From c238992fbbba0b35f7bf2848712960a39e49ea0e Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Thu, 16 Jul 2026 18:12:34 +0800 Subject: [PATCH 01/28] feat(core): make turn cancellation explicit --- docs/architecture.md | 4 +- docs/config-catalog.md | 2 +- docs/cordis-catalog/events.md | 44 +-- docs/cordis-catalog/services.md | 2 +- docs/core-data-structures/core.md | 30 +- docs/core-data-structures/session.md | 5 +- docs/core-data-structures/system-prompt.md | 3 +- docs/event-producer-consumer.md | 30 +- docs/persistence-catalog.md | 30 +- docs/rfc/INDEX.md | 1 + ...-18-agent-lifecycle-and-ownership-seams.md | 4 +- ...07-16-explicit-turn-cancellation.i18n.yaml | 6 + .../2026-07-16-explicit-turn-cancellation.md | 55 ++++ ...026-07-16-explicit-turn-cancellation.zh.md | 55 ++++ .../2026-06-20-public-agent-stop-surface.md | 8 +- .../tests/snapshots/cancel/session.jsonl | 2 +- .../cordis/tool-cordis/src/api-catalog.ts | 20 +- packages/core/agent-loop/README.md | 6 +- packages/core/agent-loop/src/agent.ts | 61 ++-- packages/core/agent-loop/src/cancellation.ts | 31 ++ packages/core/agent-loop/src/inbox.ts | 2 +- packages/core/agent-loop/src/loop.ts | 236 ++++++++------- .../agent-loop/tests/agent-execution.spec.ts | 76 +++++ packages/core/agent-loop/tests/agent.spec.ts | 2 +- packages/core/agent-loop/tests/cancel.spec.ts | 268 +++++++++++++++--- .../tests/contract-regressions.spec.ts | 51 ++-- .../agent-loop/tests/coverage-edges.spec.ts | 4 +- .../agent-loop/tests/interception.spec.ts | 8 +- packages/core/agent-loop/tests/loop.spec.ts | 14 +- .../tests/request-reconstruction.spec.ts | 6 +- packages/core/agent-loop/tests/resume.spec.ts | 2 +- .../core/agent-loop/tests/turn-stop.spec.ts | 2 +- packages/core/agent/README.md | 4 +- packages/core/agent/src/dispatch.ts | 5 +- packages/core/agent/src/types.ts | 100 ++++++- packages/core/agent/tests/agent.spec.ts | 6 +- packages/core/session/README.md | 2 + packages/core/session/src/types.ts | 3 +- packages/core/session/tests/fork.spec.ts | 2 +- packages/core/session/tests/session.spec.ts | 10 + packages/core/system-prompt/README.md | 4 +- packages/core/system-prompt/src/index.ts | 4 + packages/guard/repeat-tool-guard/src/index.ts | 2 +- packages/hooks/hook-protocol/src/runner.ts | 2 +- packages/hooks/hooks-claude/src/index.ts | 8 +- packages/hooks/hooks-codex/src/index.ts | 8 +- .../subagent/subagent-inprocess/src/index.ts | 2 +- .../subagent-inprocess/src/structured.ts | 2 +- .../tests/structured.spec.ts | 4 +- .../tests/subagent-inprocess.spec.ts | 11 +- packages/ui/acp/src/index.ts | 10 +- packages/ui/acp/tests/codec.spec.ts | 2 +- packages/ui/acp/tests/turns.spec.ts | 4 + scripts/translation-pairing.manifest.json | 1 + scripts/type-equiv.manifest.json | 1 + 55 files changed, 884 insertions(+), 383 deletions(-) create mode 100644 docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml create mode 100644 docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md create mode 100644 docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md create mode 100644 packages/core/agent-loop/src/cancellation.ts diff --git a/docs/architecture.md b/docs/architecture.md index d4faf07f4b..18675d6862 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -102,7 +102,7 @@ Post-tool context follows all results, preserving call/result adjacency. Steerin ### Failure Boundaries -The turn contains listener, adapter, and step failures: it records an error reason and emits `agent/error` without killing the driver. `cancel()` clears pending work, aborts active model/tool work when possible, and records the turn end. Disposal stops and drains the loop before unregistering the agent. +The turn contains listener, adapter, and step failures: it records an error reason and emits `agent/error` without killing the driver. One explicit `AbortSignal` spans prompt submission, prompt assembly, all steps, continuation, turn close, and flush; `cancel()` clears pending work and carries a typed `user` or `parent` runtime cause, while the durable turn records only `aborted` and disposal remains a distinct higher-priority terminal state. Cooperative work must settle before the loop reports quiescence. See the [explicit turn cancellation decision](rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md). Every session event is turn-enclosed. Reload closes an interrupted tail with a synthetic `interrupted` end; failures after durable turn close only emit `agent/error`. A turn has one `TurnEndReason`; [TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap) defines each variant. @@ -116,7 +116,7 @@ Every live agent owns a scoped `agent.ctx`; its registrations shadow globals, re ### Agent Execution Context -`AgentLoop` wraps each concrete driver in process-local `ctx.agentExecution`; child creation and setup stay outside its boundary, and explicit identities remain authoritative. See the [package contract](../packages/core/agent-execution/README.md) and [decision](rfc/implemented/architecture/2026-07-15-agent-execution-context.md). +`AgentLoop` wraps each concrete driver in process-local `ctx.agentExecution`; its ALS frame contains only `{ agent }`. Child creation and setup stay outside the boundary, and turn, step, signal, cwd, and authority remain explicit. See the [package contract](../packages/core/agent-execution/README.md) and [decision](rfc/implemented/architecture/2026-07-15-agent-execution-context.md). ## State diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 06547594ec..3981ea5dc6 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -863,7 +863,7 @@ export interface Config { } ``` -Source: [`packages/core/system-prompt/src/index.ts:143`](../packages/core/system-prompt/src/index.ts) +Source: [`packages/core/system-prompt/src/index.ts:147`](../packages/core/system-prompt/src/index.ts) ## `@deepseek-ai/dsh-time-context` diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index ede449cb1c..180537eec1 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -23,7 +23,7 @@ A fully configured agent and live session were published. Setup is composition-o Types: [Agent](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:139`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:206`](../../packages/core/agent/src/types.ts) ### `agent/disposed` — emit @@ -35,7 +35,7 @@ An agent left the registry; AgentLoop emits this after driver quiescence but bef Types: [Agent](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:148`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:215`](../../packages/core/agent/src/types.ts) ### `agent/error` — emit @@ -47,7 +47,7 @@ A step or turn errored. The loop reports a failure here (plus the logger) even w Types: [Agent](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:283`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:357`](../../packages/core/agent/src/types.ts) ### `agent/pre-step` — serial @@ -59,19 +59,19 @@ Awaited serial checkpoint for session-surface mutation after prompt assembly and Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:202`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:269`](../../packages/core/agent/src/types.ts) ### `agent/prompt-submit` — waterfall -Allow, rewrite, or block one drained prompt before it becomes a user message. Call `next()` for the unchanged default. +Allow, rewrite, or block one drained prompt before it becomes a user message. Call `next()` for the unchanged default. The signal controls only this turn; listeners may cooperate with it but must not retain it to control another turn. ```ts cordis-catalog -'agent/prompt-submit'(this: Scoped, agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise): Promise +'agent/prompt-submit'(this: Scoped, agent: Agent, content: ContentBlock[], source: MessageSource, signal: AbortSignal, next: () => Promise): Promise ``` Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:212`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:282`](../../packages/core/agent/src/types.ts) ### `agent/queued` — emit @@ -83,19 +83,19 @@ Detached, frozen content entered the agent's inbox. Source defaults have already Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:167`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:234`](../../packages/core/agent/src/types.ts) ### `agent/request` — waterfall Replace the frozen call configuration. Model-visible content must use logged channels; this seam cannot mutate messages. Injection here joins the next request because the current step boundary is already fixed. ```ts cordis-catalog -'agent/request'(this: Scoped, agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise): Promise +'agent/request'(this: Scoped, agent: Agent, turn: number, step: number, config: LlmCallConfig, signal: AbortSignal, next: () => Promise): Promise ``` Types: [Agent](../core-data-structures/core.md) · [LlmCallConfig](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:224`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:295`](../../packages/core/agent/src/types.ts) ### `agent/session-prefix` — waterfall @@ -107,7 +107,7 @@ Compose request-only messages placed before derived history. The frozen result i Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:239`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:310`](../../packages/core/agent/src/types.ts) ### `agent/session-start` — emit @@ -119,7 +119,7 @@ The session lifecycle began, once before the first turn. Use `agent.inject()` to Types: [Agent](../core-data-structures/core.md) · [SessionStartSource](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:180`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:247`](../../packages/core/agent/src/types.ts) ### `agent/status` — emit @@ -131,43 +131,43 @@ Agent status changed (`idle` ⇄ `running`, or → `disposed`). `send()` does no Types: [Agent](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:157`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:224`](../../packages/core/agent/src/types.ts) ### `agent/step-result` — waterfall Waterfall: post-process the assembled assistant Message before tool dispatch (validation, content rewriting, …). ```ts cordis-catalog -'agent/step-result'(this: Scoped, agent: Agent, turn: number, step: number, message: Message, next: () => Promise): Promise +'agent/step-result'(this: Scoped, agent: Agent, turn: number, step: number, message: Message, signal: AbortSignal, next: () => Promise): Promise ``` Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:250`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:322`](../../packages/core/agent/src/types.ts) ### `agent/turn-continuation` — waterfall Override whether the turn continues. The default continues after tool calls or steering and stops otherwise; a continue reason becomes steering. ```ts cordis-catalog -'agent/turn-continuation'(this: Scoped, agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise): Promise +'agent/turn-continuation'(this: Scoped, agent: Agent, turn: number, defaultDecision: ContinuationDecision, signal: AbortSignal, next: () => Promise): Promise ``` Types: [Agent](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:260`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:333`](../../packages/core/agent/src/types.ts) ### `agent/turn-stop` — serial Monotonic terminal-stop checkpoint after continuation and steering are folded; a stop remains authoritative through turn close and flush: steering queued in that window is discarded, while ordinary sends survive. ```ts cordis-catalog -'agent/turn-stop'(this: Scoped, agent: Agent, turn: number): ContinuationStop | undefined +'agent/turn-stop'(this: Scoped, agent: Agent, turn: number, signal: AbortSignal): Promise | ContinuationStop | undefined ``` Types: [Agent](../core-data-structures/core.md) -Source: [`packages/core/agent/src/types.ts:270`](../../packages/core/agent/src/types.ts) +Source: [`packages/core/agent/src/types.ts:344`](../../packages/core/agent/src/types.ts) ## `approval/*` @@ -325,13 +325,13 @@ Source: [`packages/subagent/subagent/src/index.ts:99`](../../packages/subagent/s ### `system-prompt/assemble` — waterfall -Expert waterfall over the assembled sections, tools, and variables. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): scoped listeners receive only that scope's assemblies. The returned value is authoritative. +Expert waterfall over the assembled sections, tools, and variables. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): scoped listeners receive only that scope's assemblies. The returned value is authoritative. A supplied signal controls only this explicit assembly request and must not be retained to control later turns. ```ts cordis-catalog 'system-prompt/assemble'(this: Scoped, assembly: PromptAssembly, context: AssembleContext, next: () => Promise): Promise ``` -Source: [`packages/core/system-prompt/src/index.ts:27`](../../packages/core/system-prompt/src/index.ts) +Source: [`packages/core/system-prompt/src/index.ts:29`](../../packages/core/system-prompt/src/index.ts) ### `system-prompt/change` — emit @@ -341,7 +341,7 @@ Emitted when any prompt provider changes. This registry notification is unfilter 'system-prompt/change'(): void ``` -Source: [`packages/core/system-prompt/src/index.ts:33`](../../packages/core/system-prompt/src/index.ts) +Source: [`packages/core/system-prompt/src/index.ts:35`](../../packages/core/system-prompt/src/index.ts) ## `tools/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index ac002b3e4b..001fd1e75c 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -254,7 +254,7 @@ variable(name: string, provider: (context: AssembleContext) => string | undefine async assemble(context: AssembleContext = {}): Promise ``` -Source: [`packages/core/system-prompt/src/index.ts:209`](../../packages/core/system-prompt/src/index.ts) +Source: [`packages/core/system-prompt/src/index.ts:213`](../../packages/core/system-prompt/src/index.ts) ## `ctx.tasks` — `TaskService` diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 133458f55b..5e98169659 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -246,6 +246,14 @@ The fifteen event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, Source: [`packages/core/agent/src/types.ts`](../../packages/core/agent/src/types.ts) +`AgentCancelCause` identifies the runtime caller without widening the durable turn outcome. The concrete Agent validates, detaches, and freezes this value before placing it on the current turn signal; Session replay records only that the turn was aborted. + +```ts type-equiv +type AgentCancelCause = + | { readonly kind: 'user' } + | { readonly kind: 'parent' } +``` + ```ts type-equiv interface Agent { readonly id: AgentId @@ -300,22 +308,14 @@ interface Agent { inject(content: ContentBlock[], options?: SendOptions): void /** - * Cancel ALL pending work for the agent. `cancel()`: - * - * - clears the queued FIFO (un-started prompts never run) and the steering - * FIFO (steering for the cancelled turn is dropped, not re-enqueued); - * - aborts the in-flight step if one is running (the turn ends `aborted`); - * - drops a turn that is about to start (a `cancel()` landing in the - * pre-step window — after a `send()` queued but before the loop flips to - * `running`, or after `running` is emitted but before the first step) so - * that queued prompt does not run and cannot be batched into the cancelled - * turn. - * - * After `cancel()`, `whenIdle()` resolves on the post-cancel quiescent state. - * `cancel()` on an idle agent with nothing queued or running is a safe no-op - * — it does NOT arm anything that would drop a later legitimate prompt. + * Clear queued and steering work, including work waiting to start, and abort + * the active turn. The first cause wins for that turn, and `whenIdle()` resolves + * after cancellation reaches quiescence. Omission means `{ kind: 'user' }`; + * invalid causes throw synchronously even while idle. Idle cancellation is a + * no-op after validation and does not arm a later cancel. + * @param cause - the stable caller intent carried by the current turn signal. */ - cancel(reason?: string): void + cancel(cause?: AgentCancelCause): void /** * Resolve once the agent has reached quiescence after settling out of diff --git a/docs/core-data-structures/session.md b/docs/core-data-structures/session.md index d8292c49b3..68421022ea 100644 --- a/docs/core-data-structures/session.md +++ b/docs/core-data-structures/session.md @@ -254,10 +254,13 @@ interface TurnTriggerMap { ## Why a turn ended: `TurnEndReasonMap` +`aborted` is intentionally a coarse durable outcome: it records that cancellation interrupted the live turn, not which runtime caller requested it. The runtime-only caller vocabulary belongs to [`AgentCancelCause`](core.md#the-agent-handle); a future audit requirement would use a separate control-request event rather than overloading the terminal result. + ```ts type-equiv interface TurnEndReasonMap { completed: { kind: 'completed' } - aborted: { kind: 'aborted'; reason?: string } + /** A cancellation request interrupted the live turn. */ + aborted: { kind: 'aborted' } /** * The turn failed: a step threw or the model reported a failure. `step` is the * step number the failure occurred on (the operational error's location — the diff --git a/docs/core-data-structures/system-prompt.md b/docs/core-data-structures/system-prompt.md index 4b6f1e6625..0ffc243279 100644 --- a/docs/core-data-structures/system-prompt.md +++ b/docs/core-data-structures/system-prompt.md @@ -6,11 +6,12 @@ Source: [`packages/core/system-prompt/src/index.ts`](../../packages/core/system- ## Assembly context -`AssembleContext` identifies the scope layer one assembly resolves. It is merge-extensible: `dsh-agent` adds the optional live `agent` field, and `assembleContextFor(agent)` sets that field and `scope` together. +`AssembleContext` identifies the scope layer one assembly resolves and may carry the explicit control signal for that request. It is merge-extensible: `dsh-agent` adds the