never')"), parent, signal: controller.signal }) - const result = await handle.result - expect(result.stopReason).toBe('cancelled') - expect(provider.runs.length).toBe(0) - await handle.dispose() - }) - - it('an already-aborted signal cancels a HOOK-FREE script: the body never runs at all', async () => { - const { ctx, parent } = await setup() + it('an already-aborted request signal cancels before the body ever runs (the go handshake holds it)', async () => { + const { ctx, parent, provider } = await setup() const controller = new AbortController() controller.abort() const logs: string[] = [] @@ -652,151 +292,80 @@ describe('dsh-workflow-vm', () => { expect(result.stopReason).toBe('cancelled') expect(result.value).toBeNull() expect(logs).toEqual([]) + expect(provider.runs.length).toBe(0) await handle.dispose() }) - it('cancel() right after start() reports cancelled even when the script needed no hooks', async () => { - const { ctx, parent } = await setup() - const handle = ctx.workflows.start({ script: script('return 123'), parent }) - handle.cancel('changed my mind') - const result = await handle.result - expect(result.stopReason).toBe('cancelled') - expect(result.value).toBeNull() - expect(result.error).toContain('changed my mind') - await handle.dispose() - }) - - it('an agent() call AFTER a mid-run cancel rejects at entry — no child ever starts', async () => { + it('cancel() right after start() cancels before the body runs; the signal aborting mid-run cancels like cancel()', async () => { const { ctx, parent, provider } = await setup({ manual: true }) - const handle = ctx.workflows.start({ - script: script(` - await agent('first') - return await agent('second') - `), - parent, - }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) - // Same synchronous block: the first child settles completed, then the - // cancel lands BEFORE the script's continuation can call agent() again. - provider.runs[0]!.settle(text('first done')) - handle.cancel('mid-run') - const result = await handle.result - expect(result.stopReason).toBe('cancelled') - expect(provider.runs.length).toBe(1) - await handle.dispose() - }) + const first = ctx.workflows.start({ script: script("return await agent('never')"), parent }) + // No-reason cancel: the canonical default reason must ride the result. + first.cancel() + const firstResult = await first.result + expect(firstResult.stopReason).toBe('cancelled') + expect(firstResult.error).toContain('workflow cancelled') + expect(provider.runs.length).toBe(0) + await first.dispose() - it('the signal aborting mid-run cancels like cancel()', async () => { - const { ctx, parent, provider } = await setup({ manual: true }) const controller = new AbortController() - const handle = ctx.workflows.start({ script: script("return await agent('job')"), parent, signal: controller.signal }) + const second = ctx.workflows.start({ script: script("return await agent('job')"), parent, signal: controller.signal }) await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) controller.abort() - const result = await handle.result - expect(result.stopReason).toBe('cancelled') - await handle.dispose() + expect((await second.result).stopReason).toBe('cancelled') + await second.dispose() }) - it('reports a non-Error script throw (a thrown string) faithfully', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script("throw 'plain string failure'")) - expect(result.stopReason).toBe('error') - expect(result.error).toContain('plain string failure') - }) - - it('a script Error surfaces its stack, carrying the script line numbers (lineOffset)', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script("throw new Error('with stack')")) - expect(result.stopReason).toBe('error') - // Line 1 is the blanked meta statement; the throw sits on line 2. - expect(result.error).toContain('workflow:test-flow:2') - }) - - it('an object throw with neither stack nor message stringifies', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script('throw { code: 42 }')) - expect(result.stopReason).toBe('error') - expect(result.error).toBe('[object Object]') - }) - - it('falls back to the message for an Error whose stack was stripped', async () => { - const { ctx, parent } = await setup() - const result = await run(ctx, parent, script(` - const e = new Error('stackless failure') - e.stack = undefined - throw e - `)) - expect(result.stopReason).toBe('error') - expect(result.error).toBe('stackless failure') - }) - - it('cancel() in the same frame as start(): the awaited slot tick cannot start a child', async () => { + it('a child-start racing the host cancel is refused: no child starts after cancellation', async () => { const { ctx, parent, provider } = await setup({ manual: true }) - // agent() enters during start()'s synchronous slice and suspends on the - // acquireSlot await (one microtask tick even with a free slot); the - // synchronous cancel below lands in that tick. Without the post-acquire - // re-check the continuation would start a child carrying an ALREADY- - // aborted signal — which the stub provider (subscribing only to future - // abort events, like a real backend) would never settle, leaking it. - const handle = ctx.workflows.start({ script: script("return await agent('never')"), parent }) - handle.cancel('immediately after start') + // Cancel from INSIDE the log listener: the worker has already posted + // its child-start (queued right behind the log message), so the host + // processes it with cancelReason set — the refusal arm no real-world + // timing can hit reliably. (The closure runs only after `handle` below + // is initialized — the listener fires on the worker's first message.) + ctx.on('workflow/log', () => { handle.cancel('cancelled from the log listener') }) + const handle = ctx.workflows.start({ script: script("log('mark')\nreturn await agent('late')"), parent }) const result = await handle.result expect(result.stopReason).toBe('cancelled') expect(provider.runs.length).toBe(0) await handle.dispose() }) - it('a waiter resumed by a release RACING a cancel still dies at the post-acquire check', async () => { - const { ctx, parent, provider } = await setup({ manual: true, config: { provider: 'stub', maxConcurrentAgents: 1 } }) + it('post-cancel narration is suppressed host-side, and completion racing a cancel reports cancelled', async () => { + const { ctx, parent } = await setup() + const narration: string[] = [] + ctx.on('workflow/log', (_info, message) => { narration.push(message) }) + ctx.on('workflow/phase', (_info, title) => { narration.push(`phase:${title}`) }) const handle = ctx.workflows.start({ - script: script("return await parallel([() => agent('a'), () => agent('b')])"), + // The sync spin keeps the worker's loop busy so the cancel message + // cannot be processed before the script settles `completed` — the + // worker posts a completed result that must LOSE to the in-flight + // host cancellation. The trailing narration exercises host-side + // suppression: posted pre-cancel-processing worker-side, arriving + // post-cancel host-side. + script: script(` + log('started') + const end = Date.now() + 1000 + while (Date.now() < end) {} + phase('late phase') + log('late log') + return 'done' + `), parent, }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) - // Same synchronous block: b is still a QUEUED waiter when the cancel - // lands, so cancel() rejects it outright; together with the immediate- - // cancel test above (the resumed-waiter tick), no post-cancel path can - // reach subagents.start. - provider.runs[0]!.settle(text('a-done')) - handle.cancel('raced') + await vi.waitFor(() => { expect(narration).toContain('started') }) + handle.cancel('raced the completion') const result = await handle.result expect(result.stopReason).toBe('cancelled') - expect(provider.runs.length).toBe(1) + expect(result.error).toContain('raced the completion') + expect(narration).toEqual(['started']) await handle.dispose() - }) + }, 15_000) - it('a dropped agent() promise cannot become an unhandled rejection when cancellation lands', async () => { - const unhandled: unknown[] = [] - const onUnhandled = (reason: unknown): void => { unhandled.push(reason) } - process.on('unhandledRejection', onUnhandled) - try { - const { ctx, parent, provider } = await setup({ manual: true }) - const handle = ctx.workflows.start({ - script: script(` - agent('dropped, never awaited') - return await agent('awaited') - `), - parent, - }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) - handle.cancel() - await handle.result - await handle.dispose() - // Let any stray rejection reach the process hook before asserting. - await new Promise(resolve => setTimeout(resolve, 20)) - expect(unhandled).toEqual([]) - } finally { - process.off('unhandledRejection', onUnhandled) - } - }) - - it('cancel() force-settles the result of a script parked on a promise no hook owns', async () => { - const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) - const ends: WorkflowResultInfo[] = [] - ctx.on('workflow/end', (_info, result) => { ends.push(result) }) + it('cancel() force-settles a script parked on a promise no hook owns, and TERMINATES its worker', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 50 } }) + const runEnds: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) const handle = ctx.workflows.start({ - // No hooks involved: an unsettleable await cancellation cannot reject - // — the abandon grace is the only thing that can settle this run. script: script("await new Promise(() => {})\nreturn 'unreachable'"), parent, }) @@ -805,31 +374,20 @@ describe('dsh-workflow-vm', () => { expect(result.stopReason).toBe('cancelled') expect(result.error).toContain('user aborted') // The grace force-settle fires workflow/end exactly like an ordinary - // settlement — an abandoned script's death still reaches observers. - expect(ends).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: 0 }]) + // settlement — a terminated script's death still reaches observers. + expect(runEnds).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: 0 }]) await handle.dispose() }) - it('a never-settling returned thenable is abandoned the same way', async () => { - const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) - const handle = ctx.workflows.start({ script: script('return { then() {} }'), parent }) - handle.cancel() - expect((await handle.result).stopReason).toBe('cancelled') - await handle.dispose() - }) - - it('dispose() abandons a stuck script after the grace instead of hanging (result settles cancelled)', async () => { - const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 30 } }) + it('dispose() on a stuck script returns within the grace instead of hanging (result settles cancelled)', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 50 } }) const handle = ctx.workflows.start({ script: script("await new Promise(() => {})\nreturn 'unreachable'"), parent, }) const before = Date.now() await handle.dispose() - expect(Date.now() - before).toBeLessThan(1000) - // The abandon that freed dispose() also settled result — a consumer - // still awaiting it (the tool does, before its disposing finally) is - // released rather than wedged forever. + expect(Date.now() - before).toBeLessThan(2000) const result = await handle.result expect(result.stopReason).toBe('cancelled') }) @@ -842,25 +400,28 @@ describe('dsh-workflow-vm', () => { await handle.dispose() }) - it('strays: children fired without await are aborted once the script settles', async () => { - const { ctx, parent, provider } = await setup({ manual: true }) - const handle = ctx.workflows.start({ - script: script(` - agent('stray') - return 'done without awaiting' - `), - parent, - }) - const result = await handle.result - expect(result.stopReason).toBe('completed') - await vi.waitFor(() => { - expect(provider.runs.length).toBe(1) - expect(provider.runs[0]!.disposed).toBe(true) - }) - await handle.dispose() + it('a settled run arms NO grace timer: disposing a completed run must not pin it for disposeGraceMs', async () => { + // A distinctive grace so the spy can tell the cancel-path grace timer + // apart from every other timeout in flight. + const GRACE = 44_444 + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: GRACE } }) + const handle = ctx.workflows.start({ script: script('return 1'), parent }) + await handle.result + const spy = vi.spyOn(globalThis, 'setTimeout') + try { + await handle.dispose() + // dispose()'s own bounded-wait sleep is the ONLY grace-sized timer + // allowed here; before the settled guard, cancel() armed a second one + // that nothing would ever clear (the run was already settled), keeping + // the WorkerRun/Worker closure alive until the grace expired. + const graceTimers = spy.mock.calls.filter(call => call[1] === GRACE) + expect(graceTimers.length).toBe(1) + } finally { + spy.mockRestore() + } }) - it('dispose() waits for a stray child to FINISH disposing (quiescence), not just the script settle', async () => { + it('strays: children fired without await are aborted once the script settles, and dispose() waits for their disposal', async () => { const { ctx, parent, provider } = await setup({ manual: true, disposeDelayMs: 40 }) const handle = ctx.workflows.start({ script: script(` @@ -871,12 +432,222 @@ describe('dsh-workflow-vm', () => { }) const result = await handle.result expect(result.stopReason).toBe('completed') - expect(provider.runs.length).toBe(1) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) await handle.dispose() // Not a waitFor: by the time dispose() returns, the slow child disposal - // must already be complete. + // must already be complete (host-side registry quiescence). expect(provider.runs[0]!.disposed).toBe(true) }) + + it('the settle-reap fires the request signal too: a provider honoring ONLY the signal winds its stray down promptly', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const aborted: string[] = [] + const provider: SubagentProvider = { + name: 'signal-only', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: (request) => { + let settle!: (result: SubagentResult) => void + const result = new Promise((resolve) => { settle = resolve }) + request.signal?.addEventListener('abort', () => { + aborted.push(String(request.signal?.reason)) + settle({ output: [], stopReason: 'aborted' }) + }, { once: true }) + return { + id: AgentId('signal-only-child'), + result, + // The seam leaves a provider free to honor EITHER cancel channel; + // this one deliberately ignores run.cancel() — only the request + // signal can wind it down. + cancel: () => { /* signal-only by design */ }, + dispose: () => Promise.resolve(), + } + }, + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'signal-only', maxConcurrentAgents: 2 }) + const handle = ctx.workflows.start({ + script: script(` + agent('stray, never awaited') + return 'done' + `), + parent: fakeParent(), + }) + const result = await handle.result + expect(result.stopReason).toBe('completed') + // BEFORE dispose(): the settlement itself must have aborted the signal — + // without it this child would stay live until dispose's terminate. + await vi.waitFor(() => { expect(aborted).toEqual(['workflow settled']) }) + await handle.dispose() + }) + + it("cancel() drives each child's explicit cancel() host-side: a wedged worker cannot delay it", async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + let starts = 0 + const cancelled: string[] = [] + const provider: SubagentProvider = { + name: 'cancel-only', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => { + starts += 1 + return { + id: AgentId('cancel-only-child'), + result: new Promise(() => { /* only cancel() ends this child */ }), + // Deliberately ignores the request signal — the seam leaves a + // provider free to honor ONLY the explicit cancel() channel. + cancel: (reason?: string) => { cancelled.push(reason ?? 'cancelled') }, + dispose: () => Promise.resolve(), + } + }, + } + ctx.subagents.registerProvider(provider) + // A deliberately huge grace: if only the grace/terminate reap could + // reach this child, the assertion below would time out first. + await ctx.plugin(WorkerWorkflowEngine, { provider: 'cancel-only', maxConcurrentAgents: 2, disposeGraceMs: 30_000 }) + const handle = ctx.workflows.start({ + // The stray child's start RPC reaches the host, then the script wedges + // its own worker in a synchronous spin: the worker cannot process the + // Cancel message, so it can relay NO ChildCancel RPC — only the host's + // own children loop can deliver the explicit cancel in time. + script: script(` + agent('wedged child') + const end = Date.now() + 1500 + while (Date.now() < end) {} + return 'raced' + `), + parent: fakeParent(), + }) + await vi.waitFor(() => { expect(starts).toBe(1) }) + handle.cancel('stop now') + await vi.waitFor(() => { expect(cancelled).toEqual(['stop now']) }, { timeout: 800 }) + // The wedged worker's own completion loses to the in-flight cancel. + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + await handle.dispose() + }, 15_000) + }) + + describe('worker death', () => { + it('a worker that exits before settling reports an error result and reaps its children', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + // The child's dispose() REJECTS on top of the worker death: the reap + // must contain it (warn, not crash) while still emptying the registry. + const cancelled: string[] = [] + const provider: SubagentProvider = { + name: 'doomed', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => ({ + id: AgentId('doomed-child'), + result: new Promise(() => { /* never settles; the reap is the teardown */ }), + cancel: (reason?: string) => { cancelled.push(reason ?? 'cancelled') }, + dispose: () => Promise.reject(new Error('dispose exploded during reap')), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'doomed', maxConcurrentAgents: 2 }) + const runEnds: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) + const handle = ctx.workflows.start({ + // The stray child's start RPC reaches the host, then the script kills + // its own worker through the documented vm escape — the host must + // settle `error` with the exit diagnostics and wind the child down. + script: script(` + agent('doomed') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 200)) + proc.exit(7) + `), + parent: fakeParent(), + }) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('exit code 7') + expect(result.agentsStarted).toBe(1) + // A worker death is a stop reason like any other: workflow/end fires + // with the error outcome — for a bus observer it is the only obituary. + expect(runEnds).toEqual([{ stopReason: 'error', error: result.error, agentsStarted: 1 }]) + await vi.waitFor(() => { expect(cancelled.length).toBe(1) }) + await handle.dispose() + }, 15_000) + + it('an uncaught exception inside the worker surfaces as an error result and reaps the in-flight child', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + script: script(` + agent('in flight when the worker dies') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 200)) + proc.nextTick(() => { throw new Error('worker blew up') }) + await new Promise(() => {}) + `), + parent, + }) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('worker blew up') + // The reap wound the stray child down (cancel + a CLEAN dispose). + await vi.waitFor(() => { + expect(provider.runs.length).toBe(1) + expect(provider.runs[0]!.disposed).toBe(true) + }) + await handle.dispose() + }, 15_000) + + it('a dispose ack racing the worker death is dropped, not crashed (post after exit)', async () => { + // Slow child disposal: the ack resolves only AFTER the worker died, so + // it has nowhere to go and must be dropped silently (the workerGone + // guard in post()). + const { ctx, parent, provider } = await setup({ disposeDelayMs: 300 }) + const handle = ctx.workflows.start({ + // The STRAY child settles instantly, so its wrapper starts the slow + // host-side disposal concurrently while the script goes on to kill + // its own worker — the ack then resolves into a dead thread. + script: script(` + agent('stray, never awaited') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 150)) + proc.exit(5) + `), + parent, + }) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('exit code 5') + await vi.waitFor(() => { expect(provider.runs[0]!.disposed).toBe(true) }) + await handle.dispose() + }, 15_000) + + it('a worker death AFTER a cancel reports cancelled, not error', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 60_000 } }) + const handle = ctx.workflows.start({ + script: script(` + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + log('armed') + await new Promise(resolve => st(resolve, 400)) + proc.exit(3) + `), + parent, + }) + const logs: string[] = [] + ctx.on('workflow/log', (_info, message) => { logs.push(message) }) + await vi.waitFor(() => { expect(logs).toContain('armed') }) + handle.cancel('stop it') + // The grace is deliberately huge: only the worker's own death (exit 3, + // unreachable by the cancel — the script ignores hooks) settles this. + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('stop it') + await handle.dispose() + }, 15_000) }) describe('service surface', () => { @@ -887,7 +658,6 @@ describe('dsh-workflow-vm', () => { const first = ctx.workflows.start({ script: script('return 1'), parent }) const second = ctx.workflows.start({ script: script('return 2'), parent }) expect(first.id).not.toBe(second.id) - // Mutating a listener's snapshot cannot corrupt the holder's view. eventMeta!.meta.name = 'corrupted' expect(second.meta.name).toBe('test-flow') await Promise.all([first.result, second.result]) @@ -895,38 +665,24 @@ describe('dsh-workflow-vm', () => { await second.dispose() }) - it('a listener mutating one event payload cannot corrupt later events (per-emission snapshots)', async () => { - const { ctx, parent } = await setup() - const ends: unknown[] = [] - let endInfo: WorkflowRunInfo | undefined - ctx.on('workflow/agent-start', (info, agent) => { - agent.seq = 999 - agent.label = 'HACKED' - info.meta.name = 'HACKED' - }) - ctx.on('workflow/agent-end', (info, agent) => { - ends.push(agent) - endInfo = info - }) - await run(ctx, parent, script("return await agent('job', { label: 'honest' })")) - expect(ends[0]).toMatchObject({ seq: 1, label: 'honest', outcome: 'completed' }) - expect(endInfo!.meta.name).toBe('test-flow') - }) - - it('unregisters ctx.workflows when the engine fiber is disposed (HMR safety)', async () => { + it('unregisters ctx.workflows when the engine fiber is disposed (HMR safety), and default config runs (auto concurrency)', async () => { const ctx = new Context() await ctx.plugin(SubagentService) - const fiber = await ctx.plugin(VmWorkflowEngine, {}) + const fiber = await ctx.plugin(WorkerWorkflowEngine, {}) expect(ctx.get('workflows')).toBeDefined() + // A zero-agent run through the DEFAULT config exercises the auto + // concurrency resolution (cores - 2, capped) in start(). + const result = await run(ctx, fakeParent(), script('return 6 * 7')) + expect(result.value).toBe(42) await fiber.dispose() expect(ctx.get('workflows')).toBeUndefined() }) it('has the class-plugin export shape (default = the engine service class)', () => { - expect(vmEngineModule.default).toBe(VmWorkflowEngine) + expect(workerEngineModule.default).toBe(WorkerWorkflowEngine) const loader = Object.create(Loader.prototype) as Loader - const unwrapped: unknown = loader.unwrapExports(vmEngineModule) - expect(unwrapped).toBe(VmWorkflowEngine) + const unwrapped: unknown = loader.unwrapExports(workerEngineModule) + expect(unwrapped).toBe(WorkerWorkflowEngine) }) }) }) diff --git a/packages/workflow/workflow-vm/tests/workflow.e2e.ts b/packages/workflow/workflow-vm/tests/workflow.e2e.ts index c3f959d072..76cfd73d33 100644 --- a/packages/workflow/workflow-vm/tests/workflow.e2e.ts +++ b/packages/workflow/workflow-vm/tests/workflow.e2e.ts @@ -9,16 +9,14 @@ import AgentLoop from '@deepseek-ai/dsh-agent-loop' import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' import SubagentService from '@deepseek-ai/dsh-subagent' import * as Spawn from '@deepseek-ai/dsh-subagent-spawn' -import * as ToolWorkflow from '@deepseek-ai/dsh-tool-workflow' -import { CallId } from '@deepseek-ai/dsh-llm' -import VmWorkflowEngine from '../src/index.ts' +import WorkerWorkflowEngine from '../src/index.ts' /** - * With-key e2e for the workflow engine: a REAL script drives REAL spawn - * children against the live DeepSeek API — one plain child and one schema'd - * child through the real structured-output runtime — and the run's value, - * events, and child sessions are asserted from the outside (never the - * script's self-report alone). Key-gated (self-skips without + * With-key e2e: a REAL script in a REAL worker thread + * drives REAL spawn children against the live DeepSeek API — one plain child + * and one schema'd child through the real structured-output runtime — and + * the run's value, events, and child sessions are asserted from the outside + * (never the script's self-report alone). Key-gated (self-skips without * DEEPSEEK_API_KEY). */ @@ -40,14 +38,13 @@ async function harness(): Promise { await built.plugin(LlmDeepSeek, { models: ['deepseek-v4-flash'] }) await built.plugin(SubagentService) await built.plugin(Spawn, { providerName: 'spawn' }) - await built.plugin(VmWorkflowEngine, { provider: 'spawn' }) - await built.plugin(ToolWorkflow, {}) + await built.plugin(WorkerWorkflowEngine, { provider: 'spawn' }) return built } const SCRIPT = `export const meta = { - name: 'e2e-arithmetic', - description: 'two real children: one prose, one structured', + name: 'e2e-worker-arithmetic', + description: 'two real children through a worker thread: one prose, one structured', phases: [{ title: 'Ask' }, { title: 'Judge' }], } phase('Ask') @@ -61,12 +58,12 @@ const judged = await agent( ) return { prose, containsFour: judged === null ? null : judged.containsFour }` -describe.skipIf(!process.env.DEEPSEEK_API_KEY)('workflow engine with-key e2e', () => { - it('runs a two-phase script over real children, one through the structured runtime', async () => { +describe.skipIf(!process.env.DEEPSEEK_API_KEY)('worker workflow engine with-key e2e', () => { + it('runs a two-phase script in a worker thread over real children, one through the structured runtime', async () => { ctx = await harness() const parentHandle = ctx.agents.create({ - agentId: AgentId('wf-e2e-parent'), - sessionId: 'wf-e2e-session' as never, + agentId: AgentId('wf-worker-e2e-parent'), + sessionId: 'wf-worker-e2e-session' as never, agentOptions: { model: 'deepseek-v4-flash' }, }) @@ -102,30 +99,4 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('workflow engine with-key e2e', ( } await parentHandle.dispose() }, 240_000) - - it('the workflow TOOL runs the same path through the real registry pipeline', async () => { - ctx = await harness() - const parentHandle = ctx.agents.create({ - agentId: AgentId('wf-e2e-tool-parent'), - sessionId: 'wf-e2e-tool-session' as never, - agentOptions: { model: 'deepseek-v4-flash' }, - }) - - const result = await ctx.tools.execute({ - callId: CallId('wf-e2e-call'), - name: 'workflow', - arguments: { - script: `export const meta = { name: 'e2e-tool', description: 'one real child via the tool' } -const answer = await agent('Reply with exactly one word: the capital of France.') -return { answer }`, - }, - agent: parentHandle.agent, - }) - - expect(result.isError).toBe(false) - const text = (result.content[0] as { text: string }).text - expect(text).toContain('workflow "e2e-tool" completed (1 agent)') - expect(text.toLowerCase()).toContain('paris') - await parentHandle.dispose() - }, 240_000) }) diff --git a/packages/workflow/workflow-vm/tsdown.config.ts b/packages/workflow/workflow-vm/tsdown.config.ts new file mode 100644 index 0000000000..3102a36c1c --- /dev/null +++ b/packages/workflow/workflow-vm/tsdown.config.ts @@ -0,0 +1,32 @@ +import { defineConfig } from 'tsdown' + +/** + * The engine ships two runtime entries: the engine service (index) and the + * worker-thread entry (worker) the engine spawns via `new Worker`. The + * entries are JS emitted by tsc under lib/types and are bundled as two + * single-entry passes so shared modules (realm, runtime, session) are inlined + * into each instead of split into a hash-named chunk (the worker entry must + * be a self-contained file the Worker constructor can load by path). + */ +export default defineConfig([ + { + entry: ['lib/types/index.js'], + outDir: 'lib', + format: ['esm'], + platform: 'node', + target: 'es2024', + fixedExtension: false, + dts: false, + clean: false, + }, + { + entry: ['lib/types/worker.js'], + outDir: 'lib', + format: ['esm'], + platform: 'node', + target: 'es2024', + fixedExtension: false, + dts: false, + clean: false, + }, +]) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index f236c67bf2..e3e1892e35 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -1159,6 +1159,9 @@ importers: cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + tsx: + specifier: ^4.19.2 + version: 4.22.4 vendor/cordis: dependencies: diff --git a/scripts/check-workspace-constraints.ts b/scripts/check-workspace-constraints.ts index f579169ab0..2d12a66d8f 100644 --- a/scripts/check-workspace-constraints.ts +++ b/scripts/check-workspace-constraints.ts @@ -105,12 +105,25 @@ const dshBinPackageFiles = [ 'src', ] as const +const dshWorkerPackageFiles = [ + 'lib/index.js', + 'lib/worker.js', + 'lib/types/**/*.d.ts', + 'lib/types/**/*.d.ts.map', + 'src', +] as const + function sameStringList(actual: readonly string[] | undefined, expected: readonly string[]): boolean { return !!actual && actual.length === expected.length && actual.every((value, index) => value === expected[index]) } function expectedDshPackageFiles(manifest: PackageManifest): readonly string[] { - return manifest.bin ? dshBinPackageFiles : dshPackageFiles + if (manifest.bin) return dshBinPackageFiles + // A declared "./worker" subpath export sanctions the one extra runtime + // bundle a worker-thread entry needs (and NodeNext/publint then validate + // that subpath's targets like any other export). + if (manifest.exports?.['./worker']) return dshWorkerPackageFiles + return dshPackageFiles } function checkWorkspace({ dir, manifest }: WorkspaceManifest): string[] { diff --git a/scripts/run-gates.ts b/scripts/run-gates.ts index 6c844f842a..25e08cf8d2 100644 --- a/scripts/run-gates.ts +++ b/scripts/run-gates.ts @@ -310,6 +310,10 @@ function builtBinSmokeGate(): Gate { 'vitest.e2e.config.ts', 'packages/ui/stdio-agent/tests/built-bin.e2e.ts', 'packages/ui/acp-agent/tests/built-bin.e2e.ts', + // The workflow engine's built worker bundle: the only automated proof + // that lib/index.js resolves its sibling lib/worker.js under plain node + // (the e2e lane runs unbuilt, so this file self-skips there). + 'packages/workflow/workflow-vm/tests/built-worker.e2e.ts', ], { label: 'built-bin smoke', needs: ['build'], From d5c65e2b4c52271c9fb1a895b64d5457793bdd4c Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 18:50:29 +0800 Subject: [PATCH 47/90] docs: describe the workflow engine as worker-thread first The outer ring catches up with the engine swap (the package's own README/JSDoc rode the port commit): - Seam module doc and README name the worker-thread engine as THE implementation, with isolated-vm/separate-process sandboxing as the deferred hardening; the seam service doc states the holder-owned-runs contract (engine-fiber disposal deliberately leaves live runs to their holders). - Seam contract precision: agentsStarted documents the termination-path degradation to the host-observed count; the events section scopes the agent-start/agent-end pair to calls that STARTED a child run; WorkflowRun wording drops the vm-era abandonment language. - The dynamic-workflows RFC is rewritten in place to the shipped mechanism (implemented-RFC rule): why worker threads, the thread's concrete buys, the in-process node:vm first cut recorded under alternatives considered; the tool section describes the usage policy as the tool's own prompt section. - gen-doc-graphs: six workflow/* DYNAMIC_EVENT_DISPATCHERS entries (the catalog no longer claims nothing dispatches them) and the seam-note wording; core-data-structures gains its workflow.md index row; packages/README + AGENTS.md layout line + example cordis.yml comments say worker-thread; catalogs regenerated. --- AGENTS.md | 2 +- docs/capability-seams.md | 2 +- docs/config-catalog.md | 8 +++---- docs/cordis-catalog/services.md | 3 ++- docs/core-data-structures/core.md | 1 + docs/core-data-structures/workflow.md | 4 ++-- docs/event-producer-consumer.md | 12 +++++------ .../feature/2026-07-05-dynamic-workflows.md | 17 ++++++++------- examples/acp-agent/cordis.yml | 8 +++---- examples/coding-agent/cordis.yml | 8 +++---- packages/README.md | 2 +- packages/workflow/README.md | 4 ++-- packages/workflow/workflow/README.md | 6 +++--- packages/workflow/workflow/src/index.ts | 13 ++++++++---- packages/workflow/workflow/src/types.ts | 21 ++++++++++++------- scripts/gen-doc-graphs.ts | 10 ++++++++- 16 files changed, 72 insertions(+), 49 deletions(-) diff --git a/AGENTS.md b/AGENTS.md index eb34d404a0..5602b244ce 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -18,7 +18,7 @@ packages/ Harness packages at packages///, all named @deepseek-ai web/ web seam + search/fetch providers + model-facing web tools compact/ compaction seam + basic backend subagent/ subagent seam + spawn/fork/ACP backends + delegation tool - workflow/ workflow seam + node:vm script engine + the workflow tool + workflow/ workflow seam + worker-thread script engine + the workflow tool todo/ the todo_write tool hooks/ Claude Code / Codex hook bridges + shared wire-protocol library session-persistence/ persistence seam + JSONL/SQLite backends diff --git a/docs/capability-seams.md b/docs/capability-seams.md index caa9905e46..1a13bd2060 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -145,6 +145,6 @@ flowchart LR | `ctx.compact` | `seam` | [`compact`](../packages/compact/compact) | [`compact-basic`](../packages/compact/compact-basic) | [`compact-basic`](../packages/compact/compact-basic) | - | The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred. | | `ctx.subagents` | `seam` | [`subagent`](../packages/subagent/subagent) | [`subagent-spawn`](../packages/subagent/subagent-spawn), [`subagent-fork`](../packages/subagent/subagent-fork), [`subagent-acp`](../packages/subagent/subagent-acp), [`subagent-mock`](../packages/support/subagent-mock) | [`tool-subagent`](../packages/subagent/tool-subagent) | - | Providers implement transports; tool-subagent exposes one configured provider as a model-facing tool name. | | `ctx.web` | `seam` | [`web`](../packages/web/web) | [`web-search-exa`](../packages/web/web-search-exa), [`web-search-perplexity`](../packages/web/web-search-perplexity), [`web-search-deepseek`](../packages/web/web-search-deepseek), [`web-fetch-local`](../packages/web/web-fetch-local) | [`tool-web`](../packages/web/tool-web) | - | Search and fetch providers register into one ctx.web seam; tool-web owns the stable model-facing names. | -| `ctx.workflows` | `seam` | [`workflow`](../packages/workflow/workflow) | [`workflow-vm`](../packages/workflow/workflow-vm) | [`tool-workflow`](../packages/workflow/tool-workflow) | - | One engine per context (bash shape, no named-provider registry); the vm engine fans agent() calls out through ctx.subagents. | +| `ctx.workflows` | `seam` | [`workflow`](../packages/workflow/workflow) | [`workflow-vm`](../packages/workflow/workflow-vm) | [`tool-workflow`](../packages/workflow/tool-workflow) | - | One engine per context (bash shape, no named-provider registry); the worker-thread engine fans agent() calls out through ctx.subagents. | Maintenance mode: hybrid: services are discovered from Cordis declarations; interface/implementation/consumer roles are classified in `scripts/gen-doc-graphs.ts` with a completeness guard. diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 8ffaefdabd..300468dd70 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -815,18 +815,18 @@ export interface Config { maxTotalAgents?: number /** Items accepted by a single `parallel()`/`pipeline()` call (default 4096). */ maxItemsPerCall?: number - /** vm timeout for the script's initial synchronous slice AND the meta-literal evaluation (default 5000 ms). */ + /** vm timeout for the initial synchronous slice (inside the worker) AND the host-side meta evaluation (default 5000 ms). */ syncTimeoutMs?: number /** * How long after a cancellation an unsettled script may keep running before - * it is abandoned and `result` force-settles `cancelled` (default 5000 ms); - * also bounds `dispose()`. + * the run force-settles `cancelled` and its worker is TERMINATED (default + * 5000 ms); also bounds `dispose()`. */ disposeGraceMs?: number } ``` -Source: [`packages/workflow/workflow-vm/src/index.ts:58`](../packages/workflow/workflow-vm/src/index.ts) +Source: [`packages/workflow/workflow-vm/src/index.ts:69`](../packages/workflow/workflow-vm/src/index.ts) ## Loadable plugins with no config diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 027fa054c1..13c9f57733 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -238,12 +238,13 @@ Semantics every implementation must honor: - start throws synchronously for a request that cannot begin (an unparseable script, an invalid meta block). Once it returns a WorkflowRun, `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, `result` SETTLES within the implementation's bounded grace even if the script itself never settles (a consumer awaiting `result` must never be wedged past a cancellation). - The `workflow/*` events fire through emitWorkflowEvent (data snapshots, per-listener containment); `workflow/end` fires exactly once per started run, after `result` is settled or as it settles. - `dispose()` reaches quiescence within a bounded grace: it cancels, waits for the script to settle AND its started children to finish disposing, and abandons whatever is left rather than hanging its caller (the engine documents what abandonment leaves behind). +- Runs are HOLDER-OWNED: the engine hands control (`cancel`/`dispose`) to the `start()` caller and does not track its live runs — disposing the engine's own fiber mid-run deliberately leaves those runs to their holders' teardown, so an engine reload cannot yank a run out from under the consumer awaiting it. ```ts cordis-catalog abstract start(request: WorkflowStartRequest): WorkflowRun ``` -Source: [`packages/workflow/workflow/src/index.ts:202`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:207`](../../packages/workflow/workflow/src/index.ts) ## Inherited `ctx` members (cordis core + loader/hmr/timer) diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 7d1110d7a8..2f1e5031e9 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -24,6 +24,7 @@ Everything else is documented on a **sub-page**, not here. The rule that draws t | [compaction.md](compaction.md) | the compaction seam: the `compact/*` session events, `CompactionResult`, the `CompactService` interface | | [subagent.md](subagent.md) | the subagent seam: the named-provider registry, `SubagentStartRequest`/`Result`/`Run`, the start-time-vs-runtime capability split | | [web.md](web.md) | the web access seam: `WebSearchRequest`/`Result`, `WebFetchRequest`/`Result`, `WebFetchBody`, provider/capability status, `WebError` | +| [workflow.md](workflow.md) | the workflow seam: `WorkflowStartRequest`, `WorkflowMeta`, `WorkflowRun`/`Result`, the `workflow/*` event payloads, `WorkflowError` fatality | > Type definitions on this page are pasted **verbatim** from source and drift-checked by `pnpm run verify-type-equiv` (see [development.md](../development.md#documenting-types-verbatim-ts-type-equiv)). Inline JSDoc is omitted for readability; follow the source link for the full contracts. diff --git a/docs/core-data-structures/workflow.md b/docs/core-data-structures/workflow.md index 8c7916a6c3..4d880ea948 100644 --- a/docs/core-data-structures/workflow.md +++ b/docs/core-data-structures/workflow.md @@ -2,7 +2,7 @@ The workflow seam — an agent running a model-written orchestration SCRIPT that fans out subagents. Like [subagent](subagent.md) it is **one optional capability**, not part of the agent-loop spine, so its vocabulary lives here rather than in [core.md](core.md). Unlike the subagent registry it takes the bash shape: ONE engine implementation per context provides `ctx.workflows`; there is no named-provider registry (a second engine is a plugin swap, not a co-resident). -Interface: [dsh-workflow](../../packages/workflow/workflow) (`ctx.workflows` + the vocabulary below). The implementation is [dsh-workflow-vm](../../packages/workflow/workflow-vm) (an in-process `node:vm` engine); the model-facing consumer is [dsh-tool-workflow](../../packages/workflow/tool-workflow). The proposal and rationale: [the dynamic-workflows RFC](../rfc/implemented/feature/2026-07-05-dynamic-workflows.md). +Interface: [dsh-workflow](../../packages/workflow/workflow) (`ctx.workflows` + the vocabulary below). The implementation is [dsh-workflow-vm](../../packages/workflow/workflow-vm) (a `node:worker_threads` engine — one worker per run, the script's vm context inside it); the model-facing consumer is [dsh-tool-workflow](../../packages/workflow/tool-workflow). The proposal and rationale: [the dynamic-workflows RFC](../rfc/implemented/feature/2026-07-05-dynamic-workflows.md). Source: [`packages/workflow/workflow/src/types.ts`](../../packages/workflow/workflow/src/types.ts) @@ -47,7 +47,7 @@ interface WorkflowResult { ## A live run: `WorkflowRun` -The handle the consumer holds while a script executes. The consumer awaits `result`, may `cancel` mid-flight, and MUST `dispose` on every path. `result` does NOT reject — a script failure resolves with `stopReason: 'error'` — and once the run is cancelled it SETTLES within the engine's bounded grace even if the script itself never settles (the engine abandons the script and reports `cancelled`), so a consumer awaiting `result` is never wedged past a cancellation. `dispose()` = cancel + that bounded settle + child quiescence (the engine documents what abandonment leaves behind); it never hangs on a stuck script. +The handle the consumer holds while a script executes. The consumer awaits `result`, may `cancel` mid-flight, and MUST `dispose` on every path. `result` does NOT reject — a script failure resolves with `stopReason: 'error'` — and once the run is cancelled it SETTLES within the engine's bounded grace even if the script itself never settles (the engine force-settles `cancelled`; the worker-thread engine then terminates the script's worker), so a consumer awaiting `result` is never wedged past a cancellation. `dispose()` = cancel + that bounded settle + child quiescence; it never hangs on a stuck script. ```ts type-equiv interface WorkflowRun { diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index ec1fc468e3..a8618022a5 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -34,11 +34,11 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `tools/change` | `emit` | [`packages/core/tools/src/index.ts:97`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | | `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:92`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | | `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:76`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:93`](../packages/workflow/workflow/src/index.ts) | - | - | -| `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:85`](../packages/workflow/workflow/src/index.ts) | - | - | -| `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:103`](../packages/workflow/workflow/src/index.ts) | - | - | -| `workflow/log` | `emit` | [`packages/workflow/workflow/src/index.ts:77`](../packages/workflow/workflow/src/index.ts) | - | - | -| `workflow/phase` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | - | - | -| `workflow/start` | `emit` | [`packages/workflow/workflow/src/index.ts:62`](../packages/workflow/workflow/src/index.ts) | - | - | +| `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:93`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:85`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:103`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/log` | `emit` | [`packages/workflow/workflow/src/index.ts:77`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/phase` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/start` | `emit` | [`packages/workflow/workflow/src/index.ts:62`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | Maintenance mode: hybrid generated: Cordis event declarations and most producer/listener edges are AST-scanned; dynamic dispatch sites are classified in `scripts/gen-doc-graphs.ts`. diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index f7749efa56..d0e436b17e 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -20,19 +20,19 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre `ctx.workflows` is an abstract `WorkflowService` in the bash shape — one engine per context, no named-provider registry (engines are deployment swaps, not co-residents). `start(request)` throws synchronously for a script that cannot begin; a returned `WorkflowRun`'s `result` NEVER rejects (failures resolve as `stopReason: 'error' | 'cancelled'`). The `workflow/*` events are observe-only emits carrying DATA SNAPSHOTS (id + meta; `workflow/end` omits the result value), per-listener contained, mirroring `subagent/start`/`subagent/end` — control stays with the run's holder. Vocabulary details: [core-data-structures/workflow.md](../../../core-data-structures/workflow.md). -### The engine (dsh-workflow-vm): in-process node:vm +### The engine (dsh-workflow-vm): one worker thread per run -**Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) AND Node-API escape from the context — the vm context shares object machinery with the host, so a script can reach the host `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin; the absent globals are API surface, not containment. Host code MAY run script code while reading script values, and that is accepted, because a hostile script can already occupy the event loop forever with a synchronous spin past its first await; containing its error VALUES while conceding it the event loop would be cost without a threat model. Genuine hardening is an engine swap behind the seam (worker/isolated-vm gets value isolation by serialization for free), not incremental host-side defenses. +**Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) AND Node-API escape from the script's context — the vm context shares object machinery with its surrounding realm, so a script can reach the `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin; the absent globals are API surface, not containment, and a worker thread is NOT a security boundary (an escapee holds process-wide privileges — Node's permission model is per-process). Worker-side code MAY run script code while reading script values, and that is accepted: a synchronous spin costs the script its OWN thread (terminated at the post-cancel grace), never the host loop, so containing error VALUES would be cost without a threat model. Genuine sandboxing (isolated-vm, a separate process) remains an engine swap behind the seam, not incremental defenses here. -**Why node:vm and not isolated-vm/worker threads**: isolated-vm is in maintenance mode, needs `--no-node-snapshot` on EVERY consumer process (including the published bins) on Node ≥ 20, and falls back to node-gyp source builds; a worker-thread engine turns every hook into RPC and complicates the per-file coverage gate. Under the trust premise, in-process is enough. Accepted, documented limitations: `start()` blocks the caller for the script's initial synchronous slice (bounded by the vm timeout); that timeout covers ONLY the initial slice, so a synchronous spin past it (an await continuation, a thenable's `then` invoked by promise resolution — a returned thenable resolves per JavaScript semantics, which is what makes an un-awaited `return agent('x')` work — or script code the host runs while rendering a thrown value) cannot be killed in-process; `dispose()` cancels, waits a bounded grace for the script to settle and its children to finish disposing, then abandons. +**Why node:worker_threads**: one run = one worker thread, no pooling — a run is heavyweight (many children), so thread spin-up (~tens of ms) is noise. The script runs in a vm context INSIDE the worker, keeping the script-visible surface exactly the hook contract above (a bare worker realm would leak `setTimeout`/`fetch`/`process` as accidental API), and every `agent()` bridges to `ctx.subagents` by message-port RPC — children are I/O-bound LLM loops and stay on the host loop; the thread isolates the SCRIPT, the only part that can spin. What the thread buys: `start()` never blocks the host (an in-process engine runs the initial synchronous slice inline and cannot kill a spin past the first await — it could only ABANDON such a script, leaving the spin on the host loop), the post-cancel grace ends in a REAL `worker.terminate()`, and the value boundary is serialization by construction. isolated-vm was rejected for actual sandboxing: maintenance mode, `--no-node-snapshot` on EVERY consumer process (including published bins) on Node ≥ 20, node-gyp source-build fallback. Key mechanics (details in the package README): meta extraction and a body pre-parse stay HOST-side (preserving the seam's synchronous throws), a ready→go handshake keeps a run cancelled before start from ever executing the body, `cancel()` drives both child-cancel channels host-side (the shared request signal AND each child's explicit `cancel()` — a wedged worker cannot relay its own cancel RPCs), a host-side child registry backs worker-death reaping and `dispose()` quiescence, the wire protocol is enum-keyed payload maps private to the package, and on a termination path `agentsStarted` degrades to the host-observed count. Coverage puts the worker-side session on an in-process `MessageChannel` (real-Worker code is invisible to main-process v8) and proves the built `lib/worker.js` — a second tsdown entry, sanctioned in the workspace-constraints gate by the `"./worker"` subpath export — under plain node in the built-bin smoke gate. **Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. -**Value boundary**: values entering the host (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation; getters are read ordinarily and their RESULT crosses (a throwing read fails loud). Values entering the realm (`args`, `agent()` results, hook promises and failures, combinator arrays) are handed over directly as host values — the script is trusted, so host prototypes are not a leak; `args` is host-`structuredClone`d once so a script cannot mutate the caller's object. Hook failures are host `WorkflowError`s: the combinators recognize fatality by host `instanceof` (unforgeable from the realm), and the script-visible consequence — in-script `instanceof Error` is `false` for hook errors; branch on `e.name`/`e.code` — is documented in the engine README. Realm functions (stages, thunks) are called, never materialized. Thrown script values are rendered by a total host-side renderer (stack → message → `String()`, fixed label if rendering throws), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, max(1, availableParallelism() - 2))`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. +**Value boundary**: values leaving the script (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation; getters are read ordinarily and their RESULT crosses (a throwing read fails loud) — which is also what makes every later postMessage hop total. Values entering the realm (`args`, `agent()` results, hook promises and failures, combinator arrays) are handed over directly as worker-realm values — the script is trusted, so outer prototypes are not a leak; `args` rides the `workerData` structured clone (the caller-isolation copy) and is cloned once more so a script scribbling on it cannot mutate the session's init object. Hook failures are `WorkflowError`s built OUTSIDE the script's context: the combinators recognize fatality by `instanceof` against the engine's own class (unforgeable from the script), and the script-visible consequence — in-script `instanceof Error` is `false` for hook errors; branch on `e.name`/`e.code` — is documented in the engine README. Realm functions (stages, thunks) are called, never materialized. Thrown script values are rendered by a total renderer (stack → message → `String()`, fixed label if rendering throws), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, max(1, availableParallelism() - 2))`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. ### The consumer (dsh-tool-workflow) -A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, await, `try/finally` dispose, abort-bridge `exec.signal`, non-`completed` → `isError`. Render intent: a `generic` card titled by a textual `meta.name` sniff (presentation is a pure function of args). The tool description IS the model-facing authoring spec. Examples load it with guidance to use workflows only on explicit user request — the harness has no ultracode-style effort gate. +A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, await, `try/finally` dispose, abort-bridge `exec.signal`, non-`completed` → `isError`. Render intent: a `generic` card titled by a textual `meta.name` sniff (presentation is a pure function of args). The tool description IS the model-facing authoring spec. The usage policy ships with the tool as its own `tool:` prompt section (explicit-ask-only guidance — tool guidance lives in tool plugins, never in the deployment persona); the harness has no ultracode-style effort gate. ### The foundation: structured output on the subagent seam @@ -45,13 +45,14 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai - **Saved/bundled workflows** (a `.deepseek/workflows/` registry, slash-command surface) and **script persistence to a run directory** (the tool-call event already records the script durably). - **Nested `workflow()`**, **token `budget`**, and the `effort`/`isolation`/`agentType` agent options (each rejects loud with a message naming it deferred). - **An overall run wall-clock timeout** — cancellation always frees the caller (result settles within the grace), so a cap on total run time is a policy knob for the background redesign, not a correctness need here. -- **Engine hardening**: a worker-thread or isolated-vm engine behind the same seam (kills synchronous spins; adds memory limits). +- **Engine hardening beyond worker threads**: an isolated-vm or separate-process engine behind the same seam (actual sandboxing; memory limits). - **ACP progress UI** over the `workflow/*` events (a `/workflows`-style view); the events exist for it. - **ACP-backend structured output** and **`toolFilter`** (both still capability-gated `false`). ## Alternatives considered -- **Hostile-value containment in the host** (trap-free proxy rejection, accessor-never-invoked descriptor walks, realm-side pre-rendering of thrown values, realm-built promises/arrays/error clones with structural fatal recognition): an earlier revision built all of it, and review showed the cost was real while the threat model was not — every one of those defenses guards against an author the premise already trusts, who retains an accepted unkillable event-loop spin regardless. Removed in favor of the plain boundary above; the hardened engine deletes such machinery anyway (serialization by construction). +- **Hostile-value containment in the host** (trap-free proxy rejection, accessor-never-invoked descriptor walks, realm-side pre-rendering of thrown values, realm-built promises/arrays/error clones with structural fatal recognition): an earlier revision built all of it, and review showed the cost was real while the threat model was not — every one of those defenses guards against an author the premise already trusts. Removed in favor of the plain boundary above; the thread boundary makes such machinery redundant anyway (serialization by construction). +- **In-process `node:vm` execution** (the first cut of this RFC shipped it): mechanically simplest — no RPC, no thread — but `start()` blocks the caller for the script's initial synchronous slice, a synchronous spin past the first await cannot be killed in-process (the vm `timeout` covers only that first slice), and `dispose()` could only ABANDON an unsettling script, leaving the spin on the host loop. Superseded by the worker-thread engine, which keeps the same vm-context script surface while unblocking the host and making termination real. - **Background execution as the default** (CC's shape): deferred; foreground-synchronous matches `dsh-tool-subagent`'s cut, and background semantics should be designed ONCE across bash/subagent/workflow rather than per-tool. - **Workflow-layer JSON parsing for `agent({schema})`**: duplicating a seam concern at one consumer while the seam's capability flag stayed dishonestly `false`. - **Meta as tool parameters instead of `export const meta`**: zero parsing, but scripts stop being self-contained artifacts and CC-authored scripts stop being drop-in. @@ -62,4 +63,4 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai ## Consequences -The harness gains CC-compatible script orchestration: fan-out plans live in a rerunnable artifact instead of the parent context, and the structured-output half of the subagent seam is now real (the vocabulary stopped lying about `outputSchema`). What it cost, all bounded by the trust premise: the in-process engine blocks its caller for a script's initial synchronous slice, cannot kill a synchronous spin past that slice, and does not isolate host values from the script — acceptable because scripts share the model's trust level, and each limitation names its exit (the engine swap behind the seam). The fatal-vs-null strictness divergence from CC means a CC-authored script that RELIES on option typos dissolving to `null` behaves differently here — judged worth it to keep the repo's no-accepted-then-ignored rule. Consumers must hold the run handle for control (`cancel`/`dispose`); observers get data snapshots only, so no listener can extend a run's lifetime or corrupt another's view. +The harness gains CC-compatible script orchestration: fan-out plans live in a rerunnable artifact instead of the parent context, and the structured-output half of the subagent seam is now real (the vocabulary stopped lying about `outputSchema`). What it cost, all bounded by the trust premise: a worker thread per run (~tens-of-ms spin-up), every hook crossing a message port as RPC, and a termination-path `agentsStarted` that degrades to the host-observed count; in exchange `start()` never blocks the host, a post-cancel grace ends in a real `worker.terminate()`, and the value boundary is serialization by construction. A worker thread is still NOT a security boundary — scripts share the model's trust level, and actual sandboxing names its exit (the isolated-vm/separate-process engine swap behind the seam). The fatal-vs-null strictness divergence from CC means a CC-authored script that RELIES on option typos dissolving to `null` behaves differently here — judged worth it to keep the repo's no-accepted-then-ignored rule. Consumers must hold the run handle for control (`cancel`/`dispose`); observers get data snapshots only, so no listener can extend a run's lifetime or corrupt another's view. diff --git a/examples/acp-agent/cordis.yml b/examples/acp-agent/cordis.yml index eeb78a7962..f2015bc7c2 100644 --- a/examples/acp-agent/cordis.yml +++ b/examples/acp-agent/cordis.yml @@ -82,10 +82,10 @@ toolName: subagent_fork -# Dynamic workflows: the node:vm engine (ctx.workflows) over the spawn subagent -# backend above, plus the model-facing `workflow` tool. The model writes a -# JavaScript orchestration script (meta + body); the engine runs it in-process -# and fans agent() calls out as spawn children. +# Dynamic workflows: the worker-thread engine (ctx.workflows) over the spawn +# subagent backend above, plus the model-facing `workflow` tool. The model +# writes a JavaScript orchestration script (meta + body); the engine runs it +# in its own worker thread and fans agent() calls out as spawn children. - id: workflow-vm name: '@deepseek-ai/dsh-workflow-vm' config: diff --git a/examples/coding-agent/cordis.yml b/examples/coding-agent/cordis.yml index 28643e0d73..ee55bced0b 100644 --- a/examples/coding-agent/cordis.yml +++ b/examples/coding-agent/cordis.yml @@ -103,10 +103,10 @@ toolName: subagent_fork -# Dynamic workflows: the node:vm engine (ctx.workflows) over the spawn subagent -# backend above, plus the model-facing `workflow` tool. The model writes a -# JavaScript orchestration script (meta + body); the engine runs it in-process -# and fans agent() calls out as spawn children. +# Dynamic workflows: the worker-thread engine (ctx.workflows) over the spawn +# subagent backend above, plus the model-facing `workflow` tool. The model +# writes a JavaScript orchestration script (meta + body); the engine runs it +# in its own worker thread and fans agent() calls out as spawn children. - id: workflow-vm name: '@deepseek-ai/dsh-workflow-vm' config: diff --git a/packages/README.md b/packages/README.md index 3c38eda671..43b446eeb5 100644 --- a/packages/README.md +++ b/packages/README.md @@ -14,7 +14,7 @@ Packages are grouped by modular role at `packages///`. The group dir | [`fs/`](fs/README.md) | Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools | Product — stable surface | | [`compact/`](compact/README.md) | Compaction capability family: the abstract seam + a basic backend (tool deferred) | Product — stable surface | | [`subagent/`](subagent/README.md) | Subagent capability family: the provider-registry seam and the model-facing delegation tool | Product — stable surface | -| [`workflow/`](workflow/README.md) | Workflow capability family: the script-engine seam, the node:vm engine, and the model-facing `workflow` tool | Product — stable surface | +| [`workflow/`](workflow/README.md) | Workflow capability family: the script-engine seam, the worker-thread engine, and the model-facing `workflow` tool | Product — stable surface | | [`web/`](web/README.md) | Web capability family: the abstract seam, search/fetch provider impls, and the model-facing web tools | Product — stable surface | | [`todo/`](todo/README.md) | Todo/planning family: the model-facing `todo_write` tool (whole-list task tracking on the session log) | Product — stable surface | | [`hooks/`](hooks/README.md) | Hook bridges + the shared Claude Code / Codex wire-protocol library | Product — stable surface | diff --git a/packages/workflow/README.md b/packages/workflow/README.md index f28a325ea8..a0750d9fdf 100644 --- a/packages/workflow/README.md +++ b/packages/workflow/README.md @@ -5,9 +5,9 @@ The workflow seam: a model-written JavaScript orchestration script that fans out | Package | Role | ctx key | |---|---|---| | `workflow/` | Abstract workflow seam: service base class + run vocabulary + `workflow/*` events | `ctx.workflows` | -| `workflow-vm/` | In-process `node:vm` engine: parses the script, injects the hooks, drives `ctx.subagents` | (provides `ctx.workflows`) | +| `workflow-vm/` | `node:worker_threads` engine: one worker per run; the script's vm context lives inside the worker, `agent()` bridges to `ctx.subagents` over the message port | (provides `ctx.workflows`) | | `tool-workflow/` | Model-facing `workflow` tool over `ctx.workflows` | (registers on `ctx.tools`) | -The interface lives at `workflow/workflow/`. The engine's `agent()` hook rides the [subagent seam](../subagent/README.md) (any registered provider; the shipped examples use `spawn`), and `agent({ schema })` rides the structured-output support the in-process backends implement. The seam split exists for engine hardening: `node:vm` is in-process and cannot kill a pathological synchronous spin — a worker-thread or isolated-vm engine swaps in behind the same interface if that ever matters. +The interface lives at `workflow/workflow/`. The engine's `agent()` hook rides the [subagent seam](../subagent/README.md) (any registered provider; the shipped examples use `spawn`), and `agent({ schema })` rides the structured-output support the in-process backends implement. The worker thread isolates the SCRIPT — the host never blocks on it, and a cancelled run's post-grace termination is real — but it is NOT a security boundary; an isolated-vm/separate-process engine (actual sandboxing) swaps in behind the same interface if that ever matters. The proposal, decisions, and deferred work: [docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md](../../docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md). diff --git a/packages/workflow/workflow/README.md b/packages/workflow/workflow/README.md index 076f5443ac..96add5017e 100644 --- a/packages/workflow/workflow/README.md +++ b/packages/workflow/workflow/README.md @@ -1,10 +1,10 @@ # @deepseek-ai/dsh-workflow -The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a workflow engine does — execute a model-written orchestration script that fans out subagents — without saying HOW. The bash-shaped third of the [workflow family](../README.md): implementations subclass `WorkflowService` and register as the `workflows` service (one per context); [`dsh-workflow-vm`](../workflow-vm/README.md) is the first, and [`dsh-tool-workflow`](../tool-workflow/README.md) is the model-facing consumer. +The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a workflow engine does — execute a model-written orchestration script that fans out subagents — without saying HOW. The bash-shaped third of the [workflow family](../README.md): implementations subclass `WorkflowService` and register as the `workflows` service (one per context); [`dsh-workflow-vm`](../workflow-vm/README.md) (one worker thread per run) is the implementation, and [`dsh-tool-workflow`](../tool-workflow/README.md) is the model-facing consumer. ## Service: `WorkflowService` (abstract) -`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, `result` settles within the implementation's bounded grace even if the script itself never settles (a consumer awaiting `result` must never be wedged past a cancellation). `dispose()` must reach quiescence within a bounded grace (cancel → wait for the script to settle and its children to finish disposing → abandon), never hanging its caller. +`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, `result` settles within the implementation's bounded grace even if the script itself never settles (a consumer awaiting `result` must never be wedged past a cancellation). `dispose()` must reach quiescence within a bounded grace (cancel → wait for the script to settle and its children to finish disposing → abandon), never hanging its caller. Runs are HOLDER-owned: the engine does not track its live runs, so disposing the engine's fiber mid-run leaves each run to its holder's teardown. The protected `emitWorkflowEvent` helper dispatches the `workflow/*` events with PER-LISTENER containment and PER-LISTENER payload snapshots (a throwing subscriber is logged, never propagated, and cannot starve later listeners; each subscriber gets its own clone of the payload, so mutating it corrupts neither the engine nor other listeners) — the same containment guarantee as the subagent seam's lifecycle emits. @@ -22,7 +22,7 @@ All observe-only emits carrying DATA SNAPSHOTS (`WorkflowRunInfo` = id + meta) - `workflow/start`(info) / `workflow/end`(info, resultInfo) — run lifecycle; `resultInfo` deliberately omits the value. - `workflow/phase`(info, title) / `workflow/log`(info, message) — script narration. -- `workflow/agent-start`(info, agent) / `workflow/agent-end`(info, agent + outcome) — one pair per `agent()` call, correlated by `seq`. +- `workflow/agent-start`(info, agent) / `workflow/agent-end`(info, agent + outcome) — one pair per `agent()` call that STARTED a child run (a call rejected at validation or caps, refused at start, or cancelled while queued for a slot emits no pair), correlated by `seq`. ## Non-goals (this cut) diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index 0e5a03c438..2a57d143b6 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -4,10 +4,10 @@ * that fans out subagents — without saying HOW. Implementations subclass * {@link WorkflowService} and register as the `workflows` service (one * implementation per context, cordis' standard duplicate-service behavior); - * `@deepseek-ai/dsh-workflow-vm` (an in-process `node:vm` engine) is the - * first. Future engines (a worker-thread or isolated-vm sandbox) swap in - * without touching the model-facing tool that consumes them - * (`@deepseek-ai/dsh-tool-workflow`). + * the implementation is `@deepseek-ai/dsh-workflow-vm`, which runs each + * script in its own worker thread. Hardened engines (an isolated-vm or + * separate-process sandbox) swap in without touching the model-facing tool + * that consumes them (`@deepseek-ai/dsh-tool-workflow`). * * The `workflow/*` lifecycle events are OBSERVE-ONLY data snapshots: they * carry {@link WorkflowRunInfo} (id + meta), never the live {@link WorkflowRun} @@ -198,6 +198,11 @@ export function isFatalWorkflowError(error: unknown): boolean { * for the script to settle AND its started children to finish disposing, * and abandons whatever is left rather than hanging its caller (the engine * documents what abandonment leaves behind). + * - Runs are HOLDER-OWNED: the engine hands control (`cancel`/`dispose`) to + * the `start()` caller and does not track its live runs — disposing the + * engine's own fiber mid-run deliberately leaves those runs to their + * holders' teardown, so an engine reload cannot yank a run out from under + * the consumer awaiting it. */ export abstract class WorkflowService extends Service { constructor(ctx: Context) { diff --git a/packages/workflow/workflow/src/types.ts b/packages/workflow/workflow/src/types.ts index 767fb8257b..8552e32454 100644 --- a/packages/workflow/workflow/src/types.ts +++ b/packages/workflow/workflow/src/types.ts @@ -89,7 +89,13 @@ export interface WorkflowResult { stopReason: WorkflowStopReason /** The failure message (present iff `stopReason` is not `completed`). */ error?: string - /** How many `agent()` calls the run accepted (whole lifetime, including calls still queued for a slot when the run was cancelled). */ + /** + * How many `agent()` calls the run accepted over its whole lifetime. On a + * graceful settlement this is the script-side count (calls still queued for + * a concurrency slot included); on a termination path (grace force-settle, + * worker death) it degrades to the host-observed count — calls queued + * inside a terminated script are unknowable then. + */ agentsStarted: number } @@ -98,18 +104,19 @@ export interface WorkflowResult { * `result`, may `cancel` mid-flight, and MUST `dispose` on every path. * `result` does NOT reject — a script failure resolves with `stopReason: * 'error'` — and once the run is cancelled it SETTLES within the engine's - * bounded grace even if the script itself never settles (the engine abandons - * the script and reports `cancelled`), so a consumer awaiting `result` is - * never wedged past a cancellation. `dispose()` = cancel + that bounded - * settle + child quiescence; it never hangs on a stuck script and is safe to - * call on every path (idempotent). + * bounded grace even if the script itself never settles (the engine + * force-settles `cancelled`; what becomes of the script is engine-documented + * — the worker-thread engine terminates its worker), so a consumer awaiting + * `result` is never wedged past a cancellation. `dispose()` = cancel + that + * bounded settle + child quiescence; it never hangs on a stuck script and is + * safe to call on every path (idempotent). */ export interface WorkflowRun { readonly id: WorkflowRunId /** The validated meta block (available before the body runs). */ readonly meta: WorkflowMeta readonly result: Promise - /** Cancel the run: children abort, pending hooks reject, the script dies at its next await (or is abandoned at the grace). */ + /** Cancel the run: children abort, pending hooks reject, the script dies at its next await (or is force-settled at the grace). */ cancel(reason?: string): void /** Cancel + bounded-grace settle; safe to call on every path (idempotent). */ dispose(): Promise diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index 1fabb98707..0abe1a34cf 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -193,7 +193,7 @@ const SERVICE_ROLES: ServiceRole[] = [ mode: 'seam', implementations: ['workflow-vm'], consumers: ['tool-workflow'], - note: 'One engine per context (bash shape, no named-provider registry); the vm engine fans agent() calls out through ctx.subagents.', + note: 'One engine per context (bash shape, no named-provider registry); the worker-thread engine fans agent() calls out through ctx.subagents.', }, ] @@ -203,6 +203,14 @@ const DYNAMIC_EVENT_DISPATCHERS: Array<{ event: string; pkg: string; method: str // listeners or strand an already-started child run. { event: 'subagent/start', pkg: 'subagent', method: 'events.dispatch' }, { event: 'subagent/end', pkg: 'subagent', method: 'events.dispatch' }, + // The workflow/* lifecycle events dispatch the same way, for the same + // per-listener-containment reason (WorkflowService.emitWorkflowEvent). + { event: 'workflow/start', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/phase', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/log', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/agent-start', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/agent-end', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/end', pkg: 'workflow', method: 'events.dispatch' }, ] function generatedHeader(title: string): string[] { From 0d11a3afc708a7fcfd867bfc1022798b0a90e44a Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 19:06:55 +0800 Subject: [PATCH 48/90] workflow: rename dsh-workflow-vm to dsh-workflow-workerthread Pure mechanical rename now that the package's internals are the worker-thread engine: directory, package name, spec/e2e filenames, module tags and logger prefixes, tsconfig/knip/run-gates/AGENTS.md references, example cordis.yml plugin ids, doc links; catalogs regenerated and the lockfile refreshed. --- AGENTS.md | 4 ++-- docs/capability-seams.md | 6 +++--- docs/config-catalog.md | 4 ++-- docs/core-data-structures/workflow.md | 2 +- docs/module-graph.md | 16 ++++++++-------- .../feature/2026-07-05-dynamic-workflows.md | 2 +- examples/acp-agent/composition.md | 6 +++--- examples/acp-agent/cordis.yml | 4 ++-- examples/acp-agent/tests/acp.snapshot.ts | 2 +- examples/coding-agent/composition.md | 6 +++--- examples/coding-agent/cordis.yml | 4 ++-- knip.json | 2 +- packages/workflow/README.md | 2 +- packages/workflow/tool-workflow/package.json | 2 +- .../tool-workflow/tests/tool-workflow.spec.ts | 2 +- .../README.md | 2 +- .../package.json | 2 +- .../src/host.ts | 8 ++++---- .../src/index.ts | 2 +- .../src/meta.ts | 2 +- .../src/protocol.ts | 2 +- .../src/realm.ts | 2 +- .../src/runtime.ts | 2 +- .../src/session.ts | 2 +- .../src/types.ts | 2 +- .../src/worker.ts | 2 +- .../tests/built-worker.e2e.ts | 2 +- .../tests/integration.spec.ts | 2 +- .../tests/meta.spec.ts | 0 .../tests/realm.spec.ts | 0 .../tests/session.spec.ts | 0 .../tests/workflow-workerthread.e2e.ts} | 0 .../tests/workflow-workerthread.spec.ts} | 2 +- .../tsconfig.json | 0 .../tsdown.config.ts | 0 packages/workflow/workflow/README.md | 2 +- packages/workflow/workflow/src/index.ts | 2 +- pnpm-lock.yaml | 6 +++--- scripts/gen-doc-graphs.ts | 2 +- scripts/gen-tool-catalog.ts | 2 +- scripts/run-gates.ts | 2 +- tsconfig.build.json | 2 +- tsconfig.json | 2 +- 43 files changed, 59 insertions(+), 59 deletions(-) rename packages/workflow/{workflow-vm => workflow-workerthread}/README.md (99%) rename packages/workflow/{workflow-vm => workflow-workerthread}/package.json (97%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/host.ts (97%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/index.ts (99%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/meta.ts (99%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/protocol.ts (98%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/realm.ts (99%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/runtime.ts (99%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/session.ts (99%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/types.ts (98%) rename packages/workflow/{workflow-vm => workflow-workerthread}/src/worker.ts (93%) rename packages/workflow/{workflow-vm => workflow-workerthread}/tests/built-worker.e2e.ts (97%) rename packages/workflow/{workflow-vm => workflow-workerthread}/tests/integration.spec.ts (98%) rename packages/workflow/{workflow-vm => workflow-workerthread}/tests/meta.spec.ts (100%) rename packages/workflow/{workflow-vm => workflow-workerthread}/tests/realm.spec.ts (100%) rename packages/workflow/{workflow-vm => workflow-workerthread}/tests/session.spec.ts (100%) rename packages/workflow/{workflow-vm/tests/workflow.e2e.ts => workflow-workerthread/tests/workflow-workerthread.e2e.ts} (100%) rename packages/workflow/{workflow-vm/tests/workflow-vm.spec.ts => workflow-workerthread/tests/workflow-workerthread.spec.ts} (99%) rename packages/workflow/{workflow-vm => workflow-workerthread}/tsconfig.json (100%) rename packages/workflow/{workflow-vm => workflow-workerthread}/tsdown.config.ts (100%) diff --git a/AGENTS.md b/AGENTS.md index 5602b244ce..d0a7983b26 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -18,7 +18,7 @@ packages/ Harness packages at packages///, all named @deepseek-ai web/ web seam + search/fetch providers + model-facing web tools compact/ compaction seam + basic backend subagent/ subagent seam + spawn/fork/ACP backends + delegation tool - workflow/ workflow seam + worker-thread script engine + the workflow tool + workflow/ workflow seam + worker-thread engine + the workflow tool todo/ the todo_write tool hooks/ Claude Code / Codex hook bridges + shared wire-protocol library session-persistence/ persistence seam + JSONL/SQLite backends @@ -70,7 +70,7 @@ printf '%s\n' "$out" | grep -q '\[tool call\] echo({"text":"ci smoke"})' printf '%s\n' "$out" | grep -q '\[tool result\] ECHO: CI SMOKE' ls .sessions/_no-cwd/main-session-*.jsonl >/dev/null rm -rf .sessions -pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts packages/workflow/workflow-vm/tests/built-worker.e2e.ts +pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts ``` `test:coverage`, not `test`, is the gating run ([why](docs/testing.md)); a sign-off counts only for commands actually run. diff --git a/docs/capability-seams.md b/docs/capability-seams.md index 1a13bd2060..8f5f316916 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -62,7 +62,7 @@ flowchart LR pkg_web_fetch_local["web-fetch-local"] pkg_workflow["workflow"] svc_workflows["ctx.workflows
Workflow script engine"] - pkg_workflow_vm["workflow-vm"] + pkg_workflow_workerthread["workflow-workerthread"] pkg_tool_workflow["tool-workflow"] pkg_agent --> svc_agents pkg_agent_loop --> svc_agentLoop @@ -93,7 +93,7 @@ flowchart LR pkg_web_search_exa --> svc_web pkg_web_search_perplexity --> svc_web pkg_workflow --> svc_workflows - pkg_workflow_vm --> svc_workflows + pkg_workflow_workerthread --> svc_workflows svc_agentLoop --> pkg_agent_core svc_agents --> pkg_acp svc_agents --> pkg_agent_loop @@ -145,6 +145,6 @@ flowchart LR | `ctx.compact` | `seam` | [`compact`](../packages/compact/compact) | [`compact-basic`](../packages/compact/compact-basic) | [`compact-basic`](../packages/compact/compact-basic) | - | The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred. | | `ctx.subagents` | `seam` | [`subagent`](../packages/subagent/subagent) | [`subagent-spawn`](../packages/subagent/subagent-spawn), [`subagent-fork`](../packages/subagent/subagent-fork), [`subagent-acp`](../packages/subagent/subagent-acp), [`subagent-mock`](../packages/support/subagent-mock) | [`tool-subagent`](../packages/subagent/tool-subagent) | - | Providers implement transports; tool-subagent exposes one configured provider as a model-facing tool name. | | `ctx.web` | `seam` | [`web`](../packages/web/web) | [`web-search-exa`](../packages/web/web-search-exa), [`web-search-perplexity`](../packages/web/web-search-perplexity), [`web-search-deepseek`](../packages/web/web-search-deepseek), [`web-fetch-local`](../packages/web/web-fetch-local) | [`tool-web`](../packages/web/tool-web) | - | Search and fetch providers register into one ctx.web seam; tool-web owns the stable model-facing names. | -| `ctx.workflows` | `seam` | [`workflow`](../packages/workflow/workflow) | [`workflow-vm`](../packages/workflow/workflow-vm) | [`tool-workflow`](../packages/workflow/tool-workflow) | - | One engine per context (bash shape, no named-provider registry); the worker-thread engine fans agent() calls out through ctx.subagents. | +| `ctx.workflows` | `seam` | [`workflow`](../packages/workflow/workflow) | [`workflow-workerthread`](../packages/workflow/workflow-workerthread) | [`tool-workflow`](../packages/workflow/tool-workflow) | - | One engine per context (bash shape, no named-provider registry); the worker-thread engine fans agent() calls out through ctx.subagents. | Maintenance mode: hybrid: services are discovered from Cordis declarations; interface/implementation/consumer roles are classified in `scripts/gen-doc-graphs.ts` with a completeness guard. diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 300468dd70..1649ad4e26 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -800,7 +800,7 @@ export interface Config { Source: [`packages/web/web-search-perplexity/src/index.ts:33`](../packages/web/web-search-perplexity/src/index.ts) -## `@deepseek-ai/dsh-workflow-vm` +## `@deepseek-ai/dsh-workflow-workerthread` Requires: `subagents` @@ -826,7 +826,7 @@ export interface Config { } ``` -Source: [`packages/workflow/workflow-vm/src/index.ts:69`](../packages/workflow/workflow-vm/src/index.ts) +Source: [`packages/workflow/workflow-workerthread/src/index.ts:69`](../packages/workflow/workflow-workerthread/src/index.ts) ## Loadable plugins with no config diff --git a/docs/core-data-structures/workflow.md b/docs/core-data-structures/workflow.md index 4d880ea948..36ad3be330 100644 --- a/docs/core-data-structures/workflow.md +++ b/docs/core-data-structures/workflow.md @@ -2,7 +2,7 @@ The workflow seam — an agent running a model-written orchestration SCRIPT that fans out subagents. Like [subagent](subagent.md) it is **one optional capability**, not part of the agent-loop spine, so its vocabulary lives here rather than in [core.md](core.md). Unlike the subagent registry it takes the bash shape: ONE engine implementation per context provides `ctx.workflows`; there is no named-provider registry (a second engine is a plugin swap, not a co-resident). -Interface: [dsh-workflow](../../packages/workflow/workflow) (`ctx.workflows` + the vocabulary below). The implementation is [dsh-workflow-vm](../../packages/workflow/workflow-vm) (a `node:worker_threads` engine — one worker per run, the script's vm context inside it); the model-facing consumer is [dsh-tool-workflow](../../packages/workflow/tool-workflow). The proposal and rationale: [the dynamic-workflows RFC](../rfc/implemented/feature/2026-07-05-dynamic-workflows.md). +Interface: [dsh-workflow](../../packages/workflow/workflow) (`ctx.workflows` + the vocabulary below). The implementation is [dsh-workflow-workerthread](../../packages/workflow/workflow-workerthread) (a `node:worker_threads` engine — one worker per run, the script's vm context inside it); the model-facing consumer is [dsh-tool-workflow](../../packages/workflow/tool-workflow). The proposal and rationale: [the dynamic-workflows RFC](../rfc/implemented/feature/2026-07-05-dynamic-workflows.md). Source: [`packages/workflow/workflow/src/types.ts`](../../packages/workflow/workflow/src/types.ts) diff --git a/docs/module-graph.md b/docs/module-graph.md index ae1d8ef63f..f084e7fe40 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -81,7 +81,7 @@ flowchart TD subgraph group_workflow["packages/workflow"] pkg_tool_workflow["tool-workflow"] pkg_workflow["workflow"] - pkg_workflow_vm["workflow-vm"] + pkg_workflow_workerthread["workflow-workerthread"] end pkg_llm --> pkg_brand pkg_bash --> pkg_brand @@ -199,12 +199,12 @@ flowchart TD pkg_subagent_mock --> pkg_agent pkg_subagent_mock --> pkg_llm pkg_subagent_mock --> pkg_subagent - pkg_workflow_vm --> pkg_agent - pkg_workflow_vm --> pkg_brand - pkg_workflow_vm --> pkg_llm - pkg_workflow_vm --> pkg_subagent - pkg_workflow_vm --> pkg_tools - pkg_workflow_vm --> pkg_workflow + pkg_workflow_workerthread --> pkg_agent + pkg_workflow_workerthread --> pkg_brand + pkg_workflow_workerthread --> pkg_llm + pkg_workflow_workerthread --> pkg_subagent + pkg_workflow_workerthread --> pkg_tools + pkg_workflow_workerthread --> pkg_workflow pkg_subagent_fork --> pkg_agent pkg_subagent_fork --> pkg_session pkg_subagent_fork --> pkg_subagent @@ -268,7 +268,7 @@ flowchart TD | [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | | [`hooks-claude`](../packages/hooks/hooks-claude) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | | [`subagent-mock`](../packages/support/subagent-mock) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent) | -| [`workflow-vm`](../packages/workflow/workflow-vm) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools), [`workflow`](../packages/workflow/workflow) | +| [`workflow-workerthread`](../packages/workflow/workflow-workerthread) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools), [`workflow`](../packages/workflow/workflow) | | [`subagent-fork`](../packages/subagent/subagent-fork) | `subagent` | [`agent`](../packages/core/agent), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | | [`subagent-spawn`](../packages/subagent/subagent-spawn) | `subagent` | [`subagent`](../packages/subagent/subagent), [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | | [`acp-agent`](../packages/ui/acp-agent) | `ui` | [`acp`](../packages/ui/acp), [`agent-core`](../packages/core/agent-core), [`app-boot`](../packages/ui/app-boot), [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index d0e436b17e..029e090cb1 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -20,7 +20,7 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre `ctx.workflows` is an abstract `WorkflowService` in the bash shape — one engine per context, no named-provider registry (engines are deployment swaps, not co-residents). `start(request)` throws synchronously for a script that cannot begin; a returned `WorkflowRun`'s `result` NEVER rejects (failures resolve as `stopReason: 'error' | 'cancelled'`). The `workflow/*` events are observe-only emits carrying DATA SNAPSHOTS (id + meta; `workflow/end` omits the result value), per-listener contained, mirroring `subagent/start`/`subagent/end` — control stays with the run's holder. Vocabulary details: [core-data-structures/workflow.md](../../../core-data-structures/workflow.md). -### The engine (dsh-workflow-vm): one worker thread per run +### The engine (dsh-workflow-workerthread): one worker thread per run **Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) AND Node-API escape from the script's context — the vm context shares object machinery with its surrounding realm, so a script can reach the `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin; the absent globals are API surface, not containment, and a worker thread is NOT a security boundary (an escapee holds process-wide privileges — Node's permission model is per-process). Worker-side code MAY run script code while reading script values, and that is accepted: a synchronous spin costs the script its OWN thread (terminated at the post-cancel grace), never the host loop, so containing error VALUES would be cost without a threat model. Genuine sandboxing (isolated-vm, a separate process) remains an engine swap behind the seam, not incremental defenses here. diff --git a/examples/acp-agent/composition.md b/examples/acp-agent/composition.md index 57be4be05e..06290d326e 100644 --- a/examples/acp-agent/composition.md +++ b/examples/acp-agent/composition.md @@ -31,8 +31,8 @@ flowchart LR cfg --> plugin_acp_tool_subagent plugin_acp_tool_subagent_fork["tool-subagent-fork
@deepseek-ai/dsh-tool-subagent"] cfg --> plugin_acp_tool_subagent_fork - plugin_acp_workflow_vm["workflow-vm
@deepseek-ai/dsh-workflow-vm"] - cfg --> plugin_acp_workflow_vm + plugin_acp_workflow_workerthread["workflow-workerthread
@deepseek-ai/dsh-workflow-workerthread"] + cfg --> plugin_acp_workflow_workerthread plugin_acp_tool_workflow["tool-workflow
@deepseek-ai/dsh-tool-workflow"] cfg --> plugin_acp_tool_workflow plugin_acp_tool_todo["tool-todo
@deepseek-ai/dsh-tool-todo"] @@ -59,7 +59,7 @@ flowchart LR | `subagent-fork` | `@deepseek-ai/dsh-subagent-fork` | | `tool-subagent` | `@deepseek-ai/dsh-tool-subagent` | | `tool-subagent-fork` | `@deepseek-ai/dsh-tool-subagent` | -| `workflow-vm` | `@deepseek-ai/dsh-workflow-vm` | +| `workflow-workerthread` | `@deepseek-ai/dsh-workflow-workerthread` | | `tool-workflow` | `@deepseek-ai/dsh-tool-workflow` | | `tool-todo` | `@deepseek-ai/dsh-tool-todo` | | `fs-local` | `@deepseek-ai/dsh-fs-local` | diff --git a/examples/acp-agent/cordis.yml b/examples/acp-agent/cordis.yml index f2015bc7c2..3a0d177005 100644 --- a/examples/acp-agent/cordis.yml +++ b/examples/acp-agent/cordis.yml @@ -86,8 +86,8 @@ # subagent backend above, plus the model-facing `workflow` tool. The model # writes a JavaScript orchestration script (meta + body); the engine runs it # in its own worker thread and fans agent() calls out as spawn children. -- id: workflow-vm - name: '@deepseek-ai/dsh-workflow-vm' +- id: workflow-workerthread + name: '@deepseek-ai/dsh-workflow-workerthread' config: provider: spawn diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts index 1c3e524903..944ccd9b5b 100644 --- a/examples/acp-agent/tests/acp.snapshot.ts +++ b/examples/acp-agent/tests/acp.snapshot.ts @@ -108,7 +108,7 @@ const SCENARIOS: Scenario[] = [ { name: 'subagent-fork', hasModelTurn: true, recorded: true, childSessions: 1 }, { name: 'subagent-mixed', hasModelTurn: true, recorded: true, childSessions: 2 }, // The workflow tool: the model writes a one-child orchestration script; the - // child runs as a spawn subagent inside the vm engine (its session is the + // child runs as a spawn subagent under the worker-thread engine (its session is the // child fixture), and the tool result carries the script's return value. { name: 'workflow-run', hasModelTurn: true, recorded: true, childSessions: 1 }, // Hook matrix — one scenario per hook point × its headline Decision outcome, diff --git a/examples/coding-agent/composition.md b/examples/coding-agent/composition.md index 4ebf4c838d..be9a457124 100644 --- a/examples/coding-agent/composition.md +++ b/examples/coding-agent/composition.md @@ -35,8 +35,8 @@ flowchart LR cfg --> plugin_coding_tool_subagent plugin_coding_tool_subagent_fork["tool-subagent-fork
@deepseek-ai/dsh-tool-subagent"] cfg --> plugin_coding_tool_subagent_fork - plugin_coding_workflow_vm["workflow-vm
@deepseek-ai/dsh-workflow-vm"] - cfg --> plugin_coding_workflow_vm + plugin_coding_workflow_workerthread["workflow-workerthread
@deepseek-ai/dsh-workflow-workerthread"] + cfg --> plugin_coding_workflow_workerthread plugin_coding_tool_workflow["tool-workflow
@deepseek-ai/dsh-tool-workflow"] cfg --> plugin_coding_tool_workflow plugin_coding_tool_todo["tool-todo
@deepseek-ai/dsh-tool-todo"] @@ -61,7 +61,7 @@ flowchart LR | `subagent-fork` | `@deepseek-ai/dsh-subagent-fork` | | `tool-subagent` | `@deepseek-ai/dsh-tool-subagent` | | `tool-subagent-fork` | `@deepseek-ai/dsh-tool-subagent` | -| `workflow-vm` | `@deepseek-ai/dsh-workflow-vm` | +| `workflow-workerthread` | `@deepseek-ai/dsh-workflow-workerthread` | | `tool-workflow` | `@deepseek-ai/dsh-tool-workflow` | | `tool-todo` | `@deepseek-ai/dsh-tool-todo` | | `fs-local` | `@deepseek-ai/dsh-fs-local` | diff --git a/examples/coding-agent/cordis.yml b/examples/coding-agent/cordis.yml index ee55bced0b..cf2e267e06 100644 --- a/examples/coding-agent/cordis.yml +++ b/examples/coding-agent/cordis.yml @@ -107,8 +107,8 @@ # subagent backend above, plus the model-facing `workflow` tool. The model # writes a JavaScript orchestration script (meta + body); the engine runs it # in its own worker thread and fans agent() calls out as spawn children. -- id: workflow-vm - name: '@deepseek-ai/dsh-workflow-vm' +- id: workflow-workerthread + name: '@deepseek-ai/dsh-workflow-workerthread' config: provider: spawn diff --git a/knip.json b/knip.json index 717148a10a..5342aadc29 100644 --- a/knip.json +++ b/knip.json @@ -41,7 +41,7 @@ "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, - "packages/workflow/workflow-vm": { + "packages/workflow/workflow-workerthread": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, diff --git a/packages/workflow/README.md b/packages/workflow/README.md index a0750d9fdf..98fa3cfe04 100644 --- a/packages/workflow/README.md +++ b/packages/workflow/README.md @@ -5,7 +5,7 @@ The workflow seam: a model-written JavaScript orchestration script that fans out | Package | Role | ctx key | |---|---|---| | `workflow/` | Abstract workflow seam: service base class + run vocabulary + `workflow/*` events | `ctx.workflows` | -| `workflow-vm/` | `node:worker_threads` engine: one worker per run; the script's vm context lives inside the worker, `agent()` bridges to `ctx.subagents` over the message port | (provides `ctx.workflows`) | +| `workflow-workerthread/` | `node:worker_threads` engine: one worker per run; the script's vm context lives inside the worker, `agent()` bridges to `ctx.subagents` over the message port | (provides `ctx.workflows`) | | `tool-workflow/` | Model-facing `workflow` tool over `ctx.workflows` | (registers on `ctx.tools`) | The interface lives at `workflow/workflow/`. The engine's `agent()` hook rides the [subagent seam](../subagent/README.md) (any registered provider; the shipped examples use `spawn`), and `agent({ schema })` rides the structured-output support the in-process backends implement. The worker thread isolates the SCRIPT — the host never blocks on it, and a cancelled run's post-grace termination is real — but it is NOT a security boundary; an isolated-vm/separate-process engine (actual sandboxing) swaps in behind the same interface if that ever matters. diff --git a/packages/workflow/tool-workflow/package.json b/packages/workflow/tool-workflow/package.json index 7fb0d1ec48..f5c2138d85 100644 --- a/packages/workflow/tool-workflow/package.json +++ b/packages/workflow/tool-workflow/package.json @@ -40,7 +40,7 @@ "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "@deepseek-ai/dsh-workflow": "workspace:^", - "@deepseek-ai/dsh-workflow-vm": "workspace:^", + "@deepseek-ai/dsh-workflow-workerthread": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts index 2b6503cd45..dafc39bf46 100644 --- a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -10,7 +10,7 @@ import { WorkflowRunId, WorkflowService } from '@deepseek-ai/dsh-workflow' import type { WorkflowResult, WorkflowRun, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' import { CallId } from '@deepseek-ai/dsh-llm' import SubagentService from '@deepseek-ai/dsh-subagent' -import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' +import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-workerthread' import * as toolWorkflow from '../src/index.ts' /** A controllable engine standing in behind ctx.workflows (the tool's only seam). */ diff --git a/packages/workflow/workflow-vm/README.md b/packages/workflow/workflow-workerthread/README.md similarity index 99% rename from packages/workflow/workflow-vm/README.md rename to packages/workflow/workflow-workerthread/README.md index 9a0ab21fef..0e763bdee9 100644 --- a/packages/workflow/workflow-vm/README.md +++ b/packages/workflow/workflow-workerthread/README.md @@ -1,4 +1,4 @@ -# @deepseek-ai/dsh-workflow-vm +# @deepseek-ai/dsh-workflow-workerthread The [`WorkflowService`](../workflow/README.md) implementation, on **`node:worker_threads`**: each run gets its OWN worker thread (one run = one worker, no pooling — a run is heavyweight, so the ~tens-of-ms thread spin-up is noise), the script executes in a vm context INSIDE that worker with the workflow hooks injected, and every `agent()` call bridges back over the message port to [`ctx.subagents`](../../subagent/README.md) on the host. Child agents are I/O-bound LLM loops and stay on the host event loop; the thread isolates the SCRIPT, the only part that can spin synchronously. diff --git a/packages/workflow/workflow-vm/package.json b/packages/workflow/workflow-workerthread/package.json similarity index 97% rename from packages/workflow/workflow-vm/package.json rename to packages/workflow/workflow-workerthread/package.json index a174893b9c..f86c74c2f7 100644 --- a/packages/workflow/workflow-vm/package.json +++ b/packages/workflow/workflow-workerthread/package.json @@ -1,5 +1,5 @@ { - "name": "@deepseek-ai/dsh-workflow-vm", + "name": "@deepseek-ai/dsh-workflow-workerthread", "description": "worker-thread workflow engine: executes model-written orchestration scripts off the host event loop, bridging agent() calls back to ctx.subagents", "version": "0.0.1", "private": true, diff --git a/packages/workflow/workflow-vm/src/host.ts b/packages/workflow/workflow-workerthread/src/host.ts similarity index 97% rename from packages/workflow/workflow-vm/src/host.ts rename to packages/workflow/workflow-workerthread/src/host.ts index b329e0c7d2..9d98d00933 100644 --- a/packages/workflow/workflow-vm/src/host.ts +++ b/packages/workflow/workflow-workerthread/src/host.ts @@ -22,7 +22,7 @@ * still queued worker-side for a concurrency slot are unknowable then; the * worker's own count rides the result message on every graceful path. * - * @module @deepseek-ai/dsh-workflow-vm/host + * @module @deepseek-ai/dsh-workflow-workerthread/host */ import { fileURLToPath } from 'node:url' @@ -190,7 +190,7 @@ export class WorkerRun implements WorkflowRun { // data, so serialization cannot fail); there is nothing left to // deliver to — log and move on. /* v8 ignore next -- postMessage teardown race (a throw between exit and its event): not constructible in-process */ - this.ctx.logger.warn(`workflow-vm: postMessage failed: ${renderThrown(error)}`) + this.ctx.logger.warn(`workflow-workerthread: postMessage failed: ${renderThrown(error)}`) } } @@ -293,7 +293,7 @@ export class WorkerRun implements WorkflowRun { // The subagent seam's dispose() is not supposed to reject; a backend // that does anyway must not wedge the script's finally (which awaits // the ack) — ack and move on. - this.ctx.logger.warn(`workflow-vm: child dispose failed: ${renderThrown(error)}`) + this.ctx.logger.warn(`workflow-workerthread: child dispose failed: ${renderThrown(error)}`) this.finishChild(callId) this.post(HostToWorkerType.ChildDisposed, { callId }) }, @@ -322,7 +322,7 @@ export class WorkerRun implements WorkflowRun { void run.dispose().then( () => { this.finishChild(callId) }, (error: unknown) => { - this.ctx.logger.warn(`workflow-vm: child dispose failed during reap: ${renderThrown(error)}`) + this.ctx.logger.warn(`workflow-workerthread: child dispose failed during reap: ${renderThrown(error)}`) this.finishChild(callId) }, ) diff --git a/packages/workflow/workflow-vm/src/index.ts b/packages/workflow/workflow-workerthread/src/index.ts similarity index 99% rename from packages/workflow/workflow-vm/src/index.ts rename to packages/workflow/workflow-workerthread/src/index.ts index 1b65381bfb..538252d90a 100644 --- a/packages/workflow/workflow-vm/src/index.ts +++ b/packages/workflow/workflow-workerthread/src/index.ts @@ -36,7 +36,7 @@ * Plugin export shape: a default-exported {@link WorkflowService} subclass * (the class-based service form, like `dsh-bash-local`). * - * @module @deepseek-ai/dsh-workflow-vm + * @module @deepseek-ai/dsh-workflow-workerthread */ import { randomUUID } from 'node:crypto' diff --git a/packages/workflow/workflow-vm/src/meta.ts b/packages/workflow/workflow-workerthread/src/meta.ts similarity index 99% rename from packages/workflow/workflow-vm/src/meta.ts rename to packages/workflow/workflow-workerthread/src/meta.ts index 75958ba6f1..e818bc6f00 100644 --- a/packages/workflow/workflow-vm/src/meta.ts +++ b/packages/workflow/workflow-workerthread/src/meta.ts @@ -14,7 +14,7 @@ * result — not the source — is the contract: it must materialize to plain * JSON data and pass the shape validation). * - * @module @deepseek-ai/dsh-workflow-vm/meta + * @module @deepseek-ai/dsh-workflow-workerthread/meta */ import * as vm from 'node:vm' diff --git a/packages/workflow/workflow-vm/src/protocol.ts b/packages/workflow/workflow-workerthread/src/protocol.ts similarity index 98% rename from packages/workflow/workflow-vm/src/protocol.ts rename to packages/workflow/workflow-workerthread/src/protocol.ts index 293676706e..ed6b54950a 100644 --- a/packages/workflow/workflow-vm/src/protocol.ts +++ b/packages/workflow/workflow-workerthread/src/protocol.ts @@ -13,7 +13,7 @@ * `post(type, payload)` whose payload parameter is looked up from the map, * so a tag/payload mismatch is a compile error at the call site. * - * @module @deepseek-ai/dsh-workflow-vm/protocol + * @module @deepseek-ai/dsh-workflow-workerthread/protocol */ import type { WorkflowAgentEndInfo, WorkflowAgentInfo, WorkflowResult } from '@deepseek-ai/dsh-workflow' diff --git a/packages/workflow/workflow-vm/src/realm.ts b/packages/workflow/workflow-workerthread/src/realm.ts similarity index 99% rename from packages/workflow/workflow-vm/src/realm.ts rename to packages/workflow/workflow-workerthread/src/realm.ts index 017de76069..393716c279 100644 --- a/packages/workflow/workflow-vm/src/realm.ts +++ b/packages/workflow/workflow-workerthread/src/realm.ts @@ -27,7 +27,7 @@ * thrown by a hook is built OUTSIDE the script's vm context, so an in-script * `instanceof Error` check is false; read `name`/`code`/`message` instead. * - * @module @deepseek-ai/dsh-workflow-vm/realm + * @module @deepseek-ai/dsh-workflow-workerthread/realm */ /** Thrown by {@link materializeFromRealm}; the caller wraps it into the right `WorkflowError` code. */ diff --git a/packages/workflow/workflow-vm/src/runtime.ts b/packages/workflow/workflow-workerthread/src/runtime.ts similarity index 99% rename from packages/workflow/workflow-vm/src/runtime.ts rename to packages/workflow/workflow-workerthread/src/runtime.ts index 3005520fa0..28450977c3 100644 --- a/packages/workflow/workflow-vm/src/runtime.ts +++ b/packages/workflow/workflow-workerthread/src/runtime.ts @@ -33,7 +33,7 @@ * the settles-within-grace guarantee by force-settling `cancelled` and * terminating the worker — the real kill an in-process engine could not have. * - * @module @deepseek-ai/dsh-workflow-vm/runtime + * @module @deepseek-ai/dsh-workflow-workerthread/runtime */ import * as vm from 'node:vm' diff --git a/packages/workflow/workflow-vm/src/session.ts b/packages/workflow/workflow-workerthread/src/session.ts similarity index 99% rename from packages/workflow/workflow-vm/src/session.ts rename to packages/workflow/workflow-workerthread/src/session.ts index 131f760ff9..718b8ac54d 100644 --- a/packages/workflow/workflow-vm/src/session.ts +++ b/packages/workflow/workflow-workerthread/src/session.ts @@ -14,7 +14,7 @@ * A `cancel` arriving instead of `go` still releases the gate: `drive()` * sees the cancelled state and settles without running the body. * - * @module @deepseek-ai/dsh-workflow-vm/session + * @module @deepseek-ai/dsh-workflow-workerthread/session */ import type { MessagePort } from 'node:worker_threads' diff --git a/packages/workflow/workflow-vm/src/types.ts b/packages/workflow/workflow-workerthread/src/types.ts similarity index 98% rename from packages/workflow/workflow-vm/src/types.ts rename to packages/workflow/workflow-workerthread/src/types.ts index c87fc4668c..329523ffc8 100644 --- a/packages/workflow/workflow-vm/src/types.ts +++ b/packages/workflow/workflow-workerthread/src/types.ts @@ -6,7 +6,7 @@ * JSON data by construction, so the structured-clone hop never meets a value * it cannot carry. Types only, per the package convention. * - * @module @deepseek-ai/dsh-workflow-vm/types + * @module @deepseek-ai/dsh-workflow-workerthread/types */ import type { ContentBlock } from '@deepseek-ai/dsh-llm' diff --git a/packages/workflow/workflow-vm/src/worker.ts b/packages/workflow/workflow-workerthread/src/worker.ts similarity index 93% rename from packages/workflow/workflow-vm/src/worker.ts rename to packages/workflow/workflow-workerthread/src/worker.ts index 3b20600d7d..f468ad9a53 100644 --- a/packages/workflow/workflow-vm/src/worker.ts +++ b/packages/workflow/workflow-workerthread/src/worker.ts @@ -6,7 +6,7 @@ * coverage); loading this module on the main thread throws via * `requireParentPort`, which is how the suite covers the file itself. * - * @module @deepseek-ai/dsh-workflow-vm/worker + * @module @deepseek-ai/dsh-workflow-workerthread/worker */ import { parentPort, workerData } from 'node:worker_threads' diff --git a/packages/workflow/workflow-vm/tests/built-worker.e2e.ts b/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts similarity index 97% rename from packages/workflow/workflow-vm/tests/built-worker.e2e.ts rename to packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts index 9bdd3865bb..d541b4c0ff 100644 --- a/packages/workflow/workflow-vm/tests/built-worker.e2e.ts +++ b/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts @@ -28,7 +28,7 @@ describe.skipIf(!existsSync(builtIndex) || !existsSync(builtWorker))('built work await writeFile(driver, ` import { Context } from 'cordis' import SubagentService from '@deepseek-ai/dsh-subagent' -import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' +import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-workerthread' const ctx = new Context() await ctx.plugin(SubagentService) diff --git a/packages/workflow/workflow-vm/tests/integration.spec.ts b/packages/workflow/workflow-workerthread/tests/integration.spec.ts similarity index 98% rename from packages/workflow/workflow-vm/tests/integration.spec.ts rename to packages/workflow/workflow-workerthread/tests/integration.spec.ts index e53ea518bc..ae58a536f8 100644 --- a/packages/workflow/workflow-vm/tests/integration.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/integration.spec.ts @@ -41,7 +41,7 @@ async function setup(script: Script) { return { ctx, parent, adapter } } -describe('dsh-workflow-vm over the real in-process stack', () => { +describe('dsh-workflow-workerthread over the real in-process stack', () => { it('runs a two-stage workflow: a plain child, then a schema child through the structured runtime', async () => { const { ctx, parent } = await setup([ textResponse('the file list is a.ts'), diff --git a/packages/workflow/workflow-vm/tests/meta.spec.ts b/packages/workflow/workflow-workerthread/tests/meta.spec.ts similarity index 100% rename from packages/workflow/workflow-vm/tests/meta.spec.ts rename to packages/workflow/workflow-workerthread/tests/meta.spec.ts diff --git a/packages/workflow/workflow-vm/tests/realm.spec.ts b/packages/workflow/workflow-workerthread/tests/realm.spec.ts similarity index 100% rename from packages/workflow/workflow-vm/tests/realm.spec.ts rename to packages/workflow/workflow-workerthread/tests/realm.spec.ts diff --git a/packages/workflow/workflow-vm/tests/session.spec.ts b/packages/workflow/workflow-workerthread/tests/session.spec.ts similarity index 100% rename from packages/workflow/workflow-vm/tests/session.spec.ts rename to packages/workflow/workflow-workerthread/tests/session.spec.ts diff --git a/packages/workflow/workflow-vm/tests/workflow.e2e.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts similarity index 100% rename from packages/workflow/workflow-vm/tests/workflow.e2e.ts rename to packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts diff --git a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts similarity index 99% rename from packages/workflow/workflow-vm/tests/workflow-vm.spec.ts rename to packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index 7264877f48..9e2218c167 100644 --- a/packages/workflow/workflow-vm/tests/workflow-vm.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -119,7 +119,7 @@ async function run(ctx: Context, parent: Agent, source: string, args?: unknown): } } -describe('dsh-workflow-vm', () => { +describe('dsh-workflow-workerthread', () => { describe('script execution over a real worker thread', () => { it('runs a script end-to-end: agent() text results, phases, log, args, return value, events', async () => { const { ctx, parent, provider } = await setup({ reply: (_request, index) => text(`answer-${index}`) }) diff --git a/packages/workflow/workflow-vm/tsconfig.json b/packages/workflow/workflow-workerthread/tsconfig.json similarity index 100% rename from packages/workflow/workflow-vm/tsconfig.json rename to packages/workflow/workflow-workerthread/tsconfig.json diff --git a/packages/workflow/workflow-vm/tsdown.config.ts b/packages/workflow/workflow-workerthread/tsdown.config.ts similarity index 100% rename from packages/workflow/workflow-vm/tsdown.config.ts rename to packages/workflow/workflow-workerthread/tsdown.config.ts diff --git a/packages/workflow/workflow/README.md b/packages/workflow/workflow/README.md index 96add5017e..317aaf9f81 100644 --- a/packages/workflow/workflow/README.md +++ b/packages/workflow/workflow/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-workflow -The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a workflow engine does — execute a model-written orchestration script that fans out subagents — without saying HOW. The bash-shaped third of the [workflow family](../README.md): implementations subclass `WorkflowService` and register as the `workflows` service (one per context); [`dsh-workflow-vm`](../workflow-vm/README.md) (one worker thread per run) is the implementation, and [`dsh-tool-workflow`](../tool-workflow/README.md) is the model-facing consumer. +The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a workflow engine does — execute a model-written orchestration script that fans out subagents — without saying HOW. The bash-shaped third of the [workflow family](../README.md): implementations subclass `WorkflowService` and register as the `workflows` service (one per context); [`dsh-workflow-workerthread`](../workflow-workerthread/README.md) (one worker thread per run) is the implementation, and [`dsh-tool-workflow`](../tool-workflow/README.md) is the model-facing consumer. ## Service: `WorkflowService` (abstract) diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index 2a57d143b6..6c2b797362 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -4,7 +4,7 @@ * that fans out subagents — without saying HOW. Implementations subclass * {@link WorkflowService} and register as the `workflows` service (one * implementation per context, cordis' standard duplicate-service behavior); - * the implementation is `@deepseek-ai/dsh-workflow-vm`, which runs each + * the implementation is `@deepseek-ai/dsh-workflow-workerthread`, which runs each * script in its own worker thread. Hardened engines (an isolated-vm or * separate-process sandbox) swap in without touching the model-facing tool * that consumes them (`@deepseek-ai/dsh-tool-workflow`). diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index e3e1892e35..c3ce677f83 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -1092,9 +1092,9 @@ importers: '@deepseek-ai/dsh-workflow': specifier: workspace:^ version: link:../workflow - '@deepseek-ai/dsh-workflow-vm': + '@deepseek-ai/dsh-workflow-workerthread': specifier: workspace:^ - version: link:../workflow-vm + version: link:../workflow-workerthread cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -1117,7 +1117,7 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/workflow/workflow-vm: + packages/workflow/workflow-workerthread: dependencies: schemastery: specifier: ^3.18.0 diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index 0abe1a34cf..31e010f55c 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -191,7 +191,7 @@ const SERVICE_ROLES: ServiceRole[] = [ pkg: 'workflow', title: 'Workflow script engine', mode: 'seam', - implementations: ['workflow-vm'], + implementations: ['workflow-workerthread'], consumers: ['tool-workflow'], note: 'One engine per context (bash shape, no named-provider registry); the worker-thread engine fans agent() calls out through ctx.subagents.', }, diff --git a/scripts/gen-tool-catalog.ts b/scripts/gen-tool-catalog.ts index 27481a6304..42795ec00e 100644 --- a/scripts/gen-tool-catalog.ts +++ b/scripts/gen-tool-catalog.ts @@ -51,7 +51,7 @@ import * as ToolFs from '@deepseek-ai/dsh-tool-fs' import * as ToolTodo from '@deepseek-ai/dsh-tool-todo' import * as ToolSubagent from '@deepseek-ai/dsh-tool-subagent' import * as ToolWeb from '@deepseek-ai/dsh-tool-web' -import VmWorkflowEngine from '@deepseek-ai/dsh-workflow-vm' +import VmWorkflowEngine from '@deepseek-ai/dsh-workflow-workerthread' import * as ToolWorkflow from '@deepseek-ai/dsh-tool-workflow' const root = resolve(import.meta.dirname, '..') diff --git a/scripts/run-gates.ts b/scripts/run-gates.ts index 25e08cf8d2..3b4a3568cb 100644 --- a/scripts/run-gates.ts +++ b/scripts/run-gates.ts @@ -313,7 +313,7 @@ function builtBinSmokeGate(): Gate { // The workflow engine's built worker bundle: the only automated proof // that lib/index.js resolves its sibling lib/worker.js under plain node // (the e2e lane runs unbuilt, so this file self-skips there). - 'packages/workflow/workflow-vm/tests/built-worker.e2e.ts', + 'packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts', ], { label: 'built-bin smoke', needs: ['build'], diff --git a/tsconfig.build.json b/tsconfig.build.json index 93cce8f4b9..018c29ec37 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -52,7 +52,7 @@ { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, { "path": "./packages/workflow/workflow" }, - { "path": "./packages/workflow/workflow-vm" }, + { "path": "./packages/workflow/workflow-workerthread" }, { "path": "./packages/workflow/tool-workflow" }, { "path": "./packages/todo/tool-todo" }, { "path": "./packages/hooks/hook-protocol" }, diff --git a/tsconfig.json b/tsconfig.json index ba5ccbac26..0cad85791c 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -63,7 +63,7 @@ { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, { "path": "./packages/workflow/workflow" }, - { "path": "./packages/workflow/workflow-vm" }, + { "path": "./packages/workflow/workflow-workerthread" }, { "path": "./packages/workflow/tool-workflow" }, { "path": "./packages/todo/tool-todo" }, { "path": "./packages/hooks/hook-protocol" }, From af9616f47d87f317d5bc07b90015b3bdaee7524c Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 19:12:58 +0800 Subject: [PATCH 49/90] test: let the wedged-worker regression post its child-start first MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The regression's script spun immediately after calling agent(), but the agent() continuation (which posts the child-start RPC) only runs on a microtask tick — the spin seized the worker's loop before the post, so the host never saw a child inside the waitFor window. A few await-null yields before the spin let the RPC out; the posted message needs no further worker-loop turns to reach the host, so the wedge still holds for the Cancel message the test is about. --- .../tests/workflow-workerthread.spec.ts | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index 9e2218c167..20911d052e 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -511,9 +511,13 @@ describe('dsh-workflow-workerthread', () => { // The stray child's start RPC reaches the host, then the script wedges // its own worker in a synchronous spin: the worker cannot process the // Cancel message, so it can relay NO ChildCancel RPC — only the host's - // own children loop can deliver the explicit cancel in time. + // own children loop can deliver the explicit cancel in time. The + // microtask yields let the agent() continuation POST its child-start + // before the spin seizes the worker's loop (the posted message needs + // no further worker-loop turns to reach the host). script: script(` agent('wedged child') + for (let i = 0; i < 20; i++) await null const end = Date.now() + 1500 while (Date.now() < end) {} return 'raced' From 0d0f0204f206fbea27530919f49c48cf0f3245d6 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 20:09:10 +0800 Subject: [PATCH 50/90] =?UTF-8?q?workflow:=20meta=20rides=20the=20seam=20a?= =?UTF-8?q?s=20data=20=E2=80=94=20the=20engine=20never=20evaluates=20it?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit P1 review finding: extractMeta timed only the literal's vm evaluation; materializing the RESULT then read properties ordinarily on the HOST stack, so a meta literal smuggling a getter (get name() { while(true){} }) could wedge the host outside any timeout — defeating the exact spin isolation the worker thread exists for. Rather than harden the evaluator (descriptor walks, AST validation), delete the mechanism: the workflow's identity now reaches the seam as a plain JSON field (WorkflowStartRequest.meta), carried by the tool as a schema-validated `meta` object parameter the model fills directly. The engine only shape-validates data (validateMeta, every violation named) and pre-parses the body; the scanner, the vm evaluation, and the host-side materialization are gone, and with them the hole. A body still opening with a Claude Code-style `export const meta` statement gets a pointed SCRIPT_PARSE message (the likeliest authoring slip; a CC script's body stays drop-in, only its meta header moves into the parameter). syncTimeoutMs now governs exactly one thing: the initial synchronous slice inside the worker. The RFC's decision section is rewritten in place (implemented-RFC rule); the embedded-meta format moves to alternatives-considered with the hole as the reason. Tool description, presentation (title now reads meta.name directly — the textual sniff is gone), seam vocabulary docs, and catalogs follow. --- docs/config-catalog.md | 4 +- docs/core-data-structures/workflow.md | 7 +- .../feature/2026-07-05-dynamic-workflows.md | 10 +- docs/tool-catalog.md | 53 +++- packages/workflow/tool-workflow/src/index.ts | 53 ++-- .../tool-workflow/tests/tool-workflow.spec.ts | 46 ++-- .../workflow/workflow-workerthread/README.md | 8 +- .../workflow-workerthread/src/index.ts | 35 ++- .../workflow-workerthread/src/meta.ts | 196 ++------------- .../workflow-workerthread/src/runtime.ts | 2 +- .../workflow-workerthread/src/types.ts | 4 +- .../tests/built-worker.e2e.ts | 3 +- .../tests/integration.spec.ts | 8 +- .../workflow-workerthread/tests/meta.spec.ts | 228 +++++------------- .../tests/workflow-workerthread.e2e.ts | 6 +- .../tests/workflow-workerthread.spec.ts | 79 +++--- packages/workflow/workflow/README.md | 2 +- packages/workflow/workflow/src/types.ts | 22 +- 18 files changed, 304 insertions(+), 462 deletions(-) diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 1649ad4e26..65ef893528 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -685,7 +685,7 @@ export interface Config { } ``` -Source: [`packages/workflow/tool-workflow/src/index.ts:40`](../packages/workflow/tool-workflow/src/index.ts) +Source: [`packages/workflow/tool-workflow/src/index.ts:39`](../packages/workflow/tool-workflow/src/index.ts) ## `@deepseek-ai/dsh-web` @@ -815,7 +815,7 @@ export interface Config { maxTotalAgents?: number /** Items accepted by a single `parallel()`/`pipeline()` call (default 4096). */ maxItemsPerCall?: number - /** vm timeout for the initial synchronous slice (inside the worker) AND the host-side meta evaluation (default 5000 ms). */ + /** vm timeout for the script's initial synchronous slice, inside the worker (default 5000 ms). */ syncTimeoutMs?: number /** * How long after a cancellation an unsettled script may keep running before diff --git a/docs/core-data-structures/workflow.md b/docs/core-data-structures/workflow.md index 36ad3be330..4354105e70 100644 --- a/docs/core-data-structures/workflow.md +++ b/docs/core-data-structures/workflow.md @@ -8,20 +8,21 @@ Source: [`packages/workflow/workflow/src/types.ts`](../../packages/workflow/work ## The start request -What a caller asks for when starting a run. The tool layer builds this from the model's `{ script, args }` plus the calling agent; the engine validates the script's meta block BEFORE the body runs. `parent` is REQUIRED — every child the script spawns is attributed to it (cwd, lineage, and depth flow through the [subagent seam](subagent.md)). `args` must be plain host-realm JSON data; the engine exposes it to the script as the `args` global. +What a caller asks for when starting a run. The tool layer builds this from the model's `{ script, meta, args }` call plus the calling agent; `meta` and `args` are plain JSON DATA (the engine shape-validates `meta` and rejects loud BEFORE anything runs — no script text is ever evaluated to obtain it). `parent` is REQUIRED — every child the script spawns is attributed to it (cwd, lineage, and depth flow through the [subagent seam](subagent.md)). ```ts type-equiv interface WorkflowStartRequest { script: string + meta: WorkflowMeta args?: unknown parent: Agent signal?: AbortSignal } ``` -## The script's identity: `WorkflowMeta` +## The workflow's identity: `WorkflowMeta` -The validated `export const meta` block (Claude Code dynamic-workflows format — a PURE object literal heading the script). `phases` is progress vocabulary only: `phase()` calls match titles for observers; no execution structure is implied. +The identity block carried as data on the start request (the tool's `meta` parameter; the field vocabulary matches the Claude Code dynamic-workflows meta block). `phases` is progress vocabulary only: `phase()` calls match titles for observers; no execution structure is implied. ```ts type-equiv interface WorkflowMeta { diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md index 029e090cb1..2f711651f6 100644 --- a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -12,7 +12,7 @@ A workflow capability family at `packages/workflow/` in the bash seam shape (int ### The script contract (Claude Code-compatible) -A script is `export const meta = {...}` (a PURE object literal: `name`, `description`, optional `whenToUse`/`phases`) followed by a plain-JS body with top-level `await`, ending in `return `. The body sees exactly: `agent(prompt, {label, phase, schema, model})`, `parallel(thunks)`, `pipeline(items, ...stages)` (NO cross-stage barrier; `(prev, item, index)` callbacks), `phase(title)`, `log(message)`, and `args`. CC semantics are preserved where they matter to script authors: a failed child resolves `null` (scripts `.filter(Boolean)`); an ordinary stage throw nulls the ITEM and skips its remaining stages. CC's determinism bans (`Date.now()`/`Math.random()`/argless `new Date()` throwing) are NOT enforced — they exist for CC's journaling/resume, which this cut defers — so a CC-authored script runs unchanged while scripts written here may freely read the clock. +A workflow call is two parts: a `meta` JSON parameter (the identity block — `name`, `description`, optional `whenToUse`/`phases`; the field vocabulary matches Claude Code's meta block) and a `script` — a plain-JS body with top-level `await`, ending in `return `. Meta is DATA, never code: the engine shape-validates it and evaluates no script text to obtain it (a body still opening with a CC-style `export const meta` statement is rejected with a pointed message). The body sees exactly: `agent(prompt, {label, phase, schema, model})`, `parallel(thunks)`, `pipeline(items, ...stages)` (NO cross-stage barrier; `(prev, item, index)` callbacks), `phase(title)`, `log(message)`, and `args`. CC semantics are preserved where they matter to script authors: a failed child resolves `null` (scripts `.filter(Boolean)`); an ordinary stage throw nulls the ITEM and skips its remaining stages. CC's determinism bans (`Date.now()`/`Math.random()`/argless `new Date()` throwing) are NOT enforced — they exist for CC's journaling/resume, which this cut defers — so a CC-authored BODY runs unchanged (its meta header moves into the parameter) while scripts written here may freely read the clock. One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferred options (`effort`/`isolation`/`agentType`), malformed arguments, schemas outside the supported subset, tripped caps, seam start failures — throws a `WorkflowError` with `fatal: true`, and the combinators RE-THROW fatal errors instead of nulling the item. Without this, a typo'd option dissolves into a `null` indistinguishable from a child failure — the accepted-then-ignored failure mode this repo bans. One addition: the tool's `args` parameter is a JSON OBJECT (a bare list is wrapped as a field) so the wire schema stays honest. @@ -24,15 +24,15 @@ One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferre **Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) AND Node-API escape from the script's context — the vm context shares object machinery with its surrounding realm, so a script can reach the `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin; the absent globals are API surface, not containment, and a worker thread is NOT a security boundary (an escapee holds process-wide privileges — Node's permission model is per-process). Worker-side code MAY run script code while reading script values, and that is accepted: a synchronous spin costs the script its OWN thread (terminated at the post-cancel grace), never the host loop, so containing error VALUES would be cost without a threat model. Genuine sandboxing (isolated-vm, a separate process) remains an engine swap behind the seam, not incremental defenses here. -**Why node:worker_threads**: one run = one worker thread, no pooling — a run is heavyweight (many children), so thread spin-up (~tens of ms) is noise. The script runs in a vm context INSIDE the worker, keeping the script-visible surface exactly the hook contract above (a bare worker realm would leak `setTimeout`/`fetch`/`process` as accidental API), and every `agent()` bridges to `ctx.subagents` by message-port RPC — children are I/O-bound LLM loops and stay on the host loop; the thread isolates the SCRIPT, the only part that can spin. What the thread buys: `start()` never blocks the host (an in-process engine runs the initial synchronous slice inline and cannot kill a spin past the first await — it could only ABANDON such a script, leaving the spin on the host loop), the post-cancel grace ends in a REAL `worker.terminate()`, and the value boundary is serialization by construction. isolated-vm was rejected for actual sandboxing: maintenance mode, `--no-node-snapshot` on EVERY consumer process (including published bins) on Node ≥ 20, node-gyp source-build fallback. Key mechanics (details in the package README): meta extraction and a body pre-parse stay HOST-side (preserving the seam's synchronous throws), a ready→go handshake keeps a run cancelled before start from ever executing the body, `cancel()` drives both child-cancel channels host-side (the shared request signal AND each child's explicit `cancel()` — a wedged worker cannot relay its own cancel RPCs), a host-side child registry backs worker-death reaping and `dispose()` quiescence, the wire protocol is enum-keyed payload maps private to the package, and on a termination path `agentsStarted` degrades to the host-observed count. Coverage puts the worker-side session on an in-process `MessageChannel` (real-Worker code is invisible to main-process v8) and proves the built `lib/worker.js` — a second tsdown entry, sanctioned in the workspace-constraints gate by the `"./worker"` subpath export — under plain node in the built-bin smoke gate. +**Why node:worker_threads**: one run = one worker thread, no pooling — a run is heavyweight (many children), so thread spin-up (~tens of ms) is noise. The script runs in a vm context INSIDE the worker, keeping the script-visible surface exactly the hook contract above (a bare worker realm would leak `setTimeout`/`fetch`/`process` as accidental API), and every `agent()` bridges to `ctx.subagents` by message-port RPC — children are I/O-bound LLM loops and stay on the host loop; the thread isolates the SCRIPT, the only part that can spin. What the thread buys: `start()` never blocks the host (an in-process engine runs the initial synchronous slice inline and cannot kill a spin past the first await — it could only ABANDON such a script, leaving the spin on the host loop), the post-cancel grace ends in a REAL `worker.terminate()`, and the value boundary is serialization by construction. isolated-vm was rejected for actual sandboxing: maintenance mode, `--no-node-snapshot` on EVERY consumer process (including published bins) on Node ≥ 20, node-gyp source-build fallback. Key mechanics (details in the package README): meta shape-validation and a body pre-parse stay HOST-side (preserving the seam's synchronous throws), a ready→go handshake keeps a run cancelled before start from ever executing the body, `cancel()` drives both child-cancel channels host-side (the shared request signal AND each child's explicit `cancel()` — a wedged worker cannot relay its own cancel RPCs), a host-side child registry backs worker-death reaping and `dispose()` quiescence, the wire protocol is enum-keyed payload maps private to the package, and on a termination path `agentsStarted` degrades to the host-observed count. Coverage puts the worker-side session on an in-process `MessageChannel` (real-Worker code is invisible to main-process v8) and proves the built `lib/worker.js` — a second tsdown entry, sanctioned in the workspace-constraints gate by the `"./worker"` subpath export — under plain node in the built-bin smoke gate. -**Meta extraction**: a string/comment-aware brace scanner (template interpolation rejected) finds the literal; it is evaluated ALONE in an empty, timed vm context; the result must materialize to plain JSON data and pass shape validation (unknown fields rejected loud); the statement is blanked line-preservingly so stacks keep script line numbers. +**Meta as data, never evaluated**: the meta block reaches the seam as a plain JSON request field (the tool's schema-validated `meta` parameter) and the engine only shape-validates it, every violation named. This is a host-isolation invariant, not a convenience: evaluating a meta literal host-side — even one contractually "pure", in an empty timed vm context — hands script-controlled getters a host stack with no timeout the moment the result is READ, defeating the exact spin isolation the worker thread buys. **Value boundary**: values leaving the script (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation; getters are read ordinarily and their RESULT crosses (a throwing read fails loud) — which is also what makes every later postMessage hop total. Values entering the realm (`args`, `agent()` results, hook promises and failures, combinator arrays) are handed over directly as worker-realm values — the script is trusted, so outer prototypes are not a leak; `args` rides the `workerData` structured clone (the caller-isolation copy) and is cloned once more so a script scribbling on it cannot mutate the session's init object. Hook failures are `WorkflowError`s built OUTSIDE the script's context: the combinators recognize fatality by `instanceof` against the engine's own class (unforgeable from the script), and the script-visible consequence — in-script `instanceof Error` is `false` for hook errors; branch on `e.name`/`e.code` — is documented in the engine README. Realm functions (stages, thunks) are called, never materialized. Thrown script values are rendered by a total renderer (stack → message → `String()`, fixed label if rendering throws), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, max(1, availableParallelism() - 2))`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. ### The consumer (dsh-tool-workflow) -A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, await, `try/finally` dispose, abort-bridge `exec.signal`, non-`completed` → `isError`. Render intent: a `generic` card titled by a textual `meta.name` sniff (presentation is a pure function of args). The tool description IS the model-facing authoring spec. The usage policy ships with the tool as its own `tool:` prompt section (explicit-ask-only guidance — tool guidance lives in tool plugins, never in the deployment persona); the harness has no ultracode-style effort gate. +A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, await, `try/finally` dispose, abort-bridge `exec.signal`, non-`completed` → `isError`. Render intent: a `generic` card titled by the call's `meta.name` parameter (presentation is a pure function of args). The tool description IS the model-facing authoring spec. The usage policy ships with the tool as its own `tool:` prompt section (explicit-ask-only guidance — tool guidance lives in tool plugins, never in the deployment persona); the harness has no ultracode-style effort gate. ### The foundation: structured output on the subagent seam @@ -55,7 +55,7 @@ A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, awai - **In-process `node:vm` execution** (the first cut of this RFC shipped it): mechanically simplest — no RPC, no thread — but `start()` blocks the caller for the script's initial synchronous slice, a synchronous spin past the first await cannot be killed in-process (the vm `timeout` covers only that first slice), and `dispose()` could only ABANDON an unsettling script, leaving the spin on the host loop. Superseded by the worker-thread engine, which keeps the same vm-context script surface while unblocking the host and making termination real. - **Background execution as the default** (CC's shape): deferred; foreground-synchronous matches `dsh-tool-subagent`'s cut, and background semantics should be designed ONCE across bash/subagent/workflow rather than per-tool. - **Workflow-layer JSON parsing for `agent({schema})`**: duplicating a seam concern at one consumer while the seam's capability flag stayed dishonestly `false`. -- **Meta as tool parameters instead of `export const meta`**: zero parsing, but scripts stop being self-contained artifacts and CC-authored scripts stop being drop-in. +- **Meta embedded in the script as `export const meta = {...}`** (CC's exact format; the first cut shipped it): keeps scripts self-contained and CC scripts drop-in, but obtaining meta means evaluating model-written text on the HOST — the shipped extractor ran the literal in an empty timed vm context, yet reading the RESULT still executed script-controlled getters on the host stack outside any timeout, re-opening the host-spin hole the worker thread exists to close. A JSON parameter deletes the scanner, the evaluation, and the hole outright; the cost is that a CC script's meta header must move into the parameter (the body stays drop-in). - **`SchemaSpec` as the outputSchema type**: the author-facing DSL cannot express what arrives as data and cannot be validated against without conversion loss. - **A schema-object library (zod, or the repo's schemastery) for the structured-output subset**: the schema is wire data — plain JSON that crosses the vm realm boundary in `agent({schema})` and lands verbatim in the forced tool's parameters — exactly where live schema objects cannot sit; consuming raw JSON Schema at runtime would need a third-party converter on top (zod core only emits JSON Schema, not the reverse), and it would put a second schema language beside schemastery's config role. - **ajv for value validation**: it validates FULL JSON Schema, so the subset gate — the module's actual point, since every accepted keyword must be one the harness enforces — would remain hand-written regardless; it compiles validators through `new Function`; and it would be dsh-tools' first runtime dependency, all to replace the ~70-line value walker while the path-qualified, every-violation error reporting stays custom either way. diff --git a/docs/tool-catalog.md b/docs/tool-catalog.md index 3794b1d7a7..088147b799 100644 --- a/docs/tool-catalog.md +++ b/docs/tool-catalog.md @@ -283,7 +283,7 @@ todo_write is session-owned state; UIs render the latest todo/write event as a c Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. -The script MUST begin with `export const meta = {...}` — a PURE object literal (no variables, calls, or template interpolation) with required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. +The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. @@ -301,7 +301,53 @@ Constraints: concurrency and total-agent caps apply; no filesystem, network, tim "properties": { "script": { "type": "string", - "description": "The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `)." + "description": "The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)." + }, + "meta": { + "type": "object", + "description": "The workflow identity block (plain JSON — never code).", + "properties": { + "name": { + "type": "string", + "description": "Short kebab-case workflow name." + }, + "description": { + "type": "string", + "description": "One-line description of what the workflow does." + }, + "whenToUse": { + "type": "string", + "description": "Optional guidance on when this workflow applies." + }, + "phases": { + "type": "array", + "description": "Optional phase declarations matched by phase() calls.", + "items": { + "type": "object", + "properties": { + "title": { + "type": "string", + "description": "The phase title phase() calls match by exact string." + }, + "detail": { + "type": "string", + "description": "Optional one-line description of the phase." + }, + "model": { + "type": "string", + "description": "Optional model override this phase is expected to use." + } + }, + "required": [ + "title" + ] + } + } + }, + "required": [ + "name", + "description" + ] }, "args": { "type": "object", @@ -309,7 +355,8 @@ Constraints: concurrency and total-agent caps apply; no filesystem, network, tim } }, "required": [ - "script" + "script", + "meta" ] } ``` diff --git a/packages/workflow/tool-workflow/src/index.ts b/packages/workflow/tool-workflow/src/index.ts index 22ab21ffc6..7cd1606b47 100644 --- a/packages/workflow/tool-workflow/src/index.ts +++ b/packages/workflow/tool-workflow/src/index.ts @@ -13,9 +13,8 @@ * collection is deferred to the cross-tool background redesign. * * Render intent (decided up front, per the render-intent RFC): a `generic` - * card whose title carries the script's `meta.name`, sniffed textually from - * the args — presentation must be a pure function of `args`, so it cannot ask - * the engine to parse. + * card whose title carries the workflow's `meta.name`, read directly from the + * call's `meta` parameter — presentation is a pure function of `args`. * * Usage policy ships with the tool as a `tool:` system-prompt * section (explicit-ask-only guidance) — tool guidance lives in tool plugins, @@ -58,7 +57,7 @@ type ResolvedConfig = Required */ const DESCRIPTION = `Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. -The script MUST begin with \`export const meta = {...}\` — a PURE object literal (no variables, calls, or template interpolation) with required \`name\` (short kebab-case) and \`description\` strings, optional \`whenToUse\` string and \`phases\` array (\`{title, detail?, model?}\`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with \`return \` — the value must be JSON-serializable and is this tool's result. +The workflow's identity rides the \`meta\` parameter as JSON: required \`name\` (short kebab-case) and \`description\` strings, optional \`whenToUse\` string and \`phases\` array (\`{title, detail?, model?}\`). The \`script\` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO \`export const meta\` statement — meta is a parameter, not code), running with top-level await; end with \`return \` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - \`agent(prompt, opts?): Promise\` — run one subagent to completion. Without \`opts.schema\` it resolves to the child's final text; with \`opts.schema\` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves \`null\` when the child fails (filter with \`.filter(Boolean)\`). Other opts: \`label\` (display), \`phase\` (progress group), \`model\` (override). Anything else (\`effort\`/\`isolation\`/\`agentType\`) is rejected loudly. @@ -70,20 +69,17 @@ Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.` -type WorkflowCallArgs = { script: string; args?: Record } - -/** Best-effort meta.name sniff for presentation (pure textual; no evaluation). */ -function sniffMetaName(script: string): string | undefined { - const match = /export\s+const\s+meta\s*=\s*\{[^{}]*?name\s*:\s*(['"`])([^'"`\n]{1,64})\1/.exec(script) - return match?.[2] +type WorkflowCallArgs = { + script: string + meta: { name: string; description: string; whenToUse?: string; phases?: { title: string; detail?: string; model?: string }[] } + args?: Record } -/** The pending-state card: a generic card titled by the script's meta name. */ +/** The pending-state card: a generic card titled by the workflow's meta name. */ function presentWorkflowCall(args: WorkflowCallArgs): ToolCallView { - const name = sniffMetaName(args.script) return { card: 'generic', - title: name !== undefined ? `workflow: ${name}` : 'workflow', + title: `workflow: ${args.meta.name}`, rawInput: args.script, } } @@ -139,7 +135,29 @@ export function apply(ctx: Context, config: Config): void { script: { type: 'string', required: true, - description: 'The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `).', + description: 'The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `).', + }, + meta: { + type: 'object', + required: true, + description: 'The workflow identity block (plain JSON — never code).', + properties: { + name: { type: 'string', required: true, description: 'Short kebab-case workflow name.' }, + description: { type: 'string', required: true, description: 'One-line description of what the workflow does.' }, + whenToUse: { type: 'string', description: 'Optional guidance on when this workflow applies.' }, + phases: { + type: 'array', + description: 'Optional phase declarations matched by phase() calls.', + items: { + type: 'object', + properties: { + title: { type: 'string', required: true, description: 'The phase title phase() calls match by exact string.' }, + detail: { type: 'string', description: 'Optional one-line description of the phase.' }, + model: { type: 'string', description: 'Optional model override this phase is expected to use.' }, + }, + }, + }, + }, }, args: { type: 'object', @@ -155,11 +173,12 @@ export function apply(ctx: Context, config: Config): void { throw new Error('workflow tool requires a calling agent (exec.agent was undefined)') } - // Parse failures (SCRIPT_PARSE/META_INVALID) throw synchronously here - // and become isError results via the registry — the model sees the - // violation list and can correct the script. + // Meta/body validation failures (META_INVALID/SCRIPT_PARSE) throw + // synchronously here and become isError results via the registry — the + // model sees the violation list and can correct the call. const run: WorkflowRun = ctx.workflows.start({ script: args.script, + meta: args.meta, ...args.args !== undefined ? { args: args.args } : {}, parent, ...exec.signal ? { signal: exec.signal } : {}, diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts index dafc39bf46..0585889617 100644 --- a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -55,7 +55,8 @@ async function setup(config?: { toolName?: string; maxResultChars?: number }) { return { ctx, engine, parent } } -const SCRIPT = "export const meta = { name: 'audit', description: 'd' }\nreturn 1" +const SCRIPT = 'return 1' +const META = { name: 'audit', description: 'd' } function execute(ctx: Context, args: unknown, extra?: { agent?: Agent; signal?: AbortSignal }): Promise { return ctx.tools.execute({ @@ -71,9 +72,9 @@ describe('dsh-tool-workflow', () => { it('starts a run with the script/args/parent/signal and renders the completed value', async () => { const { ctx, engine, parent } = await setup() const controller = new AbortController() - const pending = execute(ctx, { script: SCRIPT, args: { files: ['a.ts'] } }, { agent: parent, signal: controller.signal }) + const pending = execute(ctx, { script: SCRIPT, meta: META, args: { files: ['a.ts'] } }, { agent: parent, signal: controller.signal }) await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) - expect(engine.requests[0]).toMatchObject({ script: SCRIPT, args: { files: ['a.ts'] }, parent }) + expect(engine.requests[0]).toMatchObject({ script: SCRIPT, meta: META, args: { files: ['a.ts'] }, parent }) expect(engine.requests[0]!.signal).toBe(controller.signal) engine.settle({ value: { findings: [1, 2] }, stopReason: 'completed', agentsStarted: 7 }) const result = await pending @@ -86,7 +87,7 @@ describe('dsh-tool-workflow', () => { it('maps a non-completed stop reason to an isError result (and still disposes)', async () => { const { ctx, engine, parent } = await setup() - const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) engine.settle({ value: null, stopReason: 'error', error: 'script threw: boom', agentsStarted: 2 }) const result = await pending @@ -97,14 +98,14 @@ describe('dsh-tool-workflow', () => { it('reports a cancelled run distinctly (with and without a reason)', async () => { const { ctx, engine, parent } = await setup() - const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) engine.settle({ value: null, stopReason: 'cancelled', error: 'user', agentsStarted: 0 }) const result = await pending expect(result.isError).toBe(true) expect((result.content[0] as { text: string }).text).toContain('workflow run was cancelled (user)') - const bare = execute(ctx, { script: SCRIPT }, { agent: parent }) + const bare = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) await vi.waitFor(() => { expect(engine.requests.length).toBe(2) }) engine.settle({ value: null, stopReason: 'cancelled', agentsStarted: 0 }) expect(((await bare).content[0] as { text: string }).text.trim().endsWith('cancelled')).toBe(true) @@ -112,7 +113,7 @@ describe('dsh-tool-workflow', () => { it('an error result without a message renders the unknown-error fallback', async () => { const { ctx, engine, parent } = await setup() - const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) engine.settle({ value: null, stopReason: 'error', agentsStarted: 0 }) expect(((await pending).content[0] as { text: string }).text).toContain('unknown error') @@ -121,7 +122,7 @@ describe('dsh-tool-workflow', () => { it('cancels the run when exec.signal aborts MID-FLIGHT (the abort bridge)', async () => { const { ctx, engine, parent } = await setup() const controller = new AbortController() - const pending = execute(ctx, { script: SCRIPT }, { agent: parent, signal: controller.signal }) + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent, signal: controller.signal }) await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) controller.abort() const result = await pending @@ -130,17 +131,17 @@ describe('dsh-tool-workflow', () => { expect(engine.disposed).toBe(1) }) - it('a synchronous engine start throw (parse/meta failure) becomes an isError result', async () => { + it('a synchronous engine start throw (meta/parse failure) becomes an isError result', async () => { const { ctx, engine, parent } = await setup() - engine.startError = new Error('script must begin with `export const meta = {...}`') - const result = await execute(ctx, { script: 'nope' }, { agent: parent }) + engine.startError = new Error('invalid meta: meta.name must be a non-empty string') + const result = await execute(ctx, { script: 'nope', meta: { name: '', description: 'd' } }, { agent: parent }) expect(result.isError).toBe(true) - expect((result.content[0] as { text: string }).text).toContain('must begin with') + expect((result.content[0] as { text: string }).text).toContain('meta.name must be a non-empty string') }) it('requires a calling agent (fails loud without exec.agent)', async () => { const { ctx, engine } = await setup() - const result = await execute(ctx, { script: SCRIPT }) + const result = await execute(ctx, { script: SCRIPT, meta: META }) expect(result.isError).toBe(true) expect((result.content[0] as { text: string }).text).toContain('requires a calling agent') expect(engine.requests.length).toBe(0) @@ -157,7 +158,7 @@ describe('dsh-tool-workflow', () => { const { ctx, engine, parent } = await setup() const controller = new AbortController() controller.abort() - const result = await execute(ctx, { script: SCRIPT }, { agent: parent, signal: controller.signal }) + const result = await execute(ctx, { script: SCRIPT, meta: META }, { agent: parent, signal: controller.signal }) expect(result.isError).toBe(true) expect(engine.cancels).toContain('parent step aborted') expect(engine.disposed).toBe(1) @@ -165,7 +166,7 @@ describe('dsh-tool-workflow', () => { it('truncates an oversized rendered value with a notice (maxResultChars)', async () => { const { ctx, engine, parent } = await setup({ maxResultChars: 40 }) - const pending = execute(ctx, { script: SCRIPT }, { agent: parent }) + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) engine.settle({ value: { blob: 'x'.repeat(500) }, stopReason: 'completed', agentsStarted: 1 }) const rendered = ((await pending).content[0] as { text: string }).text @@ -193,22 +194,22 @@ describe('dsh-tool-workflow', () => { expect((await ctx.systemPrompt.assemble()).sections.some(s => s.name === 'tool:orchestrate')).toBe(false) }) - it('presents a generic pending card titled by the sniffed meta name, with the script as rawInput', async () => { + it('presents a generic pending card titled by the meta name, with the script as rawInput', async () => { const { ctx } = await setup() const tool = ctx.tools.get('workflow')! - const view = tool.presentCall!({ script: SCRIPT }) + const view = tool.presentCall!({ script: SCRIPT, meta: META }) expect(view).toMatchObject({ card: 'generic', title: 'workflow: audit', rawInput: SCRIPT }) - const anonymous = tool.presentCall!({ script: 'export const meta = {}\nreturn 1' }) - expect(anonymous).toMatchObject({ card: 'generic', title: 'workflow' }) }) it('presentResult keeps the generic card; presentation is pure and replay-safe on malformed args', async () => { const { ctx } = await setup() const tool = ctx.tools.get('workflow')! - expect(tool.presentResult!({ script: SCRIPT }, { content: [], isError: false })).toEqual({ card: 'generic' }) + expect(tool.presentResult!({ script: SCRIPT, meta: META }, { content: [], isError: false })).toEqual({ card: 'generic' }) // defineTool soft-validates presentation args: a malformed logged shape - // falls back to undefined instead of throwing mid-replay. + // (wrong fields entirely, or a call missing its meta) falls back to + // undefined instead of throwing mid-replay. expect(tool.presentCall!({ not: 'the schema' })).toBeUndefined() + expect(tool.presentCall!({ script: SCRIPT })).toBeUndefined() }) it('has the namespace-plugin export shape (no stray default)', () => { @@ -239,7 +240,8 @@ describe('dsh-tool-workflow', () => { const parent = { id: AgentId('caller'), options: {} } as unknown as Agent const controller = new AbortController() const pending = execute(ctx, { - script: "export const meta = { name: 'stuck', description: 'parks forever' }\nawait new Promise(() => {})\nreturn 1", + script: 'await new Promise(() => {})\nreturn 1', + meta: { name: 'stuck', description: 'parks forever' }, }, { agent: parent, signal: controller.signal }) // Give the run a beat to start (past its synchronous slice), then abort. await new Promise(resolve => setTimeout(resolve, 20)) diff --git a/packages/workflow/workflow-workerthread/README.md b/packages/workflow/workflow-workerthread/README.md index 0e763bdee9..25c79ad09c 100644 --- a/packages/workflow/workflow-workerthread/README.md +++ b/packages/workflow/workflow-workerthread/README.md @@ -14,19 +14,19 @@ What the seam guarantees regardless, because benign scripts hit these constantly ## The script contract it executes -- **Meta extraction** (`extractMeta`, host-side): a string/comment-aware brace scanner finds the leading `export const meta` literal (template interpolation rejected — the literal must be pure), evaluates it ALONE in an empty timed vm context, materializes the result to plain JSON data, validates the shape (`name`/`description` required; unknown fields rejected loud), and blanks the statement line-preservingly so error stacks keep the script's own line numbers. +- **Meta as DATA** (`validateMeta`, host-side): the workflow's identity arrives on the start request as plain JSON (the tool carries it as its schema-validated `meta` parameter — never as script text) and is shape-validated loud, every violation named (`name`/`description` required; unknown fields rejected). The engine deliberately evaluates NO script text to obtain meta: an evaluated meta literal could smuggle getters that run on the host outside any vm timeout — the exact spin the worker thread exists to isolate. A body that still opens with a Claude Code-style `export const meta` statement is rejected with a pointed `SCRIPT_PARSE` message. - **Hooks**: `agent(prompt, {label, phase, schema, model})` (schema = the [structured-output subset](../../core/tools/README.md), forwarded as `outputSchema`; result = validated object, or final text without a schema; a failed child resolves `null`), `parallel(thunks)`, `pipeline(items, ...stages)` with NO cross-stage barrier and `(prev, item, index)` stage callbacks, `phase(title)`, `log(message)`, and the `args` global. Anything else — `effort`/`isolation`/`agentType`, unknown options, malformed arguments, schemas outside the subset — throws a FATAL `WorkflowError` that `parallel`/`pipeline` re-throw rather than nulling (see the seam README's failure discipline). - **No ambient APIs**: no timers, filesystem, or Node APIs are injected into the context (absence is API surface, not containment — see the trust premise). ## How a run executes -`start()` extracts and validates the meta HOST-side and parse-checks the body with the identical wrapper the worker compiles (`new vm.Script`, discarded), preserving the seam's synchronous `SCRIPT_PARSE`/`META_INVALID` throws; one redundant parse per run is the deliberate price. It then spawns the worker (`src/worker.ts` unbuilt via an explicit tsx `execArgv`; the sibling `lib/worker.js` bundle when built) with the meta, blanked body, `args`, and worker-side limits as `workerData`. +`start()` shape-validates the meta DATA host-side and parse-checks the body with the identical wrapper the worker compiles (`new vm.Script`, discarded), preserving the seam's synchronous `META_INVALID`/`SCRIPT_PARSE` throws; one redundant parse per run is the deliberate price. It then spawns the worker (`src/worker.ts` unbuilt via an explicit tsx `execArgv`; the sibling `lib/worker.js` bundle when built) with the meta, body, `args`, and worker-side limits as `workerData`. Inside the worker, `runWorkerSession` builds the execution core (hooks, combinators, concurrency semaphore, caps, fatal-error discipline) over a **child port**: `agent()` sends `child-start` and the host starts the child on `ctx.subagents` (parent attribution, the shared per-run abort signal, `outputSchema`/`model` pass-through), replying with the child id, its settlement (a JSON projection; an infrastructure REJECTION crosses as `child-failed` and stays the fatal `AGENT_RESULT`), and dispose acks. Observer narration (`phase`/`log`/`agent-start`/`agent-end`) crosses as messages and re-emits as the seam's `workflow/*` events. A **ready→go handshake** gates the body: a cancellation racing worker boot arrives before `go`, so a run cancelled before start never executes the body at all. ## The value boundary -Values LEAVING the script (the meta literal, hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into plain containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Getters are read ordinarily — the RESULT is what crosses; a read that throws fails loud. Values ENTERING the realm (`args`, `agent()` results, hook promises and their failures, combinator arrays) are handed over directly as worker-realm values — the script is trusted, so outer prototypes are not a leak; `args` is cloned once at start so a script scribbling on it cannot mutate the caller's object. One script-visible consequence: an error thrown by a hook is built OUTSIDE the script's vm context, so `e instanceof Error` inside the script is `false` — branch on `e.name`/`e.code` instead (the combinators recognize fatality by `instanceof` against their own realm's class, which a script-built object can never pass, so fatal-vs-null cannot be forged or dissolved). +Values LEAVING the script (hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into plain containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Getters are read ordinarily — the RESULT is what crosses; a read that throws fails loud; both run in the WORKER, never on the host. Values ENTERING the realm (`args`, `agent()` results, hook promises and their failures, combinator arrays) are handed over directly as worker-realm values — the script is trusted, so outer prototypes are not a leak; `args` is cloned once at start so a script scribbling on it cannot mutate the caller's object. One script-visible consequence: an error thrown by a hook is built OUTSIDE the script's vm context, so `e instanceof Error` inside the script is `false` — branch on `e.name`/`e.code` instead (the combinators recognize fatality by `instanceof` against their own realm's class, which a script-built object can never pass, so fatal-vs-null cannot be forged or dissolved). ## Cancellation, death, disposal @@ -44,5 +44,5 @@ A worker that dies unexpectedly (an OOM, a script reaching `process.exit` throug | `maxConcurrentAgents` | `0` (auto) | Concurrent `agent()` ceiling; `0` resolves to `min(16, max(1, cores - 2))`. | | `maxTotalAgents` | `1000` | Total `agent()` calls one run may start (runaway-loop backstop). | | `maxItemsPerCall` | `4096` | Items accepted by one `parallel()`/`pipeline()` call. | -| `syncTimeoutMs` | `5000` | vm timeout for the initial synchronous slice (in the worker) and the host-side meta evaluation. | +| `syncTimeoutMs` | `5000` | vm timeout for the script's initial synchronous slice (in the worker). | | `disposeGraceMs` | `5000` | How long a cancelled run may stay unsettled before force-settle + terminate; also bounds `dispose()`. | diff --git a/packages/workflow/workflow-workerthread/src/index.ts b/packages/workflow/workflow-workerthread/src/index.ts index 538252d90a..e0b8caf3fb 100644 --- a/packages/workflow/workflow-workerthread/src/index.ts +++ b/packages/workflow/workflow-workerthread/src/index.ts @@ -47,10 +47,10 @@ import z from 'schemastery' import WorkflowService, { WorkflowError, WorkflowRunId } from '@deepseek-ai/dsh-workflow' import type { WorkflowRun, WorkflowRunInfo, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' import { WorkerRun } from './host.ts' -import { extractMeta } from './meta.ts' +import { validateMeta } from './meta.ts' import type { WorkerInit, WorkerLimits } from './types.ts' -export { extractMeta, type ExtractedScript } from './meta.ts' +export { validateMeta } from './meta.ts' export { HostToWorkerType, WorkerToHostType } from './protocol.ts' export type { HostToWorkerMessage, HostToWorkerPayloads, WorkerToHostMessage, WorkerToHostPayloads } from './protocol.ts' export { materializeFromRealm, MaterializeError } from './realm.ts' @@ -75,7 +75,7 @@ export interface Config { maxTotalAgents?: number /** Items accepted by a single `parallel()`/`pipeline()` call (default 4096). */ maxItemsPerCall?: number - /** vm timeout for the initial synchronous slice (inside the worker) AND the host-side meta evaluation (default 5000 ms). */ + /** vm timeout for the script's initial synchronous slice, inside the worker (default 5000 ms). */ syncTimeoutMs?: number /** * How long after a cancellation an unsettled script may keep running before @@ -87,13 +87,21 @@ export interface Config { type ResolvedConfig = Required +/** A body that still carries the Claude Code-style meta header (meta rides the seam as data here). */ +const META_STATEMENT = /^\s*export\s+const\s+meta\b/ + /** * Parse-check the body with the SAME wrapper the worker-side runtime * compiles, so `start()` keeps the seam's synchronous `SCRIPT_PARSE` throw * (the worker's own compile happens a thread away, after `start()` returned). - * One redundant parse per run, bought deliberately for the contract. + * One redundant parse per run, bought deliberately for the contract. A body + * opening with `export const meta` gets a pointed message instead of the + * wrapper's bare SyntaxError — the model's likeliest authoring slip. */ function assertBodyParses(body: string, name: string): void { + if (META_STATEMENT.test(body)) { + throw new WorkflowError('workflow meta rides the `meta` request field, not the script: remove the `export const meta = {...}` statement from the body', 'SCRIPT_PARSE') + } try { // Parse only — the script object is discarded, nothing executes. void new vm.Script(`(async () => {\n${body}\n})()`, { filename: `workflow:${name}`, lineOffset: -1 }) @@ -130,17 +138,18 @@ export class WorkerWorkflowEngine extends WorkflowService { } /** - * Parse and execute a workflow script in a fresh worker thread. Throws - * {@link WorkflowError} synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a - * script that cannot begin; once a run is returned, every failure resolves - * through `result.stopReason` instead. - * @param request - the script, its `args`, the parent agent, and an - * optional cancel signal. + * Validate and execute a workflow script in a fresh worker thread. Throws + * {@link WorkflowError} synchronously (`META_INVALID` for a malformed meta + * block, `SCRIPT_PARSE` for a body that does not compile) for a request + * that cannot begin; once a run is returned, every failure resolves through + * `result.stopReason` instead. + * @param request - the script body, its meta data and `args`, the parent + * agent, and an optional cancel signal. * @returns the live run (its `result` resolves when the script settles). */ start(request: WorkflowStartRequest): WorkflowRun { - const { meta, body } = extractMeta(request.script, this.config.syncTimeoutMs) - assertBodyParses(body, meta.name) + const meta = validateMeta(request.meta) + assertBodyParses(request.script, meta.name) const id = WorkflowRunId(randomUUID()) // The event payloads and the run handle get SEPARATE meta clones: a // listener mutating its snapshot must not corrupt the holder's view. @@ -155,7 +164,7 @@ export class WorkerWorkflowEngine extends WorkflowService { } const init: WorkerInit = { meta, - body, + body: request.script, ...request.args !== undefined ? { args: request.args } : {}, limits, } diff --git a/packages/workflow/workflow-workerthread/src/meta.ts b/packages/workflow/workflow-workerthread/src/meta.ts index e818bc6f00..848a4fc9b1 100644 --- a/packages/workflow/workflow-workerthread/src/meta.ts +++ b/packages/workflow/workflow-workerthread/src/meta.ts @@ -1,100 +1,24 @@ /** - * Meta-block extraction: turn a Claude Code-format workflow script — - * `export const meta = {...}` followed by a plain-JS body — into a validated - * {@link WorkflowMeta} plus the body with the meta statement blanked - * line-preservingly (error stacks keep the script's own line numbers). - * - * The scanner is a small string/comment-aware brace matcher, not a JS parser: - * it only has to find the END of the meta object literal, and the literal is - * contractually PURE (no interpolation, no computed values). Template strings - * are tolerated as plain quotes but `${` inside one is rejected up front — - * interpolation is where "literal" stops being checkable by evaluation. The - * extracted text is then evaluated ALONE in an empty, timed vm context (a - * non-literal reference throws there; an expression can still RUN, so the - * result — not the source — is the contract: it must materialize to plain - * JSON data and pass the shape validation). + * Meta validation: check the caller-provided {@link WorkflowMeta} DATA against + * the shape contract and reject everything else loud, every violation named. + * Meta arrives as plain JSON through the seam (the model-facing tool carries + * it as a schema-validated object parameter) — the engine never evaluates + * script text to obtain it, so no script-controlled code can run on the host + * here (an evaluated meta literal could smuggle getters that spin the host + * outside any vm timeout, the exact escape the worker thread exists to + * prevent). * * @module @deepseek-ai/dsh-workflow-workerthread/meta */ -import * as vm from 'node:vm' import { WorkflowError } from '@deepseek-ai/dsh-workflow' import type { WorkflowMeta, WorkflowPhase } from '@deepseek-ai/dsh-workflow' -import { materializeFromRealm, MaterializeError, renderThrown } from './realm.ts' -/** The result of {@link extractMeta}: the validated meta and the runnable body. */ -export interface ExtractedScript { - meta: WorkflowMeta - /** The script with the meta statement blanked (newlines preserved). */ - body: string -} - -/** - * Scan `source` from `start` (an opening `{`) to its matching `}`, aware of - * string literals (`'`/`"`/backtick, with escapes) and comments. Returns the - * index AFTER the closing brace. Throws `SCRIPT_PARSE` on template - * interpolation (`${` inside a backtick string) or an unterminated literal. - */ -function scanObjectLiteral(source: string, start: number): number { - let depth = 0 - let index = start - while (index < source.length) { - const ch = source.charAt(index) - if (ch === '/' && source[index + 1] === '/') { - const end = source.indexOf('\n', index) - index = end === -1 ? source.length : end + 1 - continue - } - if (ch === '/' && source[index + 1] === '*') { - const end = source.indexOf('*/', index + 2) - if (end === -1) throw new WorkflowError('meta block has an unterminated comment', 'SCRIPT_PARSE') - index = end + 2 - continue - } - if (ch === '\'' || ch === '"' || ch === '`') { - index = scanString(source, index, ch) - continue - } - if (ch === '{' || ch === '[') depth += 1 - if (ch === '}' || ch === ']') { - depth -= 1 - if (depth === 0) return index + 1 - } - index += 1 - } - throw new WorkflowError('meta block is not a balanced object literal', 'SCRIPT_PARSE') -} - -/** Scan past one string literal starting at `start` (the quote char); returns the index after the closing quote. */ -function scanString(source: string, start: number, quote: string): number { - let index = start + 1 - while (index < source.length) { - const ch = source.charAt(index) - if (ch === '\\') { - index += 2 - continue - } - if (quote === '`' && ch === '$' && source[index + 1] === '{') { - throw new WorkflowError('template interpolation (`${...}`) is not allowed in the meta block — meta must be a pure literal', 'SCRIPT_PARSE') - } - if (ch === quote) return index + 1 - index += 1 - } - throw new WorkflowError('meta block has an unterminated string literal', 'SCRIPT_PARSE') -} - -/** Replace `[from, to)` of `source` with whitespace, preserving every newline (line numbers survive). */ -function blankSpan(source: string, from: number, to: number): string { - const blanked = source.slice(from, to).replace(/[^\n]/g, ' ') - return source.slice(0, from) + blanked + source.slice(to) -} - -/** Collect shape violations for an evaluated meta value (already materialized to host JSON data). */ +/** Collect shape violations for a meta value (plain JSON data by the seam contract). */ function validateMetaShape(meta: unknown): { meta?: WorkflowMeta; violations: string[] } { const violations: string[] = [] - /* v8 ignore next 3 -- defensive: the scanner only extracts a brace-delimited literal, which always evaluates to a plain object */ if (typeof meta !== 'object' || meta === null || Array.isArray(meta)) { - return { violations: ['meta must be an object literal'] } + return { violations: ['meta must be an object'] } } const record = meta as Record const known = new Set(['name', 'description', 'whenToUse', 'phases']) @@ -143,97 +67,19 @@ function validateMetaShape(meta: unknown): { meta?: WorkflowMeta; violations: st } } -/** `export const meta =`, anchored AFTER {@link skipLeadingTrivia} — its quantifiers cannot backtrack ambiguously. */ -const META_HEAD = /^export\s+const\s+meta\s*=\s*/ - /** - * Index just past the leading trivia: whitespace and `//` / `/*`-style - * comments. A hand-rolled character scan, NOT a prefix regex — an - * all-alternation prefix (`\s*(?:comment|\s+)*`) partitions a whitespace run - * ambiguously and backtracks EXPONENTIALLY when the match ultimately fails, - * so a near-miss script (a comment header, then a forgotten `export`) would - * spin the host synchronously inside `start()`, where no vm timeout applies. - * The near-miss must fail fast into `SCRIPT_PARSE` instead — that error is - * the model's retry signal. + * Validate a caller-provided meta value against the {@link WorkflowMeta} + * contract. Throws `META_INVALID` naming every violation (unknown fields, + * missing/mistyped `name`/`description`, malformed `phases`); the returned + * meta is a NORMALIZED copy built from the validated fields, so the engine + * never aliases the caller's object. + * @param value - the meta data from the start request (plain JSON by the seam contract). + * @returns the validated, normalized meta block. */ -function skipLeadingTrivia(source: string): number { - let index = 0 - while (index < source.length) { - const ch = source.charAt(index) - if (/\s/.test(ch)) { - index += 1 - continue - } - if (ch === '/' && source[index + 1] === '/') { - const end = source.indexOf('\n', index) - if (end === -1) return source.length - index = end + 1 - continue - } - if (ch === '/' && source[index + 1] === '*') { - const end = source.indexOf('*/', index + 2) - if (end === -1) throw new WorkflowError('script has an unterminated comment before the meta block', 'SCRIPT_PARSE') - index = end + 2 - continue - } - break - } - return index -} - -/** - * Extract and validate the leading `export const meta = {...}` statement. - * Throws {@link WorkflowError} — `SCRIPT_PARSE` when the statement is missing - * or unscannable, `META_INVALID` when the literal evaluates to something - * outside the meta contract (non-JSON data, wrong shape, unknown fields). - * @param script - the full script text. - * @param evalTimeoutMs - the vm timeout for evaluating the extracted literal. - * @returns the validated meta and the line-preservingly blanked body. - */ -export function extractMeta(script: string, evalTimeoutMs: number): ExtractedScript { - const triviaEnd = skipLeadingTrivia(script) - const match = META_HEAD.exec(script.slice(triviaEnd)) - if (!match) { - throw new WorkflowError('script must begin with `export const meta = {...}` (leading comments allowed)', 'SCRIPT_PARSE') - } - const literalStart = triviaEnd + match[0].length - if (script[literalStart] !== '{') { - throw new WorkflowError('`export const meta =` must be followed by an object literal', 'SCRIPT_PARSE') - } - const literalEnd = scanObjectLiteral(script, literalStart) - const literal = script.slice(literalStart, literalEnd) - - let evaluated: unknown - try { - // An EMPTY context: any non-literal reference (a variable, a call) throws - // here. The result — data only — is what the contract checks; a getter or - // IIFE can still run, which is why the timeout and the materialization - // below are part of the same boundary. - evaluated = vm.runInNewContext(`(${literal})`, undefined, { timeout: evalTimeoutMs }) - } catch (error: unknown) { - throw new WorkflowError( - `meta block failed to evaluate as a pure literal: ${renderThrown(error)}`, - 'META_INVALID', - { cause: error }, - ) - } - let data: unknown - try { - data = materializeFromRealm(evaluated, 'meta') - } catch (error: unknown) { - /* v8 ignore next -- defensive rethrow arm: materializeFromRealm only throws MaterializeError */ - if (!(error instanceof MaterializeError)) throw error - throw new WorkflowError(`meta block is not pure JSON data — ${error.message}`, 'META_INVALID', { cause: error }) - } - const { meta, violations } = validateMetaShape(data) +export function validateMeta(value: unknown): WorkflowMeta { + const { meta, violations } = validateMetaShape(value) if (meta === undefined) { - throw new WorkflowError(`invalid meta block: ${violations.join('; ')}`, 'META_INVALID') + throw new WorkflowError(`invalid meta: ${violations.join('; ')}`, 'META_INVALID') } - - // Blank the whole statement (including a trailing semicolon, if any) so the - // body compiles standalone with its original line numbers. - let statementEnd = literalEnd - while (statementEnd < script.length && (script[statementEnd] === ' ' || script[statementEnd] === '\t')) statementEnd += 1 - if (script[statementEnd] === ';') statementEnd += 1 - return { meta, body: blankSpan(script, 0, statementEnd) } + return meta } diff --git a/packages/workflow/workflow-workerthread/src/runtime.ts b/packages/workflow/workflow-workerthread/src/runtime.ts index 28450977c3..645a61b6c4 100644 --- a/packages/workflow/workflow-workerthread/src/runtime.ts +++ b/packages/workflow/workflow-workerthread/src/runtime.ts @@ -109,7 +109,7 @@ export class WorkflowExecution { // wrapper, so under one Node version this throw is unreachable in // production — the session still maps it to an error result defensively. // lineOffset compensates for the wrapper line, so stack traces carry the - // script's own line numbers (the meta statement was blanked, not removed). + // script's own line numbers. try { this.compiled = new vm.Script(`(async () => {\n${body}\n})()`, { filename: `workflow:${meta.name}`, diff --git a/packages/workflow/workflow-workerthread/src/types.ts b/packages/workflow/workflow-workerthread/src/types.ts index 329523ffc8..a80b126a2d 100644 --- a/packages/workflow/workflow-workerthread/src/types.ts +++ b/packages/workflow/workflow-workerthread/src/types.ts @@ -30,9 +30,9 @@ export interface WorkerLimits { /** The `workerData` payload one run is initialized with (host → worker, once, at spawn). */ export interface WorkerInit { - /** The validated meta block (extracted host-side). */ + /** The validated meta block (plain data off the start request, validated host-side). */ meta: WorkflowMeta - /** The script body with the meta statement blanked (host-side `extractMeta`). */ + /** The plain-JS script body, exactly as the start request carried it. */ body: string /** The run's `args` value; the workerData structured clone is the copy that isolates the caller. */ args?: unknown diff --git a/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts b/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts index d541b4c0ff..545be831f6 100644 --- a/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts +++ b/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts @@ -34,7 +34,8 @@ const ctx = new Context() await ctx.plugin(SubagentService) await ctx.plugin(WorkerWorkflowEngine, {}) const run = ctx.workflows.start({ - script: "export const meta = { name: 'built-smoke', description: 'built worker smoke' }\\nreturn 6 * 7", + script: 'return 6 * 7', + meta: { name: 'built-smoke', description: 'built worker smoke' }, // A zero-agent script never touches the provider, so a bare id suffices. parent: { id: 'built-smoke-parent', options: {} }, }) diff --git a/packages/workflow/workflow-workerthread/tests/integration.spec.ts b/packages/workflow/workflow-workerthread/tests/integration.spec.ts index ae58a536f8..d6e8237804 100644 --- a/packages/workflow/workflow-workerthread/tests/integration.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/integration.spec.ts @@ -50,8 +50,8 @@ describe('dsh-workflow-workerthread over the real in-process stack', () => { const childIds: string[] = [] ctx.on('workflow/agent-start', (_info, agent) => { childIds.push(agent.childId) }) const run = ctx.workflows.start({ - script: `export const meta = { name: 'integration', description: 'plain + structured children' } -phase('Read') + meta: { name: 'integration', description: 'plain + structured children' }, + script: `phase('Read') const prose = await agent('read the repo') phase('Judge') const judged = await agent('judge: ' + prose, { @@ -78,8 +78,8 @@ return { prose, verdict: judged.verdict, confidence: judged.confidence }`, textResponse('still prose after the nudge'), ]) const run = ctx.workflows.start({ - script: `export const meta = { name: 'null-path', description: 'schema failure maps to null' } -const judged = await agent('judge it', { schema: { type: 'object', properties: { v: { type: 'string' } } } }) + meta: { name: 'null-path', description: 'schema failure maps to null' }, + script: `const judged = await agent('judge it', { schema: { type: 'object', properties: { v: { type: 'string' } } } }) return { got: judged === null ? 'null' : 'value' }`, parent, }) diff --git a/packages/workflow/workflow-workerthread/tests/meta.spec.ts b/packages/workflow/workflow-workerthread/tests/meta.spec.ts index a1c622e3fc..37b86440be 100644 --- a/packages/workflow/workflow-workerthread/tests/meta.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/meta.spec.ts @@ -1,182 +1,88 @@ import { describe, expect, it } from 'vitest' import { WorkflowError } from '@deepseek-ai/dsh-workflow' -import { extractMeta } from '../src/meta.ts' +import { validateMeta } from '../src/meta.ts' -const TIMEOUT = 1000 - -/** Extract and expect success. */ -function ok(script: string) { - return extractMeta(script, TIMEOUT) -} - -/** The WorkflowError a bad script produces (throws if it extracts cleanly). */ -function bad(script: string): WorkflowError { +/** Assert a META_INVALID throw whose message matches every given fragment. */ +function expectInvalid(value: unknown, ...fragments: string[]): void { + let thrown: unknown try { - extractMeta(script, TIMEOUT) + validateMeta(value) } catch (error: unknown) { - if (error instanceof WorkflowError) return error - throw error + thrown = error + } + expect(thrown).toBeInstanceOf(WorkflowError) + expect((thrown as WorkflowError).code).toBe('META_INVALID') + for (const fragment of fragments) { + expect((thrown as WorkflowError).message).toContain(fragment) } - throw new Error('expected extraction to fail') } -describe('extractMeta', () => { - it('extracts a full meta block and blanks the statement line-preservingly', () => { - const script = `export const meta = { - name: 'audit-routes', - description: 'Audit every route', - whenToUse: 'when auditing', - phases: [{ title: 'Scan', detail: 'find files' }, { title: 'Fix', model: 'deepseek-v4-pro' }], -} -const x = 1 -return x` - const { meta, body } = ok(script) - expect(meta).toEqual({ - name: 'audit-routes', - description: 'Audit every route', - whenToUse: 'when auditing', - phases: [{ title: 'Scan', detail: 'find files' }, { title: 'Fix', model: 'deepseek-v4-pro' }], +describe('validateMeta', () => { + it('accepts a minimal meta and returns a normalized copy (no aliasing of the input)', () => { + const input = { name: 'audit', description: 'audit the repo' } + const meta = validateMeta(input) + expect(meta).toEqual({ name: 'audit', description: 'audit the repo' }) + expect(meta).not.toBe(input) + input.name = 'mutated' + expect(meta.name).toBe('audit') + }) + + it('accepts the full shape and rebuilds phases entry by entry', () => { + const meta = validateMeta({ + name: 'migrate', + description: 'migrate call sites', + whenToUse: 'large mechanical sweeps', + phases: [ + { title: 'Discover' }, + { title: 'Transform', detail: 'one agent per file', model: 'deepseek-v4-pro' }, + ], + }) + expect(meta).toEqual({ + name: 'migrate', + description: 'migrate call sites', + whenToUse: 'large mechanical sweeps', + phases: [ + { title: 'Discover' }, + { title: 'Transform', detail: 'one agent per file', model: 'deepseek-v4-pro' }, + ], }) - // Same line count; the statement's characters blanked; the body intact. - expect(body.split('\n').length).toBe(script.split('\n').length) - expect(body.split('\n')[6]).toBe('const x = 1') - expect(body).not.toContain('export') }) - it('allows leading line and block comments before the meta statement', () => { - const script = `// a workflow -/* multi - line */ -export const meta = { name: 'x', description: 'y' } -return 1` - expect(ok(script).meta.name).toBe('x') + it('rejects non-object values loud', () => { + expectInvalid(undefined, 'meta must be an object') + expectInvalid('a string', 'meta must be an object') + expectInvalid(null, 'meta must be an object') + expectInvalid([{ name: 'x', description: 'd' }], 'meta must be an object') }) - it('handles braces inside strings and comments while scanning', () => { - const script = `export const meta = { - name: 'tricky', // } not a close { - /* } also not } */ - description: "has { braces } and 'quotes'", -} -return 2` - expect(ok(script).meta.description).toBe("has { braces } and 'quotes'") + it('rejects unknown fields by name (accepted-then-ignored is banned)', () => { + expectInvalid({ name: 'x', description: 'd', color: 'red' }, 'meta.color is not a recognized field') }) - it('tolerates template-quoted strings WITHOUT interpolation, escapes included', () => { - const script = 'export const meta = { name: `plain`, description: `esc \\` tick` }\nreturn 1' - expect(ok(script).meta.name).toBe('plain') + it('rejects missing or mistyped name/description/whenToUse', () => { + expectInvalid({ description: 'd' }, 'meta.name must be a non-empty string') + expectInvalid({ name: '', description: 'd' }, 'meta.name must be a non-empty string') + expectInvalid({ name: 'x' }, 'meta.description must be a non-empty string') + expectInvalid({ name: 'x', description: 42 }, 'meta.description must be a non-empty string') + expectInvalid({ name: 'x', description: 'd', whenToUse: 3 }, 'meta.whenToUse must be a string') }) - it('consumes a trailing semicolon after the literal, spaces included', () => { - const { body } = ok("export const meta = { name: 'x', description: 'y' };\nreturn 1") - expect(body).not.toContain(';') - expect(body.split('\n')[1]).toBe('return 1') - const spaced = ok("export const meta = { name: 'x', description: 'y' } ;\nreturn 1") - expect(spaced.body).not.toContain(';') + it('rejects malformed phases, entry by entry', () => { + expectInvalid({ name: 'x', description: 'd', phases: 'Scan' }, 'meta.phases must be an array') + expectInvalid({ name: 'x', description: 'd', phases: ['Scan'] }, 'meta.phases[0] must be an object') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: '' }] }, 'meta.phases[0].title must be a non-empty string') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: 'Scan', order: 1 }] }, 'meta.phases[0].order is not a recognized field') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: 'Scan', detail: 9 }] }, 'meta.phases[0].detail must be a string') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: 'Scan', model: 9 }] }, 'meta.phases[0].model must be a string') }) - it('rejects a script that does not begin with the meta statement (SCRIPT_PARSE)', () => { - expect(bad('const a = 1').code).toBe('SCRIPT_PARSE') - expect(bad('').code).toBe('SCRIPT_PARSE') - expect(bad('export const meta = [1]').code).toBe('SCRIPT_PARSE') - }) - - it('a near-miss prefix (comment header + whitespace, then no `export`) fails FAST as SCRIPT_PARSE', () => { - // Regression: the previous all-alternation prefix regex backtracked - // exponentially on exactly this shape (~×2 per extra whitespace char once - // the match fails), spinning the host synchronously inside start(). The - // linear trivia scan must reject it in effectively zero time. - const nearMiss = `// deep-audit workflow: reviews every route handler\n${' \n'.repeat(40)}/* second header block */\n${' '.repeat(200)}\nconst meta = { name: 'x', description: 'y' }\n` - const started = Date.now() - expect(bad(nearMiss).code).toBe('SCRIPT_PARSE') - expect(Date.now() - started).toBeLessThan(1000) - }) - - it('an unterminated block comment BEFORE the meta statement is SCRIPT_PARSE', () => { - const error = bad('/* never closed\nexport const meta = { name: "x", description: "y" }') - expect(error.code).toBe('SCRIPT_PARSE') - expect(error.message).toContain('unterminated comment') - }) - - it('a line comment running to EOF leaves no meta statement (SCRIPT_PARSE)', () => { - expect(bad('// only a comment, no newline').code).toBe('SCRIPT_PARSE') - }) - - it('rejects template interpolation in the meta block as impure (SCRIPT_PARSE)', () => { - const error = bad('export const meta = { name: `w-${1}`, description: "d" }\nreturn 1') - expect(error.code).toBe('SCRIPT_PARSE') - expect(error.message).toContain('pure literal') - }) - - it('rejects unbalanced literals, unterminated strings, and unterminated comments (SCRIPT_PARSE)', () => { - expect(bad('export const meta = { name: "x", description: "y"').code).toBe('SCRIPT_PARSE') - expect(bad('export const meta = { name: "x').code).toBe('SCRIPT_PARSE') - expect(bad('export const meta = { /* open').code).toBe('SCRIPT_PARSE') - // A line comment running to EOF (no newline) leaves the literal unbalanced. - expect(bad('export const meta = { name: "x" // eof comment').code).toBe('SCRIPT_PARSE') - }) - - it('rejects a literal referencing variables or calls (META_INVALID via the empty realm)', () => { - const error = bad('export const meta = { name: someVariable, description: "d" }\nreturn 1') - expect(error.code).toBe('META_INVALID') - expect(error.message).toContain('pure literal') - expect(bad('export const meta = { name: compute(), description: "d" }').code).toBe('META_INVALID') - }) - - it('rejects a literal evaluating to non-JSON data (META_INVALID via materialization)', () => { - const error = bad('export const meta = { name: "x", description: "d", whenToUse: () => 1 }') - expect(error.code).toBe('META_INVALID') - expect(error.message).toContain('JSON data') - }) - - it('a meta expression that THROWS maps to META_INVALID carrying the rendered value', () => { - const error = bad('export const meta = { name: (() => { throw "nope" })(), description: "d" }\nreturn 1') - expect(error.code).toBe('META_INVALID') - expect(error.message).toContain('pure literal') - expect(error.message).toContain('nope') - }) - - it('a spinning meta expression dies by the eval timeout', () => { - try { - extractMeta('export const meta = { name: (() => { while (true) {} })(), description: "d" }', 50) - throw new Error('expected the extraction to time out') - } catch (error: unknown) { - expect(error).toBeInstanceOf(WorkflowError) - expect((error as WorkflowError).code).toBe('META_INVALID') - expect((error as WorkflowError).message.toLowerCase()).toContain('timed out') - } - }) - - it('rejects shape violations with EVERY violation listed (META_INVALID)', () => { - const error = bad('export const meta = { description: 7, bogus: 1 }\nreturn 1') - expect(error.code).toBe('META_INVALID') - expect(error.message).toContain('meta.name must be a non-empty string') - expect(error.message).toContain('meta.description must be a non-empty string') - expect(error.message).toContain('meta.bogus is not a recognized field') - }) - - it('rejects malformed whenToUse and phases shapes precisely', () => { - expect(bad('export const meta = { name: "x", description: "d", whenToUse: 3 }').message) - .toContain('meta.whenToUse must be a string') - expect(bad('export const meta = { name: "x", description: "d", phases: "no" }').message) - .toContain('meta.phases must be an array') - expect(bad('export const meta = { name: "x", description: "d", phases: [3] }').message) - .toContain('meta.phases[0] must be an object') - expect(bad('export const meta = { name: "x", description: "d", phases: [{}] }').message) - .toContain('meta.phases[0].title must be a non-empty string') - expect(bad('export const meta = { name: "x", description: "d", phases: [{ title: "t", extra: 1 }] }').message) - .toContain('meta.phases[0].extra is not a recognized field') - expect(bad('export const meta = { name: "x", description: "d", phases: [{ title: "t", detail: 1 }] }').message) - .toContain('meta.phases[0].detail must be a string') - expect(bad('export const meta = { name: "x", description: "d", phases: [{ title: "t", model: 1 }] }').message) - .toContain('meta.phases[0].model must be a string') - }) - - it('stops scanning at the balanced literal — trailing expression text stays in the body', () => { - // The scanner extracts exactly `{ valueOf: null }`; the ` && 3` is body - // text (which would fail compilation later, but extraction sees only the - // literal and reports its unknown field). - expect(bad('export const meta = { valueOf: null } && 3').message) - .toContain('meta.valueOf is not a recognized field') + it('names EVERY violation in one throw, not just the first', () => { + expectInvalid( + { description: 7, extra: true, phases: [{ title: 'Scan' }, 'bad'] }, + 'meta.extra is not a recognized field', + 'meta.name must be a non-empty string', + 'meta.description must be a non-empty string', + 'meta.phases[1] must be an object', + ) }) }) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts index 76cfd73d33..6353868a02 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts @@ -42,12 +42,12 @@ async function harness(): Promise { return built } -const SCRIPT = `export const meta = { +const META = { name: 'e2e-worker-arithmetic', description: 'two real children through a worker thread: one prose, one structured', phases: [{ title: 'Ask' }, { title: 'Judge' }], } -phase('Ask') +const SCRIPT = `phase('Ask') log('asking the prose child') const prose = await agent('Reply with exactly one short sentence: what is 2 + 2?') phase('Judge') @@ -76,7 +76,7 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('worker workflow engine with-key }) } - const run = ctx.workflows.start({ script: SCRIPT, parent: parentHandle.agent }) + const run = ctx.workflows.start({ script: SCRIPT, meta: META, parent: parentHandle.agent }) const result = await run.result await run.dispose() diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index 20911d052e..378dd6ecf6 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -5,7 +5,7 @@ import { AgentId } from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import SubagentService from '@deepseek-ai/dsh-subagent' import type { SubagentCapabilities, SubagentProvider, SubagentResult, SubagentRun, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' -import type { WorkflowResult, WorkflowResultInfo, WorkflowRunInfo } from '@deepseek-ai/dsh-workflow' +import type { WorkflowMeta, WorkflowResult, WorkflowResultInfo, WorkflowRunInfo } from '@deepseek-ai/dsh-workflow' import * as workerEngineModule from '../src/index.ts' import WorkerWorkflowEngine, { type Config } from '../src/index.ts' @@ -104,14 +104,14 @@ async function setup(options?: SetupOptions) { return { ctx, provider, parent: fakeParent() } } -/** Wrap a body in the minimal valid meta header. */ -function script(body: string, metaExtra = ''): string { - return `export const meta = { name: 'test-flow', description: 'a test workflow'${metaExtra} }\n${body}` +/** The standard test meta plus a body, spread into a start request. */ +function scripted(body: string, metaExtra?: Partial): { script: string; meta: WorkflowMeta } { + return { script: body, meta: { name: 'test-flow', description: 'a test workflow', ...metaExtra } } } /** Start + await one run, disposing on the way out. */ -async function run(ctx: Context, parent: Agent, source: string, args?: unknown): Promise { - const handle = ctx.workflows.start({ script: source, parent, ...args !== undefined ? { args } : {} }) +async function run(ctx: Context, parent: Agent, source: { script: string; meta: WorkflowMeta }, args?: unknown): Promise { + const handle = ctx.workflows.start({ ...source, parent, ...args !== undefined ? { args } : {} }) try { return await handle.result } finally { @@ -127,13 +127,13 @@ describe('dsh-workflow-workerthread', () => { for (const name of ['workflow/start', 'workflow/phase', 'workflow/log', 'workflow/agent-start', 'workflow/agent-end', 'workflow/end'] as const) { ctx.on(name, (...payload: unknown[]) => { events.push([name, payload]) }) } - const result = await run(ctx, parent, script(` + const result = await run(ctx, parent, scripted(` phase('Scan') log('starting with ' + args.files.length + ' files') const answers = await pipeline(args.files, (prev, item) => agent('read ' + item)) phase('Report') return { answers, count: args.files.length } - `, ", phases: [{ title: 'Scan' }, { title: 'Report' }]"), { files: ['a.ts', 'b.ts'] }) + `, { phases: [{ title: 'Scan' }, { title: 'Report' }] }), { files: ['a.ts', 'b.ts'] }) expect(result.stopReason).toBe('completed') expect(result.agentsStarted).toBe(2) @@ -156,7 +156,7 @@ describe('dsh-workflow-workerthread', () => { const { ctx, parent, provider } = await setup({ reply: () => ({ output: [], structured: { files: ['x.ts', 'y.ts'] }, stopReason: 'completed' }), }) - const result = await run(ctx, parent, script(` + const result = await run(ctx, parent, scripted(` const found = await agent('list files', { model: 'deepseek-v4-pro', schema: { type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } }, required: ['files'] } }) return { first: found.files[0], count: found.files.length } `)) @@ -172,14 +172,14 @@ describe('dsh-workflow-workerthread', () => { it('a fatal hook error inside the worker kills the script and reports the error', async () => { const { ctx, parent } = await setup() - const result = await run(ctx, parent, script("return await parallel([() => agent('x', { isolation: 'worktree' })])")) + const result = await run(ctx, parent, scripted("return await parallel([() => agent('x', { isolation: 'worktree' })])")) expect(result.stopReason).toBe('error') expect(result.error).toContain('"isolation" is deferred') }) it('a provider start failure crosses back as a fatal AGENT_START error', async () => { const { ctx, parent } = await setup({ config: { provider: 'nonexistent' } }) - const result = await run(ctx, parent, script("return await pipeline([1], () => agent('p'))")) + const result = await run(ctx, parent, scripted("return await pipeline([1], () => agent('p'))")) expect(result.stopReason).toBe('error') expect(result.error).toContain('agent() could not start a child') }) @@ -200,7 +200,7 @@ describe('dsh-workflow-workerthread', () => { } ctx.subagents.registerProvider(provider) await ctx.plugin(WorkerWorkflowEngine, { provider: 'rejecting', maxConcurrentAgents: 2 }) - const result = await run(ctx, fakeParent(), script(` + const result = await run(ctx, fakeParent(), scripted(` try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, code: e.code, fatal: e.fatal, message: e.message } } `)) expect(result.value).toMatchObject({ name: 'WorkflowError', code: 'AGENT_RESULT', fatal: true }) @@ -223,7 +223,7 @@ describe('dsh-workflow-workerthread', () => { } ctx.subagents.registerProvider(provider) await ctx.plugin(WorkerWorkflowEngine, { provider: 'bad-dispose', maxConcurrentAgents: 2 }) - const result = await run(ctx, fakeParent(), script("return await agent('p')")) + const result = await run(ctx, fakeParent(), scripted("return await agent('p')")) expect(result.stopReason).toBe('completed') expect(result.value).toBe('fine') }) @@ -248,17 +248,22 @@ describe('dsh-workflow-workerthread', () => { } ctx.subagents.registerProvider(provider) await ctx.plugin(WorkerWorkflowEngine, { provider: 'coercion-trap-dispose', maxConcurrentAgents: 2 }) - const result = await run(ctx, fakeParent(), script("return await agent('p')")) + const result = await run(ctx, fakeParent(), scripted("return await agent('p')")) expect(result.stopReason).toBe('completed') expect(result.value).toBe('fine') }) }) describe('lifecycle: parse errors, cancellation, termination, disposal', () => { - it('start() throws synchronously for an unparseable script or invalid meta (host-side pre-parse)', async () => { + it('start() throws synchronously for invalid meta data or an unparseable body (host-side pre-checks)', async () => { const { ctx, parent } = await setup() - expect(() => ctx.workflows.start({ script: 'const x = 1', parent })).toThrow(/must begin with/) - expect(() => ctx.workflows.start({ script: script('return ((('), parent })).toThrow(/does not parse/) + // Meta is DATA — shape violations reject loud, every one named. + expect(() => ctx.workflows.start({ script: 'return 1', meta: { name: '', description: 'd' }, parent })).toThrow(/meta\.name must be a non-empty string/) + expect(() => ctx.workflows.start({ script: 'return 1', meta: { name: 'x', description: 'd', extra: 1 } as unknown as WorkflowMeta, parent })).toThrow(/META_INVALID|not a recognized field/) + expect(() => ctx.workflows.start({ ...scripted('return ((('), parent })).toThrow(/does not parse/) + // The likeliest authoring slip — a Claude Code-style meta header in the + // body — gets a pointed message, not a bare SyntaxError. + expect(() => ctx.workflows.start({ ...scripted("export const meta = { name: 'x', description: 'd' }\nreturn 1"), parent })).toThrow(/meta rides the `meta` request field/) }) it('cancel() aborts in-flight children (signal AND cancel RPC) and settles the run cancelled', async () => { @@ -267,7 +272,7 @@ describe('dsh-workflow-workerthread', () => { ctx.on('workflow/agent-end', (_info, agent) => { ends.push(agent) }) const runEnds: WorkflowResultInfo[] = [] ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) - const handle = ctx.workflows.start({ script: script("return await agent('long job')"), parent }) + const handle = ctx.workflows.start({ ...scripted("return await agent('long job')"), parent }) await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) handle.cancel('user stopped it') const result = await handle.result @@ -287,7 +292,7 @@ describe('dsh-workflow-workerthread', () => { controller.abort() const logs: string[] = [] ctx.on('workflow/log', (_info, message) => { logs.push(message) }) - const handle = ctx.workflows.start({ script: script("log('ran')\nreturn 123"), parent, signal: controller.signal }) + const handle = ctx.workflows.start({ ...scripted("log('ran')\nreturn 123"), parent, signal: controller.signal }) const result = await handle.result expect(result.stopReason).toBe('cancelled') expect(result.value).toBeNull() @@ -298,7 +303,7 @@ describe('dsh-workflow-workerthread', () => { it('cancel() right after start() cancels before the body runs; the signal aborting mid-run cancels like cancel()', async () => { const { ctx, parent, provider } = await setup({ manual: true }) - const first = ctx.workflows.start({ script: script("return await agent('never')"), parent }) + const first = ctx.workflows.start({ ...scripted("return await agent('never')"), parent }) // No-reason cancel: the canonical default reason must ride the result. first.cancel() const firstResult = await first.result @@ -308,7 +313,7 @@ describe('dsh-workflow-workerthread', () => { await first.dispose() const controller = new AbortController() - const second = ctx.workflows.start({ script: script("return await agent('job')"), parent, signal: controller.signal }) + const second = ctx.workflows.start({ ...scripted("return await agent('job')"), parent, signal: controller.signal }) await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) controller.abort() expect((await second.result).stopReason).toBe('cancelled') @@ -323,7 +328,7 @@ describe('dsh-workflow-workerthread', () => { // timing can hit reliably. (The closure runs only after `handle` below // is initialized — the listener fires on the worker's first message.) ctx.on('workflow/log', () => { handle.cancel('cancelled from the log listener') }) - const handle = ctx.workflows.start({ script: script("log('mark')\nreturn await agent('late')"), parent }) + const handle = ctx.workflows.start({ ...scripted("log('mark')\nreturn await agent('late')"), parent }) const result = await handle.result expect(result.stopReason).toBe('cancelled') expect(provider.runs.length).toBe(0) @@ -342,7 +347,7 @@ describe('dsh-workflow-workerthread', () => { // host cancellation. The trailing narration exercises host-side // suppression: posted pre-cancel-processing worker-side, arriving // post-cancel host-side. - script: script(` + ...scripted(` log('started') const end = Date.now() + 1000 while (Date.now() < end) {} @@ -366,7 +371,7 @@ describe('dsh-workflow-workerthread', () => { const runEnds: WorkflowResultInfo[] = [] ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) const handle = ctx.workflows.start({ - script: script("await new Promise(() => {})\nreturn 'unreachable'"), + ...scripted("await new Promise(() => {})\nreturn 'unreachable'"), parent, }) handle.cancel('user aborted') @@ -382,7 +387,7 @@ describe('dsh-workflow-workerthread', () => { it('dispose() on a stuck script returns within the grace instead of hanging (result settles cancelled)', async () => { const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 50 } }) const handle = ctx.workflows.start({ - script: script("await new Promise(() => {})\nreturn 'unreachable'"), + ...scripted("await new Promise(() => {})\nreturn 'unreachable'"), parent, }) const before = Date.now() @@ -394,7 +399,7 @@ describe('dsh-workflow-workerthread', () => { it('dispose() is idempotent and settles cleanly after a completed run', async () => { const { ctx, parent } = await setup() - const handle = ctx.workflows.start({ script: script('return 1'), parent }) + const handle = ctx.workflows.start({ ...scripted('return 1'), parent }) await handle.result await handle.dispose() await handle.dispose() @@ -405,7 +410,7 @@ describe('dsh-workflow-workerthread', () => { // apart from every other timeout in flight. const GRACE = 44_444 const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: GRACE } }) - const handle = ctx.workflows.start({ script: script('return 1'), parent }) + const handle = ctx.workflows.start({ ...scripted('return 1'), parent }) await handle.result const spy = vi.spyOn(globalThis, 'setTimeout') try { @@ -424,7 +429,7 @@ describe('dsh-workflow-workerthread', () => { it('strays: children fired without await are aborted once the script settles, and dispose() waits for their disposal', async () => { const { ctx, parent, provider } = await setup({ manual: true, disposeDelayMs: 40 }) const handle = ctx.workflows.start({ - script: script(` + ...scripted(` agent('stray') return 'done without awaiting' `), @@ -468,7 +473,7 @@ describe('dsh-workflow-workerthread', () => { ctx.subagents.registerProvider(provider) await ctx.plugin(WorkerWorkflowEngine, { provider: 'signal-only', maxConcurrentAgents: 2 }) const handle = ctx.workflows.start({ - script: script(` + ...scripted(` agent('stray, never awaited') return 'done' `), @@ -515,7 +520,7 @@ describe('dsh-workflow-workerthread', () => { // microtask yields let the agent() continuation POST its child-start // before the spin seizes the worker's loop (the posted message needs // no further worker-loop turns to reach the host). - script: script(` + ...scripted(` agent('wedged child') for (let i = 0; i < 20; i++) await null const end = Date.now() + 1500 @@ -560,7 +565,7 @@ describe('dsh-workflow-workerthread', () => { // The stray child's start RPC reaches the host, then the script kills // its own worker through the documented vm escape — the host must // settle `error` with the exit diagnostics and wind the child down. - script: script(` + ...scripted(` agent('doomed') const proc = ${ESCAPE} const st = globalThis.constructor.constructor('return setTimeout')() @@ -583,7 +588,7 @@ describe('dsh-workflow-workerthread', () => { it('an uncaught exception inside the worker surfaces as an error result and reaps the in-flight child', async () => { const { ctx, parent, provider } = await setup({ manual: true }) const handle = ctx.workflows.start({ - script: script(` + ...scripted(` agent('in flight when the worker dies') const proc = ${ESCAPE} const st = globalThis.constructor.constructor('return setTimeout')() @@ -613,7 +618,7 @@ describe('dsh-workflow-workerthread', () => { // The STRAY child settles instantly, so its wrapper starts the slow // host-side disposal concurrently while the script goes on to kill // its own worker — the ack then resolves into a dead thread. - script: script(` + ...scripted(` agent('stray, never awaited') const proc = ${ESCAPE} const st = globalThis.constructor.constructor('return setTimeout')() @@ -632,7 +637,7 @@ describe('dsh-workflow-workerthread', () => { it('a worker death AFTER a cancel reports cancelled, not error', async () => { const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 60_000 } }) const handle = ctx.workflows.start({ - script: script(` + ...scripted(` const proc = ${ESCAPE} const st = globalThis.constructor.constructor('return setTimeout')() log('armed') @@ -659,8 +664,8 @@ describe('dsh-workflow-workerthread', () => { const { ctx, parent } = await setup() let eventMeta: WorkflowRunInfo | undefined ctx.on('workflow/start', (info) => { eventMeta = info }) - const first = ctx.workflows.start({ script: script('return 1'), parent }) - const second = ctx.workflows.start({ script: script('return 2'), parent }) + const first = ctx.workflows.start({ ...scripted('return 1'), parent }) + const second = ctx.workflows.start({ ...scripted('return 2'), parent }) expect(first.id).not.toBe(second.id) eventMeta!.meta.name = 'corrupted' expect(second.meta.name).toBe('test-flow') @@ -676,7 +681,7 @@ describe('dsh-workflow-workerthread', () => { expect(ctx.get('workflows')).toBeDefined() // A zero-agent run through the DEFAULT config exercises the auto // concurrency resolution (cores - 2, capped) in start(). - const result = await run(ctx, fakeParent(), script('return 6 * 7')) + const result = await run(ctx, fakeParent(), scripted('return 6 * 7')) expect(result.value).toBe(42) await fiber.dispose() expect(ctx.get('workflows')).toBeUndefined() diff --git a/packages/workflow/workflow/README.md b/packages/workflow/workflow/README.md index 317aaf9f81..5ff8028b0d 100644 --- a/packages/workflow/workflow/README.md +++ b/packages/workflow/workflow/README.md @@ -11,7 +11,7 @@ The protected `emitWorkflowEvent` helper dispatches the `workflow/*` events with ## Vocabulary - `WorkflowStartRequest` — `{ script, args?, parent: Agent, signal? }`. `parent` is REQUIRED: every child the script spawns is attributed to it. `args` must be plain host-realm JSON data. -- `WorkflowMeta` / `WorkflowPhase` — the script's validated `export const meta` block (Claude Code format: required `name`/`description`, optional `whenToUse`/`phases`). +- `WorkflowMeta` / `WorkflowPhase` — the workflow's identity block, carried as plain JSON data on the start request (Claude Code meta vocabulary: required `name`/`description`, optional `whenToUse`/`phases`) and shape-validated by the engine. - `WorkflowRun` — `{ id, meta, result, cancel(reason?), dispose() }`; the consumer awaits `result` and MUST `dispose` on every path. - `WorkflowResult` — `{ value, stopReason: 'completed'|'cancelled'|'error', error?, agentsStarted }`; `value` is the script's materialized return (plain JSON data; `null` for no return). - `WorkflowError` — `HarnessError` with a `WorkflowErrorCode` and a `fatal` flag driving the combinator discipline: a fatal error (bad hook arguments, unsupported options/schemas, tripped caps, seam start failures, cancellation) always propagates through `parallel()`/`pipeline()` instead of dissolving into a per-item `null`. `isFatalWorkflowError(error)` is the catch-site predicate. diff --git a/packages/workflow/workflow/src/types.ts b/packages/workflow/workflow/src/types.ts index 8552e32454..66da4f1268 100644 --- a/packages/workflow/workflow/src/types.ts +++ b/packages/workflow/workflow/src/types.ts @@ -35,9 +35,11 @@ export interface WorkflowPhase { } /** - * The script's `export const meta` block, validated by the engine before the - * body runs. `name`/`description` are required; the rest is optional - * annotation. Matches the Claude Code dynamic-workflows script format. + * The script's identity block, provided as plain JSON data alongside the + * script body (the model-facing tool carries it as its `meta` parameter) and + * validated by the engine before the body runs. `name`/`description` are + * required; the rest is optional annotation. The field vocabulary matches the + * Claude Code dynamic-workflows meta block. */ export interface WorkflowMeta { /** Short kebab-case workflow name (display + persistence key). */ @@ -51,14 +53,18 @@ export interface WorkflowMeta { } /** - * What a caller asks for when starting a workflow run. `parent` is REQUIRED — - * every `agent()` the script spawns is attributed to it (cwd, lineage, depth - * flow through the subagent seam). `args` must be plain host-realm JSON data; - * the engine exposes it to the script as the `args` global. + * What a caller asks for when starting a workflow run. `meta` and `args` are + * plain JSON DATA by the seam contract (the tool builds both from the model's + * schema-validated call; the engine validates `meta`'s shape and rejects loud + * before anything runs) — an engine never evaluates script text to obtain + * them. `parent` is REQUIRED — every `agent()` the script spawns is + * attributed to it (cwd, lineage, depth flow through the subagent seam). */ export interface WorkflowStartRequest { - /** The full script text: `export const meta = {...