optional live `agent` field, and `assembleContextFor(agent, signal)` sets the explicit fields together. A bare assembly has neither scope nor signal. ```ts type-equiv interface AssembleContext { scope?: ScopeKey + signal?: AbortSignal } ``` diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index d8c924b24d..9ca0c378d9 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -7,19 +7,19 @@ This matrix shows which packages dispatch each harness-owned event and which pac | Event | Mode | Declared in | Dispatchers | Listeners | | --- | --- | --- | --- | --- | -| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:139`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`jsonrpc`](../packages/ui/jsonrpc), [`stdio`](../packages/ui/stdio) | -| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:148`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`stdio`](../packages/ui/stdio) | -| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:283`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | -| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:202`](../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:212`](../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:167`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | -| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:224`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | -| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:239`](../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:180`](../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:157`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio`](../packages/ui/stdio) | -| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:250`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | -| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:260`](../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) | -| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:270`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | +| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:206`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`jsonrpc`](../packages/ui/jsonrpc), [`stdio`](../packages/ui/stdio) | +| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:215`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`stdio`](../packages/ui/stdio) | +| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:357`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | +| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:269`](../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:282`](../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:234`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | +| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:295`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | +| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:310`](../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:247`](../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:224`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio`](../packages/ui/stdio) | +| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:322`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | +| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:333`](../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) | +| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:344`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | | `approval/request` | `waterfall` | [`packages/ui/user-approval/src/index.ts:31`](../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:59`](../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:68`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) | @@ -33,8 +33,8 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `subagent/provider-added` | `emit` | [`packages/subagent/subagent/src/index.ts:82`](../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:88`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`tool-subagent`](../packages/subagent/tool-subagent) | | `subagent/start` | `emit` | [`packages/subagent/subagent/src/index.ts:99`](../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:27`](../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:33`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | +| `system-prompt/assemble` | `waterfall` | [`packages/core/system-prompt/src/index.ts:29`](../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:35`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | | `tools/change` | `emit` | [`packages/core/tools/src/index.ts:116`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | | `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:89`](../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:98`](../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) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index a27b19b9a7..ca2f1e4094 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -57,7 +57,7 @@ Raw stream chunk — token-level replay fidelity. Types: [StreamChunk](core-data-structures/llm-streaming.md) -Source: [`packages/core/session/src/types.ts:242`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:243`](../packages/core/session/src/types.ts) #### `assistant/message` — surface @@ -69,7 +69,7 @@ Assembled assistant message for one step (derived history uses this). Carries th Types: [ContentBlock](core-data-structures/core.md) · [TokenUsage](core-data-structures/llm-streaming.md) -Source: [`packages/core/session/src/types.ts:249`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:250`](../packages/core/session/src/types.ts) ### `bash/*` @@ -129,7 +129,7 @@ In-session context injection (file-change notices, subdir AGENTS.md, skill conte Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) -Source: [`packages/core/session/src/types.ts:240`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:241`](../packages/core/session/src/types.ts) ### `hook/*` @@ -177,7 +177,7 @@ Durable record of a prompt veto and its reason. It is log-only: the blocked prom Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) -Source: [`packages/core/session/src/types.ts:234`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:235`](../packages/core/session/src/types.ts) ### `request/*` @@ -189,7 +189,7 @@ Full EpochHeader for the next request, appended inside its step before dispatch. 'request/header': { header: EpochHeader; reason: RequestHeaderReason } ``` -Source: [`packages/core/session/src/types.ts:277`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:278`](../packages/core/session/src/types.ts) #### `request/header-delta` — log-only @@ -199,7 +199,7 @@ Log-only amendment to the folded EpochHeader. System and tools use their delta c 'request/header-delta': { system?: SystemDelta; tools?: ToolsDelta; config?: LlmCallConfig; messagePrefix?: Message[] } ``` -Source: [`packages/core/session/src/types.ts:283`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:284`](../packages/core/session/src/types.ts) ### `steering/*` @@ -213,7 +213,7 @@ Steering content injected between steps of a running turn. Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) -Source: [`packages/core/session/src/types.ts:267`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:268`](../packages/core/session/src/types.ts) ### `step/*` @@ -225,7 +225,7 @@ Closes step `step` of turn `turn`. 'step/end': { turn: number; step: number } ``` -Source: [`packages/core/session/src/types.ts:227`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:228`](../packages/core/session/src/types.ts) #### `step/start` — log-only @@ -235,7 +235,7 @@ Opens step `step` of turn `turn` — one model call plus the tool executions it 'step/start': { turn: number; step: number } ``` -Source: [`packages/core/session/src/types.ts:225`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:226`](../packages/core/session/src/types.ts) ### `todo/*` @@ -249,7 +249,7 @@ Whole-list snapshot; the latest write wins on replay. It is log-only UI state an Types: [TodoItem](core-data-structures/session.md) -Source: [`packages/core/session/src/types.ts:272`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:273`](../packages/core/session/src/types.ts) ### `tool/*` @@ -263,7 +263,7 @@ The model requested one tool invocation: `name` with the raw `arguments` JSON st Types: [CallId](core-data-structures/core.md) -Source: [`packages/core/session/src/types.ts:255`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:256`](../packages/core/session/src/types.ts) #### `tool/code-dispatch` — log-only @@ -287,7 +287,7 @@ A completed tool call's model-facing result, plus an optional tool-private `meta Types: [CallId](core-data-structures/core.md) · [ContentBlock](core-data-structures/core.md) -Source: [`packages/core/session/src/types.ts:265`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:266`](../packages/core/session/src/types.ts) ### `turn/*` @@ -301,7 +301,7 @@ Closes turn `turn` with the TurnEndReason that ended it. The loop fires the awai Types: [TurnEndReason](core-data-structures/session.md) -Source: [`packages/core/session/src/types.ts:223`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:224`](../packages/core/session/src/types.ts) #### `turn/start` — log-only @@ -313,7 +313,7 @@ Opens turn `turn`. `trigger` records what started it — a drained message batch Types: [TurnTrigger](core-data-structures/session.md) -Source: [`packages/core/session/src/types.ts:217`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:218`](../packages/core/session/src/types.ts) ### `user/*` @@ -327,4 +327,4 @@ A user-visible prompt (queued message drained at turn start). Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) -Source: [`packages/core/session/src/types.ts:229`](../packages/core/session/src/types.ts) +Source: [`packages/core/session/src/types.ts:230`](../packages/core/session/src/types.ts) diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md index bc355fa328..78a11d4619 100644 --- a/docs/rfc/INDEX.md +++ b/docs/rfc/INDEX.md @@ -150,6 +150,7 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | [Single-file executable SDK runtime distribution (single-exe)](implemented/architecture/2026-07-10-single-file-executable-sdk-runtime-distribution.md) | 2026-07-10 | | [Agent-scope runtime design and correctness](implemented/architecture/2026-07-12-agent-scope-runtime-design.md) | 2026-07-12 | | [Agent execution context over AsyncLocalStorage](implemented/architecture/2026-07-15-agent-execution-context.md) | 2026-07-15 | +| [Explicit turn cancellation capability](implemented/architecture/2026-07-16-explicit-turn-cancellation.md) | 2026-07-16 | ### Process diff --git a/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md b/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md index 665063399d..9305941629 100644 --- a/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md +++ b/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md @@ -10,9 +10,9 @@ Several ACP and tool-bash limitations were symptoms of the same missing seam: pl Three seams: the queue-aware cancel, the `AgentHandle` disposer, and the bash owner token. -### 1. Queue-aware `Agent.cancel(reason?)` +### 1. Queue-aware `Agent.cancel(cause?)` -`cancel()` is the single public stop primitive. It clears queued and steering input, aborts an in-flight step, and arms a turn-scoped marker checked at each turn boundary. A queued prompt therefore cannot start after cancellation or absorb later input. `whenIdle()` waits for post-cancel quiescence, and ACP `session/cancel` maps to this method. An idle cancel does not arm the marker. +`cancel()` is the single public stop primitive. It clears queued and steering input and aborts the active turn through one private turn cancellation holder; a cause-less pre-run marker covers work not yet claimed by the driver without leaking into replacement input. The typed cause is `user` or `parent`, with omission and ACP `session/cancel` mapping to `user`. `whenIdle()` waits for actual post-cancel quiescence, and an idle cancel validates its cause without arming future work. See the [explicit turn cancellation contract](2026-07-16-explicit-turn-cancellation.md). ### 2. `AgentHandle` async disposer diff --git a/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml new file mode 100644 index 0000000000..c9de5dd06a --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml @@ -0,0 +1,6 @@ +# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each +# side as of the last confirmed-consistent state. Both languages carry equal authority; +# after editing either side, bring the other along and re-record with: +# pnpm run verify-translation-pairing --write +2026-07-16-explicit-turn-cancellation.md: 3716895c145c24603a93dab99108489e19154490 +2026-07-16-explicit-turn-cancellation.zh.md: d2f8a4227d38a05d7ed1dd5135a20d3b4e94deed diff --git a/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md new file mode 100644 index 0000000000..3716895c14 --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md @@ -0,0 +1,55 @@ +# RFC: Explicit turn cancellation capability + +Status: implemented + +English | [中文](2026-07-16-explicit-turn-cancellation.zh.md) + +## Problem + +Cancellation is a control capability with a shorter lifetime than an Agent driver. A free-form string cannot distinguish callers exhaustively, and a step-local controller cannot interrupt prompt submission, prompt assembly, continuation, or terminal turn policy. Storing `Error`, `AbortSignal.reason`, or backend-private objects would also expose unstable runtime details to durable replay. + +The [Agent execution context decision](2026-07-15-agent-execution-context.md) intentionally keeps the AsyncLocalStorage frame at `{ agent }`. Adding turn, step, or signal state to that driver-lifetime frame would make stale asynchronous descendants appear to retain authority over later turns. Cancellation therefore needs one turn owner and explicit propagation without creating another ambient context or public turn wrapper. + +## Decision + +Agent owns the runtime-only `AgentCancelCause` union `{ kind: 'user' } | { kind: 'parent' }`; `agent.cancel()` defaults to `user`. The normalization boundary accepts only an exact ordinary or null-prototype object with one supported `kind`, then returns a detached frozen value for the current turn signal. Strings, extra or symbol fields, unknown kinds, arrays, class instances, `Error`, and `AbortSignal` are rejected synchronously even when the Agent is idle. + +An interrupted live turn ends with the coarse durable `{ kind: 'aborted' }` outcome. The terminal event records what happened to the turn, while the runtime signal identifies who requested cancellation; it does not duplicate `user` or `parent` into replay. A future audit requirement uses a separate control-request event so a request and its eventual outcome remain distinct. Durable events contain no stack, signal, error object, free-form cancellation text, or backend-private detail. + +AgentLoop privately owns one `TurnCancellation` per prospective turn. It installs the holder before notifying `agent/status = running`, retains its single `AbortController` through prompt processing, prompt assembly, every step, model and tool execution, continuation, `agent/turn-stop`, `turn/end`, and durability flush, then clears it. Every participating method, event, and request value receives that same explicit signal; the next turn receives a fresh signal. + +The driver keeps only a cause-less pre-run marker for queued work cancelled before a turn is claimed. It clears the queued and steering work that existed when `cancel()` ran without arming cancellation for future prompts. If a `running` listener synchronously cancels old work and sends a replacement, the driver discards the aborted holder and creates a fresh one for the replacement. Repeated cancellation is first-wins for the active holder, while later calls may still clear newly queued pending work. + +The explicit event signatures keep their positional form and place `signal` immediately before a waterfall's final `next`. Prompt submission, request configuration, step-result processing, continuation, and terminal stop join the pre-existing explicit signal seams for pre-step, session prefix, model generation, tool execution, approval, and subagent or workflow requests. `SystemPrompt.assemble()` carries `signal?: AbortSignal` in `AssembleContext` because that object is an explicit request value. Listeners may cooperate with the signal but must not retain it to control another turn. + +`ctx.agentExecution` remains identity-only. Ambient Agent presence does not imply liveness, a current turn, or cancellation authority, and `agentInterruptReasonOf(signal)` reads only its explicit argument. Concurrent Agents isolate both their ALS identities and their turn signals; a child Agent shadows the parent identity while its parent request signal still travels through the subagent seam. + +Agent disposal requests the runtime-only `{ kind: 'disposed' }` interruption on the active holder. If cancellation already won the controller reason, the reason cannot be rewritten, so terminal classification first checks lifecycle state: disposed wins, then a supported `user` or `parent` cause becomes the coarse aborted outcome, and unrelated exceptions retain the existing error path. ACP cancellation maps to `user`; in-process spawn and fork propagation map to `parent`. Remote ACP subagents retain their existing wire protocol. + +Cancellation remains cooperative. The loop checks interruption before and after awaited boundaries but does not use `Promise.race` to abandon an in-process listener, adapter, or tool Promise. Work that ignores the signal must settle before `whenIdle()`, handle disposal, and scope teardown report quiescence. + +## Verification + +Contract tests verify strict runtime cause validation, frozen detachment, default and first-wins behavior, the coarse Session JSON round trip, ACP `user`, in-process subagent `parent`, and disposal precedence. Loop tests make cooperative listeners wait on the signal at prompt submission, system-prompt assembly, session prefix, pre-step, request, model stream, step result, tool execution, continuation, and terminal stop; they assert one signal within a turn and a fresh signal across turns. + +Execution-context tests assert that every hook still observes exactly `{ agent }`, concurrent Agents retain independent identities and signals, and nested child creation shadows only identity. Race tests cover idle cancellation, pre-run cancellation, replacement submission from a `running` listener, repeated cancellation, and cancel-versus-dispose quiescence. + +## Alternatives considered + +**Store the signal in ALS.