}` + a plain-JS body. */ + /** The plain-JS script body (top-level await allowed; ends with `return `). */ script: string + /** The workflow's identity block, as plain JSON data (shape-validated by the engine). */ + meta: WorkflowMeta /** Optional input exposed verbatim to the script as the `args` global. */ args?: unknown /** The agent on whose behalf the run executes (parent of every child). */ From f91bfc1fcfadb370a38bc1a3463cd7ee23df5276 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 20:25:59 +0800 Subject: [PATCH 51/90] test: re-record the header pin and workflow-run for the meta-parameter schema MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The workflow tool's wire schema changed (required meta object parameter; body-only script). Request-header content is pinned by exactly ONE scenario (text-turn) and scrubbed to {{system}}/{{tools}} tokens everywhere else, so the schema change re-records exactly two fixtures: - text-turn — the pinned header itself (the one committed copy of the tool schemas; every other scenario's live header is asserted equal to this pin by the uniformity guard). - workflow-run — its recorded interaction used the removed call shape (meta embedded in the script), which the engine now rejects; the authored prompt is updated to dictate the new shape (meta as a parameter, body-only script) and the scenario re-recorded to a clean single call. Every other fixture stays byte-identical and replays green against the new pin. Known pre-existing exception: fs-policy-reject's recording carries a GNU-only sed -i fallback that fails BSD/macOS replay — kept out of this change deliberately (the snapshot CI lane is ubuntu). --- .../tests/snapshots/text-turn/session.jsonl | 69 ++-- .../snapshots/text-turn/stdout.golden.jsonl | 9 +- .../tests/snapshots/workflow-run/input.json | 2 +- .../snapshots/workflow-run/session.1.jsonl | 75 ++-- .../snapshots/workflow-run/session.jsonl | 359 ++++++++++-------- .../workflow-run/stdout.golden.jsonl | 100 +++-- 6 files changed, 366 insertions(+), 248 deletions(-) diff --git a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl index 39898c5003..8475c97896 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl @@ -1,33 +1,36 @@ -{"type":"session","version":0,"id":"423e2c78-075e-4286-8027-85b0e64da45d","createdAt":1783437535685,"cwd":"/tmp/acp-snap-cwd-XUOYdd"} -{"type":"turn/start","seq":0,"time":1783437535688,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783437535689,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783437535690,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783437535690,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /tmp/acp-snap-cwd-XUOYdd.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe script MUST begin with `export const meta = {...}` — a PURE object literal (no variables, calls, or template interpolation) with required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The body after it is plain JavaScript (NOT TypeScript) running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The complete workflow script: `export const meta = {...}` followed by the plain-JS body (top-level await allowed; end with `return `)."},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783437536390,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} 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Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783600629542,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783600629542,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/bn/vj1dvck95yd5jh3x4wskflxm0000gn/T/acp-snap-cwd-ka5r8w.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. 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Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. 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Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783600630819,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} 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+{"type":"assistant/chunk","seq":30,"time":1783600631009,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3091,"outputTokens":23,"cacheReadTokens":0,"reasoningTokens":20}}}} +{"type":"assistant/chunk","seq":31,"time":1783600631009,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":32,"time":1783600631011,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"The user wants me to reply with exactly the word \"PONG\" and not use any tools."},{"type":"text","text":"PONG"}],"usage":{"inputTokens":3091,"outputTokens":23,"cacheReadTokens":0,"reasoningTokens":20}},"sourceEventSeqs":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],"surfaceOp":"append"} +{"type":"step/end","seq":33,"time":1783600631011,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":34,"time":1783600631011,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl index bc3582f027..dda3afb9c5 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/stdout.golden.jsonl @@ -8,15 +8,18 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" exactly"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" word"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"P"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ONG"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":".\""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\""}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" and"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" no"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" not"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" use"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" any"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" tools"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"P"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"ONG"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"."}}}} {"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/acp-agent/tests/snapshots/workflow-run/input.json b/examples/acp-agent/tests/snapshots/workflow-run/input.json index 2c402dc49e..e5deb7edd0 100644 --- a/examples/acp-agent/tests/snapshots/workflow-run/input.json +++ b/examples/acp-agent/tests/snapshots/workflow-run/input.json @@ -2,6 +2,6 @@ "steps": [ { "op": "initialize" }, { "op": "newSession" }, - { "op": "prompt", "text": "Use the workflow tool exactly once, with args omitted and this EXACT script (copy it verbatim):\nexport const meta = { name: 'snapshot-flow', description: 'one child for the snapshot' }\nphase('Run')\nconst reply = await agent('Reply with exactly the word WF_CHILD_OK and nothing else.')\nreturn { reply }\nAfter the workflow returns, reply with the single word WORKFLOW_DONE and stop. Do not use any other tool." } + { "op": "prompt", "text": "Use the workflow tool exactly once, with args omitted, meta set to { \"name\": \"snapshot-flow\", \"description\": \"one child for the snapshot\" }, and this EXACT script body (copy it verbatim):\nphase('Run')\nconst reply = await agent('Reply with exactly the word WF_CHILD_OK and nothing else.')\nreturn { reply }\nAfter the workflow returns, reply with the single word WORKFLOW_DONE and stop. Do not use any other tool." } ] } diff --git a/examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl b/examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl index 34f6710ee1..a8c1d6018b 100644 --- a/examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/workflow-run/session.1.jsonl @@ -1,39 +1,36 @@ -{"type":"session","version":0,"id":"ba8789c0-cfec-4ec0-9f19-d30e086c3428","createdAt":1783352155100,"cwd":"/tmp/acp-snap-cwd-Z6uc79","parentSession":"322d3a3d-add3-4926-a507-9a6a70a2123a"} -{"type":"turn/start","seq":0,"time":1783352155101,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783352155101,"data":{"content":[{"type":"text","text":"Reply with exactly the word WF_CHILD_OK and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783352155102,"data":{"turn":1,"step":1}} 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"4"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" After"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" it"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" returns"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":","}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" single"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" word"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" WORK"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"WORK"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"FL"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"OW"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_D"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ONE"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" Let"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\"\n\n"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Let"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" me"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" do"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" this"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" exactly"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" as"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" instructed"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" that"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_Vp9f0l50KeeHRfcBezz08251","title":"workflow: snapshot-flow","kind":"other","status":"in_progress","rawInput":"export const meta = { name: 'snapshot-flow', description: 'one child for the snapshot' }\nphase('Run')\nconst reply = await agent('Reply with exactly the word WF_CHILD_OK and nothing else.')\nreturn { reply }"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_Vp9f0l50KeeHRfcBezz08251","status":"completed","content":[{"type":"content","content":{"type":"text","text":"workflow \"snapshot-flow\" completed (1 agent).\nReturn value:\n{\n \"reply\": \"WF_CHILD_OK\"\n}"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_dD2BLuNeJCTh2iiYC1QR3449","title":"workflow: snapshot-flow","kind":"other","status":"in_progress","rawInput":"\nphase('Run')\nconst reply = await agent('Reply with exactly the word WF_CHILD_OK and nothing else.')\nreturn { reply }\n"}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_dD2BLuNeJCTh2iiYC1QR3449","status":"completed","content":[{"type":"content","content":{"type":"text","text":"workflow \"snapshot-flow\" completed (1 agent).\nReturn value:\n{\n \"reply\": \"WF_CHILD_OK\"\n}"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" workflow"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" returned"}}}} @@ -53,16 +109,16 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" to"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" single"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" word"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" WORK"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" exactly"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"WORK"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"FL"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"OW"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_D"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ONE"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" as"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" instructed"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" and"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" stop"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"WORK"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"FL"}}}} From 6f86f6081b1818614a48a87765d394dada689781 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 21:14:30 +0800 Subject: [PATCH 52/90] workflow: dispose() host-drives child disposal inside the grace --- .../workflow/workflow-workerthread/README.md | 2 +- .../workflow-workerthread/src/host.ts | 90 ++++++++++++------- .../tests/workflow-workerthread.spec.ts | 62 ++++++++++++- 3 files changed, 119 insertions(+), 35 deletions(-) diff --git a/packages/workflow/workflow-workerthread/README.md b/packages/workflow/workflow-workerthread/README.md index 25c79ad09c..dc8859d351 100644 --- a/packages/workflow/workflow-workerthread/README.md +++ b/packages/workflow/workflow-workerthread/README.md @@ -32,7 +32,7 @@ Values LEAVING the script (hook options/schemas, the script's return) are materi Per-run limits: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` posts the cancel to the worker (its hooks start throwing `CANCELLED`; the script dies at its next await) and cancels every host-side child NOW on **both seam channels** — the shared request signal aborts AND each registered child's explicit `cancel()` is called host-side, because the seam leaves a provider free to honor either channel and a worker wedged in a synchronous spin could not relay its own per-child cancel RPCs (those later land as idempotent no-ops). The grace then arms: a run still unsettled `disposeGraceMs` later force-settles `cancelled` and the worker is **terminated**. A cancellation that lands before the body runs (the ready→go handshake) reports `cancelled` without executing anything; a worker `result` racing an in-flight host cancellation reports `cancelled` too (first-wins settlement — the seam-visible result had not settled when cancellation was requested); post-cancel `phase`/`log` narration is suppressed host-side, while cancelled children still deliver their paired `agent-end`. -A worker that dies unexpectedly (an OOM, a script reaching `process.exit` through the documented vm escape) settles the run `stopReason: 'error'` with the exit diagnostics — or `'cancelled'` when a cancel was in flight — and the host-side child registry is what winds every surviving child down. `dispose()` = cancel + bounded wait (result, then child-registry quiescence, capped by the grace) + unconditional `worker.terminate()`: the thread never outlives its run. Once a run settles, stray children a script fired without awaiting are cancelled too, and `dispose()` waits for their disposal (bounded by the grace) before returning. +A worker that dies unexpectedly (an OOM, a script reaching `process.exit` through the documented vm escape) settles the run `stopReason: 'error'` with the exit diagnostics — or `'cancelled'` when a cancel was in flight — and the host-side child registry is what winds every surviving child down. `dispose()` = cancel + immediate host-driven disposal of every registered child (a wedged worker can relay no dispose RPC, so child teardown overlaps the grace instead of starting after it; the worker's own dispose RPCs join the same per-child disposal) + bounded wait (result, then child-registry quiescence, capped by the grace) + unconditional `worker.terminate()`: the thread never outlives its run. Once a run settles, stray children a script fired without awaiting are cancelled too, and `dispose()` waits for their disposal (bounded by the grace) before returning. **Engine-specific limitations**: worker startup is paid per run; on a termination path `agentsStarted` reports the HOST-observed count (accepted `child-start`s — calls still queued worker-side for a concurrency slot are unknowable then); and a returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — with the value-boundary guard applying to the resolution. diff --git a/packages/workflow/workflow-workerthread/src/host.ts b/packages/workflow/workflow-workerthread/src/host.ts index 9d98d00933..c512c15dee 100644 --- a/packages/workflow/workflow-workerthread/src/host.ts +++ b/packages/workflow/workflow-workerthread/src/host.ts @@ -15,9 +15,14 @@ * terminated — the real kill an in-process engine could not perform). * * Children live in a host-side registry (callId → run): the worker drives - * their disposal by RPC on the graceful path, and the registry is what lets - * the host abort and dispose every survivor when the worker dies or is - * terminated mid-flight. On a termination path `agentsStarted` reports the + * their disposal by RPC on the graceful path, `dispose()` host-drives every + * registered child's disposal immediately (a wedged worker can relay no + * dispose RPC, and child teardown must overlap the grace, not start after + * it), and the registry is what lets the host abort and dispose every + * survivor when the worker dies or is terminated mid-flight. The three + * paths share ONE disposal per child (memoized by callId; the seam's + * dispose() is idempotent anyway, the memo keeps the bookkeeping and the + * containment warn single). On a termination path `agentsStarted` reports the * HOST-observed count (accepted `child-start` messages) — `agent()` calls * still queued worker-side for a concurrency slot are unknowable then; the * worker's own count rides the result message on every graceful path. @@ -85,6 +90,8 @@ export class WorkerRun implements WorkflowRun { private hostStarted = 0 /** Live children by callId; an entry leaves ONLY after its dispose settles (quiescence = empty). */ private readonly children = new Map() + /** In-flight child disposals by callId — the memo that gives every path (worker RPC, dispose(), reap) ONE shared disposal per child. */ + private readonly childDisposals = new Map>() private readonly quiescenceWaiters: (() => void)[] = [] /** The per-run abort fanout every child start request carries. */ private readonly controller = new AbortController() @@ -156,17 +163,24 @@ export class WorkerRun implements WorkflowRun { } /** - * Cancel + bounded settle + termination. Waits (at most the grace) for the - * result and child quiescence, then terminates the worker unconditionally - * — the thread never outlives its run — and reaps whatever children - * remain (their disposal is contained, not awaited past the grace, the - * same abandonment the seam documents for a slow-disposing child). - * Idempotent; safe on every path. + * Cancel + bounded settle + termination. Host-drives every registered + * child's disposal IMMEDIATELY — a wedged worker can relay no dispose RPC, + * and deferring child teardown to the post-terminate reap would spend the + * whole grace waiting for a quiescence that cannot start, then return with + * the disposals still in flight — so child disposal overlaps the same + * grace the worker gets to settle (the worker's own dispose RPCs join the + * shared per-child disposal). Waits (at most the grace) for the result and + * child quiescence, then terminates the worker unconditionally — the + * thread never outlives its run — and reaps whatever children remain + * (their disposal is contained, not awaited past the grace, the same + * abandonment the seam documents for a slow-disposing child). Idempotent; + * safe on every path. * @returns resolves when the run's resources are released or abandoned. */ dispose(): Promise { this.disposed ??= (async () => { this.cancel('workflow disposed') + for (const [callId, run] of [...this.children]) void this.disposeChild(callId, run) await Promise.race([ (async () => { await this.result @@ -278,31 +292,47 @@ export class WorkerRun implements WorkflowRun { private onChildDispose(callId: number): void { const run = this.children.get(callId) - /* v8 ignore next 5 -- dispose RPC for an already-reaped child: only a worker-death race can produce it, not orderable in-process */ if (run === undefined) { - // Already reaped — the ack is still owed (the worker-side wrapper awaits it). + // Already disposed host-side (a dispose() drive or a death reap beat + // the RPC) — the ack is still owed (the worker-side wrapper awaits it). this.post(HostToWorkerType.ChildDisposed, { callId }) return } - void run.dispose().then( - () => { - this.finishChild(callId) - this.post(HostToWorkerType.ChildDisposed, { callId }) - }, - (error: unknown) => { - // The subagent seam's dispose() is not supposed to reject; a backend - // that does anyway must not wedge the script's finally (which awaits - // the ack) — ack and move on. - this.ctx.logger.warn(`workflow-workerthread: child dispose failed: ${renderThrown(error)}`) - this.finishChild(callId) - this.post(HostToWorkerType.ChildDisposed, { callId }) - }, - ) + // disposeChild never rejects (containment is inside), so the ack always follows. + void this.disposeChild(callId, run).then(() => { this.post(HostToWorkerType.ChildDisposed, { callId }) }) } - /** Drop a child from the registry, releasing quiescence waiters at zero. */ + /** + * Start (or join) one registered child's disposal; the registry entry + * leaves when it settles. Memoized per callId: the worker's dispose RPC, + * the dispose() host drive, and the reap can all land on the same child — + * the child's `dispose()` runs once and every caller awaits that one + * settlement. A rejection is contained (the subagent seam's dispose() is + * not supposed to reject, but a backend that does anyway must not break + * quiescence): logged, and the child still leaves the registry. + * @param callId - the child's registry key. + * @param run - the registered child (the caller looked it up). + * @returns resolves when the disposal settled either way; never rejects. + */ + private disposeChild(callId: number, run: SubagentRun): Promise { + let disposal = this.childDisposals.get(callId) + if (disposal === undefined) { + disposal = run.dispose().then( + () => { this.finishChild(callId) }, + (error: unknown) => { + this.ctx.logger.warn(`workflow-workerthread: child dispose failed: ${renderThrown(error)}`) + this.finishChild(callId) + }, + ) + this.childDisposals.set(callId, disposal) + } + return disposal + } + + /** Drop a child from the registry (and its disposal memo), releasing quiescence waiters at zero. */ private finishChild(callId: number): void { this.children.delete(callId) + this.childDisposals.delete(callId) if (this.children.size === 0) { for (const waiter of this.quiescenceWaiters.splice(0)) waiter() } @@ -319,13 +349,7 @@ export class WorkerRun implements WorkflowRun { this.controller.abort(this.cancelReason ?? reason) for (const [callId, run] of [...this.children]) { run.cancel(this.cancelReason ?? reason) - void run.dispose().then( - () => { this.finishChild(callId) }, - (error: unknown) => { - this.ctx.logger.warn(`workflow-workerthread: child dispose failed during reap: ${renderThrown(error)}`) - this.finishChild(callId) - }, - ) + void this.disposeChild(callId, run) } } diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index 378dd6ecf6..c1c26dcf0f 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -23,6 +23,7 @@ interface ControlledRun { settle(result: SubagentResult): void cancelled: string | undefined disposed: boolean + disposeCalls: number } /** @@ -45,7 +46,7 @@ class StubProvider implements SubagentProvider { start(request: SubagentStartRequest): SubagentRun { let settle!: (result: SubagentResult) => void const result = new Promise((resolve) => { settle = resolve }) - const controlled: ControlledRun = { request, settle, cancelled: undefined, disposed: false } + const controlled: ControlledRun = { request, settle, cancelled: undefined, disposed: false, disposeCalls: 0 } this.runs.push(controlled) const index = this.runs.length - 1 request.signal?.addEventListener('abort', () => { settle({ output: [], stopReason: 'aborted' }) }, { once: true }) @@ -61,6 +62,7 @@ class StubProvider implements SubagentProvider { settle({ output: [], stopReason: 'aborted' }) }, dispose: () => { + controlled.disposeCalls += 1 if (this.disposeDelayMs === 0) { controlled.disposed = true return Promise.resolve() @@ -537,6 +539,64 @@ describe('dsh-workflow-workerthread', () => { expect(result.stopReason).toBe('cancelled') await handle.dispose() }, 15_000) + + it('dispose() on a wedged worker host-drives child disposal inside the grace: it returns with the children DISPOSED, not with their teardown still in flight', async () => { + const { ctx, parent, provider } = await setup({ + manual: true, + disposeDelayMs: 40, + config: { provider: 'stub', maxConcurrentAgents: 8, disposeGraceMs: 400 }, + }) + const handle = ctx.workflows.start({ + // Same shape as the wedged-cancel test above: the child's start RPC + // reaches the host, then the script seizes its worker's loop, so the + // worker can relay NO dispose RPC — the host's own dispose() drive is + // the only thing that can start (and finish) this child's disposal + // before the grace runs out. + ...scripted(` + agent('wedged child') + for (let i = 0; i < 20; i++) await null + const end = Date.now() + 1500 + while (Date.now() < end) {} + return 'raced' + `), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + const before = Date.now() + await handle.dispose() + // Bounded by the grace (plus the terminate), never by the 1.5s spin. + expect(Date.now() - before).toBeLessThan(1200) + // Not a waitFor: dispose() resolving IS the quiescence claim — the slow + // child disposal must be complete, not merely started (before the + // host-driven drive, disposal only STARTED at the post-terminate reap, + // so dispose() returned with it still in flight). + expect(provider.runs[0]!.disposed).toBe(true) + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + }, 15_000) + + it('a live child disposed by the dispose() drive is disposed ONCE, and the worker\'s late dispose RPC still gets its ack (the script settles, not the grace)', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + ...scripted(` + await agent('long child') + return 'unreachable' + `), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + const handleDispose = handle.dispose() + const result = await handle.result + // The script itself settled (the wrapper's own dispose RPC found the + // child already reaped host-side and was acked) — a missing ack would + // wedge the wrapper's finally until the 5s default grace force-settle. + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('workflow disposed') + await handleDispose + expect(provider.runs[0]!.disposed).toBe(true) + // The memo: the host drive and the worker's RPC share one disposal. + expect(provider.runs[0]!.disposeCalls).toBe(1) + }) }) describe('worker death', () => { From 27f9c45e6a43dc13c52674e23b95e1bcbcddb6a8 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 21:38:49 +0800 Subject: [PATCH 53/90] docs: update budget --- scripts/doc-budgets.manifest.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/doc-budgets.manifest.json b/scripts/doc-budgets.manifest.json index 337fc57763..dd7f2c3e74 100644 --- a/scripts/doc-budgets.manifest.json +++ b/scripts/doc-budgets.manifest.json @@ -1,5 +1,5 @@ { - "AGENTS.md": 1691, + "AGENTS.md": 1693, "docs/AGENTS.md": 1315, "docs/architecture.md": 1640, "docs/cordis-primer.md": 550, @@ -7,5 +7,5 @@ "docs/testing.md": 800, "examples/AGENTS.md": 610, "packages/AGENTS.md": 450, - "packages/README.md": 610 + "packages/README.md": 632 } From 64d0703c408016999948fd3bafabf207e652ed01 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 23:05:43 +0800 Subject: [PATCH 54/90] workflow: host-guarantee the agent-start/agent-end pairing on every stop path agent-end was worker-authored only, so a start already forwarded to observers lost its paired end whenever the worker could no longer speak - the grace force-settle terminating a wedged script, or an unexpected worker death - stranding progress consumers with agents that never finish (ds-review-bot finding on #233). The host now keeps a ledger of forwarded starts and funnels every agent-end through one gate: worker-reported ends pair (and clear) their entry, and both termination paths drain the remainder as synthesized 'cancelled' ends BEFORE the run settles, so ends always precede workflow/end. A real settlement racing the force-settle loses to the synthesized cancellation - the same first-wins override onResult applies to the run's own result. --- docs/cordis-catalog/events.md | 6 +- docs/cordis-catalog/services.md | 2 +- .../workflow/workflow-workerthread/README.md | 2 +- .../workflow-workerthread/src/host.ts | 54 ++++++++- .../tests/workflow-workerthread.spec.ts | 106 ++++++++++++++++++ packages/workflow/workflow/src/index.ts | 5 +- 6 files changed, 164 insertions(+), 11 deletions(-) diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 02e12359ac..28dc1f17f5 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -365,13 +365,13 @@ Source: [`packages/core/tools/src/index.ts:77`](../../packages/core/tools/src/in ### `workflow/agent-end` — emit -One `agent()` call settled (clean result, child failure, or run cancellation). Paired with Events['workflow/agent-start']. +One `agent()` call settled (clean result, child failure, or run cancellation). Paired with Events['workflow/agent-start'] by `agent.seq`, exactly once per started call on every stop path — on an engine termination path (a worker killed past its grace) the end is engine-synthesized with outcome `'cancelled'`. ```ts cordis-catalog 'workflow/agent-end'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void ``` -Source: [`packages/workflow/workflow/src/index.ts:93`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:96`](../../packages/workflow/workflow/src/index.ts) ### `workflow/agent-start` — emit @@ -391,7 +391,7 @@ A workflow run settled (any stop reason). Fired when WorkflowRun.result resolves 'workflow/end'(info: WorkflowRunInfo, result: WorkflowResultInfo): void ``` -Source: [`packages/workflow/workflow/src/index.ts:103`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:106`](../../packages/workflow/workflow/src/index.ts) ### `workflow/log` — emit diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 493381d1c9..0622e56a60 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -276,7 +276,7 @@ Semantics every implementation must honor: abstract start(request: WorkflowStartRequest): WorkflowRun ``` -Source: [`packages/workflow/workflow/src/index.ts:207`](../../packages/workflow/workflow/src/index.ts) +Source: [`packages/workflow/workflow/src/index.ts:210`](../../packages/workflow/workflow/src/index.ts) ## Inherited `ctx` members (cordis core + loader/hmr/timer) diff --git a/packages/workflow/workflow-workerthread/README.md b/packages/workflow/workflow-workerthread/README.md index dc8859d351..2d98273ae0 100644 --- a/packages/workflow/workflow-workerthread/README.md +++ b/packages/workflow/workflow-workerthread/README.md @@ -32,7 +32,7 @@ Values LEAVING the script (hook options/schemas, the script's return) are materi Per-run limits: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` posts the cancel to the worker (its hooks start throwing `CANCELLED`; the script dies at its next await) and cancels every host-side child NOW on **both seam channels** — the shared request signal aborts AND each registered child's explicit `cancel()` is called host-side, because the seam leaves a provider free to honor either channel and a worker wedged in a synchronous spin could not relay its own per-child cancel RPCs (those later land as idempotent no-ops). The grace then arms: a run still unsettled `disposeGraceMs` later force-settles `cancelled` and the worker is **terminated**. A cancellation that lands before the body runs (the ready→go handshake) reports `cancelled` without executing anything; a worker `result` racing an in-flight host cancellation reports `cancelled` too (first-wins settlement — the seam-visible result had not settled when cancellation was requested); post-cancel `phase`/`log` narration is suppressed host-side, while cancelled children still deliver their paired `agent-end`. -A worker that dies unexpectedly (an OOM, a script reaching `process.exit` through the documented vm escape) settles the run `stopReason: 'error'` with the exit diagnostics — or `'cancelled'` when a cancel was in flight — and the host-side child registry is what winds every surviving child down. `dispose()` = cancel + immediate host-driven disposal of every registered child (a wedged worker can relay no dispose RPC, so child teardown overlaps the grace instead of starting after it; the worker's own dispose RPCs join the same per-child disposal) + bounded wait (result, then child-registry quiescence, capped by the grace) + unconditional `worker.terminate()`: the thread never outlives its run. Once a run settles, stray children a script fired without awaiting are cancelled too, and `dispose()` waits for their disposal (bounded by the grace) before returning. +A worker that dies unexpectedly (an OOM, a script reaching `process.exit` through the documented vm escape) settles the run `stopReason: 'error'` with the exit diagnostics — or `'cancelled'` when a cancel was in flight — and the host-side child registry is what winds every surviving child down. `dispose()` = cancel + immediate host-driven disposal of every registered child (a wedged worker can relay no dispose RPC, so child teardown overlaps the grace instead of starting after it; the worker's own dispose RPCs join the same per-child disposal) + bounded wait (result, then child-registry quiescence, capped by the grace) + unconditional `worker.terminate()`: the thread never outlives its run. Once a run settles, stray children a script fired without awaiting are cancelled too, and `dispose()` waits for their disposal (bounded by the grace) before returning. `agent-start`/`agent-end` pairing is host-guaranteed the same way: forwarded starts live in a ledger, worker-reported ends pair them on the graceful paths, and the termination paths (grace force-settle, worker death) synthesize the missing ends (outcome `cancelled`) before the run settles — a start still in flight across the force-settle can surface after `workflow/end`, immediately paired the same way. **Engine-specific limitations**: worker startup is paid per run; on a termination path `agentsStarted` reports the HOST-observed count (accepted `child-start`s — calls still queued worker-side for a concurrency slot are unknowable then); and a returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — with the value-boundary guard applying to the resolution. diff --git a/packages/workflow/workflow-workerthread/src/host.ts b/packages/workflow/workflow-workerthread/src/host.ts index c512c15dee..28db34f097 100644 --- a/packages/workflow/workflow-workerthread/src/host.ts +++ b/packages/workflow/workflow-workerthread/src/host.ts @@ -22,7 +22,11 @@ * survivor when the worker dies or is terminated mid-flight. The three * paths share ONE disposal per child (memoized by callId; the seam's * dispose() is idempotent anyway, the memo keeps the bookkeeping and the - * containment warn single). On a termination path `agentsStarted` reports the + * containment warn single). Lifecycle pairing is host-guaranteed the same + * way: every forwarded `agent-start` lives in a ledger, and a start the + * dead or terminated worker never paired is closed by a synthesized + * `agent-end` (outcome `'cancelled'`) before the run settles. On a + * termination path `agentsStarted` reports the * HOST-observed count (accepted `child-start` messages) — `agent()` calls * still queued worker-side for a concurrency slot are unknowable then; the * worker's own count rides the result message on every graceful path. @@ -37,7 +41,7 @@ import type { Context } from 'cordis' import type { Agent } from '@deepseek-ai/dsh-agent' import { assertNever } from '@deepseek-ai/dsh-llm' import type { SubagentRun } from '@deepseek-ai/dsh-subagent' -import type { WorkflowMeta, WorkflowResult, WorkflowRun, WorkflowRunId } from '@deepseek-ai/dsh-workflow' +import type { WorkflowAgentEndInfo, WorkflowAgentInfo, WorkflowMeta, WorkflowResult, WorkflowRun, WorkflowRunId } from '@deepseek-ai/dsh-workflow' import { renderThrown } from './realm.ts' import type { ExecutionObserver } from './runtime.ts' import { HostToWorkerType, WorkerToHostType } from './protocol.ts' @@ -92,6 +96,8 @@ export class WorkerRun implements WorkflowRun { private readonly children = new Map() /** In-flight child disposals by callId — the memo that gives every path (worker RPC, dispose(), reap) ONE shared disposal per child. */ private readonly childDisposals = new Map>() + /** Started-but-not-ended agents by seq — the pairing ledger the HOST guarantees (see {@link endAgent}). */ + private readonly liveAgents = new Map() private readonly quiescenceWaiters: (() => void)[] = [] /** The per-run abort fanout every child start request carries. */ private readonly controller = new AbortController() @@ -155,6 +161,10 @@ export class WorkerRun implements WorkflowRun { // ChildCancel relay (those later RPCs land as idempotent no-ops). for (const run of this.children.values()) run.cancel(this.cancelReason) this.graceTimer = setTimeout(() => { + // The worker may no longer speak (it is about to be terminated): pair + // every stranded start before the run settles, so ends precede + // workflow/end. + this.endStrandedAgents() this.settleResult(this.cancelledResult(this.hostStarted)) void this.worker.terminate() }, this.disposeGraceMs) @@ -225,13 +235,15 @@ export class WorkerRun implements WorkflowRun { if (this.cancelReason === undefined) this.observer.log(message.message) break case WorkerToHostType.AgentStart: + this.liveAgents.set(message.info.seq, message.info) this.observer.agentStart(message.info) break case WorkerToHostType.AgentEnd: // NOT suppressed on cancel: cancelled children report their paired - // agent-end with outcome 'cancelled' (the one-pair-per-started-child - // contract holds on every stop path). - this.observer.agentEnd(message.info) + // agent-end with outcome 'cancelled'. The gate (with the termination + // paths' synthesis) is what makes the one-pair-per-started-child + // contract hold on every stop path. + this.endAgent(message.info) break case WorkerToHostType.ChildStart: this.onChildStart(message.callId, message.request) @@ -373,6 +385,10 @@ export class WorkerRun implements WorkflowRun { private onWorkerDeath(message: string): void { // Whatever the worker left behind must not leak — abort + dispose it all. if (this.children.size > 0) this.reapChildren('workflow worker gone') + // The thread is gone: no more worker-authored agent-ends can arrive — + // pair every stranded start (a start that crossed between the grace + // force-settle and this exit included) before the run settles. + this.endStrandedAgents() // settleResult no-ops on an already-settled run (the expected exit after // a dispose's terminate lands here too). if (this.cancelReason !== undefined) { @@ -382,6 +398,34 @@ export class WorkerRun implements WorkflowRun { this.settleResult({ value: null, stopReason: 'error', error: message, agentsStarted: this.hostStarted }) } + /** + * The single agent-end emission gate: forwards `end` iff its start is still + * unpaired in the ledger, so every forwarded `workflow/agent-start` gets + * EXACTLY one `workflow/agent-end` — the worker's own report where it can + * speak, a host-synthesized one where it cannot ({@link endStrandedAgents}). + * @param end - the settlement to emit (worker-reported or synthesized). + */ + private endAgent(end: WorkflowAgentEndInfo): void { + /* v8 ignore next -- a real end still in flight across the grace force-settle: not orderable in-process */ + if (!this.liveAgents.delete(end.seq)) return + this.observer.agentEnd(end) + } + + /** + * Synthesize the missing `agent-end` for every started-but-unpaired agent, + * outcome `'cancelled'`: the reap cancels every child, and a real + * settlement racing the force-settle loses to the cancellation — the same + * first-wins override {@link onResult} applies to the run's own result. + * Called where the worker can no longer speak (the grace force-settle, + * worker death), BEFORE settleResult, so the paired ends reach observers + * before `workflow/end`. + */ + private endStrandedAgents(): void { + for (const info of [...this.liveAgents.values()]) { + this.endAgent({ ...info, outcome: 'cancelled' }) + } + } + private cancelledResult(agentsStarted: number): WorkflowResult { // cancel() is the only writer of cancelReason and every caller checks it // first; the fallback guards the type, not a reachable path. diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index c1c26dcf0f..eb50ec1121 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -597,6 +597,73 @@ describe('dsh-workflow-workerthread', () => { // The memo: the host drive and the worker's RPC share one disposal. expect(provider.runs[0]!.disposeCalls).toBe(1) }) + + it('the grace force-settle pairs every stranded start: a host-synthesized cancelled agent-end lands before workflow/end', async () => { + const { ctx, parent, provider } = await setup({ manual: true, config: { provider: 'stub', maxConcurrentAgents: 8, disposeGraceMs: 300 } }) + const ends: { seq: number; outcome: string }[] = [] + const order: string[] = [] + ctx.on('workflow/agent-start', (_info, agent) => { order.push(`start:${agent.seq}`) }) + ctx.on('workflow/agent-end', (_info, agent) => { + ends.push({ seq: agent.seq, outcome: agent.outcome }) + order.push(`end:${agent.seq}`) + }) + ctx.on('workflow/end', () => { order.push('run-end') }) + const handle = ctx.workflows.start({ + // 'slow' starts and its agent-start crosses to observers (the awaited + // 'fast' call keeps the worker loop turning), then the script seizes + // the loop: the wedged worker can never author slow's agent-end — + // only the host's ledger can close the pair. + ...scripted(` + const p = agent('slow') + await agent('fast') + const end = Date.now() + 1500 + while (Date.now() < end) {} + return 'raced' + `), + parent, + }) + await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! + fast.settle(text('fast done')) + handle.cancel('stop now') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + // fast's end is the worker's own report; slow's is host-synthesized at + // the force-settle — exactly one end per started seq, no third event. + expect(ends).toEqual([ + { seq: 2, outcome: 'completed' }, + { seq: 1, outcome: 'cancelled' }, + ]) + // Both ends reached observers BEFORE workflow/end: a progress consumer + // can finalize its state at run-end without dangling agents. + expect(order.indexOf('run-end')).toBe(order.length - 1) + await handle.dispose() + }, 15_000) + + it('graceful cancellation keeps pairing worker-authored: exactly one agent-end per start, nothing synthesized on top', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const ends: { seq: number; outcome: string }[] = [] + const order: string[] = [] + ctx.on('workflow/agent-end', (_info, agent) => { + ends.push({ seq: agent.seq, outcome: agent.outcome }) + order.push(`end:${agent.seq}`) + }) + ctx.on('workflow/end', () => { order.push('run-end') }) + const handle = ctx.workflows.start({ + ...scripted("await parallel([() => agent('a'), () => agent('b')])\nreturn 'unreachable'"), + parent, + }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) + handle.cancel('user stop') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + // The live worker reported both pairs itself; the ledger must not add + // a synthesized duplicate on any path that settles inside the grace. + expect(ends.map(end => end.outcome)).toEqual(['cancelled', 'cancelled']) + expect(new Set(ends.map(end => end.seq)).size).toBe(2) + expect(order.indexOf('run-end')).toBe(order.length - 1) + await handle.dispose() + }) }) describe('worker death', () => { @@ -669,6 +736,45 @@ describe('dsh-workflow-workerthread', () => { await handle.dispose() }, 15_000) + it('a worker death pairs every stranded start: the synthesized cancelled agent-end precedes the error workflow/end', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const ends: { seq: number; outcome: string }[] = [] + const order: string[] = [] + ctx.on('workflow/agent-start', (_info, agent) => { order.push(`start:${agent.seq}`) }) + ctx.on('workflow/agent-end', (_info, agent) => { + ends.push({ seq: agent.seq, outcome: agent.outcome }) + order.push(`end:${agent.seq}`) + }) + ctx.on('workflow/end', () => { order.push('run-end') }) + const handle = ctx.workflows.start({ + // Same choreography as the force-settle pairing test, but the worker + // DIES (the documented vm escape) instead of being terminated: the + // exit path must close slow's pair from the ledger too. The escaped + // setTimeout lets the already-posted messages flush before the kill. + ...scripted(` + const p = agent('slow') + await agent('fast') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 150)) + proc.exit(7) + `), + parent, + }) + await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! + fast.settle(text('fast done')) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('exit code 7') + expect(ends).toEqual([ + { seq: 2, outcome: 'completed' }, + { seq: 1, outcome: 'cancelled' }, + ]) + expect(order.indexOf('run-end')).toBe(order.length - 1) + await handle.dispose() + }, 15_000) + it('a dispose ack racing the worker death is dropped, not crashed (post after exit)', async () => { // Slow child disposal: the ack resolves only AFTER the worker died, so // it has nowhere to go and must be dropped silently (the workerGone diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts index 6c2b797362..91caa314dc 100644 --- a/packages/workflow/workflow/src/index.ts +++ b/packages/workflow/workflow/src/index.ts @@ -85,7 +85,10 @@ declare module 'cordis' { 'workflow/agent-start'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void /** * One `agent()` call settled (clean result, child failure, or run - * cancellation). Paired with {@link Events['workflow/agent-start']}. + * cancellation). Paired with {@link Events['workflow/agent-start']} by + * `agent.seq`, exactly once per started call on every stop path — on an + * engine termination path (a worker killed past its grace) the end is + * engine-synthesized with outcome `'cancelled'`. * @param info - the run's identity snapshot. * @param agent - the call identity plus its outcome. * @mode emit From 7d3b16c1845ee10386df8577156ed841b94ccd8b Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 23:10:28 +0800 Subject: [PATCH 55/90] docs: update budget / catalog --- docs/event-producer-consumer.md | 4 ++-- scripts/doc-budgets.manifest.json | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index b266089b38..a677e2a24a 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -36,9 +36,9 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:97`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`timeout-policy`](../packages/timeout/timeout-policy) | | `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:113`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | | `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:77`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:93`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:96`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:85`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | -| `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:103`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:106`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/log` | `emit` | [`packages/workflow/workflow/src/index.ts:77`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/phase` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/start` | `emit` | [`packages/workflow/workflow/src/index.ts:62`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | diff --git a/scripts/doc-budgets.manifest.json b/scripts/doc-budgets.manifest.json index 49535f0efb..a5261698a2 100644 --- a/scripts/doc-budgets.manifest.json +++ b/scripts/doc-budgets.manifest.json @@ -1,7 +1,7 @@ { "AGENTS.md": 1802, "docs/AGENTS.md": 1315, - "docs/architecture.md": 1640, + "docs/architecture.md": 1642, "docs/cordis-primer.md": 550, "docs/defensive-patterns.md": 550, "docs/testing.md": 800, From bf1ab14b789e7efeeb1057eba042f1202b084de5 Mon Sep 17 00:00:00 2001 From: Turtle Date: Thu, 9 Jul 2026 23:48:29 +0800 Subject: [PATCH 56/90] a human touch get some headroom --- docs/AGENTS.md | 7 ++++--- docs/architecture.md | 47 +++++++++++++++++++++++++------------------ docs/cordis-primer.md | 30 +++++++++++++-------------- 3 files changed, 46 insertions(+), 38 deletions(-) diff --git a/docs/AGENTS.md b/docs/AGENTS.md index 771e30dcc6..118c535874 100644 --- a/docs/AGENTS.md +++ b/docs/AGENTS.md @@ -1,6 +1,6 @@ # AGENTS.md — The documentation standard -This file is the contract for every Markdown surface in the repo: each tier's job, the writing rules, and the word budgets the `verify-doc-budgets` gate enforces. The audit/apply workflow is the [dsh-doc-standards](../.agents/skills/dsh-doc-standards/SKILL.md) skill; the decision record is [the doc-tiers-and-budgets RFC](rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md). +This file is the contract for every Markdown files in the repo: each tier's job, the writing rules, and the word budgets that `verify-doc-budgets` enforces. The audit/apply workflow is the [dsh-doc-standards](../.agents/skills/dsh-doc-standards/SKILL.md) skill; the decision record is [the doc-tiers-and-budgets RFC](rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md). ## The tier taxonomy: one home per fact @@ -31,10 +31,11 @@ Placement test: a story about a bug → postmortem. Why we chose X → RFC. How - **Every new event's JSDoc carries an `@mode` tag** (emit | waterfall | parallel | serial); the catalog generator hard-errors without it. Write the JSDoc to stand alone — it becomes the catalog entry ([catalog RFC](rfc/implemented/process/2026-06-20-generated-cordis-catalog.md)). - **The [core-data-structures catalog](core-data-structures/core.md) updates in the same change** that reshapes a documented type. `verify-type-equiv` catches drifted pastes, not never-documented new types ([what counts as core](core-data-structures/core.md#what-counts-as-core)). - **Bilingual pairs update together**: editing either side obligates the counterpart and a re-record in the same change ([i18n contract](i18n/README.md)). +- Your audience is professional programmers. Prefer concise and straight-forward English over metaphor. Do not overuse words like "gate", "vocabulary", "surface", "seams". -## Budgets and the ceiling gate +## Wordcount Budgets -Standing docs accrete: every PR has a lesson it wants to append, and without displacement pressure nothing ever leaves. The gate is that pressure. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) lists the accretion-prone standing docs with a word ceiling each; `pnpm run verify-doc-budgets` (part of `doc-sync`, so CI and pre-push run it) fails when a doc exceeds its ceiling, and fails when a budgeted file is missing so a rename cannot orphan its budget. +Every PR has a lesson it wants to append, and without pressure nothing ever leaves. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) is the pressure, which lists the word count of each standing docs; `pnpm run verify-doc-budgets` (part of `doc-sync`, so CI and pre-push run it) fails when a doc exceeds its ceiling, and fails when a budgeted file is missing so a rename cannot orphan its budget. - Ceilings are an enforcement frontier with working headroom: a ceiling sits at least 5% above the doc's current size — routine edits pass, real growth trips the gate — and ratchets down, keeping the margin, as the doc reaches target. Target budgets: root `AGENTS.md` ≤ 1,500 words; `architecture.md` ≤ 1,800; each subtree `AGENTS.md` ≤ 600, except this file (which carries the standard) ≤ 1,250; `packages/README.md` ≤ 600. - When the gate goes red, first ask whether the added words belong in this tier and whether the existing wording can be condensed. If the words do not belong, relocate per the taxonomy above; if they belong but can be shorter, condense. If they truly need the space, raise the ceiling and justify the manifest diff in the PR. A ceiling set too low is a budget bug, and correcting it is the fix. diff --git a/docs/architecture.md b/docs/architecture.md index 69e43a423f..c0e7bdac08 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -1,23 +1,23 @@ # DeepSeek Harness Architecture -The **DeepSeek Harness SDK** is an SDK for building agent harnesses on the Cordis framework. The governing principle is simple: **everything is a plugin**. The shipped agent loop is one plugin in the default bundle, not a privileged kernel. +The project is an SDK for building agent harnesses. The idea is to have **everything as a plugin**. For example, the agent loop is just one plugin shipped by default. -Read this page as the system map before changing `packages/`. It explains how the runtime is shaped, how the default loop moves work, where state lives, and where extensions attach. Type shapes live in [core-data-structures/](core-data-structures/core.md); exact event and service signatures live in the generated [events](cordis-catalog/events.md) and [services](cordis-catalog/services.md) catalogs; package contracts live in the [package map](../packages/README.md); rationale lives in the [RFCs](rfc/README.md). New to Cordis? Start with the [Cordis primer](cordis-primer.md). +## Overview -## System Shape +The project is based on [Cordis](cordis-primer.md). -A running harness is one Cordis context. Packages contribute service keys, typed events, and disposable registrations to that context. Services are the stable call surfaces (`ctx.llm`, `ctx.tools`, `ctx.sessions`); events are interception and notification points (`agent/request`, `tools/pre-execute`, `session/event`); registrations install prompt sections, tool schemas, providers, adapters, and listeners. +A running harness is one Cordis context. Packages contribute service keys, typed events, and disposable registrations to that context. Services provides stable call signatures (`ctx.llm`, `ctx.tools`, `ctx.sessions`); events are interception and notification points (`agent/request`, `tools/pre-execute`, `session/event`); registrations install prompt sections, tool schemas, providers, adapters, and listeners. -The default distribution is a composition, not a hierarchy. `packages/core/` is a repository grouping for the default agent spine; capability seams around it are equally first-class plugins. +Composition is preferred over inheritance. `packages/core/` is a repository grouping for the default agent flow; capability around it are equally first-class plugins from a Cordis perspective. -### Default Service Spine +### Default Services | ctx key | Package | Role | |---|---|---| | `ctx.sessions` | `dsh-session` | in-memory event-sourced sessions | | `ctx.systemPrompt` | `dsh-system-prompt` | ordered prompt sections, tool schemas, and prompt variables | | `ctx.tools` | `dsh-tools` | tool registry and [execution pipeline](tool-execution-pipeline.md) | -| `ctx.agents` | `dsh-agent` | live agent registry, public `Agent` handle, `agent/*` vocabulary | +| `ctx.agents` | `dsh-agent` | live agent registry, public `Agent` handle, `agent/*` events | | `ctx.agentLoop` | `dsh-agent-loop` | shipped `ReactLoopAgent` driver | ### Capability Services @@ -29,20 +29,20 @@ The default distribution is a composition, not a hierarchy. `packages/core/` is | `ctx.codeRuntime` | [`code-runtime/`](../packages/code-runtime/README.md) | model-written program execution | | `ctx.fs` | [`fs/`](../packages/fs/README.md) | filesystem provider primitives and policy events | | `ctx.web` | [`web/`](../packages/web/README.md) | search/fetch provider registries | -| `ctx.compact` | [`compact/`](../packages/compact/README.md) | session-surface compaction | +| `ctx.compact` | [`compact/`](../packages/compact/README.md) | session-log compaction | | `ctx.subagents` | [`subagent/`](../packages/subagent/README.md) | named delegation providers | | `ctx.sessionPersistence` | [`session-persistence/`](../packages/session-persistence/README.md) | durable storage for session logs | -## Event Surface +## Event -Events are the harness extension API. Each service owns the vocabulary for the behavior it controls, and the generated [events catalog](cordis-catalog/events.md) is the exhaustive reference. The [producer/consumer map](event-producer-consumer.md) shows which packages emit or listen to each event. +Events are the harness extension API used by Service. The generated [events catalog](cordis-catalog/events.md) is the exhaustive reference. The [producer/consumer map](event-producer-consumer.md) shows which packages emit or listen to each event. ### Event Domains Pick the event domain for new behavior: - **Session events** are durable, replayable facts. Turn and step boundaries, user input, assistant output, tool calls, tool results, steering, compaction records, and tool-owned durable facts append to the session log and flow through `session/event`. -- **Agent events** are live runtime surfaces. They carry the live `Agent` handle for status, diagnostics, prompt admission, call-config shaping, result validation, and continuation policy. +- **Agent events** carry the live `Agent` handle for status, diagnostics, prompt admission, call-config shaping, result validation, and continuation policy. - **Capability events** belong to the seam that owns the action. `tools/*`, `llm/*`, `system-prompt/*`, `fs/*`, and `subagent/*` let policy and adapters attach without importing the loop. ### Interception Semantics @@ -51,9 +51,9 @@ Waterfall events behave like around-middleware: a listener delegates by calling ## Default Loop Lifecycle -The shipped loop drains queued work, assembles a request, streams a model answer, executes tools, decides whether to continue, and checkpoints durable state. The important architecture is where it pauses: each pause is a documented service call or event seam other plugins program against. +The shipped loop drains queued work, assembles a request, streams a model answer, executes tools, decides whether to continue, and checkpoints durable state. The important part is where it pauses: each pause is a documented service call or event that another plugin can use. -A **session** is one agent's append-only event log. A **turn** drains one queued batch and runs until the model stops asking for tools and no plugin requests continuation. A **step** is one model request plus the tool executions caused by that response. In the flow below ([sequence companion](agent-lifecycle.md)), quoted names are durable session events and event names are extension seams. +A **session** is one agent's append-only event log. A **turn** drains one queued batch and runs until the model stops asking for tools and no plugin requests continuation. A **step** is one model request plus the tool executions caused by that response. In the flow below ([sequence companion](agent-lifecycle.md)), quoted names are durable session events and event names are extension points. ### Turn Flow @@ -102,9 +102,9 @@ Every session event is turn-enclosed. Reloading a crashed session preserves the ### Agent Handles -`ctx.agents` owns live agents and returns an `AgentHandle { agent, dispose() }`. `Agent` is the surface other plugins drive: `send()` queues work, `steer()` injects mid-turn content, `inject()` appends context and opens a one-shot injection turn when idle, `cancel()` is the public stop primitive, and `whenIdle()` observes quiescence. Lifecycle owners tear down with `await dispose()`. +`ctx.agents` owns live agents and returns an `AgentHandle { agent, dispose() }`. `Agent` is the API other plugins drive: `send()` queues work, `steer()` injects mid-turn content, `inject()` appends context and opens a one-shot injection turn when idle, `cancel()` is the public stop primitive, and `whenIdle()` observes quiescence. Lifecycle owners tear down with `await dispose()`. -## State And Model Surface +## State ### Session Log @@ -116,7 +116,7 @@ Durability is a plugin concern. Persistence backends buffer synchronous `session ### Model Content -Messages are arrays of typed content blocks (`text`, `reasoning`, `tool-call`, `tool-result`). The union derives from the merge-extensible `ContentBlockMap`; the same pattern types `MessageSource`, `FinishReason`, `TurnTrigger`, and `TurnEndReason`. New block types are coordinated across adapters, UI bridges, compaction pricing, and persistence, so block vocabulary remains a repo-wide contract. +Messages are arrays of typed content blocks (`text`, `reasoning`, `tool-call`, `tool-result`). The union derives from the merge-extensible `ContentBlockMap`; the same pattern types `MessageSource`, `FinishReason`, `TurnTrigger`, and `TurnEndReason`. New block types are coordinated across adapters, UI bridges, compaction pricing, and persistence, so block types remain a repo-wide contract. Streaming is a raw chunk protocol (`block-start` through `finish`) with `BlockAssembler` as the shared chunk-to-block assembler. The loop logs raw chunks while assembling them for dispatch. `LlmAdapter` is the provider seam: subclass, implement `stream()`, and register with `ctx.llm.registerAdapter(models, adapter)`. StreamChunk conventions live in [llm-streaming.md](core-data-structures/llm-streaming.md). @@ -124,17 +124,17 @@ Streaming is a raw chunk protocol (`block-start` through `finish`) with `BlockAs ### Capability Pattern -A swappable capability usually splits into **interface / implementation / consumer**: the interface owns the `ctx` key and vocabulary; an implementation registers a backend; a consumer exposes model-facing behavior through `ctx.tools` or prompt assembly. The bash trio is the reference shape, and the [capability seam graph](capability-seams.md) shows the package families. +A swappable capability usually splits into **interface / implementation / consumer**: the interface owns the `ctx` key and event names; an implementation registers a backend; a consumer exposes model-facing behavior through `ctx.tools` or prompt assembly. The bash trio is the reference shape, and the [capability graph](capability-seams.md) shows the current package families. -Some seams bend the template deliberately. LLM keeps interface and consumer vocabulary together because adapters are the implementations. Filesystem adds policy as event gates around provider primitives. Web is one service with search and fetch provider registries, so provider swaps do not rename model tools. Subagents use a named provider registry because multiple delegation backends can coexist; `spawn` starts fresh, `fork` seeds from the parent's completed-turn prefix, and ACP can drive an out-of-process child ([subagent.md](core-data-structures/subagent.md)). +Some cases bend the template deliberately. LLM keeps interface and consumer event names together because adapters are the implementations. Filesystem adds policy checks around provider primitives. Web is one service with search and fetch provider registries, so provider swaps do not rename model tools. Subagents use a named provider registry because multiple delegation backends can coexist; `spawn` starts fresh, `fork` seeds from the parent's completed-turn prefix, and ACP can drive an out-of-process child ([subagent.md](core-data-structures/subagent.md)). ### Bundles And Apps -`dsh-agent-core` is the default composition bundle: one plugin loading the providerless spine as code ([README](../packages/core/agent-core/README.md)). App packages compose it with a front door and own the boot `bin`: `dsh-stdio-agent` for the terminal REPL, and `dsh-acp-agent` for ACP over JSON-RPC stdio with no stdout logger ([ui/](../packages/ui/README.md)). A deployment is a thin `cordis.yml` leaf: swappable backends, one app entry, and optional product tools ([examples/](../examples/AGENTS.md), [runnable wirings](cookbook/extension-cookbook.md#runnable-wirings), [graph atlas](graph-atlas.md)). +`dsh-agent-core` is the default bundle: one plugin loading the agent loop ([README](../packages/core/agent-core/README.md)). App packages compose it with a front end and own the entrypoint `bin`: `dsh-stdio-agent` for the terminal REPL, and `dsh-acp-agent` for ACP over JSON-RPC stdio with no stdout logger ([ui/](../packages/ui/README.md)). A deployment is a thin `cordis.yml` leaf: swappable backends, one app entry, and optional product tools ([examples/](../examples/AGENTS.md), [runnable wirings](cookbook/extension-cookbook.md#runnable-wirings), [graph atlas](graph-atlas.md)). ### Where New Behavior Goes -New behavior should attach to a documented seam; changing the shipped loop requires updating this map. +New behavior should attach to a documented extension point; changing the shipped loop requires updating this map. | Goal | Mechanism | |---|---| @@ -149,3 +149,10 @@ New behavior should attach to a documented seam; changing the shipped loop requi | Fork a live session | use `ctx.sessions.fork(source, boundary?, childSessionId?)` | The [extension cookbook](cookbook/extension-cookbook.md) carries plugin skeletons and the feature-to-seam map; step-by-step guides cover [packages](cookbook/adding-a-package.md), [tools](cookbook/adding-a-tool.md), [LLM adapters](cookbook/adding-an-llm-adapter.md), and [vendored packages](cookbook/adding-a-vendored-package.md). + +## Quick Reference +- Type definitions in [core-data-structures/](core-data-structures/core.md) +- Exact event and service signatures in [events](cordis-catalog/events.md) +- [services](cordis-catalog/services.md) catalogs +- package contracts in the [package map](../packages/README.md) +- [RFCs](rfc/README.md) \ No newline at end of file diff --git a/docs/cordis-primer.md b/docs/cordis-primer.md index 15534b0ae6..b59363eea7 100644 --- a/docs/cordis-primer.md +++ b/docs/cordis-primer.md @@ -4,35 +4,35 @@ Cordis is the vendored plugin framework underneath the DeepSeek Harness SDK. Thi ## Cordis In Five Ideas -- **A plugin is a unit of behavior.** It can be a function with optional `inject` and `apply(ctx)` fields, or a `Service` subclass whose lifecycle Cordis mounts into the current context. -- **A context is the service container.** A service claims a stable `ctx.` such as `ctx.tools`, `ctx.llm`, or `ctx.sessions`; other plugins program against that key instead of importing a concrete implementation. -- **`inject` is the dependency gate.** A plugin that names required services waits until those services exist, so load order is expressed through service requirements rather than manual boot sequencing. -- **Events are typed extension seams.** Services declare event names through TypeScript declaration merging, then dispatch them as `emit`, `waterfall`, `parallel`, or `serial` depending on whether listeners observe, wrap, fan out, or run in order. -- **Registrations are disposable effects.** Prompt sections, tool schemas, adapters, providers, and listeners are installed through `ctx.effect()` or `ctx.on()` so reload and teardown unwind them predictably. +- **A plugin is a object that implements Service.** It can be a function with optional `inject` and `apply(ctx)` fields, or a `Service` subclass whose lifecycle Cordis mounts into the current context. +- **A context is a repository of services.** A service claims a stable `ctx.` such as `ctx.tools`, `ctx.llm`, or `ctx.sessions` from a context; other plugins find services via key instead of importing a concrete implementation. +- **Declare service dependency via `inject`.** A plugin that names required services waits until those services exist, so load order is expressed through service requirements rather than manual boot sequencing. +- **Typed Events for communication.** Services declare event names through TypeScript declaration merging, then dispatch them as `emit`, `waterfall`, `parallel`, or `serial` depending on whether listeners observe, wrap, fan out, or run in order. +- **Registrations are reversible effects.** Prompt sections, tool schemas, adapters, providers, and listeners are installed through `ctx.effect()` or `ctx.on()` so reload and teardown unwind them predictably. ## Dispatch Modes -Use the mode to understand what a listener can do: +Every event can have one of the following dispatch mode and can only be dispatched by these methods accordingly. -| Mode | Shape | -|---|---| -| `emit` | synchronous notification; listeners observe but do not shape the result | -| `waterfall` | around-middleware; each listener receives `next()` and may wrap, rewrite, or veto | -| `parallel` | awaited fan-out; all listeners run and the dispatcher waits for them | -| `serial` | awaited in registration order; a non-void bail value stops the chain | +| Mode | Awaited? | Dispatch Order | Has Return Value? | +|---|---|---|---| +| `emit` | No | listeners observe in registration order | No | +| `waterfall` | No | listeners observe in registration order | Yes | +| `parallel` | Yes | all listeners observe the event in parallel | No | +| `serial` | Yes | listeners observe in registration order | Yes | The mode is part of the event's public contract. New harness events document it with an `@mode` tag so the generated catalog can check declarations against dispatch sites. ## Cordis Waterfall Semantics -`ctx.waterfall` is around-middleware, not a reducer. A listener receives `(...args, next)`. Call `next()` to delegate, optionally wrapping the result; return without `next()` to short-circuit. Values propagate through `next()`'s return value. +`ctx.waterfall` is around-middleware. A listener receives `(...args, next)`. Call `next()` to delegate the possibly wrapped result to the next service; return without `next()` to short-circuit. Values propagate through `next()`'s return value. -Cooperative listeners usually mutate a shared request or decision object and then delegate. Returning a replacement is a takeover: downstream listeners see the replacement, and earlier mutations on the original object do not carry forward. Use `prepend: true` only when the listener must run before ordinary registrations. +Cooperative listeners usually mutate a shared request or decision object and then delegate. A listener can also choose to repalce the result entirely and downstream listeners will only see the result after replacement. Use `prepend: true` only when the listener must run before ordinary registrations. For single-decision events, short-circuiting is the design. A policy listener can return without `next()` when it owns the decision, while a listener that only annotates or observes must delegate. ## Practical Rules -Own vocabulary where the behavior lives: a tool pipeline event belongs to `ctx.tools`, model streaming belongs to `ctx.llm`, and live agent coordination belongs to `ctx.agents`. Prefer events for interception and policy; prefer service methods for direct capability calls. +Encapsulate behavior into plugins: a tool pipeline event belongs to `ctx.tools`, model streaming belongs to `ctx.llm`, and live agent coordination belongs to `ctx.agents`. Prefer events for interception and policy; prefer service methods for direct capability calls. Every registration should have a disposer, either by returning one from `ctx.effect()` or using a Cordis helper that does it for you. If teardown order matters, keep the related work in one effect so disposal unwinds in the intended sequence. From d12cb45838b394c1af75f2fbc3e379f4e2fb6c99 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Thu, 9 Jul 2026 23:46:19 +0800 Subject: [PATCH 57/90] workflow: spawn the worker with an empty environment The documented vm escape reaches process, and the worker inherited the harness's env - so a buggy or prompt-injected script could read and exfiltrate ambient credentials (DEEPSEEK_API_KEY et al.) without touching a single file (ds-review-bot finding on #233). Spawn with env: {} and a hermetic execArgv on both runtime shapes, the same stance as dsh-code-runtime-worker and stronger than the scrubbed env the defensive-patterns rule requires for spawned commands (a shell needs PATH; this worker needs nothing). Ambient-channel hardening only: an escapee keeps the process-wide privileges the trust premise already admits - the genuine sandbox remains an engine swap. --- .../workflow/workflow-workerthread/README.md | 1 + .../workflow/workflow-workerthread/src/host.ts | 16 +++++++++++++--- .../tests/workflow-workerthread.spec.ts | 18 ++++++++++++++++++ 3 files changed, 32 insertions(+), 3 deletions(-) diff --git a/packages/workflow/workflow-workerthread/README.md b/packages/workflow/workflow-workerthread/README.md index 2d98273ae0..2c556fc35d 100644 --- a/packages/workflow/workflow-workerthread/README.md +++ b/packages/workflow/workflow-workerthread/README.md @@ -8,6 +8,7 @@ Workflow scripts are **model-written** — the same trust level as the model's e - **The host never blocks**: `start()` returns without running any script code on the host; a synchronous spin anywhere in the script occupies the worker's loop, not the harness's. - **Termination is real**: a script that outlives its post-cancel grace is `worker.terminate()`d — nothing of it survives `dispose()`, where an in-process engine could only abandon the spin on its own loop. +- **No ambient credentials**: the worker spawns with an EMPTY environment (`env: {}` plus hermetic `execArgv`, the same stance as `dsh-code-runtime-worker`), so an escapee reading `process.env` finds no harness secrets — ambient-channel hardening only; the process-wide privileges above (fs and the rest) remain, so a genuine sandbox is still the engine swap. - **Serialization by construction**: everything crossing the thread is structured-clone data, and plain JSON before that — the `materializeFromRealm` walk rejects loud what JSON cannot carry, which is also what makes every postMessage hop total. What the seam guarantees regardless, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection, values JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing (containing what an escaped script may touch) remains an isolated-vm/separate-process engine swap behind the seam, still deferred. diff --git a/packages/workflow/workflow-workerthread/src/host.ts b/packages/workflow/workflow-workerthread/src/host.ts index 28db34f097..9f39cd80e4 100644 --- a/packages/workflow/workflow-workerthread/src/host.ts +++ b/packages/workflow/workflow-workerthread/src/host.ts @@ -56,20 +56,30 @@ import type { ChildStartRequest, WorkerInit } from './types.ts' * vitest (vite transforms in-process, not via a node loader), and passing * execArgv explicitly also shields the worker from any loader flags the * parent was started with. Built (`lib/index.js`), the entry is the sibling - * bundle the package tsdown config emits and no loader is needed. + * bundle the package tsdown config emits and no loader is needed (execArgv + * pinned empty — hermetic, like the environment). + * + * Both shapes spawn with an EMPTY environment (`env: {}`): the documented vm + * escape reaches `process`, and the harness's ambient credentials + * (`DEEPSEEK_API_KEY` et al.) must not ride along — the same stance as + * `dsh-code-runtime-worker`, stronger than the scrubbed env the + * defensive-patterns rule requires for spawned commands (a shell needs PATH; + * this worker needs nothing). This closes the AMBIENT channel only — an + * escapee still holds process-wide privileges like fs access (the README's + * trust premise stands). * @param init - the run payload, passed as `workerData`. * @returns the entry URL and the Worker options to spawn it with. */ function resolveWorkerSpawn(init: WorkerInit): { entry: URL; options: WorkerOptions } { /* v8 ignore next 3 -- the built-output arm: tests always run unbuilt (src/); the built-worker e2e exercises this shape for real */ if (!import.meta.url.endsWith('.ts')) { - return { entry: new URL('./worker.js', import.meta.url), options: { workerData: init } } + return { entry: new URL('./worker.js', import.meta.url), options: { workerData: init, env: {}, execArgv: [] } } } // Lazy tsx resolution: only the unbuilt shape needs it, so the built // bundle never requires tsx to be installed. return { entry: new URL('./worker.ts', import.meta.url), - options: { workerData: init, execArgv: ['--import', fileURLToPath(import.meta.resolve('tsx'))] }, + options: { workerData: init, env: {}, execArgv: ['--import', fileURLToPath(import.meta.resolve('tsx'))] }, } } diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index eb50ec1121..32f63a6c97 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -254,6 +254,24 @@ describe('dsh-workflow-workerthread', () => { expect(result.stopReason).toBe('completed') expect(result.value).toBe('fine') }) + + it('the worker spawns with an EMPTY environment: an escaped script finds no ambient credentials', async () => { + const { ctx, parent } = await setup() + // A canary in the HARNESS process's env: with an inherited environment + // the escape below would read it back (exactly how DEEPSEEK_API_KEY + // would leak); env: {} in the spawn options is what keeps it out. + process.env.WORKFLOW_ENV_CANARY = 'leak me' + try { + const result = await run(ctx, parent, scripted(` + const proc = ${ESCAPE} + return { canary: proc.env.WORKFLOW_ENV_CANARY ?? null, keys: Object.keys(proc.env).length } + `)) + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ canary: null, keys: 0 }) + } finally { + delete process.env.WORKFLOW_ENV_CANARY + } + }) }) describe('lifecycle: parse errors, cancellation, termination, disposal', () => { From f77174f13a52475d381eb9959ba2cc6ab8c499f0 Mon Sep 17 00:00:00 2001 From: Turtle Date: Fri, 10 Jul 2026 00:13:06 +0800 Subject: [PATCH 58/90] make it clearer --- docs/AGENTS.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/AGENTS.md b/docs/AGENTS.md index 118c535874..a6e3c7236c 100644 --- a/docs/AGENTS.md +++ b/docs/AGENTS.md @@ -35,7 +35,7 @@ Placement test: a story about a bug → postmortem. Why we chose X → RFC. How ## Wordcount Budgets -Every PR has a lesson it wants to append, and without pressure nothing ever leaves. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) is the pressure, which lists the word count of each standing docs; `pnpm run verify-doc-budgets` (part of `doc-sync`, so CI and pre-push run it) fails when a doc exceeds its ceiling, and fails when a budgeted file is missing so a rename cannot orphan its budget. +Every PR has a lesson it wants to append, and without pressure nothing ever leaves. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) is the pressure: it stores the allowed word-count ceiling for each budgeted standing doc; `pnpm run verify-doc-budgets` (part of `doc-sync`, so CI and pre-push run it) fails when a doc exceeds its ceiling, and fails when a budgeted file is missing so a rename cannot orphan its budget. - Ceilings are an enforcement frontier with working headroom: a ceiling sits at least 5% above the doc's current size — routine edits pass, real growth trips the gate — and ratchets down, keeping the margin, as the doc reaches target. Target budgets: root `AGENTS.md` ≤ 1,500 words; `architecture.md` ≤ 1,800; each subtree `AGENTS.md` ≤ 600, except this file (which carries the standard) ≤ 1,250; `packages/README.md` ≤ 600. - When the gate goes red, first ask whether the added words belong in this tier and whether the existing wording can be condensed. If the words do not belong, relocate per the taxonomy above; if they belong but can be shorter, condense. If they truly need the space, raise the ceiling and justify the manifest diff in the PR. A ceiling set too low is a budget bug, and correcting it is the fix. From aff657cc2823ae7a8e85446e668aa9d0afd88190 Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Fri, 10 Jul 2026 00:16:29 +0800 Subject: [PATCH 59/90] fix: ci run without build lib for snapshot --- .../workflow/workflow-workerthread/README.md | 2 +- .../workflow-workerthread/src/host.ts | 21 ++++++++++++++----- 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/packages/workflow/workflow-workerthread/README.md b/packages/workflow/workflow-workerthread/README.md index 2c556fc35d..1ee959cc0c 100644 --- a/packages/workflow/workflow-workerthread/README.md +++ b/packages/workflow/workflow-workerthread/README.md @@ -8,7 +8,7 @@ Workflow scripts are **model-written** — the same trust level as the model's e - **The host never blocks**: `start()` returns without running any script code on the host; a synchronous spin anywhere in the script occupies the worker's loop, not the harness's. - **Termination is real**: a script that outlives its post-cancel grace is `worker.terminate()`d — nothing of it survives `dispose()`, where an in-process engine could only abandon the spin on its own loop. -- **No ambient credentials**: the worker spawns with an EMPTY environment (`env: {}` plus hermetic `execArgv`, the same stance as `dsh-code-runtime-worker`), so an escapee reading `process.env` finds no harness secrets — ambient-channel hardening only; the process-wide privileges above (fs and the rest) remain, so a genuine sandbox is still the engine swap. +- **No ambient credentials**: the worker spawns with an EMPTY environment (`env: {}` plus hermetic `execArgv`, the same stance as `dsh-code-runtime-worker`; the unbuilt dev shape forwards exactly one loader variable, `TSX_TSCONFIG_PATH` — path plumbing, not a secret), so an escapee reading `process.env` finds no harness secrets — ambient-channel hardening only; the process-wide privileges above (fs and the rest) remain, so a genuine sandbox is still the engine swap. - **Serialization by construction**: everything crossing the thread is structured-clone data, and plain JSON before that — the `materializeFromRealm` walk rejects loud what JSON cannot carry, which is also what makes every postMessage hop total. What the seam guarantees regardless, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection, values JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing (containing what an escaped script may touch) remains an isolated-vm/separate-process engine swap behind the seam, still deferred. diff --git a/packages/workflow/workflow-workerthread/src/host.ts b/packages/workflow/workflow-workerthread/src/host.ts index 9f39cd80e4..6b6391a02e 100644 --- a/packages/workflow/workflow-workerthread/src/host.ts +++ b/packages/workflow/workflow-workerthread/src/host.ts @@ -64,9 +64,11 @@ import type { ChildStartRequest, WorkerInit } from './types.ts' * (`DEEPSEEK_API_KEY` et al.) must not ride along — the same stance as * `dsh-code-runtime-worker`, stronger than the scrubbed env the * defensive-patterns rule requires for spawned commands (a shell needs PATH; - * this worker needs nothing). This closes the AMBIENT channel only — an - * escapee still holds process-wide privileges like fs access (the README's - * trust premise stands). + * this worker needs nothing). Sole exception: the unbuilt shape forwards + * `TSX_TSCONFIG_PATH` when the parent carries it (loader plumbing the paths + * map depends on outside the repo cwd, not a secret). This closes the + * AMBIENT channel only — an escapee still holds process-wide privileges + * like fs access (the README's trust premise stands). * @param init - the run payload, passed as `workerData`. * @returns the entry URL and the Worker options to spawn it with. */ @@ -76,10 +78,19 @@ function resolveWorkerSpawn(init: WorkerInit): { entry: URL; options: WorkerOpti return { entry: new URL('./worker.js', import.meta.url), options: { workerData: init, env: {}, execArgv: [] } } } // Lazy tsx resolution: only the unbuilt shape needs it, so the built - // bundle never requires tsx to be installed. + // bundle never requires tsx to be installed. TSX_TSCONFIG_PATH is the one + // variable forwarded through the scrub: tsx finds a tsconfig by searching + // UP from the worker's cwd, and a parent running with its cwd outside the + // repo (the ACP snapshot harness pins the tsconfig through this exact + // variable) would otherwise lose the dsh-* paths map and resolve workspace + // imports to unbuilt lib/ bundles. Loader plumbing, not a secret. return { entry: new URL('./worker.ts', import.meta.url), - options: { workerData: init, env: {}, execArgv: ['--import', fileURLToPath(import.meta.resolve('tsx'))] }, + options: { + workerData: init, + env: process.env.TSX_TSCONFIG_PATH === undefined ? {} : { TSX_TSCONFIG_PATH: process.env.TSX_TSCONFIG_PATH }, + execArgv: ['--import', fileURLToPath(import.meta.resolve('tsx'))], + }, } } From c60eb878601f54ee5a9d32496c7e2237a49643b0 Mon Sep 17 00:00:00 2001 From: Turtle Date: Fri, 10 Jul 2026 00:20:35 +0800 Subject: [PATCH 60/90] make wordcount budget guidance clearer and dedup docs --- .agents/skills/dsh-doc-standards/SKILL.md | 4 +--- docs/AGENTS.md | 12 ++++++++---- 2 files changed, 9 insertions(+), 7 deletions(-) diff --git a/.agents/skills/dsh-doc-standards/SKILL.md b/.agents/skills/dsh-doc-standards/SKILL.md index 7c396ed93c..de7eda4142 100644 --- a/.agents/skills/dsh-doc-standards/SKILL.md +++ b/.agents/skills/dsh-doc-standards/SKILL.md @@ -38,9 +38,7 @@ Compression discipline: every load-bearing rule survives — as one to three lin ## When verify-doc-budgets goes red -1. Relocate: does the new content belong in a linked home (RFC, postmortem, cookbook, README) with a one-line pointer left behind? -2. Condense: can existing prose in the doc pay for the addition — a story compressed to its rule, a duplicate converted to a link? -3. Only then raise the ceiling: edit `scripts/doc-budgets.manifest.json` and justify the raise explicitly in the PR description. After any rewrite that shrinks a budgeted doc, ratchet its ceiling down to the new size plus working headroom (at least 5%) in the same PR. +Apply the ordered relocate-condense-raise policy in [docs/AGENTS.md](../../../docs/AGENTS.md); this skill only supplies the workflow probes above. ## Validation and PR hygiene diff --git a/docs/AGENTS.md b/docs/AGENTS.md index a6e3c7236c..6824c71cc6 100644 --- a/docs/AGENTS.md +++ b/docs/AGENTS.md @@ -35,11 +35,15 @@ Placement test: a story about a bug → postmortem. Why we chose X → RFC. How ## Wordcount Budgets -Every PR has a lesson it wants to append, and without pressure nothing ever leaves. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) is the pressure: it stores the allowed word-count ceiling for each budgeted standing doc; `pnpm run verify-doc-budgets` (part of `doc-sync`, so CI and pre-push run it) fails when a doc exceeds its ceiling, and fails when a budgeted file is missing so a rename cannot orphan its budget. +Every PR has a lesson it wants to append, and without pressure nothing leaves. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) stores the allowed word-count ceiling for each budgeted standing doc; `pnpm run verify-doc-budgets` fails when a doc exceeds its ceiling or a budgeted file is missing. -- Ceilings are an enforcement frontier with working headroom: a ceiling sits at least 5% above the doc's current size — routine edits pass, real growth trips the gate — and ratchets down, keeping the margin, as the doc reaches target. Target budgets: root `AGENTS.md` ≤ 1,500 words; `architecture.md` ≤ 1,800; each subtree `AGENTS.md` ≤ 600, except this file (which carries the standard) ≤ 1,250; `packages/README.md` ≤ 600. -- When the gate goes red, first ask whether the added words belong in this tier and whether the existing wording can be condensed. If the words do not belong, relocate per the taxonomy above; if they belong but can be shorter, condense. If they truly need the space, raise the ceiling and justify the manifest diff in the PR. A ceiling set too low is a budget bug, and correcting it is the fix. -- Unbudgeted tiers (package READMEs, RFCs, reference matrices) have no ceiling — length is legitimate there when every row is a fact. Review and the slop checklist govern them instead. +When the gate goes red: + +1. **Relocate** content that belongs in another tier; leave a one-line link if needed. +2. **Condense** content that belongs here but can be shorter. +3. **Raise** the ceiling only when the words truly need the space; justify the manifest diff in the PR. A too-low ceiling is a budget bug. + +Ceilings keep working headroom: at least 5% above the current size, ratcheted down after trims. Target budgets: root `AGENTS.md` ≤ 1,500 words; `architecture.md` ≤ 1,800; each subtree `AGENTS.md` ≤ 600, except this file ≤ 1,250; `packages/README.md` ≤ 600. Unbudgeted tiers (package READMEs, RFCs, reference matrices) have no ceiling; review and the slop checklist govern them. ## The slop checklist From a53be53d64732cf3ded39bb4fd008b78e5c076aa Mon Sep 17 00:00:00 2001 From: imccyu <276526105+imccyu@users.noreply.github.com> Date: Fri, 10 Jul 2026 00:23:11 +0800 Subject: [PATCH 61/90] workflow: forward TSX_TSCONFIG_PATH through the worker env scrub The empty-env hardening wiped the one variable the UNBUILT worker's loader depends on: tsx finds a tsconfig by searching up from the worker's cwd, and a parent running outside the repo (the ACP snapshot harness pins the repo tsconfig through TSX_TSCONFIG_PATH exactly because its child cwd is a temp dir) lost the dsh-* paths map - the worker then resolved workspace imports to unbuilt lib/ bundles and died on CI with ERR_MODULE_NOT_FOUND (green locally only because stale built lib/ masked the wrong resolution). Forward exactly that variable when the parent carries it - loader plumbing, not a secret; the built shape stays fully empty - and pin the whole contract with an escape-based test: the worker env is exactly {TSX_TSCONFIG_PATH}, the credential canary still never crosses. --- .../tests/workflow-workerthread.spec.ts | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index 32f63a6c97..ecaeed61f6 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -1,4 +1,5 @@ import { describe, expect, it, vi } from 'vitest' +import { fileURLToPath } from 'node:url' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import { AgentId } from '@deepseek-ai/dsh-agent' @@ -272,6 +273,28 @@ describe('dsh-workflow-workerthread', () => { delete process.env.WORKFLOW_ENV_CANARY } }) + + it('the unbuilt worker forwards exactly TSX_TSCONFIG_PATH through the scrub: the paths-map pin survives, secrets do not', async () => { + const { ctx, parent } = await setup() + // The ACP snapshot harness runs the parent with its cwd OUTSIDE the + // repo and pins the repo tsconfig through this variable; the worker + // must inherit the pin (or its dsh-* imports silently resolve to + // unbuilt lib/ bundles) while every other variable stays scrubbed. + const tsconfig = fileURLToPath(new URL('../../../../tsconfig.json', import.meta.url)) + process.env.TSX_TSCONFIG_PATH = tsconfig + process.env.WORKFLOW_ENV_CANARY = 'leak me' + try { + const result = await run(ctx, parent, scripted(` + const proc = ${ESCAPE} + return { keys: Object.keys(proc.env), tsconfig: proc.env.TSX_TSCONFIG_PATH } + `)) + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ keys: ['TSX_TSCONFIG_PATH'], tsconfig }) + } finally { + delete process.env.TSX_TSCONFIG_PATH + delete process.env.WORKFLOW_ENV_CANARY + } + }) }) describe('lifecycle: parse errors, cancellation, termination, disposal', () => { From 9d2cf8ce826ee82c2af13f25de12bdf1920dda7e Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Fri, 10 Jul 2026 00:48:27 +0800 Subject: [PATCH 62/90] Add keyless snapshot refresh mode --- docs/testing.md | 8 +- examples/acp-agent/README.md | 2 +- examples/acp-agent/tests/acp.snapshot.ts | 28 +++- package.json | 1 + packages/support/acp-snapshot/README.md | 10 +- packages/support/acp-snapshot/src/suite.ts | 147 +++++++++++++++--- .../support/acp-snapshot/tests/suite.spec.ts | 117 +++++++++++++- vitest.snapshot.config.ts | 8 +- 8 files changed, 278 insertions(+), 43 deletions(-) diff --git a/docs/testing.md b/docs/testing.md index a4a77c9d0c..62989a1096 100644 --- a/docs/testing.md +++ b/docs/testing.md @@ -1,17 +1,17 @@ # Testing policy -How this repo tests, tier by tier, and the rules that keep a green suite meaning something. Commands live in the root [AGENTS.md](../AGENTS.md) § Commands; the RFCs linked per tier carry the design rationale. +How this repo tests, tier by tier, and the rules that keep a green suite meaningful. Commands live in root [AGENTS.md](../AGENTS.md); linked RFCs carry the rationale. ## Tiers -- **Unit** (`pnpm run test`): vitest over `packages|examples/*/tests/**/*.spec.ts`, colocated with what they test. Every registry gets an HMR-safety test (dispose the contributing fiber, assert cleanup). Excessive tests are welcome — err toward covering edge cases, error paths, event ordering, and concurrency races; review findings get regression tests (see `packages/core/agent-loop/tests/review-fixes.spec.ts`). +- **Unit** (`pnpm run test`): vitest over `packages|examples/*/tests/**/*.spec.ts`, colocated with what they test. Every registry gets an HMR-safety test (dispose the contributing fiber, assert cleanup). Prefer edge cases, error paths, event ordering, and concurrency races; review findings get regression tests (see `packages/core/agent-loop/tests/review-fixes.spec.ts`). - **Coverage gate** (`pnpm run test:coverage`): the gating run, per-file 100% on `packages/*/*/src`. An uncovered line is often dead code the gate is correctly flagging for deletion, not a missing test to bolt on. Line coverage is necessary, never sufficient — it proves lines ran, not that the feature works as shipped. - **Real-API e2e** (`pnpm run test:e2e`): with-key tests against live provider APIs — the DeepSeek model plus provider-specific smokes that gate on their own keys (`EXA_API_KEY`, `PERPLEXITY_API_KEY`, …); each suite self-skips without its key so keyless CI stays green ([real-API e2e RFC](rfc/implemented/testing/2026-06-19-real-api-e2e-ci.md)). -- **Snapshot** (`pnpm run test:snapshot`): boots the real example subprocess, replays a recorded session keyless, diffs normalized stdout + the re-persisted log against committed goldens ([snapshot RFC](rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md)). Re-record with `pnpm run test:snapshot:record`; reviewing the golden diff is part of the review. System-prompt/tool-schema content is pinned by ONE scenario (`text-turn`) and tokenized in every other fixture, so a prompt or schema edit churns one committed line ([pinned-header RFC](rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)). +- **Snapshot** (`pnpm run test:snapshot`): boots the real example subprocess, replays a recorded session keyless, diffs normalized stdout + the re-persisted log against committed goldens ([snapshot RFC](rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md)). Use `pnpm run test:snapshot:record` when the model transcript should change; use `pnpm run test:snapshot:refresh` when the committed transcript is still the right mock LLM input and replay goldens need keyless rewrite. Review the golden diff. System-prompt/tool-schema content is pinned by ONE scenario (`text-turn`) and tokenized in every other fixture, so a prompt or schema edit churns one committed line ([pinned-header RFC](rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)). ## The with-key policy: inference is cheap here -We are DeepSeek — do not ration real-API tests. A no-key test proves the plumbing; only a with-key run proves the agent works against a real model. Write many: real prompts that write files, multi-turn conversations, tool use, cancellation mid-stream. Cheapest and highest-value are **smoke tests** that boot the real example, send one real prompt, and check the world — they catch the "green unit tests, broken product" class that mocks structurally cannot ([postmortem 0001](postmortem/0001-acp-default-export-drops-inject.md)). The self-skip exists only so secretless CI and keyless contributors aren't blocked; it is not a cost signal. Every example ships a keyless smoke and — unless keyless-by-nature — a with-key smoke ([examples/AGENTS.md](../examples/AGENTS.md)). +We are DeepSeek — do not ration real-API tests. A no-key test proves plumbing; only a with-key run proves the agent works against a real model. Write many: file-writing prompts, multi-turn conversations, tool use, cancellation mid-stream. Highest-value are **smoke tests** that boot the real example, send one real prompt, and check the world — they catch the "green unit tests, broken product" class that mocks structurally cannot ([postmortem 0001](postmortem/0001-acp-default-export-drops-inject.md)). The self-skip exists only so secretless CI and keyless contributors aren't blocked; it is not a cost signal. Every example ships a keyless smoke and — unless keyless-by-nature — a with-key smoke ([examples/AGENTS.md](../examples/AGENTS.md)). ## Prefer the real implementation over a mock diff --git a/examples/acp-agent/README.md b/examples/acp-agent/README.md index 5b3c936651..85cb185c82 100644 --- a/examples/acp-agent/README.md +++ b/examples/acp-agent/README.md @@ -33,7 +33,7 @@ The editor sets each session's `cwd` to the project it opens; both the agent's b ## Snapshot tests (record-once / replay-deterministic) -This example is the home of the harness's **snapshot tests** — they boot this server as a real subprocess, drive it with a deterministic input script, and diff its normalized output against committed golden files. The model is made deterministic by `@deepseek-ai/dsh-llm-replay`, a function/namespace plugin that installs an `llm/stream` waterfall listener and short-circuits it, serving model streams reconstructed from a recorded **session JSONL** fixture (`/session.jsonl`) — so replay needs no API key. The fixture IS the persisted session log: its `assistant/chunk` events carry every `StreamChunk`, so grouping them by `(turn, step)` reconstructs each `stream()` call (one model call per loop step). Recording is therefore "run the real agent once and harvest the `.jsonl`". The two failure modes not expressible as logged chunks — a pure throw before any chunk, and cancel/hang — use an optional `/replay.override.json` sidecar (a `ReplayEntry[]` that replaces the derived script). A scenario that needs the agent to operate on existing files ships an optional `/workspace/` directory — the harness copies its contents into the temp cwd before the run (see `workspace-edit`). See [the ACP snapshot tests RFC](../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md) for the full design. +This example is the home of the harness's **snapshot tests** — they boot this server as a real subprocess, drive it with a deterministic input script, and diff its normalized output against committed golden files. The model is made deterministic by `@deepseek-ai/dsh-llm-replay`, a function/namespace plugin that installs an `llm/stream` waterfall listener and short-circuits it, serving model streams reconstructed from a recorded **session JSONL** fixture (`/session.jsonl`) — so replay needs no API key. The fixture IS the persisted session log: its `assistant/chunk` events carry every `StreamChunk`, so grouping them by `(turn, step)` reconstructs each `stream()` call (one model call per loop step). Recording is therefore "run the real agent once and harvest the `.jsonl`"; use `pnpm run test:snapshot:record` when the model transcript itself should change, and `pnpm run test:snapshot:refresh` when the committed model transcript is still the right mock input and only the current replay output/goldens need to be rewritten. The two failure modes not expressible as logged chunks — a pure throw before any chunk, and cancel/hang — use an optional `/replay.override.json` sidecar (a `ReplayEntry[]` that replaces the derived script). A scenario that needs the agent to operate on existing files ships an optional `/workspace/` directory — the harness copies its contents into the temp cwd before the run (see `workspace-edit`). See [the ACP snapshot tests RFC](../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md) for the full design. ## MVP limitations diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts index d45ddf8591..7102d8ce88 100644 --- a/examples/acp-agent/tests/acp.snapshot.ts +++ b/examples/acp-agent/tests/acp.snapshot.ts @@ -1,15 +1,16 @@ import { fileURLToPath } from 'node:url' import { dirname, join } from 'node:path' -import { defineAcpSnapshotSuite, type Scenario } from '@deepseek-ai/dsh-acp-snapshot' +import { defineAcpSnapshotSuite, type Scenario, type SnapshotSuiteOptions } from '@deepseek-ai/dsh-acp-snapshot' /** * The acp-agent example's snapshot suite: the scenario table for * `dsh-acp-snapshot`'s suite factory, which owns every compare/guard mechanic - * (golden + re-persisted-log diffs, record write-back, the pinned-header + * (golden + re-persisted-log diffs, record/refresh write-back, the pinned-header * uniformity guard, the fixture guards). Fixtures live under `snapshots//`; - * `pnpm run test:snapshot:record` re-records the `recorded` scenarios against - * the real API. See the package README (packages/support/acp-snapshot) and the - * snapshot RFC, docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md. + * `pnpm run test:snapshot:record` re-records model transcripts against the real + * API; `pnpm run test:snapshot:refresh` rewrites current replay goldens keyless. + * See the package README (packages/support/acp-snapshot) and the snapshot RFC, + * docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md. */ // The dsh-acp-agent bin (the demo:acp entry), this example's cordis.yml, and @@ -26,6 +27,21 @@ const AGENT = { const CODE_MODE_CONFIG = fileURLToPath(new URL('../code-mode.cordis.yml', import.meta.url)) const BOTH_MODE_CONFIG = fileURLToPath(new URL('../both-mode.cordis.yml', import.meta.url)) +function snapshotModeFromEnv(value: string | undefined): SnapshotSuiteOptions['mode'] { + switch (value) { + case undefined: + case '': + case 'replay': + return 'replay' + case 'record': + return 'record' + case 'refresh': + return 'refresh' + default: + throw new Error(`unknown DSH_SNAPSHOT mode: ${value}`) + } +} + const SCENARIOS: Scenario[] = [ { name: 'handshake', hasModelTurn: false, recorded: false }, { name: 'reject-extra-dirs', hasModelTurn: false, recorded: false }, @@ -111,5 +127,5 @@ defineAcpSnapshotSuite({ agent: AGENT, snapshotsDir: join(dirname(fileURLToPath(import.meta.url)), 'snapshots'), scenarios: SCENARIOS, - mode: process.env.DSH_SNAPSHOT === 'record' ? 'record' : 'replay', + mode: snapshotModeFromEnv(process.env.DSH_SNAPSHOT), }) diff --git a/package.json b/package.json index c4cc307893..7f068c7f19 100644 --- a/package.json +++ b/package.json @@ -22,6 +22,7 @@ "test:e2e": "vitest run --config vitest.e2e.config.ts", "test:snapshot": "vitest run --config vitest.snapshot.config.ts", "test:snapshot:record": "DSH_SNAPSHOT=record vitest run --config vitest.snapshot.config.ts --update", + "test:snapshot:refresh": "DSH_SNAPSHOT=refresh vitest run --config vitest.snapshot.config.ts", "check:ci": "tsx scripts/run-gates.ts ci-primary", "check:ci:static": "tsx scripts/run-gates.ts ci-static", "check:ci:lint": "tsx scripts/run-gates.ts ci-lint", diff --git a/packages/support/acp-snapshot/README.md b/packages/support/acp-snapshot/README.md index 209b1a81cb..8ff2fe1413 100644 --- a/packages/support/acp-snapshot/README.md +++ b/packages/support/acp-snapshot/README.md @@ -6,7 +6,7 @@ Three layers, importable separately: - **`runScenario` (harness)** — boots the real agent bin as a subprocess via tsx (unbuilt, Loader path), drives it over ACP JSON-RPC stdio from a deterministic `input.json` script, tees raw stdout for the golden + purity check, and harvests every persisted session JSONL (parent + subagent children, primary-first) after a graceful stdin-EOF shutdown. Parameterized by `AgentUnderTest` (`binScript`, `configPath`, `tsconfigPath` — absolute paths; the subprocess cwd is a temp dir outside the repo). - **Normalizers** — pure functions turning the two captured surfaces into stable text: `normalizeStdout` (JSON-RPC ids → first-seen sequence; UUIDs/cwd → tokens; doubles as the stdout-purity check), `normalizeSessionLog` (times zeroed, `seq` kept), and the composable `scrubRequestHeaders` (header bulk → `{{system}}`/`{{tools}}`, structure kept — [pinned-header RFC](../../../docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)). -- **`defineAcpSnapshotSuite` (factory)** — registers the whole describe/it tree for a scenario table: per-scenario golden + re-persisted-log compares, record-mode fixture write-back, the per-header-class pin with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin per class, pinning fixtures well-formed, non-pinning fixtures header-scrubbed). Must be called at vitest collection time. +- **`defineAcpSnapshotSuite` (factory)** — registers the whole describe/it tree for a scenario table: per-scenario golden + re-persisted-log compares, record/refresh fixture write-back, the per-header-class pin with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin per class, pinning fixtures well-formed, non-pinning fixtures header-scrubbed). Must be called at vitest collection time. A consuming `*.snapshot.ts` is the scenario table plus one factory call: @@ -27,12 +27,16 @@ defineAcpSnapshotSuite({ }, snapshotsDir: join(dirname(fileURLToPath(import.meta.url)), 'snapshots'), scenarios: SCENARIOS, // exactly one entry per header class sets pinsHeader - mode: process.env.DSH_SNAPSHOT === 'record' ? 'record' : 'replay', + mode: process.env.DSH_SNAPSHOT === 'record' + ? 'record' + : process.env.DSH_SNAPSHOT === 'refresh' + ? 'refresh' + : 'replay', }) ``` A scenario booting a differently-composed tree sets its own `configPath` (an overlay whose basename still ends in `cordis.yml`, so the bin's replay swap finds the sibling `*cordis.snapshot.yml`) and, when that composition changes the request header, its own `headerClass` with its own pinning scenario — the acp-agent example's Code Mode scenarios are the template. -The example also ships a `cordis.snapshot.yml` replay overlay next to its `cordis.yml` (the bin swaps them under `DSH_SNAPSHOT=replay` — [single-source replay config RFC](../../../docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md)); replay fixtures are served by [`dsh-llm-replay`](../llm-replay/README.md), which this package points at via the `DSH_SNAPSHOT_*` env vars it sets on the child. Fixture roles, record/replay semantics, and scenario-table fields are documented on `Scenario` and in the [snapshot RFC](../../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md). +The example also ships a `cordis.snapshot.yml` replay overlay next to its `cordis.yml` (the bin swaps them under `DSH_SNAPSHOT=replay` — [single-source replay config RFC](../../../docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md)); replay fixtures are served by [`dsh-llm-replay`](../llm-replay/README.md), which this package points at via the `DSH_SNAPSHOT_*` env vars it sets on the child. `pnpm run test:snapshot:record` calls the live LLM and rewrites the recorded scenarios' model fixtures; `pnpm run test:snapshot:refresh` stays keyless, runs the replay overlay, and rewrites stdout plus comparable session-log goldens from the committed model scripts. Fixture roles, record/replay/refresh semantics, and scenario-table fields are documented on `Scenario` and in the [snapshot RFC](../../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md). Constraints: `suite.ts` imports vitest, so the package is importable only inside a vitest run (the harness and normalizers have no such dependency but ship from the same entry). ACP-specific by design — the harness speaks the SDK's `ClientSideConnection`. Permission round-trips are scriptable: `InputScript.permissionAnswers` is a FIFO queue of option-kind selections (`allow_once`, `reject_once`, …) the client maps to the agent-issued `optionId` at answer time; an absent or exhausted queue answers `cancelled`, and a kind the request never offered rejects the run (the agent is answered `cancelled`, so a tolerant agent cannot absorb the scenario bug). diff --git a/packages/support/acp-snapshot/src/suite.ts b/packages/support/acp-snapshot/src/suite.ts index 53e05d7876..f97cb82c59 100644 --- a/packages/support/acp-snapshot/src/suite.ts +++ b/packages/support/acp-snapshot/src/suite.ts @@ -23,8 +23,11 @@ * * `pnpm run test:snapshot:record` (DSH_SNAPSHOT=record + -u) re-records the * `session.jsonl` fixtures against the real API and refreshes the stdout golden - * in one pass; the caller resolves that env into {@link SnapshotSuiteOptions} - * (env reading stays at the suite edge, not in this library). + * in one pass. `pnpm run test:snapshot:refresh` (DSH_SNAPSHOT=refresh) instead + * replays the committed model scripts keylessly and writes the current stdout + * + persisted-log goldens back without calling a live LLM. The caller resolves + * that env into {@link SnapshotSuiteOptions} (env reading stays at the suite + * edge, not in this library). * * @module @deepseek-ai/dsh-acp-snapshot/suite */ @@ -124,12 +127,13 @@ export interface SnapshotSuiteOptions { /** The scenario table; exactly one entry must set `pinsHeader`. */ scenarios: Scenario[] /** - * `replay` (keyless, the default tier) or `record` (live API; re-records the - * `recorded` scenarios' fixtures and refreshes the vitest goldens under - * `--update`). The caller derives this from `$DSH_SNAPSHOT` — env reading - * stays outside this library. + * `replay` (keyless, the default tier), `record` (live API; re-records the + * `recorded` scenarios' fixtures and refreshes the Vitest goldens under + * `--update`), or `refresh` (keyless replay that rewrites stdout goldens and + * comparable session fixtures from the replay run). The caller derives this + * from `$DSH_SNAPSHOT` — env reading stays outside this library. */ - mode: 'replay' | 'record' + mode: 'replay' | 'record' | 'refresh' } /** @@ -201,6 +205,86 @@ export function headerDeltaCount(rawLog: string): number { .length } +/** A literal string replacement used to carry an existing fixture's volatile value into a refreshed log. */ +export interface FixtureReplacement { + /** The fresh replay-run value to replace. */ + from: string + /** The existing fixture value to keep. */ + to: string +} + +function parseJsonlRecords(text: string): Record[] { + return text.split('\n') + .filter(line => line.trim().length > 0) + .map(line => JSON.parse(line) as Record) +} + +/** + * Build the cross-log id/cwd replacements used by refresh write-back. + * + * @param logs The freshly harvested logs, in fixture order. + * @param fixtures The existing fixture contents, in matching order. + * @returns Literal replacements from fresh volatile values to the fixture's old values. + */ +export function refreshFixtureReplacements(logs: HarvestedLog[], fixtures: string[]): FixtureReplacement[] { + const replacements: FixtureReplacement[] = [] + for (let i = 0; i < logs.length; i++) { + const fresh = parseJsonlRecords((logs[i] as HarvestedLog).content)[0] + const existing = parseJsonlRecords(fixtures[i] ?? '')[0] + for (const field of ['id', 'cwd'] as const) { + const from = fresh?.[field] + const to = existing?.[field] + if (typeof from === 'string' && typeof to === 'string' && from.length > 0 && from !== to) { + replacements.push({ from, to }) + } + } + } + return replacements +} + +function preserveFixtureVolatiles(record: Record, existing: Record | undefined): void { + if (existing === undefined || existing.type !== record.type) return + if (record.type === 'session') { + for (const field of ['id', 'createdAt', 'cwd', 'parentSession', 'seedLength'] as const) { + if (field in record && field in existing) record[field] = existing[field] + } + return + } + if ('time' in record && 'time' in existing) record.time = existing.time + if (record.type !== 'hook/result') return + const data = record.data + const existingData = existing.data + if ( + data !== null && typeof data === 'object' + && existingData !== null && typeof existingData === 'object' + && 'durationMs' in data && 'durationMs' in existingData + ) { + (data as Record).durationMs = (existingData as Record).durationMs + } +} + +/** + * Rewrite a fresh replay-produced log so repeated refreshes do not churn + * volatile fixture fields. Meaningful event payloads come from `fresh`; the + * existing fixture lends session ids, cwd, creation times, event times, and + * hook durations where the record shape still matches. + * + * @param fresh The newly harvested session JSONL. + * @param existing The committed fixture JSONL being refreshed. + * @param replacements Cross-log literal replacements from {@link refreshFixtureReplacements}. + * @returns The stabilized JSONL content to write back. + */ +export function stabilizeRefreshLog(fresh: string, existing: string, replacements: FixtureReplacement[]): string { + let stable = fresh + for (const { from, to } of replacements) stable = stable.split(from).join(to) + const existingRecords = parseJsonlRecords(existing) + const records = parseJsonlRecords(stable) + for (let i = 0; i < records.length; i++) { + preserveFixtureVolatiles(records[i] as Record, existingRecords[i]) + } + return records.map(record => JSON.stringify(record)).join('\n') + '\n' +} + /** * Register the suite: one `describe` per scenario (the golden/log compares and * the header-uniformity guard) plus the fixture guard block (no orphan @@ -215,6 +299,8 @@ export function headerDeltaCount(rawLog: string): number { export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { const { agent, snapshotsDir, scenarios, mode } = options const RECORDING = mode === 'record' + const REFRESHING = mode === 'refresh' + const childMode: 'replay' | 'record' = RECORDING ? 'record' : 'replay' /** The class a scenario's header composition belongs to (see {@link Scenario.headerClass}). */ const classOf = (scenario: Scenario): string => scenario.headerClass ?? 'default' @@ -238,15 +324,18 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { describe(`snapshot: ${scenario.name}`, () => { // In RECORD mode, only re-run the `recorded` (live-API) scenarios; the // `authored` ones (sidecar-driven errors/cancel) are never re-recorded. + // REFRESH mode is replay-backed and deterministic, so it runs every + // scenario and rewrites the comparable fixtures from that replay run. it.skipIf(RECORDING && !scenario.recorded)('matches the goldens', async () => { const dir = join(snapshotsDir, scenario.name) const input = JSON.parse(await readFile(join(dir, 'input.json'), 'utf8')) as InputScript const overrideFile = join(dir, 'replay.override.json') const workspaceDir = join(dir, 'workspace') const childSessions = scenario.childSessions ?? 0 + const comparesLog = scenario.comparesLog ?? scenario.hasModelTurn const result = await runScenario(input, { agent, - mode, + mode: childMode, fixtureFile: join(dir, 'session.jsonl'), ...existsSync(overrideFile) ? { overrideFile } : {}, // In REPLAY, forward the recorded child fixtures so each subagent session @@ -271,30 +360,47 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { } // RECORD mode (recorded model scenarios only): persist the freshly-harvested - // logs back to their fixtures — the primary to session.jsonl, each child to - // session..jsonl in harvest order. `--update` refreshes the Vitest - // goldens but NOT these fixtures, so write them here. A non-pinning - // scenario's fixtures are written header-scrubbed, so a re-record can - // never smuggle the full prompt/schema content back into every fixture. + // live logs back to their fixtures. REFRESH mode does the same from a + // keyless replay run for every comparable log, including authored + // scenarios that live record deliberately skips. The primary goes to + // session.jsonl, each child to session..jsonl in harvest order. A + // non-pinning scenario's fixtures are written header-scrubbed, so a + // re-record/refresh can never smuggle the full prompt/schema content + // back into every fixture. const scrub = scenario.pinsHeader === true ? (log: string): string => log : scrubRequestHeaders - if (RECORDING && scenario.recorded && scenario.hasModelTurn) { - expect(result.sessionLogs.length, 'record produced no session log to harvest').toBeGreaterThan(0) + const fixtureFiles = ['session.jsonl', ...Array.from({ length: childSessions }, (_, i) => `session.${i + 1}.jsonl`)] + const existingFixtures = REFRESHING + ? await Promise.all(fixtureFiles.map(file => readFile(join(dir, file), 'utf8'))) + : [] + const replacements = REFRESHING ? refreshFixtureReplacements(result.sessionLogs, existingFixtures) : [] + const writesSessionFixtures = (RECORDING && scenario.recorded && scenario.hasModelTurn) + || (REFRESHING && comparesLog) + if (writesSessionFixtures) { + expect(result.sessionLogs.length, `${mode} produced no session log to harvest`).toBeGreaterThan(0) expect(result.sessionLogs.length, `expected ${childSessions + 1} session logs (parent + children)`) .toBe(childSessions + 1) - await writeFile(join(dir, 'session.jsonl'), scrub((result.sessionLogs[0] as HarvestedLog).content)) + const primary = (result.sessionLogs[0] as HarvestedLog).content + await writeFile(join(dir, 'session.jsonl'), scrub( + REFRESHING ? stabilizeRefreshLog(primary, existingFixtures[0] as string, replacements) : primary, + )) for (let i = 1; i < result.sessionLogs.length; i++) { - await writeFile(join(dir, `session.${i}.jsonl`), scrub((result.sessionLogs[i] as HarvestedLog).content)) + const child = (result.sessionLogs[i] as HarvestedLog).content + await writeFile(join(dir, `session.${i}.jsonl`), scrub( + REFRESHING ? stabilizeRefreshLog(child, existingFixtures[i] as string, replacements) : child, + )) } } - await expect(normalizeStdout(result.rawStdout, ctx)) - .toMatchFileSnapshot(join(dir, 'stdout.golden.jsonl')) + const stdout = normalizeStdout(result.rawStdout, ctx) + if (REFRESHING) { + await writeFile(join(dir, 'stdout.golden.jsonl'), stdout) + } + await expect(stdout).toMatchFileSnapshot(join(dir, 'stdout.golden.jsonl')) // A model turn always produces a log worth comparing; a hook scenario can // produce one without a model turn (a `rejected` turn carrying `hook/*`). - const comparesLog = scenario.comparesLog ?? scenario.hasModelTurn if (comparesLog) { // The harvested logs (primary-first) must match their committed fixtures // 1:1. Each side passes through normalizeSessionLog, scrubbed against ITS @@ -307,7 +413,6 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { // reason, and config, but not its bulk content (pinned once, in the // `pinsHeader` scenario). expect(result.sessionLogs.length, 'this scenario must persist a session log').toBe(childSessions + 1) - const fixtureFiles = ['session.jsonl', ...Array.from({ length: childSessions }, (_, i) => `session.${i + 1}.jsonl`)] for (let i = 0; i < fixtureFiles.length; i++) { const harvested = scrub((result.sessionLogs[i] as HarvestedLog).content) const fixture = scrub(await readFile(join(dir, fixtureFiles[i] as string), 'utf8')) diff --git a/packages/support/acp-snapshot/tests/suite.spec.ts b/packages/support/acp-snapshot/tests/suite.spec.ts index 0f47010a19..8e79e367f2 100644 --- a/packages/support/acp-snapshot/tests/suite.spec.ts +++ b/packages/support/acp-snapshot/tests/suite.spec.ts @@ -1,11 +1,18 @@ -import { cpSync, mkdtempSync } from 'node:fs' +import { cpSync, mkdtempSync, readFileSync, writeFileSync } from 'node:fs' import { rm } from 'node:fs/promises' import { tmpdir } from 'node:os' import { join } from 'node:path' import { fileURLToPath } from 'node:url' import { afterAll, describe, expect, it } from 'vitest' -import { defineAcpSnapshotSuite, type Scenario } from '../src/index.ts' -import { childFixturePaths, fixtureContext, headerDeltaCount, normalizedHeaders } from '../src/suite.ts' +import { defineAcpSnapshotSuite, type HarvestedLog, type Scenario } from '../src/index.ts' +import { + childFixturePaths, + fixtureContext, + headerDeltaCount, + normalizedHeaders, + refreshFixtureReplacements, + stabilizeRefreshLog, +} from '../src/suite.ts' /** * Unit tests for the suite factory, by running it: two synthetic suites over @@ -55,16 +62,40 @@ const RECORD_SCENARIOS: Scenario[] = [ { name: 'rec-skip', hasModelTurn: true, recorded: false, overridden: true }, ] -// Record mode mutates its snapshots dir, so run it on a throwaway copy — -// except under the documented bootstrap knob, which regenerates the committed -// fixtures/goldens in place. +// Record/refresh modes mutate their snapshots dir, so run them on throwaway +// copies — except record's documented bootstrap knob, which regenerates the +// committed record fixtures/goldens in place. const BOOTSTRAP = process.env.ACP_SNAPSHOT_SPEC_BOOTSTRAP === '1' const recordDir = BOOTSTRAP ? RECORD_SRC : mkdtempSync(join(tmpdir(), 'acp-snap-record-suite-')) if (!BOOTSTRAP) cpSync(RECORD_SRC, recordDir, { recursive: true }) +const refreshDir = mkdtempSync(join(tmpdir(), 'acp-snap-refresh-suite-')) +cpSync(REPLAY_DIR, refreshDir, { recursive: true }) +staleRefreshFixtures(refreshDir) afterAll(async () => { if (!BOOTSTRAP) await rm(recordDir, { recursive: true, force: true }) + await rm(refreshDir, { recursive: true, force: true }) }) +function staleRefreshFixtures(dir: string): void { + writeFileSync(join(dir, 'plain-turn', 'stdout.golden.jsonl'), 'stale stdout\n') + + const plainBehaviorFile = join(dir, 'plain-turn', 'behavior.json') + const plainBehavior = JSON.parse(readFileSync(plainBehaviorFile, 'utf8')) as Record + plainBehavior.echoEnv = true + writeFileSync(plainBehaviorFile, `${JSON.stringify(plainBehavior, null, 2)}\n`) + + writeFileSync(join(dir, 'blocked-log', 'session.jsonl'), [ + '{"type":"session","id":"99999999-8888-4777-8666-555555555555","createdAt":13,"cwd":"/rec/blocked-cwd"}', + '{"type":"hook/result","seq":1,"time":13,"data":{"decision":"stale","durationMs":99}}', + '', + ].join('\n')) + writeFileSync(join(dir, 'authored-error', 'session.jsonl'), [ + '{"type":"session","id":"77777777-8888-4777-8666-555555555555","createdAt":13,"cwd":"/rec/error-cwd"}', + '{"type":"turn/end","seq":1,"time":9,"data":{"error":"stale"}}', + '', + ].join('\n')) +} + describe('defineAcpSnapshotSuite: replay mode', () => { defineAcpSnapshotSuite({ agent: AGENT, snapshotsDir: REPLAY_DIR, scenarios: REPLAY_SCENARIOS, mode: 'replay' }) }) @@ -75,6 +106,27 @@ describe('defineAcpSnapshotSuite: record mode', () => { defineAcpSnapshotSuite({ agent: AGENT, snapshotsDir: recordDir, scenarios: RECORD_SCENARIOS, mode: 'record' }) }) +describe('defineAcpSnapshotSuite: refresh mode', () => { + defineAcpSnapshotSuite({ agent: AGENT, snapshotsDir: refreshDir, scenarios: REPLAY_SCENARIOS, mode: 'refresh' }) +}) + +describe('defineAcpSnapshotSuite: refresh write-back', () => { + it('rewrites stdout and comparable logs from a replay-mode child run', () => { + const stdout = readFileSync(join(refreshDir, 'plain-turn', 'stdout.golden.jsonl'), 'utf8') + expect(stdout).not.toContain('stale stdout') + expect(stdout).toContain('env:{\\"mode\\":\\"replay\\"') + expect(stdout).not.toContain('\\"mode\\":\\"refresh\\"') + + const blocked = readFileSync(join(refreshDir, 'blocked-log', 'session.jsonl'), 'utf8') + expect(blocked).toContain('"decision":"block"') + expect(blocked).not.toContain('"decision":"stale"') + + const authored = readFileSync(join(refreshDir, 'authored-error', 'session.jsonl'), 'utf8') + expect(authored).toContain('"error":"model exploded"') + expect(authored).not.toContain('"error":"stale"') + }) +}) + describe('defineAcpSnapshotSuite: registration contract', () => { it("throws when a scenario's header class has no pinning scenario", () => { expect(() => { @@ -175,3 +227,56 @@ describe('headerDeltaCount', () => { expect(headerDeltaCount(`${other}\n`)).toBe(0) }) }) + +describe('refreshFixtureReplacements', () => { + it('maps fresh ids and cwd values to the existing fixture values, skipping non-replacements', () => { + const log = (content: string): HarvestedLog => ({ id: 'diagnostic', createdAt: 1, content }) + const logs = [ + log('{"type":"session","id":"","cwd":"/same"}\n'), + log('{"type":"session","id":"new-parent","cwd":"/new"}\n'), + log('{"type":"session","id":"new-child","cwd":"/new"}\n'), + ] + const fixtures = [ + '{"type":"session","id":"","cwd":"/same"}\n', + '{"type":"session","id":"old-parent","cwd":"/old"}\n', + ] + expect(refreshFixtureReplacements(logs, fixtures)).toEqual([ + { from: 'new-parent', to: 'old-parent' }, + { from: '/new', to: '/old' }, + ]) + }) +}) + +describe('stabilizeRefreshLog', () => { + it('keeps volatile fixture fields while preserving fresh meaningful payloads', () => { + const fresh = [ + '{"type":"session","id":"new-child","createdAt":200,"cwd":"/new","parentSession":"new-parent","seedLength":1}', + '{"type":"hook/result","seq":1,"time":22,"data":{"decision":"block","durationMs":37}}', + '{"type":"turn/end","seq":2,"time":33,"data":{"error":"fresh error"}}', + '{"type":"tool/result","seq":3,"time":44,"data":{"text":"new-parent in /new"}}', + '{"type":"hook/result","seq":4,"time":55,"data":{"decision":"allow","durationMs":5}}', + '', + ].join('\n') + const existing = [ + '{"type":"session","id":"old-child","createdAt":100,"cwd":"/old","parentSession":"old-parent","seedLength":5}', + '{"type":"hook/result","seq":1,"time":11,"data":{"decision":"stale","durationMs":99}}', + '{"type":"turn/end","seq":2,"data":{"error":"stale"}}', + '{"type":"assistant/message","seq":3,"time":12,"data":{"text":"different type"}}', + '{"type":"hook/result","seq":4,"time":13,"data":{"decision":"stale"}}', + '', + ].join('\n') + + expect(stabilizeRefreshLog(fresh, existing, [ + { from: 'new-parent', to: 'old-parent' }, + { from: 'new-child', to: 'old-child' }, + { from: '/new', to: '/old' }, + ])).toBe([ + '{"type":"session","id":"old-child","createdAt":100,"cwd":"/old","parentSession":"old-parent","seedLength":5}', + '{"type":"hook/result","seq":1,"time":11,"data":{"decision":"block","durationMs":99}}', + '{"type":"turn/end","seq":2,"time":33,"data":{"error":"fresh error"}}', + '{"type":"tool/result","seq":3,"time":44,"data":{"text":"old-parent in /old"}}', + '{"type":"hook/result","seq":4,"time":13,"data":{"decision":"allow","durationMs":5}}', + '', + ].join('\n')) + }) +}) diff --git a/vitest.snapshot.config.ts b/vitest.snapshot.config.ts index ecc8d911aa..d0a8ce6a54 100644 --- a/vitest.snapshot.config.ts +++ b/vitest.snapshot.config.ts @@ -7,10 +7,14 @@ import { defineConfig } from 'vitest/config' // normalized stdout transcript + re-persisted log against committed goldens. // `pnpm run test:snapshot:record` (DSH_SNAPSHOT=record + -u) re-records the // fixtures against the real API and refreshes the goldens. +// `pnpm run test:snapshot:refresh` (DSH_SNAPSHOT=refresh) stays keyless: it +// replays the committed model scripts and writes the current stdout/log goldens +// without calling the live LLM. // // Replay loads no .env (it must never reach the network — a recorded fixture -// drives the model). Record reads DEEPSEEK_API_KEY from the env or a gitignored -// repo-root .env, so a contributor with a key only in .env can still record. +// drives the model), and refresh uses that same keyless replay path. Record +// reads DEEPSEEK_API_KEY from the env or a gitignored repo-root .env, so a +// contributor with a key only in .env can still record. if (process.env.DSH_SNAPSHOT === 'record') { try { process.loadEnvFile(new URL('.env', import.meta.url).pathname) From 5f7177a0a983b0eb2733605026ee0d9bb4dcdb53 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Fri, 10 Jul 2026 00:55:47 +0800 Subject: [PATCH 63/90] Stabilize workflow worker coverage wait --- .../tests/workflow-workerthread.spec.ts | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index ecaeed61f6..8d623e8a6f 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -17,6 +17,8 @@ function fakeParent(): Agent { /** The vm-context escape hatch, spelled once: real Worker tests use it to make the WORKER misbehave. */ const ESCAPE = "globalThis.constructor.constructor('return process')()" +/** Linux coverage workers can take longer than Vitest's default waitFor timeout to start executing script. */ +const WORKER_CHILD_START_TIMEOUT_MS = 3_000 /** One controllable child run: the test (or auto mode) settles it. */ interface ControlledRun { @@ -572,7 +574,7 @@ describe('dsh-workflow-workerthread', () => { `), parent: fakeParent(), }) - await vi.waitFor(() => { expect(starts).toBe(1) }) + await vi.waitFor(() => { expect(starts).toBe(1) }, { timeout: WORKER_CHILD_START_TIMEOUT_MS }) handle.cancel('stop now') await vi.waitFor(() => { expect(cancelled).toEqual(['stop now']) }, { timeout: 800 }) // The wedged worker's own completion loses to the in-flight cancel. @@ -602,7 +604,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }, { timeout: WORKER_CHILD_START_TIMEOUT_MS }) const before = Date.now() await handle.dispose() // Bounded by the grace (plus the terminate), never by the 1.5s spin. From af242dbae56df6b4092c3dd026e12a1682045256 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Fri, 10 Jul 2026 01:04:06 +0800 Subject: [PATCH 64/90] Preserve snapshot refresh seed boundaries --- packages/support/acp-snapshot/src/suite.ts | 2 +- packages/support/acp-snapshot/tests/suite.spec.ts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/packages/support/acp-snapshot/src/suite.ts b/packages/support/acp-snapshot/src/suite.ts index f97cb82c59..27de939d3d 100644 --- a/packages/support/acp-snapshot/src/suite.ts +++ b/packages/support/acp-snapshot/src/suite.ts @@ -245,7 +245,7 @@ export function refreshFixtureReplacements(logs: HarvestedLog[], fixtures: strin function preserveFixtureVolatiles(record: Record, existing: Record | undefined): void { if (existing === undefined || existing.type !== record.type) return if (record.type === 'session') { - for (const field of ['id', 'createdAt', 'cwd', 'parentSession', 'seedLength'] as const) { + for (const field of ['id', 'createdAt', 'cwd', 'parentSession'] as const) { if (field in record && field in existing) record[field] = existing[field] } return diff --git a/packages/support/acp-snapshot/tests/suite.spec.ts b/packages/support/acp-snapshot/tests/suite.spec.ts index 8e79e367f2..ae01190c01 100644 --- a/packages/support/acp-snapshot/tests/suite.spec.ts +++ b/packages/support/acp-snapshot/tests/suite.spec.ts @@ -271,7 +271,7 @@ describe('stabilizeRefreshLog', () => { { from: 'new-child', to: 'old-child' }, { from: '/new', to: '/old' }, ])).toBe([ - '{"type":"session","id":"old-child","createdAt":100,"cwd":"/old","parentSession":"old-parent","seedLength":5}', + '{"type":"session","id":"old-child","createdAt":100,"cwd":"/old","parentSession":"old-parent","seedLength":1}', '{"type":"hook/result","seq":1,"time":11,"data":{"decision":"block","durationMs":99}}', '{"type":"turn/end","seq":2,"time":33,"data":{"error":"fresh error"}}', '{"type":"tool/result","seq":3,"time":44,"data":{"text":"old-parent in /old"}}', From 3191cb9404f81aa43f7e83ec606cce2e8f0e1b60 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 15:14:17 +0800 Subject: [PATCH 65/90] docs(rfc): propose the approval seam and the subprocess sandbox --- docs/rfc/INDEX.md | 2 + .../feature/2026-07-06-approval-seam.md | 133 +++++++++++ .../proposed/feature/2026-07-06-sandbox.md | 217 ++++++++++++++++++ 3 files changed, 352 insertions(+) create mode 100644 docs/rfc/proposed/feature/2026-07-06-approval-seam.md create mode 100644 docs/rfc/proposed/feature/2026-07-06-sandbox.md diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md index ba2b9d88dc..409e8f42e4 100644 --- a/docs/rfc/INDEX.md +++ b/docs/rfc/INDEX.md @@ -11,6 +11,8 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | [Agent Client Protocol (ACP) support — drive the coding agent from external editors](proposed/feature/2026-06-14-acp-agent-client-protocol.md) | 2026-06-14 | | [Multiplex concurrent ACP sessions over one connection](proposed/feature/2026-06-14-acp-multi-session.md) | 2026-06-14 | | [Pre-tool input rewrite — a consistent design](proposed/feature/2026-06-30-pre-tool-input-rewrite.md) | 2026-06-30 | +| [The approval seam — one-shot permission decisions over a waterfall of answerers](proposed/feature/2026-07-06-approval-seam.md) | 2026-07-06 | +| [The subprocess sandbox — confinement seam, native runners, escalation, and per-session modes](proposed/feature/2026-07-06-sandbox.md) | 2026-07-06 | | [Claude Code and Codex subagent backends (out-of-process delegation to external coding agents)](proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md) | 2026-07-07 | ### Simplification diff --git a/docs/rfc/proposed/feature/2026-07-06-approval-seam.md b/docs/rfc/proposed/feature/2026-07-06-approval-seam.md new file mode 100644 index 0000000000..76defba74e --- /dev/null +++ b/docs/rfc/proposed/feature/2026-07-06-approval-seam.md @@ -0,0 +1,133 @@ +# RFC: The approval seam — one-shot permission decisions over a waterfall of answerers + +Status: proposed + +## Problem + +Two callers need to put one question — "may this specific action proceed?" — to a human, and neither has a channel. `tools/pre-execute`'s `ask` decision (produced today by the Claude-Code hook bridge's `permissionDecision: ask`) degrades to deny because nothing services it. The [sandbox RFC](2026-07-06-sandbox.md)'s escalation phase needs the same channel for its post-denial one-shot retry. Without a shared seam, each would invent its own outcome vocabulary, UI routing, cancellation, and audit trail — and a deployment with no UI at all needs a guarantee that an unanswerable question can never grant anything. + +The routing problem is ownership: an approval prompt must reach the editor session that owns the asking agent (the ACP bridge multiplexes N sessions over one connection), fail closed for agents nobody owns (in-process subagents, tests), and stay out of deployments that compose no UI (headless, CI). + +## Proposal + +One package, `dsh-approval` (`packages/approval/approval`), owning the vocabulary and the `ctx.approval` service — the MECHANISM. The POLICY — who answers, and whether a session is asked at all — lives outside it: answerers are `approval/request` waterfall listeners registered by the plugins that own the channel (the ACP bridge; future terminal UIs; test scripts), and a per-session policy tier can decide before any human is involved. Consumers (`dsh-tools`' ask routing, the sandbox escalation gate) resolve a question to a closed outcome and derive their own tool results from it. Deliberately ONE package, not the capability-seam three (see Alternatives). + +### How a deployment uses it + +One `cordis.yml` entry mounts the seam; not loading it is the opt-out — consumers degrade to their historical fail-closed behavior with zero approval code registered: + +```yaml +- id: approval + name: '@deepseek-ai/dsh-approval' + # config: + # policy: never # deployment default for sessions without an override; 'ask' when omitted +``` + +The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-agent`, as in the `examples/sandbox-acp-agent` composition this design lands with) completes the loop: its bridge registers an answerer that prompts the owning editor session via `session/request_permission`, so a hook's `ask` or an escalation request surfaces as a one-shot Allow/Reject prompt attached to the already-streamed tool call. `policy: never` is the unattended stance — every ask auto-rejects deterministically, stated in the system prompt, no human in the loop. `policy` is validated against the closed list at plugin load; anything else throws. + +What a composed deployment observes: `allowed-once` lets exactly that call proceed; rejection, dismissal, and channel absence deny with three distinct reasons the model can tell apart; every ask lands a durable `approval/asked`/`approval/decided` pair on the asking agent's session log; nothing about a grant persists past the call that asked. + +One ask under this composition, verbatim from the sandbox example's recorded `escalation-approved` scenario — the model requests a sandbox escalation, the gate asks, the bridge prompts the owning editor, the user clicks Allow once: + +``` +tool/call bash {"command": "printf 'escalated\n' > escalated.txt && cat escalated.txt", + "sandbox_permissions": "workspace-write", + "justification": "the user asked to write escalated.txt in the workspace"} +approval/asked {"toolName": "bash", "callId": "call_00_…", + "reason": "escalate sandbox to workspace-write: the user asked to write escalated.txt in the workspace"} + → session/request_permission {"toolCall": {"toolCallId": "call_00_…"}, + "options": [{"optionId": "allow-once", "name": "Allow once", "kind": "allow_once"}, + {"optionId": "reject-once", "name": "Reject", "kind": "reject_once"}]} + ← the user picks "Allow once" on the prompt the editor attaches to the streamed bash call +approval/decided {"outcome": "allowed-once"} +tool/result "escalated" — this one call ran under the wider mode; the grant died with it +``` + +The `escalation-rejected` twin ends in `{"outcome": "rejected"}` instead: nothing executes, and the model's result carries the asker's verbatim fail-closed text (`the user rejected escalating this command to "workspace-write"`). A hook's `permissionDecision: ask` rides the identical wire; only the asker and its deny texts differ (§ Ask routing in dsh-tools). Headless, the same request skips the prompt entirely and settles `unavailable`. + +### Design detail + +#### The seam: mechanism and policy split + +`ApprovalService.request(req)` always resolves to a closed `ApprovalOutcome` — `allowed-once` / `rejected` / `cancelled` / `unavailable` — and never rejects. The service is the mechanism: it dispatches the `approval/request` waterfall, races the request's `AbortSignal` (abort settles `cancelled`; a late answer is discarded, never double-audited), contains a throwing answerer as `unavailable`, normalizes a rogue non-vocabulary return to `unavailable`, and lands the log-only audit pair `approval/asked`/`approval/decided` (paired by the branded `ApprovalRequestId`) on the requesting agent's session log. Grants are one-shot by definition: `allowed-once` authorizes the single asked-about action, never a class of future ones, and the service stores nothing between requests. + +Answerers are the policy, and they are `approval/request` waterfall listeners. The waterfall buys exactly what the seam needs: with zero listeners the dispatch falls through to the caller-supplied default — `unavailable`, so fail-closed needs no configuration and no code in any deployment; a listener that recognizes the request's agent answers by returning an outcome without calling `next()` (the decision slot is single-occupancy, first answer wins — the same documented semantics as the `fs/write-intent` gate); a listener that does not recognize the agent MUST delegate via `next()` so another answerer or the default gets the question; and listeners dispose with their owning fiber, so an unloaded UI plugin degrades the next ask to `unavailable` instead of leaving a dangling channel. Registration order across sibling plugins is not load-order deterministic (the loader starts siblings concurrently), so a deployment composes ONE terminal answerer and reserves `prepend` listeners for decide-or-delegate gates. + +`ApprovalRequest` carries the asking `agent` (routes the question; receives the audit events), the `toolName`, the optional exact `callId`, the asker's human-readable `reason`, and the optional `signal`. The vocabulary is deliberately self-contained — it names the tool-call by the `CallId` brand from `dsh-llm` and never imports `dsh-tools` — because `dsh-tools` depends on `dsh-approval` (the ask routing) and a `ToolCallView` import would close a package cycle. It deliberately does NOT carry tool arguments: a UI answerer attaches the prompt to the already-streamed tool call via `callId` instead of re-rendering the call. + +#### Ask routing in dsh-tools + +`ToolRegistry.execute()` resolves an `ask` decision through the seam before the shared deny path: `allowed-once` proceeds to dispatch, and the three non-grants deny with distinct reasons — "the user rejected…", "…was cancelled", "…no approval channel is available" — so the model can tell a human "no" from an absent channel. The seam is consumed opportunistically (`ctx.get('approval')`, the `tool-bash`/`agent-loop` pattern), not statically injected: a deployment that composes no ApprovalService keeps the historical ask→deny degrade verbatim, an unmount mid-session degrades the same way on the next ask, and the registry's fiber never gates on the seam's presence. An agent-less execution also degrades — without an agent there is no session to audit to and no UI to route to. + +#### The per-session policy tier + +The seam also owns the session-scoped approval policy — the approval knob of the two-knob per-session switching design ([the sandbox RFC](2026-07-06-sandbox.md) § Per-session modes is the pattern's home: one log-only event per knob, a pure fold, THE write path, ACP config-option advertisement, and turn-anchoring). `ApprovalPolicy` is `'ask' | 'never'`, and `effectiveApprovalPolicy(events) ?? Config.policy` (default `'ask'`) decides every request BEFORE any interactive answerer: the service resolves a `'never'` session to `'rejected'` INSIDE `request()`, before dispatching the waterfall at all — no listener registration, including a later `prepend`, can sit ahead of it — while `'ask'` dispatches unchanged (fail-closed `'unavailable'` with nobody composed, exactly the prior behavior). Visibility follows the switching design's two layers with one asymmetry: the prompt section states ONLY `'never'` (deterministic, availability-independent — "you will be prompted" would overclaim in a composition with no answerer, and absence under a logged header is exactly how the narrator reads `'ask'` back), the narrator injects at most one coalesced notice per switch, and the audit pair still lands on every ask, including the policy's auto-rejections. + +#### The ACP answerer + +The bridge registers the first real answerer: it resolves the owning session through its existing `WeakMap` reverse map, issues `session/request_permission` with the request's `callId` as the `toolCall` reference and the one-shot options `allow_once`/`reject_once`, and maps the response — selected `allow-once` → `allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled` → `cancelled`. A request for a foreign agent — or one without a `callId`, since the protocol prompt must attach to a tool call — delegates via `next()`. A rejected RPC (client gone mid-prompt) propagates to the service, which contains it as `unavailable`. Whether a call ASKS at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment. + +The reverse-map ownership seam [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md) laid down is exactly what the answerer routes through, and per-session permission ownership (the blocker recorded in [the multi-session RFC](2026-06-14-acp-multi-session.md)) is what it implements. + +#### Audit, and what the model sees + +`approval/asked` / `approval/decided` are log-only session events (the `hook/invoked`/`hook/result` precedent): durable, replayable, never in the model transcript. The model's entire view of an approval is the tool result the asker derives from the outcome — reconstructability holds because that result is an ordinary logged `tool/result`. One `decided` per `asked`, whatever the outcome, including an already-aborted signal (settled `cancelled` without dispatching) and a contained answerer failure. + +#### Entities and dependencies + +One new package, no cycles: `dsh-approval` peers on `cordis`, `dsh-session` (event-map merge + append), `dsh-agent` (the `Agent` type), `dsh-llm` (`CallId`, via `dsh-brand`). `dsh-tools` and `dsh-acp` each gain a peer edge onto it; the escalation phase's asker lives in `dsh-tool-bash` (see [the sandbox RFC](2026-07-06-sandbox.md) § Escalation), so the sandbox family keeps its ZERO-edge relation (the executor contributes the per-call override mechanism, and transport seams never ask humans questions). The seam is one package, not the capability-seam three: the service body (dispatch + audit) has no replaceable implementation — the replaceable part is the answerer listeners, and those live with their owners (the bridge; future terminal UIs; test scripts). `@cordisjs/plugin-capability` stays orthogonal (a static grant registry answers "is this already authorized", not "ask the user now"), and `subagent-acp`'s child-side `permission` auto-answer is untouched — routing a child's approvals to the parent session remains an explicit future design. + +### Testing + +Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. + +Snapshot tier: the harness accepts scripted permission answers (`permissionAnswers` in a scenario's `input.json`, consumed FIFO; an unscripted prompt answers `cancelled`, fail closed). The seam's wire is recorded end to end in the sandbox example's suite: both escalation branches drive `session/request_permission` through this seam over scripted answers (grant and rejection), and the recorded `mode-switching` scenario pins the `'never'` prompt sentence and the policy-switch notice ([the sandbox RFC](2026-07-06-sandbox.md) § Testing). A hook-driven recorded `ask` (extending the hook matrix's `hook-cc-pretool-ask` with a mounted ApprovalService) remains undone; its deny texts are pinned verbatim at the unit tier. + +## Alternatives considered + +- **A single registered provider instead of waterfall listeners** — rejected: a `registerProvider()` surface forces every composition question — allowlist pre-filters, external hook deciders, scripted test answers, a policy gate in front of a human — inside one provider implementation. The waterfall gets composition, fail-closed absence, and HMR disposal from machinery the runtime already has; the seam's JSDoc pins the single-decision-slot convention instead of inventing a provider registry. +- **[The ACP support RFC](2026-06-14-acp-agent-client-protocol.md)'s inline `tools/pre-execute` permission gate** — rejected, and superseded by this seam: prompting for every bridge-owned call hardwires the asking POLICY into the UI plugin, cannot serve a second asker (sandbox escalation happens after execution starts, with no pre-execute moment), and leaves hooks' `ask` — the vocabulary the interception seams already ship — unserviced. +- **A generic user-interaction seam (`ctx.userInteraction`) instead** — rejected: the two share a skeleton (route by agent, block for a human, handle absence), but approval's contract is narrower in every dimension that matters: a closed outcome vocabulary instead of free text, a protocol-native prompt attached to a tool call instead of a generic form, mandatory fail-closed absence, and audit events. If a generic seam lands later, sharing provider plumbing can be evaluated then. +- **Static optional injection in `dsh-tools`** — rejected: the vendored cordis `Inject` type has no optional flag — the object form maps service names to intercept config, and a declared inject gates the fiber. `ctx.get('approval')` is the documented opportunistic-consumption pattern (the `tool-bash` owner-token lookup, the loop's persistence probe), reads presence per call, and degrades correctly across HMR without extra machinery. +- **The capability-seam three-package split** — rejected: interface/implementation/consumer fits a seam whose implementation is swappable (bash-local vs bash-sandbox). Here the service body is fixed mechanism and the variable part is listeners that live with their owners — splitting would manufacture an implementation package with nothing in it ("don't split preemptively"). +- **Offering `allow_always` now** — rejected: the protocol can express it, but honoring it means designing grant storage, scope identity (call? path? prefix? session? time window?), and revocation. Advertising an option the harness cannot honor manufactures doomed grants; it stays an open question in the sandbox RFC. + +## Acceptance criteria + +- With an ApprovalService and an answerer composed, a hook's `ask` reaches a human and `allowed-once` dispatches the tool; every other outcome denies with its distinct reason. +- A `'never'` session auto-rejects every ask without prompting anyone, states the policy in its prompt, and narrates switches (the shared switching mechanics are [the sandbox RFC](2026-07-06-sandbox.md)'s acceptance criteria). +- Every unanswerable path fails closed to `unavailable`: no service (degrade, verbatim historical text), no listener, a foreign or agent-less request, a throwing answerer, a rogue return value, a dead client connection. +- Every `request()` lands exactly one `approval/asked`/`approval/decided` pair on the asking agent's log, replayable, invisible to the model transcript. +- Prompts route per-session through the bridge's ownership map; one session's prompt can never reach another session's editor. +- A deployment that composes nothing new behaves byte-identically (the snapshot suite's goldens are unchanged). + +## Risks + +- **Two decide-eager answerers race for the slot.** Sibling-plugin listener order is not deterministic, so the seam cannot referee competing terminal answerers — mitigated by convention (one terminal answerer per deployment; `prepend` only for decide-or-delegate gates) rather than a priority mechanism the event bus does not have. +- **Production exercise rests on one composition.** `ask` has two producer families — the hook bridges through `tools/pre-execute`, and sandbox escalation through its own gate — with the wire recorded in the sandbox example's snapshot suite, so the seam's real-world coverage is that one composition until more deployments compose it. +- **Ownership keys on `Agent` object identity.** The answerer resolves sessions through the bridge's existing WeakMap; every current path hands the same object through the loop and the seams, but a future boundary that clones or proxies agents would make the bridge delegate and fail closed — safe, but silently UI-less — and would need session-id matching instead. + +## FAQ + +Behavioral and usage questions only — every "why not X?" design question lives in [Alternatives considered](#alternatives-considered), whose job is exactly that. + +- **What happens in a deployment with no answerer at all (headless, CI)?** Every ask falls through the empty waterfall to `unavailable` and the tool call denies with the "no approval channel is available" reason. Fail-closed is the zero-listener default, not a configuration. +- **Can a grant persist — "always allow this"?** No. `allowed-once` authorizes the single asked-about action and the service stores nothing between requests; `allow_always` is deliberately not advertised until grant storage is designed. +- **What does the model see of an approval?** Only the tool result the asker derives from the outcome — the audit pair never enters the transcript. The three non-grant reasons are distinct, so the model can tell a human "no" from a dismissed prompt from a missing channel. +- **Who decides whether a call asks in the first place?** Policy producers: a hook returning `permissionDecision: ask`, any `tools/pre-execute` listener, or the sandbox escalation gate. The seam and the bridge only route and answer; neither injects its own judgment about what deserves a prompt. +- **What happens when the user dismisses the prompt, or the turn aborts mid-ask?** Dismissal maps to `cancelled` with its own deny text. An already-aborted signal settles `cancelled` without dispatching; an abort during the ask discards the late answer — one audit pair either way, never two. +- **What if the client answers with an option the harness never offered?** Any selection other than the offered `allow_once` maps to `rejected` — an unknown optionId from a non-conforming client can never grant. +- **How do subagents' approvals route?** An agent no answerer owns delegates through the whole waterfall and fails closed — in-process subagents are unanswerable today by design. `subagent-acp`'s child-side auto-answer is untouched; routing a child's asks to the parent's editor is an explicit future design. +- **What does `policy: 'never'` actually change at runtime?** The service resolves every ask for that session to `rejected` before dispatching any answerer (in-service, so no registration order can bypass it); the system prompt states the policy; switches are narrated at boundaries; the audit pair still lands for every auto-rejection. +- **What happens across a hot reload, or when the UI plugin unloads mid-session?** Answerers dispose with their owning fiber, so the next ask degrades to `unavailable` instead of hanging on a dead channel; remounting re-registers the answerer with no catch-up state. +- **Where does the user see what they are approving?** On the tool call itself: the prompt attaches to the already-streamed call via `callId` — arguments included — and adds the asker's human-readable `reason`; the request carries no argument copy of its own. + +## Prior art + +In-repo precedents this design copies or contrasts with: + +- The `fs/write-intent` gate (`packages/fs/fs/`) — the documented single-occupancy decision-slot waterfall semantics (first answer wins, delegate via `next()`) the answerer contract reuses. +- `hook/invoked`/`hook/result` — the log-only audit-pair precedent `approval/asked`/`approval/decided` follows; [the hook-bridges RFC](../../implemented/feature/2026-06-30-hook-bridges.md) ships `permissionDecision: ask`, the first producer. +- [The interception-seams RFC](../../implemented/feature/2026-06-30-interception-seams.md) — the `tools/pre-execute` `allow`/`deny`/`ask` vocabulary whose `ask` this seam services. +- [The ACP support RFC](2026-06-14-acp-agent-client-protocol.md) — the `WeakMap` ownership seam the answerer routes through; [the multi-session RFC](2026-06-14-acp-multi-session.md) — the per-session permission-ownership blocker this implements. +- The opportunistic `ctx.get()` consumption pattern (`tool-bash`'s owner-token lookup, the loop's persistence probe) — how `dsh-tools` consumes the seam without gating its fiber on it. diff --git a/docs/rfc/proposed/feature/2026-07-06-sandbox.md b/docs/rfc/proposed/feature/2026-07-06-sandbox.md new file mode 100644 index 0000000000..7a9f514fb3 --- /dev/null +++ b/docs/rfc/proposed/feature/2026-07-06-sandbox.md @@ -0,0 +1,217 @@ +# RFC: The subprocess sandbox — confinement seam, native runners, escalation, and per-session modes + +Status: proposed + +## Problem + +A coding agent needs this product path: bash subprocesses — and the hook commands that ride them — execute under a restricted file sandbox by default; if and only if the sandbox actually denies an operation, the model may request one user approval for that same operation and, once granted, retry it once with wider permissions. An every-tool boundary is deliberately NOT the claim: fs/web/todo execute in-process where an `execve` wrapper is meaningless (§ In-process tools), and the cross-family boundary is staged follow-up work (§ Deferred phases). Without a shared vocabulary, every tool reinvents approval fields, denial parsing, retry matching, and permission-state hints. + +The harness is an SDK, so confinement must be a capability developers COMPOSE: whether to sandbox, and which backend per platform, belongs in the leaf `cordis.yml` as a first-class entry — not inside one executor's private machinery. And the first-choice runner, `bwrap`, is unusable on exactly the hosts a sandbox matters most (minimal containers, disabled unprivileged userns, LSMs that deny `mount`), so a fallback runner has to ship with the SDK rather than be assumed on the host. + +Confinement alone leaves two gaps. A denial with no escalation path is terminal — the model can only give up, which pressure-cooks operators into configuring `workspace-write` or `danger-full-access` globally and defeats the sandbox. And the model-visible knobs (the sandbox mode, the approval policy) change over an agent's lifetime — an ACP user flips a per-session setting, an operator edits `cordis.yml` while the process is down — while the model must never act on a stale belief about them: what IS the state on every request, what changed while the agent lives, and what changed while nobody was watching all need answers. + +## Proposal + +One seam, one per-platform chain of local backends, one consumer, and two levers on top: a per-call escalation path and per-session runtime modes. Everything below composes from the leaf `cordis.yml`; nothing touches `agent-loop`. The scope is deliberately bounded: the phases this RFC names but does not design — per-session workspace root, cross-family fs enforcement, the `subagent-acp` consumer, more environments, a Windows chain — are listed under § Deferred phases, each a follow-up design, not a config knob. + +### How a deployment uses it + +Three `cordis.yml` entries turn an unconfined coding agent into the sandboxed product path; the `examples/sandbox-acp-agent` composition this design lands with is exactly this tree: + +```yaml +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' # the per-platform runner provider (ctx.sandbox) +- id: bash + name: '@deepseek-ai/dsh-bash-sandbox' # the confined executor, replacing dsh-bash-local behind ctx.bash + config: + mode: read-only # the deployment default every session starts from + workspaceRoot: !!js process.cwd() # the boundary workspace-write may write under +- id: approval + name: '@deepseek-ai/dsh-approval' # the escalation gate's channel (the approval RFC) +``` + +The swap is invisible to every consumer of `ctx.bash`: the bash tools, hook commands, and background tasks run exactly as before, spawned through the wrapped argv the provider returns. Deleting the `sandbox` and `bash` entries and loading `@deepseek-ai/dsh-bash-local` instead is the opt-out — execution is unconfined again and the escalation fields vanish from the tool schema, because they are capability-gated on the mounted executor, not on configuration. Omitting only `approval` keeps confinement but fails every escalation closed with its own error text. + +Misconfiguration fails loud: `mode` outside the closed vocabulary is rejected at plugin load, and a host with no usable backend throws the structured `SANDBOX_UNAVAILABLE` — at `confine()` before the command ever spawns — rather than degrading to unconfined execution. `runnerCommand` on `dsh-sandbox-local` is the operator's explicit assertion of a bwrap-compatible runner (chain and probes skipped); it doubles as the deterministic fake-runner seam for keyless tests. + +What the model then experiences: denied file effects come back as result facts with a `[sandbox: file access denied under mode]` marker plus standing instructions not to retry around them; when a wider mode exists, the schema offers `sandbox_permissions` + `justification` for the one-approval escalated retry; the system prompt deliberately does NOT state the sandbox mode — the model learns the boundary from the marker (which names the mode) when it hits it, instead of preemptively refusing work a standing declaration discourages. What an ACP editor experiences: a `sandbox-mode` and an `approval-policy` config-option select per session (each advertised only when its knob is composable), switchable at runtime; a sandbox switch simply changes what subsequent commands may do, while an approval-policy switch to `'never'` is stated in the prompt and narrated. + +The product path, concretely (the escalation arc is verbatim from the recorded `escalation-approved` scenario; the denial leg is pinned on the real-kernel e2e tier): + +``` +tool/result … [sandbox: file access denied under read-only mode] ← the write RAN; the kernel refused it +tool/call bash {"command": "printf 'escalated\n' > escalated.txt && cat escalated.txt", + "sandbox_permissions": "workspace-write", + "justification": "the user asked to write escalated.txt in the workspace"} + → the editor is prompted on this very call (session/request_permission through the approval seam); Allow once +tool/result "escalated" — THIS call ran under workspace-write and its result facts say so; the session stays read-only +``` + +Reject instead and nothing executes: the result is the verbatim `the user rejected escalating this command to "workspace-write"`, and the teaching makes that final — no re-ask. + +### Design detail + +#### Grounding — verified against the code + +- Runtime OS subprocesses exist at exactly two sites: the `ctx.bash` seam's single spawn (`packages/bash/bash-local/src/run.ts`; hook commands flow through `ctx.bash`, so bash confinement covers them transitively) and `subagent-acp`'s child agents (`packages/subagent/subagent-acp/src/run.ts`) — the second consumer that makes a shared seam due rather than preemptive under the [capability seams RFC](../../implemented/architecture/2026-06-13-capability-seams.md)'s "don't split preemptively" rule. +- Everything else executes inside the harness process (fs is in-process `node:fs`, web is in-process `fetch`, every `ToolDefinition.execute()` closes over `ctx`): an OS sandbox wraps `execve` and cannot wrap an in-process function call, so "sandbox any tool" is policy at each tool's seam, never a mechanical transport change. +- `tools/pre-execute` (`allow`/`deny`/`ask`) exists, with `ask` serviced by [the approval seam](2026-07-06-approval-seam.md); the fs intent gates are version guards with no mode input yet. +- `dsh-bash`'s request/spec split (`BashExecRequest` → `resolve()` → `BashExecSpec`) carries per-call fields the way escalation needs — `owner` is the template: request-optional, spec required-but-nullable, carried verbatim — and the result types already speak `SandboxMode`, so a per-call policy field adds no dependency edge. +- The pinned-header snapshot design means a schema/description change churns at most one pinning fixture per suite, and the escalation fields are advertised only under a sandboxing executor — so they live in exactly one pinned header, the sandbox example suite's `mode-switching` fixture. + +#### The seam: `ctx.sandbox` + +`dsh-sandbox` owns the vocabulary and the `SandboxProvider` contract: `confine(argv, policy)` returns the argv to spawn INSTEAD of the caller's own — wrapped so the process and everything it spawns run confined — plus the `enforcement` completeness the selected backend achieves, its denial dialect (`denialSignatures`, the stderr substrings that backend's kernel prints on a denied file effect), and its runner-failure dialect (`runnerFailureSignatures`, how the runner ITSELF failing — and therefore the command never running — identifies itself); with no usable backend it throws the fail-closed `SANDBOX_UNAVAILABLE` error, never a silent unconfined passthrough. The vocabulary: `SandboxMode` (`read-only` / `workspace-write` / `danger-full-access`, FILE effects only — network and process visibility are not claimed), `SandboxEnforcement` (`full` / `partial`), `SandboxPolicy` (mode + workspace root). + +Policy rides each CALL, not the provider: two consumers may confine under different policies at the same instant (bash under `read-only` while a confined child agent keeps its state directory writable), and an approved escalated retry is a new call with a wider policy — inexpressible under a config-fixed provider mode. + +The seam confines SAME-WORLD subprocesses only: a backend shares the host's filesystem and kernel. Containers, microVMs, and remote executors are NOT backends of this seam — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups, because an agent whose bash runs in a container while its fs tools write the host lives in two split worlds. + +Left open, for the phase that needs them: whether network restriction arrives as a separate `network_mode` or merges into `sandbox_mode` once a runner enforces both, and whether `SandboxPolicy` grows extra writable-root grants now (the launcher already speaks `--rw `) or only when escalation needs them. + +#### Local backends and the shipped launcher + +`dsh-sandbox-local` selects BY PLATFORM, once per lifetime, and caches the verdict: each platform names its runner chain, a chain of one is selected directly — probing arbitrates between candidates, and a sole candidate leaves nothing to arbitrate — and a chain of several is probed FUNCTIONALLY in preference order (build and enforce a real profile, never `--version` — a present-but-unusable `bwrap` must fail its probe). Linux: `bwrap` first (its mount profile is closest to the mode vocabulary: whole tree read-only, fresh `/dev`+`/proc`, `workspace-write` adds an ephemeral `/tmp` and rebinds the workspace root; deliberately no `--unshare-pid` and no network claim), else the npm-distributed `landlock-run` Landlock launcher. darwin: `sandbox-exec` speaking a Seatbelt (SBPL) profile — allow-default with `(deny file-write*)` plus write allow-lists, every granted root canonicalized because Seatbelt matches resolved paths (`/tmp` IS `/private/tmp`) — unprobed, the sole candidate. A platform with no chain fails closed at `confine()`; an unprobed runner that turns out unusable fails closed at EXECUTION instead — it refuses to run the command, and every wrap carries `runnerFailureSignatures` (the runner's own error prefix, which also matches the shell's runner-not-found message) so the consumer classifies that as a SANDBOX failure, never a task failure: on either path the command neither runs unconfined nor slips through as a plain failure. A non-empty `runnerCommand` config is the operator's assertion of a runner that fully enforces the bwrap-shaped profile — chain and probes skipped; it doubles as the deterministic fake-runner seam for keyless tests. It is not exempt from fail-closed execution: its wrap carries argv0-scoped outer-shell failure shapes (`exec: : not found`, `: No such file or directory`, `: Permission denied`) as its runner-failure dialect, so a missing or unexecutable configured runner classifies as a sandbox failure like every other rung — never as a failing command, and never as a denial. + +The launcher is a ~300-line C program (plain C11 over the raw Landlock UAPI — no libraries beyond a statically linked musl, so the audit surface is that one file plus the kernel's stable syscall contract): `--ro ` / `--rw ` grants, `--`, the wrapped argv; it installs the ruleset on itself and `exec`s (rulesets are inherited across `execve`, and it sets `no_new_privs` before restricting); `--probe` enforces a maximal ruleset in a short-lived child and exits 0 only when the kernel actually enforces; launcher failures exit 125 without exec'ing. + +The launcher lives in its own repository and reaches the harness as the npm package family [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) (the per-platform-package pattern of `node-addon-require-builtin` and esbuild): an entry package — `dsh-sandbox-local`'s one runtime dependency — plus per-platform binary packages selected at install time by npm's `os`/`cpu` fields. The entry package owns the launcher's CLI contract end to end (`launcherPath()` resolution with a never-existing fallback, the functional `probe()`, `grantArgs()` flag spelling), versioned together with the binary so probe-report parsing can never drift against it; the harness keeps only the policy side, `landlockProfileArgs()` mapping the mode vocabulary to grants. Native-only per-architecture builds, pack gates (binary presence, executability, ELF architecture), and the byte-pinned publish rehearsal are that repository's release pipeline; this repo's Landlock CI legs install the published family from the registry — the true consumer path — and prove real-kernel confinement through it. + +Profile parity is honest rather than identical: under Landlock, `read-only` grants `--ro /` plus `--rw /dev/null` (the node, not `/dev` — the host's `/dev/shm` is a persistent shared tmpfs), and `workspace-write` grants the HOST `/tmp` where bwrap's is ephemeral; under Seatbelt, `read-only` likewise grants only the `/dev/null` literal, and `workspace-write` grants the host `/tmp` plus the per-user darwin temp dir (`os.tmpdir()` — the platform's real temp area for mkstemp-family tools; omitting it would deny what the mode promises). Every wrap carries the rung's denial dialect (`denialSignatures`: EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt) so consumers match the active backend rather than a cross-runner union. Enforcement is honest per ABI level: an older kernel enforces the subset its ABI governs (path truncate is ungoverned before ABI v3), the probe's report line distinguishes the cases, and every confined result carries the structured `enforcement: 'full' | 'partial'` fact — refusing partial enforcement would deny the fallback to precisely the older-kernel hosts that need it. The bwrap and Seatbelt profiles govern every promised file effect by construction, so their passing probes always report `full`. + +#### The bash consumer + +`dsh-bash-sandbox` extends `LocalBashExecutor` (spawn mechanics, process-group kills, spill files, background tasks, credential scrub inherited verbatim) and hands `ctx.sandbox` the exact `['bash', '-c', command]` argv it is about to spawn. A sandbox denial is a RESULT FACT, not an error: the command RAN and the kernel refused a file operation, so `result.sandbox.denied` is orthogonal to `exitCode`/`signal`. Classification is conservative text inference over the collected stderr tail against the WRAP's own dialect, so a backend is never credited with a denial text its kernel does not speak (bare EPERM under a Linux runner names non-file boundaries the mode vocabulary does not govern); the known residual false positive is non-sandbox text in the active dialect (an ssh auth failure under Landlock, a refused `kill` under Seatbelt), and a structured runner signal wins once one exists. A RUNNER failure is the opposite of a denial and outranks it in classification (a runner's error text can itself contain denial words): the wrap's `runnerFailureSignatures` matching a failed run means the sandbox broke and the command NEVER RAN — the foreground path re-throws it as the structured `SANDBOX_UNAVAILABLE` error (the late twin of the confine-time throw, carrying the runner's first stderr line), a settled background task stamps `sandbox.runnerFailed` and `bash_output` renders its own marker — so a broken sandbox can never read as a failing command. + +The model's view is result facts only: the static tool description explains the denial marker (`[sandbox: file access denied under mode]`), encourages attempting commands that may be denied, and forbids retrying around a denial; when the escalation fields are advertised, a denied result additionally carries the escalation hint itself, so the sanctioned same-turn retry is prompted at the decision point rather than depending on the model recalling the description (§ Escalation). No prompt section states the sandbox mode (§ Per-session modes). + +#### Escalation: one approved wider retry after a denial + +The seam level is mechanism only. `BashExecRequest` gains `sandboxMode?: SandboxMode`, an explicit per-call policy input; `BashExecSpec` carries it required-but-nullable (the `owner` pattern: a forgotten field is a visible `undefined`, and `resolve()` is the one explicit defaulting step); `BashExecutor` gains the capability fact `get sandboxMode(): SandboxMode | undefined` — `undefined` in the base class, the configured mode in `SandboxBashExecutor` — so the tool layer can advertise only what the mounted executor honors: composition truth, not configuration. The seam honors ANY explicit mode, including a narrower one; the wider-only ladder is escalation policy and lives in the tool. A non-sandboxing executor (`dsh-bash-local`) carries the field verbatim and confines nothing — the field reaching it means the caller bypassed the tool's gate, and its honest behavior stays unconfined execution, not a guess at enforcement it does not have. + +`SandboxBashExecutor.resolve()` stamps the effective mode — escalation grant > session override > configured default — so `run()`/`start()` read the spec, never the config. The `danger-full-access` branch, the confine call, and the result facts all key off the spec's mode, and the per-task facts map carries each task's mode alongside its wrap facts (`notifyTaskDone()` stamps from the map entry): one escalated call — foreground or background — reports the mode it ACTUALLY ran under while every neighbor keeps its own. + +The tool gate advertises two extra parameters exactly when `ctx.bash.sandboxMode` reports a confining mode at registration: `sandbox_permissions`, an enum of exactly the modes STRICTLY WIDER than the executor's default (`read-only` → `workspace-write`/`danger-full-access`; `workspace-write` → `danger-full-access`; `danger-full-access` → nothing, so the fields vanish), and `justification`, required together with it. The schema makes a non-widening request inexpressible. An escalating call resolves approval BEFORE anything executes — no `ctx.approval` composed, or no agent on the execution, fails closed with its own text; otherwise `ctx.approval.request({ agent, toolName: 'bash', callId, reason, signal })` with the audit-self-contained reason `escalate sandbox to ${mode}: ${justification}`, while the UI attaches the prompt to the already-streamed call (the command is visible there; the approval RFC's no-arguments rule holds). The four outcomes map to distinct results: `allowed-once` stamps `sandboxMode` onto the bash request and proceeds; `rejected`, `cancelled`, and `unavailable` each produce their own error text, so the model can tell a human "no" from a dismissed prompt from a missing channel. The grant is consumed by the very call that asked; nothing is stored. + +The tool description teaches — and a denied result itself prompts — the SAME-TURN flow when the fields exist: on a denial a wider mode would cure, escalate immediately in that turn by retrying the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification`, without detouring through chat to ask first — the approval prompt raised by the retry IS how the user consents. Never preemptively; a rejected escalation is final for that command. "Only after a real denial" is deliberately model discipline plus human judgment, not harness bookkeeping — the human sees the exact command and justification on the prompt (see Alternatives for why hard-matching is rejected). No new session events anywhere: the attempt is an ordinary `tool/call` whose logged arguments carry the two fields, the decision is the approval seam's `approval/asked`/`approval/decided` pair, the outcome is an ordinary `tool/result` whose sandbox facts name the mode it ran under. The asker lives in `dsh-tool-bash`, NOT the executor: a transport seam has no `agent`, no `callId`, and no business asking humans questions. + +Left open, recorded for the phase that picks them up: what a grant's scope identity is beyond the sandbox mode — the exact call, a path, a command prefix, the session, a time window — the question `allow_always` grant storage must answer before that option can be advertised; how cancellation behaves while an approval prompt is pending; and how escalation is defined for `run_in_background` denials that arrive via `bash_output`. + +#### Per-session modes: the session log as the store + +``` +effective(session) = findLast(the session's own knob events)?.value ?? the composition-config default +``` + +The default is composition config (`cordis.yml`) — operator-owned, process-wide. A runtime switch is a SESSION-SCOPED override recorded as one log-only event in that session's own log. Restart immunity (resuming a session replays its log, so overrides come back with zero catch-up machinery) and multi-session isolation (one editor tab's `workspace-write` cannot disturb another's `read-only`) both fall out by construction, and no external config store exists anywhere. + +**One event per knob, owned by its domain** — the merge-extensible `SessionEventMap` idiom every existing event family already follows (`approval/*` in `dsh-approval`, `hook/*` in the hooks packages): + +```ts +interface SessionEventMap { + 'bash/sandbox-mode': { mode: 'read-only' | 'workspace-write' | 'danger-full-access' } + 'approval/policy': { policy: 'ask' | 'never' } +} +``` + +Each owner exports the same three-piece kit: the event declaration, a pure fold (`effectiveSandboxMode(events)` / `effectiveApprovalPolicy(events)` — a `findLast`, typed to the domain's closed union), and THE write path (`setSandboxMode(session, mode)` / `setApprovalPolicy(session, policy)` — a switch IS its event; nothing mutates state out of band). No shared owner service, no generic facts map, no registry: a third knob copies the ~40-line pattern into its own package. Execution follows the fold on both sides — the bash tool's per-call stamp reads it as the middle rung of the § Escalation precedence chain, and the approval seam's `'never'` gate is [the approval RFC](2026-07-06-approval-seam.md)'s side of the same pattern. + +**Visibility is deliberately asymmetric between the knobs.** The SANDBOX mode is stated nowhere and its switches are not narrated: a standing "you are read-only" declaration teaches the model to refuse preemptively (observed in manual sessions: turns where the model would not even attempt a write it could have escalated), while the denial marker already names the mode the command ran under at exactly the moment the boundary matters — behavior, not belief, carries the state, and a switch simply changes what the next command does. The APPROVAL policy keeps both layers, because its failure mode is the opposite: an auto-rejected ask under `'never'` returns "the user rejected …" wording no behavior can disambiguate, so the prompt states `'never'` (and ONLY `'never'` — an `'ask'` promise is unknowable without asking, and absence under a logged header is how the narrator reads `'ask'` back), and an `agent/pre-step` narrator injects at most one coalesced notice per policy switch: idle flip-flops collapse to one notice at the next turn's first step, a net-zero round trip to none, and a mid-turn change is narrated no later than the next step. Its "last told" is in-memory with a log-derived fallback (the folded header's system text parsed against the closed candidate sentence; LAST occurrence wins, so a persona quoting it cannot shadow the real section), so restarts lose nothing; attribution is positional (a knob event after the log's last `request/header*` reads `changed by the user`, a drift with no such event reads `changed by the operator/config`). + +**The editor surface** is protocol-native [Session Config Options](https://agentclientprotocol.com/protocol/session-config-options) — the spec's replacement for session modes (slated for removal in ACP v2), already SDK-typed. The bridge advertises one independent `select` per composable knob — `sandbox-mode` (category `mode`) iff the mounted executor confines, `approval-policy` iff the approval seam is composed — with `currentValue` folded from each session's own log, in `session/new` and `session/load` responses. `session/set_config_option` validates against the same closed lists, routes to the domain setter, and returns the complete refreshed state (the spec contract). + +**Anchoring: turn-enclosure is the commit boundary.** The turn-enclosure contract makes a bare between-turns append invalid (the JSONL backend treats a post-`turn/end` tail as crash garbage; dev invariants throw). A switch while a turn is open appends immediately — openness read from the LOG (last boundary event is `turn/start`), not `agent.status`, which stays `running` between queued turns. An idle switch is held on the bridge's session record and anchored at the next turn's `agent/prompt-submit` — inside the turn, before anything in it assembles or executes, last write per knob, and OUTSIDE any `session/event` emit (appending from inside that feed reorders events for later-registered listeners — a bug the dev invariants caught live). Until anchored, the switch exists only in bridge memory: responses overlay it truthfully, and a crash before the next turn reverts it — `session/load` then reports the fold's truth, so the editor UI self-corrects rather than lies. + +#### In-process tools + +fs/web/todo execute in-process, so their sandbox semantics are policy at their seams: the fs intent gates deciding by the shared mode vocabulary (§ Deferred phases, cross-family) make `read-only` a real boundary instead of a bash-only approximation — until then the contract says so honestly. No generic per-tool sandbox runtime: a host-mediated tool leaves the process only by returning declarative effects the host validates, which is a rewrite, not a wrapper. + +#### Deferred phases + +Each phase gets its full design when picked up, validated against the code at that time. + +- **Per-session workspace root** — the executor's write boundary stays config-fixed for its lifetime while each ACP session has its own cwd; a per-session root rides the same per-call policy carrier once designed. +- **Cross-family boundary** — the fs intent gates decide by the shared mode, making `read-only`/`workspace-write` real boundaries beyond bash. +- **Second consumer** — `subagent-acp` optionally confines child agents (per-call policy; unconfined default — a child agent must write its own persistence). +- **More environments** — an environment-coherent capability group example (e.g. bash+fs against one container). +- **Windows chain** — `PLATFORM_CHAINS.win32` is reserved and empty (fail-closed); filling it means a confinement runner from the AppContainer/restricted-token family, shipped from its own repository on the `node-addon-landlock-run` template, plus its profile dialect and denial/runner-failure signatures. + +### Testing + +- Unit tier (no real runner anywhere): profile dialects, per-platform chain selection (sole candidate unprobed, no chain fails closed, multi-candidate probe order), verdict caching, the fail-closed end, probe-report parsing, and the launcher/`sandbox-exec` CLI contracts via fake runner scripts in `dsh-sandbox-local`; wrapping, policy hand-off, fact stamping, and runner-failure-outranks-denial classification (foreground throw, background `runnerFailed` fact) against a fake provider in `dsh-bash-sandbox`; the error's structured identity in `dsh-sandbox`. The escalation matrix spans the three bash packages: verbatim carry-through in `dsh-bash-local`, stamp/branch/per-task-facts in `dsh-bash-sandbox`, and the capability gate, `justification` pairing, fail-closed texts (pinned verbatim), and grant stamping in `dsh-tool-bash`. The switching surface pins the folds, the stamping precedence, the `'never'` gate, per-session section rendering, the full narrator matrix (cold start, coalescing, net-zero, resume drift with operator wording, positional attribution, persona-shadow hardening), and the bridge's advertisement gating, validation rejections, idle-vs-mid-turn anchoring (dev invariants mounted), and `session/load` reporting over a real two-process JSONL round trip. +- Keyless real-runner e2e, split along the seam and per rung: CI's `sandbox-e2e` matrix runs bwrap and Landlock on Linux (the Landlock leg once per architecture, each confining through the registry-installed launcher) and Seatbelt on macOS against real kernels, failing on a silent all-skip. World-proofs live in `dsh-sandbox-local` (denied writes absent on disk, workspace writes landing, temp-area grants pinned, kernel denial text matching the advertised dialect) and `dsh-bash-sandbox` (the through-`ctx.bash` consumer proofs, including denied-then-overridden-write-lands). This package's own publish path is rehearsed without publishing (`packed-install.e2e.ts`): `pnpm pack`, tarballs installed into a throwaway consumer with the launcher family resolving from the registry, plain `node` confining through the INSTALLED launcher — asserted executable apart, so a mode-stripped binary can never masquerade as a non-enforcing kernel. The switching surface has its own keyless e2e (`examples/sandbox-acp-agent`): the real `cordis.yml` tree advertises both options, honors switches end to end, and rejects out-of-vocabulary values. +- With-key e2e (`examples/sandbox-acp-agent/tests/escalation.e2e.ts`): real model + real runner + the REAL bridge answerer, world-verified — denied under `read-only`, escalates with justification, the scripted editor grants and the retried write lands on disk, while a rejected escalation leaves no write. Self-skips without `DEEPSEEK_API_KEY` or a usable runner (e2e.yml installs bubblewrap so it actually executes in CI). +- Snapshot tier (`examples/sandbox-acp-agent/tests/acp.snapshot.ts`): the keyless config-option wire; the recorded mode-switching arc as the suite's pinned header — necessarily, since mid-session switches emit the `request/header-delta`s the uniformity guard licenses only in the pin — committing both switches, the prompt-section delta and one "changed by the user" notice per knob, and a confined write landing under the switched mode; and both recorded escalation branches over scripted `permissionAnswers` (grant runs confined under `workspace-write`; rejection executes nothing and pins the fail-closed text). Replay re-executes every fixture's bash calls under the host's real runner (ci.yml's snapshot lane installs bubblewrap). Deliberately absent: a fixture carrying a real DENIAL — denial stderr is the backend's dialect and would pin a fixture to its recording platform; the escalation prompts assert the prior denial instead, and the denial→marker path stays on the tiers above. + +## Alternatives considered + +- **Command-string heuristic preflight** — rejected: cannot understand expansion/subprocesses/symlinks; the strict attempt (run it, let the kernel decide) is the only trustworthy denial signal. +- **Functionally probe even a platform's sole backend** — rejected: probing arbitrates between candidates; with one there is nothing to decide, and probe cost taxes the first confined command of every session (prohibitive for heavy future backends). The runner's own exec-time fail-closed refusal plus `runnerFailureSignatures` classification carries the safety property instead. +- **Commit the built launcher binaries** — rejected: a binary in a diff is unreviewable and churns history; reviewed source + native CI builds + the launcher repo's byte-pinned publish rehearsal keep bytes out of every tree. +- **Compile the launcher on install** — rejected: pushes a C toolchain onto every consumer; a fallback that exists only where a compiler happens to be is not a fallback. +- **Cross-compile both architectures from one builder** — rejected: requires carrying a pinned cross toolchain (rustup targets, zig, or a container image) solely to rebuild two ~70 KB binaries; per-architecture native runners already exist and each builds its own platform package (the `node-addon-require-builtin` model, the launcher repo's own pipeline). +- **No fallback (bwrap or fail closed)** — rejected: concentrates failure on the hosts a sandbox matters most, degrading to `danger-full-access` by resignation. +- **Keep the mechanism inside `dsh-bash-sandbox`** — rejected: blocks the existing second consumer, makes future phases read mode out of a bash plugin's config, and cannot express escalation. +- **Config-fixed mode on the provider** — rejected: one mode per process; cannot serve concurrent consumers with different policies nor the one-shot widened retry. +- **One interface spanning containers/VMs too** — rejected: `confine(argv)` presupposes a shared filesystem; environment isolation is capability-sibling backends deployed as coherent groups. +- **Generic ToolRuntime wrapping any tool** — rejected: mechanically false for in-process tools (closures over `ctx`); the declarative-effects rewrite is unjustified for fs/web/todo. +- **Ask inside the executor (`dsh-bash-sandbox`)** — rejected: no `agent` to route through, no `callId` to attach the prompt to; adding them teaches a transport seam about sessions and UIs — the tool layer holds both and owns the model-facing vocabulary. +- **Auto-retry inside the same tool call** — rejected: a hidden re-entry the log cannot reconstruct: one `tool/call` would have produced two executions with different policies — the retry is a NEW logged call with its own arguments and result facts. +- **Advertise the escalation fields unconditionally** — rejected: under `dsh-bash-local` they are a dead lever — advertising an option the harness cannot honor manufactures doomed grants; capability-gating costs one registration-time read. +- **Hard-match the retry to a prior denial** — rejected: command-string identity is fragile (quoting, `workdir`, env prefixes, a pipeline retried as its failing stage) — false-rejects honest retries or is trivially satisfied; the real boundary is the human seeing command + justification. Revisit only if `allow_always` grant storage ever needs machine-checkable scopes. +- **A generic `env/state` facts map with an owner service** — rejected: approval and sandbox compose independently, so neither's state may drag in a third package; single-key folds are one `findLast` each, dissolving the owner service; no invariant spans the knobs, so atomic multi-key patches bought nothing. +- **Narrate via `agent/user-message` + a bus event** — rejected: it presupposes a turn-entry seam that does not exist (the real seam is `agent/prompt-submit`), and pre-step's position serves both the coalesced turn-entry notice and the mid-turn immediacy bound with one listener. +- **A standing prompt statement of the sandbox mode (+ a switch narrator)** — rejected on live evidence from the first manual sessions: with `Bash commands run under the "read-only" file sandbox.` in every request, the model refused to ATTEMPT denied-then-escalatable work, turning the sandbox into a soft lockout. The denial marker names the mode at the moment it matters and the escalation fields carry the recovery; the approval knob keeps its statement because an auto-rejection is behaviorally indistinguishable from a human "no". +- **Track "last told" with its own bookkeeping events** — rejected: the `request/header*` fold already records the exact prompt the model saw; parsing the closed candidate sentences back replaces a second bookkeeping stream — events are needed only where they ARE the store. +- **ACP session modes instead of config options** — rejected: one mode list cannot carry two orthogonal knobs; config options are the spec's designed surface and modes are slated for removal in ACP v2. + +## Acceptance criteria + +- A denied command retried with `sandbox_permissions` + `justification` prompts the user through the composed answerer chain; a grant runs THAT call under the wider mode (result facts say so) while every other call keeps its own effective mode; every non-grant outcome produces its distinct error text and executes nothing. +- The escalation fields exist exactly when the mounted executor confines and a wider mode exists; a deployment with no ApprovalService fails escalating calls closed and leaves plain calls untouched. +- The system prompt never states the sandbox mode (an approval `'never'` policy is the one stated knob), and the whole exchange — headers, knob events, notices, approvals, results — reconstructs from the session log alone, with no event types beyond the two knob events. +- N idle-time flips produce at most one anchored event per knob (a net-zero sequence anchors none — a no-op push from a client echoing current selections records nothing); an approval-policy switch is narrated in at most one coalesced notice; a mid-turn sandbox switch is honored by the next call's stamp. +- A resumed session's overrides apply and are reported to the editor with no special-casing; a default changed while the process was down is narrated before the session's first new request, attributed to the operator. +- Two concurrent sessions never see each other's state, notices, or config options. +- `agent-loop` is untouched — everything rides `systemPrompt.section`, `SessionEventMap` merging, `agent.inject()`, `agent/pre-step`, `agent/prompt-submit`, and the ACP handler surface. + +## Risks + +- **The one-wrapper illusion is given up knowingly.** A `tools/pre-execute` wrapper plus prompt conventions does not solve sandbox approval — the correct design costs structured denials, native runner probes, per-call policy carriage, and consistent cross-family enforcement, and this RFC pays it. +- **`read-only` is not yet a cross-family boundary.** Until the fs intent gates decide by the shared mode, the claim holds for bash only; the contract says so honestly (§ In-process tools). +- **Windows has no backend.** Its chain slot is reserved empty — fail-closed, never a fallthrough; filling it is a deferred phase. +- **The Seatbelt rung leans on Apple's deprecated-but-shipped `sandbox-exec` CLI.** As darwin's sole candidate it is selected without probing, so a future removal surfaces at execution as the runner-failure classification — re-thrown `SANDBOX_UNAVAILABLE`, the command never runs; fail closed, never open. +- **Landlock confinement is only as complete as the running kernel's ABI.** Reported as `enforcement: 'partial'` rather than refused — the deliberate trade that keeps the fallback available on older-kernel hosts. +- **The launcher arrives as a registry dependency.** Trusted through its own repository's release pipeline (reviewed C source, native CI builders, byte-pinned publish rehearsal) plus this repo's version pin — the real-kernel e2e legs are what vouch for behavior through the installed bytes. +- **The model may over-ask.** Escalating without a real denial, or picking `danger-full-access` where `workspace-write` suffices: the description steers and the enum forces the ladder, but the human prompt is the actual gate; the `approval/asked` reasons make over-asking auditable, and a `prepend` policy answerer can auto-reject patterns a deployment never wants. +- **The advertised ladder reflects the executor's registration-time DEFAULT, not per-session effective mode** (schemas are registry-global) — a session overridden wider may be offered an escalation it does not need, which is harmless. +- **A granted escalation is not a working sandbox.** An unavailable backend still fails closed even for a granted escalation to a confining mode — at `confine()` when the platform has no chain or every probe fails, at execution when an unprobed sole runner refuses (classified as a sandbox failure, not a command failure) — while a granted `danger-full-access` run never touches the provider at all: there the grant, not the probe, is the authority. +- **An idle switch lives in bridge memory until the next turn anchors it.** A crash in that window reverts it (reported honestly on `session/load`), and a session that never runs another turn never persists it — accepted, with the loop-owned idle commit turn named as future work if durability becomes a requirement. +- **The approval narrator's restart baseline parses prompt prose.** The closed candidate sentence is owned by the writing module itself, so a wording change is a coordinated writer+parser edit in one file; a session whose headers predate the section silently adopts the current policy without a notice. +- **The approval section is still a dynamic prompt surface** (a `'never'` switch breaks provider prompt-prefix caching for that session). Accepted: policy switches are rare, and a model acting on a stale `'never'` is worse. The sandbox knob no longer touches the prompt at all. +- **The model may hold a stale belief about the sandbox mode** (nothing announces a switch). Accepted deliberately: the next attempt's marker or success corrects it, and the observed failure mode of announcing — preemptive refusal — is worse than one wasted retry. + +## FAQ + +Behavioral and usage questions only — every "why not X?" design question lives in [Alternatives considered](#alternatives-considered), whose job is exactly that. + +- **A command came back with `[sandbox: file access denied under read-only mode]` — did it fail?** It RAN, and the kernel refused a file effect: the denial is a result fact orthogonal to exit code. The teaching forbids retrying around it; the one sanctioned move is the same command retried once with an escalation request. +- **How is a BROKEN sandbox told apart from a failing command?** Runner failure outranks denial in classification: a failed run matching the wrap's `runnerFailureSignatures` means the command NEVER ran — foreground re-throws the structured `SANDBOX_UNAVAILABLE` with the runner's stderr line, a background task stamps `sandbox.runnerFailed` and renders its own marker. A broken sandbox can never read as a failing command, and the command never runs unconfined. +- **What happens on a platform with no backend — Windows today?** `confine()` throws the fail-closed `SANDBOX_UNAVAILABLE` and the command never spawns; `win32` is a reserved EMPTY chain, pinned by test to fail closed identically until a Windows runner fills it (§ Deferred phases). +- **`bwrap` is installed on my host but unusable (disabled unprivileged userns, an LSM denying `mount`) — what happens?** The chain probe is functional — it builds and enforces a real profile rather than checking `--version` — so a present-but-unusable `bwrap` fails its probe, selection falls to the registry-installed Landlock launcher, and the verdict is cached for the provider's lifetime. +- **Does the sandbox restrict network or process visibility?** No — `SandboxMode` claims FILE effects only; the bwrap profile deliberately does not unshare pid, and no backend claims network. Whether network restriction becomes its own knob is left open in § The seam. +- **Which tools actually run confined?** OS subprocesses through `ctx.bash` — the bash tools, and hook commands transitively. fs/web/todo execute in-process, where an `execve` wrapper is mechanically meaningless; their `read-only` semantics arrive with the cross-family deferred phase, and until then the contract says bash-only honestly. +- **Does a granted escalation persist, or cover background tasks?** Neither: the grant is consumed by the very call that asked (foreground or background), that one call reports the mode it actually ran under, and every neighbor keeps its own. How escalation should be DEFINED for a background denial that only surfaces later via `bash_output` is left open in § Escalation. +- **When does an editor's mode switch take effect?** Mid-turn: appended immediately, honored by the very next call's stamp. Idle: held on the bridge's session record, anchored at the next turn's `agent/prompt-submit`, with N flips coalescing to at most one event (none if net-zero); a crash before anchoring reverts it and `session/load` reports the truth. The model is not told — its next command simply behaves under the new mode. +- **What survives a restart — and what if the operator changed the config default while the process was down?** Overrides replay from the session log (`effective = fold ?? config`), so a resumed session keeps its modes with zero catch-up machinery; a default that drifted offline changes behavior the same way a switch does (the approval policy, being stated, is additionally narrated with operator/config attribution). +- **What does `enforcement: 'partial'` on a result mean?** The selected backend enforces the subset its kernel ABI governs — e.g. Landlock before ABI v3 does not govern path truncate — and says so structurally instead of refusing the host; the probe's report line distinguishes the cases. The bwrap and Seatbelt profiles govern every promised file effect by construction, so they always report `full`. + +## Prior art + +In-repo precedents this design copies or contrasts with: + +- [The capability-seams RFC](../../implemented/architecture/2026-06-13-capability-seams.md) — the interface/implementation/consumer split and the "don't split preemptively" timing rule the second consumer satisfied. +- The `dsh-bash` request/spec split and its `owner` field ([the bash vocabulary catalog](../../../core-data-structures/bash.md)) — the per-call carrier template `sandboxMode` rides, and the explicit-`resolve()` defaulting convention. +- [The approval seam RFC](2026-07-06-approval-seam.md) — the channel escalation asks through; its answerer waterfall, audit pair, and one-package rationale are recorded there. +- [Event-sourced sessions](../../implemented/architecture/2026-06-11-event-sourced-sessions.md) and [the turn-enclosure invariant](../../implemented/architecture/2026-06-15-turn-enclosure-invariant.md) — the log-as-store foundation the per-session modes fold over, and the commit boundary the anchoring design obeys. +- [The interception-seams RFC](../../implemented/feature/2026-06-30-interception-seams.md) — the `tools/pre-execute` vocabulary the escalation gate deliberately does not reuse (an escalating call has no pre-execute moment of its own). From d3a833fc4ac24549def88717376835216f70d528 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 17:15:09 +0800 Subject: [PATCH 66/90] docs(rfc): speak of the staged example and recordings at plan-time tense (review) The proposed forms claimed examples/sandbox-acp-agent, its recorded scenarios, and the approval servicing of ask as already existing; a reader of this docs-only change would look for a composition and goldens that are not in the tree. Usage walkthroughs now name the arc the staged scenarios are to record, both Testing sections open with the plan-time banner, and the grounding bullet states todays degrade honestly. --- docs/rfc/proposed/feature/2026-07-06-approval-seam.md | 10 +++++----- docs/rfc/proposed/feature/2026-07-06-sandbox.md | 10 ++++++---- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/docs/rfc/proposed/feature/2026-07-06-approval-seam.md b/docs/rfc/proposed/feature/2026-07-06-approval-seam.md index 76defba74e..321ae55190 100644 --- a/docs/rfc/proposed/feature/2026-07-06-approval-seam.md +++ b/docs/rfc/proposed/feature/2026-07-06-approval-seam.md @@ -23,11 +23,11 @@ One `cordis.yml` entry mounts the seam; not loading it is the opt-out — consum # policy: never # deployment default for sessions without an override; 'ask' when omitted ``` -The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-agent`, as in the `examples/sandbox-acp-agent` composition this design lands with) completes the loop: its bridge registers an answerer that prompts the owning editor session via `session/request_permission`, so a hook's `ask` or an escalation request surfaces as a one-shot Allow/Reject prompt attached to the already-streamed tool call. `policy: never` is the unattended stance — every ask auto-rejects deterministically, stated in the system prompt, no human in the loop. `policy` is validated against the closed list at plugin load; anything else throws. +The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-agent`, as in `examples/sandbox-acp-agent`, the composition staged to land with this design's implementation) completes the loop: its bridge registers an answerer that prompts the owning editor session via `session/request_permission`, so a hook's `ask` or an escalation request surfaces as a one-shot Allow/Reject prompt attached to the already-streamed tool call. `policy: never` is the unattended stance — every ask auto-rejects deterministically, stated in the system prompt, no human in the loop. `policy` is validated against the closed list at plugin load; anything else throws. What a composed deployment observes: `allowed-once` lets exactly that call proceed; rejection, dismissal, and channel absence deny with three distinct reasons the model can tell apart; every ask lands a durable `approval/asked`/`approval/decided` pair on the asking agent's session log; nothing about a grant persists past the call that asked. -One ask under this composition, verbatim from the sandbox example's recorded `escalation-approved` scenario — the model requests a sandbox escalation, the gate asks, the bridge prompts the owning editor, the user clicks Allow once: +One ask under this composition — the model requests a sandbox escalation, the gate asks, the bridge prompts the owning editor, the user clicks Allow once. This is the arc the implementation's `escalation-approved` snapshot scenario is to record verbatim: ``` tool/call bash {"command": "printf 'escalated\n' > escalated.txt && cat escalated.txt", @@ -43,7 +43,7 @@ approval/decided {"outcome": "allowed-once"} tool/result "escalated" — this one call ran under the wider mode; the grant died with it ``` -The `escalation-rejected` twin ends in `{"outcome": "rejected"}` instead: nothing executes, and the model's result carries the asker's verbatim fail-closed text (`the user rejected escalating this command to "workspace-write"`). A hook's `permissionDecision: ask` rides the identical wire; only the asker and its deny texts differ (§ Ask routing in dsh-tools). Headless, the same request skips the prompt entirely and settles `unavailable`. +Its `escalation-rejected` twin is to end in `{"outcome": "rejected"}` instead: nothing executes, and the model's result carries the asker's verbatim fail-closed text (`the user rejected escalating this command to "workspace-write"`). A hook's `permissionDecision: ask` rides the identical wire; only the asker and its deny texts differ (§ Ask routing in dsh-tools). Headless, the same request skips the prompt entirely and settles `unavailable`. ### Design detail @@ -79,9 +79,9 @@ One new package, no cycles: `dsh-approval` peers on `cordis`, `dsh-session` (eve ### Testing -Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. +Coverage named at plan time, per tier ([testing policy](../../../testing.md)). Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. -Snapshot tier: the harness accepts scripted permission answers (`permissionAnswers` in a scenario's `input.json`, consumed FIFO; an unscripted prompt answers `cancelled`, fail closed). The seam's wire is recorded end to end in the sandbox example's suite: both escalation branches drive `session/request_permission` through this seam over scripted answers (grant and rejection), and the recorded `mode-switching` scenario pins the `'never'` prompt sentence and the policy-switch notice ([the sandbox RFC](2026-07-06-sandbox.md) § Testing). A hook-driven recorded `ask` (extending the hook matrix's `hook-cc-pretool-ask` with a mounted ApprovalService) remains undone; its deny texts are pinned verbatim at the unit tier. +Snapshot tier, landing with the staged example: the harness gains scripted permission answers (`permissionAnswers` in a scenario's `input.json`, consumed FIFO; an unscripted prompt answers `cancelled`, fail closed), and the seam's wire gets recorded end to end in that example's suite — both escalation branches driving `session/request_permission` through this seam over scripted answers (grant and rejection), and a recorded `mode-switching` scenario pinning the `'never'` prompt sentence and the policy-switch notice ([the sandbox RFC](2026-07-06-sandbox.md) § Testing). A hook-driven recorded `ask` (extending the hook matrix's `hook-cc-pretool-ask` with a mounted ApprovalService) remains undone; its deny texts are pinned verbatim at the unit tier. ## Alternatives considered diff --git a/docs/rfc/proposed/feature/2026-07-06-sandbox.md b/docs/rfc/proposed/feature/2026-07-06-sandbox.md index 7a9f514fb3..1b024fee1a 100644 --- a/docs/rfc/proposed/feature/2026-07-06-sandbox.md +++ b/docs/rfc/proposed/feature/2026-07-06-sandbox.md @@ -16,7 +16,7 @@ One seam, one per-platform chain of local backends, one consumer, and two levers ### How a deployment uses it -Three `cordis.yml` entries turn an unconfined coding agent into the sandboxed product path; the `examples/sandbox-acp-agent` composition this design lands with is exactly this tree: +Three `cordis.yml` entries turn an unconfined coding agent into the sandboxed product path; `examples/sandbox-acp-agent`, the composition staged to land with this design's implementation, is exactly this tree: ```yaml - id: sandbox @@ -36,7 +36,7 @@ Misconfiguration fails loud: `mode` outside the closed vocabulary is rejected at What the model then experiences: denied file effects come back as result facts with a `[sandbox: file access denied under mode]` marker plus standing instructions not to retry around them; when a wider mode exists, the schema offers `sandbox_permissions` + `justification` for the one-approval escalated retry; the system prompt deliberately does NOT state the sandbox mode — the model learns the boundary from the marker (which names the mode) when it hits it, instead of preemptively refusing work a standing declaration discourages. What an ACP editor experiences: a `sandbox-mode` and an `approval-policy` config-option select per session (each advertised only when its knob is composable), switchable at runtime; a sandbox switch simply changes what subsequent commands may do, while an approval-policy switch to `'never'` is stated in the prompt and narrated. -The product path, concretely (the escalation arc is verbatim from the recorded `escalation-approved` scenario; the denial leg is pinned on the real-kernel e2e tier): +The product path, concretely (the escalation arc is what the staged `escalation-approved` snapshot scenario is to record verbatim; the denial leg lands on the real-kernel e2e tier): ``` tool/result … [sandbox: file access denied under read-only mode] ← the write RAN; the kernel refused it @@ -55,7 +55,7 @@ Reject instead and nothing executes: the result is the verbatim `the user reject - Runtime OS subprocesses exist at exactly two sites: the `ctx.bash` seam's single spawn (`packages/bash/bash-local/src/run.ts`; hook commands flow through `ctx.bash`, so bash confinement covers them transitively) and `subagent-acp`'s child agents (`packages/subagent/subagent-acp/src/run.ts`) — the second consumer that makes a shared seam due rather than preemptive under the [capability seams RFC](../../implemented/architecture/2026-06-13-capability-seams.md)'s "don't split preemptively" rule. - Everything else executes inside the harness process (fs is in-process `node:fs`, web is in-process `fetch`, every `ToolDefinition.execute()` closes over `ctx`): an OS sandbox wraps `execve` and cannot wrap an in-process function call, so "sandbox any tool" is policy at each tool's seam, never a mechanical transport change. -- `tools/pre-execute` (`allow`/`deny`/`ask`) exists, with `ask` serviced by [the approval seam](2026-07-06-approval-seam.md); the fs intent gates are version guards with no mode input yet. +- `tools/pre-execute` (`allow`/`deny`/`ask`) exists; `ask` degrades to deny today, and [the approval seam proposal](2026-07-06-approval-seam.md) is staged to service it. The fs intent gates are version guards with no mode input yet. - `dsh-bash`'s request/spec split (`BashExecRequest` → `resolve()` → `BashExecSpec`) carries per-call fields the way escalation needs — `owner` is the template: request-optional, spec required-but-nullable, carried verbatim — and the result types already speak `SandboxMode`, so a per-call policy field adds no dependency edge. - The pinned-header snapshot design means a schema/description change churns at most one pinning fixture per suite, and the escalation fields are advertised only under a sandboxing executor — so they live in exactly one pinned header, the sandbox example suite's `mode-switching` fixture. @@ -138,10 +138,12 @@ Each phase gets its full design when picked up, validated against the code at th ### Testing +Coverage named at plan time, per tier ([testing policy](../../../testing.md)). + - Unit tier (no real runner anywhere): profile dialects, per-platform chain selection (sole candidate unprobed, no chain fails closed, multi-candidate probe order), verdict caching, the fail-closed end, probe-report parsing, and the launcher/`sandbox-exec` CLI contracts via fake runner scripts in `dsh-sandbox-local`; wrapping, policy hand-off, fact stamping, and runner-failure-outranks-denial classification (foreground throw, background `runnerFailed` fact) against a fake provider in `dsh-bash-sandbox`; the error's structured identity in `dsh-sandbox`. The escalation matrix spans the three bash packages: verbatim carry-through in `dsh-bash-local`, stamp/branch/per-task-facts in `dsh-bash-sandbox`, and the capability gate, `justification` pairing, fail-closed texts (pinned verbatim), and grant stamping in `dsh-tool-bash`. The switching surface pins the folds, the stamping precedence, the `'never'` gate, per-session section rendering, the full narrator matrix (cold start, coalescing, net-zero, resume drift with operator wording, positional attribution, persona-shadow hardening), and the bridge's advertisement gating, validation rejections, idle-vs-mid-turn anchoring (dev invariants mounted), and `session/load` reporting over a real two-process JSONL round trip. - Keyless real-runner e2e, split along the seam and per rung: CI's `sandbox-e2e` matrix runs bwrap and Landlock on Linux (the Landlock leg once per architecture, each confining through the registry-installed launcher) and Seatbelt on macOS against real kernels, failing on a silent all-skip. World-proofs live in `dsh-sandbox-local` (denied writes absent on disk, workspace writes landing, temp-area grants pinned, kernel denial text matching the advertised dialect) and `dsh-bash-sandbox` (the through-`ctx.bash` consumer proofs, including denied-then-overridden-write-lands). This package's own publish path is rehearsed without publishing (`packed-install.e2e.ts`): `pnpm pack`, tarballs installed into a throwaway consumer with the launcher family resolving from the registry, plain `node` confining through the INSTALLED launcher — asserted executable apart, so a mode-stripped binary can never masquerade as a non-enforcing kernel. The switching surface has its own keyless e2e (`examples/sandbox-acp-agent`): the real `cordis.yml` tree advertises both options, honors switches end to end, and rejects out-of-vocabulary values. - With-key e2e (`examples/sandbox-acp-agent/tests/escalation.e2e.ts`): real model + real runner + the REAL bridge answerer, world-verified — denied under `read-only`, escalates with justification, the scripted editor grants and the retried write lands on disk, while a rejected escalation leaves no write. Self-skips without `DEEPSEEK_API_KEY` or a usable runner (e2e.yml installs bubblewrap so it actually executes in CI). -- Snapshot tier (`examples/sandbox-acp-agent/tests/acp.snapshot.ts`): the keyless config-option wire; the recorded mode-switching arc as the suite's pinned header — necessarily, since mid-session switches emit the `request/header-delta`s the uniformity guard licenses only in the pin — committing both switches, the prompt-section delta and one "changed by the user" notice per knob, and a confined write landing under the switched mode; and both recorded escalation branches over scripted `permissionAnswers` (grant runs confined under `workspace-write`; rejection executes nothing and pins the fail-closed text). Replay re-executes every fixture's bash calls under the host's real runner (ci.yml's snapshot lane installs bubblewrap). Deliberately absent: a fixture carrying a real DENIAL — denial stderr is the backend's dialect and would pin a fixture to its recording platform; the escalation prompts assert the prior denial instead, and the denial→marker path stays on the tiers above. +- Snapshot tier (`examples/sandbox-acp-agent/tests/acp.snapshot.ts`, landing with the example): the keyless config-option wire; a recorded mode-switching arc as the suite's pinned header — necessarily, since mid-session switches emit the `request/header-delta`s the uniformity guard licenses only in the pin — committing both switches, the prompt-section delta and one "changed by the user" notice per knob, and a confined write landing under the switched mode; and both escalation branches recorded over scripted `permissionAnswers` (grant runs confined under `workspace-write`; rejection executes nothing and pins the fail-closed text). Replay re-executes every fixture's bash calls under the host's real runner (ci.yml's snapshot lane installs bubblewrap). Deliberately absent: a fixture carrying a real DENIAL — denial stderr is the backend's dialect and would pin a fixture to its recording platform; the escalation prompts assert the prior denial instead, and the denial→marker path stays on the tiers above. ## Alternatives considered From 7afdc6e3b985b106333cb66bd478350a69ab445d Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 18:01:19 +0800 Subject: [PATCH 67/90] docs(rfc): escalation targets are a closed static vocabulary; strict widening moves to an execution-time check (review blocker) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The default-relative ladder conflicts with per-session overrides: schemas are registry-global while the effective mode is switchable, so a session overridden NARROWER than the default loses exactly the lever it needs — a workspace-write default with a read-only override could only request danger-full-access (forced over-escalation), and a danger-full-access default with a read-only override advertised no fields at all (confined, no escalation path). The enum now pins the closed target vocabulary (workspace-write / danger-full-access) whenever the executor confines; strict widening is enforced per call against the session effective mode (override ?? default), failing closed without prompting anyone. The default-relative ladder and per-session dynamic schemas move to Alternatives; the harmless Risks claim is corrected to name the runtime check as the safety boundary. --- docs/rfc/proposed/feature/2026-07-06-sandbox.md | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/docs/rfc/proposed/feature/2026-07-06-sandbox.md b/docs/rfc/proposed/feature/2026-07-06-sandbox.md index 1b024fee1a..444f93502f 100644 --- a/docs/rfc/proposed/feature/2026-07-06-sandbox.md +++ b/docs/rfc/proposed/feature/2026-07-06-sandbox.md @@ -34,8 +34,7 @@ The swap is invisible to every consumer of `ctx.bash`: the bash tools, hook comm Misconfiguration fails loud: `mode` outside the closed vocabulary is rejected at plugin load, and a host with no usable backend throws the structured `SANDBOX_UNAVAILABLE` — at `confine()` before the command ever spawns — rather than degrading to unconfined execution. `runnerCommand` on `dsh-sandbox-local` is the operator's explicit assertion of a bwrap-compatible runner (chain and probes skipped); it doubles as the deterministic fake-runner seam for keyless tests. -What the model then experiences: denied file effects come back as result facts with a `[sandbox: file access denied under mode]` marker plus standing instructions not to retry around them; when a wider mode exists, the schema offers `sandbox_permissions` + `justification` for the one-approval escalated retry; the system prompt deliberately does NOT state the sandbox mode — the model learns the boundary from the marker (which names the mode) when it hits it, instead of preemptively refusing work a standing declaration discourages. What an ACP editor experiences: a `sandbox-mode` and an `approval-policy` config-option select per session (each advertised only when its knob is composable), switchable at runtime; a sandbox switch simply changes what subsequent commands may do, while an approval-policy switch to `'never'` is stated in the prompt and narrated. - +What the model then experiences: denied file effects come back as result facts with a `[sandbox: file access denied under mode]` marker plus standing instructions not to retry around them; under a confining executor the schema offers `sandbox_permissions` + `justification` for the one-approval escalated retry (validated strictly wider than the session's effective mode at execution); the system prompt deliberately does NOT state the sandbox mode — the model learns the boundary from the marker (which names the mode) when it hits it, instead of preemptively refusing work a standing declaration discourages. What an ACP editor experiences: a `sandbox-mode` and an `approval-policy` config-option select per session (each advertised only when its knob is composable), switchable at runtime; a sandbox switch simply changes what subsequent commands may do, while an approval-policy switch to `'never'` is stated in the prompt and narrated. The product path, concretely (the escalation arc is what the staged `escalation-approved` snapshot scenario is to record verbatim; the denial leg lands on the real-kernel e2e tier): ``` @@ -91,7 +90,7 @@ The seam level is mechanism only. `BashExecRequest` gains `sandboxMode?: Sandbox `SandboxBashExecutor.resolve()` stamps the effective mode — escalation grant > session override > configured default — so `run()`/`start()` read the spec, never the config. The `danger-full-access` branch, the confine call, and the result facts all key off the spec's mode, and the per-task facts map carries each task's mode alongside its wrap facts (`notifyTaskDone()` stamps from the map entry): one escalated call — foreground or background — reports the mode it ACTUALLY ran under while every neighbor keeps its own. -The tool gate advertises two extra parameters exactly when `ctx.bash.sandboxMode` reports a confining mode at registration: `sandbox_permissions`, an enum of exactly the modes STRICTLY WIDER than the executor's default (`read-only` → `workspace-write`/`danger-full-access`; `workspace-write` → `danger-full-access`; `danger-full-access` → nothing, so the fields vanish), and `justification`, required together with it. The schema makes a non-widening request inexpressible. An escalating call resolves approval BEFORE anything executes — no `ctx.approval` composed, or no agent on the execution, fails closed with its own text; otherwise `ctx.approval.request({ agent, toolName: 'bash', callId, reason, signal })` with the audit-self-contained reason `escalate sandbox to ${mode}: ${justification}`, while the UI attaches the prompt to the already-streamed call (the command is visible there; the approval RFC's no-arguments rule holds). The four outcomes map to distinct results: `allowed-once` stamps `sandboxMode` onto the bash request and proceeds; `rejected`, `cancelled`, and `unavailable` each produce their own error text, so the model can tell a human "no" from a dismissed prompt from a missing channel. The grant is consumed by the very call that asked; nothing is stored. +The tool gate advertises two extra parameters exactly when `ctx.bash.sandboxMode` reports a confining mode at registration: `sandbox_permissions`, an enum of the closed escalation-target vocabulary — `workspace-write`/`danger-full-access`, every mode a session could ever escalate TO — and `justification`, required together with it. The enum is deliberately NOT cut down to the modes wider than the executor's DEFAULT: schemas are registry-global while the effective mode is per-session and switchable, so a default-relative ladder strands a session overridden NARROWER than the default (with a `danger-full-access` default and a `read-only` override it would advertise nothing at all — confined, but with no lever). Strict widening is instead enforced at EXECUTION against the call's effective mode (session override ?? executor default): a request that is not strictly wider fails closed with its own text and prompts no one. An escalating call resolves approval BEFORE anything executes — no `ctx.approval` composed, or no agent on the execution, fails closed with its own text; otherwise `ctx.approval.request({ agent, toolName: 'bash', callId, reason, signal })` with the audit-self-contained reason `escalate sandbox to ${mode}: ${justification}`, while the UI attaches the prompt to the already-streamed call (the command is visible there; the approval RFC's no-arguments rule holds). The four outcomes map to distinct results: `allowed-once` stamps `sandboxMode` onto the bash request and proceeds; `rejected`, `cancelled`, and `unavailable` each produce their own error text, so the model can tell a human "no" from a dismissed prompt from a missing channel. The grant is consumed by the very call that asked; nothing is stored. The tool description teaches — and a denied result itself prompts — the SAME-TURN flow when the fields exist: on a denial a wider mode would cure, escalate immediately in that turn by retrying the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification`, without detouring through chat to ask first — the approval prompt raised by the retry IS how the user consents. Never preemptively; a rejected escalation is final for that command. "Only after a real denial" is deliberately model discipline plus human judgment, not harness bookkeeping — the human sees the exact command and justification on the prompt (see Alternatives for why hard-matching is rejected). No new session events anywhere: the attempt is an ordinary `tool/call` whose logged arguments carry the two fields, the decision is the approval seam's `approval/asked`/`approval/decided` pair, the outcome is an ordinary `tool/result` whose sandbox facts name the mode it ran under. The asker lives in `dsh-tool-bash`, NOT the executor: a transport seam has no `agent`, no `callId`, and no business asking humans questions. @@ -160,6 +159,8 @@ Coverage named at plan time, per tier ([testing policy](../../../testing.md)). - **Ask inside the executor (`dsh-bash-sandbox`)** — rejected: no `agent` to route through, no `callId` to attach the prompt to; adding them teaches a transport seam about sessions and UIs — the tool layer holds both and owns the model-facing vocabulary. - **Auto-retry inside the same tool call** — rejected: a hidden re-entry the log cannot reconstruct: one `tool/call` would have produced two executions with different policies — the retry is a NEW logged call with its own arguments and result facts. - **Advertise the escalation fields unconditionally** — rejected: under `dsh-bash-local` they are a dead lever — advertising an option the harness cannot honor manufactures doomed grants; capability-gating costs one registration-time read. +- **A default-relative escalation ladder (advertise only the modes wider than the executor's registration-time default)** — rejected: per-session overrides make the default the wrong baseline — a session switched narrower than the default loses exactly the lever it needs, and under a `danger-full-access` default the fields vanish entirely while a `read-only`-overridden session stays confined with no escalation path. The enum pins the closed target vocabulary; strict widening is a per-call execution check against the session's effective mode. +- **Per-session dynamic tool schemas** — rejected: schemas are registry-global by design (one assembly vocabulary, the pinned-header snapshot contract), and re-registering per session would buy only what the execution-time strict-wider check already guarantees, at the cost of a per-session schema surface and header churn on every switch. - **Hard-match the retry to a prior denial** — rejected: command-string identity is fragile (quoting, `workdir`, env prefixes, a pipeline retried as its failing stage) — false-rejects honest retries or is trivially satisfied; the real boundary is the human seeing command + justification. Revisit only if `allow_always` grant storage ever needs machine-checkable scopes. - **A generic `env/state` facts map with an owner service** — rejected: approval and sandbox compose independently, so neither's state may drag in a third package; single-key folds are one `findLast` each, dissolving the owner service; no invariant spans the knobs, so atomic multi-key patches bought nothing. - **Narrate via `agent/user-message` + a bus event** — rejected: it presupposes a turn-entry seam that does not exist (the real seam is `agent/prompt-submit`), and pre-step's position serves both the coalesced turn-entry notice and the mid-turn immediacy bound with one listener. @@ -170,10 +171,9 @@ Coverage named at plan time, per tier ([testing policy](../../../testing.md)). ## Acceptance criteria - A denied command retried with `sandbox_permissions` + `justification` prompts the user through the composed answerer chain; a grant runs THAT call under the wider mode (result facts say so) while every other call keeps its own effective mode; every non-grant outcome produces its distinct error text and executes nothing. -- The escalation fields exist exactly when the mounted executor confines and a wider mode exists; a deployment with no ApprovalService fails escalating calls closed and leaves plain calls untouched. +- The escalation fields exist exactly when the mounted executor confines; a request that is not strictly wider than the call's effective mode fails closed with its own text and prompts no one; a deployment with no ApprovalService fails escalating calls closed and leaves plain calls untouched. - The system prompt never states the sandbox mode (an approval `'never'` policy is the one stated knob), and the whole exchange — headers, knob events, notices, approvals, results — reconstructs from the session log alone, with no event types beyond the two knob events. -- N idle-time flips produce at most one anchored event per knob (a net-zero sequence anchors none — a no-op push from a client echoing current selections records nothing); an approval-policy switch is narrated in at most one coalesced notice; a mid-turn sandbox switch is honored by the next call's stamp. -- A resumed session's overrides apply and are reported to the editor with no special-casing; a default changed while the process was down is narrated before the session's first new request, attributed to the operator. +- N idle-time flips produce at most one anchored event per knob (a net-zero sequence anchors none — a no-op push from a client echoing current selections records nothing); an approval-policy switch is narrated in at most one coalesced notice; a mid-turn sandbox switch is honored by the next call's stamp.- A resumed session's overrides apply and are reported to the editor with no special-casing; a default changed while the process was down is narrated before the session's first new request, attributed to the operator. - Two concurrent sessions never see each other's state, notices, or config options. - `agent-loop` is untouched — everything rides `systemPrompt.section`, `SessionEventMap` merging, `agent.inject()`, `agent/pre-step`, `agent/prompt-submit`, and the ACP handler surface. @@ -186,7 +186,7 @@ Coverage named at plan time, per tier ([testing policy](../../../testing.md)). - **Landlock confinement is only as complete as the running kernel's ABI.** Reported as `enforcement: 'partial'` rather than refused — the deliberate trade that keeps the fallback available on older-kernel hosts. - **The launcher arrives as a registry dependency.** Trusted through its own repository's release pipeline (reviewed C source, native CI builders, byte-pinned publish rehearsal) plus this repo's version pin — the real-kernel e2e legs are what vouch for behavior through the installed bytes. - **The model may over-ask.** Escalating without a real denial, or picking `danger-full-access` where `workspace-write` suffices: the description steers and the enum forces the ladder, but the human prompt is the actual gate; the `approval/asked` reasons make over-asking auditable, and a `prepend` policy answerer can auto-reject patterns a deployment never wants. -- **The advertised ladder reflects the executor's registration-time DEFAULT, not per-session effective mode** (schemas are registry-global) — a session overridden wider may be offered an escalation it does not need, which is harmless. +- **The advertised target set is static while the effective mode is per-session** (schemas are registry-global) — a session already at the widest mode is still offered the fields. Harmless by construction: the strict-wider check at execution, not the enum, is the safety boundary — a non-widening request fails with its own text and never prompts anyone. - **A granted escalation is not a working sandbox.** An unavailable backend still fails closed even for a granted escalation to a confining mode — at `confine()` when the platform has no chain or every probe fails, at execution when an unprobed sole runner refuses (classified as a sandbox failure, not a command failure) — while a granted `danger-full-access` run never touches the provider at all: there the grant, not the probe, is the authority. - **An idle switch lives in bridge memory until the next turn anchors it.** A crash in that window reverts it (reported honestly on `session/load`), and a session that never runs another turn never persists it — accepted, with the loop-owned idle commit turn named as future work if durability becomes a requirement. - **The approval narrator's restart baseline parses prompt prose.** The closed candidate sentence is owned by the writing module itself, so a wording change is a coordinated writer+parser edit in one file; a session whose headers predate the section silently adopts the current policy without a notice. From 6292d522362406d46ba5f74d7c0b3631dd6c0047 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Fri, 10 Jul 2026 14:19:06 +0800 Subject: [PATCH 68/90] feat(skill): move catalogs into session prefixes --- AGENTS.md | 1 + docs/architecture.md | 2 +- docs/capability-seams.md | 9 +- docs/config-catalog.md | 41 ++- docs/cordis-catalog/events.md | 4 +- docs/cordis-catalog/services.md | 5 +- docs/core-data-structures/core.md | 2 +- docs/core-data-structures/skills.md | 20 +- docs/event-producer-consumer.md | 8 +- docs/module-graph.md | 30 +- .../feature/2026-07-05-skill-system.md | 26 +- docs/tool-catalog.md | 4 +- .../tests/snapshots/skill-load/session.jsonl | 58 ++-- .../snapshots/skill-load/stdout.golden.jsonl | 2 +- .../tests/snapshots/text-turn/session.jsonl | 72 ++--- packages/README.md | 1 + .../cordis/tool-cordis/src/api-catalog.ts | 3 +- packages/core/README.md | 7 +- packages/core/agent-core/README.md | 6 +- packages/core/agent-core/src/index.ts | 13 +- .../core/agent-core/tests/agent-core.spec.ts | 16 +- packages/core/agent-core/tsconfig.json | 6 +- packages/core/skill/README.md | 38 --- packages/core/tool-skill/README.md | 15 - packages/core/tool-skill/src/index.ts | 73 ----- .../core/tool-skill/tests/tool-skill.spec.ts | 149 ---------- packages/skill/README.md | 11 + .../{core => skill}/skill-local/README.md | 2 +- .../{core => skill}/skill-local/package.json | 0 .../{core => skill}/skill-local/src/index.ts | 0 .../skill-local/tests/skill-local.spec.ts | 0 .../{core => skill}/skill-local/tsconfig.json | 0 packages/skill/skill/README.md | 34 +++ packages/{core => skill}/skill/package.json | 6 +- packages/{core => skill}/skill/src/index.ts | 198 ++++++------- .../{core => skill}/skill/tests/skill.spec.ts | 160 +++++++--- packages/{core => skill}/skill/tsconfig.json | 4 +- packages/skill/tool-skill/README.md | 21 ++ .../{core => skill}/tool-skill/package.json | 3 + packages/skill/tool-skill/src/index.ts | 152 ++++++++++ .../skill/tool-skill/tests/tool-skill.spec.ts | 275 ++++++++++++++++++ .../{core => skill}/tool-skill/tsconfig.json | 5 +- packages/ui/acp-agent/src/index.ts | 2 +- packages/ui/acp-agent/tests/acp-agent.spec.ts | 21 +- packages/ui/stdio-agent/src/index.ts | 2 +- .../ui/stdio-agent/tests/stdio-agent.spec.ts | 21 +- pnpm-lock.yaml | 140 +++++---- scripts/gen-doc-graphs.ts | 8 +- scripts/gen-module-graph.ts | 1 + scripts/gen-tool-catalog.ts | 2 +- scripts/type-equiv.manifest.json | 18 +- tsconfig.base.json | 1 + tsconfig.build.json | 6 +- tsconfig.json | 6 +- 54 files changed, 1019 insertions(+), 691 deletions(-) delete mode 100644 packages/core/skill/README.md delete mode 100644 packages/core/tool-skill/README.md delete mode 100644 packages/core/tool-skill/src/index.ts delete mode 100644 packages/core/tool-skill/tests/tool-skill.spec.ts create mode 100644 packages/skill/README.md rename packages/{core => skill}/skill-local/README.md (93%) rename packages/{core => skill}/skill-local/package.json (100%) rename packages/{core => skill}/skill-local/src/index.ts (100%) rename packages/{core => skill}/skill-local/tests/skill-local.spec.ts (100%) rename packages/{core => skill}/skill-local/tsconfig.json (100%) create mode 100644 packages/skill/skill/README.md rename packages/{core => skill}/skill/package.json (69%) rename packages/{core => skill}/skill/src/index.ts (74%) rename packages/{core => skill}/skill/tests/skill.spec.ts (66%) rename packages/{core => skill}/skill/tsconfig.json (69%) create mode 100644 packages/skill/tool-skill/README.md rename packages/{core => skill}/tool-skill/package.json (95%) create mode 100644 packages/skill/tool-skill/src/index.ts create mode 100644 packages/skill/tool-skill/tests/tool-skill.spec.ts rename packages/{core => skill}/tool-skill/tsconfig.json (72%) diff --git a/AGENTS.md b/AGENTS.md index c9a2dccade..1bc2308891 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -15,6 +15,7 @@ packages/ Harness packages at packages///, all named @deepseek-ai llm/ LLM seam + the DeepSeek adapters (hand-rolled + pi-ai design twin) bash/ bash executor seam + local impl + model-facing bash tools fs/ filesystem seam + local impl + policy gate + read/write/edit tools + skill/ skill provider registry + local impl + catalog/loader tool web/ web seam + search/fetch providers + model-facing web tools compact/ compaction seam + basic backend subagent/ subagent seam + spawn/fork/ACP backends + delegation tool diff --git a/docs/architecture.md b/docs/architecture.md index 0fbdd94463..e0b229bca4 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -17,7 +17,6 @@ The default distribution is a composition, not a hierarchy. `packages/core/` is | `ctx.sessions` | `dsh-session` | in-memory event-sourced sessions | | `ctx.systemPrompt` | `dsh-system-prompt` | ordered prompt sections, tool schemas, and prompt variables | | `ctx.tools` | `dsh-tools` | tool registry and [execution pipeline](tool-execution-pipeline.md) | -| `ctx.skills` | `dsh-skill` | provider registry for skills and request-time guidance | | `ctx.agents` | `dsh-agent` | live agent registry, public `Agent` handle, `agent/*` vocabulary | | `ctx.agentLoop` | `dsh-agent-loop` | shipped `ReactLoopAgent` driver | @@ -29,6 +28,7 @@ The default distribution is a composition, not a hierarchy. `packages/core/` is | `ctx.bash` | [`bash/`](../packages/bash/README.md) | foreground/background command execution | | `ctx.codeRuntime` | [`code-runtime/`](../packages/code-runtime/README.md) | model-written program execution | | `ctx.fs` | [`fs/`](../packages/fs/README.md) | filesystem provider primitives and policy events | +| `ctx.skills` | [`skill/`](../packages/skill/README.md) | skill provider registry and progressive disclosure | | `ctx.web` | [`web/`](../packages/web/README.md) | search/fetch provider registries | | `ctx.compact` | [`compact/`](../packages/compact/README.md) | session-surface compaction | | `ctx.subagents` | [`subagent/`](../packages/subagent/README.md) | named delegation providers | diff --git a/docs/capability-seams.md b/docs/capability-seams.md index 39cbc4832f..3c8fdfe6e9 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -41,10 +41,10 @@ flowchart LR pkg_stdio_agent["stdio-agent"] pkg_skill["skill"] svc_skills["ctx.skills
Skill provider registry"] - pkg_agent_core["agent-core"] pkg_skill_local["skill-local"] svc_agents["ctx.agents
Agent registry"] svc_agentLoop["ctx.agentLoop
Concrete loop driver"] + pkg_agent_core["agent-core"] pkg_bash["bash"] svc_bash["ctx.bash
Bash executor seam"] pkg_bash_local["bash-local"] @@ -91,6 +91,7 @@ flowchart LR pkg_session_persistence_jsonl --> svc_sessionPersistence pkg_session_persistence_sqlite --> svc_sessionPersistence pkg_skill --> svc_skills + pkg_skill_local --> svc_skills pkg_stdio_agent --> svc_userInteraction pkg_subagent --> svc_subagents pkg_subagent_acp --> svc_subagents @@ -125,8 +126,6 @@ flowchart LR svc_sessions --> pkg_invariants svc_sessions --> pkg_session_persistence svc_sessions --> pkg_subagent_inprocess - svc_skills --> pkg_agent_core - svc_skills --> pkg_skill_local svc_skills --> pkg_tool_skill svc_subagents --> pkg_tool_subagent svc_systemPrompt --> pkg_agent_loop @@ -156,9 +155,9 @@ flowchart LR | `ctx.sessions` | `core` | [`session`](../packages/core/session) | - | [`agent-loop`](../packages/core/agent-loop), [`agent`](../packages/core/agent), [`session-persistence`](../packages/session-persistence/session-persistence), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`invariants`](../packages/support/invariants) | - | Owns append-only Session instances and emits the durable session event feed. | | `ctx.sessionPersistence` | `seam` | [`session-persistence`](../packages/session-persistence/session-persistence) | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl), [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp) | - | Backends persist the same SessionEvent vocabulary; apps choose a backend at composition time. | | `ctx.systemPrompt` | `core` | [`system-prompt`](../packages/core/system-prompt) | - | [`agent-loop`](../packages/core/agent-loop), [`tools`](../packages/core/tools), [`tool-fs`](../packages/fs/tool-fs), [`tool-web`](../packages/web/tool-web) | - | Collects prompt sections and model-facing tool schemas for each step. | -| `ctx.tools` | `core` | [`tools`](../packages/core/tools) | - | [`agent-loop`](../packages/core/agent-loop), [`tool-ask-user`](../packages/ui/tool-ask-user), [`tool-bash`](../packages/bash/tool-bash), [`tool-cordis`](../packages/cordis/tool-cordis), [`tool-fs`](../packages/fs/tool-fs), [`tool-skill`](../packages/core/tool-skill), [`tool-subagent`](../packages/subagent/tool-subagent), [`tool-todo`](../packages/todo/tool-todo), [`tool-web`](../packages/web/tool-web), [`acp`](../packages/ui/acp) | - | Registers tool definitions, exposes schemas to the prompt, and routes calls through tools/pre-execute and tools/post-execute. | +| `ctx.tools` | `core` | [`tools`](../packages/core/tools) | - | [`agent-loop`](../packages/core/agent-loop), [`tool-ask-user`](../packages/ui/tool-ask-user), [`tool-bash`](../packages/bash/tool-bash), [`tool-cordis`](../packages/cordis/tool-cordis), [`tool-fs`](../packages/fs/tool-fs), [`tool-skill`](../packages/skill/tool-skill), [`tool-subagent`](../packages/subagent/tool-subagent), [`tool-todo`](../packages/todo/tool-todo), [`tool-web`](../packages/web/tool-web), [`acp`](../packages/ui/acp) | - | Registers tool definitions, exposes schemas to the prompt, and routes calls through tools/pre-execute and tools/post-execute. | | `ctx.userInteraction` | `seam` | [`user-interaction`](../packages/ui/user-interaction) | [`stdio-agent`](../packages/ui/stdio-agent), [`acp`](../packages/ui/acp) | [`tool-ask-user`](../packages/ui/tool-ask-user), [`stdio-agent`](../packages/ui/stdio-agent), [`acp`](../packages/ui/acp) | - | UI front doors provide the active human-answer provider; tool-ask-user pauses a tool call on the provider-neutral ask() promise. | -| `ctx.skills` | `core` | [`skill`](../packages/core/skill) | - | [`agent-core`](../packages/core/agent-core), [`skill-local`](../packages/core/skill-local), [`tool-skill`](../packages/core/tool-skill) | - | Merges provider skill catalogs, injects request-time listings, and serves full skill bodies to the skill tool. | +| `ctx.skills` | `seam` | [`skill`](../packages/skill/skill) | [`skill-local`](../packages/skill/skill-local) | [`tool-skill`](../packages/skill/tool-skill) | - | Merges provider skill catalogs; tool-skill renders the session-prefix catalog and loads complete skill bodies. | | `ctx.agents` | `core` | [`agent`](../packages/core/agent) | - | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`stdio-agent`](../packages/ui/stdio-agent), [`invariants`](../packages/support/invariants) | - | Owns live Agent handles and the create/resume factory seam. | | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | | `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local. | diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 79de78717c..fa0f7b25b8 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -53,7 +53,7 @@ export interface Config { toolOrder?: string[] /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string - /** Skill registry/local-provider config forwarded to the shared agent-core spine. */ + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ skills?: agentCore.SkillConfig } ``` @@ -70,7 +70,7 @@ Source: [`packages/ui/acp-agent/src/index.ts:50`](../packages/ui/acp-agent/src/i * `agents` to the agent loop (an app that pre-creates no agents, like the ACP * bridge, simply omits it), `persona` and `toolOrder` to the system-prompt * plugin (the deployment's persona section and the explicit model-facing tool - * order), and `skills` to the skill registry/local provider. Every field is + * order), and `skills` to the skill registry/local provider/tool consumer. Every field is * optional INPUT here because each owner's schema supplies the default (`[]` / * `''` / absent — lexicographic / the DSH skill roots); the schema is the * INTERSECTION of the owners' own schemas, so validation and defaulting can @@ -83,22 +83,24 @@ export interface Config { persona?: SystemPromptConfig['persona'] /** The explicit model-facing tool order (see dsh-system-prompt's `Config`). */ toolOrder?: SystemPromptConfig['toolOrder'] - /** Skill registry and local provider config. */ + /** Skill registry, local provider, and model-facing consumer config. */ skills?: SkillConfig } -/** Skill bundle config forwarded to the registry and the local provider. */ +/** Skill bundle config forwarded to the registry, local provider, and model-facing consumer. */ export interface SkillConfig { - /** Registry-level prompt/cache settings. */ + /** Registry-level discovery cache settings. */ registry?: SkillRegistryConfig /** Local filesystem skill provider settings. */ local?: SkillLocal.Config + /** Model-facing skill catalog and tool settings. */ + tool?: toolSkill.Config } ``` -Depends on: [`AgentLoopConfig`](#deepseek-aidsh-agent-loop) · [`SkillLocal`](../packages/core/skill-local/src/index.ts) · [`SkillRegistryConfig`](#deepseek-aidsh-skill) · [`SystemPromptConfig`](#deepseek-aidsh-system-prompt) +Depends on: [`AgentLoopConfig`](#deepseek-aidsh-agent-loop) · [`SkillLocal`](../packages/skill/skill-local/src/index.ts) · [`SkillRegistryConfig`](#deepseek-aidsh-skill) · [`SystemPromptConfig`](#deepseek-aidsh-system-prompt) · [`toolSkill`](../packages/skill/tool-skill/src/index.ts) -Source: [`packages/core/agent-core/src/index.ts:84`](../packages/core/agent-core/src/index.ts) +Source: [`packages/core/agent-core/src/index.ts:86`](../packages/core/agent-core/src/index.ts) ## `@deepseek-ai/dsh-agent-loop` @@ -496,14 +498,12 @@ Source: [`packages/session-persistence/session-persistence-sqlite/src/index.ts:5 ```ts config-catalog /** Skill registry configuration. */ export interface Config { - /** Maximum rendered description/whenToUse length in the prompt listing; minimum 3. */ - promptFieldMaxLength?: number - /** Maximum number of cwd/provider discovery promises kept in the in-memory cache. */ + /** Maximum number of completed cwd/provider catalog snapshots kept in memory. */ collectCacheMaxEntries?: number } ``` -Source: [`packages/core/skill/src/index.ts:111`](../packages/core/skill/src/index.ts) +Source: [`packages/skill/skill/src/index.ts:112`](../packages/skill/skill/src/index.ts) ## `@deepseek-ai/dsh-skill-local` @@ -521,7 +521,7 @@ export interface Config { } ``` -Source: [`packages/core/skill-local/src/index.ts:39`](../packages/core/skill-local/src/index.ts) +Source: [`packages/skill/skill-local/src/index.ts:39`](../packages/skill/skill-local/src/index.ts) ## `@deepseek-ai/dsh-stdio-agent` @@ -547,7 +547,7 @@ export interface Config { persistenceRoot?: string /** stdin-chat banner printed once on start. Defaults to `'ready.'`. */ welcome?: string - /** Skill registry/local-provider config forwarded to the shared agent-core spine. */ + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ skills?: agentCore.SkillConfig /** * If set, the `main` agent RESUMES this persisted session id instead of @@ -763,6 +763,20 @@ export interface Config { Source: [`packages/fs/tool-fs/src/index.ts:48`](../packages/fs/tool-fs/src/index.ts) +## `@deepseek-ai/dsh-tool-skill` + +Requires: `tools` · `skills` + +```ts config-catalog +/** Model-facing skill catalog configuration. */ +export interface Config { + /** Maximum normalized description length rendered in the session catalog; minimum 3. */ + catalogDescriptionMaxLength?: number +} +``` + +Source: [`packages/skill/tool-skill/src/index.ts:19`](../packages/skill/tool-skill/src/index.ts) + ## `@deepseek-ai/dsh-tool-subagent` Requires: `tools` · `subagents` @@ -941,7 +955,6 @@ These load from a `cordis.yml` entry with no `config:` block; they declare no co - `@deepseek-ai/dsh-timeout-policy` — requires `tools` ([`packages/timeout/timeout-policy/src/index.ts`](../packages/timeout/timeout-policy/src/index.ts)) - `@deepseek-ai/dsh-tool-ask-user` — requires `tools` · `userInteraction` ([`packages/ui/tool-ask-user/src/index.ts`](../packages/ui/tool-ask-user/src/index.ts)) - `@deepseek-ai/dsh-tool-bash` — requires `tools` · `bash` · `systemPrompt` ([`packages/bash/tool-bash/src/index.ts`](../packages/bash/tool-bash/src/index.ts)) -- `@deepseek-ai/dsh-tool-skill` — requires `tools` · `skills` ([`packages/core/tool-skill/src/index.ts`](../packages/core/tool-skill/src/index.ts)) - `@deepseek-ai/dsh-tool-todo` — requires `tools` ([`packages/todo/tool-todo/src/index.ts`](../packages/todo/tool-todo/src/index.ts)) - `@deepseek-ai/dsh-tools` — requires `systemPrompt` ([`packages/core/tools/src/index.ts`](../packages/core/tools/src/index.ts)) - `@deepseek-ai/dsh-user-interaction` ([`packages/ui/user-interaction/src/index.ts`](../packages/ui/user-interaction/src/index.ts)) diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 05321e6618..7049c2f889 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -259,7 +259,7 @@ A skill provider became resolvable in the `ctx.skills` registry. Consumers can o 'skill/provider-added'(provider: SkillProvider): void ``` -Source: [`packages/core/skill/src/index.ts:131`](../../packages/core/skill/src/index.ts) +Source: [`packages/skill/skill/src/index.ts:130`](../../packages/skill/skill/src/index.ts) ### `skill/provider-removed` — emit @@ -269,7 +269,7 @@ A skill provider left the registry because its plugin fiber was disposed. 'skill/provider-removed'(name: string): void ``` -Source: [`packages/core/skill/src/index.ts:137`](../../packages/core/skill/src/index.ts) +Source: [`packages/skill/skill/src/index.ts:136`](../../packages/skill/skill/src/index.ts) ## `subagent/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 405e3d6f62..f1b0cbb6ba 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -189,17 +189,16 @@ Source: [`packages/core/session/src/index.ts:405`](../../packages/core/session/s ## `ctx.skills` — `SkillService` -Registry of skill providers. It merges provider catalogs with stable first-wins duplicate handling, exposes sorted model-visible summaries, loads full skill bodies on demand, and renders the request-time catalog fragment. +Registry of skill providers. It merges provider catalogs with stable first-wins duplicate handling, exposes sorted model-visible summaries, and loads full skill bodies on demand. ```ts cordis-catalog registerProvider(provider: SkillProvider): () => void register(skill: SkillRegistration): () => void async list(options: SkillLookupOptions = {}): Promise async get(name: string, options: SkillLookupOptions = {}): Promise -async renderModelListing(options: SkillLookupOptions = {}): Promise ``` -Source: [`packages/core/skill/src/index.ts:158`](../../packages/core/skill/src/index.ts) +Source: [`packages/skill/skill/src/index.ts:157`](../../packages/skill/skill/src/index.ts) ## `ctx.subagents` — `SubagentService` diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 281bf7be48..3d3891649f 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -23,7 +23,7 @@ Everything else is documented on a **sub-page**, not here. The rule that draws t | [bash.md](bash.md) | the bash executor seam: `BashExecRequest`/`Spec`, `BashRunResult`, background `BashTask`s | | [code-runtime.md](code-runtime.md) | the code-execution seam: `CodeRunRequest`/`Result`, binding namespaces, captured logs, the `CodeRunFailure` taxonomy | | [filesystem.md](filesystem.md) | the filesystem seam: `FsTarget`, read/write/edit outcomes, observed-file state, `FsErrorCode` | -| [skills.md](skills.md) | the skill service: discovery priority, `SkillSummary`/`SkillDefinition`, prompt listing, model-facing `skill` loading | +| [skills.md](skills.md) | the skill service: discovery priority, `SkillSummary`/`SkillDefinition`, session-prefix catalog, model-facing `skill` loading | | [compaction.md](compaction.md) | the compaction seam: the `compact/*` session events, `CompactionResult`, the `CompactService` interface | | [subagent.md](subagent.md) | the subagent seam: the named-provider registry, `SubagentStartRequest`/`Result`/`Run`, the start-time-vs-runtime capability split | | [web.md](web.md) | the web access seam: `WebSearchRequest`/`Result`, `WebFetchRequest`/`Result`, `WebFetchBody`, provider/capability status, `WebError` | diff --git a/docs/core-data-structures/skills.md b/docs/core-data-structures/skills.md index fb72ab6f57..b356aba720 100644 --- a/docs/core-data-structures/skills.md +++ b/docs/core-data-structures/skills.md @@ -1,12 +1,12 @@ # Skills -The skill stack is split across three core packages: the registry ([dsh-skill](../../packages/core/skill), `ctx.skills`) merges provider catalogs and renders request-time guidance; the local provider ([dsh-skill-local](../../packages/core/skill-local)) scans project/custom/user directories; the consumer ([dsh-tool-skill](../../packages/core/tool-skill), model-facing `skill`) loads one complete body for progressive disclosure. Skills are optional instructions, not session events, so their vocabulary lives here rather than in [core.md](core.md). +The [skill capability family](../../packages/skill) is split across three packages: the registry ([dsh-skill](../../packages/skill/skill), `ctx.skills`) merges provider catalogs; the local provider ([dsh-skill-local](../../packages/skill/skill-local)) scans project/custom/user directories; the consumer ([dsh-tool-skill](../../packages/skill/tool-skill)) owns the session-prefix catalog and model-facing `skill` tool. Skills are optional instructions, not session events, so their vocabulary lives here rather than in [core.md](core.md). -Source: [`packages/core/skill/src/index.ts`](../../packages/core/skill/src/index.ts), [`packages/core/skill-local/src/index.ts`](../../packages/core/skill-local/src/index.ts), and [`packages/core/tool-skill/src/index.ts`](../../packages/core/tool-skill/src/index.ts). +Source: [`packages/skill/skill/src/index.ts`](../../packages/skill/skill/src/index.ts), [`packages/skill/skill-local/src/index.ts`](../../packages/skill/skill-local/src/index.ts), and [`packages/skill/tool-skill/src/index.ts`](../../packages/skill/tool-skill/src/index.ts). ## Provider registry -`ctx.skills` is a multi-provider registry. Providers can represent local directories, embedded plugin data, HTTP catalogs, or another source. The registry validates candidates, resolves duplicate skill names first-wins by rank/provider order/local order, and sorts the final model-visible catalog by `name` for deterministic prompt text. A provider `list()` rejection is logged and skipped without caching the degraded catalog; malformed candidates still fail fast because they violate the provider contract. +`ctx.skills` is a multi-provider registry. Providers can represent local directories, embedded plugin data, HTTP catalogs, or another source. Provider plugins register synchronously during `apply()`; remote initialization, authentication, and discovery are awaited by `list()`. The registry validates candidates, resolves duplicate skill names first-wins by rank/provider order/local order, and sorts the final summaries by `name` for deterministic consumers. A provider `list()` rejection is logged and skipped without caching the degraded catalog; malformed candidates still fail fast because they violate the provider contract. ```ts type-equiv interface SkillProvider { @@ -40,7 +40,7 @@ type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | ' ## Summaries, candidates, and complete definitions -`SkillSummary` is the model-visible shape: the request prompt gets name, source, provider, description, and optional routing hint, but never the body or absolute file path. `disableModelInvocation` hides a skill from listings while allowing trusted code to load it by name. +`SkillSummary` is the registry's model-invocable summary shape. Consumers choose which fields to render; the session catalog uses only `name` and `description`, never the body or absolute file path. `disableModelInvocation` hides a skill from model listings while allowing trusted code to load it by name. ```ts type-equiv interface SkillSummary { @@ -92,25 +92,25 @@ type SkillRegistration = Omit & { ## Lookup and configuration -Skill lookup is cwd-sensitive because providers may expose workspace-local skills. If no git root is found, the local provider treats the supplied cwd itself as the project root. +Skill lookup is cwd-sensitive because providers may expose workspace-local skills, and its optional signal cancels provider work for the caller. If no git root is found, the local provider treats the supplied cwd itself as the project root. ```ts type-equiv interface SkillLookupOptions { cwd?: string | undefined + signal?: AbortSignal | undefined } ``` -The registry owns prompt/cache bounds. The local provider owns filesystem roots (`dshHome`, `agentsHome`, and `customSkillDirs`). +The registry owns only its discovery-cache bound. The local provider owns filesystem roots (`dshHome`, `agentsHome`, and `customSkillDirs`). The consumer owns its catalog description bound. ```ts type-equiv interface Config { - promptFieldMaxLength?: number collectCacheMaxEntries?: number } ``` -## Prompt and tool contract +## Session catalog and tool contract -`ctx.skills.renderModelListing()` returns a `## Skills` fragment wrapped in ``. Descriptions and `whenToUse` are whitespace-normalized, length-capped, XML-escaped, and have `{{` / `}}` split before rendering so skill metadata cannot be parsed as prompt-template variables. The listing is appended as a late `system-prompt/assemble` section for the calling agent, so it remains cwd-sensitive while still flowing through the reconstructable system-prompt path. +`dsh-tool-skill` contributes a user-role `` through `agent/session-prefix`. The catalog contains sorted skill `name` and normalized, XML-escaped `description` only; it omits bodies, paths, sources, providers, and routing hints. Prefix discovery forwards the caller's abort signal through `SkillLookupOptions`. `catalogDescriptionMaxLength` is the consumer config for the description bound, with default `500` and integer minimum `3`. Its request-only, header-logged lifecycle is defined by the [session-prefix RFC](../rfc/implemented/feature/2026-07-07-session-prefix.md). -The model-facing `skill({ name })` tool validates the kebab-case name, loads the complete definition for the calling agent cwd, rejects unknown or `disableModelInvocation` skills, and returns a `` block with the body plus provider resource guidance. The tool result is the only v1 path that exposes full skill instructions to the model. +The model-facing `skill({ name })` tool validates the kebab-case name, loads the complete definition for the calling agent cwd, reports an unresolved skill as unknown or no longer available, rejects `disableModelInvocation` skills, and returns a tool result containing ``, ``, and ``. `resourceBase` resolves explicitly referenced scripts, references, and assets only as needed; the loaded result does not enumerate a skill directory. The tool result is the model-visible path for complete instructions. diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index 9191bbd50f..dfef78092d 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -14,7 +14,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:370`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | | `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:290`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | | `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:394`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | -| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:441`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | +| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:441`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill) | | `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:305`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | | `agent/status` | `emit` | [`packages/core/agent/src/types.ts:281`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:451`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | @@ -26,13 +26,13 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `session/created` | `emit` | [`packages/core/session/src/index.ts:39`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`emit`) | [`invariants`](../packages/support/invariants), [`session-persistence`](../packages/session-persistence/session-persistence) | | `session/event` | `emit` | [`packages/core/session/src/index.ts:47`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`session-persistence`](../packages/session-persistence/session-persistence), [`stdio-agent`](../packages/ui/stdio-agent) | | `session/flush` | `parallel` | [`packages/core/session/src/index.ts:57`](../packages/core/session/src/index.ts) | [`agent-loop`](../packages/core/agent-loop) (`parallel`) | [`session-persistence`](../packages/session-persistence/session-persistence) | -| `skill/provider-added` | `emit` | [`packages/core/skill/src/index.ts:131`](../packages/core/skill/src/index.ts) | [`skill`](../packages/core/skill) (`emit`) | - | -| `skill/provider-removed` | `emit` | [`packages/core/skill/src/index.ts:137`](../packages/core/skill/src/index.ts) | [`skill`](../packages/core/skill) (`emit`) | - | +| `skill/provider-added` | `emit` | [`packages/skill/skill/src/index.ts:130`](../packages/skill/skill/src/index.ts) | [`skill`](../packages/skill/skill) (`emit`) | - | +| `skill/provider-removed` | `emit` | [`packages/skill/skill/src/index.ts:136`](../packages/skill/skill/src/index.ts) | [`skill`](../packages/skill/skill) (`emit`) | - | | `subagent/end` | `emit` | [`packages/subagent/subagent/src/index.ts:98`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude) | | `subagent/provider-added` | `emit` | [`packages/subagent/subagent/src/index.ts:72`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`emit`) | [`tool-subagent`](../packages/subagent/tool-subagent) | | `subagent/provider-removed` | `emit` | [`packages/subagent/subagent/src/index.ts:83`](../packages/subagent/subagent/src/index.ts) | - | [`tool-subagent`](../packages/subagent/tool-subagent) | | `subagent/start` | `emit` | [`packages/subagent/subagent/src/index.ts:91`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude) | -| `system-prompt/assemble` | `waterfall` | [`packages/core/system-prompt/src/index.ts:38`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | [`skill`](../packages/core/skill) | +| `system-prompt/assemble` | `waterfall` | [`packages/core/system-prompt/src/index.ts:38`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | - | | `system-prompt/change` | `emit` | [`packages/core/system-prompt/src/index.ts:44`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | | `tools/change` | `emit` | [`packages/core/tools/src/index.ts:118`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | | `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:97`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`timeout-policy`](../packages/timeout/timeout-policy) | diff --git a/docs/module-graph.md b/docs/module-graph.md index a11ccb862b..cc1e91058d 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -21,10 +21,7 @@ flowchart TD pkg_agent_core["agent-core"] pkg_agent_loop["agent-loop"] pkg_session["session"] - pkg_skill["skill"] - pkg_skill_local["skill-local"] pkg_system_prompt["system-prompt"] - pkg_tool_skill["tool-skill"] pkg_tools["tools"] end subgraph group_bash["packages/bash"] @@ -38,6 +35,11 @@ flowchart TD pkg_fs_policy["fs-policy"] pkg_tool_fs["tool-fs"] end + subgraph group_skill["packages/skill"] + pkg_skill["skill"] + pkg_skill_local["skill-local"] + pkg_tool_skill["tool-skill"] + end subgraph group_compact["packages/compact"] pkg_compact["compact"] pkg_compact_basic["compact-basic"] @@ -117,6 +119,8 @@ flowchart TD pkg_agent --> pkg_system_prompt pkg_fs_local --> pkg_fs pkg_fs_policy --> pkg_fs + pkg_skill_local --> pkg_fs + pkg_skill_local --> pkg_skill pkg_compact --> pkg_llm pkg_compact --> pkg_session pkg_web_fetch_local --> pkg_timeout @@ -129,8 +133,6 @@ flowchart TD pkg_session_persistence --> pkg_session pkg_llm_replay --> pkg_llm pkg_llm_replay --> pkg_session - pkg_skill --> pkg_agent - pkg_skill --> pkg_system_prompt pkg_tools --> pkg_agent pkg_tools --> pkg_llm pkg_tools --> pkg_system_prompt @@ -153,12 +155,6 @@ flowchart TD pkg_agent_loop --> pkg_session_persistence pkg_agent_loop --> pkg_system_prompt pkg_agent_loop --> pkg_tools - pkg_skill_local --> pkg_fs - pkg_skill_local --> pkg_skill - pkg_tool_skill --> pkg_agent - pkg_tool_skill --> pkg_llm - pkg_tool_skill --> pkg_skill - pkg_tool_skill --> pkg_tools pkg_tool_bash --> pkg_agent pkg_tool_bash --> pkg_bash pkg_tool_bash --> pkg_llm @@ -169,6 +165,10 @@ flowchart TD pkg_tool_fs --> pkg_session pkg_tool_fs --> pkg_system_prompt pkg_tool_fs --> pkg_tools + pkg_tool_skill --> pkg_agent + pkg_tool_skill --> pkg_llm + pkg_tool_skill --> pkg_skill + pkg_tool_skill --> pkg_tools pkg_subagent --> pkg_agent pkg_subagent --> pkg_llm pkg_subagent --> pkg_tools @@ -257,6 +257,7 @@ flowchart TD | --- | --- | --- | | [`brand`](../packages/util/brand) | `util` | — | | [`timeout`](../packages/util/timeout) | `util` | — | +| [`skill`](../packages/skill/skill) | `skill` | — | | [`acp-snapshot`](../packages/support/acp-snapshot) | `support` | — | | [`app-boot`](../packages/ui/app-boot) | `ui` | — | | [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — | @@ -273,6 +274,7 @@ flowchart TD | [`agent`](../packages/core/agent) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`fs-local`](../packages/fs/fs-local) | `fs` | [`fs`](../packages/fs/fs) | | [`fs-policy`](../packages/fs/fs-policy) | `fs` | [`fs`](../packages/fs/fs) | +| [`skill-local`](../packages/skill/skill-local) | `skill` | [`fs`](../packages/fs/fs), [`skill`](../packages/skill/skill) | | [`compact`](../packages/compact/compact) | `compact` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`web-fetch-local`](../packages/web/web-fetch-local) | `web` | [`timeout`](../packages/util/timeout), [`web`](../packages/web/web) | | [`web-search-deepseek`](../packages/web/web-search-deepseek) | `web` | [`web`](../packages/web/web) | @@ -281,7 +283,6 @@ flowchart TD | [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | | [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) | | [`llm-replay`](../packages/support/llm-replay) | `support` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | -| [`skill`](../packages/core/skill) | `core` | [`agent`](../packages/core/agent), [`system-prompt`](../packages/core/system-prompt) | | [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt) | | [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | @@ -289,10 +290,9 @@ flowchart TD | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`user-interaction`](../packages/ui/user-interaction) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | -| [`skill-local`](../packages/core/skill-local) | `core` | [`fs`](../packages/fs/fs), [`skill`](../packages/core/skill) | -| [`tool-skill`](../packages/core/tool-skill) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`skill`](../packages/core/skill), [`tools`](../packages/core/tools) | | [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`tool-skill`](../packages/skill/tool-skill) | `skill` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`skill`](../packages/skill/skill), [`tools`](../packages/core/tools) | | [`subagent`](../packages/subagent/subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`tools`](../packages/core/tools) | | [`tool-web`](../packages/web/tool-web) | `web` | [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`web`](../packages/web/web) | | [`timeout-policy`](../packages/timeout/timeout-policy) | `timeout` | [`llm`](../packages/llm/llm), [`timeout`](../packages/util/timeout), [`tools`](../packages/core/tools) | @@ -302,7 +302,7 @@ flowchart TD | [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | | [`tool-ask-user`](../packages/ui/tool-ask-user) | `ui` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | | [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | `guard` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools) | -| [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`skill`](../packages/core/skill), [`skill-local`](../packages/core/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tool-skill`](../packages/core/tool-skill), [`tools`](../packages/core/tools) | +| [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`skill`](../packages/skill/skill), [`skill-local`](../packages/skill/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tool-skill`](../packages/skill/tool-skill), [`tools`](../packages/core/tools) | | [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent) | | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md index 45ad964d90..6b42ec1a9d 100644 --- a/docs/rfc/implemented/feature/2026-07-05-skill-system.md +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -6,44 +6,44 @@ Status: implemented Agent products have converged on a skill pattern: keep the request prompt small by listing only available instruction bundles, then load the full body when the model decides a task matches. Codex, Claude Code, OpenCode, and Kimi Code differ in details, but all separate discovery metadata from complete instructions so a workspace can carry reusable behavior without paying the full prompt cost on every turn. -DeepSeek Harness needs the same primitive because project-specific review, plugin-authoring, and tool-usage guidance should live next to the workspace or the user's agent configuration instead of being hard-coded into the loop. The repo is still unreleased, so this change establishes the foundation directly as first-class packages rather than a compatibility layer around an older format. +DeepSeek Harness uses the same primitive so project-specific review, plugin-authoring, and tool-usage guidance lives next to the workspace or the user's agent configuration instead of being hard-coded into the loop. ## Decision -Add `@deepseek-ai/dsh-skill` as the provider registry (`ctx.skills`), `@deepseek-ai/dsh-skill-local` as the shipped local filesystem provider, and `@deepseek-ai/dsh-tool-skill` as the model-facing loader tool. `dsh-agent-core` loads the registry, local provider, and tool by default so stdio and ACP apps get the same behavior while future providers can contribute embedded or remote skills without changing the registry or tool. +`@deepseek-ai/dsh-skill` is the pure provider registry (`ctx.skills`), `@deepseek-ai/dsh-skill-local` is the shipped local filesystem provider, and `@deepseek-ai/dsh-tool-skill` owns the session-prefix catalog and model-facing loader tool. `dsh-agent-core` loads the registry, local provider, and consumer by default so stdio and ACP apps get the same behavior while embedded or remote providers contribute skills without changing the registry or consumer. Its `skills` config forwards `registry`, `local`, and `tool` branches to those owners. -Provider catalogs return ranked candidates. The registry validates each candidate, resolves same-name skills first-wins by rank, provider registration order, and provider-local order, then sorts model-visible summaries by skill name for deterministic prompt text. Runtime `ctx.skills.register(...)` remains a convenience for embedded in-process skills and uses project-over-user priority; `runtime` is reserved as the registry-owned provider name. +Provider plugins register synchronously during `apply()`. Provider catalogs return ranked candidates from awaited `list()` calls, where remote providers perform initialization, authentication, and discovery while honoring the lookup abort signal. The registry validates each candidate, resolves same-name skills first-wins by rank, provider registration order, and provider-local order, then sorts summaries by skill name for deterministic consumers. It caches only completed catalog snapshots and retries when a provider/runtime revision changes during discovery, so an unload cannot freeze a stale, unresolvable skill into a session prefix. Runtime `ctx.skills.register(...)` remains a convenience for embedded in-process skills and uses project-over-user priority; `runtime` is reserved as the registry-owned provider name. -The local provider scans cwd-sensitive project roots, custom roots, and user roots in first-wins rank order: project `.dsh`, project `.agents`, `customSkillDirs`, user `.dsh`, then user `.agents`. The user `.dsh/skills` scan skips `.system` so a system-owned directory is not treated as normal user content. DeepSeek Harness does not ship built-in system skills in v1; plugin-authoring skills can be supplied later by another provider. +The local provider scans cwd-sensitive project roots, custom roots, and user roots in first-wins rank order: project `.dsh`, project `.agents`, `customSkillDirs`, user `.dsh`, then user `.agents`. The user `.dsh/skills` scan skips `.system` so a system-owned directory is not treated as normal user content. DeepSeek Harness does not ship built-in system skills; embedded or remote providers supply additional skills when configured. Each skill is either `/SKILL.md` or `.md` with YAML frontmatter. `name` and `description` are required; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names are kebab-case. YAML frontmatter is parsed with the `yaml` package instead of `js-yaml` or a hand-written parser: `yaml` is the already-declared modern parser for this package's limited frontmatter needs, and a narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. Local skill filesystem I/O goes through `ctx.fs` when a filesystem service is loaded: project-root lookup probes `.git` with `resolve` and `stat`, root discovery uses `listDir`, and skill reads use `readText`. The Node filesystem remains a fallback for minimal contexts that mount `dsh-skill-local` without the fs seam. Missing roots, unreadable or malformed skill files, and transient provider `list()` failures degrade to warn-and-skip so one bad source does not make every agent request fail; malformed candidates still fail fast because they are provider contract violations. -The service injects a request-time `## Skills` fragment through the existing `system-prompt/assemble` waterfall. It appends a late section for the calling agent instead of mutating `GenerateOptions.system` in `agent/request`, because request configuration is now reconstructable model/sampling state while model-visible content flows through system prompt assembly. The fragment contains only stable routing metadata, splits `{{` / `}}` before template rendering, and is sorted by skill name after first-wins collection, so equivalent workspaces produce deterministic prompt text and better prefix-cache reuse. Full skill bodies are never included in the listing. +`dsh-tool-skill` contributes one user-role `` catalog through [`agent/session-prefix`](2026-07-07-session-prefix.md). The catalog contains sorted skill name and description only; it excludes bodies, paths, sources, providers, and routing hints. Descriptions are whitespace-normalized, XML-escaped, and capped by `catalogDescriptionMaxLength`, whose default is `500` and minimum is `3`. The session-prefix seam freezes the request-only catalog per loop instance and records it in the request header, preserving reconstructability without adding it to durable history. Full skill bodies are never included in the catalog. -The `skill({ name })` tool loads one full skill for the current agent cwd and returns a `` block with the body plus provider resource guidance. Local filesystem skills include base-directory guidance; embedded or remote providers can return URL or opaque provider-managed guidance. Invalid names, unknown skills, and skills marked `disableModelInvocation` return tool errors. v1 does not additionally inject the loaded body into session context; the tool result is the model-visible disclosure path. +The `skill({ name })` tool loads one full skill for the current agent cwd and returns a tool result containing ``, ``, and ``. `resourceBase` supplies a directory, URL, or opaque provider-managed base for explicitly referenced scripts, references, and assets; resources load only as needed, without directory enumeration. An unresolved name reports that the skill is unknown or no longer available; invalid names and skills marked `disableModelInvocation` retain distinct tool errors. The tool result is the model-visible disclosure path. -The data structures and prompt/tool contract are documented in [skills.md](../../../core-data-structures/skills.md), with service signatures in the generated [services catalog](../../../cordis-catalog/services.md). +The data structures and catalog/tool contract are documented in [skills.md](../../../core-data-structures/skills.md), with service signatures in the generated [services catalog](../../../cordis-catalog/services.md). ## Alternatives considered **Inject full skill bodies into every system prompt.** Rejected because it destroys progressive disclosure and makes every request pay for instructions that may not apply. -**Expose skills only as slash commands.** Rejected for v1 because model-initiated loading is the core capability; slash/ACP command advertisement can layer on later without changing discovery. +**Expose skills only as slash commands.** Rejected because model-initiated loading is the core capability; slash/ACP command advertisement does not change discovery. **Put local filesystem scanning directly inside `ctx.skills`.** Rejected because coding agents, web agents, and future plugin ecosystems need different skill sources. A provider registry mirrors the subagent seam: the registry owns conflict resolution and consumers, while implementations own loading. -**Use a separate system-reminder message.** Rejected for the current loop because the provider-neutral system prompt surface is assembled through `system-prompt/assemble`. A later provider-specific surface can still split this fragment if needed. +**Use a system-prompt section.** Rejected because the rendered system prompt is a single string, while the catalog is a user-role `` message with request-only lifecycle requirements. [`agent/session-prefix`](2026-07-07-session-prefix.md) is the selected mechanism: it places the catalog ahead of derived history and records the composed message in the request header. -**Materialize built-in DSH authoring skills under `~/.dsh/skills/.system`.** Rejected for v1 because bundled skills should not write user home on startup, and the product can receive those skills from a later embedded or remote provider. +**Materialize built-in DSH authoring skills under `~/.dsh/skills/.system`.** Rejected because bundled skills do not write user home on startup, and embedded or remote providers supply configured skills. -**Recursively discover nested `**/SKILL.md`.** Rejected for v1. Flat files and one-level directory bundles cover the configured roots while keeping duplicate handling and prompt order easy to reason about. +**Recursively discover nested `**/SKILL.md`.** Rejected. Flat files and one-level directory bundles cover the configured roots while keeping duplicate handling and catalog order easy to reason about. **Hand-parse frontmatter.** Rejected because the accepted schema includes an open `metadata` object. A narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. ## Consequences -The agent-core spine now includes one more request-time contributor, one local provider, and one model-facing tool. Skill discovery is cwd-sensitive, so tests and callers that create agents with different session cwd values can observe different project skill overrides by design. +The agent-core spine includes one session-prefix contributor, one local provider, and one model-facing tool. Skill discovery is cwd-sensitive, so callers that create agents with different session cwd values can observe different project skill overrides by design. -The prompt fragment is deterministic for a fixed root set and runtime registration revision, but disk changes are not watched; discovery is memoized until runtime registration invalidates the cache or the process restarts. That keeps v1 simple and avoids adding file watching policy before there is a concrete user flow for hot-reloading skills. +The catalog is deterministic for a fixed root set and runtime registration revision, but disk changes are not watched; discovery is memoized until runtime registration invalidates the cache or the process restarts. diff --git a/docs/tool-catalog.md b/docs/tool-catalog.md index 74d56e1e3a..265c5eb9b5 100644 --- a/docs/tool-catalog.md +++ b/docs/tool-catalog.md @@ -348,7 +348,7 @@ The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an ` ### `skill` -Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt. +Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill. ```json { @@ -365,7 +365,7 @@ Load the full instructions for one available skill by name. Use this when the cu } ``` -Source: [`packages/core/tool-skill/src/index.ts`](../packages/core/tool-skill/src/index.ts) +Source: [`packages/skill/tool-skill/src/index.ts`](../packages/skill/tool-skill/src/index.ts) ## `@deepseek-ai/dsh-tool-subagent` diff --git a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl index eafd879f0a..8d0938306e 100644 --- a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl +++ b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl @@ -1,29 +1,29 @@ -{"type":"session","version":0,"id":"7c71aa6d-03f6-4b23-a997-5aa6304ce44e","createdAt":1783609396672,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ptkWg8"} -{"type":"turn/start","seq":0,"time":1783609396673,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783609396674,"data":{"content":[{"type":"text","text":"Load the dsh-skill-creator skill with the skill tool, then reply DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783609396682,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783609396683,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} -{"type":"assistant/chunk","seq":5,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Load the requested skill."}}} -{"type":"assistant/chunk","seq":6,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}} -{"type":"assistant/chunk","seq":7,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":1,"id":"call_skill_load","name":"skill","argumentsDelta":"{\"name\":\"dsh-skill-creator\"}"}}} -{"type":"assistant/chunk","seq":8,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"Load the requested skill."}}}} -{"type":"assistant/chunk","seq":9,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}}}} -{"type":"assistant/chunk","seq":10,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}}}} -{"type":"assistant/chunk","seq":11,"time":1783609396683,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} -{"type":"assistant/message","seq":12,"time":1783609396684,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"Load the requested skill."},{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}],"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[4,5,6,7,8,9,10,11],"surfaceOp":"append"} -{"type":"tool/call","seq":13,"time":1783609396684,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}} -{"type":"tool/result","seq":14,"time":1783609396685,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-ptkWg8/.dsh/skills/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}],"isError":false},"sourceEventSeqs":[13],"surfaceOp":"append"} -{"type":"step/end","seq":15,"time":1783609396685,"data":{"turn":1,"step":1}} -{"type":"step/start","seq":16,"time":1783609396685,"data":{"turn":1,"step":2}} -{"type":"assistant/chunk","seq":17,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} -{"type":"assistant/chunk","seq":18,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"The skill is loaded."}}} -{"type":"assistant/chunk","seq":19,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} -{"type":"assistant/chunk","seq":20,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"DONE"}}} -{"type":"assistant/chunk","seq":21,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The skill is loaded."}}}} -{"type":"assistant/chunk","seq":22,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"DONE"}}}} -{"type":"assistant/chunk","seq":23,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":180,"outputTokens":10,"cacheReadTokens":0,"reasoningTokens":4}}}} -{"type":"assistant/chunk","seq":24,"time":1783609396686,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} -{"type":"assistant/message","seq":25,"time":1783609396686,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The skill is loaded."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":180,"outputTokens":10,"cacheReadTokens":0,"reasoningTokens":4}},"sourceEventSeqs":[17,18,19,20,21,22,23,24],"surfaceOp":"append"} -{"type":"step/end","seq":26,"time":1783609396686,"data":{"turn":1,"step":2}} -{"type":"turn/end","seq":27,"time":1783609396686,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"session","version":0,"id":"9eb4181f-2d05-49d3-98fc-3711fe2f5664","createdAt":1783654655599,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW"} +{"type":"turn/start","seq":0,"time":1783654655602,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783654655603,"data":{"content":[{"type":"text","text":"Load the dsh-skill-creator skill with the skill tool, then reply DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783654655608,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783654655608,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}","messagePrefix":["{{messagePrefix}}"]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Load the requested skill."}}} +{"type":"assistant/chunk","seq":6,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":7,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":1,"id":"call_skill_load","name":"skill","argumentsDelta":"{\"name\":\"dsh-skill-creator\"}"}}} +{"type":"assistant/chunk","seq":8,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"Load the requested skill."}}}} +{"type":"assistant/chunk","seq":9,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}}}} +{"type":"assistant/chunk","seq":10,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}}}} +{"type":"assistant/chunk","seq":11,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":12,"time":1783654655609,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"Load the requested skill."},{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}],"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[4,5,6,7,8,9,10,11],"surfaceOp":"append"} +{"type":"tool/call","seq":13,"time":1783654655609,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}} +{"type":"tool/result","seq":14,"time":1783654655610,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"\n\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW/.dsh/skills/dsh-skill-creator\nResolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.\n\n\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\n"}],"isError":false},"sourceEventSeqs":[13],"surfaceOp":"append"} +{"type":"step/end","seq":15,"time":1783654655610,"data":{"turn":1,"step":1}} +{"type":"step/start","seq":16,"time":1783654655610,"data":{"turn":1,"step":2}} +{"type":"assistant/chunk","seq":17,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":18,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"The skill is loaded."}}} +{"type":"assistant/chunk","seq":19,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":20,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"DONE"}}} +{"type":"assistant/chunk","seq":21,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The skill is loaded."}}}} +{"type":"assistant/chunk","seq":22,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"DONE"}}}} +{"type":"assistant/chunk","seq":23,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":180,"outputTokens":10,"cacheReadTokens":0,"reasoningTokens":4}}}} +{"type":"assistant/chunk","seq":24,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":25,"time":1783654655611,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The skill is loaded."},{"type":"text","text":"DONE"}],"usage":{"inputTokens":180,"outputTokens":10,"cacheReadTokens":0,"reasoningTokens":4}},"sourceEventSeqs":[17,18,19,20,21,22,23,24],"surfaceOp":"append"} +{"type":"step/end","seq":26,"time":1783654655611,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":27,"time":1783654655611,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl index 764780c428..6c958b8f02 100644 --- a/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl @@ -2,7 +2,7 @@ {"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Load the requested skill."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_skill_load","title":"Load skill dsh-skill-creator","kind":"read","status":"in_progress","rawInput":"dsh-skill-creator"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skill_load","status":"completed","content":[{"type":"content","content":{"type":"text","text":"\n# Skill: dsh-skill-creator\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\nBase directory for this skill: {{cwd}}/.dsh/skills/dsh-skill-creator\nResolve relative files mentioned by this skill against the base directory before using them.\n"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skill_load","status":"completed","content":[{"type":"content","content":{"type":"text","text":"\n\nBase directory for this skill: {{cwd}}/.dsh/skills/dsh-skill-creator\nResolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.\n\n\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\n"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The skill is loaded."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"DONE"}}}} {"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl index a232435517..1e16252a95 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl @@ -1,36 +1,36 @@ -{"type":"session","version":0,"id":"b730423d-e85c-4b6d-a773-19819993f504","createdAt":1783609396263,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-Z31bhA"} -{"type":"turn/start","seq":0,"time":1783609396266,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783609396267,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783609396269,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783609396269,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-Z31bhA.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"skill","description":"Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} 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b/packages/README.md index 9f6daaabe1..ebb9ffe912 100644 --- a/packages/README.md +++ b/packages/README.md @@ -13,6 +13,7 @@ Packages are grouped by modular role at `packages///`. The group dir | [`bash/`](bash/README.md) | Bash capability family: the executor seam, a local impl, and the model-facing tool | Product — stable surface | | [`code-runtime/`](code-runtime/README.md) | Code-execution capability family: the abstract runtime seam for model-written programs + a worker-thread backend | Product — stable surface | | [`fs/`](fs/README.md) | Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools | Product — stable surface | +| [`skill/`](skill/README.md) | Skill capability family: the provider registry, local provider, and model-facing catalog/loader | Product — stable surface | | [`compact/`](compact/README.md) | Compaction capability family: the abstract seam + a basic backend (tool deferred) | Product — stable surface | | [`subagent/`](subagent/README.md) | Subagent capability family: the provider-registry seam and the model-facing delegation tool | Product — stable surface | | [`web/`](web/README.md) | Web capability family: the abstract seam, search/fetch provider impls, and the model-facing web tools | Product — stable surface | diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index 373cb14c7b..9e4235faf6 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -156,7 +156,6 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ 'register(skill: SkillRegistration): () => void', 'async list(options: SkillLookupOptions = {}): Promise', 'async get(name: string, options: SkillLookupOptions = {}): Promise', - 'async renderModelListing(options: SkillLookupOptions = {}): Promise', ], }, { @@ -691,7 +690,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [ }, { name: 'SkillLookupOptions', - declaration: 'export interface SkillLookupOptions {\n cwd?: string | undefined;\n}', + declaration: 'export interface SkillLookupOptions {\n cwd?: string | undefined;\n signal?: AbortSignal | undefined;\n}', }, { name: 'SkillProvider', diff --git a/packages/core/README.md b/packages/core/README.md index f0f6a38d3d..00b54f9fbc 100644 --- a/packages/core/README.md +++ b/packages/core/README.md @@ -1,19 +1,16 @@ # core/ — product API spine -The packages every harness build is assembled from: the session log, the system-prompt assembly, the tool registry, the agent vocabulary, and the one concrete loop that drives them. These are **product** packages — the stable surface plugins and consumers build against. +The session log, system-prompt assembly, tool registry, agent vocabulary, and concrete loop that form the harness's default control spine. These are **product** packages — the stable surface plugins and consumers build against. | Package | Role | ctx key | |---|---|---| | `session/` | Event-sourced session log + in-memory store | `ctx.sessions` | | `system-prompt/` | Prompt-section + tool-schema assembly registry | `ctx.systemPrompt` | | `tools/` | Tool registry + `tools/pre-execute`/`tools/post-execute` pipeline | `ctx.tools` | -| `skill/` | Agent skill provider registry + request-time skill listing | `ctx.skills` | -| `skill-local/` | Local filesystem skill provider | (registers on `ctx.skills`) | -| `tool-skill/` | Model-facing `skill` loader tool | (registers on `ctx.tools`) | | `agent/` | Agent interface, registry, `agent/*` event vocabulary | `ctx.agents` | | `agent-loop/` | The concrete loop plugin: `ReactLoopAgent` + the loop driver | `ctx.agentLoop` | | `agent-core/` | Bundle plugin: the default executor-less/UI-less spine as code | (loads the spine) | `agent-loop` is the one concrete implementation of the `agent` seam and lives here because it is the harness's default product loop; everything else in `core/` is interface/vocabulary. Plugins depend on the `agent` vocabulary, never on `agent-loop` directly, so the loop stays swappable. -`agent-core` is the composition counterpart: one bundle plugin that loads the default spine (`timer` + `llm` + sessions + system-prompt + tools + skill registry + local skill provider + agents + invariants + `tool-bash` + `tool-skill` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds the swappable backends plus any optional product tools it wants to expose. It lives in `core/` because it composes the shared core while leaving executors, LLM adapters, non-local skill providers, and UI front doors outside the bundle. +`agent-core` is the composition counterpart: one bundle plugin that loads the control spine plus selected default capabilities (`timer` + `llm` + sessions + system-prompt + tools + agents + invariants + the local [skill family](../skill/README.md) + `tool-bash` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds the swappable backends plus any optional product tools it wants to expose. It lives in `core/` because it composes the shared control spine while leaving executors, LLM adapters, alternate skill providers, and UI front doors outside the bundle. diff --git a/packages/core/agent-core/README.md b/packages/core/agent-core/README.md index 7551473976..9ed5b3666e 100644 --- a/packages/core/agent-core/README.md +++ b/packages/core/agent-core/README.md @@ -14,12 +14,12 @@ This is the package to read to see **the whole plugin tree at once** — the tea @deepseek-ai/dsh-session event-sourced session log + store @deepseek-ai/dsh-system-prompt prompt-section + tool-schema assembly @deepseek-ai/dsh-tools tool registry + tools/pre-execute/post-execute -@deepseek-ai/dsh-skill skill provider registry + prompt listing +@deepseek-ai/dsh-skill skill provider registry @deepseek-ai/dsh-skill-local local filesystem skill provider @deepseek-ai/dsh-agent agent registry + agent/* event vocabulary @deepseek-ai/dsh-invariants dev-mode event-contract assertions @deepseek-ai/dsh-tool-bash the model-facing bash/bash_output/bash_kill schemas -@deepseek-ai/dsh-tool-skill the model-facing skill loader schema +@deepseek-ai/dsh-tool-skill session-prefix skill catalog + model-facing loader schema @deepseek-ai/dsh-agent-loop THE concrete loop (gets the forwarded `agents`) (dsh-system-prompt gets the forwarded `persona`) ``` @@ -43,7 +43,7 @@ import type { Config } from '@deepseek-ai/dsh-agent-core' // so validation and defaulting can never drift from the owners. ``` -The bundle FORWARDS each field to the child that owns it: `agents` to `agent-loop` (default `[]`), so each app supplies its own pre-created agents — a stdio app pre-creates a `main`; the ACP app pre-creates none (it creates agents on demand at `session/new`) — `persona` to `dsh-system-prompt` (default `''`), the deployment's persona section; `toolOrder` to `dsh-system-prompt` (absent — lexicographic), the explicit model-facing tool order; and `skills.registry` / `skills.local` to the skill registry and local provider. Forwarding is exactly why the owners can live in the shared spine even though the apps disagree on what to configure. +The bundle FORWARDS each field to the child that owns it: `agents` to `agent-loop` (default `[]`), so each app supplies its own pre-created agents — a stdio app pre-creates a `main`; the ACP app pre-creates none (it creates agents on demand at `session/new`) — `persona` to `dsh-system-prompt` (default `''`), the deployment's persona section; `toolOrder` to `dsh-system-prompt` (absent — lexicographic), the explicit model-facing tool order; and `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer. Forwarding is exactly why the owners can live in the shared spine even though the apps disagree on what to configure. ## Why a code bundle, not a shared YAML include diff --git a/packages/core/agent-core/src/index.ts b/packages/core/agent-core/src/index.ts index 950fcc21d4..54756d08cb 100644 --- a/packages/core/agent-core/src/index.ts +++ b/packages/core/agent-core/src/index.ts @@ -62,12 +62,14 @@ import AgentLoop, { type Config as AgentLoopConfig } from '@deepseek-ai/dsh-agen export const name = 'agent-core' -/** Skill bundle config forwarded to the registry and the local provider. */ +/** Skill bundle config forwarded to the registry, local provider, and model-facing consumer. */ export interface SkillConfig { - /** Registry-level prompt/cache settings. */ + /** Registry-level discovery cache settings. */ registry?: SkillRegistryConfig /** Local filesystem skill provider settings. */ local?: SkillLocal.Config + /** Model-facing skill catalog and tool settings. */ + tool?: toolSkill.Config } /** @@ -75,7 +77,7 @@ export interface SkillConfig { * `agents` to the agent loop (an app that pre-creates no agents, like the ACP * bridge, simply omits it), `persona` and `toolOrder` to the system-prompt * plugin (the deployment's persona section and the explicit model-facing tool - * order), and `skills` to the skill registry/local provider. Every field is + * order), and `skills` to the skill registry/local provider/tool consumer. Every field is * optional INPUT here because each owner's schema supplies the default (`[]` / * `''` / absent — lexicographic / the DSH skill roots); the schema is the * INTERSECTION of the owners' own schemas, so validation and defaulting can @@ -88,7 +90,7 @@ export interface Config { persona?: SystemPromptConfig['persona'] /** The explicit model-facing tool order (see dsh-system-prompt's `Config`). */ toolOrder?: SystemPromptConfig['toolOrder'] - /** Skill registry and local provider config. */ + /** Skill registry, local provider, and model-facing consumer config. */ skills?: SkillConfig } @@ -96,6 +98,7 @@ export interface Config { export const SkillConfigSchema: z = z.object({ registry: SkillService.Config, local: SkillLocal.Config, + tool: toolSkill.Config, }) /** Intersect the owners' schemas so validation + defaulting stay identical. */ @@ -134,6 +137,6 @@ export function apply(ctx: Context, config: Config): void { ctx.plugin(AgentRegistry) ctx.plugin(invariants) ctx.plugin(toolBash) - ctx.plugin(toolSkill) + ctx.plugin(toolSkill, config.skills?.tool ?? {}) ctx.plugin(AgentLoop, { agents: config.agents ?? [] }) } diff --git a/packages/core/agent-core/tests/agent-core.spec.ts b/packages/core/agent-core/tests/agent-core.spec.ts index b1e02f3fc6..fb1bc7e1bd 100644 --- a/packages/core/agent-core/tests/agent-core.spec.ts +++ b/packages/core/agent-core/tests/agent-core.spec.ts @@ -7,6 +7,15 @@ import Loader from '@cordisjs/plugin-loader' import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' import * as agentCore from '../src/index.ts' import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Message } from '@deepseek-ai/dsh-llm' + +async function composePrefix(ctx: Context, cwd: string): Promise { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', { session: { header: { cwd } } } as never, + empty, new AbortController().signal, () => Promise.resolve(empty), + ) +} /** * Unit coverage for the @deepseek-ai/dsh-agent-core bundle: mounting it brings @@ -120,7 +129,7 @@ describe('dsh-agent-core bundle', () => { await ctx.fiber.dispose() }) - it('forwards skill config to the registry and local provider', async () => { + it('forwards skill config to the registry, local provider, and model-facing consumer', async () => { const home = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-home-')) const agentsHome = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-agents-')) const custom = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-custom-')) @@ -129,16 +138,17 @@ describe('dsh-agent-core bundle', () => { const ctx = await mount({ agents: [], skills: { - registry: { promptFieldMaxLength: 6 }, + registry: { collectCacheMaxEntries: 4 }, local: { dshHome: join(home, '.dsh'), agentsHome: join(agentsHome, '.agents'), customSkillDirs: [custom], }, + tool: { catalogDescriptionMaxLength: 6 }, }, }) expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['custom-skill']) - expect(await ctx.skills.renderModelListing()).toContain('description: Cus...') + expect(JSON.stringify(await composePrefix(ctx, '/tmp'))).toContain('- `custom-skill`: Cus...') await ctx.fiber.dispose() }) diff --git a/packages/core/agent-core/tsconfig.json b/packages/core/agent-core/tsconfig.json index 394ecf1fc3..4fd0a81e97 100644 --- a/packages/core/agent-core/tsconfig.json +++ b/packages/core/agent-core/tsconfig.json @@ -33,13 +33,13 @@ "path": "../../core/tools" }, { - "path": "../../core/skill" + "path": "../../skill/skill" }, { - "path": "../../core/skill-local" + "path": "../../skill/skill-local" }, { - "path": "../../core/tool-skill" + "path": "../../skill/tool-skill" }, { "path": "../../core/agent" diff --git a/packages/core/skill/README.md b/packages/core/skill/README.md deleted file mode 100644 index 3e1b7ee460..0000000000 --- a/packages/core/skill/README.md +++ /dev/null @@ -1,38 +0,0 @@ -# @deepseek-ai/dsh-skill - -Agent skill provider registry and model-facing skill guidance. - -This package owns the `ctx.skills` interface. It does not know whether skills come from local files, embedded plugin data, HTTP, or another backend; providers register those sources with `ctx.skills.registerProvider(...)`. The shipped local implementation is [`@deepseek-ai/dsh-skill-local`](../skill-local). - -## Service: `SkillService` (ctx key: `skills`) - -### Public API - -- `ctx.skills.registerProvider(provider): () => void` Registers a provider by unique `provider.name`. Duplicate provider names throw, and `runtime` is reserved for `ctx.skills.register(...)`. The registration is effect-scoped and HMR-safe. -- `ctx.skills.list({ cwd? })` Returns model-invocable skill summaries for the current workspace, merged across providers. -- `ctx.skills.get(name, { cwd? })` Returns the full winning skill, including disabled-for-model skills. -- `ctx.skills.register(skill): () => void` Registers a runtime embedded skill. Same-name runtime registrations are first-wins: a duplicate logs a warning and gets a no-op disposer. -- `ctx.skills.renderModelListing({ cwd? })` Renders the request-time `## Skills` catalog. - -### Config - -| Field | Default | Meaning | -|---|---|---| -| `promptFieldMaxLength` | `500` | Maximum rendered `description` / `whenToUse` length in the prompt listing; must be at least `3` because truncated fields reserve `...`. | -| `collectCacheMaxEntries` | `128` | Maximum cwd/provider discovery promises kept in memory. | - -## Provider Contract - -A provider returns `SkillCandidate[]` from `list(options)` and later receives the winning candidate back in `get(candidate, options)`. The candidate's `locator` is opaque to the registry, so a local provider can store a file path while a future HTTP provider can store a URL, id, or version token. - -The registry validates candidate names, descriptions, ranks, and provider ownership. Candidate contract violations fail fast because the provider plugin is malformed; a provider `list()` rejection is treated as a transient source failure, logged, skipped for that request, and not cached. Duplicate skill names are resolved first-wins by `rank`, provider registration order, then the provider's own local order. The final model-visible summary list is sorted by skill `name` for deterministic prompt text and provider prefix-cache friendliness. - -## Runtime Skills - -`ctx.skills.register(...)` is a convenience for embedded runtime skills. Runtime skills use rank `250`: project providers can override them, while they override the shipped local provider's custom and user roots. Runtime registration is also first-wins within runtime contributions, so a duplicate contribution cannot remove the active one through its disposer. - -## Prompt Integration - -The service listens on `system-prompt/assemble` and appends a short `## Skills` section to the calling agent's assembled system prompt. The listing contains only stable routing metadata (`name`, `source`, `description`, and optional `whenToUse`), not skill bodies or absolute local paths. `description` and `whenToUse` are whitespace-normalized, capped, XML-escaped, and have `{{` / `}}` delimiters split so provider text cannot trip prompt-variable interpolation. Models load full instructions through the `skill` tool. - -The prompt-injection surface is intentionally separate from provider loading: changing where skills come from means adding or swapping providers, not changing prompt assembly or the `skill` tool. diff --git a/packages/core/tool-skill/README.md b/packages/core/tool-skill/README.md deleted file mode 100644 index 07e3c5beee..0000000000 --- a/packages/core/tool-skill/README.md +++ /dev/null @@ -1,15 +0,0 @@ -# @deepseek-ai/dsh-tool-skill - -The model-facing `skill` tool for loading full skill instructions. - -Requires `ctx.tools` and `ctx.skills` (`inject: ['tools', 'skills']`). - -## Tool: `skill` - -| Arg | Type | Notes | -|---|---|---| -| `name` | string (required) | Exact kebab-case skill name from the available skills listing. | - -Execution uses the calling agent's `session.header.cwd` so workspace-sensitive providers can resolve the right winning skill. A successful call returns a text block containing ``, the skill body, and provider resource guidance. Local filesystem skills include a base directory for resolving relative files; remote or embedded providers can return URL or opaque provider-managed guidance instead. Unknown names, invalid names, and skills marked `disableModelInvocation: true` return `isError` tool results through the normal tool registry error path. - -The tool does not call `agent.inject()` in v1. Its result is already recorded as the tool result and becomes available to the next model step without duplicating the content as synthetic context. diff --git a/packages/core/tool-skill/src/index.ts b/packages/core/tool-skill/src/index.ts deleted file mode 100644 index d234e2742b..0000000000 --- a/packages/core/tool-skill/src/index.ts +++ /dev/null @@ -1,73 +0,0 @@ -/** - * Model-facing `skill` tool. - * - * @module @deepseek-ai/dsh-tool-skill - */ - -import type { Context } from 'cordis' -import { defineTool } from '@deepseek-ai/dsh-tools' -import { assertNever } from '@deepseek-ai/dsh-llm' -import { isSkillName, type SkillDefinition } from '@deepseek-ai/dsh-skill' - -export const name = 'tool-skill' -export const inject = ['tools', 'skills'] - -export function apply(ctx: Context): void { - const skillTool = defineTool({ - name: 'skill', - description: 'Load the full instructions for one available skill by name. Use this when the current task matches a skill listed in the system prompt.', - parameters: { - name: { type: 'string', required: true, description: 'The exact skill name from the available skills list.' }, - }, - async execute(args, exec) { - if (!isSkillName(args.name)) { - throw new Error(`invalid skill name "${args.name}"`) - } - const skill = await ctx.skills.get(args.name, { cwd: exec.agent?.session.header.cwd }) - if (!skill) { - throw new Error(`unknown skill "${args.name}"`) - } - if (skill.disableModelInvocation === true) { - throw new Error(`skill "${args.name}" is not available for model invocation`) - } - return [{ type: 'text', text: renderSkillContent(skill) }] - }, - presentCall(args) { - return { card: 'generic', title: `Load skill ${args.name}`, kind: 'read', rawInput: args.name } - }, - }) - ctx.tools.register(skillTool) -} - -function renderSkillContent(skill: SkillDefinition): string { - const resourceHint = renderResourceHint(skill) - return [ - ``, - `# Skill: ${skill.name}`, - '', - skill.content, - '', - ...resourceHint, - '', - ].join('\n') -} - -function renderResourceHint(skill: SkillDefinition): string[] { - const base = skill.resourceBase - if (base === undefined) { - return [`Resources for this skill are managed by provider "${skill.provider}".`] - } - switch (base.kind) { - case 'directory': - return [ - `Base directory for this skill: ${base.path}`, - 'Resolve relative files mentioned by this skill against the base directory before using them.', - ] - case 'url': - return [`Base URL for this skill: ${base.url}`] - case 'opaque': - return [`Resources for this skill: ${base.description}`] - default: - return assertNever(base, 'SkillResourceBase.kind') - } -} diff --git a/packages/core/tool-skill/tests/tool-skill.spec.ts b/packages/core/tool-skill/tests/tool-skill.spec.ts deleted file mode 100644 index fe87f01462..0000000000 --- a/packages/core/tool-skill/tests/tool-skill.spec.ts +++ /dev/null @@ -1,149 +0,0 @@ -import { describe, expect, it } from 'vitest' -import { mkdir, writeFile } from 'node:fs/promises' -import { join } from 'node:path' -import { tmpdir } from 'node:os' -import { Context } from 'cordis' -import { CallId } from '@deepseek-ai/dsh-llm' -import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry from '@deepseek-ai/dsh-tools' -import SkillService from '@deepseek-ai/dsh-skill' -import * as SkillLocal from '@deepseek-ai/dsh-skill-local' -import * as toolSkill from '@deepseek-ai/dsh-tool-skill' - -async function tempDir(name: string): Promise { - return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) -} - -async function writeSkill(root: string, name: string, description: string, body: string): Promise { - const dir = join(root, name) - await mkdir(dir, { recursive: true }) - await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) -} - -async function setup(home: string): Promise { - const ctx = new Context() - await ctx.plugin(SystemPrompt) - await ctx.plugin(ToolRegistry) - await ctx.plugin(SkillService) - await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) - await ctx.plugin(toolSkill) - return ctx -} - -describe('dsh-tool-skill', () => { - it('registers the skill tool schema and removes it on dispose', async () => { - const ctx = new Context() - await ctx.plugin(SystemPrompt) - await ctx.plugin(ToolRegistry) - const home = await tempDir('tool-schema') - await ctx.plugin(SkillService) - await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) - - const fiber = await ctx.plugin(toolSkill) - expect(ctx.tools.schemas().map(tool => tool.name)).toEqual(['skill']) - expect(ctx.tools.get('skill')?.presentCall?.({ name: 'project-skill' })).toEqual({ - card: 'generic', - title: 'Load skill project-skill', - kind: 'read', - rawInput: 'project-skill', - }) - await fiber.dispose() - expect(ctx.tools.schemas()).toEqual([]) - }) - - it('loads a skill for the calling agent cwd', async () => { - const home = await tempDir('tool-load') - const project = await tempDir('tool-project') - await mkdir(join(project, '.git'), { recursive: true }) - await writeSkill(join(project, '.dsh/skills'), 'project-skill', 'Project skill', 'Project instructions.') - const ctx = await setup(home) - - const result = await ctx.tools.execute({ - callId: CallId('c1'), - name: 'skill', - arguments: { name: 'project-skill' }, - agent: { session: { header: { cwd: project } } } as never, - }) - - expect(result.isError).toBe(false) - const block = result.content[0] - expect(block?.type).toBe('text') - if (block?.type !== 'text') throw new Error('expected text skill result') - expect(block.text).toContain('') - expect(block.text).toContain('Project instructions.') - }) - - it('renders provider-managed resource hints for non-local skills', async () => { - const home = await tempDir('tool-resource-hints') - const ctx = await setup(home) - ctx.skills.register({ - name: 'opaque-skill', - description: 'Opaque skill', - source: 'runtime', - provider: 'runtime', - resourceBase: { kind: 'opaque', description: 'runtime memory' }, - content: 'Opaque instructions.', - }) - ctx.skills.register({ - name: 'url-skill', - description: 'URL skill', - source: 'runtime', - provider: 'runtime', - resourceBase: { kind: 'url', url: 'https://skills.example.test/url-skill' }, - content: 'URL instructions.', - }) - ctx.skills.register({ - name: 'provider-skill', - description: 'Provider skill', - source: 'runtime', - provider: 'runtime', - content: 'Provider instructions.', - }) - - const opaque = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'opaque-skill' } }) - const url = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'url-skill' } }) - const provider = await ctx.tools.execute({ callId: CallId('c4'), name: 'skill', arguments: { name: 'provider-skill' } }) - - if (opaque.content[0]?.type !== 'text' || url.content[0]?.type !== 'text' || provider.content[0]?.type !== 'text') { - throw new Error('expected text tool results') - } - expect(opaque.content[0].text).toContain('Resources for this skill: runtime memory') - expect(url.content[0].text).toContain('Base URL for this skill: https://skills.example.test/url-skill') - expect(provider.content[0].text).toContain('Resources for this skill are managed by provider "runtime"') - }) - - it('fails loud on an unknown resource base kind', async () => { - const home = await tempDir('tool-resource-assert-never') - const ctx = await setup(home) - ctx.skills.register({ - name: 'rogue-resource-skill', - description: 'Rogue resource skill', - source: 'runtime', - provider: 'runtime', - resourceBase: { kind: 'future' } as never, - content: 'Rogue instructions.', - }) - - const result = await ctx.tools.execute({ callId: CallId('c5'), name: 'skill', arguments: { name: 'rogue-resource-skill' } }) - - expect(result.isError).toBe(true) - const block = result.content[0] - if (block?.type !== 'text') throw new Error('expected text tool result') - expect(block.text).toContain('unreachable variant') - }) - - it('returns isError for unknown, invalid, and model-disabled skills', async () => { - const home = await tempDir('tool-errors') - await writeSkill(join(home, '.dsh/skills'), 'hidden-skill', 'Hidden skill', 'Hidden instructions.') - await writeFile(join(home, '.dsh/skills/hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: Hidden skill\ndisableModelInvocation: true\n---\n\nHidden instructions.\n') - const ctx = await setup(home) - - const unknown = await ctx.tools.execute({ callId: CallId('c1'), name: 'skill', arguments: { name: 'missing' } }) - const invalid = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'Bad_Name' } }) - const disabled = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'hidden-skill' } }) - - expect(unknown.isError).toBe(true) - expect(invalid.isError).toBe(true) - expect(disabled.isError).toBe(true) - }) -}) diff --git a/packages/skill/README.md b/packages/skill/README.md new file mode 100644 index 0000000000..447b82fc47 --- /dev/null +++ b/packages/skill/README.md @@ -0,0 +1,11 @@ +# skill/ - skill capability family + +The canonical three-package capability seam for reusable agent instructions: a provider registry, a local implementation, and the model-facing catalog/loader consumer. All are **product** packages. + +| Package | Role | ctx key | +|---|---|---| +| `skill/` | Provider registry, precedence resolution, stable catalog snapshots, and full-definition lookup | `ctx.skills` | +| `skill-local/` | Project/custom/user filesystem provider | (registers on `ctx.skills`) | +| `tool-skill/` | Session-prefix catalog and model-facing `skill` loader | (registers on `ctx.tools`) | + +The interface lives at `skill/skill/`. Providers register synchronously and perform asynchronous discovery through `ctx.skills`; `tool-skill` consumes only that interface, so an embedded or remote provider can replace or complement `skill-local` without changing the model-facing contract. `agent-core` loads this family by default, but it remains a capability outside the core control spine, parallel to [`bash/`](../bash/README.md), [`fs/`](../fs/README.md), [`web/`](../web/README.md), and [`subagent/`](../subagent/README.md). diff --git a/packages/core/skill-local/README.md b/packages/skill/skill-local/README.md similarity index 93% rename from packages/core/skill-local/README.md rename to packages/skill/skill-local/README.md index 5fedc92bc4..8f1b4f9e98 100644 --- a/packages/core/skill-local/README.md +++ b/packages/skill/skill-local/README.md @@ -2,7 +2,7 @@ Local filesystem provider for the `ctx.skills` registry. -This package implements one skill source. It scans local project, custom, and user skill roots, parses `SKILL.md` or flat Markdown skill files, and registers the provider on `ctx.skills`. The registry, prompt listing, and model-facing loader tool remain in `@deepseek-ai/dsh-skill` and `@deepseek-ai/dsh-tool-skill`. +This package implements one skill source. It scans local project, custom, and user skill roots, parses `SKILL.md` or flat Markdown skill files, and registers the provider on `ctx.skills`. The registry remains in `@deepseek-ai/dsh-skill`; the session-prefix catalog and model-facing loader tool remain in `@deepseek-ai/dsh-tool-skill`. ## Plugin diff --git a/packages/core/skill-local/package.json b/packages/skill/skill-local/package.json similarity index 100% rename from packages/core/skill-local/package.json rename to packages/skill/skill-local/package.json diff --git a/packages/core/skill-local/src/index.ts b/packages/skill/skill-local/src/index.ts similarity index 100% rename from packages/core/skill-local/src/index.ts rename to packages/skill/skill-local/src/index.ts diff --git a/packages/core/skill-local/tests/skill-local.spec.ts b/packages/skill/skill-local/tests/skill-local.spec.ts similarity index 100% rename from packages/core/skill-local/tests/skill-local.spec.ts rename to packages/skill/skill-local/tests/skill-local.spec.ts diff --git a/packages/core/skill-local/tsconfig.json b/packages/skill/skill-local/tsconfig.json similarity index 100% rename from packages/core/skill-local/tsconfig.json rename to packages/skill/skill-local/tsconfig.json diff --git a/packages/skill/skill/README.md b/packages/skill/skill/README.md new file mode 100644 index 0000000000..98f787dbc7 --- /dev/null +++ b/packages/skill/skill/README.md @@ -0,0 +1,34 @@ +# @deepseek-ai/dsh-skill + +Pure agent skill provider registry. + +This package owns the `ctx.skills` interface. It does not know whether skills come from local files, embedded plugin data, HTTP, or another backend; providers register those sources with `ctx.skills.registerProvider(...)`. The shipped local implementation is [`@deepseek-ai/dsh-skill-local`](../skill-local). + +## Service: `SkillService` (ctx key: `skills`) + +### Public API + +- `ctx.skills.registerProvider(provider): () => void` Registers a provider by unique `provider.name`. Duplicate provider names throw, and `runtime` is reserved for `ctx.skills.register(...)`. The registration is effect-scoped and HMR-safe. +- `ctx.skills.list({ cwd?, signal? })` Returns model-invocable skill summaries for the current workspace, merged across providers and sorted by name. +- `ctx.skills.get(name, { cwd?, signal? })` Returns the full winning skill, including disabled-for-model skills. +- `ctx.skills.register(skill): () => void` Registers a runtime embedded skill. Same-name runtime registrations are first-wins: a duplicate logs a warning and gets a no-op disposer. + +### Config + +| Field | Default | Meaning | +|---|---|---| +| `collectCacheMaxEntries` | `128` | Maximum completed cwd/provider catalog snapshots kept in memory. | + +## Provider Contract + +A provider registers synchronously from its `apply()` and returns `SkillCandidate[]` from `list(options)` when discovery is requested. Remote setup, authentication, and discovery belong in the awaited `list()` call rather than plugin registration. Providers should stop promptly when `options.signal` aborts; the registry also stops awaiting an uncooperative provider so agent cancellation cannot hang prefix composition. The provider later receives the winning candidate back in `get(candidate, options)`. The candidate's `locator` is opaque to the registry, so a local provider can store a file path while a remote provider can store a URL, id, or version token. + +The registry validates candidate names, descriptions, ranks, and provider ownership. Candidate contract violations fail fast because the provider plugin is malformed; a provider `list()` rejection is treated as a transient source failure, logged, skipped for that request, and not cached. Only completed catalogs are cached, and a provider/runtime revision change during discovery discards the stale result and retries. Duplicate skill names are resolved first-wins by `rank`, provider registration order, then the provider's own local order. The final summary list is sorted by skill `name` for deterministic consumers. + +## Runtime Skills + +`ctx.skills.register(...)` is a convenience for embedded runtime skills. Runtime skills use rank `250`: project providers can override them, while they override the shipped local provider's custom and user roots. Runtime registration is also first-wins within runtime contributions, so a duplicate contribution cannot remove the active one through its disposer. + +## Consumer boundary + +The registry does not render model guidance or register model-facing tools. [`@deepseek-ai/dsh-tool-skill`](../tool-skill) consumes `ctx.skills` to provide the session-prefix catalog and `skill` tool, so providers remain independent of the model surface. diff --git a/packages/core/skill/package.json b/packages/skill/skill/package.json similarity index 69% rename from packages/core/skill/package.json rename to packages/skill/skill/package.json index 82a43dd6a0..b303e16bed 100644 --- a/packages/core/skill/package.json +++ b/packages/skill/skill/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-skill", - "description": "Agent skill provider registry and prompt listing for the DeepSeek Harness", + "description": "Agent skill provider registry for the DeepSeek Harness", "version": "0.0.1", "private": true, "type": "module", @@ -22,16 +22,12 @@ ], "license": "BSD-3-Clause", "peerDependencies": { - "@deepseek-ai/dsh-agent": "^0.0.1", - "@deepseek-ai/dsh-system-prompt": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "dependencies": { "schemastery": "^3.18.0" }, "devDependencies": { - "@deepseek-ai/dsh-agent": "workspace:^", - "@deepseek-ai/dsh-system-prompt": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/core/skill/src/index.ts b/packages/skill/skill/src/index.ts similarity index 74% rename from packages/core/skill/src/index.ts rename to packages/skill/skill/src/index.ts index b4e29cc758..50a8b5d0d0 100644 --- a/packages/core/skill/src/index.ts +++ b/packages/skill/skill/src/index.ts @@ -1,10 +1,10 @@ /** - * Agent skill registry and request-time catalog rendering. + * Agent skill provider registry. * * This package is the interface third of the skill capability seam. Concrete * providers such as `@deepseek-ai/dsh-skill-local` decide where skills come * from; this service only merges provider catalogs, resolves the winning skill - * for a name, and exposes the model-facing catalog/tool consumers use. + * for a name, and exposes the winning summaries and definitions to consumers. * * @module @deepseek-ai/dsh-skill */ @@ -12,15 +12,11 @@ import { Context, Service } from 'cordis' import z from 'schemastery' import type Schema from 'schemastery' -import type {} from '@deepseek-ai/dsh-system-prompt' -import type {} from '@deepseek-ai/dsh-agent' const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ -const DEFAULT_PROMPT_FIELD_LENGTH = 500 const DEFAULT_COLLECT_CACHE_ENTRIES = 128 const RUNTIME_PROVIDER = 'runtime' const RUNTIME_RANK = 250 -const SKILL_PROMPT_SECTION_ORDER = 1000 /** * Return whether a string is a valid kebab-case skill name. @@ -83,9 +79,11 @@ export interface SkillDefinition extends SkillSummary { /** Runtime skill contribution accepted by `ctx.skills.register()`. */ export type SkillRegistration = Omit & { provider?: string } -/** Workspace selector used for cwd-sensitive provider discovery. */ +/** Caller context used for cwd-sensitive and abortable provider work. */ export interface SkillLookupOptions { cwd?: string | undefined + /** Abort discovery or loading work for the current caller. */ + signal?: AbortSignal | undefined } /** Provider interface for one source of skills, such as local directories or a remote registry. */ @@ -93,15 +91,18 @@ export interface SkillProvider { /** Unique provider name in the `ctx.skills` registry. */ name: string /** - * List available skill candidates for the current lookup context. - * @param options - lookup options; `cwd` selects workspace-sensitive skills. + * List available skill candidates for the current lookup context. Provider + * plugins register synchronously during `apply()`; remote initialization, + * authentication, and discovery are awaited inside this method. Implementations + * should settle promptly when `options.signal` aborts. + * @param options - lookup options; `cwd` selects workspace-sensitive skills and `signal` cancels work. * @returns provider candidates with precedence ranks and opaque locators. */ list(options: SkillLookupOptions): Promise /** * Load a complete skill body for a previously listed candidate. * @param candidate - the winning candidate originally returned by this provider. - * @param options - lookup options; `cwd` selects workspace-sensitive skills. + * @param options - lookup options; `cwd` selects workspace-sensitive skills and `signal` cancels work. * @returns the full skill body, or `undefined` if it is no longer loadable. */ get(candidate: SkillCandidate, options: SkillLookupOptions): Promise @@ -109,9 +110,7 @@ export interface SkillProvider { /** Skill registry configuration. */ export interface Config { - /** Maximum rendered description/whenToUse length in the prompt listing; minimum 3. */ - promptFieldMaxLength?: number - /** Maximum number of cwd/provider discovery promises kept in the in-memory cache. */ + /** Maximum number of completed cwd/provider catalog snapshots kept in memory. */ collectCacheMaxEntries?: number } @@ -152,52 +151,35 @@ interface CollectResult { /** * Registry of skill providers. It merges provider catalogs with stable - * first-wins duplicate handling, exposes sorted model-visible summaries, loads - * full skill bodies on demand, and renders the request-time catalog fragment. + * first-wins duplicate handling, exposes sorted model-visible summaries, and + * loads full skill bodies on demand. */ export class SkillService extends Service { static Config: Schema = z.object({ - promptFieldMaxLength: z.number().default(DEFAULT_PROMPT_FIELD_LENGTH), collectCacheMaxEntries: z.number().default(DEFAULT_COLLECT_CACHE_ENTRIES), }) - private readonly promptFieldMaxLength: number private readonly collectCacheMaxEntries: number private readonly providers = new Map() private readonly runtime = new Map() - private readonly collectCache = new Map>() + private readonly collectCache = new Map() private providerRevision = 0 private nextProviderOrder = 0 private runtimeRevision = 0 constructor(ctx: Context, config: Config = {}) { super(ctx, 'skills') - this.promptFieldMaxLength = config.promptFieldMaxLength ?? DEFAULT_PROMPT_FIELD_LENGTH this.collectCacheMaxEntries = config.collectCacheMaxEntries ?? DEFAULT_COLLECT_CACHE_ENTRIES - assertPositiveInteger('promptFieldMaxLength', this.promptFieldMaxLength, 3) assertPositiveInteger('collectCacheMaxEntries', this.collectCacheMaxEntries) - - ctx.on('system-prompt/assemble', async (_assembly, context, next) => { - const result = await next() - const agent = context.agent - if (agent === undefined) return result - const listing = await this.renderModelListing({ cwd: agent.session.header.cwd }) - if (listing.length > 0) { - result.sections.push({ - name: 'skills:available', - order: SKILL_PROMPT_SECTION_ORDER, - text: listing, - }) - } - return result - }) } /** - * Register a skill provider. Throws if another provider already owns the same - * provider name, including the reserved runtime provider name. Effect-scoped - * and HMR-safe: disposing the caller's fiber unregisters the provider and - * invalidates cached catalogs. + * Register a skill provider synchronously during the provider plugin's + * `apply()`. Throws if another provider already owns the same provider name, + * including the reserved runtime provider name. Providers that need remote + * initialization do that work inside `list()` after registration. Effect- + * scoped and HMR-safe: disposing the caller's fiber unregisters the provider + * and invalidates cached catalogs. * @param provider - the provider to register by `provider.name`. * @returns a disposer that unregisters this provider. */ @@ -252,7 +234,7 @@ export class SkillService extends Service { /** * List model-invocable skill summaries for a workspace. - * @param options - lookup options; `cwd` selects the project roots to scan. + * @param options - lookup options; `cwd` selects project roots and `signal` cancels discovery. * @returns sorted summaries, excluding skills disabled for model invocation. */ async list(options: SkillLookupOptions = {}): Promise { @@ -260,13 +242,13 @@ export class SkillService extends Service { .map(entry => entry.candidate) .filter(skill => skill.disableModelInvocation !== true) .map(toSummary) - .sort(compareSummary) + .sort(compareSkillSummary) } /** * Load one full skill definition by name. * @param name - kebab-case skill name. - * @param options - lookup options; `cwd` selects workspace-sensitive skills. + * @param options - lookup options; `cwd` selects workspace-sensitive skills and `signal` cancels work. * @returns the full skill, including body content, or `undefined`. */ async get(name: string, options: SkillLookupOptions = {}): Promise { @@ -276,51 +258,27 @@ export class SkillService extends Service { return await match.provider.get(match.candidate, options) } - /** - * Render the request-time `## Skills` prompt fragment. - * @param options - lookup options; `cwd` selects workspace-sensitive skills. - * @returns an empty string when no model-invocable skills are available. - */ - async renderModelListing(options: SkillLookupOptions = {}): Promise { - const skills = await this.list(options) - if (skills.length === 0) return '' - const entries = skills.map((skill) => { - const lines = [ - ``, - `description: ${promptLine(skill.description, this.promptFieldMaxLength)}`, - ...skill.whenToUse ? [`whenToUse: ${promptLine(skill.whenToUse, this.promptFieldMaxLength)}`] : [], - '', - ] - return lines.join('\n') - }).join('\n') - return [ - '## Skills', - 'Available skills are listed below. Load a skill with the `skill` tool before following its instructions; do not infer or follow instructions from a skill body that has not been loaded.', - '', - entries, - '', - ].join('\n') - } - private async collect(options: SkillLookupOptions): Promise { - const key = collectCacheKey(options, this.providerRevision, this.runtimeRevision) - const cached = this.collectCache.get(key) - if (cached !== undefined) return cached + options.signal?.throwIfAborted() + while (true) { + const providerRevision = this.providerRevision + const runtimeRevision = this.runtimeRevision + const key = collectCacheKey(options, providerRevision, runtimeRevision) + const cached = this.collectCache.get(key) + if (cached !== undefined) return cached - const collected = this.collectFresh(options) - const cachedPromise = collected.then((result) => { - if (!result.cacheable) this.collectCache.delete(key) + const result = await this.collectFresh(options) + options.signal?.throwIfAborted() + if (providerRevision !== this.providerRevision || runtimeRevision !== this.runtimeRevision) continue + if (result.cacheable) { + this.collectCache.set(key, result.entries) + if (this.collectCache.size > this.collectCacheMaxEntries) { + const oldest = this.collectCache.keys().next() as IteratorYieldResult + this.collectCache.delete(oldest.value) + } + } return result.entries - }).catch((error: unknown) => { - this.collectCache.delete(key) - throw error - }) - this.collectCache.set(key, cachedPromise) - if (this.collectCache.size > this.collectCacheMaxEntries) { - const oldest = this.collectCache.keys().next() as IteratorYieldResult - this.collectCache.delete(oldest.value) } - return cachedPromise } private async collectFresh(options: SkillLookupOptions): Promise { @@ -341,10 +299,11 @@ export class SkillService extends Service { } private async listAllCandidates(options: SkillLookupOptions): Promise { + options.signal?.throwIfAborted() const candidates: IndexedCandidate[] = [] let cacheable = true let runtimeOrder = 0 - for (const skill of [...this.runtime.values()].sort((a, b) => a.name.localeCompare(b.name))) { + for (const skill of [...this.runtime.values()].sort((a, b) => compareCodePoints(a.name, b.name))) { candidates.push({ candidate: runtimeCandidate(skill), provider: RUNTIME_SKILL_PROVIDER, @@ -353,13 +312,16 @@ export class SkillService extends Service { }) runtimeOrder += 1 } - for (const { provider, order } of this.providers.values()) { + for (const { provider, order } of [...this.providers.values()]) { let localOrder = 0 - const listed = await provider.list(options).catch((error: unknown) => { + let listed: SkillCandidate[] | undefined + try { + listed = await waitWithAbort(provider.list(options), options.signal) + } catch (error) { + if (options.signal?.aborted === true) throw toError(options.signal.reason) cacheable = false this.ctx.logger.warn(`skill provider "${provider.name}" skipped: ${errorMessage(error)}`) - return undefined - }) + } if (listed === undefined) continue for (const candidate of listed) { validateCandidate(candidate, provider.name) @@ -436,8 +398,14 @@ function toSummary(skill: SkillDefinition | SkillCandidate): SkillSummary { } } -function compareSummary(left: SkillSummary, right: SkillSummary): number { - return left.name.localeCompare(right.name) +function compareSkillSummary(left: SkillSummary, right: SkillSummary): number { + return compareCodePoints(left.name, right.name) +} + +function compareCodePoints(left: string, right: string): number { + if (left < right) return -1 + if (left > right) return 1 + return 0 } function compareIndexedCandidates(left: IndexedCandidate, right: IndexedCandidate): number { @@ -446,36 +414,46 @@ function compareIndexedCandidates(left: IndexedCandidate, right: IndexedCandidat || left.localOrder - right.localOrder } -function promptLine(value: string, maxLength: number): string { - const normalized = value.replaceAll(/\s+/g, ' ').trim() - const truncated = normalized.length <= maxLength - ? normalized - : `${normalized.slice(0, maxLength - 3)}...` - return escapeText(breakPromptTemplateDelimiters(truncated)) -} - -function breakPromptTemplateDelimiters(value: string): string { - return value.replaceAll('{{', '{ {').replaceAll('}}', '} }') -} - function assertPositiveInteger(name: string, value: number, minimum = 1): void { if (!Number.isInteger(value) || value < minimum) { throw new Error(`skill: ${name} must be an integer greater than or equal to ${minimum}`) } } -function escapeAttr(value: string): string { - return value.replaceAll('&', '&').replaceAll('"', '"').replaceAll('<', '<') -} - -function escapeText(value: string): string { - return value.replaceAll('&', '&').replaceAll('<', '<').replaceAll('>', '>') -} - function collectCacheKey(options: SkillLookupOptions, providerRevision: number, runtimeRevision: number): string { return JSON.stringify({ cwd: options.cwd, providerRevision, runtimeRevision }) } +function waitWithAbort(promise: Promise, signal: AbortSignal | undefined): Promise { + if (signal === undefined) return promise + signal.throwIfAborted() + return new Promise((resolve, reject) => { + const cleanup = (): void => { + signal.removeEventListener('abort', onAbort) + } + const onAbort = (): void => { + cleanup() + reject(toError(signal.reason)) + } + signal.addEventListener('abort', onAbort, { once: true }) + void promise.then( + (value) => { + cleanup() + resolve(value) + }, + (error: unknown) => { + cleanup() + reject(toError(error)) + }, + ) + if (signal.aborted) onAbort() + }) +} + +function toError(error: unknown): Error { + return error instanceof Error ? error : new Error(String(error)) +} + function errorMessage(error: unknown): string { return String(error) } diff --git a/packages/core/skill/tests/skill.spec.ts b/packages/skill/skill/tests/skill.spec.ts similarity index 66% rename from packages/core/skill/tests/skill.spec.ts rename to packages/skill/skill/tests/skill.spec.ts index e51468674a..010d161039 100644 --- a/packages/core/skill/tests/skill.spec.ts +++ b/packages/skill/skill/tests/skill.spec.ts @@ -1,11 +1,6 @@ -import { describe, expect, it } from 'vitest' +import { describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' import SkillService, { type SkillCandidate, type SkillDefinition, type SkillLookupOptions, type SkillProvider } from '@deepseek-ai/dsh-skill' -import SystemPrompt, { renderPrompt } from '@deepseek-ai/dsh-system-prompt' - -function agentForCwd(cwd: string): never { - return { session: { header: { cwd } } } as never -} function memorySkill(name: string, description: string, rank: number, body = `${name} body.`): SkillCandidate { return { @@ -113,6 +108,9 @@ describe('SkillService registry', () => { }) it('validates provider candidates and invalid registry caps', async () => { + const defaultedService = new SkillService(new Context()) + expect(await defaultedService.list()).toEqual([]) + const ctx = new Context() await ctx.plugin(SkillService) ctx.skills.registerProvider({ @@ -146,10 +144,33 @@ describe('SkillService registry', () => { await expect(invalid.skills.list()).rejects.toThrow('skill provider') } - await expect(new Context().plugin(SkillService, { promptFieldMaxLength: 2 })).rejects.toThrow('greater than or equal to 3') await expect(new Context().plugin(SkillService, { collectCacheMaxEntries: 1.5 })).rejects.toThrow('collectCacheMaxEntries') }) + it('sorts model-visible summaries without locale-sensitive collation', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + ctx.skills.registerProvider(new MemoryProvider([ + memorySkill('z-skill', 'Z skill', 10), + memorySkill('a-skill', 'A skill', 10), + ])) + const localeCompare = vi.spyOn(String.prototype, 'localeCompare') + const sort = vi.spyOn(Array.prototype, 'sort') + + try { + const skills = await ctx.skills.list() + expect(skills.map(skill => skill.name)).toEqual(['a-skill', 'z-skill']) + expect(localeCompare).not.toHaveBeenCalled() + + const summaryComparator = sort.mock.calls.at(-1)?.[0] + expect(summaryComparator).toBeTypeOf('function') + expect(summaryComparator?.(skills[0], skills[0])).toBe(0) + } finally { + sort.mockRestore() + localeCompare.mockRestore() + } + }) + it('caches provider discovery, skips failing providers, and invalidates on runtime skills', async () => { const ctx = new Context() await ctx.plugin(SkillService, { collectCacheMaxEntries: 1 }) @@ -203,43 +224,106 @@ describe('SkillService registry', () => { expect(flakyCalls).toBe(3) }) - it('renders stable prompt guidance and omits it when no skills exist', async () => { + it('abandons an in-flight catalog when provider registrations change', async () => { const ctx = new Context() - await ctx.plugin(SystemPrompt, { persona: 'base' }) - await ctx.plugin(SkillService, { promptFieldMaxLength: 6 }) - ctx.skills.registerProvider(new MemoryProvider([ - { - ...memorySkill('escaped-skill', 'Use safely', 10), - whenToUse: 'Handle & marker', + await ctx.plugin(SkillService) + let markStarted: (() => void) | undefined + let release: (() => void) | undefined + const started = new Promise((resolve) => { markStarted = resolve }) + const gate = new Promise((resolve) => { release = resolve }) + const dispose = ctx.skills.registerProvider({ + name: 'delayed', + async list() { + markStarted?.() + await gate + return [{ ...memorySkill('stale-skill', 'Stale', 10), provider: 'delayed' }] }, - ])) + async get(candidate) { + return { ...candidate, content: 'Stale body.' } + }, + }) - const listing = await ctx.skills.renderModelListing() - expect(listing).toContain('description: Use...') - expect(listing).toContain('whenToUse: Han...') - expect(listing).not.toContain('') - expect(renderPrompt(await ctx.systemPrompt.assemble({ agent: agentForCwd('/tmp') }))).toContain('## Skills') - expect(renderPrompt(await ctx.systemPrompt.assemble())).not.toContain('## Skills') + const pending = ctx.skills.list() + await started + dispose() + release?.() - const empty = new Context() - await empty.plugin(SystemPrompt, { persona: 'base' }) - await empty.plugin(SkillService) - expect(await empty.skills.renderModelListing()).toBe('') - expect(renderPrompt(await empty.systemPrompt.assemble({ agent: agentForCwd('/tmp') }))).not.toContain('## Skills') + expect(await pending).toEqual([]) + }) - const direct = new SkillService(new Context(), {}) - expect(await direct.renderModelListing()).toBe('') - const short = new Context() - await short.plugin(SkillService) - short.skills.registerProvider(new MemoryProvider([memorySkill('short-skill', 'Short', 10)])) - expect(await short.skills.renderModelListing()).toContain('description: Short') + it('stops waiting for discovery when its lookup signal aborts', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + let markStarted: (() => void) | undefined + let release: (() => void) | undefined + let seenSignal: AbortSignal | undefined + const started = new Promise((resolve) => { markStarted = resolve }) + const held = new Promise((resolve) => { + release = () => { resolve([]) } + }) + ctx.skills.registerProvider({ + name: 'uncooperative', + list(options) { + seenSignal = options.signal + markStarted?.() + return held + }, + async get() { + return undefined + }, + }) + const controller = new AbortController() + const reason = 'discovery cancelled' + const pending = ctx.skills.list({ signal: controller.signal }) + const outcome = pending.then( + () => 'resolved', + (error: unknown) => error instanceof Error && error.message === reason ? 'aborted' : 'other-error', + ) + await started + controller.abort(reason) - const templated = new Context() - await templated.plugin(SystemPrompt, { persona: 'base' }) - await templated.plugin(SkillService) - templated.skills.registerProvider(new MemoryProvider([memorySkill('templated-skill', 'Use {{placeholder}} safely', 10)])) - const prompt = renderPrompt(await templated.systemPrompt.assemble({ agent: agentForCwd('/tmp') })) - expect(prompt).toContain('description: Use { {placeholder} } safely') + const settled = await Promise.race([ + outcome, + new Promise<'timeout'>(resolve => setTimeout(() => { resolve('timeout') }, 25)), + ]) + release?.() + await pending.catch(() => undefined) + + expect(seenSignal).toBe(controller.signal) + expect(settled).toBe('aborted') + }) + + it('does not miss an abort racing listener installation', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + const reason = new Error('racing abort') + let aborted = false + const signal = { + get aborted() { + return aborted + }, + reason, + throwIfAborted() { + if (aborted) throw reason + }, + addEventListener(_type: string, listener: () => void) { + aborted = true + listener() + }, + removeEventListener() {}, + } as unknown as AbortSignal + ctx.skills.registerProvider({ + name: 'racing-abort', + list() { + return Promise.reject(new Error('late provider failure')) + }, + async get() { + return undefined + }, + }) + + await expect(ctx.skills.list({ signal })).rejects.toBe(reason) + await Promise.resolve() }) it('rejects invalid runtime skill registrations and ignores duplicates', async () => { diff --git a/packages/core/skill/tsconfig.json b/packages/skill/skill/tsconfig.json similarity index 69% rename from packages/core/skill/tsconfig.json rename to packages/skill/skill/tsconfig.json index df8e8f2f9c..1b1855dcc4 100644 --- a/packages/core/skill/tsconfig.json +++ b/packages/skill/skill/tsconfig.json @@ -8,8 +8,6 @@ "references": [ { "path": "../../../vendor/cosmokit" }, { "path": "../../../vendor/cordis" }, - { "path": "../../../vendor/schemastery" }, - { "path": "../agent" }, - { "path": "../system-prompt" } + { "path": "../../../vendor/schemastery" } ] } diff --git a/packages/skill/tool-skill/README.md b/packages/skill/tool-skill/README.md new file mode 100644 index 0000000000..c55bc3693d --- /dev/null +++ b/packages/skill/tool-skill/README.md @@ -0,0 +1,21 @@ +# @deepseek-ai/dsh-tool-skill + +The model-facing skill catalog and `skill` tool. + +Requires `ctx.tools` and `ctx.skills` (`inject: ['tools', 'skills']`). + +## Session-prefix catalog + +The plugin contributes one user-role `` catalog through `agent/session-prefix`. It resolves skills for the calling session's cwd, forwards the prefix abort signal to discovery, and lists only sorted `name` and `description` entries; skill bodies, paths, sources, providers, and `whenToUse` hints remain outside the catalog. The catalog is omitted when no model-invocable skills are available. + +`catalogDescriptionMaxLength` controls normalized, XML-escaped catalog descriptions. Its default is `500` and values must be integers of at least `3`, which reserves room for a truncation ellipsis. The [session-prefix RFC](../../../docs/rfc/implemented/feature/2026-07-07-session-prefix.md) defines the request-only, header-logged lifecycle of this message. + +## Tool: `skill` + +| Arg | Type | Notes | +|---|---|---| +| `name` | string (required) | Exact kebab-case skill name from the available skills listing. | + +Execution uses the calling agent's `session.header.cwd` so workspace-sensitive providers can resolve the right winning skill. A successful call returns one text tool result with ``, containing `` followed by ``. Resource guidance resolves paths or URLs explicitly referenced by the loaded instructions against `resourceBase`; referenced scripts, references, and assets load only when needed, and the tool does not enumerate a skill directory. Local filesystem skills provide a base directory, while remote or embedded providers can provide a URL or opaque provider-managed guidance. A name that cannot be resolved reports that the skill is unknown or no longer available; invalid names and skills marked `disableModelInvocation: true` retain distinct `isError` results. + +The tool does not call `agent.inject()` in v1. Its result is already recorded as the tool result and becomes available to the next model step without duplicating the content as synthetic context. diff --git a/packages/core/tool-skill/package.json b/packages/skill/tool-skill/package.json similarity index 95% rename from packages/core/tool-skill/package.json rename to packages/skill/tool-skill/package.json index 91d49479b2..f0d97eb3d8 100644 --- a/packages/core/tool-skill/package.json +++ b/packages/skill/tool-skill/package.json @@ -28,6 +28,9 @@ "@deepseek-ai/dsh-tools": "^0.0.1", "cordis": "^4.0.0-rc.6" }, + "dependencies": { + "schemastery": "^3.18.0" + }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", diff --git a/packages/skill/tool-skill/src/index.ts b/packages/skill/tool-skill/src/index.ts new file mode 100644 index 0000000000..dc3232a13f --- /dev/null +++ b/packages/skill/tool-skill/src/index.ts @@ -0,0 +1,152 @@ +/** + * Session-prefix skill catalog and model-facing `skill` loader tool. + * + * @module @deepseek-ai/dsh-tool-skill + */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { defineTool } from '@deepseek-ai/dsh-tools' +import { assertNever, type Message } from '@deepseek-ai/dsh-llm' +import { isSkillName, type SkillDefinition, type SkillSummary } from '@deepseek-ai/dsh-skill' + +export const name = 'tool-skill' +export const inject = ['tools', 'skills'] + +const DEFAULT_CATALOG_DESCRIPTION_MAX_LENGTH = 500 + +/** Model-facing skill catalog configuration. */ +export interface Config { + /** Maximum normalized description length rendered in the session catalog; minimum 3. */ + catalogDescriptionMaxLength?: number +} + +/** Validate and default the model-facing skill catalog configuration. */ +export const Config: z = z.object({ + catalogDescriptionMaxLength: z.number().default(DEFAULT_CATALOG_DESCRIPTION_MAX_LENGTH), +}) + +/** Register the session-prefix skill catalog and the model-facing skill loader. */ +export function apply(ctx: Context, config: Config = {}): void { + const catalogDescriptionMaxLength = config.catalogDescriptionMaxLength ?? DEFAULT_CATALOG_DESCRIPTION_MAX_LENGTH + assertPositiveInteger('catalogDescriptionMaxLength', catalogDescriptionMaxLength, 3) + + ctx.on('agent/session-prefix', async (agent, _prefix, signal, next): Promise => { + const skills = await ctx.skills.list({ cwd: agent.session.header.cwd, signal }) + const rest = await next() + if (skills.length === 0) return rest + return [renderCatalogMessage(skills, catalogDescriptionMaxLength), ...rest] + }) + + const skillTool = defineTool({ + name: 'skill', + description: 'Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill.', + parameters: { + name: { type: 'string', required: true, description: 'The exact skill name from the available skills list.' }, + }, + async execute(args, exec) { + if (!isSkillName(args.name)) { + throw new Error(`invalid skill name "${args.name}"`) + } + const skill = await ctx.skills.get(args.name, { cwd: exec.agent?.session.header.cwd, signal: exec.signal }) + if (!skill) { + throw new Error(`skill "${args.name}" is unknown or no longer available`) + } + if (skill.disableModelInvocation === true) { + throw new Error(`skill "${args.name}" is not available for model invocation`) + } + return [{ type: 'text', text: renderSkillContent(skill) }] + }, + presentCall(args) { + return { card: 'generic', title: `Load skill ${args.name}`, kind: 'read', rawInput: args.name } + }, + }) + ctx.tools.register(skillTool) +} + +function renderSkillContent(skill: SkillDefinition): string { + const resourceHint = renderResourceHint(skill) + return [ + ``, + '', + ...resourceHint, + '', + '', + '', + skill.content, + '', + '', + ].join('\n') +} + +function renderResourceHint(skill: SkillDefinition): string[] { + const base = skill.resourceBase + if (base === undefined) { + return [ + `Resources for this skill are managed by provider "${escapeText(skill.provider)}".`, + 'Load referenced resources only as needed.', + ] + } + switch (base.kind) { + case 'directory': + return [ + `Base directory for this skill: ${escapeText(base.path)}`, + 'Resolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.', + ] + case 'url': + return [ + `Base URL for this skill: ${escapeText(base.url)}`, + 'Resolve relative URLs mentioned by this skill against the base URL before using them. Load referenced resources only as needed.', + ] + case 'opaque': + return [ + `Resources for this skill: ${escapeText(base.description)}`, + 'Load referenced resources only as needed.', + ] + default: + return assertNever(base, 'SkillResourceBase.kind') + } +} + +function renderCatalogMessage(skills: SkillSummary[], descriptionMaxLength: number): Message { + const entries = skills.map(skill => `- \`${skill.name}\`: ${catalogDescription(skill.description, descriptionMaxLength)}`) + return { + role: 'user', + content: [{ + type: 'text', + text: [ + '', + 'A skill is a reusable set of task-specific instructions. The following skills are available in this session:', + '', + '', + ...entries, + '', + '', + "If the user names a skill, or the task clearly matches a skill's description, call the `skill` tool with the exact skill name before taking task actions. Load all applicable skills, then follow their full instructions. This catalog contains summaries only; do not infer or follow a skill's instructions until it has been loaded.", + '', + ].join('\n'), + }], + } +} + +function catalogDescription(value: string, maxLength: number): string { + const normalized = value.replaceAll(/\s+/g, ' ').trim() + const truncated = normalized.length <= maxLength + ? normalized + : `${normalized.slice(0, maxLength - 3)}...` + return escapeText(truncated) +} + +function assertPositiveInteger(name: string, value: number, minimum = 1): void { + if (!Number.isInteger(value) || value < minimum) { + throw new Error(`tool-skill: ${name} must be an integer greater than or equal to ${minimum}`) + } +} + +function escapeAttr(value: string): string { + return value.replaceAll('&', '&').replaceAll('"', '"').replaceAll('<', '<') +} + +function escapeText(value: string): string { + return value.replaceAll('&', '&').replaceAll('<', '<').replaceAll('>', '>') +} diff --git a/packages/skill/tool-skill/tests/tool-skill.spec.ts b/packages/skill/tool-skill/tests/tool-skill.spec.ts new file mode 100644 index 0000000000..c7b843258c --- /dev/null +++ b/packages/skill/tool-skill/tests/tool-skill.spec.ts @@ -0,0 +1,275 @@ +import { describe, expect, it } from 'vitest' +import { mkdir, writeFile } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' +import { Context } from 'cordis' +import { CallId, type Message } from '@deepseek-ai/dsh-llm' +import SystemPrompt, { renderPrompt } from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import SkillService from '@deepseek-ai/dsh-skill' +import * as SkillLocal from '@deepseek-ai/dsh-skill-local' +import * as toolSkill from '@deepseek-ai/dsh-tool-skill' + +async function tempDir(name: string): Promise { + return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) +} + +async function writeSkill(root: string, name: string, description: string, body: string): Promise { + const dir = join(root, name) + await mkdir(dir, { recursive: true }) + await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +async function setup(home: string, config: toolSkill.Config = {}): Promise { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + await ctx.plugin(toolSkill, config) + return ctx +} + +function agentForCwd(cwd: string): never { + return { session: { header: { cwd } } } as never +} + +async function composePrefix(ctx: Context, cwd: string, signal = new AbortController().signal): Promise { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', agentForCwd(cwd), empty, signal, + () => Promise.resolve(empty), + ) +} + +describe('dsh-tool-skill', () => { + it('registers the skill tool schema and removes it on dispose', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const home = await tempDir('tool-schema') + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + ctx.skills.register({ name: 'lifecycle-skill', description: 'Lifecycle', source: 'runtime', content: 'body' }) + + const fiber = await ctx.plugin(toolSkill) + expect(ctx.tools.schemas().map(tool => tool.name)).toEqual(['skill']) + expect(await composePrefix(ctx, '/workspace')).toHaveLength(1) + expect(ctx.tools.get('skill')?.presentCall?.({ name: 'project-skill' })).toEqual({ + card: 'generic', + title: 'Load skill project-skill', + kind: 'read', + rawInput: 'project-skill', + }) + await fiber.dispose() + expect(ctx.tools.schemas()).toEqual([]) + expect(await composePrefix(ctx, '/workspace')).toEqual([]) + + toolSkill.apply(ctx) + expect(ctx.tools.schemas().map(tool => tool.name)).toEqual(['skill']) + }) + + it('forwards the session-prefix abort signal to skill discovery', async () => { + const home = await tempDir('tool-prefix-signal') + const ctx = await setup(home) + let seenSignal: AbortSignal | undefined + ctx.skills.registerProvider({ + name: 'signal-probe', + async list(options) { + seenSignal = options.signal + return [] + }, + async get() { + return undefined + }, + }) + const controller = new AbortController() + + await composePrefix(ctx, '/workspace', controller.signal) + + expect(seenSignal).toBe(controller.signal) + }) + + it('contributes a stable name-and-description catalog through the session prefix', async () => { + const home = await tempDir('tool-catalog') + const ctx = await setup(home, { catalogDescriptionMaxLength: 50 }) + ctx.skills.register({ + name: 'z-skill', + description: 'Long description '.repeat(5), + whenToUse: 'Never render this routing hint.', + source: 'secret-source', + provider: 'runtime', + resourceBase: { kind: 'directory', path: '/secret/path' }, + content: 'Secret body.', + }) + ctx.skills.register({ + name: 'a-skill', + description: 'Use {{placeholder}} & carefully.', + source: 'runtime', + provider: 'runtime', + content: 'A body.', + }) + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise => [ + { role: 'user', content: [{ type: 'text', text: 'later contribution' }] }, + ...await next(), + ]) + + const prefix = await composePrefix(ctx, '/workspace') + + expect(prefix).toEqual([ + { + role: 'user', + content: [{ + type: 'text', + text: [ + '', + 'A skill is a reusable set of task-specific instructions. The following skills are available in this session:', + '', + '', + '- `a-skill`: Use {{placeholder}} <safely> & carefully.', + '- `z-skill`: Long description Long description Long descript...', + '', + '', + "If the user names a skill, or the task clearly matches a skill's description, call the `skill` tool with the exact skill name before taking task actions. Load all applicable skills, then follow their full instructions. This catalog contains summaries only; do not infer or follow a skill's instructions until it has been loaded.", + '', + ].join('\n'), + }], + }, + { role: 'user', content: [{ type: 'text', text: 'later contribution' }] }, + ]) + const rendered = JSON.stringify(prefix[0]) + expect(rendered).not.toContain('whenToUse') + expect(rendered).not.toContain('secret-source') + expect(rendered).not.toContain('/secret/path') + expect(rendered).not.toContain('Secret body') + expect(renderPrompt(await ctx.systemPrompt.assemble({ agent: agentForCwd('/workspace') }))).not.toContain('') + }) + + it('does not contribute a session-prefix message when no skills are available', async () => { + const home = await tempDir('tool-empty-catalog') + const ctx = await setup(home) + + expect(await composePrefix(ctx, '/workspace')).toEqual([]) + }) + + it('validates the catalog description cap', async () => { + const home = await tempDir('tool-invalid-catalog-cap') + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + + await expect(ctx.plugin(toolSkill, { catalogDescriptionMaxLength: 2 })).rejects.toThrow('greater than or equal to 3') + }) + + it('loads a skill for the calling agent cwd', async () => { + const home = await tempDir('tool-load') + const project = await tempDir('tool-project') + await mkdir(join(project, '.git'), { recursive: true }) + await writeSkill(join(project, '.dsh/skills'), 'project-skill', 'Project skill', 'Project instructions.') + const ctx = await setup(home) + + const result = await ctx.tools.execute({ + callId: CallId('c1'), + name: 'skill', + arguments: { name: 'project-skill' }, + agent: { session: { header: { cwd: project } } } as never, + }) + + expect(result.isError).toBe(false) + const block = result.content[0] + expect(block?.type).toBe('text') + if (block?.type !== 'text') throw new Error('expected text skill result') + expect(block.text).toBe([ + '', + '', + `Base directory for this skill: ${join(project, '.dsh/skills/project-skill')}`, + 'Resolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.', + '', + '', + '', + 'Project instructions.', + '', + '', + ].join('\n')) + expect(block.text).not.toContain('# Skill:') + }) + + it('renders provider-managed resource hints for non-local skills', async () => { + const home = await tempDir('tool-resource-hints') + const ctx = await setup(home) + ctx.skills.register({ + name: 'opaque-skill', + description: 'Opaque skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'opaque', description: 'runtime memory' }, + content: 'Opaque instructions.', + }) + ctx.skills.register({ + name: 'url-skill', + description: 'URL skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'url', url: 'https://skills.example.test/url-skill' }, + content: 'URL instructions.', + }) + ctx.skills.register({ + name: 'provider-skill', + description: 'Provider skill', + source: 'runtime', + provider: 'runtime', + content: 'Provider instructions.', + }) + + const opaque = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'opaque-skill' } }) + const url = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'url-skill' } }) + const provider = await ctx.tools.execute({ callId: CallId('c4'), name: 'skill', arguments: { name: 'provider-skill' } }) + + if (opaque.content[0]?.type !== 'text' || url.content[0]?.type !== 'text' || provider.content[0]?.type !== 'text') { + throw new Error('expected text tool results') + } + expect(opaque.content[0].text).toContain('\nResources for this skill: runtime memory\nLoad referenced resources only as needed.\n') + expect(url.content[0].text).toContain('\nBase URL for this skill: https://skills.example.test/url-skill\nResolve relative URLs mentioned by this skill against the base URL before using them. Load referenced resources only as needed.\n') + expect(provider.content[0].text).toContain('\nResources for this skill are managed by provider "runtime".\nLoad referenced resources only as needed.\n') + }) + + it('fails loud on an unknown resource base kind', async () => { + const home = await tempDir('tool-resource-assert-never') + const ctx = await setup(home) + ctx.skills.register({ + name: 'rogue-resource-skill', + description: 'Rogue resource skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'future' } as never, + content: 'Rogue instructions.', + }) + + const result = await ctx.tools.execute({ callId: CallId('c5'), name: 'skill', arguments: { name: 'rogue-resource-skill' } }) + + expect(result.isError).toBe(true) + const block = result.content[0] + if (block?.type !== 'text') throw new Error('expected text tool result') + expect(block.text).toContain('unreachable variant') + }) + + it('returns isError for unknown, invalid, and model-disabled skills', async () => { + const home = await tempDir('tool-errors') + await writeSkill(join(home, '.dsh/skills'), 'hidden-skill', 'Hidden skill', 'Hidden instructions.') + await writeFile(join(home, '.dsh/skills/hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: Hidden skill\ndisableModelInvocation: true\n---\n\nHidden instructions.\n') + const ctx = await setup(home) + + const unknown = await ctx.tools.execute({ callId: CallId('c1'), name: 'skill', arguments: { name: 'missing' } }) + const invalid = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'Bad_Name' } }) + const disabled = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'hidden-skill' } }) + + expect(unknown.isError).toBe(true) + expect(invalid.isError).toBe(true) + expect(disabled.isError).toBe(true) + const unknownBlock = unknown.content[0] + if (unknownBlock?.type !== 'text') throw new Error('expected text tool result') + expect(unknownBlock.text).toContain('skill "missing" is unknown or no longer available') + }) +}) diff --git a/packages/core/tool-skill/tsconfig.json b/packages/skill/tool-skill/tsconfig.json similarity index 72% rename from packages/core/tool-skill/tsconfig.json rename to packages/skill/tool-skill/tsconfig.json index d36e8a449c..039fc641c0 100644 --- a/packages/core/tool-skill/tsconfig.json +++ b/packages/skill/tool-skill/tsconfig.json @@ -8,9 +8,10 @@ "references": [ { "path": "../../../vendor/cosmokit" }, { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" }, { "path": "../../llm/llm" }, - { "path": "../agent" }, + { "path": "../../core/agent" }, { "path": "../skill" }, - { "path": "../tools" } + { "path": "../../core/tools" } ] } diff --git a/packages/ui/acp-agent/src/index.ts b/packages/ui/acp-agent/src/index.ts index 623b04acc8..8766b916cf 100644 --- a/packages/ui/acp-agent/src/index.ts +++ b/packages/ui/acp-agent/src/index.ts @@ -56,7 +56,7 @@ export interface Config { toolOrder?: string[] /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string - /** Skill registry/local-provider config forwarded to the shared agent-core spine. */ + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ skills?: agentCore.SkillConfig } diff --git a/packages/ui/acp-agent/tests/acp-agent.spec.ts b/packages/ui/acp-agent/tests/acp-agent.spec.ts index ac05cd6de3..47cc399dfc 100644 --- a/packages/ui/acp-agent/tests/acp-agent.spec.ts +++ b/packages/ui/acp-agent/tests/acp-agent.spec.ts @@ -5,6 +5,7 @@ import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' +import type { Message } from '@deepseek-ai/dsh-llm' import * as acpAgent from '../src/index.ts' /** @@ -26,9 +27,20 @@ async function mount(config: acpAgent.Config): Promise { return ctx } -async function isolatedSkillsConfig(): Promise> { +async function isolatedSkillsConfig(catalogDescriptionMaxLength?: number): Promise> { const home = await mkdtemp(join(tmpdir(), 'dsh-acp-agent-skills-')) - return { local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') } } + return { + local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }, + ...catalogDescriptionMaxLength !== undefined ? { tool: { catalogDescriptionMaxLength } } : {}, + } +} + +async function composePrefix(ctx: Context): Promise { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', { session: { header: { cwd: '/tmp' } } } as never, + empty, new AbortController().signal, () => Promise.resolve(empty), + ) } async function withIsolatedSkillHomes(run: () => Promise): Promise { @@ -92,8 +104,9 @@ describe('dsh-acp-agent composition', () => { }) it('forwards skill config into agent-core', async () => { - const ctx = await mount({ model: 'mock', persona: 'hi', skills: await isolatedSkillsConfig() }) - expect(await ctx.skills.list()).toEqual([]) + const ctx = await mount({ model: 'mock', persona: 'hi', skills: await isolatedSkillsConfig(6) }) + ctx.skills.register({ name: 'acp-skill', description: 'ACP skill', source: 'runtime', content: 'body' }) + expect(JSON.stringify(await composePrefix(ctx))).toContain('- `acp-skill`: ACP...') await ctx.fiber.dispose() }) diff --git a/packages/ui/stdio-agent/src/index.ts b/packages/ui/stdio-agent/src/index.ts index 28b04ee6c0..c16c684fb2 100644 --- a/packages/ui/stdio-agent/src/index.ts +++ b/packages/ui/stdio-agent/src/index.ts @@ -72,7 +72,7 @@ export interface Config { persistenceRoot?: string /** stdin-chat banner printed once on start. Defaults to `'ready.'`. */ welcome?: string - /** Skill registry/local-provider config forwarded to the shared agent-core spine. */ + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ skills?: agentCore.SkillConfig /** * If set, the `main` agent RESUMES this persisted session id instead of diff --git a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts index 9954881849..c08115526f 100644 --- a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts +++ b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts @@ -5,6 +5,7 @@ import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Message } from '@deepseek-ai/dsh-llm' import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' import * as stdioAgent from '../src/index.ts' @@ -33,9 +34,20 @@ async function mount(config: stdioAgent.Config): Promise { return ctx } -async function isolatedSkillsConfig(): Promise> { +async function isolatedSkillsConfig(catalogDescriptionMaxLength?: number): Promise> { const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-agent-skills-')) - return { local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') } } + return { + local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }, + ...catalogDescriptionMaxLength !== undefined ? { tool: { catalogDescriptionMaxLength } } : {}, + } +} + +async function composePrefix(ctx: Context): Promise { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', { session: { header: { cwd: '/tmp' } } } as never, + empty, new AbortController().signal, () => Promise.resolve(empty), + ) } async function withIsolatedSkillHomes(run: () => Promise): Promise { @@ -117,8 +129,9 @@ describe('dsh-stdio-agent app', () => { }) it('forwards skill config into agent-core', async () => { - const ctx = await mount({ model: 'mock', persona: 'hi', skills: await isolatedSkillsConfig() }) - expect(await ctx.skills.list()).toEqual([]) + const ctx = await mount({ model: 'mock', persona: 'hi', skills: await isolatedSkillsConfig(6) }) + ctx.skills.register({ name: 'stdio-skill', description: 'Stdio skill', source: 'runtime', content: 'body' }) + expect(JSON.stringify(await composePrefix(ctx))).toContain('- `stdio-skill`: Std...') await ctx.fiber.dispose() }) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 615a514f52..2abf1fe6e2 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -269,10 +269,10 @@ importers: version: link:../session '@deepseek-ai/dsh-skill': specifier: workspace:^ - version: link:../skill + version: link:../../skill/skill '@deepseek-ai/dsh-skill-local': specifier: workspace:^ - version: link:../skill-local + version: link:../../skill/skill-local '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../system-prompt @@ -281,7 +281,7 @@ importers: version: link:../../bash/tool-bash '@deepseek-ai/dsh-tool-skill': specifier: workspace:^ - version: link:../tool-skill + version: link:../../skill/tool-skill '@deepseek-ai/dsh-tools': specifier: workspace:^ version: link:../tools @@ -335,41 +335,6 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/core/skill: - dependencies: - schemastery: - specifier: ^3.18.0 - version: 3.18.0 - devDependencies: - '@deepseek-ai/dsh-agent': - specifier: workspace:^ - version: link:../agent - '@deepseek-ai/dsh-system-prompt': - specifier: workspace:^ - version: link:../system-prompt - cordis: - specifier: ^4.0.0-rc.6 - version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - - packages/core/skill-local: - dependencies: - schemastery: - specifier: ^3.18.0 - version: 3.18.0 - yaml: - specifier: ^2.4.2 - version: 2.9.0 - devDependencies: - '@deepseek-ai/dsh-fs': - specifier: workspace:^ - version: link:../../fs/fs - '@deepseek-ai/dsh-skill': - specifier: workspace:^ - version: link:../skill - cordis: - specifier: ^4.0.0-rc.6 - version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/core/system-prompt: dependencies: schemastery: @@ -383,27 +348,6 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/core/tool-skill: - devDependencies: - '@deepseek-ai/dsh-agent': - specifier: workspace:^ - version: link:../agent - '@deepseek-ai/dsh-llm': - specifier: workspace:^ - version: link:../../llm/llm - '@deepseek-ai/dsh-skill': - specifier: workspace:^ - version: link:../skill - '@deepseek-ai/dsh-skill-local': - specifier: workspace:^ - version: link:../skill-local - '@deepseek-ai/dsh-tools': - specifier: workspace:^ - version: link:../tools - cordis: - specifier: ^4.0.0-rc.6 - version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/core/tools: devDependencies: '@deepseek-ai/dsh-agent': @@ -419,18 +363,6 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/ui/user-interaction: - devDependencies: - '@deepseek-ai/dsh-agent': - specifier: workspace:^ - version: link:../../core/agent - '@deepseek-ai/dsh-llm': - specifier: workspace:^ - version: link:../../llm/llm - cordis: - specifier: ^4.0.0-rc.6 - version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/fs/fs: devDependencies: '@deepseek-ai/dsh-brand': @@ -713,6 +645,60 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/skill/skill: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/skill/skill-local: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + yaml: + specifier: ^2.4.2 + version: 2.9.0 + devDependencies: + '@deepseek-ai/dsh-fs': + specifier: workspace:^ + version: link:../../fs/fs + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../skill + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/skill/tool-skill: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../skill + '@deepseek-ai/dsh-skill-local': + specifier: workspace:^ + version: link:../skill-local + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/subagent: devDependencies: '@deepseek-ai/dsh-agent': @@ -1188,6 +1174,18 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/ui/user-interaction: + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/util/brand: devDependencies: cordis: diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index f07f744e55..0bfe85983f 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -71,6 +71,7 @@ const GROUP_ORDER = [ 'core', 'bash', 'fs', + 'skill', 'compact', 'subagent', 'web', @@ -138,9 +139,10 @@ const SERVICE_ROLES: ServiceRole[] = [ key: 'skills', pkg: 'skill', title: 'Skill provider registry', - mode: 'core', - consumers: ['agent-core', 'skill-local', 'tool-skill'], - note: 'Merges provider skill catalogs, injects request-time listings, and serves full skill bodies to the skill tool.', + mode: 'seam', + implementations: ['skill-local'], + consumers: ['tool-skill'], + note: 'Merges provider skill catalogs; tool-skill renders the session-prefix catalog and loads complete skill bodies.', }, { key: 'agents', diff --git a/scripts/gen-module-graph.ts b/scripts/gen-module-graph.ts index dc66dc843e..54dbcf2773 100644 --- a/scripts/gen-module-graph.ts +++ b/scripts/gen-module-graph.ts @@ -42,6 +42,7 @@ const GROUP_ORDER = [ 'core', 'bash', 'fs', + 'skill', 'compact', 'subagent', 'web', diff --git a/scripts/gen-tool-catalog.ts b/scripts/gen-tool-catalog.ts index a388d9f9c6..d40cc9ddd4 100644 --- a/scripts/gen-tool-catalog.ts +++ b/scripts/gen-tool-catalog.ts @@ -163,7 +163,7 @@ const TOOL_PACKAGES: ToolPackage[] = [ { pkg: '@deepseek-ai/dsh-tool-skill', dir: 'tool-skill', - source: 'packages/core/tool-skill/src/index.ts', + source: 'packages/skill/tool-skill/src/index.ts', requires: ['ctx.tools', 'ctx.skills'], writes: ['tool/call', 'tool/result'], async mount(ctx) { diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index 37b83e39ae..e6838d988f 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -83,15 +83,15 @@ { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsPolicyExec", "source": "packages/fs/fs-policy/src/types.ts" }, { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FileReadOutcome", "source": "packages/fs/tool-fs/src/read-render.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSource", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillResourceBase", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSummary", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillCandidate", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillDefinition", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillRegistration", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillLookupOptions", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillProvider", "source": "packages/core/skill/src/index.ts" }, - { "doc": "docs/core-data-structures/skills.md", "symbol": "Config", "source": "packages/core/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSource", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillResourceBase", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSummary", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillCandidate", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillDefinition", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillRegistration", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillLookupOptions", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillProvider", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "Config", "source": "packages/skill/skill/src/index.ts" }, { "doc": "docs/core-data-structures/compaction.md", "symbol": "CompactionResult", "source": "packages/compact/compact/src/types.ts" }, diff --git a/tsconfig.base.json b/tsconfig.base.json index b4a4e116d8..53da7ff49f 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -45,6 +45,7 @@ "./packages/bash/*/src", "./packages/code-runtime/*/src", "./packages/fs/*/src", + "./packages/skill/*/src", "./packages/compact/*/src", "./packages/guard/*/src", "./packages/subagent/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index 0797d830bb..43dd2a1e5b 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -21,9 +21,9 @@ { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, - { "path": "./packages/core/skill" }, - { "path": "./packages/core/skill-local" }, - { "path": "./packages/core/tool-skill" }, + { "path": "./packages/skill/skill" }, + { "path": "./packages/skill/skill-local" }, + { "path": "./packages/skill/tool-skill" }, { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, { "path": "./packages/core/agent-core" }, diff --git a/tsconfig.json b/tsconfig.json index b5387199fb..2ffee88ab1 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -32,9 +32,9 @@ { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, - { "path": "./packages/core/skill" }, - { "path": "./packages/core/skill-local" }, - { "path": "./packages/core/tool-skill" }, + { "path": "./packages/skill/skill" }, + { "path": "./packages/skill/skill-local" }, + { "path": "./packages/skill/tool-skill" }, { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, { "path": "./packages/core/agent-core" }, From b5b17a7f65a8581c16ab5af7980faba637679315 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Fri, 10 Jul 2026 15:21:22 +0800 Subject: [PATCH 69/90] fix(ci): stabilize static and coverage gates --- .../tests/workflow-workerthread.spec.ts | 10 ++++-- scripts/run-gates.ts | 32 ++++++++++++------- 2 files changed, 29 insertions(+), 13 deletions(-) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index ecaeed61f6..61e6709bb6 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -663,7 +663,10 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + await vi.waitFor( + () => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }, + { timeout: 5_000 }, + ) const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! fast.settle(text('fast done')) handle.cancel('stop now') @@ -802,7 +805,10 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + await vi.waitFor( + () => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }, + { timeout: 5_000 }, + ) const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! fast.settle(text('fast done')) const result = await handle.result diff --git a/scripts/run-gates.ts b/scripts/run-gates.ts index 9ee5a66ed6..ef1e07ea43 100644 --- a/scripts/run-gates.ts +++ b/scripts/run-gates.ts @@ -286,18 +286,28 @@ function demoSmokeGate(options: { needs?: string[] } = {}): Gate { ...dependencyOptions, verify: async (result) => { const output = result.stdout + result.stderr - if (!output.includes('[tool call] echo({"text":"ci smoke"})')) { - throw new Error('demo smoke did not show the echo tool call.') + const sessionsRoot = join(root, '.sessions') + try { + if (!output.includes('[tool call] echo({"text":"ci smoke"})')) { + throw new Error('demo smoke did not show the echo tool call.') + } + if (!output.includes('[tool result] ECHO: CI SMOKE')) { + throw new Error('demo smoke did not show the echo tool result.') + } + const buckets = await readdir(sessionsRoot, { withFileTypes: true }) + let found = false + for (const bucket of buckets) { + if (!bucket.isDirectory() || !bucket.name.startsWith('cwd-')) continue + const entries = await readdir(join(sessionsRoot, bucket.name)) + if (entries.some(entry => /^main-session-.+\.jsonl$/.test(entry))) { + found = true + break + } + } + if (!found) throw new Error('demo smoke did not create a main-session JSONL log in a cwd bucket.') + } finally { + await rm(sessionsRoot, { recursive: true, force: true }) } - if (!output.includes('[tool result] ECHO: CI SMOKE')) { - throw new Error('demo smoke did not show the echo tool result.') - } - const sessionDir = join(root, '.sessions', '_no-cwd') - const entries = await readdir(sessionDir) - if (!entries.some(entry => /^main-session-.+\.jsonl$/.test(entry))) { - throw new Error('demo smoke did not create a main-session JSONL log.') - } - await rm(join(root, '.sessions'), { recursive: true, force: true }) }, } } From ef35007d75223fe4ba69d20924d07b2713b3ffa2 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 15:25:18 +0800 Subject: [PATCH 70/90] =?UTF-8?q?feat(approval):=20the=20approval=20seam?= =?UTF-8?q?=20=E2=80=94=20one-shot=20permission=20decisions=20over=20a=20w?= =?UTF-8?q?aterfall=20of=20answerers?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ctx.approval (dsh-approval): request() dispatches the approval/request waterfall and always resolves a closed outcome — allowed-once / rejected / cancelled / unavailable — never rejects; zero listeners fall through to fail-closed unavailable; abort settles cancelled and discards late answers; throwing or rogue answerers are contained as unavailable; every ask lands the log-only approval/asked / approval/decided audit pair. dsh-tools routes a pre-execute ask through the seam opportunistically (ctx.get) with three distinct deny reasons, keeping the historical ask→deny degrade when the seam is absent. The per-session policy tier, the ACP bridge answerer, and the sandbox escalation asker are staged follow-ups of the approval-seam RFC. --- .gitignore | 1 + docs/capability-seams.md | 5 + docs/config-catalog.md | 3 +- docs/cordis-catalog/events.md | 22 +- docs/cordis-catalog/services.md | 12 +- docs/event-producer-consumer.md | 9 +- docs/module-graph.md | 21 +- docs/persistence-catalog.md | 24 ++ docs/tool-execution-pipeline.md | 10 +- eslint.config.mjs | 1 + packages/README.md | 1 + packages/approval/README.md | 9 + packages/approval/approval/README.md | 11 + packages/approval/approval/package.json | 38 +++ packages/approval/approval/src/index.ts | 240 ++++++++++++++++++ .../approval/approval/tests/approval.spec.ts | 203 +++++++++++++++ packages/approval/approval/tsconfig.json | 36 +++ packages/core/tools/README.md | 6 +- packages/core/tools/package.json | 2 + packages/core/tools/src/index.ts | 67 +++-- packages/core/tools/tests/tools.spec.ts | 105 +++++++- packages/core/tools/tsconfig.json | 3 + pnpm-lock.yaml | 21 ++ scripts/gen-doc-graphs.ts | 19 +- tsconfig.base.json | 1 + tsconfig.build.json | 1 + tsconfig.json | 1 + 27 files changed, 830 insertions(+), 42 deletions(-) create mode 100644 packages/approval/README.md create mode 100644 packages/approval/approval/README.md create mode 100644 packages/approval/approval/package.json create mode 100644 packages/approval/approval/src/index.ts create mode 100644 packages/approval/approval/tests/approval.spec.ts create mode 100644 packages/approval/approval/tsconfig.json diff --git a/.gitignore b/.gitignore index df36ca9214..9c432a5273 100644 --- a/.gitignore +++ b/.gitignore @@ -19,3 +19,4 @@ tmp/ .DS_Store .idea mise.toml + diff --git a/docs/capability-seams.md b/docs/capability-seams.md index 1c24a2916e..c71c74003e 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -46,6 +46,8 @@ flowchart LR pkg_bash_local["bash-local"] pkg_hooks_claude["hooks-claude"] pkg_hooks_codex["hooks-codex"] + pkg_approval["approval"] + svc_approval["ctx.approval
Approval seam"] pkg_code_runtime["code-runtime"] svc_codeRuntime["ctx.codeRuntime
Code-execution seam"] pkg_code_runtime_worker["code-runtime-worker"] @@ -74,6 +76,7 @@ flowchart LR pkg_acp --> svc_userInteraction pkg_agent --> svc_agents pkg_agent_loop --> svc_agentLoop + pkg_approval --> svc_approval pkg_bash --> svc_bash pkg_bash_local --> svc_bash pkg_code_runtime --> svc_codeRuntime @@ -112,6 +115,7 @@ flowchart LR svc_agents --> pkg_invariants svc_agents --> pkg_stdio_agent svc_agents --> pkg_subagent_inprocess + svc_approval --> pkg_tools svc_bash --> pkg_hooks_claude svc_bash --> pkg_hooks_codex svc_bash --> pkg_tool_bash @@ -160,6 +164,7 @@ flowchart LR | `ctx.agents` | `core` | [`agent`](../packages/core/agent) | - | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`stdio-agent`](../packages/ui/stdio-agent), [`invariants`](../packages/support/invariants) | - | Owns live Agent handles and the create/resume factory seam. | | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | | `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local. | +| `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | - | [`tools`](../packages/core/tools) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | | `ctx.codeRuntime` | `seam` | [`code-runtime`](../packages/code-runtime/code-runtime) | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | [`tools`](../packages/core/tools) | - | Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode). | | `ctx.fs` | `seam` | [`fs`](../packages/fs/fs) | [`fs-local`](../packages/fs/fs-local) | [`tool-fs`](../packages/fs/tool-fs) | [`fs-policy`](../packages/fs/fs-policy) | tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate. | | `ctx.compact` | `seam` | [`compact`](../packages/compact/compact) | [`compact-basic`](../packages/compact/compact-basic) | [`compact-basic`](../packages/compact/compact-basic) | - | The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred. | diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 3e06916f6b..7866a123f2 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -818,7 +818,7 @@ export interface Config { export type ToolPresentationMode = 'native' | 'code' | 'both' ``` -Source: [`packages/core/tools/src/index.ts:319`](../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:323`](../packages/core/tools/src/index.ts) ## `@deepseek-ai/dsh-web` @@ -966,6 +966,7 @@ Source: [`packages/workflow/workflow-workerthread/src/index.ts:69`](../packages/ These load from a `cordis.yml` entry with no `config:` block; they declare no config surface. - `@deepseek-ai/dsh-agent` ([`packages/core/agent/src/index.ts`](../packages/core/agent/src/index.ts)) +- `@deepseek-ai/dsh-approval` ([`packages/approval/approval/src/index.ts`](../packages/approval/approval/src/index.ts)) - `@deepseek-ai/dsh-fs-policy` ([`packages/fs/fs-policy/src/index.ts`](../packages/fs/fs-policy/src/index.ts)) - `@deepseek-ai/dsh-llm` ([`packages/llm/llm/src/index.ts`](../packages/llm/llm/src/index.ts)) - `@deepseek-ai/dsh-session` ([`packages/core/session/src/index.ts`](../packages/core/session/src/index.ts)) diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index a9dfb7e05c..ee35a7a586 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -163,6 +163,18 @@ Types: [Agent](../core-data-structures/core.md) Source: [`packages/core/agent/src/types.ts:464`](../../packages/core/agent/src/types.ts) +## `approval/*` + +### `approval/request` — waterfall + +Waterfall asking the composed answerers to decide one approval request. Dispatched only from ApprovalService.request — callers go through the service (which owns cancellation and the audit events), never through `ctx.waterfall` directly. A listener that can answer for this request's agent returns an outcome WITHOUT calling `next()` (the decision slot is single-occupancy, first listener to answer wins); a listener that does not recognize the agent MUST call `next()` so another answerer — or the fail-closed default `'unavailable'` — gets the question. Throwing is contained by the service and yields `'unavailable'`. + +```ts cordis-catalog +'approval/request'(this: ApprovalService, req: ApprovalRequest, next: () => Promise): Promise +``` + +Source: [`packages/approval/approval/src/index.ts:52`](../../packages/approval/approval/src/index.ts) + ## `fs/*` ### `fs/edit-intent` — waterfall @@ -323,7 +335,7 @@ A tool was registered or unregistered (the available tool set changed). 'tools/change'(): void ``` -Source: [`packages/core/tools/src/index.ts:132`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:135`](../../packages/core/tools/src/index.ts) ### `tools/execute` — waterfall @@ -335,7 +347,7 @@ Around-dispatch waterfall wrapping the registry's core tool dispatch, between th Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:111`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:114`](../../packages/core/tools/src/index.ts) ### `tools/post-execute` — waterfall @@ -347,11 +359,11 @@ Waterfall AFTER a tool runs — where hook plugins inspect the result and accept Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:127`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:130`](../../packages/core/tools/src/index.ts) ### `tools/pre-execute` — waterfall -Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook plugins allow or deny a call (Claude Code's `PreToolUse`). Listeners receive `(exec, next)`: call `next()` to delegate to the default (allow), or return a PreToolDecision without calling `next()` to short-circuit. A `deny` skips dispatch and yields an `isError` result; the tool body never runs. Input rewrite is deliberately NOT offered here (see PreToolDecision); `ask` degrades to deny until the permission system lands (`FIXME(permissions)`). +Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook plugins allow or deny a call (Claude Code's `PreToolUse`). Listeners receive `(exec, next)`: call `next()` to delegate to the default (allow), or return a PreToolDecision without calling `next()` to short-circuit. A `deny` skips dispatch and yields an `isError` result; the tool body never runs. Input rewrite is deliberately NOT offered here (see PreToolDecision); `ask` is serviced by the `ctx.approval` seam when one is mounted, and degrades to deny otherwise. ```ts cordis-catalog 'tools/pre-execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise): Promise @@ -359,7 +371,7 @@ Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook pl Types: [ToolExecution](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:91`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:94`](../../packages/core/tools/src/index.ts) ## `workflow/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 79902ba2fc..eb0fe8ffd1 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -40,6 +40,16 @@ Types: [Agent](../core-data-structures/core.md) Source: [`packages/core/agent/src/index.ts:117`](../../packages/core/agent/src/index.ts) +## `ctx.approval` — `ApprovalService` + +The `ctx.approval` service: dispatches ApprovalRequests to the `approval/request` waterfall and audits every ask/outcome pair to the requesting agent's session log. Stateless between requests — grants are returned to the caller, never stored here. + +```ts cordis-catalog +async request(req: ApprovalRequest): Promise +``` + +Source: [`packages/approval/approval/src/index.ts:168`](../../packages/approval/approval/src/index.ts) + ## `ctx.bash` — `BashExecutor` (abstract seam) Abstract bash execution service. Subclass, implement the abstract methods, and load the subclass as a plugin — it registers as `ctx.bash` (one implementation per context; loading a second throws, which is cordis' standard duplicate-service behavior). @@ -226,7 +236,7 @@ async execute(exec: ToolExecution): Promise Types: [ToolDefinition](../core-data-structures/tools.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:345`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:349`](../../packages/core/tools/src/index.ts) ## `ctx.userInteraction` — `UserInteractionService` diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index acbe700965..5b50b30cc2 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -19,6 +19,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/status` | `emit` | [`packages/core/agent/src/types.ts:281`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:451`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | | `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:464`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | +| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:52`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | - | | `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:123`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:138`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:109`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | @@ -32,10 +33,10 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `subagent/start` | `emit` | [`packages/subagent/subagent/src/index.ts:91`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude) | | `system-prompt/assemble` | `waterfall` | [`packages/core/system-prompt/src/index.ts:38`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | - | | `system-prompt/change` | `emit` | [`packages/core/system-prompt/src/index.ts:44`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | -| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:132`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | -| `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:111`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`timeout-policy`](../packages/timeout/timeout-policy) | -| `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:127`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | -| `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:91`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | +| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:135`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | +| `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:114`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`timeout-policy`](../packages/timeout/timeout-policy) | +| `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:130`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | +| `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:94`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | | `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:96`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:85`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:106`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | diff --git a/docs/module-graph.md b/docs/module-graph.md index 39678e16eb..6237fac953 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -88,6 +88,9 @@ flowchart TD pkg_tool_ask_user["tool-ask-user"] pkg_user_interaction["user-interaction"] end + subgraph group_approval["packages/approval"] + pkg_approval["approval"] + end subgraph group_code_runtime["packages/code-runtime"] pkg_code_runtime["code-runtime"] pkg_code_runtime_worker["code-runtime-worker"] @@ -131,11 +134,6 @@ flowchart TD pkg_session_persistence --> pkg_session pkg_llm_replay --> pkg_llm pkg_llm_replay --> pkg_session - pkg_tools --> pkg_agent - pkg_tools --> pkg_code_runtime - pkg_tools --> pkg_llm - pkg_tools --> pkg_session - pkg_tools --> pkg_system_prompt pkg_compact_basic --> pkg_agent pkg_compact_basic --> pkg_compact pkg_compact_basic --> pkg_llm @@ -149,9 +147,19 @@ flowchart TD pkg_invariants --> pkg_session pkg_user_interaction --> pkg_agent pkg_user_interaction --> pkg_llm + pkg_approval --> pkg_agent + pkg_approval --> pkg_brand + pkg_approval --> pkg_llm + pkg_approval --> pkg_session pkg_workflow --> pkg_agent pkg_workflow --> pkg_brand pkg_workflow --> pkg_llm + pkg_tools --> pkg_agent + pkg_tools --> pkg_approval + pkg_tools --> pkg_code_runtime + pkg_tools --> pkg_llm + pkg_tools --> pkg_session + pkg_tools --> pkg_system_prompt pkg_agent_loop --> pkg_agent pkg_agent_loop --> pkg_llm pkg_agent_loop --> pkg_session @@ -290,13 +298,14 @@ flowchart TD | [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | | [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) | | [`llm-replay`](../packages/support/llm-replay) | `support` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | -| [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`user-interaction`](../packages/ui/user-interaction) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm) | +| [`approval`](../packages/approval/approval) | `approval` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`workflow`](../packages/workflow/workflow) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | +| [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index 917386af9b..5d8555e752 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -11,6 +11,30 @@ The on-disk envelope around every payload is `SessionEvent` — `type`, monotoni ## Events +### `approval/*` + +#### `approval/asked` — log-only + +An approval question was put to the answerer chain — log-only audit (like `hook/*`; NOT a surface event, carries no `surfaceOp`). `id` pairs it with the `approval/decided` that always follows; `toolName` is the tool the question is about, `callId` the exact tool call when the asker had one, `reason` the asker's human-readable explanation (e.g. a hook's permission-decision reason). + +```ts persistence-catalog +'approval/asked': { id: ApprovalRequestId; toolName: string; callId?: CallId; reason?: string } +``` + +Types: [CallId](core-data-structures/core.md) + +Source: [`packages/approval/approval/src/index.ts:66`](../packages/approval/approval/src/index.ts) + +#### `approval/decided` — log-only + +The outcome of a prior `approval/asked` (same `id`) — log-only audit. Exactly one per ask, appended when the outcome is known: a decision, a cancellation, or the fail-closed `'unavailable'`. + +```ts persistence-catalog +'approval/decided': { id: ApprovalRequestId; outcome: ApprovalOutcome } +``` + +Source: [`packages/approval/approval/src/index.ts:77`](../packages/approval/approval/src/index.ts) + ### `assistant/*` #### `assistant/chunk` — log-only diff --git a/docs/tool-execution-pipeline.md b/docs/tool-execution-pipeline.md index 09a863badc..28eee043c4 100644 --- a/docs/tool-execution-pipeline.md +++ b/docs/tool-execution-pipeline.md @@ -11,7 +11,8 @@ flowchart TD toolCall["Session event: tool/call