** ALS follows asynchronous descendants for the entire driver lifetime, while cancellation authority ends with one turn. A leaked callback could observe a stale signal or require mutable frame replacement, so the identity frame stays `{ agent }` and control remains explicit. + +**Persist a free-form string reason.** Strings admit spelling drift, prevent exhaustive switching, and encourage consumers to parse presentation text. The runtime uses a closed discriminated union, while the terminal record needs only the stable aborted outcome. + +**Persist the typed caller cause in `turn/end`.** No production replay, UI, ACP, telemetry, or workflow consumer distinguishes `user` from `parent`. Copying the request source into the terminal result would conflate two facts and add Session-specific validation without a consumer; a future audit surface can record a separate cancellation-request event. + +**Define speculative `superseded`, `timeout`, and `shutdown` variants now.** No current Agent cancellation producer implements those semantics. `shutdown` is already lifecycle disposal, and timeout or supersession should enter the union only with an owning policy and unique terminal meaning. + +**Expose public turn or step context wrappers.** Existing positional seams already identify Agent, turn, and step. A wrapper would widen every API, duplicate ownership, and tempt callers to treat a captured object as durable authority. + +**Abandon uncooperative work after a grace period.** Returning idle while same-process work still runs breaks teardown and resource-ownership guarantees. Hard termination requires a worker or process isolation boundary and is outside this control seam. + +## Consequences + +Cancellation has one runtime owner, one signal per turn, and one typed runtime caller vocabulary. Session retains the coarse `aborted` outcome that its consumers actually use, stays isolated from runtime objects, and no longer needs cancellation-specific canonicalization. Cooperative cancellation reaches every asynchronous turn seam, including work before the first step and after the last one. + +The explicit signal adds parameters to several public events and requires plugins to forward cancellation deliberately. This is intentional: authority is visible at the call boundary, lifetime matches the turn, and stale ambient descendants cannot acquire control. Uncooperative in-process work may delay cancellation, but the reported quiescent state remains truthful. diff --git a/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md new file mode 100644 index 0000000000..d2f8a4227d --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md @@ -0,0 +1,55 @@ +# RFC：显式的 turn 取消能力 + +Status: implemented + +[English](2026-07-16-explicit-turn-cancellation.md) | 中文 + +## 问题 + +取消是一种生命周期短于 Agent 驱动的控制能力。自由文本字符串无法对调用方进行穷尽区分，步骤级 controller 也无法中断 prompt 提交、prompt 组装、continuation 或 turn 终止策略。持久化 `Error`、`AbortSignal.reason` 或后端私有对象还会把不稳定的运行时细节暴露给持久化 replay。 + +[Agent 执行上下文决策](2026-07-15-agent-execution-context.md)有意让 AsyncLocalStorage 帧保持为 `{ agent }`。若把 turn、步骤或 signal 状态加入这个与驱动同生命周期的帧，陈旧的异步后代就会看似仍对后续 turn 拥有权限。因此，取消需要一个 turn 归属方和显式传播，不能引入另一套环境上下文或公开 turn 包装类型。 + +## 决策 + +Agent 拥有仅用于运行时的 `AgentCancelCause` union：`{ kind: 'user' } | { kind: 'parent' }`；`agent.cancel()` 默认使用 `user`。规范化边界只接受恰好包含一个受支持 `kind` 的普通对象或 null-prototype 对象，并返回供当前 turn signal 使用的分离且冻结值。即使 Agent 处于 idle，字符串、额外字段或 symbol 字段、未知 kind、数组、class 实例、`Error` 和 `AbortSignal` 也会被同步拒绝。 + +被中断的 live turn 以粗粒度的持久化结果 `{ kind: 'aborted' }` 结束。终态事件记录 turn 发生了什么，运行时 signal 则标识谁请求了取消；回放不会重复保存 `user` 或 `parent`。未来若有审计需求，应使用独立的控制请求事件，让请求与最终结果保持为两项事实。持久化事件不包含 stack、signal、错误对象、自由文本取消原因或后端私有细节。 + +AgentLoop 为每个预期 turn 私有地拥有一个 `TurnCancellation`。它在通知 `agent/status = running` 前安装 holder，使其中唯一的 `AbortController` 持续覆盖 prompt 处理、prompt 组装、每个步骤、模型与工具执行、continuation、`agent/turn-stop`、`turn/end` 和持久化 flush，随后清除 holder。所有参与的方法、事件和请求值都会收到同一个显式 signal；下一 turn 会收到全新 signal。 + +对于 turn 被认领前取消的 queued work，驱动只保留一个不带 cause 的 pre-run marker。它会清除 `cancel()` 调用时已存在的 queued 和 steering work，但不会为未来 prompt 预设取消。若 `running` listener 同步取消旧工作并发送 replacement，驱动会丢弃已 aborted 的 holder，并为 replacement 创建全新 holder。同一 active holder 上的重复取消遵循 first-wins，后续调用仍可清除新进入队列的 pending work。 + +显式事件签名保留 positional 形态，并把 `signal` 放在 waterfall 最后一个参数 `next` 之前。Prompt 提交、请求配置、步骤结果处理、continuation 和终止停止加入已有的 pre-step、session prefix、模型生成、工具执行、审批以及 subagent 或 workflow 请求显式 signal seam。`SystemPrompt.assemble()` 在 `AssembleContext` 中携带 `signal?: AbortSignal`，因为该对象是显式请求值。Listener 可以配合该 signal 取消，但不得保留它来控制另一 turn。 + +`ctx.agentExecution` 仍只提供身份。环境中的 Agent 并不代表存活、当前 turn 或取消权限，`agentInterruptReasonOf(signal)` 也只读取其显式参数。并发 Agent 会同时隔离各自的 ALS 身份和 turn signal；子 Agent 会遮蔽父 Agent 身份，而父请求 signal 仍通过 subagent seam 传递。 + +Agent dispose 会在 active holder 上请求仅用于运行时的 `{ kind: 'disposed' }` 中断。若取消已经先成为 controller reason，该 reason 无法改写，因此终态分类会先检查生命周期状态：disposed 优先，之后受支持的 `user` 或 `parent` cause 形成粗粒度 aborted 结果，其他异常保留现有 error 路径。ACP 取消映射为 `user`；进程内 spawn 和 fork 的传播映射为 `parent`。远程 ACP subagent 保持现有 wire protocol。 + +取消仍然是协作式的。Loop 会在 await 边界前后检查中断，但不会用 `Promise.race` 放弃进程内 listener、adapter 或工具 Promise。忽略 signal 的工作必须真正结算，`whenIdle()`、handle dispose 和 scope teardown 才会报告静止状态。 + +## 验证 + +契约测试验证严格的运行时 cause 校验、冻结分离、默认与 first-wins 行为、粗粒度 Session JSON 往返、ACP `user`、进程内 subagent `parent` 以及 dispose 优先级。Loop 测试让协作式 listener 在 prompt 提交、system-prompt 组装、session prefix、pre-step、请求、模型 stream、步骤结果、工具执行、continuation 和终止停止处等待 signal；并断言同一 turn 使用一个 signal，不同 turn 使用全新 signal。 + +执行上下文测试断言所有 hook 仍只观察到 `{ agent }`，并发 Agent 保持独立的身份与 signal，嵌套子 Agent 创建只遮蔽身份。竞态测试覆盖 idle 取消、pre-run 取消、从 `running` listener 提交 replacement、重复取消以及 cancel 与 dispose 竞争下的静止状态。 + +## 考虑过的替代方案 + +**把 signal 存入 ALS。** ALS 会在整个驱动生命周期内跟随异步后代，而取消权限在一个 turn 结束时就已终止。泄漏的回调可能观察到陈旧 signal，或者迫使实现替换可变帧，因此身份帧保持 `{ agent }`，控制能力继续显式传递。 + +**持久化自由文本 reason。** 字符串允许拼写漂移、阻碍穷尽 switch，还会鼓励消费方解析展示文本。运行时使用封闭的 discriminated union，终态记录只需要稳定的 aborted 结果。 + +**在 `turn/end` 中持久化类型化调用方 cause。** 当前没有任何生产环境中的 replay、UI、ACP、telemetry 或 workflow 消费方区分 `user` 与 `parent`。把请求来源复制到终态结果会混淆两项事实，还会在没有消费方的情况下引入 Session 特有校验；未来的审计接口可以记录独立的取消请求事件。 + +**现在就定义推测性的 `superseded`、`timeout` 和 `shutdown` 变体。** 当前没有 Agent 取消生产方实现这些语义。`shutdown` 已经属于生命周期 dispose；timeout 或 supersession 只有在拥有明确归属策略和唯一终态含义时才应进入 union。 + +**公开 turn 或步骤 context 包装类型。** 现有 positional seam 已经标识 Agent、turn 和步骤。包装类型会加宽所有 API、重复归属，并诱导调用方把捕获的对象当成持久权限。 + +**在宽限期后放弃不协作的工作。** 同进程工作仍在运行时就返回 idle 会破坏 teardown 与资源归属保证。硬终止需要 worker 或进程隔离边界，不属于该控制 seam。 + +## 后果 + +取消拥有一个运行时归属方、每个 turn 一个 signal，以及一套类型化的运行时调用方词汇。Session 保留其消费方实际使用的粗粒度 `aborted` 结果，与运行时对象保持隔离，也不再需要取消专用的规范化逻辑。协作式取消覆盖每个异步 turn seam，包括第一个步骤之前和最后一个步骤之后的工作。 + +显式 signal 会给多个公开事件增加参数，并要求插件有意识地转发取消。这是有意设计：权限在调用边界可见，生命周期与 turn 匹配，陈旧的环境异步后代无法获得控制能力。不协作的进程内工作可能延迟取消，但所报告的静止状态仍然真实。 diff --git a/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md b/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md index 7ed7d10211..57550971d6 100644 --- a/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md +++ b/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md @@ -6,19 +6,19 @@ Status: implemented ## Problem -The public `Agent` handle exposed two overlapping ways to stop in-flight work: `abort(reason?)` and `cancel(reason?)`. `abort()` killed only the in-flight step and left queued work alone; `cancel()` clears queued and steering work, aborts the running step, and handles the pre-step race. In production, ACP uses `cancel()` for `session/cancel`, while lifecycle owners tear down agents through `AgentHandle.dispose()`. No production caller needed bare `abort()`. +The public `Agent` handle exposed two overlapping ways to stop in-flight work: step-only `abort()` and queue-aware `cancel()`. The former preserved queued input while the latter clears queued and steering work and aborts the active turn. In production, ACP uses `cancel()` for `session/cancel`, while lifecycle owners tear down agents through `AgentHandle.dispose()`. No production caller needs a bare step-only abort. -The `abort()`/`cancel()` distinction is real — `abort()` preserves queued prompts and steering while `cancel()` drops them — but no shipping code called the public `abort()` verb. The loop's own stop paths (`cancel()` and disposal) abort the current `AbortController` directly rather than routing through `Agent.abort()`. Most tests that called `abort()` interrupt an empty queue and switch to `cancel(reason)`; the steering re-delivery test that deliberately depends on queue preservation drives the in-flight `AbortController` directly, because `cancel()` would drop the queued steering it is trying to prove survives a step abort. The no-argument `abort()` default reason (`'aborted'`) is deleted with the verb rather than preserved by accident; `cancel()` keeps its own `'cancelled'` default. +The behavioral distinction is real, but no shipping code needs the narrower operation. AgentLoop instead owns one private cancellation holder for the whole turn. `cancel(cause?)