logged before execution"] presentCall["UI pending card
presentCall(args)"] pre["tools/pre-execute waterfall
hooks, permission, sandbox"] - denied["deny or ask
tool body skipped"] + denied["denied
tool body skipped"] + approval["ctx.approval one-shot prompt
absent or unanswerable: deny"] around["tools/execute waterfall
timeout, retry, metrics (around dispatch)"] toolBody["Registered tool execute() body"] fsGate["fs/write-intent or fs/edit-intent
tool-fs mutations only"] @@ -25,7 +26,10 @@ flowchart TD toolCall --> pre pre -->|allow| around around --> toolBody - pre -->|deny or ask| denied + pre -->|deny| denied + pre -->|ask| approval + approval -->|allowed-once| around + approval -->|rejected, cancelled, unavailable| denied denied --> post toolBody --> fsGate fsGate --> toolBody @@ -37,6 +41,6 @@ flowchart TD toolResult --> presentResult ``` -Filesystem read-before-edit checks live below `tool-fs` on the `fs/*` event gate; hook bridges and future permission prompts live on the generic pre/post tool waterfalls; and around-dispatch concerns like the tool-call timeout policy (`@deepseek-ai/dsh-timeout-policy`) wrap core dispatch on `tools/execute`. That split lets the same hooks observe bash, fs, web, todo, and subagent calls without coupling those tools to one policy service. Code Mode rides the same pipeline twice over: `run_code` is itself a registered tool body, and each tool call its program makes re-enters `ctx.tools.execute()` through BOTH waterfalls — serialized one at a time, logged as a `tool/code-dispatch` session event, with a deny surfacing to the program as a binding rejection (a sub-call's `additionalContext` is deliberately dropped — no safe outlet mid-run preserves call/result adjacency). +Filesystem read-before-edit checks live below `tool-fs` on the `fs/*` event gate; hook bridges and the approval seam's permission prompts live on the generic pre/post tool waterfalls; and around-dispatch concerns like the tool-call timeout policy (`@deepseek-ai/dsh-timeout-policy`) wrap core dispatch on `tools/execute`. That split lets the same hooks observe bash, fs, web, todo, and subagent calls without coupling those tools to one policy service. Maintenance mode: curated Mermaid flow; exact tool schemas and event signatures live in generated catalogs. diff --git a/eslint.config.mjs b/eslint.config.mjs index cbb696bccb..500f42f4de 100644 --- a/eslint.config.mjs +++ b/eslint.config.mjs @@ -22,6 +22,7 @@ export default tseslint.config( '**/lib/**', '**/node_modules/**', '**/.sessions/**', + '.claude/**', // harness-local state (worktrees, skills) — other checkouts, not this one's sources '**/.doc-typecheck-*/**', 'vendor/**', // vendored source keeps upstream style and idioms '**/*.js', diff --git a/packages/README.md b/packages/README.md index a656812253..8d1580b291 100644 --- a/packages/README.md +++ b/packages/README.md @@ -12,6 +12,7 @@ Packages are grouped by modular role at `packages///`. The group dir | [`llm/`](llm/README.md) | LLM capability family: the abstract service + provider adapters | Product — stable surface | | [`bash/`](bash/README.md) | Bash capability family: the executor seam, a local impl, and the model-facing tool | Product — stable surface | | [`code-runtime/`](code-runtime/README.md) | Code-execution capability family: the abstract runtime seam for model-written programs + a worker-thread backend | Product — stable surface | +| [`approval/`](approval/README.md) | One-shot permission decisions | Product — stable surface | | [`fs/`](fs/README.md) | Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools | Product — stable surface | | [`compact/`](compact/README.md) | Compaction capability family: the abstract seam + a basic backend (tool deferred) | Product — stable surface | | [`subagent/`](subagent/README.md) | Subagent capability family: the provider-registry seam and the model-facing delegation tool | Product — stable surface | diff --git a/packages/approval/README.md b/packages/approval/README.md new file mode 100644 index 0000000000..3778e2012e --- /dev/null +++ b/packages/approval/README.md @@ -0,0 +1,9 @@ +# approval/ — approval family + +The asking half of permission handling: one seam through which the harness puts a one-shot question — "may this specific action proceed?" — to whatever answerers a deployment composes, with a closed outcome vocabulary and a fail-closed default. The full design: [the approval-seam RFC](../../docs/rfc/proposed/feature/2026-07-06-approval-seam.md). All **product** packages. + +| Package | Role | ctx key | +|---|---|---| +| `approval/` | The `ApprovalService` mechanism (waterfall dispatch, cancellation, audit events) + the vocabulary (`ApprovalRequest`, `ApprovalOutcome`, `ApprovalRequestId`) | `ctx.approval` | + +Answerers live with their owners, not here: tests answer with inline scripted listeners, and the ACP bridge answerer is the staged first real one. Consumer today: [`core/tools`](../core/tools/) routes `tools/pre-execute`'s `ask` through the seam (degrading to deny when it is not mounted). diff --git a/packages/approval/approval/README.md b/packages/approval/approval/README.md new file mode 100644 index 0000000000..0aaf245f2b --- /dev/null +++ b/packages/approval/approval/README.md @@ -0,0 +1,11 @@ +# @deepseek-ai/dsh-approval + +Approval seam. Owns the `ctx.approval` service ([`ApprovalService`](src/index.ts)) and the one-shot permission vocabulary the harness shares: `ApprovalRequest` (agent + tool identity + reason + abort signal), the closed `ApprovalOutcome` union (`allowed-once` / `rejected` / `cancelled` / `unavailable`), the `ApprovalRequestId` brand pairing the two log-only audit events (`approval/asked` / `approval/decided`), and the `approval/request` waterfall the answerers listen on. Depends only on cordis and the core vocabulary packages (agent, session, llm brand), never on any UI. + +The contract in one line: `ctx.approval.request(req)` puts exactly one question — "may this specific action proceed?" — to whatever answerers the deployment composed, and always resolves to an outcome, never rejects: an aborted signal yields `cancelled`, a throwing or missing answerer yields `unavailable`, and `allowed-once` is a grant for the single asked-about action, never a class of future ones. The one precondition: ask from inside an open turn — the audit pair is turn-enclosed by contract (the turn is the durable log's commit/replay boundary; a bare event between turns is crash-tail garbage on reload), so an idle ask throws before appending anything. + +The service is the mechanism, answerers are the policy. Answerers are `approval/request` waterfall listeners occupying a single decision slot: answer for an agent you own by returning an outcome without calling `next()`, or delegate an agent you don't recognize by calling `next()` — the chain's built-in default is `unavailable`, so a deployment with no answerer (headless, CI) fails closed with zero configuration. Registration order across sibling plugins is not load-order deterministic; compose one terminal answerer per deployment and use `prepend` listeners only for decide-or-delegate gates. + +One seam serves both ask paths of [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md): the `tools/pre-execute` `ask` decision (routed by [`@deepseek-ai/dsh-tools`](../../core/tools/) when this service is mounted; degrading to deny when it is not), and the sandbox post-denial escalated retry that RFC stages (the asker will live in the bash tool layer). The full design: [the approval-seam RFC](../../../docs/rfc/proposed/feature/2026-07-06-approval-seam.md). + +No answerer ships in this change — every ask fails closed to `unavailable` until one is composed (the ACP bridge answerer is the staged first one). The audit events are log-only session records — the model only ever sees the tool result the asker derives from the outcome. diff --git a/packages/approval/approval/package.json b/packages/approval/approval/package.json new file mode 100644 index 0000000000..6120e4d4e9 --- /dev/null +++ b/packages/approval/approval/package.json @@ -0,0 +1,38 @@ +{ + "name": "@deepseek-ai/dsh-approval", + "description": "Approval seam (ctx.approval) for the DeepSeek Harness: one-shot permission decisions dispatched to composed answerers over the approval/request waterfall, fail-closed by default", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/approval/approval/src/index.ts b/packages/approval/approval/src/index.ts new file mode 100644 index 0000000000..92b2a0b763 --- /dev/null +++ b/packages/approval/approval/src/index.ts @@ -0,0 +1,240 @@ +/** + * Approval seam: `ctx.approval` answers exactly one question — "may this + * specific action proceed?" — by dispatching the `approval/request` waterfall + * to whatever answerers the deployment composed (an ACP editor prompt, an + * auto-decide policy, a scripted test listener) and returning a closed + * {@link ApprovalOutcome}. With no answerer the waterfall falls through to the + * built-in default `'unavailable'`: absence of a UI can never grant anything. + * + * The service is the MECHANISM (dispatch, cancellation, audit); answerers are + * the POLICY. It serves both ask paths the sandbox RFC names — the + * `tools/pre-execute` `ask` decision today, and the sandbox post-denial + * escalation when that phase lands — so every asker shares one outcome + * vocabulary and one audit trail. Grants are one-shot by design: an + * `'allowed-once'` outcome authorizes the single action it was asked about, + * never a class of future actions. + * + * Every request lands two log-only session events on the requesting agent's + * log (`approval/asked` / `approval/decided`, paired by + * {@link ApprovalRequestId}) — an audit trail, deliberately NOT part of the + * model-visible transcript: the model only ever sees the tool result the + * caller derives from the outcome. + * + * @module @deepseek-ai/dsh-approval + */ + +import { randomUUID } from 'node:crypto' +import { Context, Service } from 'cordis' +import type { Branded } from '@deepseek-ai/dsh-brand' +import type { Agent } from '@deepseek-ai/dsh-agent' +import type { CallId } from '@deepseek-ai/dsh-llm' +import type {} from '@deepseek-ai/dsh-session' + +declare module 'cordis' { + interface Context { + approval: ApprovalService + } + + interface Events { + /** + * Waterfall asking the composed answerers to decide one approval request. + * Dispatched only from {@link ApprovalService.request} — callers go through + * the service (which owns cancellation and the audit events), never through + * `ctx.waterfall` directly. A listener that can answer for this request's + * agent returns an outcome WITHOUT calling `next()` (the decision slot is + * single-occupancy, first listener to answer wins); a listener that does + * not recognize the agent MUST call `next()` so another answerer — or the + * fail-closed default `'unavailable'` — gets the question. Throwing is + * contained by the service and yields `'unavailable'`. + * @param req - the pending decision (agent, tool identity, reason, signal). + * @mode waterfall + */ + 'approval/request'(this: ApprovalService, req: ApprovalRequest, next: () => Promise): Promise + } +} + +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + /** + * An approval question was put to the answerer chain — log-only audit + * (like `hook/*`; NOT a surface event, carries no `surfaceOp`). `id` pairs + * it with the `approval/decided` that always follows; `toolName` is the + * tool the question is about, `callId` the exact tool call when the asker + * had one, `reason` the asker's human-readable explanation (e.g. a hook's + * permission-decision reason). + */ + 'approval/asked': { + id: ApprovalRequestId + toolName: string + callId?: CallId + reason?: string + } + /** + * The outcome of a prior `approval/asked` (same `id`) — log-only audit. + * Exactly one per ask, appended when the outcome is known: a decision, a + * cancellation, or the fail-closed `'unavailable'`. + */ + 'approval/decided': { + id: ApprovalRequestId + outcome: ApprovalOutcome + } + } +} + +/** + * Pairs one `approval/asked` audit event with its `approval/decided`. + * Service-issued (one fresh id per {@link ApprovalService.request} call). + */ +export type ApprovalRequestId = Branded<'ApprovalRequestId'> + +/** + * Brand a string as an {@link ApprovalRequestId}. + * @param id - the raw id string to brand. + * @returns the same string carrying the brand. + */ +export function ApprovalRequestId(id: string): ApprovalRequestId { + return id as ApprovalRequestId +} + +/** + * The closed outcome vocabulary of one approval request. + * + * - `'allowed-once'` — a one-shot grant for exactly the asked-about action; + * consumed by proceeding, never a durable authorization. + * - `'rejected'` — an answerer (human or policy) said no. + * - `'cancelled'` — the question was withdrawn: the prompt was dismissed, or + * the requesting execution aborted while the question was pending. + * - `'unavailable'` — nobody composed could answer (no listener, none that + * recognizes the agent, or an answerer failed). Callers MUST fail closed on + * it, exactly like `'rejected'` — the two differ only for audit and wording. + */ +export type ApprovalOutcome = 'allowed-once' | 'rejected' | 'cancelled' | 'unavailable' + +/** Every {@link ApprovalOutcome}, for runtime normalization of answerer returns. */ +const OUTCOMES: readonly ApprovalOutcome[] = ['allowed-once', 'rejected', 'cancelled', 'unavailable'] + +/** + * Whether the log currently sits inside an open turn (a `turn/start` not yet + * closed by a `turn/end`) — the {@link ApprovalService.request} precondition. + * The audit pair must be turn-enclosed: the turn is the durable log's + * commit/replay boundary, so a bare event appended between turns is + * indistinguishable from a crash tail and silently dropped on reload. + */ +function hasOpenTurn(events: readonly SessionEvent[]): boolean { + for (let index = events.length - 1; index >= 0; index -= 1) { + const type = (events[index] as SessionEvent).type + if (type === 'turn/start') return true + if (type === 'turn/end') return false + } + return false +} + +/** + * One concrete permission question. Identifies the action precisely enough + * for an answerer to present it and for the audit events to reconstruct what + * was asked — it deliberately does NOT carry tool arguments: a UI answerer + * attaches the prompt to the already-streamed tool call via `callId` instead + * of re-rendering the call. + */ +export interface ApprovalRequest { + /** + * The agent on whose behalf the question is asked. Routes the question (a + * UI answerer only answers for agents it owns) and receives the audit + * events on its session log. + */ + agent: Agent + /** The tool the question is about (presentation and audit). */ + toolName: string + /** + * The exact tool call being decided, when the asker has one — lets a UI + * attach the prompt to the tool call it already streamed. + */ + callId?: CallId + /** The asker's human-readable explanation of WHY it is asking. */ + reason?: string + /** + * Aborting withdraws the question: the request settles `'cancelled'` + * immediately and a late answer from a still-pending answerer is discarded. + */ + signal?: AbortSignal +} + +/** + * The `ctx.approval` service: dispatches {@link ApprovalRequest}s to the + * `approval/request` waterfall and audits every ask/outcome pair to the + * requesting agent's session log. Stateless between requests — grants are + * returned to the caller, never stored here. + */ +export class ApprovalService extends Service { + constructor(ctx: Context) { + super(ctx, 'approval') + } + + /** + * Ask the composed answerers to decide one request. Requires an open turn + * on the requesting agent's session — the audit pair below is turn-enclosed + * by contract (the turn is the log's commit/replay boundary; an idle append + * would be dropped as crash tail on reload) — and throws before appending + * anything when called idle; asking outside a turn is a deferred design. + * Within that precondition it always resolves to an outcome, never rejects: + * an aborted signal yields `'cancelled'`, a missing or throwing answerer + * yields `'unavailable'` (fail closed), and a rogue non-vocabulary return + * value is normalized to `'unavailable'`. Appends the + * `approval/asked`/`approval/decided` audit pair (log-only) around the + * decision regardless of outcome. + * @param req - the pending decision (agent, tool identity, reason, signal). + * @returns the closed outcome; `'allowed-once'` is the only grant. + */ + async request(req: ApprovalRequest): Promise { + if (!hasOpenTurn(req.agent.session.events)) { + throw new Error( + 'approval.request() outside an open turn: the approval/asked + approval/decided audit pair ' + + 'must be turn-enclosed (a bare event between turns is crash-tail garbage on reload). ' + + 'Ask from inside the turn that needs the decision.', + ) + } + const id = ApprovalRequestId(randomUUID()) + req.agent.session.append('approval/asked', { + id, + toolName: req.toolName, + ...req.callId !== undefined ? { callId: req.callId } : {}, + ...req.reason !== undefined ? { reason: req.reason } : {}, + }) + const outcome = await this.decide(req) + req.agent.session.append('approval/decided', { id, outcome }) + return outcome + } + + /** Dispatch the waterfall, contained and raced against `req.signal`. */ + private async decide(req: ApprovalRequest): Promise { + if (req.signal?.aborted) return 'cancelled' + // Enter the promise chain BEFORE dispatching: a listener that throws + // SYNCHRONOUSLY (before its first await) must land in the same rejection + // path as an async one — `Promise.resolve(call())` would let it escape + // the containment into the caller. + const answer: Promise = Promise.resolve().then( + () => this.ctx.waterfall(this, 'approval/request', req, () => Promise.resolve('unavailable')), + ).then( + // Normalize a rogue (non-vocabulary) answerer return to the fail-closed + // outcome instead of leaking it into callers' closed-union switches. + outcome => OUTCOMES.includes(outcome) ? outcome : 'unavailable', + // A throwing answerer must fail the QUESTION closed, not the caller's + // tool call open — the seam contains its callbacks. + () => 'unavailable', + ) + const signal = req.signal + if (signal === undefined) return answer + return await new Promise((resolve) => { + const onAbort = () => { resolve('cancelled') } + signal.addEventListener('abort', onAbort, { once: true }) + void answer.then((outcome) => { + signal.removeEventListener('abort', onAbort) + // After an abort won the race this resolve is a settled-promise no-op: + // the late answer is discarded by construction. + resolve(outcome) + }) + }) + } +} + +export default ApprovalService diff --git a/packages/approval/approval/tests/approval.spec.ts b/packages/approval/approval/tests/approval.spec.ts new file mode 100644 index 0000000000..c356723438 --- /dev/null +++ b/packages/approval/approval/tests/approval.spec.ts @@ -0,0 +1,203 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { CallId } from '@deepseek-ai/dsh-llm' +import type { SessionEvent } from '@deepseek-ai/dsh-session' +import ApprovalService, { ApprovalOutcome, ApprovalRequest } from '@deepseek-ai/dsh-approval' + +/** + * A minimal Agent stand-in — the service only reaches `agent.session.append` + * and folds `.events`. Seeded inside an open turn by default (request()'s + * turn-enclosure precondition); pass `seed` to stage idle/closed logs. + * Returns the recorded audit appends alongside the fake. + */ +function fakeAgent(seed: Array<{ type: string }> = [{ type: 'turn/start' }, { type: 'user/message' }]): { agent: Agent; appended: Array<{ type: string; data: Record }> } { + const appended: Array<{ type: string; data: Record }> = [] + const agent = { + session: { + events: seed, + append: (type: string, data: Record) => { + appended.push({ type, data }) + return { type, data } as unknown as SessionEvent + }, + }, + } as unknown as Agent + return { agent, appended } +} + +async function mounted(): Promise { + const ctx = new Context() + await ctx.plugin(ApprovalService) + return ctx +} + +function requestOf(agent: Agent, overrides: Partial = {}): ApprovalRequest { + return { agent, toolName: 'echo', ...overrides } +} + +describe('ApprovalService.request', () => { + it('throws before appending anything when no turn has ever opened (idle ask)', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent([]) + + await expect(ctx.approval.request(requestOf(agent))).rejects.toThrow(/outside an open turn/) + expect(appended).toHaveLength(0) + }) + + it('throws between turns — a closed turn does not satisfy the enclosure precondition', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent([{ type: 'turn/start' }, { type: 'turn/end' }]) + + await expect(ctx.approval.request(requestOf(agent))).rejects.toThrow(/outside an open turn/) + expect(appended).toHaveLength(0) + }) + + it('fails closed to unavailable when nobody listens, auditing the asked/decided pair', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + + const outcome = await ctx.approval.request(requestOf(agent, { callId: CallId('call-1'), reason: 'hook says ask' })) + + expect(outcome).toBe('unavailable') + expect(appended.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + const [asked, decided] = appended + expect(asked?.data).toMatchObject({ toolName: 'echo', callId: 'call-1', reason: 'hook says ask' }) + expect(decided?.data).toMatchObject({ outcome: 'unavailable' }) + expect(decided?.data['id']).toBe(asked?.data['id']) + }) + + it('omits absent optional fields from the asked audit event', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + + await ctx.approval.request(requestOf(agent)) + + expect(Object.keys(appended[0]?.data ?? {}).sort()).toEqual(['id', 'toolName']) + }) + + it('returns the first answering listener outcome (single decision slot)', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + let secondRan = false + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + ctx.on('approval/request', () => { + secondRan = true + return Promise.resolve('rejected') + }) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('allowed-once') + expect(secondRan).toBe(false) + }) + + it('lets a non-owning listener delegate via next() down to the fail-closed default', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + ctx.on('approval/request', (_req, next) => next()) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + }) + + it('contains a throwing answerer as unavailable', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + ctx.on('approval/request', () => Promise.reject(new Error('transport died'))) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + expect(appended[1]?.data).toMatchObject({ outcome: 'unavailable' }) + }) + + it('normalizes a rogue non-vocabulary answer to unavailable', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + // A JS answerer can return anything; the seam must not leak it into + // callers' closed-union switches. + ctx.on('approval/request', () => Promise.resolve('yolo' as ApprovalOutcome)) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + }) + + it('settles cancelled immediately on an already-aborted signal without asking anyone', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + let asked = false + ctx.on('approval/request', () => { + asked = true + return Promise.resolve('allowed-once') + }) + + const outcome = await ctx.approval.request(requestOf(agent, { signal: AbortSignal.abort() })) + + expect(outcome).toBe('cancelled') + expect(asked).toBe(false) + expect(appended.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + expect(appended[1]?.data).toMatchObject({ outcome: 'cancelled' }) + }) + + it('resolves cancelled when the signal aborts mid-question and discards the late answer', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + let settleLate: ((outcome: ApprovalOutcome) => void) | undefined + ctx.on('approval/request', () => new Promise((resolve) => { settleLate = resolve })) + const controller = new AbortController() + + const pending = ctx.approval.request(requestOf(agent, { signal: controller.signal })) + controller.abort() + await expect(pending).resolves.toBe('cancelled') + + // The answerer settles after the fact: no second decided event appears. + settleLate?.('allowed-once') + await Promise.resolve() + expect(appended.filter(e => e.type === 'approval/decided')).toHaveLength(1) + expect(appended[1]?.data).toMatchObject({ outcome: 'cancelled' }) + }) + + it('discards a late REJECTION after abort without an unhandled rejection', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + let rejectLate: ((error: Error) => void) | undefined + ctx.on('approval/request', () => new Promise((_resolve, reject) => { rejectLate = reject })) + const controller = new AbortController() + + const pending = ctx.approval.request(requestOf(agent, { signal: controller.signal })) + controller.abort() + await expect(pending).resolves.toBe('cancelled') + + rejectLate?.(new Error('answered too late')) + // Drain microtasks: the contained rejection must not escape the seam. + await new Promise((resolve) => { setTimeout(resolve, 0) }) + }) + + it('resolves the answer when the signal never aborts', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + ctx.on('approval/request', () => Promise.resolve('rejected')) + const controller = new AbortController() + + await expect(ctx.approval.request(requestOf(agent, { signal: controller.signal }))).resolves.toBe('rejected') + }) + + it('issues a fresh id per request', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + + await ctx.approval.request(requestOf(agent)) + await ctx.approval.request(requestOf(agent)) + + const ids = appended.filter(e => e.type === 'approval/asked').map(e => e.data['id']) + expect(ids).toHaveLength(2) + expect(ids[0]).not.toBe(ids[1]) + }) + + it('drops a disposed plugin listener from the chain (HMR safety)', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + const fiber = await ctx.plugin((inner: Context) => { + inner.on('approval/request', () => Promise.resolve('allowed-once')) + }) + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('allowed-once') + + await fiber.dispose() + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + }) +}) + diff --git a/packages/approval/approval/tsconfig.json b/packages/approval/approval/tsconfig.json new file mode 100644 index 0000000000..2d834f075d --- /dev/null +++ b/packages/approval/approval/tsconfig.json @@ -0,0 +1,36 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../core/session" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../core/system-prompt" + } + ] +} diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md index 7a383c5064..dde232a626 100644 --- a/packages/core/tools/README.md +++ b/packages/core/tools/README.md @@ -22,7 +22,7 @@ tools: ### Injected services -`SystemPrompt` — the registry automatically feeds its tool schemas into the system-prompt assembly via `ctx.systemPrompt.tools()`. +`SystemPrompt` — the registry automatically feeds its tool schemas into the system-prompt assembly via `ctx.systemPrompt.tools()`. The approval seam is consumed opportunistically instead (`ctx.get('approval')`, no static inject): a deployment without it keeps the ask→deny degrade, and the registry stays active either way. ### Events @@ -38,14 +38,14 @@ tools: - `ToolDefinition` — `ToolSchema` + `execute(args, exec): Promise` (the bare array is the model-facing content; the object form additionally attaches an opaque, JSON-serializable `meta` presentation payload persisted on the `tool/result` event and handed back to `presentResult`), plus optional `presentCall(args)` / `presentResult(args, result)` for tool-owned UI presentation (see below). It also carries an optional cooperative timeout budget `timeoutMs?: number` (ms) enforced by `@deepseek-ai/dsh-timeout-policy`, never sent to the model. - `ToolExecution` — one pending tool call: `{ callId, name, arguments, agent?, signal? }`. - `ToolExecutionResult` — outcome: `{ callId, content, isError, error?, additionalContext?, meta? }`. On failure with a `HarnessError`, `error: { name, code }` carries the structured failure class alongside the model-facing text (the loop forwards it onto the `tool/result` session event for retry/sandbox plugins and replay). `additionalContext` (a `HookContext`) ferries any `tools/post-execute` context up to the loop, which buffers it and appends it as a `context/message` after all `tool/result`s in the step. `meta` is the tool's opaque presentation payload from a successful `execute` (the object return form); the loop forwards it onto the `tool/result` session event for result-card rendering. -- `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite (changing `arguments`) is deliberately NOT offered (it would desync the pre-execution audit/history/UI from what ran — its own proposed RFC); `ask` degrades to `deny` until the permission system lands. +- `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite (changing `arguments`) is deliberately NOT offered (it would desync the pre-execution audit/history/UI from what ran — its own proposed RFC); `ask` is serviced by [`ctx.approval`](../../approval/approval/README.md) when a deployment mounts it (`allowed-once` proceeds to dispatch; `rejected`/`cancelled`/`unavailable` deny with distinct reasons) and degrades to `deny` when none is mounted or the execution carries no agent. - `PostToolDecision` — `{kind:'accept', content?, additionalContext?}` (keep the call successful, optionally replacing the model-facing content) | `{kind:'block', feedback, additionalContext?}` (turn it into an `isError` whose content is the corrective feedback). Output replacement is clean because `tool/result` is logged AFTER `execute()` returns. - `ToolCallView` / `ToolResultView` — provider-neutral `card`-tagged render intents a tool returns from `presentCall` / `presentResult` to own how a UI renders ITS calls (see "Tool-owned UI presentation"). ### Extension points - Tool plugins call `ctx.tools.register()` — schemas flow into the assembly automatically. -- `tools/pre-execute` is the allow/deny gate (sandbox, permission, hooks): listeners receive `(exec, next)` and call `next()` to delegate to the default (allow) or return a `PreToolDecision` to short-circuit; a `deny`/`ask` skips dispatch and yields an `isError` result. `tools/execute` is the around-dispatch seam (timeout, retry, metrics): listeners receive `(exec, next)` and call `next()` to delegate to core dispatch (returning its `ToolExecutionResult`, optionally wrapped), or return a replacement result to short-circuit dispatch; the base `next()` IS dispatch-with-normalization, so `await next()` already yields an `isError` result for a thrown/unknown tool (never a raw throw). A wrapper mutates `exec` in place before `next()` — e.g. replacing `exec.signal` with a per-call deadline — because cordis `next()` ignores passed arguments. `tools/post-execute` is the inspect/transform seam: `(exec, result, next)` → a `PostToolDecision` that can replace content, block with feedback, or attach `additionalContext`. Core dispatch is the base of the `tools/execute` waterfall; the tool body keeps its own try/catch so a thrown tool still reaches `post-execute` as an `isError`. All follow the typed-Decision idiom shared with the `agent/*` interception seams (see [`dsh-agent`](../agent/README.md)); `@deepseek-ai/dsh-timeout-policy` is the reference `tools/execute` wrapper. +- `tools/pre-execute` is the allow/deny gate (sandbox, permission, hooks): listeners receive `(exec, next)` and call `next()` to delegate to the default (allow) or return a `PreToolDecision` to short-circuit; a `deny` skips dispatch and yields an `isError` result, and an `ask` resolves through the approval seam first — only a grant dispatches (see `PreToolDecision` above). `tools/execute` is the around-dispatch seam (timeout, retry, metrics): listeners receive `(exec, next)` and call `next()` to delegate to core dispatch (returning its `ToolExecutionResult`, optionally wrapped), or return a replacement result to short-circuit dispatch; the base `next()` IS dispatch-with-normalization, so `await next()` already yields an `isError` result for a thrown/unknown tool (never a raw throw). A wrapper mutates `exec` in place before `next()` — e.g. replacing `exec.signal` with a per-call deadline — because cordis `next()` ignores passed arguments. `tools/post-execute` is the inspect/transform seam: `(exec, result, next)` → a `PostToolDecision` that can replace content, block with feedback, or attach `additionalContext`. Core dispatch is the base of the `tools/execute` waterfall; the tool body keeps its own try/catch so a thrown tool still reaches `post-execute` as an `isError`. All follow the typed-Decision idiom shared with the `agent/*` interception seams (see [`dsh-agent`](../agent/README.md)); `@deepseek-ai/dsh-timeout-policy` is the reference `tools/execute` wrapper. - MCP servers: one plugin per server, discover tools, call `ctx.tools.register()` with the server's schemas. ### Typed tool parameter schemas diff --git a/packages/core/tools/package.json b/packages/core/tools/package.json index f6425538b1..aafd87385f 100644 --- a/packages/core/tools/package.json +++ b/packages/core/tools/package.json @@ -23,6 +23,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-approval": "^0.0.1", "@deepseek-ai/dsh-code-runtime": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", @@ -34,6 +35,7 @@ }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-approval": "workspace:^", "@deepseek-ai/dsh-code-runtime": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts index e113a0c77c..20f32ec97d 100644 --- a/packages/core/tools/src/index.ts +++ b/packages/core/tools/src/index.ts @@ -19,10 +19,13 @@ import { Context, Service } from 'cordis' import z from 'schemastery' import type { CallId, ContentBlock, ToolSchema } from '@deepseek-ai/dsh-llm' -import { HarnessError } from '@deepseek-ai/dsh-llm' +import { assertNever, HarnessError } from '@deepseek-ai/dsh-llm' import type { Agent, HookContext } from '@deepseek-ai/dsh-agent' import type {} from '@deepseek-ai/dsh-system-prompt' import type { CodeRuntime } from '@deepseek-ai/dsh-code-runtime' +// Type-only: makes `ctx.get('approval')` resolve to the ApprovalService +// augmentation. The seam stays optional at runtime — see `serviceAsk`. +import type {} from '@deepseek-ai/dsh-approval' import type { ToolCallView, ToolResultView } from './presentation.ts' import { createRunCodeTool, RUN_CODE_NAME, SDK_SECTION_ORDER } from './code-mode.ts' import { renderToolsSdk } from './ts-types.ts' @@ -83,8 +86,8 @@ declare module 'cordis' { * or return a {@link PreToolDecision} without calling `next()` to * short-circuit. A `deny` skips dispatch and yields an `isError` result; the * tool body never runs. Input rewrite is deliberately NOT offered here (see - * {@link PreToolDecision}); `ask` degrades to deny until the permission - * system lands (`FIXME(permissions)`). + * {@link PreToolDecision}); `ask` is serviced by the `ctx.approval` seam + * when one is mounted, and degrades to deny otherwise. * @param exec - the pending call (name, parsed arguments, caller agent). * @mode waterfall */ @@ -268,8 +271,9 @@ export interface ToolExecutionResult { * would desync the UI from what RAN. That consistency redesign is its own * `proposed` RFC; `TODO(pre-tool-input-rewrite)` anchors it at the call site.) * - `deny` skips dispatch; the loop records an `isError` result carrying `reason`. - * - `ask` is the permission-prompt intent; until the permission system exists it - * degrades to `deny` (`FIXME(permissions)`). + * - `ask` is the permission-prompt intent: serviced as a one-shot decision by + * the `ctx.approval` seam when one is mounted (`allowed-once` proceeds to + * dispatch; every other outcome denies), degrading to `deny` when none is. */ export type PreToolDecision = | { kind: 'allow' } @@ -486,22 +490,17 @@ export class ToolRegistry extends Service { */ async execute(exec: ToolExecution): Promise { try { - // --- Gate: tools/pre-execute. A deny (or an ask, which degrades to deny - // until the permission system lands) skips dispatch entirely. --- - const decision = await this.ctx.waterfall( + // --- Gate: tools/pre-execute. An `ask` resolves through the approval + // seam (or degrades) to allow/deny before the shared deny path. --- + const gate = await this.ctx.waterfall( this, 'tools/pre-execute', exec, () => Promise.resolve({ kind: 'allow' }), ) + const decision = gate.kind === 'ask' ? await this.serviceAsk(exec, gate) : gate if (decision.kind !== 'allow') { - // deny → isError. ask has no permission UI yet, so degrade to deny - // (FIXME(permissions)): a forthcoming permission system turns `ask` into - // a real prompt; today it is the conservative "not allowed". - const reason = decision.kind === 'deny' - ? decision.reason - : decision.reason ?? `tool "${exec.name}" requires approval (not yet supported)` const denied: ToolExecutionResult = { callId: exec.callId, - content: [{ type: 'text', text: `Error: ${reason}` }], + content: [{ type: 'text', text: `Error: ${decision.reason}` }], isError: true, } return await this.postExecute(exec, denied) @@ -540,6 +539,44 @@ export class ToolRegistry extends Service { } } + /** + * Resolve an `ask` decision to allow/deny through the approval seam. The + * seam is consumed opportunistically with `ctx.get('approval')` — a + * deployment that composes no ApprovalService keeps the historical degrade + * to deny, and an unmount mid-session degrades the same way on the next ask. + * An agent-less execution also degrades: without an agent there is no + * session to audit to and no UI to route to. Otherwise the outcome maps + * one-to-one — `allowed-once` proceeds; the three non-grants deny with + * distinct reasons so the model can tell a human "no" from an absent + * approval channel. + */ + private async serviceAsk( + exec: ToolExecution, + ask: Extract, + ): Promise> { + const approval = this.ctx.get('approval') + if (approval === undefined) { + return { kind: 'deny', reason: ask.reason ?? `tool "${exec.name}" requires approval (not yet supported)` } + } + if (exec.agent === undefined) { + return { kind: 'deny', reason: `tool "${exec.name}" requires approval, but the call has no agent to route it through` } + } + const outcome = await approval.request({ + agent: exec.agent, + toolName: exec.name, + callId: exec.callId, + ...ask.reason !== undefined ? { reason: ask.reason } : {}, + ...exec.signal !== undefined ? { signal: exec.signal } : {}, + }) + switch (outcome) { + case 'allowed-once': return { kind: 'allow' } + case 'rejected': return { kind: 'deny', reason: `the user rejected tool "${exec.name}"` } + case 'cancelled': return { kind: 'deny', reason: `approval for tool "${exec.name}" was cancelled` } + case 'unavailable': return { kind: 'deny', reason: `tool "${exec.name}" requires approval, but no approval channel is available` } + default: return assertNever(outcome, 'ApprovalOutcome') + } + } + /** * Run the `tools/post-execute` waterfall over a dispatched `result` and apply * its {@link PostToolDecision}: `accept` keeps the call successful (replacing diff --git a/packages/core/tools/tests/tools.spec.ts b/packages/core/tools/tests/tools.spec.ts index cad484640b..6b59d96eb7 100644 --- a/packages/core/tools/tests/tools.spec.ts +++ b/packages/core/tools/tests/tools.spec.ts @@ -2,6 +2,8 @@ import { describe, expect, expectTypeOf, it } from 'vitest' import { Context } from 'cordis' import { CallId, HarnessError } from '@deepseek-ai/dsh-llm' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import type { Agent } from '@deepseek-ai/dsh-agent' +import ApprovalService, { type ApprovalOutcome, type ApprovalRequest } from '@deepseek-ai/dsh-approval' import ToolRegistry, { defineTool, schemaSpecToJsonSchema, validateArgs, ToolArgsError, ToolNotFoundError, type InferArgs, type SchemaSpec, type PreToolDecision, type PostToolDecision, @@ -158,7 +160,7 @@ describe('ToolRegistry', () => { expect(result.content[0]).toMatchObject({ text: 'Error: denied by policy' }) }) - it('an ask decision degrades to deny until the permission system lands', async () => { + it('an ask decision degrades to deny when no approval seam is mounted', async () => { const ctx = await setup() ctx.tools.register(echoTool) @@ -181,6 +183,107 @@ describe('ToolRegistry', () => { expect(result.content[0]).toMatchObject({ text: 'Error: tool "echo" requires approval (not yet supported)' }) }) + describe('ask routing through ctx.approval', () => { + /** + * A minimal Agent stand-in — the approval seam reaches + * `agent.session.append` and folds `.events`; the seeded open turn + * satisfies request()'s enclosure precondition. + */ + function fakeAgent(): Agent { + return { + session: { events: [{ type: 'turn/start' }], append: () => ({}) }, + } as unknown as Agent + } + + async function approvalSetup() { + const ctx = await setup() + await ctx.plugin(ApprovalService) + ctx.tools.register(echoTool) + return ctx + } + + it('dispatches the tool when the answerer grants allowed-once, forwarding the ask fields', async () => { + const ctx = await approvalSetup() + const agent = fakeAgent() + const controller = new AbortController() + const seen: ApprovalRequest[] = [] + ctx.on('approval/request', (req) => { + seen.push(req) + return Promise.resolve('allowed-once') + }) + ctx.on('tools/pre-execute', async (_exec, _next): Promise => + ({ kind: 'ask', reason: 'hook wants a human' })) + + const result = await ctx.tools.execute({ + callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' }, agent, signal: controller.signal, + }) + + expect(result).toMatchObject({ isError: false, content: [{ type: 'text', text: 'hi' }] }) + expect(seen).toHaveLength(1) + expect(seen[0]).toMatchObject({ agent, toolName: 'echo', callId: 'c1', reason: 'hook wants a human' }) + expect(seen[0]?.signal).toBe(controller.signal) + }) + + it('denies with the user-rejection reason on rejected', async () => { + const ctx = await approvalSetup() + ctx.on('approval/request', () => Promise.resolve('rejected')) + ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: the user rejected tool "echo"' }) + }) + + it('denies with the cancellation reason on cancelled', async () => { + const ctx = await approvalSetup() + ctx.on('approval/request', () => Promise.resolve('cancelled')) + ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: approval for tool "echo" was cancelled' }) + }) + + it('denies with the no-channel reason when the seam is mounted but nobody answers', async () => { + const ctx = await approvalSetup() + ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: tool "echo" requires approval, but no approval channel is available' }) + }) + + it('denies an agent-less execution without asking — nothing to route or audit through', async () => { + const ctx = await approvalSetup() + let asked = false + ctx.on('approval/request', () => { + asked = true + return Promise.resolve('allowed-once') + }) + ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {} }) + expect(asked).toBe(false) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: tool "echo" requires approval, but the call has no agent to route it through' }) + }) + + it('turns a rogue outcome from a NON-conforming approval stand-in into an isError result', async () => { + // ApprovalService normalizes rogue answers itself; this pins the + // registry's own exhaustiveness backstop by shadowing the service with a + // stand-in that violates the outcome contract. + const ctx = await setup() + ctx.tools.register(echoTool) + ctx.provide('approval', { request: () => Promise.resolve('yolo') } as unknown as ApprovalService) + ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + const text = result.content[0]?.type === 'text' ? result.content[0].text : '' + expect(text).toContain('unreachable') + }) + }) + it('a tools/post-execute listener can replace the result content (accept) ', async () => { const ctx = await setup() ctx.tools.register(echoTool) diff --git a/packages/core/tools/tsconfig.json b/packages/core/tools/tsconfig.json index 68edd3b003..19e17e950f 100644 --- a/packages/core/tools/tsconfig.json +++ b/packages/core/tools/tsconfig.json @@ -28,6 +28,9 @@ }, { "path": "../../core/agent" + }, + { + "path": "../../approval/approval" } ] } diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 1f607b7d9d..4b6542bbe0 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -75,6 +75,24 @@ importers: specifier: ^4.1.8 version: 4.1.8(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) + packages/approval/approval: + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-brand': + specifier: workspace:^ + version: link:../../util/brand + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/bash/bash: devDependencies: '@deepseek-ai/dsh-brand': @@ -348,6 +366,9 @@ importers: '@deepseek-ai/dsh-agent': specifier: workspace:^ version: link:../agent + '@deepseek-ai/dsh-approval': + specifier: workspace:^ + version: link:../../approval/approval '@deepseek-ai/dsh-code-runtime': specifier: workspace:^ version: link:../../code-runtime/code-runtime diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index 610ff3f1ea..5061b12ddb 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -159,6 +159,15 @@ const SERVICE_ROLES: ServiceRole[] = [ consumers: ['tool-bash', 'hooks-claude', 'hooks-codex'], note: 'The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local.', }, + { + key: 'approval', + pkg: 'approval', + title: 'Approval seam', + mode: 'seam', + implementations: [], + consumers: ['tools'], + note: 'One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`.', + }, { key: 'codeRuntime', pkg: 'code-runtime', @@ -673,7 +682,8 @@ function renderToolPipeline(): string { ` toolCall["Session event: ${mermaidCode('tool/call')}
logged before execution"]`, ' presentCall["UI pending card
presentCall(args)"]', ` pre["${mermaidCode('tools/pre-execute')} waterfall
hooks, permission, sandbox"]`, - ' denied["deny or ask
tool body skipped"]', + ' denied["denied
tool body skipped"]', + ` approval["${mermaidCode('ctx.approval')} one-shot prompt
absent or unanswerable: deny"]`, ` around["${mermaidCode('tools/execute')} waterfall
timeout, retry, metrics (around dispatch)"]`, ' toolBody["Registered tool execute() body"]', ` fsGate["${mermaidCode('fs/write-intent')} or ${mermaidCode('fs/edit-intent')}
tool-fs mutations only"]`, @@ -687,7 +697,10 @@ function renderToolPipeline(): string { ' toolCall --> pre', ' pre -->|allow| around', ' around --> toolBody', - ' pre -->|deny or ask| denied', + ' pre -->|deny| denied', + ' pre -->|ask| approval', + ' approval -->|allowed-once| around', + ' approval -->|rejected, cancelled, unavailable| denied', ' denied --> post', ' toolBody --> fsGate', ' fsGate --> toolBody', @@ -699,7 +712,7 @@ function renderToolPipeline(): string { ' toolResult --> presentResult', '```', '', - 'Filesystem read-before-edit checks live below `tool-fs` on the `fs/*` event gate; hook bridges and future permission prompts live on the generic pre/post tool waterfalls; and around-dispatch concerns like the tool-call timeout policy (`@deepseek-ai/dsh-timeout-policy`) wrap core dispatch on `tools/execute`. That split lets the same hooks observe bash, fs, web, todo, and subagent calls without coupling those tools to one policy service. Code Mode rides the same pipeline twice over: `run_code` is itself a registered tool body, and each tool call its program makes re-enters `ctx.tools.execute()` through BOTH waterfalls — serialized one at a time, logged as a `tool/code-dispatch` session event, with a deny surfacing to the program as a binding rejection (a sub-call\'s `additionalContext` is deliberately dropped — no safe outlet mid-run preserves call/result adjacency).', + 'Filesystem read-before-edit checks live below `tool-fs` on the `fs/*` event gate; hook bridges and the approval seam\'s permission prompts live on the generic pre/post tool waterfalls; and around-dispatch concerns like the tool-call timeout policy (`@deepseek-ai/dsh-timeout-policy`) wrap core dispatch on `tools/execute`. That split lets the same hooks observe bash, fs, web, todo, and subagent calls without coupling those tools to one policy service.', '', ...maintenanceFooter(maintenance), ].join('\n') diff --git a/tsconfig.base.json b/tsconfig.base.json index ddba51c53f..b6d0281f81 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -40,6 +40,7 @@ // here. The build graph's project references (tsconfig.build.json) stay // explicit — TS project references have no wildcard form. "@deepseek-ai/dsh-*": [ + "./packages/approval/*/src", "./packages/core/*/src", "./packages/llm/*/src", "./packages/bash/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index feff283866..2033218d01 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -18,6 +18,7 @@ { "path": "./packages/session-persistence/session-persistence-jsonl" }, { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, + { "path": "./packages/approval/approval" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, diff --git a/tsconfig.json b/tsconfig.json index feb2ca5b07..af8badd19f 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -29,6 +29,7 @@ { "path": "./packages/session-persistence/session-persistence-jsonl" }, { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, + { "path": "./packages/approval/approval" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, From 80d872660164a48f829d4603f97916111b322f94 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 15:36:08 +0800 Subject: [PATCH 71/90] feat(acp): the bridge approval answerer + scripted permission answers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The ACP bridge registers the first real approval answerer: an ask for an agent it owns becomes session/request_permission attached to the already- streamed tool call (one-shot allow_once/reject_once only), outcomes map conservatively (unknown optionId never grants, client cancel → cancelled), and foreign or call-less requests delegate down the waterfall. The snapshot harness accepts scripted permissionAnswers (FIFO; an unscripted prompt answers cancelled, fail closed) so recorded scenarios can drive the wire keylessly. --- docs/capability-seams.md | 3 +- docs/config-catalog.md | 2 +- docs/event-producer-consumer.md | 2 +- docs/module-graph.md | 3 +- examples/acp-agent/README.md | 2 +- examples/acp-agent/tests/acp.e2e.ts | 5 +- packages/support/acp-snapshot/README.md | 2 +- packages/support/acp-snapshot/src/harness.ts | 20 ++++ .../tests/fixtures/fake-acp-agent.ts | 35 ++++++ .../acp-snapshot/tests/harness.spec.ts | 49 ++++++++ packages/ui/acp/README.md | 10 +- packages/ui/acp/acp-feature-support.md | 29 +++-- packages/ui/acp/package.json | 4 + packages/ui/acp/src/index.ts | 41 ++++++- packages/ui/acp/tests/approval.spec.ts | 108 ++++++++++++++++++ packages/ui/acp/tsconfig.json | 6 + pnpm-lock.yaml | 9 ++ scripts/gen-doc-graphs.ts | 2 +- 18 files changed, 302 insertions(+), 30 deletions(-) create mode 100644 packages/ui/acp/tests/approval.spec.ts diff --git a/docs/capability-seams.md b/docs/capability-seams.md index c71c74003e..abddc73ed2 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -73,6 +73,7 @@ flowchart LR svc_workflows["ctx.workflows
Workflow script engine"] pkg_workflow_workerthread["workflow-workerthread"] pkg_tool_workflow["tool-workflow"] + pkg_acp --> svc_approval pkg_acp --> svc_userInteraction pkg_agent --> svc_agents pkg_agent_loop --> svc_agentLoop @@ -164,7 +165,7 @@ flowchart LR | `ctx.agents` | `core` | [`agent`](../packages/core/agent) | - | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`stdio-agent`](../packages/ui/stdio-agent), [`invariants`](../packages/support/invariants) | - | Owns live Agent handles and the create/resume factory seam. | | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | | `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local. | -| `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | - | [`tools`](../packages/core/tools) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | +| `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | | `ctx.codeRuntime` | `seam` | [`code-runtime`](../packages/code-runtime/code-runtime) | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | [`tools`](../packages/core/tools) | - | Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode). | | `ctx.fs` | `seam` | [`fs`](../packages/fs/fs) | [`fs-local`](../packages/fs/fs-local) | [`tool-fs`](../packages/fs/tool-fs) | [`fs-policy`](../packages/fs/fs-policy) | tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate. | | `ctx.compact` | `seam` | [`compact`](../packages/compact/compact) | [`compact-basic`](../packages/compact/compact-basic) | [`compact-basic`](../packages/compact/compact-basic) | - | The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred. | diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 7866a123f2..ed175f250b 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -31,7 +31,7 @@ export interface AcpConfig { Depends on: `Stream` (`@agentclientprotocol/sdk`) -Source: [`packages/ui/acp/src/index.ts:236`](../packages/ui/acp/src/index.ts) +Source: [`packages/ui/acp/src/index.ts:241`](../packages/ui/acp/src/index.ts) ## `@deepseek-ai/dsh-acp-agent` diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index 5b50b30cc2..57b1f108ca 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -19,7 +19,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/status` | `emit` | [`packages/core/agent/src/types.ts:281`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:451`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | | `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:464`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:52`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | - | +| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:52`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | [`acp`](../packages/ui/acp) | | `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:123`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:138`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:109`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | diff --git a/docs/module-graph.md b/docs/module-graph.md index 6237fac953..2bcd15c967 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -196,6 +196,7 @@ flowchart TD pkg_hooks_codex --> pkg_session pkg_hooks_codex --> pkg_tools pkg_acp --> pkg_agent + pkg_acp --> pkg_approval pkg_acp --> pkg_llm pkg_acp --> pkg_session pkg_acp --> pkg_session_persistence @@ -315,7 +316,7 @@ flowchart TD | [`tool-todo`](../packages/todo/tool-todo) | `todo` | [`agent`](../packages/core/agent), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | | [`tool-cordis`](../packages/cordis/tool-cordis) | `cordis` | [`tools`](../packages/core/tools) | | [`hooks-codex`](../packages/hooks/hooks-codex) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | -| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | +| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | | [`tool-ask-user`](../packages/ui/tool-ask-user) | `ui` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | | [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | `guard` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools) | | [`tool-workflow`](../packages/workflow/tool-workflow) | `workflow` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`workflow`](../packages/workflow/workflow) | diff --git a/examples/acp-agent/README.md b/examples/acp-agent/README.md index 5b3c936651..c78943284d 100644 --- a/examples/acp-agent/README.md +++ b/examples/acp-agent/README.md @@ -37,4 +37,4 @@ This example is the home of the harness's **snapshot tests** — they boot this ## MVP limitations -The bridge supports N concurrent sessions per connection, each in its own workspace `cwd` (RFC 011). Remaining limits: prompts support ACP's baseline `text` and `resource_link` blocks only, `additionalDirectories` and `mcpServers` are rejected, and the tool-permission gate is deferred (`TODO(rfc010-permission-gate)` — tools run with the executor's full authority). See `packages/ui/acp/README.md` for the full contract. +The bridge supports N concurrent sessions per connection, each in its own workspace `cwd` (RFC 011). Remaining limits: prompts support ACP's baseline `text` and `resource_link` blocks only, and `additionalDirectories` and `mcpServers` are rejected. Permission prompts (`session/request_permission`) are wired through the approval seam, but this example composes no ask-producing policy, so tools run with the executor's full authority. See `packages/ui/acp/README.md` for the full contract. diff --git a/examples/acp-agent/tests/acp.e2e.ts b/examples/acp-agent/tests/acp.e2e.ts index 714791fa3e..f1572991ee 100644 --- a/examples/acp-agent/tests/acp.e2e.ts +++ b/examples/acp-agent/tests/acp.e2e.ts @@ -80,8 +80,9 @@ function spawnAcpAgent(cwd: string, env: NodeJS.ProcessEnv = process.env): Spawn return Promise.resolve() }, requestPermission(_params: RequestPermissionRequest): Promise { - // Permission gate is deferred (TODO(rfc010-permission-gate)); the bridge - // never requests permission yet, so just allow if it ever does. + // This example composes no ask-producing policy (no hooks), so the + // bridge never prompts here; answer cancelled (fail closed) if it ever + // does — an unexpected prompt must not grant anything. return Promise.resolve({ outcome: { outcome: 'cancelled' } }) }, }) diff --git a/packages/support/acp-snapshot/README.md b/packages/support/acp-snapshot/README.md index 209b1a81cb..ff1738f462 100644 --- a/packages/support/acp-snapshot/README.md +++ b/packages/support/acp-snapshot/README.md @@ -35,4 +35,4 @@ A scenario booting a differently-composed tree sets its own `configPath` (an ove The example also ships a `cordis.snapshot.yml` replay overlay next to its `cordis.yml` (the bin swaps them under `DSH_SNAPSHOT=replay` — [single-source replay config RFC](../../../docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md)); replay fixtures are served by [`dsh-llm-replay`](../llm-replay/README.md), which this package points at via the `DSH_SNAPSHOT_*` env vars it sets on the child. Fixture roles, record/replay semantics, and scenario-table fields are documented on `Scenario` and in the [snapshot RFC](../../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md). -Constraints: `suite.ts` imports vitest, so the package is importable only inside a vitest run (the harness and normalizers have no such dependency but ship from the same entry). ACP-specific by design — the harness speaks the SDK's `ClientSideConnection`. Permission round-trips are scriptable: `InputScript.permissionAnswers` is a FIFO queue of option-kind selections (`allow_once`, `reject_once`, …) the client maps to the agent-issued `optionId` at answer time; an absent or exhausted queue answers `cancelled`, and a kind the request never offered rejects the run (the agent is answered `cancelled`, so a tolerant agent cannot absorb the scenario bug). +Constraints: `suite.ts` imports vitest, so the package is importable only inside a vitest run (the harness and normalizers have no such dependency but ship from the same entry). ACP-specific by design — the harness speaks the SDK's `ClientSideConnection`. Permission round-trips are scriptable: `InputScript.permissionAnswers` is a FIFO queue of option-kind selections (`allow_once`, `reject_once`, …) the client maps to the agent-issued `optionId` at answer time; an absent or exhausted queue answers `cancelled`, and a kind the request never offered rejects the run (the agent is answered `cancelled`, so a tolerant agent cannot absorb the scenario bug). Session config options are scriptable too: the `setConfigOption` step switches a knob over `session/set_config_option`, and `setConfigOptionExpectError` asserts the bridge rejects an unknown id or out-of-vocabulary value (the error frame stays in the transcript). diff --git a/packages/support/acp-snapshot/src/harness.ts b/packages/support/acp-snapshot/src/harness.ts index c0f5788fca..bd197b298b 100644 --- a/packages/support/acp-snapshot/src/harness.ts +++ b/packages/support/acp-snapshot/src/harness.ts @@ -85,6 +85,8 @@ export type InputStep = | { op: 'promptExpectError'; text: string } | { op: 'promptAndCancel'; text: string } | { op: 'cancel' } + | { op: 'setConfigOption'; configId: string; value: string } + | { op: 'setConfigOptionExpectError'; configId: string; value: string } /** A scenario's `input.json`: an ordered list of input steps. */ export interface InputScript { @@ -406,6 +408,24 @@ async function runStep( await client.cancel({ sessionId }) return } + case 'setConfigOption': { + const sessionId = getSessionId() + if (sessionId === undefined) throw new Error('snapshot-harness: setConfigOption before newSession') + await client.setSessionConfigOption({ sessionId, configId: step.configId, value: step.value }) + return + } + case 'setConfigOptionExpectError': { + const sessionId = getSessionId() + if (sessionId === undefined) throw new Error('snapshot-harness: setConfigOptionExpectError before newSession') + // The bridge rejects an unknown id / out-of-vocabulary value; the SDK + // surfaces that as a rejected RPC — swallow it so the run completes and + // the error frame is captured in the transcript. + await client.setSessionConfigOption({ sessionId, configId: step.configId, value: step.value }).then( + () => { throw new Error('snapshot-harness: expected set_config_option to be rejected but it succeeded') }, + () => { /* expected: the bridge rejected the id or value */ }, + ) + return + } default: throw new Error(`snapshot-harness: unknown input op ${JSON.stringify(step)}`) } diff --git a/packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts b/packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts index cf41412046..861c9d2b04 100644 --- a/packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts +++ b/packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts @@ -58,6 +58,13 @@ interface Behavior { strayBucketFile?: boolean /** Delete the sessions root entirely (harvest must yield no logs). */ deleteSessionsRoot?: boolean + /** + * Vocabulary for `session/set_config_option`: allowed values per config id. + * A set naming an unknown id or an out-of-vocabulary value rejects (the + * real bridge's rule); a valid set answers with the complete refreshed + * option state, `currentValue` updated. Absent: every set rejects. + */ + configOptions?: Record } const sessionsRoot = process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? '' @@ -81,6 +88,8 @@ let sessionCwd = '' let parkedPromptId: number | string | null = null /** Resolvers for permission-probe responses, keyed by outbound request id. */ const pendingPermission = new Map void>() +/** Per-run `session/set_config_option` state: config id → current value (first vocabulary entry until set). */ +const currentConfig: Record = {} function send(frame: Record): void { process.stdout.write(`${JSON.stringify({ jsonrpc: '2.0', ...frame })}\n`) @@ -195,6 +204,32 @@ function handleFrame(frame: Record): void { case 'session/prompt': void handlePrompt(id as number | string) return + case 'session/set_config_option': { + const vocabulary = behavior.configOptions + const configId = params.configId as string + const value = params.value as string + const values = vocabulary?.[configId] + if (values === undefined) { + respondError(id as number | string, `unknown config option ${configId}`) + return + } + if (!values.includes(value)) { + respondError(id as number | string, `unknown ${configId} value ${value}`) + return + } + currentConfig[configId] = value + // The real bridge's contract: every set answers with the COMPLETE + // refreshed option state, not just the changed entry. + respond(id as number | string, { + configOptions: Object.entries(vocabulary as Record).map(([cid, vs]) => ({ + id: cid, + type: 'select', + currentValue: currentConfig[cid] ?? vs[0], + options: vs.map(v => ({ value: v, name: v })), + })), + }) + return + } case 'session/cancel': if (parkedPromptId !== null) { const parked = parkedPromptId diff --git a/packages/support/acp-snapshot/tests/harness.spec.ts b/packages/support/acp-snapshot/tests/harness.spec.ts index 683d2aaf80..b0817a8d04 100644 --- a/packages/support/acp-snapshot/tests/harness.spec.ts +++ b/packages/support/acp-snapshot/tests/harness.spec.ts @@ -168,6 +168,8 @@ describe('runScenario', () => { [{ op: 'promptExpectError', text: 'x' }, /promptExpectError before newSession/], [{ op: 'promptAndCancel', text: 'x' }, /promptAndCancel before newSession/], [{ op: 'cancel' }, /cancel before newSession/], + [{ op: 'setConfigOption', configId: 'sandbox-mode', value: 'read-only' }, /setConfigOption before newSession/], + [{ op: 'setConfigOptionExpectError', configId: 'sandbox-mode', value: 'yolo' }, /setConfigOptionExpectError before newSession/], ] as [InputStep, RegExp][])('rejects %j before newSession', { timeout: 20_000 }, async (step, message) => { const { fixtureFile } = await scenario({}) await expect(runScenario( @@ -176,6 +178,53 @@ describe('runScenario', () => { )).rejects.toThrow(message) }) + it('setConfigOption switches a value and receives the complete refreshed option state', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ + configOptions: { 'sandbox-mode': ['read-only', 'workspace-write'], 'approval-policy': ['ask', 'never'] }, + }) + const result = await runScenario( + { + steps: [...boot, + { op: 'setConfigOption', configId: 'sandbox-mode', value: 'workspace-write' }, + { op: 'setConfigOption', configId: 'approval-policy', value: 'never' }], + }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + // Every set answers with the FULL state: the second response carries the + // first switch's value too — the complete-refreshed-state contract. + const frames = result.rawStdout.trim().split('\n').map(line => JSON.parse(line) as { result?: { configOptions?: { id: string; currentValue: string }[] } }) + const states = frames + .map(f => f.result?.configOptions) + .filter(options => options !== undefined) + .map(options => Object.fromEntries((options as { id: string; currentValue: string }[]).map(o => [o.id, o.currentValue]))) + expect(states).toEqual([ + { 'sandbox-mode': 'workspace-write', 'approval-policy': 'ask' }, + { 'sandbox-mode': 'workspace-write', 'approval-policy': 'never' }, + ]) + }) + + it('setConfigOptionExpectError swallows the rejection for unknown ids and out-of-vocabulary values', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ configOptions: { 'sandbox-mode': ['read-only'] } }) + const result = await runScenario( + { + steps: [...boot, + { op: 'setConfigOptionExpectError', configId: 'sandbox-mode', value: 'yolo' }, + { op: 'setConfigOptionExpectError', configId: 'reasoning-effort', value: 'max' }], + }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.rawStdout).toContain('unknown sandbox-mode value yolo') + expect(result.rawStdout).toContain('unknown config option reasoning-effort') + }) + + it('setConfigOptionExpectError throws when the set unexpectedly succeeds', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ configOptions: { 'sandbox-mode': ['read-only'] } }) + await expect(runScenario( + { steps: [...boot, { op: 'setConfigOptionExpectError', configId: 'sandbox-mode', value: 'read-only' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + )).rejects.toThrow(/expected set_config_option to be rejected/) + }) + it('rejects an unknown input op', { timeout: 20_000 }, async () => { const { fixtureFile } = await scenario({}) const bogus = { op: 'reticulate' } as unknown as InputStep diff --git a/packages/ui/acp/README.md b/packages/ui/acp/README.md index 49abfbff6a..0820db0cb5 100644 --- a/packages/ui/acp/README.md +++ b/packages/ui/acp/README.md @@ -31,12 +31,11 @@ The `initialize` handshake reports a fixed server identity (`agentInfo: { name: | `session/cancel` | `agent.cancel()` | the queue-aware cancel: aborts a running step, clears queued + steering work, and drops a turn about to start, then settles the prompt `cancelled` — for ONLY that session (a cancel never touches another session's stream or prompt) | | `session/update` | `session/event` | `agent_message_chunk` (text-delta), `agent_thought_chunk` (reasoning-delta), `user_message_chunk` (load replay), `tool_call`/`tool_call_update` (the render intent — a `card`-tagged `ToolCallView`/`ToolResultView` — owned by the TOOL via `presentCall`/`presentResult`, which the bridge switches on to build the wire shape — see Tool-call presentation) | | `elicitation/create` | `ctx.userInteraction.ask()` | maps `ask_user_question` questions to ACP form elicitations; option descriptions are shown in enum titles, `multi_select` uses ACP array enums, optionless requests use a required `custom` field, and a non-empty custom answer overrides any selected choice | +| `session/request_permission` | `approval/request` listener | the bridge is the [`ctx.approval`](../../approval/approval/README.md) answerer for the agents it owns: an `ask` (a hook or `tools/pre-execute` plugin) becomes an editor prompt attached to the streamed tool call, offering one-shot `allow_once`/`reject_once` options only; a foreign or call-less request delegates down the answerer chain (fail-closed `unavailable` default). See "Permission prompts" | ## Multi-session -The bridge multiplexes N sessions over one connection. Live sessions are held in a `Map` (forward) with a `WeakMap` reverse map so `agent/*` events — which carry only the `Agent` — demux in O(1). Every `session/event` and `agent/status` is routed strictly to its owning record, so concurrent sessions never cross-settle or interleave their `session/update` notifications. State is per session: one in-flight prompt each, `session/cancel` aborts and settles only its own agent/prompt, and disposal drains every live session in parallel to quiescence. (Per-session *permission* ownership is reserved for the deferred permission gate — `TODO(rfc010-permission-gate)`.) - -Background-task isolation rides on `dsh-tool-bash`: bash task ids are global and predictable, so each task carries an opaque owner token — the owning agent's `session.header.id` — stored on the task inside the executor (`dsh-bash`'s `ownerOf(id)` seam). `bash_output`/`bash_kill` reject a task whose token differs from the caller's session token, so one session's agent can't read or kill another's task. Ownership is by session TOKEN, not `Agent` object identity — a different `Agent` object on the same session may access the task — and because the token lives on the executor's task it survives a `tool-bash` HMR reload. +The bridge multiplexes N sessions over one connection. Live sessions are held in a `Map` (forward) with a `WeakMap` reverse map so `agent/*` events — which carry only the `Agent` — demux in O(1). Every `session/event` and `agent/status` is routed strictly to its owning record, so concurrent sessions never cross-settle or interleave their `session/update` notifications. State is per session: one in-flight prompt each, `session/cancel` aborts and settles only its own agent/prompt, and disposal drains every live session in parallel to quiescence. Permission prompts follow the same ownership: the `approval/request` answerer resolves the owning session through the reverse map and prompts only there. ## Per-session cwd @@ -67,13 +66,16 @@ When the client does NOT advertise the capability, none of the `_meta`/terminal A `session/prompt` resolves (or rejects) exactly once, keyed off the canonical session log (the `session/event` stream). One listener captures the prompt's owning turn from the log's `turn/start` and settles on the matching `turn/end` — the durable boundary event (`closeTurn` appends it unconditionally; there is no `agent/*` turn mirror). A prompt settles only on ITS OWN turn (`inflight.turn === turn/end.turn`), so a stale `turn/end` for a previously-cancelled turn whose end arrives late can never settle the wrong prompt. A turn that ends `error` REJECTS the RPC with an internal error carrying the failure message (ACP has no error stop reason); every other reason resolves via the codec. As a fallback, when the agent settles to `idle`/`disposed` with a prompt still pending — e.g. a peer `session/event` listener registered before the bridge threw and starved the bridge's listener — an `agent/status` handler reconciles the prompt from the log (the owning turn's `turn/end`, or `cancelled` if the turn was torn down without one). An empty/whitespace prompt is rejected up front — it would queue no work, so no turn would start and the RPC would hang. +## Permission prompts + +The bridge registers an `approval/request` waterfall listener — the ACP answerer of the [approval seam](../../approval/approval/README.md). When `ctx.approval` routes an `ask` for an agent the bridge owns, the listener resolves the owning session through the reverse map and issues `session/request_permission` with the request's `callId` as the `toolCall` reference (the editor attaches the prompt to the already-streamed call) and the one-shot options `allow_once`/`reject_once` (`allow_always` is deferred to the approval RFC's grant-storage question). Outcomes map `allow-once → allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled → cancelled`. A request for an agent the bridge does NOT own — or one without a `callId` to attach to — delegates via `next()` so another answerer or the seam's fail-closed `unavailable` default takes it. A rejected `requestPermission` RPC (client gone mid-prompt) propagates to the ApprovalService, which contains it as `unavailable`. Whether a call asks at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment; without such policy, tools keep the executor's full authority. + ## Disposal & disconnect Teardown reaches quiescence: for EVERY live session settle any pending prompt as `cancelled`, then run that session's [`AgentHandle`](../../core/agent/README.md) `dispose()` — which stops the loop (sets `disposed` + aborts the in-flight step), `await`s the loop's exit (the final `turn/end` + `session/flush` are captured while the session is still attached), unregisters the agent, and removes its session from the store. A turn cut off mid-flight by teardown ends with reason `disposed` (not `aborted` — `dispose()` uses the disposed path, not `session/cancel`'s queue-aware `cancel()`). The per-session disposes run in parallel. The same teardown runs on a **client disconnect** (`conn.closed` resolves when the editor quits / the transport EOFs), so a vanished client never leaves an orphaned running — or idled-but-still-registered — agent whose `session/update` writes are silently swallowed. The two paths are idempotent and memoized (the first clears the `sessions` map; a second caller awaits the same teardown promise). ## Known limitations (tracked TODOs) -- **`TODO(rfc010-permission-gate)`** — the `tools/pre-execute` permission gate (`session/request_permission`) is NOT implemented; tools run with the executor's full authority. The `agent→sessionId` reverse map is in place so the gate can route a permission request (which receives only `exec.agent`) back to its originating session. [ACP support](../../../docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md) and [ACP multi-session](../../../docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md) stay `proposed` until the gate (and per-session permission ownership) land. - **`additionalDirectories`** — rejected. A session operates in its single `cwd` (see Per-session cwd); widening the tool/filesystem scope to extra roots is a separate sandbox concern, not yet implemented. ## stdout is the protocol diff --git a/packages/ui/acp/acp-feature-support.md b/packages/ui/acp/acp-feature-support.md index 6162fae137..ff27c3f2d5 100644 --- a/packages/ui/acp/acp-feature-support.md +++ b/packages/ui/acp/acp-feature-support.md @@ -10,7 +10,7 @@ Legend: ✅ supported · ⚠️ partial / fallback · ❌ not yet · — n/a. Th ## At a glance -The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), and resumable session replay. The largest **unbuilt** areas are the **permission gate** (`session/request_permission`), **MCP passthrough**, **session modes / config options / model selection**, **slash commands**, and **agent plans** — all of which both reference adapters ship — plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). +The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), and resumable session replay. The largest **unbuilt** areas are **MCP passthrough**, **session modes / config options / model selection**, **slash commands**, and **agent plans** — all of which both reference adapters ship — plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). ## 1. Agent methods (client → agent) @@ -25,8 +25,8 @@ The bridge implements the **core prompt-turn loop** for N concurrent sessions: i | `session/close` | S | ❌ | ✅ | ✅ | No `session/close` handler — the SDK dispatch returns `method_not_found`. The bridge tears sessions down on client disconnect / Cordis disposal (cross-cutting, see [§8](#8-cross-cutting)), but that is not the on-demand per-session method. | | `session/prompt` | S | ✅ | ✅ | ✅ | Maps to `agent.send`; one in-flight prompt per session; settles on the owning turn's end. | | `session/cancel` | S | ✅ | ✅ | ✅ | Queue-aware `agent.cancel`; settles the in-flight prompt `cancelled`, scoped to the one session. | -| `session/set_mode` | S | ❌ | ✅ | ✅ | Session modes not modeled (see [§6 Modes](#6-session-modes--config-options--models)). | -| `session/set_config_option` | S | ❌ | ✅ | ✅ | Config options not modeled. | +| `session/set_mode` | S | ❌ | ✅ | ✅ | Session modes deliberately skipped: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry the two orthogonal knobs (see [§6](#6-session-modes--config-options--models)). | +| `session/set_config_option` | S | ❌ | ✅ | ✅ | Config options not modeled yet — the sandbox RFC's per-session mode switching stages them ([sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). | | model selection | S | ❌ | ✅ | ✅ | No distinct stable `session/set_model` — model is the `model`-category `session/set_config_option`. The bridge fixes the model per-bridge via config; no runtime switch. Codex still uses the legacy `unstable_setSessionModel` ext method. | | `session/list` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.list`. The harness HAS `sessionPersistence.list()` (used internally for load-cwd validation) but does not expose it over ACP. | | `session/delete` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.delete`. | @@ -39,7 +39,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | Method | Stable | Bridge | Claude | Codex | Notes | |---|---|---|---|---|---| | `session/update` | S | ✅ | ✅ | ✅ | The bridge's primary output channel (see [§4](#4-sessionupdate-variants)). | -| `session/request_permission` | S | ❌ | ✅ | ✅ | **The biggest gap.** Tools run with the executor's full authority; no user authorization round-trip. The `agent→sessionId` reverse map is already in place to route a future permission request. Tracked `TODO(rfc010-permission-gate)`. | +| `session/request_permission` | S | ✅ | ✅ | ✅ | The bridge answers the [`ctx.approval`](../../approval/approval/README.md) seam for the agents it owns: an `ask` from a hook/plugin becomes an editor prompt attached to the streamed tool call, one-shot `allow_once`/`reject_once` options only. Whether a call asks is policy (nothing asks by default); `allow_always` is deferred (grant storage). | | `fs/read_text_file` | S | ❌ | ✅ | ❌ | The harness reads files directly (it does not see the editor's unsaved buffer state). Claude delegates; Codex does not. | | `fs/write_text_file` | S | ❌ | ✅ | ❌ | Same — direct writes, no editor delegation. | | `terminal/create` | S | ❌ | ❌ | ❌ | Neither reference adapter drives the client terminal API either — both, like the bridge, render shell output as tool-call content + a `_meta` channel (see [§5 Terminal](#terminal-rendering)). | @@ -86,7 +86,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | `plan` | S | ❌ | ✅ | ✅ | No agent plan emitted. Both adapters emit real plan entries (Codex's `CodexEventHandler.updatePlan` maps `turn/plan/updated` → `{ sessionUpdate: 'plan', entries }`). | | `available_commands_update` | S | ❌ | ✅ | ✅ | No slash commands advertised. | | `current_mode_update` | S | ❌ | ✅ | ✅ | No session modes. | -| `config_option_update` | S | ❌ | ✅ | ✅ | No config options. | +| `config_option_update` | S | ❌ | ✅ | ✅ | No config options yet. | | `usage_update` | S | ❌ | ✅ | ✅ | Token/cost reporting not surfaced (the harness records token usage internally on `assistant/message`). | | `session_info_update` | S | ❌ | ⚠️ | ⚠️ | Session title/metadata not pushed. | @@ -111,7 +111,7 @@ Tool-call presentation is **owned by each tool** (`presentCall` / `presentResult ## 6. Session modes / config options / models -❌ None modeled. Both reference adapters ship modes (Claude: a "plan" auto-mode; Codex: read-only / agent / agent-full-access mapping to its approval+sandbox policy), the newer config-option surface, and runtime model selection. The harness fixes the model per-bridge via `AcpConfig.model`. These are coupled to the unbuilt **permission gate** (a mode often selects an approval policy), so they are natural follow-ups to it. +Session modes and config options are not modeled yet: the sandbox RFC's per-session mode switching ([sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)) stages config options as the surface (modes are slated for removal in ACP v2, and one mode list cannot carry two orthogonal knobs). Runtime model selection is also not modeled — the harness fixes the model per-bridge via `AcpConfig.model` (both reference adapters ship a model selector). ## 7. Content blocks @@ -140,15 +140,14 @@ The bridge rejects unsupported prompt blocks rather than silently dropping them Ranked by how commonly the reference adapters ship them and how much UX they unlock: -1. **Permission gate** — `session/request_permission` + permission options. Tracked `TODO(rfc010-permission-gate)`; the reverse map is already wired and shared with `ask_user_question` routing. Foundational, and a prerequisite for modes. -2. **Session lifecycle** — `session/list` + `session/delete` (the persistence layer already lists), then `session/resume` / `session/close`. -3. **Modes / config options / model selection** — coupled to the permission gate. -4. **Agent plan** (`sessionUpdate: 'plan'`) — surface the loop's plan as structured entries. -5. **Slash commands** (`available_commands_update`). -6. **MCP passthrough** (`mcpServers` on `session/new` + `mcpCapabilities`). -7. **Richer prompt content** — image / embedded `resource` blocks (needs a multimodal model path). -9. **Usage reporting** (`usage_update`) — the harness already records token usage internally (on `assistant/message`). -10. **Editor filesystem delegation** (`fs/read_text_file` / `fs/write_text_file`) — lets the agent see unsaved buffers; lower priority since the harness has direct disk access. +1. **Session lifecycle** — `session/list` + `session/delete` (the persistence layer already lists), then `session/resume` / `session/close`. +2. **Modes / config options / model selection** — the permission round-trip landed with the approval seam; the config surface (`sandbox-mode`/`approval-policy` options) is the sandbox RFC's staged config phase. +3. **Agent plan** (`sessionUpdate: 'plan'`) — surface the loop's plan as structured entries. +4. **Slash commands** (`available_commands_update`). +5. **MCP passthrough** (`mcpServers` on `session/new` + `mcpCapabilities`). +6. **Richer prompt content** — image / embedded `resource` blocks (needs a multimodal model path). +7. **Usage reporting** (`usage_update`) — the harness already records token usage internally (on `assistant/message`). +8. **Editor filesystem delegation** (`fs/read_text_file` / `fs/write_text_file`) — lets the agent see unsaved buffers; lower priority since the harness has direct disk access. ## Out of scope diff --git a/packages/ui/acp/package.json b/packages/ui/acp/package.json index 4ebc8485ce..8c9f731363 100644 --- a/packages/ui/acp/package.json +++ b/packages/ui/acp/package.json @@ -28,6 +28,7 @@ }, "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-approval": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-session-persistence": "^0.0.1", @@ -38,9 +39,12 @@ "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-approval": "workspace:^", + "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", "@deepseek-ai/dsh-fs-local": "workspace:^", "@deepseek-ai/dsh-fs-policy": "workspace:^", + "@deepseek-ai/dsh-invariants": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-session-persistence": "workspace:^", diff --git a/packages/ui/acp/src/index.ts b/packages/ui/acp/src/index.ts index 928ab7da77..5959f0f9c4 100644 --- a/packages/ui/acp/src/index.ts +++ b/packages/ui/acp/src/index.ts @@ -22,8 +22,10 @@ * `agent→sessionId` reverse map for O(1) demux of `agent/*` events; every * `session/event` and `agent/*` event is routed strictly to its owning session * record, so two sessions streaming at once never interleave their - * `session/update` notifications. The `tools/pre-execute` permission gate is - * deferred — see the TODO(rfc010-permission-gate) note below. + * `session/update` notifications. Permission prompts ride the same ownership + * map: the bridge answers `approval/request` for its own agents over + * `session/request_permission` (see the approval answerer below) — whether a + * call ASKS is policy (a hook or plugin returning `ask`), not the bridge's. * * stdout is the protocol: this plugin must run in an example that loads NO * stdout logger (the console logger writes to stdout and would corrupt the @@ -74,6 +76,9 @@ import type { ToolCallView, ToolRegistry, ToolResultView, TerminalResultView } f // Side-effect type import: declaration-merges `ctx.sessionPersistence` onto // Context (the bridge injects it and reads `list()` for load cwd validation). import type {} from '@deepseek-ai/dsh-session-persistence' +// Side-effect type import: declaration-merges the `approval/request` waterfall +// the bridge answers for its own agents (see the approval answerer below). +import type {} from '@deepseek-ai/dsh-approval' import { UserInteractionError, type AskUserQuestionAnswer, @@ -555,6 +560,37 @@ export function apply(ctx: Context, config: AcpConfig): void { if (status === 'idle' || status === 'disposed') settleFromLog(rec) }) + // --- Approval answerer ----------------------------------------------------- + // The bridge is the approval channel for the agents it owns: an `ask` routed + // through `ctx.approval` (dsh-tools today, sandbox escalation later) becomes + // an editor permission prompt attached to the already-streamed tool call. The + // listener occupies the single decision slot ONLY for its own agents — a + // foreign or call-less request delegates via next() so another answerer (or + // the fail-closed `unavailable` default) takes the question. A rejected + // `requestPermission` (client gone, bridge torn down) propagates and the + // ApprovalService contains it as `unavailable`. Options are one-shot only: + // allow_always is a grant-storage design the approval RFC defers, so the + // prompt never offers a durable grant the harness could not honor. + ctx.on('approval/request', (req, next) => { + const sessionId = bySession.get(req.agent) + // The protocol requires `toolCall` (the prompt renders attached to it), so + // a request without a callId has nothing to attach to — delegate. + if (sessionId === undefined || req.callId === undefined) return next() + return conn.requestPermission({ + sessionId, + toolCall: { toolCallId: req.callId }, + options: [ + { optionId: 'allow-once', name: 'Allow once', kind: 'allow_once' }, + { optionId: 'reject-once', name: 'Reject', kind: 'reject_once' }, + ], + }).then(({ outcome }) => { + if (outcome.outcome === 'cancelled') return 'cancelled' + // Only the two advertised options exist; an unknown optionId from a + // non-conforming client counts as a rejection, never a grant. + return outcome.optionId === 'allow-once' ? 'allowed-once' : 'rejected' + }) + }) + // --- The ACP Agent method surface ----------------------------------------- const makeAgent = (connection: AgentSideConnection): AcpAgent => { @@ -765,6 +801,7 @@ export function apply(ctx: Context, config: AcpConfig): void { settlePrompt(rec, 'cancelled') return Promise.resolve() }, + } } diff --git a/packages/ui/acp/tests/approval.spec.ts b/packages/ui/acp/tests/approval.spec.ts new file mode 100644 index 0000000000..84b816067c --- /dev/null +++ b/packages/ui/acp/tests/approval.spec.ts @@ -0,0 +1,108 @@ +import { afterEach, beforeEach, describe, expect, it } from 'vitest' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' +import { CallId } from '@deepseek-ai/dsh-llm' +import { AgentId, type Agent } from '@deepseek-ai/dsh-agent' +import ApprovalService, { type ApprovalRequest } from '@deepseek-ai/dsh-approval' +import { makeBridgeHarness, type BridgeHarness } from './harness.ts' + +/** + * The bridge's `approval/request` answerer: an ask for an agent the bridge + * owns becomes a `session/request_permission` prompt attached to the tool + * call; foreign or call-less requests delegate down to the fail-closed + * default. Driven through `ctx.approval` — the same path dsh-tools' ask + * routing takes — against the harness's scriptable client. + */ +describe('acp bridge — approval answerer', () => { + let storageDir: string + let harness: BridgeHarness | undefined + + beforeEach(async () => { storageDir = await mkdtemp(join(tmpdir(), 'acp-approval-')) }) + afterEach(async () => { + await harness?.dispose() + harness = undefined + await rm(storageDir, { recursive: true, force: true }) + }) + + async function ownedAgentRequest( + h: BridgeHarness, overrides: Partial = {}, + ): Promise<{ agent: Agent; request: ApprovalRequest }> { + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const agent = h.ctx.agents.get(AgentId(sessionId)) + if (agent === undefined) throw new Error('newSession created no agent') + // In production an ask always fires mid-turn (tool execution); open one so + // request()'s turn-enclosure precondition holds for the direct drive below. + agent.session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + return { agent, request: { agent, toolName: 'echo', callId: CallId('call-9'), ...overrides } } + } + + it('prompts the editor for an owned agent and maps allow-once → allowed-once', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-once' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('allowed-once') + + expect(harness.permissionRequests).toHaveLength(1) + const wire = harness.permissionRequests[0] + expect(wire?.toolCall).toEqual({ toolCallId: 'call-9' }) + expect(wire?.options.map(o => ({ optionId: o.optionId, kind: o.kind }))).toEqual([ + { optionId: 'allow-once', kind: 'allow_once' }, + { optionId: 'reject-once', kind: 'reject_once' }, + ]) + }) + + it('maps reject-once → rejected', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'reject-once' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('rejected') + }) + + it('maps a client cancellation → cancelled', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'cancelled' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('cancelled') + }) + + it('treats an unknown optionId from a non-conforming client as a rejection, never a grant', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-always-i-insist' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('rejected') + }) + + it('delegates a foreign agent down to the fail-closed default', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-once' } }) + + // Not created through the bridge: no bySession entry, so the answerer must + // call next() — nobody else answers, so the seam fails closed. + const foreign = { session: { events: [{ type: 'turn/start' }], append: () => ({}) } } as unknown as Agent + await expect(harness.ctx.approval.request({ agent: foreign, toolName: 'echo', callId: CallId('c') })) + .resolves.toBe('unavailable') + expect(harness.permissionRequests).toHaveLength(0) + }) + + it('delegates a call-less request — the protocol prompt must attach to a tool call', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-once' } }) + + const { agent } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request({ agent, toolName: 'echo' })).resolves.toBe('unavailable') + expect(harness.permissionRequests).toHaveLength(0) + }) +}) diff --git a/packages/ui/acp/tsconfig.json b/packages/ui/acp/tsconfig.json index 9c2358c455..7c80e7459c 100644 --- a/packages/ui/acp/tsconfig.json +++ b/packages/ui/acp/tsconfig.json @@ -34,6 +34,12 @@ }, { "path": "../../session-persistence/session-persistence" + }, + { + "path": "../../approval/approval" + }, + { + "path": "../../bash/bash" } ] } diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 4b6542bbe0..bef41d9bdf 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -985,6 +985,12 @@ importers: '@deepseek-ai/dsh-agent-loop': specifier: workspace:^ version: link:../../core/agent-loop + '@deepseek-ai/dsh-approval': + specifier: workspace:^ + version: link:../../approval/approval + '@deepseek-ai/dsh-bash': + specifier: workspace:^ + version: link:../../bash/bash '@deepseek-ai/dsh-bash-local': specifier: workspace:^ version: link:../../bash/bash-local @@ -994,6 +1000,9 @@ importers: '@deepseek-ai/dsh-fs-policy': specifier: workspace:^ version: link:../../fs/fs-policy + '@deepseek-ai/dsh-invariants': + specifier: workspace:^ + version: link:../../support/invariants '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index 5061b12ddb..be6d8b7121 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -164,7 +164,7 @@ const SERVICE_ROLES: ServiceRole[] = [ pkg: 'approval', title: 'Approval seam', mode: 'seam', - implementations: [], + implementations: ['acp'], consumers: ['tools'], note: 'One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`.', }, From 7b8c3a9b40b5e259484a627ee22284f8f710b7a1 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 15:42:37 +0800 Subject: [PATCH 72/90] feat(sandbox): the confinement seam and the per-platform native runner chains MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ctx.sandbox (dsh-sandbox): confine(argv, policy) returns the argv to spawn instead — wrapped so the process and its children run confined — plus the enforcement completeness and the backend denial/runner-failure dialects; no usable backend throws the fail-closed SANDBOX_UNAVAILABLE. Policy rides per call. dsh-sandbox-local selects by platform and caches the verdict: multi-candidate chains probe FUNCTIONALLY in preference order (Linux: bwrap → the registry-installed node-addon-landlock-run launcher), a sole candidate is selected unprobed (darwin: sandbox-exec/Seatbelt) and fails closed at execution via runnerFailureSignatures; win32 is a reserved empty chain. Profile parity is honest per backend (documented temp-area and ABI differences; enforcement full|partial is a structured result fact). CI: the sandbox-e2e matrix proves real-kernel confinement per rung (bwrap, Landlock per architecture through the registry-installed launcher, Seatbelt), failing on a silent all-skip; the packed-install rehearsal installs the launcher family from the registry and asserts the binary executable apart from kernel enforcement. --- .github/workflows/sandbox.yml | 124 +++++ docs/capability-seams.md | 6 + docs/config-catalog.md | 37 ++ docs/cordis-catalog/services.md | 16 + docs/module-graph.md | 9 + knip.json | 5 + packages/README.md | 3 +- packages/sandbox/README.md | 12 + packages/sandbox/sandbox-local/README.md | 18 + packages/sandbox/sandbox-local/package.json | 38 ++ packages/sandbox/sandbox-local/src/index.ts | 455 ++++++++++++++++++ .../sandbox/sandbox-local/tests/bwrap.e2e.ts | 118 +++++ .../sandbox-local/tests/landlock.e2e.ts | 118 +++++ .../sandbox/sandbox-local/tests/local.spec.ts | 349 ++++++++++++++ .../sandbox-local/tests/packed-install.e2e.ts | 173 +++++++ .../sandbox-local/tests/seatbelt.e2e.ts | 120 +++++ packages/sandbox/sandbox-local/tsconfig.json | 27 ++ packages/sandbox/sandbox/README.md | 11 + packages/sandbox/sandbox/package.json | 32 ++ packages/sandbox/sandbox/src/index.ts | 199 ++++++++ .../sandbox/sandbox/tests/vocabulary.spec.ts | 35 ++ packages/sandbox/sandbox/tsconfig.json | 21 + pnpm-lock.yaml | 55 +++ pnpm-workspace.yaml | 9 + scripts/doc-budgets.manifest.json | 2 +- scripts/gen-doc-graphs.ts | 10 + tsconfig.base.json | 1 + tsconfig.build.json | 2 + tsconfig.json | 2 + tsdown.config.ts | 3 +- 30 files changed, 2007 insertions(+), 3 deletions(-) create mode 100644 .github/workflows/sandbox.yml create mode 100644 packages/sandbox/README.md create mode 100644 packages/sandbox/sandbox-local/README.md create mode 100644 packages/sandbox/sandbox-local/package.json create mode 100644 packages/sandbox/sandbox-local/src/index.ts create mode 100644 packages/sandbox/sandbox-local/tests/bwrap.e2e.ts create mode 100644 packages/sandbox/sandbox-local/tests/landlock.e2e.ts create mode 100644 packages/sandbox/sandbox-local/tests/local.spec.ts create mode 100644 packages/sandbox/sandbox-local/tests/packed-install.e2e.ts create mode 100644 packages/sandbox/sandbox-local/tests/seatbelt.e2e.ts create mode 100644 packages/sandbox/sandbox-local/tsconfig.json create mode 100644 packages/sandbox/sandbox/README.md create mode 100644 packages/sandbox/sandbox/package.json create mode 100644 packages/sandbox/sandbox/src/index.ts create mode 100644 packages/sandbox/sandbox/tests/vocabulary.spec.ts create mode 100644 packages/sandbox/sandbox/tsconfig.json diff --git a/.github/workflows/sandbox.yml b/.github/workflows/sandbox.yml new file mode 100644 index 0000000000..561d74b587 --- /dev/null +++ b/.github/workflows/sandbox.yml @@ -0,0 +1,124 @@ +# Sandbox CI: the keyless real-kernel confinement proofs. A separate workflow +# from ci.yml because the axis is different — these jobs fan out over +# OS×runner (kernel capabilities), not node versions. The Landlock launcher +# arrives from the registry with `pnpm install` (the npm package family +# `node-addon-landlock-run`, built and released from its own repository), so +# these legs exercise the true consumer path — nothing is compiled here. +name: Sandbox + +on: + push: + branches: [main, master] + pull_request: + +concurrency: + group: ${{ github.workflow }}-${{ github.ref }} + cancel-in-progress: true + +permissions: + contents: read + +jobs: + # Keyless real-kernel sandbox proofs (sandbox RFC § Testing): each ladder + # rung is only provable on a host where it enforces, so this job fans out + # an OS×runner matrix — bwrap and Landlock on Linux (separate legs: the + # Landlock files force the bwrap rung off, so each leg proves exactly one + # rung; Landlock twice, once per architecture, each confining through the + # registry-installed launcher), Seatbelt on macOS (sandbox-exec ships with + # the OS). One node + # version only: kernel confinement does not vary by node, and ci.yml's + # node matrix already covers the node axis. + # + # The e2e files self-skip where their runner is absent, so a leg that lost + # its runner (no bwrap, kernel without Landlock, macOS without + # sandbox-exec) would otherwise pass as a false green — the same trap + # e2e.yml's key preflight guards against. Each leg therefore asserts BOTH + # its platform files actually ran: `Test Files 2 passed (2)`, no skips. + sandbox-e2e: + strategy: + fail-fast: false + matrix: + include: + - os: ubuntu-latest + runner: bwrap + - os: ubuntu-24.04 + runner: landlock + - os: ubuntu-24.04-arm + runner: landlock + - os: macos-latest + runner: seatbelt + name: sandbox e2e (${{ matrix.runner }}, ${{ matrix.os }}) + runs-on: ${{ matrix.os }} + timeout-minutes: 20 + steps: + - uses: actions/checkout@v6 + + - uses: actions/setup-node@v6 + with: + node-version: 24 + + - name: Enable corepack (pnpm) + run: corepack enable + + - name: Install (immutable) + run: pnpm install --frozen-lockfile + + # The bwrap rung needs bubblewrap on PATH and unprivileged user + # namespaces. Ubuntu 24.04 gates the latter behind an AppArmor knob; + # lift it best-effort — on images where the knob is absent the + # functional probe (and the run-guard below) is the arbiter anyway. + - name: Install bubblewrap (unrestrict userns) + if: matrix.runner == 'bwrap' + run: | + sudo apt-get update -q + sudo apt-get install -yq bubblewrap + sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 \ + || echo "apparmor userns knob absent — the functional probe decides" + + # The unit suite runs on ubuntu in `checks`; this is the one darwin leg + # in the workflow, so run it here too — the platform-dependent unit + # expectations (Seatbelt path canonicalization: /tmp IS /private/tmp) + # take their darwin branch only on this runner. + - name: Unit tests (darwin parity) + if: matrix.runner == 'seatbelt' + run: pnpm run test + + - name: Sandbox e2e (real kernel confinement, world-verified) + # NO_COLOR: vitest force-enables ANSI color under GITHUB_ACTIONS even + # without a TTY, which would thread escape codes through the summary + # line the run-guard greps. + env: + NO_COLOR: 1 + run: | + set -u +e -o pipefail + out=$(pnpm exec vitest run --config vitest.e2e.config.ts \ + packages/sandbox/sandbox-local/tests/${{ matrix.runner }}.e2e.ts \ + packages/bash/bash-sandbox/tests/${{ matrix.runner }}.e2e.ts 2>&1); status=$? + echo "$out" + [ "$status" -eq 0 ] + # Both platform files must have RUN — a self-skip (runner missing on + # the very platform that exists to prove it) is a failure, not a pass. + echo "$out" | grep -qE 'Test Files[[:space:]]+2 passed \(2\)' + + # Publish-path rehearsal, Landlock legs only (the pack gates need built + # lib/). The e2e packs the workspace closure, installs the tarballs + # into a throwaway consumer — npm pulling `node-addon-landlock-run` + # and its platform package from the registry, the true consumer path — + # and confines through the INSTALLED launcher, asserting it executable + # apart (a mode-stripped binary must not masquerade as a non-enforcing + # kernel). Same no-silent-skip guard as above. + - name: Build packages (lib/ for the pack rehearsal) + if: matrix.runner == 'landlock' + run: pnpm run build + + - name: Packed-distribution e2e (pack → install → confine) + if: matrix.runner == 'landlock' + env: + NO_COLOR: 1 + run: | + set -u +e -o pipefail + out=$(pnpm exec vitest run --config vitest.e2e.config.ts \ + packages/sandbox/sandbox-local/tests/packed-install.e2e.ts 2>&1); status=$? + echo "$out" + [ "$status" -eq 0 ] + echo "$out" | grep -qE 'Test Files[[:space:]]+1 passed \(1\)' diff --git a/docs/capability-seams.md b/docs/capability-seams.md index abddc73ed2..8dac9fbfd6 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -46,6 +46,9 @@ flowchart LR pkg_bash_local["bash-local"] pkg_hooks_claude["hooks-claude"] pkg_hooks_codex["hooks-codex"] + pkg_sandbox["sandbox"] + svc_sandbox["ctx.sandbox
Process-sandbox seam"] + pkg_sandbox_local["sandbox-local"] pkg_approval["approval"] svc_approval["ctx.approval
Approval seam"] pkg_code_runtime["code-runtime"] @@ -90,6 +93,8 @@ flowchart LR pkg_llm_deepseek --> svc_llm pkg_llm_pi_ai --> svc_llm pkg_llm_replay --> svc_llm + pkg_sandbox --> svc_sandbox + pkg_sandbox_local --> svc_sandbox pkg_session --> svc_sessions pkg_session_persistence --> svc_sessionPersistence pkg_session_persistence_jsonl --> svc_sessionPersistence @@ -165,6 +170,7 @@ flowchart LR | `ctx.agents` | `core` | [`agent`](../packages/core/agent) | - | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`stdio-agent`](../packages/ui/stdio-agent), [`invariants`](../packages/support/invariants) | - | Owns live Agent handles and the create/resume factory seam. | | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | | `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local. | +| `ctx.sandbox` | `seam` | [`sandbox`](../packages/sandbox/sandbox) | [`sandbox-local`](../packages/sandbox/sandbox-local) | - | - | Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement. | | `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | | `ctx.codeRuntime` | `seam` | [`code-runtime`](../packages/code-runtime/code-runtime) | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | [`tools`](../packages/core/tools) | - | Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode). | | `ctx.fs` | `seam` | [`fs`](../packages/fs/fs) | [`fs-local`](../packages/fs/fs-local) | [`tool-fs`](../packages/fs/tool-fs) | [`fs-policy`](../packages/fs/fs-policy) | tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate. | diff --git a/docs/config-catalog.md b/docs/config-catalog.md index ed175f250b..b092b20537 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -430,6 +430,42 @@ export interface Config { Source: [`packages/guard/repeat-tool-guard/src/index.ts:55`](../packages/guard/repeat-tool-guard/src/index.ts) +## `@deepseek-ai/dsh-sandbox-local` + +```ts config-catalog +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * Override the sandbox runner argv (the bwrap-shaped profile arguments are + * appended). A NON-EMPTY argv is the operator's assertion that this runner + * exists and FULLY enforces the profile (confinement reports + * `enforcement: 'full'`, and — the runner's kernel mechanism being unknown + * — carries both Linux file-denial dialects as its denial signatures) — + * the runner chain and its probes are skipped, + * and a broken runner fails loudly at spawn time like any missing command. + * Absent (or empty — the schema normalizes an omitted array to `[]`): the + * built-in platform chains — Linux `bwrap` then the Landlock launcher + * (probed in that order), darwin `sandbox-exec` (the sole candidate, + * selected without a probe). Used for custom/alternative runners and + * for deterministic fake runners in keyless test tiers. + */ + runnerCommand?: string[] + /** + * Per-probe timeout in milliseconds for the chain's functional probes + * (default: 5000; must be a positive finite number — Node treats a 0 + * `spawnSync` timeout as UNBOUNDED, so 0 is rejected at construction). A + * probe that exceeds it reads as an unusable rung, so a + * host slow enough to trip the default — cold NFS mounts, heavily loaded + * CI — would otherwise be misclassified `SANDBOX_UNAVAILABLE` with no + * config escape. Bounds ONE probe, and the chain walk runs each at most once + * per provider lifetime. + */ + probeTimeoutMs?: number +} +``` + +Source: [`packages/sandbox/sandbox-local/src/index.ts:36`](../packages/sandbox/sandbox-local/src/index.ts) + ## `@deepseek-ai/dsh-session-persistence-jsonl` Requires: `sessions` @@ -985,6 +1021,7 @@ Abstract service classes — a deployment loads a concrete implementation packag - `@deepseek-ai/dsh-code-runtime` — abstract `CodeRuntime` ([`packages/code-runtime/code-runtime/src/index.ts`](../packages/code-runtime/code-runtime/src/index.ts)) - `@deepseek-ai/dsh-compact` — abstract `CompactService` ([`packages/compact/compact/src/index.ts`](../packages/compact/compact/src/index.ts)) - `@deepseek-ai/dsh-fs` — abstract `FileSystem` ([`packages/fs/fs/src/index.ts`](../packages/fs/fs/src/index.ts)) +- `@deepseek-ai/dsh-sandbox` — abstract `SandboxProvider` ([`packages/sandbox/sandbox/src/index.ts`](../packages/sandbox/sandbox/src/index.ts)) - `@deepseek-ai/dsh-session-persistence` — abstract `SessionPersistence` ([`packages/session-persistence/session-persistence/src/index.ts`](../packages/session-persistence/session-persistence/src/index.ts)) - `@deepseek-ai/dsh-workflow` — abstract `WorkflowService` ([`packages/workflow/workflow/src/index.ts`](../packages/workflow/workflow/src/index.ts)) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index eb0fe8ffd1..e0fa68bab9 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -157,6 +157,22 @@ Types: [GenerateOptions](../core-data-structures/core.md) · [StreamChunk](../co Source: [`packages/llm/llm/src/index.ts:88`](../../packages/llm/llm/src/index.ts) +## `ctx.sandbox` — `SandboxProvider` (abstract seam) + +Abstract process-sandbox service. Subclass, implement confine, and load the subclass as a plugin — it registers as `ctx.sandbox` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). + +Semantics every implementation must honor: + +- confine either returns an argv whose runner ENFORCES the policy or fails closed — at `confine` time with SandboxUnavailableError (no backend for this host), or at EXECUTION time by the runner itself refusing to run the command (exiting without exec'ing it, identified by ConfinedArgv.runnerFailureSignatures). A silent unconfined passthrough is never a legal outcome on either path. +- Probing exists to ARBITRATE between multiple candidate backends and may be skipped when a platform has exactly one: the sole candidate is selected directly and the runner's exec-time fail-closed refusal carries the safety property. When probing does run, it is functional (actually enforcing a profile, not a version check), at most once per provider lifetime; `confine` itself spawns nothing beyond that one-time probing. +- The returned ConfinedArgv.enforcement states the backend's actual completeness for THIS host; `partial` is reported, never silently upgraded to `full`. + +```ts cordis-catalog +abstract confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv +``` + +Source: [`packages/sandbox/sandbox/src/index.ts:180`](../../packages/sandbox/sandbox/src/index.ts) + ## `ctx.sessionPersistence` — `SessionPersistence` (abstract seam) Abstract durable session-persistence service. Subclass, implement the abstract methods, and load the subclass as a plugin — it registers as `ctx.sessionPersistence` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). diff --git a/docs/module-graph.md b/docs/module-graph.md index 2bcd15c967..2c2e94a254 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -98,6 +98,10 @@ flowchart TD subgraph group_guard["packages/guard"] pkg_repeat_tool_guard["repeat-tool-guard"] end + subgraph group_sandbox["packages/sandbox"] + pkg_sandbox["sandbox"] + pkg_sandbox_local["sandbox-local"] + end subgraph group_workflow["packages/workflow"] pkg_tool_workflow["tool-workflow"] pkg_workflow["workflow"] @@ -116,6 +120,7 @@ flowchart TD pkg_fs --> pkg_brand pkg_fs --> pkg_llm pkg_web --> pkg_llm + pkg_sandbox --> pkg_llm pkg_agent --> pkg_brand pkg_agent --> pkg_llm pkg_agent --> pkg_session @@ -134,6 +139,8 @@ flowchart TD pkg_session_persistence --> pkg_session pkg_llm_replay --> pkg_llm pkg_llm_replay --> pkg_session + pkg_sandbox_local --> pkg_llm + pkg_sandbox_local --> pkg_sandbox pkg_compact_basic --> pkg_agent pkg_compact_basic --> pkg_compact pkg_compact_basic --> pkg_llm @@ -288,6 +295,7 @@ flowchart TD | [`bash-local`](../packages/bash/bash-local) | `bash` | [`bash`](../packages/bash/bash), [`timeout`](../packages/util/timeout) | | [`fs`](../packages/fs/fs) | `fs` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | | [`web`](../packages/web/web) | `web` | [`llm`](../packages/llm/llm) | +| [`sandbox`](../packages/sandbox/sandbox) | `sandbox` | [`llm`](../packages/llm/llm) | | [`agent`](../packages/core/agent) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`fs-local`](../packages/fs/fs-local) | `fs` | [`fs`](../packages/fs/fs) | | [`fs-policy`](../packages/fs/fs-policy) | `fs` | [`fs`](../packages/fs/fs) | @@ -299,6 +307,7 @@ flowchart TD | [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | | [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) | | [`llm-replay`](../packages/support/llm-replay) | `support` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`sandbox-local`](../packages/sandbox/sandbox-local) | `sandbox` | [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox) | | [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | diff --git a/knip.json b/knip.json index 67da80cd2a..ba6dfb6fb2 100644 --- a/knip.json +++ b/knip.json @@ -2,6 +2,7 @@ "$schema": "https://unpkg.com/knip@5/schema.json", "exclude": ["duplicates"], "ignoreWorkspaces": ["vendor/*"], + "ignoreBinaries": ["bwrap", "sandbox-exec"], "workspaces": { ".": { "entry": [ @@ -14,6 +15,10 @@ ], "project": ["scripts/**/*.ts", "examples/**/*.ts"] }, + "packages/sandbox/sandbox-local": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, "packages/*/*": { "entry": ["tests/**/*.spec.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] diff --git a/packages/README.md b/packages/README.md index 8d1580b291..7a389b29fa 100644 --- a/packages/README.md +++ b/packages/README.md @@ -4,7 +4,7 @@ Harness packages, all under the `@deepseek-ai/dsh-*` scope. Each package is a Co ## Hierarchy -Packages are grouped by modular role at `packages///`. The group directory is a pure container (no `package.json` of its own); the package name stays `@deepseek-ai/dsh-` regardless of group. **Each group README is the canonical per-package map** — package roles, ctx keys, and the product-vs-support split live there, next to the code. +Packages are grouped by modular role at `packages///`. The group directory is a pure container (no `package.json`); the package name stays `@deepseek-ai/dsh-` regardless of group. **Each group README is the canonical per-package map** — package roles, ctx keys, and the product-vs-support split live there, next to the code. | Group | Role | Release expectation | |---|---|---| @@ -12,6 +12,7 @@ Packages are grouped by modular role at `packages///`. The group dir | [`llm/`](llm/README.md) | LLM capability family: the abstract service + provider adapters | Product — stable surface | | [`bash/`](bash/README.md) | Bash capability family: the executor seam, a local impl, and the model-facing tool | Product — stable surface | | [`code-runtime/`](code-runtime/README.md) | Code-execution capability family: the abstract runtime seam for model-written programs + a worker-thread backend | Product — stable surface | +| [`sandbox/`](sandbox/README.md) | Process-confinement seam; bwrap/Landlock/Seatbelt backends | Product — stable surface | | [`approval/`](approval/README.md) | One-shot permission decisions | Product — stable surface | | [`fs/`](fs/README.md) | Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools | Product — stable surface | | [`compact/`](compact/README.md) | Compaction capability family: the abstract seam + a basic backend (tool deferred) | Product — stable surface | diff --git a/packages/sandbox/README.md b/packages/sandbox/README.md new file mode 100644 index 0000000000..bc535bbc8a --- /dev/null +++ b/packages/sandbox/README.md @@ -0,0 +1,12 @@ +# sandbox/ — process-sandbox capability family + +The confinement half of the [capability-seam split](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md): an abstract provider interface and platform backends. Consumers hand `ctx.sandbox` the exact argv they are about to spawn and spawn the returned (wrapped) argv instead; policy (`SandboxPolicy`: mode + workspace root) rides each call, so different consumers confine under different policies at the same instant. All **product** packages. + +| Package | Role | ctx key | +|---|---|---| +| `sandbox/` | Abstract process-sandbox seam (the `SandboxProvider` contract + the mode/enforcement/policy vocabulary) | `ctx.sandbox` | +| `sandbox-local/` | Local backends by platform chain: Linux `bwrap` else the `landlock-run` launcher (the npm-distributed [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) family, built and released from its own repository), darwin `sandbox-exec`/Seatbelt — multi-candidate chains functionally probed, sole candidates selected directly, verdict cached, fail-closed | (registers `ctx.sandbox`) | + +The seam confines SAME-WORLD subprocesses only (shared filesystem and kernel). Containers, microVMs, and remote executors are NOT backends here — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups; the boundary is recorded in [the sandbox RFC](../../docs/rfc/proposed/feature/2026-07-06-sandbox.md). + +The staged first consumer is the sandboxed bash executor (it hands over the exact `['bash', '-c', command]` argv it is about to spawn). In-process tools (fs/web) cannot be confined by an OS wrapper — their sandbox semantics are policy at their own seams (the sandbox RFC's cross-family phase). diff --git a/packages/sandbox/sandbox-local/README.md b/packages/sandbox/sandbox-local/README.md new file mode 100644 index 0000000000..c4ca758aee --- /dev/null +++ b/packages/sandbox/sandbox-local/README.md @@ -0,0 +1,18 @@ +# @deepseek-ai/dsh-sandbox-local + +Local implementation of the [`@deepseek-ai/dsh-sandbox`](../sandbox/) seam: wraps a caller's argv in a platform confinement runner. Selection is BY PLATFORM, resolved once and cached: each platform names its runner chain, a chain of one is selected directly (probing arbitrates between candidates — a sole candidate leaves nothing to arbitrate), and a chain of several is probed functionally in preference order. Linux: [`bwrap`](https://github.com/containers/bubblewrap) when its probe passes, else the [`landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) Landlock launcher (kernel confinement that needs no userns/mount privileges — see the [sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md) for the prebuilt-binary decision and profile-parity notes); darwin: `sandbox-exec` speaking a Seatbelt (SBPL) profile, unprobed. A platform with no chain means `confine()` FAILS CLOSED with the seam's structured `SANDBOX_UNAVAILABLE` error (win32 today: a reserved, deliberately empty chain awaiting an AppContainer-family runner); an unprobed runner that turns out unusable fails closed at EXECUTION instead — it refuses to run the command, and every wrap's `runnerFailureSignatures` let the consumer classify that as a sandbox failure rather than a task failure. Never a silent unconfined passthrough on any path. + +Policy is per call (`SandboxPolicy`: mode + workspace root); the provider holds only the mechanism and the cached ladder verdict. Every wrap reports the selected runner's `enforcement` (`full`, or `partial` on an older Landlock ABI that governs only a subset of accesses — read from the launcher's `--probe` report line) and its `denialSignatures` — the stderr dialect that rung's kernel speaks on a denied file effect (EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt), which stderr-inferring consumers match instead of a cross-runner union. A non-empty `runnerCommand` config is the operator's assertion of a runner that fully enforces the bwrap-shaped profile: the ladder and probes are skipped (the wrap carries both Linux denial dialects, the mechanism being unknown) — also the deterministic fake-runner seam for keyless test tiers. Its runner-failure dialect is the OUTER shell's argv0-scoped failure shapes (`exec: : not found`, `: No such file or directory`, `: Permission denied`) — the consumer re-joins the wrap through `bash -c 'exec …'`, so a missing or unexecutable configured runner classifies as a sandbox failure (fail closed at execution), never as a failing command or a denial. `probeTimeoutMs` (default 5000) bounds each functional probe, the escape hatch for hosts slow enough that a timed-out probe would otherwise misread as `SANDBOX_UNAVAILABLE`. + +The Seatbelt profile is allow-default with `(deny file-write*)` plus write allow-lists, so exactly the mode's promised file effects are governed: `read-only` grants the `/dev/null` literal alone; `workspace-write` adds the workspace root, `/tmp`, and the per-user darwin temp dir (`os.tmpdir()` — the platform's real temp area for mkstemp-family tools), every root canonicalized because Seatbelt matches resolved paths (`/tmp` IS `/private/tmp`). Apple marks the `sandbox-exec` CLI deprecated but ships it on every macOS; the functional probe is what fails closed if that ever changes. + +The Landlock launcher comes from the npm package family [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) — an entry package (this package's one runtime dependency) plus per-platform binary packages selected by npm's `os`/`cpu` fields, built and released from [its own repository](https://github.com/deepseek-harness/node-addon-landlock-run). The entry package owns the launcher's CLI contract: `launcherPath()` resolution (a host with no platform package yields a never-existing path whose probe fails exactly like an unenforcing kernel), the functional `probe()`, and `grantArgs()` flag spelling — versioned together with the binary, so probe-report parsing can never drift against it. This provider keeps only the policy side: the mode → grants mapping (`landlockProfileArgs`) and the ladder. The consumer path is rehearsed by `tests/packed-install.e2e.ts`: pack THIS package's closure, install into a throwaway consumer with the launcher family coming from the registry, assert the installed binary executable (a stripped mode bit must not masquerade as a non-enforcing kernel), and confine through it under plain `node`. + +Every rung has its keyless world-proof (`tests/bwrap.e2e.ts`, `tests/landlock.e2e.ts`, `tests/seatbelt.e2e.ts`), each self-skipping where its runner is absent; CI's `sandbox-e2e` matrix runs all of them against real kernels (bwrap plus one Landlock leg per architecture on Linux, Seatbelt on macOS) and fails on a silent all-skip. + +```yaml +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' +``` + +The staged first consumer is the sandboxed bash executor. diff --git a/packages/sandbox/sandbox-local/package.json b/packages/sandbox/sandbox-local/package.json new file mode 100644 index 0000000000..d2f8b34161 --- /dev/null +++ b/packages/sandbox/sandbox-local/package.json @@ -0,0 +1,38 @@ +{ + "name": "@deepseek-ai/dsh-sandbox-local", + "description": "Local process-sandbox backends for the DeepSeek Harness sandbox seam: bwrap, the npm-distributed landlock-run launcher, or macOS Seatbelt — functionally probed, fail-closed", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "node-addon-landlock-run": "0.0.0-test.0", + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/sandbox/sandbox-local/src/index.ts b/packages/sandbox/sandbox-local/src/index.ts new file mode 100644 index 0000000000..01189bc78b --- /dev/null +++ b/packages/sandbox/sandbox-local/src/index.ts @@ -0,0 +1,455 @@ +/** + * `LocalSandboxProvider`: the local implementation of the + * `@deepseek-ai/dsh-sandbox` seam. Wraps a caller's argv in a platform + * confinement runner selected BY PLATFORM: each platform names its runner + * chain ({@link PLATFORM_CHAINS}), a chain of one is selected directly (no + * probe — there is nothing to arbitrate), and a chain of several is probed + * FUNCTIONALLY in preference order (build and enforce a real profile once, + * not `--version`), the verdict cached for the provider's lifetime. Linux: + * `bwrap`, else the `landlock-run` Landlock launcher (kernel confinement + * that needs no userns/mount privileges; distributed as the npm package + * family `node-addon-landlock-run` — the decision recorded in + * docs/rfc/proposed/feature/2026-07-06-sandbox.md); darwin: macOS + * `sandbox-exec` speaking a Seatbelt (SBPL) profile, unprobed. + * When the platform has no chain or no candidate passes, + * {@link LocalSandboxProvider.confine} FAILS CLOSED with the seam's + * structured `SANDBOX_UNAVAILABLE` error instead of passing the argv + * through unconfined; an unusable runner selected WITHOUT a probe fails + * closed at execution time instead (it refuses to run the command), which + * the wrap's `runnerFailureSignatures` let consumers classify as a sandbox + * failure rather than a task failure. + * + * @module @deepseek-ai/dsh-sandbox-local + */ + +import { spawnSync } from 'node:child_process' +import { realpathSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { grantArgs as landlockGrantArgs, LAUNCHER_BIN, launcherPath as landlockLauncherPath, probe as defaultProbeLandlock } from 'node-addon-landlock-run' +import { Context } from 'cordis' +import z from 'schemastery' +import { assertNever } from '@deepseek-ai/dsh-llm' +import { SandboxProvider, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedArgv, ConfinedSandboxMode, SandboxEnforcement, SandboxPolicy } from '@deepseek-ai/dsh-sandbox' + +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * Override the sandbox runner argv (the bwrap-shaped profile arguments are + * appended). A NON-EMPTY argv is the operator's assertion that this runner + * exists and FULLY enforces the profile (confinement reports + * `enforcement: 'full'`, and — the runner's kernel mechanism being unknown + * — carries both Linux file-denial dialects as its denial signatures) — + * the runner chain and its probes are skipped, + * and a broken runner fails loudly at spawn time like any missing command. + * Absent (or empty — the schema normalizes an omitted array to `[]`): the + * built-in platform chains — Linux `bwrap` then the Landlock launcher + * (probed in that order), darwin `sandbox-exec` (the sole candidate, + * selected without a probe). Used for custom/alternative runners and + * for deterministic fake runners in keyless test tiers. + */ + runnerCommand?: string[] + /** + * Per-probe timeout in milliseconds for the chain's functional probes + * (default: 5000; must be a positive finite number — Node treats a 0 + * `spawnSync` timeout as UNBOUNDED, so 0 is rejected at construction). A + * probe that exceeds it reads as an unusable rung, so a + * host slow enough to trip the default — cold NFS mounts, heavily loaded + * CI — would otherwise be misclassified `SANDBOX_UNAVAILABLE` with no + * config escape. Bounds ONE probe, and the chain walk runs each at most once + * per provider lifetime. + */ + probeTimeoutMs?: number +} + +/** + * The `bwrap` profile arguments for one policy. The whole host tree is bound + * read-only; a fresh `/dev` keeps `>/dev/null` redirects working and a fresh + * `/proc` keeps process-inspecting tools working. `workspace-write` + * additionally mounts an ephemeral writable `/tmp` and rebinds the workspace + * root read-write (bind order matters: later binds overlay earlier ones). + * Deliberately NO `--unshare-pid` (it would break the process-group kill + * semantics shell consumers rely on) and NO network unsharing (the seam's + * mode vocabulary promises file effects only). + * @param policy - the file-effect policy to express as bwrap arguments. + * @returns the bwrap profile arguments (before the trailing `--` + argv). + */ +export function bwrapProfileArgs(policy: SandboxPolicy): string[] { + const args = ['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent'] + if (policy.mode === 'workspace-write') { + args.push('--tmpfs', '/tmp') + args.push('--bind', policy.workspaceRoot, policy.workspaceRoot) + } + return args +} + +/** + * The `landlock-run` grant arguments for one policy — the bwrap + * profile's file-effect semantics expressed as a Landlock allow-list + * (Landlock cannot mount, so there are no fresh/ephemeral filesystems). The + * whole tree is readable and executable; of `/dev`, ONLY `/dev/null` is + * writable — a whole-`/dev` grant would expose real host paths beneath it + * (`/dev/shm`, a shared tmpfs) to persistent writes, which `read-only` + * promises never happen. bwrap can hand out a fresh ephemeral `/dev`; on the + * host's own `/dev` the write grant must be node-by-node, and `>/dev/null` + * is the one redirects need. `workspace-write` adds the HOST `/tmp` (shared + * and persistent, where bwrap's is ephemeral — the honest difference, + * recorded in the sandbox RFC's runner notes) plus the workspace + * root read-write. The flag spelling belongs to `node-addon-landlock-run`'s + * `grantArgs`; this function owns only the policy → grants mapping. + * @param policy - the file-effect policy to express as launcher grants. + * @returns the launcher grant arguments (before `--` + argv). + */ +export function landlockProfileArgs(policy: SandboxPolicy): string[] { + const readWrite = ['/dev/null'] + if (policy.mode === 'workspace-write') { + readWrite.push('/tmp', policy.workspaceRoot) + } + return landlockGrantArgs({ readOnly: ['/'], readWrite }) +} + +/** + * Resolve a granted root to the path the kernel actually sees. Seatbelt path + * filters match the CANONICAL path (symlinks resolved), and the roots this + * profile grants are symlinked on every macOS: `/tmp` is `/private/tmp` and + * the user temp dir lives under `/var` → `/private/var` — an as-spelled + * grant would match nothing. + */ +function canonicalPath(path: string): string { + try { + return realpathSync(path) + } catch { + // realpathSync failed: the path (or a prefix) is missing or unreadable. + // Grant the spelling as-is — an unresolvable root matches nothing until + // it exists, which is the conservative outcome, and inventing a fallback + // resolution here would grant a path the caller never named. + return path + } +} + +/** Quote one path as an SBPL string literal (backslashes and double quotes escaped). */ +function sbplString(path: string): string { + return `"${path.replaceAll('\\', String.raw`\\`).replaceAll('"', String.raw`\"`)}"` +} + +/** + * The `sandbox-exec` arguments for one policy: `-p` plus a Seatbelt (SBPL) + * profile with the same file-effect semantics as the other dialects, built + * as allow-default → `(deny file-write*)` → write allow-list (later rules + * win), so exactly the mode's promised file effects are governed — network + * and process visibility stay unrestricted, which is all the seam's mode + * vocabulary claims. Of `/dev`, ONLY the `/dev/null` literal is writable + * (the same node-not-directory reasoning as the Landlock grant). + * `workspace-write` adds the workspace root, the host `/tmp`, and the + * per-user darwin temp dir (`os.tmpdir()`, launchd's `TMPDIR`, inherited by + * the confined child) — on darwin that directory IS the platform's `/tmp` + * for every mkstemp-family tool, so omitting it would deny the mode's + * promised temp area. All granted roots are canonicalized because Seatbelt + * matches resolved paths ({@link canonicalPath}); duplicates after + * resolution collapse. + * @param policy - the file-effect policy to express as an SBPL profile. + * @returns the `sandbox-exec` arguments (`-p` + profile, before `--` + argv). + */ +export function seatbeltProfileArgs(policy: SandboxPolicy): string[] { + const forms = ['(version 1)', '(allow default)', '(deny file-write*)', `(allow file-write* (literal ${sbplString('/dev/null')}))`] + if (policy.mode === 'workspace-write') { + const roots = [...new Set([policy.workspaceRoot, '/tmp', tmpdir()].map(canonicalPath))] + forms.push(`(allow file-write* ${roots.map(root => `(subpath ${sbplString(root)})`).join(' ')})`) + } + return ['-p', forms.join(' ')] +} + +/** + * Functional `bwrap` probe: can it actually build the read-only profile on + * this host? (`--version` alone would miss a disabled unprivileged user + * namespace.) Synchronous by design — it runs once, lazily, before the first + * confined wrap, and the chain's verdict is cached for the provider's + * lifetime. `timeoutMs` bounds the probe (the `probeTimeoutMs` config). + * The Landlock rung needs no such helper: resolution (`launcherPath`) and + * the functional probe (`probe`) come from `node-addon-landlock-run`, the + * package family that ships the launcher binary itself, so the probe-report + * parsing can never drift against the binary. + */ +function defaultProbeBwrap(timeoutMs: number): boolean { + const probe = spawnSync('bwrap', ['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent', '--', 'true'], { + timeout: timeoutMs, + stdio: 'ignore', + }) + return probe.status === 0 +} + +/** + * Functional Seatbelt probe: apply the real `read-only` profile through + * `sandbox-exec -p` and run `true` under it — exit 0 means the kernel + * accepted and enforced the profile (`sandbox-exec` exits non-zero when + * `sandbox_init` refuses it). A missing `sandbox-exec` (every non-macOS + * host) fails the spawn and probes `unusable`, exactly like the other + * rungs' absent binaries. Apple marks the CLI deprecated but ships it on + * every macOS; if it ever disappears, this probe is what fails closed. + */ +function defaultProbeSeatbelt(seatbeltExec: string, timeoutMs: number): boolean { + const probe = spawnSync(seatbeltExec, [...seatbeltProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { + timeout: timeoutMs, + stdio: 'ignore', + }) + return probe.status === 0 +} + +/** Test seam: inject probe verdicts / a fake launcher / a platform without real runners. */ +export interface SandboxInternals { + /** Replaces `process.platform` for chain selection (exercise any platform's chain from any host). */ + platform?: string + /** Replaces the platform's chain wholesale (walk mechanics — e.g. probing a rung the product chains only reach unprobed). */ + chain?: readonly SelectedRunner['runner'][] + /** Replaces the functional `bwrap` probe (the Linux chain's first rung). */ + probeBwrap?: () => boolean + /** Replaces the functional Landlock launcher probe (the Linux chain's second rung). */ + probeLandlock?: (launcher: string) => SandboxEnforcement | 'unusable' + /** Replaces the functional Seatbelt probe (the darwin chain's sole rung — only consulted if that chain ever grows). */ + probeSeatbelt?: (seatbeltExec: string) => boolean + /** Replaces the resolved `landlock-run` launcher path (a fake launcher script). */ + landlockLauncher?: string + /** Replaces the `sandbox-exec` executable the probe and wraps invoke (a fake script). */ + seatbeltExec?: string +} + +/** The chain's verdict: which runner confines, and how completely it enforces. */ +type SelectedRunner = { runner: 'bwrap' | 'landlock' | 'seatbelt'; enforcement: SandboxEnforcement } + +/** + * The runner chain per platform — selection is BY PLATFORM first, probes + * second: a platform's chain is probed in preference order only when it has + * MORE than one candidate (probing arbitrates; it does not re-validate a + * choice that has no alternative). A platform with no chain fails closed at + * `confine()`. Linux prefers `bwrap` (its mount profile is closest to the + * mode vocabulary) over the Landlock launcher; darwin has exactly one + * candidate, selected without any probe. + */ +const PLATFORM_CHAINS: Record = { + linux: ['bwrap', 'landlock'], + darwin: ['seatbelt'], + // Reserved slot, deliberately empty: Windows support fills it with a + // confinement runner (AppContainer / restricted-token family, shipped from + // its own repository on the landlock-run template) plus a + // SelectedRunner['runner'] union member — the switches' assertNever guards + // then walk the implementer to every site. An empty chain fails closed at + // confine(), identical to an unlisted platform: reserving the slot never + // weakens the fail-closed end. + win32: [], +} + +/** + * Enforcement completeness a rung claims when selected WITHOUT a probe (a + * chain of one). `bwrap` and Seatbelt govern every promised file effect by + * construction, so the claim is a profile fact; `landlock` is listed for the + * table's totality but is unreachable unprobed today (the Linux chain has + * two rungs, so it is only ever selected through its probe, whose report is + * what distinguishes full from per-ABI-partial — and the launcher additionally + * self-reports partial enforcement on stderr at every confined run). + */ +const STATIC_ENFORCEMENT: Record = { + bwrap: 'full', + landlock: 'full', + seatbelt: 'full', +} + +/** + * A probe bound must be a positive finite number: Node treats + * `spawnSync({ timeout: 0 })` as NO timeout, so an unvalidated 0 would + * silently mean "unbounded" — the opposite of what the field promises. + */ +function assertPositiveFinite(name: string, value: number): void { + if (!Number.isFinite(value) || value <= 0) { + throw new Error(`sandbox-local: ${name} must be a positive finite number`) + } +} + +/** + * The denial dialect each runner's kernel speaks — the case-insensitive + * stderr substrings a denied file effect produces under it, carried on every + * wrap (the seam's `ConfinedArgv.denialSignatures`). Kernel facts, not + * tunables: bwrap denies through its read-only bind mounts (EROFS), Landlock + * refuses with EACCES, Seatbelt with EPERM — whose text is also what + * non-file EPERM boundaries print, the residual imprecision the consumer's + * conservative classifier documents. An operator-configured `runnerCommand` + * has an unknown kernel mechanism, so its wraps carry both Linux file-denial + * dialects; bare EPERM stays excluded there (it names non-file boundaries + * the mode vocabulary does not govern). + */ +const DENIAL_SIGNATURES = { + bwrap: ['read-only file system'], + landlock: ['permission denied'], + seatbelt: ['operation not permitted'], + runnerCommand: ['read-only file system', 'permission denied'], +} as const satisfies Record + +/** + * How each runner's OWN failure identifies itself on stderr (the seam's + * `ConfinedArgv.runnerFailureSignatures`): every runner prefixes its error + * lines with its program name, and the shell's runner-not-found message + * carries the same `name: ` shape (`bash: bwrap: command not found`, + * `bash: …/bin/landlock-run: No such file or directory`) — so one substring + * per runner covers both "runner broke" and "runner missing". Consumers + * match these BEFORE the denial dialect: a runner's error text can contain + * denial words (an unopenable grant root reports `Permission denied`), and + * a runner failure means the command never ran at all. + */ +const RUNNER_FAILURE_SIGNATURES = { + bwrap: ['bwrap: '], + landlock: [`${LAUNCHER_BIN}: `], + seatbelt: ['sandbox-exec: '], +} as const satisfies Record + +/** + * Local process-sandbox provider. Registers as `ctx.sandbox`. Stateless + * apart from the cached chain verdict — it spawns nothing but the one-time + * probes, so there is no disposal work beyond cordis' own. + */ +export class LocalSandboxProvider extends SandboxProvider { + // Inline schema call: the config catalog walks `static Config` statically. + static Config: z = z.object({ + runnerCommand: z.array(z.string()).default([]), + probeTimeoutMs: z.natural().default(5_000), + }) + + /** Test seam (mirrors the bash executors' `internals`). */ + internals: SandboxInternals = {} + + private readonly runnerCommand: string[] | undefined + private readonly probeTimeoutMs: number + /** Cached chain verdict; undefined until the first confined wrap needs it. */ + private selectedRunner: SelectedRunner | 'unavailable' | undefined + + constructor(ctx: Context, config: Config) { + super(ctx) + // The schema (static Config) defaults both fields — the casts record + // those runtime facts. An empty runnerCommand means "not configured": + // use the platform chain. + const runner = config.runnerCommand as string[] + this.runnerCommand = runner.length > 0 ? runner : undefined + this.probeTimeoutMs = config.probeTimeoutMs as number + assertPositiveFinite('probeTimeoutMs', this.probeTimeoutMs) + } + + /** + * Wrap `argv` in the selected runner's invocation for `policy` — the + * configured `runnerCommand` when present (the operator's assertion, no + * probe), else the platform chain's runner speaking its own profile + * dialect. Every wrap carries the runner's enforcement completeness, its + * denial dialect, and its runner-failure signatures. + * @param argv - the exact argv the caller is about to spawn. + * @param policy - the file-effect policy this execution runs under. + * @returns the wrapped argv plus the selected backend's enforcement + * completeness, denial signatures, and runner-failure signatures; + * throws the fail-closed `SANDBOX_UNAVAILABLE` error when the platform + * has no usable runner. + */ + confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv { + if (this.runnerCommand !== undefined) { + const argv0 = this.runnerCommand[0] as string + return { + argv: [...this.runnerCommand, ...bwrapProfileArgs(policy), '--', ...argv], + enforcement: 'full', + denialSignatures: DENIAL_SIGNATURES.runnerCommand, + // The configured runner's own failure dialect is unknown (as is its + // kernel mechanism), but the consumer never spawns the wrap directly + // — it re-joins it through an outer `bash -c 'exec …'` — so a + // missing or unexecutable runner fails with the OUTER shell's + // argv0-scoped shapes, and those we do know. Scoping every shape to + // argv0 keeps in-command errors out (a bare `exec:`/`Permission + // denied` prefix would claim tool output; `exec: : not + // found` cannot). The residual collision — a command invoking a + // file named exactly like the runner and hitting the same errno — + // is the classifier's documented conservative-inference trade. + runnerFailureSignatures: [ + `exec: ${argv0}: not found`, + `${argv0}: No such file or directory`, + `${argv0}: Permission denied`, + ], + } + } + const selected = this.selectRunner(policy.mode) + return { + argv: [...this.runnerArgv(selected.runner, policy), '--', ...argv], + enforcement: selected.enforcement, + denialSignatures: DENIAL_SIGNATURES[selected.runner], + runnerFailureSignatures: RUNNER_FAILURE_SIGNATURES[selected.runner], + } + } + + /** The selected rung's runner invocation (program + profile arguments) for one policy. */ + private runnerArgv(runner: SelectedRunner['runner'], policy: SandboxPolicy): string[] { + switch (runner) { + case 'bwrap': return ['bwrap', ...bwrapProfileArgs(policy)] + case 'landlock': return [this.landlockLauncher(), ...landlockProfileArgs(policy)] + case 'seatbelt': return [this.seatbeltExec(), ...seatbeltProfileArgs(policy)] + default: return assertNever(runner) + } + } + + /** + * Resolve which runner confines commands, once, for the provider's + * lifetime: this platform's chain ({@link PLATFORM_CHAINS}), its sole + * candidate selected directly, multiple candidates arbitrated by + * functional probes in chain order. Fail closed when the platform has no + * chain or no candidate passes — the command never runs. + */ + private selectRunner(mode: ConfinedSandboxMode): SelectedRunner { + this.selectedRunner ??= this.chainVerdict() + if (this.selectedRunner === 'unavailable') throw new SandboxUnavailableError(mode) + return this.selectedRunner + } + + /** Walk this platform's chain: sole candidate unprobed, several probed in order, none usable → unavailable. */ + private chainVerdict(): SelectedRunner | 'unavailable' { + const chain = this.internals.chain ?? PLATFORM_CHAINS[this.internals.platform ?? process.platform] ?? [] + const [first, ...rest] = chain + if (first === undefined) return 'unavailable' + // One candidate = nothing to arbitrate: select it without probing. Its + // runner fails closed at EXECUTION time if unusable (refuses to run the + // command), and the wrap's runnerFailureSignatures let the consumer + // classify that as a sandbox failure — never a silent unconfined run, + // never a plain task failure. + if (rest.length === 0) return { runner: first, enforcement: STATIC_ENFORCEMENT[first] } + for (const runner of chain) { + const enforcement = this.probeRunner(runner) + if (enforcement !== 'unusable') return { runner, enforcement } + } + return 'unavailable' + } + + /** One rung's functional probe (each at most once, via the chain walk). */ + private probeRunner(runner: SelectedRunner['runner']): SandboxEnforcement | 'unusable' { + // bwrap's mount profile and Seatbelt's deny-file-write* profile govern + // every promised file effect by construction, so their passing probes + // are always full enforcement; only the Landlock launcher's probe report + // distinguishes full from per-ABI-partial. + switch (runner) { + case 'bwrap': { + const probe = this.internals.probeBwrap ?? (() => defaultProbeBwrap(this.probeTimeoutMs)) + return probe() ? 'full' : 'unusable' + } + case 'landlock': { + const probe = this.internals.probeLandlock ?? (launcher => defaultProbeLandlock(launcher, { timeoutMs: this.probeTimeoutMs })) + return probe(this.landlockLauncher()) + } + case 'seatbelt': { + const probe = this.internals.probeSeatbelt ?? (exec => defaultProbeSeatbelt(exec, this.probeTimeoutMs)) + return probe(this.seatbeltExec()) ? 'full' : 'unusable' + } + default: return assertNever(runner) + } + } + + /** The Landlock launcher to probe and exec (test seam over the resolved one). */ + private landlockLauncher(): string { + return this.internals.landlockLauncher ?? landlockLauncherPath() + } + + /** The `sandbox-exec` executable to probe and exec (test seam over the system one). */ + private seatbeltExec(): string { + return this.internals.seatbeltExec ?? 'sandbox-exec' + } +} + +export default LocalSandboxProvider diff --git a/packages/sandbox/sandbox-local/tests/bwrap.e2e.ts b/packages/sandbox/sandbox-local/tests/bwrap.e2e.ts new file mode 100644 index 0000000000..da6e683da1 --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/bwrap.e2e.ts @@ -0,0 +1,118 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync, rmSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { bwrapProfileArgs, LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' + +/** + * KEYLESS bwrap integration proof for the BACKEND: the REAL `bwrap` confining + * REAL processes through `confine()` + a direct spawn of the returned argv. + * Nothing is forced off: bwrap is the ladder's FIRST rung, so a passing probe + * selects it naturally — the wrap shape assertion pins that. Verifies the + * WORLD (files exist or don't) and that the kernel's denial text matches the + * dialect the wrap advertises; the through-`ctx.bash` consumer proof lives + * with `@deepseek-ai/dsh-bash-sandbox`. + * + * Self-skips wherever the functional probe fails — no `bwrap` on PATH, or a + * host that denies unprivileged user namespaces (the probe is the same + * profile the provider enforces, so skip conditions match runtime exactly). + * + * Workspaces for the workspace-write tests live under the HOME directory on + * purpose: bwrap's `/tmp` is an EPHEMERAL mount (the documented + * bwrap-profile difference — pinned by its own test below), so only a + * workspace OUTSIDE `/tmp` proves the workspace-root rebind itself. + */ + +const probe = spawnSync('bwrap', [...bwrapProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const bwrapUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] +const tempFiles: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) + for (const file of tempFiles.splice(0)) rmSync(file, { force: true }) +}) + +async function tempDir(base: string): Promise { + const dir = await mkdtemp(join(base, 'dsh-bwrap-e2e-')) + tempDirs.push(dir) + return dir +} + +async function provider(): Promise { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + return ctx.sandbox as LocalSandboxProvider +} + +/** Confine a shell command under `policy` and run it for real; returns the spawn result and the wrap's facts. */ +function runConfined(sandbox: LocalSandboxProvider, command: string, policy: SandboxPolicy) { + const confined = sandbox.confine(['bash', '-c', command], policy) + const result = spawnSync(confined.argv[0] as string, confined.argv.slice(1), { timeout: 30_000, encoding: 'utf8' }) + return { result, confined } +} + +describe.skipIf(!bwrapUsable)('sandbox-local: real bwrap confinement', () => { + it('the passing probe selects the bwrap rung naturally — first in the ladder, full enforcement, EROFS dialect', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const confined = sandbox.confine(['true'], { mode: 'read-only', workspaceRoot: workdir }) + expect(confined.argv[0]).toBe('bwrap') + expect(confined.enforcement).toBe('full') + expect(confined.denialSignatures).toEqual(['read-only file system']) + }) + + it('read-only denies a write — the file must NOT exist, and the kernel speaks the advertised dialect', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, `echo hi > ${workdir}/denied.txt`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + // The wrap's denialSignatures must be what the kernel actually prints. + expect(result.stderr.toLowerCase()).toContain('read-only file system') + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('read-only keeps the tree readable/executable and the fresh /dev/null writable', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, 'ls / > /dev/null && echo dev-ok', { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('dev-ok\n') + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const sandbox = await provider() + + const inside = runConfined(sandbox, `printf bwrap-ok > ${workdir}/allowed.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(inside.result.status).toBe(0) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('bwrap-ok') + + const denied = runConfined(sandbox, `echo hi > ${outside}/denied.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(denied.result.status).not.toBe(0) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('workspace-write mounts an EPHEMERAL /tmp: the write succeeds inside, the host /tmp stays untouched', async () => { + // The documented bwrap-profile difference: Landlock and Seatbelt grant + // the HOST temp areas, bwrap swaps in a fresh tmpfs that dies with the + // process — the strongest of the three temp semantics. + const workdir = await tempDir(homedir()) + const target = `/tmp/dsh-bwrap-e2e-ephemeral-${process.pid}.txt` + tempFiles.push(target) + const sandbox = await provider() + const { result } = runConfined(sandbox, `printf tmp-ok > ${target} && cat ${target}`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('tmp-ok') + expect(existsSync(target)).toBe(false) + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/landlock.e2e.ts b/packages/sandbox/sandbox-local/tests/landlock.e2e.ts new file mode 100644 index 0000000000..104d3b318a --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/landlock.e2e.ts @@ -0,0 +1,118 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { launcherPath } from 'node-addon-landlock-run' +import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' + +/** + * KEYLESS Landlock integration proof for the BACKEND: the REAL npm-distributed + * `landlock-run` launcher (`node-addon-landlock-run`) confining REAL processes through `confine()` + a direct + * spawn of the returned argv, with the bwrap rung forced off so the ladder + * lands on the launcher. Verifies the WORLD (files exist or don't), not the + * wrapper argv alone; the through-`ctx.bash` consumer proof lives with + * `@deepseek-ai/dsh-bash-sandbox`. + * + * Self-skips when the running kernel does not enforce Landlock (or this + * platform has no launcher package — the probe cannot pass then). The + * binary itself arrives with `pnpm install`, so absence is not a checkout + * state. + * + * Workspaces live under the HOME directory on purpose: `workspace-write` + * grants the host `/tmp` wholesale (the documented Landlock-profile + * difference), so only a workspace OUTSIDE `/tmp` proves the workspace-root + * grant itself. + */ + +const probe = spawnSync(launcherPath(), ['--probe'], { timeout: 5_000, encoding: 'utf8' }) +const landlockUsable = probe.status === 0 +/** The running kernel's enforcement level, from the launcher's probe report — every wrap below must carry exactly this. */ +const enforcement = /partially enforced/.test(probe.stdout ?? '') ? 'partial' : 'full' + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise { + const dir = await mkdtemp(join(base, 'dsh-landlock-e2e-')) + tempDirs.push(dir) + return dir +} + +async function provider(): Promise { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + const sandbox = ctx.sandbox as LocalSandboxProvider + sandbox.internals = { probeBwrap: () => false } + return sandbox +} + +/** Confine a shell command under `policy` and run it for real; returns the spawn result and the wrap's enforcement. */ +function runConfined(sandbox: LocalSandboxProvider, command: string, policy: SandboxPolicy) { + const confined = sandbox.confine(['bash', '-c', command], policy) + const result = spawnSync(confined.argv[0] as string, confined.argv.slice(1), { timeout: 30_000, encoding: 'utf8' }) + return { result, enforcement: confined.enforcement } +} + +describe.skipIf(!landlockUsable)('sandbox-local: real Landlock confinement through the bundled launcher', () => { + it('read-only denies a write — the file must NOT exist, the wrap reports the probed enforcement', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result, enforcement: wrapped } = runConfined(sandbox, `echo hi > ${workdir}/denied.txt`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + expect(wrapped).toBe(enforcement) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('read-only keeps the tree readable/executable and /dev/null writable', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, 'ls / > /dev/null && echo dev-ok', { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('dev-ok\n') + }) + + it('read-only denies a write beneath the host /dev (the /dev/shm tmpfs must stay untouched)', async () => { + // The grant is /dev/null the FILE, not /dev the directory: /dev/shm is a + // world-writable host tmpfs, and a write landing there would be exactly + // the persistent host effect read-only promises never happen. + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const target = `/dev/shm/dsh-landlock-e2e-${process.pid}` + const { result } = runConfined(sandbox, `echo hi > ${target}`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + expect(existsSync(target)).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const sandbox = await provider() + + const inside = runConfined(sandbox, `printf landlock-ok > ${workdir}/allowed.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(inside.result.status).toBe(0) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('landlock-ok') + + const denied = runConfined(sandbox, `echo hi > ${outside}/denied.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(denied.result.status).not.toBe(0) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('workspace-write grants the host /tmp (the documented Landlock-profile difference)', async () => { + const workdir = await tempDir(homedir()) + const scratch = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, `printf tmp-ok > ${scratch}/scratch.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(readFileSync(join(scratch, 'scratch.txt'), 'utf8')).toBe('tmp-ok') + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/local.spec.ts b/packages/sandbox/sandbox-local/tests/local.spec.ts new file mode 100644 index 0000000000..d12f4970cb --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/local.spec.ts @@ -0,0 +1,349 @@ +/** + * LocalSandboxProvider tests. No real runner is assumed to exist on the test + * host: `runnerCommand` injects deterministic runner argvs, and `internals` + * injects probe verdicts plus fake Landlock launcher / `sandbox-exec` + * scripts, so profile dialects, ladder selection, verdict caching, + * probe-report parsing, per-rung denial signatures, and fail-closed behavior + * are all exercised through the real `confine()` path. + */ + +import { mkdtempSync, realpathSync, writeFileSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import { SANDBOX_UNAVAILABLE, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { + bwrapProfileArgs, + landlockProfileArgs, + LocalSandboxProvider, + seatbeltProfileArgs, +} from '@deepseek-ai/dsh-sandbox-local' +import type { Config } from '@deepseek-ai/dsh-sandbox-local' + +const RO: SandboxPolicy = { mode: 'read-only', workspaceRoot: '/ws' } +const WW: SandboxPolicy = { mode: 'workspace-write', workspaceRoot: '/ws' } + +async function setup(config: Config = {}, internals: LocalSandboxProvider['internals'] = {}) { + const ctx = new Context() + await ctx.plugin(LocalSandboxProvider, config) + const sandbox = ctx.sandbox as LocalSandboxProvider + sandbox.internals = internals + return { ctx, sandbox } +} + +/** Write an executable fake `landlock-run` that answers `--probe` with `report`. */ +function fakeLauncher(report = 'landlock: fully enforced'): string { + const dir = mkdtempSync(join(tmpdir(), 'dsh-fake-landlock-')) + const launcher = join(dir, 'landlock-run') + writeFileSync(launcher, `#!/bin/sh\nif [ "$1" = "--probe" ]; then echo "${report}"; exit 0; fi\nexit 125\n`, { mode: 0o755 }) + return launcher +} + +/** Write an executable fake `sandbox-exec` that exits `status` for any invocation. */ +function fakeSeatbeltExec(status: number): string { + const dir = mkdtempSync(join(tmpdir(), 'dsh-fake-seatbelt-')) + const exec = join(dir, 'sandbox-exec') + writeFileSync(exec, `#!/bin/sh\nexit ${status}\n`, { mode: 0o755 }) + return exec +} + +/** The seatbelt read-only profile — every seatbelt profile starts with these forms. */ +const SEATBELT_RO_PROFILE = '(version 1) (allow default) (deny file-write*) (allow file-write* (literal "/dev/null"))' + +describe('profile dialects', () => { + it('bwrap read-only: whole tree read-only with fresh /dev and /proc, no writable mounts', () => { + expect(bwrapProfileArgs(RO)).toEqual(['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent']) + }) + + it('bwrap workspace-write: adds an ephemeral /tmp and rebinds the workspace root', () => { + expect(bwrapProfileArgs(WW)).toEqual([ + '--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent', + '--tmpfs', '/tmp', '--bind', '/ws', '/ws', + ]) + }) + + it('landlock read-only: readable tree plus a writable /dev/null, nothing else', () => { + // /dev/null specifically, NOT /dev: a whole-/dev grant would let confined + // commands write real host paths beneath it (/dev/shm) under read-only. + expect(landlockProfileArgs(RO)).toEqual(['--ro', '/', '--rw', '/dev/null']) + }) + + it('landlock workspace-write: adds the host /tmp and the workspace root', () => { + expect(landlockProfileArgs(WW)).toEqual(['--ro', '/', '--rw', '/dev/null', '--rw', '/tmp', '--rw', '/ws']) + }) + + it('seatbelt read-only: allow-default with every file write denied except the /dev/null literal', () => { + expect(seatbeltProfileArgs(RO)).toEqual(['-p', SEATBELT_RO_PROFILE]) + }) + + it('seatbelt workspace-write: one more allow for the canonicalized workspace root, /tmp, and the user temp dir', () => { + // `/ws` does not exist, so it is granted as spelled (the canonicalization + // fallback); `/tmp` and `os.tmpdir()` exist everywhere and are granted + // CANONICALIZED — Seatbelt matches resolved paths (`/tmp` IS + // `/private/tmp` on macOS), and both collapse to one grant on hosts + // where they resolve to the same directory. + const roots = [...new Set(['/ws', realpathSync('/tmp'), realpathSync(tmpdir())])] + const allow = `(allow file-write* ${roots.map(root => `(subpath "${root}")`).join(' ')})` + expect(seatbeltProfileArgs(WW)).toEqual(['-p', `${SEATBELT_RO_PROFILE} ${allow}`]) + }) + + it('seatbelt workspace-write dedups a workspace root that already IS the temp dir', () => { + const profile = seatbeltProfileArgs({ mode: 'workspace-write', workspaceRoot: tmpdir() })[1] as string + const grant = `(subpath "${realpathSync(tmpdir())}")` + expect(profile).toContain(grant) + expect(profile.split(grant)).toHaveLength(2) + }) +}) + +describe('runnerCommand config', () => { + it('a non-empty runnerCommand skips the chain: runner argv + bwrap-shaped profile + -- + caller argv, asserted full', async () => { + const probeBwrap = vi.fn(() => false) + const probeLandlock = vi.fn(() => 'unusable' as const) + const probeSeatbelt = vi.fn(() => false) + const { sandbox } = await setup({ runnerCommand: ['fake-runner', '--flag'] }, { probeBwrap, probeLandlock, probeSeatbelt }) + const confined = sandbox.confine(['bash', '-c', 'echo hi'], WW) + expect(confined).toEqual({ + argv: ['fake-runner', '--flag', ...bwrapProfileArgs(WW), '--', 'bash', '-c', 'echo hi'], + enforcement: 'full', + // An operator runner's kernel mechanism is unknown: both Linux + // file-denial dialects, never bare EPERM. + denialSignatures: ['read-only file system', 'permission denied'], + // The runner's own dialect is unknown, but the consumer re-joins the + // wrap through an outer `bash -c 'exec …'` — a missing or + // unexecutable runner fails with the OUTER shell's argv0-scoped + // shapes, and those classify as sandbox failures like any rung. + runnerFailureSignatures: [ + 'exec: fake-runner: not found', + 'fake-runner: No such file or directory', + 'fake-runner: Permission denied', + ], + }) + expect(probeBwrap).not.toHaveBeenCalled() + expect(probeLandlock).not.toHaveBeenCalled() + expect(probeSeatbelt).not.toHaveBeenCalled() + }) + + it('an EMPTY runnerCommand means unconfigured: the platform chain still gates the wrap', async () => { + const probeBwrap = vi.fn(() => false) + const { sandbox } = await setup({ runnerCommand: [] }, { platform: 'linux', probeBwrap, probeLandlock: () => 'unusable' }) + expect(() => sandbox.confine(['true'], RO)).toThrow(SandboxUnavailableError) + expect(probeBwrap).toHaveBeenCalledTimes(1) + }) +}) + +describe('the platform chains', () => { + it('linux probes bwrap first: a passing probe wraps with the bwrap dialect at full enforcement', async () => { + const probeBwrap = vi.fn(() => true) + const probeLandlock = vi.fn(() => 'full' as const) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap, probeLandlock }) + const confined = sandbox.confine(['true'], RO) + expect(confined).toEqual({ + argv: ['bwrap', ...bwrapProfileArgs(RO), '--', 'true'], + enforcement: 'full', + denialSignatures: ['read-only file system'], + runnerFailureSignatures: ['bwrap: '], + }) + expect(probeLandlock).not.toHaveBeenCalled() + }) + + it('linux falls back to the launcher when the bwrap probe fails, speaking the landlock dialect', async () => { + const probeBwrap = vi.fn(() => false) + const probeLandlock = vi.fn(() => 'full' as const) + const launcher = fakeLauncher() + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap, probeLandlock, landlockLauncher: launcher }) + const confined = sandbox.confine(['bash', '-c', 'echo hi'], WW) + expect(confined).toEqual({ + argv: [launcher, ...landlockProfileArgs(WW), '--', 'bash', '-c', 'echo hi'], + enforcement: 'full', + denialSignatures: ['permission denied'], + runnerFailureSignatures: ['landlock-run: '], + }) + expect(probeLandlock).toHaveBeenCalledWith(launcher) + }) + + it('darwin selects its sole candidate WITHOUT probing: nothing to arbitrate', async () => { + // The safety property moves to execution time: an unusable sandbox-exec + // refuses to run the command, and the wrap's runnerFailureSignatures let + // the consumer classify that as a sandbox failure, not a task failure. + const probeSeatbelt = vi.fn(() => true) + const { sandbox } = await setup({}, { platform: 'darwin', probeSeatbelt }) + const confined = sandbox.confine(['bash', '-c', 'echo hi'], RO) + expect(confined).toEqual({ + argv: ['sandbox-exec', ...seatbeltProfileArgs(RO), '--', 'bash', '-c', 'echo hi'], + enforcement: 'full', + denialSignatures: ['operation not permitted'], + runnerFailureSignatures: ['sandbox-exec: '], + }) + expect(probeSeatbelt).not.toHaveBeenCalled() + }) + + it('a platform with no chain fails closed without a single probe: the command never runs', async () => { + const probeBwrap = vi.fn(() => true) + const probeLandlock = vi.fn(() => 'full' as const) + const probeSeatbelt = vi.fn(() => true) + const { sandbox } = await setup({}, { platform: 'freebsd', probeBwrap, probeLandlock, probeSeatbelt }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ name: 'SandboxUnavailableError', code: SANDBOX_UNAVAILABLE })) + expect(probeBwrap).not.toHaveBeenCalled() + expect(probeLandlock).not.toHaveBeenCalled() + expect(probeSeatbelt).not.toHaveBeenCalled() + }) + + it('win32 is a reserved EMPTY chain: fails closed identically until a Windows runner fills it', async () => { + // The slot exists so Windows support is an additive fill-in (chain entry + // + runner union member), never a redesign — and reserving it must not + // weaken the fail-closed end in the meantime. + const { sandbox } = await setup({}, { platform: 'win32' }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) + + it('caches the verdict for the provider lifetime: one chain walk across wraps', async () => { + const probeBwrap = vi.fn(() => true) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap }) + sandbox.confine(['true'], RO) + sandbox.confine(['true'], WW) + expect(probeBwrap).toHaveBeenCalledTimes(1) + }) + + it('the unavailable verdict is cached too, and the error is structured', async () => { + const probeBwrap = vi.fn(() => false) + const probeLandlock = vi.fn(() => 'unusable' as const) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap, probeLandlock }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ name: 'SandboxUnavailableError', code: SANDBOX_UNAVAILABLE })) + expect(() => sandbox.confine(['true'], RO)).toThrow(SandboxUnavailableError) + expect(probeBwrap).toHaveBeenCalledTimes(1) + expect(probeLandlock).toHaveBeenCalledTimes(1) + }) + + it('a multi-rung chain probes a seatbelt rung like any other (the walk, not the platform table, decides)', async () => { + // The product chains reach seatbelt only as darwin's sole (unprobed) + // candidate; the chain seam exercises the probing path it would take in + // a grown chain, keeping the default seatbelt probe honest. + const exec = fakeSeatbeltExec(0) + const probeBwrap = vi.fn(() => false) + const { sandbox } = await setup({}, { chain: ['bwrap', 'seatbelt'], probeBwrap, seatbeltExec: exec }) + const confined = sandbox.confine(['true'], RO) + expect(confined.argv[0]).toBe(exec) + expect(confined.enforcement).toBe('full') + expect(probeBwrap).toHaveBeenCalledTimes(1) + }) + + it('a rogue chain entry throws via the probe walk\'s exhaustiveness guard (closed union)', async () => { + // Same convention as the wrap switch below: the union is closed, so a + // runner added later fails to compile at the probe switch instead of + // silently selecting without a probe. Only a cast can reach the guard. + const { sandbox } = await setup({}, { chain: ['chroot', 'bwrap'] as unknown as readonly ['bwrap'] }) + expect(() => sandbox.confine(['true'], RO)).toThrow('unreachable variant') + }) + + it('a rogue cached runner tag throws via the exhaustiveness guard (closed union)', async () => { + // The wrap switches on the chain verdict's runner tag and ends with + // assertNever: a rogue tag (only reachable by a cast — the union is + // closed and chainVerdict writes only its own literals) must throw, so a + // runner added later fails to compile at the switch instead of silently + // wrapping with another runner's dialect. + const { sandbox } = await setup() + ;(sandbox as unknown as { selectedRunner: unknown }).selectedRunner = { runner: 'chroot', enforcement: 'full' } + expect(() => sandbox.confine(['true'], RO)).toThrow('unreachable variant') + }) + + it('runs the real default probes on the linux chain when none are injected (usable here or fail closed there)', async () => { + // Pinning the platform (not the probes) makes the REAL defaultProbeBwrap + // spawn run on every host: bwrap answers on a Linux box, ENOENT reads as + // an unusable rung anywhere else — either way the walk is genuine. + const { sandbox } = await setup({}, { platform: 'linux' }) + const verdict = (() => { + try { + sandbox.confine(['true'], RO) + return 'usable' + } catch (error: unknown) { + if (error instanceof SandboxUnavailableError) return 'unavailable' + throw error + } + })() + expect(['usable', 'unavailable']).toContain(verdict) + }) + + it('walks the real platform chain when nothing is injected (usable here or fail closed there)', async () => { + const { sandbox } = await setup({}, {}) + const verdict = (() => { + try { + sandbox.confine(['true'], RO) + return 'usable' + } catch (error: unknown) { + if (error instanceof SandboxUnavailableError) return 'unavailable' + throw error + } + })() + expect(['usable', 'unavailable']).toContain(verdict) + }) +}) + +describe('the default landlock probe (launcher CLI contract)', () => { + it('parses a fully-enforced probe report as full enforcement', async () => { + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: fakeLauncher() }) + expect(sandbox.confine(['true'], RO).enforcement).toBe('full') + }) + + it('parses a partially-enforced (older-ABI) probe report as partial enforcement', async () => { + const launcher = fakeLauncher('landlock: partially enforced (older ABI)') + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }) + expect(sandbox.confine(['true'], RO).enforcement).toBe('partial') + }) + + it('reads a failing launcher as unusable: the chain ends and fails closed', async () => { + const dir = mkdtempSync(join(tmpdir(), 'dsh-fake-landlock-')) + const launcher = join(dir, 'landlock-run') + writeFileSync(launcher, '#!/bin/sh\nexit 125\n', { mode: 0o755 }) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) +}) + +describe('probeTimeoutMs config', () => { + it('rejects 0 at construction: Node treats a 0 spawnSync timeout as UNBOUNDED, the opposite of the field', async () => { + const ctx = new Context() + await expect(ctx.plugin(LocalSandboxProvider, { probeTimeoutMs: 0 })) + .rejects.toThrow(/probeTimeoutMs must be a positive finite number/) + }) + + it('bounds the default probes: a launcher slower than the configured timeout reads as unusable', async () => { + // The same sleeping launcher passes under the default 5000ms budget and + // fails under a 250ms one — the config demonstrably reaches spawnSync. + const dir = mkdtempSync(join(tmpdir(), 'dsh-slow-landlock-')) + const launcher = join(dir, 'landlock-run') + writeFileSync(launcher, '#!/bin/sh\nsleep 1\necho "landlock: fully enforced"\nexit 0\n', { mode: 0o755 }) + + const patient = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }) + expect(patient.sandbox.confine(['true'], RO).enforcement).toBe('full') + + const impatient = await setup( + { probeTimeoutMs: 250 }, + { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }, + ) + expect(() => impatient.sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) +}) + +describe('the default seatbelt probe (sandbox-exec contract)', () => { + // The product chains reach seatbelt only unprobed (darwin's sole + // candidate), so the default probe's contract is pinned through the chain + // seam: a grown chain must probe it like any other rung. + it('selects the rung when the executable applies the read-only profile and exits 0', async () => { + const exec = fakeSeatbeltExec(0) + const { sandbox } = await setup({}, { chain: ['bwrap', 'seatbelt'], probeBwrap: () => false, seatbeltExec: exec }) + const confined = sandbox.confine(['true'], RO) + expect(confined).toEqual({ + argv: [exec, ...seatbeltProfileArgs(RO), '--', 'true'], + enforcement: 'full', + denialSignatures: ['operation not permitted'], + runnerFailureSignatures: ['sandbox-exec: '], + }) + }) + + it('reads a failing executable as unusable: the chain ends and fails closed', async () => { + const { sandbox } = await setup({}, { chain: ['bwrap', 'seatbelt'], probeBwrap: () => false, seatbeltExec: fakeSeatbeltExec(1) }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/packed-install.e2e.ts b/packages/sandbox/sandbox-local/tests/packed-install.e2e.ts new file mode 100644 index 0000000000..9d0e8ade4f --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/packed-install.e2e.ts @@ -0,0 +1,173 @@ +import { spawnSync } from 'node:child_process' +import { accessSync, constants, existsSync, mkdtempSync, readFileSync, writeFileSync } from 'node:fs' +import { rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterAll, beforeAll, describe, expect, it } from 'vitest' + +/** + * KEYLESS publish-path rehearsal for this package's own distribution: the + * provider must work from its PACKED tarball plus its REGISTRY launcher + * dependency, not the git checkout. `pnpm pack` produces the EXACT bytes + * `pnpm publish` would upload; this suite packs the workspace closure + * (`dsh-sandbox-local` + its `@deepseek-ai` peers), installs the tarballs + * into a throwaway consumer OUTSIDE the repo — npm resolving the + * `node-addon-landlock-run` dependency (and its os/cpu-selected platform + * package) from the public registry, the real consumer path — and drives + * the INSTALLED packages under plain `node`: no tsx, no tsconfig paths, no + * workspace resolution, so a `files`-list omission, a broken launcher + * dependency, or a mode-stripped binary fails here instead of at the first + * real install. + * + * World-proofs: the registry-installed launcher carries this host's ELF + * architecture and IS executable (a tarball that loses the mode bit would + * otherwise masquerade as a non-enforcing kernel — the fail-closed branch + * below must never absorb that), and the installed provider confines a real + * process THROUGH it (bwrap forced off) — or fails closed when the running + * kernel does not enforce Landlock, which is itself the installed + * fail-closed contract. Byte provenance of the launcher is the + * `node-addon-landlock-run` repository's own release-pipeline concern. + * + * Self-skips off Linux or when the built `lib/` is absent (run + * `pnpm run build` first — CI's landlock legs do). + */ + +const packageDir = fileURLToPath(new URL('..', import.meta.url)) +const repoRoot = fileURLToPath(new URL('../../../..', import.meta.url)) + +/** The closure the consumer needs: the package and its transitive `@deepseek-ai` peers; the launcher family arrives from the registry. */ +const WORKSPACE_CLOSURE = [ + 'packages/sandbox/sandbox-local', + 'packages/sandbox/sandbox', + 'packages/llm/llm', + 'packages/util/brand', +] + +/** ELF `e_machine` (offset 18, LE) for this host: x86-64 = 62, AArch64 = 183. */ +const E_MACHINE = { x64: 62, arm64: 183 }[process.arch as 'x64' | 'arm64'] + +const packable = process.platform === 'linux' + && E_MACHINE !== undefined + && existsSync(join(packageDir, 'lib', 'index.js')) + +let consumerDir = '' +let workDir = '' +/** The consumer script's JSON verdict (see its source below). */ +let verdict: { + launcher: string + launcherExists: boolean + enforcing: boolean + wrapArgv0?: string + enforcement?: string + exitCode?: number | null + stderrHasDialect?: boolean + confineOutcome?: string +} = { launcher: '', launcherExists: false, enforcing: false } + +describe.skipIf(!packable)('sandbox-local: packed-tarball distribution (publish-path rehearsal)', () => { + beforeAll(async () => { + const packDest = mkdtempSync(join(tmpdir(), 'dsh-pack-')) + consumerDir = mkdtempSync(join(tmpdir(), 'dsh-packed-consumer-')) + workDir = mkdtempSync(join(tmpdir(), 'dsh-packed-work-')) + + // Pack each closure member with the exact bytes publish would upload. + const tarballs: string[] = [] + for (const pkg of WORKSPACE_CLOSURE) { + const pack = spawnSync('pnpm', ['pack', '--pack-destination', packDest], { + cwd: join(repoRoot, pkg), + encoding: 'utf8', + timeout: 120_000, + }) + expect(pack.status, `pnpm pack failed for ${pkg}:\n${pack.stdout}\n${pack.stderr}`).toBe(0) + const lines = pack.stdout.trim().split('\n') + tarballs.push(lines[lines.length - 1] as string) + } + + // A real consumer: plain ESM project, tarballs installed by npm — the + // peer ranges (^0.0.1) resolve to the tarball versions, cordis pins to + // the peer range's rc, and `node-addon-landlock-run` (with its + // os/cpu-selected platform package, an OPTIONAL dependency of the entry + // — so no `--omit=optional` here) comes from the public registry. + writeFileSync(join(consumerDir, 'package.json'), JSON.stringify({ name: 'dsh-packed-consumer', private: true, type: 'module' })) + const install = spawnSync('npm', ['install', '--no-audit', '--no-fund', ...tarballs, 'cordis@4.0.0-rc.6'], { + cwd: consumerDir, + encoding: 'utf8', + timeout: 300_000, + }) + expect(install.status, `npm install failed:\n${install.stdout}\n${install.stderr}`).toBe(0) + + // The consumer script runs under PLAIN node against the installed + // packages and reports a JSON verdict; every assertion happens back in + // the test. bwrap is forced off so the wrap must select the INSTALLED + // launcher; a non-enforcing kernel must surface the fail-closed error. + writeFileSync(join(consumerDir, 'consumer.mjs'), ` + import { spawnSync } from 'node:child_process' + import { existsSync } from 'node:fs' + import { Context } from 'cordis' + import { launcherPath } from 'node-addon-landlock-run' + import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' + const ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + const sandbox = ctx.sandbox + sandbox.internals = { probeBwrap: () => false } + const launcher = launcherPath() + const probe = spawnSync(launcher, ['--probe'], { encoding: 'utf8', timeout: 5000 }) + const out = { launcher, launcherExists: existsSync(launcher), enforcing: probe.status === 0 } + const workdir = process.argv[2] + if (out.enforcing) { + const confined = sandbox.confine(['bash', '-c', \`echo hi > \${workdir}/denied.txt\`], { mode: 'read-only', workspaceRoot: workdir }) + out.wrapArgv0 = confined.argv[0] + out.enforcement = confined.enforcement + const run = spawnSync(confined.argv[0], confined.argv.slice(1), { encoding: 'utf8', timeout: 30000 }) + out.exitCode = run.status + out.stderrHasDialect = /permission denied/i.test(run.stderr) + } else { + try { + sandbox.confine(['true'], { mode: 'read-only', workspaceRoot: workdir }) + out.confineOutcome = 'wrapped' + } catch (error) { + out.confineOutcome = error?.code === 'SANDBOX_UNAVAILABLE' ? 'fail-closed' : String(error) + } + } + console.log(JSON.stringify(out)) + `) + const consumer = spawnSync('node', ['consumer.mjs', workDir], { cwd: consumerDir, encoding: 'utf8', timeout: 60_000 }) + expect(consumer.status, `consumer script failed:\n${consumer.stdout}\n${consumer.stderr}`).toBe(0) + verdict = JSON.parse(consumer.stdout.trim().split('\n').pop() as string) as typeof verdict + }, 480_000) + + afterAll(async () => { + await Promise.all([consumerDir, workDir].filter(Boolean).map(dir => rm(dir, { recursive: true, force: true }))) + }) + + it('installs the registry launcher for this host: present, EXECUTABLE, right ELF arch', () => { + const installed = join(consumerDir, 'node_modules', `node-addon-landlock-run-linux-${process.arch}`, 'bin', 'landlock-run') + expect(existsSync(installed), 'platform package missing from the installed tree').toBe(true) + // A tarball or extraction step that strips the mode bit would leave the + // probe failing exactly like a non-enforcing kernel — assert it apart. + expect(() => { accessSync(installed, constants.X_OK) }, 'installed launcher is not executable').not.toThrow() + expect(readFileSync(installed).readUInt16LE(18), 'ELF e_machine').toBe(E_MACHINE) + }) + + it('the installed provider resolves the launcher INSIDE the consumer node_modules platform package', () => { + expect(verdict.launcher) + .toBe(join(consumerDir, 'node_modules', `node-addon-landlock-run-linux-${process.arch}`, 'bin', 'landlock-run')) + }) + + it('confines through the installed launcher (enforcing kernel) or fails closed (non-enforcing) — never unconfined', async () => { + // Fail-closed is only the acceptable outcome when the installed binary + // IS present and executable and the kernel merely does not enforce — + // the first test pins that apart, so nothing hides behind this branch. + expect(verdict.launcherExists, 'installed launcher missing').toBe(true) + if (verdict.enforcing) { + expect(verdict.wrapArgv0).toBe(verdict.launcher) + expect(['full', 'partial']).toContain(verdict.enforcement) + expect(verdict.exitCode).not.toBe(0) + expect(verdict.stderrHasDialect, 'kernel denial text must match the advertised dialect').toBe(true) + expect(existsSync(join(workDir, 'denied.txt'))).toBe(false) + } else { + expect(verdict.confineOutcome).toBe('fail-closed') + } + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/seatbelt.e2e.ts b/packages/sandbox/sandbox-local/tests/seatbelt.e2e.ts new file mode 100644 index 0000000000..7136e4e524 --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/seatbelt.e2e.ts @@ -0,0 +1,120 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { LocalSandboxProvider, seatbeltProfileArgs } from '@deepseek-ai/dsh-sandbox-local' + +/** + * KEYLESS Seatbelt integration proof for the BACKEND: the REAL macOS + * `sandbox-exec` confining REAL processes through `confine()` + a direct + * spawn of the returned argv, with the Linux rungs forced off so the ladder + * lands on Seatbelt. Verifies the WORLD (files exist or don't) and that the + * kernel's denial text matches the dialect the wrap advertises; the + * through-`ctx.bash` consumer proof lives with `@deepseek-ai/dsh-bash-sandbox`. + * + * Self-skips wherever the functional probe fails — every non-macOS host, or + * a macOS whose `sandbox-exec` refuses the profile. + * + * Workspaces for the workspace-write tests live under the HOME directory on + * purpose: `workspace-write` grants `/tmp` and the per-user temp dir + * wholesale (the documented Seatbelt-profile temp areas), so only a + * workspace OUTSIDE both proves the workspace-root grant itself. + */ + +const probe = spawnSync('sandbox-exec', [...seatbeltProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const seatbeltUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise { + const dir = await mkdtemp(join(base, 'dsh-seatbelt-e2e-')) + tempDirs.push(dir) + return dir +} + +async function provider(): Promise { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + const sandbox = ctx.sandbox as LocalSandboxProvider + sandbox.internals = { probeBwrap: () => false, probeLandlock: () => 'unusable' } + return sandbox +} + +/** Confine a shell command under `policy` and run it for real; returns the spawn result and the wrap's facts. */ +function runConfined(sandbox: LocalSandboxProvider, command: string, policy: SandboxPolicy) { + const confined = sandbox.confine(['bash', '-c', command], policy) + const result = spawnSync(confined.argv[0] as string, confined.argv.slice(1), { timeout: 30_000, encoding: 'utf8' }) + return { result, confined } +} + +describe.skipIf(!seatbeltUsable)('sandbox-local: real Seatbelt confinement through sandbox-exec', () => { + it('read-only denies a write — the file must NOT exist, and the kernel speaks the advertised dialect', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result, confined } = runConfined(sandbox, `echo hi > ${workdir}/denied.txt`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + expect(confined.enforcement).toBe('full') + // The wrap's denialSignatures must be what the kernel actually prints. + expect(result.stderr.toLowerCase()).toContain('operation not permitted') + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('read-only keeps the tree readable/executable and /dev/null writable', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, 'ls / > /dev/null && echo dev-ok', { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('dev-ok\n') + }) + + it('read-only grants no temp area: a write under the user temp dir is denied too', async () => { + // The per-user darwin temp dir is a workspace-write grant, not a + // read-only one — under read-only the only write-shaped path is /dev/null. + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const target = join(workdir, 'tmp-denied.txt') + const { result } = runConfined(sandbox, `echo hi > ${target}`, { mode: 'read-only', workspaceRoot: await tempDir(homedir()) }) + expect(result.status).not.toBe(0) + expect(existsSync(target)).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const sandbox = await provider() + + const inside = runConfined(sandbox, `printf seatbelt-ok > ${workdir}/allowed.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(inside.result.status).toBe(0) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('seatbelt-ok') + + const denied = runConfined(sandbox, `echo hi > ${outside}/denied.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(denied.result.status).not.toBe(0) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('workspace-write grants /tmp and the user temp dir (the documented Seatbelt-profile temp areas)', async () => { + const workdir = await tempDir(homedir()) + const hostTmp = await tempDir('/tmp') + const userTmp = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined( + sandbox, + `printf tmp-ok > ${hostTmp}/scratch.txt && printf user-tmp-ok > ${userTmp}/scratch.txt`, + { mode: 'workspace-write', workspaceRoot: workdir }, + ) + expect(result.status).toBe(0) + expect(readFileSync(join(hostTmp, 'scratch.txt'), 'utf8')).toBe('tmp-ok') + expect(readFileSync(join(userTmp, 'scratch.txt'), 'utf8')).toBe('user-tmp-ok') + }) +}) diff --git a/packages/sandbox/sandbox-local/tsconfig.json b/packages/sandbox/sandbox-local/tsconfig.json new file mode 100644 index 0000000000..c756b6af69 --- /dev/null +++ b/packages/sandbox/sandbox-local/tsconfig.json @@ -0,0 +1,27 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../sandbox" + } + ] +} diff --git a/packages/sandbox/sandbox/README.md b/packages/sandbox/sandbox/README.md new file mode 100644 index 0000000000..c63b9da5de --- /dev/null +++ b/packages/sandbox/sandbox/README.md @@ -0,0 +1,11 @@ +# @deepseek-ai/dsh-sandbox + +Abstract process-sandbox seam. Owns the `ctx.sandbox` service contract ([`SandboxProvider`](src/index.ts)) and the confinement vocabulary the harness shares: `SandboxMode` (`read-only` / `workspace-write` / `danger-full-access`, file effects only), `SandboxEnforcement` (`full` / `partial`, per kernel ABI), `SandboxPolicy` (per-CALL policy — mode + workspace root), and the fail-closed `SANDBOX_UNAVAILABLE` error. Interface package of the [capability-seam split](../../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md): depends only on cordis (+ the harness error base), never on a backend. + +The contract in one line: `ctx.sandbox.confine(argv, policy)` returns the argv to spawn INSTEAD of your own — wrapped so the process (and everything it spawns) runs confined — plus two facts about the selected backend: the enforcement completeness it achieves and its denial dialect (`denialSignatures`, the stderr substrings its kernel prints on a denied file effect — what stderr-inferring consumers match instead of a cross-backend union); when no backend is usable it throws rather than passing the argv through unconfined. + +Policy rides the call, not the provider: two consumers may confine under different policies at the same instant (bash under `read-only` while a confined child agent keeps its state directory writable), and an approved escalated retry is just a new call with a wider policy. + +**Same-world confinement only.** A backend shares the host's filesystem and kernel (`bwrap`, Landlock, Seatbelt); `workspaceRoot` names a real host path. Containers, microVMs, and remote executors are NOT backends of this seam — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups. The boundary and its rationale: [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md). + +Implementations: [`@deepseek-ai/dsh-sandbox-local`](../sandbox-local/) (Linux: `bwrap`, else the per-platform Landlock launcher; macOS: `sandbox-exec`/Seatbelt). The staged first consumer is the sandboxed bash executor (wrapping `['bash', '-c', command]`). diff --git a/packages/sandbox/sandbox/package.json b/packages/sandbox/sandbox/package.json new file mode 100644 index 0000000000..b37ef714ea --- /dev/null +++ b/packages/sandbox/sandbox/package.json @@ -0,0 +1,32 @@ +{ + "name": "@deepseek-ai/dsh-sandbox", + "description": "Abstract process-sandbox seam (ctx.sandbox) for the DeepSeek Harness: same-world confinement vocabulary and the SandboxProvider contract", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-llm": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-llm": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/sandbox/sandbox/src/index.ts b/packages/sandbox/sandbox/src/index.ts new file mode 100644 index 0000000000..43ee8f3d16 --- /dev/null +++ b/packages/sandbox/sandbox/src/index.ts @@ -0,0 +1,199 @@ +/** + * The process-sandbox seam (`ctx.sandbox`): an abstract service defining WHAT + * platform confinement does — wrap a subprocess argv so it executes under a + * file-effect policy — without saying HOW. Implementations subclass + * {@link SandboxProvider} and register as the `sandbox` service; + * `@deepseek-ai/dsh-sandbox-local` (per-platform chains: Linux `bwrap` then the + * npm-distributed `landlock-run` launcher, macOS `sandbox-exec`/Seatbelt) is + * the first. + * Consumers hand over the exact argv they are about to spawn + * (the staged bash executor wraps `['bash', '-c', command]`; a + * subagent backend wraps its child-agent argv) and spawn the returned argv + * instead. + * + * The seam confines SAME-WORLD subprocesses only: a backend shares the + * host's filesystem and kernel, and the policy's `workspaceRoot` names a + * real host path. Containers, microVMs, and remote executors are NOT + * backends of this seam — they are sibling implementations of whole + * capability seams (`ctx.bash`, `ctx.fs`), deployed as environment-coherent + * groups; the boundary is recorded in + * docs/rfc/proposed/feature/2026-07-06-sandbox.md. + * + * @module @deepseek-ai/dsh-sandbox + */ + +import { Context, Service } from 'cordis' +import { HarnessError } from '@deepseek-ai/dsh-llm' + +/** + * File-effect policy a sandbox backend enforces on confined processes. + * + * - `read-only` — the process cannot write the filesystem anywhere; a + * write-shaped `/dev/null` sink stays available so `>/dev/null` redirects + * keep working (HOW is the backend's choice: bwrap mounts a fresh `/dev`, + * the Landlock launcher and Seatbelt grant the single `/dev/null` node). + * - `workspace-write` — writes are allowed only under the policy's + * workspace root and `/tmp`; everything else stays read-only. Which `/tmp` + * is backend-specific — an ephemeral mount under bwrap, the HOST `/tmp` + * under the Landlock launcher, the host `/private/tmp` plus the per-user + * darwin temp dir under Seatbelt: the seam promises the write boundary, + * not the mount's nature. + * - `danger-full-access` — no confinement; a consumer configured with it + * spawns its argv unwrapped and never calls the provider. + * + * The mode governs FILE effects only: network and process visibility are not + * restricted (a backend that cannot honestly enforce them must not pretend + * to). How completely the file effects themselves are enforced is likewise a + * reported fact, not an assumption — see {@link SandboxEnforcement}. + */ +export type SandboxMode = 'read-only' | 'workspace-write' | 'danger-full-access' + +/** A confining (non-`danger-full-access`) mode — the modes a {@link SandboxPolicy} can carry. */ +export type ConfinedSandboxMode = Exclude + +/** + * How completely the selected backend enforces a confined mode's file + * effects. + * + * - `full` — every file effect the mode promises to block is governed: the + * `bwrap` mount profile, a Landlock kernel enforcing the launcher's whole + * ruleset, or an operator-configured runner (configuring one asserts full + * enforcement along with existence). + * - `partial` — the backend is active but the kernel governs only the subset + * of accesses its ABI knows (an older Landlock ABI: path-based truncate is + * ungoverned before ABI v3), so a file effect the mode promises to block + * may still land. A caller that needs the mode's promise to be absolute + * must treat `partial` as outside that promise. + */ +export type SandboxEnforcement = 'full' | 'partial' + +/** + * What one confined execution is allowed to touch — carried PER CALL, not + * fixed on the provider: two consumers may confine under different policies + * at the same instant (bash under `read-only` while a confined child agent + * needs its state directory writable), and an approved escalated retry is a + * new call with a wider policy. Defaulting/resolution is the consumer's + * explicit step (its config owns the fallback chain); the provider treats + * the policy as fully specified. + */ +export interface SandboxPolicy { + /** The file-effect mode this execution runs under. */ + mode: ConfinedSandboxMode + /** Absolute root directory `workspace-write` may write under. */ + workspaceRoot: string +} + +/** + * A {@link SandboxProvider.confine} result: the argv to spawn in place of + * the caller's own, plus the enforcement completeness the selected backend + * achieves for it. + */ +export interface ConfinedArgv { + /** The wrapped argv (runner, profile, separator, then the caller's argv). */ + argv: string[] + /** How completely the selected backend enforces the policy's file effects. */ + enforcement: SandboxEnforcement + /** + * The selected backend's denial DIALECT: the case-insensitive stderr + * substrings a file effect denied by THIS backend produces (EROFS text + * under bwrap's read-only binds, EACCES under Landlock, EPERM under + * Seatbelt). A consumer that infers denials from a failed run's stderr + * matches against exactly these rather than a cross-backend union — the + * union claims denials a given backend never produces. + */ + denialSignatures: readonly string[] + /** + * How the RUNNER ITSELF failing identifies itself: case-insensitive stderr + * substrings produced when the sandbox binary is missing, refuses its + * profile, or fails closed before exec'ing the command (`bwrap: `, + * `landlock-run: `, `sandbox-exec: ` — each covers both the runner's own + * error prefix and the shell's runner-not-found message). ORTHOGONAL to + * {@link denialSignatures}: a denial is the confined COMMAND being blocked + * (the sandbox working as designed); a runner failure means the command + * NEVER RAN and must surface as a sandbox failure, not a task failure — + * consumers check these signatures FIRST (a runner's own error text may + * contain denial words, e.g. an unopenable grant root reporting + * `Permission denied`). + */ + runnerFailureSignatures: readonly string[] +} + +/** + * Error `code` carried by the infrastructure error a provider throws when a + * confined policy is requested but no backend is available or usable on this + * host: confinement FAILS CLOSED (refuses to run) rather than silently + * executing unconfined. Thrown as a `HarnessError`, it reaches the model + * through the structured `{ name, code }` error channel on `tool/result`, so + * callers can distinguish "the sandbox is missing" from a failing command. + */ +export const SANDBOX_UNAVAILABLE = 'SANDBOX_UNAVAILABLE' + +/** + * Thrown by {@link SandboxProvider.confine} when a confined policy is + * requested but no backend is usable on this host: confinement fails closed. + * Carries the {@link SANDBOX_UNAVAILABLE} code through the structured + * `{ name, code }` error channel. + */ +export class SandboxUnavailableError extends HarnessError { + constructor(mode: ConfinedSandboxMode, detail?: string) { + super( + `sandbox mode "${mode}" is requested but no sandbox backend is usable on this host; ` + + 'refusing to run the command unconfined. Install bubblewrap or run a Landlock-enforcing ' + + 'kernel (Linux), ensure sandbox-exec is usable (macOS) — Windows has no confinement ' + + 'backend yet — or switch the consumer to danger-full-access.' + + (detail === undefined ? '' : ` Runner failure: ${detail}`), + SANDBOX_UNAVAILABLE, + ) + this.name = 'SandboxUnavailableError' + } +} + +declare module 'cordis' { + interface Context { + sandbox: SandboxProvider + } +} + +/** + * Abstract process-sandbox service. Subclass, implement {@link confine}, and + * load the subclass as a plugin — it registers as `ctx.sandbox` (one + * implementation per context; loading a second throws, cordis' standard + * duplicate-service behavior). + * + * Semantics every implementation must honor: + * - {@link confine} either returns an argv whose runner ENFORCES the policy + * or fails closed — at `confine` time with {@link SandboxUnavailableError} + * (no backend for this host), or at EXECUTION time by the runner itself + * refusing to run the command (exiting without exec'ing it, identified by + * {@link ConfinedArgv.runnerFailureSignatures}). A silent unconfined + * passthrough is never a legal outcome on either path. + * - Probing exists to ARBITRATE between multiple candidate backends and may + * be skipped when a platform has exactly one: the sole candidate is + * selected directly and the runner's exec-time fail-closed refusal carries + * the safety property. When probing does run, it is functional (actually + * enforcing a profile, not a version check), at most once per provider + * lifetime; `confine` itself spawns nothing beyond that one-time probing. + * - The returned {@link ConfinedArgv.enforcement} states the backend's + * actual completeness for THIS host; `partial` is reported, never silently + * upgraded to `full`. + */ +export abstract class SandboxProvider extends Service { + constructor(ctx: Context) { + super(ctx, 'sandbox') + } + + /** + * Wrap `argv` so it executes confined under `policy` on this host; the + * caller spawns the returned argv in place of its own. + * @param argv - the exact argv the caller is about to spawn (program plus + * arguments), NOT a shell string — a shell-shaped consumer passes + * `['bash', '-c', command]`. + * @param policy - the file-effect policy this execution runs under, + * carried per call (see {@link SandboxPolicy}). + * @returns the argv to spawn instead, plus the enforcement completeness + * the selected backend achieves for it. + */ + abstract confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv +} + +export default SandboxProvider diff --git a/packages/sandbox/sandbox/tests/vocabulary.spec.ts b/packages/sandbox/sandbox/tests/vocabulary.spec.ts new file mode 100644 index 0000000000..caba42b2a7 --- /dev/null +++ b/packages/sandbox/sandbox/tests/vocabulary.spec.ts @@ -0,0 +1,35 @@ +/** + * Vocabulary-contract tests for the sandbox seam: the fail-closed error's + * structured identity is what tool results and consumers key on, so its + * shape is pinned here, next to the vocabulary that owns it. Provider + * behavior is each implementation's suite (`dsh-sandbox-local`); consumer + * behavior is each consumer's (`dsh-bash-sandbox`). + */ + +import { describe, expect, it } from 'vitest' +import { SANDBOX_UNAVAILABLE, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' + +describe('SandboxUnavailableError', () => { + it('carries the structured { name, code } identity consumers key on', () => { + const error = new SandboxUnavailableError('read-only') + expect(error.name).toBe('SandboxUnavailableError') + expect(error.code).toBe(SANDBOX_UNAVAILABLE) + expect(error).toBeInstanceOf(Error) + }) + + it('names the refused mode and the operator escape hatches in its message', () => { + const error = new SandboxUnavailableError('workspace-write') + expect(error.message).toContain('"workspace-write"') + expect(error.message).toContain('danger-full-access') + expect(error.message).not.toContain('Runner failure') + }) + + it('carries the runner detail when the failure is discovered at execution time', () => { + // The late twin of the confine-time throw: an unprobed sole candidate + // that fails closed at exec surfaces the SAME error, with the runner's + // own first stderr line as the cause. + const error = new SandboxUnavailableError('read-only', 'landlock-run: landlock is not enforced by this kernel') + expect(error.code).toBe(SANDBOX_UNAVAILABLE) + expect(error.message).toContain('Runner failure: landlock-run: landlock is not enforced by this kernel') + }) +}) diff --git a/packages/sandbox/sandbox/tsconfig.json b/packages/sandbox/sandbox/tsconfig.json new file mode 100644 index 0000000000..9f687793d7 --- /dev/null +++ b/packages/sandbox/sandbox/tsconfig.json @@ -0,0 +1,21 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../llm/llm" + } + ] +} diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index bef41d9bdf..27302831d6 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -626,6 +626,34 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/sandbox/sandbox: + devDependencies: + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/sandbox/sandbox-local: + dependencies: + node-addon-landlock-run: + specifier: 0.0.0-test.0 + version: 0.0.0-test.0 + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../sandbox + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/session-persistence/session-persistence: devDependencies: '@deepseek-ai/dsh-session': @@ -3780,6 +3808,22 @@ packages: natural-compare@1.4.0: resolution: {integrity: sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==} + node-addon-landlock-run-linux-arm64@0.0.0-test.0: + resolution: {integrity: sha512-oJsXcC33qKl9mWYx0n9YPJ2pUAoY39PoIX0Gx4lDrSCTEvENFrEaODAsQYNY+eEGpn9YMN7E+FOftvea3/1FqQ==} + engines: {node: '>=20'} + cpu: [arm64] + os: [linux] + + node-addon-landlock-run-linux-x64@0.0.0-test.0: + resolution: {integrity: sha512-eXvdfnH/UV55MTZzroKvM3CD68SP5OlCsuth908YOcJOnn0LPD5KJjmBz6ToDlBYjF52NNK62+g7TvmUWjbKWQ==} + engines: {node: '>=20'} + cpu: [x64] + os: [linux] + + node-addon-landlock-run@0.0.0-test.0: + resolution: {integrity: sha512-c5qopltRonjW6+VinXYMp4FVi9Sxf8eQEb/9G82EksQQ+JC4CDprv+ko5URWmtyZ3wD4GFdeRTyw1AG5yCwJhQ==} + engines: {node: '>=20'} + node-domexception@1.0.0: resolution: {integrity: sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==} engines: {node: '>=10.5.0'} @@ -6786,6 +6830,17 @@ snapshots: natural-compare@1.4.0: {} + node-addon-landlock-run-linux-arm64@0.0.0-test.0: + optional: true + + node-addon-landlock-run-linux-x64@0.0.0-test.0: + optional: true + + node-addon-landlock-run@0.0.0-test.0: + optionalDependencies: + node-addon-landlock-run-linux-arm64: 0.0.0-test.0 + node-addon-landlock-run-linux-x64: 0.0.0-test.0 + node-domexception@1.0.0: {} node-fetch@3.3.2: diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml index b2b731fc58..6407a99f52 100644 --- a/pnpm-workspace.yaml +++ b/pnpm-workspace.yaml @@ -19,3 +19,12 @@ allowBuilds: # need, so we deny them — install still succeeds. '@google/genai': false protobufjs: false + +# The Landlock launcher family is our own sibling-repo release, consumed +# fresh (hours old at each coordinated bump) — the release-age quarantine +# would block every such bump, so the family is exempted BY NAME, not by +# pinned version. +minimumReleaseAgeExclude: + - node-addon-landlock-run + - node-addon-landlock-run-linux-arm64 + - node-addon-landlock-run-linux-x64 diff --git a/scripts/doc-budgets.manifest.json b/scripts/doc-budgets.manifest.json index a5261698a2..52f563b86d 100644 --- a/scripts/doc-budgets.manifest.json +++ b/scripts/doc-budgets.manifest.json @@ -7,5 +7,5 @@ "docs/testing.md": 800, "examples/AGENTS.md": 653, "packages/AGENTS.md": 450, - "packages/README.md": 660 + "packages/README.md": 710 } diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index be6d8b7121..dd6c6fb67d 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -70,6 +70,7 @@ const GROUP_ORDER = [ 'llm', 'core', 'bash', + 'sandbox', 'fs', 'compact', 'subagent', @@ -159,6 +160,15 @@ const SERVICE_ROLES: ServiceRole[] = [ consumers: ['tool-bash', 'hooks-claude', 'hooks-codex'], note: 'The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local.', }, + { + key: 'sandbox', + pkg: 'sandbox', + title: 'Process-sandbox seam', + mode: 'seam', + implementations: ['sandbox-local'], + consumers: [], + note: 'Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement.', + }, { key: 'approval', pkg: 'approval', diff --git a/tsconfig.base.json b/tsconfig.base.json index b6d0281f81..80becb532c 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -42,6 +42,7 @@ "@deepseek-ai/dsh-*": [ "./packages/approval/*/src", "./packages/core/*/src", + "./packages/sandbox/*/src", "./packages/llm/*/src", "./packages/bash/*/src", "./packages/code-runtime/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index 2033218d01..c6c814c221 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -19,6 +19,8 @@ { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, { "path": "./packages/approval/approval" }, + { "path": "./packages/sandbox/sandbox" }, + { "path": "./packages/sandbox/sandbox-local" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, diff --git a/tsconfig.json b/tsconfig.json index af8badd19f..cd458490f7 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -30,6 +30,8 @@ { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, { "path": "./packages/approval/approval" }, + { "path": "./packages/sandbox/sandbox" }, + { "path": "./packages/sandbox/sandbox-local" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, diff --git a/tsdown.config.ts b/tsdown.config.ts index 7b172180d1..9479c5c91d 100644 --- a/tsdown.config.ts +++ b/tsdown.config.ts @@ -12,7 +12,8 @@ import { defineConfig } from 'tsdown' export default defineConfig({ // Explicit globs: `workspace: true` would also discover examples (any // package.json), but only vendor and the packages hierarchy are pnpm - // workspaces. + // workspaces. The Landlock launcher platform packages ship a prebuilt + // native binary and no JavaScript — nothing to bundle. workspace: ['vendor/*', 'packages/*/*'], entry: ['lib/types/index.js'], outDir: 'lib', From 2eed448acfb457c547771141cc3aed788442e703 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 16:05:44 +0800 Subject: [PATCH 73/90] =?UTF-8?q?feat(bash):=20the=20sandboxed=20executor?= =?UTF-8?q?=20=E2=80=94=20per-call=20policy=20carrier,=20denial=20facts,?= =?UTF-8?q?=20runner-failure=20classification?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit dsh-bash grows the per-call policy carrier: BashExecRequest.sandboxMode (request-optional, spec required-but-nullable — the owner pattern; resolve() is the one explicit defaulting step) and the BashExecutor.sandboxMode capability fact (undefined in the base class — composition truth the tool layer can read). dsh-bash-local carries the field verbatim and confines nothing. dsh-bash-sandbox extends LocalBashExecutor and hands ctx.sandbox the exact argv it is about to spawn. A denial is a RESULT FACT (the command RAN; result.sandbox.denied is orthogonal to exitCode/signal), classified conservatively against the wrap own dialect; a RUNNER failure outranks denial — foreground re-throws the structured SANDBOX_UNAVAILABLE, a settled background task stamps sandbox.runnerFailed — so a broken sandbox never reads as a failing command and the command never runs unconfined. dsh-tool-bash renders the markers and teaches the model not to retry around a policy denial; escalation and per-session switching are staged follow-ups. --- docs/capability-seams.md | 7 +- docs/config-catalog.md | 27 ++ docs/cordis-catalog/services.md | 2 +- docs/core-data-structures/bash.md | 89 ++++- docs/module-graph.md | 26 +- docs/tool-catalog.md | 2 +- .../snapshots/both-mode-turn/session.jsonl | 2 +- .../snapshots/code-mode-turn/session.jsonl | 2 +- .../tests/snapshots/text-turn/session.jsonl | 2 +- knip.json | 4 + packages/bash/README.md | 7 +- packages/bash/bash-local/README.md | 2 +- packages/bash/bash-local/src/index.ts | 16 + packages/bash/bash-sandbox/README.md | 33 ++ packages/bash/bash-sandbox/package.json | 41 +++ packages/bash/bash-sandbox/src/index.ts | 305 ++++++++++++++++ packages/bash/bash-sandbox/tests/bwrap.e2e.ts | 101 ++++++ .../bash/bash-sandbox/tests/landlock.e2e.ts | 100 ++++++ .../bash/bash-sandbox/tests/sandbox.spec.ts | 327 ++++++++++++++++++ .../bash/bash-sandbox/tests/seatbelt.e2e.ts | 101 ++++++ packages/bash/bash-sandbox/tsconfig.json | 36 ++ packages/bash/bash/README.md | 10 +- packages/bash/bash/package.json | 4 + packages/bash/bash/src/index.ts | 17 + packages/bash/bash/src/types.ts | 83 +++++ packages/bash/bash/tests/service.spec.ts | 6 + packages/bash/bash/tsconfig.json | 6 + packages/bash/tool-bash/README.md | 15 +- packages/bash/tool-bash/package.json | 5 +- packages/bash/tool-bash/src/index.ts | 31 +- packages/bash/tool-bash/tests/tools.spec.ts | 99 +++++- packages/bash/tool-bash/tsconfig.json | 9 + .../hooks/hook-protocol/tests/runner.spec.ts | 1 + pnpm-lock.yaml | 41 ++- scripts/gen-doc-graphs.ts | 6 +- scripts/type-equiv.manifest.json | 2 + tsconfig.build.json | 1 + tsconfig.json | 1 + 38 files changed, 1529 insertions(+), 40 deletions(-) create mode 100644 packages/bash/bash-sandbox/README.md create mode 100644 packages/bash/bash-sandbox/package.json create mode 100644 packages/bash/bash-sandbox/src/index.ts create mode 100644 packages/bash/bash-sandbox/tests/bwrap.e2e.ts create mode 100644 packages/bash/bash-sandbox/tests/landlock.e2e.ts create mode 100644 packages/bash/bash-sandbox/tests/sandbox.spec.ts create mode 100644 packages/bash/bash-sandbox/tests/seatbelt.e2e.ts create mode 100644 packages/bash/bash-sandbox/tsconfig.json diff --git a/docs/capability-seams.md b/docs/capability-seams.md index 8dac9fbfd6..703226a968 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -44,6 +44,7 @@ flowchart LR pkg_bash["bash"] svc_bash["ctx.bash
Bash executor seam"] pkg_bash_local["bash-local"] + pkg_bash_sandbox["bash-sandbox"] pkg_hooks_claude["hooks-claude"] pkg_hooks_codex["hooks-codex"] pkg_sandbox["sandbox"] @@ -83,6 +84,7 @@ flowchart LR pkg_approval --> svc_approval pkg_bash --> svc_bash pkg_bash_local --> svc_bash + pkg_bash_sandbox --> svc_bash pkg_code_runtime --> svc_codeRuntime pkg_code_runtime_worker --> svc_codeRuntime pkg_compact --> svc_compact @@ -130,6 +132,7 @@ flowchart LR svc_fs --> pkg_tool_fs svc_llm --> pkg_agent_loop svc_llm --> pkg_compact_basic + svc_sandbox --> pkg_bash_sandbox svc_sessionPersistence --> pkg_acp svc_sessionPersistence --> pkg_agent_loop svc_sessions --> pkg_agent @@ -169,8 +172,8 @@ flowchart LR | `ctx.userInteraction` | `seam` | [`user-interaction`](../packages/ui/user-interaction) | [`stdio-agent`](../packages/ui/stdio-agent), [`acp`](../packages/ui/acp) | [`tool-ask-user`](../packages/ui/tool-ask-user), [`stdio-agent`](../packages/ui/stdio-agent), [`acp`](../packages/ui/acp) | - | UI front doors provide the active human-answer provider; tool-ask-user pauses a tool call on the provider-neutral ask() promise. | | `ctx.agents` | `core` | [`agent`](../packages/core/agent) | - | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`stdio-agent`](../packages/ui/stdio-agent), [`invariants`](../packages/support/invariants) | - | Owns live Agent handles and the create/resume factory seam. | | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | -| `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local. | -| `ctx.sandbox` | `seam` | [`sandbox`](../packages/sandbox/sandbox) | [`sandbox-local`](../packages/sandbox/sandbox-local) | - | - | Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement. | +| `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local), [`bash-sandbox`](../packages/bash/bash-sandbox) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors replace bash-local without touching them. | +| `ctx.sandbox` | `seam` | [`sandbox`](../packages/sandbox/sandbox) | [`sandbox-local`](../packages/sandbox/sandbox-local) | [`bash-sandbox`](../packages/bash/bash-sandbox) | - | Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement. | | `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | | `ctx.codeRuntime` | `seam` | [`code-runtime`](../packages/code-runtime/code-runtime) | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | [`tools`](../packages/core/tools) | - | Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode). | | `ctx.fs` | `seam` | [`fs`](../packages/fs/fs) | [`fs-local`](../packages/fs/fs-local) | [`tool-fs`](../packages/fs/tool-fs) | [`fs-policy`](../packages/fs/fs-policy) | tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate. | diff --git a/docs/config-catalog.md b/docs/config-catalog.md index b092b20537..baae8c65e0 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -150,6 +150,33 @@ export interface Config { Source: [`packages/bash/bash-local/src/index.ts:29`](../packages/bash/bash-local/src/index.ts) +## `@deepseek-ai/dsh-bash-sandbox` + +Requires: `sandbox` + +```ts config-catalog +/** + * Plugin config: the local executor's knobs plus the sandbox policy. All + * optional — `static Config` supplies the defaults (`mode: 'read-only'` is the + * fail-safe default; an example that wants a workspace-writable agent opts in + * explicitly). The runner choice is NOT configured here: which platform + * backend confines the command is the `ctx.sandbox` provider's config. + */ +export interface Config extends LocalConfig { + /** File-sandbox mode commands run under (default: `read-only`). */ + mode?: SandboxMode + /** + * Root directory `workspace-write` mode may write under (default: the + * executor's default working directory — `cwd`, else `process.cwd()`). + */ + workspaceRoot?: string +} +``` + +Depends on: [`LocalConfig`](#deepseek-aidsh-bash-local) · [`SandboxMode`](../packages/sandbox/sandbox/src/index.ts) + +Source: [`packages/bash/bash-sandbox/src/index.ts:59`](../packages/bash/bash-sandbox/src/index.ts) + ## `@deepseek-ai/dsh-code-runtime-worker` ```ts config-catalog diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index e0fa68bab9..2206adfde6 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -75,7 +75,7 @@ onTaskDone(listener: BashTaskListener): () => void Types: [BashExecRequest](../core-data-structures/bash.md) · [BashExecSpec](../core-data-structures/bash.md) · [BashRunResult](../core-data-structures/bash.md) · [BashTask](../core-data-structures/bash.md) · [BashTaskRead](../core-data-structures/bash.md) -Source: [`packages/bash/bash/src/index.ts:59`](../../packages/bash/bash/src/index.ts) +Source: [`packages/bash/bash/src/index.ts:61`](../../packages/bash/bash/src/index.ts) ## `ctx.codeRuntime` — `CodeRuntime` (abstract seam) diff --git a/docs/core-data-structures/bash.md b/docs/core-data-structures/bash.md index 273ba5ebe8..07b0307e2d 100644 --- a/docs/core-data-structures/bash.md +++ b/docs/core-data-structures/bash.md @@ -44,6 +44,20 @@ interface BashExecRequest { * ownerless background start (a non-agent caller). */ owner?: OwnerToken | undefined + /** + * Explicit per-call sandbox-policy input, overriding the executor's + * configured default mode for THIS call. Never a silent default: a + * consumer sets it only from an explicit policy source — an + * `'allowed-once'` grant a human just issued through `ctx.approval` (the + * escalation flow in the sandbox RFC § Escalation, which outranks), or the + * session's standing override folded from its own `bash/sandbox-mode` + * events (the sandbox RFC § Per-session mode switching — the user's recorded per-session + * choice). A sandboxing executor confines THIS call under the given mode; + * a non-sandboxing executor carries the field and confines nothing (the + * tool layer stamps neither escalation nor overrides without a sandboxing + * executor — see {@link BashExecutor.sandboxMode}). + */ + sandboxMode?: SandboxMode | undefined } ``` @@ -79,6 +93,16 @@ interface BashExecSpec { * task. `start()` stores it; `run()` (foreground) ignores it. */ owner: OwnerToken | undefined + /** + * The sandbox mode this call executes under, REQUIRED-but-nullable for the + * same visibility reason as `owner`. A sandboxing executor's `resolve()` + * stamps the effective mode (the request's explicit override, else its + * configured default) so `run()`/`start()` read the spec, never the config; + * a non-sandboxing executor carries the request value through verbatim and + * ignores it (`undefined` under such an executor means what its README says: + * unconfined execution). + */ + sandboxMode: SandboxMode | undefined } ``` @@ -106,6 +130,12 @@ interface BashRunResult { timeoutMs: number stdout: CollectedOutput stderr: CollectedOutput + /** + * Sandbox facts, present iff a sandboxing executor ran the command — an + * unsandboxed executor (e.g. `dsh-bash-local`) never sets it. See + * {@link BashSandboxInfo} for the `denied` classification semantics. + */ + sandbox?: BashSandboxInfo } ``` @@ -122,9 +152,56 @@ interface CollectedOutput { } ``` +## File sandbox: `SandboxMode` / `BashSandboxInfo` + +A sandbox-consuming executor (`dsh-bash-sandbox`) confines commands under its executor-configured mode — fixed at config time for the executor's lifetime; a runtime/per-session mode surface is the sandbox RFC's config phase, not current behavior; the mode/enforcement vocabulary is owned by the `@deepseek-ai/dsh-sandbox` seam (whose provider wraps the executor's argv), and the mode governs FILE effects only — network and process visibility are deliberately not restricted, because a backend that cannot honestly enforce them must not pretend to: + +```ts type-equiv +type SandboxMode = 'read-only' | 'workspace-write' | 'danger-full-access' +``` + +A sandboxed run always reports the facts it executed under on `BashRunResult.sandbox`: `denied` is the executor's conservative classification of a failure as sandbox-caused (a failed exit whose stderr carries a filesystem-permission signature — never a clean exit or a signal kill), read from the collected stderr tail; `enforcement` reports how completely the selected backend governs the mode's file effects (`SandboxEnforcement = 'full' | 'partial'` — `partial` when an older Landlock ABI governs only a subset of the requested accesses; absent under `danger-full-access`, where nothing is confined); `runnerFailed` marks the opposite of a denial — the sandbox RUNNER itself failed and the command never ran (stamped only on settled background tasks; a foreground run surfaces the same condition as the thrown `SANDBOX_UNAVAILABLE` error): + +```ts type-equiv +interface BashSandboxInfo { + /** The mode the command actually ran under. */ + mode: SandboxMode + /** + * True when the executor classifies this run's failure as the sandbox + * denying a file operation. The classification is CONSERVATIVE (a failed + * exit whose stderr carries a filesystem-permission signature) and reads + * the COLLECTED stderr — the bounded in-memory tail per + * {@link CollectedOutput} semantics, so a signature that survives only in a + * spill file is missed toward `denied: false`. A plain command failure + * keeps `denied: false` even under a sandboxed mode. + */ + denied: boolean + /** + * How completely the runner enforced `mode`'s file effects — see + * {@link SandboxEnforcement}. Absent exactly when `mode` is + * `danger-full-access`: nothing is confined, so there is no enforcement to + * report. + */ + enforcement?: SandboxEnforcement + /** + * True when the executor classifies this failure as the SANDBOX RUNNER + * itself failing (missing binary, refused profile, fail-closed refusal + * before exec) — the command NEVER RAN; this is a sandbox failure, not a + * task failure, and it outranks `denied` (a runner's own error text can + * contain denial words). Only ever stamped on settled BACKGROUND tasks: a + * foreground run surfaces the same condition as the thrown + * `SANDBOX_UNAVAILABLE` error instead (the foreground path has an error + * channel; a settled task's facts are its only channel). + */ + runnerFailed?: boolean +} +``` + +One more piece completes the vocabulary: the `SANDBOX_UNAVAILABLE` error code (owned by the sandbox seam) is what the `ctx.sandbox` provider throws — and the executor propagates — when a confined mode has no usable backend: sandboxed modes fail CLOSED instead of silently running unconfined. The model's view of the sandbox is result facts only: the static bash tool description explains the denial marker, and each run's `result.sandbox` carries the mode it executed under (no live-mode getter on the seam and no current-mode prompt statement — both arrive with the runtime-context phase of the RFC below). Denials are deny-only result facts today; the approval/escalated-retry flow on top of them is the [sandbox RFC](../rfc/proposed/feature/2026-07-06-sandbox.md). + ## Background tasks: `BashTask` -A long-running command started with `start()` is tracked as a `BashTask`. `BashTaskStatus` is `'running' | 'completed' | 'killed'`; `done` resolves when the underlying process closes and never rejects. +A long-running command started with `start()` is tracked as a `BashTask`. `BashTaskStatus` is `'running' | 'completed' | 'killed'`; `done` resolves when the underlying process closes and never rejects. A sandboxing executor stamps `sandbox` once the task settles — classification runs against the settled task's collected stderr — so the field is absent while running and under an unsandboxed executor. ```ts type-equiv interface BashTask { @@ -137,6 +214,16 @@ interface BashTask { signal: NodeJS.Signals | null /** Resolves when the underlying process closes (never rejects). */ readonly done: Promise + /** + * Sandbox facts for this task's execution, stamped by a sandboxing executor + * once the task settles and BEFORE completion listeners are notified — an + * `onTaskDone` consumer and a `done` awaiter both see it. Denial + * classification runs against the settled task's collected stderr, so the + * field cannot exist earlier: absent while the task is running and under an + * executor that does not sandbox. See {@link BashSandboxInfo} for the + * `denied` semantics. + */ + sandbox?: BashSandboxInfo } ``` diff --git a/docs/module-graph.md b/docs/module-graph.md index 2c2e94a254..4553e4f421 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -27,6 +27,7 @@ flowchart TD subgraph group_bash["packages/bash"] pkg_bash["bash"] pkg_bash_local["bash-local"] + pkg_bash_sandbox["bash-sandbox"] pkg_tool_bash["tool-bash"] end subgraph group_fs["packages/fs"] @@ -108,15 +109,12 @@ flowchart TD pkg_workflow_workerthread["workflow-workerthread"] end pkg_llm --> pkg_brand - pkg_bash --> pkg_brand pkg_code_runtime_worker --> pkg_code_runtime pkg_llm_deepseek --> pkg_llm pkg_llm_pi_ai --> pkg_llm pkg_session --> pkg_brand pkg_session --> pkg_llm pkg_system_prompt --> pkg_llm - pkg_bash_local --> pkg_bash - pkg_bash_local --> pkg_timeout pkg_fs --> pkg_brand pkg_fs --> pkg_llm pkg_web --> pkg_llm @@ -125,6 +123,9 @@ flowchart TD pkg_agent --> pkg_llm pkg_agent --> pkg_session pkg_agent --> pkg_system_prompt + pkg_bash --> pkg_brand + pkg_bash --> pkg_sandbox + pkg_bash --> pkg_session pkg_fs_local --> pkg_fs pkg_fs_policy --> pkg_fs pkg_compact --> pkg_llm @@ -134,17 +135,19 @@ flowchart TD pkg_web_search_deepseek --> pkg_web pkg_web_search_exa --> pkg_web pkg_web_search_perplexity --> pkg_web - pkg_hook_protocol --> pkg_bash - pkg_hook_protocol --> pkg_session pkg_session_persistence --> pkg_session pkg_llm_replay --> pkg_llm pkg_llm_replay --> pkg_session pkg_sandbox_local --> pkg_llm pkg_sandbox_local --> pkg_sandbox + pkg_bash_local --> pkg_bash + pkg_bash_local --> pkg_timeout pkg_compact_basic --> pkg_agent pkg_compact_basic --> pkg_compact pkg_compact_basic --> pkg_llm pkg_compact_basic --> pkg_session + pkg_hook_protocol --> pkg_bash + pkg_hook_protocol --> pkg_session pkg_session_persistence_jsonl --> pkg_session pkg_session_persistence_jsonl --> pkg_session_persistence pkg_session_persistence_sqlite --> pkg_session @@ -167,6 +170,9 @@ flowchart TD pkg_tools --> pkg_llm pkg_tools --> pkg_session pkg_tools --> pkg_system_prompt + pkg_bash_sandbox --> pkg_bash + pkg_bash_sandbox --> pkg_bash_local + pkg_bash_sandbox --> pkg_sandbox pkg_agent_loop --> pkg_agent pkg_agent_loop --> pkg_llm pkg_agent_loop --> pkg_session @@ -176,6 +182,7 @@ flowchart TD pkg_tool_bash --> pkg_agent pkg_tool_bash --> pkg_bash pkg_tool_bash --> pkg_llm + pkg_tool_bash --> pkg_sandbox pkg_tool_bash --> pkg_system_prompt pkg_tool_bash --> pkg_tools pkg_tool_fs --> pkg_fs @@ -286,17 +293,16 @@ flowchart TD | [`app-boot`](../packages/ui/app-boot) | `ui` | — | | [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — | | [`llm`](../packages/llm/llm) | `llm` | [`brand`](../packages/util/brand) | -| [`bash`](../packages/bash/bash) | `bash` | [`brand`](../packages/util/brand) | | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | `code-runtime` | [`code-runtime`](../packages/code-runtime/code-runtime) | | [`llm-deepseek`](../packages/llm/llm-deepseek) | `llm` | [`llm`](../packages/llm/llm) | | [`llm-pi-ai`](../packages/llm/llm-pi-ai) | `llm` | [`llm`](../packages/llm/llm) | | [`session`](../packages/core/session) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | | [`system-prompt`](../packages/core/system-prompt) | `core` | [`llm`](../packages/llm/llm) | -| [`bash-local`](../packages/bash/bash-local) | `bash` | [`bash`](../packages/bash/bash), [`timeout`](../packages/util/timeout) | | [`fs`](../packages/fs/fs) | `fs` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | | [`web`](../packages/web/web) | `web` | [`llm`](../packages/llm/llm) | | [`sandbox`](../packages/sandbox/sandbox) | `sandbox` | [`llm`](../packages/llm/llm) | | [`agent`](../packages/core/agent) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | +| [`bash`](../packages/bash/bash) | `bash` | [`brand`](../packages/util/brand), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session) | | [`fs-local`](../packages/fs/fs-local) | `fs` | [`fs`](../packages/fs/fs) | | [`fs-policy`](../packages/fs/fs-policy) | `fs` | [`fs`](../packages/fs/fs) | | [`compact`](../packages/compact/compact) | `compact` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | @@ -304,11 +310,12 @@ flowchart TD | [`web-search-deepseek`](../packages/web/web-search-deepseek) | `web` | [`web`](../packages/web/web) | | [`web-search-exa`](../packages/web/web-search-exa) | `web` | [`web`](../packages/web/web) | | [`web-search-perplexity`](../packages/web/web-search-perplexity) | `web` | [`web`](../packages/web/web) | -| [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | | [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) | | [`llm-replay`](../packages/support/llm-replay) | `support` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`sandbox-local`](../packages/sandbox/sandbox-local) | `sandbox` | [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox) | +| [`bash-local`](../packages/bash/bash-local) | `bash` | [`bash`](../packages/bash/bash), [`timeout`](../packages/util/timeout) | | [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | @@ -316,8 +323,9 @@ flowchart TD | [`approval`](../packages/approval/approval) | `approval` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`workflow`](../packages/workflow/workflow) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | | [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | +| [`bash-sandbox`](../packages/bash/bash-sandbox) | `bash` | [`bash`](../packages/bash/bash), [`bash-local`](../packages/bash/bash-local), [`sandbox`](../packages/sandbox/sandbox) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | -| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`subagent`](../packages/subagent/subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`tools`](../packages/core/tools) | | [`tool-web`](../packages/web/tool-web) | `web` | [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`web`](../packages/web/web) | diff --git a/docs/tool-catalog.md b/docs/tool-catalog.md index 6d97017f1d..ba0bd64115 100644 --- a/docs/tool-catalog.md +++ b/docs/tool-catalog.md @@ -124,7 +124,7 @@ Registered by the tool registry itself under `mode: code` / `mode: both` (see th ### `bash` -Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. +Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. ```json { diff --git a/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl b/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl index df7187bbbb..72d5e47ab9 100644 --- a/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783611774323,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783611774323,"data":{"content":[{"type":"text","text":"Call the run_code tool (NOT the native bash tool directly) with a program that runs exactly `echo BOTH_OK` via tools.bash and returns its output. Then reply with that output only and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783611774324,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783611774325,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-52lrTl.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.\n\n## Writing code for run_code\n\nPass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program:\n\n- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools[\"my-tool\"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable.\n- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue.\n- Calls execute sequentially, even under `Promise.all`.\n- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need.\n\nThe available tools:\n\n```ts\ndeclare const tools: {\n /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */\n bash(args: {\n /** The bash command to execute. */\n command: string;\n /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\". */\n description: string;\n /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */\n timeoutMs?: number;\n /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */\n workdir?: string;\n /** Run in the background and return a task id immediately. No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Ask the executor to kill a running background bash task by task id. */\n bash_kill(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */\n bash_output(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Edit an existing UTF-8 text file by replacing literal text. */\n edit(args: {\n /** Path to edit, resolved by the filesystem backend. */\n file_path: string;\n /** Literal text to replace. Must match exactly. */\n old_string: string;\n /** Literal replacement text. Use an empty string to delete the match. */\n new_string: string;\n /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */\n replace_all?: boolean;\n }): Promise;\n /** Read a UTF-8 text file and return line-numbered content. */\n read(args: {\n /** Path to read, resolved by the filesystem backend. */\n file_path: string;\n /** 1-based first line to return. Defaults to 1. */\n offset?: number;\n /** Maximum number of lines to return. Defaults to 2000. */\n limit?: number;\n }): Promise;\n /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */\n subagent(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */\n prompt: string;\n }): Promise;\n /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */\n subagent_fork(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */\n prompt: string;\n }): Promise;\n /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */\n todo_write(args: {\n /** The COMPLETE task list, replacing any previous list. */\n todos: ({\n /** What the task is — a short imperative line. */\n content: string;\n /** pending (not started) | in_progress (now) | completed (done). */\n status: \"pending\" | \"in_progress\" | \"completed\";\n })[];\n }): Promise;\n /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */\n workflow(args: {\n /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */\n script: string;\n /** The workflow identity block (plain JSON — never code). */\n meta: {\n /** Short kebab-case workflow name. */\n name: string;\n /** One-line description of what the workflow does. */\n description: string;\n /** Optional guidance on when this workflow applies. */\n whenToUse?: string;\n /** Optional phase declarations matched by phase() calls. */\n phases?: {\n /** The phase title phase() calls match by exact string. */\n title: string;\n /** Optional one-line description of the phase. */\n detail?: string;\n /** Optional model override this phase is expected to use. */\n model?: string;\n }[];\n };\n /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]}). */\n args?: Record;\n }): Promise;\n /** Create or fully replace a UTF-8 text file. */\n write(args: {\n /** Path to write, resolved by the filesystem backend. */\n file_path: string;\n /** Full UTF-8 text content to write. */\n content: string;\n }): Promise;\n}\n```","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783611774325,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-52lrTl.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.\n\n## Writing code for run_code\n\nPass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program:\n\n- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools[\"my-tool\"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable.\n- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue.\n- Calls execute sequentially, even under `Promise.all`.\n- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need.\n\nThe available tools:\n\n```ts\ndeclare const tools: {\n /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */\n bash(args: {\n /** The bash command to execute. */\n command: string;\n /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\". */\n description: string;\n /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */\n timeoutMs?: number;\n /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */\n workdir?: string;\n /** Run in the background and return a task id immediately. No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Ask the executor to kill a running background bash task by task id. */\n bash_kill(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */\n bash_output(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Edit an existing UTF-8 text file by replacing literal text. */\n edit(args: {\n /** Path to edit, resolved by the filesystem backend. */\n file_path: string;\n /** Literal text to replace. Must match exactly. */\n old_string: string;\n /** Literal replacement text. Use an empty string to delete the match. */\n new_string: string;\n /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */\n replace_all?: boolean;\n }): Promise;\n /** Read a UTF-8 text file and return line-numbered content. */\n read(args: {\n /** Path to read, resolved by the filesystem backend. */\n file_path: string;\n /** 1-based first line to return. Defaults to 1. */\n offset?: number;\n /** Maximum number of lines to return. Defaults to 2000. */\n limit?: number;\n }): Promise;\n /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */\n subagent(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */\n prompt: string;\n }): Promise;\n /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */\n subagent_fork(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */\n prompt: string;\n }): Promise;\n /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */\n todo_write(args: {\n /** The COMPLETE task list, replacing any previous list. */\n todos: ({\n /** What the task is — a short imperative line. */\n content: string;\n /** pending (not started) | in_progress (now) | completed (done). */\n status: \"pending\" | \"in_progress\" | \"completed\";\n })[];\n }): Promise;\n /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */\n workflow(args: {\n /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */\n script: string;\n /** The workflow identity block (plain JSON — never code). */\n meta: {\n /** Short kebab-case workflow name. */\n name: string;\n /** One-line description of what the workflow does. */\n description: string;\n /** Optional guidance on when this workflow applies. */\n whenToUse?: string;\n /** Optional phase declarations matched by phase() calls. */\n phases?: {\n /** The phase title phase() calls match by exact string. */\n title: string;\n /** Optional one-line description of the phase. */\n detail?: string;\n /** Optional model override this phase is expected to use. */\n model?: string;\n }[];\n };\n /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]}). */\n args?: Record;\n }): Promise;\n /** Create or fully replace a UTF-8 text file. */\n write(args: {\n /** Path to write, resolved by the filesystem backend. */\n file_path: string;\n /** Full UTF-8 text content to write. */\n content: string;\n }): Promise;\n}\n```","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783611774792,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783611774792,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783611774879,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl b/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl index 72533bcdeb..0793952e95 100644 --- a/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783611771394,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783611771394,"data":{"content":[{"type":"text","text":"Using ONE run_code program: call the bash tool twice — exactly `echo CODE_ONE` then exactly `echo CODE_TWO` — and return the two outputs joined with a plus sign. Then reply with that joined string only and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783611771396,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783611771396,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-BteTVR.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.\n\n## Writing code for run_code\n\nPass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program:\n\n- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools[\"my-tool\"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable.\n- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue.\n- Calls execute sequentially, even under `Promise.all`.\n- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need.\n\nThe available tools:\n\n```ts\ndeclare const tools: {\n /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */\n bash(args: {\n /** The bash command to execute. */\n command: string;\n /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\". */\n description: string;\n /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */\n timeoutMs?: number;\n /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */\n workdir?: string;\n /** Run in the background and return a task id immediately. No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Ask the executor to kill a running background bash task by task id. */\n bash_kill(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */\n bash_output(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Edit an existing UTF-8 text file by replacing literal text. */\n edit(args: {\n /** Path to edit, resolved by the filesystem backend. */\n file_path: string;\n /** Literal text to replace. Must match exactly. */\n old_string: string;\n /** Literal replacement text. Use an empty string to delete the match. */\n new_string: string;\n /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */\n replace_all?: boolean;\n }): Promise;\n /** Read a UTF-8 text file and return line-numbered content. */\n read(args: {\n /** Path to read, resolved by the filesystem backend. */\n file_path: string;\n /** 1-based first line to return. Defaults to 1. */\n offset?: number;\n /** Maximum number of lines to return. Defaults to 2000. */\n limit?: number;\n }): Promise;\n /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */\n subagent(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */\n prompt: string;\n }): Promise;\n /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */\n subagent_fork(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */\n prompt: string;\n }): Promise;\n /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */\n todo_write(args: {\n /** The COMPLETE task list, replacing any previous list. */\n todos: ({\n /** What the task is — a short imperative line. */\n content: string;\n /** pending (not started) | in_progress (now) | completed (done). */\n status: \"pending\" | \"in_progress\" | \"completed\";\n })[];\n }): Promise;\n /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */\n workflow(args: {\n /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */\n script: string;\n /** The workflow identity block (plain JSON — never code). */\n meta: {\n /** Short kebab-case workflow name. */\n name: string;\n /** One-line description of what the workflow does. */\n description: string;\n /** Optional guidance on when this workflow applies. */\n whenToUse?: string;\n /** Optional phase declarations matched by phase() calls. */\n phases?: {\n /** The phase title phase() calls match by exact string. */\n title: string;\n /** Optional one-line description of the phase. */\n detail?: string;\n /** Optional model override this phase is expected to use. */\n model?: string;\n }[];\n };\n /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]}). */\n args?: Record;\n }): Promise;\n /** Create or fully replace a UTF-8 text file. */\n write(args: {\n /** Path to write, resolved by the filesystem backend. */\n file_path: string;\n /** Full UTF-8 text content to write. */\n content: string;\n }): Promise;\n}\n```","tools":[{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783611771396,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-BteTVR.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.\n\n## Writing code for run_code\n\nPass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program:\n\n- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools[\"my-tool\"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable.\n- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue.\n- Calls execute sequentially, even under `Promise.all`.\n- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need.\n\nThe available tools:\n\n```ts\ndeclare const tools: {\n /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */\n bash(args: {\n /** The bash command to execute. */\n command: string;\n /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\". */\n description: string;\n /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */\n timeoutMs?: number;\n /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */\n workdir?: string;\n /** Run in the background and return a task id immediately. No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Ask the executor to kill a running background bash task by task id. */\n bash_kill(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */\n bash_output(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Edit an existing UTF-8 text file by replacing literal text. */\n edit(args: {\n /** Path to edit, resolved by the filesystem backend. */\n file_path: string;\n /** Literal text to replace. Must match exactly. */\n old_string: string;\n /** Literal replacement text. Use an empty string to delete the match. */\n new_string: string;\n /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */\n replace_all?: boolean;\n }): Promise;\n /** Read a UTF-8 text file and return line-numbered content. */\n read(args: {\n /** Path to read, resolved by the filesystem backend. */\n file_path: string;\n /** 1-based first line to return. Defaults to 1. */\n offset?: number;\n /** Maximum number of lines to return. Defaults to 2000. */\n limit?: number;\n }): Promise;\n /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */\n subagent(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */\n prompt: string;\n }): Promise;\n /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */\n subagent_fork(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */\n prompt: string;\n }): Promise;\n /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */\n todo_write(args: {\n /** The COMPLETE task list, replacing any previous list. */\n todos: ({\n /** What the task is — a short imperative line. */\n content: string;\n /** pending (not started) | in_progress (now) | completed (done). */\n status: \"pending\" | \"in_progress\" | \"completed\";\n })[];\n }): Promise;\n /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */\n workflow(args: {\n /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */\n script: string;\n /** The workflow identity block (plain JSON — never code). */\n meta: {\n /** Short kebab-case workflow name. */\n name: string;\n /** One-line description of what the workflow does. */\n description: string;\n /** Optional guidance on when this workflow applies. */\n whenToUse?: string;\n /** Optional phase declarations matched by phase() calls. */\n phases?: {\n /** The phase title phase() calls match by exact string. */\n title: string;\n /** Optional one-line description of the phase. */\n detail?: string;\n /** Optional model override this phase is expected to use. */\n model?: string;\n }[];\n };\n /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]}). */\n args?: Record;\n }): Promise;\n /** Create or fully replace a UTF-8 text file. */\n write(args: {\n /** Path to write, resolved by the filesystem backend. */\n file_path: string;\n /** Full UTF-8 text content to write. */\n content: string;\n }): Promise;\n}\n```","tools":[{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783611771869,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783611771869,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783611771978,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl index 8475c97896..151aed9a4d 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783600629541,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783600629541,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783600629542,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783600629542,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/bn/vj1dvck95yd5jh3x4wskflxm0000gn/T/acp-snap-cwd-ka5r8w.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783600629542,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/bn/vj1dvck95yd5jh3x4wskflxm0000gn/T/acp-snap-cwd-ka5r8w.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783600630819,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783600630820,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783600630822,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/knip.json b/knip.json index ba6dfb6fb2..c0c202a221 100644 --- a/knip.json +++ b/knip.json @@ -15,6 +15,10 @@ ], "project": ["scripts/**/*.ts", "examples/**/*.ts"] }, + "packages/bash/bash-sandbox": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, "packages/sandbox/sandbox-local": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] diff --git a/packages/bash/README.md b/packages/bash/README.md index 9a9dba88d5..4072998f3e 100644 --- a/packages/bash/README.md +++ b/packages/bash/README.md @@ -1,11 +1,12 @@ # bash/ — bash capability family -The canonical three-package capability seam (see [capability seams](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)): an abstract executor interface, a concrete local implementation, and the model-facing tool that consumes it. All **product** packages. +The canonical three-package capability seam (see [capability seams](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)): an abstract executor interface, concrete implementations, and the model-facing tool that consumes it. All **product** packages. | Package | Role | ctx key | |---|---|---| -| `bash/` | Abstract bash executor seam (interface + vocabulary) | `ctx.bash` | +| `bash/` | Abstract bash executor seam (interface + vocabulary; sandbox result facts carry the [`sandbox/`](../sandbox/README.md) seam's mode/enforcement vocabulary) | `ctx.bash` | | `bash-local/` | Local-subprocess `BashExecutor` implementation | (registers `ctx.bash`) | +| `bash-sandbox/` | Sandbox-consuming `BashExecutor` (wraps every command argv via `ctx.sandbox`, stamps denial/enforcement facts; extends `bash-local`'s mechanics) | (registers `ctx.bash`) | | `tool-bash/` | Model-facing `bash`/`bash_output`/`bash_kill` tool schemas | (registers on `ctx.tools`) | -The interface lives at `bash/bash/`. A sandboxed executor would replace `bash-local` without touching the interface or the tool — the split is what makes that possible. +The interface lives at `bash/bash/`. `bash-sandbox` replacing `bash-local` without touching the interface or the tool is the split doing exactly what it exists for — a leaf `cordis.yml` picks one executor entry, plus a `ctx.sandbox` provider entry for the confined one (see [examples/sandbox-acp-agent](../../examples/sandbox-acp-agent/)). diff --git a/packages/bash/bash-local/README.md b/packages/bash/bash-local/README.md index dec29ce93b..069adb3576 100644 --- a/packages/bash/bash-local/README.md +++ b/packages/bash/bash-local/README.md @@ -27,4 +27,4 @@ Design surveyed against the bash tools of Claude Code, OpenCode, Codex, and pi; ## Sandboxing -`TODO(permissions/sandbox)`: execution policy does NOT belong in this package. Use the `tools/pre-execute` deny/ask gate or implement a sandboxing `BashExecutor` — see docs/architecture.md § Extending The Harness. Reference points: Claude Code wraps commands in sandbox-exec/bubblewrap; Codex applies seatbelt/landlock plus an execpolicy prefix-rule engine. +Execution policy does NOT belong in this package: this executor always runs commands unconfined. Confinement is [`dsh-bash-sandbox`](../bash-sandbox/README.md), which extends this executor verbatim and confines commands under the `ctx.sandbox` seam's bwrap/Landlock/Seatbelt backends ([sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)); per-call allow/deny/ask policy belongs on the `tools/pre-execute` gate. diff --git a/packages/bash/bash-local/src/index.ts b/packages/bash/bash-local/src/index.ts index 3e09d7e35b..6903c06e32 100644 --- a/packages/bash/bash-local/src/index.ts +++ b/packages/bash/bash-local/src/index.ts @@ -133,6 +133,10 @@ export class LocalBashExecutor extends BashExecutor { // Carry the owner through verbatim (required-but-nullable on the spec): // the executor never interprets it — the consumer's access policy does. owner: request.owner, + // Carry a sandbox-mode override through verbatim: this executor never + // confines, so the field is inert here (the seam contract) — a + // sandboxing subclass overrides resolve() to stamp its default instead. + sandboxMode: request.sandboxMode, } } @@ -212,6 +216,18 @@ export class LocalBashExecutor extends BashExecutor { return this.tasks.get(id) } + /** + * Full collected stderr of a tracked task from stream start (bounded by the + * in-memory cap; bytes only in the spill file are not re-read). A protected + * seam for subclasses that classify a settled task's outcome — reading here + * does NOT advance the consumer's {@link readOutput} cursor. An unknown id + * (a task already dropped by disposal) reads as empty. + */ + protected collectedStderr(id: BashTaskId): string { + const task = this.tasks.get(id) + return task === undefined ? '' : task.running.stderr.readFrom(0).text + } + ownerOf(id: BashTaskId): OwnerToken | undefined { // Unknown id and known-but-ownerless both read as undefined — the consumer // treats undefined as "open" and a truly unknown id fails at readOutput/kill. diff --git a/packages/bash/bash-sandbox/README.md b/packages/bash/bash-sandbox/README.md new file mode 100644 index 0000000000..9ceb793e27 --- /dev/null +++ b/packages/bash/bash-sandbox/README.md @@ -0,0 +1,33 @@ +# @deepseek-ai/dsh-bash-sandbox + +Sandbox-consuming implementation of the [`@deepseek-ai/dsh-bash`](../bash/) executor seam. Load it **instead of** `@deepseek-ai/dsh-bash-local`, together with a [`ctx.sandbox`](../../sandbox/sandbox/) provider (e.g. [`@deepseek-ai/dsh-sandbox-local`](../../sandbox/sandbox-local/)) — the model-facing tool layer (`dsh-tool-bash`) is untouched; that swap is exactly what the seams exist for. + +Every command is confined by handing the provider the exact `['bash', '-c', command]` argv this executor is about to spawn and spawning the returned (wrapped) argv instead. WHICH platform runner confines it — and whether one is usable at all (fail closed with a structured `SANDBOX_UNAVAILABLE` error, never a silent unconfined run) — is the provider's concern; this package owns the bash side only. + +| Mode | File effects | +|---|---| +| `read-only` (default) | No writes anywhere (of `/dev`, only the `/dev/null` node is writable, so `>/dev/null` keeps working) | +| `workspace-write` | Writes only under `workspaceRoot` + `/tmp` (ephemeral under bwrap, the host `/tmp` under Landlock, `/private/tmp` plus the per-user temp dir under Seatbelt) | +| `danger-full-access` | No confinement; the provider is never consulted. Execution is `dsh-bash-local`'s verbatim — foreground results still carry `sandbox: { mode, denied: false }` (no `enforcement`: nothing was confined), background tasks carry no sandbox facts | + +Semantics: + +- **Denials are result facts.** A failed run whose stderr carries the selected backend's own denial dialect — the signatures the provider stamps on every wrap (EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt) — is reported as `BashRunResult.sandbox.denied: true` (conservative classification, read from the collected stderr tail); every CONFINED run also carries the mode it executed under (`result.sandbox.mode`) and the provider's enforcement completeness (`result.sandbox.enforcement`: `full`, or `partial` on an older Landlock ABI). +- **Runner failures are sandbox failures, never task failures.** A failed run matching the wrap's `runnerFailureSignatures` (the runner's own error prefix — also what the shell prints for a missing runner) means the sandbox itself broke and the command NEVER RAN; the check outranks denial classification because a runner's error text can contain denial words. The foreground path re-throws it as the structured fail-closed `SANDBOX_UNAVAILABLE` error, with the runner's first stderr line as the cause; a settled background task stamps `task.sandbox.runnerFailed` instead (no error channel remains after settle), which `bash_output` renders as its own marker. +- **Config-time default, per-call policy.** The DEFAULT mode is fixed by this entry's config for the executor's lifetime; `resolve()` stamps it onto every spec, and an explicit request-level `sandboxMode` override — set by the tool layer only for a call whose wider mode a human granted through `ctx.approval` ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)) — makes THAT call run, classify, and report under its own mode while every neighbor keeps the default (background facts are stamped per task at settle). The capability fact `ctx.bash.sandboxMode` reports the configured default so the tool layer advertises escalation only when this executor is mounted. The model learns of the sandbox only through result facts — the static bash tool description explains the denial marker; there is no current-mode statement in the system prompt. +- **File effects only.** Network and process visibility are deliberately not restricted — the mode vocabulary does not pretend to cover what the backend does not enforce. +- Process mechanics (spawn, process-group kills, output collection/spill, background tasks, credential scrub) are inherited verbatim from [`dsh-bash-local`](../bash-local/); the runner ladder, probes, and the per-platform Landlock launcher packages live with [`dsh-sandbox-local`](../../sandbox/sandbox-local/). + +Deny-only at the seam: a denial is a reported fact, and this executor never negotiates permissions itself — the approval question lives in the tool layer (`dsh-tool-bash`), which drives the override this package honors. + +```yaml +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' +- id: bash + name: '@deepseek-ai/dsh-bash-sandbox' + config: + mode: read-only + workspaceRoot: !!js process.cwd() +``` + +The keyless consumer-integration proofs are `tests/bwrap.e2e.ts`, `tests/landlock.e2e.ts`, and `tests/seatbelt.e2e.ts` (the real provider + real runner driven through `ctx.bash`, world-verified, each self-skipping where its runner is absent); see [`examples/sandbox-acp-agent`](../../../examples/sandbox-acp-agent/) for the runnable demo. diff --git a/packages/bash/bash-sandbox/package.json b/packages/bash/bash-sandbox/package.json new file mode 100644 index 0000000000..0077511946 --- /dev/null +++ b/packages/bash/bash-sandbox/package.json @@ -0,0 +1,41 @@ +{ + "name": "@deepseek-ai/dsh-bash-sandbox", + "description": "Sandbox-consuming implementation of the DeepSeek Harness bash executor seam (confines every command via ctx.sandbox, reports denial/enforcement result facts)", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-bash": "^0.0.1", + "@deepseek-ai/dsh-bash-local": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-bash": "workspace:^", + "@deepseek-ai/dsh-bash-local": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "@deepseek-ai/dsh-sandbox-local": "workspace:^", + "node-addon-landlock-run": "0.0.0-test.0", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/bash/bash-sandbox/src/index.ts b/packages/bash/bash-sandbox/src/index.ts new file mode 100644 index 0000000000..d4f7d867ad --- /dev/null +++ b/packages/bash/bash-sandbox/src/index.ts @@ -0,0 +1,305 @@ +/** + * `SandboxBashExecutor`: the sandbox-consuming implementation of the + * `@deepseek-ai/dsh-bash` executor seam. Every spawned command is wrapped by + * the `ctx.sandbox` provider (`@deepseek-ai/dsh-sandbox`) according to the + * configured {@link SandboxMode}: the executor hands the provider the exact + * `['bash', '-c', command]` argv it is about to spawn and spawns the wrapped + * argv instead. WHICH platform runner confines it — and whether one is + * usable at all (the provider fails CLOSED with a structured + * `SANDBOX_UNAVAILABLE` error rather than passing the argv through) — is the + * provider's concern (`@deepseek-ai/dsh-sandbox-local` first). + * + * Extends `LocalBashExecutor` so all process mechanics — spawn, process-group + * kills, timeout escalation, output collection and spill files, background + * tasks, the credential scrub — are the local implementation's, verbatim. + * This package adds only the seam consumption and the result facts, which is + * exactly the split the capability seam was designed for (a sandboxing + * executor replaces `dsh-bash-local` without touching `dsh-tool-bash`, and + * swapping the confinement backend never touches this package). + * + * A failed run whose stderr carries the selected backend's own denial + * dialect (the signatures the provider stamps on every wrap) is classified + * as a sandbox denial on `BashRunResult.sandbox`, and every confined result + * also carries how completely the selected runner enforces the mode + * (`sandbox.enforcement`, from the provider's wrap). A failure carrying the + * backend's RUNNER-FAILURE signature instead means the sandbox itself broke + * and the command never ran: the foreground path re-throws it as the + * structured fail-closed `SANDBOX_UNAVAILABLE` error (late twin of the + * provider's confine-time throw), a settled background task stamps + * `sandbox.runnerFailed` — either way a broken sandbox can never read as a + * failing command, and the command never slips through unconfined. + * + * Deny-only at the seam, escalation at the tool: a denial is a reported FACT + * here, and the one-shot user-approved escalated retry of a denied action + * (docs/rfc/proposed/feature/2026-07-06-sandbox.md) is driven by + * `dsh-tool-bash` through `ctx.approval` — this executor's contribution is the + * per-call `sandboxMode` override it honors in {@link resolve}: an escalated + * call runs (and classifies, and reports) under ITS granted mode while every + * neighboring call keeps the configured default. + * + * @module @deepseek-ai/dsh-bash-sandbox + */ + +import { resolve } from 'node:path' +import { Context } from 'cordis' +import z from 'schemastery' +import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskId } from '@deepseek-ai/dsh-bash' +import { SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedSandboxMode, SandboxEnforcement, SandboxMode } from '@deepseek-ai/dsh-sandbox' +import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' +import type { Config as LocalConfig } from '@deepseek-ai/dsh-bash-local' + +/** + * Plugin config: the local executor's knobs plus the sandbox policy. All + * optional — `static Config` supplies the defaults (`mode: 'read-only'` is the + * fail-safe default; an example that wants a workspace-writable agent opts in + * explicitly). The runner choice is NOT configured here: which platform + * backend confines the command is the `ctx.sandbox` provider's config. + */ +export interface Config extends LocalConfig { + /** File-sandbox mode commands run under (default: `read-only`). */ + mode?: SandboxMode + /** + * Root directory `workspace-write` mode may write under (default: the + * executor's default working directory — `cwd`, else `process.cwd()`). + */ + workspaceRoot?: string +} + +/** + * Quote one string as a single-quoted POSIX shell word (embedded single + * quotes become `'\''`), so a wrapped argv element survives the outer + * `bash -c` re-parse byte-for-byte. + * @param text - the raw argv element to quote. + * @returns the single-quoted shell word. + */ +export function shellQuote(text: string): string { + return `'${text.replaceAll("'", String.raw`'\''`)}'` +} + +/** + * Conservative sandbox-denial classifier: a run counts as denied only when it + * FAILED (nonzero exit — a signal kill is not a denial) and its stderr + * carries one of the SELECTED BACKEND's own denial signatures — the dialect + * the provider stamps on every wrap (`ConfinedArgv.denialSignatures`: + * `Read-only file system` under bwrap's EROFS mounts, `Permission denied` + * under Landlock's EACCES, `Operation not permitted` under Seatbelt's + * EPERM). Matching the backend's dialect rather than a cross-backend union + * keeps the classifier from claiming denials the active backend never + * produces (bare EPERM text under a Linux runner names non-file boundaries — + * mount, kill, ptrace — that fail the same way unsandboxed). Text inference + * is the fallback signal until a runner provides a structured one (which + * wins once it exists); it errs toward NOT claiming a denial, and its known + * residual imprecision is non-sandbox text in the active dialect (an ssh + * auth failure reads as a denial under Landlock, a refused `kill` under + * Seatbelt). + * @param result - the settled foreground run to classify. + * @param signatures - the active wrap's denial dialect, case-insensitive + * stderr substrings. + * @returns whether the run's failure reads as a sandbox denial. + */ +export function classifyDenial(result: BashRunResult, signatures: readonly string[]): boolean { + return matchesSignature(result.exitCode, result.stderr.text, signatures) +} + +/** + * Runner-failure classifier: a failed run whose stderr carries the SELECTED + * BACKEND's own runner-failure signature (`ConfinedArgv. + * runnerFailureSignatures`: the runner's error prefix, which also matches + * the shell's runner-not-found message) means the SANDBOX itself failed and + * the command never ran. Checked BEFORE {@link classifyDenial} — a runner's + * error text can contain denial words (an unopenable grant root reports + * `Permission denied`) — and surfaced as the fail-closed + * `SANDBOX_UNAVAILABLE` error on the foreground path, `sandbox.runnerFailed` + * on a settled background task. Same conservative-text-inference stance and + * residual imprecision as the denial classifier (a failing task that itself + * prints the runner's prefix reads as a runner failure). + * @param result - the settled foreground run to classify. + * @param signatures - the active wrap's runner-failure signatures, + * case-insensitive stderr substrings. + * @returns whether the run's failure reads as the runner itself failing. + */ +export function classifyRunnerFailure(result: BashRunResult, signatures: readonly string[]): boolean { + return matchesSignature(result.exitCode, result.stderr.text, signatures) +} + +/** + * The classifier core shared by foreground results and settled background + * tasks: failed AND signature present. Lowercases BOTH sides — the seam + * declares its signatures case-insensitive, and producers compose them from + * runtime data of any case (an `argv0` path, `No such file or directory`). + */ +function matchesSignature(exitCode: number | null, stderr: string, signatures: readonly string[]): boolean { + if (exitCode === null || exitCode === 0) return false + const lowered = stderr.toLowerCase() + return signatures.some(signature => lowered.includes(signature.toLowerCase())) +} + +/** + * Sandbox-consuming bash executor. Registers as `ctx.bash` (loading it + * INSTEAD OF `dsh-bash-local`, together with a `ctx.sandbox` provider, is + * the whole swap — the tool layer is untouched). The DEFAULT mode is fixed at + * config time for the executor's lifetime; a single call escalates past it + * only through the request-level `sandboxMode` override its {@link resolve} + * stamps onto the spec (granted upstream via `ctx.approval` — the + * sandbox RFC § Escalation). The model learns of the sandbox only through + * result facts: the static bash tool description explains the denial marker, + * and every run's `result.sandbox` carries the mode it executed under and how + * completely the runner enforced it. Runtime default-mode switching and a + * current-mode prompt statement are deliberately absent until a config + * surface exists to drive them (TODO(sandbox-config): the sandbox RFC's + * future-work list brings both with the per-session config options). + */ +export class SandboxBashExecutor extends LocalBashExecutor { + static inject = ['sandbox'] + + // The sandbox-specific fields intersect the local executor's Config as an + // inline schema call: the config catalog walks `static Config` statically. + static override Config: z = z.intersect([ + LocalBashExecutor.Config, + z.object({ + mode: z.union(['read-only', 'workspace-write', 'danger-full-access'] as const).default('read-only'), + workspaceRoot: z.string(), + }), + ]) + + private readonly mode: SandboxMode + private readonly workspaceRoot: string + /** + * Per-task facts, keyed by task id from `start()` until the settle stamp + * consumes them: the mode the task runs under (per-call — an escalated task + * differs from its neighbors) plus its wrap facts. The seam returns facts + * PER WRAP — a provider may legally vary enforcement or dialect between + * calls — so overlapping background tasks must each classify against their + * OWN wrap; a single latest-wrap field would let a later `start()` clobber + * an earlier task's facts before it settles. A `danger-full-access` task + * has NO entry (nothing confined it), which is what the settle stamp keys + * off. + */ + private readonly taskFacts = new Map() + + constructor(ctx: Context, config: Config) { + super(ctx, config) + // schemastery (static Config) already filled the defaulted fields — the + // cast records that runtime fact (mirrors LocalBashExecutor's config + // cast). `workspaceRoot` and `cwd` have NO schema default, so their + // fallback chain is real branching. + this.mode = config.mode as SandboxMode + this.workspaceRoot = resolve(config.workspaceRoot ?? config.cwd ?? process.cwd()) + } + + /** The configured default mode — the capability fact the tool layer reads. */ + override get sandboxMode(): SandboxMode { + return this.mode + } + + /** + * Stamp the effective mode onto the spec — the request's explicit override + * (an approved escalation), else this executor's configured default — so + * defaulting stays an explicit resolve step and `run()`/`start()` read the + * spec, never the config. + */ + override resolve(request: BashExecRequest): BashExecSpec { + return { ...super.resolve(request), sandboxMode: request.sandboxMode ?? this.mode } + } + + override async run(spec: BashExecSpec): Promise { + // resolve() always stamps the mode; the cast records that invariant + // (mirrors the constructor's config casts). + const mode = spec.sandboxMode as SandboxMode + if (mode === 'danger-full-access') { + const result = await super.run(spec) + return { ...result, sandbox: { mode, denied: false } } + } + const confined = this.confine(spec.command, mode) + const result = await super.run({ ...spec, command: confined.command }) + // Runner failure outranks denial: the sandbox itself failed and the + // command NEVER RAN — surface the same structured fail-closed error a + // confine-time discovery throws (late detection, same outcome), with + // the runner's own first stderr line as the cause. Returning it as a + // task result would let a broken sandbox read as a failing command. + if (classifyRunnerFailure(result, confined.runnerFailureSignatures)) { + throw new SandboxUnavailableError(mode, result.stderr.text.trim().split('\n')[0]) + } + return { ...result, sandbox: { mode, denied: classifyDenial(result, confined.denialSignatures), enforcement: confined.enforcement } } + } + + override start(spec: BashExecSpec): BashTask { + // Same stamped-by-resolve invariant as run(). + const mode = spec.sandboxMode as SandboxMode + if (mode === 'danger-full-access') return super.start(spec) + // Sandbox facts are stamped at settle time by {@link notifyTaskDone} + // (denial classification runs against the settled task's collected + // stderr). The map entry lands synchronously after spawn, strictly + // before the earliest possible settle (a process exit reaches us no + // sooner than the next tick). + const confined = this.confine(spec.command, mode) + const task = super.start({ ...spec, command: confined.command }) + const { enforcement, denialSignatures, runnerFailureSignatures } = confined + this.taskFacts.set(task.id, { mode, enforcement, denialSignatures, runnerFailureSignatures }) + return task + } + + /** + * Stamp the sandbox facts BEFORE completion listeners run: the base + * executor notifies from inside the task's settle path, so overriding the + * notification point is what makes `task.sandbox` visible to `onTaskDone` + * consumers and `done` awaiters alike. Each task classifies against the + * facts of ITS OWN wrap and reports ITS OWN mode (consumed from the + * per-task map here — settle is the entry's end of life): with per-call + * escalation, tasks under different modes settle side by side, so keying + * anything off the configured default would misreport them. A + * `danger-full-access` task has no map entry and carries no facts (nothing + * confined it); a signal-killed task (null exit code) is never a denial, + * mirroring the foreground classifier. + */ + protected override notifyTaskDone(task: BashTask): void { + const facts = this.taskFacts.get(task.id) + if (facts !== undefined) { + this.taskFacts.delete(task.id) + const stderr = this.collectedStderr(task.id) + // Runner failure outranks denial (the command never ran; the runner's + // own error text can contain denial words). A settled task has no + // error channel left, so the fact IS the surface here — the foreground + // path throws instead. + const runnerFailed = matchesSignature(task.exitCode, stderr, facts.runnerFailureSignatures) + task.sandbox = { + mode: facts.mode, + denied: !runnerFailed && matchesSignature(task.exitCode, stderr, facts.denialSignatures), + enforcement: facts.enforcement, + ...(runnerFailed ? { runnerFailed } : {}), + } + } + super.notifyTaskDone(task) + } + + /** + * Wrap one shell command via the `ctx.sandbox` provider: hand over the + * exact `['bash', '-c', command]` argv this executor would spawn, get back + * the confined argv, and re-assemble it into the `exec …` command string + * the inherited spawn path runs (the outer `bash -c` that `runBash` spawns + * `exec`s into the runner, so no extra shell lingers). Provider errors + * (fail-closed `SANDBOX_UNAVAILABLE`) propagate to the caller unchanged. + */ + private confine(command: string, mode: ConfinedSandboxMode): { + command: string + enforcement: SandboxEnforcement + denialSignatures: readonly string[] + runnerFailureSignatures: readonly string[] + } { + const confined = this.ctx.sandbox.confine(['bash', '-c', command], { mode, workspaceRoot: this.workspaceRoot }) + return { + command: `exec ${confined.argv.map(shellQuote).join(' ')}`, + enforcement: confined.enforcement, + denialSignatures: confined.denialSignatures, + runnerFailureSignatures: confined.runnerFailureSignatures, + } + } +} + +export default SandboxBashExecutor diff --git a/packages/bash/bash-sandbox/tests/bwrap.e2e.ts b/packages/bash/bash-sandbox/tests/bwrap.e2e.ts new file mode 100644 index 0000000000..6a748bc389 --- /dev/null +++ b/packages/bash/bash-sandbox/tests/bwrap.e2e.ts @@ -0,0 +1,101 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { bwrapProfileArgs, LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' + +/** + * KEYLESS consumer-integration proof under bwrap: the REAL + * `LocalSandboxProvider` (nothing forced — bwrap is the ladder's first rung, + * so a passing probe selects it) underneath the REAL `SandboxBashExecutor`, + * driven through the executor's public run/start paths. Verifies the WORLD + * (files exist or don't) plus the stamped result facts — in particular that + * bwrap's EROFS denial text classifies as `denied: true` through the + * wrap-carried dialect; the backend-only confinement proofs live with + * `@deepseek-ai/dsh-sandbox-local`. + * + * Self-skips wherever the functional probe fails — no `bwrap` on PATH, or a + * host that denies unprivileged user namespaces. + * + * HOME-based dirs on purpose: bwrap's `/tmp` is an ephemeral mount, so only + * paths outside it prove the workspace-root boundary. + */ + +const probe = spawnSync('bwrap', [...bwrapProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const bwrapUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise { + const dir = await mkdtemp(join(base, 'dsh-bwrap-e2e-')) + tempDirs.push(dir) + return dir +} + +async function sandboxedBash(workspace: string, mode: 'read-only' | 'workspace-write'): Promise { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + await ctx.plugin(SandboxBashExecutor, { mode, cwd: workspace, workspaceRoot: workspace, timeoutMs: 30_000 }) + return ctx.bash as SandboxBashExecutor +} + +describe.skipIf(!bwrapUsable)('bash-sandbox: real bwrap confinement through ctx.bash', () => { + it('read-only denies a write — the file must NOT exist, and EROFS text classifies as a denial', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const result = await bash.run(bash.resolve({ command: `echo hi > ${workdir}/denied.txt` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'workspace-write') + + const inside = await bash.run(bash.resolve({ command: `printf bwrap-ok > ${workdir}/allowed.txt` })) + expect(inside.exitCode).toBe(0) + expect(inside.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('bwrap-ok') + + const denied = await bash.run(bash.resolve({ command: `echo hi > ${outside}/denied.txt` })) + expect(denied.exitCode).not.toBe(0) + expect(denied.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement: 'full' }) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('classifies a background denial once the task settles', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const task = bash.start(bash.resolve({ command: `echo hi > ${workdir}/bg-denied.txt` })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'bg-denied.txt'))).toBe(false) + }) + + it('an approved escalated retry — the spec-level workspace-write override — lands the exact write read-only denied', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const command = `printf escalated > ${workdir}/escalated.txt` + const strict = await bash.run(bash.resolve({ command })) + expect(strict.exitCode).not.toBe(0) + expect(strict.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'escalated.txt'))).toBe(false) + const retried = await bash.run(bash.resolve({ command, sandboxMode: 'workspace-write' })) + expect(retried.exitCode).toBe(0) + expect(retried.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'escalated.txt'), 'utf8')).toBe('escalated') + }) +}) diff --git a/packages/bash/bash-sandbox/tests/landlock.e2e.ts b/packages/bash/bash-sandbox/tests/landlock.e2e.ts new file mode 100644 index 0000000000..8263dad6fe --- /dev/null +++ b/packages/bash/bash-sandbox/tests/landlock.e2e.ts @@ -0,0 +1,100 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { launcherPath } from 'node-addon-landlock-run' +import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' + +/** + * KEYLESS consumer-integration proof: the REAL `LocalSandboxProvider` (bwrap + * rung forced off, so the npm-distributed `landlock-run` confines) underneath the + * REAL `SandboxBashExecutor`, driven through the executor's public run/start + * paths. Verifies the WORLD (files exist or don't) plus the stamped result + * facts; the backend-only confinement proofs live with + * `@deepseek-ai/dsh-sandbox-local`. + * + * Self-skips when the running kernel does not enforce Landlock; the + * launcher binary itself arrives with `pnpm install` (`node-addon-landlock-run`). + */ + +const probe = spawnSync(launcherPath(), ['--probe'], { timeout: 5_000, encoding: 'utf8' }) +const landlockUsable = probe.status === 0 +/** The kernel's enforcement level from the probe report — stamped facts below must match it. */ +const enforcement = /partially enforced/.test(probe.stdout ?? '') ? 'partial' : 'full' + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise { + const dir = await mkdtemp(join(base, 'dsh-landlock-e2e-')) + tempDirs.push(dir) + return dir +} + +async function sandboxedBash(workspace: string, mode: 'read-only' | 'workspace-write'): Promise { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + ;(ctx.sandbox as LocalSandboxProvider).internals = { probeBwrap: () => false } + await ctx.plugin(SandboxBashExecutor, { mode, cwd: workspace, workspaceRoot: workspace, timeoutMs: 30_000 }) + return ctx.bash as SandboxBashExecutor +} + +describe.skipIf(!landlockUsable)('bash-sandbox: real Landlock confinement through ctx.bash', () => { + it('read-only denies a write — the file must NOT exist, the result carries denial + enforcement facts', async () => { + const workdir = await tempDir(tmpdir()) + const bash = await sandboxedBash(workdir, 'read-only') + const result = await bash.run(bash.resolve({ command: `echo hi > ${workdir}/denied.txt` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement }) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'workspace-write') + + const inside = await bash.run(bash.resolve({ command: `printf landlock-ok > ${workdir}/allowed.txt` })) + expect(inside.exitCode).toBe(0) + expect(inside.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement }) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('landlock-ok') + + const denied = await bash.run(bash.resolve({ command: `echo hi > ${outside}/denied.txt` })) + expect(denied.exitCode).not.toBe(0) + expect(denied.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement }) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('classifies a background denial once the task settles', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const task = bash.start(bash.resolve({ command: `echo hi > ${workdir}/bg-denied.txt` })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement }) + expect(existsSync(join(workdir, 'bg-denied.txt'))).toBe(false) + }) + + it('an approved escalated retry — the spec-level workspace-write override — lands the exact write read-only denied', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const command = `printf escalated > ${workdir}/escalated.txt` + const strict = await bash.run(bash.resolve({ command })) + expect(strict.exitCode).not.toBe(0) + expect(strict.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: enforcement }) + expect(existsSync(join(workdir, 'escalated.txt'))).toBe(false) + const retried = await bash.run(bash.resolve({ command, sandboxMode: 'workspace-write' })) + expect(retried.exitCode).toBe(0) + expect(retried.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: enforcement }) + expect(readFileSync(join(workdir, 'escalated.txt'), 'utf8')).toBe('escalated') + }) +}) diff --git a/packages/bash/bash-sandbox/tests/sandbox.spec.ts b/packages/bash/bash-sandbox/tests/sandbox.spec.ts new file mode 100644 index 0000000000..4f92ba38f0 --- /dev/null +++ b/packages/bash/bash-sandbox/tests/sandbox.spec.ts @@ -0,0 +1,327 @@ +/** + * SandboxBashExecutor tests: the CONSUMER side of the sandbox seam. A fake + * `ctx.sandbox` provider (injected as a real cordis service) makes wrapping, + * policy hand-off, fail-closed propagation, classification, and fact + * stamping all deterministic without any real runner; the real-provider + * integration proof lives in `tests/landlock.e2e.ts`. Denials are produced + * with plain unix permissions (a 0555 directory), which exercises the same + * stderr signature the classifier keys on. + */ + +import { chmodSync, mkdirSync, mkdtempSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { join, resolve } from 'node:path' +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import type { BashRunResult, CollectedOutput } from '@deepseek-ai/dsh-bash' +import { SANDBOX_UNAVAILABLE, SandboxProvider, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedArgv, SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { classifyDenial, classifyRunnerFailure, SandboxBashExecutor, shellQuote } from '@deepseek-ai/dsh-bash-sandbox' +import type { Config } from '@deepseek-ai/dsh-bash-sandbox' + +const spillDir = mkdtempSync(join(tmpdir(), 'dsh-bash-sandbox-spec-')) + +/** One recorded provider call: the argv handed over and the policy it rode with. */ +interface ConfineCall { + argv: string[] + policy: SandboxPolicy +} + +/** The Linux file-denial dialects the fake wraps carry — matches the unix-permission denials the tests below produce. */ +const UNIX_SIGNATURES = ['read-only file system', 'permission denied'] as const + +/** The runner-failure prefix the fake wraps carry (a fake-runner: error line marks the sandbox itself failing). */ +const RUNNER_FAILURE = ['fake-runner: '] as const + +/** A passthrough wrap: the caller's argv unchanged, asserted full — commands run unconfined, deterministically. */ +const passthrough = (argv: readonly string[]): ConfinedArgv => + ({ argv: [...argv], enforcement: 'full', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE }) + +/** + * Boot a context with a recording fake `ctx.sandbox` (behavior injectable + * per test) and the executor under test on top of it. + */ +async function setup(config: Config = {}, behavior: (argv: readonly string[], policy: SandboxPolicy) => ConfinedArgv = passthrough) { + const calls: ConfineCall[] = [] + class FakeSandboxProvider extends SandboxProvider { + confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv { + calls.push({ argv: [...argv], policy }) + return behavior(argv, policy) + } + } + const ctx = new Context() + await ctx.plugin(FakeSandboxProvider) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200, ...config }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + return { ctx, bash, calls } +} + +function output(text: string): CollectedOutput { + return { text, truncated: false } +} + +function runResult(exitCode: number | null, stderr: string): BashRunResult { + return { exitCode, signal: null, timedOut: false, aborted: false, timeoutMs: 1000, stdout: output(''), stderr: output(stderr) } +} + +describe('the provider hand-off', () => { + it('hands the provider the exact bash argv and the per-call policy, and runs the returned argv', async () => { + const { bash, calls } = await setup() + const result = await bash.run(bash.resolve({ command: 'echo \'a b\' "c\'d"' })) + expect(result.stdout.text).toBe('a b c\'d\n') + expect(result.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + expect(calls).toEqual([{ + argv: ['bash', '-c', 'echo \'a b\' "c\'d"'], + policy: { mode: 'read-only', workspaceRoot: resolve(process.cwd()) }, + }]) + }) + + it('a wrapped argv from the provider is what actually spawns (prefix survives, quoting round-trips)', async () => { + // The fake wraps with `env MARKER=...` — a real (if tiny) runner prefix: + // the sentinel only prints if the executor spawned the WRAPPED argv. + const { bash } = await setup({}, argv => ({ argv: ['env', 'DSH_WRAP=1', ...argv], enforcement: 'full', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE })) + const result = await bash.run(bash.resolve({ command: 'printf "%s" "$DSH_WRAP"' })) + expect(result.stdout.text).toBe('1') + expect(result.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('workspace-write rides the policy, workspaceRoot falling back to cwd when not configured', async () => { + const { bash, calls } = await setup({ mode: 'workspace-write', cwd: tmpdir() }) + const result = await bash.run(bash.resolve({ command: 'true' })) + expect(result.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(calls[0]?.policy).toEqual({ mode: 'workspace-write', workspaceRoot: resolve(tmpdir()) }) + }) + + it('an explicit workspaceRoot wins over cwd', async () => { + const { calls, bash } = await setup({ mode: 'workspace-write', workspaceRoot: '/ws', cwd: tmpdir() }) + await bash.run(bash.resolve({ command: 'true' })) + expect(calls[0]?.policy.workspaceRoot).toBe(resolve('/ws')) + }) + + it('the provider is consulted per wrap (no caching in the consumer): run and start each hand off', async () => { + const { bash, calls } = await setup() + await bash.run(bash.resolve({ command: 'true' })) + const task = bash.start(bash.resolve({ command: 'true' })) + await task.done + expect(calls).toHaveLength(2) + }) + + it('shellQuote survives embedded single quotes (the argv re-assembly primitive)', () => { + expect(shellQuote('a\'b')).toBe(String.raw`'a'\''b'`) + }) +}) + +describe('fail closed', () => { + it('propagates the provider\'s structured SANDBOX_UNAVAILABLE on run() and start()', async () => { + const { bash } = await setup({}, () => { throw new SandboxUnavailableError('read-only') }) + const spec = bash.resolve({ command: 'echo hi' }) + await expect(bash.run(spec)).rejects.toMatchObject({ name: 'SandboxUnavailableError', code: SANDBOX_UNAVAILABLE }) + expect(() => bash.start(spec)).toThrow(SandboxUnavailableError) + }) +}) + +describe('danger-full-access', () => { + it('runs unwrapped: the provider is never consulted, facts carry no enforcement', async () => { + const { bash, calls } = await setup({ mode: 'danger-full-access' }) + const result = await bash.run(bash.resolve({ command: 'echo free' })) + expect(result.stdout.text).toBe('free\n') + expect(result.sandbox).toEqual({ mode: 'danger-full-access', denied: false }) + expect(calls).toHaveLength(0) + }) + + it('start() passes through unwrapped and stamps nothing at settle', async () => { + const { bash, calls } = await setup({ mode: 'danger-full-access' }) + const task = bash.start(bash.resolve({ command: 'echo free-bg' })) + await task.done + expect(task.sandbox).toBeUndefined() + expect(bash.readOutput(task.id).delta).toContain('free-bg') + expect(calls).toHaveLength(0) + }) +}) + +describe('per-call sandboxMode override (the escalation mechanism)', () => { + it('exposes the configured default as the capability fact, and resolve() stamps it', async () => { + const { bash } = await setup() + expect(bash.sandboxMode).toBe('read-only') + expect(bash.resolve({ command: 'true' }).sandboxMode).toBe('read-only') + }) + + it('an explicit override outranks the default at resolve(), and the wrap policy follows it', async () => { + const { bash, calls } = await setup() + expect(bash.resolve({ command: 'true', sandboxMode: 'workspace-write' }).sandboxMode).toBe('workspace-write') + await bash.run(bash.resolve({ command: 'true', sandboxMode: 'workspace-write' })) + await bash.run(bash.resolve({ command: 'true' })) + expect(calls.map(call => call.policy.mode)).toEqual(['workspace-write', 'read-only']) + }) + + it('an escalated run reports the mode it ACTUALLY ran under', async () => { + const { bash } = await setup() + const result = await bash.run(bash.resolve({ command: 'true', sandboxMode: 'workspace-write' })) + expect(result.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + }) + + it('escalating to danger-full-access bypasses the provider entirely — the grant, not a probe, is the authority there', async () => { + const { bash, calls } = await setup() + const result = await bash.run(bash.resolve({ command: 'echo free', sandboxMode: 'danger-full-access' })) + expect(result.stdout.text).toBe('free\n') + expect(result.sandbox).toEqual({ mode: 'danger-full-access', denied: false }) + expect(calls).toHaveLength(0) + }) + + it('overlapping background tasks settle with their OWN modes (an escalated task next to a default one)', async () => { + // With per-call policy, tasks under different modes are in flight at + // once — anything keyed off the configured default would misreport the + // escalated one at its settle stamp. + const { bash } = await setup() + const escalated = bash.start(bash.resolve({ command: 'sleep 0.3; echo "x: Permission denied" >&2; exit 1', sandboxMode: 'workspace-write' })) + const plain = bash.start(bash.resolve({ command: 'true' })) + await plain.done + await escalated.done + expect(escalated.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement: 'full' }) + expect(plain.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('an escalated danger-full-access background task carries no facts (nothing confined it)', async () => { + const { bash, calls } = await setup() + const task = bash.start(bash.resolve({ command: 'echo bg-free', sandboxMode: 'danger-full-access' })) + await task.done + expect(task.sandbox).toBeUndefined() + expect(bash.readOutput(task.id).delta).toContain('bg-free') + expect(calls).toHaveLength(0) + }) +}) + +describe('classifyDenial', () => { + it('never classifies a clean exit or a signal kill as a denial', () => { + expect(classifyDenial(runResult(0, 'Permission denied'), UNIX_SIGNATURES)).toBe(false) + expect(classifyDenial(runResult(null, 'Permission denied'), UNIX_SIGNATURES)).toBe(false) + }) + + it('classifies failed runs by the wrap\'s own dialect, conservatively', () => { + expect(classifyDenial(runResult(1, 'touch: cannot touch /x: Read-only file system'), UNIX_SIGNATURES)).toBe(true) + expect(classifyDenial(runResult(1, 'sh: /x: Permission denied'), UNIX_SIGNATURES)).toBe(true) + // Bare EPERM is not a Linux runner's dialect: mount/kill/ptrace fail with + // it unsandboxed too, and the mode vocabulary governs file effects only — + // claiming a file denial here would tell the model the sandbox blocked + // something it never governed. + expect(classifyDenial(runResult(1, 'mount: Operation not permitted'), UNIX_SIGNATURES)).toBe(false) + expect(classifyDenial(runResult(1, 'No such file or directory'), UNIX_SIGNATURES)).toBe(false) + }) + + it('matches exactly the active backend\'s dialect: EPERM classifies under Seatbelt, EACCES does not under bwrap', () => { + // The same stderr flips meaning with the backend: under Seatbelt, EPERM + // text IS how the kernel refuses a governed file write; under bwrap's + // EROFS-only dialect, `Permission denied` is ordinary DAC, not the + // sandbox — per-wrap signatures are what keep both classifications honest. + expect(classifyDenial(runResult(1, 'bash: /etc/x: Operation not permitted'), ['operation not permitted'])).toBe(true) + expect(classifyDenial(runResult(1, 'sh: /x: Permission denied'), ['read-only file system'])).toBe(false) + }) +}) + +describe('classifyRunnerFailure', () => { + it('matches the dialect case-insensitively on BOTH sides — the seam declares it so, and producers compose signatures from runtime data (an argv0 path, the shell\'s `No such file or directory`)', () => { + const signatures = ['exec: /Opt/Runners/bwrap: not found', '/Opt/Runners/bwrap: No such file or directory'] + expect(classifyRunnerFailure(runResult(127, 'bash: /Opt/Runners/bwrap: No such file or directory'), signatures)).toBe(true) + expect(classifyRunnerFailure(runResult(127, 'BASH: LINE 1: EXEC: /OPT/RUNNERS/BWRAP: NOT FOUND'), signatures)).toBe(true) + }) +}) + +describe('result facts', () => { + it('reports a real permission failure as a sandbox denial with the mode it ran under', async () => { + const { bash } = await setup() + const lockedDir = join(mkdtempSync(join(tmpdir(), 'dsh-sandbox-denied-')), 'locked') + mkdirSync(lockedDir) + chmodSync(lockedDir, 0o555) + const result = await bash.run(bash.resolve({ command: `echo x > ${lockedDir}/f` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + }) + + it('carries the provider\'s partial-enforcement fact through unchanged', async () => { + const { bash } = await setup({}, argv => ({ argv: [...argv], enforcement: 'partial', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE })) + const result = await bash.run(bash.resolve({ command: 'true' })) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'partial' }) + }) +}) + +describe('background sandbox facts', () => { + it('stamps a settled denial: nonzero exit + permission stderr under a confined mode', async () => { + const { bash } = await setup() + const task = bash.start(bash.resolve({ command: 'echo "x: Permission denied" >&2; exit 1' })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + }) + + it('a foreground runner failure throws the fail-closed error, never a task result', async () => { + // The wrap's runner prefix on a failed run means the SANDBOX broke and + // the command never ran — the late twin of the confine-time throw, with + // the runner's own first stderr line carried as the cause. + const { bash } = await setup() + const run = bash.run(bash.resolve({ command: 'echo "fake-runner: ruleset rejected" >&2; exit 125' })) + await expect(run).rejects.toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + await expect(run).rejects.toThrow('fake-runner: ruleset rejected') + }) + + it('a foreground runner failure outranks denial: runner error text may contain denial words', async () => { + const { bash } = await setup() + await expect(bash.run(bash.resolve({ command: 'echo "fake-runner: cannot open rule path: /x: Permission denied" >&2; exit 125' }))) + .rejects.toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) + + it('a settled background runner failure stamps runnerFailed (no error channel remains), not denied', async () => { + const { bash } = await setup() + const task = bash.start(bash.resolve({ command: 'echo "fake-runner: cannot open rule path: /x: Permission denied" >&2; exit 125' })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full', runnerFailed: true }) + }) + + it('completion listeners already see the stamped facts (stamp precedes notify)', async () => { + const { ctx, bash } = await setup({}, argv => ({ argv: [...argv], enforcement: 'partial', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE })) + const seen: unknown[] = [] + ctx.bash.onTaskDone((task) => { seen.push(task.sandbox) }) + const task = bash.start(bash.resolve({ command: 'echo "x: Permission denied" >&2; exit 1' })) + await task.done + expect(seen).toEqual([{ mode: 'read-only', denied: true, enforcement: 'partial' }]) + }) + + it('overlapping background tasks keep their OWN wrap facts (per-task, not latest-wrap)', async () => { + // The seam returns facts PER WRAP — a legal provider may vary them + // between calls. The slow task settles AFTER the quick one started, so a + // latest-wrap field would classify its denial against the quick task's + // dialect (missing it) and stamp the wrong enforcement. + const wraps: Array> = [ + { enforcement: 'partial', denialSignatures: ['permission denied'] }, + { enforcement: 'full', denialSignatures: ['read-only file system'] }, + ] + let call = 0 + const { bash } = await setup({}, (argv) => { + const wrap = wraps[Math.min(call++, wraps.length - 1)] as Pick + return { argv: [...argv], ...wrap, runnerFailureSignatures: RUNNER_FAILURE } + }) + const slow = bash.start(bash.resolve({ command: 'sleep 0.4; echo "x: Permission denied" >&2; exit 1' })) + const quick = bash.start(bash.resolve({ command: 'true' })) + await quick.done + await slow.done + expect(slow.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'partial' }) + expect(quick.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('a signal-killed task is never a denial (null exit code)', async () => { + const { bash } = await setup() + const task = bash.start(bash.resolve({ command: 'echo "Permission denied" >&2; sleep 30' })) + // Let the stderr land before the kill so the classifier sees the + // signature and must still refuse it on the null exit code alone. + await vi.waitFor(() => { expect(bash.readOutput(task.id).delta).toContain('Permission denied') }) + bash.kill(task.id) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('disposal kills wrapped background tasks (inherited HMR safety)', async () => { + const { ctx, bash } = await setup() + const task = bash.start(bash.resolve({ command: 'sleep 30' })) + await ctx.fiber.dispose() + expect(task.status).toBe('killed') + }) +}) diff --git a/packages/bash/bash-sandbox/tests/seatbelt.e2e.ts b/packages/bash/bash-sandbox/tests/seatbelt.e2e.ts new file mode 100644 index 0000000000..8ae25a8d39 --- /dev/null +++ b/packages/bash/bash-sandbox/tests/seatbelt.e2e.ts @@ -0,0 +1,101 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { LocalSandboxProvider, seatbeltProfileArgs } from '@deepseek-ai/dsh-sandbox-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' + +/** + * KEYLESS consumer-integration proof on macOS: the REAL `LocalSandboxProvider` + * (Linux rungs forced off, so `sandbox-exec`/Seatbelt confines) underneath + * the REAL `SandboxBashExecutor`, driven through the executor's public + * run/start paths. Verifies the WORLD (files exist or don't) plus the + * stamped result facts — in particular that Seatbelt's EPERM denial text + * classifies as `denied: true` through the wrap-carried dialect; the + * backend-only confinement proofs live with `@deepseek-ai/dsh-sandbox-local`. + * + * Self-skips wherever the functional probe fails — every non-macOS host, or + * a macOS whose `sandbox-exec` refuses the profile. + */ + +const probe = spawnSync('sandbox-exec', [...seatbeltProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const seatbeltUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise { + const dir = await mkdtemp(join(base, 'dsh-seatbelt-e2e-')) + tempDirs.push(dir) + return dir +} + +async function sandboxedBash(workspace: string, mode: 'read-only' | 'workspace-write'): Promise { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + ;(ctx.sandbox as LocalSandboxProvider).internals = { probeBwrap: () => false, probeLandlock: () => 'unusable' } + await ctx.plugin(SandboxBashExecutor, { mode, cwd: workspace, workspaceRoot: workspace, timeoutMs: 30_000 }) + return ctx.bash as SandboxBashExecutor +} + +describe.skipIf(!seatbeltUsable)('bash-sandbox: real Seatbelt confinement through ctx.bash', () => { + it('read-only denies a write — the file must NOT exist, and EPERM text classifies as a denial', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const result = await bash.run(bash.resolve({ command: `echo hi > ${workdir}/denied.txt` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + // HOME-based dirs on purpose: workspace-write grants /tmp and the + // per-user temp dir wholesale, so only paths outside both prove the + // workspace-root boundary. + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'workspace-write') + + const inside = await bash.run(bash.resolve({ command: `printf seatbelt-ok > ${workdir}/allowed.txt` })) + expect(inside.exitCode).toBe(0) + expect(inside.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('seatbelt-ok') + + const denied = await bash.run(bash.resolve({ command: `echo hi > ${outside}/denied.txt` })) + expect(denied.exitCode).not.toBe(0) + expect(denied.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement: 'full' }) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('classifies a background denial once the task settles', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const task = bash.start(bash.resolve({ command: `echo hi > ${workdir}/bg-denied.txt` })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'bg-denied.txt'))).toBe(false) + }) + + it('an approved escalated retry — the spec-level workspace-write override — lands the exact write read-only denied', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const command = `printf escalated > ${workdir}/escalated.txt` + const strict = await bash.run(bash.resolve({ command })) + expect(strict.exitCode).not.toBe(0) + expect(strict.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'escalated.txt'))).toBe(false) + const retried = await bash.run(bash.resolve({ command, sandboxMode: 'workspace-write' })) + expect(retried.exitCode).toBe(0) + expect(retried.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'escalated.txt'), 'utf8')).toBe('escalated') + }) +}) diff --git a/packages/bash/bash-sandbox/tsconfig.json b/packages/bash/bash-sandbox/tsconfig.json new file mode 100644 index 0000000000..6dad98d54f --- /dev/null +++ b/packages/bash/bash-sandbox/tsconfig.json @@ -0,0 +1,36 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../sandbox/sandbox" + }, + { + "path": "../../bash/bash" + }, + { + "path": "../../bash/bash-local" + } + ] +} diff --git a/packages/bash/bash/README.md b/packages/bash/bash/README.md index 39318ae371..e245148e93 100644 --- a/packages/bash/bash/README.md +++ b/packages/bash/bash/README.md @@ -2,15 +2,16 @@ The **bash executor seam**: an abstract `BashExecutor` service (`ctx.bash`) defining WHAT a bash backend does — run commands, manage background tasks — without saying HOW. -This package is one third of the bash capability, split so each concern can evolve (and be swapped) independently: +This package is the interface quarter of the bash capability, split so each concern can evolve (and be swapped) independently: | Package | Role | |---|---| | `@deepseek-ai/dsh-bash` (this) | the interface: abstract service + vocabulary types | | `@deepseek-ai/dsh-bash-local` | an implementation: local subprocesses | +| `@deepseek-ai/dsh-bash-sandbox` | an implementation: `dsh-bash-local`'s mechanics with every spawn confined via [`ctx.sandbox`](../../sandbox/sandbox/), denials reported as result facts | | `@deepseek-ai/dsh-tool-bash` | the model-facing tool schemas over `ctx.bash` | -The split mirrors the LLM seam (`LlmService`/`LlmAdapter`) and the agent-tool survey: pi hides execution behind a `BashOperations` interface (local shell / SSH / VM backends), Codex behind an exec-server protocol. A future sandboxed, containerized, or remote executor implements this interface and the tool schemas don't change. +The split mirrors the LLM seam (`LlmService`/`LlmAdapter`) and the agent-tool survey: pi hides execution behind a `BashOperations` interface (local shell / SSH / VM backends), Codex behind an exec-server protocol. `dsh-bash-sandbox` is exactly that swap in action — a sandboxing executor behind the same interface, tool schemas untouched; a containerized or remote executor slots in the same way. ## Service API (`ctx.bash`) @@ -19,6 +20,7 @@ The split mirrors the LLM seam (`LlmService`/`LlmAdapter`) and the agent-tool su | `run(spec)` | Foreground execution. Resolves when the command finishes. **Rejects only for infrastructure failures** (unusable workdir, missing shell, pre-aborted signal); nonzero exits, timeout kills, and abort kills resolve with a descriptive `BashRunResult`. | | `start(spec)` | Background execution. Returns a `BashTask` handle immediately; **no timeout applies** (stop tasks via `kill`). | | `get(id)` / `list()` | Task lookup. | +| `sandboxMode` | The capability fact for the tool layer: the default mode a SANDBOXING executor confines under (`undefined` in the base class — "this executor does not sandbox"). `dsh-tool-bash` reads it at registration to advertise the escalation fields only when the composition honors them. | | `ownerOf(id)` | The opaque OWNER token recorded for a background task at `start` (from the spec's `owner`), or `undefined` for an unknown id OR a known-but-ownerless task. The executor stores/returns it verbatim and NEVER interprets it — the access POLICY lives in the consumer (`dsh-tool-bash`), which compares `ownerOf(id)` to the caller's token. Storing ownership here (disposed with the executor's fiber) is what makes it survive a consumer HMR reload. | | `readOutput(id)` | **Incremental** output read — consecutive reads never re-deliver. Reads that lost data to buffer bounds flag `lossy` and point at full-stream spill files. Throws for unknown ids. | | `kill(id)` | Kill a running task. Returns `false` when it already finished; throws for unknown ids. | @@ -28,6 +30,8 @@ Implementations subclass `BashExecutor`, implement the abstract methods, and cal ## Vocabulary -`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner) before execution; `owner` is optional on the request and **required-but-nullable** (`OwnerToken | undefined`) on the resolved spec, so a forgotten owner is a visible `undefined` rather than a silently-absent property. The task id (`BashTaskId`) and the `owner` token (`OwnerToken`) are [branded](../../util/brand) — `OwnerToken` is a DISTINCT brand from `SessionId` (the seam never imports `dsh-session`; the `dsh-tool-bash` consumer is the single boundary that casts its `SessionId` into one). `run()` returns `BashRunResult` (exitCode, signal, timedOut, aborted, timeoutMs, stdout/stderr as `CollectedOutput`) and `start()`/`readOutput()` use `BashTask`/`BashTaskRead` for the background side. See `src/types.ts` for the full contracts. +`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?, sandboxMode?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner, sandboxMode) before execution; `owner` and `sandboxMode` are optional on the request and **required-but-nullable** on the resolved spec, so a forgotten one is a visible `undefined` rather than a silently-absent property. `sandboxMode` is the explicit per-call sandbox-policy input (the staged escalation and per-session overrides of [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md) ride it); a sandboxing executor's `resolve()` stamps its configured default when the request carries none, and a non-sandboxing executor carries the field verbatim and confines nothing. + +The task id (`BashTaskId`) and the `owner` token (`OwnerToken`) are [branded](../../util/brand) — `OwnerToken` is a DISTINCT brand from `SessionId` (the seam never imports `dsh-session`; the `dsh-tool-bash` consumer is the single boundary that casts its `SessionId` into one). `run()` returns `BashRunResult` (exitCode, signal, timedOut, aborted, timeoutMs, stdout/stderr as `CollectedOutput`) and `start()`/`readOutput()` use `BashTask`/`BashTaskRead` for the background side. A sandboxing executor additionally stamps `sandbox` result facts on results and settled tasks (`BashSandboxInfo`: the mode it executed under, the conservative `denied` classification, and — for confined modes — the backend's `enforcement` completeness); the mode/enforcement vocabulary is owned by the [`dsh-sandbox`](../../sandbox/sandbox/) seam, and the facts are documented in [core-data-structures/bash.md](../../../docs/core-data-structures/bash.md). See `src/types.ts` for the full contracts. `stdin` and `env` are set by in-process plugins (the hooks bridges, native plugins) to feed a hook command its JSON payload on stdin and its `CLAUDE_PROJECT_DIR`/`CLAUDE_PLUGIN_ROOT` env. The model-facing `dsh-tool-bash` tool does not expose them as parameters — a model already has equivalent power through shell syntax (`FOO=bar cmd`, a heredoc), so they would be redundant tool params. This is not a security boundary: the implementation's credential scrub (not these fields) is what keeps the harness's ambient secrets out of a spawned command. They are plain optionals on the resolved spec (unlike `owner`'s required-but-nullable): a missing one means "none", the safe default. See [the bash-stdin-env RFC](../../../docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md). diff --git a/packages/bash/bash/package.json b/packages/bash/bash/package.json index f1bc43c2b4..bfa71d73e3 100644 --- a/packages/bash/bash/package.json +++ b/packages/bash/bash/package.json @@ -23,10 +23,14 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "devDependencies": { "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/bash/bash/src/index.ts b/packages/bash/bash/src/index.ts index b629f10e4d..396249d3d7 100644 --- a/packages/bash/bash/src/index.ts +++ b/packages/bash/bash/src/index.ts @@ -15,6 +15,7 @@ */ import { Context, Service } from 'cordis' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskId, BashTaskListener, BashTaskRead, OwnerToken } from './types.ts' export { BashTaskId, OwnerToken } from './types.ts' @@ -22,6 +23,7 @@ export type { BashExecRequest, BashExecSpec, BashRunResult, + BashSandboxInfo, BashTask, BashTaskListener, BashTaskRead, @@ -70,6 +72,21 @@ export abstract class BashExecutor extends Service { }, 'bash listener teardown') } + /** + * The sandbox mode this executor confines commands under BY DEFAULT, or + * `undefined` when it does not sandbox at all — the capability fact the + * tool layer reads to advertise escalation honestly (a mode-widening lever + * is only offered when a sandboxing executor is mounted to honor it, and + * only for modes strictly wider than this one). Composition truth, not + * configuration: the base class reports `undefined`; a sandboxing + * implementation overrides the getter with its configured mode. + * @returns the configured default mode of a sandboxing executor; + * `undefined` for an executor that never confines. + */ + get sandboxMode(): SandboxMode | undefined { + return undefined + } + /** * Resolve a caller's {@link BashExecRequest} into a fully-specified * {@link BashExecSpec}, applying this implementation's config defaults and diff --git a/packages/bash/bash/src/types.ts b/packages/bash/bash/src/types.ts index 4715ace318..39dbc162c6 100644 --- a/packages/bash/bash/src/types.ts +++ b/packages/bash/bash/src/types.ts @@ -7,6 +7,7 @@ */ import type { Branded } from '@deepseek-ai/dsh-brand' +import type { SandboxEnforcement, SandboxMode } from '@deepseek-ai/dsh-sandbox' /** Identifies one background task within an executor (generated `bash-N`). */ export type BashTaskId = Branded<'BashTaskId'> @@ -40,6 +41,48 @@ export function OwnerToken(id: string): OwnerToken { return id as OwnerToken } +/** + * Sandbox facts for one foreground run — present on {@link BashRunResult} iff + * a sandboxing executor ran the command (an unsandboxed executor reports no + * `sandbox` field at all). Reported independently of `exitCode`/`signal` + * (orthogonal outcomes), so a caller can tell "the command failed on its own" + * from "the sandbox blocked a file operation". The mode/enforcement + * vocabulary lives on the `@deepseek-ai/dsh-sandbox` seam; this shape is the + * bash seam's result-fact carrier for it. + */ +export interface BashSandboxInfo { + /** The mode the command actually ran under. */ + mode: SandboxMode + /** + * True when the executor classifies this run's failure as the sandbox + * denying a file operation. The classification is CONSERVATIVE (a failed + * exit whose stderr carries a filesystem-permission signature) and reads + * the COLLECTED stderr — the bounded in-memory tail per + * {@link CollectedOutput} semantics, so a signature that survives only in a + * spill file is missed toward `denied: false`. A plain command failure + * keeps `denied: false` even under a sandboxed mode. + */ + denied: boolean + /** + * How completely the runner enforced `mode`'s file effects — see + * {@link SandboxEnforcement}. Absent exactly when `mode` is + * `danger-full-access`: nothing is confined, so there is no enforcement to + * report. + */ + enforcement?: SandboxEnforcement + /** + * True when the executor classifies this failure as the SANDBOX RUNNER + * itself failing (missing binary, refused profile, fail-closed refusal + * before exec) — the command NEVER RAN; this is a sandbox failure, not a + * task failure, and it outranks `denied` (a runner's own error text can + * contain denial words). Only ever stamped on settled BACKGROUND tasks: a + * foreground run surfaces the same condition as the thrown + * `SANDBOX_UNAVAILABLE` error instead (the foreground path has an error + * channel; a settled task's facts are its only channel). + */ + runnerFailed?: boolean +} + /** * A caller's execution REQUEST: `workdir` and `timeoutMs` are optional and * filled by {@link BashExecutor.resolve} from the implementation's config. @@ -81,6 +124,20 @@ export interface BashExecRequest { * ownerless background start (a non-agent caller). */ owner?: OwnerToken | undefined + /** + * Explicit per-call sandbox-policy input, overriding the executor's + * configured default mode for THIS call. Never a silent default: a + * consumer sets it only from an explicit policy source — an + * `'allowed-once'` grant a human just issued through `ctx.approval` (the + * escalation flow in the sandbox RFC § Escalation, which outranks), or the + * session's standing override folded from its own `bash/sandbox-mode` + * events (the sandbox RFC § Per-session mode switching — the user's recorded per-session + * choice). A sandboxing executor confines THIS call under the given mode; + * a non-sandboxing executor carries the field and confines nothing (the + * tool layer stamps neither escalation nor overrides without a sandboxing + * executor — see {@link BashExecutor.sandboxMode}). + */ + sandboxMode?: SandboxMode | undefined } /** @@ -122,6 +179,16 @@ export interface BashExecSpec { * task. `start()` stores it; `run()` (foreground) ignores it. */ owner: OwnerToken | undefined + /** + * The sandbox mode this call executes under, REQUIRED-but-nullable for the + * same visibility reason as `owner`. A sandboxing executor's `resolve()` + * stamps the effective mode (the request's explicit override, else its + * configured default) so `run()`/`start()` read the spec, never the config; + * a non-sandboxing executor carries the request value through verbatim and + * ignores it (`undefined` under such an executor means what its README says: + * unconfined execution). + */ + sandboxMode: SandboxMode | undefined } /** One captured stream: the (possibly truncated) text plus recovery info. */ @@ -148,6 +215,12 @@ export interface BashRunResult { timeoutMs: number stdout: CollectedOutput stderr: CollectedOutput + /** + * Sandbox facts, present iff a sandboxing executor ran the command — an + * unsandboxed executor (e.g. `dsh-bash-local`) never sets it. See + * {@link BashSandboxInfo} for the `denied` classification semantics. + */ + sandbox?: BashSandboxInfo } /** Lifecycle of a background task. */ @@ -164,6 +237,16 @@ export interface BashTask { signal: NodeJS.Signals | null /** Resolves when the underlying process closes (never rejects). */ readonly done: Promise + /** + * Sandbox facts for this task's execution, stamped by a sandboxing executor + * once the task settles and BEFORE completion listeners are notified — an + * `onTaskDone` consumer and a `done` awaiter both see it. Denial + * classification runs against the settled task's collected stderr, so the + * field cannot exist earlier: absent while the task is running and under an + * executor that does not sandbox. See {@link BashSandboxInfo} for the + * `denied` semantics. + */ + sandbox?: BashSandboxInfo } /** One incremental {@link BashExecutor.readOutput} read. */ diff --git a/packages/bash/bash/tests/service.spec.ts b/packages/bash/bash/tests/service.spec.ts index 81530843ed..94d299f175 100644 --- a/packages/bash/bash/tests/service.spec.ts +++ b/packages/bash/bash/tests/service.spec.ts @@ -15,6 +15,7 @@ class StubExecutor extends BashExecutor { timeoutMs: request.timeoutMs ?? 1000, ...request.signal ? { signal: request.signal } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } } @@ -96,6 +97,11 @@ describe('BashExecutor service seam', () => { expect(result.exitCode).toBe(0) }) + it('reports no default sandbox mode (composition truth: the base never confines)', async () => { + const { bash } = await setup() + expect(bash.sandboxMode).toBeUndefined() + }) + it('onTaskDone delivers completions to registered listeners', async () => { const { bash } = await setup() const seen: string[] = [] diff --git a/packages/bash/bash/tsconfig.json b/packages/bash/bash/tsconfig.json index 342f636170..13d297a292 100644 --- a/packages/bash/bash/tsconfig.json +++ b/packages/bash/bash/tsconfig.json @@ -16,6 +16,12 @@ }, { "path": "../../util/brand" + }, + { + "path": "../../sandbox/sandbox" + }, + { + "path": "../../core/session" } ] } diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md index eabb9298aa..b5f6680717 100644 --- a/packages/bash/tool-bash/README.md +++ b/packages/bash/tool-bash/README.md @@ -4,7 +4,7 @@ The model-facing bash tools — `bash`, `bash_output`, `bash_kill` — registere Requires a loaded executor implementation (e.g. `@deepseek-ai/dsh-bash-local`); the plugin stays pending until `ctx.bash` exists (`inject: ['tools', 'bash', 'systemPrompt']`). -The plugin also contributes the `tool:bash` prompt section (order 105) — the cross-call habit the per-tool descriptions cannot carry: check the `[exit code: N]` marker on every result and investigate failures before moving on. +The plugin also contributes the `tool:bash` prompt section (order 105) — the cross-call habit the per-tool descriptions cannot carry: check the `[exit code: N]` marker on every result and investigate failures before moving on. Under a sandboxing executor it additionally contributes the per-agent `env:bash-sandbox` section (order 110) stating each session's EFFECTIVE mode, and the pre-step narrator — see [Per-session mode](#per-session-mode-switching-and-visibility). ## Tools @@ -17,14 +17,16 @@ The plugin also contributes the `tool:bash` prompt section (order 105) — the c | `timeoutMs` | number | Timeout override in milliseconds. The executor applies its configured default and cap. | | `workdir` | string | Working directory for this call. Defaults to the calling agent's session cwd (`session.header.cwd`) so each session runs in its own workspace; a relative `workdir` is resolved against that session cwd. | | `run_in_background` | boolean | Return a task id immediately; no timeout applies. | +| `sandbox_permissions` | string enum | ADVERTISED ONLY when the mounted executor sandboxes (`ctx.bash.sandboxMode` reports a confining default): the strictly wider mode a denied command needs (`read-only` offers `workspace-write`/`danger-full-access`; `workspace-write` offers `danger-full-access`; nothing above `danger-full-access`, so the fields vanish). | +| `justification` | string | Required together with `sandbox_permissions` (each without the other is a validation error): one sentence for the user explaining why this exact command needs the wider access. | `command`, `workdir`, and `timeoutMs` are resolved against the executor's config defaults via `ctx.bash.resolve()` before execution, so the executor seam (`BashExecSpec`) receives explicit `workdir`/`timeoutMs` values. The workdir default is applied in the tool layer (from the calling agent's `session.header.cwd`) BEFORE `resolve()` — the per-session cwd must come from `exec.agent`, since N sessions share one executor; only when no session cwd is available does the executor fall back to its own config / `process.cwd()`. -Result text: stdout, then a `[stderr]` section, then status markers — `[timed out after Nms]` whenever the executor's timer fired (reported independently of how the process ended, so a command that traps SIGTERM and exits 0 still shows it), `[killed by signal: …]` for a signal death, `[exit code: N]` for a non-zero exit (reported, **not** `isError`: the model decides how to react), and `[output truncated; full output: ]` when the tail was kept and a safe spill file is available. If the executor knows output was dropped but cannot safely advertise a complete spill file, the path is reported as `(unavailable)`. Only infrastructure failures (spawn errors, aborts) surface as `isError` results. +Result text: stdout, then a `[stderr]` section, then status markers — `[sandbox: file access denied under mode]` when a sandboxing executor classified the failure as a policy denial (reported first so `[exit code: N]` stays the last line; the static description tells the model a denial is policy, not a command bug, and forbids retrying around it), `[timed out after Nms]` whenever the executor's timer fired (reported independently of how the process ended, so a command that traps SIGTERM and exits 0 still shows it), `[killed by signal: …]` for a signal death, `[exit code: N]` for a non-zero exit (reported, **not** `isError`: the model decides how to react), and `[output truncated; full output: ]` when the tail was kept and a safe spill file is available. If the executor knows output was dropped but cannot safely advertise a complete spill file, the path is reported as `(unavailable)`. Only infrastructure failures (spawn errors, aborts) surface as `isError` results. ### `bash_output` -`task_id` → output produced **since the previous `bash_output` call** plus a status line (`running` / `completed, exit code: N` / `killed`). Reads that lost data to buffer bounds say so and point at the full-output spill file when one is safely available, otherwise `(unavailable)`. +`task_id` → output produced **since the previous `bash_output` call** plus a status line (`running` / `completed, exit code: N` / `killed`). A settled task classified as a sandbox denial carries the same `[sandbox: file access denied under mode]` marker on every read that sees it (denials are only classifiable once the whole stderr has been collected). Reads that lost data to buffer bounds say so and point at the full-output spill file when one is safely available, otherwise `(unavailable)`. ### `bash_kill` @@ -46,6 +48,9 @@ When a background task finishes, a short notice is injected into the owning agen The `BashExecRequest` seam carries optional `stdin` and `env`, used by the hooks bridges to feed a hook command its JSON payload and `CLAUDE_*` env. This tool does **not** expose them as parameters: its request is built from `command`/`workdir`/`timeoutMs`/`signal`/`owner` only, so a model that includes `env` or `stdin` keys in its tool arguments has them ignored. This is not a trust boundary — a model already has equivalent power through shell syntax (`FOO=bar cmd`, a heredoc), and the real defense against leaking the harness's ambient secrets is `dsh-bash-local`'s credential scrub, which works regardless. A regression guard drives the real tool with those extra args and asserts the resulting request carries neither field — its job is to catch a future refactor that blindly spreads `...args` into the request (which would silently forward model input into the post-scrub `env` merge), not to defend a wall. See [the bash-stdin-env RFC](../../../docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md). -## Permissions +## Permissions and escalation + +Commands run with the executor's full authority unless a sandboxing executor ([`dsh-bash-sandbox`](../bash-sandbox/)) confines them — the deny-only sandbox reports denials as result facts, rendered here as the denial marker; per-call allow/deny/ask policy is the `tools/pre-execute` waterfall (see docs/architecture.md). + +The escalation gate — one approved wider retry of a denied command through `ctx.approval` — is the sandbox RFC's staged follow-up ([§ Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)); this layer today renders the denial facts and forbids retrying around them. -`TODO(permissions)`: commands run with the executor's full authority. The permission/sandbox seam is the `tools/pre-execute` waterfall (deny or ask) plus sandboxing `BashExecutor` implementations — see docs/architecture.md. `@cordisjs/plugin-capability` (a named-permission service with a session `test()`) is a candidate building block for that work. diff --git a/packages/bash/tool-bash/package.json b/packages/bash/tool-bash/package.json index d8836d6a21..b08ccd7b74 100644 --- a/packages/bash/tool-bash/package.json +++ b/packages/bash/tool-bash/package.json @@ -25,6 +25,7 @@ "@deepseek-ai/dsh-agent": "^0.0.1", "@deepseek-ai/dsh-bash": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", "@deepseek-ai/dsh-system-prompt": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", "cordis": "^4.0.0-rc.6" @@ -34,8 +35,10 @@ "@deepseek-ai/dsh-agent-loop": "workspace:^", "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", + "@deepseek-ai/dsh-bash-sandbox": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", - "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "@deepseek-ai/dsh-sandbox-local": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "cordis": "^4.0.0-rc.6" diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index d4a3105165..9544858c9e 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -30,10 +30,15 @@ * completion landing during the reload gap still drops its one notice — the * pre-existing reload-gap drop — but the ownership fence itself is HMR-proof.) * - * TODO(permissions): commands run with the executor's full authority. The - * permission/sandbox seam is the `tools/pre-execute` waterfall (deny/ask) plus - * sandboxing `BashExecutor` implementations — see docs/architecture.md - * § Extending The Harness. + * Commands run with the executor's full authority unless a sandboxing + * executor (`@deepseek-ai/dsh-bash-sandbox`) confines them; per-call + * allow/deny/ask policy is the `tools/pre-execute` waterfall — see + * docs/architecture.md § Extension And Composition. A sandbox denial is a + * RESULT FACT this layer renders as its own marker (the command RAN and the + * kernel refused a file effect), and a sandbox RUNNER failure renders as a + * sandbox problem, never a command failure. The escalation surface and the + * per-session mode switching are staged follow-ups of the sandbox RFC + * (docs/rfc/proposed/feature/2026-07-06-sandbox.md). * * @module @deepseek-ai/dsh-tool-bash */ @@ -115,6 +120,12 @@ export function renderResult(result: BashRunResult): string { if (body.length === 0) body = '(no output)' const markers: string[] = [] + // The sandbox marker precedes the exit-status markers so `[exit code: N]` + // stays the LAST line (exitStatus() anchors its parse there). Denial is a + // reported fact like timeout: the model decides how to react. + if (result.sandbox?.denied) { + markers.push(`[sandbox: file access denied under ${result.sandbox.mode} mode]`) + } // Timeout is reported independently of how the process actually ended: a // command can trap SIGTERM and exit 0 after our timer fired (e.g. // `trap "exit 0" TERM; sleep 60`), giving timedOut:true / exitCode:0 / @@ -360,6 +371,7 @@ export function apply(ctx: Context): void { description: 'Execute a bash command (`bash -c`) and return its stdout/stderr. ' + 'Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — ' + 'pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. ' + + 'Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). ' + 'Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. ' + 'Set `run_in_background: true` for long-running commands: the call returns a task id immediately; ' + 'poll it with `bash_output` and stop it with `bash_kill`.', @@ -428,6 +440,17 @@ export function apply(ctx: Context): void { text += `\n[some output was dropped from memory; full output: ${fullOutput}]` } text += `\n${statusLine(read.task)}` + if (read.task.sandbox?.runnerFailed) { + // The sandbox RUNNER itself failed — the command never ran. The + // foreground path surfaces this as the structured SANDBOX_UNAVAILABLE + // error; a settled task's read carries the marker instead. + text += `\n[sandbox: the sandbox runner itself failed under ${read.task.sandbox.mode} mode — the command did not run; this is a sandbox problem, not a command failure]` + } else if (read.task.sandbox?.denied) { + // Mirrors the foreground result marker. Background denials are only + // classifiable once the task settles (the classifier needs the whole + // stderr), so the marker rides every read that sees the settled task. + text += `\n[sandbox: file access denied under ${read.task.sandbox.mode} mode]` + } return Promise.resolve([{ type: 'text', text }]) }, presentCall: args => presentTaskCall('Read output from', args), diff --git a/packages/bash/tool-bash/tests/tools.spec.ts b/packages/bash/tool-bash/tests/tools.spec.ts index 7d4b34f74f..2af987e941 100644 --- a/packages/bash/tool-bash/tests/tools.spec.ts +++ b/packages/bash/tool-bash/tests/tools.spec.ts @@ -1,4 +1,4 @@ -import { mkdtempSync } from 'node:fs' +import { chmodSync, mkdirSync, mkdtempSync } from 'node:fs' import { tmpdir } from 'node:os' import { join } from 'node:path' import { describe, expect, it, vi } from 'vitest' @@ -11,11 +11,20 @@ import ToolRegistry from '@deepseek-ai/dsh-tools' import AgentRegistry from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' +import { SandboxProvider } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedArgv } from '@deepseek-ai/dsh-sandbox' +import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' import * as ToolBash from '@deepseek-ai/dsh-tool-bash' import { renderResult } from '@deepseek-ai/dsh-tool-bash' const spillDir = mkdtempSync(join(tmpdir(), 'dsh-tool-bash-spec-')) +// Pure-config passthrough runner (same knob the snapshot tier uses): skips the +// profile args up to `--` and execs the command unconfined — deterministic +// without a host bwrap. +const PASSTHROUGH_RUNNER = ['bash', '-c', 'while [ "$1" != "--" ]; do shift; done; shift; exec "$@"', 'passthrough-runner'] + async function setup() { const ctx = new Context() await ctx.plugin(SystemPrompt) @@ -100,6 +109,7 @@ class LossyReadBashExecutor extends BashExecutor { timeoutMs: request.timeoutMs ?? 0, ...request.signal ? { signal: request.signal } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } } @@ -894,6 +904,7 @@ describe('the model-facing bash tool builds its request from named args only (no ...request.stdin !== undefined ? { stdin: request.stdin } : {}, ...request.env !== undefined ? { env: request.env } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } } run(): Promise { @@ -970,3 +981,89 @@ describe('the model-facing bash tool builds its request from named args only (no expect('owner' in request).toBe(true) }) }) + +describe('sandbox rendering', () => { + const sandboxResult = (denied: boolean, exitCode: number): BashRunResult => ({ + exitCode, + signal: null, + timedOut: false, + aborted: false, + timeoutMs: 1000, + stdout: { text: '', truncated: false }, + stderr: { text: denied ? 'bash: /x: Read-only file system' : 'boom', truncated: false }, + sandbox: { mode: 'read-only', denied }, + }) + + it('renders a denial marker BEFORE the exit-code marker (the $-anchored parse survives)', () => { + const text = renderResult(sandboxResult(true, 1)) + expect(text).toMatch(/\[sandbox: file access denied under read-only mode\]\n\[exit code: 1\]$/) + }) + + it('renders no sandbox marker for a plain failure under a sandboxed mode', () => { + expect(renderResult(sandboxResult(false, 2))).not.toContain('[sandbox:') + }) + + it('bash_output reports a settled background denial with the same marker', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + await ctx.plugin(ToolBash) + const started = await call(ctx, 'bash', { command: 'echo "x: Permission denied" >&2; exit 1', description: 'test command', run_in_background: true }) + const id = text(started).match(/started background task (bash-\d+)/)![1] + await bash.list().find(task => task.id === id)!.done + const read = await call(ctx, 'bash_output', { task_id: id }) + expect(text(read)).toMatch(/\[status: completed, exit code: 1\]\n\[sandbox: file access denied under read-only mode\]$/) + }) + + it('bash_output reports a settled background RUNNER failure as a sandbox problem, outranking the denial marker', async () => { + // A provider whose wrap carries a runner-failure signature: the settled + // task's stderr matching it means the sandbox itself broke and the + // command never ran — even though the same stderr also carries denial + // words (a runner's error text may contain them). + class FakeProvider extends SandboxProvider { + confine(argv: readonly string[]): ConfinedArgv { + return { argv: [...argv], enforcement: 'full', denialSignatures: ['permission denied'], runnerFailureSignatures: ['fake-runner: '] } + } + } + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(FakeProvider) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + await ctx.plugin(ToolBash) + const started = await call(ctx, 'bash', { command: 'echo "fake-runner: cannot open rule path: /x: Permission denied" >&2; exit 125', description: 'test command', run_in_background: true }) + const id = text(started).match(/started background task (bash-\d+)/)![1] + await bash.list().find(task => task.id === id)!.done + const read = await call(ctx, 'bash_output', { task_id: id }) + expect(text(read)).toMatch(/\[sandbox: the sandbox runner itself failed under read-only mode — the command did not run; /) + expect(text(read)).toMatch(/this is a sandbox problem, not a command failure\]$/) + expect(text(read)).not.toContain('file access denied') + }) + + it('reports a real denial end-to-end through the shipping sandbox executor', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + await ctx.plugin(ToolBash) + const lockedDir = join(mkdtempSync(join(tmpdir(), 'dsh-tool-bash-denied-')), 'locked') + mkdirSync(lockedDir) + chmodSync(lockedDir, 0o555) + const result = await call(ctx, 'bash', { command: `echo x > ${lockedDir}/f`, description: 'Write into a locked directory' }) + expect(result.isError).toBe(false) + expect(text(result)).toMatch(/\[sandbox: file access denied under read-only mode\]\n\[exit code: \d+\]$/) + }) +}) + diff --git a/packages/bash/tool-bash/tsconfig.json b/packages/bash/tool-bash/tsconfig.json index 89b10bfea8..6f70e81873 100644 --- a/packages/bash/tool-bash/tsconfig.json +++ b/packages/bash/tool-bash/tsconfig.json @@ -25,6 +25,15 @@ }, { "path": "../../bash/bash" + }, + { + "path": "../../core/system-prompt" + }, + { + "path": "../../approval/approval" + }, + { + "path": "../../sandbox/sandbox" } ] } diff --git a/packages/hooks/hook-protocol/tests/runner.spec.ts b/packages/hooks/hook-protocol/tests/runner.spec.ts index 1972a39c99..6f52198a93 100644 --- a/packages/hooks/hook-protocol/tests/runner.spec.ts +++ b/packages/hooks/hook-protocol/tests/runner.spec.ts @@ -26,6 +26,7 @@ function recordingBash(run: (spec: BashExecSpec) => Promise): { ...request.stdin !== undefined ? { stdin: request.stdin } : {}, ...request.env !== undefined ? { env: request.env } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } }, async run(spec: BashExecSpec): Promise { diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 27302831d6..1afe78f76e 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -98,6 +98,12 @@ importers: '@deepseek-ai/dsh-brand': specifier: workspace:^ version: link:../../util/brand + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../../sandbox/sandbox + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -118,6 +124,31 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/bash/bash-sandbox: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-bash': + specifier: workspace:^ + version: link:../bash + '@deepseek-ai/dsh-bash-local': + specifier: workspace:^ + version: link:../bash-local + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../../sandbox/sandbox + '@deepseek-ai/dsh-sandbox-local': + specifier: workspace:^ + version: link:../../sandbox/sandbox-local + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + node-addon-landlock-run: + specifier: 0.0.0-test.0 + version: 0.0.0-test.0 + packages/bash/tool-bash: devDependencies: '@deepseek-ai/dsh-agent': @@ -132,12 +163,18 @@ importers: '@deepseek-ai/dsh-bash-local': specifier: workspace:^ version: link:../bash-local + '@deepseek-ai/dsh-bash-sandbox': + specifier: workspace:^ + version: link:../bash-sandbox '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm - '@deepseek-ai/dsh-session': + '@deepseek-ai/dsh-sandbox': specifier: workspace:^ - version: link:../../core/session + version: link:../../sandbox/sandbox + '@deepseek-ai/dsh-sandbox-local': + specifier: workspace:^ + version: link:../../sandbox/sandbox-local '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../../core/system-prompt diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index dd6c6fb67d..ae52bdb307 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -156,9 +156,9 @@ const SERVICE_ROLES: ServiceRole[] = [ pkg: 'bash', title: 'Bash executor seam', mode: 'seam', - implementations: ['bash-local'], + implementations: ['bash-local', 'bash-sandbox'], consumers: ['tool-bash', 'hooks-claude', 'hooks-codex'], - note: 'The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors can replace bash-local.', + note: 'The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors replace bash-local without touching them.', }, { key: 'sandbox', @@ -166,7 +166,7 @@ const SERVICE_ROLES: ServiceRole[] = [ title: 'Process-sandbox seam', mode: 'seam', implementations: ['sandbox-local'], - consumers: [], + consumers: ['bash-sandbox'], note: 'Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement.', }, { diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index 881ce06578..d1481c24ba 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -59,6 +59,8 @@ { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecRequest", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecSpec", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashRunResult", "source": "packages/bash/bash/src/types.ts" }, + { "doc": "docs/core-data-structures/bash.md", "symbol": "SandboxMode", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/bash.md", "symbol": "BashSandboxInfo", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "CollectedOutput", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTask", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTaskRead", "source": "packages/bash/bash/src/types.ts" }, diff --git a/tsconfig.build.json b/tsconfig.build.json index c6c814c221..f5015b0906 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -21,6 +21,7 @@ { "path": "./packages/approval/approval" }, { "path": "./packages/sandbox/sandbox" }, { "path": "./packages/sandbox/sandbox-local" }, + { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, diff --git a/tsconfig.json b/tsconfig.json index cd458490f7..59d9c3598a 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -32,6 +32,7 @@ { "path": "./packages/approval/approval" }, { "path": "./packages/sandbox/sandbox" }, { "path": "./packages/sandbox/sandbox-local" }, + { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, { "path": "./packages/core/tools" }, From 0e49615a3d0de643d068514c672dbcad40e7ffa2 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 16:37:10 +0800 Subject: [PATCH 74/90] =?UTF-8?q?feat(tool-bash):=20sandbox=20escalation?= =?UTF-8?q?=20=E2=80=94=20one=20approved=20wider=20retry=20after=20a=20den?= =?UTF-8?q?ial?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The tool gate advertises sandbox_permissions (an enum of exactly the modes STRICTLY WIDER than the mounted executor default — the schema makes a non-widening request inexpressible) plus a required justification, exactly when ctx.bash.sandboxMode reports a confining mode at registration: composition truth, never a dead lever. An escalating call resolves ctx.approval BEFORE anything executes with the audit-self-contained reason "escalate sandbox to : "; allowed-once stamps the granted mode onto that one bash request (the seam-level per-call override), while rejected / cancelled / unavailable and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The description teaches the flow only when the fields exist: retry the SAME command once after a real denial, never preemptively; a rejected escalation is final. No new session events: the attempt is an ordinary tool/call, the decision is the approval audit pair, the outcome an ordinary tool/result whose facts name the mode it ran under. --- docs/capability-seams.md | 3 +- packages/bash/tool-bash/README.md | 2 +- packages/bash/tool-bash/package.json | 3 + packages/bash/tool-bash/src/index.ts | 237 ++++++++++++++--- packages/bash/tool-bash/tests/tools.spec.ts | 274 +++++++++++++++++++- pnpm-lock.yaml | 6 + scripts/gen-doc-graphs.ts | 2 +- 7 files changed, 493 insertions(+), 34 deletions(-) diff --git a/docs/capability-seams.md b/docs/capability-seams.md index 703226a968..7b3b7aca20 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -123,6 +123,7 @@ flowchart LR svc_agents --> pkg_invariants svc_agents --> pkg_stdio_agent svc_agents --> pkg_subagent_inprocess + svc_approval --> pkg_tool_bash svc_approval --> pkg_tools svc_bash --> pkg_hooks_claude svc_bash --> pkg_hooks_codex @@ -174,7 +175,7 @@ flowchart LR | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | | `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local), [`bash-sandbox`](../packages/bash/bash-sandbox) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors replace bash-local without touching them. | | `ctx.sandbox` | `seam` | [`sandbox`](../packages/sandbox/sandbox) | [`sandbox-local`](../packages/sandbox/sandbox-local) | [`bash-sandbox`](../packages/bash/bash-sandbox) | - | Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement. | -| `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | +| `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools), [`tool-bash`](../packages/bash/tool-bash) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | | `ctx.codeRuntime` | `seam` | [`code-runtime`](../packages/code-runtime/code-runtime) | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | [`tools`](../packages/core/tools) | - | Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode). | | `ctx.fs` | `seam` | [`fs`](../packages/fs/fs) | [`fs-local`](../packages/fs/fs-local) | [`tool-fs`](../packages/fs/tool-fs) | [`fs-policy`](../packages/fs/fs-policy) | tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate. | | `ctx.compact` | `seam` | [`compact`](../packages/compact/compact) | [`compact-basic`](../packages/compact/compact-basic) | [`compact-basic`](../packages/compact/compact-basic) | - | The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred. | diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md index b5f6680717..a45962e29c 100644 --- a/packages/bash/tool-bash/README.md +++ b/packages/bash/tool-bash/README.md @@ -52,5 +52,5 @@ The `BashExecRequest` seam carries optional `stdin` and `env`, used by the hooks Commands run with the executor's full authority unless a sandboxing executor ([`dsh-bash-sandbox`](../bash-sandbox/)) confines them — the deny-only sandbox reports denials as result facts, rendered here as the denial marker; per-call allow/deny/ask policy is the `tools/pre-execute` waterfall (see docs/architecture.md). -The escalation gate — one approved wider retry of a denied command through `ctx.approval` — is the sandbox RFC's staged follow-up ([§ Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)); this layer today renders the denial facts and forbids retrying around them. +On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../approval/approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the executor's default), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. diff --git a/packages/bash/tool-bash/package.json b/packages/bash/tool-bash/package.json index b08ccd7b74..bd8f8c1aea 100644 --- a/packages/bash/tool-bash/package.json +++ b/packages/bash/tool-bash/package.json @@ -23,6 +23,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-approval": "^0.0.1", "@deepseek-ai/dsh-bash": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-sandbox": "^0.0.1", @@ -33,12 +34,14 @@ "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-approval": "workspace:^", "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", "@deepseek-ai/dsh-bash-sandbox": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-sandbox": "workspace:^", "@deepseek-ai/dsh-sandbox-local": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "cordis": "^4.0.0-rc.6" diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index 9544858c9e..da6c5c3325 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -33,12 +33,16 @@ * Commands run with the executor's full authority unless a sandboxing * executor (`@deepseek-ai/dsh-bash-sandbox`) confines them; per-call * allow/deny/ask policy is the `tools/pre-execute` waterfall — see - * docs/architecture.md § Extension And Composition. A sandbox denial is a - * RESULT FACT this layer renders as its own marker (the command RAN and the - * kernel refused a file effect), and a sandbox RUNNER failure renders as a - * sandbox problem, never a command failure. The escalation surface and the - * per-session mode switching are staged follow-ups of the sandbox RFC - * (docs/rfc/proposed/feature/2026-07-06-sandbox.md). + * docs/architecture.md § Extension And Composition. Under a sandboxing + * executor this plugin also advertises the ESCALATION surface + * (`sandbox_permissions`/`justification` — the sandbox RFC § Escalation, + * docs/rfc/proposed/feature/2026-07-06-sandbox.md): a command the + * sandbox denied may be retried once under a strictly wider mode, resolved + * through `ctx.approval` BEFORE anything executes and failing closed on every + * unanswerable path. The fields exist only when the mounted executor reports + * a confining default (`ctx.bash.sandboxMode`) — a lever is never advertised + * that the composition cannot honor. Per-session mode switching is the + * sandbox RFC's staged follow-up. * * @module @deepseek-ai/dsh-tool-bash */ @@ -46,9 +50,15 @@ import type { Context } from 'cordis' import { isAbsolute, resolve as resolvePath } from 'node:path' import { defineTool } from '@deepseek-ai/dsh-tools' -import type { GenericCallView, TerminalCallView, ToolResult, ToolResultView } from '@deepseek-ai/dsh-tools' +import type { GenericCallView, TerminalCallView, ToolExecution, ToolResult, ToolResultView } from '@deepseek-ai/dsh-tools' import type { Agent } from '@deepseek-ai/dsh-agent' +import { assertNever } from '@deepseek-ai/dsh-llm' import type {} from '@deepseek-ai/dsh-system-prompt' +// Side-effect type import: declaration-merges `ctx.approval`, consumed +// opportunistically by the escalation gate (`ctx.get('approval')` — the seam +// stays optional at runtime, same pattern as dsh-tools' ask routing). +import type {} from '@deepseek-ai/dsh-approval' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' import { BashTaskId, OwnerToken } from '@deepseek-ai/dsh-bash' import type { BashRunResult, BashTask, CollectedOutput } from '@deepseek-ai/dsh-bash' @@ -60,16 +70,12 @@ export const inject = ['tools', 'bash', 'systemPrompt'] * validates parsed args against the SchemaSpec before `execute` runs (the * arg-validation RFC), so type/required/enum checks are already done and `args` * is the validated `InferArgs` shape here. What remains are value constraints - * the DSL has no vocabulary for: non-empty strings and a positive, finite - * timeout. + * the DSL has no vocabulary for: non-empty strings, a positive finite timeout, + * and the escalation pairing (`sandbox_permissions` and `justification` travel + * together — an approval prompt without a reason, or a reason driving nothing, + * is a malformed ask). */ -function validateBashArgs(args: { - command: string - description: string - timeoutMs?: number - workdir?: string - run_in_background?: boolean -}): void { +function validateBashArgs(args: BashToolArgs): void { if (args.command.trim().length === 0) { throw new Error('invalid command: expected a non-empty string') } @@ -79,6 +85,15 @@ function validateBashArgs(args: { if (args.timeoutMs !== undefined && (!Number.isFinite(args.timeoutMs) || args.timeoutMs <= 0)) { throw new Error(`invalid timeoutMs: expected a positive number, got ${JSON.stringify(args.timeoutMs)}`) } + if (args.sandbox_permissions !== undefined && args.justification === undefined) { + throw new Error('invalid escalation: sandbox_permissions requires a justification') + } + if (args.justification !== undefined && args.sandbox_permissions === undefined) { + throw new Error('invalid escalation: justification is only valid together with sandbox_permissions') + } + if (args.justification !== undefined && args.justification.trim().length === 0) { + throw new Error('invalid justification: expected a non-empty sentence') + } } /** @@ -93,6 +108,75 @@ function validateTaskId(value: string): BashTaskId { return BashTaskId(value) } +/** + * The bash tool's validated argument shape — the base parameters plus the two + * escalation fields, which are ADVERTISED only when the mounted executor + * reports a confining default mode (absent from the schema otherwise, so the + * SchemaSpec validator rejects them before `execute` ever sees one). + */ +interface BashToolArgs { + command: string + description: string + timeoutMs?: number + workdir?: string + run_in_background?: boolean + sandbox_permissions?: string + justification?: string +} + +/** + * The strictly-wider table: what a call whose effective mode is the key may + * escalate TO. Checked at EXECUTION, never baked into the schema — the + * schema's enum is {@link ESCALATION_TARGETS}, because schemas are + * registry-global while the effective mode is per-call truth. + */ +const WIDER_MODES: Record = { + 'read-only': ['workspace-write', 'danger-full-access'], + 'workspace-write': ['danger-full-access'], +} + +/** + * The closed escalation-target vocabulary — every mode a call could ever + * escalate TO (`read-only` is the floor; nothing escalates to it). Advertised + * whenever the mounted executor confines: cutting the enum down to the modes + * wider than the executor's DEFAULT would strand a session whose effective + * mode sits below it (a `danger-full-access` default would advertise nothing + * while a narrower-switched session stays confined with no lever). + */ +const ESCALATION_TARGETS: readonly SandboxMode[] = ['workspace-write', 'danger-full-access'] + +/** + * The bash tool's static description. The base text is byte-stable regardless + * of composition (it is part of the pinned snapshot header); the escalation + * teaching rides only when the mounted executor actually honors the fields — + * it names the ONE sanctioned exception to the base text's "do not retry + * another way" rule. Its deference clause ("If the session states approval + * prompts are disabled…") points at the approval plugin's never-policy prompt + * sentence by meaning, not by parsed wording — a rendezvous kept working by + * that sentence continuing to open with the approvals-disabled claim. + */ +function bashDescription(escalationModes: readonly SandboxMode[]): string { + const base = 'Execute a bash command (`bash -c`) and return its stdout/stderr. ' + + 'Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — ' + + 'pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. ' + + 'Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). ' + + 'Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. ' + + 'Set `run_in_background: true` for long-running commands: the call returns a task id immediately; ' + + 'poll it with `bash_output` and stop it with `bash_kill`.' + if (escalationModes.length === 0) return base + return base + ' Attempting a command the sandbox may deny is safe and expected: run it and read the ' + + 'marker rather than assuming the denial. When a command IS denied and a wider mode would let it ' + + 'succeed, escalate immediately in the SAME turn — the ONE sanctioned exception to a denial: retry ' + + 'the exact same command once with `sandbox_permissions` (the narrowest wider mode that suffices) ' + + 'plus a one-sentence `justification`. Do not detour through chat to ask permission first — the ' + + 'approval prompt raised by that retry IS how the user consents. If the session states approval ' + + 'prompts are disabled, there is no exception: a denial is final — do not set `sandbox_permissions`. ' + + 'Never escalate speculatively: ground the request in a real denial — normally the one THIS command ' + + 'just hit; escalating up front is fine only when this session already denied the same access. ' + + 'A rejected escalation is final for THAT command — stop and explain, never work around ' + + 'it — but it does not forbid attempting or escalating other commands later.' +} + /** Append the truncation notice (with the full-output spill path) to a stream's text. */ function streamText(output: CollectedOutput): string { if (!output.truncated) return output.text @@ -105,9 +189,15 @@ function streamText(output: CollectedOutput): string { * errored — the model decides how to react; only infrastructure failures * (spawn errors, aborts) surface as isError results. * @param result - the completed foreground run from the executor. + * @param escalationModes - the escalation targets this composition advertises; + * non-empty adds the same-turn escalation hint after a denial marker + * (default `[]`: no hint). * @returns the model-facing text: output body (or `(no output)`), then any timeout/signal/exit markers, each on its own line. */ -export function renderResult(result: BashRunResult): string { +export function renderResult( + result: BashRunResult, + escalationModes: readonly SandboxMode[] = [], +): string { const out = streamText(result.stdout) const err = streamText(result.stderr) @@ -125,6 +215,13 @@ export function renderResult(result: BashRunResult): string { // reported fact like timeout: the model decides how to react. if (result.sandbox?.denied) { markers.push(`[sandbox: file access denied under ${result.sandbox.mode} mode]`) + // The same-turn nudge lives at the decision point: only when this + // composition advertises the fields (a lever is never hinted that the + // schema does not offer), and inside the sandbox marker family so the + // exit-code marker stays the last line. + if (escalationModes.length > 0) { + markers.push('[sandbox: escalation available — retry this exact command once with sandbox_permissions (the narrowest wider mode that suffices) + justification; the approval prompt asks the user]') + } } // Timeout is reported independently of how the process actually ended: a // command can trap SIGTERM and exit 0 after our timer fired (e.g. @@ -366,15 +463,73 @@ export function apply(ctx: Context): void { } }) + // The escalation surface exists exactly when the mounted executor confines + // under a default that has a strictly wider mode to escalate to — a lever + // is never advertised that the composition cannot honor. Registration time + // is the right read: the executor's default is config-fixed for its + // lifetime, and an executor swap restarts this fiber (static inject) and + // re-registers the schema. + const defaultMode = ctx.bash.sandboxMode + const escalationModes: readonly SandboxMode[] = defaultMode === undefined ? [] : ESCALATION_TARGETS + + /** + * Resolve a sandbox-escalation request through `ctx.approval` BEFORE + * anything executes. Returns the granted mode to stamp onto the bash + * request; throws the distinct fail-closed text for every other path (no + * service composed, an agent-less execution, a rejection, a cancellation, + * an unanswerable ask) — the registry turns the throw into this call's + * isError result, and nothing has run. The seam is consumed + * opportunistically (`ctx.get`, the dsh-tools ask-routing pattern), so a + * deployment without it degrades per call, never at registration. + */ + const approveEscalation = async (mode: string, justification: string, exec: ToolExecution): Promise => { + // Schema validation only checks ADVERTISED keys, so an unadvertised + // `sandbox_permissions` (no sandboxing executor, or a `danger-full-access` + // default with nothing wider) still reaches execute — reject it here so a + // human is never prompted to "escalate" a sandbox that is not there. When + // the fields ARE advertised, the registry's SchemaSpec enum has already + // pinned `mode` to this ladder for every caller. + if (escalationModes.length === 0) { + throw new Error('sandbox_permissions is not available in this composition (no sandboxing executor to escalate)') + } + // Strict widening is an EXECUTION check against the call's effective + // mode, deliberately not a schema constraint (the enum is the closed + // target vocabulary; the effective mode is per-call truth). A + // non-widening request fails closed here and never prompts a human. + const effectiveMode = defaultMode as SandboxMode + if (!(WIDER_MODES[effectiveMode] ?? []).includes(mode as SandboxMode)) { + throw new Error(`sandbox escalation to "${mode}" is not strictly wider than this call's current "${effectiveMode}" mode`) + } + const approval = ctx.get('approval') + if (approval === undefined) { + throw new Error(`sandbox escalation to "${mode}" requires approval, but no approval service is composed`) + } + if (exec.agent === undefined) { + throw new Error(`sandbox escalation to "${mode}" requires approval, but the call has no agent to route it through`) + } + const outcome = await approval.request({ + agent: exec.agent, + toolName: 'bash', + callId: exec.callId, + // Self-contained for the audit trail: approval/asked stores this + // reason, and the target mode is part of the grant's identity. + reason: `escalate sandbox to ${mode}: ${justification}`, + ...exec.signal ? { signal: exec.signal } : {}, + }) + switch (outcome) { + // The SchemaSpec enum already pinned `mode` to this executor's wider + // ladder; the cast records that validated fact. + case 'allowed-once': return mode as SandboxMode + case 'rejected': throw new Error(`the user rejected escalating this command to "${mode}"`) + case 'cancelled': throw new Error(`approval for escalating to "${mode}" was cancelled`) + case 'unavailable': throw new Error(`sandbox escalation to "${mode}" requires approval, but no approval channel is available`) + default: return assertNever(outcome, 'ApprovalOutcome') + } + } + ctx.tools.register(defineTool({ name: 'bash', - description: 'Execute a bash command (`bash -c`) and return its stdout/stderr. ' - + 'Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — ' - + 'pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. ' - + 'Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). ' - + 'Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. ' - + 'Set `run_in_background: true` for long-running commands: the call returns a task id immediately; ' - + 'poll it with `bash_output` and stop it with `bash_kill`.', + description: bashDescription(escalationModes), parameters: { command: { type: 'string', required: true, description: 'The bash command to execute.' }, description: { @@ -387,12 +542,31 @@ export function apply(ctx: Context): void { timeoutMs: { type: 'number', description: 'Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry.' }, workdir: { type: 'string', description: 'Working directory for this command. Defaults to the session workspace; a relative path is resolved against it.' }, run_in_background: { type: 'boolean', description: 'Run in the background and return a task id immediately. No timeout applies.' }, + ...escalationModes.length > 0 ? { + sandbox_permissions: { + type: 'string' as const, + enum: [...escalationModes], + description: 'The wider sandbox mode this command needs. Only valid as a one-shot retry ' + + 'of a command the sandbox just denied; requires justification and user approval.', + }, + justification: { + type: 'string' as const, + description: 'Required with sandbox_permissions: one sentence for the user explaining ' + + 'why this exact command needs the wider access.', + }, + } : {}, }, - async execute(args, exec) { + async execute(args: BashToolArgs, exec) { validateBashArgs(args) // `description` is display/logging metadata only (surfaced to UIs via // the tool/call session event); it is intentionally NOT forwarded to // ctx.bash and has no effect on execution. + // An escalating call resolves approval BEFORE anything executes; every + // non-grant outcome throws its distinct error text and runs nothing. + // (validateBashArgs pinned the pairing, so the double narrow is exact.) + const sandboxMode = args.sandbox_permissions !== undefined && args.justification !== undefined + ? await approveEscalation(args.sandbox_permissions, args.justification, exec) + : undefined // Default the workdir to the calling agent's session cwd so each ACP // session runs in its own workspace (see resolveWorkdir); an explicit // model workdir still wins. @@ -402,6 +576,7 @@ export function apply(ctx: Context): void { ...workdir !== undefined ? { workdir } : {}, ...args.timeoutMs !== undefined ? { timeoutMs: args.timeoutMs } : {}, ...exec.signal ? { signal: exec.signal } : {}, + ...sandboxMode !== undefined ? { sandboxMode } : {}, } if (args.run_in_background === true) { // Stamp the owner token (the agent's session id) onto the spec so the @@ -413,7 +588,7 @@ export function apply(ctx: Context): void { } const result = await ctx.bash.run(ctx.bash.resolve(request)) if (result.aborted) throw new Error('command aborted') - return [{ type: 'text', text: renderResult(result) }] + return [{ type: 'text', text: renderResult(result, escalationModes) }] }, presentCall: presentBashCall, presentResult: presentBashResult, @@ -446,10 +621,14 @@ export function apply(ctx: Context): void { // error; a settled task's read carries the marker instead. text += `\n[sandbox: the sandbox runner itself failed under ${read.task.sandbox.mode} mode — the command did not run; this is a sandbox problem, not a command failure]` } else if (read.task.sandbox?.denied) { - // Mirrors the foreground result marker. Background denials are only - // classifiable once the task settles (the classifier needs the whole - // stderr), so the marker rides every read that sees the settled task. + // Mirrors the foreground result marker (and its same-turn escalation + // hint). Background denials are only classifiable once the task + // settles (the classifier needs the whole stderr), so the marker + // rides every read that sees the settled task. text += `\n[sandbox: file access denied under ${read.task.sandbox.mode} mode]` + if (escalationModes.length > 0) { + text += '\n[sandbox: escalation available — retry this exact command once with sandbox_permissions (the narrowest wider mode that suffices) + justification; the approval prompt asks the user]' + } } return Promise.resolve([{ type: 'text', text }]) }, diff --git a/packages/bash/tool-bash/tests/tools.spec.ts b/packages/bash/tool-bash/tests/tools.spec.ts index 2af987e941..9ae80f28fb 100644 --- a/packages/bash/tool-bash/tests/tools.spec.ts +++ b/packages/bash/tool-bash/tests/tools.spec.ts @@ -15,6 +15,8 @@ import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' import { SandboxProvider } from '@deepseek-ai/dsh-sandbox' import type { ConfinedArgv } from '@deepseek-ai/dsh-sandbox' import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' +import ApprovalService from '@deepseek-ai/dsh-approval' +import type { ApprovalOutcome } from '@deepseek-ai/dsh-approval' import * as ToolBash from '@deepseek-ai/dsh-tool-bash' import { renderResult } from '@deepseek-ai/dsh-tool-bash' @@ -999,6 +1001,17 @@ describe('sandbox rendering', () => { expect(text).toMatch(/\[sandbox: file access denied under read-only mode\]\n\[exit code: 1\]$/) }) + it('appends the same-turn escalation hint to a denial exactly when the fields are advertised', () => { + const hinted = renderResult(sandboxResult(true, 1), ['workspace-write', 'danger-full-access']) + expect(hinted).toMatch( + /denied under read-only mode\]\n\[sandbox: escalation available — retry this exact command once with sandbox_permissions [^\n]+\]\n\[exit code: 1\]$/, // eslint-disable-line @stylistic/max-len -- the hint sentence is pinned verbatim + ) + // Default (no advertisement): no hint — a lever the schema does not offer is never suggested. + expect(renderResult(sandboxResult(true, 1))).not.toContain('escalation available') + // A non-denied result never hints, advertised or not. + expect(renderResult(sandboxResult(false, 2), ['danger-full-access'])).not.toContain('escalation available') + }) + it('renders no sandbox marker for a plain failure under a sandboxed mode', () => { expect(renderResult(sandboxResult(false, 2))).not.toContain('[sandbox:') }) @@ -1017,7 +1030,58 @@ describe('sandbox rendering', () => { const id = text(started).match(/started background task (bash-\d+)/)![1] await bash.list().find(task => task.id === id)!.done const read = await call(ctx, 'bash_output', { task_id: id }) - expect(text(read)).toMatch(/\[status: completed, exit code: 1\]\n\[sandbox: file access denied under read-only mode\]$/) + expect(text(read)).toMatch( + /\[status: completed, exit code: 1\]\n\[sandbox: file access denied under read-only mode\]\n\[sandbox: escalation available[^\n]+\]$/, + ) + }) + + it('a settled background denial renders no escalation hint without a confining executor (defensive arm)', async () => { + // Structurally near-unreachable through the real stack — every confining + // default advertises the static target set — but the read path guards + // it anyway: an executor that reports no sandboxMode (fields never + // advertised) whose task nonetheless carries denial facts must render + // the marker without suggesting a lever the schema does not offer. + class FactsOnlyExecutor extends BashExecutor { + private readonly task: BashTask = { + id: BashTaskId('bash-facts'), + command: 'fake', + status: 'completed', + exitCode: 1, + signal: null, + done: Promise.resolve(), + sandbox: { mode: 'read-only', denied: true }, + } + + resolve(request: BashExecRequest): BashExecSpec { + return { + command: request.command, + workdir: request.workdir ?? process.cwd(), + timeoutMs: request.timeoutMs ?? 0, + ...request.signal ? { signal: request.signal } : {}, + owner: request.owner, + sandboxMode: request.sandboxMode, + } + } + + run(): Promise { return Promise.reject(new Error('not used')) } + start(): BashTask { return this.task } + get(id: string): BashTask | undefined { return id === this.task.id ? this.task : undefined } + list(): BashTask[] { return [this.task] } + kill(): boolean { return false } + ownerOf(): OwnerToken | undefined { return undefined } + readOutput(): BashTaskRead { + return { task: this.task, delta: '', lossy: false } + } + } + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(FactsOnlyExecutor) + await ctx.plugin(ToolBash) + const read = await call(ctx, 'bash_output', { task_id: 'bash-facts' }) + expect(text(read)).toMatch(/\[sandbox: file access denied under read-only mode\]$/) + expect(text(read)).not.toContain('escalation available') }) it('bash_output reports a settled background RUNNER failure as a sandbox problem, outranking the denial marker', async () => { @@ -1063,7 +1127,213 @@ describe('sandbox rendering', () => { chmodSync(lockedDir, 0o555) const result = await call(ctx, 'bash', { command: `echo x > ${lockedDir}/f`, description: 'Write into a locked directory' }) expect(result.isError).toBe(false) - expect(text(result)).toMatch(/\[sandbox: file access denied under read-only mode\]\n\[exit code: \d+\]$/) + expect(text(result)).toMatch( + /denied under read-only mode\]\n\[sandbox: escalation available[^\n]+\]\n\[exit code: \d+\]$/, + ) }) }) +describe('sandbox escalation (sandbox_permissions / justification)', () => { + /** Compose the real sandbox stack (passthrough runner) at a given default mode. */ + async function setupSandboxed(mode?: 'read-only' | 'workspace-write' | 'danger-full-access', opts: { approval?: boolean } = {}) { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200, ...mode !== undefined ? { mode } : {} }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + if (opts.approval === true) await ctx.plugin(ApprovalService) + await ctx.plugin(ToolBash) + return { ctx, bash } + } + + /** The registered bash tool's wire schema (what the model actually sees). */ + function bashSchema(ctx: Context) { + const schema = ctx.tools.schemas().find(s => s.name === 'bash') + if (!schema) throw new Error('bash tool not registered') + return schema as unknown as { description: string; parameters: { properties: Record } } + } + + /** + * A fake agent whose session records appends — the approval audit surface. + * Seeded mid-turn: an escalating call always runs inside one, and request() + * enforces the enclosure. + */ + function escalationAgent(events: Array<{ type: string; data: Record }>): Agent { + return { + id: 'agent-esc', + session: { + header: { version: 0, id: 'sess-esc', createdAt: 0 }, + events: [{ type: 'turn/start' }], + append: (type: string, data: Record) => { events.push({ type, data }) }, + }, + } as unknown as Agent + } + + let escCall = 0 + function callAs(ctx: Context, agent: Agent | undefined, args: unknown) { + return ctx.tools.execute({ callId: CallId(`call-esc-${++escCall}`), name: 'bash', arguments: args, ...agent ? { agent } : {} }) + } + + const ESCALATE = { command: 'true', description: 'test escalation', sandbox_permissions: 'workspace-write', justification: 'the test needs it' } + + it('advertises no escalation surface under a non-sandboxing executor', async () => { + const ctx = await setup() + expect(ctx.bash.sandboxMode).toBeUndefined() + const schema = bashSchema(ctx) + expect(schema.parameters.properties['sandbox_permissions']).toBeUndefined() + expect(schema.parameters.properties['justification']).toBeUndefined() + expect(schema.description).not.toContain('sanctioned exception') + }) + + it('advertises the full closed target vocabulary under any confining default', async () => { + // The enum is deliberately NOT default-relative: a session's effective + // mode is per-session and switchable, so every confining composition + // advertises every possible target — strict widening is checked at + // execution against the call's effective mode instead. + for (const mode of [undefined, 'workspace-write', 'danger-full-access'] as const) { + const { ctx } = await setupSandboxed(mode) + const schema = bashSchema(ctx) + expect(schema.parameters.properties['sandbox_permissions']?.enum).toEqual(['workspace-write', 'danger-full-access']) + expect(schema.parameters.properties['justification']).toBeDefined() + expect(schema.description).toContain('sanctioned exception') + } + }) + + it('a non-widening request fails at execution with its own text and prompts no one', async () => { + const { ctx } = await setupSandboxed('danger-full-access', { approval: true }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const result = await callAs(ctx, escalationAgent([]), { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'already wider' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('not strictly wider than this call\'s current "danger-full-access" mode') + expect(consulted).not.toHaveBeenCalled() + }) + + it('rejects sandbox_permissions without a justification, and vice versa, and a blank justification', async () => { + const { ctx } = await setupSandboxed() + const missing = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write' }) + expect(missing.isError).toBe(true) + expect(text(missing)).toContain('sandbox_permissions requires a justification') + const orphan = await callAs(ctx, undefined, { command: 'true', description: 'd', justification: 'why not' }) + expect(orphan.isError).toBe(true) + expect(text(orphan)).toContain('only valid together with sandbox_permissions') + const blank = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: ' ' }) + expect(blank.isError).toBe(true) + expect(text(blank)).toContain('expected a non-empty sentence') + }) + + it('the schema enum rejects a mode outside the target vocabulary before execute (registry-level, any caller)', async () => { + const { ctx } = await setupSandboxed() + const result = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'read-only', justification: 'narrow' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('must be one of') + }) + + it('rejects an unadvertised sandbox_permissions injection under a non-sandboxing executor', async () => { + const ctx = await setup() + const result = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'sneaky' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('not available in this composition') + }) + + it('fails closed with its own text when no approval service is composed', async () => { + const { ctx } = await setupSandboxed() + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('no approval service is composed') + }) + + it('fails closed with its own text for an agent-less escalating call', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + const result = await callAs(ctx, undefined, ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('no agent to route it through') + }) + + it('fails closed with its own text when the service has no answerer', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('no approval channel is available') + }) + + it('a grant runs THAT call under the wider mode — the denial marker names it — and lands the audit pair', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + const events: Array<{ type: string; data: Record }> = [] + // A real unix denial under the passthrough runner: the marker's mode can + // only say workspace-write if the override actually rode the spec. + const lockedDir = join(mkdtempSync(join(tmpdir(), 'dsh-esc-denied-')), 'locked') + mkdirSync(lockedDir) + chmodSync(lockedDir, 0o555) + const result = await callAs(ctx, escalationAgent(events), { + command: `echo x > ${lockedDir}/f`, + description: 'write into a locked directory', + sandbox_permissions: 'workspace-write', + justification: 'must write outside the workspace', + }) + expect(result.isError).toBe(false) + expect(text(result)).toMatch(/\[sandbox: file access denied under workspace-write mode\]/) + expect(events.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + expect(events[0]?.data['toolName']).toBe('bash') + expect(events[0]?.data['reason']).toBe('escalate sandbox to workspace-write: must write outside the workspace') + expect(events[1]?.data['outcome']).toBe('allowed-once') + }) + + it('a granted background start settles with the wider mode\'s facts', async () => { + const { ctx, bash } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + const started = await callAs(ctx, escalationAgent([]), { ...ESCALATE, run_in_background: true }) + expect(started.isError).toBe(false) + const id = text(started).match(/started background task (bash-\d+)/)?.[1] + const task = bash.list().find(t => t.id === id) + if (!task) throw new Error('escalated task not tracked') + await task.done + expect(task.sandbox).toMatchObject({ mode: 'workspace-write', denied: false }) + }) + + it('a rejection denies with the user-said-no text and runs nothing', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve('rejected')) + // A live (non-aborted) signal rides the execution: the gate threads it + // into the approval request so a turn cancellation can withdraw the ask. + const result = await ctx.tools.execute({ + callId: CallId(`call-esc-${++escCall}`), + name: 'bash', + arguments: ESCALATE, + agent: escalationAgent([]), + signal: new AbortController().signal, + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('the user rejected escalating this command to "workspace-write"') + }) + + it('a cancellation denies with the cancelled text', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve('cancelled')) + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('approval for escalating to "workspace-write" was cancelled') + }) + + it('a rogue approval stand-in returning a non-vocabulary outcome hits the exhaustiveness backstop', async () => { + const { ctx } = await setupSandboxed() + ctx.provide('approval', { request: () => Promise.resolve('yolo') } as unknown as InstanceType) + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('unreachable') + }) + + it('a plain call under a sandboxing executor never consults approval', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + const asked = vi.fn() + ctx.on('approval/request', (_req, next) => { asked(); return next() }) + const result = await callAs(ctx, escalationAgent([]), { command: 'echo plain', description: 'plain run' }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('plain') + expect(asked).not.toHaveBeenCalled() + }) +}) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 1afe78f76e..624ae3407d 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -157,6 +157,9 @@ importers: '@deepseek-ai/dsh-agent-loop': specifier: workspace:^ version: link:../../core/agent-loop + '@deepseek-ai/dsh-approval': + specifier: workspace:^ + version: link:../../approval/approval '@deepseek-ai/dsh-bash': specifier: workspace:^ version: link:../bash @@ -175,6 +178,9 @@ importers: '@deepseek-ai/dsh-sandbox-local': specifier: workspace:^ version: link:../../sandbox/sandbox-local + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../../core/system-prompt diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index ae52bdb307..4396df9fc0 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -175,7 +175,7 @@ const SERVICE_ROLES: ServiceRole[] = [ title: 'Approval seam', mode: 'seam', implementations: ['acp'], - consumers: ['tools'], + consumers: ['tools', 'tool-bash'], note: 'One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`.', }, { From 3f663c91549b94e66994c1ed9e3a93ab85758375 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 16:41:03 +0800 Subject: [PATCH 75/90] =?UTF-8?q?feat(modes):=20per-session=20sandbox/appr?= =?UTF-8?q?oval=20switching=20=E2=80=94=20the=20session=20log=20as=20the?= =?UTF-8?q?=20store,=20ACP=20config=20options?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit effective(session) = findLast(the session own knob events)?.value ?? the composition-config default. One log-only event per knob, owned by its domain (bash/sandbox-mode in dsh-bash, approval/policy in dsh-approval), each exporting the same three-piece kit: the event declaration, a pure fold, and THE write path — a switch IS its event; no owner service, no facts map. Restart immunity and multi-session isolation fall out of the log replay by construction. Execution follows the fold on both sides: the bash tool stamps escalation grant > session override > executor default, and the approval seam prepends the never-gate that auto-rejects before any interactive answerer. Visibility is two layers per knob: a per-agent prompt section states the effective value on every request (logged through request/header*, so what-the-model-was-told replays from the log), and an agent/pre-step narrator injects at most one coalesced delta notice with positional attribution (user switch vs operator/config drift). The ACP bridge advertises one capability-gated select per composable knob with currentValue folded per session, validates set_config_option against the closed vocabularies, and anchors idle switches at the next turn prompt-submit under the turn-enclosure contract. --- docs/config-catalog.md | 34 ++- docs/cordis-catalog/events.md | 2 +- docs/cordis-catalog/services.md | 6 +- docs/event-producer-consumer.md | 6 +- docs/module-graph.md | 10 +- docs/persistence-catalog.md | 26 +- packages/approval/README.md | 4 +- packages/approval/approval/README.md | 6 +- packages/approval/approval/package.json | 5 + packages/approval/approval/src/index.ts | 187 ++++++++++++- .../approval/approval/tests/approval.spec.ts | 172 +++++++++++- packages/bash/bash/README.md | 4 +- packages/bash/bash/src/index.ts | 1 + packages/bash/bash/src/session-mode.ts | 65 +++++ packages/bash/tool-bash/README.md | 7 +- packages/bash/tool-bash/src/index.ts | 41 ++- packages/bash/tool-bash/tests/tools.spec.ts | 143 +++++++++- packages/ui/acp/README.md | 7 + packages/ui/acp/acp-feature-support.md | 10 +- packages/ui/acp/package.json | 3 + packages/ui/acp/src/index.ts | 180 +++++++++++- packages/ui/acp/tests/config-options.spec.ts | 260 ++++++++++++++++++ packages/ui/acp/tsconfig.json | 3 + pnpm-lock.yaml | 10 + 24 files changed, 1149 insertions(+), 43 deletions(-) create mode 100644 packages/bash/bash/src/session-mode.ts create mode 100644 packages/ui/acp/tests/config-options.spec.ts diff --git a/docs/config-catalog.md b/docs/config-catalog.md index baae8c65e0..94c4ef8851 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -31,7 +31,7 @@ export interface AcpConfig { Depends on: `Stream` (`@agentclientprotocol/sdk`) -Source: [`packages/ui/acp/src/index.ts:241`](../packages/ui/acp/src/index.ts) +Source: [`packages/ui/acp/src/index.ts:248`](../packages/ui/acp/src/index.ts) ## `@deepseek-ai/dsh-acp-agent` @@ -130,6 +130,37 @@ Depends on: [`AgentId`](../packages/core/agent/src/index.ts) · [`AgentOptions`] Source: [`packages/core/agent-loop/src/index.ts:36`](../packages/core/agent-loop/src/index.ts) +## `@deepseek-ai/dsh-approval` + +```ts config-catalog +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * The deployment's default {@link ApprovalPolicy} for sessions without an + * `approval/policy` override — `'ask'` delegates to the composed answerers + * (fail-closed with none); `'never'` auto-rejects every ask without + * prompting (the deterministic CI/unattended stance). + */ + policy?: ApprovalPolicy +} + +/** + * A session's approval policy — what happens to an {@link ApprovalService} + * ask BEFORE any interactive answerer sees it: + * + * - `'ask'` (the default) — delegate to the composed answerers; with none + * composed the chain falls through to the fail-closed `'unavailable'` + * (exactly today's behavior). + * - `'never'` — never prompt anyone: every ask resolves `'rejected'` + * deterministically. The strict headless stance (CI, unattended runs) and + * the only policy value stated in the system prompt — unlike `'ask'`, its + * outcome is knowable without asking, so stating it cannot overclaim. + */ +export type ApprovalPolicy = 'ask' | 'never' +``` + +Source: [`packages/approval/approval/src/index.ts:244`](../packages/approval/approval/src/index.ts) + ## `@deepseek-ai/dsh-bash-local` ```ts config-catalog @@ -1029,7 +1060,6 @@ Source: [`packages/workflow/workflow-workerthread/src/index.ts:69`](../packages/ These load from a `cordis.yml` entry with no `config:` block; they declare no config surface. - `@deepseek-ai/dsh-agent` ([`packages/core/agent/src/index.ts`](../packages/core/agent/src/index.ts)) -- `@deepseek-ai/dsh-approval` ([`packages/approval/approval/src/index.ts`](../packages/approval/approval/src/index.ts)) - `@deepseek-ai/dsh-fs-policy` ([`packages/fs/fs-policy/src/index.ts`](../packages/fs/fs-policy/src/index.ts)) - `@deepseek-ai/dsh-llm` ([`packages/llm/llm/src/index.ts`](../packages/llm/llm/src/index.ts)) - `@deepseek-ai/dsh-session` ([`packages/core/session/src/index.ts`](../packages/core/session/src/index.ts)) diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index ee35a7a586..2f89dd481b 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -173,7 +173,7 @@ Waterfall asking the composed answerers to decide one approval request. Dispatch 'approval/request'(this: ApprovalService, req: ApprovalRequest, next: () => Promise): Promise ``` -Source: [`packages/approval/approval/src/index.ts:52`](../../packages/approval/approval/src/index.ts) +Source: [`packages/approval/approval/src/index.ts:64`](../../packages/approval/approval/src/index.ts) ## `fs/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 2206adfde6..0793f77a2a 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -44,11 +44,13 @@ Source: [`packages/core/agent/src/index.ts:117`](../../packages/core/agent/src/i The `ctx.approval` service: dispatches ApprovalRequests to the `approval/request` waterfall and audits every ask/outcome pair to the requesting agent's session log. Stateless between requests — grants are returned to the caller, never stored here. +Owns the policy tier too (`effective = fold(the session's 'approval/policy' events) ?? config.policy`): a PREPENDED decide-or-delegate gate resolves `'never'` sessions to `'rejected'` before any interactive answerer is prompted, a per-agent prompt section states a `'never'` policy (and only that one — an `'ask'` promise could overclaim an answerer that headless compositions do not have), and an `agent/pre-step` narrator injects at most one coalesced notice when a session's effective policy moved past what the model was last told. + ```ts cordis-catalog async request(req: ApprovalRequest): Promise ``` -Source: [`packages/approval/approval/src/index.ts:168`](../../packages/approval/approval/src/index.ts) +Source: [`packages/approval/approval/src/index.ts:269`](../../packages/approval/approval/src/index.ts) ## `ctx.bash` — `BashExecutor` (abstract seam) @@ -75,7 +77,7 @@ onTaskDone(listener: BashTaskListener): () => void Types: [BashExecRequest](../core-data-structures/bash.md) · [BashExecSpec](../core-data-structures/bash.md) · [BashRunResult](../core-data-structures/bash.md) · [BashTask](../core-data-structures/bash.md) · [BashTaskRead](../core-data-structures/bash.md) -Source: [`packages/bash/bash/src/index.ts:61`](../../packages/bash/bash/src/index.ts) +Source: [`packages/bash/bash/src/index.ts:62`](../../packages/bash/bash/src/index.ts) ## `ctx.codeRuntime` — `CodeRuntime` (abstract seam) diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index 57b1f108ca..a5185aead5 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -10,8 +10,8 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/created` | `emit` | [`packages/core/agent/src/types.ts:265`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`emit`) | [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:272`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`emit`) | [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/error` | `emit` | [`packages/core/agent/src/types.ts:476`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | -| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:357`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic) | -| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:370`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | +| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:357`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`approval`](../packages/approval/approval), [`compact-basic`](../packages/compact/compact-basic) | +| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:370`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | | `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:290`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | | `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:394`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | | `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:441`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | @@ -19,7 +19,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/status` | `emit` | [`packages/core/agent/src/types.ts:281`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:451`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | | `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:464`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:52`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | [`acp`](../packages/ui/acp) | +| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:63`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | [`acp`](../packages/ui/acp), [`approval`](../packages/approval/approval) | | `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:123`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:138`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:109`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | diff --git a/docs/module-graph.md b/docs/module-graph.md index 4553e4f421..015f22677a 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -161,6 +161,7 @@ flowchart TD pkg_approval --> pkg_brand pkg_approval --> pkg_llm pkg_approval --> pkg_session + pkg_approval --> pkg_system_prompt pkg_workflow --> pkg_agent pkg_workflow --> pkg_brand pkg_workflow --> pkg_llm @@ -180,6 +181,7 @@ flowchart TD pkg_agent_loop --> pkg_system_prompt pkg_agent_loop --> pkg_tools pkg_tool_bash --> pkg_agent + pkg_tool_bash --> pkg_approval pkg_tool_bash --> pkg_bash pkg_tool_bash --> pkg_llm pkg_tool_bash --> pkg_sandbox @@ -211,7 +213,9 @@ flowchart TD pkg_hooks_codex --> pkg_tools pkg_acp --> pkg_agent pkg_acp --> pkg_approval + pkg_acp --> pkg_bash pkg_acp --> pkg_llm + pkg_acp --> pkg_sandbox pkg_acp --> pkg_session pkg_acp --> pkg_session_persistence pkg_acp --> pkg_tools @@ -320,12 +324,12 @@ flowchart TD | [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`user-interaction`](../packages/ui/user-interaction) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm) | -| [`approval`](../packages/approval/approval) | `approval` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`approval`](../packages/approval/approval) | `approval` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`workflow`](../packages/workflow/workflow) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | | [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`bash-sandbox`](../packages/bash/bash-sandbox) | `bash` | [`bash`](../packages/bash/bash), [`bash-local`](../packages/bash/bash-local), [`sandbox`](../packages/sandbox/sandbox) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | -| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`subagent`](../packages/subagent/subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`tools`](../packages/core/tools) | | [`tool-web`](../packages/web/tool-web) | `web` | [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`web`](../packages/web/web) | @@ -333,7 +337,7 @@ flowchart TD | [`tool-todo`](../packages/todo/tool-todo) | `todo` | [`agent`](../packages/core/agent), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | | [`tool-cordis`](../packages/cordis/tool-cordis) | `cordis` | [`tools`](../packages/core/tools) | | [`hooks-codex`](../packages/hooks/hooks-codex) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | -| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | +| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | | [`tool-ask-user`](../packages/ui/tool-ask-user) | `ui` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | | [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | `guard` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools) | | [`tool-workflow`](../packages/workflow/tool-workflow) | `workflow` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`workflow`](../packages/workflow/workflow) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index 5d8555e752..557c3d669c 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -23,7 +23,7 @@ An approval question was put to the answerer chain — log-only audit (like `hoo Types: [CallId](core-data-structures/core.md) -Source: [`packages/approval/approval/src/index.ts:66`](../packages/approval/approval/src/index.ts) +Source: [`packages/approval/approval/src/index.ts:77`](../packages/approval/approval/src/index.ts) #### `approval/decided` — log-only @@ -33,7 +33,17 @@ The outcome of a prior `approval/asked` (same `id`) — log-only audit. Exactly 'approval/decided': { id: ApprovalRequestId; outcome: ApprovalOutcome } ``` -Source: [`packages/approval/approval/src/index.ts:77`](../packages/approval/approval/src/index.ts) +Source: [`packages/approval/approval/src/index.ts:88`](../packages/approval/approval/src/index.ts) + +#### `approval/policy` — log-only + +The session's approval policy was switched — log-only, durable, replayable, never in the model transcript (the model learns the policy from the prompt section and the narrator's notices). The LAST such event is the session's override (effectiveApprovalPolicy); who asked for it is derivable from position (an event after the log's last `request/header*` was a runtime switch by the user). + +```ts persistence-catalog +'approval/policy': { policy: ApprovalPolicy } +``` + +Source: [`packages/approval/approval/src/index.ts:100`](../packages/approval/approval/src/index.ts) ### `assistant/*` @@ -61,6 +71,18 @@ Types: [ContentBlock](core-data-structures/core.md) · [TokenUsage](core-data-st Source: [`packages/core/session/src/types.ts:320`](../packages/core/session/src/types.ts) +### `bash/*` + +#### `bash/sandbox-mode` — log-only + +The session's sandbox mode was switched — log-only (like `approval/*`; NOT a surface event, carries no `surfaceOp`): durable and replayable, never in the model transcript. The LAST such event is the session's override (effectiveSandboxMode); who asked for it is derivable from position (an event after the log's last `request/header*` was a runtime switch by the user; see the tool layer's narrator). + +```ts persistence-catalog +'bash/sandbox-mode': { mode: SandboxMode } +``` + +Source: [`packages/bash/bash/src/session-mode.ts:31`](../packages/bash/bash/src/session-mode.ts) + ### `compact/*` #### `compact/end` — log-only diff --git a/packages/approval/README.md b/packages/approval/README.md index 3778e2012e..9876646d23 100644 --- a/packages/approval/README.md +++ b/packages/approval/README.md @@ -4,6 +4,6 @@ The asking half of permission handling: one seam through which the harness puts | Package | Role | ctx key | |---|---|---| -| `approval/` | The `ApprovalService` mechanism (waterfall dispatch, cancellation, audit events) + the vocabulary (`ApprovalRequest`, `ApprovalOutcome`, `ApprovalRequestId`) | `ctx.approval` | +| `approval/` | The `ApprovalService` mechanism (waterfall dispatch, cancellation, audit events) + the vocabulary (`ApprovalRequest`, `ApprovalOutcome`, `ApprovalRequestId`) + the per-session policy tier (`ApprovalPolicy` `'ask'`/`'never'`, the `'approval/policy'` event fold, the prepend gate — [sandbox RFC § Per-session mode switching](../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)) | `ctx.approval` | -Answerers live with their owners, not here: tests answer with inline scripted listeners, and the ACP bridge answerer is the staged first real one. Consumer today: [`core/tools`](../core/tools/) routes `tools/pre-execute`'s `ask` through the seam (degrading to deny when it is not mounted). +Answerers live with their owners, not here: the ACP bridge ([`ui/acp`](../ui/acp/)) answers for the editor sessions it owns (and switches each session's policy over ACP config options); tests answer with inline scripted listeners. Consumers today: [`core/tools`](../core/tools/) routes `tools/pre-execute`'s `ask` through the seam (degrading to deny when it is not mounted), and the bash tool's sandbox escalation gate ([`bash/tool-bash`](../bash/tool-bash/), [sandbox RFC § Escalation](../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). diff --git a/packages/approval/approval/README.md b/packages/approval/approval/README.md index 0aaf245f2b..4a652b4464 100644 --- a/packages/approval/approval/README.md +++ b/packages/approval/approval/README.md @@ -6,6 +6,8 @@ The contract in one line: `ctx.approval.request(req)` puts exactly one question The service is the mechanism, answerers are the policy. Answerers are `approval/request` waterfall listeners occupying a single decision slot: answer for an agent you own by returning an outcome without calling `next()`, or delegate an agent you don't recognize by calling `next()` — the chain's built-in default is `unavailable`, so a deployment with no answerer (headless, CI) fails closed with zero configuration. Registration order across sibling plugins is not load-order deterministic; compose one terminal answerer per deployment and use `prepend` listeners only for decide-or-delegate gates. -One seam serves both ask paths of [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md): the `tools/pre-execute` `ask` decision (routed by [`@deepseek-ai/dsh-tools`](../../core/tools/) when this service is mounted; degrading to deny when it is not), and the sandbox post-denial escalated retry that RFC stages (the asker will live in the bash tool layer). The full design: [the approval-seam RFC](../../../docs/rfc/proposed/feature/2026-07-06-approval-seam.md). +The seam also owns the per-session POLICY tier ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): `ApprovalPolicy` is `'ask'` (delegate to the answerers — the prior behavior exactly) or `'never'` (deterministically reject without prompting anyone; the strict CI/unattended stance), with `effective = fold(the session's 'approval/policy' events, last one wins) ?? Config.policy` — the session log is the store, written only through `setApprovalPolicy(session, policy)`. The service decides `'never'` inside `request()` itself, before dispatching the waterfall (`'never'` → `'rejected'` with the audit pair still landing; no listener registration, including a later `prepend`, can precede it), states `'never'` — and only `'never'` — in a per-agent prompt section (a "you will be prompted" promise under `'ask'` would overclaim what a headless composition can do; the section scope activates only when `systemPrompt` is composed), and narrates a policy switch to the model in at most one coalesced `agent/pre-step` notice, attributed positionally (an override event after the log's last `request/header*` reads `changed by the user`; a config drift reads `changed by the operator/config`). -No answerer ships in this change — every ask fails closed to `unavailable` until one is composed (the ACP bridge answerer is the staged first one). The audit events are log-only session records — the model only ever sees the tool result the asker derives from the outcome. +One seam serves both ask paths of [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md): the `tools/pre-execute` `ask` decision (routed by [`@deepseek-ai/dsh-tools`](../../core/tools/) when this service is mounted; degrading to deny when it is not), and the sandbox post-denial escalated retry (the bash tool's `sandbox_permissions` gate in [`@deepseek-ai/dsh-tool-bash`](../../bash/tool-bash/) — [the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). The full design: [the approval-seam RFC](../../../docs/rfc/proposed/feature/2026-07-06-approval-seam.md). + +Answerers today: the ACP bridge ([`@deepseek-ai/dsh-acp`](../../ui/acp/)) forwards to the editor's `session/request_permission` prompt for agents it owns. The audit events are log-only session records — the model only ever sees the tool result the asker derives from the outcome. diff --git a/packages/approval/approval/package.json b/packages/approval/approval/package.json index 6120e4d4e9..38ce9533b1 100644 --- a/packages/approval/approval/package.json +++ b/packages/approval/approval/package.json @@ -26,13 +26,18 @@ "@deepseek-ai/dsh-brand": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-system-prompt": "^0.0.1", "cordis": "^4.0.0-rc.6" }, + "dependencies": { + "schemastery": "^3.18.0" + }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-brand": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/approval/approval/src/index.ts b/packages/approval/approval/src/index.ts index 92b2a0b763..2f819e83e2 100644 --- a/packages/approval/approval/src/index.ts +++ b/packages/approval/approval/src/index.ts @@ -20,15 +20,27 @@ * model-visible transcript: the model only ever sees the tool result the * caller derives from the outcome. * + * The seam also owns the per-session POLICY tier (the sandbox RFC § Per-session mode switching): + * `effective = fold(the session's 'approval/policy' events, last one wins) + * ?? config.policy` — the session log is the store, so an override survives + * restart by replay. The service resolves `'never'` sessions to + * `'rejected'` inside `request()` before dispatching any answerer (no + * registration order, including a later `prepend`, can precede it); a prompt section states `'never'` + * (and only `'never'` — an availability promise is unknowable without + * asking); an `agent/pre-step` narrator explains a switch to the model in at + * most one coalesced notice per step. + * * @module @deepseek-ai/dsh-approval */ import { randomUUID } from 'node:crypto' import { Context, Service } from 'cordis' +import z from 'schemastery' import type { Branded } from '@deepseek-ai/dsh-brand' import type { Agent } from '@deepseek-ai/dsh-agent' import type { CallId } from '@deepseek-ai/dsh-llm' -import type {} from '@deepseek-ai/dsh-session' +import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' +import type {} from '@deepseek-ai/dsh-system-prompt' declare module 'cordis' { interface Context { @@ -78,6 +90,15 @@ declare module '@deepseek-ai/dsh-session' { id: ApprovalRequestId outcome: ApprovalOutcome } + /** + * The session's approval policy was switched — log-only, durable, + * replayable, never in the model transcript (the model learns the policy + * from the prompt section and the narrator's notices). The LAST such + * event is the session's override ({@link effectiveApprovalPolicy}); + * who asked for it is derivable from position (an event after the log's + * last `request/header*` was a runtime switch by the user). + */ + 'approval/policy': { policy: ApprovalPolicy } } } @@ -113,6 +134,53 @@ export type ApprovalOutcome = 'allowed-once' | 'rejected' | 'cancelled' | 'unava /** Every {@link ApprovalOutcome}, for runtime normalization of answerer returns. */ const OUTCOMES: readonly ApprovalOutcome[] = ['allowed-once', 'rejected', 'cancelled', 'unavailable'] +/** + * A session's approval policy — what happens to an {@link ApprovalService} + * ask BEFORE any interactive answerer sees it: + * + * - `'ask'` (the default) — delegate to the composed answerers; with none + * composed the chain falls through to the fail-closed `'unavailable'` + * (exactly today's behavior). + * - `'never'` — never prompt anyone: every ask resolves `'rejected'` + * deterministically. The strict headless stance (CI, unattended runs) and + * the only policy value stated in the system prompt — unlike `'ask'`, its + * outcome is knowable without asking, so stating it cannot overclaim. + */ +export type ApprovalPolicy = 'ask' | 'never' + +/** Every {@link ApprovalPolicy}, for option advertisement and runtime validation of untrusted policy strings. */ +export const APPROVAL_POLICIES: readonly ApprovalPolicy[] = ['ask', 'never'] + +/** + * The prompt sentence stating a `'never'` policy — visibility for the one + * deterministic policy (see {@link ApprovalPolicy}), and the narrator's parse + * candidate for "what was the model last told": a folded `request/header*` + * system text containing it was assembled under `'never'`; one without it + * (but with any header at all) was assembled under `'ask'`, which states + * nothing. The exact-wording compatibility surface (writer and parser) lives + * entirely in this module; the bash tool description's escalation teaching + * additionally defers to the sentence's opening claim by meaning (see + * `dsh-tool-bash`), so keep the sentence opening with the approvals-disabled + * statement. + */ +const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).' + +/** + * The session's approval-policy override: the last `approval/policy` event in + * the log, or undefined when the session never switched (callers apply the + * plugin's configured default). The pure fold — resume needs no catch-up + * machinery because replaying the log IS the state. + * @param events - session events in log order (other event types are skipped). + * @returns the policy of the last switch event, or undefined without one. + */ +export function effectiveApprovalPolicy(events: readonly SessionEvent[]): ApprovalPolicy | undefined { + for (let index = events.length - 1; index >= 0; index -= 1) { + const event = events[index] as SessionEvent + if (event.type === 'approval/policy') return event.data.policy + } + return undefined +} + /** * Whether the log currently sits inside an open turn (a `turn/start` not yet * closed by a `turn/end`) — the {@link ApprovalService.request} precondition. @@ -129,6 +197,19 @@ function hasOpenTurn(events: readonly SessionEvent[]): boolean { return false } +/** + * THE write path for a session's approval-policy override: appends exactly + * one `approval/policy` event — the switch IS its event; nothing mutates + * policy state out of band. Takes effect on the session's next ask and next + * prompt assembly (the consumers fold on every read). + * @param session - the session the override belongs to. + * @param policy - the policy every subsequent ask for this session resolves + * under (until the next switch). + */ +export function setApprovalPolicy(session: Session, policy: ApprovalPolicy): void { + session.append('approval/policy', { policy }) +} + /** * One concrete permission question. Identifies the action precisely enough * for an answerer to present it and for the audit events to reconstruct what @@ -159,15 +240,100 @@ export interface ApprovalRequest { signal?: AbortSignal } +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * The deployment's default {@link ApprovalPolicy} for sessions without an + * `approval/policy` override — `'ask'` delegates to the composed answerers + * (fail-closed with none); `'never'` auto-rejects every ask without + * prompting (the deterministic CI/unattended stance). + */ + policy?: ApprovalPolicy +} + /** * The `ctx.approval` service: dispatches {@link ApprovalRequest}s to the * `approval/request` waterfall and audits every ask/outcome pair to the * requesting agent's session log. Stateless between requests — grants are * returned to the caller, never stored here. + * + * Owns the policy tier too (`effective = fold(the session's 'approval/policy' + * events) ?? config.policy`): a PREPENDED decide-or-delegate gate resolves + * `'never'` sessions to `'rejected'` before any interactive answerer is + * prompted, a per-agent prompt section states a `'never'` policy (and only + * that one — an `'ask'` promise could overclaim an answerer that headless + * compositions do not have), and an `agent/pre-step` narrator injects at most + * one coalesced notice when a session's effective policy moved past what the + * model was last told. */ export class ApprovalService extends Service { - constructor(ctx: Context) { + static Config: z = z.object({ + policy: z.union(['ask', 'never'] as const).default('ask'), + }) + + constructor(ctx: Context, public config: Config) { super(ctx, 'approval') + + const effective = (agent: Agent): ApprovalPolicy => this.effectivePolicy(agent) + + // Visibility layer 1, scoped on the prompt registry so headless + // compositions mount the seam without it: state the one deterministic + // policy per session. 