` carries a typed `user` or `parent` cause, defaults to `user`, and drops pending input; disposal remains a separate lifecycle interruption. The complete ownership and propagation contract lives in the [explicit turn cancellation RFC](../architecture/2026-07-16-explicit-turn-cancellation.md). The extra surface area made the loop carry a public verb that is mostly a teardown internal: `abort()` had to be documented as distinct from queue-aware cancellation even though a UI cancellation almost always wants the broader operation. ## Decision -`cancel()` is the only public *stop* primitive on `Agent`. Lifecycle owners use `AgentHandle.dispose()` to stop and unregister an agent; non-owners use `cancel()` to abandon current and queued work. The implementation keeps a private abort controller, but it is not part of the plugin-facing `Agent` contract. +`cancel()` is the only public *stop* primitive on `Agent`. Lifecycle owners use `AgentHandle.dispose()` to stop and unregister an agent; non-owners use `cancel()` to abandon current and queued work. The implementation keeps a private turn cancellation holder, but it is not part of the plugin-facing `Agent` contract. `whenIdle()` is **retained** as the public quiescence-observation primitive (resolve once the agent settles out of `running`, resolve immediately when already idle, await the loop exit when disposed). It is not a stop verb; it is how a non-owner observes the stop *completing* without disposing the agent. Its live consumers are ACP and agent tests that await settlement through this public seam (`packages/ui/acp/tests`, `packages/core/agent-loop/tests`); the production ACP bridge owns its agents and tears them down through `AgentHandle.dispose()`, so `packages/ui/acp/src` itself has no `whenIdle()` call. -Public `abort()` is deleted, with the tests that exercised it as standalone API and the docs that described step-only abort as an embedding feature. Empty-queue abort tests migrated to `cancel(reason)` where they still prove cancellation behavior; tests whose subject is the loop's internal `AbortController` drive that controller directly via an in-package typed cast to the private field; tests that only pinned the removed no-arg `abort()` default went with the method. The disposer remains async and still waits for the loop to stop. +Public `abort()` is absent, and the disposer remains async and waits for the loop to stop. Tests exercise cancellation through the public typed cause and explicit signal seams rather than reaching into the holder. ## Alternatives considered diff --git a/examples/acp-agent/tests/snapshots/cancel/session.jsonl b/examples/acp-agent/tests/snapshots/cancel/session.jsonl index 7b2f5adff1..2d1d940b73 100644 --- a/examples/acp-agent/tests/snapshots/cancel/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cancel/session.jsonl @@ -6,4 +6,4 @@ {"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"}}} +{"type":"turn/end","seq":7,"time":0,"data":{"turn":1,"reason":{"kind":"aborted"}}} diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index eb8a25d8b4..514ec43844 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -299,7 +299,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ { name: 'agent/prompt-submit', mode: 'waterfall', - signature: '\'agent/prompt-submit\'(this: Scoped, agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise): Promise', + signature: '\'agent/prompt-submit\'(this: Scoped, agent: Agent, content: ContentBlock[], source: MessageSource, signal: AbortSignal, next: () => Promise): Promise', summary: 'Allow, rewrite, or block one drained prompt before it becomes a user message.', }, { @@ -311,7 +311,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ { name: 'agent/request', mode: 'waterfall', - signature: '\'agent/request\'(this: Scoped, agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise): Promise', + signature: '\'agent/request\'(this: Scoped, agent: Agent, turn: number, step: number, config: LlmCallConfig, signal: AbortSignal, next: () => Promise): Promise', summary: 'Replace the frozen call configuration.', }, { @@ -335,19 +335,19 @@ export const EVENT_API: readonly EventApiEntry[] = [ { name: 'agent/step-result', mode: 'waterfall', - signature: '\'agent/step-result\'(this: Scoped, agent: Agent, turn: number, step: number, message: Message, next: () => Promise): Promise', + signature: '\'agent/step-result\'(this: Scoped, agent: Agent, turn: number, step: number, message: Message, signal: AbortSignal, next: () => Promise): Promise', summary: 'Waterfall: post-process the assembled assistant Message before tool dispatch (validation, content rewriting, …).', }, { name: 'agent/turn-continuation', mode: 'waterfall', - signature: '\'agent/turn-continuation\'(this: Scoped, agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise): Promise', + signature: '\'agent/turn-continuation\'(this: Scoped, agent: Agent, turn: number, defaultDecision: ContinuationDecision, signal: AbortSignal, next: () => Promise): Promise', summary: 'Override whether the turn continues.', }, { name: 'agent/turn-stop', mode: 'serial', - signature: '\'agent/turn-stop\'(this: Scoped, agent: Agent, turn: number): ContinuationStop | undefined', + signature: '\'agent/turn-stop\'(this: Scoped, agent: Agent, turn: number, signal: AbortSignal): Promise | ContinuationStop | undefined', summary: 'Monotonic terminal-stop checkpoint after continuation and steering are folded; a stop remains authoritative through turn close and flush: steering queued in that window is discarded, while ordinary sends survive.', }, { @@ -512,7 +512,11 @@ export const EVENT_API: readonly EventApiEntry[] = [ export const TYPE_API: readonly TypeApiEntry[] = [ { name: 'Agent', - declaration: 'export interface Agent {\n readonly id: AgentId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: SendOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n}', + declaration: 'export interface Agent {\n readonly id: AgentId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: SendOptions): void;\n cancel(cause?: AgentCancelCause): void;\n whenIdle(): Promise;\n}', + }, + { + name: 'AgentCancelCause', + declaration: 'export type AgentCancelCause = {\n readonly kind: \'user\';\n} | {\n readonly kind: \'parent\';\n};', }, { name: 'AgentExecution', @@ -572,7 +576,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [ }, { name: 'AssembleContext', - declaration: 'export interface AssembleContext {\n scope?: ScopeKey;\n}', + declaration: 'export interface AssembleContext {\n scope?: ScopeKey;\n signal?: AbortSignal;\n}', }, { name: 'AssembledSection', @@ -1064,7 +1068,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [ }, { name: 'TurnEndReasonMap', - declaration: 'export interface TurnEndReasonMap {\n completed: {\n kind: \'completed\';\n };\n aborted: {\n kind: \'aborted\';\n reason?: string;\n };\n error: {\n kind: \'error\';\n step: number;\n message: string;\n code?: string;\n };\n disposed: {\n kind: \'disposed\';\n };\n \'max-tokens\': {\n kind: \'max-tokens\';\n };\n rejected: {\n kind: \'rejected\';\n reason: string;\n };\n interrupted: {\n kind: \'interrupted\';\n };\n}', + declaration: 'export interface TurnEndReasonMap {\n completed: {\n kind: \'completed\';\n };\n aborted: {\n kind: \'aborted\';\n };\n error: {\n kind: \'error\';\n step: number;\n message: string;\n code?: string;\n };\n disposed: {\n kind: \'disposed\';\n };\n \'max-tokens\': {\n kind: \'max-tokens\';\n };\n rejected: {\n kind: \'rejected\';\n reason: string;\n };\n interrupted: {\n kind: \'interrupted\';\n };\n}', }, { name: 'TurnTrigger', diff --git a/packages/core/agent-loop/README.md b/packages/core/agent-loop/README.md index c961969edc..73162d6995 100644 --- a/packages/core/agent-loop/README.md +++ b/packages/core/agent-loop/README.md @@ -48,11 +48,13 @@ Configured agents start automatically. `cwd` applies only to fresh sessions; `re ### Loop lifecycle (`loop.ts`) -The driver owns one agent for its lifetime and runs inside `ctx.agentExecution.run({ agent }, ...)`, so process-local asynchronous continuations can recover the initiating Agent. Creation, persistence load, and unpublished setup stay outside the child boundary; explicit Agent fields remain authoritative at service, worker, process, persistence, and wire boundaries. The [execution-context package](../agent-execution/README.md) owns propagation and detached-work rules. +The driver owns one agent for its lifetime and runs inside `ctx.agentExecution.run({ agent }, ...)