'ask' renders nothing — stating "you will be + // asked" would overclaim in a composition with no answerer, and absence + // under any logged header is exactly how the narrator reads 'ask' back. + ctx.inject(['systemPrompt'], (scope: Context) => { + scope.systemPrompt.section({ + name: 'approval:policy', + order: 115, + text: (context) => { + const agent = context.agent + // A bare assemble() (tests, diagnostics) has no session to state. + if (agent === undefined) return '' + return effective(agent) === 'never' ? NEVER_SENTENCE : '' + }, + }) + }) + + // Visibility layer 2: the boundary narrator. pre-step runs after prompt + // assembly but before the request history is derived, so the notice is + // seen by THIS step's request: idle-time flip-flops coalesce at the + // turn's first step (net-zero → nothing), and a mid-turn switch is + // narrated no later than the next step. What each session was last told + // is in-memory with a log-derived fallback (the folded header's system + // text), so restarts lose nothing. Attribution is positional: an + // override event after the log's last `request/header*` was a runtime + // switch by the user; otherwise the configured default moved under the + // session (operator/config). + const narrated = new WeakMap() + ctx.on('agent/pre-step', (agent) => { + const session = agent.session + const events = session.events + let overrideIndex = -1 + let headerIndex = -1 + for (let index = events.length - 1; index >= 0 && (overrideIndex < 0 || headerIndex < 0); index -= 1) { + const event = events[index] as (typeof events)[number] + if (overrideIndex < 0 && event.type === 'approval/policy') { + overrideIndex = index + } else if (headerIndex < 0 && (event.type === 'request/header' || event.type === 'request/header-delta')) { + headerIndex = index + } + } + // Same fold effectivePolicy performs — override is scanned here anyway + // for POSITIONAL attribution; the default lives once, in the method. + const current = this.effectivePolicy(agent) + const header = session.requestHeader() + const told = narrated.get(session) + ?? (header === undefined ? undefined : header.system?.includes(NEVER_SENTENCE) === true ? 'never' : 'ask') + narrated.set(session, current) + // Cold start (nothing ever told) narrates nothing — the section about + // to go out states the truth, and there is no delta to explain. + if (told === undefined || told === current) return + const cause = overrideIndex > headerIndex ? 'changed by the user' : 'changed by the operator/config' + agent.inject( + [{ type: 'text', text: `The approval policy changed from "${told}" to "${current}" (${cause}).` }], + { source: { kind: 'plugin', plugin: 'approval' } }, + ) + }) } /** @@ -205,9 +371,26 @@ export class ApprovalService extends Service { return outcome } + /** + * The session's effective policy: its own `approval/policy` fold, else the + * configured default (the schema already defaulted an omitted policy to + * `'ask'`; the `??` only narrows the optional-input TYPE). + * @param agent - the agent whose session's policy applies. + * @returns the policy every ask for this agent resolves under right now. + */ + private effectivePolicy(agent: Agent): ApprovalPolicy { + return effectiveApprovalPolicy(agent.session.events) ?? this.config.policy ?? 'ask' + } + /** Dispatch the waterfall, contained and raced against `req.signal`. */ private async decide(req: ApprovalRequest): Promise { if (req.signal?.aborted) return 'cancelled' + // The 'never' policy is decided HERE, before any dispatch: a listener + // registered with `prepend: true` after this service mounts would sit + // ahead of any gate LISTENER, so a listener-shaped gate cannot keep the + // documented promise that 'never' rejects deterministically regardless + // of registration order — only the service's own request path can. + if (this.effectivePolicy(req.agent) === 'never') return 'rejected' // Enter the promise chain BEFORE dispatching: a listener that throws // SYNCHRONOUSLY (before its first await) must land in the same rejection // path as an async one — `Promise.resolve(call())` would let it escape diff --git a/packages/approval/approval/tests/approval.spec.ts b/packages/approval/approval/tests/approval.spec.ts index c356723438..a732a3161c 100644 --- a/packages/approval/approval/tests/approval.spec.ts +++ b/packages/approval/approval/tests/approval.spec.ts @@ -1,9 +1,11 @@ -import { describe, expect, it } from 'vitest' +import { describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' import type { Agent } from '@deepseek-ai/dsh-agent' import { CallId } from '@deepseek-ai/dsh-llm' +import { Session, SessionId } from '@deepseek-ai/dsh-session' import type { SessionEvent } from '@deepseek-ai/dsh-session' -import ApprovalService, { ApprovalOutcome, ApprovalRequest } from '@deepseek-ai/dsh-approval' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ApprovalService, { ApprovalOutcome, ApprovalRequest, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-approval' /** * A minimal Agent stand-in — the service only reaches `agent.session.append` @@ -201,3 +203,169 @@ describe('ApprovalService.request', () => { }) }) +describe('approval policy (the approval/policy fold)', () => { + const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).' + + /** + * An agent stand-in over a REAL Session — gate, section, and narrator fold + * real events; the opened turn satisfies request()'s enclosure precondition. + */ + function sessionAgent(id: string): { agent: Agent; session: Session; injected: string[] } { + const session = new Session(SessionId(id)) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const injected: string[] = [] + const agent = { + id, + session, + inject: (content: { type: string; text: string }[]) => { injected.push(content[0]?.text ?? '') }, + } as unknown as Agent + return { agent, session, injected } + } + + const preStep = (ctx: Context, agent: Agent): Promise => + ctx.serial('agent/pre-step', agent, 1, 1, '', [], new AbortController().signal) + + /** Append a `request/header` snapshot whose system text is exactly `system`. */ + function appendHeader(session: Session, system: string): void { + session.append('request/header', { header: { config: { model: 'mock' }, system }, reason: 'initial' }) + } + + it('folds to the last event, or undefined without one', () => { + const { session } = sessionAgent('sess-fold') + expect(effectiveApprovalPolicy(session.events)).toBeUndefined() + setApprovalPolicy(session, 'never') + setApprovalPolicy(session, 'ask') + expect(effectiveApprovalPolicy(session.events)).toBe('ask') + expect(session.events.at(-1)).toMatchObject({ type: 'approval/policy', data: { policy: 'ask' } }) + }) + + it('defaults a schema-less construction to ask (the ?? narrows the optional TYPE)', async () => { + // Direct construction bypasses the plugin schema (the SystemPrompt-test + // precedent for covering a defaulted Config field's type-narrowing ??). + const ctx = new Context() + const service = new ApprovalService(ctx, {}) + const { agent } = sessionAgent('sess-bare-config') + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + await expect(service.request({ agent, toolName: 'echo' })).resolves.toBe('allowed-once') + }) + + it('contains an answerer that throws SYNCHRONOUSLY as unavailable', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent } = sessionAgent('sess-syncthrow') + ctx.on('approval/request', () => { throw new Error('sync bug') }) + await expect(ctx.approval.request({ agent, toolName: 'echo' })).resolves.toBe('unavailable') + }) + + it('a never config rejects deterministically without consulting any answerer', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const { agent, session } = sessionAgent('sess-gate-1') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected') + expect(consulted).not.toHaveBeenCalled() + // The audit pair still lands on the session log. + expect(session.events.filter(e => e.type === 'approval/asked')).toHaveLength(1) + expect(session.events.filter(e => e.type === 'approval/decided')).toHaveLength(1) + }) + + it('the gate decides FIRST even against an answerer registered before the service (prepend)', async () => { + const ctx = new Context() + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent } = sessionAgent('sess-gate-2') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected') + }) + + it('never is unbypassable even by an answerer PREPENDED after the service mounts', async () => { + // Cordis prepend unshifts ahead of every existing listener, including + // any gate LISTENER the service could register — which is exactly why + // the 'never' decision lives inside request() instead. The eager grant + // below must never be consulted. + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const consulted = vi.fn() + ctx.on('approval/request', () => { consulted(); return Promise.resolve('allowed-once') }, { prepend: true }) + const { agent, appended } = fakeAgent() + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('rejected') + expect(consulted).not.toHaveBeenCalled() + expect(appended.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + }) + + it('a session override outranks the configured default, in both directions', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + const { agent, session } = sessionAgent('sess-gate-3') + setApprovalPolicy(session, 'ask') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('allowed-once') + setApprovalPolicy(session, 'never') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected') + }) + + it('states never (and only never) in the prompt, per session', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ApprovalService) + const askAgent = sessionAgent('sess-sect-ask').agent + const { agent: neverAgent, session } = sessionAgent('sess-sect-never') + setApprovalPolicy(session, 'never') + const sectionFor = async (context: object) => + (await ctx.systemPrompt.assemble(context)).sections.find(s => s.name === 'approval:policy')?.text + expect(await sectionFor({ agent: askAgent })).toBe('') + expect(await sectionFor({ agent: neverAgent })).toBe(NEVER_SENTENCE) + // A bare assemble (no agent) has no session to state. + expect(await sectionFor({})).toBe('') + }) + + it('narrates nothing cold, once per coalesced switch (user wording), and idempotently', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-1') + await preStep(ctx, agent) + expect(injected).toEqual([]) + setApprovalPolicy(session, 'never') + setApprovalPolicy(session, 'ask') + setApprovalPolicy(session, 'never') + await preStep(ctx, agent) + expect(injected).toEqual(['The approval policy changed from "ask" to "never" (changed by the user).']) + await preStep(ctx, agent) + expect(injected).toHaveLength(1) + setApprovalPolicy(session, 'ask') + setApprovalPolicy(session, 'never') + await preStep(ctx, agent) + expect(injected).toHaveLength(1) + }) + + it('reads what the model was told back from the folded header text after a restart', async () => { + // A session whose last request carried the never sentence resumes under + // an ask default: the narrator attributes the change to the operator. + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-2') + appendHeader(session, `persona\n\n${NEVER_SENTENCE}`) + await preStep(ctx, agent) + expect(injected).toEqual(['The approval policy changed from "never" to "ask" (changed by the operator/config).']) + }) + + it('narrates a config default drift over a sentence-less header (told = ask by absence)', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent, session, injected } = sessionAgent('sess-narr-3') + appendHeader(session, 'persona only') + await preStep(ctx, agent) + expect(injected).toEqual(['The approval policy changed from "ask" to "never" (changed by the operator/config).']) + }) + + it('a pinned override survives a default change silently', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent, session, injected } = sessionAgent('sess-narr-4') + appendHeader(session, 'persona only') + setApprovalPolicy(session, 'ask') + appendHeader(session, 'persona only') + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) +}) diff --git a/packages/bash/bash/README.md b/packages/bash/bash/README.md index e245148e93..5a1aff3588 100644 --- a/packages/bash/bash/README.md +++ b/packages/bash/bash/README.md @@ -30,8 +30,8 @@ Implementations subclass `BashExecutor`, implement the abstract methods, and cal ## Vocabulary -`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?, sandboxMode?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner, sandboxMode) before execution; `owner` and `sandboxMode` are optional on the request and **required-but-nullable** on the resolved spec, so a forgotten one is a visible `undefined` rather than a silently-absent property. `sandboxMode` is the explicit per-call sandbox-policy input (the staged escalation and per-session overrides of [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md) ride it); a sandboxing executor's `resolve()` stamps its configured default when the request carries none, and a non-sandboxing executor carries the field verbatim and confines nothing. +`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?, sandboxMode?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner, sandboxMode) before execution; `owner` and `sandboxMode` are optional on the request and **required-but-nullable** on the resolved spec, so a forgotten one is a visible `undefined` rather than a silently-absent property. `sandboxMode` is the explicit per-call sandbox-policy input: an escalation grant a human just issued ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md), which outranks) or the session's standing override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)); a sandboxing executor's `resolve()` stamps its configured default when the request carries none, and a non-sandboxing executor carries the field verbatim and confines nothing. -The task id (`BashTaskId`) and the `owner` token (`OwnerToken`) are [branded](../../util/brand) — `OwnerToken` is a DISTINCT brand from `SessionId` (the seam never imports `dsh-session`; the `dsh-tool-bash` consumer is the single boundary that casts its `SessionId` into one). `run()` returns `BashRunResult` (exitCode, signal, timedOut, aborted, timeoutMs, stdout/stderr as `CollectedOutput`) and `start()`/`readOutput()` use `BashTask`/`BashTaskRead` for the background side. A sandboxing executor additionally stamps `sandbox` result facts on results and settled tasks (`BashSandboxInfo`: the mode it executed under, the conservative `denied` classification, and — for confined modes — the backend's `enforcement` completeness); the mode/enforcement vocabulary is owned by the [`dsh-sandbox`](../../sandbox/sandbox/) seam, and the facts are documented in [core-data-structures/bash.md](../../../docs/core-data-structures/bash.md). See `src/types.ts` for the full contracts. +The seam also owns the per-session mode override vocabulary (the sandbox RFC § Per-session mode switching): the log-only `'bash/sandbox-mode'` session event, the pure fold `effectiveSandboxMode(events)` (last event wins; `undefined` means "apply the executor default"), and THE write path `setSandboxMode(session, mode)` — the session log is the store, so an override survives restart by replay and two sessions can never see each other's mode. Writers must respect turn-enclosure: the ACP bridge anchors an idle switch at the next turn rather than appending between turns. The task id (`BashTaskId`) and the `owner` token (`OwnerToken`) are [branded](../../util/brand) — `OwnerToken` is a DISTINCT brand from `SessionId` (the seam never imports `dsh-session`; the `dsh-tool-bash` consumer is the single boundary that casts its `SessionId` into one). `run()` returns `BashRunResult` (exitCode, signal, timedOut, aborted, timeoutMs, stdout/stderr as `CollectedOutput`) and `start()`/`readOutput()` use `BashTask`/`BashTaskRead` for the background side. A sandboxing executor additionally stamps `sandbox` result facts on results and settled tasks (`BashSandboxInfo`: the mode it executed under, the conservative `denied` classification, and — for confined modes — the backend's `enforcement` completeness); the mode/enforcement vocabulary is owned by the [`dsh-sandbox`](../../sandbox/sandbox/) seam, and the facts are documented in [core-data-structures/bash.md](../../../docs/core-data-structures/bash.md). See `src/types.ts` for the full contracts. `stdin` and `env` are set by in-process plugins (the hooks bridges, native plugins) to feed a hook command its JSON payload on stdin and its `CLAUDE_PROJECT_DIR`/`CLAUDE_PLUGIN_ROOT` env. The model-facing `dsh-tool-bash` tool does not expose them as parameters — a model already has equivalent power through shell syntax (`FOO=bar cmd`, a heredoc), so they would be redundant tool params. This is not a security boundary: the implementation's credential scrub (not these fields) is what keeps the harness's ambient secrets out of a spawned command. They are plain optionals on the resolved spec (unlike `owner`'s required-but-nullable): a missing one means "none", the safe default. See [the bash-stdin-env RFC](../../../docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md). diff --git a/packages/bash/bash/src/index.ts b/packages/bash/bash/src/index.ts index 396249d3d7..3b28756078 100644 --- a/packages/bash/bash/src/index.ts +++ b/packages/bash/bash/src/index.ts @@ -19,6 +19,7 @@ import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskId, BashTaskListener, BashTaskRead, OwnerToken } from './types.ts' export { BashTaskId, OwnerToken } from './types.ts' +export { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from './session-mode.ts' export type { BashExecRequest, BashExecSpec, diff --git a/packages/bash/bash/src/session-mode.ts b/packages/bash/bash/src/session-mode.ts new file mode 100644 index 0000000000..03ad6e3d7c --- /dev/null +++ b/packages/bash/bash/src/session-mode.ts @@ -0,0 +1,65 @@ +/** + * Per-session sandbox-mode override: the session log as the store. A runtime + * switch (an ACP `session/set_config_option`, a test scenario) is recorded as + * one `bash/sandbox-mode` event on the session it applies to; + * `effective = fold(events) ?? the executor's configured default`, so an + * override survives restart by replay, two sessions can never see each + * other's state, and there is no external config store. The event is + * log-only (the `approval/*` precedent): the model learns the mode from the + * prompt section and the boundary notices in `@deepseek-ai/dsh-tool-bash`, + * never from the event itself. EXECUTION honors the fold in the tool layer — + * it stamps the effective mode onto each call's `BashExecRequest.sandboxMode` + * (weakest-precedence: an escalation grant for the call outranks it) — the + * executor itself stays a config-fixed default plus per-call overrides. + * + * @module dsh-bash/session-mode + */ + +import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' + +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + /** + * The session's sandbox mode was switched — log-only (like `approval/*`; + * NOT a surface event, carries no `surfaceOp`): durable and replayable, + * never in the model transcript. The LAST such event is the session's + * override ({@link effectiveSandboxMode}); who asked for it is derivable + * from position (an event after the log's last `request/header*` was a + * runtime switch by the user; see the tool layer's narrator). + */ + 'bash/sandbox-mode': { mode: SandboxMode } + } +} + +/** Every {@link SandboxMode}, for option advertisement and runtime validation of untrusted mode strings. */ +export const SANDBOX_MODES: readonly SandboxMode[] = ['read-only', 'workspace-write', 'danger-full-access'] + +/** + * The session's sandbox-mode override: the last `bash/sandbox-mode` event in + * the log, or undefined when the session never switched (callers apply the + * executor's configured default). The pure fold — resume needs no catch-up + * machinery because replaying the log IS the state. + * @param events - session events in log order (other event types are skipped). + * @returns the mode of the last switch event, or undefined without one. + */ +export function effectiveSandboxMode(events: readonly SessionEvent[]): SandboxMode | undefined { + for (let index = events.length - 1; index >= 0; index -= 1) { + const event = events[index] as SessionEvent + if (event.type === 'bash/sandbox-mode') return event.data.mode + } + return undefined +} + +/** + * THE write path for a session's sandbox-mode override: appends exactly one + * `bash/sandbox-mode` event — the switch IS its event; nothing mutates mode + * state out of band. Takes effect on the session's next bash call and next + * prompt assembly (the consumers fold on every read). + * @param session - the session the override belongs to. + * @param mode - the mode every subsequent bash call in this session runs + * under (until the next switch). + */ +export function setSandboxMode(session: Session, mode: SandboxMode): void { + session.append('bash/sandbox-mode', { mode }) +} diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md index a45962e29c..1d2b646add 100644 --- a/packages/bash/tool-bash/README.md +++ b/packages/bash/tool-bash/README.md @@ -17,7 +17,7 @@ The plugin also contributes the `tool:bash` prompt section (order 105) — the c | `timeoutMs` | number | Timeout override in milliseconds. The executor applies its configured default and cap. | | `workdir` | string | Working directory for this call. Defaults to the calling agent's session cwd (`session.header.cwd`) so each session runs in its own workspace; a relative `workdir` is resolved against that session cwd. | | `run_in_background` | boolean | Return a task id immediately; no timeout applies. | -| `sandbox_permissions` | string enum | ADVERTISED ONLY when the mounted executor sandboxes (`ctx.bash.sandboxMode` reports a confining default): the strictly wider mode a denied command needs (`read-only` offers `workspace-write`/`danger-full-access`; `workspace-write` offers `danger-full-access`; nothing above `danger-full-access`, so the fields vanish). | +| `sandbox_permissions` | string enum | ADVERTISED ONLY when the mounted executor sandboxes (`ctx.bash.sandboxMode` reports a confining default): the wider mode a denied command needs, from the closed target vocabulary `workspace-write`/`danger-full-access` (never cut down to the executor's default — the effective mode is per-session; strict widening is checked at execution against it, and a non-widening request fails without prompting anyone). | | `justification` | string | Required together with `sandbox_permissions` (each without the other is a validation error): one sentence for the user explaining why this exact command needs the wider access. | `command`, `workdir`, and `timeoutMs` are resolved against the executor's config defaults via `ctx.bash.resolve()` before execution, so the executor seam (`BashExecSpec`) receives explicit `workdir`/`timeoutMs` values. The workdir default is applied in the tool layer (from the calling agent's `session.header.cwd`) BEFORE `resolve()` — the per-session cwd must come from `exec.agent`, since N sessions share one executor; only when no session cwd is available does the executor fall back to its own config / `process.cwd()`. @@ -52,5 +52,8 @@ The `BashExecRequest` seam carries optional `stdin` and `env`, used by the hooks Commands run with the executor's full authority unless a sandboxing executor ([`dsh-bash-sandbox`](../bash-sandbox/)) confines them — the deny-only sandbox reports denials as result facts, rendered here as the denial marker; per-call allow/deny/ask policy is the `tools/pre-execute` waterfall (see docs/architecture.md). -On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../approval/approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the executor's default), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. +On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../approval/approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the session's effective mode), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. +## Per-session mode switching + +Under a sandboxing executor this plugin makes the session's standing mode override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md); the `bash/sandbox-mode` fold owned by [`dsh-bash`](../bash/README.md)) real at EXECUTION: every call is stamped `escalation grant > session override > undefined` onto `BashExecRequest.sandboxMode`; without either, the executor's `resolve()` applies its configured default. Nothing is stamped under a non-sandboxing executor (nothing would honor it) or for an agent-less caller (no session to fold). The prompt deliberately does NOT state the mode and a switch is not narrated: a standing declaration teaches the model to refuse preemptively, while the denial marker already names the mode the command ran under exactly when the boundary is hit — behavior, not belief, carries the state. diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index da6c5c3325..25775a26b7 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -41,8 +41,16 @@ * through `ctx.approval` BEFORE anything executes and failing closed on every * unanswerable path. The fields exist only when the mounted executor reports * a confining default (`ctx.bash.sandboxMode`) — a lever is never advertised - * that the composition cannot honor. Per-session mode switching is the - * sandbox RFC's staged follow-up. + * that the composition cannot honor. + * + * Per-session mode switching (the sandbox RFC § Per-session mode switching): a session may carry a + * standing sandbox-mode override — the `bash/sandbox-mode` event fold from + * `@deepseek-ai/dsh-bash` — which this plugin makes real at EXECUTION: each + * call is stamped `escalation grant > session override > executor default`. + * The prompt deliberately does NOT state the mode and no switch is narrated: + * the model learns the boundary from the denial marker (which names the mode + * it ran under) exactly when it matters, instead of preemptively refusing + * work a standing declaration would discourage. * * @module @deepseek-ai/dsh-tool-bash */ @@ -59,7 +67,7 @@ import type {} from '@deepseek-ai/dsh-system-prompt' // stays optional at runtime, same pattern as dsh-tools' ask routing). import type {} from '@deepseek-ai/dsh-approval' import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' -import { BashTaskId, OwnerToken } from '@deepseek-ai/dsh-bash' +import { BashTaskId, OwnerToken, effectiveSandboxMode } from '@deepseek-ai/dsh-bash' import type { BashRunResult, BashTask, CollectedOutput } from '@deepseek-ai/dsh-bash' export const name = 'tool-bash' @@ -472,6 +480,19 @@ export function apply(ctx: Context): void { const defaultMode = ctx.bash.sandboxMode const escalationModes: readonly SandboxMode[] = defaultMode === undefined ? [] : ESCALATION_TARGETS + /** + * The session's standing mode override for an ordinary (non-escalating) + * call: the `bash/sandbox-mode` fold of the calling agent's log, stamped + * onto the request so EXECUTION follows the same effective mode the prompt + * section states. Weakest precedence — an escalation grant (freshly + * approved for exactly this call) outranks it, and without either the + * executor's `resolve()` applies its configured default. Undefined for a + * non-sandboxing executor (nothing honors it) and for agent-less callers + * (no session to fold). + */ + const sessionOverride = (exec: ToolExecution): SandboxMode | undefined => + defaultMode === undefined || exec.agent === undefined ? undefined : effectiveSandboxMode(exec.agent.session.events) + /** * Resolve a sandbox-escalation request through `ctx.approval` BEFORE * anything executes. Returns the granted mode to stamp onto the bash @@ -493,10 +514,12 @@ export function apply(ctx: Context): void { throw new Error('sandbox_permissions is not available in this composition (no sandboxing executor to escalate)') } // Strict widening is an EXECUTION check against the call's effective - // mode, deliberately not a schema constraint (the enum is the closed - // target vocabulary; the effective mode is per-call truth). A - // non-widening request fails closed here and never prompts a human. - const effectiveMode = defaultMode as SandboxMode + // mode — session override ?? executor default, the same fold ordinary + // calls are stamped with — deliberately not a schema constraint (the + // enum is the closed target vocabulary; the effective mode is per-call + // truth). A non-widening request fails closed here and never prompts a + // human. + const effectiveMode = (sessionOverride(exec) ?? defaultMode) as SandboxMode if (!(WIDER_MODES[effectiveMode] ?? []).includes(mode as SandboxMode)) { throw new Error(`sandbox escalation to "${mode}" is not strictly wider than this call's current "${effectiveMode}" mode`) } @@ -564,9 +587,11 @@ export function apply(ctx: Context): void { // An escalating call resolves approval BEFORE anything executes; every // non-grant outcome throws its distinct error text and runs nothing. // (validateBashArgs pinned the pairing, so the double narrow is exact.) + // An ordinary call carries the session's standing override instead — + // grant > session override > executor default (see sessionOverride). const sandboxMode = args.sandbox_permissions !== undefined && args.justification !== undefined ? await approveEscalation(args.sandbox_permissions, args.justification, exec) - : undefined + : sessionOverride(exec) // Default the workdir to the calling agent's session cwd so each ACP // session runs in its own workspace (see resolveWorkdir); an explicit // model workdir still wins. diff --git a/packages/bash/tool-bash/tests/tools.spec.ts b/packages/bash/tool-bash/tests/tools.spec.ts index 9ae80f28fb..4988713425 100644 --- a/packages/bash/tool-bash/tests/tools.spec.ts +++ b/packages/bash/tool-bash/tests/tools.spec.ts @@ -4,8 +4,9 @@ import { join } from 'node:path' import { describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' import { CallId } from '@deepseek-ai/dsh-llm' -import { BashExecutor, BashTaskId } from '@deepseek-ai/dsh-bash' +import { BashExecutor, BashTaskId, setSandboxMode } from '@deepseek-ai/dsh-bash' import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskRead, OwnerToken } from '@deepseek-ai/dsh-bash' +import { Session, SessionId } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' import AgentRegistry from '@deepseek-ai/dsh-agent' @@ -1135,7 +1136,7 @@ describe('sandbox rendering', () => { describe('sandbox escalation (sandbox_permissions / justification)', () => { /** Compose the real sandbox stack (passthrough runner) at a given default mode. */ - async function setupSandboxed(mode?: 'read-only' | 'workspace-write' | 'danger-full-access', opts: { approval?: boolean } = {}) { + async function setupSandboxed(mode?: 'read-only' | 'workspace-write' | 'danger-full-access', opts: { approval?: boolean; policy?: 'ask' | 'never' } = {}) { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) @@ -1144,7 +1145,7 @@ describe('sandbox escalation (sandbox_permissions / justification)', () => { await ctx.plugin(SandboxBashExecutor, { graceMs: 200, ...mode !== undefined ? { mode } : {} }) const bash = ctx.bash as SandboxBashExecutor bash.internals = { spillDir } - if (opts.approval === true) await ctx.plugin(ApprovalService) + if (opts.approval === true) await ctx.plugin(ApprovalService, opts.policy !== undefined ? { policy: opts.policy } : {}) await ctx.plugin(ToolBash) return { ctx, bash } } @@ -1327,6 +1328,23 @@ describe('sandbox escalation (sandbox_permissions / justification)', () => { expect(text(result)).toContain('unreachable') }) + it('a never policy rejects an escalation deterministically without consulting any answerer', async () => { + // The live-session e.md case: the model requests escalation against a + // 'never' session — the prepend gate answers rejected before any + // interactive answerer, the fail-closed text is the ordinary rejection + // wording, and the audit pair still lands. + const { ctx } = await setupSandboxed('read-only', { approval: true, policy: 'never' }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const events: Array<{ type: string; data: Record }> = [] + const result = await callAs(ctx, escalationAgent(events), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('the user rejected escalating this command to "workspace-write"') + expect(consulted).not.toHaveBeenCalled() + expect(events.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + expect(events[1]?.data).toMatchObject({ outcome: 'rejected' }) + }) + it('a plain call under a sandboxing executor never consults approval', async () => { const { ctx } = await setupSandboxed('read-only', { approval: true }) const asked = vi.fn() @@ -1337,3 +1355,122 @@ describe('sandbox escalation (sandbox_permissions / justification)', () => { expect(asked).not.toHaveBeenCalled() }) }) + +describe('per-session sandbox mode (the bash/sandbox-mode fold)', () => { + /** Compose the real sandbox stack (passthrough runner) at a given default mode. */ + async function setupModal(mode: 'read-only' | 'workspace-write' | 'danger-full-access' = 'read-only', opts: { approval?: boolean } = {}) { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200, mode }) + ;(ctx.bash as SandboxBashExecutor).internals = { spillDir } + if (opts.approval === true) await ctx.plugin(ApprovalService) + await ctx.plugin(ToolBash) + return ctx + } + + /** + * An agent stand-in over a REAL Session — the stamping folds real events; + * the opened turn satisfies approval's enclosure precondition on escalating + * calls. + */ + function sessionAgent(id: string): { agent: Agent; session: Session; injected: string[] } { + const session = new Session(SessionId(id)) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const injected: string[] = [] + const agent = { + id, + session, + inject: (content: { type: string; text: string }[]) => { injected.push(content[0]?.text ?? '') }, + } as unknown as Agent + return { agent, session, injected } + } + + let modeCall = 0 + const callAs = (ctx: Context, agent: Agent | undefined, args: unknown) => + ctx.tools.execute({ callId: CallId(`call-mode-${++modeCall}`), name: 'bash', arguments: args, ...agent ? { agent } : {} }) + + + it('stamps calls with grant > session override > nothing (executor default)', async () => { + const ctx = await setupModal('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + const seen: (string | undefined)[] = [] + const original = ctx.bash.resolve.bind(ctx.bash) + vi.spyOn(ctx.bash, 'resolve').mockImplementation((req) => { + seen.push(req.sandboxMode) + return original(req) + }) + const { agent, session } = sessionAgent('sess-stamp-1') + const run = { command: 'true', description: 'stamp probe' } + await callAs(ctx, agent, run) // no override yet + setSandboxMode(session, 'workspace-write') + await callAs(ctx, agent, run) // standing override + await callAs(ctx, undefined, run) // agent-less caller: no session to fold + await callAs(ctx, agent, { ...run, sandbox_permissions: 'danger-full-access', justification: 'grant outranks override' }) + expect(seen).toEqual([undefined, 'workspace-write', undefined, 'danger-full-access']) + }) + + it('escalates relative to the session effective mode, not the executor default (narrower override)', async () => { + // The blocker scenario: a workspace-write default with a read-only + // override — the sensible escalation is workspace-write, which a + // default-relative ladder could not even express. The static target + // vocabulary advertises it and the execution check accepts it as + // strictly wider than the CALL's effective (overridden) mode. + const ctx = await setupModal('workspace-write', { approval: true }) + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + const seen: (string | undefined)[] = [] + const original = ctx.bash.resolve.bind(ctx.bash) + vi.spyOn(ctx.bash, 'resolve').mockImplementation((req) => { + seen.push(req.sandboxMode) + return original(req) + }) + const { agent, session } = sessionAgent('sess-esc-narrow') + setSandboxMode(session, 'read-only') + const result = await callAs(ctx, agent, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'the override is narrower than the default' }) + expect(result.isError).toBe(false) + expect(seen).toEqual(['workspace-write']) + }) + + it('a danger-full-access default still offers the lever to a narrower-switched session', async () => { + // Under the default-relative ladder these fields VANISHED (nothing is + // wider than the default), stranding a read-only-overridden session + // with no escalation path at all. + const ctx = await setupModal('danger-full-access', { approval: true }) + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + const schema = ctx.tools.schemas().find(t => t.name === 'bash') as unknown as { parameters: { properties: Record } } + expect(schema.parameters.properties['sandbox_permissions']?.enum).toEqual(['workspace-write', 'danger-full-access']) + const { agent, session } = sessionAgent('sess-esc-dfa') + setSandboxMode(session, 'read-only') + const result = await callAs(ctx, agent, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'confined by override under a wide default' }) + expect(result.isError).toBe(false) + }) + + it('rejects a non-widening request against the OVERRIDDEN effective mode without prompting', async () => { + const ctx = await setupModal('read-only', { approval: true }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const { agent, session } = sessionAgent('sess-esc-nonwide') + setSandboxMode(session, 'danger-full-access') + const result = await callAs(ctx, agent, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'already wider via override' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('not strictly wider than this call\'s current "danger-full-access" mode') + expect(consulted).not.toHaveBeenCalled() + }) + + it('never stamps an override under a non-sandboxing executor (nothing honors it)', async () => { + const ctx = await setup() + const seen: (string | undefined)[] = [] + const original = ctx.bash.resolve.bind(ctx.bash) + vi.spyOn(ctx.bash, 'resolve').mockImplementation((req) => { + seen.push(req.sandboxMode) + return original(req) + }) + const { agent, session } = sessionAgent('sess-stamp-2') + setSandboxMode(session, 'danger-full-access') + await callAs(ctx, agent, { command: 'true', description: 'plain probe' }) + expect(seen).toEqual([undefined]) + }) + +}) diff --git a/packages/ui/acp/README.md b/packages/ui/acp/README.md index 0820db0cb5..8facac9e0d 100644 --- a/packages/ui/acp/README.md +++ b/packages/ui/acp/README.md @@ -32,11 +32,18 @@ The `initialize` handshake reports a fixed server identity (`agentInfo: { name: | `session/update` | `session/event` | `agent_message_chunk` (text-delta), `agent_thought_chunk` (reasoning-delta), `user_message_chunk` (load replay), `tool_call`/`tool_call_update` (the render intent — a `card`-tagged `ToolCallView`/`ToolResultView` — owned by the TOOL via `presentCall`/`presentResult`, which the bridge switches on to build the wire shape — see Tool-call presentation) | | `elicitation/create` | `ctx.userInteraction.ask()` | maps `ask_user_question` questions to ACP form elicitations; option descriptions are shown in enum titles, `multi_select` uses ACP array enums, optionless requests use a required `custom` field, and a non-empty custom answer overrides any selected choice | | `session/request_permission` | `approval/request` listener | the bridge is the [`ctx.approval`](../../approval/approval/README.md) answerer for the agents it owns: an `ask` (a hook or `tools/pre-execute` plugin) becomes an editor prompt attached to the streamed tool call, offering one-shot `allow_once`/`reject_once` options only; a foreign or call-less request delegates down the answerer chain (fail-closed `unavailable` default). See "Permission prompts" | +| `session/set_config_option` | `setSandboxMode` / `setApprovalPolicy` | per-session knob switching over [session config options](https://agentclientprotocol.com/protocol/session-config-options) — see "Session config options" | ## Multi-session The bridge multiplexes N sessions over one connection. Live sessions are held in a `Map` (forward) with a `WeakMap` reverse map so `agent/*` events — which carry only the `Agent` — demux in O(1). Every `session/event` and `agent/status` is routed strictly to its owning record, so concurrent sessions never cross-settle or interleave their `session/update` notifications. State is per session: one in-flight prompt each, `session/cancel` aborts and settles only its own agent/prompt, and disposal drains every live session in parallel to quiescence. Permission prompts follow the same ownership: the `approval/request` answerer resolves the owning session through the reverse map and prompts only there. +## Session config options + +The bridge advertises one independent `select` per composable knob in the `session/new`/`session/load` responses — `sandbox-mode` (`read-only`/`workspace-write`/`danger-full-access`, category `mode`) iff the mounted executor confines (`ctx.get('bash')?.sandboxMode` defined), `approval-policy` (`ask`/`never`) iff the approval seam is composed — with each session's `currentValue` folded from its OWN log (`effectiveSandboxMode`/`effectiveApprovalPolicy` ?? the composition default), so `session/load` reports a resumed session's overrides with no catch-up machinery. `session/set_config_option` validates the value against the same closed vocabulary, routes to the domain's write path (`setSandboxMode`/`setApprovalPolicy` — ONE log-only event on that session's log), and returns the complete refreshed state per the spec. Anchoring honors turn-enclosure: a switch while a turn is open appends immediately (openness read from the LOG — `agent.status` stays `running` between queued turns); an idle switch is held on the session record and anchored at the next turn's `agent/prompt-submit` (inside the turn, before anything assembles, last write per knob — an idle flip-flop anchors as one event), because appending from inside a `session/event` listener would reorder events for later-registered peers. Until anchored the switch lives in bridge memory only: responses overlay it truthfully, and a crash before the next turn reverts it — `session/load` then reports the fold's truth. Design: [the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md); protocol matrix: [acp-feature-support.md](acp-feature-support.md) § 6. + +Background-task isolation rides on `dsh-tool-bash`: bash task ids are global and predictable, so each task carries an opaque owner token — the owning agent's `session.header.id` — stored on the task inside the executor (`dsh-bash`'s `ownerOf(id)` seam). `bash_output`/`bash_kill` reject a task whose token differs from the caller's session token, so one session's agent can't read or kill another's task. Ownership is by session TOKEN, not `Agent` object identity — a different `Agent` object on the same session may access the task — and because the token lives on the executor's task it survives a `tool-bash` HMR reload. + ## Per-session cwd Each session runs in its own workspace, recorded as the session's `SessionHeader.cwd`. On `session/new` the (absolute) request `cwd` becomes that header cwd; on `session/load` the resumed session keeps its PERSISTED header cwd and the request `cwd` must be absolute and equal to it, so the editor and bash executor agree on the workspace before an agent is constructed. A load whose persisted session has no absolute cwd is REJECTED up front via a metadata-only `list()` check, BEFORE resume constructs an agent (else bash would silently fall back to the server's launch dir, and a post-resume reject would leak the registered agent). `dsh-tool-bash` then defaults the bash workdir to the calling agent's `session.header.cwd` (an explicit model `workdir` still wins; a relative one resolves against the session cwd; with no session cwd the executor falls back to its own config / `process.cwd()`). So the server no longer has to be launched in the workspace — an editor can open any project folder, and N sessions over one connection can each target a different directory. (`additionalDirectories` is still rejected: widening the tool/filesystem scope beyond the single cwd is a separate sandbox concern.) diff --git a/packages/ui/acp/acp-feature-support.md b/packages/ui/acp/acp-feature-support.md index ff27c3f2d5..0be43b4db6 100644 --- a/packages/ui/acp/acp-feature-support.md +++ b/packages/ui/acp/acp-feature-support.md @@ -10,7 +10,7 @@ Legend: ✅ supported · ⚠️ partial / fallback · ❌ not yet · — n/a. Th ## At a glance -The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), and resumable session replay. The largest **unbuilt** areas are **MCP passthrough**, **session modes / config options / model selection**, **slash commands**, and **agent plans** — all of which both reference adapters ship — plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). +The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), and resumable session replay. The largest **unbuilt** areas are the **permission gate** (`session/request_permission`), **MCP passthrough**, **session modes / config options / model selection**, **slash commands**, and **agent plans** — all of which both reference adapters ship — plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). ## 1. Agent methods (client → agent) @@ -26,7 +26,7 @@ The bridge implements the **core prompt-turn loop** for N concurrent sessions: i | `session/prompt` | S | ✅ | ✅ | ✅ | Maps to `agent.send`; one in-flight prompt per session; settles on the owning turn's end. | | `session/cancel` | S | ✅ | ✅ | ✅ | Queue-aware `agent.cancel`; settles the in-flight prompt `cancelled`, scoped to the one session. | | `session/set_mode` | S | ❌ | ✅ | ✅ | Session modes deliberately skipped: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry the two orthogonal knobs (see [§6](#6-session-modes--config-options--models)). | -| `session/set_config_option` | S | ❌ | ✅ | ✅ | Config options not modeled yet — the sandbox RFC's per-session mode switching stages them ([sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). | +| `session/set_config_option` | S | ✅ | ✅ | ✅ | Two capability-gated selects — `sandbox-mode` (confining executor mounted) and `approval-policy` (approval seam composed); values validated against the domain vocabularies, one log-only event per switch on the session's own log, complete refreshed state in the response ([sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). | | model selection | S | ❌ | ✅ | ✅ | No distinct stable `session/set_model` — model is the `model`-category `session/set_config_option`. The bridge fixes the model per-bridge via config; no runtime switch. Codex still uses the legacy `unstable_setSessionModel` ext method. | | `session/list` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.list`. The harness HAS `sessionPersistence.list()` (used internally for load-cwd validation) but does not expose it over ACP. | | `session/delete` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.delete`. | @@ -86,7 +86,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | `plan` | S | ❌ | ✅ | ✅ | No agent plan emitted. Both adapters emit real plan entries (Codex's `CodexEventHandler.updatePlan` maps `turn/plan/updated` → `{ sessionUpdate: 'plan', entries }`). | | `available_commands_update` | S | ❌ | ✅ | ✅ | No slash commands advertised. | | `current_mode_update` | S | ❌ | ✅ | ✅ | No session modes. | -| `config_option_update` | S | ❌ | ✅ | ✅ | No config options yet. | +| `config_option_update` | S | ❌ | ✅ | ✅ | Config options exist (advertised in `session/new`/`session/load`, switched via `session/set_config_option`), but the bridge never pushes agent-initiated changes — an operator default drift is narrated to the MODEL, not echoed to the editor. Future work in the [sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md). | | `usage_update` | S | ❌ | ✅ | ✅ | Token/cost reporting not surfaced (the harness records token usage internally on `assistant/message`). | | `session_info_update` | S | ❌ | ⚠️ | ⚠️ | Session title/metadata not pushed. | @@ -111,7 +111,7 @@ Tool-call presentation is **owned by each tool** (`presentCall` / `presentResult ## 6. Session modes / config options / models -Session modes and config options are not modeled yet: the sandbox RFC's per-session mode switching ([sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)) stages config options as the surface (modes are slated for removal in ACP v2, and one mode list cannot carry two orthogonal knobs). Runtime model selection is also not modeled — the harness fixes the model per-bridge via `AcpConfig.model` (both reference adapters ship a model selector). +Config options ✅ (the [sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): the bridge advertises one independent `select` per composable knob — `sandbox-mode` iff the mounted executor confines, `approval-policy` iff the approval seam is composed — with per-session current values folded from each session's own log, and honors `session/set_config_option` end to end (idle switches anchor at the next turn under the turn-enclosure contract). Session MODES stay deliberately unmodeled: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry two orthogonal knobs. Runtime model selection is still not modeled — the harness fixes the model per-bridge via `AcpConfig.model` (both reference adapters ship a model selector). ## 7. Content blocks @@ -141,7 +141,7 @@ The bridge rejects unsupported prompt blocks rather than silently dropping them Ranked by how commonly the reference adapters ship them and how much UX they unlock: 1. **Session lifecycle** — `session/list` + `session/delete` (the persistence layer already lists), then `session/resume` / `session/close`. -2. **Modes / config options / model selection** — the permission round-trip landed with the approval seam; the config surface (`sandbox-mode`/`approval-policy` options) is the sandbox RFC's staged config phase. +2. **Modes / config options / model selection** — the permission round-trip landed with the approval seam; the config surface (`sandbox_mode`/`approval_policy` options) is the sandbox RFC's config phase. 3. **Agent plan** (`sessionUpdate: 'plan'`) — surface the loop's plan as structured entries. 4. **Slash commands** (`available_commands_update`). 5. **MCP passthrough** (`mcpServers` on `session/new` + `mcpCapabilities`). diff --git a/packages/ui/acp/package.json b/packages/ui/acp/package.json index 8c9f731363..0f3efc7110 100644 --- a/packages/ui/acp/package.json +++ b/packages/ui/acp/package.json @@ -29,7 +29,9 @@ "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", "@deepseek-ai/dsh-approval": "^0.0.1", + "@deepseek-ai/dsh-bash": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-session-persistence": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", @@ -46,6 +48,7 @@ "@deepseek-ai/dsh-fs-policy": "workspace:^", "@deepseek-ai/dsh-invariants": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-session-persistence": "workspace:^", "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^", diff --git a/packages/ui/acp/src/index.ts b/packages/ui/acp/src/index.ts index 5959f0f9c4..a7b13ac13b 100644 --- a/packages/ui/acp/src/index.ts +++ b/packages/ui/acp/src/index.ts @@ -62,7 +62,10 @@ import { type PlanEntry, type PromptRequest, type PromptResponse, + type SessionConfigOption, type SessionNotification, + type SetSessionConfigOptionRequest, + type SetSessionConfigOptionResponse, type Stream, type StopReason, } from '@agentclientprotocol/sdk' @@ -71,6 +74,10 @@ import { assertNever, CallId } from '@deepseek-ai/dsh-llm' import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent' import { AgentId } from '@deepseek-ai/dsh-agent' import { SessionId } from '@deepseek-ai/dsh-session' +import { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from '@deepseek-ai/dsh-bash' +import { APPROVAL_POLICIES, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-approval' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' +import type { ApprovalPolicy } from '@deepseek-ai/dsh-approval' import type { SessionEvent, TodoItem, TurnEndReason } from '@deepseek-ai/dsh-session' import type { ToolCallView, ToolRegistry, ToolResultView, TerminalResultView } from '@deepseek-ai/dsh-tools' // Side-effect type import: declaration-merges `ctx.sessionPersistence` onto @@ -313,6 +320,19 @@ interface SessionRecord { turn: number | undefined logWatermark: number } | undefined + /** + * Config switches accepted while the session was IDLE, not yet anchored in + * its log. The turn-enclosure contract makes a bare between-turns append + * invalid (the JSONL backend treats a post-`turn/end` tail as crash + * garbage, and dev invariants throw), so an idle switch waits here and is + * anchored at the next turn's prompt-submit — before anything in that + * turn assembles a prompt or runs a call, and last write + * per knob wins (an idle flip-flop anchors as one event). Until anchored, + * the switch lives only in bridge memory: the set/new/load responses + * overlay it truthfully, and a restart before the next turn reverts it — + * which `session/load` then reports honestly from the log's fold. + */ + pendingSwitches: { sandboxMode?: SandboxMode; approvalPolicy?: ApprovalPolicy } } /** @@ -593,6 +613,103 @@ export function apply(ctx: Context, config: AcpConfig): void { // --- The ACP Agent method surface ----------------------------------------- + /** + * The session config options this composition can honor, with current + * values folded from the AGENT'S OWN session log (`effectiveSandboxMode` / + * `effectiveApprovalPolicy` — the log is the per-session store, so a + * `session/load` reports a resumed session's overrides with no catch-up + * machinery), overlaid with the record's not-yet-anchored pending switches + * (see {@link SessionRecord.pendingSwitches}). Capability-gated like every + * advertised lever: the sandbox option exists only when the mounted + * executor confines (`ctx.get('bash')?.sandboxMode` defined), the approval + * option only when the approval seam is composed — both read + * opportunistically so this bridge keeps working in compositions without + * them. + */ + const configOptionsFor = (agent: Agent, pending: SessionRecord['pendingSwitches'] = {}): SessionConfigOption[] => { + const options: SessionConfigOption[] = [] + const defaultMode = ctx.get('bash')?.sandboxMode + if (defaultMode !== undefined) { + options.push({ + id: 'sandbox-mode', + name: 'Sandbox', + description: 'The file sandbox mode bash commands in this session run under.', + category: 'mode', + type: 'select', + currentValue: pending.sandboxMode ?? effectiveSandboxMode(agent.session.events) ?? defaultMode, + options: SANDBOX_MODES.map(mode => ({ value: mode, name: mode })), + }) + } + const approval = ctx.get('approval') + if (approval !== undefined) { + options.push({ + id: 'approval-policy', + name: 'Approvals', + description: 'ask: permission prompts reach you; never: they are rejected automatically.', + type: 'select', + // `?? 'ask'` also shields against a provided stand-in whose config + // never went through the plugin schema (tests do this). + currentValue: pending.approvalPolicy ?? effectiveApprovalPolicy(agent.session.events) ?? approval.config.policy ?? 'ask', + options: APPROVAL_POLICIES.map(policy => ({ value: policy, name: policy })), + }) + } + return options + } + + /** + * Whether the session's log currently has an open turn — the last boundary + * event is a `turn/start`. Decides whether a config switch may append NOW + * (enclosed) or must wait for the next turn (see + * {@link SessionRecord.pendingSwitches}). Read from the LOG, not + * `agent.status`: status stays `running` across the gap between two queued + * turns, where a bare append would still land outside any turn. + */ + const isTurnOpen = (agent: Agent): boolean => { + const events = agent.session.events + for (let index = events.length - 1; index >= 0; index -= 1) { + const type = (events[index] as SessionEvent).type + if (type === 'turn/start') return true + if (type === 'turn/end') return false + } + return false + } + + /** + * Anchor a record's pending switches into its (just-opened) turn, last + * write per knob — skipping a value the session already effectively has, + * so a net-zero idle flip-flop anchors NOTHING (the log records switches, + * not select clicks). + */ + const flushPendingSwitches = (rec: SessionRecord): void => { + const pending = rec.pendingSwitches + rec.pendingSwitches = {} + const events = rec.agent.session.events + if (pending.sandboxMode !== undefined + && pending.sandboxMode !== (effectiveSandboxMode(events) ?? ctx.get('bash')?.sandboxMode)) { + setSandboxMode(rec.agent.session, pending.sandboxMode) + } + if (pending.approvalPolicy !== undefined + && pending.approvalPolicy !== (effectiveApprovalPolicy(events) ?? ctx.get('approval')?.config.policy ?? 'ask')) { + setApprovalPolicy(rec.agent.session, pending.approvalPolicy) + } + } + + // Idle-accepted switches anchor at the next turn's prompt-submit: the turn + // is open (the seam fires inside it, per drained message — the first flush + // empties the slot, later ones no-op), the loop has not yet assembled + // anything for it, and — unlike appending from inside a `session/event` + // listener — this seam fires OUTSIDE any log emit, so peer listeners + // (the dev invariants, persistence) observe the anchored events in strict + // log order. A turn with no prompt (an idle inject's one-shot injection + // turn) leaves the switch pending — it runs no step, so nothing executes + // or assembles under a stale value. + ctx.on('agent/prompt-submit', (agent, _content, _source, next) => { + const sessionId = bySession.get(agent) + const rec = sessionId === undefined ? undefined : sessions.get(sessionId) + if (rec !== undefined) flushPendingSwitches(rec) + return next() + }) + const makeAgent = (connection: AgentSideConnection): AcpAgent => { conn = connection return { @@ -646,8 +763,10 @@ export function apply(ctx: Context, config: AcpConfig): void { presenter: makePresenter(), terminalEnabled: terminalOutputCap, inflight: undefined, + pendingSwitches: {}, }) - return Promise.resolve({ sessionId }) + const configOptions = configOptionsFor(handle.agent) + return Promise.resolve({ sessionId, ...configOptions.length > 0 ? { configOptions } : {} }) }, async loadSession(params: LoadSessionRequest): Promise { @@ -723,6 +842,7 @@ export function apply(ctx: Context, config: AcpConfig): void { presenter: makePresenter(), terminalEnabled, inflight: undefined, + pendingSwitches: {}, } sessions.set(sessionId, record) // Replay the persisted event log to the client as session/update. Use @@ -746,7 +866,8 @@ export function apply(ctx: Context, config: AcpConfig): void { for (const event of agent.session.events) { streamSessionEventUpdate(sessionId, event, notify, replayPresenter, replayTerminal) } - return {} + const configOptions = configOptionsFor(agent) + return configOptions.length > 0 ? { configOptions } : {} } finally { loadingIds.delete(sessionId) } @@ -802,6 +923,61 @@ export function apply(ctx: Context, config: AcpConfig): void { return Promise.resolve() }, + setSessionConfigOption(params: SetSessionConfigOptionRequest): Promise { + assertOpen() + const rec = requireSession(SessionId(params.sessionId)) + // Both advertised options are selects, so the boolean-shaped variant of + // the request is a protocol misuse regardless of configId. + if (typeof params.value !== 'string') { + throw invalidParams(`config option ${params.configId} is a select; boolean values are not accepted`) + } + // The setters append ONE log-only event on this session's own log — + // the log is the store (the sandbox RFC § Per-session mode switching): execution, the + // prompt section, and the narrator all fold it from there, and a + // resumed session reports the override back through + // configOptionsFor. A switch while a turn is OPEN anchors + // immediately (the next step sees it); an IDLE switch waits in + // pendingSwitches for the next `turn/start` (turn-enclosure: a bare + // between-turns append would be dropped as crash tail on reload). + // Values are validated against the same closed lists the options + // advertised; an id this composition never advertised (or an unknown + // one) rejects. + switch (params.configId) { + case 'sandbox-mode': { + const defaultMode = ctx.get('bash')?.sandboxMode + if (defaultMode === undefined || !SANDBOX_MODES.includes(params.value as SandboxMode)) { + throw invalidParams(`unknown sandbox-mode value ${JSON.stringify(params.value)}`) + } + const value = params.value as SandboxMode + // A no-op switch (the value the session already shows — pending, + // else fold, else default) is acknowledged without recording + // anything: clients that re-push current selections on session + // start must not mint override events out of thin air. + const current = rec.pendingSwitches.sandboxMode ?? effectiveSandboxMode(rec.agent.session.events) ?? defaultMode + if (value === current) break + if (isTurnOpen(rec.agent)) setSandboxMode(rec.agent.session, value) + else rec.pendingSwitches.sandboxMode = value + break + } + case 'approval-policy': { + const approval = ctx.get('approval') + if (approval === undefined || !APPROVAL_POLICIES.includes(params.value as ApprovalPolicy)) { + throw invalidParams(`unknown approval-policy value ${JSON.stringify(params.value)}`) + } + const value = params.value as ApprovalPolicy + const current = rec.pendingSwitches.approvalPolicy ?? effectiveApprovalPolicy(rec.agent.session.events) ?? approval.config.policy ?? 'ask' + if (value === current) break + if (isTurnOpen(rec.agent)) setApprovalPolicy(rec.agent.session, value) + else rec.pendingSwitches.approvalPolicy = value + break + } + default: + throw invalidParams(`unknown config option ${JSON.stringify(params.configId)}`) + } + // The spec requires the COMPLETE refreshed config state in the response + // (a change may cascade); ours are independent, but the contract holds. + return Promise.resolve({ configOptions: configOptionsFor(rec.agent, rec.pendingSwitches) }) + }, } } diff --git a/packages/ui/acp/tests/config-options.spec.ts b/packages/ui/acp/tests/config-options.spec.ts new file mode 100644 index 0000000000..46ff7c13e5 --- /dev/null +++ b/packages/ui/acp/tests/config-options.spec.ts @@ -0,0 +1,260 @@ +/** + * Session config options over the bridge: the two per-session knobs + * (`sandbox-mode`, `approval-policy`) advertised from composition capability, + * their current values folded from each session's own log, switching via + * `session/set_config_option` (one log-only event per switch — the log is the + * store), and a resumed session reporting its overrides back on + * `session/load` with no catch-up machinery. + */ + +import { afterEach, beforeEach, describe, expect, it } from 'vitest' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' +import * as Invariants from '@deepseek-ai/dsh-invariants' +import ApprovalService from '@deepseek-ai/dsh-approval' +import type { ApprovalPolicy } from '@deepseek-ai/dsh-approval' +import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' +import { makeBridgeHarness, textResponse, type BridgeHarness } from './harness.ts' + +/** + * The REAL local executor reporting a confining default — `sandboxMode` is + * the documented capability override point (`dsh-bash-sandbox` overrides it + * the same way), so the bridge sees exactly what a sandboxing composition + * advertises without this suite dragging in a kernel sandbox stack. + */ +class SandboxedLocalExecutor extends LocalBashExecutor { + override get sandboxMode(): SandboxMode { + return 'read-only' + } +} + +/** The exact option payloads the bridge advertises (pinned verbatim). */ +function sandboxOption(currentValue: SandboxMode): object { + return { + id: 'sandbox-mode', + name: 'Sandbox', + description: 'The file sandbox mode bash commands in this session run under.', + category: 'mode', + type: 'select', + currentValue, + options: [ + { value: 'read-only', name: 'read-only' }, + { value: 'workspace-write', name: 'workspace-write' }, + { value: 'danger-full-access', name: 'danger-full-access' }, + ], + } +} + +function approvalOption(currentValue: ApprovalPolicy): object { + return { + id: 'approval-policy', + name: 'Approvals', + description: 'ask: permission prompts reach you; never: they are rejected automatically.', + type: 'select', + currentValue, + options: [ + { value: 'ask', name: 'ask' }, + { value: 'never', name: 'never' }, + ], + } +} + +describe('acp bridge — session config options', () => { + let storageDir: string + let h: BridgeHarness | undefined + let loader: BridgeHarness | undefined + + beforeEach(async () => { storageDir = await mkdtemp(join(tmpdir(), 'acp-config-')) }) + afterEach(async () => { + if (h) await h.dispose() + if (loader) await loader.dispose() + h = loader = undefined + await rm(storageDir, { recursive: true, force: true }) + }) + + /** A harness whose composition can honor both knobs (sandboxed executor + approval seam). */ + async function bothKnobs(options: { policy?: ApprovalPolicy; script?: NonNullable[0]>['script'] } = {}): Promise { + const harness = await makeBridgeHarness({ storageDir, ...options.script !== undefined ? { script: options.script } : {} }) + // The dev invariants police turn-enclosure: an idle switch that appended + // outside a turn would throw right here in the suite, not in production. + await harness.ctx.plugin(Invariants) + await harness.ctx.plugin(SandboxedLocalExecutor, { timeoutMs: 10_000 }) + await harness.ctx.plugin(ApprovalService, options.policy !== undefined ? { policy: options.policy } : {}) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + return harness + } + + it('advertises no configOptions in a composition with neither knob', async () => { + h = await makeBridgeHarness({ storageDir }) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toBeUndefined() + }) + + it('a non-confining executor advertises no sandbox option (nothing would honor it)', async () => { + h = await makeBridgeHarness({ storageDir, withBash: true }) + await h.ctx.plugin(ApprovalService) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([approvalOption('ask')]) + }) + + it('advertises both knobs with capability-derived currents (config default included)', async () => { + h = await bothKnobs({ policy: 'never' }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([sandboxOption('read-only'), approvalOption('never')]) + }) + + it('an idle switch is pending (overlaid, not yet logged), then anchors INSIDE the next turn', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + + const afterSandbox = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + expect(afterSandbox.configOptions).toEqual([sandboxOption('workspace-write'), approvalOption('ask')]) + const afterApproval = await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + expect(afterApproval.configOptions).toEqual([sandboxOption('workspace-write'), approvalOption('never')]) + + // Idle: nothing in the log yet — turn-enclosure forbids a bare append + // (the dev invariants in this suite would throw), so the switch lives on + // the record until a turn opens. + const session = h.ctx.agents.list()[0]?.session + expect(session?.events.some(e => e.type === 'bash/sandbox-mode' || e.type === 'approval/policy')).toBe(false) + + // The next turn anchors both switches inside itself, one event per knob. + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = session?.events ?? [] + expect(events.filter(e => e.type === 'bash/sandbox-mode').map(e => e.data)).toEqual([{ mode: 'workspace-write' }]) + expect(events.filter(e => e.type === 'approval/policy').map(e => e.data)).toEqual([{ policy: 'never' }]) + const turnStart = events.findIndex(e => e.type === 'turn/start') + const anchored = events.findIndex(e => e.type === 'bash/sandbox-mode') + expect(turnStart).toBeGreaterThanOrEqual(0) + expect(anchored).toBeGreaterThan(turnStart) + }) + + it('an idle flip-flop anchors as ONE event (last write per knob wins)', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'bash/sandbox-mode').map(e => e.data)).toEqual([{ mode: 'danger-full-access' }]) + // Idle again AFTER a completed turn (the log now ends in turn/end): a new + // switch pends rather than appending outside the closed turn. + const again = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'read-only' }) + expect(again.configOptions?.find(option => option.id === 'sandbox-mode')).toMatchObject({ currentValue: 'read-only' }) + expect(events.filter(e => e.type === 'bash/sandbox-mode')).toHaveLength(1) + }) + + it('a no-op switch (the value already shown) records nothing and keeps a live pending', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + // Re-pushing the composition default (what clients that echo current + // selections on session start do) must not mint an override event. + const echo = await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'ask' }) + expect(echo.configOptions?.find(option => option.id === 'approval-policy')).toMatchObject({ currentValue: 'ask' }) + // Re-sending a PENDING value keeps the pending switch alive (it is what + // the session shows), rather than cancelling it. + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + const repeat = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + expect(repeat.configOptions?.find(option => option.id === 'sandbox-mode')).toMatchObject({ currentValue: 'workspace-write' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'approval/policy')).toHaveLength(0) + expect(events.filter(e => e.type === 'bash/sandbox-mode').map(e => e.data)).toEqual([{ mode: 'workspace-write' }]) + }) + + it('a net-zero idle flip-flop anchors NOTHING (switches are recorded, select clicks are not)', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + const back = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'read-only' }) + expect(back.configOptions?.find(option => option.id === 'sandbox-mode')).toMatchObject({ currentValue: 'read-only' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'bash/sandbox-mode')).toHaveLength(0) + }) + + it('a mid-turn switch anchors immediately (the open turn encloses it)', async () => { + h = await bothKnobs({ script: ['hang'] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const hung = h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'go' }] }) + // Give the loop a tick to open the turn (the turns.spec hang idiom). + await new Promise(resolve => setTimeout(resolve, 30)) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + const turnStart = events.findIndex(e => e.type === 'turn/start') + const anchored = events.findIndex(e => e.type === 'bash/sandbox-mode') + expect(turnStart).toBeGreaterThanOrEqual(0) + expect(anchored).toBeGreaterThan(turnStart) + expect(events.some(e => e.type === 'approval/policy')).toBe(true) + await h.client.cancel({ sessionId }) + await hung + }) + + it('tolerates a provided approval stand-in whose config skipped the plugin schema', async () => { + h = await makeBridgeHarness({ storageDir, script: [textResponse('ok')] }) + h.ctx.provide('approval', { config: {} } as unknown as InstanceType) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([approvalOption('ask')]) + const sessionId = res.sessionId + // The schema-less config also shields the no-op guard ('ask' by the ?? fallback)… + const echo = await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'ask' }) + expect(echo.configOptions).toEqual([approvalOption('ask')]) + // …and the anchor-time comparison: a real switch under the stand-in still anchors. + await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'approval/policy').map(e => e.data)).toEqual([{ policy: 'never' }]) + }) + + it('rejects unknown ids, unadvertised ids, boolean values, and out-of-vocabulary values', async () => { + h = await makeBridgeHarness({ storageDir }) + await h.ctx.plugin(ApprovalService) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'reasoning-effort', value: 'max' })) + .rejects.toThrow(/unknown config option/) + // sandbox-mode exists as a concept but THIS composition never advertised it. + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' })) + .rejects.toThrow(/unknown sandbox-mode value/) + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', type: 'boolean', value: true })) + .rejects.toThrow(/select; boolean values are not accepted/) + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'always' })) + .rejects.toThrow(/unknown approval-policy value/) + }) + + it('a switch in one session never leaks into a concurrent one (state and pending both per-session)', async () => { + h = await bothKnobs() + const a = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const b = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId: a.sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + // B sees its own composition defaults, not A's pending switch... + const bAfter = await h.client.setSessionConfigOption({ sessionId: b.sessionId, configId: 'approval-policy', value: 'never' }) + expect(bAfter.configOptions).toEqual([sandboxOption('read-only'), approvalOption('never')]) + // ...and A keeps its own state, untouched by B's. + const aAfter = await h.client.setSessionConfigOption({ sessionId: a.sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + expect(aAfter.configOptions).toEqual([sandboxOption('danger-full-access'), approvalOption('ask')]) + }) + + it('session/load reports a resumed session\'s overrides from its own log', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + // One turn checkpoints the log (the switch events flush with it). + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'persist me' }] }) + await h.dispose() + h = undefined + + loader = await bothKnobs() + const res = await loader.client.loadSession({ sessionId, cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([sandboxOption('danger-full-access'), approvalOption('never')]) + }) +}) diff --git a/packages/ui/acp/tsconfig.json b/packages/ui/acp/tsconfig.json index 7c80e7459c..9aea0732d6 100644 --- a/packages/ui/acp/tsconfig.json +++ b/packages/ui/acp/tsconfig.json @@ -38,6 +38,9 @@ { "path": "../../approval/approval" }, + { + "path": "../../sandbox/sandbox" + }, { "path": "../../bash/bash" } diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 624ae3407d..06bda5af34 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -76,6 +76,10 @@ importers: version: 4.1.8(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) packages/approval/approval: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 devDependencies: '@deepseek-ai/dsh-agent': specifier: workspace:^ @@ -89,6 +93,9 @@ importers: '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../../core/system-prompt cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -1077,6 +1084,9 @@ importers: '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../../sandbox/sandbox '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session From ca39fd89b0d3fb3da46744891c12840c0ea0e8b3 Mon Sep 17 00:00:00 2001 From: kingwl Date: Thu, 9 Jul 2026 16:44:32 +0800 Subject: [PATCH 76/90] =?UTF-8?q?feat(example):=20sandbox-acp-agent=20?= =?UTF-8?q?=E2=80=94=20the=20live=20composition;=20RFCs=20to=20implemented?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The three-entry cordis.yml (dsh-sandbox-local + dsh-bash-sandbox at a read-only default + dsh-approval) served over ACP: the first live approval composition. Recorded snapshot scenarios pin the wire end to end — config-options advertisement, the mode-switching arc as the suite pinned header (both switches, the prompt-section delta, one changed-by-the-user notice per knob, a confined write landing under the switched mode), and both escalation branches over scripted permissionAnswers (a grant runs confined under workspace-write; a rejection executes nothing and pins the fail-closed text). The with-key escalation e2e drives a real model + real runner + the real bridge answerer, world-verified; ci.yml snapshot lane and e2e.yml install bubblewrap so the confined replays actually execute. Both RFCs move to implemented/ (Decision/Consequences form, deferred phases tracked in their own sections), with every cross-reference flipped. --- .github/workflows/ci.yml | 14 + .github/workflows/e2e.yml | 14 + docs/architecture.md | 2 + docs/cookbook/extension-cookbook.md | 4 +- docs/core-data-structures/bash.md | 2 +- docs/event-producer-consumer.md | 2 +- docs/persistence-catalog.md | 6 +- docs/rfc/INDEX.md | 4 +- .../feature/2026-06-30-hook-bridges.md | 2 +- .../feature/2026-06-30-interception-seams.md | 2 +- .../feature/2026-07-06-approval-seam.md | 50 ++-- .../feature/2026-07-06-sandbox.md | 60 ++--- .../2026-06-14-acp-agent-client-protocol.md | 2 +- .../feature/2026-06-14-acp-multi-session.md | 2 +- examples/AGENTS.md | 5 +- examples/README.md | 6 + examples/sandbox-acp-agent/README.md | 16 ++ .../sandbox-acp-agent/cordis.snapshot.yml | 30 +++ examples/sandbox-acp-agent/cordis.yml | 63 +++++ examples/sandbox-acp-agent/package.json | 7 + .../sandbox-acp-agent/tests/acp.snapshot.ts | 67 +++++ .../sandbox-acp-agent/tests/escalation.e2e.ts | 213 +++++++++++++++ .../tests/snapshots/config-options/input.json | 10 + .../snapshots/config-options/session.jsonl | 1 + .../config-options/stdout.golden.jsonl | 6 + .../snapshots/escalation-approved/input.json | 10 + .../escalation-approved/session.jsonl | 149 +++++++++++ .../escalation-approved/stdout.golden.jsonl | 59 +++++ .../snapshots/escalation-rejected/input.json | 10 + .../escalation-rejected/session.jsonl | 202 +++++++++++++++ .../escalation-rejected/stdout.golden.jsonl | 111 ++++++++ .../tests/snapshots/mode-switching/input.json | 11 + .../snapshots/mode-switching/session.jsonl | 245 ++++++++++++++++++ .../mode-switching/stdout.golden.jsonl | 134 ++++++++++ .../mode-switching/workspace/notes.txt | 1 + knip.json | 10 +- package.json | 1 + packages/approval/README.md | 6 +- packages/approval/approval/README.md | 4 +- packages/bash/bash-local/README.md | 2 +- packages/bash/bash-sandbox/README.md | 2 +- packages/bash/bash-sandbox/src/index.ts | 2 +- packages/bash/bash/README.md | 2 +- packages/bash/tool-bash/README.md | 4 +- packages/bash/tool-bash/src/index.ts | 2 +- .../cordis/tool-cordis/src/api-catalog.ts | 60 ++++- packages/sandbox/README.md | 4 +- packages/sandbox/sandbox-local/README.md | 4 +- packages/sandbox/sandbox-local/src/index.ts | 2 +- packages/sandbox/sandbox/README.md | 4 +- packages/sandbox/sandbox/src/index.ts | 4 +- packages/support/acp-snapshot/src/suite.ts | 21 +- packages/ui/acp/README.md | 2 +- packages/ui/acp/acp-feature-support.md | 6 +- scripts/doc-budgets.manifest.json | 4 +- scripts/gen-config-catalog.ts | 8 +- tsconfig.base.json | 4 +- tsconfig.build.json | 8 +- tsconfig.json | 8 +- 59 files changed, 1579 insertions(+), 117 deletions(-) rename docs/rfc/{proposed => implemented}/feature/2026-07-06-approval-seam.md (70%) rename docs/rfc/{proposed => implemented}/feature/2026-07-06-sandbox.md (85%) create mode 100644 examples/sandbox-acp-agent/README.md create mode 100644 examples/sandbox-acp-agent/cordis.snapshot.yml create mode 100644 examples/sandbox-acp-agent/cordis.yml create mode 100644 examples/sandbox-acp-agent/package.json create mode 100644 examples/sandbox-acp-agent/tests/acp.snapshot.ts create mode 100644 examples/sandbox-acp-agent/tests/escalation.e2e.ts create mode 100644 examples/sandbox-acp-agent/tests/snapshots/config-options/input.json create mode 100644 examples/sandbox-acp-agent/tests/snapshots/config-options/session.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/config-options/stdout.golden.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/escalation-approved/input.json create mode 100644 examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/escalation-approved/stdout.golden.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/escalation-rejected/input.json create mode 100644 examples/sandbox-acp-agent/tests/snapshots/escalation-rejected/session.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/escalation-rejected/stdout.golden.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/mode-switching/input.json create mode 100644 examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/mode-switching/stdout.golden.jsonl create mode 100644 examples/sandbox-acp-agent/tests/snapshots/mode-switching/workspace/notes.txt diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index acb74c0c26..4840b88192 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -82,6 +82,20 @@ jobs: - name: Install (immutable) run: pnpm install --frozen-lockfile + # The snapshot lane REPLAYS the sandbox example's recorded scenarios, + # re-executing their bash calls under a real runner. ubuntu-latest has + # no bubblewrap preinstalled and no built Landlock launcher, so without + # this the confined executions fail closed (SANDBOX_UNAVAILABLE). Same + # install as sandbox.yml's bwrap leg (incl. the Ubuntu 24.04 AppArmor + # userns knob). + - name: Install bubblewrap (unrestrict userns) + if: matrix.lane == 'snapshot' + run: | + sudo apt-get update -q + sudo apt-get install -yq bubblewrap + sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 \ + || echo "apparmor userns knob absent — the functional probe decides" + - uses: actions/cache@v4 if: matrix.lane == 'lint' with: diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml index c0371947fd..e06fb025bd 100644 --- a/.github/workflows/e2e.yml +++ b/.github/workflows/e2e.yml @@ -82,6 +82,20 @@ jobs: - name: Install (immutable) run: pnpm install --frozen-lockfile + # The with-key escalation e2e (examples/sandbox-acp-agent/tests/ + # escalation.e2e.ts) self-skips without a usable runner — without this + # step it would never actually execute anywhere (CI had no bwrap, dev + # macs run Seatbelt instead), which is exactly how a broken harness + # composition once survived unseen. Same recipe as ci.yml's bwrap + # steps; the userns knob is best-effort (absent on pre-24.04 kernels, + # the probe decides). + - name: Install bubblewrap (unrestrict userns) + run: | + sudo apt-get update -q + sudo apt-get install -yq bubblewrap + sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 \ + || echo "apparmor userns knob absent — the functional probe decides" + # Guard against a false green: the e2e suites self-skip when the key is # absent, so a missing/misconfigured secret would otherwise pass as # "all skipped". This job only runs on trusted events (the `if:` above diff --git a/docs/architecture.md b/docs/architecture.md index 01ae6ef7cb..7f8b5f1e9a 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -26,6 +26,7 @@ Composition is preferred over inheritance. `packages/core/` is a repository grou |---|---|---| | `ctx.llm` | [`llm/`](../packages/llm/README.md) | adapter registry and streaming model calls | | `ctx.bash` | [`bash/`](../packages/bash/README.md) | foreground/background command execution | +| `ctx.sandbox` | [`sandbox/`](../packages/sandbox/README.md) | same-world process confinement (argv wrapping, per-call policy) | | `ctx.codeRuntime` | [`code-runtime/`](../packages/code-runtime/README.md) | model-written program execution | | `ctx.fs` | [`fs/`](../packages/fs/README.md) | filesystem provider primitives and policy events | | `ctx.web` | [`web/`](../packages/web/README.md) | search/fetch provider registries | @@ -143,6 +144,7 @@ New behavior should attach to a documented extension point; changing the shipped | Add a model-facing capability | register a tool on `ctx.tools`; schemas flow into prompt assembly | | Add command execution | implement and register a `ctx.bash` backend | | Add filesystem access or policy | implement a `ctx.fs` provider or listen on `fs/*` policy events | +| Confine spawned processes | a `ctx.sandbox` backend; consumers wrap their argv before spawning | | Intercept prompts, requests, tool use, or continuation | listen on the relevant `agent/*` or `tools/*` waterfall | | Add a session-stable request prefix outside history | compose it on `agent/session-prefix`, once per loop instance; logged on the request header | | Add UI or editor integration | drive `ctx.agents` and render from `session/event` | diff --git a/docs/cookbook/extension-cookbook.md b/docs/cookbook/extension-cookbook.md index de21ece7b1..a773fee6e9 100644 --- a/docs/cookbook/extension-cookbook.md +++ b/docs/cookbook/extension-cookbook.md @@ -56,7 +56,7 @@ export function apply(ctx: Context) { A *client driver* is a UI plugin whose "user" is another program speaking a wire protocol rather than a human at a terminal. It owns the process's stdio (so it must run with **no stdout logger** — every non-protocol byte corrupts the stream), creates/resumes agents on demand through the `dsh-agent` factory seam, translates harness events (`session/event`, `agent/*`) into outbound protocol messages, and translates inbound requests back into `agent.send()` / `agent.cancel()`. Two harness-specific contracts make it correct: resolve each request exactly once off a settle signal (settle from the durable `turn/end` session event — the boundary is a session event, not an `agent/*` mirror — with `agent/status` as the fallback if a peer listener starved yours), and tear each agent down through its `AgentHandle.dispose()` (which stops the loop, `await`s its exit, and unregisters), not just `cancel()` — disposal must *reach* quiescence, not merely request it. -`packages/ui/acp` is the worked example: it bridges the agent to the Agent Client Protocol (JSON-RPC over stdio) so Zed and other ACP editors can drive it. See its README for the full method surface and the deferred-permission-gate note. +`packages/ui/acp` is the worked example: it bridges the agent to the Agent Client Protocol (JSON-RPC over stdio) so Zed and other ACP editors can drive it. See its README for the full method surface and the permission-prompt answerer it registers on the approval seam. ```ts import type { Context } from 'cordis' @@ -100,7 +100,7 @@ Every product feature maps to a listener on a documented extension seam — the | AGENTS.md (subdir, on-touch) + file-change notices | `agent.inject()` from a watcher / tool-result listener | | Built-in tools | `ctx.tools.register()`; schemas flow into the assembly automatically — the `dsh-tool-*` families (bash, fs, web, subagent, todo) are the shipped examples | | ToolSearch / progressive disclosure | filter tools at `system-prompt/assemble` (the assembly carries the schemas; the loop logs the result as the request header, so disclosure stays reconstructable) | -| Tool sandbox (landlock / sandbox-exec) | `tools/pre-execute` (deny), or a sandboxing `BashExecutor` on the `dsh-bash` seam | +| Subprocess sandbox (landlock / sandbox-exec) | `tools/pre-execute` (deny), or a sandboxing `BashExecutor` on the `dsh-bash` seam | | Permission system / AskUserQuestion | `tools/pre-execute` (deny/ask); register an ask tool | | Plan mode | `tools/pre-execute` (deny writes) + a mode prompt section via `ctx.systemPrompt.section()` or `agent.inject()` (model-visible ⟺ logged: `agent/request` shapes call config only) | | Sub-agent delegation | the `ctx.subagents` provider registry (`dsh-subagent-spawn`/`-fork`/`-acp`) + `dsh-tool-subagent` exposing one configured provider to the model | diff --git a/docs/core-data-structures/bash.md b/docs/core-data-structures/bash.md index 07b0307e2d..c131926741 100644 --- a/docs/core-data-structures/bash.md +++ b/docs/core-data-structures/bash.md @@ -197,7 +197,7 @@ interface BashSandboxInfo { } ``` -One more piece completes the vocabulary: the `SANDBOX_UNAVAILABLE` error code (owned by the sandbox seam) is what the `ctx.sandbox` provider throws — and the executor propagates — when a confined mode has no usable backend: sandboxed modes fail CLOSED instead of silently running unconfined. The model's view of the sandbox is result facts only: the static bash tool description explains the denial marker, and each run's `result.sandbox` carries the mode it executed under (no live-mode getter on the seam and no current-mode prompt statement — both arrive with the runtime-context phase of the RFC below). Denials are deny-only result facts today; the approval/escalated-retry flow on top of them is the [sandbox RFC](../rfc/proposed/feature/2026-07-06-sandbox.md). +One more piece completes the vocabulary: the `SANDBOX_UNAVAILABLE` error code (owned by the sandbox seam) is what the `ctx.sandbox` provider throws — and the executor propagates — when a confined mode has no usable backend: sandboxed modes fail CLOSED instead of silently running unconfined. The model's view of the sandbox is result facts only: the static bash tool description explains the denial marker, and each run's `result.sandbox` carries the mode it executed under (no live-mode getter on the seam and no current-mode prompt statement — both arrive with the runtime-context phase of the RFC below). Denials are deny-only result facts today; the approval/escalated-retry flow on top of them is the [sandbox RFC](../rfc/implemented/feature/2026-07-06-sandbox.md). ## Background tasks: `BashTask` diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index a5185aead5..2f9e569950 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -19,7 +19,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/status` | `emit` | [`packages/core/agent/src/types.ts:281`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:451`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | | `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:464`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:63`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | [`acp`](../packages/ui/acp), [`approval`](../packages/approval/approval) | +| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:64`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | [`acp`](../packages/ui/acp) | | `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:123`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:138`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:109`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index 557c3d669c..314ab82630 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -23,7 +23,7 @@ An approval question was put to the answerer chain — log-only audit (like `hoo Types: [CallId](core-data-structures/core.md) -Source: [`packages/approval/approval/src/index.ts:77`](../packages/approval/approval/src/index.ts) +Source: [`packages/approval/approval/src/index.ts:78`](../packages/approval/approval/src/index.ts) #### `approval/decided` — log-only @@ -33,7 +33,7 @@ The outcome of a prior `approval/asked` (same `id`) — log-only audit. Exactly 'approval/decided': { id: ApprovalRequestId; outcome: ApprovalOutcome } ``` -Source: [`packages/approval/approval/src/index.ts:88`](../packages/approval/approval/src/index.ts) +Source: [`packages/approval/approval/src/index.ts:89`](../packages/approval/approval/src/index.ts) #### `approval/policy` — log-only @@ -43,7 +43,7 @@ The session's approval policy was switched — log-only, durable, replayable, ne 'approval/policy': { policy: ApprovalPolicy } ``` -Source: [`packages/approval/approval/src/index.ts:100`](../packages/approval/approval/src/index.ts) +Source: [`packages/approval/approval/src/index.ts:101`](../packages/approval/approval/src/index.ts) ### `assistant/*` diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md index 409e8f42e4..9d1555e6ee 100644 --- a/docs/rfc/INDEX.md +++ b/docs/rfc/INDEX.md @@ -11,8 +11,6 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | [Agent Client Protocol (ACP) support — drive the coding agent from external editors](proposed/feature/2026-06-14-acp-agent-client-protocol.md) | 2026-06-14 | | [Multiplex concurrent ACP sessions over one connection](proposed/feature/2026-06-14-acp-multi-session.md) | 2026-06-14 | | [Pre-tool input rewrite — a consistent design](proposed/feature/2026-06-30-pre-tool-input-rewrite.md) | 2026-06-30 | -| [The approval seam — one-shot permission decisions over a waterfall of answerers](proposed/feature/2026-07-06-approval-seam.md) | 2026-07-06 | -| [The subprocess sandbox — confinement seam, native runners, escalation, and per-session modes](proposed/feature/2026-07-06-sandbox.md) | 2026-07-06 | | [Claude Code and Codex subagent backends (out-of-process delegation to external coding agents)](proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md) | 2026-07-07 | ### Simplification @@ -65,7 +63,9 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | [SessionStore fork API](implemented/feature/2026-06-30-session-store-fork-api.md) | 2026-06-30 | | [Subagent lifecycle enrichment — lastAssistantMessage (observe-only)](implemented/feature/2026-06-30-subagent-observe-enrich.md) | 2026-06-30 | | [Dynamic workflows — a script-driven multi-agent orchestration seam](implemented/feature/2026-07-05-dynamic-workflows.md) | 2026-07-05 | +| [The approval seam — one-shot permission decisions over a waterfall of answerers](implemented/feature/2026-07-06-approval-seam.md) | 2026-07-06 | | [Explicit model-facing tool order](implemented/feature/2026-07-06-explicit-tool-order.md) | 2026-07-06 | +| [The subprocess sandbox — confinement seam, native runners, escalation, and per-session modes](implemented/feature/2026-07-06-sandbox.md) | 2026-07-06 | | [The session prefix — request-only messages in front of the derived history](implemented/feature/2026-07-07-session-prefix.md) | 2026-07-07 | | [Repeat-tool-call guard plugin](implemented/feature/2026-07-08-repeat-tool-guard.md) | 2026-07-08 | | [The self-referential cordis toolset](implemented/feature/2026-07-08-self-referential-cordis-toolset.md) | 2026-07-08 | diff --git a/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md b/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md index 630d4dd3ed..fc3c8a9a93 100644 --- a/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md +++ b/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md @@ -53,7 +53,7 @@ Two different cwds, kept distinct on purpose. The hooks **themselves** run in th - **Tool-input rewrite.** A CC/Codex `updatedInput` is logged + warned, not honored — input rewrite is a deferred consistency-design problem ([the pre-tool-input-rewrite RFC](../../proposed/feature/2026-06-30-pre-tool-input-rewrite.md)), because the pre-execution args are read by `tool/call` audit + `assistant/message` history + ACP/tool-bash presentation, so an honest rewrite is a design unit, not a field. - **Stop loop-guard** (`TODO(stop-loop-guard)`). CC/Codex break an infinite force-continue with `stop_hook_active` (true once a Stop hook fired this run) plus a max-consecutive cap; both are deferred. Today `stop_hook_active` is always `false`, so a Stop hook that unconditionally blocks would force-continue every step — a hook author must self-limit until the guard lands. -- **Permission `ask`** degrades to `deny` at the `tools/pre-execute` seam (`FIXME(permissions)` in the interception-seams RFC) — there is no interactive permission prompt yet. +- **Permission `ask`** — deferred at landing, since serviced: the [approval seam](2026-07-06-approval-seam.md) resolves `ask` through `ctx.approval` (ACP prompts over `session/request_permission`), degrading to `deny` only where no approval service is composed. - **Hook `continue:false` (hard halt).** A hook can ask to halt the whole run (CC/Codex `continue:false`); the shared merge folds it into `MergedHookOutcome.stop`/`stopReason`, but no bridge acts on it (`TODO(hook-continue-false)`) — the interception seams have no "hard-halt the agent" primitive yet (a Decision blocks/steers a single point, not the run). Deferred with the loop-guard work; the halt request is recorded in the `hook/result` log, and the hook keeps its per-point effect (decision/context) meanwhile. - **Config discovery.** The path is explicit in `cordis.yml` and process-level (see above); the full multi-layer CC/Codex precedence walk, per-session project-local discovery, and the trust/hash model are not reimplemented (`TODO(per-session-hook-config)`). - **Session-start / subagent-start context is best-effort, not gated (`TODO(session-start-gating)`).** `agent/session-start` is a synchronous emit and the bridge runs its hook on a detached `.then`, so the injected `additionalContext` is not guaranteed to land before the first turn reaches the model — a slow hook can miss the first request (the context then arrives as a later injection). `subagent/start` is sharper: an in-process provider may have already queued the child's prompt before the listener runs, and a short-lived child can finish before the detached inject fires. Making startup context a gated/awaited primitive is a loop-level change deferred to the interception seams; today the contract is "injected as soon as the hook resolves", not "before the first request". The bridge tests do NOT wait on the injection where they assert the guaranteed-timing behavior, so they document the real (best-effort) timing rather than masking it. diff --git a/docs/rfc/implemented/feature/2026-06-30-interception-seams.md b/docs/rfc/implemented/feature/2026-06-30-interception-seams.md index 7795b044f6..5b2bb839b3 100644 --- a/docs/rfc/implemented/feature/2026-06-30-interception-seams.md +++ b/docs/rfc/implemented/feature/2026-06-30-interception-seams.md @@ -36,7 +36,7 @@ Add/​reshape the interception seams so every one returns a small, seam-specifi ### What this PR does NOT do -It does **not** declare `hook/*` SessionEvents (the durable hook-invocation log) — those belong to the `dsh-hook-protocol` library, because a native plugin can already use the typed Decisions without a durable hook log. A worked native-plugin example/test in this PR (`packages/core/agent-loop/tests/interception.spec.ts`) proves all the seams compose end-to-end through the REAL loop with NO `hook/*` involved — the concrete proof that "native hooks are just a plugin". Compaction (`PreCompact`/`PostCompact`), the Notification hook, Codex `PermissionRequest`, the permission/`ask` system, and the Stop loop-guard remain deferred (`FIXME(permissions)` marks the `ask`→deny degrade). +It does **not** declare `hook/*` SessionEvents (the durable hook-invocation log) — those belong to the `dsh-hook-protocol` library, because a native plugin can already use the typed Decisions without a durable hook log. A worked native-plugin example/test in this PR (`packages/core/agent-loop/tests/interception.spec.ts`) proves all the seams compose end-to-end through the REAL loop with NO `hook/*` involved — the concrete proof that "native hooks are just a plugin". Compaction (`PreCompact`/`PostCompact`), the Notification hook, Codex `PermissionRequest`, and the Stop loop-guard remain deferred; the permission/`ask` system has since landed as the [approval seam](2026-07-06-approval-seam.md), whose `ctx.approval` services the `ask` this PR shipped degraded to deny. ## Alternatives considered diff --git a/docs/rfc/proposed/feature/2026-07-06-approval-seam.md b/docs/rfc/implemented/feature/2026-07-06-approval-seam.md similarity index 70% rename from docs/rfc/proposed/feature/2026-07-06-approval-seam.md rename to docs/rfc/implemented/feature/2026-07-06-approval-seam.md index 321ae55190..a5f6efd2d1 100644 --- a/docs/rfc/proposed/feature/2026-07-06-approval-seam.md +++ b/docs/rfc/implemented/feature/2026-07-06-approval-seam.md @@ -1,6 +1,6 @@ # RFC: The approval seam — one-shot permission decisions over a waterfall of answerers -Status: proposed +Status: implemented ## Problem @@ -8,7 +8,7 @@ Two callers need to put one question — "may this specific action proceed?" — The routing problem is ownership: an approval prompt must reach the editor session that owns the asking agent (the ACP bridge multiplexes N sessions over one connection), fail closed for agents nobody owns (in-process subagents, tests), and stay out of deployments that compose no UI (headless, CI). -## Proposal +## Decision One package, `dsh-approval` (`packages/approval/approval`), owning the vocabulary and the `ctx.approval` service — the MECHANISM. The POLICY — who answers, and whether a session is asked at all — lives outside it: answerers are `approval/request` waterfall listeners registered by the plugins that own the channel (the ACP bridge; future terminal UIs; test scripts), and a per-session policy tier can decide before any human is involved. Consumers (`dsh-tools`' ask routing, the sandbox escalation gate) resolve a question to a closed outcome and derive their own tool results from it. Deliberately ONE package, not the capability-seam three (see Alternatives). @@ -23,11 +23,11 @@ One `cordis.yml` entry mounts the seam; not loading it is the opt-out — consum # policy: never # deployment default for sessions without an override; 'ask' when omitted ``` -The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-agent`, as in `examples/sandbox-acp-agent`, the composition staged to land with this design's implementation) completes the loop: its bridge registers an answerer that prompts the owning editor session via `session/request_permission`, so a hook's `ask` or an escalation request surfaces as a one-shot Allow/Reject prompt attached to the already-streamed tool call. `policy: never` is the unattended stance — every ask auto-rejects deterministically, stated in the system prompt, no human in the loop. `policy` is validated against the closed list at plugin load; anything else throws. +The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-agent`, as in [the sandbox example](../../../../examples/sandbox-acp-agent/README.md)) completes the loop: its bridge registers an answerer that prompts the owning editor session via `session/request_permission`, so a hook's `ask` or an escalation request surfaces as a one-shot Allow/Reject prompt attached to the already-streamed tool call. `policy: never` is the unattended stance — every ask auto-rejects deterministically, stated in the system prompt, no human in the loop. `policy` is validated against the closed list at plugin load; anything else throws. What a composed deployment observes: `allowed-once` lets exactly that call proceed; rejection, dismissal, and channel absence deny with three distinct reasons the model can tell apart; every ask lands a durable `approval/asked`/`approval/decided` pair on the asking agent's session log; nothing about a grant persists past the call that asked. -One ask under this composition — the model requests a sandbox escalation, the gate asks, the bridge prompts the owning editor, the user clicks Allow once. This is the arc the implementation's `escalation-approved` snapshot scenario is to record verbatim: +One ask under this composition, verbatim from the sandbox example's recorded `escalation-approved` scenario — the model requests a sandbox escalation, the gate asks, the bridge prompts the owning editor, the user clicks Allow once: ``` tool/call bash {"command": "printf 'escalated\n' > escalated.txt && cat escalated.txt", @@ -43,13 +43,13 @@ approval/decided {"outcome": "allowed-once"} tool/result "escalated" — this one call ran under the wider mode; the grant died with it ``` -Its `escalation-rejected` twin is to end in `{"outcome": "rejected"}` instead: nothing executes, and the model's result carries the asker's verbatim fail-closed text (`the user rejected escalating this command to "workspace-write"`). A hook's `permissionDecision: ask` rides the identical wire; only the asker and its deny texts differ (§ Ask routing in dsh-tools). Headless, the same request skips the prompt entirely and settles `unavailable`. +The `escalation-rejected` twin ends in `{"outcome": "rejected"}` instead: nothing executes, and the model's result carries the asker's verbatim fail-closed text (`the user rejected escalating this command to "workspace-write"`). A hook's `permissionDecision: ask` rides the identical wire; only the asker and its deny texts differ (§ Ask routing in dsh-tools). Headless, the same request skips the prompt entirely and settles `unavailable`. ### Design detail #### The seam: mechanism and policy split -`ApprovalService.request(req)` always resolves to a closed `ApprovalOutcome` — `allowed-once` / `rejected` / `cancelled` / `unavailable` — and never rejects. The service is the mechanism: it dispatches the `approval/request` waterfall, races the request's `AbortSignal` (abort settles `cancelled`; a late answer is discarded, never double-audited), contains a throwing answerer as `unavailable`, normalizes a rogue non-vocabulary return to `unavailable`, and lands the log-only audit pair `approval/asked`/`approval/decided` (paired by the branded `ApprovalRequestId`) on the requesting agent's session log. Grants are one-shot by definition: `allowed-once` authorizes the single asked-about action, never a class of future ones, and the service stores nothing between requests. +`ApprovalService.request(req)` always resolves to a closed `ApprovalOutcome` — `allowed-once` / `rejected` / `cancelled` / `unavailable` — and never rejects. The service is the mechanism: it dispatches the `approval/request` waterfall, races the request's `AbortSignal` (abort settles `cancelled`; a late answer is discarded, never double-audited), contains a throwing answerer as `unavailable`, normalizes a rogue non-vocabulary return to `unavailable`, and lands the log-only audit pair `approval/asked`/`approval/decided` (paired by the branded `ApprovalRequestId`) on the requesting agent's session log. Grants are one-shot by definition: `allowed-once` authorizes the single asked-about action, never a class of future ones, and the service stores nothing between requests. The one precondition: `request()` throws (before appending anything) when the agent's session has no open turn — the audit pair must be turn-enclosed, the turn being the durable log's commit/replay boundary (a bare event between turns is dropped as crash tail on reload); every shipped ask path runs mid-turn already, and idle asks are a deferred design. Answerers are the policy, and they are `approval/request` waterfall listeners. The waterfall buys exactly what the seam needs: with zero listeners the dispatch falls through to the caller-supplied default — `unavailable`, so fail-closed needs no configuration and no code in any deployment; a listener that recognizes the request's agent answers by returning an outcome without calling `next()` (the decision slot is single-occupancy, first answer wins — the same documented semantics as the `fs/write-intent` gate); a listener that does not recognize the agent MUST delegate via `next()` so another answerer or the default gets the question; and listeners dispose with their owning fiber, so an unloaded UI plugin degrades the next ask to `unavailable` instead of leaving a dangling channel. Registration order across sibling plugins is not load-order deterministic (the loader starts siblings concurrently), so a deployment composes ONE terminal answerer and reserves `prepend` listeners for decide-or-delegate gates. @@ -67,7 +67,7 @@ The seam also owns the session-scoped approval policy — the approval knob of t The bridge registers the first real answerer: it resolves the owning session through its existing `WeakMap` reverse map, issues `session/request_permission` with the request's `callId` as the `toolCall` reference and the one-shot options `allow_once`/`reject_once`, and maps the response — selected `allow-once` → `allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled` → `cancelled`. A request for a foreign agent — or one without a `callId`, since the protocol prompt must attach to a tool call — delegates via `next()`. A rejected RPC (client gone mid-prompt) propagates to the service, which contains it as `unavailable`. Whether a call ASKS at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment. -The reverse-map ownership seam [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md) laid down is exactly what the answerer routes through, and per-session permission ownership (the blocker recorded in [the multi-session RFC](2026-06-14-acp-multi-session.md)) is what it implements. +The reverse-map ownership seam [the ACP support RFC](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md) laid down is exactly what the answerer routes through, and per-session permission ownership (the blocker recorded in [the multi-session RFC](../../proposed/feature/2026-06-14-acp-multi-session.md)) is what it implements. #### Audit, and what the model sees @@ -75,33 +75,41 @@ The reverse-map ownership seam [the ACP support RFC](2026-06-14-acp-agent-client #### Entities and dependencies -One new package, no cycles: `dsh-approval` peers on `cordis`, `dsh-session` (event-map merge + append), `dsh-agent` (the `Agent` type), `dsh-llm` (`CallId`, via `dsh-brand`). `dsh-tools` and `dsh-acp` each gain a peer edge onto it; the escalation phase's asker lives in `dsh-tool-bash` (see [the sandbox RFC](2026-07-06-sandbox.md) § Escalation), so the sandbox family keeps its ZERO-edge relation (the executor contributes the per-call override mechanism, and transport seams never ask humans questions). The seam is one package, not the capability-seam three: the service body (dispatch + audit) has no replaceable implementation — the replaceable part is the answerer listeners, and those live with their owners (the bridge; future terminal UIs; test scripts). `@cordisjs/plugin-capability` stays orthogonal (a static grant registry answers "is this already authorized", not "ask the user now"), and `subagent-acp`'s child-side `permission` auto-answer is untouched — routing a child's approvals to the parent session remains an explicit future design. +One package, no cycles: `dsh-approval` peers on `cordis`, `dsh-session` (event-map merge + append), `dsh-agent` (the `Agent` type), `dsh-llm` (`CallId`, via `dsh-brand`). `dsh-tools` and `dsh-acp` each peer on it; the escalation phase's asker lives in `dsh-tool-bash` (see [the sandbox RFC](2026-07-06-sandbox.md) § Escalation), so the sandbox family keeps its ZERO-edge relation (the executor contributes the per-call override mechanism, and transport seams never ask humans questions). The seam is one package, not the capability-seam three: the service body (dispatch + audit) has no replaceable implementation — the replaceable part is the answerer listeners, and those live with their owners (the bridge; future terminal UIs; test scripts). `@cordisjs/plugin-capability` stays orthogonal (a static grant registry answers "is this already authorized", not "ask the user now"), and `subagent-acp`'s child-side `permission` auto-answer is untouched — routing a child's approvals to the parent session is deferred (§ Deferred). ### Testing -Coverage named at plan time, per tier ([testing policy](../../../testing.md)). Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. +Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. -Snapshot tier, landing with the staged example: the harness gains scripted permission answers (`permissionAnswers` in a scenario's `input.json`, consumed FIFO; an unscripted prompt answers `cancelled`, fail closed), and the seam's wire gets recorded end to end in that example's suite — both escalation branches driving `session/request_permission` through this seam over scripted answers (grant and rejection), and a recorded `mode-switching` scenario pinning the `'never'` prompt sentence and the policy-switch notice ([the sandbox RFC](2026-07-06-sandbox.md) § Testing). A hook-driven recorded `ask` (extending the hook matrix's `hook-cc-pretool-ask` with a mounted ApprovalService) remains undone; its deny texts are pinned verbatim at the unit tier. +Snapshot tier: the harness accepts scripted permission answers (`permissionAnswers` in a scenario's `input.json`, consumed FIFO; an unscripted prompt answers `cancelled`, fail closed). The seam's wire is recorded end to end in the sandbox example's suite: both escalation branches drive `session/request_permission` through this seam over scripted answers (grant and rejection), and the recorded `mode-switching` scenario pins the `'never'` prompt sentence and the policy-switch notice ([the sandbox RFC](2026-07-06-sandbox.md) § Testing). + +## Deferred + +- **`allow_always` grant storage** — honoring a persistent grant means designing storage, scope identity (call? path? prefix? session? time window?), and revocation; until designed, only the one-shot options are advertised ([the sandbox RFC](2026-07-06-sandbox.md) § Escalation records the open scope question). +- **A recorded hook-driven `ask` scenario** — the wire is recorded via the sandbox example's escalation branches; the hook-producer variant stays on the unit tier and the hook matrix's `hook-cc-pretool-ask`, with its deny texts pinned verbatim there. +- **Routing a child agent's approvals to the parent session** — `subagent-acp`'s child today auto-answers its own `permission` requests; surfacing them to the parent's editor is its own design. ## Alternatives considered - **A single registered provider instead of waterfall listeners** — rejected: a `registerProvider()` surface forces every composition question — allowlist pre-filters, external hook deciders, scripted test answers, a policy gate in front of a human — inside one provider implementation. The waterfall gets composition, fail-closed absence, and HMR disposal from machinery the runtime already has; the seam's JSDoc pins the single-decision-slot convention instead of inventing a provider registry. -- **[The ACP support RFC](2026-06-14-acp-agent-client-protocol.md)'s inline `tools/pre-execute` permission gate** — rejected, and superseded by this seam: prompting for every bridge-owned call hardwires the asking POLICY into the UI plugin, cannot serve a second asker (sandbox escalation happens after execution starts, with no pre-execute moment), and leaves hooks' `ask` — the vocabulary the interception seams already ship — unserviced. -- **A generic user-interaction seam (`ctx.userInteraction`) instead** — rejected: the two share a skeleton (route by agent, block for a human, handle absence), but approval's contract is narrower in every dimension that matters: a closed outcome vocabulary instead of free text, a protocol-native prompt attached to a tool call instead of a generic form, mandatory fail-closed absence, and audit events. If a generic seam lands later, sharing provider plumbing can be evaluated then. +- **[The ACP support RFC](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md)'s inline `tools/pre-execute` permission gate** — rejected, and superseded by this seam: prompting for every bridge-owned call hardwires the asking POLICY into the UI plugin, cannot serve a second asker (sandbox escalation happens after execution starts, with no pre-execute moment), and leaves hooks' `ask` — the vocabulary the interception seams already ship — unserviced. +- **A generic user-interaction seam (`ctx.userInteraction`) instead** — rejected: the two share a skeleton (route by agent, block for a human, handle absence), but approval's contract is narrower in every dimension that matters: a closed outcome vocabulary instead of free text, a protocol-native prompt attached to a tool call instead of a generic form, mandatory fail-closed absence, and audit events. The generic seam has since shipped (`packages/ui/user-interaction`, the `ask_user_question` tool over ACP elicitation) and approval deliberately still does not ride it — an elicitation form is not a permission prompt, and a free-text answer is not a closed outcome; sharing provider plumbing stays open if the two ever converge. - **Static optional injection in `dsh-tools`** — rejected: the vendored cordis `Inject` type has no optional flag — the object form maps service names to intercept config, and a declared inject gates the fiber. `ctx.get('approval')` is the documented opportunistic-consumption pattern (the `tool-bash` owner-token lookup, the loop's persistence probe), reads presence per call, and degrades correctly across HMR without extra machinery. - **The capability-seam three-package split** — rejected: interface/implementation/consumer fits a seam whose implementation is swappable (bash-local vs bash-sandbox). Here the service body is fixed mechanism and the variable part is listeners that live with their owners — splitting would manufacture an implementation package with nothing in it ("don't split preemptively"). -- **Offering `allow_always` now** — rejected: the protocol can express it, but honoring it means designing grant storage, scope identity (call? path? prefix? session? time window?), and revocation. Advertising an option the harness cannot honor manufactures doomed grants; it stays an open question in the sandbox RFC. +- **Offering `allow_always` now** — rejected: the protocol can express it, but honoring it means designing grant storage, scope identity, and revocation (§ Deferred). Advertising an option the harness cannot honor manufactures doomed grants. -## Acceptance criteria +## Consequences + +What shipped pins — the suites in Testing hold each: - With an ApprovalService and an answerer composed, a hook's `ask` reaches a human and `allowed-once` dispatches the tool; every other outcome denies with its distinct reason. -- A `'never'` session auto-rejects every ask without prompting anyone, states the policy in its prompt, and narrates switches (the shared switching mechanics are [the sandbox RFC](2026-07-06-sandbox.md)'s acceptance criteria). +- A `'never'` session auto-rejects every ask without prompting anyone, states the policy in its prompt, and narrates switches (the shared switching mechanics are pinned in [the sandbox RFC](2026-07-06-sandbox.md)). - Every unanswerable path fails closed to `unavailable`: no service (degrade, verbatim historical text), no listener, a foreign or agent-less request, a throwing answerer, a rogue return value, a dead client connection. - Every `request()` lands exactly one `approval/asked`/`approval/decided` pair on the asking agent's log, replayable, invisible to the model transcript. - Prompts route per-session through the bridge's ownership map; one session's prompt can never reach another session's editor. - A deployment that composes nothing new behaves byte-identically (the snapshot suite's goldens are unchanged). -## Risks +Costs and accepted limits: - **Two decide-eager answerers race for the slot.** Sibling-plugin listener order is not deterministic, so the seam cannot referee competing terminal answerers — mitigated by convention (one terminal answerer per deployment; `prepend` only for decide-or-delegate gates) rather than a priority mechanism the event bus does not have. - **Production exercise rests on one composition.** `ask` has two producer families — the hook bridges through `tools/pre-execute`, and sandbox escalation through its own gate — with the wire recorded in the sandbox example's snapshot suite, so the seam's real-world coverage is that one composition until more deployments compose it. @@ -112,12 +120,12 @@ Snapshot tier, landing with the staged example: the harness gains scripted permi Behavioral and usage questions only — every "why not X?" design question lives in [Alternatives considered](#alternatives-considered), whose job is exactly that. - **What happens in a deployment with no answerer at all (headless, CI)?** Every ask falls through the empty waterfall to `unavailable` and the tool call denies with the "no approval channel is available" reason. Fail-closed is the zero-listener default, not a configuration. -- **Can a grant persist — "always allow this"?** No. `allowed-once` authorizes the single asked-about action and the service stores nothing between requests; `allow_always` is deliberately not advertised until grant storage is designed. +- **Can a grant persist — "always allow this"?** No. `allowed-once` authorizes the single asked-about action and the service stores nothing between requests; `allow_always` is deliberately not advertised until grant storage is designed (§ Deferred). - **What does the model see of an approval?** Only the tool result the asker derives from the outcome — the audit pair never enters the transcript. The three non-grant reasons are distinct, so the model can tell a human "no" from a dismissed prompt from a missing channel. - **Who decides whether a call asks in the first place?** Policy producers: a hook returning `permissionDecision: ask`, any `tools/pre-execute` listener, or the sandbox escalation gate. The seam and the bridge only route and answer; neither injects its own judgment about what deserves a prompt. - **What happens when the user dismisses the prompt, or the turn aborts mid-ask?** Dismissal maps to `cancelled` with its own deny text. An already-aborted signal settles `cancelled` without dispatching; an abort during the ask discards the late answer — one audit pair either way, never two. - **What if the client answers with an option the harness never offered?** Any selection other than the offered `allow_once` maps to `rejected` — an unknown optionId from a non-conforming client can never grant. -- **How do subagents' approvals route?** An agent no answerer owns delegates through the whole waterfall and fails closed — in-process subagents are unanswerable today by design. `subagent-acp`'s child-side auto-answer is untouched; routing a child's asks to the parent's editor is an explicit future design. +- **How do subagents' approvals route?** An agent no answerer owns delegates through the whole waterfall and fails closed — in-process subagents are unanswerable today by design. `subagent-acp`'s child-side auto-answer is untouched; routing a child's asks to the parent's editor is deferred (§ Deferred). - **What does `policy: 'never'` actually change at runtime?** The service resolves every ask for that session to `rejected` before dispatching any answerer (in-service, so no registration order can bypass it); the system prompt states the policy; switches are narrated at boundaries; the audit pair still lands for every auto-rejection. - **What happens across a hot reload, or when the UI plugin unloads mid-session?** Answerers dispose with their owning fiber, so the next ask degrades to `unavailable` instead of hanging on a dead channel; remounting re-registers the answerer with no catch-up state. - **Where does the user see what they are approving?** On the tool call itself: the prompt attaches to the already-streamed call via `callId` — arguments included — and adds the asker's human-readable `reason`; the request carries no argument copy of its own. @@ -127,7 +135,7 @@ Behavioral and usage questions only — every "why not X?" design question lives In-repo precedents this design copies or contrasts with: - The `fs/write-intent` gate (`packages/fs/fs/`) — the documented single-occupancy decision-slot waterfall semantics (first answer wins, delegate via `next()`) the answerer contract reuses. -- `hook/invoked`/`hook/result` — the log-only audit-pair precedent `approval/asked`/`approval/decided` follows; [the hook-bridges RFC](../../implemented/feature/2026-06-30-hook-bridges.md) ships `permissionDecision: ask`, the first producer. -- [The interception-seams RFC](../../implemented/feature/2026-06-30-interception-seams.md) — the `tools/pre-execute` `allow`/`deny`/`ask` vocabulary whose `ask` this seam services. -- [The ACP support RFC](2026-06-14-acp-agent-client-protocol.md) — the `WeakMap` ownership seam the answerer routes through; [the multi-session RFC](2026-06-14-acp-multi-session.md) — the per-session permission-ownership blocker this implements. +- `hook/invoked`/`hook/result` — the log-only audit-pair precedent `approval/asked`/`approval/decided` follows; [the hook-bridges RFC](2026-06-30-hook-bridges.md) ships `permissionDecision: ask`, the first producer. +- [The interception-seams RFC](2026-06-30-interception-seams.md) — the `tools/pre-execute` `allow`/`deny`/`ask` vocabulary whose `ask` this seam services. +- [The ACP support RFC](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md) — the `WeakMap` ownership seam the answerer routes through; [the multi-session RFC](../../proposed/feature/2026-06-14-acp-multi-session.md) — the per-session permission-ownership blocker this implements. - The opportunistic `ctx.get()` consumption pattern (`tool-bash`'s owner-token lookup, the loop's persistence probe) — how `dsh-tools` consumes the seam without gating its fiber on it. diff --git a/docs/rfc/proposed/feature/2026-07-06-sandbox.md b/docs/rfc/implemented/feature/2026-07-06-sandbox.md similarity index 85% rename from docs/rfc/proposed/feature/2026-07-06-sandbox.md rename to docs/rfc/implemented/feature/2026-07-06-sandbox.md index 444f93502f..b9678e866e 100644 --- a/docs/rfc/proposed/feature/2026-07-06-sandbox.md +++ b/docs/rfc/implemented/feature/2026-07-06-sandbox.md @@ -1,6 +1,6 @@ # RFC: The subprocess sandbox — confinement seam, native runners, escalation, and per-session modes -Status: proposed +Status: implemented ## Problem @@ -10,13 +10,13 @@ The harness is an SDK, so confinement must be a capability developers COMPOSE: w Confinement alone leaves two gaps. A denial with no escalation path is terminal — the model can only give up, which pressure-cooks operators into configuring `workspace-write` or `danger-full-access` globally and defeats the sandbox. And the model-visible knobs (the sandbox mode, the approval policy) change over an agent's lifetime — an ACP user flips a per-session setting, an operator edits `cordis.yml` while the process is down — while the model must never act on a stale belief about them: what IS the state on every request, what changed while the agent lives, and what changed while nobody was watching all need answers. -## Proposal +## Decision One seam, one per-platform chain of local backends, one consumer, and two levers on top: a per-call escalation path and per-session runtime modes. Everything below composes from the leaf `cordis.yml`; nothing touches `agent-loop`. The scope is deliberately bounded: the phases this RFC names but does not design — per-session workspace root, cross-family fs enforcement, the `subagent-acp` consumer, more environments, a Windows chain — are listed under § Deferred phases, each a follow-up design, not a config knob. ### How a deployment uses it -Three `cordis.yml` entries turn an unconfined coding agent into the sandboxed product path; `examples/sandbox-acp-agent`, the composition staged to land with this design's implementation, is exactly this tree: +Three `cordis.yml` entries turn an unconfined coding agent into the sandboxed product path; [`examples/sandbox-acp-agent`](../../../../examples/sandbox-acp-agent/README.md) is this composition, live: ```yaml - id: sandbox @@ -35,7 +35,8 @@ The swap is invisible to every consumer of `ctx.bash`: the bash tools, hook comm Misconfiguration fails loud: `mode` outside the closed vocabulary is rejected at plugin load, and a host with no usable backend throws the structured `SANDBOX_UNAVAILABLE` — at `confine()` before the command ever spawns — rather than degrading to unconfined execution. `runnerCommand` on `dsh-sandbox-local` is the operator's explicit assertion of a bwrap-compatible runner (chain and probes skipped); it doubles as the deterministic fake-runner seam for keyless tests. What the model then experiences: denied file effects come back as result facts with a `[sandbox: file access denied under mode]` marker plus standing instructions not to retry around them; under a confining executor the schema offers `sandbox_permissions` + `justification` for the one-approval escalated retry (validated strictly wider than the session's effective mode at execution); the system prompt deliberately does NOT state the sandbox mode — the model learns the boundary from the marker (which names the mode) when it hits it, instead of preemptively refusing work a standing declaration discourages. What an ACP editor experiences: a `sandbox-mode` and an `approval-policy` config-option select per session (each advertised only when its knob is composable), switchable at runtime; a sandbox switch simply changes what subsequent commands may do, while an approval-policy switch to `'never'` is stated in the prompt and narrated. -The product path, concretely (the escalation arc is what the staged `escalation-approved` snapshot scenario is to record verbatim; the denial leg lands on the real-kernel e2e tier): + +The product path, concretely (the escalation arc is verbatim from the recorded `escalation-approved` scenario; the denial leg is pinned on the real-kernel e2e tier): ``` tool/result … [sandbox: file access denied under read-only mode] ← the write RAN; the kernel refused it @@ -52,9 +53,9 @@ Reject instead and nothing executes: the result is the verbatim `the user reject #### Grounding — verified against the code -- Runtime OS subprocesses exist at exactly two sites: the `ctx.bash` seam's single spawn (`packages/bash/bash-local/src/run.ts`; hook commands flow through `ctx.bash`, so bash confinement covers them transitively) and `subagent-acp`'s child agents (`packages/subagent/subagent-acp/src/run.ts`) — the second consumer that makes a shared seam due rather than preemptive under the [capability seams RFC](../../implemented/architecture/2026-06-13-capability-seams.md)'s "don't split preemptively" rule. +- Runtime OS subprocesses exist at exactly two sites: the `ctx.bash` seam's single spawn (`packages/bash/bash-local/src/run.ts`; hook commands flow through `ctx.bash`, so bash confinement covers them transitively) and `subagent-acp`'s child agents (`packages/subagent/subagent-acp/src/run.ts`) — the second consumer that makes a shared seam due rather than preemptive under the [capability seams RFC](../architecture/2026-06-13-capability-seams.md)'s "don't split preemptively" rule. - Everything else executes inside the harness process (fs is in-process `node:fs`, web is in-process `fetch`, every `ToolDefinition.execute()` closes over `ctx`): an OS sandbox wraps `execve` and cannot wrap an in-process function call, so "sandbox any tool" is policy at each tool's seam, never a mechanical transport change. -- `tools/pre-execute` (`allow`/`deny`/`ask`) exists; `ask` degrades to deny today, and [the approval seam proposal](2026-07-06-approval-seam.md) is staged to service it. The fs intent gates are version guards with no mode input yet. +- `tools/pre-execute` (`allow`/`deny`/`ask`) exists, with `ask` serviced by [the approval seam](2026-07-06-approval-seam.md); the fs intent gates are version guards with no mode input yet. - `dsh-bash`'s request/spec split (`BashExecRequest` → `resolve()` → `BashExecSpec`) carries per-call fields the way escalation needs — `owner` is the template: request-optional, spec required-but-nullable, carried verbatim — and the result types already speak `SandboxMode`, so a per-call policy field adds no dependency edge. - The pinned-header snapshot design means a schema/description change churns at most one pinning fixture per suite, and the escalation fields are advertised only under a sandboxing executor — so they live in exactly one pinned header, the sandbox example suite's `mode-switching` fixture. @@ -86,13 +87,13 @@ The model's view is result facts only: the static tool description explains the #### Escalation: one approved wider retry after a denial -The seam level is mechanism only. `BashExecRequest` gains `sandboxMode?: SandboxMode`, an explicit per-call policy input; `BashExecSpec` carries it required-but-nullable (the `owner` pattern: a forgotten field is a visible `undefined`, and `resolve()` is the one explicit defaulting step); `BashExecutor` gains the capability fact `get sandboxMode(): SandboxMode | undefined` — `undefined` in the base class, the configured mode in `SandboxBashExecutor` — so the tool layer can advertise only what the mounted executor honors: composition truth, not configuration. The seam honors ANY explicit mode, including a narrower one; the wider-only ladder is escalation policy and lives in the tool. A non-sandboxing executor (`dsh-bash-local`) carries the field verbatim and confines nothing — the field reaching it means the caller bypassed the tool's gate, and its honest behavior stays unconfined execution, not a guess at enforcement it does not have. +The seam level is mechanism only. `BashExecRequest` carries `sandboxMode?: SandboxMode`, an explicit per-call policy input; `BashExecSpec` carries it required-but-nullable (the `owner` pattern: a forgotten field is a visible `undefined`, and `resolve()` is the one explicit defaulting step); `BashExecutor` exposes the capability fact `get sandboxMode(): SandboxMode | undefined` — `undefined` in the base class, the configured mode in `SandboxBashExecutor` — so the tool layer can advertise only what the mounted executor honors: composition truth, not configuration. The seam honors ANY explicit mode, including a narrower one; the wider-only ladder is escalation policy and lives in the tool. A non-sandboxing executor (`dsh-bash-local`) carries the field verbatim and confines nothing — the field reaching it means the caller bypassed the tool's gate, and its honest behavior stays unconfined execution, not a guess at enforcement it does not have. `SandboxBashExecutor.resolve()` stamps the effective mode — escalation grant > session override > configured default — so `run()`/`start()` read the spec, never the config. The `danger-full-access` branch, the confine call, and the result facts all key off the spec's mode, and the per-task facts map carries each task's mode alongside its wrap facts (`notifyTaskDone()` stamps from the map entry): one escalated call — foreground or background — reports the mode it ACTUALLY ran under while every neighbor keeps its own. The tool gate advertises two extra parameters exactly when `ctx.bash.sandboxMode` reports a confining mode at registration: `sandbox_permissions`, an enum of the closed escalation-target vocabulary — `workspace-write`/`danger-full-access`, every mode a session could ever escalate TO — and `justification`, required together with it. The enum is deliberately NOT cut down to the modes wider than the executor's DEFAULT: schemas are registry-global while the effective mode is per-session and switchable, so a default-relative ladder strands a session overridden NARROWER than the default (with a `danger-full-access` default and a `read-only` override it would advertise nothing at all — confined, but with no lever). Strict widening is instead enforced at EXECUTION against the call's effective mode (session override ?? executor default): a request that is not strictly wider fails closed with its own text and prompts no one. An escalating call resolves approval BEFORE anything executes — no `ctx.approval` composed, or no agent on the execution, fails closed with its own text; otherwise `ctx.approval.request({ agent, toolName: 'bash', callId, reason, signal })` with the audit-self-contained reason `escalate sandbox to ${mode}: ${justification}`, while the UI attaches the prompt to the already-streamed call (the command is visible there; the approval RFC's no-arguments rule holds). The four outcomes map to distinct results: `allowed-once` stamps `sandboxMode` onto the bash request and proceeds; `rejected`, `cancelled`, and `unavailable` each produce their own error text, so the model can tell a human "no" from a dismissed prompt from a missing channel. The grant is consumed by the very call that asked; nothing is stored. -The tool description teaches — and a denied result itself prompts — the SAME-TURN flow when the fields exist: on a denial a wider mode would cure, escalate immediately in that turn by retrying the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification`, without detouring through chat to ask first — the approval prompt raised by the retry IS how the user consents. Never preemptively; a rejected escalation is final for that command. "Only after a real denial" is deliberately model discipline plus human judgment, not harness bookkeeping — the human sees the exact command and justification on the prompt (see Alternatives for why hard-matching is rejected). No new session events anywhere: the attempt is an ordinary `tool/call` whose logged arguments carry the two fields, the decision is the approval seam's `approval/asked`/`approval/decided` pair, the outcome is an ordinary `tool/result` whose sandbox facts name the mode it ran under. The asker lives in `dsh-tool-bash`, NOT the executor: a transport seam has no `agent`, no `callId`, and no business asking humans questions. +The tool description teaches — and a denied result itself prompts — the SAME-TURN flow when the fields exist: on a denial a wider mode would cure, escalate immediately in that turn by retrying the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification`, without detouring through chat to ask first — the approval prompt raised by the retry IS how the user consents. Never speculatively: an escalation is grounded in a real denial — normally the one the command just hit, up front only when the session already denied the same access — and a prompt stating approvals are disabled turns the exception off entirely; a rejected escalation is final for that command. Denial-grounding is deliberately model discipline plus human judgment, not harness bookkeeping — the human sees the exact command and justification on the prompt (see Alternatives for why hard-matching is rejected). No new session events anywhere: the attempt is an ordinary `tool/call` whose logged arguments carry the two fields, the decision is the approval seam's `approval/asked`/`approval/decided` pair, the outcome is an ordinary `tool/result` whose sandbox facts name the mode it ran under. The asker lives in `dsh-tool-bash`, NOT the executor: a transport seam has no `agent`, no `callId`, and no business asking humans questions. Left open, recorded for the phase that picks them up: what a grant's scope identity is beyond the sandbox mode — the exact call, a path, a command prefix, the session, a time window — the question `allow_always` grant storage must answer before that option can be advertised; how cancellation behaves while an approval prompt is pending; and how escalation is defined for `run_in_background` denials that arrive via `bash_output`. @@ -115,7 +116,7 @@ interface SessionEventMap { Each owner exports the same three-piece kit: the event declaration, a pure fold (`effectiveSandboxMode(events)` / `effectiveApprovalPolicy(events)` — a `findLast`, typed to the domain's closed union), and THE write path (`setSandboxMode(session, mode)` / `setApprovalPolicy(session, policy)` — a switch IS its event; nothing mutates state out of band). No shared owner service, no generic facts map, no registry: a third knob copies the ~40-line pattern into its own package. Execution follows the fold on both sides — the bash tool's per-call stamp reads it as the middle rung of the § Escalation precedence chain, and the approval seam's `'never'` gate is [the approval RFC](2026-07-06-approval-seam.md)'s side of the same pattern. -**Visibility is deliberately asymmetric between the knobs.** The SANDBOX mode is stated nowhere and its switches are not narrated: a standing "you are read-only" declaration teaches the model to refuse preemptively (observed in manual sessions: turns where the model would not even attempt a write it could have escalated), while the denial marker already names the mode the command ran under at exactly the moment the boundary matters — behavior, not belief, carries the state, and a switch simply changes what the next command does. The APPROVAL policy keeps both layers, because its failure mode is the opposite: an auto-rejected ask under `'never'` returns "the user rejected …" wording no behavior can disambiguate, so the prompt states `'never'` (and ONLY `'never'` — an `'ask'` promise is unknowable without asking, and absence under a logged header is how the narrator reads `'ask'` back), and an `agent/pre-step` narrator injects at most one coalesced notice per policy switch: idle flip-flops collapse to one notice at the next turn's first step, a net-zero round trip to none, and a mid-turn change is narrated no later than the next step. Its "last told" is in-memory with a log-derived fallback (the folded header's system text parsed against the closed candidate sentence; LAST occurrence wins, so a persona quoting it cannot shadow the real section), so restarts lose nothing; attribution is positional (a knob event after the log's last `request/header*` reads `changed by the user`, a drift with no such event reads `changed by the operator/config`). +**Visibility is deliberately asymmetric between the knobs.** The SANDBOX mode is stated nowhere and its switches are not narrated: a standing "you are read-only" declaration teaches the model to refuse preemptively (observed live: sessions where the model would not even attempt a write it could have escalated), while the denial marker already names the mode the command ran under at exactly the moment the boundary matters — behavior, not belief, carries the state, and a switch simply changes what the next command does. The APPROVAL policy keeps both layers, because its failure mode is the opposite: an auto-rejected ask under `'never'` returns "the user rejected …" wording no behavior can disambiguate, so the prompt states `'never'` (and ONLY `'never'` — an `'ask'` promise is unknowable without asking, and absence under a logged header is how the narrator reads `'ask'` back), and an `agent/pre-step` narrator injects at most one coalesced notice per policy switch: idle flip-flops collapse to one notice at the next turn's first step, a net-zero round trip to none, and a mid-turn change is narrated no later than the next step. Its "last told" is in-memory with a log-derived fallback (the folded header's system text parsed against the closed candidate sentence; LAST occurrence wins, so a persona quoting it cannot shadow the real section), so restarts lose nothing; attribution is positional (a knob event after the log's last `request/header*` reads `changed by the user`, a drift with no such event reads `changed by the operator/config`). **The editor surface** is protocol-native [Session Config Options](https://agentclientprotocol.com/protocol/session-config-options) — the spec's replacement for session modes (slated for removal in ACP v2), already SDK-typed. The bridge advertises one independent `select` per composable knob — `sandbox-mode` (category `mode`) iff the mounted executor confines, `approval-policy` iff the approval seam is composed — with `currentValue` folded from each session's own log, in `session/new` and `session/load` responses. `session/set_config_option` validates against the same closed lists, routes to the domain setter, and returns the complete refreshed state (the spec contract). @@ -125,9 +126,16 @@ Each owner exports the same three-piece kit: the event declaration, a pure fold fs/web/todo execute in-process, so their sandbox semantics are policy at their seams: the fs intent gates deciding by the shared mode vocabulary (§ Deferred phases, cross-family) make `read-only` a real boundary instead of a bash-only approximation — until then the contract says so honestly. No generic per-tool sandbox runtime: a host-mediated tool leaves the process only by returning declarative effects the host validates, which is a rewrite, not a wrapper. -#### Deferred phases +### Testing -Each phase gets its full design when picked up, validated against the code at that time. +- Unit tier (no real runner anywhere): profile dialects, per-platform chain selection (sole candidate unprobed, no chain fails closed, multi-candidate probe order), verdict caching, the fail-closed end, probe-report parsing, and the launcher/`sandbox-exec` CLI contracts via fake runner scripts in `dsh-sandbox-local`; wrapping, policy hand-off, fact stamping, and runner-failure-outranks-denial classification (foreground throw, background `runnerFailed` fact) against a fake provider in `dsh-bash-sandbox`; the error's structured identity in `dsh-sandbox`. The escalation matrix spans the three bash packages: verbatim carry-through in `dsh-bash-local`, stamp/branch/per-task-facts in `dsh-bash-sandbox`, and the capability gate, `justification` pairing, fail-closed texts (pinned verbatim), and grant stamping in `dsh-tool-bash`. The switching surface pins the folds, the stamping precedence, the `'never'` gate, per-session section rendering, the full narrator matrix (cold start, coalescing, net-zero, resume drift with operator wording, positional attribution, persona-shadow hardening), and the bridge's advertisement gating, validation rejections, idle-vs-mid-turn anchoring (dev invariants mounted), and `session/load` reporting over a real two-process JSONL round trip. +- Keyless real-runner e2e, split along the seam and per rung: CI's `sandbox-e2e` matrix runs bwrap and Landlock on Linux (the Landlock leg once per architecture, each confining through the registry-installed launcher) and Seatbelt on macOS against real kernels, failing on a silent all-skip. World-proofs live in `dsh-sandbox-local` (denied writes absent on disk, workspace writes landing, temp-area grants pinned, kernel denial text matching the advertised dialect) and `dsh-bash-sandbox` (the through-`ctx.bash` consumer proofs, including denied-then-overridden-write-lands). This package's own publish path is rehearsed without publishing (`packed-install.e2e.ts`): `pnpm pack`, tarballs installed into a throwaway consumer with the launcher family resolving from the registry, plain `node` confining through the INSTALLED launcher — asserted executable apart, so a mode-stripped binary can never masquerade as a non-enforcing kernel. The switching surface has its own keyless e2e (`examples/sandbox-acp-agent`): the real `cordis.yml` tree advertises both options, honors switches end to end, and rejects out-of-vocabulary values. +- With-key e2e (`examples/sandbox-acp-agent/tests/escalation.e2e.ts`): real model + real runner + the REAL bridge answerer, world-verified — denied under `read-only`, escalates with justification, the scripted editor grants and the retried write lands on disk, while a rejected escalation leaves no write. Self-skips without `DEEPSEEK_API_KEY` or a usable runner (e2e.yml installs bubblewrap so it actually executes in CI). +- Snapshot tier (`examples/sandbox-acp-agent/tests/acp.snapshot.ts`): the keyless config-option wire; the recorded mode-switching arc as the suite's pinned header — necessarily, since mid-session switches emit the `request/header-delta`s the uniformity guard licenses only in the pin — committing both switches, the prompt-section delta and one "changed by the user" notice per knob, and a confined write landing under the switched mode; and both recorded escalation branches over scripted `permissionAnswers` (grant runs confined under `workspace-write`; rejection executes nothing and pins the fail-closed text). Replay re-executes every fixture's bash calls under the host's real runner (ci.yml's snapshot lane installs bubblewrap). Deliberately absent: a fixture carrying a real DENIAL — denial stderr is the backend's dialect and would pin a fixture to its recording platform; the escalation prompts assert the prior denial instead, and the denial→marker path stays on the tiers above. + +## Deferred phases + +Each phase gets its full design when picked up, validated against the code at that time, and lands with unit, real-API e2e, and snapshot coverage at the tiers it touches. - **Per-session workspace root** — the executor's write boundary stays config-fixed for its lifetime while each ACP session has its own cwd; a per-session root rides the same per-call policy carrier once designed. - **Cross-family boundary** — the fs intent gates decide by the shared mode, making `read-only`/`workspace-write` real boundaries beyond bash. @@ -135,15 +143,6 @@ Each phase gets its full design when picked up, validated against the code at th - **More environments** — an environment-coherent capability group example (e.g. bash+fs against one container). - **Windows chain** — `PLATFORM_CHAINS.win32` is reserved and empty (fail-closed); filling it means a confinement runner from the AppContainer/restricted-token family, shipped from its own repository on the `node-addon-landlock-run` template, plus its profile dialect and denial/runner-failure signatures. -### Testing - -Coverage named at plan time, per tier ([testing policy](../../../testing.md)). - -- Unit tier (no real runner anywhere): profile dialects, per-platform chain selection (sole candidate unprobed, no chain fails closed, multi-candidate probe order), verdict caching, the fail-closed end, probe-report parsing, and the launcher/`sandbox-exec` CLI contracts via fake runner scripts in `dsh-sandbox-local`; wrapping, policy hand-off, fact stamping, and runner-failure-outranks-denial classification (foreground throw, background `runnerFailed` fact) against a fake provider in `dsh-bash-sandbox`; the error's structured identity in `dsh-sandbox`. The escalation matrix spans the three bash packages: verbatim carry-through in `dsh-bash-local`, stamp/branch/per-task-facts in `dsh-bash-sandbox`, and the capability gate, `justification` pairing, fail-closed texts (pinned verbatim), and grant stamping in `dsh-tool-bash`. The switching surface pins the folds, the stamping precedence, the `'never'` gate, per-session section rendering, the full narrator matrix (cold start, coalescing, net-zero, resume drift with operator wording, positional attribution, persona-shadow hardening), and the bridge's advertisement gating, validation rejections, idle-vs-mid-turn anchoring (dev invariants mounted), and `session/load` reporting over a real two-process JSONL round trip. -- Keyless real-runner e2e, split along the seam and per rung: CI's `sandbox-e2e` matrix runs bwrap and Landlock on Linux (the Landlock leg once per architecture, each confining through the registry-installed launcher) and Seatbelt on macOS against real kernels, failing on a silent all-skip. World-proofs live in `dsh-sandbox-local` (denied writes absent on disk, workspace writes landing, temp-area grants pinned, kernel denial text matching the advertised dialect) and `dsh-bash-sandbox` (the through-`ctx.bash` consumer proofs, including denied-then-overridden-write-lands). This package's own publish path is rehearsed without publishing (`packed-install.e2e.ts`): `pnpm pack`, tarballs installed into a throwaway consumer with the launcher family resolving from the registry, plain `node` confining through the INSTALLED launcher — asserted executable apart, so a mode-stripped binary can never masquerade as a non-enforcing kernel. The switching surface has its own keyless e2e (`examples/sandbox-acp-agent`): the real `cordis.yml` tree advertises both options, honors switches end to end, and rejects out-of-vocabulary values. -- With-key e2e (`examples/sandbox-acp-agent/tests/escalation.e2e.ts`): real model + real runner + the REAL bridge answerer, world-verified — denied under `read-only`, escalates with justification, the scripted editor grants and the retried write lands on disk, while a rejected escalation leaves no write. Self-skips without `DEEPSEEK_API_KEY` or a usable runner (e2e.yml installs bubblewrap so it actually executes in CI). -- Snapshot tier (`examples/sandbox-acp-agent/tests/acp.snapshot.ts`, landing with the example): the keyless config-option wire; a recorded mode-switching arc as the suite's pinned header — necessarily, since mid-session switches emit the `request/header-delta`s the uniformity guard licenses only in the pin — committing both switches, the prompt-section delta and one "changed by the user" notice per knob, and a confined write landing under the switched mode; and both escalation branches recorded over scripted `permissionAnswers` (grant runs confined under `workspace-write`; rejection executes nothing and pins the fail-closed text). Replay re-executes every fixture's bash calls under the host's real runner (ci.yml's snapshot lane installs bubblewrap). Deliberately absent: a fixture carrying a real DENIAL — denial stderr is the backend's dialect and would pin a fixture to its recording platform; the escalation prompts assert the prior denial instead, and the denial→marker path stays on the tiers above. - ## Alternatives considered - **Command-string heuristic preflight** — rejected: cannot understand expansion/subprocesses/symlinks; the strict attempt (run it, let the kernel decide) is the only trustworthy denial signal. @@ -164,28 +163,31 @@ Coverage named at plan time, per tier ([testing policy](../../../testing.md)). - **Hard-match the retry to a prior denial** — rejected: command-string identity is fragile (quoting, `workdir`, env prefixes, a pipeline retried as its failing stage) — false-rejects honest retries or is trivially satisfied; the real boundary is the human seeing command + justification. Revisit only if `allow_always` grant storage ever needs machine-checkable scopes. - **A generic `env/state` facts map with an owner service** — rejected: approval and sandbox compose independently, so neither's state may drag in a third package; single-key folds are one `findLast` each, dissolving the owner service; no invariant spans the knobs, so atomic multi-key patches bought nothing. - **Narrate via `agent/user-message` + a bus event** — rejected: it presupposes a turn-entry seam that does not exist (the real seam is `agent/prompt-submit`), and pre-step's position serves both the coalesced turn-entry notice and the mid-turn immediacy bound with one listener. -- **A standing prompt statement of the sandbox mode (+ a switch narrator)** — rejected on live evidence from the first manual sessions: with `Bash commands run under the "read-only" file sandbox.` in every request, the model refused to ATTEMPT denied-then-escalatable work, turning the sandbox into a soft lockout. The denial marker names the mode at the moment it matters and the escalation fields carry the recovery; the approval knob keeps its statement because an auto-rejection is behaviorally indistinguishable from a human "no". +- **A standing prompt statement of the sandbox mode (+ a switch narrator)** — shipped first, then removed on live evidence: with `Bash commands run under the "read-only" file sandbox.` in every request, the model refused to ATTEMPT denied-then-escalatable work (five of twelve turns in the first manual session ended with zero tool calls), turning the sandbox into a soft lockout. The denial marker names the mode at the moment it matters and the escalation fields carry the recovery; the approval knob keeps its statement because an auto-rejection is behaviorally indistinguishable from a human "no". - **Track "last told" with its own bookkeeping events** — rejected: the `request/header*` fold already records the exact prompt the model saw; parsing the closed candidate sentences back replaces a second bookkeeping stream — events are needed only where they ARE the store. - **ACP session modes instead of config options** — rejected: one mode list cannot carry two orthogonal knobs; config options are the spec's designed surface and modes are slated for removal in ACP v2. -## Acceptance criteria +## Consequences + +What shipped pins — the tiers in Testing hold each: - A denied command retried with `sandbox_permissions` + `justification` prompts the user through the composed answerer chain; a grant runs THAT call under the wider mode (result facts say so) while every other call keeps its own effective mode; every non-grant outcome produces its distinct error text and executes nothing. - The escalation fields exist exactly when the mounted executor confines; a request that is not strictly wider than the call's effective mode fails closed with its own text and prompts no one; a deployment with no ApprovalService fails escalating calls closed and leaves plain calls untouched. - The system prompt never states the sandbox mode (an approval `'never'` policy is the one stated knob), and the whole exchange — headers, knob events, notices, approvals, results — reconstructs from the session log alone, with no event types beyond the two knob events. -- N idle-time flips produce at most one anchored event per knob (a net-zero sequence anchors none — a no-op push from a client echoing current selections records nothing); an approval-policy switch is narrated in at most one coalesced notice; a mid-turn sandbox switch is honored by the next call's stamp.- A resumed session's overrides apply and are reported to the editor with no special-casing; a default changed while the process was down is narrated before the session's first new request, attributed to the operator. +- N idle-time flips produce at most one anchored event per knob (a net-zero sequence anchors none — a no-op push from a client echoing current selections records nothing); an approval-policy switch is narrated in at most one coalesced notice; a mid-turn sandbox switch is honored by the next call's stamp. +- A resumed session's overrides apply and are reported to the editor with no special-casing; a default changed while the process was down is narrated before the session's first new request, attributed to the operator. - Two concurrent sessions never see each other's state, notices, or config options. - `agent-loop` is untouched — everything rides `systemPrompt.section`, `SessionEventMap` merging, `agent.inject()`, `agent/pre-step`, `agent/prompt-submit`, and the ACP handler surface. -## Risks +Costs and accepted limits: -- **The one-wrapper illusion is given up knowingly.** A `tools/pre-execute` wrapper plus prompt conventions does not solve sandbox approval — the correct design costs structured denials, native runner probes, per-call policy carriage, and consistent cross-family enforcement, and this RFC pays it. +- **The one-wrapper illusion is given up knowingly.** A `tools/pre-execute` wrapper plus prompt conventions does not solve sandbox approval — the correct design costs structured denials, native runner probes, per-call policy carriage, and consistent cross-family enforcement, and this design pays it. - **`read-only` is not yet a cross-family boundary.** Until the fs intent gates decide by the shared mode, the claim holds for bash only; the contract says so honestly (§ In-process tools). - **Windows has no backend.** Its chain slot is reserved empty — fail-closed, never a fallthrough; filling it is a deferred phase. - **The Seatbelt rung leans on Apple's deprecated-but-shipped `sandbox-exec` CLI.** As darwin's sole candidate it is selected without probing, so a future removal surfaces at execution as the runner-failure classification — re-thrown `SANDBOX_UNAVAILABLE`, the command never runs; fail closed, never open. - **Landlock confinement is only as complete as the running kernel's ABI.** Reported as `enforcement: 'partial'` rather than refused — the deliberate trade that keeps the fallback available on older-kernel hosts. - **The launcher arrives as a registry dependency.** Trusted through its own repository's release pipeline (reviewed C source, native CI builders, byte-pinned publish rehearsal) plus this repo's version pin — the real-kernel e2e legs are what vouch for behavior through the installed bytes. -- **The model may over-ask.** Escalating without a real denial, or picking `danger-full-access` where `workspace-write` suffices: the description steers and the enum forces the ladder, but the human prompt is the actual gate; the `approval/asked` reasons make over-asking auditable, and a `prepend` policy answerer can auto-reject patterns a deployment never wants. +- **The model may over-ask.** Escalating without denial grounding, or picking `danger-full-access` where `workspace-write` suffices: the description steers and the enum forces the ladder, but the human prompt is the actual gate; the `approval/asked` reasons make over-asking auditable, and a `prepend` policy answerer can auto-reject patterns a deployment never wants. - **The advertised target set is static while the effective mode is per-session** (schemas are registry-global) — a session already at the widest mode is still offered the fields. Harmless by construction: the strict-wider check at execution, not the enum, is the safety boundary — a non-widening request fails with its own text and never prompts anyone. - **A granted escalation is not a working sandbox.** An unavailable backend still fails closed even for a granted escalation to a confining mode — at `confine()` when the platform has no chain or every probe fails, at execution when an unprobed sole runner refuses (classified as a sandbox failure, not a command failure) — while a granted `danger-full-access` run never touches the provider at all: there the grant, not the probe, is the authority. - **An idle switch lives in bridge memory until the next turn anchors it.** A crash in that window reverts it (reported honestly on `session/load`), and a session that never runs another turn never persists it — accepted, with the loop-owned idle commit turn named as future work if durability becomes a requirement. @@ -212,8 +214,8 @@ Behavioral and usage questions only — every "why not X?" design question lives In-repo precedents this design copies or contrasts with: -- [The capability-seams RFC](../../implemented/architecture/2026-06-13-capability-seams.md) — the interface/implementation/consumer split and the "don't split preemptively" timing rule the second consumer satisfied. +- [The capability-seams RFC](../architecture/2026-06-13-capability-seams.md) — the interface/implementation/consumer split and the "don't split preemptively" timing rule the second consumer satisfied. - The `dsh-bash` request/spec split and its `owner` field ([the bash vocabulary catalog](../../../core-data-structures/bash.md)) — the per-call carrier template `sandboxMode` rides, and the explicit-`resolve()` defaulting convention. - [The approval seam RFC](2026-07-06-approval-seam.md) — the channel escalation asks through; its answerer waterfall, audit pair, and one-package rationale are recorded there. -- [Event-sourced sessions](../../implemented/architecture/2026-06-11-event-sourced-sessions.md) and [the turn-enclosure invariant](../../implemented/architecture/2026-06-15-turn-enclosure-invariant.md) — the log-as-store foundation the per-session modes fold over, and the commit boundary the anchoring design obeys. -- [The interception-seams RFC](../../implemented/feature/2026-06-30-interception-seams.md) — the `tools/pre-execute` vocabulary the escalation gate deliberately does not reuse (an escalating call has no pre-execute moment of its own). +- [Event-sourced sessions](../architecture/2026-06-11-event-sourced-sessions.md) and [the turn-enclosure invariant](../architecture/2026-06-15-turn-enclosure-invariant.md) — the log-as-store foundation the per-session modes fold over, and the commit boundary the anchoring design obeys. +- [The interception-seams RFC](2026-06-30-interception-seams.md) — the `tools/pre-execute` vocabulary the escalation gate deliberately does not reuse (an escalating call has no pre-execute moment of its own). diff --git a/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md b/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md index c321c56d53..1f3f9b071b 100644 --- a/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md +++ b/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md @@ -2,7 +2,7 @@ Status: proposed -> **Implementation status (MVP landed):** steps 1, 2, 3, 4, 6, 7, 8 are implemented in `packages/ui/acp` + `examples/acp-agent`. **Step 5 (the `session/request_permission` permission gate) is deferred** — the bridge ships a pass-through (tools run with the executor's full authority) marked `TODO(rfc010-permission-gate)`, and lays down only the `WeakMap` ownership seam the gate will build on. Status stays `proposed` until the gate lands. `session/cancel` is the queue-aware `agent.cancel()`: it aborts a running step, clears queued + steering work, and drops a turn that is about to start, so a queued-but-not-yet-started prompt never runs and a later prompt cannot be batched into the cancelled turn. **Per-session `cwd` is now honored** (lifting the original "launch the server in the workspace root" restriction — see § Deferred): `session/new` accepts any absolute `cwd`, and `session/load` requires the request `cwd` to match the persisted session `cwd` so the editor and bash executor agree on the workspace. +> **Implementation status (MVP landed):** steps 1, 2, 3, 4, 6, 7, 8 are implemented in `packages/ui/acp` + `examples/acp-agent`. **Step 5 (the `session/request_permission` permission gate) is implemented in amended form** — not as this RFC's prepended ask-every-owned-call `tools/pre-execute` listener, but as the bridge's answerer on the [approval seam](../../implemented/feature/2026-07-06-approval-seam.md) (`ctx.approval`): an `ask` from a hook or gate plugin becomes an editor prompt routed through the `WeakMap` ownership seam this RFC laid down; whether a call asks is policy, so with no ask-producing plugin composed, tools keep the executor's full authority. Status stays `proposed` until the remaining deferred surface (modes/config options) settles. `session/cancel` is the queue-aware `agent.cancel()`: it aborts a running step, clears queued + steering work, and drops a turn that is about to start, so a queued-but-not-yet-started prompt never runs and a later prompt cannot be batched into the cancelled turn. **Per-session `cwd` is now honored** (lifting the original "launch the server in the workspace root" restriction — see § Deferred): `session/new` accepts any absolute `cwd`, and `session/load` requires the request `cwd` to match the persisted session `cwd` so the editor and bash executor agree on the workspace. ## Problem diff --git a/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md b/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md index a65f6b67eb..94395a5f06 100644 --- a/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md +++ b/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md @@ -2,7 +2,7 @@ Status: proposed -> **Implementation status:** the multi-session bridge (steps 1, 3, 4) and the bash task-ownership isolation are implemented in `packages/ui/acp` + `packages/bash/tool-bash`. **Per-session *permission* ownership is deferred** — it depends on [the ACP support permission gate](2026-06-14-acp-agent-client-protocol.md) (`TODO(rfc010-permission-gate)`), which is itself deferred; the `agent→sessionId` reverse map the gate will route through is in place. Step 2's per-session disposer scope is now implemented (see [agent lifecycle & ownership seams](../../implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md)): the factory returns a per-agent `AgentHandle` whose `dispose()` stops the loop, awaits quiescence, unregisters the agent, and removes its session, so a bare client disconnect leaves no registered agent or session-store entry. Status stays `proposed` until per-session permission ownership lands. +> **Implementation status:** implemented in full — the multi-session bridge (steps 1, 3, 4) and the bash task-ownership isolation in `packages/ui/acp` + `packages/bash/tool-bash`; per-session *permission* ownership via the bridge's answerer on [the approval seam](../../implemented/feature/2026-07-06-approval-seam.md), which resolves every permission prompt through the `agent→sessionId` reverse map to the owning editor session and delegates (fail closed) for agents the bridge does not own; and step 2's per-session disposer scope (see [agent lifecycle & ownership seams](../../implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md)) — the factory returns a per-agent `AgentHandle` whose `dispose()` stops the loop, awaits quiescence, unregisters the agent, and removes its session, so a bare client disconnect leaves no registered agent or session-store entry. Status follows [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md), whose remaining deferred surface is modes/config options. > **Target-client note:** Zed is the current target ACP client, and its ACP client maintains a `HashMap` plus `pending_sessions` for concurrent `session/load` calls. The competing simplification to return to one live session per connection was rejected after checking that target-client shape; this RFC remains the path for finishing multiplexing and per-session permission ownership. See [the rejected simplification](../../rejected/simplification/2026-06-20-single-session-acp-bridge.md). diff --git a/examples/AGENTS.md b/examples/AGENTS.md index 3d2a700ca0..d54104a189 100644 --- a/examples/AGENTS.md +++ b/examples/AGENTS.md @@ -2,7 +2,7 @@ Runnable demos showing how the harness is wired. **Examples are NOT workspaces** — each `examples/*/package.json` is a private, dependency-free stub, never built. They are booted as unbuilt `tsx` subprocesses via the cordis Loader reading a `cordis.yml`; the `@deepseek-ai/dsh-*` plugin names in those YAML files resolve through the root `tsconfig.json` `paths` map, not through `node_modules`. -Because examples are not under the `packages/*/src` coverage gate, an example that grows real, reusable *logic* should extract it into a `packages/` package (where it gets the per-file 100% gate and a README). Keep only example-specific glue here: the `cordis.yml` wiring, demo-only mocks/teaching artifacts, and the e2e/snapshot scenarios. There is no `start.ts` — the boot glue (Loader tail, `.env` load, snapshot-mode selection, stdin-dispose lifecycle) lives in each app package's `bin` (`@deepseek-ai/dsh-stdio-agent`, `@deepseek-ai/dsh-acp-agent`), which the `demo:*` scripts invoke against the leaf `cordis.yml`. +Because examples are not under the `packages/*/src` coverage gate, an example that grows real, reusable *logic* should extract it into a `packages/` package (where it gets the per-file 100% gate and a README). Keep only example-specific glue here: the `cordis.yml` wiring, demo-only mocks/teaching artifacts, and the e2e/snapshot scenarios. There is no `start.ts` — the boot glue lives in each app package's `bin` (`@deepseek-ai/dsh-stdio-agent`, `@deepseek-ai/dsh-acp-agent`), which the `demo:*` scripts invoke against the leaf `cordis.yml`. ## Every example ships e2e smokes (keyless + with-key) @@ -13,7 +13,7 @@ Each example must have **both** kinds of end-to-end smoke, because they catch di **Exception — keyless-by-nature examples.** An example whose model is itself a mock/deterministic stand-in (no real provider) has no meaningful with-key smoke; the keyless smoke is the complete requirement. State the exception inline in the test. -A keyless smoke that spawns the example from a temp cwd must set `TSX_TSCONFIG_PATH` to the repo-root tsconfig — the unbuilt `paths` map is found by searching UP from cwd, so a temp cwd outside the repo would otherwise fall back to stale built `lib/`. Pass `--expose-internals` when the example's `cordis.yml` loads the HMR plugin (mirror the `demo:*` script). +A keyless smoke that spawns the example from a temp cwd must set `TSX_TSCONFIG_PATH` to the repo-root tsconfig (the unbuilt `paths` map is found by searching UP from cwd), and pass `--expose-internals` when the `cordis.yml` loads the HMR plugin (mirror the `demo:*` script). ## Current state @@ -22,6 +22,7 @@ A keyless smoke that spawns the example from a temp cwd must set `TSX_TSCONFIG_P | `echo-agent` | `tests/echo.e2e.ts` — boots the real `cordis.yml`, drives the echo tool round-trip and the direct canned reply | **N/A — keyless by nature** (the `mock-echo` model has no real provider) | | `coding-agent` | `tests/keyless-smoke.e2e.ts` — boots the full real tree (dummy key, no prompt → no model call), asserts banner + clean exit; `tests/code-mode-keyless-smoke.e2e.ts` — the same boot guard for the Code Mode overlay | `tests/{full-loop,coding-task,resume,compaction,todo-write}.e2e.ts` — real model + real bash + real todo_write, world-verified; `tests/code-mode.e2e.ts` — a real model composes two bash calls in one `run_code` program; collapsed header, dispatch events, written file all verified | | `cordis-agent` | `tests/keyless-smoke.e2e.ts` — boots the real tree incl. `@deepseek-ai/dsh-tool-cordis` by package name; the tool logic is unit-tested in `packages/cordis/tool-cordis` | `tests/cordis-tools.e2e.ts` — real model mounts a listener (tagged line fires), builds+calls its own tool, composes two mounts via provide/inject | +| `sandbox-acp-agent` | `escalation.e2e.ts` — boots the real tree (sandbox + approval + bridge) keyless: initialize + `session/new` | same file — denied → escalates → a scripted client grants (the write must land) or rejects (it must not); skips without key/runner | | `acp-agent` | `pnpm run test:snapshot` — boots the real ACP subprocess and replays a recorded session keyless (incl. the hook matrix: a scenario per hook point × outcome for BOTH the Claude and Codex bridges — block, deny, ask, context-fold, force-continue); `tests/acp.e2e.ts` also asserts stdout purity without a key | `tests/acp.e2e.ts` — real ACP prompt, verifies a file the agent wrote; `tests/hooks.e2e.ts` — a real `PreToolUse` hook blocks bash, verifies the file is NOT written | See [the root AGENTS.md](../AGENTS.md) for repo-wide conventions and [docs/architecture.md](../docs/architecture.md) for the design. diff --git a/examples/README.md b/examples/README.md index e8a41a366b..f1abfd7ca8 100644 --- a/examples/README.md +++ b/examples/README.md @@ -32,3 +32,9 @@ Run with: `pnpm run demo:cordis` (needs `DEEPSEEK_API_KEY`). See [cordis-agent/R An agent demo exposed as an **Agent Client Protocol (ACP)** server over JSON-RPC stdio, via the [`@deepseek-ai/dsh-acp-agent`](../packages/ui/acp-agent) app — drive it from Zed or any other ACP client. Also the home of the keyless snapshot tests. Run with: `pnpm run demo:acp` (needs `DEEPSEEK_API_KEY`); `pnpm run demo:code-mode acp` boots the same server in Code Mode via the `code-mode.cordis.yml` overlay. See [acp-agent/README.md](acp-agent/README.md) for the Zed setup and the snapshot-test design. + +## sandbox-acp-agent + +The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../packages/sandbox/sandbox-local) + [`@deepseek-ai/dsh-bash-sandbox`](../packages/bash/bash-sandbox) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over ACP with [`@deepseek-ai/dsh-approval`](../packages/approval/approval) mounted — the first composition where the approval loop is LIVE: a sandbox denial escalated by the model becomes a `session/request_permission` prompt in the editor, and "Allow once" runs exactly that command under the wider mode. + +Run with: `pnpm run demo:sandbox-acp` (needs `DEEPSEEK_API_KEY`; bwrap, a Landlock-enforcing kernel, or macOS for confined runs). See [sandbox-acp-agent/README.md](sandbox-acp-agent/README.md). diff --git a/examples/sandbox-acp-agent/README.md b/examples/sandbox-acp-agent/README.md new file mode 100644 index 0000000000..ab40214834 --- /dev/null +++ b/examples/sandbox-acp-agent/README.md @@ -0,0 +1,16 @@ +# sandbox-acp-agent + +The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../../packages/sandbox/sandbox-local/) + [`@deepseek-ai/dsh-bash-sandbox`](../../packages/bash/bash-sandbox/) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over the **Agent Client Protocol**, plus [`@deepseek-ai/dsh-approval`](../../packages/approval/approval/) — which makes this the first composition where the approval loop is LIVE end to end: bash runs under `read-only`, a denial comes back as the structured marker, the model retries once with `sandbox_permissions` + `justification`, the ACP bridge's answerer turns that ask into a `session/request_permission` prompt in your editor, and "Allow once" runs exactly that command under the wider mode ([sandbox RFC § Escalation](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). + +```sh +pnpm run demo:sandbox-acp # needs DEEPSEEK_API_KEY; drive it from Zed or any ACP client +``` + +Zed setup is the same as [acp-agent](../acp-agent/README.md) with this example's command; only the leaf `cordis.yml` differs (the sandbox stack + the approval entry in place of the local bash executor and the extra tool stacks). + +- **Every approval is one-shot** (`Allow once` / `Reject` — no `allow_always`: the harness has no grant storage yet), and a dismissed prompt or a rejected ask fails closed with its own error text; so does every ask when no editor is attached to answer. +- **Two session config options are live** ([sandbox RFC § Per-session mode switching](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): a capable client shows `Sandbox` (`read-only`/`workspace-write`/`danger-full-access`) and `Approvals` (`ask`/`never`) selectors per session — a switch is one log-only event on that session's log and execution follows it; the sandbox mode is deliberately NOT stated in the prompt or narrated (the model learns the boundary from the denial marker — behavior, not belief), while an approval switch to `never` is stated and narrated; a resumed session reports its overrides back on `session/load`. +- **The write boundary is config-fixed**: an escalated `workspace-write` run may write under the launch directory (`workspaceRoot: process.cwd()`) plus the platform temp area — a per-session root is config-phase future work in the [sandbox RFC](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). +- **No usable runner fails closed per command** (structured `SANDBOX_UNAVAILABLE`), and the filesystem tools stay unloaded for the same reason as `sandbox-agent`: they would bypass the bash sandbox. + +Tests: `tests/escalation.e2e.ts` — keyless, it boots the real `cordis.yml` through the Loader as an ACP subprocess, proves the whole tree (sandbox executor + approval service + bridge) initializes and opens a session, and drives the config options end to end (both advertised with composition currents, switches honored and echoed as complete state, out-of-vocabulary values rejected); with a key and a usable runner, a scripted ACP client plays the human — the real model gets denied, escalates, the client answers `allow-once`, and the retried write must land on disk. `tests/acp.snapshot.ts` (the [shared snapshot kit](../../packages/support/acp-snapshot/) over this composition's `cordis.snapshot.yml` replay overlay) pins four scenarios as committed wire bytes: the keyless config-option exchange, the recorded `mode-switching` arc (the suite's pinned header — both switches, their prompt-section deltas, one "changed by the user" notice per knob, and a confined write landing under the switched mode), and both recorded escalation branches (`session/request_permission` answered allow-once / reject-once). Replay re-executes every recorded bash call under the host's real runner — Seatbelt works out of the box on macOS; on Linux install bubblewrap (or build the Landlock launcher) first, exactly what ci.yml's snapshot lane does. No fixture carries a real denial: denial stderr is backend dialect and would pin a fixture to its recording platform (the rationale comment atop the suite file). diff --git a/examples/sandbox-acp-agent/cordis.snapshot.yml b/examples/sandbox-acp-agent/cordis.snapshot.yml new file mode 100644 index 0000000000..b5f8ac73ed --- /dev/null +++ b/examples/sandbox-acp-agent/cordis.snapshot.yml @@ -0,0 +1,30 @@ +# Snapshot-test REPLAY overlay for the sandboxed composition: the SAME app +# tree as cordis.yml, derived from it by an include — the one difference is +# the model backend. A keyless replay run cannot boot the real adapter +# (llm-deepseek's apply() throws without DEEPSEEK_API_KEY), so the include +# patches the live tree at load time: the llm-deepseek entry is disabled by +# id, and the llm-replay entry (which serves a recorded session JSONL — no +# API key, no network) is inserted. Every other entry — the sandbox provider, +# the confined bash executor, the approval seam, the app — IS the live tree. +# The sandbox provider probes for a platform runner per EXECUTION, not at +# boot, so a protocol-only scenario (session config options) replays on hosts +# with no runner at all. +# +# The dsh-acp-agent bin selects this file for DSH_SNAPSHOT=replay (the +# sibling-swap of whatever config path it was handed). The replay fixture +# path comes from $DSH_SNAPSHOT_FILE, set by the snapshot harness. stdout +# stays reserved for the ACP JSON-RPC protocol. +- id: base + name: '@cordisjs/plugin-include' + config: + path: ./cordis.yml + patches: + # The name is an assertion, not an override: the include skips the patch + # (warning) when the id points at a different plugin, so this can never + # disable the wrong entry. + - id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + disabled: true + - insert: + - id: llm-replay + name: '@deepseek-ai/dsh-llm-replay' diff --git a/examples/sandbox-acp-agent/cordis.yml b/examples/sandbox-acp-agent/cordis.yml new file mode 100644 index 0000000000..d083e8e3f1 --- /dev/null +++ b/examples/sandbox-acp-agent/cordis.yml @@ -0,0 +1,63 @@ +# The sandbox-acp-agent plugin tree: the sandboxed coding agent served over the +# Agent Client Protocol, with the approval seam composed — the first LIVE +# approval composition. A sandbox denial escalated by the model +# (sandbox_permissions + justification) reaches the EDITOR as a +# session/request_permission prompt through the ACP bridge's answerer, and an +# "Allow once" runs exactly that command under the wider mode. +# +# CRITICAL: this tree loads NO stdout logger and NO hmr — stdout is reserved +# for the ACP JSON-RPC protocol (a property of @deepseek-ai/dsh-acp-agent, +# same as examples/acp-agent). +# +# Requires DEEPSEEK_API_KEY (and optionally DEEPSEEK_BASE_URL) — the +# dsh-acp-agent bin loads the gitignored repo-root .env first (on STDERR only). + +# The DeepSeek adapter. +- id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + config: + apiKey: !!js process.env.DEEPSEEK_API_KEY + baseURL: !!js process.env.DEEPSEEK_BASE_URL + models: + - deepseek-v4-flash + +# The sandbox stack: the platform-runner provider (bwrap → per-platform +# Landlock launcher → Seatbelt, functionally probed), then the confined bash executor. +# read-only is the fail-safe default; the write boundary for an escalated +# workspace-write run is workspaceRoot + the platform's temp area. NOTE: the +# workspace root is CONFIG-FIXED for the executor's lifetime (the launch dir +# here), while each ACP session has its own cwd — a per-session root is config- +# phase future work in the sandbox RFC. +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' +- id: bash + name: '@deepseek-ai/dsh-bash-sandbox' + config: + mode: read-only + workspaceRoot: !!js process.cwd() + +# The approval seam (ctx.approval — mechanism only, no config): with it +# mounted, the bash tool's escalation gate has a channel, and the ACP bridge +# inside dsh-acp-agent answers for the sessions it owns by prompting the +# editor. Without an editor attached nothing can answer, and every ask fails +# closed. +- id: approval + name: '@deepseek-ai/dsh-approval' + +# The ACP server app: the agent-core spine + JSONL persistence + the ACP +# bridge (whose approval answerer completes the loop). +- id: acp-agent + name: '@deepseek-ai/dsh-acp-agent' + config: + model: deepseek-v4-flash + # Persistence root: $DSH_SNAPSHOT_SESSIONS_ROOT when the snapshot harness + # sets it (so a record run's logs land where the harness harvests them), + # else the local ./.sessions default. + persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' + persona: | + You are a coding assistant powered by the {{model}} model. Your working + directory is {{cwd}}. Your bash tool runs under a file sandbox — a + `[sandbox: file access denied …]` result is policy, not a command bug. + + Verify your work by running the code or tests. Keep answers brief and + factual. diff --git a/examples/sandbox-acp-agent/package.json b/examples/sandbox-acp-agent/package.json new file mode 100644 index 0000000000..5a4c9a989e --- /dev/null +++ b/examples/sandbox-acp-agent/package.json @@ -0,0 +1,7 @@ +{ + "name": "sandbox-acp-agent-example", + "description": "Runnable demo: the sandboxed coding agent as an ACP server, with sandbox-escalation approval prompts answered by the editor", + "private": true, + "version": "0.0.1", + "type": "module" +} diff --git a/examples/sandbox-acp-agent/tests/acp.snapshot.ts b/examples/sandbox-acp-agent/tests/acp.snapshot.ts new file mode 100644 index 0000000000..e512443e96 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/acp.snapshot.ts @@ -0,0 +1,67 @@ +import { dirname, join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { defineAcpSnapshotSuite, type Scenario } from '@deepseek-ai/dsh-acp-snapshot' + +/** + * Snapshot suite for the SANDBOXED composition (`../cordis.yml`, swapped to + * the sibling `cordis.snapshot.yml` replay overlay by the bin under + * `DSH_SNAPSHOT=replay`). Replay swaps only the MODEL for the recorded + * transcript — every bash call re-executes for real under the host's actual + * runner (Seatbelt on macOS, bwrap on Linux CI: ci.yml's snapshot lane + * installs bubblewrap for exactly this), so the recorded scenarios double as + * cross-backend confinement regression: an allowed command a runner change + * starts denying fails replay outright. Their commands are limited to + * `cat`/`printf` shapes whose bytes are identical across those backends and + * across GNU/BSD userlands. + * + * Deliberately ABSENT: a scenario whose transcript carries a real sandbox + * DENIAL. The harness-authored `[sandbox: file access denied …]` marker is + * byte-stable, but the denied command's own stderr is the backend's dialect + * (bwrap EROFS "Read-only file system", Landlock EACCES "Permission + * denied", Seatbelt EPERM "Operation not permitted", GNU vs BSD phrasing on + * top), and stderr reaches both compared surfaces — such a fixture replays + * only on the platform that recorded it. The denial→marker path stays on + * dsh-tool-bash's unit tests and the real-kernel sandbox e2e legs + * (.github/workflows/sandbox.yml); the escalation scenarios below sidestep + * it by having the USER assert the prior denial, so the recorded model + * escalates without a platform-variant denial in the log. + */ +const SCENARIOS: Scenario[] = [ + // Protocol-only (keyless, authored): the session config-option surface + // this composition adds — both advertised selects on session/new, the + // complete refreshed state every session/set_config_option answers with, + // and both rejection shapes — as committed wire bytes. No bash runs, so + // this one still replays on runner-less hosts. + { name: 'config-options', hasModelTurn: false, recorded: false }, + // The runtime mode-switching arc, and NECESSARILY the pinned-header + // scenario: an approval-policy switch rewrites its prompt section, and the + // resulting request/header-delta is legal only in the pinning scenario + // (the factory's uniformity guard). The pin commits this composition's + // full header — persona, tool schemas WITH the escalation fields — plus + // the approval delta and its "changed by the user" notice verbatim. The + // SANDBOX switch is deliberately silent (no section, no notice — the + // sandbox RFC's visibility asymmetry): the recorded arc proves it by + // BEHAVIOR, a confined write landing under the switched mode with no + // header change. + { name: 'mode-switching', hasModelTurn: true, recorded: true, pinsHeader: true, expectedHeaderDeltas: 1 }, + // The approval wire end-to-end, under the DEFAULT read-only/ask (a switch + // would emit a header-delta the uniformity guard forbids here): the + // escalating bash call streams, session/request_permission attaches to it + // (allow-once / reject-once), and the scripted answer drives each branch — + // an approved run executes CONFINED under the granted workspace-write; a + // rejected one executes nothing and fails with the deterministic + // rejection text. + { name: 'escalation-approved', hasModelTurn: true, recorded: true }, + { name: 'escalation-rejected', hasModelTurn: true, recorded: true }, +] + +defineAcpSnapshotSuite({ + agent: { + binScript: fileURLToPath(new URL('../../../packages/ui/acp-agent/src/bin.ts', import.meta.url)), + configPath: fileURLToPath(new URL('../cordis.yml', import.meta.url)), + tsconfigPath: fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)), + }, + snapshotsDir: join(dirname(fileURLToPath(import.meta.url)), 'snapshots'), + scenarios: SCENARIOS, + mode: process.env.DSH_SNAPSHOT === 'record' ? 'record' : 'replay', +}) diff --git a/examples/sandbox-acp-agent/tests/escalation.e2e.ts b/examples/sandbox-acp-agent/tests/escalation.e2e.ts new file mode 100644 index 0000000000..93915717a1 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/escalation.e2e.ts @@ -0,0 +1,213 @@ +import { spawn, spawnSync, type ChildProcessWithoutNullStreams } from 'node:child_process' +import { Readable, Writable } from 'node:stream' +import { mkdtemp, readFile, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterEach, describe, expect, it } from 'vitest' +import { + ClientSideConnection, + ndJsonStream, + PROTOCOL_VERSION, + type Agent as AcpAgent, + type Client, + type RequestPermissionRequest, + type RequestPermissionResponse, + type SessionNotification, +} from '@agentclientprotocol/sdk' + +/** + * examples/sandbox-acp-agent end to end. + * + * Keyless smoke: boot the REAL `cordis.yml` through the `dsh-acp-agent` bin as + * an ACP subprocess and drive initialize + session/new — the real-Loader-path + * guard (postmortem 0001) for THIS tree's export shapes, which now include the + * sandbox executor AND the approval service. No prompt is sent, so neither the + * model nor a sandbox runner is ever exercised. + * + * With-key escalation flow (self-skips without DEEPSEEK_API_KEY or a usable + * platform runner): a scripted ACP client plays the human. The real model is + * denied under `read-only`, escalates with `sandbox_permissions` + + * `justification`, the bridge prompts THIS client over + * `session/request_permission`, the client answers `allow-once`, and the + * retried write must land ON DISK (world-verified). The session cwd is a temp + * dir under the platform temp area, which `workspace-write` grants — so either + * escalation target the model picks can land the write. + */ + +const binScript = fileURLToPath(new URL('../../../packages/ui/acp-agent/src/bin.ts', import.meta.url)) +const configPath = fileURLToPath(new URL('../cordis.yml', import.meta.url)) +const tsxLoader = fileURLToPath(import.meta.resolve('tsx')) +// The subprocess runs from a temp cwd OUTSIDE the repo; point tsx at the repo +// tsconfig so the unbuilt `paths` map resolves (see examples/AGENTS.md). +const repoTsconfig = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)) + +// A usable confining runner, probed the same way the executor suites do: +// bwrap on Linux, Seatbelt's sandbox-exec on macOS. Without one the strict +// attempt would fail closed (SANDBOX_UNAVAILABLE) instead of producing the +// denial this flow starts from. +const hasBwrap = spawnSync('bwrap', ['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent', '--', 'true'], { + timeout: 5_000, + stdio: 'ignore', +}).status === 0 +const hasSeatbelt = process.platform === 'darwin' && spawnSync('sandbox-exec', ['-p', '(version 1)(allow default)', 'true'], { + timeout: 5_000, + stdio: 'ignore', +}).status === 0 +const hasRunner = hasBwrap || hasSeatbelt + +interface Spawned { + child: ChildProcessWithoutNullStreams + client: ClientSideConnection + updates: SessionNotification['update'][] + permissionRequests: RequestPermissionRequest[] + stderr: string[] +} + +/** Boot the example as an ACP subprocess; the scripted client answers every permission prompt with `answer`. */ +function spawnSandboxAcpAgent(cwd: string, answer: 'allow-once' | 'reject-once'): Spawned { + const child = spawn( + process.execPath, + ['--import', tsxLoader, binScript, configPath], + { + cwd, + // A dummy key lets the deepseek adapter boot keyless (presence-checked at + // apply, used only on a real model call); the with-key tests carry the + // real key, so the fallback is inert there. + env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', TSX_TSCONFIG_PATH: repoTsconfig }, + stdio: ['pipe', 'pipe', 'pipe'], + }, + ) + const stderr: string[] = [] + child.stderr.setEncoding('utf8') + child.stderr.on('data', (chunk: string) => stderr.push(chunk)) + + const updates: SessionNotification['update'][] = [] + const permissionRequests: RequestPermissionRequest[] = [] + const stream = ndJsonStream( + Writable.toWeb(child.stdin) as WritableStream, + Readable.toWeb(child.stdout) as ReadableStream, + ) + const makeClient = (_agent: AcpAgent): Client => ({ + sessionUpdate(params: SessionNotification): Promise { + updates.push(params.update) + return Promise.resolve() + }, + requestPermission(params: RequestPermissionRequest): Promise { + permissionRequests.push(params) + const option = params.options.find(o => o.optionId === answer) + // The scripted human: pick the requested option when the prompt offers + // it; an unexpected prompt shape cancels (fail closed, never grants). + if (option === undefined) return Promise.resolve({ outcome: { outcome: 'cancelled' } }) + return Promise.resolve({ outcome: { outcome: 'selected', optionId: option.optionId } }) + }, + }) + const client = new ClientSideConnection(makeClient, stream) + return { child, client, updates, permissionRequests, stderr } +} + +let spawned: Spawned | undefined +let workdir: string | undefined + +afterEach(async () => { + if (spawned !== undefined && spawned.child.exitCode === null) spawned.child.kill('SIGKILL') + spawned = undefined + if (workdir !== undefined) await rm(workdir, { recursive: true, force: true }) + workdir = undefined +}) + +describe('sandbox-acp-agent keyless smoke (real cordis.yml via the Loader)', () => { + it('boots the tree — sandbox executor + approval service + bridge — and opens a session', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-smoke-')) + spawned = spawnSandboxAcpAgent(workdir, 'reject-once') + const { client } = spawned + // A dummy key boots the adapter; no prompt is ever sent, so no model call + // and no sandbox runner probe happen. This drives the fiber tree the same + // way an editor would, which is what catches a broken export/inject shape. + const init = await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + expect(init.protocolVersion).toBe(PROTOCOL_VERSION) + const { sessionId } = await client.newSession({ cwd: workdir, mcpServers: [] }) + expect(sessionId.length).toBeGreaterThan(0) + }, 30_000) + + it('advertises both session config options and honors a switch end to end (no key, no model)', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-config-')) + spawned = spawnSandboxAcpAgent(workdir, 'reject-once') + const { client } = spawned + await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + // This tree composes bash-sandbox (mode: read-only) + approval → both + // knobs advertise, currents from composition config. + const created = await client.newSession({ cwd: workdir, mcpServers: [] }) + const advertised = created.configOptions ?? [] + expect(advertised.map(option => [option.id, 'currentValue' in option ? option.currentValue : undefined])) + .toEqual([['sandbox-mode', 'read-only'], ['approval-policy', 'ask']]) + // A switch responds with the COMPLETE refreshed state (the spec contract), + // and the new currents survive in the response of a second switch. + const afterSandbox = await client.setSessionConfigOption({ + sessionId: created.sessionId, configId: 'sandbox-mode', value: 'workspace-write', + }) + const afterApproval = await client.setSessionConfigOption({ + sessionId: created.sessionId, configId: 'approval-policy', value: 'never', + }) + const currents = (afterApproval.configOptions ?? []).map(option => + [option.id, 'currentValue' in option ? option.currentValue : undefined]) + expect(afterSandbox.configOptions?.find(option => option.id === 'sandbox-mode')) + .toMatchObject({ currentValue: 'workspace-write' }) + expect(currents).toEqual([['sandbox-mode', 'workspace-write'], ['approval-policy', 'never']]) + // An out-of-vocabulary value is a protocol error, never a silent default. + await expect(client.setSessionConfigOption({ + sessionId: created.sessionId, configId: 'sandbox-mode', value: 'yolo', + })).rejects.toThrow(/unknown sandbox-mode value/) + }, 30_000) +}) + +describe.skipIf(!process.env.DEEPSEEK_API_KEY || !hasRunner)('sandbox-acp-agent e2e: the live approval loop', () => { + it('denial → model escalation → editor prompt → allow-once → the retried write lands on disk', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-e2e-')) + spawned = spawnSandboxAcpAgent(workdir, 'allow-once') + const { client, permissionRequests } = spawned + + await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await client.newSession({ cwd: workdir, mcpServers: [] }) + const res = await client.prompt({ + sessionId, + prompt: [{ type: 'text', text: `Use the bash tool to create the file ${workdir}/escalated.txt containing exactly "ACP_ESCALATION_OK". ` + + 'If the sandbox denies it, retry once with sandbox_permissions and a one-sentence justification, then stop.' }], + }) + expect(['end_turn', 'max_tokens']).toContain(res.stopReason) + + // The WORLD: the approved escalated retry landed the write read-only denied. + const proof = await readFile(join(workdir, 'escalated.txt'), 'utf8') + expect(proof).toContain('ACP_ESCALATION_OK') + + // The CHANNEL: the grant came through a real session/request_permission + // prompt attached to the escalating tool call, offering exactly the + // one-shot options. + expect(permissionRequests.length).toBeGreaterThan(0) + const prompt = permissionRequests[0] + if (prompt === undefined) throw new Error('expected a permission request') + expect(prompt.sessionId).toBe(sessionId) + expect(typeof prompt.toolCall.toolCallId).toBe('string') + expect(prompt.options.map(o => o.optionId).sort()).toEqual(['allow-once', 'reject-once']) + }, 240_000) + + it('a rejected escalation stays denied: no write lands, the turn still ends', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-e2e-')) + spawned = spawnSandboxAcpAgent(workdir, 'reject-once') + const { client, permissionRequests } = spawned + + await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await client.newSession({ cwd: workdir, mcpServers: [] }) + const res = await client.prompt({ + sessionId, + prompt: [{ type: 'text', text: `Use the bash tool to create the file ${workdir}/refused.txt containing "NO". ` + + 'If the sandbox denies it, retry once with sandbox_permissions and a one-sentence justification. If that is rejected, stop and say so.' }], + }) + expect(['end_turn', 'max_tokens']).toContain(res.stopReason) + + // The WORLD: rejected means the file never appeared. + await expect(readFile(join(workdir, 'refused.txt'), 'utf8')).rejects.toThrow() + // And the rejection really flowed through a prompt (not a missing channel). + expect(permissionRequests.length).toBeGreaterThan(0) + }, 240_000) +}) diff --git a/examples/sandbox-acp-agent/tests/snapshots/config-options/input.json b/examples/sandbox-acp-agent/tests/snapshots/config-options/input.json new file mode 100644 index 0000000000..043019b659 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/config-options/input.json @@ -0,0 +1,10 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "setConfigOption", "configId": "sandbox-mode", "value": "workspace-write" }, + { "op": "setConfigOption", "configId": "approval-policy", "value": "never" }, + { "op": "setConfigOptionExpectError", "configId": "sandbox-mode", "value": "yolo" }, + { "op": "setConfigOptionExpectError", "configId": "reasoning-effort", "value": "max" } + ] +} diff --git a/examples/sandbox-acp-agent/tests/snapshots/config-options/session.jsonl b/examples/sandbox-acp-agent/tests/snapshots/config-options/session.jsonl new file mode 100644 index 0000000000..a6f73319bc --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/config-options/session.jsonl @@ -0,0 +1 @@ +{"type":"session","version":0,"id":"00000000-0000-0000-0000-000000000000","createdAt":0} diff --git a/examples/sandbox-acp-agent/tests/snapshots/config-options/stdout.golden.jsonl b/examples/sandbox-acp-agent/tests/snapshots/config-options/stdout.golden.jsonl new file mode 100644 index 0000000000..3fab1e81fa --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/config-options/stdout.golden.jsonl @@ -0,0 +1,6 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentInfo":{"name":"deepseek-harness-acp","version":"0.0.1"},"agentCapabilities":{"loadSession":true,"promptCapabilities":{"image":false,"audio":false,"embeddedContext":false}},"authMethods":[]}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}","configOptions":[{"id":"sandbox-mode","name":"Sandbox","description":"The file sandbox mode bash commands in this session run under.","category":"mode","type":"select","currentValue":"read-only","options":[{"value":"read-only","name":"read-only"},{"value":"workspace-write","name":"workspace-write"},{"value":"danger-full-access","name":"danger-full-access"}]},{"id":"approval-policy","name":"Approvals","description":"ask: permission prompts reach you; never: they are rejected automatically.","type":"select","currentValue":"ask","options":[{"value":"ask","name":"ask"},{"value":"never","name":"never"}]}]}} +{"jsonrpc":"2.0","id":3,"result":{"configOptions":[{"id":"sandbox-mode","name":"Sandbox","description":"The file sandbox mode bash commands in this session run under.","category":"mode","type":"select","currentValue":"workspace-write","options":[{"value":"read-only","name":"read-only"},{"value":"workspace-write","name":"workspace-write"},{"value":"danger-full-access","name":"danger-full-access"}]},{"id":"approval-policy","name":"Approvals","description":"ask: permission prompts reach you; never: they are rejected automatically.","type":"select","currentValue":"ask","options":[{"value":"ask","name":"ask"},{"value":"never","name":"never"}]}]}} +{"jsonrpc":"2.0","id":4,"result":{"configOptions":[{"id":"sandbox-mode","name":"Sandbox","description":"The file sandbox mode bash commands in this session run under.","category":"mode","type":"select","currentValue":"workspace-write","options":[{"value":"read-only","name":"read-only"},{"value":"workspace-write","name":"workspace-write"},{"value":"danger-full-access","name":"danger-full-access"}]},{"id":"approval-policy","name":"Approvals","description":"ask: permission prompts reach you; never: they are rejected automatically.","type":"select","currentValue":"never","options":[{"value":"ask","name":"ask"},{"value":"never","name":"never"}]}]}} +{"jsonrpc":"2.0","id":5,"error":{"code":-32602,"message":"Invalid params: unknown sandbox-mode value \"yolo\""}} +{"jsonrpc":"2.0","id":6,"error":{"code":-32602,"message":"Invalid params: unknown config option \"reasoning-effort\""}} diff --git a/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/input.json b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/input.json new file mode 100644 index 0000000000..4cfa610f55 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/input.json @@ -0,0 +1,10 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "prompt", "text": "The sandbox already denied writing escalated.txt in this workspace earlier. Retry it now exactly once: one single bash call with the command printf 'escalated\\n' > escalated.txt && cat escalated.txt, with sandbox_permissions set to workspace-write and the justification 'the user asked to write escalated.txt in the workspace'. Do not run it without sandbox_permissions first. I will approve the permission prompt. After the result, reply with the single word DONE and stop." } + ], + "permissionAnswers": [ + { "kind": "allow_once" } + ] +} diff --git a/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl new file mode 100644 index 0000000000..a754c516c9 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl @@ -0,0 +1,149 @@ +{"type":"session","version":0,"id":"8f399407-f505-45e5-9058-0994ff7b0865","createdAt":1783486769425,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-xKPr5d"} +{"type":"turn/start","seq":0,"time":1783486769426,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783486769426,"data":{"content":[{"type":"text","text":"The sandbox already denied writing escalated.txt in this workspace earlier. 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sandbox already denied writing escalated.txt in this workspace earlier. 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Then reply with the single word DONE and stop." }, + { "op": "setConfigOption", "configId": "sandbox-mode", "value": "workspace-write" }, + { "op": "prompt", "text": "Use the bash tool to run exactly this one command in a single call: printf 'switched\\n' > out.txt && cat out.txt. Then reply with the single word DONE and stop." }, + { "op": "setConfigOption", "configId": "approval-policy", "value": "never" }, + { "op": "prompt", "text": "Without using any tools, state your current approval policy in one short sentence and stop." } + ] +} diff --git a/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl new file mode 100644 index 0000000000..97282f0c8a --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl @@ -0,0 +1,245 @@ +{"type":"session","version":0,"id":"eee406bd-e76b-4d87-8fb7-0ffa2dc94fe6","createdAt":1783613224994,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-mNdf7I"} +{"type":"turn/start","seq":0,"time":1783613224997,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783613224997,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: cat notes.txt. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783613224997,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783613224997,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-mNdf7I. Your bash tool runs under a file sandbox — a\n`[sandbox: file access denied …]` result is policy, not a command bug.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. 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When a command IS denied and a wider mode would let it succeed, escalate immediately in the SAME turn — the ONE sanctioned exception to a denial: retry the exact same command once with `sandbox_permissions` (the narrowest wider mode that suffices) plus a one-sentence `justification`. Do not detour through chat to ask permission first — the approval prompt raised by that retry IS how the user consents. If the session states approval prompts are disabled, there is no exception: a denial is final — do not set `sandbox_permissions`. Never escalate speculatively: ground the request in a real denial — normally the one THIS command just hit; escalating up front is fine only when this session already denied the same access. 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" rejected"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"."}}}} +{"jsonrpc":"2.0","id":7,"result":{"stopReason":"end_turn"}} diff --git a/examples/sandbox-acp-agent/tests/snapshots/mode-switching/workspace/notes.txt b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/workspace/notes.txt new file mode 100644 index 0000000000..a6eda7f939 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/workspace/notes.txt @@ -0,0 +1 @@ +hello from the sandboxed workspace diff --git a/knip.json b/knip.json index c0c202a221..296894e877 100644 --- a/knip.json +++ b/knip.json @@ -1,8 +1,8 @@ { "$schema": "https://unpkg.com/knip@5/schema.json", "exclude": ["duplicates"], - "ignoreWorkspaces": ["vendor/*"], "ignoreBinaries": ["bwrap", "sandbox-exec"], + "ignoreWorkspaces": ["vendor/*"], "workspaces": { ".": { "entry": [ @@ -15,6 +15,10 @@ ], "project": ["scripts/**/*.ts", "examples/**/*.ts"] }, + "packages/*/*": { + "entry": ["tests/**/*.spec.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, "packages/bash/bash-sandbox": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] @@ -23,10 +27,6 @@ "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, - "packages/*/*": { - "entry": ["tests/**/*.spec.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"] - }, "packages/util/brand": { "project": ["src/**/*.ts"], "ignoreDependencies": ["cordis"] diff --git a/package.json b/package.json index c4cc307893..d3c05dae78 100644 --- a/package.json +++ b/package.json @@ -68,6 +68,7 @@ "demo:code-mode": "node scripts/demo-code-mode.mjs", "demo:cordis": "node --expose-internals --import tsx packages/ui/stdio-agent/src/bin.ts examples/cordis-agent/cordis.yml", "demo:acp": "node --import tsx packages/ui/acp-agent/src/bin.ts examples/acp-agent/cordis.yml", + "demo:sandbox-acp": "node --import tsx packages/ui/acp-agent/src/bin.ts examples/sandbox-acp-agent/cordis.yml", "postinstall": "node scripts/install-lefthook.mjs" }, "devDependencies": { diff --git a/packages/approval/README.md b/packages/approval/README.md index 9876646d23..a228c7936f 100644 --- a/packages/approval/README.md +++ b/packages/approval/README.md @@ -1,9 +1,9 @@ # approval/ — approval family -The asking half of permission handling: one seam through which the harness puts a one-shot question — "may this specific action proceed?" — to whatever answerers a deployment composes, with a closed outcome vocabulary and a fail-closed default. The full design: [the approval-seam RFC](../../docs/rfc/proposed/feature/2026-07-06-approval-seam.md). All **product** packages. +The asking half of permission handling: one seam through which the harness puts a one-shot question — "may this specific action proceed?" — to whatever answerers a deployment composes, with a closed outcome vocabulary and a fail-closed default. The full design: [the approval-seam RFC](../../docs/rfc/implemented/feature/2026-07-06-approval-seam.md). All **product** packages. | Package | Role | ctx key | |---|---|---| -| `approval/` | The `ApprovalService` mechanism (waterfall dispatch, cancellation, audit events) + the vocabulary (`ApprovalRequest`, `ApprovalOutcome`, `ApprovalRequestId`) + the per-session policy tier (`ApprovalPolicy` `'ask'`/`'never'`, the `'approval/policy'` event fold, the prepend gate — [sandbox RFC § Per-session mode switching](../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)) | `ctx.approval` | +| `approval/` | The `ApprovalService` mechanism (waterfall dispatch, cancellation, audit events) + the vocabulary (`ApprovalRequest`, `ApprovalOutcome`, `ApprovalRequestId`) + the per-session policy tier (`ApprovalPolicy` `'ask'`/`'never'`, the `'approval/policy'` event fold, the prepend gate — [sandbox RFC § Per-session mode switching](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)) | `ctx.approval` | -Answerers live with their owners, not here: the ACP bridge ([`ui/acp`](../ui/acp/)) answers for the editor sessions it owns (and switches each session's policy over ACP config options); tests answer with inline scripted listeners. Consumers today: [`core/tools`](../core/tools/) routes `tools/pre-execute`'s `ask` through the seam (degrading to deny when it is not mounted), and the bash tool's sandbox escalation gate ([`bash/tool-bash`](../bash/tool-bash/), [sandbox RFC § Escalation](../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). +Answerers live with their owners, not here: the ACP bridge ([`ui/acp`](../ui/acp/)) answers for the editor sessions it owns (and switches each session's policy over ACP config options); tests answer with inline scripted listeners. Consumers today: [`core/tools`](../core/tools/) routes `tools/pre-execute`'s `ask` through the seam (degrading to deny when it is not mounted), and the bash tool's sandbox escalation gate ([`bash/tool-bash`](../bash/tool-bash/), [sandbox RFC § Escalation](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). diff --git a/packages/approval/approval/README.md b/packages/approval/approval/README.md index 4a652b4464..b4f3a293c1 100644 --- a/packages/approval/approval/README.md +++ b/packages/approval/approval/README.md @@ -6,8 +6,8 @@ The contract in one line: `ctx.approval.request(req)` puts exactly one question The service is the mechanism, answerers are the policy. Answerers are `approval/request` waterfall listeners occupying a single decision slot: answer for an agent you own by returning an outcome without calling `next()`, or delegate an agent you don't recognize by calling `next()` — the chain's built-in default is `unavailable`, so a deployment with no answerer (headless, CI) fails closed with zero configuration. Registration order across sibling plugins is not load-order deterministic; compose one terminal answerer per deployment and use `prepend` listeners only for decide-or-delegate gates. -The seam also owns the per-session POLICY tier ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): `ApprovalPolicy` is `'ask'` (delegate to the answerers — the prior behavior exactly) or `'never'` (deterministically reject without prompting anyone; the strict CI/unattended stance), with `effective = fold(the session's 'approval/policy' events, last one wins) ?? Config.policy` — the session log is the store, written only through `setApprovalPolicy(session, policy)`. The service decides `'never'` inside `request()` itself, before dispatching the waterfall (`'never'` → `'rejected'` with the audit pair still landing; no listener registration, including a later `prepend`, can precede it), states `'never'` — and only `'never'` — in a per-agent prompt section (a "you will be prompted" promise under `'ask'` would overclaim what a headless composition can do; the section scope activates only when `systemPrompt` is composed), and narrates a policy switch to the model in at most one coalesced `agent/pre-step` notice, attributed positionally (an override event after the log's last `request/header*` reads `changed by the user`; a config drift reads `changed by the operator/config`). +The seam also owns the per-session POLICY tier ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): `ApprovalPolicy` is `'ask'` (delegate to the answerers — the prior behavior exactly) or `'never'` (deterministically reject without prompting anyone; the strict CI/unattended stance), with `effective = fold(the session's 'approval/policy' events, last one wins) ?? Config.policy` — the session log is the store, written only through `setApprovalPolicy(session, policy)`. The service decides `'never'` inside `request()` itself, before dispatching the waterfall (`'never'` → `'rejected'` with the audit pair still landing; no listener registration, including a later `prepend`, can precede it), states `'never'` — and only `'never'` — in a per-agent prompt section (a "you will be prompted" promise under `'ask'` would overclaim what a headless composition can do; the section scope activates only when `systemPrompt` is composed), and narrates a policy switch to the model in at most one coalesced `agent/pre-step` notice, attributed positionally (an override event after the log's last `request/header*` reads `changed by the user`; a config drift reads `changed by the operator/config`). -One seam serves both ask paths of [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md): the `tools/pre-execute` `ask` decision (routed by [`@deepseek-ai/dsh-tools`](../../core/tools/) when this service is mounted; degrading to deny when it is not), and the sandbox post-denial escalated retry (the bash tool's `sandbox_permissions` gate in [`@deepseek-ai/dsh-tool-bash`](../../bash/tool-bash/) — [the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). The full design: [the approval-seam RFC](../../../docs/rfc/proposed/feature/2026-07-06-approval-seam.md). +One seam serves both ask paths of [the sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md): the `tools/pre-execute` `ask` decision (routed by [`@deepseek-ai/dsh-tools`](../../core/tools/) when this service is mounted; degrading to deny when it is not), and the sandbox post-denial escalated retry (the bash tool's `sandbox_permissions` gate in [`@deepseek-ai/dsh-tool-bash`](../../bash/tool-bash/) — [the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). The full design: [the approval-seam RFC](../../../docs/rfc/implemented/feature/2026-07-06-approval-seam.md). Answerers today: the ACP bridge ([`@deepseek-ai/dsh-acp`](../../ui/acp/)) forwards to the editor's `session/request_permission` prompt for agents it owns. The audit events are log-only session records — the model only ever sees the tool result the asker derives from the outcome. diff --git a/packages/bash/bash-local/README.md b/packages/bash/bash-local/README.md index 069adb3576..1ac8a7d06b 100644 --- a/packages/bash/bash-local/README.md +++ b/packages/bash/bash-local/README.md @@ -27,4 +27,4 @@ Design surveyed against the bash tools of Claude Code, OpenCode, Codex, and pi; ## Sandboxing -Execution policy does NOT belong in this package: this executor always runs commands unconfined. Confinement is [`dsh-bash-sandbox`](../bash-sandbox/README.md), which extends this executor verbatim and confines commands under the `ctx.sandbox` seam's bwrap/Landlock/Seatbelt backends ([sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)); per-call allow/deny/ask policy belongs on the `tools/pre-execute` gate. +Execution policy does NOT belong in this package: this executor always runs commands unconfined. Confinement is [`dsh-bash-sandbox`](../bash-sandbox/README.md), which extends this executor verbatim and confines commands under the `ctx.sandbox` seam's bwrap/Landlock/Seatbelt backends ([sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)); per-call allow/deny/ask policy belongs on the `tools/pre-execute` gate. diff --git a/packages/bash/bash-sandbox/README.md b/packages/bash/bash-sandbox/README.md index 9ceb793e27..2a5ae63b8e 100644 --- a/packages/bash/bash-sandbox/README.md +++ b/packages/bash/bash-sandbox/README.md @@ -14,7 +14,7 @@ Semantics: - **Denials are result facts.** A failed run whose stderr carries the selected backend's own denial dialect — the signatures the provider stamps on every wrap (EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt) — is reported as `BashRunResult.sandbox.denied: true` (conservative classification, read from the collected stderr tail); every CONFINED run also carries the mode it executed under (`result.sandbox.mode`) and the provider's enforcement completeness (`result.sandbox.enforcement`: `full`, or `partial` on an older Landlock ABI). - **Runner failures are sandbox failures, never task failures.** A failed run matching the wrap's `runnerFailureSignatures` (the runner's own error prefix — also what the shell prints for a missing runner) means the sandbox itself broke and the command NEVER RAN; the check outranks denial classification because a runner's error text can contain denial words. The foreground path re-throws it as the structured fail-closed `SANDBOX_UNAVAILABLE` error, with the runner's first stderr line as the cause; a settled background task stamps `task.sandbox.runnerFailed` instead (no error channel remains after settle), which `bash_output` renders as its own marker. -- **Config-time default, per-call policy.** The DEFAULT mode is fixed by this entry's config for the executor's lifetime; `resolve()` stamps it onto every spec, and an explicit request-level `sandboxMode` override — set by the tool layer only for a call whose wider mode a human granted through `ctx.approval` ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)) — makes THAT call run, classify, and report under its own mode while every neighbor keeps the default (background facts are stamped per task at settle). The capability fact `ctx.bash.sandboxMode` reports the configured default so the tool layer advertises escalation only when this executor is mounted. The model learns of the sandbox only through result facts — the static bash tool description explains the denial marker; there is no current-mode statement in the system prompt. +- **Config-time default, per-call policy.** The DEFAULT mode is fixed by this entry's config for the executor's lifetime; `resolve()` stamps it onto every spec, and an explicit request-level `sandboxMode` override — set by the tool layer only for a call whose wider mode a human granted through `ctx.approval` ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)) — makes THAT call run, classify, and report under its own mode while every neighbor keeps the default (background facts are stamped per task at settle). The capability fact `ctx.bash.sandboxMode` reports the configured default so the tool layer advertises escalation only when this executor is mounted. The model learns of the sandbox only through result facts — the static bash tool description explains the denial marker; there is no current-mode statement in the system prompt. - **File effects only.** Network and process visibility are deliberately not restricted — the mode vocabulary does not pretend to cover what the backend does not enforce. - Process mechanics (spawn, process-group kills, output collection/spill, background tasks, credential scrub) are inherited verbatim from [`dsh-bash-local`](../bash-local/); the runner ladder, probes, and the per-platform Landlock launcher packages live with [`dsh-sandbox-local`](../../sandbox/sandbox-local/). diff --git a/packages/bash/bash-sandbox/src/index.ts b/packages/bash/bash-sandbox/src/index.ts index d4f7d867ad..7089f3c239 100644 --- a/packages/bash/bash-sandbox/src/index.ts +++ b/packages/bash/bash-sandbox/src/index.ts @@ -31,7 +31,7 @@ * * Deny-only at the seam, escalation at the tool: a denial is a reported FACT * here, and the one-shot user-approved escalated retry of a denied action - * (docs/rfc/proposed/feature/2026-07-06-sandbox.md) is driven by + * (docs/rfc/implemented/feature/2026-07-06-sandbox.md) is driven by * `dsh-tool-bash` through `ctx.approval` — this executor's contribution is the * per-call `sandboxMode` override it honors in {@link resolve}: an escalated * call runs (and classifies, and reports) under ITS granted mode while every diff --git a/packages/bash/bash/README.md b/packages/bash/bash/README.md index 5a1aff3588..ac7e00c3a3 100644 --- a/packages/bash/bash/README.md +++ b/packages/bash/bash/README.md @@ -30,7 +30,7 @@ Implementations subclass `BashExecutor`, implement the abstract methods, and cal ## Vocabulary -`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?, sandboxMode?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner, sandboxMode) before execution; `owner` and `sandboxMode` are optional on the request and **required-but-nullable** on the resolved spec, so a forgotten one is a visible `undefined` rather than a silently-absent property. `sandboxMode` is the explicit per-call sandbox-policy input: an escalation grant a human just issued ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md), which outranks) or the session's standing override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)); a sandboxing executor's `resolve()` stamps its configured default when the request carries none, and a non-sandboxing executor carries the field verbatim and confines nothing. +`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?, sandboxMode?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner, sandboxMode) before execution; `owner` and `sandboxMode` are optional on the request and **required-but-nullable** on the resolved spec, so a forgotten one is a visible `undefined` rather than a silently-absent property. `sandboxMode` is the explicit per-call sandbox-policy input: an escalation grant a human just issued ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md), which outranks) or the session's standing override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)); a sandboxing executor's `resolve()` stamps its configured default when the request carries none, and a non-sandboxing executor carries the field verbatim and confines nothing. The seam also owns the per-session mode override vocabulary (the sandbox RFC § Per-session mode switching): the log-only `'bash/sandbox-mode'` session event, the pure fold `effectiveSandboxMode(events)` (last event wins; `undefined` means "apply the executor default"), and THE write path `setSandboxMode(session, mode)` — the session log is the store, so an override survives restart by replay and two sessions can never see each other's mode. Writers must respect turn-enclosure: the ACP bridge anchors an idle switch at the next turn rather than appending between turns. The task id (`BashTaskId`) and the `owner` token (`OwnerToken`) are [branded](../../util/brand) — `OwnerToken` is a DISTINCT brand from `SessionId` (the seam never imports `dsh-session`; the `dsh-tool-bash` consumer is the single boundary that casts its `SessionId` into one). `run()` returns `BashRunResult` (exitCode, signal, timedOut, aborted, timeoutMs, stdout/stderr as `CollectedOutput`) and `start()`/`readOutput()` use `BashTask`/`BashTaskRead` for the background side. A sandboxing executor additionally stamps `sandbox` result facts on results and settled tasks (`BashSandboxInfo`: the mode it executed under, the conservative `denied` classification, and — for confined modes — the backend's `enforcement` completeness); the mode/enforcement vocabulary is owned by the [`dsh-sandbox`](../../sandbox/sandbox/) seam, and the facts are documented in [core-data-structures/bash.md](../../../docs/core-data-structures/bash.md). See `src/types.ts` for the full contracts. diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md index 1d2b646add..952550fafc 100644 --- a/packages/bash/tool-bash/README.md +++ b/packages/bash/tool-bash/README.md @@ -52,8 +52,8 @@ The `BashExecRequest` seam carries optional `stdin` and `env`, used by the hooks Commands run with the executor's full authority unless a sandboxing executor ([`dsh-bash-sandbox`](../bash-sandbox/)) confines them — the deny-only sandbox reports denials as result facts, rendered here as the denial marker; per-call allow/deny/ask policy is the `tools/pre-execute` waterfall (see docs/architecture.md). -On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../approval/approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the session's effective mode), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. +On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../approval/approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the session's effective mode), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. ## Per-session mode switching -Under a sandboxing executor this plugin makes the session's standing mode override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md); the `bash/sandbox-mode` fold owned by [`dsh-bash`](../bash/README.md)) real at EXECUTION: every call is stamped `escalation grant > session override > undefined` onto `BashExecRequest.sandboxMode`; without either, the executor's `resolve()` applies its configured default. Nothing is stamped under a non-sandboxing executor (nothing would honor it) or for an agent-less caller (no session to fold). The prompt deliberately does NOT state the mode and a switch is not narrated: a standing declaration teaches the model to refuse preemptively, while the denial marker already names the mode the command ran under exactly when the boundary is hit — behavior, not belief, carries the state. +Under a sandboxing executor this plugin makes the session's standing mode override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md); the `bash/sandbox-mode` fold owned by [`dsh-bash`](../bash/README.md)) real at EXECUTION: every call is stamped `escalation grant > session override > undefined` onto `BashExecRequest.sandboxMode`; without either, the executor's `resolve()` applies its configured default. Nothing is stamped under a non-sandboxing executor (nothing would honor it) or for an agent-less caller (no session to fold). The prompt deliberately does NOT state the mode and a switch is not narrated: a standing declaration teaches the model to refuse preemptively, while the denial marker already names the mode the command ran under exactly when the boundary is hit — behavior, not belief, carries the state. diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index 25775a26b7..3b30e37057 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -36,7 +36,7 @@ * docs/architecture.md § Extension And Composition. Under a sandboxing * executor this plugin also advertises the ESCALATION surface * (`sandbox_permissions`/`justification` — the sandbox RFC § Escalation, - * docs/rfc/proposed/feature/2026-07-06-sandbox.md): a command the + * docs/rfc/implemented/feature/2026-07-06-sandbox.md): a command the * sandbox denied may be retried once under a strictly wider mode, resolved * through `ctx.approval` BEFORE anything executes and failing closed on every * unanswerable path. The fields exist only when the mounted executor reports diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index 68fd63ae25..d188f6579b 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -73,6 +73,13 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ 'list(): Agent[]', ], }, + { + key: 'approval', + summary: 'The `ctx.approval` service: dispatches ApprovalRequests to the `approval/request` waterfall and audits every ask/outcome pair to the requesting agent\'s session log.', + methods: [ + 'async request(req: ApprovalRequest): Promise', + ], + }, { key: 'bash', summary: 'Abstract bash execution service.', @@ -125,6 +132,13 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ 'stream(options: GenerateOptions): AsyncIterable', ], }, + { + key: 'sandbox', + summary: 'Abstract process-sandbox service.', + methods: [ + 'abstract confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv', + ], + }, { key: 'sessionPersistence', summary: 'Abstract durable session-persistence service.', @@ -279,6 +293,12 @@ export const EVENT_API: readonly EventApiEntry[] = [ signature: '\'agent/turn-continuation\'(agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise): Promise', summary: 'Waterfall: override the turn-continuation decision via a typed ContinuationDecision.', }, + { + name: 'approval/request', + mode: 'waterfall', + signature: '\'approval/request\'(this: ApprovalService, req: ApprovalRequest, next: () => Promise): Promise', + summary: 'Waterfall asking the composed answerers to decide one approval request.', + }, { name: 'fs/edit-intent', mode: 'waterfall', @@ -445,6 +465,14 @@ export const TYPE_API: readonly TypeApiEntry[] = [ name: 'AgentStatus', declaration: 'export type AgentStatus = \'idle\' | \'running\' | \'disposed\';', }, + { + name: 'ApprovalOutcome', + declaration: 'export type ApprovalOutcome = \'allowed-once\' | \'rejected\' | \'cancelled\' | \'unavailable\';', + }, + { + name: 'ApprovalRequest', + declaration: 'export interface ApprovalRequest {\n agent: Agent;\n toolName: string;\n callId?: CallId;\n reason?: string;\n signal?: AbortSignal;\n}', + }, { name: 'AskUserQuestionAnswer', declaration: 'export interface AskUserQuestionAnswer {\n answers: AskUserQuestionAnswerItem[];\n}', @@ -475,19 +503,23 @@ export const TYPE_API: readonly TypeApiEntry[] = [ }, { name: 'BashExecRequest', - declaration: 'export interface BashExecRequest {\n command: string;\n workdir?: string | undefined;\n timeoutMs?: number | undefined;\n signal?: AbortSignal | undefined;\n stdin?: string | undefined;\n env?: Record | undefined;\n owner?: OwnerToken | undefined;\n}', + declaration: 'export interface BashExecRequest {\n command: string;\n workdir?: string | undefined;\n timeoutMs?: number | undefined;\n signal?: AbortSignal | undefined;\n stdin?: string | undefined;\n env?: Record | undefined;\n owner?: OwnerToken | undefined;\n sandboxMode?: SandboxMode | undefined;\n}', }, { name: 'BashExecSpec', - declaration: 'export interface BashExecSpec {\n command: string;\n workdir: string;\n timeoutMs: number;\n signal?: AbortSignal | undefined;\n stdin?: string | undefined;\n env?: Record | undefined;\n owner: OwnerToken | undefined;\n}', + declaration: 'export interface BashExecSpec {\n command: string;\n workdir: string;\n timeoutMs: number;\n signal?: AbortSignal | undefined;\n stdin?: string | undefined;\n env?: Record | undefined;\n owner: OwnerToken | undefined;\n sandboxMode: SandboxMode | undefined;\n}', }, { name: 'BashRunResult', - declaration: 'export interface BashRunResult {\n exitCode: number | null;\n signal: NodeJS.Signals | null;\n timedOut: boolean;\n aborted: boolean;\n timeoutMs: number;\n stdout: CollectedOutput;\n stderr: CollectedOutput;\n}', + declaration: 'export interface BashRunResult {\n exitCode: number | null;\n signal: NodeJS.Signals | null;\n timedOut: boolean;\n aborted: boolean;\n timeoutMs: number;\n stdout: CollectedOutput;\n stderr: CollectedOutput;\n sandbox?: BashSandboxInfo;\n}', + }, + { + name: 'BashSandboxInfo', + declaration: 'export interface BashSandboxInfo {\n mode: SandboxMode;\n denied: boolean;\n enforcement?: SandboxEnforcement;\n runnerFailed?: boolean;\n}', }, { name: 'BashTask', - declaration: 'export interface BashTask {\n readonly id: BashTaskId;\n readonly command: string;\n status: BashTaskStatus;\n exitCode: number | null;\n signal: NodeJS.Signals | null;\n readonly done: Promise;\n}', + declaration: 'export interface BashTask {\n readonly id: BashTaskId;\n readonly command: string;\n status: BashTaskStatus;\n exitCode: number | null;\n signal: NodeJS.Signals | null;\n readonly done: Promise;\n sandbox?: BashSandboxInfo;\n}', }, { name: 'BashTaskId', @@ -549,6 +581,14 @@ export const TYPE_API: readonly TypeApiEntry[] = [ name: 'CompactionResult', declaration: 'export interface CompactionResult {\n startSeq: number;\n summarySeq: number;\n endSeq: number;\n summary: ContentBlock[];\n shadowedRange: {\n start: number;\n end: number;\n };\n shadowedSeqs: number[];\n shadowedTokenCount: number;\n}', }, + { + name: 'ConfinedArgv', + declaration: 'export interface ConfinedArgv {\n argv: string[];\n enforcement: SandboxEnforcement;\n denialSignatures: readonly string[];\n runnerFailureSignatures: readonly string[];\n}', + }, + { + name: 'ConfinedSandboxMode', + declaration: 'export type ConfinedSandboxMode = Exclude;', + }, { name: 'ContentBlockMap', declaration: 'export interface ContentBlockMap {\n \'text\': TextBlock;\n \'reasoning\': ReasoningBlock;\n \'tool-call\': ToolCallBlock;\n \'tool-result\': ToolResultBlock;\n}', @@ -673,6 +713,18 @@ export const TYPE_API: readonly TypeApiEntry[] = [ name: 'ResumeAgentOptions', declaration: 'export interface ResumeAgentOptions {\n agentId: AgentId;\n resumeSessionId: SessionId;\n agentOptions?: AgentOptions;\n}', }, + { + name: 'SandboxEnforcement', + declaration: 'export type SandboxEnforcement = \'full\' | \'partial\';', + }, + { + name: 'SandboxMode', + declaration: 'export type SandboxMode = \'read-only\' | \'workspace-write\' | \'danger-full-access\';', + }, + { + name: 'SandboxPolicy', + declaration: 'export interface SandboxPolicy {\n mode: ConfinedSandboxMode;\n workspaceRoot: string;\n}', + }, { name: 'SendOptions', declaration: 'export interface SendOptions {\n source?: MessageSource;\n}', diff --git a/packages/sandbox/README.md b/packages/sandbox/README.md index bc535bbc8a..9e104192d1 100644 --- a/packages/sandbox/README.md +++ b/packages/sandbox/README.md @@ -7,6 +7,6 @@ The confinement half of the [capability-seam split](../../docs/rfc/implemented/a | `sandbox/` | Abstract process-sandbox seam (the `SandboxProvider` contract + the mode/enforcement/policy vocabulary) | `ctx.sandbox` | | `sandbox-local/` | Local backends by platform chain: Linux `bwrap` else the `landlock-run` launcher (the npm-distributed [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) family, built and released from its own repository), darwin `sandbox-exec`/Seatbelt — multi-candidate chains functionally probed, sole candidates selected directly, verdict cached, fail-closed | (registers `ctx.sandbox`) | -The seam confines SAME-WORLD subprocesses only (shared filesystem and kernel). Containers, microVMs, and remote executors are NOT backends here — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups; the boundary is recorded in [the sandbox RFC](../../docs/rfc/proposed/feature/2026-07-06-sandbox.md). +The seam confines SAME-WORLD subprocesses only (shared filesystem and kernel). Containers, microVMs, and remote executors are NOT backends here — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups; the boundary is recorded in [the sandbox RFC](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). -The staged first consumer is the sandboxed bash executor (it hands over the exact `['bash', '-c', command]` argv it is about to spawn). In-process tools (fs/web) cannot be confined by an OS wrapper — their sandbox semantics are policy at their own seams (the sandbox RFC's cross-family phase). +Consumers today: [`bash/bash-sandbox`](../bash/bash-sandbox/) (wraps `['bash', '-c', command]`; see [examples/sandbox-acp-agent](../../examples/sandbox-acp-agent/) for the composed leaf). In-process tools (fs/web) cannot be confined by an OS wrapper — their sandbox semantics are policy at their own seams (the sandbox RFC's cross-family phase). diff --git a/packages/sandbox/sandbox-local/README.md b/packages/sandbox/sandbox-local/README.md index c4ca758aee..abf7511438 100644 --- a/packages/sandbox/sandbox-local/README.md +++ b/packages/sandbox/sandbox-local/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-sandbox-local -Local implementation of the [`@deepseek-ai/dsh-sandbox`](../sandbox/) seam: wraps a caller's argv in a platform confinement runner. Selection is BY PLATFORM, resolved once and cached: each platform names its runner chain, a chain of one is selected directly (probing arbitrates between candidates — a sole candidate leaves nothing to arbitrate), and a chain of several is probed functionally in preference order. Linux: [`bwrap`](https://github.com/containers/bubblewrap) when its probe passes, else the [`landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) Landlock launcher (kernel confinement that needs no userns/mount privileges — see the [sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md) for the prebuilt-binary decision and profile-parity notes); darwin: `sandbox-exec` speaking a Seatbelt (SBPL) profile, unprobed. A platform with no chain means `confine()` FAILS CLOSED with the seam's structured `SANDBOX_UNAVAILABLE` error (win32 today: a reserved, deliberately empty chain awaiting an AppContainer-family runner); an unprobed runner that turns out unusable fails closed at EXECUTION instead — it refuses to run the command, and every wrap's `runnerFailureSignatures` let the consumer classify that as a sandbox failure rather than a task failure. Never a silent unconfined passthrough on any path. +Local implementation of the [`@deepseek-ai/dsh-sandbox`](../sandbox/) seam: wraps a caller's argv in a platform confinement runner. Selection is BY PLATFORM, resolved once and cached: each platform names its runner chain, a chain of one is selected directly (probing arbitrates between candidates — a sole candidate leaves nothing to arbitrate), and a chain of several is probed functionally in preference order. Linux: [`bwrap`](https://github.com/containers/bubblewrap) when its probe passes, else the [`landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) Landlock launcher (kernel confinement that needs no userns/mount privileges — see the [sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md) for the prebuilt-binary decision and profile-parity notes); darwin: `sandbox-exec` speaking a Seatbelt (SBPL) profile, unprobed. A platform with no chain means `confine()` FAILS CLOSED with the seam's structured `SANDBOX_UNAVAILABLE` error (win32 today: a reserved, deliberately empty chain awaiting an AppContainer-family runner); an unprobed runner that turns out unusable fails closed at EXECUTION instead — it refuses to run the command, and every wrap's `runnerFailureSignatures` let the consumer classify that as a sandbox failure rather than a task failure. Never a silent unconfined passthrough on any path. Policy is per call (`SandboxPolicy`: mode + workspace root); the provider holds only the mechanism and the cached ladder verdict. Every wrap reports the selected runner's `enforcement` (`full`, or `partial` on an older Landlock ABI that governs only a subset of accesses — read from the launcher's `--probe` report line) and its `denialSignatures` — the stderr dialect that rung's kernel speaks on a denied file effect (EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt), which stderr-inferring consumers match instead of a cross-runner union. A non-empty `runnerCommand` config is the operator's assertion of a runner that fully enforces the bwrap-shaped profile: the ladder and probes are skipped (the wrap carries both Linux denial dialects, the mechanism being unknown) — also the deterministic fake-runner seam for keyless test tiers. Its runner-failure dialect is the OUTER shell's argv0-scoped failure shapes (`exec: : not found`, `: No such file or directory`, `: Permission denied`) — the consumer re-joins the wrap through `bash -c 'exec …'`, so a missing or unexecutable configured runner classifies as a sandbox failure (fail closed at execution), never as a failing command or a denial. `probeTimeoutMs` (default 5000) bounds each functional probe, the escape hatch for hosts slow enough that a timed-out probe would otherwise misread as `SANDBOX_UNAVAILABLE`. @@ -15,4 +15,4 @@ Every rung has its keyless world-proof (`tests/bwrap.e2e.ts`, `tests/landlock.e2 name: '@deepseek-ai/dsh-sandbox-local' ``` -The staged first consumer is the sandboxed bash executor. +Consumers: [`@deepseek-ai/dsh-bash-sandbox`](../../bash/bash-sandbox/); see [`examples/sandbox-acp-agent`](../../../examples/sandbox-acp-agent/) for the runnable composition. diff --git a/packages/sandbox/sandbox-local/src/index.ts b/packages/sandbox/sandbox-local/src/index.ts index 01189bc78b..2a75a16d2d 100644 --- a/packages/sandbox/sandbox-local/src/index.ts +++ b/packages/sandbox/sandbox-local/src/index.ts @@ -9,7 +9,7 @@ * `bwrap`, else the `landlock-run` Landlock launcher (kernel confinement * that needs no userns/mount privileges; distributed as the npm package * family `node-addon-landlock-run` — the decision recorded in - * docs/rfc/proposed/feature/2026-07-06-sandbox.md); darwin: macOS + * docs/rfc/implemented/feature/2026-07-06-sandbox.md); darwin: macOS * `sandbox-exec` speaking a Seatbelt (SBPL) profile, unprobed. * When the platform has no chain or no candidate passes, * {@link LocalSandboxProvider.confine} FAILS CLOSED with the seam's diff --git a/packages/sandbox/sandbox/README.md b/packages/sandbox/sandbox/README.md index c63b9da5de..ef381625b2 100644 --- a/packages/sandbox/sandbox/README.md +++ b/packages/sandbox/sandbox/README.md @@ -6,6 +6,6 @@ The contract in one line: `ctx.sandbox.confine(argv, policy)` returns the argv t Policy rides the call, not the provider: two consumers may confine under different policies at the same instant (bash under `read-only` while a confined child agent keeps its state directory writable), and an approved escalated retry is just a new call with a wider policy. -**Same-world confinement only.** A backend shares the host's filesystem and kernel (`bwrap`, Landlock, Seatbelt); `workspaceRoot` names a real host path. Containers, microVMs, and remote executors are NOT backends of this seam — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups. The boundary and its rationale: [the sandbox RFC](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md). +**Same-world confinement only.** A backend shares the host's filesystem and kernel (`bwrap`, Landlock, Seatbelt); `workspaceRoot` names a real host path. Containers, microVMs, and remote executors are NOT backends of this seam — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups. The boundary and its rationale: [the sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). -Implementations: [`@deepseek-ai/dsh-sandbox-local`](../sandbox-local/) (Linux: `bwrap`, else the per-platform Landlock launcher; macOS: `sandbox-exec`/Seatbelt). The staged first consumer is the sandboxed bash executor (wrapping `['bash', '-c', command]`). +Implementations: [`@deepseek-ai/dsh-sandbox-local`](../sandbox-local/) (Linux: `bwrap`, else the per-platform Landlock launcher; macOS: `sandbox-exec`/Seatbelt). Consumers: [`@deepseek-ai/dsh-bash-sandbox`](../../bash/bash-sandbox/) (wraps `['bash', '-c', command]`). diff --git a/packages/sandbox/sandbox/src/index.ts b/packages/sandbox/sandbox/src/index.ts index 43ee8f3d16..55b9da4540 100644 --- a/packages/sandbox/sandbox/src/index.ts +++ b/packages/sandbox/sandbox/src/index.ts @@ -7,7 +7,7 @@ * npm-distributed `landlock-run` launcher, macOS `sandbox-exec`/Seatbelt) is * the first. * Consumers hand over the exact argv they are about to spawn - * (the staged bash executor wraps `['bash', '-c', command]`; a + * (`@deepseek-ai/dsh-bash-sandbox` wraps `['bash', '-c', command]`; a * subagent backend wraps its child-agent argv) and spawn the returned argv * instead. * @@ -17,7 +17,7 @@ * backends of this seam — they are sibling implementations of whole * capability seams (`ctx.bash`, `ctx.fs`), deployed as environment-coherent * groups; the boundary is recorded in - * docs/rfc/proposed/feature/2026-07-06-sandbox.md. + * docs/rfc/implemented/feature/2026-07-06-sandbox.md. * * @module @deepseek-ai/dsh-sandbox */ diff --git a/packages/support/acp-snapshot/src/suite.ts b/packages/support/acp-snapshot/src/suite.ts index 53e05d7876..0508b37e13 100644 --- a/packages/support/acp-snapshot/src/suite.ts +++ b/packages/support/acp-snapshot/src/suite.ts @@ -95,6 +95,15 @@ export interface Scenario { * Defaults to false. */ pinsHeader?: boolean + /** + * How many `request/header-delta` events this PINNING scenario's fixture + * legitimately carries (default 0). A recorded mid-run header change — a + * config-option switch rewriting a prompt section — is part of the pinned + * surface, committed verbatim like the header itself; any OTHER count + * still fails, so fixture rot stays caught. Meaningless off the pin (the + * live uniformity guard keeps non-pinning scenarios delta-free). + */ + expectedHeaderDeltas?: number /** * Which header-composition class this scenario belongs to. Scenarios that * boot the same config compose the same header; each class has exactly one @@ -406,17 +415,19 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { } }) - it('every pinning fixture carries exactly one request/header and no deltas', async () => { + it('every pinning fixture carries exactly one request/header and its declared deltas', async () => { // The live uniformity guard runs only in NON-pinning scenarios, so a // class made of just its pinning scenario would otherwise accept a - // re-recorded pin with several headers or a mid-run header-delta — - // shapes the pin design cannot represent. Assert the committed pins - // directly. + // re-recorded pin with several headers or an undeclared mid-run + // header-delta — shapes the pin design cannot represent. Assert the + // committed pins directly; a scenario whose arc legitimately rewrites + // a prompt section declares the exact count via expectedHeaderDeltas. for (const scenario of pinningByClass.values()) { const fixture = await readFile(join(snapshotsDir, scenario.name, 'session.jsonl'), 'utf8') const headers = normalizedHeaders(fixture, fixtureContext(fixture)) expect(headers.length, `${scenario.name}: a pinning fixture must carry exactly one request/header`).toBe(1) - expect(headerDeltaCount(fixture), `${scenario.name}: a pinning fixture must carry no request/header-delta`).toBe(0) + expect(headerDeltaCount(fixture), `${scenario.name}: a pinning fixture must carry exactly its declared request/header-deltas`) + .toBe(scenario.expectedHeaderDeltas ?? 0) } }) diff --git a/packages/ui/acp/README.md b/packages/ui/acp/README.md index 8facac9e0d..1a547d3e4a 100644 --- a/packages/ui/acp/README.md +++ b/packages/ui/acp/README.md @@ -40,7 +40,7 @@ The bridge multiplexes N sessions over one connection. Live sessions are held in ## Session config options -The bridge advertises one independent `select` per composable knob in the `session/new`/`session/load` responses — `sandbox-mode` (`read-only`/`workspace-write`/`danger-full-access`, category `mode`) iff the mounted executor confines (`ctx.get('bash')?.sandboxMode` defined), `approval-policy` (`ask`/`never`) iff the approval seam is composed — with each session's `currentValue` folded from its OWN log (`effectiveSandboxMode`/`effectiveApprovalPolicy` ?? the composition default), so `session/load` reports a resumed session's overrides with no catch-up machinery. `session/set_config_option` validates the value against the same closed vocabulary, routes to the domain's write path (`setSandboxMode`/`setApprovalPolicy` — ONE log-only event on that session's log), and returns the complete refreshed state per the spec. Anchoring honors turn-enclosure: a switch while a turn is open appends immediately (openness read from the LOG — `agent.status` stays `running` between queued turns); an idle switch is held on the session record and anchored at the next turn's `agent/prompt-submit` (inside the turn, before anything assembles, last write per knob — an idle flip-flop anchors as one event), because appending from inside a `session/event` listener would reorder events for later-registered peers. Until anchored the switch lives in bridge memory only: responses overlay it truthfully, and a crash before the next turn reverts it — `session/load` then reports the fold's truth. Design: [the sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md); protocol matrix: [acp-feature-support.md](acp-feature-support.md) § 6. +The bridge advertises one independent `select` per composable knob in the `session/new`/`session/load` responses — `sandbox-mode` (`read-only`/`workspace-write`/`danger-full-access`, category `mode`) iff the mounted executor confines (`ctx.get('bash')?.sandboxMode` defined), `approval-policy` (`ask`/`never`) iff the approval seam is composed — with each session's `currentValue` folded from its OWN log (`effectiveSandboxMode`/`effectiveApprovalPolicy` ?? the composition default), so `session/load` reports a resumed session's overrides with no catch-up machinery. `session/set_config_option` validates the value against the same closed vocabulary, routes to the domain's write path (`setSandboxMode`/`setApprovalPolicy` — ONE log-only event on that session's log), and returns the complete refreshed state per the spec. Anchoring honors turn-enclosure: a switch while a turn is open appends immediately (openness read from the LOG — `agent.status` stays `running` between queued turns); an idle switch is held on the session record and anchored at the next turn's `agent/prompt-submit` (inside the turn, before anything assembles, last write per knob — an idle flip-flop anchors as one event), because appending from inside a `session/event` listener would reorder events for later-registered peers. Until anchored the switch lives in bridge memory only: responses overlay it truthfully, and a crash before the next turn reverts it — `session/load` then reports the fold's truth. Design: [the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md); protocol matrix: [acp-feature-support.md](acp-feature-support.md) § 6. Background-task isolation rides on `dsh-tool-bash`: bash task ids are global and predictable, so each task carries an opaque owner token — the owning agent's `session.header.id` — stored on the task inside the executor (`dsh-bash`'s `ownerOf(id)` seam). `bash_output`/`bash_kill` reject a task whose token differs from the caller's session token, so one session's agent can't read or kill another's task. Ownership is by session TOKEN, not `Agent` object identity — a different `Agent` object on the same session may access the task — and because the token lives on the executor's task it survives a `tool-bash` HMR reload. diff --git a/packages/ui/acp/acp-feature-support.md b/packages/ui/acp/acp-feature-support.md index 0be43b4db6..eb2d5a8fa5 100644 --- a/packages/ui/acp/acp-feature-support.md +++ b/packages/ui/acp/acp-feature-support.md @@ -26,7 +26,7 @@ The bridge implements the **core prompt-turn loop** for N concurrent sessions: i | `session/prompt` | S | ✅ | ✅ | ✅ | Maps to `agent.send`; one in-flight prompt per session; settles on the owning turn's end. | | `session/cancel` | S | ✅ | ✅ | ✅ | Queue-aware `agent.cancel`; settles the in-flight prompt `cancelled`, scoped to the one session. | | `session/set_mode` | S | ❌ | ✅ | ✅ | Session modes deliberately skipped: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry the two orthogonal knobs (see [§6](#6-session-modes--config-options--models)). | -| `session/set_config_option` | S | ✅ | ✅ | ✅ | Two capability-gated selects — `sandbox-mode` (confining executor mounted) and `approval-policy` (approval seam composed); values validated against the domain vocabularies, one log-only event per switch on the session's own log, complete refreshed state in the response ([sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)). | +| `session/set_config_option` | S | ✅ | ✅ | ✅ | Two capability-gated selects — `sandbox-mode` (confining executor mounted) and `approval-policy` (approval seam composed); values validated against the domain vocabularies, one log-only event per switch on the session's own log, complete refreshed state in the response ([sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). | | model selection | S | ❌ | ✅ | ✅ | No distinct stable `session/set_model` — model is the `model`-category `session/set_config_option`. The bridge fixes the model per-bridge via config; no runtime switch. Codex still uses the legacy `unstable_setSessionModel` ext method. | | `session/list` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.list`. The harness HAS `sessionPersistence.list()` (used internally for load-cwd validation) but does not expose it over ACP. | | `session/delete` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.delete`. | @@ -86,7 +86,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | `plan` | S | ❌ | ✅ | ✅ | No agent plan emitted. Both adapters emit real plan entries (Codex's `CodexEventHandler.updatePlan` maps `turn/plan/updated` → `{ sessionUpdate: 'plan', entries }`). | | `available_commands_update` | S | ❌ | ✅ | ✅ | No slash commands advertised. | | `current_mode_update` | S | ❌ | ✅ | ✅ | No session modes. | -| `config_option_update` | S | ❌ | ✅ | ✅ | Config options exist (advertised in `session/new`/`session/load`, switched via `session/set_config_option`), but the bridge never pushes agent-initiated changes — an operator default drift is narrated to the MODEL, not echoed to the editor. Future work in the [sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md). | +| `config_option_update` | S | ❌ | ✅ | ✅ | Config options exist (advertised in `session/new`/`session/load`, switched via `session/set_config_option`), but the bridge never pushes agent-initiated changes — an operator default drift is narrated to the MODEL, not echoed to the editor. Future work in the [sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). | | `usage_update` | S | ❌ | ✅ | ✅ | Token/cost reporting not surfaced (the harness records token usage internally on `assistant/message`). | | `session_info_update` | S | ❌ | ⚠️ | ⚠️ | Session title/metadata not pushed. | @@ -111,7 +111,7 @@ Tool-call presentation is **owned by each tool** (`presentCall` / `presentResult ## 6. Session modes / config options / models -Config options ✅ (the [sandbox RFC § Per-session mode switching](../../../docs/rfc/proposed/feature/2026-07-06-sandbox.md)): the bridge advertises one independent `select` per composable knob — `sandbox-mode` iff the mounted executor confines, `approval-policy` iff the approval seam is composed — with per-session current values folded from each session's own log, and honors `session/set_config_option` end to end (idle switches anchor at the next turn under the turn-enclosure contract). Session MODES stay deliberately unmodeled: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry two orthogonal knobs. Runtime model selection is still not modeled — the harness fixes the model per-bridge via `AcpConfig.model` (both reference adapters ship a model selector). +Config options ✅ (the [sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): the bridge advertises one independent `select` per composable knob — `sandbox-mode` iff the mounted executor confines, `approval-policy` iff the approval seam is composed — with per-session current values folded from each session's own log, and honors `session/set_config_option` end to end (idle switches anchor at the next turn under the turn-enclosure contract). Session MODES stay deliberately unmodeled: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry two orthogonal knobs. Runtime model selection is still not modeled — the harness fixes the model per-bridge via `AcpConfig.model` (both reference adapters ship a model selector). ## 7. Content blocks diff --git a/scripts/doc-budgets.manifest.json b/scripts/doc-budgets.manifest.json index 52f563b86d..2a6456eaf9 100644 --- a/scripts/doc-budgets.manifest.json +++ b/scripts/doc-budgets.manifest.json @@ -1,11 +1,11 @@ { "AGENTS.md": 1802, "docs/AGENTS.md": 1315, - "docs/architecture.md": 1642, + "docs/architecture.md": 1750, "docs/cordis-primer.md": 550, "docs/defensive-patterns.md": 550, "docs/testing.md": 800, - "examples/AGENTS.md": 653, + "examples/AGENTS.md": 705, "packages/AGENTS.md": 450, "packages/README.md": 710 } diff --git a/scripts/gen-config-catalog.ts b/scripts/gen-config-catalog.ts index eca36286ae..1cbcc007bd 100644 --- a/scripts/gen-config-catalog.ts +++ b/scripts/gen-config-catalog.ts @@ -633,11 +633,17 @@ export function collectConfigCatalog(scanRoot: string = root): CatalogEntry[] { const manifests: { dir: string; pkg: string }[] = [] for (const manifestRel of globSync('packages/*/*/package.json', { cwd: scanRoot }).sort()) { const dir = manifestRel.slice(0, -'/package.json'.length) - const pkg = (JSON.parse(readFileSync(resolve(scanRoot, manifestRel), 'utf8')) as { name?: string }).name + const manifest = JSON.parse(readFileSync(resolve(scanRoot, manifestRel), 'utf8')) as { name?: string; os?: string[]; cpu?: string[] } + const pkg = manifest.name if (!pkg) { violations.push(`${manifestRel} has no "name".`) continue } + if (manifest.os !== undefined && manifest.cpu !== undefined) { + // A per-platform native-binary package (npm os/cpu selection) ships no + // JavaScript at all — nothing to classify, no Config to catalog. + continue + } pkgDirByName.set(pkg, dir) manifests.push({ dir, pkg }) } diff --git a/tsconfig.base.json b/tsconfig.base.json index 80becb532c..66565fb080 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -40,10 +40,9 @@ // here. The build graph's project references (tsconfig.build.json) stay // explicit — TS project references have no wildcard form. "@deepseek-ai/dsh-*": [ - "./packages/approval/*/src", "./packages/core/*/src", - "./packages/sandbox/*/src", "./packages/llm/*/src", + "./packages/approval/*/src", "./packages/bash/*/src", "./packages/code-runtime/*/src", "./packages/fs/*/src", @@ -55,6 +54,7 @@ "./packages/timeout/*/src", "./packages/todo/*/src", "./packages/cordis/*/src", + "./packages/sandbox/*/src", "./packages/hooks/*/src", "./packages/session-persistence/*/src", "./packages/ui/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index f5015b0906..814b906d80 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -18,12 +18,9 @@ { "path": "./packages/session-persistence/session-persistence-jsonl" }, { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, - { "path": "./packages/approval/approval" }, - { "path": "./packages/sandbox/sandbox" }, - { "path": "./packages/sandbox/sandbox-local" }, - { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, + { "path": "./packages/approval/approval" }, { "path": "./packages/core/tools" }, { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, @@ -36,6 +33,9 @@ { "path": "./packages/llm/llm-deepseek" }, { "path": "./packages/llm/llm-pi-ai" }, { "path": "./packages/bash/bash-local" }, + { "path": "./packages/sandbox/sandbox" }, + { "path": "./packages/sandbox/sandbox-local" }, + { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/bash/tool-bash" }, { "path": "./packages/fs/fs" }, { "path": "./packages/fs/fs-local" }, diff --git a/tsconfig.json b/tsconfig.json index 59d9c3598a..d581491025 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -29,12 +29,9 @@ { "path": "./packages/session-persistence/session-persistence-jsonl" }, { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, - { "path": "./packages/approval/approval" }, - { "path": "./packages/sandbox/sandbox" }, - { "path": "./packages/sandbox/sandbox-local" }, - { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, + { "path": "./packages/approval/approval" }, { "path": "./packages/core/tools" }, { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, @@ -45,6 +42,9 @@ { "path": "./packages/llm/llm-deepseek" }, { "path": "./packages/llm/llm-pi-ai" }, { "path": "./packages/bash/bash-local" }, + { "path": "./packages/sandbox/sandbox" }, + { "path": "./packages/sandbox/sandbox-local" }, + { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/bash/tool-bash" }, { "path": "./packages/fs/fs" }, { "path": "./packages/fs/fs-local" }, From 6a13dcb364caec44ee9615f46cfa952729049dea Mon Sep 17 00:00:00 2001 From: kingwl Date: Fri, 10 Jul 2026 03:11:40 +0800 Subject: [PATCH 77/90] test(workflow): give the wedged-child waitFors loaded-runner headroom The three wedged-child scenarios busy-spin their worker for 1.5s while the host waits for the start RPC; under a loaded 2-core CI runner (this branch adds several parallel suites) the RPC lands after vi.waitFor default 1s, failing the coverage lane three runs in a row at the same three sites. An explicit 10s waitFor timeout (well inside each test own 15s budget) makes the assertions load-tolerant without weakening them. Belongs upstream with dsh-workflow-workerthread; carried here because it gates this PR. --- .../tests/workflow-workerthread.spec.ts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index ecaeed61f6..38a5435b69 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -602,7 +602,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }, { timeout: 10_000 }) const before = Date.now() await handle.dispose() // Bounded by the grace (plus the terminate), never by the 1.5s spin. @@ -625,7 +625,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }, { timeout: 10_000 }) const handleDispose = handle.dispose() const result = await handle.result // The script itself settled (the wrapper's own dispose RPC found the @@ -663,7 +663,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }, { timeout: 10_000 }) const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! fast.settle(text('fast done')) handle.cancel('stop now') From 62627d7625deee296b564598c3463634c71b4623 Mon Sep 17 00:00:00 2001 From: pku-xht Date: Fri, 10 Jul 2026 16:42:20 +0800 Subject: [PATCH 78/90] fix(subagent-acp): contain onError sink exceptions to keep result from rejecting MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit spec.onError is a caller-supplied callback boundary, but the flattening catch invoked it unguarded: a throwing sink rejected the whole async result, breaking the seam's "result never rejects on a child-level failure" contract (and docs/defensive-patterns.md's contain-callback-exceptions rule). The sink's own throw is now swallowed — named as such — while the original child failure still settles as stopReason 'error'. Regression test drives a spawn failure through a throwing sink and asserts result resolves. Same defect as the codex backend's, fixed there on PR #240; this is the symmetric fix for the already-merged ACP backend. --- packages/subagent/subagent-acp/src/run.ts | 9 +++++++- .../subagent-acp/tests/subagent-acp.spec.ts | 22 +++++++++++++++++++ 2 files changed, 30 insertions(+), 1 deletion(-) diff --git a/packages/subagent/subagent-acp/src/run.ts b/packages/subagent/subagent-acp/src/run.ts index a9fefba27c..9d5b17cb9a 100644 --- a/packages/subagent/subagent-acp/src/run.ts +++ b/packages/subagent/subagent-acp/src/run.ts @@ -89,6 +89,7 @@ export interface AcpRunSpec { * (the seam contract forbids `result` rejecting). The driver calls this with * the original error and the chosen stop reason so the fault is preserved * rather than silently lost; the provider wires it to `ctx.logger.warn`. + * A throw from the sink itself is contained — it cannot reject `result`. * Optional — omitted in a unit test that asserts the stop reason directly. */ onError?: (error: Error, stopReason: SubagentStopReason) => void @@ -336,7 +337,13 @@ export function startAcpRun(request: SubagentStartRequest, spec: AcpRunSpec): Su // (initialize/newSession/prompt transport/RPC errors, or ENOENT), not a // local bug. Flatten to `error` and surface the original via onError so a // real fault is preserved rather than silently lost. - spec.onError?.(toError(error), 'error') + try { + spec.onError?.(toError(error), 'error') + } catch { + // Swallows only the caller-supplied sink's OWN throw: an unguarded + // sink exception would reject `result` and break the contract above. + // The child-level failure being reported still settles as `error`. + } return { output: collectOutput(), stopReason: 'error' } } })() diff --git a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts index 92c025077a..4d8a586c63 100644 --- a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts +++ b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts @@ -483,6 +483,28 @@ describe('dsh-subagent-acp', () => { await run.dispose() }) + it('resolves error (never rejects) even when the onError sink itself throws', async () => { + // onError is a caller-supplied callback boundary: its own exception must be + // contained, or it would reject `result` and break the seam's "result never + // rejects" contract that the flattening above exists to uphold. + const run = startAcpRun( + { prompt: [{ type: 'text', text: 'p' }], parent: fakeParent }, + { + command: '/nonexistent/acp-agent-binary', + args: [], + cwd: process.cwd(), + permission: 'reject', + env: {}, + disposeEofGraceMs: DEFAULT_DISPOSE_EOF_GRACE_MS, + disposeGraceMs: DEFAULT_DISPOSE_GRACE_MS, + onError: () => { throw new Error('sink boom') }, + }, + ) + const result = await run.result + expect(result.stopReason).toBe('error') + await run.dispose() + }) + it('settles aborted when the child crashes (tears the pipe) AFTER a cancel', async () => { // The child hangs, we cancel, and instead of answering the child exits hard // — the pending prompt RPC rejects. With a cancel already requested, the From 64b4e2ed2db6d5a27c1266b5c8bd97c8532929b1 Mon Sep 17 00:00:00 2001 From: pku-xht Date: Fri, 10 Jul 2026 16:43:41 +0800 Subject: [PATCH 79/90] test(workflow-workerthread): flake-proof the lifecycle spec's waits under CI load MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The spec's 16 vi.waitFor sites used the 1s default timeout to wait for worker-thread startup and child registration — CPU-bound work that blows past 1s on a contended runner. The CI coverage lane (4 vitest workers plus suites that spawn real subprocesses) hit this 3 times across 4 recent PR runs, each a different subset of the cancellation/worker-death tests, each green on rerun. Every wait now goes through a shared helper with a 10s bound, and the file sets a 30s test timeout to make room for it. The one deliberately tight wait keeps its 800ms bound through the helper's override — it proves the host (not the wedged worker's later loop turn) delivered the cancel, so a generous bound would erase what it tests. No behavior under test changed. --- .../tests/workflow-workerthread.spec.ts | 52 +++++++++++++------ 1 file changed, 36 insertions(+), 16 deletions(-) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index ecaeed61f6..175a82a7b9 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -15,6 +15,26 @@ function fakeParent(): Agent { return { id: AgentId('workflow-parent'), options: {} } as unknown as Agent } +// Worker-thread startup is CPU-bound (a fresh thread compiles the runtime on +// every start): on a contended CI runner it regularly blows past vitest's 5s +// default test timeout, observed repeatedly on the coverage lane. +vi.setConfig({ testTimeout: 30_000 }) + +/** + * `vi.waitFor` with a contention-proof timeout: the 1s default flaked + * repeatedly on the CI coverage lane, where worker-thread cold start competes + * with three sibling vitest workers for CPU. Every wait in this file is for + * something that WILL happen (a worker starting, a child registering) — a + * generous bound only removes the flake, it cannot mask a genuine hang (the + * file-wide test timeout above still fences those). + * @param assertion - retried until it stops throwing or the timeout elapses. + * @param timeout - override for a wait that must stay deliberately tight. + * @returns resolves when the assertion passes. + */ +function waitFor(assertion: () => void, timeout = 10_000): Promise { + return vi.waitFor(assertion, { timeout, interval: 50 }) +} + /** The vm-context escape hatch, spelled once: real Worker tests use it to make the WORKER misbehave. */ const ESCAPE = "globalThis.constructor.constructor('return process')()" @@ -316,7 +336,7 @@ describe('dsh-workflow-workerthread', () => { const runEnds: WorkflowResultInfo[] = [] ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) const handle = ctx.workflows.start({ ...scripted("return await agent('long job')"), parent }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) handle.cancel('user stopped it') const result = await handle.result expect(result.stopReason).toBe('cancelled') @@ -357,7 +377,7 @@ describe('dsh-workflow-workerthread', () => { const controller = new AbortController() const second = ctx.workflows.start({ ...scripted("return await agent('job')"), parent, signal: controller.signal }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) controller.abort() expect((await second.result).stopReason).toBe('cancelled') await second.dispose() @@ -400,7 +420,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(narration).toContain('started') }) + await waitFor(() => { expect(narration).toContain('started') }) handle.cancel('raced the completion') const result = await handle.result expect(result.stopReason).toBe('cancelled') @@ -480,7 +500,7 @@ describe('dsh-workflow-workerthread', () => { }) const result = await handle.result expect(result.stopReason).toBe('completed') - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) await handle.dispose() // Not a waitFor: by the time dispose() returns, the slow child disposal // must already be complete (host-side registry quiescence). @@ -526,7 +546,7 @@ describe('dsh-workflow-workerthread', () => { expect(result.stopReason).toBe('completed') // BEFORE dispose(): the settlement itself must have aborted the signal — // without it this child would stay live until dispose's terminate. - await vi.waitFor(() => { expect(aborted).toEqual(['workflow settled']) }) + await waitFor(() => { expect(aborted).toEqual(['workflow settled']) }) await handle.dispose() }) @@ -572,9 +592,9 @@ describe('dsh-workflow-workerthread', () => { `), parent: fakeParent(), }) - await vi.waitFor(() => { expect(starts).toBe(1) }) + await waitFor(() => { expect(starts).toBe(1) }) handle.cancel('stop now') - await vi.waitFor(() => { expect(cancelled).toEqual(['stop now']) }, { timeout: 800 }) + await waitFor(() => { expect(cancelled).toEqual(['stop now']) }, 800) // The wedged worker's own completion loses to the in-flight cancel. const result = await handle.result expect(result.stopReason).toBe('cancelled') @@ -602,7 +622,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) const before = Date.now() await handle.dispose() // Bounded by the grace (plus the terminate), never by the 1.5s spin. @@ -625,7 +645,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(1) }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) const handleDispose = handle.dispose() const result = await handle.result // The script itself settled (the wrapper's own dispose RPC found the @@ -663,7 +683,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + await waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! fast.settle(text('fast done')) handle.cancel('stop now') @@ -694,7 +714,7 @@ describe('dsh-workflow-workerthread', () => { ...scripted("await parallel([() => agent('a'), () => agent('b')])\nreturn 'unreachable'"), parent, }) - await vi.waitFor(() => { expect(provider.runs.length).toBe(2) }) + await waitFor(() => { expect(provider.runs.length).toBe(2) }) handle.cancel('user stop') const result = await handle.result expect(result.stopReason).toBe('cancelled') @@ -749,7 +769,7 @@ describe('dsh-workflow-workerthread', () => { // A worker death is a stop reason like any other: workflow/end fires // with the error outcome — for a bus observer it is the only obituary. expect(runEnds).toEqual([{ stopReason: 'error', error: result.error, agentsStarted: 1 }]) - await vi.waitFor(() => { expect(cancelled.length).toBe(1) }) + await waitFor(() => { expect(cancelled.length).toBe(1) }) await handle.dispose() }, 15_000) @@ -770,7 +790,7 @@ describe('dsh-workflow-workerthread', () => { expect(result.stopReason).toBe('error') expect(result.error).toContain('worker blew up') // The reap wound the stray child down (cancel + a CLEAN dispose). - await vi.waitFor(() => { + await waitFor(() => { expect(provider.runs.length).toBe(1) expect(provider.runs[0]!.disposed).toBe(true) }) @@ -802,7 +822,7 @@ describe('dsh-workflow-workerthread', () => { `), parent, }) - await vi.waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + await waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! fast.settle(text('fast done')) const result = await handle.result @@ -837,7 +857,7 @@ describe('dsh-workflow-workerthread', () => { const result = await handle.result expect(result.stopReason).toBe('error') expect(result.error).toContain('exit code 5') - await vi.waitFor(() => { expect(provider.runs[0]!.disposed).toBe(true) }) + await waitFor(() => { expect(provider.runs[0]!.disposed).toBe(true) }) await handle.dispose() }, 15_000) @@ -855,7 +875,7 @@ describe('dsh-workflow-workerthread', () => { }) const logs: string[] = [] ctx.on('workflow/log', (_info, message) => { logs.push(message) }) - await vi.waitFor(() => { expect(logs).toContain('armed') }) + await waitFor(() => { expect(logs).toContain('armed') }) handle.cancel('stop it') // The grace is deliberately huge: only the worker's own death (exit 3, // unreachable by the cancel — the script ignores hooks) settles this. From 0b203534248379b166ebda9783a236960669962f Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Fri, 10 Jul 2026 17:47:11 +0800 Subject: [PATCH 80/90] test(acp): clarify skill snapshot fixture --- examples/acp-agent/tests/acp.snapshot.ts | 2 +- .../tests/snapshots/skill-load/input.json | 2 +- .../snapshots/skill-load/replay.override.json | 28 ------------------- .../tests/snapshots/skill-load/session.jsonl | 14 +++++----- .../snapshots/skill-load/stdout.golden.jsonl | 4 +-- .../.dsh/skills/dsh-skill-creator/SKILL.md | 12 -------- .../.dsh/skills/snapshot-skill/SKILL.md | 7 +++++ 7 files changed, 18 insertions(+), 51 deletions(-) delete mode 100644 examples/acp-agent/tests/snapshots/skill-load/replay.override.json delete mode 100644 examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md create mode 100644 examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/snapshot-skill/SKILL.md diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts index a565d7cd55..0df15f3e5e 100644 --- a/examples/acp-agent/tests/acp.snapshot.ts +++ b/examples/acp-agent/tests/acp.snapshot.ts @@ -36,7 +36,7 @@ const SCENARIOS: Scenario[] = [ { name: 'tool-call-turn', hasModelTurn: true, recorded: true }, { name: 'fs-terminal-card', hasModelTurn: true, recorded: true }, { name: 'todo-plan', hasModelTurn: true, recorded: true }, - { name: 'skill-load', hasModelTurn: true, recorded: false, overridden: true, pinsHeader: true, headerClass: 'skill' }, + { name: 'skill-load', hasModelTurn: true, recorded: false, pinsHeader: true, headerClass: 'skill' }, { name: 'workspace-edit', hasModelTurn: true, recorded: true }, { name: 'fs-read', hasModelTurn: true, recorded: true }, { name: 'fs-write', hasModelTurn: true, recorded: true }, diff --git a/examples/acp-agent/tests/snapshots/skill-load/input.json b/examples/acp-agent/tests/snapshots/skill-load/input.json index f1bc38d5fb..a5ee78bff6 100644 --- a/examples/acp-agent/tests/snapshots/skill-load/input.json +++ b/examples/acp-agent/tests/snapshots/skill-load/input.json @@ -2,6 +2,6 @@ "steps": [ { "op": "initialize" }, { "op": "newSession" }, - { "op": "prompt", "text": "Load the dsh-skill-creator skill with the skill tool, then reply DONE." } + { "op": "prompt", "text": "Load the snapshot-skill skill with the skill tool, then reply DONE." } ] } diff --git a/examples/acp-agent/tests/snapshots/skill-load/replay.override.json b/examples/acp-agent/tests/snapshots/skill-load/replay.override.json deleted file mode 100644 index b79d212caa..0000000000 --- a/examples/acp-agent/tests/snapshots/skill-load/replay.override.json +++ /dev/null @@ -1,28 +0,0 @@ -[ - { - "kind": "chunks", - "chunks": [ - { "type": "block-start", "index": 0, "blockType": "reasoning" }, - { "type": "reasoning-delta", "index": 0, "text": "Load the requested skill." }, - { "type": "block-start", "index": 1, "blockType": "tool-call" }, - { "type": "tool-call-delta", "index": 1, "id": "call_skill_load", "name": "skill", "argumentsDelta": "{\"name\":\"dsh-skill-creator\"}" }, - { "type": "block-end", "index": 0, "block": { "type": "reasoning", "text": "Load the requested skill." } }, - { "type": "block-end", "index": 1, "block": { "type": "tool-call", "id": "call_skill_load", "name": "skill", "arguments": "{\"name\":\"dsh-skill-creator\"}" } }, - { "type": "usage", "usage": { "inputTokens": 100, "outputTokens": 20, "cacheReadTokens": 0, "reasoningTokens": 5 } }, - { "type": "finish", "reason": { "kind": "tool-calls" } } - ] - }, - { - "kind": "chunks", - "chunks": [ - { "type": "block-start", "index": 0, "blockType": "reasoning" }, - { "type": "reasoning-delta", "index": 0, "text": "The skill is loaded." }, - { "type": "block-start", "index": 1, "blockType": "text" }, - { "type": "text-delta", "index": 1, "text": "DONE" }, - { "type": "block-end", "index": 0, "block": { "type": "reasoning", "text": "The skill is loaded." } }, - { "type": "block-end", "index": 1, "block": { "type": "text", "text": "DONE" } }, - { "type": "usage", "usage": { "inputTokens": 180, "outputTokens": 10, "cacheReadTokens": 0, "reasoningTokens": 4 } }, - { "type": "finish", "reason": { "kind": "stop" } } - ] - } -] diff --git a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl index 04b972b1d1..d95fb0b7f0 100644 --- a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl +++ b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl @@ -1,19 +1,19 @@ {"type":"session","version":0,"id":"9eb4181f-2d05-49d3-98fc-3711fe2f5664","createdAt":1783654655599,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW"} {"type":"turn/start","seq":0,"time":1783654655602,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783654655603,"data":{"content":[{"type":"text","text":"Load the dsh-skill-creator skill with the skill tool, then reply DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"user/message","seq":1,"time":1783654655603,"data":{"content":[{"type":"text","text":"Load the snapshot-skill skill with the skill tool, then reply DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783654655608,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783654655608,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"skill","description":"Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}],"messagePrefix":[{"role":"user","content":[{"type":"text","text":"\nA skill is a reusable set of task-specific instructions. The following skills are available in this session:\n\n\n- `dsh-skill-creator`: Create or update DeepSeek Harness SKILL.md instructions.\n\n\nIf the user names a skill, or the task clearly matches a skill's description, call the `skill` tool with the exact skill name before taking task actions. Load all applicable skills, then follow their full instructions. This catalog contains summaries only; do not infer or follow a skill's instructions until it has been loaded.\n"}]}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783654655608,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"skill","description":"Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}],"messagePrefix":[{"role":"user","content":[{"type":"text","text":"\nA skill is a reusable set of task-specific instructions. The following skills are available in this session:\n\n\n- `snapshot-skill`: Exercise project skill discovery and loading in snapshot tests.\n\n\nIf the user names a skill, or the task clearly matches a skill's description, call the `skill` tool with the exact skill name before taking task actions. Load all applicable skills, then follow their full instructions. This catalog contains summaries only; do not infer or follow a skill's instructions until it has been loaded.\n"}]}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Load the requested skill."}}} {"type":"assistant/chunk","seq":6,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}} -{"type":"assistant/chunk","seq":7,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":1,"id":"call_skill_load","name":"skill","argumentsDelta":"{\"name\":\"dsh-skill-creator\"}"}}} +{"type":"assistant/chunk","seq":7,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":1,"id":"call_skill_load","name":"skill","argumentsDelta":"{\"name\":\"snapshot-skill\"}"}}} {"type":"assistant/chunk","seq":8,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"Load the requested skill."}}}} -{"type":"assistant/chunk","seq":9,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}}}} +{"type":"assistant/chunk","seq":9,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"snapshot-skill\"}"}}}} {"type":"assistant/chunk","seq":10,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}}}} {"type":"assistant/chunk","seq":11,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} -{"type":"assistant/message","seq":12,"time":1783654655609,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"Load the requested skill."},{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}],"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[4,5,6,7,8,9,10,11],"surfaceOp":"append"} -{"type":"tool/call","seq":13,"time":1783654655609,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"dsh-skill-creator\"}"}} -{"type":"tool/result","seq":14,"time":1783654655610,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"\n\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW/.dsh/skills/dsh-skill-creator\nResolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.\n\n\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\n"}],"isError":false},"sourceEventSeqs":[13],"surfaceOp":"append"} +{"type":"assistant/message","seq":12,"time":1783654655609,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"Load the requested skill."},{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"snapshot-skill\"}"}],"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[4,5,6,7,8,9,10,11],"surfaceOp":"append"} +{"type":"tool/call","seq":13,"time":1783654655609,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"snapshot-skill\"}"}} +{"type":"tool/result","seq":14,"time":1783654655610,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"\n\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW/.dsh/skills/snapshot-skill\nResolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.\n\n\n\nFollow these snapshot-only instructions.\nResolve referenced resources relative to this skill directory.\n\n"}],"isError":false},"sourceEventSeqs":[13],"surfaceOp":"append"} {"type":"step/end","seq":15,"time":1783654655610,"data":{"turn":1,"step":1}} {"type":"step/start","seq":16,"time":1783654655610,"data":{"turn":1,"step":2}} {"type":"assistant/chunk","seq":17,"time":1783654655611,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl index 6c958b8f02..00e707088e 100644 --- a/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/skill-load/stdout.golden.jsonl @@ -1,8 +1,8 @@ {"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentInfo":{"name":"deepseek-harness-acp","version":"0.0.1"},"agentCapabilities":{"loadSession":true,"promptCapabilities":{"image":false,"audio":false,"embeddedContext":false}},"authMethods":[]}} {"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Load the requested skill."}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_skill_load","title":"Load skill dsh-skill-creator","kind":"read","status":"in_progress","rawInput":"dsh-skill-creator"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skill_load","status":"completed","content":[{"type":"content","content":{"type":"text","text":"\n\nBase directory for this skill: {{cwd}}/.dsh/skills/dsh-skill-creator\nResolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.\n\n\n\nUse this skill to write focused DeepSeek Harness skills.\n\nA skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter.\nFrontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it.\nUse optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills.\nKeep the body procedural, evidence-oriented, and scoped to the workflow the skill owns.\n\n"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_skill_load","title":"Load skill snapshot-skill","kind":"read","status":"in_progress","rawInput":"snapshot-skill"}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skill_load","status":"completed","content":[{"type":"content","content":{"type":"text","text":"\n\nBase directory for this skill: {{cwd}}/.dsh/skills/snapshot-skill\nResolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.\n\n\n\nFollow these snapshot-only instructions.\nResolve referenced resources relative to this skill directory.\n\n"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The skill is loaded."}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"DONE"}}}} {"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md b/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md deleted file mode 100644 index 684bc0885e..0000000000 --- a/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/dsh-skill-creator/SKILL.md +++ /dev/null @@ -1,12 +0,0 @@ ---- -name: dsh-skill-creator -description: Create or update DeepSeek Harness SKILL.md instructions. -whenToUse: Use when writing reusable agent instructions for DeepSeek Harness or adding system/project/user skills. ---- - -Use this skill to write focused DeepSeek Harness skills. - -A skill is a directory `/SKILL.md` or a flat `.md` file with YAML frontmatter. -Frontmatter must include kebab-case `name` and a concise `description` that tells the model when to load it. -Use optional `whenToUse` for extra routing signal and `disableModelInvocation: true` for user-only skills. -Keep the body procedural, evidence-oriented, and scoped to the workflow the skill owns. diff --git a/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/snapshot-skill/SKILL.md b/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/snapshot-skill/SKILL.md new file mode 100644 index 0000000000..b0816d6bee --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/snapshot-skill/SKILL.md @@ -0,0 +1,7 @@ +--- +name: snapshot-skill +description: Exercise project skill discovery and loading in snapshot tests. +--- + +Follow these snapshot-only instructions. +Resolve referenced resources relative to this skill directory. From c2c238d36d36a0f03c5f83ecf7db87f9e67d344f Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Fri, 10 Jul 2026 17:47:28 +0800 Subject: [PATCH 81/90] fix(skill): forward cancellation to local reads --- packages/skill/skill-local/README.md | 2 +- packages/skill/skill-local/src/index.ts | 33 +++++++++----- .../skill-local/tests/skill-local.spec.ts | 45 ++++++++++++++++++- 3 files changed, 66 insertions(+), 14 deletions(-) diff --git a/packages/skill/skill-local/README.md b/packages/skill/skill-local/README.md index 8f1b4f9e98..c885416ff5 100644 --- a/packages/skill/skill-local/README.md +++ b/packages/skill/skill-local/README.md @@ -30,7 +30,7 @@ Default roots are resolved in this provider's rank order: The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. The user DSH root skips its `.system` child so system-owned directories are not accidentally treated as normal user skills. DeepSeek Harness no longer ships built-in system skills from this provider; additional built-ins can be supplied later by another provider. -When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and probes `.git` through the filesystem service. Without a filesystem service, the provider falls back to Node filesystem I/O so minimal local contexts can still load skills. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. +When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and probes `.git` through the filesystem service. Full skill loads forward the lookup abort signal to filesystem metadata and content reads. Without a filesystem service, the provider falls back to abortable Node filesystem I/O so minimal local contexts can still load skills. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. ## Skill Format diff --git a/packages/skill/skill-local/src/index.ts b/packages/skill/skill-local/src/index.ts index e0953110b6..19a15f1de8 100644 --- a/packages/skill/skill-local/src/index.ts +++ b/packages/skill/skill-local/src/index.ts @@ -116,11 +116,12 @@ export class LocalSkillProvider implements SkillProvider { /** * Load a complete local skill body from the candidate's file locator. * @param candidate - the winning candidate returned by this provider. + * @param options - lookup options whose signal cancels filesystem reads. * @returns the full local skill, or `undefined` if the file disappeared. */ - async get(candidate: SkillCandidate): Promise { + async get(candidate: SkillCandidate, options: SkillLookupOptions): Promise { const locator = candidate.locator as LocalLocator - const parsed = await parseSkillFile(locator.path, this.ctx) + const parsed = await parseSkillFile(locator.path, this.ctx, options.signal) if (parsed === undefined) return undefined return { name: parsed.name, @@ -223,8 +224,9 @@ async function listSkillRootEntriesFromNode(root: SkillRoot, ctx: Context): Prom return result } -async function parseSkillFile(path: string, ctx: Context): Promise { - const raw = await readSkillText(ctx, path) +async function parseSkillFile(path: string, ctx: Context, signal?: AbortSignal): Promise { + const raw = await readSkillText(ctx, path, signal) + signal?.throwIfAborted() if (raw === undefined) { return undefined } @@ -263,30 +265,39 @@ function optionalFileSystem(ctx: Context): FileSystem | undefined { return ctx.get('fs') } -async function readSkillText(ctx: Context, path: string): Promise { +async function readSkillText(ctx: Context, path: string, signal?: AbortSignal): Promise { + signal?.throwIfAborted() const fs = optionalFileSystem(ctx) if (fs !== undefined) { - return await readSkillTextFromFileSystem(ctx, fs, path) + return await readSkillTextFromFileSystem(ctx, fs, path, signal) } try { - return await readFile(path, 'utf8') + return await readFile(path, { encoding: 'utf8', signal }) } catch { + signal?.throwIfAborted() return undefined } } -async function readSkillTextFromFileSystem(ctx: Context, fs: FileSystem, path: string): Promise { +async function readSkillTextFromFileSystem(ctx: Context, fs: FileSystem, path: string, signal?: AbortSignal): Promise { // A missing or temporarily inaccessible skill file is not fatal to discovery. + signal?.throwIfAborted() const target = await fs.resolve(path).catch(() => undefined) + signal?.throwIfAborted() if (target === undefined) return undefined - const info = await fs.stat(target).catch((error: unknown) => { + let info + try { + info = await fs.stat(target, signal) + } catch (error) { + signal?.throwIfAborted() ctx.logger.warn(`skill file ${path} ignored: failed to stat through filesystem service: ${errorMessage(error)}`) return undefined - }) + } if (info === undefined || info.type !== 'file') return undefined try { - return await fs.readText(target) + return await fs.readText(target, signal) } catch (error) { + signal?.throwIfAborted() ctx.logger.warn(`skill file ${path} ignored: ${fsReadErrorMessage(target, error)}`) return undefined } diff --git a/packages/skill/skill-local/tests/skill-local.spec.ts b/packages/skill/skill-local/tests/skill-local.spec.ts index 5c981cb0e0..94a48ce53f 100644 --- a/packages/skill/skill-local/tests/skill-local.spec.ts +++ b/packages/skill/skill-local/tests/skill-local.spec.ts @@ -27,13 +27,17 @@ class TestFileSystem extends FileSystem { failResolvePaths = new Set() failStatPaths = new Set() statOverrides = new Map() + statSignals: Array = [] + readTextSignals: Array = [] + readTextOverride?: (target: FsTarget, signal?: AbortSignal) => Promise override async resolve(path: string): Promise { if (this.failResolvePaths.has(path)) throw new Error('resolve failed') return { targetKey: path as never, displayPath: path } } - override async stat(target: FsTarget): Promise { + override async stat(target: FsTarget, signal?: AbortSignal): Promise { + this.statSignals.push(signal) if (this.failStatPaths.has(target.displayPath)) throw new Error('stat failed') if (this.statOverrides.has(target.displayPath)) return this.statOverrides.get(target.displayPath) try { @@ -49,7 +53,9 @@ class TestFileSystem extends FileSystem { } } - override async readText(target: FsTarget): Promise { + override async readText(target: FsTarget, signal?: AbortSignal): Promise { + this.readTextSignals.push(signal) + if (this.readTextOverride !== undefined) return await this.readTextOverride(target, signal) const text = await readFile(target.displayPath, 'utf8') if (text.includes('\uFFFD')) throw new Error('not text') return text @@ -317,6 +323,41 @@ describe('LocalSkillProvider', () => { expect(await ctx.skills.get('binary-skill')).toBeUndefined() }) + it('forwards cancellation to filesystem reads while loading a skill', async () => { + const home = await tempDir('skill-read-abort') + await writeSkill(join(home, '.dsh/skills'), 'abortable-skill', 'Abortable skill') + + const ctx = new Context() + await ctx.plugin(TestFileSystem) + const fs = ctx.fs as TestFileSystem + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['abortable-skill']) + + fs.statSignals = [] + fs.readTextSignals = [] + const started = Promise.withResolvers() + fs.readTextOverride = async (_target, signal) => { + if (signal === undefined) throw new Error('expected the skill lookup signal') + started.resolve(undefined) + return await new Promise((_resolve, reject) => { + signal.addEventListener('abort', () => { + const abortReason = signal.reason as unknown + reject(abortReason instanceof Error ? abortReason : new Error(String(abortReason))) + }, { once: true }) + }) + } + const controller = new AbortController() + const reason = new Error('turn cancelled') + const loading = ctx.skills.get('abortable-skill', { signal: controller.signal }) + await started.promise + controller.abort(reason) + + await expect(loading).rejects.toBe(reason) + expect(fs.statSignals).toEqual([controller.signal]) + expect(fs.readTextSignals).toEqual([controller.signal]) + }) + it('uses default home root resolution without exposing builtin skills', async () => { const previousDshHome = process.env.DSH_HOME const previousAgentsHome = process.env.DSH_AGENTS_HOME From dd2f37b80fa1e69403268f02bd64b4576daa01f8 Mon Sep 17 00:00:00 2001 From: pku-xht Date: Fri, 10 Jul 2026 20:48:14 +0800 Subject: [PATCH 82/90] fix(workflow-workerthread): tighten post-result promptness waits back down MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Review follow-up: the blanket 10s default correctly targets worker-thread cold-start races (starting, first-script-line, async child-registration messages — genuinely CPU-bound under CI contention), but four waits assert something different — that the HOST reacted PROMPTLY to an event that already happened (a settled result, an observed worker death). Those had no cold-start left to wait on, so the generous default just widened the window a real regression could hide in. Verified by injecting a 6s delay into the settle-reap's abort call: the un-overridden helper's test still passed in ~6s. The same mutation now fails in ~1s with the explicit 1000ms override restored on all four sites (the abort-on-settle test's own assertion, the two worker-death cancel/dispose reap checks, and the dispose-ack-race check). The other 12 waits keep the 10s default — they run BEFORE a result is awaited, waiting on the worker to actually start rather than on a host reaction. Doc comment corrected to describe the split instead of claiming every wait is a cold-start race. --- .../tests/workflow-workerthread.spec.ts | 38 +++++++++++++------ 1 file changed, 27 insertions(+), 11 deletions(-) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts index 175a82a7b9..75a0b5116e 100644 --- a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -21,12 +21,18 @@ function fakeParent(): Agent { vi.setConfig({ testTimeout: 30_000 }) /** - * `vi.waitFor` with a contention-proof timeout: the 1s default flaked - * repeatedly on the CI coverage lane, where worker-thread cold start competes - * with three sibling vitest workers for CPU. Every wait in this file is for - * something that WILL happen (a worker starting, a child registering) — a - * generous bound only removes the flake, it cannot mask a genuine hang (the - * file-wide test timeout above still fences those). + * `vi.waitFor` with a contention-proof default timeout: the 1s default + * flaked repeatedly on the CI coverage lane, where worker-thread cold start + * (CPU-bound — a fresh thread compiles the runtime) competes with three + * sibling vitest workers for CPU. The 10s default is for exactly those + * races — waiting for a worker to start, run its first script line, or + * deliver an async child-registration message to the host. It is NOT for a + * wait that asserts the HOST reacted PROMPTLY to something that already + * happened (a settled result, an observed worker death): those keep an + * explicit tight override below, or the generous default would silently + * accept a multi-second regression in host-side reap latency as passing + * (proven by injecting a 6s delay into one such reap and watching the + * un-overridden version of this helper still pass in ~6s). * @param assertion - retried until it stops throwing or the timeout elapses. * @param timeout - override for a wait that must stay deliberately tight. * @returns resolves when the assertion passes. @@ -545,8 +551,11 @@ describe('dsh-workflow-workerthread', () => { const result = await handle.result expect(result.stopReason).toBe('completed') // BEFORE dispose(): the settlement itself must have aborted the signal — - // without it this child would stay live until dispose's terminate. - await waitFor(() => { expect(aborted).toEqual(['workflow settled']) }) + // without it this child would stay live until dispose's terminate. This + // is a HOST-PROMPTNESS claim, not a cold-start race — a tight explicit + // bound (unlike the file default) so a multi-second reap regression + // cannot pass by outlasting the wait. + await waitFor(() => { expect(aborted).toEqual(['workflow settled']) }, 1000) await handle.dispose() }) @@ -769,7 +778,9 @@ describe('dsh-workflow-workerthread', () => { // A worker death is a stop reason like any other: workflow/end fires // with the error outcome — for a bus observer it is the only obituary. expect(runEnds).toEqual([{ stopReason: 'error', error: result.error, agentsStarted: 1 }]) - await waitFor(() => { expect(cancelled.length).toBe(1) }) + // Result already settled — this is the reap's promptness, not a + // cold-start race; tight explicit bound (see the helper's doc comment). + await waitFor(() => { expect(cancelled.length).toBe(1) }, 1000) await handle.dispose() }, 15_000) @@ -790,10 +801,12 @@ describe('dsh-workflow-workerthread', () => { expect(result.stopReason).toBe('error') expect(result.error).toContain('worker blew up') // The reap wound the stray child down (cancel + a CLEAN dispose). + // Result already settled — this is the reap's promptness, not a + // cold-start race; tight explicit bound (see the helper's doc comment). await waitFor(() => { expect(provider.runs.length).toBe(1) expect(provider.runs[0]!.disposed).toBe(true) - }) + }, 1000) await handle.dispose() }, 15_000) @@ -857,7 +870,10 @@ describe('dsh-workflow-workerthread', () => { const result = await handle.result expect(result.stopReason).toBe('error') expect(result.error).toContain('exit code 5') - await waitFor(() => { expect(provider.runs[0]!.disposed).toBe(true) }) + // Result already settled — this is the reap's promptness (bounded + // above the mock's fixed 300ms dispose delay, not a cold-start race); + // tight explicit bound (see the helper's doc comment). + await waitFor(() => { expect(provider.runs[0]!.disposed).toBe(true) }, 1000) await handle.dispose() }, 15_000) From 53f6a959e2f9721ac676a91bbda58dfd7121a1d9 Mon Sep 17 00:00:00 2001 From: kingwl Date: Fri, 10 Jul 2026 21:15:48 +0800 Subject: [PATCH 83/90] chore(lint): one shared project service; ignore harness-local .claude state MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Two independent multipliers were pushing bare `pnpm run lint` past node's default heap: 1. parserOptions.project expanded to every package tsconfig plus the root one — each matched config built its OWN ts.Program, and the dev paths map pulls sibling package SOURCES (plus the vendored Cordis stack) into every such program, so resident memory grew as sum-of-closures, not repo size: ~4.6 GB peak for 425 repo files. projectService shares one tsserver-style graph: ~2.0 GB peak, ~28 s → ~14 s wall. 2. `eslint .` traversed .claude/ harness-local state — stale worktree checkouts there carry tens of thousands of additional .ts files (whole-repo copies), roughly tripling the work again even under the project service. Other checkouts are not this one's sources; ignore them like node_modules. (#169 carries the identical ignore line inside its chain; the hunks dedupe on its next rebase.) Type-aware rules verified live under the service: a floating-promise probe still trips no-floating-promises. --- eslint.config.mjs | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/eslint.config.mjs b/eslint.config.mjs index cbb696bccb..c62d3e9739 100644 --- a/eslint.config.mjs +++ b/eslint.config.mjs @@ -22,6 +22,7 @@ export default tseslint.config( '**/lib/**', '**/node_modules/**', '**/.sessions/**', + '.claude/**', // harness-local state (worktrees, skills) — other checkouts, not this one's sources '**/.doc-typecheck-*/**', 'vendor/**', // vendored source keeps upstream style and idioms '**/*.js', @@ -38,7 +39,14 @@ export default tseslint.config( ], languageOptions: { parserOptions: { - project: ['./packages/*/*/tsconfig.json', './tsconfig.json'], + // One shared tsserver-style project service instead of 60+ standalone + // per-package programs: the old `project` glob built every package's + // full dependency closure (sibling sources via the dev `paths` map + + // the vendored Cordis stack) as its own program and kept them all + // resident — ~5 GB peak, an OOM past node's default heap. The service + // resolves each file to its nearest owning tsconfig and shares the + // graph. + projectService: true, tsconfigRootDir: import.meta.dirname, }, }, @@ -89,7 +97,9 @@ export default tseslint.config( ], languageOptions: { parserOptions: { - project: ['./tsconfig.json'], + // Same shared project service as the src block: test files resolve + // through the root tsconfig (its include covers every tests/ tree). + projectService: true, tsconfigRootDir: import.meta.dirname, }, }, From b29a8eca71007369699599d6cbe45393fc9393a1 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sat, 11 Jul 2026 21:37:38 +0800 Subject: [PATCH 84/90] fix(review): reconcile sandbox and approval contracts --- AGENTS.md | 2 +- docs/capability-seams.md | 2 +- docs/config-catalog.md | 79 +++++++++-------- docs/cordis-catalog/events.md | 4 +- docs/cordis-catalog/services.md | 8 +- docs/core-data-structures/approval.md | 64 ++++++++++++++ docs/core-data-structures/bash.md | 10 +-- docs/core-data-structures/core.md | 2 + docs/core-data-structures/sandbox.md | 82 ++++++++++++++++++ docs/event-producer-consumer.md | 4 +- docs/module-graph.md | 28 +++---- docs/persistence-catalog.md | 6 +- docs/rfc/INDEX.md | 4 +- .../2026-06-14-session-persistence.md | 4 +- .../2026-06-14-acp-agent-client-protocol.md | 57 +++++++++++++ .../feature/2026-06-14-acp-multi-session.md | 37 ++++++++ ...6-06-18-acp-terminal-and-tool-rendering.md | 2 +- .../feature/2026-07-06-approval-seam.md | 16 ++-- .../implemented/feature/2026-07-06-sandbox.md | 4 +- .../2026-06-14-acp-agent-client-protocol.md | 84 ------------------- .../feature/2026-06-14-acp-multi-session.md | 48 ----------- .../2026-06-20-single-session-acp-bridge.md | 4 +- examples/README.md | 2 +- examples/sandbox-acp-agent/README.md | 2 +- examples/sandbox-acp-agent/cordis.yml | 2 +- .../snapshots/mode-switching/session.jsonl | 6 +- packages/README.md | 3 +- packages/approval/README.md | 9 -- packages/bash/bash-sandbox/src/index.ts | 21 ++--- packages/bash/bash/src/index.ts | 11 +-- packages/bash/tool-bash/README.md | 2 +- packages/bash/tool-bash/package.json | 4 +- packages/bash/tool-bash/src/index.ts | 21 +++-- packages/bash/tool-bash/tests/tools.spec.ts | 38 +++++++-- packages/bash/tool-bash/tsconfig.json | 2 +- packages/core/tools/README.md | 2 +- packages/core/tools/package.json | 4 +- packages/core/tools/src/index.ts | 2 +- packages/core/tools/tests/tools.spec.ts | 2 +- packages/core/tools/tsconfig.json | 2 +- packages/sandbox/sandbox-local/src/index.ts | 45 +++++++--- .../sandbox/sandbox-local/tests/local.spec.ts | 24 +++++- packages/ui/README.md | 3 +- packages/ui/acp/README.md | 8 +- packages/ui/acp/acp-feature-support.md | 8 +- packages/ui/acp/package.json | 4 +- packages/ui/acp/src/index.ts | 8 +- packages/ui/acp/tests/approval.spec.ts | 2 +- packages/ui/acp/tests/config-options.spec.ts | 4 +- packages/ui/acp/tsconfig.json | 2 +- .../approval => ui/user-approval}/README.md | 6 +- .../user-approval}/package.json | 4 +- .../user-approval}/src/index.ts | 66 +++++++++------ .../user-approval}/tests/approval.spec.ts | 71 ++++++++++++++-- .../user-approval}/tsconfig.json | 0 pnpm-lock.yaml | 14 ++-- scripts/gen-cordis-catalog.ts | 6 ++ scripts/type-equiv.manifest.json | 12 ++- tsconfig.base.json | 1 - tsconfig.build.json | 2 +- tsconfig.json | 2 +- 61 files changed, 620 insertions(+), 358 deletions(-) create mode 100644 docs/core-data-structures/approval.md create mode 100644 docs/core-data-structures/sandbox.md create mode 100644 docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md create mode 100644 docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md delete mode 100644 docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md delete mode 100644 docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md delete mode 100644 packages/approval/README.md rename packages/{approval/approval => ui/user-approval}/README.md (58%) rename packages/{approval/approval => ui/user-approval}/package.json (80%) rename packages/{approval/approval => ui/user-approval}/src/index.ts (88%) rename packages/{approval/approval => ui/user-approval}/tests/approval.spec.ts (84%) rename packages/{approval/approval => ui/user-approval}/tsconfig.json (100%) diff --git a/AGENTS.md b/AGENTS.md index 20abf56c87..e19e2cfbc4 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -24,7 +24,7 @@ packages/ Harness packages at packages///, all named @deepseek-ai cordis/ self-referential toolset: the agent inspects/mounts plugins in its own runtime hooks/ Claude Code / Codex hook bridges + shared wire-protocol library session-persistence/ persistence seam + JSONL/SQLite backends - ui/ ACP bridge, app-boot glue, stdio/ACP app bins, user-interaction seam, ask-user tool + ui/ ACP bridge, app-boot glue, stdio/ACP app bins, user-approval and user-interaction seams, ask-user tool support/ dev/test infrastructure packages util/ zero-dependency utilities examples/ Runnable demos: thin cordis.yml leaves over the app packages (see examples/AGENTS.md) diff --git a/docs/capability-seams.md b/docs/capability-seams.md index 7b3b7aca20..520ceaab9d 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -175,7 +175,7 @@ flowchart LR | `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | | `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local), [`bash-sandbox`](../packages/bash/bash-sandbox) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors replace bash-local without touching them. | | `ctx.sandbox` | `seam` | [`sandbox`](../packages/sandbox/sandbox) | [`sandbox-local`](../packages/sandbox/sandbox-local) | [`bash-sandbox`](../packages/bash/bash-sandbox) | - | Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement. | -| `ctx.approval` | `seam` | [`approval`](../packages/approval/approval) | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools), [`tool-bash`](../packages/bash/tool-bash) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | +| `ctx.approval` | `seam` | `approval` | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools), [`tool-bash`](../packages/bash/tool-bash) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | | `ctx.codeRuntime` | `seam` | [`code-runtime`](../packages/code-runtime/code-runtime) | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | [`tools`](../packages/core/tools) | - | Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode). | | `ctx.fs` | `seam` | [`fs`](../packages/fs/fs) | [`fs-local`](../packages/fs/fs-local) | [`tool-fs`](../packages/fs/tool-fs) | [`fs-policy`](../packages/fs/fs-policy) | tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate. | | `ctx.compact` | `seam` | [`compact`](../packages/compact/compact) | [`compact-basic`](../packages/compact/compact-basic) | [`compact-basic`](../packages/compact/compact-basic) | - | The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred. | diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 94c4ef8851..46aa0ea5d6 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -130,37 +130,6 @@ Depends on: [`AgentId`](../packages/core/agent/src/index.ts) · [`AgentOptions`] Source: [`packages/core/agent-loop/src/index.ts:36`](../packages/core/agent-loop/src/index.ts) -## `@deepseek-ai/dsh-approval` - -```ts config-catalog -/** Plugin config. All optional — `static Config` supplies the defaults. */ -export interface Config { - /** - * The deployment's default {@link ApprovalPolicy} for sessions without an - * `approval/policy` override — `'ask'` delegates to the composed answerers - * (fail-closed with none); `'never'` auto-rejects every ask without - * prompting (the deterministic CI/unattended stance). - */ - policy?: ApprovalPolicy -} - -/** - * A session's approval policy — what happens to an {@link ApprovalService} - * ask BEFORE any interactive answerer sees it: - * - * - `'ask'` (the default) — delegate to the composed answerers; with none - * composed the chain falls through to the fail-closed `'unavailable'` - * (exactly today's behavior). - * - `'never'` — never prompt anyone: every ask resolves `'rejected'` - * deterministically. The strict headless stance (CI, unattended runs) and - * the only policy value stated in the system prompt — unlike `'ask'`, its - * outcome is knowable without asking, so stating it cannot overclaim. - */ -export type ApprovalPolicy = 'ask' | 'never' -``` - -Source: [`packages/approval/approval/src/index.ts:244`](../packages/approval/approval/src/index.ts) - ## `@deepseek-ai/dsh-bash-local` ```ts config-catalog @@ -204,9 +173,9 @@ export interface Config extends LocalConfig { } ``` -Depends on: [`LocalConfig`](#deepseek-aidsh-bash-local) · [`SandboxMode`](../packages/sandbox/sandbox/src/index.ts) +Depends on: [`LocalConfig`](#deepseek-aidsh-bash-local) · [`SandboxMode`](core-data-structures/sandbox.md) -Source: [`packages/bash/bash-sandbox/src/index.ts:59`](../packages/bash/bash-sandbox/src/index.ts) +Source: [`packages/bash/bash-sandbox/src/index.ts:60`](../packages/bash/bash-sandbox/src/index.ts) ## `@deepseek-ai/dsh-code-runtime-worker` @@ -500,7 +469,9 @@ export interface Config { * `enforcement: 'full'`, and — the runner's kernel mechanism being unknown * — carries both Linux file-denial dialects as its denial signatures) — * the runner chain and its probes are skipped, - * and a broken runner fails loudly at spawn time like any missing command. + * and a broken runner fails loudly at execution time. The operator also + * supplies {@link runnerFailureSignatures}, which distinguish the runner + * refusing its profile from the wrapped command failing normally. * Absent (or empty — the schema normalizes an omitted array to `[]`): the * built-in platform chains — Linux `bwrap` then the Landlock launcher * (probed in that order), darwin `sandbox-exec` (the sole candidate, @@ -508,6 +479,15 @@ export interface Config { * for deterministic fake runners in keyless test tiers. */ runnerCommand?: string[] + /** + * Case-insensitive stderr substrings emitted when a configured + * {@link runnerCommand} refuses its profile before executing the wrapped + * command. Required and non-empty with `runnerCommand`; rejected without + * it. Missing/unexecutable runner errors are added automatically from + * `runnerCommand[0]`, while these signatures cover an executable runner's + * own failure dialect. + */ + runnerFailureSignatures?: string[] /** * Per-probe timeout in milliseconds for the chain's functional probes * (default: 5000; must be a positive finite number — Node treats a 0 @@ -914,6 +894,37 @@ export type ToolPresentationMode = 'native' | 'code' | 'both' Source: [`packages/core/tools/src/index.ts:323`](../packages/core/tools/src/index.ts) +## `@deepseek-ai/dsh-user-approval` + +```ts config-catalog +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * The deployment's default {@link ApprovalPolicy} for sessions without an + * `approval/policy` override — `'ask'` delegates to the composed answerers + * (fail-closed with none); `'never'` auto-rejects every ask without + * prompting (the deterministic CI/unattended stance). + */ + policy?: ApprovalPolicy +} + +/** + * A session's approval policy — what happens to an {@link ApprovalService} + * ask BEFORE any interactive answerer sees it: + * + * - `'ask'` (the default) — delegate to the composed answerers; with none + * composed the chain falls through to the fail-closed `'unavailable'` + * (exactly today's behavior). + * - `'never'` — never prompt anyone: every ask resolves `'rejected'` + * deterministically. The strict headless stance (CI, unattended runs) and + * the only policy value stated in the system prompt — unlike `'ask'`, its + * outcome is knowable without asking, so stating it cannot overclaim. + */ +export type ApprovalPolicy = 'ask' | 'never' +``` + +Source: [`packages/ui/user-approval/src/index.ts:258`](../packages/ui/user-approval/src/index.ts) + ## `@deepseek-ai/dsh-web` ```ts config-catalog diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 2f89dd481b..f7101cc862 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -173,7 +173,9 @@ Waterfall asking the composed answerers to decide one approval request. Dispatch 'approval/request'(this: ApprovalService, req: ApprovalRequest, next: () => Promise): Promise ``` -Source: [`packages/approval/approval/src/index.ts:64`](../../packages/approval/approval/src/index.ts) +Types: [ApprovalOutcome](../core-data-structures/approval.md) · [ApprovalRequest](../core-data-structures/approval.md) + +Source: [`packages/ui/user-approval/src/index.ts:64`](../../packages/ui/user-approval/src/index.ts) ## `fs/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 0793f77a2a..5428e8d103 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -44,13 +44,15 @@ Source: [`packages/core/agent/src/index.ts:117`](../../packages/core/agent/src/i The `ctx.approval` service: dispatches ApprovalRequests to the `approval/request` waterfall and audits every ask/outcome pair to the requesting agent's session log. Stateless between requests — grants are returned to the caller, never stored here. -Owns the policy tier too (`effective = fold(the session's 'approval/policy' events) ?? config.policy`): a PREPENDED decide-or-delegate gate resolves `'never'` sessions to `'rejected'` before any interactive answerer is prompted, a per-agent prompt section states a `'never'` policy (and only that one — an `'ask'` promise could overclaim an answerer that headless compositions do not have), and an `agent/pre-step` narrator injects at most one coalesced notice when a session's effective policy moved past what the model was last told. +Owns the policy tier too (`effective = fold(the session's 'approval/policy' events) ?? config.policy`): `request()` resolves `'never'` to `'rejected'` before dispatching any interactive answerer, a per-agent prompt section states a `'never'` policy (and only that one in prose — an `'ask'` promise could overclaim an answerer that headless compositions do not have), and an `agent/pre-step` narrator injects at most one coalesced notice when a session's effective policy moved past what the model was last told. ```ts cordis-catalog async request(req: ApprovalRequest): Promise ``` -Source: [`packages/approval/approval/src/index.ts:269`](../../packages/approval/approval/src/index.ts) +Types: [ApprovalOutcome](../core-data-structures/approval.md) · [ApprovalRequest](../core-data-structures/approval.md) + +Source: [`packages/ui/user-approval/src/index.ts:282`](../../packages/ui/user-approval/src/index.ts) ## `ctx.bash` — `BashExecutor` (abstract seam) @@ -173,6 +175,8 @@ Semantics every implementation must honor: abstract confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv ``` +Types: [ConfinedArgv](../core-data-structures/sandbox.md) · [SandboxPolicy](../core-data-structures/sandbox.md) + Source: [`packages/sandbox/sandbox/src/index.ts:180`](../../packages/sandbox/sandbox/src/index.ts) ## `ctx.sessionPersistence` — `SessionPersistence` (abstract seam) diff --git a/docs/core-data-structures/approval.md b/docs/core-data-structures/approval.md new file mode 100644 index 0000000000..997f4e7ab2 --- /dev/null +++ b/docs/core-data-structures/approval.md @@ -0,0 +1,64 @@ +# User Approval + +The user-approval seam of [dsh-user-approval](../../packages/ui/user-approval) answers one question: may this specific action proceed? It owns the shared request/outcome vocabulary, the `ctx.approval` dispatch service, the `approval/request` answerer waterfall, the log-only audit pair, and the per-session `ask`/`never` policy. UI channels such as [dsh-acp](../../packages/ui/acp) provide answerers; callers such as [dsh-tools](../../packages/core/tools) and [dsh-tool-bash](../../packages/bash/tool-bash) consume the closed outcome and fail closed unless it is `allowed-once`. + +Source: [`packages/ui/user-approval/src/index.ts`](../../packages/ui/user-approval/src/index.ts) + +## Identity and outcome + +Every request receives a fresh `ApprovalRequestId`. The brand pairs the `approval/asked` and `approval/decided` audit events without making approval ids interchangeable with tool-call, session, or agent ids. + +```ts type-equiv +type ApprovalRequestId = Branded<'ApprovalRequestId'> +``` + +`ApprovalOutcome` is closed and fail-closed. `allowed-once` grants only the asked-about action; callers deny on `rejected`, `cancelled`, and `unavailable`. A missing, non-owning, throwing, or non-conforming answerer becomes `unavailable` rather than opening the gate. + +```ts type-equiv +type ApprovalOutcome = 'allowed-once' | 'rejected' | 'cancelled' | 'unavailable' +``` + +## Per-session policy + +`ApprovalPolicy` determines what happens before interactive answerers run. `ask` delegates to the composed answerer chain, whose no-answer default is `unavailable`; `never` deterministically returns `rejected` without dispatching any answerer. The effective value is the last `approval/policy` event in the session log, falling back to the service config. `setApprovalPolicy(session, policy)` is the single write path, so replay reconstructs the override. + +```ts type-equiv +type ApprovalPolicy = 'ask' | 'never' +``` + +The prompt section states the deterministic `never` behavior and records either policy with a source-owned marker. The pre-step narrator reads that marker from the logged request header after restart; it does not infer state from deployment persona prose. An idle ACP switch is held in the bridge until the next `turn/start`, because approval audit and policy events must remain turn-enclosed for durable replay. + +## Approval request + +`ApprovalRequest` identifies the agent and tool action closely enough to route and audit the question. It deliberately omits tool arguments: an answerer attaches the prompt to the already-streamed tool call through `callId` instead of rendering a second copy that could drift. + +```ts type-equiv +interface ApprovalRequest { + /** + * The agent on whose behalf the question is asked. Routes the question (a + * UI answerer only answers for agents it owns) and receives the audit + * events on its session log. + */ + agent: Agent + /** The tool the question is about (presentation and audit). */ + toolName: string + /** + * The exact tool call being decided, when the asker has one — lets a UI + * attach the prompt to the tool call it already streamed. + */ + callId?: CallId + /** The asker's human-readable explanation of WHY it is asking. */ + reason?: string + /** + * Aborting withdraws the question: the request settles `'cancelled'` + * immediately and a late answer from a still-pending answerer is discarded. + */ + signal?: AbortSignal +} +``` + +## Dispatch and audit + +`ctx.approval.request(req)` requires the requesting session to be inside an open turn. It appends `approval/asked`, obtains one outcome, appends the matching `approval/decided`, and resolves with that outcome. The `never` policy is enforced inside the service before waterfall dispatch, so even an answerer registered later with `prepend` cannot bypass it. Answerers return an outcome when they own the request or call `next()` to delegate; the first answer occupies the single decision slot. + +The audit events are log-only and do not enter the model transcript. Model-visible behavior is the caller's derived tool result, while the request header records the prompt policy that the model actually saw. Service disposal removes its prompt section and pre-step narrator together; answerer listeners are independently effect-bound to their owning plugins. diff --git a/docs/core-data-structures/bash.md b/docs/core-data-structures/bash.md index c131926741..51f7cb0696 100644 --- a/docs/core-data-structures/bash.md +++ b/docs/core-data-structures/bash.md @@ -152,13 +152,9 @@ interface CollectedOutput { } ``` -## File sandbox: `SandboxMode` / `BashSandboxInfo` +## File sandbox: `BashSandboxInfo` -A sandbox-consuming executor (`dsh-bash-sandbox`) confines commands under its executor-configured mode — fixed at config time for the executor's lifetime; a runtime/per-session mode surface is the sandbox RFC's config phase, not current behavior; the mode/enforcement vocabulary is owned by the `@deepseek-ai/dsh-sandbox` seam (whose provider wraps the executor's argv), and the mode governs FILE effects only — network and process visibility are deliberately not restricted, because a backend that cannot honestly enforce them must not pretend to: - -```ts type-equiv -type SandboxMode = 'read-only' | 'workspace-write' | 'danger-full-access' -``` +A sandbox-consuming executor (`dsh-bash-sandbox`) exposes its configured fallback through `BashExecutor.sandboxMode`. The tool layer folds each agent session's durable `bash/sandbox-mode` override, stamps the effective mode onto the request, states it in the per-agent prompt, and may replace it for one user-approved strictly wider call. The mode/enforcement vocabulary is owned and cataloged by the [`@deepseek-ai/dsh-sandbox` seam](sandbox.md), whose provider wraps the executor's argv; modes govern FILE effects only, not network or process visibility. A sandboxed run always reports the facts it executed under on `BashRunResult.sandbox`: `denied` is the executor's conservative classification of a failure as sandbox-caused (a failed exit whose stderr carries a filesystem-permission signature — never a clean exit or a signal kill), read from the collected stderr tail; `enforcement` reports how completely the selected backend governs the mode's file effects (`SandboxEnforcement = 'full' | 'partial'` — `partial` when an older Landlock ABI governs only a subset of the requested accesses; absent under `danger-full-access`, where nothing is confined); `runnerFailed` marks the opposite of a denial — the sandbox RUNNER itself failed and the command never ran (stamped only on settled background tasks; a foreground run surfaces the same condition as the thrown `SANDBOX_UNAVAILABLE` error): @@ -197,7 +193,7 @@ interface BashSandboxInfo { } ``` -One more piece completes the vocabulary: the `SANDBOX_UNAVAILABLE` error code (owned by the sandbox seam) is what the `ctx.sandbox` provider throws — and the executor propagates — when a confined mode has no usable backend: sandboxed modes fail CLOSED instead of silently running unconfined. The model's view of the sandbox is result facts only: the static bash tool description explains the denial marker, and each run's `result.sandbox` carries the mode it executed under (no live-mode getter on the seam and no current-mode prompt statement — both arrive with the runtime-context phase of the RFC below). Denials are deny-only result facts today; the approval/escalated-retry flow on top of them is the [sandbox RFC](../rfc/implemented/feature/2026-07-06-sandbox.md). +One more piece completes the vocabulary: the `SANDBOX_UNAVAILABLE` error code (owned by the [sandbox seam](sandbox.md)) is what the `ctx.sandbox` provider throws — and the executor propagates — when a confined mode has no usable backend. A selected runner refusing its profile reaches the same fail-closed foreground error; a settled background task records `runnerFailed`. The model sees the current effective mode in the prompt, receives denial/runner facts in results, and can request a one-shot strictly wider retry through `sandbox_permissions` plus `justification`; `ctx.approval` must grant that exact call before anything executes. The complete policy and switching design is the [sandbox RFC](../rfc/implemented/feature/2026-07-06-sandbox.md). ## Background tasks: `BashTask` diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 9611adab6f..ba2003bfc5 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -20,7 +20,9 @@ Everything else is documented on a **sub-page**, not here. The rule that draws t | [persistence.md](persistence.md) | the durability seam: `SessionPersistence`, JSONL + SQLite backends, `session/flush`, crash recovery, `SessionHeader` | | [tools.md](tools.md) | `ToolDefinition` full fields, the schema DSL, `ToolExecution`/`ToolResult`, tool-presentation UI types, the `tools/pre-execute`/`tools/post-execute` pipeline | | [user-interaction.md](user-interaction.md) | the UI-backed human question/answer seam: `AskUserQuestionRequest`, answer/options vocabulary, provider API, error taxonomy | +| [approval.md](approval.md) | the one-shot user-approval seam: `ApprovalRequest`, `ApprovalOutcome`, per-session policy, audit and answerer contracts | | [bash.md](bash.md) | the bash executor seam: `BashExecRequest`/`Spec`, `BashRunResult`, background `BashTask`s | +| [sandbox.md](sandbox.md) | the process-confinement seam: file-effect modes, `SandboxPolicy`, `ConfinedArgv`, enforcement and fail-closed errors | | [code-runtime.md](code-runtime.md) | the code-execution seam: `CodeRunRequest`/`Result`, binding namespaces, captured logs, the `CodeRunFailure` taxonomy | | [filesystem.md](filesystem.md) | the filesystem seam: `FsTarget`, read/write/edit outcomes, observed-file state, `FsErrorCode` | | [compaction.md](compaction.md) | the compaction seam: the `compact/*` session events, `CompactionResult`, the `CompactService` interface | diff --git a/docs/core-data-structures/sandbox.md b/docs/core-data-structures/sandbox.md new file mode 100644 index 0000000000..6b7b212373 --- /dev/null +++ b/docs/core-data-structures/sandbox.md @@ -0,0 +1,82 @@ +# Process Sandbox + +The process-sandbox seam of [dsh-sandbox](../../packages/sandbox/sandbox) wraps a same-world subprocess argv in a file-effect policy without coupling consumers to a platform runner. [dsh-sandbox-local](../../packages/sandbox/sandbox-local) supplies the Linux bwrap/Landlock and macOS Seatbelt backends; [dsh-bash-sandbox](../../packages/bash/bash-sandbox) is the first consumer. Containers, microVMs, and remote execution are sibling implementations of whole capability seams, not providers of `ctx.sandbox`. + +Source: [`packages/sandbox/sandbox/src/index.ts`](../../packages/sandbox/sandbox/src/index.ts) + +## Modes and enforcement + +`SandboxMode` governs filesystem effects only. `read-only` denies writes except the required `/dev/null` sink; `workspace-write` permits writes under the workspace root and the backend's promised temp area; `danger-full-access` bypasses confinement. Network and process visibility are outside this vocabulary. + +```ts type-equiv +type SandboxMode = 'read-only' | 'workspace-write' | 'danger-full-access' +``` + +Only the first two modes can be sent to a provider. A `danger-full-access` consumer spawns its original argv and does not call `ctx.sandbox`. + +```ts type-equiv +type ConfinedSandboxMode = Exclude +``` + +Enforcement is a reported fact. `full` means the backend governs every file effect promised by the mode; `partial` means an active backend or older kernel ABI governs only a subset, so consumers that require the absolute promise must reject or surface that distinction. + +```ts type-equiv +type SandboxEnforcement = 'full' | 'partial' +``` + +## Per-call policy + +The policy is fully resolved and carried per call. This permits concurrent consumers and one-shot escalated retries to ask the same provider for different boundaries without mutating provider state. + +```ts type-equiv +interface SandboxPolicy { + /** The file-effect mode this execution runs under. */ + mode: ConfinedSandboxMode + /** Absolute root directory `workspace-write` may write under. */ + workspaceRoot: string +} +``` + +## Wrapped argv and classification dialects + +`ConfinedArgv` is what the consumer spawns. Besides the replacement argv, it carries the backend's enforcement fact and two orthogonal stderr dialects. `denialSignatures` identify the confined command being blocked while the sandbox works correctly. `runnerFailureSignatures` identify the sandbox runner refusing or failing before it executes the command; consumers check these first and surface a sandbox infrastructure failure, never an ordinary task failure. + +```ts type-equiv +interface ConfinedArgv { + /** The wrapped argv (runner, profile, separator, then the caller's argv). */ + argv: string[] + /** How completely the selected backend enforces the policy's file effects. */ + enforcement: SandboxEnforcement + /** + * The selected backend's denial DIALECT: the case-insensitive stderr + * substrings a file effect denied by THIS backend produces (EROFS text + * under bwrap's read-only binds, EACCES under Landlock, EPERM under + * Seatbelt). A consumer that infers denials from a failed run's stderr + * matches against exactly these rather than a cross-backend union — the + * union claims denials a given backend never produces. + */ + denialSignatures: readonly string[] + /** + * How the RUNNER ITSELF failing identifies itself: case-insensitive stderr + * substrings produced when the sandbox binary is missing, refuses its + * profile, or fails closed before exec'ing the command (`bwrap: `, + * `landlock-run: `, `sandbox-exec: ` — each covers both the runner's own + * error prefix and the shell's runner-not-found message). ORTHOGONAL to + * {@link denialSignatures}: a denial is the confined COMMAND being blocked + * (the sandbox working as designed); a runner failure means the command + * NEVER RAN and must surface as a sandbox failure, not a task failure — + * consumers check these signatures FIRST (a runner's own error text may + * contain denial words, e.g. an unopenable grant root reporting + * `Permission denied`). + */ + runnerFailureSignatures: readonly string[] +} +``` + +An operator-configured local runner must supply at least one `runnerFailureSignatures` entry for its own pre-exec refusal dialect; the provider adds outer-shell missing and unexecutable forms automatically. This makes an executable custom runner rejecting its profile distinguishable from the wrapped command exiting with the same status. + +## Provider and fail-closed errors + +`ctx.sandbox.confine(argv, policy)` returns a `ConfinedArgv` or throws `SandboxUnavailableError` with code `SANDBOX_UNAVAILABLE` when no usable backend exists. A selected runner can also fail closed at execution time, in which case its failure signature carries the same infrastructure meaning. Silent unconfined passthrough is never legal for a confined policy. + +Provider probing arbitrates between multiple candidates and is cached for the provider lifetime. A platform with one candidate may select it directly; execution-time refusal retains the safety property. The local provider reports bwrap and Seatbelt as full and preserves the Landlock launcher's full/partial kernel verdict. diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index 2f9e569950..f6d7e8d923 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -10,7 +10,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/created` | `emit` | [`packages/core/agent/src/types.ts:265`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`emit`) | [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:272`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`emit`) | [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/error` | `emit` | [`packages/core/agent/src/types.ts:476`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | -| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:357`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`approval`](../packages/approval/approval), [`compact-basic`](../packages/compact/compact-basic) | +| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:357`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`user-approval`](../packages/ui/user-approval) | | `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:370`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | | `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:290`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | | `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:394`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | @@ -19,7 +19,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `agent/status` | `emit` | [`packages/core/agent/src/types.ts:281`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) | | `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:451`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | | `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:464`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `approval/request` | `waterfall` | [`packages/approval/approval/src/index.ts:64`](../packages/approval/approval/src/index.ts) | [`approval`](../packages/approval/approval) (`waterfall`) | [`acp`](../packages/ui/acp) | +| `approval/request` | `waterfall` | [`packages/ui/user-approval/src/index.ts:64`](../packages/ui/user-approval/src/index.ts) | [`user-approval`](../packages/ui/user-approval) (`waterfall`) | [`acp`](../packages/ui/acp) | | `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:123`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:138`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) | | `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:109`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | diff --git a/docs/module-graph.md b/docs/module-graph.md index 015f22677a..064a154f2e 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -87,11 +87,9 @@ flowchart TD pkg_app_boot["app-boot"] pkg_stdio_agent["stdio-agent"] pkg_tool_ask_user["tool-ask-user"] + pkg_user_approval["user-approval"] pkg_user_interaction["user-interaction"] end - subgraph group_approval["packages/approval"] - pkg_approval["approval"] - end subgraph group_code_runtime["packages/code-runtime"] pkg_code_runtime["code-runtime"] pkg_code_runtime_worker["code-runtime-worker"] @@ -155,22 +153,22 @@ flowchart TD pkg_invariants --> pkg_agent pkg_invariants --> pkg_llm pkg_invariants --> pkg_session + pkg_user_approval --> pkg_agent + pkg_user_approval --> pkg_brand + pkg_user_approval --> pkg_llm + pkg_user_approval --> pkg_session + pkg_user_approval --> pkg_system_prompt pkg_user_interaction --> pkg_agent pkg_user_interaction --> pkg_llm - pkg_approval --> pkg_agent - pkg_approval --> pkg_brand - pkg_approval --> pkg_llm - pkg_approval --> pkg_session - pkg_approval --> pkg_system_prompt pkg_workflow --> pkg_agent pkg_workflow --> pkg_brand pkg_workflow --> pkg_llm pkg_tools --> pkg_agent - pkg_tools --> pkg_approval pkg_tools --> pkg_code_runtime pkg_tools --> pkg_llm pkg_tools --> pkg_session pkg_tools --> pkg_system_prompt + pkg_tools --> pkg_user_approval pkg_bash_sandbox --> pkg_bash pkg_bash_sandbox --> pkg_bash_local pkg_bash_sandbox --> pkg_sandbox @@ -181,12 +179,12 @@ flowchart TD pkg_agent_loop --> pkg_system_prompt pkg_agent_loop --> pkg_tools pkg_tool_bash --> pkg_agent - pkg_tool_bash --> pkg_approval pkg_tool_bash --> pkg_bash pkg_tool_bash --> pkg_llm pkg_tool_bash --> pkg_sandbox pkg_tool_bash --> pkg_system_prompt pkg_tool_bash --> pkg_tools + pkg_tool_bash --> pkg_user_approval pkg_tool_fs --> pkg_fs pkg_tool_fs --> pkg_llm pkg_tool_fs --> pkg_session @@ -212,13 +210,13 @@ flowchart TD pkg_hooks_codex --> pkg_session pkg_hooks_codex --> pkg_tools pkg_acp --> pkg_agent - pkg_acp --> pkg_approval pkg_acp --> pkg_bash pkg_acp --> pkg_llm pkg_acp --> pkg_sandbox pkg_acp --> pkg_session pkg_acp --> pkg_session_persistence pkg_acp --> pkg_tools + pkg_acp --> pkg_user_approval pkg_acp --> pkg_user_interaction pkg_tool_ask_user --> pkg_agent pkg_tool_ask_user --> pkg_tools @@ -323,13 +321,13 @@ flowchart TD | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`user-approval`](../packages/ui/user-approval) | `ui` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`user-interaction`](../packages/ui/user-interaction) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm) | -| [`approval`](../packages/approval/approval) | `approval` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | | [`workflow`](../packages/workflow/workflow) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | -| [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | +| [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`user-approval`](../packages/ui/user-approval) | | [`bash-sandbox`](../packages/bash/bash-sandbox) | `bash` | [`bash`](../packages/bash/bash), [`bash-local`](../packages/bash/bash-local), [`sandbox`](../packages/sandbox/sandbox) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | -| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) | | [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`subagent`](../packages/subagent/subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`tools`](../packages/core/tools) | | [`tool-web`](../packages/web/tool-web) | `web` | [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`web`](../packages/web/web) | @@ -337,7 +335,7 @@ flowchart TD | [`tool-todo`](../packages/todo/tool-todo) | `todo` | [`agent`](../packages/core/agent), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | | [`tool-cordis`](../packages/cordis/tool-cordis) | `cordis` | [`tools`](../packages/core/tools) | | [`hooks-codex`](../packages/hooks/hooks-codex) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | -| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`approval`](../packages/approval/approval), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | +| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval), [`user-interaction`](../packages/ui/user-interaction) | | [`tool-ask-user`](../packages/ui/tool-ask-user) | `ui` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | | [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | `guard` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools) | | [`tool-workflow`](../packages/workflow/tool-workflow) | `workflow` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`workflow`](../packages/workflow/workflow) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index 314ab82630..289b3c4755 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -23,7 +23,7 @@ An approval question was put to the answerer chain — log-only audit (like `hoo Types: [CallId](core-data-structures/core.md) -Source: [`packages/approval/approval/src/index.ts:78`](../packages/approval/approval/src/index.ts) +Source: [`packages/ui/user-approval/src/index.ts:78`](../packages/ui/user-approval/src/index.ts) #### `approval/decided` — log-only @@ -33,7 +33,7 @@ The outcome of a prior `approval/asked` (same `id`) — log-only audit. Exactly 'approval/decided': { id: ApprovalRequestId; outcome: ApprovalOutcome } ``` -Source: [`packages/approval/approval/src/index.ts:89`](../packages/approval/approval/src/index.ts) +Source: [`packages/ui/user-approval/src/index.ts:89`](../packages/ui/user-approval/src/index.ts) #### `approval/policy` — log-only @@ -43,7 +43,7 @@ The session's approval policy was switched — log-only, durable, replayable, ne 'approval/policy': { policy: ApprovalPolicy } ``` -Source: [`packages/approval/approval/src/index.ts:101`](../packages/approval/approval/src/index.ts) +Source: [`packages/ui/user-approval/src/index.ts:101`](../packages/ui/user-approval/src/index.ts) ### `assistant/*` diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md index 9d1555e6ee..44d5fd972f 100644 --- a/docs/rfc/INDEX.md +++ b/docs/rfc/INDEX.md @@ -8,8 +8,6 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | Title | First proposed | |---|---| -| [Agent Client Protocol (ACP) support — drive the coding agent from external editors](proposed/feature/2026-06-14-acp-agent-client-protocol.md) | 2026-06-14 | -| [Multiplex concurrent ACP sessions over one connection](proposed/feature/2026-06-14-acp-multi-session.md) | 2026-06-14 | | [Pre-tool input rewrite — a consistent design](proposed/feature/2026-06-30-pre-tool-input-rewrite.md) | 2026-06-30 | | [Claude Code and Codex subagent backends (out-of-process delegation to external coding agents)](proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md) | 2026-07-07 | @@ -49,6 +47,8 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | Title | First proposed | |---|---| +| [Agent Client Protocol (ACP) support — drive the coding agent from external editors](implemented/feature/2026-06-14-acp-agent-client-protocol.md) | 2026-06-14 | +| [Multiplex concurrent ACP sessions over one connection](implemented/feature/2026-06-14-acp-multi-session.md) | 2026-06-14 | | [Code Mode — the model writes TypeScript against the tool registry](implemented/feature/2026-06-15-code-mode.md) | 2026-06-15 | | [Filesystem tool schemas — model-facing read/write/edit shapes](implemented/feature/2026-06-17-filesystem-tool-schemas.md) | 2026-06-17 | | [Rich ACP bash rendering — the terminal card via the `_meta` convention](implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md) | 2026-06-18 | diff --git a/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md b/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md index 135c1671f6..1d3ce8929c 100644 --- a/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md +++ b/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md @@ -6,7 +6,7 @@ Status: implemented ## Problem -Sessions lived only in memory. The example `session-jsonl.ts` plugin (duplicated byte-for-byte in both examples) was write-only telemetry: it buffered `session/event` and appended JSON lines, with no read/replay path, no crash-safety (no fsync, no atomic write, a fire-and-forget dispose drain), no listing, and no format versioning. Nothing could rehydrate a past session from disk into a live agent, so durable resume ("continue yesterday's task"), durable forking, and the ACP `session/load` method ([ACP support](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md)) were all impossible. +Sessions lived only in memory. The example `session-jsonl.ts` plugin (duplicated byte-for-byte in both examples) was write-only telemetry: it buffered `session/event` and appended JSON lines, with no read/replay path, no crash-safety (no fsync, no atomic write, a fire-and-forget dispose drain), no listing, and no format versioning. Nothing could rehydrate a past session from disk into a live agent, so durable resume ("continue yesterday's task"), durable forking, and the ACP `session/load` method ([ACP support](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md)) were all impossible. The [event-sourced model](2026-06-11-event-sourced-sessions.md) makes the append-only log the single source of truth and derives LLM history from it. Persistence had to stay faithful to that: persist the existing `SessionEvent` directly, with no parallel "persisted message" type that the log is converted to and from. The backend also had to be swappable — a file store now, a database store later — behind one interface. @@ -33,4 +33,4 @@ Format versioning: the header carries a `version`; `load` rejects any non-curren ## Consequences -Two new packages and the metadata seam in `dsh-session` (`session.header`, the `create(id?, options?)` signature). Bought: durable resume/fork, a read/replay path, crash tolerance, and the foundation the ACP `session/load` ([ACP support](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md)) needs — all over the existing event-sourced log, with the backend swappable behind one interface. The reusable `runPersistenceContract` suite holds every backend to the same append-only / contiguous-seq / lazy-materialization / serializability semantics. This completes [event-sourced sessions](2026-06-11-event-sourced-sessions.md)'s deferred "real persistence backend" and resolves its `TODO(review)` on the event vocabulary: persisting the log freezes its shape, and the `assistant/chunk` fidelity question is answered above (persist verbatim). +Two new packages and the metadata seam in `dsh-session` (`session.header`, the `create(id?, options?)` signature). Bought: durable resume/fork, a read/replay path, crash tolerance, and the foundation the ACP `session/load` ([ACP support](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md)) needs — all over the existing event-sourced log, with the backend swappable behind one interface. The reusable `runPersistenceContract` suite holds every backend to the same append-only / contiguous-seq / lazy-materialization / serializability semantics. This completes [event-sourced sessions](2026-06-11-event-sourced-sessions.md)'s deferred "real persistence backend" and resolves its `TODO(review)` on the event vocabulary: persisting the log freezes its shape, and the `assistant/chunk` fidelity question is answered above (persist verbatim). diff --git a/docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md b/docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md new file mode 100644 index 0000000000..293b1bbde6 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md @@ -0,0 +1,57 @@ +# RFC: Agent Client Protocol (ACP) support — drive the coding agent from external editors + +Status: implemented + +## Problem + +The harness originally exposed agents only through a readline loop. That surface could carry text, but it gave an editor no structured way to create or resume sessions, correlate prompt completion, stream reasoning and tool activity, render tool-specific UI, ask for permission, or cancel one conversation without disturbing another. ACP defines those interactions as JSON-RPC over stdio, and Zed is the target client used to make concrete compatibility decisions. + +The bridge must preserve the harness's existing ownership boundaries. It cannot depend on the concrete agent loop, bypass the tool registry, execute shell commands in the editor, or invent a second source of session truth. stdout is also the protocol transport, so any accidental log output corrupts the connection. + +## Decision + +`@deepseek-ai/dsh-acp` is a UI/client-driver plugin under `packages/ui/acp`. It uses `@agentclientprotocol/sdk`'s `AgentSideConnection` over stdin/stdout and programs only interface services: the agent create/resume factory, session persistence, tool registry, user interaction, and optional approval/bash capabilities. It does not change the agent loop and is not a capability-seam implementation. + +The bridge implements the following stable session path: + +- `initialize` negotiates the protocol version, advertises text plus `resource_link` prompts, and advertises `loadSession`. +- `session/new` validates an absolute `cwd`, stores it in `SessionHeader`, creates an agent through `ctx.agents`, and returns any composition-backed config options. +- `session/load` validates the requested cwd against persisted metadata before constructing an agent, reserves the id across the asynchronous resume, replays user/assistant/tool events as ACP updates, and reports the resumed config-option fold. +- `session/prompt` accepts text and resource links, rejects unsupported or empty content, allows one in-flight prompt per session, and settles against that prompt's owning `turn/end`. An error turn rejects the RPC; other closed turn reasons map through a total ACP stop-reason codec. +- `session/cancel` calls the queue-aware agent cancel path and settles only the addressed session's prompt. + +Tool-call presentation remains tool-owned. A tool's `presentCall` and `presentResult` return the `generic`, `terminal`, or `diff` render-intent variants; the bridge switches on that union and maps it to ACP. Presenter-less tools receive a generic fallback. Bash terminal cards use Zed's capability-gated `_meta.terminal_info`, `_meta.terminal_output`, and `_meta.terminal_exit` convention; the harness still executes the command through `ctx.bash`, preserving sandbox, environment scrub, ownership, and cwd. Clients without that extension receive ordinary text content. Filesystem tools provide diff cards and file locations without hard-coded tool-name branches in the bridge. + +Permission handling is an answerer on the [user-approval seam](2026-07-06-approval-seam.md), not an ask-every-tool policy in ACP. An `approval/request` for a bridge-owned agent with a call id becomes `session/request_permission` on that agent's editor session, with one-shot allow/reject choices. Foreign or call-less requests delegate; a missing or failed answerer remains fail-closed. The plugin that asks—such as a pre-execute policy or bash escalation—owns the decision to ask. + +The bridge advertises ACP config options instead of session modes. `sandbox-mode` exists only when the mounted bash executor reports sandbox capability, and `approval-policy` exists only when `ctx.approval` is composed. Each option is an independent select whose current value is the session event fold over the composition default. `session/set_config_option` validates against the owning domain vocabulary and writes through `setSandboxMode` or `setApprovalPolicy`. An open-turn switch appends immediately; an idle switch is overlaid in the response and anchored at the next turn start. Until that anchor it is memory-only and a crash reverts to the durable fold. ACP session modes are deliberately not modeled because one mode list cannot represent these orthogonal knobs and config options are the forward protocol surface. Runtime model selection remains outside this decision; `AcpConfig.model` is connection-wide. + +The bridge also provides the ACP-backed `UserInteractionProvider`: `ask_user_question` requests become form elicitations on the owning session. Select, multi-select, option descriptions, and custom-answer override semantics are preserved. + +Lifecycle ownership is explicit. The bridge holds an `AgentHandle` per live session. Disconnect and Cordis disposal cancel pending prompts, dispose every handle in parallel, await loop quiescence and persistence flush, and then remove the records. Stream notification failures are contained so a vanished client cannot corrupt an agent turn. The ACP app composition loads no stdout logger; a test guards stdout as framed JSON-RPC only. + +The precise supported and deferred protocol rows live in [`packages/ui/acp/acp-feature-support.md`](../../../../packages/ui/acp/acp-feature-support.md); the package README is the operational contract. + +## Alternatives considered + +**A prepended `tools/execute` listener that asks on every ACP-owned call** — rejected. It would hard-code permission policy into the UI bridge, ask even when no policy requires it, and could not serve approval requests that arise after execution begins. The shared user-approval seam keeps mechanism, asking policy, and UI answerer separate. + +**Inject the concrete `agentLoop`** — rejected. Agent creation, resume, idle observation, and disposal are interface-level ownership operations on `dsh-agent`; a UI plugin does not need a dependency-rule exception. + +**Execute bash through ACP `terminal/*`** — rejected. That would move execution outside the harness and bypass its sandbox, credential scrub, task ownership, cwd resolution, and session log. Terminal metadata is presentation only. + +**Represent sandbox and approval as ACP session modes** — rejected. They are independent composable settings, while a single current mode is mutually exclusive. ACP config options represent both without a cross-product and match the protocol's forward direction. + +**Hijack stdout defensively** — rejected. Process-wide monkey-patching is outside Cordis effect ownership and races the protocol transport. The app composition owns stdout purity. + +## Consequences + +Editors can create, load, prompt, cancel, render, ask, and reconfigure multiple harness sessions over one ACP connection without a loop-specific dependency. The session event log remains the durable source for replay, prompt settlement, cwd, and per-session configuration. Tool presentation and human-answer channels remain extensible plugin contracts instead of ACP-specific behavior. + +The bridge deliberately does not implement session list/delete/resume/close capabilities, MCP passthrough, additional directories, image/audio/embedded-resource prompts, runtime model selection, plans, slash commands, usage updates, editor filesystem delegation, or the ACP terminal execution sub-protocol. The feature checklist records these as unsupported rather than silently accepting them. + +An idle config selection is truthful in the live response but not durable until the next turn anchors it. Crashing before that boundary loses the pending selection; this is the cost of keeping session events turn-enclosed and replay-safe. + +## Verification + +The ACP suites cover the in-memory protocol codec, create/load replay, exact prompt settlement, cancellation races, unsupported content, tool presentation, terminal capability fallback, permission outcome mapping, config-option validation and persistence, multi-session isolation, disconnect/disposal quiescence, and HMR cleanup. Snapshot and built-bin tests exercise the app composition, while the real-API e2e self-skips without a key. diff --git a/docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md b/docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md new file mode 100644 index 0000000000..77fa2b4669 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md @@ -0,0 +1,37 @@ +# RFC: Multiplex concurrent ACP sessions over one connection + +Status: implemented + +## Problem + +An ACP editor can keep several conversations alive over one agent subprocess. A single-active-session bridge would force extra processes and would not match Zed's client model, which tracks multiple session ids and concurrent loads. Multiplexing introduces isolation risks: events, prompt completion, cancellation, permission prompts, config selections, and predictable background-task ids must never cross session boundaries. + +## Decision + +The ACP bridge stores live sessions in `Map` and keeps a `WeakMap` reverse index for agent-scoped callbacks. A record owns its agent handle, in-flight prompt, live tool-call presentation state, pending idle config switches, session cwd, and client capability snapshot. A separate loading-id set reserves each id before asynchronous resume so two pipelined loads cannot construct duplicate agents; distinct ids may load concurrently. + +Every `session/event` and `agent/status` callback resolves the owning record before sending or settling anything. Each session permits one in-flight prompt independently. The prompt records a log watermark, captures its own `turn/start`, and settles only on the matching `turn/end`; a late end from a cancelled prior turn cannot resolve a newer prompt. `session/cancel` addresses one record and calls only that agent's queue-aware cancel path. + +Permission ownership uses the same reverse index. The ACP `approval/request` answerer prompts only the editor session that owns the requesting agent and delegates foreign requests. User-interaction elicitations likewise route by agent ownership. Per-session sandbox and approval config values fold only that session's events, with pending idle switches stored on that record until the next turn anchors them. + +Background bash tasks carry an opaque owner token equal to the owning session id. `bash_output` and `bash_kill` compare the caller's token with the executor's task ownership before reading or killing; a predictable task id alone grants no access. Ownership is stored with the executor task, so a tool plugin reload does not erase it. + +Connection teardown clears the live map, settles each pending prompt as cancelled, and disposes all `AgentHandle`s in parallel. Each handle stops and awaits its loop, flushes the session while attached, unregisters the agent, and removes the session. Teardown is memoized and shared by client disconnect and plugin disposal. + +## Alternatives considered + +**One live session per connection** — rejected. It adds process overhead and contradicts the target client's multi-session shape without removing multiplexing needs from the editor. + +**A per-session `ctx.extend()`** — rejected. A child context does not by itself create a child plugin fiber, so listeners would still belong to the bridge fiber. The implemented bridge instead uses global listeners with explicit O(1) demultiplexing and per-session owned records; agent lifecycle is owned by `AgentHandle`. + +**Agent object identity as bash-task ownership** — rejected. A resumed or replaced agent object may legitimately represent the same durable session. The opaque session token is the cross-boundary identity that should survive plugin reloads. + +## Consequences + +N sessions can stream, prompt, request permission, switch config, and run background tasks concurrently without interleaving or cross-settling. A cancel or dispose in one session does not affect its neighbors. The bridge pays for explicit maps and isolation tests, but it does not add one listener set per session and therefore avoids listener fan-out during long-lived connections. + +The bridge still exposes no protocol method to close one live session independently. Today records leave together on connection teardown; session close/resume lifecycle capabilities remain deferred in the ACP feature checklist. + +## Verification + +The multi-session suite drives concurrent sessions through interleaved updates, independent in-flight prompts, targeted cancellation, same-id and distinct-id load races, permission routing, config isolation, and teardown. Tool-bash tests prove one session cannot read or kill another session's background task. diff --git a/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md b/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md index bca351e906..5eb38f1f99 100644 --- a/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md +++ b/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md @@ -4,7 +4,7 @@ Status: implemented ## Problem -The ACP bridge lets each tool own its call rendering via `presentCall`/`presentResult` (see [tool-call UI presentation](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md) and `packages/core/tools`). For `bash` we surface the exact command as the `tool_call` title, the model's `description` as a content text block, `kind: 'execute'`, and the completed output wrapped in a fenced ` ```console ` text block. +The ACP bridge lets each tool own its call rendering via `presentCall`/`presentResult` (see [tool-call UI presentation](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md) and `packages/core/tools`). For `bash` we surface the exact command as the `tool_call` title, the model's `description` as a content text block, `kind: 'execute'`, and the completed output wrapped in a fenced ` ```console ` text block. That is a correct, capability-free baseline, but not how the reference editors render a *terminal* tool at its best. An editor like Zed has a dedicated terminal tool-call card — a header showing the working directory, the command as the label, the command output rendered as a terminal, and an exit-status pill — but it only builds that card when the `tool_call` carries terminal metadata (below). With a plain text block the output appears as static markdown and there is no cwd header. (Zed also HIDES `rawInput` for `kind: 'execute'`, which is why the command IS the title — both reference adapters do the same. The human-readable description rides as a separate content block above the card; note this is a DELIBERATE divergence — claude-agent-acp DROPS the description in terminal mode and renders only the card — we keep the summary visible alongside.) diff --git a/docs/rfc/implemented/feature/2026-07-06-approval-seam.md b/docs/rfc/implemented/feature/2026-07-06-approval-seam.md index a5f6efd2d1..eddb3ba733 100644 --- a/docs/rfc/implemented/feature/2026-07-06-approval-seam.md +++ b/docs/rfc/implemented/feature/2026-07-06-approval-seam.md @@ -10,7 +10,7 @@ The routing problem is ownership: an approval prompt must reach the editor sessi ## Decision -One package, `dsh-approval` (`packages/approval/approval`), owning the vocabulary and the `ctx.approval` service — the MECHANISM. The POLICY — who answers, and whether a session is asked at all — lives outside it: answerers are `approval/request` waterfall listeners registered by the plugins that own the channel (the ACP bridge; future terminal UIs; test scripts), and a per-session policy tier can decide before any human is involved. Consumers (`dsh-tools`' ask routing, the sandbox escalation gate) resolve a question to a closed outcome and derive their own tool results from it. Deliberately ONE package, not the capability-seam three (see Alternatives). +One package, `dsh-user-approval` (`packages/ui/user-approval`), owning the vocabulary and the `ctx.approval` service — the MECHANISM. The POLICY — who answers, and whether a session is asked at all — lives outside it: answerers are `approval/request` waterfall listeners registered by the plugins that own the channel (the ACP bridge; future terminal UIs; test scripts), and a per-session policy tier can decide before any human is involved. Consumers (`dsh-tools`' ask routing, the sandbox escalation gate) resolve a question to a closed outcome and derive their own tool results from it. Deliberately ONE package, not the capability-seam three (see Alternatives). ### How a deployment uses it @@ -18,7 +18,7 @@ One `cordis.yml` entry mounts the seam; not loading it is the opt-out — consum ```yaml - id: approval - name: '@deepseek-ai/dsh-approval' + name: '@deepseek-ai/dsh-user-approval' # config: # policy: never # deployment default for sessions without an override; 'ask' when omitted ``` @@ -53,7 +53,7 @@ The `escalation-rejected` twin ends in `{"outcome": "rejected"}` instead: nothin Answerers are the policy, and they are `approval/request` waterfall listeners. The waterfall buys exactly what the seam needs: with zero listeners the dispatch falls through to the caller-supplied default — `unavailable`, so fail-closed needs no configuration and no code in any deployment; a listener that recognizes the request's agent answers by returning an outcome without calling `next()` (the decision slot is single-occupancy, first answer wins — the same documented semantics as the `fs/write-intent` gate); a listener that does not recognize the agent MUST delegate via `next()` so another answerer or the default gets the question; and listeners dispose with their owning fiber, so an unloaded UI plugin degrades the next ask to `unavailable` instead of leaving a dangling channel. Registration order across sibling plugins is not load-order deterministic (the loader starts siblings concurrently), so a deployment composes ONE terminal answerer and reserves `prepend` listeners for decide-or-delegate gates. -`ApprovalRequest` carries the asking `agent` (routes the question; receives the audit events), the `toolName`, the optional exact `callId`, the asker's human-readable `reason`, and the optional `signal`. The vocabulary is deliberately self-contained — it names the tool-call by the `CallId` brand from `dsh-llm` and never imports `dsh-tools` — because `dsh-tools` depends on `dsh-approval` (the ask routing) and a `ToolCallView` import would close a package cycle. It deliberately does NOT carry tool arguments: a UI answerer attaches the prompt to the already-streamed tool call via `callId` instead of re-rendering the call. +`ApprovalRequest` carries the asking `agent` (routes the question; receives the audit events), the `toolName`, the optional exact `callId`, the asker's human-readable `reason`, and the optional `signal`. The vocabulary is deliberately self-contained — it names the tool-call by the `CallId` brand from `dsh-llm` and never imports `dsh-tools` — because `dsh-tools` depends on `dsh-user-approval` (the ask routing) and a `ToolCallView` import would close a package cycle. It deliberately does NOT carry tool arguments: a UI answerer attaches the prompt to the already-streamed tool call via `callId` instead of re-rendering the call. #### Ask routing in dsh-tools @@ -67,7 +67,7 @@ The seam also owns the session-scoped approval policy — the approval knob of t The bridge registers the first real answerer: it resolves the owning session through its existing `WeakMap` reverse map, issues `session/request_permission` with the request's `callId` as the `toolCall` reference and the one-shot options `allow_once`/`reject_once`, and maps the response — selected `allow-once` → `allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled` → `cancelled`. A request for a foreign agent — or one without a `callId`, since the protocol prompt must attach to a tool call — delegates via `next()`. A rejected RPC (client gone mid-prompt) propagates to the service, which contains it as `unavailable`. Whether a call ASKS at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment. -The reverse-map ownership seam [the ACP support RFC](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md) laid down is exactly what the answerer routes through, and per-session permission ownership (the blocker recorded in [the multi-session RFC](../../proposed/feature/2026-06-14-acp-multi-session.md)) is what it implements. +The reverse-map ownership seam [the ACP support RFC](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md) laid down is exactly what the answerer routes through, and per-session permission ownership (the blocker recorded in [the multi-session RFC](../../implemented/feature/2026-06-14-acp-multi-session.md)) is what it implements. #### Audit, and what the model sees @@ -75,11 +75,11 @@ The reverse-map ownership seam [the ACP support RFC](../../proposed/feature/2026 #### Entities and dependencies -One package, no cycles: `dsh-approval` peers on `cordis`, `dsh-session` (event-map merge + append), `dsh-agent` (the `Agent` type), `dsh-llm` (`CallId`, via `dsh-brand`). `dsh-tools` and `dsh-acp` each peer on it; the escalation phase's asker lives in `dsh-tool-bash` (see [the sandbox RFC](2026-07-06-sandbox.md) § Escalation), so the sandbox family keeps its ZERO-edge relation (the executor contributes the per-call override mechanism, and transport seams never ask humans questions). The seam is one package, not the capability-seam three: the service body (dispatch + audit) has no replaceable implementation — the replaceable part is the answerer listeners, and those live with their owners (the bridge; future terminal UIs; test scripts). `@cordisjs/plugin-capability` stays orthogonal (a static grant registry answers "is this already authorized", not "ask the user now"), and `subagent-acp`'s child-side `permission` auto-answer is untouched — routing a child's approvals to the parent session is deferred (§ Deferred). +One package, no cycles: `dsh-user-approval` peers on `cordis`, `dsh-session` (event-map merge + append), `dsh-agent` (the `Agent` type), `dsh-llm` (`CallId`, via `dsh-brand`). `dsh-tools` and `dsh-acp` each peer on it; the escalation phase's asker lives in `dsh-tool-bash` (see [the sandbox RFC](2026-07-06-sandbox.md) § Escalation), so the sandbox family keeps its ZERO-edge relation (the executor contributes the per-call override mechanism, and transport seams never ask humans questions). The seam is one package, not the capability-seam three: the service body (dispatch + audit) has no replaceable implementation — the replaceable part is the answerer listeners, and those live with their owners (the bridge; future terminal UIs; test scripts). `@cordisjs/plugin-capability` stays orthogonal (a static grant registry answers "is this already authorized", not "ask the user now"), and `subagent-acp`'s child-side `permission` auto-answer is untouched — routing a child's approvals to the parent session is deferred (§ Deferred). ### Testing -Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. +Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-user-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. Snapshot tier: the harness accepts scripted permission answers (`permissionAnswers` in a scenario's `input.json`, consumed FIFO; an unscripted prompt answers `cancelled`, fail closed). The seam's wire is recorded end to end in the sandbox example's suite: both escalation branches drive `session/request_permission` through this seam over scripted answers (grant and rejection), and the recorded `mode-switching` scenario pins the `'never'` prompt sentence and the policy-switch notice ([the sandbox RFC](2026-07-06-sandbox.md) § Testing). @@ -92,7 +92,7 @@ Snapshot tier: the harness accepts scripted permission answers (`permissionAnswe ## Alternatives considered - **A single registered provider instead of waterfall listeners** — rejected: a `registerProvider()` surface forces every composition question — allowlist pre-filters, external hook deciders, scripted test answers, a policy gate in front of a human — inside one provider implementation. The waterfall gets composition, fail-closed absence, and HMR disposal from machinery the runtime already has; the seam's JSDoc pins the single-decision-slot convention instead of inventing a provider registry. -- **[The ACP support RFC](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md)'s inline `tools/pre-execute` permission gate** — rejected, and superseded by this seam: prompting for every bridge-owned call hardwires the asking POLICY into the UI plugin, cannot serve a second asker (sandbox escalation happens after execution starts, with no pre-execute moment), and leaves hooks' `ask` — the vocabulary the interception seams already ship — unserviced. +- **[The ACP support RFC](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md)'s inline `tools/pre-execute` permission gate** — rejected, and superseded by this seam: prompting for every bridge-owned call hardwires the asking POLICY into the UI plugin, cannot serve a second asker (sandbox escalation happens after execution starts, with no pre-execute moment), and leaves hooks' `ask` — the vocabulary the interception seams already ship — unserviced. - **A generic user-interaction seam (`ctx.userInteraction`) instead** — rejected: the two share a skeleton (route by agent, block for a human, handle absence), but approval's contract is narrower in every dimension that matters: a closed outcome vocabulary instead of free text, a protocol-native prompt attached to a tool call instead of a generic form, mandatory fail-closed absence, and audit events. The generic seam has since shipped (`packages/ui/user-interaction`, the `ask_user_question` tool over ACP elicitation) and approval deliberately still does not ride it — an elicitation form is not a permission prompt, and a free-text answer is not a closed outcome; sharing provider plumbing stays open if the two ever converge. - **Static optional injection in `dsh-tools`** — rejected: the vendored cordis `Inject` type has no optional flag — the object form maps service names to intercept config, and a declared inject gates the fiber. `ctx.get('approval')` is the documented opportunistic-consumption pattern (the `tool-bash` owner-token lookup, the loop's persistence probe), reads presence per call, and degrades correctly across HMR without extra machinery. - **The capability-seam three-package split** — rejected: interface/implementation/consumer fits a seam whose implementation is swappable (bash-local vs bash-sandbox). Here the service body is fixed mechanism and the variable part is listeners that live with their owners — splitting would manufacture an implementation package with nothing in it ("don't split preemptively"). @@ -137,5 +137,5 @@ In-repo precedents this design copies or contrasts with: - The `fs/write-intent` gate (`packages/fs/fs/`) — the documented single-occupancy decision-slot waterfall semantics (first answer wins, delegate via `next()`) the answerer contract reuses. - `hook/invoked`/`hook/result` — the log-only audit-pair precedent `approval/asked`/`approval/decided` follows; [the hook-bridges RFC](2026-06-30-hook-bridges.md) ships `permissionDecision: ask`, the first producer. - [The interception-seams RFC](2026-06-30-interception-seams.md) — the `tools/pre-execute` `allow`/`deny`/`ask` vocabulary whose `ask` this seam services. -- [The ACP support RFC](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md) — the `WeakMap` ownership seam the answerer routes through; [the multi-session RFC](../../proposed/feature/2026-06-14-acp-multi-session.md) — the per-session permission-ownership blocker this implements. +- [The ACP support RFC](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md) — the `WeakMap` ownership seam the answerer routes through; [the multi-session RFC](../../implemented/feature/2026-06-14-acp-multi-session.md) — the per-session permission-ownership blocker this implements. - The opportunistic `ctx.get()` consumption pattern (`tool-bash`'s owner-token lookup, the loop's persistence probe) — how `dsh-tools` consumes the seam without gating its fiber on it. diff --git a/docs/rfc/implemented/feature/2026-07-06-sandbox.md b/docs/rfc/implemented/feature/2026-07-06-sandbox.md index b9678e866e..cea1211487 100644 --- a/docs/rfc/implemented/feature/2026-07-06-sandbox.md +++ b/docs/rfc/implemented/feature/2026-07-06-sandbox.md @@ -27,7 +27,7 @@ Three `cordis.yml` entries turn an unconfined coding agent into the sandboxed pr mode: read-only # the deployment default every session starts from workspaceRoot: !!js process.cwd() # the boundary workspace-write may write under - id: approval - name: '@deepseek-ai/dsh-approval' # the escalation gate's channel (the approval RFC) + name: '@deepseek-ai/dsh-user-approval' # the escalation gate's channel (the approval RFC) ``` The swap is invisible to every consumer of `ctx.bash`: the bash tools, hook commands, and background tasks run exactly as before, spawned through the wrapped argv the provider returns. Deleting the `sandbox` and `bash` entries and loading `@deepseek-ai/dsh-bash-local` instead is the opt-out — execution is unconfined again and the escalation fields vanish from the tool schema, because they are capability-gated on the mounted executor, not on configuration. Omitting only `approval` keeps confinement but fails every escalation closed with its own error text. @@ -105,7 +105,7 @@ effective(session) = findLast(the session's own knob events)?.value ?? the compo The default is composition config (`cordis.yml`) — operator-owned, process-wide. A runtime switch is a SESSION-SCOPED override recorded as one log-only event in that session's own log. Restart immunity (resuming a session replays its log, so overrides come back with zero catch-up machinery) and multi-session isolation (one editor tab's `workspace-write` cannot disturb another's `read-only`) both fall out by construction, and no external config store exists anywhere. -**One event per knob, owned by its domain** — the merge-extensible `SessionEventMap` idiom every existing event family already follows (`approval/*` in `dsh-approval`, `hook/*` in the hooks packages): +**One event per knob, owned by its domain** — the merge-extensible `SessionEventMap` idiom every existing event family already follows (`approval/*` in `dsh-user-approval`, `hook/*` in the hooks packages): ```ts interface SessionEventMap { diff --git a/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md b/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md deleted file mode 100644 index 1f3f9b071b..0000000000 --- a/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md +++ /dev/null @@ -1,84 +0,0 @@ -# RFC: Agent Client Protocol (ACP) support — drive the coding agent from external editors - -Status: proposed - -> **Implementation status (MVP landed):** steps 1, 2, 3, 4, 6, 7, 8 are implemented in `packages/ui/acp` + `examples/acp-agent`. **Step 5 (the `session/request_permission` permission gate) is implemented in amended form** — not as this RFC's prepended ask-every-owned-call `tools/pre-execute` listener, but as the bridge's answerer on the [approval seam](../../implemented/feature/2026-07-06-approval-seam.md) (`ctx.approval`): an `ask` from a hook or gate plugin becomes an editor prompt routed through the `WeakMap` ownership seam this RFC laid down; whether a call asks is policy, so with no ask-producing plugin composed, tools keep the executor's full authority. Status stays `proposed` until the remaining deferred surface (modes/config options) settles. `session/cancel` is the queue-aware `agent.cancel()`: it aborts a running step, clears queued + steering work, and drops a turn that is about to start, so a queued-but-not-yet-started prompt never runs and a later prompt cannot be batched into the cancelled turn. **Per-session `cwd` is now honored** (lifting the original "launch the server in the workspace root" restriction — see § Deferred): `session/new` accepts any absolute `cwd`, and `session/load` requires the request `cwd` to match the persisted session `cwd` so the editor and bash executor agree on the workspace. - -## Problem - -The coding agent is reachable only through the readline `stdio-chat` plugin: it reads lines from stdin, calls `agent.send()`, and prints the assistant token stream (`session/event` `assistant/chunk`) to stdout. There is no structured protocol, so the agent cannot be embedded in an editor — no streaming render, no tool-call display, no permission UI, no resumable sessions. - -Editors are converging on the Agent Client Protocol (ACP), which Zed and others speak: JSON-RPC 2.0 over newline-delimited stdio, modeled on the Language Server Protocol. An editor boots the agent as a subprocess and exchanges `initialize` / `session/new` / `session/prompt`, rendering streamed `session/update` notifications and `session/request_permission` prompts. The goal is for the agent to be a drop-in ACP server — implement the protocol once and run in any ACP client, with no per-editor glue. - -This RFC has a hard prerequisite on [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md): it assumes durable session persistence (the `SessionPersistence` service and the async `AgentLoop.resume` seam) is implemented, so resuming a session via `session/load` is in scope. None of those APIs exist yet — `AgentLoop` currently exposes only the synchronous `create` — so ACP must land after, or in the same change as, [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md), and pins to its `resume(agentId, resumeSessionId)` contract. Session persistence persists every `SessionEvent` verbatim (including `assistant/chunk`), so a loaded session has the stream chunks needed to replay turns to the client. - -## Proposal - -A new plugin package `@deepseek-ai/dsh-acp` — a client-driver / UI plugin, the structured analogue of `stdio-chat`. It is NOT a change to the loop and NOT an [capability seams](../../implemented/architecture/2026-06-13-capability-seams.md) interface/implementation/consumer capability split; it consumes the existing `agent/*` event taxonomy and the `tools/pre-execute`/`tools/post-execute` waterfalls. - -It depends on the official `@agentclientprotocol/sdk` (the `AgentSideConnection` class) — Apache-2.0, actively versioned. The SDK declares a `zod` peer dependency and imports `zod/v4` at runtime, so `packages/ui/acp` must declare `zod` itself (per the workspace dependency constraints). This is the renamed successor to `@zed-industries/agent-client-protocol`, which is now deprecated on npm. - -The mapping between ACP and existing harness seams — each row names the seam and any required extension: - -| ACP (client ⇄ agent) | Harness seam | Notes | -|---|---|---| -| `initialize` | static handler | negotiate `protocolVersion` (echo the supported version, else error); advertise text-only `promptCapabilities` and `loadSession: true`; report agent name/version | -| `session/new {cwd, mcpServers, additionalDirectories}` → `{sessionId}` | the `dsh-agent` create factory (see Dependency note + Plan) | the seam must accept `{ sessionId, meta }` so the ACP-generated `sessionId` becomes the live/persisted session id and the validated `cwd` is attached as the `SessionHeader` (today `AgentLoop.create(id)` hardcodes `${id}-session` and takes no metadata); reject a 2nd session (single-session MVP, see [ACP multi-session](2026-06-14-acp-multi-session.md)); `cwd` validated (require absolute) — any absolute cwd is honored: it becomes the session's `SessionHeader.cwd` and the default bash workdir (per-session cwd, see § Deferred → RESOLVED), so the server need not launch in the workspace; non-empty `mcpServers` and `additionalDirectories` are rejected for the MVP because silently ignoring requested servers/roots would desync the client's tool and filesystem-scope UI | -| `session/load {sessionId, cwd, mcpServers, additionalDirectories}` | the `dsh-agent` resume factory ([session persistence](../../implemented/architecture/2026-06-14-session-persistence.md) + Dependency note) | load `{ meta, events }`, seed the session, re-derive history via `deriveMessages()`, replay prior turns to the client as `session/update` per the ACP load contract; `mcpServers` and `additionalDirectories` rejected as in `session/new` | -| `session/prompt {prompt}` | `agent.send()` (idle) | text blocks → `TextBlock`; reject image/audio per advertised capabilities; one in-flight prompt per session | -| resolve `session/prompt` → `{stopReason}` | the `turn/end` `session/event` (its `reason`) | map the harness kebab `TurnEndReason` to the ACP snake_case `StopReason` wire enum: `completed`→`end_turn`, `max-tokens`→`max_tokens`, `aborted`(cancel)→`cancelled`, plus `refusal`/`max_turn_requests` when applicable; honor the batch-into-one-turn and send-not-synchronously-running settle semantics | -| `session/update: agent_message_chunk` | `session/event` `assistant/chunk` `text-delta` only | do NOT also emit on `block-end(TextBlock)` — it carries the fully-assembled block and would duplicate the streamed text | -| `session/update: agent_thought_chunk` | `session/event` `assistant/chunk` `reasoning-delta` | | -| `session/update: tool_call` (pending→in_progress) | `session/event` `tool/call` | demux via a Session→sessionId map; `kind` inferred from the tool name | -| `session/update: tool_call_update` (completed/failed) | `session/event` `tool/result` | a throwing `tools/execute` yields NO `tool/result` → fail the pending tool UI from `agent/error`/turn-end | -| `session/request_permission {sessionId, toolCall, options}` | prepended `tools/execute` listener | no-op unless `exec.agent` is ACP-owned; await the outcome; `selected/allow_*` → `next()`; `reject_*`/`cancelled` → veto `ToolExecutionResult{isError}` | -| `session/cancel` (notification) | `agent.cancel(reason)` | the queue-aware cancel (abort running step, clear queued + steering, drop an about-to-start turn); settle the in-flight prompt as `cancelled`; resolve any pending permission as `cancelled` exactly once | - -The permission gate is the first real consumer of the `tools/execute` veto seam (the documented "single veto/sandbox/permission seam" plus the deferred "Permission system" TODO in [docs/architecture.md](../../../architecture.md)). It is a single global listener registered with `prepend: true` so it runs before any other tool wrapper. `ToolExecution.agent` is optional and the `Agent` interface carries no origin marker, so the bridge tracks ownership itself: it records each agent it creates in a `WeakMap` and the gate no-ops (calls `next()` immediately) for any `exec.agent` it does not own — non-ACP agents and the no-agent case pass straight through. For an owned agent it resolves the session, issues `session/request_permission`, and stores the pending resolver on that session's record so the outcome — or a `session/cancel`/connection-close — settles it exactly once. - -Lifecycle and disposal: the connection, listeners, and in-flight permission promises register via `ctx.effect`/`ctx.on`; teardown is async and must *reach* quiescence, not just request it — close the connection, settle/reject pending permissions, and dispose each owned agent through its `AgentHandle.dispose()` (which stops the loop, `await`s its exit, and unregisters). Owner teardown goes through that handle seam, not the loop's concrete `agent.done` (which exists only on `ReactLoopAgent`); a non-owner that merely wants to *observe* the current work settling without tearing the agent down awaits the interface-level `agent.whenIdle()`. Every listener contains its `send()` exceptions (log, never reject the turn) because stream chunks are emitted inside the model step, so a throwing listener would corrupt the turn. - -**Dependency note (architecture rule).** [docs/architecture.md](../../../architecture.md) states "plugins depend on interface packages, never on `dsh-agent-loop`." Creating and resuming agents is currently only on the concrete `AgentLoop` (`ctx.agentLoop`), so this RFC proposes adding an **abstract create/resume factory** to the `dsh-agent` interface (registry-level `create({ sessionId, meta })` / `resume(...)`), implemented by the loop, so `dsh-acp` injects only `agents` (the interface) and the dependency rule holds. The alternative — injecting the concrete `agentLoop` and recording a documented exception in the architecture doc — is explicitly the non-preferred fallback. - -## Plan - -1. Package scaffold `packages/ui/acp/` per [the cookbook](../../../cookbook/adding-a-package.md); add `@agentclientprotocol/sdk` and `zod`. Add the abstract create/resume factory to `dsh-agent` (the interface) so the bridge can `inject: ['agents', 'sessions', 'tools', 'sessionPersistence']` without depending on the concrete loop; `sessionPersistence` is required because `session/load` advertises `loadSession: true`. (Fallback only if the factory is judged not worth it: inject `agentLoop` directly and record the architecture-rule exception in `docs/architecture.md`.) -2. Connection plus `initialize`/`session/new`: wire `AgentSideConnection` to stdin/stdout; protocolVersion negotiation; the single-session guard; create the live session through the new `{ sessionId, meta }` factory seam (so the ACP `sessionId` and validated `cwd` become the session's id and header); the `sessionId↔agent` and `Session↔sessionId` maps. -3. Internal edit — turn-end reason fidelity (sanctioned: edit internals to fit ACP). Extend `TurnEndReasonMap` in the proper places: (a) declaration-merge a `max-tokens` variant in the owning package (`packages/core/session/src/types.ts`, alongside `completed|aborted|error|disposed`) — add `max-tokens` because `FinishReasonMap` produces it (DeepSeek maps `length` → `max-tokens`); do not add `refusal`, since no current adapter produces it (unknown DeepSeek finish reasons collapse to `error`), but leave a comment in `TurnEndReasonMap` noting `refusal` should be added when an adapter first emits it (`FinishReasonMap` is merge-extensible); (b) make `agent-loop`'s `loop.ts` populate the reason from the model `finish` chunk — `assembler.finish` lives inside `runStep`, so `runStep` must return it up to `runTurn`, and the rule is "the last step's finish reason wins, but any `max-tokens` in the turn surfaces as `max-tokens`"; (c) no consumer exhaustively switches over `TurnEndReason` today (the invariants plugin switches on `SessionEventType`, and `deriveMessages` ignores `turn/end`), so adding `max-tokens` is a non-breaking extension — but recheck before landing; (d) update [docs/architecture.md](../../../architecture.md) (the CI-verified loop-lifecycle/event-taxonomy doc) and the affected package READMEs/JSDoc (`dsh-session`, `dsh-agent`, `dsh-agent-loop`) per the repo doc-sync policy. This replaces a fragile "observe the finish chunk in the bridge" hack with a real, documented contract. -4. Prompt-turn streaming plus load: translate `session/event` (the `assistant/chunk` token stream plus boundaries and tool activity) into `session/update`; resolve `session/prompt` on settle, mapping the harness `TurnEndReason` to the ACP `StopReason` wire enum (`completed`→`end_turn`, `max-tokens`→`max_tokens`, `aborted`→`cancelled`) — a small total function with a test asserting the exact wire strings, since the SDK rejects an unknown `stopReason`. Concrete correlation, since the loop batches queued messages into one turn and `send()` does not synchronously flip to running: install the `session/event` listener before `send()`; capture the prompt's owning turn from its `turn/start` record, then resolve on that turn's `turn/end` (with `agent/status` idle/disposed as a fallback); reject an empty/whitespace prompt up front rather than calling `send()` (no turn would ever start, so the RPC would hang). Implement `session/load` on the session-persistence resume seam. -5. Permission gate: a single `tools/execute` listener registered with `prepend: true`, owning a `WeakMap` of bridge-created agents; no-op (`next()`) for unowned/no-agent calls; for owned calls → `session/request_permission` → allow (`next()`) / veto; settle the stored resolver exactly once on outcome, cancel, or connection close. -6. Example wiring (extract a shared base). `@cordisjs/plugin-include` is itself a plugin entry that resets `ctx.baseUrl` and loads a path, so a child `cordis.yml` can nest-include a shared base; the extraction is safe because every dependent plugin declares `inject` (loader groups initialize via `Promise.all`, so YAML order is NOT the dependency mechanism — never rely on it). Extract the provider/tool core (`llm, sessions, system-prompt, tools, agents, invariants, llm-deepseek, bash-local, tool-bash`) into `examples/base.yml`; have both `coding-agent` and a new `examples/acp-agent/` include it and add their own UI plugin plus logger. Keep `agent-loop` per-example (NOT in the base): `AgentLoop` creates its configured agents in its constructor, and the two examples disagree — `coding-agent` needs a pre-created `main` (its `stdio-chat` calls `ctx.agents.get('main')`), while `acp-agent` must pre-create none (ACP `session/new` creates agents). So `coding-agent` declares `agent-loop` with `agents: [{ id: main, … }]` and `acp-agent` with `agents: []`. `acp-agent` loads `dsh-session-persistence-jsonl` (from [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md) — required for `session/load`), omits the stdout logger (see Risks), and adds `pnpm run demo:acp` plus the Zed `agent_servers` snippet. -7. Tests (the repo cares a lot here): a property-based test for the protocol shape (precedent: [property-based testing](../../implemented/testing/2026-06-11-property-based-testing.md)) — fuzz arbitrary harness event sequences and assert ACP-stream invariants (never a `tool_call_update` before its `tool_call`; exactly one `session/prompt` resolution per prompt; monotonic, well-formed ordering; `stopReason` in the legal set); codec unit tests over an in-memory `Duplex` pair (drive `AgentSideConnection` without a subprocess; assert exact frames for `initialize`, `session/new`, a full prompt turn); the mandatory HMR-safety test (dispose the fiber; assert the connection closed, all `ctx.on` listeners gone, any in-flight `request_permission` settled); failure-path tests (connection closes mid-stream; closes with a permission pending; a notification `send()` rejects but the turn survives; `finish{kind:'error'|'aborted'}`; a `tools/execute` throw with no `tool/result`; a second `session/new` rejected; a `session/prompt` while one is in flight; an empty prompt rejected without hanging; a `session/load` re-derives identical history and replays it); and an e2e (`*.e2e.ts`, self-skips without `DEEPSEEK_API_KEY`) that boots `examples/acp-agent`, connects a `ClientSideConnection`, sends a real prompt, owns and disposes the harness in `afterEach`, and verifies the world (files on disk), not the agent's self-report. -8. Docs: module/JSDoc plus a package README; extend [the extension cookbook](../../../cookbook/extension-cookbook.md) with the client-driver pattern. Flip Status to `implemented` on landing; record a decision in this RFC only if it proves durable, contested, and surprising (candidates: the `tools/execute` permission-ownership rule, the npm-dependency choice) — not auto-required. - -Deferred (each names its owning future work): - -- Multiplexing concurrent sessions → [ACP multi-session](2026-06-14-acp-multi-session.md). -- ~~`cwd` honoring.~~ **RESOLVED.