`, so process-local asynchronous continuations can recover the initiating Agent. The ALS frame contains only `{ agent }`: creation, persistence load, and unpublished setup stay outside the child boundary, while turn, step, signal, and other control state remain explicit at every seam. The [execution-context package](../agent-execution/README.md) owns propagation and detached-work rules. The loop records turn, step, request, stream, and tool boundaries in the session log; live extension events coordinate policy around those durable facts. The [architecture turn flow](../../../docs/architecture.md#turn-flow) and generated [event catalog](../../../docs/cordis-catalog/events.md) are the authoritative sequence and signatures. -Plugin failure ends the current turn, not the loop. Cancellation clears pending work and aborts the current step without leaking to the next prompt. Terminal continuation stops remain authoritative through turn close and durability flush. +Plugin failure ends the current turn, not the loop. The loop creates one private turn cancellation holder before announcing `running`, passes its single signal through prompt handling, prompt assembly, every step, model and tool execution, continuation, terminal stop, turn end, and durability flush, then discards it. A replacement prompt accepted after cancellation receives a fresh holder, while all work in the cancelled turn observes the first typed runtime cause. The durable turn outcome is only `aborted`; disposal is a separate runtime interrupt and wins classification even if cancellation reached the signal first. + +Cancellation is cooperative: the loop checks for interruption between awaited boundaries but does not abandon an in-process listener, adapter, or tool Promise with `Promise.race`. `whenIdle()` and handle disposal therefore observe real quiescence. See the [explicit turn cancellation RFC](../../../docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md). ### What belongs to plugins diff --git a/packages/core/agent-loop/src/agent.ts b/packages/core/agent-loop/src/agent.ts index 7194d6c7e8..b984e4bfa0 100644 --- a/packages/core/agent-loop/src/agent.ts +++ b/packages/core/agent-loop/src/agent.ts @@ -7,12 +7,13 @@ */ import type { Context } from 'cordis' -import { agentEvents } from '@deepseek-ai/dsh-agent' -import type { AgentId, AgentOptions, AgentStatus, SendOptions } from '@deepseek-ai/dsh-agent' +import { agentEvents, normalizeAgentCancelCause } from '@deepseek-ai/dsh-agent' +import type { AgentCancelCause, AgentId, AgentOptions, AgentStatus, SendOptions } from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import { deepFreeze } from '@deepseek-ai/dsh-llm' import type { ContentBlock, MessageSource } from '@deepseek-ai/dsh-llm' import { snapshotJsonValue, type Session } from '@deepseek-ai/dsh-session' +import { DISPOSED_INTERRUPT_REASON, TurnCancellation } from './cancellation.ts' import { Inbox, type InboxMessage } from './inbox.ts' import { isTurnOpen, lastTurnNumber, runLoop } from './loop.ts' @@ -91,7 +92,7 @@ export function bindReactLoopAgentContext(agent: ReactLoopAgent, ctx: Context): /** * The concrete {@link Agent} implementation owned by the agent-loop plugin. * - * Owns the inbox (queued + steering FIFOs), the per-step AbortController, and + * Owns the inbox (queued + steering FIFOs), one turn cancellation holder, and * the loop driver. Everything observable happens through session events and * the agent/* event taxonomy — plugins never need this class. */ @@ -116,21 +117,18 @@ export class ReactLoopAgent implements Agent { } private _status: AgentStatus = 'idle' - private currentAbort: AbortController | undefined + /** Active turn owner, installed before the running notification and retained through flush. */ + private turnCancellation: TurnCancellation | undefined /** Whether runLoop has been installed into {@link done}. */ private driverStarted = false /** Whether registry publication began and status disposal is externally visible. */ private published = false /** - * Turn-scoped cancel marker, set by {@link cancel} and read/cleared by the - * driver loop (via the LoopHandle) at every point a turn could start or - * continue. Armed ONLY when there is something to cancel (a running turn, an - * in-flight step, or queued/steering work), so an idle no-op cancel cannot - * leave it set to wrongly drop a later prompt. + * Cause-less marker for queued work cancelled before the driver installs a + * turn owner. It never represents an active turn and cannot leak a cause into + * replacement work. */ - private cancelRequested = false - /** Pending cancellation reason, preserved even outside an active step signal. */ - private cancelReason = 'cancelled' + private preRunCancelled = false private disposed: Promise private resolveDisposed!: () => void /** Resolves when the driver loop has fully exited (tests/disposal). */ @@ -272,24 +270,18 @@ export class ReactLoopAgent implements Agent { } } - cancel(reason?: string): void { - // Arm only for current work; an idle marker would cancel the next prompt. - if (this._status === 'running' || this.currentAbort !== undefined || this.#inbox.hasQueued || this.#inbox.hasSteering) { - this.cancelRequested = true - // Capture the resolved reason for the marker-only windows (pre-step / - // continuation). The mid-step path reads it from abort.signal.reason - // below; the marker path reads it via the LoopHandle's cancelReason(). - this.cancelReason = reason ?? 'cancelled' - } + cancel(cause?: AgentCancelCause): void { + // Validate before the idle no-op so misuse fails consistently in every state. + const accepted = normalizeAgentCancelCause(cause ?? { kind: 'user' }) + const active = this.turnCancellation + if (active === undefined && !this.#inbox.hasQueued && !this.#inbox.hasSteering) return + if (active === undefined) this.preRunCancelled = true + else active.request(accepted) // Drop all pending queued + steering work (un-started prompts never run; the // cancelled turn's steering is not re-enqueued). Cleared directly even when // the loop is parked in waitForQueued — there is no turn to stop and nothing // left for the parked loop to run, so no wake is needed. this.#inbox.clear() - // Interrupt an in-flight step immediately (the running turn observes the - // abort and ends `aborted`). The marker covers the windows where no step is - // running (pre-step, continuation). - this.currentAbort?.abort(reason ?? 'cancelled') } /** @@ -330,13 +322,20 @@ export class ReactLoopAgent implements Agent { this.done = this.loopCtx.agentExecution.run({ agent: this }, () => runLoop(this.loopCtx, this, { inbox: this.#inbox, setStatus: (status) => { this.setStatus(status) }, - setAbort: controller => void (this.currentAbort = controller), + installTurnCancellation: () => { + const cancellation = new TurnCancellation() + this.turnCancellation = cancellation + return cancellation + }, + clearTurnCancellation: (cancellation) => { + /* v8 ignore else -- the internal driver clears only the exact holder returned by its latest install */ + if (this.turnCancellation === cancellation) this.turnCancellation = undefined + }, disposed: this.disposed, isDisposed: () => this._status === 'disposed', - isCancelled: () => this.cancelRequested, - cancelReason: () => this.cancelReason, - clearCancel: () => { this.cancelRequested = false }, - // Pre-step cancellation re-parks without emitting a status transition. + isPreRunCancelled: () => this.preRunCancelled, + clearPreRunCancel: () => { this.preRunCancelled = false }, + // Pre-run cancellation re-parks without emitting a status transition. settleIdle: () => { this.settleIdleWaiters() }, })) } @@ -354,7 +353,7 @@ export class ReactLoopAgent implements Agent { // internal state that must settle even if a listener throws below. Each // waiter chains `done`, so it resolves only once the loop actually exits. this.settleIdleWaiters() - this.currentAbort?.abort('disposed') + this.turnCancellation?.request(DISPOSED_INTERRUPT_REASON) // An unpublished rollback has no public status lifecycle to announce. // Once publication begins, disposed is part of the agent/status contract. if (this.published) { diff --git a/packages/core/agent-loop/src/cancellation.ts b/packages/core/agent-loop/src/cancellation.ts new file mode 100644 index 0000000000..e4054d8262 --- /dev/null +++ b/packages/core/agent-loop/src/cancellation.ts @@ -0,0 +1,31 @@ +/** Turn-scoped cancellation ownership for the concrete AgentLoop driver. @module dsh-agent-loop/cancellation */ + +import type { AgentCancelCause } from '@deepseek-ai/dsh-agent' + +/** Stable runtime-only reason used when lifecycle teardown interrupts a turn. */ +export const DISPOSED_INTERRUPT_REASON = Object.freeze({ kind: 'disposed' } as const) + +/** + * Owns the single controller shared by every asynchronous boundary of one turn. + * The first request wins because a later caller must not rewrite the cause + * observed by earlier listeners. + */ +export class TurnCancellation { + readonly #controller = new AbortController() + + /** The explicit signal passed through this turn's execution boundaries. */ + get signal(): AbortSignal { + return this.