** Originally there was no path from `session/new.cwd` to the bash workdir (`tool-bash` forwarded only an explicit `args.workdir`; `LocalBashExecutor.resolve` defaulted to its own config or `process.cwd()`), so the MVP validated `cwd` (require absolute) AND required the server to launch in the workspace root, erroring on a mismatch. This is now lifted: the validated `cwd` is stored as `SessionHeader.cwd`, and `dsh-tool-bash` defaults the bash workdir to the calling agent's `session.header.cwd` (an explicit model `workdir` still wins; a relative one resolves against it). Any absolute `cwd` is honored — the server need not launch in the workspace, and N sessions can each target a different directory. Widening scope beyond the single cwd (`additionalDirectories`) remains deferred. -- Client `terminal/*` proxying (a live editor terminal) and `fs/*` (editor-rendered diffs) — a future `BashExecutor` over the [capability seams](../../implemented/architecture/2026-06-13-capability-seams.md) bash seam, gated on `clientCapabilities.terminal`. -- Image/audio prompts (blocked on the DeepSeek adapter, which skips `image` blocks today), modes, auth, `available_commands`/slash-commands, `plan`, and `usage_update`. - -## Alternatives considered - -- **A process-wide stdout hijack inside `dsh-acp`** (defensively monkey-patching `console.log` / `process.stdout.write`) — rejected: it lives outside Cordis' effect-scoped, HMR-friendly plugin model, races the connection's own stdout handoff, and fights the logger. The stdout guarantee is config-only. -- **Injecting `agentLoop` directly instead of the abstract create/resume factory** — the recorded fallback, taken only if the factory seam is judged not worth it, with the architecture-rule exception recorded in `docs/architecture.md`. - -## Acceptance criteria - -- The `acp-agent` example speaks ACP over stdio end-to-end: `initialize`, `session/new` with a validated absolute `cwd` honored as the session workspace, streamed `session/update` frames per prompt turn, `session/load` re-deriving identical history, and `session/prompt` resolving with the correct wire `stopReason`. -- stdout carries only framed JSON-RPC (asserted by test); the permission gate settles every `session/request_permission` exactly once — on outcome, cancel, or connection close. -- The plan's test set runs green: the property-based protocol invariants, the codec unit tests over an in-memory duplex pair, the HMR-safety test, the failure-path matrix, and the self-skipping real-API e2e that verifies the world. - -## Risks - -stdout is the protocol — guaranteed by config, not by monkey-patching. The console logger writes through `console.log` to stdout, so any stdout UI/logger plugin corrupts JSON-RPC. The guarantee is config-only: the `acp-agent` example loads no stdout plugin (no console logger, no `stdio-chat`) and, if logging is wanted, uses a stderr exporter. A defensive process-wide `process.stdout.write`/`console.log` hijack inside `dsh-acp` is explicitly rejected — it lives outside Cordis' effect-scoped, HMR-friendly plugin model, races the connection's own stdout handoff, and fights the logger. A test asserts the example emits only framed JSON-RPC on stdout. - -New third-party runtime dependency plus protocol drift: `@agentclientprotocol/sdk` is young (0.25.x, recently renamed) and evolving. Pin the version and isolate churn to the one bridge package. This is not a vendoring-policy violation — [vendoring Cordis as source](../../implemented/process/2026-06-11-vendor-cordis-as-source.md) vendors the framework; genuine third-party deps already live on npm (`@earendil-works/pi-ai`). - -Turn-settle and prompt-correlation hazards: honor "queued messages batch into one turn" and "`send()` does not synchronously flip to running" (see `stdio-chat.ts` and the defensive-patterns section of [docs/architecture.md](../../../architecture.md)); gate resolution on an observed running→idle transition and handle the empty-prompt / no-work branch so an RPC can't hang. - -Permission-await and disposal hangs: a pending `request_permission` whose connection closes or whose turn aborts must settle exactly once; disposal must reach quiescence — tear each owned agent down through `AgentHandle.dispose()` (which stops the loop and awaits its exit), rather than orphaning awaits on a closed pipe. - -The 100% per-file coverage gate (repo policy) makes a branch-heavy protocol bridge real work. Accepted deliberately, surfaced so it isn't a surprise at PR time. - -ACP protocol-shape details (exact method names, `session/update` variants, permission option kinds, stop reasons) are taken from the ACP spec and the `@agentclientprotocol/sdk` types; they are not independently verifiable until the dependency is added, so the implementation pins the SDK version and conforms to its types rather than to this RFC's prose where they differ. diff --git a/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md b/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md deleted file mode 100644 index 94395a5f06..0000000000 --- a/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md +++ /dev/null @@ -1,48 +0,0 @@ -# RFC: Multiplex concurrent ACP sessions over one connection - -Status: proposed - -> **Implementation status:** implemented in full — the multi-session bridge (steps 1, 3, 4) and the bash task-ownership isolation in `packages/ui/acp` + `packages/bash/tool-bash`; per-session *permission* ownership via the bridge's answerer on [the approval seam](../../implemented/feature/2026-07-06-approval-seam.md), which resolves every permission prompt through the `agent→sessionId` reverse map to the owning editor session and delegates (fail closed) for agents the bridge does not own; and step 2's per-session disposer scope (see [agent lifecycle & ownership seams](../../implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md)) — the factory returns a per-agent `AgentHandle` whose `dispose()` stops the loop, awaits quiescence, unregisters the agent, and removes its session, so a bare client disconnect leaves no registered agent or session-store entry. Status follows [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md), whose remaining deferred surface is modes/config options. - -> **Target-client note:** Zed is the current target ACP client, and its ACP client maintains a `HashMap` plus `pending_sessions` for concurrent `session/load` calls. The competing simplification to return to one live session per connection was rejected after checking that target-client shape; this RFC remains the path for finishing multiplexing and per-session permission ownership. See [the rejected simplification](../../rejected/simplification/2026-06-20-single-session-acp-bridge.md). - -## Problem - -[ACP support](2026-06-14-acp-agent-client-protocol.md) ships with a single active session per connection: a second `session/new` is rejected. Editors expect to run several conversations over one agent subprocess — a user opens multiple threads, or a client pre-warms sessions. The single-session guard is a deliberate MVP scope cut, not an architectural limit; this RFC lifts it. - -This paragraph is historical: the multi-session bridge has landed. The remaining proposed work is per-session permission ownership plus the lifecycle seams now tracked in [agent lifecycle and ownership seams](../../implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md). - -## Proposal - -The harness core already supports many agents (`AgentRegistry.list()` and `AgentLoop.create` impose no count limit), so multiplexing is a bridge-layer change in `@deepseek-ai/dsh-acp`, not a loop or core change. - -- Lift the single-session guard in `session/new`; allow N live sessions, each mapped to its own `ReactLoopAgent`. -- The bridge's `sessionId→agent` and `Session→sessionId` maps (introduced single-entry by [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md)) become true multi-entry, plus a third `agent→sessionId` reverse map: the `tools/execute` permission gate receives only `exec.agent` (no sessionId), so it needs an O(1) reverse lookup to find the owning session. Every `agent/*` event and every `session/event` is demuxed strictly by id, so two sessions streaming at once never interleave their `session/update` notifications. -- Per-session prompt queues: [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md)'s single-entry in-flight-prompt state becomes multi-entry — one in-flight prompt *per session*, tracked per `sessionId`. -- Per-session cancel routing: `session/cancel` cancels only its own session's agent (via the queue-aware `agent.cancel()`) and settles only that session's in-flight prompt. The cancel is scoped to that one agent — a per-agent `AbortController` for the running step plus the agent's own queued/steering FIFOs — so it never touches another session's stream or pending prompt. -- Per-session permission ownership: a `session/request_permission` and its outcome are bound to the originating session via the reverse map, so a permission prompt or a cancel in one session can never resolve another session's pending permission. - -## Plan - -1. Generalize the two id maps to multi-entry and add the `agent→sessionId` reverse map; add a per-session record holding the agent, the in-flight-prompt state, the pending-permission registry, and the session's disposer scope (see step 2). -2. Give each session a real per-session disposer scope, NOT `ctx.extend()` — in Cordis `ctx.extend()` only creates a child context/prototype, but `ctx.on()` registered on it is still owned by the current plugin fiber, so disposing it would not remove that session's listeners. Use a genuine child fiber (load a per-session sub-plugin, e.g. `ctx.plugin(...)` returning a fork, or collect each session's `ctx.on` disposers in its session record and call them on teardown). Demux every `agent/*` and `session/event` by id into the right session record. Note the single global `tools/execute` listener stays on the bridge root (it must see all agents) and routes via the reverse map. -3. Lift the `session/new` guard; keep `session/load` ([from ACP support](2026-06-14-acp-agent-client-protocol.md)) working per session. -4. Tests for cross-session isolation: two sessions streaming and permission-prompting concurrently never interleave; a cancel/abort in one session leaves the other's stream and pending permission untouched; per-session in-flight-prompt enforcement holds independently; disposing one session leaves the others running. - -## Alternatives considered - -**A per-session `ctx.extend()` scope** — rejected: in Cordis, `ctx.extend()` only creates a child context/prototype, and `ctx.on()` registered on it is still owned by the current plugin fiber, so disposing it would not remove that session's listeners. A genuine child fiber (or a per-session collection of disposers) is required. - -## Acceptance criteria - -- N concurrent sessions stream and permission-prompt without interleaving their `session/update` notifications; a cancel in one session leaves every other session's stream, queued prompts, and pending permissions untouched. -- Disposing one session removes exactly its own listeners; connection teardown reaches quiescence across all sessions. -- One session's agent cannot read or kill another session's background bash task. - -## Risks - -Listener fan-out cost: each session adds listeners; ensure disposal of one session removes exactly its own and the connection teardown ([from ACP support](2026-06-14-acp-agent-client-protocol.md)) still reaches quiescence across all sessions. - -The subtle correctness trap is cross-session leakage — a cancel or abort on one session settling another session's pending permission. The per-session permission ownership rule (routed via the `agent→sessionId` reverse map) and its isolation test are the guard. - -Shared background-task state: the bash executor's task ids are global and predictable (`bash-1`, `bash-2`, …), and `bash_output`/`bash_kill` look up by id without checking the caller. Under one session this is benign; under N sessions one session's agent could read or kill another's background task. This is a pre-existing `tool-bash` gap that multi-session turns into a real isolation hole — fixing it (validate the caller against the task owner) belongs with this RFC or a companion `tool-bash` change. diff --git a/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md b/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md index e68cd24346..8f1d4e4531 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md +++ b/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md @@ -4,7 +4,7 @@ Status: rejected — Zed is the current target ACP client and its ACP implementa ## Problem -The ACP bridge now supports multiple live sessions on one JSON-RPC connection. That capability brings multi-entry session maps, reverse session/agent lookups, per-session prompt state, loading ids, demux for every event, cross-session teardown, and isolation concerns for future permission prompts and background tasks. The older [multi-session ACP proposal](../../proposed/feature/2026-06-14-acp-multi-session.md) still tracks the unfinished permission-ownership piece; this RFC is the competing simplification path. +The ACP bridge now supports multiple live sessions on one JSON-RPC connection. That capability brings multi-entry session maps, reverse session/agent lookups, per-session prompt state, loading ids, demux for every event, cross-session teardown, and isolation concerns for future permission prompts and background tasks. The older [multi-session ACP proposal](../../implemented/feature/2026-06-14-acp-multi-session.md) still tracks the unfinished permission-ownership piece; this RFC is the competing simplification path. The product target has proven it needs concurrent editor conversations over one harness process: Zed's ACP connection owns multiple sessions and load states. The snapshot replay tier still avoids concurrent model streams because its replay entries are positional; that is a test-fixture limitation, not a reason to remove bridge multiplexing. @@ -20,7 +20,7 @@ Remove the multi-session maps and demux where a single `SessionRecord | undefine - `session/new` and `session/load` reject while that record exists. - Event handlers no longer demux across a `Map`. - Multi-session tests are removed or moved under the proposal that continues to defend multiplexing. -- The existing [multi-session ACP proposal](../../proposed/feature/2026-06-14-acp-multi-session.md) is updated to link this RFC and remains the live direction. +- The existing [multi-session ACP proposal](../../implemented/feature/2026-06-14-acp-multi-session.md) is updated to link this RFC and remains the live direction. ## What we give up diff --git a/examples/README.md b/examples/README.md index f1abfd7ca8..de7a907785 100644 --- a/examples/README.md +++ b/examples/README.md @@ -35,6 +35,6 @@ Run with: `pnpm run demo:acp` (needs `DEEPSEEK_API_KEY`); `pnpm run demo:code-mo ## sandbox-acp-agent -The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../packages/sandbox/sandbox-local) + [`@deepseek-ai/dsh-bash-sandbox`](../packages/bash/bash-sandbox) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over ACP with [`@deepseek-ai/dsh-approval`](../packages/approval/approval) mounted — the first composition where the approval loop is LIVE: a sandbox denial escalated by the model becomes a `session/request_permission` prompt in the editor, and "Allow once" runs exactly that command under the wider mode. +The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../packages/sandbox/sandbox-local) + [`@deepseek-ai/dsh-bash-sandbox`](../packages/bash/bash-sandbox) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over ACP with [`@deepseek-ai/dsh-user-approval`](../packages/ui/user-approval) mounted — the first composition where the approval loop is LIVE: a sandbox denial escalated by the model becomes a `session/request_permission` prompt in the editor, and "Allow once" runs exactly that command under the wider mode. Run with: `pnpm run demo:sandbox-acp` (needs `DEEPSEEK_API_KEY`; bwrap, a Landlock-enforcing kernel, or macOS for confined runs). See [sandbox-acp-agent/README.md](sandbox-acp-agent/README.md). diff --git a/examples/sandbox-acp-agent/README.md b/examples/sandbox-acp-agent/README.md index ab40214834..bada288bde 100644 --- a/examples/sandbox-acp-agent/README.md +++ b/examples/sandbox-acp-agent/README.md @@ -1,6 +1,6 @@ # sandbox-acp-agent -The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../../packages/sandbox/sandbox-local/) + [`@deepseek-ai/dsh-bash-sandbox`](../../packages/bash/bash-sandbox/) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over the **Agent Client Protocol**, plus [`@deepseek-ai/dsh-approval`](../../packages/approval/approval/) — which makes this the first composition where the approval loop is LIVE end to end: bash runs under `read-only`, a denial comes back as the structured marker, the model retries once with `sandbox_permissions` + `justification`, the ACP bridge's answerer turns that ask into a `session/request_permission` prompt in your editor, and "Allow once" runs exactly that command under the wider mode ([sandbox RFC § Escalation](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). +The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../../packages/sandbox/sandbox-local/) + [`@deepseek-ai/dsh-bash-sandbox`](../../packages/bash/bash-sandbox/) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over the **Agent Client Protocol**, plus [`@deepseek-ai/dsh-user-approval`](../../packages/ui/user-approval/) — which makes this the first composition where the approval loop is LIVE end to end: bash runs under `read-only`, a denial comes back as the structured marker, the model retries once with `sandbox_permissions` + `justification`, the ACP bridge's answerer turns that ask into a `session/request_permission` prompt in your editor, and "Allow once" runs exactly that command under the wider mode ([sandbox RFC § Escalation](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). ```sh pnpm run demo:sandbox-acp # needs DEEPSEEK_API_KEY; drive it from Zed or any ACP client diff --git a/examples/sandbox-acp-agent/cordis.yml b/examples/sandbox-acp-agent/cordis.yml index d083e8e3f1..69ba9fb6c3 100644 --- a/examples/sandbox-acp-agent/cordis.yml +++ b/examples/sandbox-acp-agent/cordis.yml @@ -42,7 +42,7 @@ # editor. Without an editor attached nothing can answer, and every ask fails # closed. - id: approval - name: '@deepseek-ai/dsh-approval' + name: '@deepseek-ai/dsh-user-approval' # The ACP server app: the agent-core spine + JSONL persistence + the ACP # bridge (whose approval answerer completes the loop). diff --git a/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl index 97282f0c8a..617f43d3e6 100644 --- a/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl +++ b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783613224997,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783613224997,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: cat notes.txt. Then reply with the single word DONE and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783613224997,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783613224997,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-mNdf7I. Your bash tool runs under a file sandbox — a\n`[sandbox: file access denied …]` result is policy, not a command bug.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. Attempting a command the sandbox may deny is safe and expected: run it and read the marker rather than assuming the denial. When a command IS denied and a wider mode would let it succeed, escalate immediately in the SAME turn — the ONE sanctioned exception to a denial: retry the exact same command once with `sandbox_permissions` (the narrowest wider mode that suffices) plus a one-sentence `justification`. Do not detour through chat to ask permission first — the approval prompt raised by that retry IS how the user consents. If the session states approval prompts are disabled, there is no exception: a denial is final — do not set `sandbox_permissions`. Never escalate speculatively: ground the request in a real denial — normally the one THIS command just hit; escalating up front is fine only when this session already denied the same access. A rejected escalation is final for THAT command — stop and explain, never work around it — but it does not forbid attempting or escalating other commands later.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."},"sandbox_permissions":{"type":"string","description":"The wider sandbox mode this command needs. Only valid as a one-shot retry of a command the sandbox just denied; requires justification and user approval.","enum":["workspace-write","danger-full-access"]},"justification":{"type":"string","description":"Required with sandbox_permissions: one sentence for the user explaining why this exact command needs the wider access."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783613224997,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-mNdf7I. Your bash tool runs under a file sandbox — a\n`[sandbox: file access denied …]` result is policy, not a command bug.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\n","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. Attempting a command the sandbox may deny is safe and expected: run it and read the marker rather than assuming the denial. When a command IS denied and a wider mode would let it succeed, escalate immediately in the SAME turn — the ONE sanctioned exception to a denial: retry the exact same command once with `sandbox_permissions` (the narrowest wider mode that suffices) plus a one-sentence `justification`. Do not detour through chat to ask permission first — the approval prompt raised by that retry IS how the user consents. If the session states approval prompts are disabled, there is no exception: a denial is final — do not set `sandbox_permissions`. Never escalate speculatively: ground the request in a real denial — normally the one THIS command just hit; escalating up front is fine only when this session already denied the same access. A rejected escalation is final for THAT command — stop and explain, never work around it — but it does not forbid attempting or escalating other commands later.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."},"sandbox_permissions":{"type":"string","description":"The wider sandbox mode this command needs. Only valid as a one-shot retry of a command the sandbox just denied; requires justification and user approval.","enum":["workspace-write","danger-full-access"]},"justification":{"type":"string","description":"Required with sandbox_permissions: one sentence for the user explaining why this exact command needs the wider access."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783613225437,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783613225438,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783613225658,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} @@ -172,9 +172,9 @@ {"type":"turn/start","seq":170,"time":1783613229056,"data":{"turn":3,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"approval/policy","seq":171,"time":1783613229056,"data":{"policy":"never"}} {"type":"user/message","seq":172,"time":1783613229056,"data":{"content":[{"type":"text","text":"Without using any tools, state your current approval policy in one short sentence and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"context/message","seq":173,"time":1783613229057,"data":{"content":[{"type":"text","text":"The approval policy changed from \"ask\" to \"never\" (changed by the user)."}],"source":{"kind":"plugin","plugin":"approval"}},"surfaceOp":"append"} +{"type":"context/message","seq":173,"time":1783613229057,"data":{"content":[{"type":"text","text":"The approval policy changed from \"ask\" to \"never\" (changed by the user)."}],"source":{"kind":"plugin","plugin":"user-approval"}},"surfaceOp":"append"} {"type":"step/start","seq":174,"time":1783613229057,"data":{"turn":3,"step":1}} -{"type":"request/header-delta","seq":175,"time":1783613229057,"data":{"system":{"keepStart":11,"keepEnd":0,"insert":["","Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."]}}} +{"type":"request/header-delta","seq":175,"time":1783613229057,"data":{"system":{"keepStart":12,"keepEnd":0,"insert":["Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).",""]}}} {"type":"assistant/chunk","seq":176,"time":1783613230100,"data":{"turn":3,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":177,"time":1783613230100,"data":{"turn":3,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":178,"time":1783613230192,"data":{"turn":3,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/packages/README.md b/packages/README.md index 7a389b29fa..e279aee117 100644 --- a/packages/README.md +++ b/packages/README.md @@ -13,7 +13,6 @@ Packages are grouped by modular role at `packages///`. The group dir | [`bash/`](bash/README.md) | Bash capability family: the executor seam, a local impl, and the model-facing tool | Product — stable surface | | [`code-runtime/`](code-runtime/README.md) | Code-execution capability family: the abstract runtime seam for model-written programs + a worker-thread backend | Product — stable surface | | [`sandbox/`](sandbox/README.md) | Process-confinement seam; bwrap/Landlock/Seatbelt backends | Product — stable surface | -| [`approval/`](approval/README.md) | One-shot permission decisions | Product — stable surface | | [`fs/`](fs/README.md) | Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools | Product — stable surface | | [`compact/`](compact/README.md) | Compaction capability family: the abstract seam + a basic backend (tool deferred) | Product — stable surface | | [`subagent/`](subagent/README.md) | Subagent capability family: the provider-registry seam and the model-facing delegation tool | Product — stable surface | @@ -25,7 +24,7 @@ Packages are grouped by modular role at `packages///`. The group dir | [`cordis/`](cordis/README.md) | Self-referential runtime toolset: inspect the live runtime's plugins and services, mount/unmount model-written plugins ([design](../docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md)) | Product — stable surface | | [`hooks/`](hooks/README.md) | Hook bridges + the shared Claude Code / Codex wire-protocol library | Product — stable surface | | [`session-persistence/`](session-persistence/README.md) | Persistence capability family: the seam + JSONL/SQLite backends | Product — stable surface | -| [`ui/`](ui/README.md) | Editor/client integration surfaces: ACP bridge, app packages, user-interaction seam, ask-user tool | Product — stable surface | +| [`ui/`](ui/README.md) | Editor/client integration surfaces: ACP bridge, app packages, user-approval and user-interaction seams, ask-user tool | Product — stable surface | | [`support/`](support/README.md) | Dev/test/example infrastructure (invariants, replay adapter, subagent mock) | Support — lower compatibility expectations | | [`util/`](util/README.md) | Low-level zero-dependency utilities shared across groups (the `Branded` primitive) | Support — small, stable, harness-dep-free | diff --git a/packages/approval/README.md b/packages/approval/README.md deleted file mode 100644 index a228c7936f..0000000000 --- a/packages/approval/README.md +++ /dev/null @@ -1,9 +0,0 @@ -# approval/ — approval family - -The asking half of permission handling: one seam through which the harness puts a one-shot question — "may this specific action proceed?" — to whatever answerers a deployment composes, with a closed outcome vocabulary and a fail-closed default. The full design: [the approval-seam RFC](../../docs/rfc/implemented/feature/2026-07-06-approval-seam.md). All **product** packages. - -| Package | Role | ctx key | -|---|---|---| -| `approval/` | The `ApprovalService` mechanism (waterfall dispatch, cancellation, audit events) + the vocabulary (`ApprovalRequest`, `ApprovalOutcome`, `ApprovalRequestId`) + the per-session policy tier (`ApprovalPolicy` `'ask'`/`'never'`, the `'approval/policy'` event fold, the prepend gate — [sandbox RFC § Per-session mode switching](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)) | `ctx.approval` | - -Answerers live with their owners, not here: the ACP bridge ([`ui/acp`](../ui/acp/)) answers for the editor sessions it owns (and switches each session's policy over ACP config options); tests answer with inline scripted listeners. Consumers today: [`core/tools`](../core/tools/) routes `tools/pre-execute`'s `ask` through the seam (degrading to deny when it is not mounted), and the bash tool's sandbox escalation gate ([`bash/tool-bash`](../bash/tool-bash/), [sandbox RFC § Escalation](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). diff --git a/packages/bash/bash-sandbox/src/index.ts b/packages/bash/bash-sandbox/src/index.ts index 7089f3c239..090d06b2fe 100644 --- a/packages/bash/bash-sandbox/src/index.ts +++ b/packages/bash/bash-sandbox/src/index.ts @@ -35,7 +35,8 @@ * `dsh-tool-bash` through `ctx.approval` — this executor's contribution is the * per-call `sandboxMode` override it honors in {@link resolve}: an escalated * call runs (and classifies, and reports) under ITS granted mode while every - * neighboring call keeps the configured default. + * neighboring call keeps its session's standing mode (or the configured + * default when that session has no override). * * @module @deepseek-ai/dsh-bash-sandbox */ @@ -138,17 +139,13 @@ function matchesSignature(exitCode: number | null, stderr: string, signatures: r /** * Sandbox-consuming bash executor. Registers as `ctx.bash` (loading it * INSTEAD OF `dsh-bash-local`, together with a `ctx.sandbox` provider, is - * the whole swap — the tool layer is untouched). The DEFAULT mode is fixed at - * config time for the executor's lifetime; a single call escalates past it - * only through the request-level `sandboxMode` override its {@link resolve} - * stamps onto the spec (granted upstream via `ctx.approval` — the - * sandbox RFC § Escalation). The model learns of the sandbox only through - * result facts: the static bash tool description explains the denial marker, - * and every run's `result.sandbox` carries the mode it executed under and how - * completely the runner enforced it. Runtime default-mode switching and a - * current-mode prompt statement are deliberately absent until a config - * surface exists to drive them (TODO(sandbox-config): the sandbox RFC's - * future-work list brings both with the per-session config options). + * the whole swap — the tool layer is untouched). Its configured mode is the + * fallback exposed by {@link sandboxMode}; `dsh-tool-bash` folds a session's + * durable `bash/sandbox-mode` override and stamps the effective mode onto each + * request, while an approved escalation may stamp a strictly wider mode for + * one call. The tool's per-agent prompt section states that same effective + * mode, and each run's `result.sandbox` reports what actually executed plus + * enforcement completeness. */ export class SandboxBashExecutor extends LocalBashExecutor { static inject = ['sandbox'] diff --git a/packages/bash/bash/src/index.ts b/packages/bash/bash/src/index.ts index 3b28756078..63c5757175 100644 --- a/packages/bash/bash/src/index.ts +++ b/packages/bash/bash/src/index.ts @@ -76,11 +76,12 @@ export abstract class BashExecutor extends Service { /** * The sandbox mode this executor confines commands under BY DEFAULT, or * `undefined` when it does not sandbox at all — the capability fact the - * tool layer reads to advertise escalation honestly (a mode-widening lever - * is only offered when a sandboxing executor is mounted to honor it, and - * only for modes strictly wider than this one). Composition truth, not - * configuration: the base class reports `undefined`; a sandboxing - * implementation overrides the getter with its configured mode. + * tool and ACP layers read to advertise sandbox controls honestly. The + * getter proves a sandboxing executor is mounted and supplies its fallback + * mode; a session override may make the effective mode narrower or wider, + * so strict escalation widening is checked per call rather than encoded in + * this default-relative capability fact. The base class reports + * `undefined`; a sandboxing implementation overrides the getter. * @returns the configured default mode of a sandboxing executor; * `undefined` for an executor that never confines. */ diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md index 952550fafc..800de0132c 100644 --- a/packages/bash/tool-bash/README.md +++ b/packages/bash/tool-bash/README.md @@ -52,7 +52,7 @@ The `BashExecRequest` seam carries optional `stdin` and `env`, used by the hooks Commands run with the executor's full authority unless a sandboxing executor ([`dsh-bash-sandbox`](../bash-sandbox/)) confines them — the deny-only sandbox reports denials as result facts, rendered here as the denial marker; per-call allow/deny/ask policy is the `tools/pre-execute` waterfall (see docs/architecture.md). -On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../approval/approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the session's effective mode), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. +On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../ui/user-approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the session's effective mode), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. ## Per-session mode switching diff --git a/packages/bash/tool-bash/package.json b/packages/bash/tool-bash/package.json index bd8f8c1aea..eec5d79ccb 100644 --- a/packages/bash/tool-bash/package.json +++ b/packages/bash/tool-bash/package.json @@ -23,7 +23,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", - "@deepseek-ai/dsh-approval": "^0.0.1", + "@deepseek-ai/dsh-user-approval": "^0.0.1", "@deepseek-ai/dsh-bash": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-sandbox": "^0.0.1", @@ -34,7 +34,7 @@ "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-agent-loop": "workspace:^", - "@deepseek-ai/dsh-approval": "workspace:^", + "@deepseek-ai/dsh-user-approval": "workspace:^", "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", "@deepseek-ai/dsh-bash-sandbox": "workspace:^", diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index 3b30e37057..31e6512ae0 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -65,7 +65,7 @@ import type {} from '@deepseek-ai/dsh-system-prompt' // Side-effect type import: declaration-merges `ctx.approval`, consumed // opportunistically by the escalation gate (`ctx.get('approval')` — the seam // stays optional at runtime, same pattern as dsh-tools' ask routing). -import type {} from '@deepseek-ai/dsh-approval' +import type {} from '@deepseek-ai/dsh-user-approval' import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' import { BashTaskId, OwnerToken, effectiveSandboxMode } from '@deepseek-ai/dsh-bash' import type { BashRunResult, BashTask, CollectedOutput } from '@deepseek-ai/dsh-bash' @@ -471,12 +471,12 @@ export function apply(ctx: Context): void { } }) - // The escalation surface exists exactly when the mounted executor confines - // under a default that has a strictly wider mode to escalate to — a lever - // is never advertised that the composition cannot honor. Registration time - // is the right read: the executor's default is config-fixed for its - // lifetime, and an executor swap restarts this fiber (static inject) and - // re-registers the schema. + // The escalation surface exists whenever the mounted executor confines. + // Its enum is the closed target vocabulary, deliberately NOT cut down by + // the configured default: a session may switch to a narrower effective mode + // while sharing this globally registered schema. Strict widening therefore + // belongs to the per-call check below. An executor swap restarts this fiber + // (static inject) and re-registers the schema. const defaultMode = ctx.bash.sandboxMode const escalationModes: readonly SandboxMode[] = defaultMode === undefined ? [] : ESCALATION_TARGETS @@ -505,8 +505,7 @@ export function apply(ctx: Context): void { */ const approveEscalation = async (mode: string, justification: string, exec: ToolExecution): Promise => { // Schema validation only checks ADVERTISED keys, so an unadvertised - // `sandbox_permissions` (no sandboxing executor, or a `danger-full-access` - // default with nothing wider) still reaches execute — reject it here so a + // `sandbox_permissions` (no sandboxing executor) still reaches execute — reject it here so a // human is never prompted to "escalate" a sandbox that is not there. When // the fields ARE advertised, the registry's SchemaSpec enum has already // pinned `mode` to this ladder for every caller. @@ -540,8 +539,8 @@ export function apply(ctx: Context): void { ...exec.signal ? { signal: exec.signal } : {}, }) switch (outcome) { - // The SchemaSpec enum already pinned `mode` to this executor's wider - // ladder; the cast records that validated fact. + // The SchemaSpec enum already pinned `mode` to the closed target + // vocabulary; the per-call check above proved it is strictly wider. case 'allowed-once': return mode as SandboxMode case 'rejected': throw new Error(`the user rejected escalating this command to "${mode}"`) case 'cancelled': throw new Error(`approval for escalating to "${mode}" was cancelled`) diff --git a/packages/bash/tool-bash/tests/tools.spec.ts b/packages/bash/tool-bash/tests/tools.spec.ts index 4988713425..9bc5cf2690 100644 --- a/packages/bash/tool-bash/tests/tools.spec.ts +++ b/packages/bash/tool-bash/tests/tools.spec.ts @@ -16,8 +16,8 @@ import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' import { SandboxProvider } from '@deepseek-ai/dsh-sandbox' import type { ConfinedArgv } from '@deepseek-ai/dsh-sandbox' import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' -import ApprovalService from '@deepseek-ai/dsh-approval' -import type { ApprovalOutcome } from '@deepseek-ai/dsh-approval' +import ApprovalService from '@deepseek-ai/dsh-user-approval' +import type { ApprovalOutcome } from '@deepseek-ai/dsh-user-approval' import * as ToolBash from '@deepseek-ai/dsh-tool-bash' import { renderResult } from '@deepseek-ai/dsh-tool-bash' @@ -27,6 +27,13 @@ const spillDir = mkdtempSync(join(tmpdir(), 'dsh-tool-bash-spec-')) // profile args up to `--` and execs the command unconfined — deterministic // without a host bwrap. const PASSTHROUGH_RUNNER = ['bash', '-c', 'while [ "$1" != "--" ]; do shift; done; shift; exec "$@"', 'passthrough-runner'] +const PASSTHROUGH_RUNNER_CONFIG = { + runnerCommand: PASSTHROUGH_RUNNER, + // The script has no pre-exec failure path; the provider still requires an + // explicit dialect so a future script change cannot silently turn runner + // failure into an ordinary command result. + runnerFailureSignatures: ['passthrough-runner: profile rejected'], +} async function setup() { const ctx = new Context() @@ -1022,7 +1029,7 @@ describe('sandbox rendering', () => { await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) - await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) const bash = ctx.bash as SandboxBashExecutor bash.internals = { spillDir } @@ -1113,12 +1120,31 @@ describe('sandbox rendering', () => { expect(text(read)).not.toContain('file access denied') }) + it('classifies an executable configured runner that refuses its profile before the command runs', async () => { + const signature = 'custom-runner-rejected' + const ctx = new Context() + await ctx.plugin(LocalSandboxProvider, { + runnerCommand: ['bash', '-c', `printf '${signature}\\n' >&2; exit 125`, 'custom-runner'], + runnerFailureSignatures: [signature], + }) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + + await expect(bash.run(bash.resolve({ command: 'echo command-must-not-run' }))) + .rejects.toMatchObject({ code: 'SANDBOX_UNAVAILABLE' }) + + const task = bash.start(bash.resolve({ command: 'echo command-must-not-run' })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full', runnerFailed: true }) + }) + it('reports a real denial end-to-end through the shipping sandbox executor', async () => { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) - await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) const bash = ctx.bash as SandboxBashExecutor bash.internals = { spillDir } @@ -1141,7 +1167,7 @@ describe('sandbox escalation (sandbox_permissions / justification)', () => { await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) - await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) await ctx.plugin(SandboxBashExecutor, { graceMs: 200, ...mode !== undefined ? { mode } : {} }) const bash = ctx.bash as SandboxBashExecutor bash.internals = { spillDir } @@ -1363,7 +1389,7 @@ describe('per-session sandbox mode (the bash/sandbox-mode fold)', () => { await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) - await ctx.plugin(LocalSandboxProvider, { runnerCommand: PASSTHROUGH_RUNNER }) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) await ctx.plugin(SandboxBashExecutor, { graceMs: 200, mode }) ;(ctx.bash as SandboxBashExecutor).internals = { spillDir } if (opts.approval === true) await ctx.plugin(ApprovalService) diff --git a/packages/bash/tool-bash/tsconfig.json b/packages/bash/tool-bash/tsconfig.json index 6f70e81873..c4d738c7dd 100644 --- a/packages/bash/tool-bash/tsconfig.json +++ b/packages/bash/tool-bash/tsconfig.json @@ -30,7 +30,7 @@ "path": "../../core/system-prompt" }, { - "path": "../../approval/approval" + "path": "../../ui/user-approval" }, { "path": "../../sandbox/sandbox" diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md index dde232a626..0bf1c4bf08 100644 --- a/packages/core/tools/README.md +++ b/packages/core/tools/README.md @@ -38,7 +38,7 @@ tools: - `ToolDefinition` — `ToolSchema` + `execute(args, exec): Promise` (the bare array is the model-facing content; the object form additionally attaches an opaque, JSON-serializable `meta` presentation payload persisted on the `tool/result` event and handed back to `presentResult`), plus optional `presentCall(args)` / `presentResult(args, result)` for tool-owned UI presentation (see below). It also carries an optional cooperative timeout budget `timeoutMs?: number` (ms) enforced by `@deepseek-ai/dsh-timeout-policy`, never sent to the model. - `ToolExecution` — one pending tool call: `{ callId, name, arguments, agent?, signal? }`. - `ToolExecutionResult` — outcome: `{ callId, content, isError, error?, additionalContext?, meta? }`. On failure with a `HarnessError`, `error: { name, code }` carries the structured failure class alongside the model-facing text (the loop forwards it onto the `tool/result` session event for retry/sandbox plugins and replay). `additionalContext` (a `HookContext`) ferries any `tools/post-execute` context up to the loop, which buffers it and appends it as a `context/message` after all `tool/result`s in the step. `meta` is the tool's opaque presentation payload from a successful `execute` (the object return form); the loop forwards it onto the `tool/result` session event for result-card rendering. -- `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite (changing `arguments`) is deliberately NOT offered (it would desync the pre-execution audit/history/UI from what ran — its own proposed RFC); `ask` is serviced by [`ctx.approval`](../../approval/approval/README.md) when a deployment mounts it (`allowed-once` proceeds to dispatch; `rejected`/`cancelled`/`unavailable` deny with distinct reasons) and degrades to `deny` when none is mounted or the execution carries no agent. +- `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite (changing `arguments`) is deliberately NOT offered (it would desync the pre-execution audit/history/UI from what ran — its own proposed RFC); `ask` is serviced by [`ctx.approval`](../../ui/user-approval/README.md) when a deployment mounts it (`allowed-once` proceeds to dispatch; `rejected`/`cancelled`/`unavailable` deny with distinct reasons) and degrades to `deny` when none is mounted or the execution carries no agent. - `PostToolDecision` — `{kind:'accept', content?, additionalContext?}` (keep the call successful, optionally replacing the model-facing content) | `{kind:'block', feedback, additionalContext?}` (turn it into an `isError` whose content is the corrective feedback). Output replacement is clean because `tool/result` is logged AFTER `execute()` returns. - `ToolCallView` / `ToolResultView` — provider-neutral `card`-tagged render intents a tool returns from `presentCall` / `presentResult` to own how a UI renders ITS calls (see "Tool-owned UI presentation"). diff --git a/packages/core/tools/package.json b/packages/core/tools/package.json index aafd87385f..ff38e40ab2 100644 --- a/packages/core/tools/package.json +++ b/packages/core/tools/package.json @@ -23,7 +23,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", - "@deepseek-ai/dsh-approval": "^0.0.1", + "@deepseek-ai/dsh-user-approval": "^0.0.1", "@deepseek-ai/dsh-code-runtime": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", @@ -35,7 +35,7 @@ }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", - "@deepseek-ai/dsh-approval": "workspace:^", + "@deepseek-ai/dsh-user-approval": "workspace:^", "@deepseek-ai/dsh-code-runtime": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts index 20f32ec97d..b624f468bb 100644 --- a/packages/core/tools/src/index.ts +++ b/packages/core/tools/src/index.ts @@ -25,7 +25,7 @@ import type {} from '@deepseek-ai/dsh-system-prompt' import type { CodeRuntime } from '@deepseek-ai/dsh-code-runtime' // Type-only: makes `ctx.get('approval')` resolve to the ApprovalService // augmentation. The seam stays optional at runtime — see `serviceAsk`. -import type {} from '@deepseek-ai/dsh-approval' +import type {} from '@deepseek-ai/dsh-user-approval' import type { ToolCallView, ToolResultView } from './presentation.ts' import { createRunCodeTool, RUN_CODE_NAME, SDK_SECTION_ORDER } from './code-mode.ts' import { renderToolsSdk } from './ts-types.ts' diff --git a/packages/core/tools/tests/tools.spec.ts b/packages/core/tools/tests/tools.spec.ts index 6b59d96eb7..ca0ab58206 100644 --- a/packages/core/tools/tests/tools.spec.ts +++ b/packages/core/tools/tests/tools.spec.ts @@ -3,7 +3,7 @@ import { Context } from 'cordis' import { CallId, HarnessError } from '@deepseek-ai/dsh-llm' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import type { Agent } from '@deepseek-ai/dsh-agent' -import ApprovalService, { type ApprovalOutcome, type ApprovalRequest } from '@deepseek-ai/dsh-approval' +import ApprovalService, { type ApprovalOutcome, type ApprovalRequest } from '@deepseek-ai/dsh-user-approval' import ToolRegistry, { defineTool, schemaSpecToJsonSchema, validateArgs, ToolArgsError, ToolNotFoundError, type InferArgs, type SchemaSpec, type PreToolDecision, type PostToolDecision, diff --git a/packages/core/tools/tsconfig.json b/packages/core/tools/tsconfig.json index 19e17e950f..95835b38e9 100644 --- a/packages/core/tools/tsconfig.json +++ b/packages/core/tools/tsconfig.json @@ -30,7 +30,7 @@ "path": "../../core/agent" }, { - "path": "../../approval/approval" + "path": "../../ui/user-approval" } ] } diff --git a/packages/sandbox/sandbox-local/src/index.ts b/packages/sandbox/sandbox-local/src/index.ts index 2a75a16d2d..66f3077319 100644 --- a/packages/sandbox/sandbox-local/src/index.ts +++ b/packages/sandbox/sandbox-local/src/index.ts @@ -41,7 +41,9 @@ export interface Config { * `enforcement: 'full'`, and — the runner's kernel mechanism being unknown * — carries both Linux file-denial dialects as its denial signatures) — * the runner chain and its probes are skipped, - * and a broken runner fails loudly at spawn time like any missing command. + * and a broken runner fails loudly at execution time. The operator also + * supplies {@link runnerFailureSignatures}, which distinguish the runner + * refusing its profile from the wrapped command failing normally. * Absent (or empty — the schema normalizes an omitted array to `[]`): the * built-in platform chains — Linux `bwrap` then the Landlock launcher * (probed in that order), darwin `sandbox-exec` (the sole candidate, @@ -49,6 +51,15 @@ export interface Config { * for deterministic fake runners in keyless test tiers. */ runnerCommand?: string[] + /** + * Case-insensitive stderr substrings emitted when a configured + * {@link runnerCommand} refuses its profile before executing the wrapped + * command. Required and non-empty with `runnerCommand`; rejected without + * it. Missing/unexecutable runner errors are added automatically from + * `runnerCommand[0]`, while these signatures cover an executable runner's + * own failure dialect. + */ + runnerFailureSignatures?: string[] /** * Per-probe timeout in milliseconds for the chain's functional probes * (default: 5000; must be a positive finite number — Node treats a 0 @@ -309,6 +320,7 @@ export class LocalSandboxProvider extends SandboxProvider { // Inline schema call: the config catalog walks `static Config` statically. static Config: z = z.object({ runnerCommand: z.array(z.string()).default([]), + runnerFailureSignatures: z.array(z.string()).default([]), probeTimeoutMs: z.natural().default(5_000), }) @@ -316,17 +328,29 @@ export class LocalSandboxProvider extends SandboxProvider { internals: SandboxInternals = {} private readonly runnerCommand: string[] | undefined + private readonly configuredRunnerFailureSignatures: string[] private readonly probeTimeoutMs: number /** Cached chain verdict; undefined until the first confined wrap needs it. */ private selectedRunner: SelectedRunner | 'unavailable' | undefined constructor(ctx: Context, config: Config) { super(ctx) - // The schema (static Config) defaults both fields — the casts record + // The schema (static Config) defaults every field — the casts record // those runtime facts. An empty runnerCommand means "not configured": // use the platform chain. const runner = config.runnerCommand as string[] + const runnerFailureSignatures = config.runnerFailureSignatures as string[] + if (runner.length === 0 && runnerFailureSignatures.length > 0) { + throw new Error('sandbox-local: runnerFailureSignatures requires runnerCommand') + } + if (runner.length > 0 && runnerFailureSignatures.length === 0) { + throw new Error('sandbox-local: runnerCommand requires at least one runnerFailureSignatures entry') + } + if (runnerFailureSignatures.some(signature => signature.trim().length === 0)) { + throw new Error('sandbox-local: runnerFailureSignatures entries must be non-empty') + } this.runnerCommand = runner.length > 0 ? runner : undefined + this.configuredRunnerFailureSignatures = runnerFailureSignatures this.probeTimeoutMs = config.probeTimeoutMs as number assertPositiveFinite('probeTimeoutMs', this.probeTimeoutMs) } @@ -351,17 +375,16 @@ export class LocalSandboxProvider extends SandboxProvider { argv: [...this.runnerCommand, ...bwrapProfileArgs(policy), '--', ...argv], enforcement: 'full', denialSignatures: DENIAL_SIGNATURES.runnerCommand, - // The configured runner's own failure dialect is unknown (as is its - // kernel mechanism), but the consumer never spawns the wrap directly - // — it re-joins it through an outer `bash -c 'exec …'` — so a - // missing or unexecutable runner fails with the OUTER shell's - // argv0-scoped shapes, and those we do know. Scoping every shape to + // The operator names the configured runner's OWN pre-exec refusal + // dialect; the consumer additionally re-joins the wrap through an + // outer `bash -c 'exec …'`, so we can add the missing/unexecutable + // outer-shell shapes ourselves. Scoping every automatic shape to // argv0 keeps in-command errors out (a bare `exec:`/`Permission - // denied` prefix would claim tool output; `exec: : not - // found` cannot). The residual collision — a command invoking a - // file named exactly like the runner and hitting the same errno — - // is the classifier's documented conservative-inference trade. + // denied` prefix would claim tool output; `exec: : not found` + // cannot). The residual text-collision trade is documented by the + // seam's conservative classifier contract. runnerFailureSignatures: [ + ...this.configuredRunnerFailureSignatures, `exec: ${argv0}: not found`, `${argv0}: No such file or directory`, `${argv0}: Permission denied`, diff --git a/packages/sandbox/sandbox-local/tests/local.spec.ts b/packages/sandbox/sandbox-local/tests/local.spec.ts index d12f4970cb..852a50e1e9 100644 --- a/packages/sandbox/sandbox-local/tests/local.spec.ts +++ b/packages/sandbox/sandbox-local/tests/local.spec.ts @@ -102,7 +102,10 @@ describe('runnerCommand config', () => { const probeBwrap = vi.fn(() => false) const probeLandlock = vi.fn(() => 'unusable' as const) const probeSeatbelt = vi.fn(() => false) - const { sandbox } = await setup({ runnerCommand: ['fake-runner', '--flag'] }, { probeBwrap, probeLandlock, probeSeatbelt }) + const { sandbox } = await setup({ + runnerCommand: ['fake-runner', '--flag'], + runnerFailureSignatures: ['fake-runner: profile rejected'], + }, { probeBwrap, probeLandlock, probeSeatbelt }) const confined = sandbox.confine(['bash', '-c', 'echo hi'], WW) expect(confined).toEqual({ argv: ['fake-runner', '--flag', ...bwrapProfileArgs(WW), '--', 'bash', '-c', 'echo hi'], @@ -115,6 +118,7 @@ describe('runnerCommand config', () => { // unexecutable runner fails with the OUTER shell's argv0-scoped // shapes, and those classify as sandbox failures like any rung. runnerFailureSignatures: [ + 'fake-runner: profile rejected', 'exec: fake-runner: not found', 'fake-runner: No such file or directory', 'fake-runner: Permission denied', @@ -131,6 +135,24 @@ describe('runnerCommand config', () => { expect(() => sandbox.confine(['true'], RO)).toThrow(SandboxUnavailableError) expect(probeBwrap).toHaveBeenCalledTimes(1) }) + + it('requires an operator-owned failure dialect for every configured runner', async () => { + await expect(setup({ runnerCommand: ['fake-runner'] })).rejects.toThrow( + 'runnerCommand requires at least one runnerFailureSignatures entry', + ) + }) + + it('rejects runner failure signatures when no custom runner consumes them', async () => { + await expect(setup({ runnerFailureSignatures: ['profile rejected'] })).rejects.toThrow( + 'runnerFailureSignatures requires runnerCommand', + ) + }) + + it('rejects blank configured-runner failure signatures', async () => { + await expect(setup({ runnerCommand: ['fake-runner'], runnerFailureSignatures: [' '] })).rejects.toThrow( + 'runnerFailureSignatures entries must be non-empty', + ) + }) }) describe('the platform chains', () => { diff --git a/packages/ui/README.md b/packages/ui/README.md index e87a5e4a10..604eff6521 100644 --- a/packages/ui/README.md +++ b/packages/ui/README.md @@ -5,6 +5,7 @@ Integrations that expose the agent to an external editor or client. These are ** | Package | Role | ctx key | |---|---|---| | `acp/` | Agent Client Protocol bridge: serves the agent to an ACP editor (Zed) over JSON-RPC stdio | (drives `ctx.agents`/`ctx.sessions`) | +| `user-approval/` | One-shot user-approval mechanism, closed outcome vocabulary, audit events, and per-session approval policy | `ctx.approval` | | `user-interaction/` | Abstract human question/answer seam used by UI-backed confirmation tools | `ctx.userInteraction` | | `tool-ask-user/` | Model-facing `ask_user_question` tool over `ctx.userInteraction` | (registers on `ctx.tools`) | | `stdio-agent/` | Terminal stdio chat APP: the agent-core spine + console logger + readline UI + a pre-created `main` agent, with a `bin` | (composition + `bin`) | @@ -13,6 +14,6 @@ Integrations that expose the agent to an external editor or client. These are ** A UI integration is a client-driver plugin, not a loop change and not a capability seam: it consumes the existing `agent/*` event taxonomy and the `dsh-agent` factory. The readline UI is the unstructured analogue of the `acp` bridge and lives INSIDE the stdio app (the `stdio-chat` module of [`stdio-agent/`](stdio-agent/README.md)): it is scaffolding for that one front door, not an independently swappable integration, so it carries no package boundary of its own. -`user-interaction` and `tool-ask-user` live here because asking a human is a UI-backed product affordance, not part of the providerless core spine. The seam remains provider-neutral (`ctx.userInteraction`), while the tool is the model-facing consumer and the app/bridge packages provide concrete providers. +`user-approval`, `user-interaction`, and `tool-ask-user` live here because asking a human is a UI-backed product affordance, not part of the providerless core spine. `user-approval` owns the one-shot `ctx.approval` decision mechanism and its policy tier; answerers remain with their UI channel owners. `user-interaction` remains provider-neutral (`ctx.userInteraction`), while `tool-ask-user` is its model-facing consumer and the app/bridge packages provide concrete providers. `stdio-agent` and `acp-agent` are the two **app packages**: each composes the [`core/agent-core`](../core/agent-core/README.md) spine with its coupled front-door cluster (and owns the boot `bin`), so a leaf `cordis.yml` is the swappable backends plus one app entry plus any optional product tools. They live in `ui/` because each IS a user-facing front door; the stdout-purity coupling (logger vs. no logger) becomes a property of the artifact rather than a leaf convention. diff --git a/packages/ui/acp/README.md b/packages/ui/acp/README.md index 1a547d3e4a..2f1f35adc4 100644 --- a/packages/ui/acp/README.md +++ b/packages/ui/acp/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-acp -The **Agent Client Protocol (ACP)** bridge: exposes DeepSeek Harness SDK agents as an ACP server over JSON-RPC stdio, so editors (Zed and other ACP clients) can drive them — streaming render, tool-call display, and resumable sessions. Zed is the current target client: baseline ACP behavior should remain reasonable for other clients, but bridge capabilities and compatibility decisions are evaluated against Zed first. **N concurrent sessions per connection** (see [ACP multi-session](../../../docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md)): each maps to its own `ReactLoopAgent`, and every event is demuxed strictly by session id so two sessions streaming at once never interleave. +The **Agent Client Protocol (ACP)** bridge: exposes DeepSeek Harness SDK agents as an ACP server over JSON-RPC stdio, so editors (Zed and other ACP clients) can drive them — streaming render, tool-call display, and resumable sessions. Zed is the current target client: baseline ACP behavior should remain reasonable for other clients, but bridge capabilities and compatibility decisions are evaluated against Zed first. **N concurrent sessions per connection** (see [ACP multi-session](../../../docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md)): each maps to its own `ReactLoopAgent`, and every event is demuxed strictly by session id so two sessions streaming at once never interleave. It is a **client-driver / UI plugin**, the structured analogue of the readline `stdio-chat` plugin — NOT a loop change and NOT a [capability seam](../../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md). It consumes the existing `agent/*` event taxonomy, the `dsh-agent` create/resume factory, and `dsh-session-persistence`. @@ -31,7 +31,7 @@ The `initialize` handshake reports a fixed server identity (`agentInfo: { name: | `session/cancel` | `agent.cancel()` | the queue-aware cancel: aborts a running step, clears queued + steering work, and drops a turn about to start, then settles the prompt `cancelled` — for ONLY that session (a cancel never touches another session's stream or prompt) | | `session/update` | `session/event` | `agent_message_chunk` (text-delta), `agent_thought_chunk` (reasoning-delta), `user_message_chunk` (load replay), `tool_call`/`tool_call_update` (the render intent — a `card`-tagged `ToolCallView`/`ToolResultView` — owned by the TOOL via `presentCall`/`presentResult`, which the bridge switches on to build the wire shape — see Tool-call presentation) | | `elicitation/create` | `ctx.userInteraction.ask()` | maps `ask_user_question` questions to ACP form elicitations; option descriptions are shown in enum titles, `multi_select` uses ACP array enums, optionless requests use a required `custom` field, and a non-empty custom answer overrides any selected choice | -| `session/request_permission` | `approval/request` listener | the bridge is the [`ctx.approval`](../../approval/approval/README.md) answerer for the agents it owns: an `ask` (a hook or `tools/pre-execute` plugin) becomes an editor prompt attached to the streamed tool call, offering one-shot `allow_once`/`reject_once` options only; a foreign or call-less request delegates down the answerer chain (fail-closed `unavailable` default). See "Permission prompts" | +| `session/request_permission` | `approval/request` listener | the bridge is the [`ctx.approval`](../user-approval/README.md) answerer for the agents it owns: an `ask` (a hook or `tools/pre-execute` plugin) becomes an editor prompt attached to the streamed tool call, offering one-shot `allow_once`/`reject_once` options only; a foreign or call-less request delegates down the answerer chain (fail-closed `unavailable` default). See "Permission prompts" | | `session/set_config_option` | `setSandboxMode` / `setApprovalPolicy` | per-session knob switching over [session config options](https://agentclientprotocol.com/protocol/session-config-options) — see "Session config options" | ## Multi-session @@ -75,7 +75,7 @@ A `session/prompt` resolves (or rejects) exactly once, keyed off the canonical s ## Permission prompts -The bridge registers an `approval/request` waterfall listener — the ACP answerer of the [approval seam](../../approval/approval/README.md). When `ctx.approval` routes an `ask` for an agent the bridge owns, the listener resolves the owning session through the reverse map and issues `session/request_permission` with the request's `callId` as the `toolCall` reference (the editor attaches the prompt to the already-streamed call) and the one-shot options `allow_once`/`reject_once` (`allow_always` is deferred to the approval RFC's grant-storage question). Outcomes map `allow-once → allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled → cancelled`. A request for an agent the bridge does NOT own — or one without a `callId` to attach to — delegates via `next()` so another answerer or the seam's fail-closed `unavailable` default takes it. A rejected `requestPermission` RPC (client gone mid-prompt) propagates to the ApprovalService, which contains it as `unavailable`. Whether a call asks at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment; without such policy, tools keep the executor's full authority. +The bridge registers an `approval/request` waterfall listener — the ACP answerer of the [user-approval seam](../user-approval/README.md). When `ctx.approval` routes an `ask` for an agent the bridge owns, the listener resolves the owning session through the reverse map and issues `session/request_permission` with the request's `callId` as the `toolCall` reference (the editor attaches the prompt to the already-streamed call) and the one-shot options `allow_once`/`reject_once` (`allow_always` is deferred to the approval RFC's grant-storage question). Outcomes map `allow-once → allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled → cancelled`. A request for an agent the bridge does NOT own — or one without a `callId` to attach to — delegates via `next()` so another answerer or the seam's fail-closed `unavailable` default takes it. A rejected `requestPermission` RPC (client gone mid-prompt) propagates to the ApprovalService, which contains it as `unavailable`. Whether a call asks at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment; without such policy, tools keep the executor's full authority. ## Disposal & disconnect @@ -87,7 +87,7 @@ Teardown reaches quiescence: for EVERY live session settle any pending prompt as ## stdout is the protocol -The JSON-RPC frames go on stdout, so this plugin MUST run in an example that loads **no stdout logger** (the console logger writes to stdout and would corrupt the frames). The guarantee is config-only — see `examples/acp-agent` (no console logger) and [ACP support risks](../../../docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md#risks). A stderr exporter is fine for logging. +The JSON-RPC frames go on stdout, so this plugin MUST run in an example that loads **no stdout logger** (the console logger writes to stdout and would corrupt the frames). The guarantee is config-only — see `examples/acp-agent` (no console logger) and [ACP support risks](../../../docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md#risks). A stderr exporter is fine for logging. ## Running diff --git a/packages/ui/acp/acp-feature-support.md b/packages/ui/acp/acp-feature-support.md index eb2d5a8fa5..be14fe6237 100644 --- a/packages/ui/acp/acp-feature-support.md +++ b/packages/ui/acp/acp-feature-support.md @@ -10,7 +10,7 @@ Legend: ✅ supported · ⚠️ partial / fallback · ❌ not yet · — n/a. Th ## At a glance -The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), and resumable session replay. The largest **unbuilt** areas are the **permission gate** (`session/request_permission`), **MCP passthrough**, **session modes / config options / model selection**, **slash commands**, and **agent plans** — all of which both reference adapters ship — plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). +The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), resumable session replay, one-shot permission prompts, and per-session sandbox/approval config options. The largest **unbuilt** areas are **MCP passthrough**, runtime model selection, **slash commands**, and **agent plans**, plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). ## 1. Agent methods (client → agent) @@ -39,7 +39,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | Method | Stable | Bridge | Claude | Codex | Notes | |---|---|---|---|---|---| | `session/update` | S | ✅ | ✅ | ✅ | The bridge's primary output channel (see [§4](#4-sessionupdate-variants)). | -| `session/request_permission` | S | ✅ | ✅ | ✅ | The bridge answers the [`ctx.approval`](../../approval/approval/README.md) seam for the agents it owns: an `ask` from a hook/plugin becomes an editor prompt attached to the streamed tool call, one-shot `allow_once`/`reject_once` options only. Whether a call asks is policy (nothing asks by default); `allow_always` is deferred (grant storage). | +| `session/request_permission` | S | ✅ | ✅ | ✅ | The bridge answers the [`ctx.approval`](../user-approval/README.md) seam for the agents it owns: an `ask` from a hook/plugin becomes an editor prompt attached to the streamed tool call, one-shot `allow_once`/`reject_once` options only. Whether a call asks is policy (nothing asks by default); `allow_always` is deferred (grant storage). | | `fs/read_text_file` | S | ❌ | ✅ | ❌ | The harness reads files directly (it does not see the editor's unsaved buffer state). Claude delegates; Codex does not. | | `fs/write_text_file` | S | ❌ | ✅ | ❌ | Same — direct writes, no editor delegation. | | `terminal/create` | S | ❌ | ❌ | ❌ | Neither reference adapter drives the client terminal API either — both, like the bridge, render shell output as tool-call content + a `_meta` channel (see [§5 Terminal](#terminal-rendering)). | @@ -130,7 +130,7 @@ The bridge rejects unsupported prompt blocks rather than silently dropping them | Feature | Stable | Bridge | Notes | |---|---|---|---| | `StopReason` mapping | S | ✅ | `turnEndToStopReason` is total over harness turn-end reasons → `end_turn`/`max_tokens`/`cancelled`. | -| Multi-session (N per connection) | S | ✅ | Strict per-session demux; concurrent streams never interleave. See the [multi-session RFC](../../../docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md). | +| Multi-session (N per connection) | S | ✅ | Strict per-session demux; concurrent streams never interleave. See the [multi-session RFC](../../../docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md). | | Disconnect / disposal teardown | S | ✅ | Quiesces every live session on client disconnect or Cordis disposal. | | `_meta` extensibility | S | ⚠️ | Consumed (Zed terminal cap) and emitted (terminal `_meta`); no other custom extensions. | | Background-task ownership isolation | — | ✅ | `bash_output`/`bash_kill` reject another session's task via an opaque owner token. | @@ -141,7 +141,7 @@ The bridge rejects unsupported prompt blocks rather than silently dropping them Ranked by how commonly the reference adapters ship them and how much UX they unlock: 1. **Session lifecycle** — `session/list` + `session/delete` (the persistence layer already lists), then `session/resume` / `session/close`. -2. **Modes / config options / model selection** — the permission round-trip landed with the approval seam; the config surface (`sandbox_mode`/`approval_policy` options) is the sandbox RFC's config phase. +2. **Model selection** — sandbox and approval config options are implemented; selecting the bridge's model at runtime remains open. 3. **Agent plan** (`sessionUpdate: 'plan'`) — surface the loop's plan as structured entries. 4. **Slash commands** (`available_commands_update`). 5. **MCP passthrough** (`mcpServers` on `session/new` + `mcpCapabilities`). diff --git a/packages/ui/acp/package.json b/packages/ui/acp/package.json index 0f3efc7110..a916722c52 100644 --- a/packages/ui/acp/package.json +++ b/packages/ui/acp/package.json @@ -28,7 +28,7 @@ }, "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", - "@deepseek-ai/dsh-approval": "^0.0.1", + "@deepseek-ai/dsh-user-approval": "^0.0.1", "@deepseek-ai/dsh-bash": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-sandbox": "^0.0.1", @@ -41,7 +41,7 @@ "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-agent-loop": "workspace:^", - "@deepseek-ai/dsh-approval": "workspace:^", + "@deepseek-ai/dsh-user-approval": "workspace:^", "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", "@deepseek-ai/dsh-fs-local": "workspace:^", diff --git a/packages/ui/acp/src/index.ts b/packages/ui/acp/src/index.ts index a7b13ac13b..253bfb9b13 100644 --- a/packages/ui/acp/src/index.ts +++ b/packages/ui/acp/src/index.ts @@ -75,9 +75,9 @@ import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent' import { AgentId } from '@deepseek-ai/dsh-agent' import { SessionId } from '@deepseek-ai/dsh-session' import { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from '@deepseek-ai/dsh-bash' -import { APPROVAL_POLICIES, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-approval' +import { APPROVAL_POLICIES, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-user-approval' import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' -import type { ApprovalPolicy } from '@deepseek-ai/dsh-approval' +import type { ApprovalPolicy } from '@deepseek-ai/dsh-user-approval' import type { SessionEvent, TodoItem, TurnEndReason } from '@deepseek-ai/dsh-session' import type { ToolCallView, ToolRegistry, ToolResultView, TerminalResultView } from '@deepseek-ai/dsh-tools' // Side-effect type import: declaration-merges `ctx.sessionPersistence` onto @@ -85,7 +85,7 @@ import type { ToolCallView, ToolRegistry, ToolResultView, TerminalResultView } f import type {} from '@deepseek-ai/dsh-session-persistence' // Side-effect type import: declaration-merges the `approval/request` waterfall // the bridge answers for its own agents (see the approval answerer below). -import type {} from '@deepseek-ai/dsh-approval' +import type {} from '@deepseek-ai/dsh-user-approval' import { UserInteractionError, type AskUserQuestionAnswer, @@ -582,7 +582,7 @@ export function apply(ctx: Context, config: AcpConfig): void { // --- Approval answerer ----------------------------------------------------- // The bridge is the approval channel for the agents it owns: an `ask` routed - // through `ctx.approval` (dsh-tools today, sandbox escalation later) becomes + // through `ctx.approval` (dsh-tools asks and sandbox escalation) becomes // an editor permission prompt attached to the already-streamed tool call. The // listener occupies the single decision slot ONLY for its own agents — a // foreign or call-less request delegates via next() so another answerer (or diff --git a/packages/ui/acp/tests/approval.spec.ts b/packages/ui/acp/tests/approval.spec.ts index 84b816067c..ed035aaf80 100644 --- a/packages/ui/acp/tests/approval.spec.ts +++ b/packages/ui/acp/tests/approval.spec.ts @@ -5,7 +5,7 @@ import { join } from 'node:path' import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' import { CallId } from '@deepseek-ai/dsh-llm' import { AgentId, type Agent } from '@deepseek-ai/dsh-agent' -import ApprovalService, { type ApprovalRequest } from '@deepseek-ai/dsh-approval' +import ApprovalService, { type ApprovalRequest } from '@deepseek-ai/dsh-user-approval' import { makeBridgeHarness, type BridgeHarness } from './harness.ts' /** diff --git a/packages/ui/acp/tests/config-options.spec.ts b/packages/ui/acp/tests/config-options.spec.ts index 46ff7c13e5..1202e44bd3 100644 --- a/packages/ui/acp/tests/config-options.spec.ts +++ b/packages/ui/acp/tests/config-options.spec.ts @@ -13,8 +13,8 @@ import { tmpdir } from 'node:os' import { join } from 'node:path' import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' import * as Invariants from '@deepseek-ai/dsh-invariants' -import ApprovalService from '@deepseek-ai/dsh-approval' -import type { ApprovalPolicy } from '@deepseek-ai/dsh-approval' +import ApprovalService from '@deepseek-ai/dsh-user-approval' +import type { ApprovalPolicy } from '@deepseek-ai/dsh-user-approval' import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' import { makeBridgeHarness, textResponse, type BridgeHarness } from './harness.ts' diff --git a/packages/ui/acp/tsconfig.json b/packages/ui/acp/tsconfig.json index 9aea0732d6..0c82438277 100644 --- a/packages/ui/acp/tsconfig.json +++ b/packages/ui/acp/tsconfig.json @@ -36,7 +36,7 @@ "path": "../../session-persistence/session-persistence" }, { - "path": "../../approval/approval" + "path": "../user-approval" }, { "path": "../../sandbox/sandbox" diff --git a/packages/approval/approval/README.md b/packages/ui/user-approval/README.md similarity index 58% rename from packages/approval/approval/README.md rename to packages/ui/user-approval/README.md index b4f3a293c1..3973dd5029 100644 --- a/packages/approval/approval/README.md +++ b/packages/ui/user-approval/README.md @@ -1,12 +1,12 @@ -# @deepseek-ai/dsh-approval +# @deepseek-ai/dsh-user-approval -Approval seam. Owns the `ctx.approval` service ([`ApprovalService`](src/index.ts)) and the one-shot permission vocabulary the harness shares: `ApprovalRequest` (agent + tool identity + reason + abort signal), the closed `ApprovalOutcome` union (`allowed-once` / `rejected` / `cancelled` / `unavailable`), the `ApprovalRequestId` brand pairing the two log-only audit events (`approval/asked` / `approval/decided`), and the `approval/request` waterfall the answerers listen on. Depends only on cordis and the core vocabulary packages (agent, session, llm brand), never on any UI. +User-approval seam. Owns the `ctx.approval` service ([`ApprovalService`](src/index.ts)) and the one-shot permission vocabulary the harness shares: `ApprovalRequest` (agent + tool identity + reason + abort signal), the closed `ApprovalOutcome` union (`allowed-once` / `rejected` / `cancelled` / `unavailable`), the `ApprovalRequestId` brand pairing the two log-only audit events (`approval/asked` / `approval/decided`), and the `approval/request` waterfall the answerers listen on. It lives in the UI group because its purpose is human permission, while remaining channel-neutral: it depends only on Cordis and core vocabulary packages, never on a concrete UI. The contract in one line: `ctx.approval.request(req)` puts exactly one question — "may this specific action proceed?" — to whatever answerers the deployment composed, and always resolves to an outcome, never rejects: an aborted signal yields `cancelled`, a throwing or missing answerer yields `unavailable`, and `allowed-once` is a grant for the single asked-about action, never a class of future ones. The one precondition: ask from inside an open turn — the audit pair is turn-enclosed by contract (the turn is the durable log's commit/replay boundary; a bare event between turns is crash-tail garbage on reload), so an idle ask throws before appending anything. The service is the mechanism, answerers are the policy. Answerers are `approval/request` waterfall listeners occupying a single decision slot: answer for an agent you own by returning an outcome without calling `next()`, or delegate an agent you don't recognize by calling `next()` — the chain's built-in default is `unavailable`, so a deployment with no answerer (headless, CI) fails closed with zero configuration. Registration order across sibling plugins is not load-order deterministic; compose one terminal answerer per deployment and use `prepend` listeners only for decide-or-delegate gates. -The seam also owns the per-session POLICY tier ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): `ApprovalPolicy` is `'ask'` (delegate to the answerers — the prior behavior exactly) or `'never'` (deterministically reject without prompting anyone; the strict CI/unattended stance), with `effective = fold(the session's 'approval/policy' events, last one wins) ?? Config.policy` — the session log is the store, written only through `setApprovalPolicy(session, policy)`. The service decides `'never'` inside `request()` itself, before dispatching the waterfall (`'never'` → `'rejected'` with the audit pair still landing; no listener registration, including a later `prepend`, can precede it), states `'never'` — and only `'never'` — in a per-agent prompt section (a "you will be prompted" promise under `'ask'` would overclaim what a headless composition can do; the section scope activates only when `systemPrompt` is composed), and narrates a policy switch to the model in at most one coalesced `agent/pre-step` notice, attributed positionally (an override event after the log's last `request/header*` reads `changed by the user`; a config drift reads `changed by the operator/config`). +The seam also owns the per-session POLICY tier ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): `ApprovalPolicy` is `'ask'` (delegate to the answerers) or `'never'` (deterministically reject without prompting anyone; the strict CI/unattended stance), with `effective = fold(the session's 'approval/policy' events, last one wins) ?? Config.policy` — the session log is the store, written only through `setApprovalPolicy(session, policy)`. The service decides `'never'` inside `request()` itself, before dispatching the waterfall (`'never'` → `'rejected'` with the audit pair still landing; no listener registration, including a later `prepend`, can precede it), states `'never'` — and only `'never'` in prose — in a per-agent prompt section, records either value with a source-owned header marker, and narrates a policy switch to the model in at most one coalesced `agent/pre-step` notice. The restart fallback reads the marker rather than deployment-controlled persona prose; attribution is positional (an override event after the last `request/header*` reads `changed by the user`, otherwise `changed by the operator/config`). One seam serves both ask paths of [the sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md): the `tools/pre-execute` `ask` decision (routed by [`@deepseek-ai/dsh-tools`](../../core/tools/) when this service is mounted; degrading to deny when it is not), and the sandbox post-denial escalated retry (the bash tool's `sandbox_permissions` gate in [`@deepseek-ai/dsh-tool-bash`](../../bash/tool-bash/) — [the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). The full design: [the approval-seam RFC](../../../docs/rfc/implemented/feature/2026-07-06-approval-seam.md). diff --git a/packages/approval/approval/package.json b/packages/ui/user-approval/package.json similarity index 80% rename from packages/approval/approval/package.json rename to packages/ui/user-approval/package.json index 38ce9533b1..619339fde3 100644 --- a/packages/approval/approval/package.json +++ b/packages/ui/user-approval/package.json @@ -1,6 +1,6 @@ { - "name": "@deepseek-ai/dsh-approval", - "description": "Approval seam (ctx.approval) for the DeepSeek Harness: one-shot permission decisions dispatched to composed answerers over the approval/request waterfall, fail-closed by default", + "name": "@deepseek-ai/dsh-user-approval", + "description": "User-approval seam (ctx.approval) for the DeepSeek Harness: one-shot permission decisions dispatched to composed answerers over the approval/request waterfall, fail-closed by default", "version": "0.0.1", "private": true, "type": "module", diff --git a/packages/approval/approval/src/index.ts b/packages/ui/user-approval/src/index.ts similarity index 88% rename from packages/approval/approval/src/index.ts rename to packages/ui/user-approval/src/index.ts index 2f819e83e2..064875a86a 100644 --- a/packages/approval/approval/src/index.ts +++ b/packages/ui/user-approval/src/index.ts @@ -8,8 +8,8 @@ * * The service is the MECHANISM (dispatch, cancellation, audit); answerers are * the POLICY. It serves both ask paths the sandbox RFC names — the - * `tools/pre-execute` `ask` decision today, and the sandbox post-denial - * escalation when that phase lands — so every asker shares one outcome + * `tools/pre-execute` `ask` decision and the sandbox post-denial escalation — + * so every asker shares one outcome * vocabulary and one audit trail. Grants are one-shot by design: an * `'allowed-once'` outcome authorizes the single action it was asked about, * never a class of future actions. @@ -30,7 +30,7 @@ * asking); an `agent/pre-step` narrator explains a switch to the model in at * most one coalesced notice per step. * - * @module @deepseek-ai/dsh-approval + * @module @deepseek-ai/dsh-user-approval */ import { randomUUID } from 'node:crypto' @@ -153,18 +153,32 @@ export const APPROVAL_POLICIES: readonly ApprovalPolicy[] = ['ask', 'never'] /** * The prompt sentence stating a `'never'` policy — visibility for the one - * deterministic policy (see {@link ApprovalPolicy}), and the narrator's parse - * candidate for "what was the model last told": a folded `request/header*` - * system text containing it was assembled under `'never'`; one without it - * (but with any header at all) was assembled under `'ask'`, which states - * nothing. The exact-wording compatibility surface (writer and parser) lives - * entirely in this module; the bash tool description's escalation teaching - * additionally defers to the sentence's opening claim by meaning (see - * `dsh-tool-bash`), so keep the sentence opening with the approvals-disabled - * statement. + * deterministic policy (see {@link ApprovalPolicy}). Narrator persistence + * does NOT parse this prose: deployments can quote it in a persona or another + * section, so the section also emits a source-owned marker. */ const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).' +/** Source-owned prompt markers used to reconstruct the policy in a logged header. */ +const POLICY_MARKERS = { + ask: '', + never: '', +} as const satisfies Record + +/** + * Read the policy fact emitted by this service from a logged system prompt. + * The section is ordered after deployment persona text, and the last marker + * wins so a persona quoting an earlier marker cannot shadow the service's own + * contribution. Ordinary policy prose is deliberately ignored. + */ +function toldApprovalPolicy(system: string | undefined): ApprovalPolicy | undefined { + if (system === undefined) return undefined + const ask = system.lastIndexOf(POLICY_MARKERS.ask) + const never = system.lastIndexOf(POLICY_MARKERS.never) + if (ask < 0 && never < 0) return undefined + return never > ask ? 'never' : 'ask' +} + /** * The session's approval-policy override: the last `approval/policy` event in * the log, or undefined when the session never switched (callers apply the @@ -258,13 +272,12 @@ export interface Config { * returned to the caller, never stored here. * * Owns the policy tier too (`effective = fold(the session's 'approval/policy' - * events) ?? config.policy`): a PREPENDED decide-or-delegate gate resolves - * `'never'` sessions to `'rejected'` before any interactive answerer is - * prompted, a per-agent prompt section states a `'never'` policy (and only - * that one — an `'ask'` promise could overclaim an answerer that headless - * compositions do not have), and an `agent/pre-step` narrator injects at most - * one coalesced notice when a session's effective policy moved past what the - * model was last told. + * events) ?? config.policy`): `request()` resolves `'never'` to `'rejected'` + * before dispatching any interactive answerer, a per-agent prompt section + * states a `'never'` policy (and only that one in prose — an `'ask'` promise + * could overclaim an answerer that headless compositions do not have), and an + * `agent/pre-step` narrator injects at most one coalesced notice when a + * session's effective policy moved past what the model was last told. */ export class ApprovalService extends Service { static Config: z = z.object({ @@ -278,9 +291,10 @@ export class ApprovalService extends Service { // Visibility layer 1, scoped on the prompt registry so headless // compositions mount the seam without it: state the one deterministic - // policy per session. 'ask' renders nothing — stating "you will be - // asked" would overclaim in a composition with no answerer, and absence - // under any logged header is exactly how the narrator reads 'ask' back. + // policy per session. 'ask' renders only a source-owned state marker — + // stating "you will be asked" would overclaim in a composition with no + // answerer. The marker, not deployment-controlled prose, is what the + // restart narrator reads back from the logged request header. ctx.inject(['systemPrompt'], (scope: Context) => { scope.systemPrompt.section({ name: 'approval:policy', @@ -289,7 +303,8 @@ export class ApprovalService extends Service { const agent = context.agent // A bare assemble() (tests, diagnostics) has no session to state. if (agent === undefined) return '' - return effective(agent) === 'never' ? NEVER_SENTENCE : '' + const policy = effective(agent) + return policy === 'never' ? `${NEVER_SENTENCE}\n${POLICY_MARKERS.never}` : POLICY_MARKERS.ask }, }) }) @@ -322,8 +337,7 @@ export class ApprovalService extends Service { // for POSITIONAL attribution; the default lives once, in the method. const current = this.effectivePolicy(agent) const header = session.requestHeader() - const told = narrated.get(session) - ?? (header === undefined ? undefined : header.system?.includes(NEVER_SENTENCE) === true ? 'never' : 'ask') + const told = narrated.get(session) ?? toldApprovalPolicy(header?.system) narrated.set(session, current) // Cold start (nothing ever told) narrates nothing — the section about // to go out states the truth, and there is no delta to explain. @@ -331,7 +345,7 @@ export class ApprovalService extends Service { const cause = overrideIndex > headerIndex ? 'changed by the user' : 'changed by the operator/config' agent.inject( [{ type: 'text', text: `The approval policy changed from "${told}" to "${current}" (${cause}).` }], - { source: { kind: 'plugin', plugin: 'approval' } }, + { source: { kind: 'plugin', plugin: 'user-approval' } }, ) }) } diff --git a/packages/approval/approval/tests/approval.spec.ts b/packages/ui/user-approval/tests/approval.spec.ts similarity index 84% rename from packages/approval/approval/tests/approval.spec.ts rename to packages/ui/user-approval/tests/approval.spec.ts index a732a3161c..891f3eb4a1 100644 --- a/packages/approval/approval/tests/approval.spec.ts +++ b/packages/ui/user-approval/tests/approval.spec.ts @@ -5,7 +5,7 @@ import { CallId } from '@deepseek-ai/dsh-llm' import { Session, SessionId } from '@deepseek-ai/dsh-session' import type { SessionEvent } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ApprovalService, { ApprovalOutcome, ApprovalRequest, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-approval' +import ApprovalService, { ApprovalOutcome, ApprovalRequest, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-user-approval' /** * A minimal Agent stand-in — the service only reaches `agent.session.append` @@ -205,6 +205,8 @@ describe('ApprovalService.request', () => { describe('approval policy (the approval/policy fold)', () => { const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).' + const ASK_MARKER = '' + const NEVER_MARKER = '' /** * An agent stand-in over a REAL Session — gate, section, and narrator fold @@ -304,7 +306,7 @@ describe('approval policy (the approval/policy fold)', () => { await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected') }) - it('states never (and only never) in the prompt, per session', async () => { + it('states never (and only never) in prose while recording either policy with a source-owned marker', async () => { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ApprovalService) @@ -313,8 +315,8 @@ describe('approval policy (the approval/policy fold)', () => { setApprovalPolicy(session, 'never') const sectionFor = async (context: object) => (await ctx.systemPrompt.assemble(context)).sections.find(s => s.name === 'approval:policy')?.text - expect(await sectionFor({ agent: askAgent })).toBe('') - expect(await sectionFor({ agent: neverAgent })).toBe(NEVER_SENTENCE) + expect(await sectionFor({ agent: askAgent })).toBe(ASK_MARKER) + expect(await sectionFor({ agent: neverAgent })).toBe(`${NEVER_SENTENCE}\n${NEVER_MARKER}`) // A bare assemble (no agent) has no session to state. expect(await sectionFor({})).toBe('') }) @@ -344,16 +346,16 @@ describe('approval policy (the approval/policy fold)', () => { const ctx = new Context() await ctx.plugin(ApprovalService) const { agent, session, injected } = sessionAgent('sess-narr-2') - appendHeader(session, `persona\n\n${NEVER_SENTENCE}`) + appendHeader(session, `persona\n\n${NEVER_SENTENCE}\n${NEVER_MARKER}`) await preStep(ctx, agent) expect(injected).toEqual(['The approval policy changed from "never" to "ask" (changed by the operator/config).']) }) - it('narrates a config default drift over a sentence-less header (told = ask by absence)', async () => { + it('narrates a config default drift from the logged ask marker', async () => { const ctx = new Context() await ctx.plugin(ApprovalService, { policy: 'never' }) const { agent, session, injected } = sessionAgent('sess-narr-3') - appendHeader(session, 'persona only') + appendHeader(session, `persona only\n${ASK_MARKER}`) await preStep(ctx, agent) expect(injected).toEqual(['The approval policy changed from "ask" to "never" (changed by the operator/config).']) }) @@ -362,10 +364,61 @@ describe('approval policy (the approval/policy fold)', () => { const ctx = new Context() await ctx.plugin(ApprovalService, { policy: 'never' }) const { agent, session, injected } = sessionAgent('sess-narr-4') - appendHeader(session, 'persona only') + appendHeader(session, `persona only\n${ASK_MARKER}`) setApprovalPolicy(session, 'ask') - appendHeader(session, 'persona only') + appendHeader(session, `persona only\n${ASK_MARKER}`) await preStep(ctx, agent) expect(injected).toEqual([]) }) + + it('does not infer never from deployment prose that quotes the never sentence', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-spoof-prose') + appendHeader(session, `persona quotes this warning: ${NEVER_SENTENCE}\n${ASK_MARKER}`) + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) + + it('treats a legacy header with no source-owned marker as untold', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent, session, injected } = sessionAgent('sess-narr-unmarked-header') + appendHeader(session, 'legacy persona-only header') + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) + + it('uses the service marker after an earlier persona marker', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-spoof-marker') + appendHeader(session, `persona quotes ${NEVER_MARKER}\n${ASK_MARKER}`) + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) + + it('disposes the service prompt section and pre-step narrator together (HMR safety)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + const fiber = await ctx.plugin(ApprovalService) + const live = sessionAgent('sess-hmr-service-live') + const afterDispose = sessionAgent('sess-hmr-service-disposed') + const sectionFor = async () => + (await ctx.systemPrompt.assemble({ agent: live.agent })).sections.find(section => section.name === 'approval:policy') + expect(await sectionFor()).toBeDefined() + + appendHeader(live.session, `persona\n${ASK_MARKER}`) + setApprovalPolicy(live.session, 'never') + await preStep(ctx, live.agent) + expect(live.injected).toEqual(['The approval policy changed from "ask" to "never" (changed by the user).']) + + appendHeader(afterDispose.session, `persona\n${ASK_MARKER}`) + setApprovalPolicy(afterDispose.session, 'never') + await fiber.dispose() + + expect(await sectionFor()).toBeUndefined() + await preStep(ctx, afterDispose.agent) + expect(afterDispose.injected).toEqual([]) + }) }) diff --git a/packages/approval/approval/tsconfig.json b/packages/ui/user-approval/tsconfig.json similarity index 100% rename from packages/approval/approval/tsconfig.json rename to packages/ui/user-approval/tsconfig.json diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 06bda5af34..c22e799340 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -75,7 +75,7 @@ importers: specifier: ^4.1.8 version: 4.1.8(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) - packages/approval/approval: + packages/ui/user-approval: dependencies: schemastery: specifier: ^3.18.0 @@ -164,9 +164,9 @@ importers: '@deepseek-ai/dsh-agent-loop': specifier: workspace:^ version: link:../../core/agent-loop - '@deepseek-ai/dsh-approval': + '@deepseek-ai/dsh-user-approval': specifier: workspace:^ - version: link:../../approval/approval + version: link:../../ui/user-approval '@deepseek-ai/dsh-bash': specifier: workspace:^ version: link:../bash @@ -416,9 +416,9 @@ importers: '@deepseek-ai/dsh-agent': specifier: workspace:^ version: link:../agent - '@deepseek-ai/dsh-approval': + '@deepseek-ai/dsh-user-approval': specifier: workspace:^ - version: link:../../approval/approval + version: link:../../ui/user-approval '@deepseek-ai/dsh-code-runtime': specifier: workspace:^ version: link:../../code-runtime/code-runtime @@ -1063,9 +1063,9 @@ importers: '@deepseek-ai/dsh-agent-loop': specifier: workspace:^ version: link:../../core/agent-loop - '@deepseek-ai/dsh-approval': + '@deepseek-ai/dsh-user-approval': specifier: workspace:^ - version: link:../../approval/approval + version: link:../user-approval '@deepseek-ai/dsh-bash': specifier: workspace:^ version: link:../../bash/bash diff --git a/scripts/gen-cordis-catalog.ts b/scripts/gen-cordis-catalog.ts index 9b8141807e..7c6666542b 100644 --- a/scripts/gen-cordis-catalog.ts +++ b/scripts/gen-cordis-catalog.ts @@ -92,11 +92,17 @@ export const LINK_MAP: Record = { ToolDefinition: 'tools.md', ToolExecution: 'tools.md', ToolExecutionResult: 'tools.md', + ApprovalOutcome: 'approval.md', + ApprovalPolicy: 'approval.md', + ApprovalRequest: 'approval.md', BashExecRequest: 'bash.md', BashExecSpec: 'bash.md', BashRunResult: 'bash.md', BashTask: 'bash.md', BashTaskRead: 'bash.md', + ConfinedArgv: 'sandbox.md', + SandboxMode: 'sandbox.md', + SandboxPolicy: 'sandbox.md', CodeRunRequest: 'code-runtime.md', CodeRunResult: 'code-runtime.md', FsEditOutcome: 'filesystem.md', diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index d1481c24ba..655b66833c 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -56,15 +56,25 @@ { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "UserInteractionProvider", "source": "packages/ui/user-interaction/src/index.ts" }, { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "UserInteractionError", "source": "packages/ui/user-interaction/src/index.ts" }, + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalRequestId", "source": "packages/ui/user-approval/src/index.ts" }, + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalOutcome", "source": "packages/ui/user-approval/src/index.ts" }, + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalPolicy", "source": "packages/ui/user-approval/src/index.ts" }, + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalRequest", "source": "packages/ui/user-approval/src/index.ts" }, + { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecRequest", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecSpec", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashRunResult", "source": "packages/bash/bash/src/types.ts" }, - { "doc": "docs/core-data-structures/bash.md", "symbol": "SandboxMode", "source": "packages/sandbox/sandbox/src/index.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashSandboxInfo", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "CollectedOutput", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTask", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTaskRead", "source": "packages/bash/bash/src/types.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "SandboxMode", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "ConfinedSandboxMode", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "SandboxEnforcement", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "SandboxPolicy", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "ConfinedArgv", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeRunRequest", "source": "packages/code-runtime/code-runtime/src/types.ts" }, { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeRunResult", "source": "packages/code-runtime/code-runtime/src/types.ts" }, { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeBindingNamespace", "source": "packages/code-runtime/code-runtime/src/types.ts" }, diff --git a/tsconfig.base.json b/tsconfig.base.json index 66565fb080..8a8df1da03 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -42,7 +42,6 @@ "@deepseek-ai/dsh-*": [ "./packages/core/*/src", "./packages/llm/*/src", - "./packages/approval/*/src", "./packages/bash/*/src", "./packages/code-runtime/*/src", "./packages/fs/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index 814b906d80..09a2795a88 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -20,7 +20,7 @@ { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, - { "path": "./packages/approval/approval" }, + { "path": "./packages/ui/user-approval" }, { "path": "./packages/core/tools" }, { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, diff --git a/tsconfig.json b/tsconfig.json index d581491025..cf630b244c 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -31,7 +31,7 @@ { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, { "path": "./packages/ui/user-interaction" }, - { "path": "./packages/approval/approval" }, + { "path": "./packages/ui/user-approval" }, { "path": "./packages/core/tools" }, { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, From 0d23d95ddedb8379c0048dd6d51ff6a702082ed4 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sat, 11 Jul 2026 22:07:56 +0800 Subject: [PATCH 85/90] docs(sandbox): record follow-up boundaries --- docs/rfc/implemented/feature/2026-07-06-sandbox.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/rfc/implemented/feature/2026-07-06-sandbox.md b/docs/rfc/implemented/feature/2026-07-06-sandbox.md index cea1211487..e3e740b31c 100644 --- a/docs/rfc/implemented/feature/2026-07-06-sandbox.md +++ b/docs/rfc/implemented/feature/2026-07-06-sandbox.md @@ -77,6 +77,8 @@ The launcher is a ~300-line C program (plain C11 over the raw Landlock UAPI — The launcher lives in its own repository and reaches the harness as the npm package family [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) (the per-platform-package pattern of `node-addon-require-builtin` and esbuild): an entry package — `dsh-sandbox-local`'s one runtime dependency — plus per-platform binary packages selected at install time by npm's `os`/`cpu` fields. The entry package owns the launcher's CLI contract end to end (`launcherPath()` resolution with a never-existing fallback, the functional `probe()`, `grantArgs()` flag spelling), versioned together with the binary so probe-report parsing can never drift against it; the harness keeps only the policy side, `landlockProfileArgs()` mapping the mode vocabulary to grants. Native-only per-architecture builds, pack gates (binary presence, executability, ELF architecture), and the byte-pinned publish rehearsal are that repository's release pipeline; this repo's Landlock CI legs install the published family from the registry — the true consumer path — and prove real-kernel confinement through it. +FIXME: Revisit the separate-repository boundary and try to maintain the launcher source and its platform package family inside this monorepo, so the native release surface and harness contract evolve together. + Profile parity is honest rather than identical: under Landlock, `read-only` grants `--ro /` plus `--rw /dev/null` (the node, not `/dev` — the host's `/dev/shm` is a persistent shared tmpfs), and `workspace-write` grants the HOST `/tmp` where bwrap's is ephemeral; under Seatbelt, `read-only` likewise grants only the `/dev/null` literal, and `workspace-write` grants the host `/tmp` plus the per-user darwin temp dir (`os.tmpdir()` — the platform's real temp area for mkstemp-family tools; omitting it would deny what the mode promises). Every wrap carries the rung's denial dialect (`denialSignatures`: EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt) so consumers match the active backend rather than a cross-runner union. Enforcement is honest per ABI level: an older kernel enforces the subset its ABI governs (path truncate is ungoverned before ABI v3), the probe's report line distinguishes the cases, and every confined result carries the structured `enforcement: 'full' | 'partial'` fact — refusing partial enforcement would deny the fallback to precisely the older-kernel hosts that need it. The bwrap and Seatbelt profiles govern every promised file effect by construction, so their passing probes always report `full`. #### The bash consumer @@ -126,6 +128,8 @@ Each owner exports the same three-piece kit: the event declaration, a pure fold fs/web/todo execute in-process, so their sandbox semantics are policy at their seams: the fs intent gates deciding by the shared mode vocabulary (§ Deferred phases, cross-family) make `read-only` a real boundary instead of a bash-only approximation — until then the contract says so honestly. No generic per-tool sandbox runtime: a host-mediated tool leaves the process only by returning declarative effects the host validates, which is a rewrite, not a wrapper. +FIXME: Revisit this tool-local boundary. The follow-up design needs to determine whether sandboxing becomes a global harness capability that applies uniformly to every tool, instead of expressing in-process enforcement independently at each tool seam. + ### Testing - Unit tier (no real runner anywhere): profile dialects, per-platform chain selection (sole candidate unprobed, no chain fails closed, multi-candidate probe order), verdict caching, the fail-closed end, probe-report parsing, and the launcher/`sandbox-exec` CLI contracts via fake runner scripts in `dsh-sandbox-local`; wrapping, policy hand-off, fact stamping, and runner-failure-outranks-denial classification (foreground throw, background `runnerFailed` fact) against a fake provider in `dsh-bash-sandbox`; the error's structured identity in `dsh-sandbox`. The escalation matrix spans the three bash packages: verbatim carry-through in `dsh-bash-local`, stamp/branch/per-task-facts in `dsh-bash-sandbox`, and the capability gate, `justification` pairing, fail-closed texts (pinned verbatim), and grant stamping in `dsh-tool-bash`. The switching surface pins the folds, the stamping precedence, the `'never'` gate, per-session section rendering, the full narrator matrix (cold start, coalescing, net-zero, resume drift with operator wording, positional attribution, persona-shadow hardening), and the bridge's advertisement gating, validation rejections, idle-vs-mid-turn anchoring (dev invariants mounted), and `session/load` reporting over a real two-process JSONL round trip. From 28f7fa0969949c1ab1dc38840c3eb236723f72fe Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sat, 11 Jul 2026 22:18:58 +0800 Subject: [PATCH 86/90] docs(rfc): record deferred skill extensions --- docs/rfc/implemented/feature/2026-07-05-skill-system.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md index 6b42ec1a9d..b3007529cd 100644 --- a/docs/rfc/implemented/feature/2026-07-05-skill-system.md +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -47,3 +47,7 @@ The data structures and catalog/tool contract are documented in [skills.md](../. The agent-core spine includes one session-prefix contributor, one local provider, and one model-facing tool. Skill discovery is cwd-sensitive, so callers that create agents with different session cwd values can observe different project skill overrides by design. The catalog is deterministic for a fixed root set and runtime registration revision, but disk changes are not watched; discovery is memoized until runtime registration invalidates the cache or the process restarts. + +## Deferred + +Forked skill contexts (`context: fork`), direct user/slash invocation (`user-invocable`), parameter declarations and hints (`arguments` and `argument-hint`), and per-skill tool constraints (`allowed-tools` and `disallowed-tools`) are outside the shipped contract. The registry, local provider, and model-facing tool do not parse, advertise, or enforce these fields. From 9339622d3b6da4070944ba10bc9eed2bb121fb25 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sat, 11 Jul 2026 22:24:20 +0800 Subject: [PATCH 87/90] test(acp): snapshot system prompts as Markdown --- .../testing/2026-06-19-acp-snapshot-tests.md | 2 +- ...-request-header-content-in-one-scenario.md | 17 +- .../2026-07-08-shared-acp-snapshot-package.md | 2 +- examples/acp-agent/tests/acp.snapshot.ts | 5 +- .../snapshots/both-mode-turn/session.jsonl | 2 +- .../both-mode-turn/system-prompt.golden.md | 133 +++++++++++++ .../snapshots/code-mode-turn/session.jsonl | 2 +- .../code-mode-turn/system-prompt.golden.md | 133 +++++++++++++ .../tests/snapshots/text-turn/session.jsonl | 2 +- .../text-turn/system-prompt.golden.md | 18 ++ packages/support/acp-snapshot/README.md | 8 +- packages/support/acp-snapshot/src/index.ts | 3 +- .../support/acp-snapshot/src/normalize.ts | 87 +++++---- packages/support/acp-snapshot/src/suite.ts | 183 +++++++++++------- .../record-suite/rec-pin/session.jsonl | 2 +- .../rec-pin/system-prompt.golden.md | 1 + .../fixtures/suite/pin-turn/session.jsonl | 2 +- .../suite/pin-turn/system-prompt.golden.md | 1 + .../acp-snapshot/tests/normalize.spec.ts | 48 ++++- .../support/acp-snapshot/tests/suite.spec.ts | 27 +++ 20 files changed, 543 insertions(+), 135 deletions(-) create mode 100644 examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md create mode 100644 examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md create mode 100644 examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md create mode 100644 packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/system-prompt.golden.md create mode 100644 packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/system-prompt.golden.md diff --git a/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md b/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md index ae5ea96f83..b424a253bd 100644 --- a/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md +++ b/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md @@ -51,7 +51,7 @@ The ACP server app loads `@deepseek-ai/dsh-llm-deepseek`, whose `apply` throws w A snapshot run asserts **two** normalized surfaces, because the harness's external surfaces are distinct: 1. The **stdout transcript** — the framed `session/update` JSON-RPC the editor sees. Catches regressions in the ACP bridge's event→update translation (`streamSessionEventUpdate`). Compared against a committed `stdout.golden.jsonl`. -2. The **re-persisted session JSONL** — the log the replay run itself persists, compared against the scenario's `session.jsonl`. Catches regressions in the loop, tool dispatch, and turn/step structure that never surface on stdout. There is no separate session golden: `session.jsonl` is BOTH the replay source (recorded scenarios) and the expected produced log. Both sides pass through `normalizeSessionLog` before comparing — the fixture is raw-harvested (its own real session id / cwd / timestamps) and the replay output has fresh ones, so each is scrubbed against ITS OWN volatile values (the fixture's read from its header line) and the comparison is on normalized form. Request-header CONTENT (the composed system prompt + tool schemas) is additionally scrubbed to `{{system}}`/`{{tools}}` tokens on both sides — in the stored fixtures too — for every scenario except the one that pins it ([pinned-header RFC](2026-07-06-pin-request-header-content-in-one-scenario.md)). For an authored override scenario the same `session.jsonl` holds the expected produced log; `replay.override.json` drives the model, and `llm-replay` ignores the fixture for model chunks when an override exists, so committing the expected log there does not affect replay. +2. The **re-persisted session JSONL** — the log the replay run itself persists, compared against the scenario's `session.jsonl`. Catches regressions in the loop, tool dispatch, and turn/step structure that never surface on stdout. There is no separate session golden: `session.jsonl` is both the replay source (recorded scenarios) and the expected produced log. Both sides pass through `normalizeSessionLog` before comparing — the fixture is raw-harvested (its own real session id / cwd / timestamps) and the replay output has fresh ones, so each is scrubbed against its own volatile values (the fixture's read from its header line) and the comparison is on normalized form. Every stored JSONL additionally scrubs composed prompt text to `{{system}}`; each header class's pinning scenario stores that prompt readably in `system-prompt.golden.md` and keeps the complete tool schemas in its JSONL, while other scenarios scrub schemas to `{{tools}}` ([pinned-header RFC](2026-07-06-pin-request-header-content-in-one-scenario.md)). For an authored override scenario the same `session.jsonl` holds the expected produced log; `replay.override.json` drives the model, and `llm-replay` ignores the fixture for model chunks when an override exists, so committing the expected log there does not affect replay. The two are genuinely additive: stdout is the bridge's *lossy projection* of the log (it drops `assistant/message.usage`, `step/*`, exact `seq`/`time`, and renders tool I/O differently), so a loop/tool/turn-structure regression can change the JSONL while leaving the stdout projection identical, and a bridge-translation regression can change stdout while the JSONL is untouched. Asserting the JSONL equality also echoes the proposed [universal replay fixture](../../proposed/testing/2026-06-11-deterministic-and-stress-testing.md) idea. diff --git a/docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md b/docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md index 862dfd42fa..00a60ad4bc 100644 --- a/docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md +++ b/docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md @@ -4,29 +4,30 @@ Status: implemented ## Problem -Every model-driving ACP snapshot fixture (`session.jsonl`) embedded the full composed system prompt and the complete tool-schema list in its `request/header` event — roughly 8 KB on one line, per fixture. That content is identical across the suite (byte-identical tool list everywhere, including subagent children; identical prompt modulo each recording's temp cwd), so any change touching a tool description or a system-prompt line had to update every fixture: re-record everything against the live API (churning model responses and stdout goldens along the way) or hand-edit ~35 giant header lines. Introducing the dynamic-workflows feature — one new tool plus one prompt paragraph — rewrote every snapshot fixture in the repo, burying the behavioral diff a reviewer should be reading. +An ACP snapshot suite needs to prove the exact composed system prompt and tool-schema list sent in each `request/header`, but duplicating that content inside every `session.jsonl` makes a prompt or schema edit rewrite dozens of giant one-line JSON records. Keeping one raw header avoids the duplication but still makes prompt review poor: prose is JSON-escaped onto one line and mixed with thousands of characters of tool schemas. ## Decision -Exactly one scenario — `text-turn`, flagged `pinsHeader` in the `acp.snapshot.ts` scenario table — commits and compares the full request-header content; the pin mechanics live in [`dsh-acp-snapshot`](../../../../packages/support/acp-snapshot/README.md), whose suite factory enforces one pin per consuming suite. Every other fixture stores and compares that content as stable tokens via the pure normalizer `scrubRequestHeaders` in that package's `normalize.ts`: a `request/header` event's `header.system` becomes `"{{system}}"` and `header.tools` becomes `"{{tools}}"`; a `request/header-delta` keeps its structural facts — the system delta's `keepStart`/`keepEnd` line positions with one `{{system}}` token per inserted line, the tools delta's added/removed/changed tool names — and tokenizes only the bulk (prompt text, schema bodies), so two different deltas still compare different. The scrub is composed in front of `normalizeSessionLog` on BOTH sides of a non-pinning scenario's log compare and applied to the harvested logs record mode writes, so a re-record cannot smuggle the content back. Absent fields stay absent — WHETHER a header carried a prompt or tools is behavior and stays visible — and `config`/`reason` stay verbatim: a model swap churns every fixture by design (it invalidates the recorded responses), while a prompt or schema edit churns none of them (replay derives model behavior exclusively from `assistant/chunk` events and never reads header content — see `dsh-llm-replay`). +Exactly one scenario per header-composition class is flagged `pinsHeader`. Its directory splits the pin by review format: `system-prompt.golden.md` contains the normalized composed prompt as ordinary Markdown, while `session.jsonl` keeps the full tool-schema list, config, and reason but stores `header.system` as `"{{system}}"`. Every other JSONL stores both the system prompt and tool list as `"{{system}}"` / `"{{tools}}"`. The pin mechanics live in [`dsh-acp-snapshot`](../../../../packages/support/acp-snapshot/README.md), whose suite factory enforces one pin per class. -A system-prompt or tool-schema change therefore lands as exactly one committed-fixture diff — the pinned `text-turn` header line — updated by hand or by re-recording that one scenario (`pnpm run test:snapshot:record` with `-t text-turn`). +The pure `scrubSystemPrompts` normalizer applies to every stored session fixture and tokenizes both an initial header's prompt and a header delta's inserted prompt lines. `scrubRequestHeaders` additionally tokenizes tool schemas and session-prefix content for non-pinning scenarios while retaining structural facts: system-delta positions and arity, added/removed/changed tool names, prefix message count, field presence, config, and reason. Record and refresh write-back apply the appropriate scrub before writing JSONL and regenerate the Markdown prompt from the normalized live header, so neither path can reintroduce prompt text into JSONL or leave the readable snapshot stale. -Guards make the split self-enforcing. On disk (fixture meta-tests): every non-pinning `session*.jsonl` must be a fixed point of `scrubRequestHeaders` (unscrubbed content crept in — apply the scrub), the pinning scenario's fixture must NOT be one (the pin lost its content), and exactly one scenario must pin. Live (every non-pinning scenario run): each `request/header` the run produces — parent, spawn child, fork child, initial or resume — must equal the pinned fixture's header after both sides normalize their own volatile values, and no `request/header-delta` may appear at all (a mid-run header change diverges from the pin by construction, and its content would be invisible under the scrub), so the single-pin premise is asserted rather than assumed. +Guards make the split self-enforcing. On disk, every `session*.jsonl` is a fixed point of `scrubSystemPrompts`, only non-pinning fixtures are fixed points of the full header scrub, `system-prompt.golden.md` exists exactly beside pinning fixtures, and each class has one pin. Live, every `request/header` produced by a parent, spawn child, fork child, initial request, or resume must match both halves of its class's pin after volatile-value normalization. A header without a string prompt or any `request/header-delta` fails loud because the two static pin artifacts cannot represent it. One pin covers the whole suite because every session — parent, spawn child, fork child — composes the identical tool list and the identical prompt modulo cwd, and the uniformity guard fails the suite the moment that stops holding. If header composition ever becomes session-dependent by design (a restricted subagent toolset, say), the divergent shape gets its own pinning scenario. ## Alternatives considered -- **Re-record or hand-edit every fixture per change** — the status quo; the churn this RFC removes. -- **Scrub at compare time only, keeping fixtures raw** — the compares go green without fixture edits, but every committed fixture then carries a permanently stale copy of the prompt and schemas: dead weight that misleads readers and still rewrites wholesale on the next re-record. Storing the tokens keeps the fixture honest about what it does and does not pin. +- **Re-record or hand-edit every fixture per change** — preserves exact headers but buries behavioral diffs under duplicated prompt and schema content. +- **Scrub at compare time only, keeping fixtures raw** — lets compares pass while committed fixtures retain stale duplicate content and rewrite wholesale on the next recording. Stored tokens state honestly what each JSONL does not pin. - **Scrub everywhere, pin nowhere** — loses the only end-to-end record of the composed header as actually sent (prompt assembly, registered-tool order, full schemas). The generated tool catalog documents each tool in isolation; only a real fixture pins the composed set. +- **Keep the one full pin entirely in JSONL** — removes suite-wide duplication but leaves system-prompt changes as an escaped one-line diff entangled with the tool list. Markdown gives prompt prose its natural review format without weakening the header assertion. - **Slim the session log itself (log a content digest, store the header elsewhere)** — violates the reconstructability contract: the product log must reproduce each request bit-for-bit ([reconstructable-requests RFC](../architecture/2026-07-05-reconstructable-requests.md)). Header bulk is a test-artifact concern, solved in test normalization; the live log is untouched. ## Verification -All 37 snapshot scenarios replay green with the scrubbed fixtures (the committed fixtures were rewritten once through `scrubRequestHeaders` itself; `text-turn` untouched). The fixed-point, pin-retains-content, exactly-one-pin, live header-uniformity, and no-unpinned-delta guards run inside the suite, and `scrubRequestHeaders` has unit coverage for both header event types, delta structure preservation (line positions, insert arity, tool names), absent-field preservation, config/reason retention, byte-for-byte pass-through of other lines, and idempotence. +The suite replays every scenario against the split pins. Unit coverage exercises both scrub levels, Markdown formatting, record/refresh regeneration, normalized prompt extraction, fixed-point enforcement, required-file symmetry, header uniformity, and delta rejection. ## Consequences -A tool-description or system-prompt change churns one committed fixture line instead of every fixture in the suite, so snapshot diffs read as behavior again, and ~270 KB of duplicated header bytes leave the repo. The cost: non-pinning fixtures no longer display header content, so reading one shows tokens where the prompt and schemas were — the pinned `text-turn` fixture is the place to look, and the live uniformity guard guarantees it speaks for every session in the suite. A header change surfaces as a suite-wide test failure whose fix is the one pinned line, rather than as ~35 fixture rewrites. +A system-prompt change produces a normal line-oriented Markdown diff in one file per affected composition class; a tool-description change produces one pinned JSONL line per class; ordinary behavioral fixtures remain untouched. Session fixtures display tokens for omitted content, and the live uniformity guard makes each split pin authoritative for every session in its class. The pinning scenario carries one extra generated artifact whose terminal newline is canonicalized for repository hygiene. diff --git a/docs/rfc/implemented/testing/2026-07-08-shared-acp-snapshot-package.md b/docs/rfc/implemented/testing/2026-07-08-shared-acp-snapshot-package.md index 910f179313..2f631a5d8a 100644 --- a/docs/rfc/implemented/testing/2026-07-08-shared-acp-snapshot-package.md +++ b/docs/rfc/implemented/testing/2026-07-08-shared-acp-snapshot-package.md @@ -16,7 +16,7 @@ The machinery lives in [`packages/support/acp-snapshot`](../../../../packages/su **`src/normalize.ts`** — the pure normalizers, hook-free by policy: when a future event carries a new volatile field (an approval duration, say), the shared normalizer learns it in the same change, keeping one home for what "normalized" means rather than per-suite scrub extensions. -**`src/suite.ts`** — the `Scenario` type and `defineAcpSnapshotSuite(options)`, registering the per-scenario compares, record-mode fixture write-back, the header pin with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin, non-pinning fixtures are `scrubRequestHeaders` fixed points). The pinned-header contract ([pinned-header RFC](2026-07-06-pin-request-header-content-in-one-scenario.md)) is per-suite: each suite flags exactly one `pinsHeader` scenario (the factory throws on zero, a meta-test rejects more than one; WHICH scenario pins is the table's reviewable choice), and the uniformity guard compares only that suite's sessions. The pure helpers (`childFixturePaths`, `fixtureContext`, `normalizedHeaders`, `headerDeltaCount`) are exported for direct unit coverage. +**`src/suite.ts`** — the `Scenario` type and `defineAcpSnapshotSuite(options)`, registering the per-scenario compares, record/refresh fixture write-back, the header pin with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin per class, every JSONL a `scrubSystemPrompts` fixed point, non-pinning fixtures also `scrubRequestHeaders` fixed points). The pinned-header contract ([pinned-header RFC](2026-07-06-pin-request-header-content-in-one-scenario.md)) is per-suite: each header class flags exactly one `pinsHeader` scenario, whose `system-prompt.golden.md` and JSONL tool list split the composed header into reviewable artifacts; the uniformity guard compares both against every live header in that class. The pure helpers (`childFixturePaths`, `fixtureContext`, `normalizedHeaders`, `normalizedSystemPrompts`, `formatSystemPromptSnapshot`, `headerDeltaCount`) are exported from the module for direct unit coverage. ## Alternatives considered diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts index 7102d8ce88..7bfc2a8c62 100644 --- a/examples/acp-agent/tests/acp.snapshot.ts +++ b/examples/acp-agent/tests/acp.snapshot.ts @@ -45,9 +45,8 @@ function snapshotModeFromEnv(value: string | undefined): SnapshotSuiteOptions['m const SCENARIOS: Scenario[] = [ { name: 'handshake', hasModelTurn: false, recorded: false }, { name: 'reject-extra-dirs', hasModelTurn: false, recorded: false }, - // text-turn is the pinned-header scenario: the minimal single text turn, - // whose fixture is the ONE place the full system prompt + tool schemas are - // committed and compared verbatim. + // text-turn is the pinned-header scenario: the minimal single text turn. + // Its system-prompt.golden.md and JSONL tool list pin the composed header. { name: 'text-turn', hasModelTurn: true, recorded: true, pinsHeader: true }, { name: 'tool-call-turn', hasModelTurn: true, recorded: true }, { name: 'fs-terminal-card', hasModelTurn: true, recorded: true }, diff --git a/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl b/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl index df7187bbbb..65c2729e0a 100644 --- a/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783611774323,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783611774323,"data":{"content":[{"type":"text","text":"Call the run_code tool (NOT the native bash tool directly) with a program that runs exactly `echo BOTH_OK` via tools.bash and returns its output. Then reply with that output only and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783611774324,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783611774325,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-52lrTl.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.\n\n## Writing code for run_code\n\nPass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program:\n\n- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools[\"my-tool\"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable.\n- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue.\n- Calls execute sequentially, even under `Promise.all`.\n- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need.\n\nThe available tools:\n\n```ts\ndeclare const tools: {\n /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */\n bash(args: {\n /** The bash command to execute. */\n command: string;\n /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\". */\n description: string;\n /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */\n timeoutMs?: number;\n /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */\n workdir?: string;\n /** Run in the background and return a task id immediately. No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Ask the executor to kill a running background bash task by task id. */\n bash_kill(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */\n bash_output(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Edit an existing UTF-8 text file by replacing literal text. */\n edit(args: {\n /** Path to edit, resolved by the filesystem backend. */\n file_path: string;\n /** Literal text to replace. Must match exactly. */\n old_string: string;\n /** Literal replacement text. Use an empty string to delete the match. */\n new_string: string;\n /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */\n replace_all?: boolean;\n }): Promise;\n /** Read a UTF-8 text file and return line-numbered content. */\n read(args: {\n /** Path to read, resolved by the filesystem backend. */\n file_path: string;\n /** 1-based first line to return. Defaults to 1. */\n offset?: number;\n /** Maximum number of lines to return. Defaults to 2000. */\n limit?: number;\n }): Promise;\n /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */\n subagent(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */\n prompt: string;\n }): Promise;\n /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */\n subagent_fork(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */\n prompt: string;\n }): Promise;\n /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */\n todo_write(args: {\n /** The COMPLETE task list, replacing any previous list. */\n todos: ({\n /** What the task is — a short imperative line. */\n content: string;\n /** pending (not started) | in_progress (now) | completed (done). */\n status: \"pending\" | \"in_progress\" | \"completed\";\n })[];\n }): Promise;\n /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */\n workflow(args: {\n /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */\n script: string;\n /** The workflow identity block (plain JSON — never code). */\n meta: {\n /** Short kebab-case workflow name. */\n name: string;\n /** One-line description of what the workflow does. */\n description: string;\n /** Optional guidance on when this workflow applies. */\n whenToUse?: string;\n /** Optional phase declarations matched by phase() calls. */\n phases?: {\n /** The phase title phase() calls match by exact string. */\n title: string;\n /** Optional one-line description of the phase. */\n detail?: string;\n /** Optional model override this phase is expected to use. */\n model?: string;\n }[];\n };\n /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]}). */\n args?: Record;\n }): Promise;\n /** Create or fully replace a UTF-8 text file. */\n write(args: {\n /** Path to write, resolved by the filesystem backend. */\n file_path: string;\n /** Full UTF-8 text content to write. */\n content: string;\n }): Promise;\n}\n```","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783611774325,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783611774792,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783611774792,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783611774879,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md new file mode 100644 index 0000000000..688557b132 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md @@ -0,0 +1,133 @@ +You are an AI agent powered by the DeepSeek Harness SDK. + +You are a coding assistant powered by the deepseek-v4-flash model. Your working +directory is {{cwd}}. + +Verify your work by running the code or tests. Keep answers brief and +factual. + + +Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. + +Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes. + +Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session. + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls. + +## Writing code for run_code + +Pass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program: + +- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools["my-tool"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable. +- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue. +- Calls execute sequentially, even under `Promise.all`. +- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need. + +The available tools: + +```ts +declare const tools: { + /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */ + bash(args: { + /** The bash command to execute. */ + command: string; + /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: "ls" → "List files in current directory"; "git status" → "Show working tree status"; "npm install" → "Install package dependencies". */ + description: string; + /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */ + timeoutMs?: number; + /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */ + workdir?: string; + /** Run in the background and return a task id immediately. No timeout applies. */ + run_in_background?: boolean; + }): Promise; + /** Ask the executor to kill a running background bash task by task id. */ + bash_kill(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise; + /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */ + bash_output(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise; + /** Edit an existing UTF-8 text file by replacing literal text. */ + edit(args: { + /** Path to edit, resolved by the filesystem backend. */ + file_path: string; + /** Literal text to replace. Must match exactly. */ + old_string: string; + /** Literal replacement text. Use an empty string to delete the match. */ + new_string: string; + /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */ + replace_all?: boolean; + }): Promise; + /** Read a UTF-8 text file and return line-numbered content. */ + read(args: { + /** Path to read, resolved by the filesystem backend. */ + file_path: string; + /** 1-based first line to return. Defaults to 1. */ + offset?: number; + /** Maximum number of lines to return. Defaults to 2000. */ + limit?: number; + }): Promise; + /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */ + subagent(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */ + prompt: string; + }): Promise; + /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */ + subagent_fork(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */ + prompt: string; + }): Promise; + /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */ + todo_write(args: { + /** The COMPLETE task list, replacing any previous list. */ + todos: ({ + /** What the task is — a short imperative line. */ + content: string; + /** pending (not started) | in_progress (now) | completed (done). */ + status: "pending" | "in_progress" | "completed"; + })[]; + }): Promise; + /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */ + workflow(args: { + /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */ + script: string; + /** The workflow identity block (plain JSON — never code). */ + meta: { + /** Short kebab-case workflow name. */ + name: string; + /** One-line description of what the workflow does. */ + description: string; + /** Optional guidance on when this workflow applies. */ + whenToUse?: string; + /** Optional phase declarations matched by phase() calls. */ + phases?: { + /** The phase title phase() calls match by exact string. */ + title: string; + /** Optional one-line description of the phase. */ + detail?: string; + /** Optional model override this phase is expected to use. */ + model?: string; + }[]; + }; + /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {"files": [...]}). */ + args?: Record; + }): Promise; + /** Create or fully replace a UTF-8 text file. */ + write(args: { + /** Path to write, resolved by the filesystem backend. */ + file_path: string; + /** Full UTF-8 text content to write. */ + content: string; + }): Promise; +} +``` diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl b/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl index 72533bcdeb..9367e2deb0 100644 --- a/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783611771394,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783611771394,"data":{"content":[{"type":"text","text":"Using ONE run_code program: call the bash tool twice — exactly `echo CODE_ONE` then exactly `echo CODE_TWO` — and return the two outputs joined with a plus sign. Then reply with that joined string only and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783611771396,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783611771396,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-BteTVR.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.\n\n## Writing code for run_code\n\nPass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program:\n\n- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools[\"my-tool\"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable.\n- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue.\n- Calls execute sequentially, even under `Promise.all`.\n- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need.\n\nThe available tools:\n\n```ts\ndeclare const tools: {\n /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */\n bash(args: {\n /** The bash command to execute. */\n command: string;\n /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\". */\n description: string;\n /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */\n timeoutMs?: number;\n /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */\n workdir?: string;\n /** Run in the background and return a task id immediately. No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Ask the executor to kill a running background bash task by task id. */\n bash_kill(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */\n bash_output(args: {\n /** Task id returned by the bash tool. */\n task_id: string;\n }): Promise;\n /** Edit an existing UTF-8 text file by replacing literal text. */\n edit(args: {\n /** Path to edit, resolved by the filesystem backend. */\n file_path: string;\n /** Literal text to replace. Must match exactly. */\n old_string: string;\n /** Literal replacement text. Use an empty string to delete the match. */\n new_string: string;\n /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */\n replace_all?: boolean;\n }): Promise;\n /** Read a UTF-8 text file and return line-numbered content. */\n read(args: {\n /** Path to read, resolved by the filesystem backend. */\n file_path: string;\n /** 1-based first line to return. Defaults to 1. */\n offset?: number;\n /** Maximum number of lines to return. Defaults to 2000. */\n limit?: number;\n }): Promise;\n /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */\n subagent(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */\n prompt: string;\n }): Promise;\n /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */\n subagent_fork(args: {\n /** A short (3-5 word) description of the delegated task, for display. */\n description: string;\n /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */\n prompt: string;\n }): Promise;\n /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */\n todo_write(args: {\n /** The COMPLETE task list, replacing any previous list. */\n todos: ({\n /** What the task is — a short imperative line. */\n content: string;\n /** pending (not started) | in_progress (now) | completed (done). */\n status: \"pending\" | \"in_progress\" | \"completed\";\n })[];\n }): Promise;\n /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */\n workflow(args: {\n /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */\n script: string;\n /** The workflow identity block (plain JSON — never code). */\n meta: {\n /** Short kebab-case workflow name. */\n name: string;\n /** One-line description of what the workflow does. */\n description: string;\n /** Optional guidance on when this workflow applies. */\n whenToUse?: string;\n /** Optional phase declarations matched by phase() calls. */\n phases?: {\n /** The phase title phase() calls match by exact string. */\n title: string;\n /** Optional one-line description of the phase. */\n detail?: string;\n /** Optional model override this phase is expected to use. */\n model?: string;\n }[];\n };\n /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]}). */\n args?: Record;\n }): Promise;\n /** Create or fully replace a UTF-8 text file. */\n write(args: {\n /** Path to write, resolved by the filesystem backend. */\n file_path: string;\n /** Full UTF-8 text content to write. */\n content: string;\n }): Promise;\n}\n```","tools":[{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783611771396,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":[{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783611771869,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783611771869,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783611771978,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md new file mode 100644 index 0000000000..688557b132 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md @@ -0,0 +1,133 @@ +You are an AI agent powered by the DeepSeek Harness SDK. + +You are a coding assistant powered by the deepseek-v4-flash model. Your working +directory is {{cwd}}. + +Verify your work by running the code or tests. Keep answers brief and +factual. + + +Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. + +Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes. + +Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session. + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls. + +## Writing code for run_code + +Pass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program: + +- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools["my-tool"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable. +- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue. +- Calls execute sequentially, even under `Promise.all`. +- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need. + +The available tools: + +```ts +declare const tools: { + /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */ + bash(args: { + /** The bash command to execute. */ + command: string; + /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: "ls" → "List files in current directory"; "git status" → "Show working tree status"; "npm install" → "Install package dependencies". */ + description: string; + /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */ + timeoutMs?: number; + /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */ + workdir?: string; + /** Run in the background and return a task id immediately. No timeout applies. */ + run_in_background?: boolean; + }): Promise; + /** Ask the executor to kill a running background bash task by task id. */ + bash_kill(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise; + /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */ + bash_output(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise; + /** Edit an existing UTF-8 text file by replacing literal text. */ + edit(args: { + /** Path to edit, resolved by the filesystem backend. */ + file_path: string; + /** Literal text to replace. Must match exactly. */ + old_string: string; + /** Literal replacement text. Use an empty string to delete the match. */ + new_string: string; + /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */ + replace_all?: boolean; + }): Promise; + /** Read a UTF-8 text file and return line-numbered content. */ + read(args: { + /** Path to read, resolved by the filesystem backend. */ + file_path: string; + /** 1-based first line to return. Defaults to 1. */ + offset?: number; + /** Maximum number of lines to return. Defaults to 2000. */ + limit?: number; + }): Promise; + /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */ + subagent(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */ + prompt: string; + }): Promise; + /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */ + subagent_fork(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */ + prompt: string; + }): Promise; + /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */ + todo_write(args: { + /** The COMPLETE task list, replacing any previous list. */ + todos: ({ + /** What the task is — a short imperative line. */ + content: string; + /** pending (not started) | in_progress (now) | completed (done). */ + status: "pending" | "in_progress" | "completed"; + })[]; + }): Promise; + /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */ + workflow(args: { + /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `). */ + script: string; + /** The workflow identity block (plain JSON — never code). */ + meta: { + /** Short kebab-case workflow name. */ + name: string; + /** One-line description of what the workflow does. */ + description: string; + /** Optional guidance on when this workflow applies. */ + whenToUse?: string; + /** Optional phase declarations matched by phase() calls. */ + phases?: { + /** The phase title phase() calls match by exact string. */ + title: string; + /** Optional one-line description of the phase. */ + detail?: string; + /** Optional model override this phase is expected to use. */ + model?: string; + }[]; + }; + /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {"files": [...]}). */ + args?: Record; + }): Promise; + /** Create or fully replace a UTF-8 text file. */ + write(args: { + /** Path to write, resolved by the filesystem backend. */ + file_path: string; + /** Full UTF-8 text content to write. */ + content: string; + }): Promise; +} +``` diff --git a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl index 8475c97896..3fcba5fd1c 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/session.jsonl +++ b/examples/acp-agent/tests/snapshots/text-turn/session.jsonl @@ -2,7 +2,7 @@ {"type":"turn/start","seq":0,"time":1783600629541,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783600629541,"data":{"content":[{"type":"text","text":"Reply with exactly the word: PONG. Do not use any tools."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":1783600629542,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783600629542,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a coding assistant powered by the deepseek-v4-flash model. Your working\ndirectory is /var/folders/bn/vj1dvck95yd5jh3x4wskflxm0000gn/T/acp-snap-cwd-ka5r8w.\n\nVerify your work by running the code or tests. Keep answers brief and\nfactual.\n\n\nUse the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.\n\nUse the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.\n\nUse the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.\n\nCheck the [exit code: N] marker on every bash result; investigate failures before moving on.\n\nUse the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} +{"type":"request/header","seq":3,"time":1783600629542,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn.\n\nThe workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return ` — the value must be JSON-serializable and is this tool's result.\n\nScript-body hooks:\n- `agent(prompt, opts?): Promise` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly.\n- `pipeline(items, ...stages): Promise` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages.\n- `parallel(thunks): Promise` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.","parameters":{"type":"object","properties":{"script":{"type":"string","description":"The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return `)."},"meta":{"type":"object","description":"The workflow identity block (plain JSON — never code).","properties":{"name":{"type":"string","description":"Short kebab-case workflow name."},"description":{"type":"string","description":"One-line description of what the workflow does."},"whenToUse":{"type":"string","description":"Optional guidance on when this workflow applies."},"phases":{"type":"array","description":"Optional phase declarations matched by phase() calls.","items":{"type":"object","properties":{"title":{"type":"string","description":"The phase title phase() calls match by exact string."},"detail":{"type":"string","description":"Optional one-line description of the phase."},"model":{"type":"string","description":"Optional model override this phase is expected to use."}},"required":["title"]}}},"required":["name","description"]},"args":{"type":"object","description":"Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})."}},"required":["script","meta"]}},{"name":"write","description":"Create or fully replace a UTF-8 text file.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to write, resolved by the filesystem backend."},"content":{"type":"string","description":"Full UTF-8 text content to write."}},"required":["file_path","content"]}}]},"reason":"initial"}} {"type":"assistant/chunk","seq":4,"time":1783600630819,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} {"type":"assistant/chunk","seq":5,"time":1783600630820,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"The"}}} {"type":"assistant/chunk","seq":6,"time":1783600630822,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" user"}}} diff --git a/examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md new file mode 100644 index 0000000000..edaa7d5cc9 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md @@ -0,0 +1,18 @@ +You are an AI agent powered by the DeepSeek Harness SDK. + +You are a coding assistant powered by the deepseek-v4-flash model. Your working +directory is {{cwd}}. + +Verify your work by running the code or tests. Keep answers brief and +factual. + + +Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. + +Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes. + +Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session. + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls. diff --git a/packages/support/acp-snapshot/README.md b/packages/support/acp-snapshot/README.md index 8ff2fe1413..2c37da4177 100644 --- a/packages/support/acp-snapshot/README.md +++ b/packages/support/acp-snapshot/README.md @@ -5,8 +5,8 @@ The ACP snapshot suite kit: the shared machinery behind the keyless snapshot tie Three layers, importable separately: - **`runScenario` (harness)** — boots the real agent bin as a subprocess via tsx (unbuilt, Loader path), drives it over ACP JSON-RPC stdio from a deterministic `input.json` script, tees raw stdout for the golden + purity check, and harvests every persisted session JSONL (parent + subagent children, primary-first) after a graceful stdin-EOF shutdown. Parameterized by `AgentUnderTest` (`binScript`, `configPath`, `tsconfigPath` — absolute paths; the subprocess cwd is a temp dir outside the repo). -- **Normalizers** — pure functions turning the two captured surfaces into stable text: `normalizeStdout` (JSON-RPC ids → first-seen sequence; UUIDs/cwd → tokens; doubles as the stdout-purity check), `normalizeSessionLog` (times zeroed, `seq` kept), and the composable `scrubRequestHeaders` (header bulk → `{{system}}`/`{{tools}}`, structure kept — [pinned-header RFC](../../../docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)). -- **`defineAcpSnapshotSuite` (factory)** — registers the whole describe/it tree for a scenario table: per-scenario golden + re-persisted-log compares, record/refresh fixture write-back, the per-header-class pin with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin per class, pinning fixtures well-formed, non-pinning fixtures header-scrubbed). Must be called at vitest collection time. +- **Normalizers** — pure functions turning the two captured surfaces into stable text: `normalizeStdout` (JSON-RPC ids → first-seen sequence; UUIDs/cwd → tokens; doubles as the stdout-purity check), `normalizeSessionLog` (times zeroed, `seq` kept), `scrubSystemPrompts` (prompt text → `{{system}}` in every JSONL), and `scrubRequestHeaders` (the remaining header bulk → `{{tools}}`/`{{messagePrefix}}` outside each pin, structure kept — [pinned-header RFC](../../../docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)). +- **`defineAcpSnapshotSuite` (factory)** — registers the whole describe/it tree for a scenario table: per-scenario golden + re-persisted-log compares, record/refresh fixture write-back, the per-header-class pin (`system-prompt.golden.md` plus the JSONL's full tool schemas) with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin per class, every JSONL prompt-scrubbed, non-pinning fixtures fully header-scrubbed). Must be called at vitest collection time. A consuming `*.snapshot.ts` is the scenario table plus one factory call: @@ -35,8 +35,8 @@ defineAcpSnapshotSuite({ }) ``` -A scenario booting a differently-composed tree sets its own `configPath` (an overlay whose basename still ends in `cordis.yml`, so the bin's replay swap finds the sibling `*cordis.snapshot.yml`) and, when that composition changes the request header, its own `headerClass` with its own pinning scenario — the acp-agent example's Code Mode scenarios are the template. +A scenario booting a differently-composed tree sets its own `configPath` (an overlay whose basename still ends in `cordis.yml`, so the bin's replay swap finds the sibling `*cordis.snapshot.yml`) and, when that composition changes the request header, its own `headerClass` with its own pinning scenario — the acp-agent example's Code Mode scenarios are the template. Each pinning directory's generated `system-prompt.golden.md` is the reviewable snapshot of the normalized composed prompt; `session.jsonl` stores `"system":"{{system}}"` while retaining the complete tool list. -The example also ships a `cordis.snapshot.yml` replay overlay next to its `cordis.yml` (the bin swaps them under `DSH_SNAPSHOT=replay` — [single-source replay config RFC](../../../docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md)); replay fixtures are served by [`dsh-llm-replay`](../llm-replay/README.md), which this package points at via the `DSH_SNAPSHOT_*` env vars it sets on the child. `pnpm run test:snapshot:record` calls the live LLM and rewrites the recorded scenarios' model fixtures; `pnpm run test:snapshot:refresh` stays keyless, runs the replay overlay, and rewrites stdout plus comparable session-log goldens from the committed model scripts. Fixture roles, record/replay/refresh semantics, and scenario-table fields are documented on `Scenario` and in the [snapshot RFC](../../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md). +The example also ships a `cordis.snapshot.yml` replay overlay next to its `cordis.yml` (the bin swaps them under `DSH_SNAPSHOT=replay` — [single-source replay config RFC](../../../docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md)); replay fixtures are served by [`dsh-llm-replay`](../llm-replay/README.md), which this package points at via the `DSH_SNAPSHOT_*` env vars it sets on the child. `pnpm run test:snapshot:record` calls the live LLM and rewrites the recorded scenarios' model fixtures; `pnpm run test:snapshot:refresh` stays keyless, runs the replay overlay, and rewrites stdout, comparable session-log goldens, and each pin's Markdown prompt snapshot from the committed model scripts. Fixture roles, record/replay/refresh semantics, and scenario-table fields are documented on `Scenario` and in the [snapshot RFC](../../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md). Constraints: `suite.ts` imports vitest, so the package is importable only inside a vitest run (the harness and normalizers have no such dependency but ship from the same entry). ACP-specific by design — the harness speaks the SDK's `ClientSideConnection`. Permission round-trips are scriptable: `InputScript.permissionAnswers` is a FIFO queue of option-kind selections (`allow_once`, `reject_once`, …) the client maps to the agent-issued `optionId` at answer time; an absent or exhausted queue answers `cancelled`, and a kind the request never offered rejects the run (the agent is answered `cancelled`, so a tolerant agent cannot absorb the scenario bug). diff --git a/packages/support/acp-snapshot/src/index.ts b/packages/support/acp-snapshot/src/index.ts index bbe74030f2..74bee95385 100644 --- a/packages/support/acp-snapshot/src/index.ts +++ b/packages/support/acp-snapshot/src/index.ts @@ -3,7 +3,7 @@ * tier (`pnpm run test:snapshot`). Three layers, composable per example: * the subprocess scenario harness ({@link runScenario}), the pure golden * normalizers ({@link normalizeStdout} / {@link normalizeSessionLog} / - * {@link scrubRequestHeaders}), and the suite factory + * {@link scrubRequestHeaders} / {@link scrubSystemPrompts}), and the suite factory * ({@link defineAcpSnapshotSuite}) that registers a scenario table as a full * describe/it tree. An example's `*.snapshot.ts` supplies only its * {@link AgentUnderTest} paths, its snapshots directory, and its @@ -29,6 +29,7 @@ export { normalizeSessionLog, normalizeStdout, scrubRequestHeaders, + scrubSystemPrompts, type NormalizeContext, } from './normalize.ts' export { diff --git a/packages/support/acp-snapshot/src/normalize.ts b/packages/support/acp-snapshot/src/normalize.ts index 017dd504b3..a68fcf83d3 100644 --- a/packages/support/acp-snapshot/src/normalize.ts +++ b/packages/support/acp-snapshot/src/normalize.ts @@ -12,14 +12,14 @@ * `durationMs` (wall-clock hook runtime) → 0. NOT scrubbed: the log's `seq` * (deterministic — `seq = log.length`, part of the event-log contract). * - * A separate, composable normalizer — {@link scrubRequestHeaders} — replaces - * the bulky request-header CONTENT (the composed system prompt, the tool - * schema list, and the session prefix) with - * `{{system}}`/`{{tools}}`/`{{messagePrefix}}` tokens. It is deliberately NOT - * folded into {@link normalizeSessionLog}: each suite's one header-pinning - * scenario compares that content verbatim, every other scenario composes the - * scrub in (the `pinsHeader` flag on the scenario table, consumed by the suite - * factory in ./suite.ts; see the pinned-header RFC, + * Separate, composable normalizers keep bulky request-header content out of + * session fixtures. {@link scrubSystemPrompts} replaces the composed system + * prompt in EVERY fixture; {@link scrubRequestHeaders} additionally replaces + * tool schemas and the session prefix outside each suite's header-pinning + * scenario. They are deliberately NOT folded into + * {@link normalizeSessionLog}: the suite factory composes the right scrub for + * each scenario and snapshots the pin's actual prompt as Markdown (see the + * pinned-header RFC, * docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md). * * See docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md. @@ -135,37 +135,37 @@ export function normalizeSessionLog(rawLog: string, ctx: NormalizeContext): stri } /** - * Replace request-header CONTENT in a session JSONL with stable tokens, - * keeping its structure: a `request/header` event's `data.header.system` → - * `{{system}}`, `data.header.tools` → `{{tools}}`, and - * `data.header.messagePrefix` → one `{{messagePrefix}}` token per message - * (the session prefix is model-visible bulk — an AGENTS digest, a skills - * catalog — so its COUNT stays a structural fact while its text never lands - * in a fixture); a - * `request/header-delta` event keeps every structural fact — the system - * delta's `keepStart`/`keepEnd` line positions and inserted-line COUNT (one - * `{{system}}` token per inserted line), the tools delta's - * added/removed/changed tool NAMES, the prefix replacement's message COUNT — - * and tokenizes only the bulk (prompt - * text; each added/changed schema's fields other than `name` → `{{tools}}`; - * each replacement prefix message → `{{messagePrefix}}`), - * so two different deltas still compare different. - * Absent fields stay absent — WHETHER a header carried a system prompt, - * tools, or a prefix is behavior and stays visible; `config` and `reason` - * are small and - * stable, so they stay verbatim (a model swap churns every fixture by design - * — it invalidates the recorded responses; a prompt/schema edit churns none — - * replay never reads this content, see dsh-llm-replay). - * - * Only lines with something to scrub are re-serialized; every other line - * passes through byte-for-byte, so the transform is idempotent and applying - * it to an already-scrubbed fixture is a no-op — the on-disk-fixtures guard - * in ./suite.ts relies on exactly that. + * Replace system-prompt content in request headers and header deltas with + * `{{system}}` tokens while retaining field presence and delta structure. + * Other header content stays verbatim, so a header-pinning fixture can keep + * its complete tool schemas while every JSONL fixture omits the prompt text. + * Lines without a system payload pass through byte-for-byte; the transform is + * idempotent. * * @param rawLog The raw session `.jsonl` content. - * @returns The JSONL with header content tokenized, other lines byte-identical. + * @returns The JSONL with system-prompt content tokenized. + */ +export function scrubSystemPrompts(rawLog: string): string { + return scrubHeaderContent(rawLog, false) +} + +/** + * Replace all bulky request-header content in a session JSONL with stable + * tokens. This includes the system-prompt fields handled by + * {@link scrubSystemPrompts}, tool schemas, and session-prefix messages. It + * keeps system-delta line positions and arity, tool-delta names, prefix + * message counts, field presence, config, and reason. Lines without content + * to scrub pass through byte-for-byte, and the transform is idempotent. + * + * @param rawLog The raw session `.jsonl` content. + * @returns The JSONL with all header bulk tokenized, other lines byte-identical. */ export function scrubRequestHeaders(rawLog: string): string { + return scrubHeaderContent(rawLog, true) +} + +/** Transform header content, optionally including tool schemas and the session prefix. */ +function scrubHeaderContent(rawLog: string, scrubToolsAndPrefix: boolean): string { const lines = rawLog.split('\n') const out = lines.map((line) => { if (line.trim().length === 0) return line @@ -175,11 +175,14 @@ export function scrubRequestHeaders(rawLog: string): string { if (record.type === 'request/header') { const header = data.header as Record | null | undefined if (header === null || typeof header !== 'object') return line - if (!('system' in header) && !('tools' in header) && !('messagePrefix' in header)) return line - if ('system' in header) header.system = SYSTEM - if ('tools' in header) header.tools = TOOLS - if (Array.isArray(header.messagePrefix)) header.messagePrefix = header.messagePrefix.map(() => MESSAGE_PREFIX) - return JSON.stringify(record) + let touched = false + if ('system' in header) { header.system = SYSTEM; touched = true } + if (scrubToolsAndPrefix && 'tools' in header) { header.tools = TOOLS; touched = true } + if (scrubToolsAndPrefix && Array.isArray(header.messagePrefix)) { + header.messagePrefix = header.messagePrefix.map(() => MESSAGE_PREFIX) + touched = true + } + return touched ? JSON.stringify(record) : line } if (record.type === 'request/header-delta') { let touched = false @@ -189,11 +192,11 @@ export function scrubRequestHeaders(rawLog: string): string { touched = true } const tools = data.tools as Record | null | undefined - if (tools !== null && typeof tools === 'object') { + if (scrubToolsAndPrefix && tools !== null && typeof tools === 'object') { if (Array.isArray(tools.added)) { tools.added = tools.added.map(scrubToolSchema); touched = true } if (Array.isArray(tools.changed)) { tools.changed = tools.changed.map(scrubToolSchema); touched = true } } - if (Array.isArray(data.messagePrefix)) { + if (scrubToolsAndPrefix && Array.isArray(data.messagePrefix)) { data.messagePrefix = data.messagePrefix.map(() => MESSAGE_PREFIX) touched = true } diff --git a/packages/support/acp-snapshot/src/suite.ts b/packages/support/acp-snapshot/src/suite.ts index 27de939d3d..27e6934058 100644 --- a/packages/support/acp-snapshot/src/suite.ts +++ b/packages/support/acp-snapshot/src/suite.ts @@ -10,15 +10,14 @@ * (recorded scenarios) and the expected produced log (both sides normalized * before comparing). * - * Request-header content (the composed system prompt + tool schemas riding on - * `request/header` events) is pinned by exactly ONE scenario per HEADER CLASS - * — scenarios that boot the same config compose the same header; each class's - * `pinsHeader` scenario commits it verbatim — and scrubbed to - * `{{system}}`/`{{tools}}` tokens in every other fixture and compare, so a - * prompt or tool-schema edit churns one committed line per class instead of - * every fixture. A per-run uniformity guard keeps each pin sound: every live - * header must equal its class's pinned one, and no header-delta may appear - * outside a pinning scenario (see the pinned-header RFC, + * Request-header content is pinned by exactly ONE scenario per HEADER CLASS — + * scenarios that boot the same config compose the same header. Every JSONL + * fixture scrubs the system prompt to `{{system}}`; each class's pinning + * scenario stores the readable prompt in `system-prompt.golden.md` and keeps its full + * tool schemas in `session.jsonl`, while every other fixture also scrubs tools + * to `{{tools}}`. A per-run uniformity guard compares both artifacts against + * every live header and forbids unrepresented header deltas (see the + * pinned-header RFC, * docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md). * * `pnpm run test:snapshot:record` (DSH_SNAPSHOT=record + -u) re-records the @@ -37,7 +36,16 @@ import { existsSync } from 'node:fs' import { join } from 'node:path' import { describe, expect, it } from 'vitest' import { type AgentUnderTest, type HarvestedLog, type InputScript, runScenario } from './harness.ts' -import { type NormalizeContext, normalizeSessionLog, normalizeStdout, scrubRequestHeaders } from './normalize.ts' +import { + type NormalizeContext, + normalizeSessionLog, + normalizeStdout, + scrubRequestHeaders, + scrubSystemPrompts, +} from './normalize.ts' + +/** The readable system-prompt snapshot beside each header-pinning fixture. */ +const SYSTEM_PROMPT_SNAPSHOT = 'system-prompt.golden.md' /** A snapshot scenario and how its fixtures are produced. */ export interface Scenario { @@ -81,14 +89,13 @@ export interface Scenario { */ childSessions?: number /** - * Whether THIS scenario's fixtures keep the full request-header content (the - * composed system prompt and tool schema list on `request/header` / - * `request/header-delta` events) and compare it verbatim. Exactly one - * scenario per HEADER CLASS ({@link headerClass}) pins it; every other - * scenario of that class stores and compares that content as - * `{{system}}`/`{{tools}}` tokens ({@link scrubRequestHeaders}), - * so a system prompt or tool-schema change shows up as ONE committed-fixture - * diff per class, not one per scenario. One pin per class suffices because + * Whether THIS scenario pins its header class's model-facing request-header + * content. Its actual composed prompt is maintained as a readable + * `system-prompt.golden.md`; its JSONL keeps full tool schemas but stores the prompt + * as `{{system}}`. Every other scenario of the class stores tools as + * `{{tools}}` too ({@link scrubRequestHeaders}). A prompt or tool-schema + * change therefore shows up in one focused artifact per class, not every + * session fixture. One pin per class suffices because * header composition is class-uniform (parent, spawn child, and fork child * all compose the same prompt-modulo-cwd and the same tools) — and that * premise is ASSERTED, not assumed: every non-pinning run's live headers @@ -124,7 +131,7 @@ export interface SnapshotSuiteOptions { agent: AgentUnderTest /** Absolute path of the suite's `snapshots/` directory (one subdir per scenario). */ snapshotsDir: string - /** The scenario table; exactly one entry must set `pinsHeader`. */ + /** The scenario table; exactly one entry per header class must set `pinsHeader`. */ scenarios: Scenario[] /** * `replay` (keyless, the default tier), `record` (live API; re-records the @@ -192,6 +199,35 @@ export function normalizedHeaders(rawLog: string, ctx: NormalizeContext): unknow .map(record => record.data?.header) } +/** + * The normalized string-valued system prompts carried by request headers in a + * session JSONL, in log order. Headers without a string prompt are omitted so + * callers can assert one prompt per header explicitly. + * + * @param rawLog The session `.jsonl` content to inspect. + * @param ctx The volatile values of the run that produced it. + * @returns The normalized system prompts, in header order. + */ +export function normalizedSystemPrompts(rawLog: string, ctx: NormalizeContext): string[] { + return normalizedHeaders(rawLog, ctx).flatMap((header) => { + if (header === null || typeof header !== 'object') return [] + const system = (header as { system?: unknown }).system + return typeof system === 'string' ? [system] : [] + }) +} + +/** + * Render a normalized prompt as a repository-friendly Markdown snapshot. + * Prompt text is unchanged except that a missing terminal newline is added so + * the committed file follows the repository newline contract. + * + * @param prompt The normalized system prompt. + * @returns Markdown snapshot text ending in a newline. + */ +export function formatSystemPromptSnapshot(prompt: string): string { + return prompt.endsWith('\n') ? prompt : `${prompt}\n` +} + /** * Count the `request/header-delta` events in a session JSONL. * @@ -289,7 +325,8 @@ export function stabilizeRefreshLog(fresh: string, existing: string, replacement * Register the suite: one `describe` per scenario (the golden/log compares and * the header-uniformity guard) plus the fixture guard block (no orphan * scenario dirs, required files present, exactly one pin per header class, - * pinning fixtures well-formed, non-pinning fixtures header-scrubbed). Must + * pinning fixtures well-formed, every JSONL prompt-scrubbed, non-pinning + * fixtures fully header-scrubbed). Must * run at vitest collection time — it calls `describe`/`it`. Throws * immediately if any header class lacks a pinning scenario or carries two * (the uniformity guard needs exactly one comparison anchor per class). @@ -364,11 +401,12 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { // keyless replay run for every comparable log, including authored // scenarios that live record deliberately skips. The primary goes to // session.jsonl, each child to session..jsonl in harvest order. A - // non-pinning scenario's fixtures are written header-scrubbed, so a - // re-record/refresh can never smuggle the full prompt/schema content - // back into every fixture. + // Every fixture is written with its system prompt scrubbed. A pinning + // scenario keeps the remaining header content (notably tool schemas); + // every other scenario scrubs that bulk too. Record/refresh therefore + // cannot smuggle prompt text back into JSONL or duplicate schemas. const scrub = scenario.pinsHeader === true - ? (log: string): string => log + ? scrubSystemPrompts : scrubRequestHeaders const fixtureFiles = ['session.jsonl', ...Array.from({ length: childSessions }, (_, i) => `session.${i + 1}.jsonl`)] const existingFixtures = REFRESHING @@ -391,6 +429,16 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { REFRESHING ? stabilizeRefreshLog(child, existingFixtures[i] as string, replacements) : child, )) } + if (scenario.pinsHeader === true) { + const prompts = result.sessionLogs.flatMap(log => normalizedSystemPrompts(log.content, ctx)) + expect(prompts.length, `${mode} produced no system prompt to snapshot`).toBeGreaterThan(0) + const snapshot = formatSystemPromptSnapshot(prompts[0] as string) + for (const prompt of prompts) { + expect(formatSystemPromptSnapshot(prompt), 'the pinning run produced divergent system prompts') + .toEqual(snapshot) + } + await writeFile(join(dir, SYSTEM_PROMPT_SNAPSHOT), snapshot) + } } const stdout = normalizeStdout(result.rawStdout, ctx) @@ -406,12 +454,10 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { // 1:1. Each side passes through normalizeSessionLog, scrubbed against ITS // OWN volatile values — the live run's via `ctx`, the committed fixture's // via its own header (a committed file cannot share the live run's ids). - // Unless this scenario pins the header, both sides ALSO pass through - // scrubRequestHeaders: the live log carries the real prompt/schemas, the - // fixture carries the `{{system}}`/`{{tools}}` tokens, and the scrub is - // idempotent — so the compare checks the header's presence, position, - // reason, and config, but not its bulk content (pinned once, in the - // `pinsHeader` scenario). + // Both sides pass through the scenario's idempotent scrub: every live + // prompt becomes the fixture's `{{system}}`; non-pinning scenarios + // additionally tokenize tools/prefix. The dedicated header guard below + // compares those omitted values against their class's pin artifacts. expect(result.sessionLogs.length, 'this scenario must persist a session log').toBe(childSessions + 1) for (let i = 0; i < fixtureFiles.length; i++) { const harvested = scrub((result.sessionLogs[i] as HarvestedLog).content) @@ -421,34 +467,30 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { } } - // Header-uniformity guard: a class's single pin is sound only while - // every session in that class composes the SAME header and keeps it - // for the whole run. Assert both halves live. (1) Every - // request/header the run produced (parent, spawn child, fork child, - // initial or resume) must equal the CLASS's pinned fixture's header - // after each side is normalized against its own volatile values. - // (2) No request/header-delta may appear at all — a mid-run header - // change diverges from the pin by construction, and its content - // would be invisible under the scrub. If either fails, either the - // header changed (update the pin: re-record or hand-edit the pinning - // scenario's fixture) or composition became session-dependent by - // design (give the divergent shape its own pinning scenario and - // class). - if (scenario.pinsHeader !== true) { - /* v8 ignore next -- construction guarantees the pin exists; a miss would fail the one-header assertion loudly. */ - const pinningScenario = pinningByClass.get(classOf(scenario)) ?? scenario - const pinnedFixture = await readFile(join(snapshotsDir, pinningScenario.name, 'session.jsonl'), 'utf8') - const pinned = normalizedHeaders(pinnedFixture, fixtureContext(pinnedFixture)) - expect(pinned.length, `the pinning fixture (${pinningScenario.name}) must carry exactly one request/header`) - .toBe(1) - for (const log of result.sessionLogs) { - expect(headerDeltaCount(log.content), `session ${log.id}: a request/header-delta in a non-pinning scenario`) - .toBe(0) - const headers = normalizedHeaders(log.content, ctx) - for (const [k, header] of headers.entries()) { - expect(header, `session ${log.id}: request/header #${k + 1} diverged from the pinned (${pinningScenario.name}) header`) - .toEqual(pinned[0]) - } + // Header-uniformity guard: every live header in a class must equal the + // class pin split across its JSONL header (system token + real tools) + // and readable Markdown prompt. No header delta is representable by + // those two static artifacts, so any delta fails loud. + /* v8 ignore next -- construction guarantees the pin exists; a miss would fail the one-header assertion loudly. */ + const pinningScenario = pinningByClass.get(classOf(scenario)) ?? scenario + const pinningDir = join(snapshotsDir, pinningScenario.name) + const pinnedFixture = await readFile(join(pinningDir, 'session.jsonl'), 'utf8') + const pinned = normalizedHeaders(pinnedFixture, fixtureContext(pinnedFixture)) + const promptSnapshot = await readFile(join(pinningDir, SYSTEM_PROMPT_SNAPSHOT), 'utf8') + expect(pinned.length, `the pinning fixture (${pinningScenario.name}) must carry exactly one request/header`) + .toBe(1) + for (const log of result.sessionLogs) { + expect(headerDeltaCount(log.content), `session ${log.id}: a request/header-delta is not represented by the class pin`) + .toBe(0) + const headers = normalizedHeaders(scrubSystemPrompts(log.content), ctx) + const prompts = normalizedSystemPrompts(log.content, ctx) + expect(prompts.length, `session ${log.id}: every request/header must carry a string system prompt`) + .toBe(headers.length) + for (const [k, header] of headers.entries()) { + expect(header, `session ${log.id}: request/header #${k + 1} diverged from the pinned (${pinningScenario.name}) header`) + .toEqual(pinned[0]) + expect(formatSystemPromptSnapshot(prompts[k] as string), `session ${log.id}: system prompt #${k + 1} diverged from ${pinningScenario.name}/${SYSTEM_PROMPT_SNAPSHOT}`) + .toEqual(promptSnapshot) } } }) @@ -479,13 +521,15 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { // `overridden` flag: required when set, forbidden when not — the harness // forwards the file purely on existence, so an unregistered stray sidecar // would silently replace the derived script. - for (const { name, overridden, childSessions } of scenarios) { + for (const { name, overridden, childSessions, pinsHeader } of scenarios) { const dir = join(snapshotsDir, name) expect(existsSync(join(dir, 'input.json')), `${name}/input.json`).toBe(true) expect(existsSync(join(dir, 'stdout.golden.jsonl')), `${name}/stdout.golden.jsonl`).toBe(true) expect(existsSync(join(dir, 'session.jsonl')), `${name}/session.jsonl`).toBe(true) expect(existsSync(join(dir, 'replay.override.json')), `${name}/replay.override.json presence must match \`overridden\``) .toBe(overridden === true) + expect(existsSync(join(dir, SYSTEM_PROMPT_SNAPSHOT)), `${name}/${SYSTEM_PROMPT_SNAPSHOT} presence must match \`pinsHeader\``) + .toBe(pinsHeader === true) // A nested-agent scenario ships one child fixture per recorded subagent // session (`session.1.jsonl` …), the replay source for that child session. for (const childFixture of childFixturePaths(dir, childSessions ?? 0)) { @@ -511,7 +555,7 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { } }) - it('every pinning fixture carries exactly one request/header and no deltas', async () => { + it('every pinning fixture carries exactly one request/header, one readable prompt, and no deltas', async () => { // The live uniformity guard runs only in NON-pinning scenarios, so a // class made of just its pinning scenario would otherwise accept a // re-recorded pin with several headers or a mid-run header-delta — @@ -520,19 +564,18 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { for (const scenario of pinningByClass.values()) { const fixture = await readFile(join(snapshotsDir, scenario.name, 'session.jsonl'), 'utf8') const headers = normalizedHeaders(fixture, fixtureContext(fixture)) + const promptSnapshot = await readFile(join(snapshotsDir, scenario.name, SYSTEM_PROMPT_SNAPSHOT), 'utf8') expect(headers.length, `${scenario.name}: a pinning fixture must carry exactly one request/header`).toBe(1) + expect(promptSnapshot.length, `${scenario.name}/${SYSTEM_PROMPT_SNAPSHOT} must not be empty`).toBeGreaterThan(0) + expect(promptSnapshot.endsWith('\n'), `${scenario.name}/${SYSTEM_PROMPT_SNAPSHOT} must end in a newline`).toBe(true) expect(headerDeltaCount(fixture), `${scenario.name}: a pinning fixture must carry no request/header-delta`).toBe(0) } }) - it('committed fixtures carry request-header content ONLY in the pinning scenario', async () => { - // The whole point of the pin: a system-prompt or tool-schema change must - // churn exactly one committed line. A non-pinning fixture that carries the - // full header (a hand-recorded file, or a header line hand-edited out of - // its canonical JSON form) silently reopens the suite-wide churn, so fail - // loud here: every non-pinning session*.jsonl must be a fixed point of - // scrubRequestHeaders (apply the scrub to fix a violation), and the - // pinning scenario's fixtures must NOT be (their content IS the pin). + it('every committed JSONL omits system prompts and only pinning fixtures keep other header bulk', async () => { + // System prompts always live in the readable Markdown artifact. Header + // pins keep tool schemas/prefixes in JSONL; every other fixture tokenizes + // all header bulk. Fixed-point checks make both storage rules fail loud. for (const scenario of scenarios) { const dir = join(snapshotsDir, scenario.name) const files = [ @@ -541,8 +584,10 @@ export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { ] for (const file of files) { const fixture = await readFile(join(dir, file), 'utf8') + expect(scrubSystemPrompts(fixture), `${scenario.name}/${file} carries an unscrubbed system prompt`) + .toEqual(fixture) if (scenario.pinsHeader === true) { - expect(scrubRequestHeaders(fixture), `${scenario.name}/${file} must PIN the full header content`) + expect(scrubRequestHeaders(fixture), `${scenario.name}/${file} must pin the non-system header content`) .not.toEqual(fixture) } else { expect(scrubRequestHeaders(fixture), `${scenario.name}/${file} carries unscrubbed header content`) diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/session.jsonl index 109a192083..d496dbdb1d 100644 --- a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/session.jsonl +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/session.jsonl @@ -1,2 +1,2 @@ {"type":"session","id":"ccdc749f-56f3-4267-9750-598b5c60b7b2","createdAt":600,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-nOQ4Gy"} -{"type":"request/header","seq":0,"time":4,"data":{"header":{"config":{"model":"fake"},"system":"SYS PROMPT","tools":[{"name":"t1","description":"D1","parameters":{"type":"object"}}]},"reason":"initial"}} +{"type":"request/header","seq":0,"time":4,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":[{"name":"t1","description":"D1","parameters":{"type":"object"}}]},"reason":"initial"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/system-prompt.golden.md b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/system-prompt.golden.md new file mode 100644 index 0000000000..63940ec7c6 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/system-prompt.golden.md @@ -0,0 +1 @@ +SYS PROMPT diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/session.jsonl index 87bf09c839..8f69a32a6f 100644 --- a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/session.jsonl +++ b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/session.jsonl @@ -1,3 +1,3 @@ {"type":"session","id":"12121212-3434-4545-8686-787878787878","createdAt":7,"cwd":"/rec/pin-cwd"} -{"type":"request/header","seq":0,"time":7,"data":{"header":{"config":{"model":"fake"},"system":"SYS PROMPT","tools":[{"name":"t1","description":"D1","parameters":{"type":"object"}}]},"reason":"initial"}} +{"type":"request/header","seq":0,"time":7,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":[{"name":"t1","description":"D1","parameters":{"type":"object"}}]},"reason":"initial"}} {"type":"turn/start","seq":1,"time":7,"data":{"turn":1}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/system-prompt.golden.md b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/system-prompt.golden.md new file mode 100644 index 0000000000..63940ec7c6 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/system-prompt.golden.md @@ -0,0 +1 @@ +SYS PROMPT diff --git a/packages/support/acp-snapshot/tests/normalize.spec.ts b/packages/support/acp-snapshot/tests/normalize.spec.ts index daa9f8342d..bdde120a76 100644 --- a/packages/support/acp-snapshot/tests/normalize.spec.ts +++ b/packages/support/acp-snapshot/tests/normalize.spec.ts @@ -1,5 +1,11 @@ import { describe, expect, it } from 'vitest' -import { type NormalizeContext, normalizeSessionLog, normalizeStdout, scrubRequestHeaders } from '../src/normalize.ts' +import { + type NormalizeContext, + normalizeSessionLog, + normalizeStdout, + scrubRequestHeaders, + scrubSystemPrompts, +} from '../src/normalize.ts' /** * Unit tests for the pure snapshot normalizers. Live as a *.spec.ts (runs in @@ -260,3 +266,43 @@ describe('scrubRequestHeaders', () => { expect(scrubRequestHeaders(once)).toBe(once) }) }) + +describe('scrubSystemPrompts', () => { + it('scrubs only system prompt payloads while keeping tools and prefixes verbatim', () => { + const header = JSON.stringify({ + type: 'request/header', seq: 1, time: 2, + data: { + header: { + system: 'full prompt', + tools: [{ name: 'read', description: 'full schema' }], + messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'full prefix' }] }], + }, + reason: 'initial', + }, + }) + const delta = JSON.stringify({ + type: 'request/header-delta', seq: 2, time: 3, + data: { + system: { keepStart: 1, keepEnd: 2, insert: ['new prompt line'] }, + tools: { changed: [{ name: 'read', description: 'changed schema' }] }, + messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'changed prefix' }] }], + }, + }) + const toolsOnly = JSON.stringify({ + type: 'request/header', seq: 3, time: 4, + data: { header: { tools: [{ name: 'read', description: 'schema only' }] }, reason: 'resume' }, + }) + + const out = scrubSystemPrompts(`${header}\n${delta}\n${toolsOnly}\n`) + expect(out).toContain('"system":"{{system}}"') + expect(out).toContain('"insert":["{{system}}"]') + expect(out).not.toContain('full prompt') + expect(out).not.toContain('new prompt line') + expect(out).toContain('full schema') + expect(out).toContain('full prefix') + expect(out).toContain('changed schema') + expect(out).toContain('changed prefix') + expect(out.split('\n')[2]).toBe(toolsOnly) + expect(scrubSystemPrompts(out)).toBe(out) + }) +}) diff --git a/packages/support/acp-snapshot/tests/suite.spec.ts b/packages/support/acp-snapshot/tests/suite.spec.ts index ae01190c01..0eb08d05f5 100644 --- a/packages/support/acp-snapshot/tests/suite.spec.ts +++ b/packages/support/acp-snapshot/tests/suite.spec.ts @@ -8,8 +8,10 @@ import { defineAcpSnapshotSuite, type HarvestedLog, type Scenario } from '../src import { childFixturePaths, fixtureContext, + formatSystemPromptSnapshot, headerDeltaCount, normalizedHeaders, + normalizedSystemPrompts, refreshFixtureReplacements, stabilizeRefreshLog, } from '../src/suite.ts' @@ -78,6 +80,7 @@ afterAll(async () => { function staleRefreshFixtures(dir: string): void { writeFileSync(join(dir, 'plain-turn', 'stdout.golden.jsonl'), 'stale stdout\n') + writeFileSync(join(dir, 'pin-turn', 'system-prompt.golden.md'), 'STALE PROMPT\n') const plainBehaviorFile = join(dir, 'plain-turn', 'behavior.json') const plainBehavior = JSON.parse(readFileSync(plainBehaviorFile, 'utf8')) as Record @@ -124,6 +127,8 @@ describe('defineAcpSnapshotSuite: refresh write-back', () => { const authored = readFileSync(join(refreshDir, 'authored-error', 'session.jsonl'), 'utf8') expect(authored).toContain('"error":"model exploded"') expect(authored).not.toContain('"error":"stale"') + + expect(readFileSync(join(refreshDir, 'pin-turn', 'system-prompt.golden.md'), 'utf8')).toBe('SYS PROMPT\n') }) }) @@ -219,6 +224,28 @@ describe('normalizedHeaders', () => { }) }) +describe('normalizedSystemPrompts', () => { + it('extracts normalized string prompts and omits absent or non-string fields', () => { + const log = [ + '{"type":"session","id":"a","createdAt":5,"cwd":"/w"}', + '{"type":"request/header","seq":0,"time":9,"data":{"header":{"system":"work in /w"}}}', + '{"type":"request/header","seq":1,"time":9,"data":{"header":{}}}', + '{"type":"request/header","seq":2,"time":9,"data":{"header":{"system":null}}}', + '{"type":"request/header","seq":3,"time":9,"data":{"header":null}}', + '{"type":"request/header","seq":4,"time":9,"data":{"header":"invalid"}}', + '', + ].join('\n') + expect(normalizedSystemPrompts(log, { sessionIds: [], cwd: '/w' })).toEqual(['work in {{cwd}}']) + }) +}) + +describe('formatSystemPromptSnapshot', () => { + it('adds a missing terminal newline without changing an existing one', () => { + expect(formatSystemPromptSnapshot('prompt')).toBe('prompt\n') + expect(formatSystemPromptSnapshot('prompt\n')).toBe('prompt\n') + }) +}) + describe('headerDeltaCount', () => { it('counts request/header-delta events, ignoring blanks and other lines', () => { const delta = JSON.stringify({ type: 'request/header-delta', seq: 2, time: 9, data: {} }) From 169f86966a2cb2aec97ed2613cb8f766b6caed4f Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sat, 11 Jul 2026 22:33:33 +0800 Subject: [PATCH 88/90] fix(review): lint prompt Markdown paragraphs --- .../acp-agent/both-mode.cordis.snapshot.yml | 6 ++--- examples/acp-agent/both-mode.cordis.yml | 6 ++--- .../acp-agent/code-mode.cordis.snapshot.yml | 6 ++--- examples/acp-agent/code-mode.cordis.yml | 6 ++--- examples/acp-agent/cordis.yml | 6 ++--- .../both-mode-turn/system-prompt.golden.md | 6 ++--- .../code-mode-turn/system-prompt.golden.md | 6 ++--- .../text-turn/system-prompt.golden.md | 6 ++--- scripts/verify-md-wrap.ts | 22 ++++++++++++++----- 9 files changed, 33 insertions(+), 37 deletions(-) diff --git a/examples/acp-agent/both-mode.cordis.snapshot.yml b/examples/acp-agent/both-mode.cordis.snapshot.yml index 67044b8066..8ee54b3078 100644 --- a/examples/acp-agent/both-mode.cordis.snapshot.yml +++ b/examples/acp-agent/both-mode.cordis.snapshot.yml @@ -20,11 +20,9 @@ tools: mode: both persona: | - You are a coding assistant powered by the {{model}} model. Your working - directory is {{cwd}}. + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. - Verify your work by running the code or tests. Keep answers brief and - factual. + Verify your work by running the code or tests. Keep answers brief and factual. - insert: - id: code-runtime name: '@deepseek-ai/dsh-code-runtime-worker' diff --git a/examples/acp-agent/both-mode.cordis.yml b/examples/acp-agent/both-mode.cordis.yml index b449a568ec..3dff66d60a 100644 --- a/examples/acp-agent/both-mode.cordis.yml +++ b/examples/acp-agent/both-mode.cordis.yml @@ -19,11 +19,9 @@ tools: mode: both persona: | - You are a coding assistant powered by the {{model}} model. Your working - directory is {{cwd}}. + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. - Verify your work by running the code or tests. Keep answers brief and - factual. + Verify your work by running the code or tests. Keep answers brief and factual. - insert: - id: code-runtime name: '@deepseek-ai/dsh-code-runtime-worker' diff --git a/examples/acp-agent/code-mode.cordis.snapshot.yml b/examples/acp-agent/code-mode.cordis.snapshot.yml index bcaa225eba..d525afc5d6 100644 --- a/examples/acp-agent/code-mode.cordis.snapshot.yml +++ b/examples/acp-agent/code-mode.cordis.snapshot.yml @@ -20,11 +20,9 @@ tools: mode: code persona: | - You are a coding assistant powered by the {{model}} model. Your working - directory is {{cwd}}. + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. - Verify your work by running the code or tests. Keep answers brief and - factual. + Verify your work by running the code or tests. Keep answers brief and factual. - insert: - id: code-runtime name: '@deepseek-ai/dsh-code-runtime-worker' diff --git a/examples/acp-agent/code-mode.cordis.yml b/examples/acp-agent/code-mode.cordis.yml index d46e490494..323c35b5b4 100644 --- a/examples/acp-agent/code-mode.cordis.yml +++ b/examples/acp-agent/code-mode.cordis.yml @@ -20,11 +20,9 @@ tools: mode: code persona: | - You are a coding assistant powered by the {{model}} model. Your working - directory is {{cwd}}. + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. - Verify your work by running the code or tests. Keep answers brief and - factual. + Verify your work by running the code or tests. Keep answers brief and factual. - insert: - id: code-runtime name: '@deepseek-ai/dsh-code-runtime-worker' diff --git a/examples/acp-agent/cordis.yml b/examples/acp-agent/cordis.yml index 0ff736dd59..dc03ea6b03 100644 --- a/examples/acp-agent/cordis.yml +++ b/examples/acp-agent/cordis.yml @@ -44,11 +44,9 @@ # loop resolves per session (every ACP session carries the client's cwd, # so the persona can state the workspace). persona: | - You are a coding assistant powered by the {{model}} model. Your working - directory is {{cwd}}. + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. - Verify your work by running the code or tests. Keep answers brief and - factual. + Verify your work by running the code or tests. Keep answers brief and factual. # The subagent seam + both in-process backends + two model-facing tools, as leaf # entries after the app (which provides ctx.agents/ctx.tools). spawn (a fresh diff --git a/examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md index 688557b132..d817cf1a80 100644 --- a/examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md +++ b/examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md @@ -1,10 +1,8 @@ You are an AI agent powered by the DeepSeek Harness SDK. -You are a coding assistant powered by the deepseek-v4-flash model. Your working -directory is {{cwd}}. +You are a coding assistant powered by the deepseek-v4-flash model. Your working directory is {{cwd}}. -Verify your work by running the code or tests. Keep answers brief and -factual. +Verify your work by running the code or tests. Keep answers brief and factual. Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md index 688557b132..d817cf1a80 100644 --- a/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md +++ b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md @@ -1,10 +1,8 @@ You are an AI agent powered by the DeepSeek Harness SDK. -You are a coding assistant powered by the deepseek-v4-flash model. Your working -directory is {{cwd}}. +You are a coding assistant powered by the deepseek-v4-flash model. Your working directory is {{cwd}}. -Verify your work by running the code or tests. Keep answers brief and -factual. +Verify your work by running the code or tests. Keep answers brief and factual. Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. diff --git a/examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md index edaa7d5cc9..18f0cbcd07 100644 --- a/examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md +++ b/examples/acp-agent/tests/snapshots/text-turn/system-prompt.golden.md @@ -1,10 +1,8 @@ You are an AI agent powered by the DeepSeek Harness SDK. -You are a coding assistant powered by the deepseek-v4-flash model. Your working -directory is {{cwd}}. +You are a coding assistant powered by the deepseek-v4-flash model. Your working directory is {{cwd}}. -Verify your work by running the code or tests. Keep answers brief and -factual. +Verify your work by running the code or tests. Keep answers brief and factual. Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. diff --git a/scripts/verify-md-wrap.ts b/scripts/verify-md-wrap.ts index 2d8845e030..3143ee5617 100644 --- a/scripts/verify-md-wrap.ts +++ b/scripts/verify-md-wrap.ts @@ -18,9 +18,11 @@ * A wrapped paragraph inside a list item or blockquote is still a `paragraph` * node, so those are caught too. Scope mirrors doc-typecheck plus the two * AGENTS.md files that doc-sync does NOT otherwise cover (the convention itself - * lives there): README.md, docs/** /*.md, packages/* /*.md, AGENTS.md, - * packages/AGENTS.md. The root and packages/ CLAUDE.md are symlinks to the - * AGENTS.md files, so they are deduped by real path. + * lives there), plus generated system-prompt Markdown goldens: README.md, + * docs/** /*.md, packages/* /*.md, examples/** /system-prompt.golden.md, + * packages/** /system-prompt.golden.md, AGENTS.md, packages/AGENTS.md. The root + * and packages/ CLAUDE.md are symlinks to the AGENTS.md files, so they are + * deduped by real path. * * Run: `tsx scripts/verify-md-wrap.ts`. */ @@ -34,8 +36,18 @@ import type { Nodes } from 'mdast' const root = resolve(import.meta.dirname, '..') -/** Files to check: doc-typecheck's scope plus the AGENTS.md pair. */ -const PATTERNS = ['README.md', 'README.zh.md', 'docs/**/*.md', 'packages/*/*.md', 'packages/*/*/*.md', 'AGENTS.md', 'packages/AGENTS.md'] +/** Files to check: doc-typecheck's scope, prompt goldens, and the AGENTS.md pair. */ +const PATTERNS = [ + 'README.md', + 'README.zh.md', + 'docs/**/*.md', + 'packages/*/*.md', + 'packages/*/*/*.md', + 'examples/**/system-prompt.golden.md', + 'packages/**/system-prompt.golden.md', + 'AGENTS.md', + 'packages/AGENTS.md', +] /** A located hard-wrap: a prose paragraph spanning more than one source line. */ interface Violation { From bac97a5b2e1ae105eaa3a50c3aa131f8ead02fbb Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sat, 11 Jul 2026 23:55:56 +0800 Subject: [PATCH 89/90] test(acp-snapshot): cover the delta-insert trailing-newline branch formatSystemPromptSnapshot's insert-join ternary had its already-newline- terminated arm unexercised (a delta whose insert ends in a blank line), failing the per-file 100% branch gate on suite.ts (99.24%). --- packages/support/acp-snapshot/tests/suite.spec.ts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/packages/support/acp-snapshot/tests/suite.spec.ts b/packages/support/acp-snapshot/tests/suite.spec.ts index dc6b71ea00..d6e3e2b912 100644 --- a/packages/support/acp-snapshot/tests/suite.spec.ts +++ b/packages/support/acp-snapshot/tests/suite.spec.ts @@ -273,6 +273,12 @@ describe('formatSystemPromptSnapshot', () => { { keepStart: 1, keepEnd: 0, insert: ['new', 'lines'] }, ])).toBe('prompt\n\n\n\nnew\nlines\n') }) + + it('does not double the newline of a delta insert with a trailing blank line', () => { + expect(formatSystemPromptSnapshot('prompt\n', [ + { keepStart: 2, keepEnd: 1, insert: ['tail', ''] }, + ])).toBe('prompt\n\n\n\ntail\n') + }) }) describe('headerDeltaCount', () => { From 382c243e78893814cb751eaf0fc09b35caf4e65b Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sat, 11 Jul 2026 23:56:16 +0800 Subject: [PATCH 90/90] test(e2e): widen keyless boot-smoke kill budgets to 30s MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The keyless Loader-path smokes killed the child 10s after spawn, but a loaded CI e2e runner routinely needs longer just to boot the unbuilt tsx tree: on this branch's run the coding-agent smoke burned both retries and failed at 30s wall-clock, and the sibling smokes passed only on retry x2 (master's latest run shows the same near-misses). The budget guards against a HANG, not slowness — raise kill to 30s and the vitest test timeout to 45s so a slow boot no longer masquerades as one. --- .../tests/code-mode-keyless-smoke.e2e.ts | 6 +++--- examples/coding-agent/tests/keyless-smoke.e2e.ts | 6 +++--- examples/cordis-agent/tests/keyless-smoke.e2e.ts | 6 +++--- examples/echo-agent/tests/echo.e2e.ts | 12 ++++++------ 4 files changed, 15 insertions(+), 15 deletions(-) diff --git a/examples/coding-agent/tests/code-mode-keyless-smoke.e2e.ts b/examples/coding-agent/tests/code-mode-keyless-smoke.e2e.ts index 7894e9ff9f..6c0c6afd3a 100644 --- a/examples/coding-agent/tests/code-mode-keyless-smoke.e2e.ts +++ b/examples/coding-agent/tests/code-mode-keyless-smoke.e2e.ts @@ -67,8 +67,8 @@ async function bootAndEof(): Promise<{ stdout: string; code: number }> { const timer = setTimeout(() => { proc.kill('SIGKILL') - reject(new Error(`code-mode overlay did not exit within 10s. stdout:\n${stdout}\nstderr:\n${stderr}`)) - }, 10_000) + reject(new Error(`code-mode overlay did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) proc.on('exit', (code) => { clearTimeout(timer) @@ -87,5 +87,5 @@ describe('code-mode overlay keyless smoke (real code-mode.cordis.yml via the Loa const { stdout, code } = await bootAndEof() expect(code).toBe(0) expect(stdout).toContain('code-mode agent ready.') - }, 15_000) + }, 45_000) }) diff --git a/examples/coding-agent/tests/keyless-smoke.e2e.ts b/examples/coding-agent/tests/keyless-smoke.e2e.ts index b4d73f4d90..219144e904 100644 --- a/examples/coding-agent/tests/keyless-smoke.e2e.ts +++ b/examples/coding-agent/tests/keyless-smoke.e2e.ts @@ -78,8 +78,8 @@ async function bootAndEof(): Promise<{ stdout: string; code: number }> { const timer = setTimeout(() => { proc.kill('SIGKILL') - reject(new Error(`coding-agent did not exit within 10s. stdout:\n${stdout}\nstderr:\n${stderr}`)) - }, 10_000) + reject(new Error(`coding-agent did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) proc.on('exit', (code) => { clearTimeout(timer) @@ -98,5 +98,5 @@ describe('coding-agent keyless smoke (real cordis.yml via the Loader)', () => { const { stdout, code } = await bootAndEof() expect(code).toBe(0) expect(stdout).toContain('agent REPL ready.') - }, 15_000) + }, 45_000) }) diff --git a/examples/cordis-agent/tests/keyless-smoke.e2e.ts b/examples/cordis-agent/tests/keyless-smoke.e2e.ts index b37ea8d83e..1211b4dce5 100644 --- a/examples/cordis-agent/tests/keyless-smoke.e2e.ts +++ b/examples/cordis-agent/tests/keyless-smoke.e2e.ts @@ -70,8 +70,8 @@ async function bootAndEof(): Promise<{ stdout: string; code: number }> { const timer = setTimeout(() => { proc.kill('SIGKILL') - reject(new Error(`cordis-agent did not exit within 10s. stdout:\n${stdout}\nstderr:\n${stderr}`)) - }, 10_000) + reject(new Error(`cordis-agent did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) proc.on('exit', (code) => { clearTimeout(timer) @@ -90,5 +90,5 @@ describe('cordis-agent keyless smoke (real cordis.yml via the Loader)', () => { const { stdout, code } = await bootAndEof() expect(code).toBe(0) expect(stdout).toContain('cordis-agent ready.') - }, 15_000) + }, 45_000) }) diff --git a/examples/echo-agent/tests/echo.e2e.ts b/examples/echo-agent/tests/echo.e2e.ts index b446b2b191..0a2bb36288 100644 --- a/examples/echo-agent/tests/echo.e2e.ts +++ b/examples/echo-agent/tests/echo.e2e.ts @@ -51,7 +51,7 @@ afterEach(async () => { /** * Boot echo-agent, write `lines` to its stdin, close stdin, and resolve with * the full stdout once the process exits (the stdio UI exits on EOF after the - * agent settles). Rejects on a non-zero exit or a 10s timeout. + * agent settles). Rejects on a non-zero exit or a 30s timeout. */ async function runEcho(lines: string[]): Promise<{ stdout: string; code: number }> { workdir = await mkdtemp(join(tmpdir(), 'echo-smoke-')) @@ -84,8 +84,8 @@ async function runEcho(lines: string[]): Promise<{ stdout: string; code: number const timer = setTimeout(() => { proc.kill('SIGKILL') - reject(new Error(`echo-agent did not exit within 10s. stdout:\n${stdout}\nstderr:\n${stderr}`)) - }, 10_000) + reject(new Error(`echo-agent did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) proc.on('exit', (code) => { clearTimeout(timer) @@ -105,19 +105,19 @@ describe('echo-agent keyless smoke (real cordis.yml via the Loader)', () => { const { stdout, code } = await runEcho([]) expect(code).toBe(0) expect(stdout).toContain('echo-agent ready.') - }, 15_000) + }, 45_000) it('runs the echo tool round-trip for an "echo …" line', async () => { const { stdout } = await runEcho(['echo hello world']) // mock-llm.ts emits a tool-call for the echo tool; echo-tool.ts uppercases. expect(stdout).toContain('[tool call] echo') expect(stdout).toContain('[tool result] ECHO: HELLO WORLD') - }, 15_000) + }, 45_000) it('streams a direct canned reply for a non-echo line', async () => { const { stdout } = await runEcho(['just chatting']) // The direct-response branch of mock-llm.ts quotes the input back. expect(stdout).toContain('just chatting') expect(stdout).not.toContain('[tool call]') - }, 15_000) + }, 45_000) })