#controller.signal + } + + /** + * Abort the turn once. + * @param reason - a validated caller cause or lifecycle disposal marker. + * @returns whether this request established the signal reason. + */ + request(reason: AgentCancelCause | typeof DISPOSED_INTERRUPT_REASON): boolean { + if (this.signal.aborted) return false + this.#controller.abort(reason) + return true + } +} diff --git a/packages/core/agent-loop/src/inbox.ts b/packages/core/agent-loop/src/inbox.ts index abb588b919..29de25e723 100644 --- a/packages/core/agent-loop/src/inbox.ts +++ b/packages/core/agent-loop/src/inbox.ts @@ -29,7 +29,7 @@ export class Inbox { return this.queuedMessages.length > 0 } - /** True while steering messages are pending — read by `cancel()`'s arm gate and the loop's stop-override check. */ + /** True while steering messages are pending — read by cancellation and the loop's stop-override check. */ get hasSteering(): boolean { return this.steeringMessages.length > 0 } diff --git a/packages/core/agent-loop/src/loop.ts b/packages/core/agent-loop/src/loop.ts index 15cc0aa410..9611a75823 100644 --- a/packages/core/agent-loop/src/loop.ts +++ b/packages/core/agent-loop/src/loop.ts @@ -6,9 +6,9 @@ */ import type { Context } from 'cordis' -import type { FinishReason, GenerateOptions, LlmCallConfig, Message } from '@deepseek-ai/dsh-llm' -import { BlockAssembler, HarnessError, deepFreeze } from '@deepseek-ai/dsh-llm' -import { agentEvents, assembleContextFor } from '@deepseek-ai/dsh-agent' +import type { FinishReason, GenerateOptions, LlmCallConfig, Message, TokenUsage } from '@deepseek-ai/dsh-llm' +import { assertNever, BlockAssembler, HarnessError, deepFreeze } from '@deepseek-ai/dsh-llm' +import { agentEvents, agentInterruptReasonOf, assembleContextFor } from '@deepseek-ai/dsh-agent' import type { AgentEventDispatch, ContinuationDecision, HookContext, PromptDecision } from '@deepseek-ai/dsh-agent' import { canonicalHeader } from '@deepseek-ai/dsh-session' import type { Session, TurnEndReason, TurnTrigger } from '@deepseek-ai/dsh-session' @@ -19,6 +19,7 @@ import type { PromptAssembly } from '@deepseek-ai/dsh-system-prompt' import type {} from '@deepseek-ai/dsh-tools' import type { ReactLoopAgent } from './agent.ts' import type { Inbox } from './inbox.ts' +import type { TurnCancellation } from './cancellation.ts' /** An Error with an optional machine-readable code (e.g., from LlmError or a throwing plugin). */ type CodedError = Error & { code?: string } @@ -68,21 +69,65 @@ function stepFinishReason(finish: FinishReason): TurnEndReason | undefined { } } +/** Internal control-flow sentinel; durable classification comes only from the turn signal. */ +const TURN_INTERRUPTED = new Error('turn interrupted') + +/** Stop at an explicit cooperative boundary without stringifying the runtime reason. */ +function interruptionCheckpoint(signal: AbortSignal): void { + if (signal.aborted) throw TURN_INTERRUPTED +} + +/** Classify a supported turn interruption, with lifecycle disposal taking precedence. */ +function interruptionTurnEndReason(handle: LoopHandle, signal: AbortSignal): TurnEndReason | undefined { + if (handle.isDisposed()) return { kind: 'disposed' } + const reason = agentInterruptReasonOf(signal) + if (reason === undefined) return undefined + switch (reason.kind) { + case 'user': + case 'parent': + return { kind: 'aborted' } + /* v8 ignore next 2 -- the private holder requests disposed only after lifecycle state flips, which returns above */ + case 'disposed': + return { kind: 'disposed' } + /* v8 ignore next 2 -- AgentInterruptReason is closed and the public helper filters unsupported reasons */ + default: + return assertNever(reason, 'AgentInterruptReason') + } +} + +/** Append the durable assembled assistant message when it carries content or usage. */ +function appendAssistantMessage( + session: Session, + turn: number, + step: number, + message: Message, + usage: TokenUsage | undefined, + chunkSeqs: number[], +): void { + if (message.content.length === 0 && usage === undefined) return + session.append( + 'assistant/message', + { turn, step, content: message.content, ...usage === undefined ? {} : { usage } }, + { surfaceOp: 'append', ...(chunkSeqs.length > 0 ? { sourceEventSeqs: chunkSeqs } : {}) }, + ) +} + /** Mutable agent controls supplied to the loop driver. */ export interface LoopHandle { /** Native-private agent inbox handed to the driver only at internal startup. */ readonly inbox: Inbox setStatus(status: 'idle' | 'running'): void - setAbort(controller: AbortController | undefined): void + /** Install a fresh active-turn owner before the running notification. */ + installTurnCancellation(): TurnCancellation + /** Clear only the exact owner whose turn and durability flush settled. */ + clearTurnCancellation(cancellation: TurnCancellation): void /** Resolves when the agent is disposed — unblocks the idle wait. */ disposed: Promise isDisposed(): boolean - /** Whether cancellation is pending for the current loop iteration. */ - isCancelled(): boolean - /** Resolved pending-cancellation reason; meaningful only while {@link isCancelled} is true. */ - cancelReason(): string - /** Clear the cancel marker (called once per iteration after the turn returns). */ - clearCancel(): void + /** Whether queued work was cancelled before an active turn owner existed. */ + isPreRunCancelled(): boolean + /** Clear the cause-less pre-run marker without affecting replacement work. */ + clearPreRunCancel(): void /** Settle idle waiters when pre-running cancellation skips a turn, without emitting `agent/status`. */ settleIdle(): void } @@ -92,7 +137,7 @@ export interface LoopHandle { * current turn without terminating the driver. * @param ctx - the plugin context the loop reaches events (agent/…, session/flush) and services (systemPrompt, llm, tools) through. * @param agent - the agent this invocation drives for its whole lifetime (its inbox, session, and options). - * @param handle - the bridge to the agent's mutable state: status/abort setters plus the disposal and cancel-marker reads. + * @param handle - the bridge to status, turn cancellation ownership, disposal, and pre-run cancellation state. */ export async function runLoop(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle): Promise { // Per-instance prefix and request-header state; conversation history remains in the session log. @@ -108,31 +153,38 @@ export async function runLoop(ctx: Context, agent: ReactLoopAgent, handle: LoopH // Cancellation between wake and `running` skips only the cancelled work; // a replacement prompt still runs and owns the eventual idle transition. - if (handle.isCancelled()) { - handle.clearCancel() + if (handle.isPreRunCancelled()) { + handle.clearPreRunCancel() if (!handle.inbox.hasQueued) { handle.settleIdle() continue } } + let cancellation = handle.installTurnCancellation() handle.setStatus('running') - // A synchronous `running` listener can cancel before `runTurn`; balance the - // status only when no replacement prompt was queued by that listener. - if (handle.isCancelled()) { - handle.clearCancel() + if (handle.isDisposed()) { + handle.clearTurnCancellation(cancellation) + break + } + + // A synchronous running listener may cancel old work and enqueue a + // replacement. The replacement receives a fresh, non-aborted turn owner. + if (cancellation.signal.aborted) { + handle.clearTurnCancellation(cancellation) if (!handle.inbox.hasQueued) { handle.setStatus('idle') continue } + cancellation = handle.installTurnCancellation() } // Idle injection can add a turn, so derive the next number from the log. const turn = lastTurnNumber(session) + 1 let terminalStopped = false try { - terminalStopped = await runTurn(ctx, events, agent, handle, turn, transmission) + terminalStopped = await runTurn(ctx, events, agent, handle, turn, transmission, cancellation.signal) } catch (error: unknown) { // Pre-turn failure has no durable boundary to close; report it without appending outside a turn. const err = toError(error) @@ -140,11 +192,10 @@ export async function runLoop(ctx: Context, agent: ReactLoopAgent, handle: LoopH try { events.emit('agent/error', turn, 0, err) } catch { /* contained: a throwing agent/error listener must not kill the driver */ } + } finally { + handle.clearTurnCancellation(cancellation) } - // Reset per iteration, including when a prompt arrives during the flush window. - handle.clearCancel() - // Late steering becomes queued input unless terminal policy stopped the turn. for (const message of handle.inbox.drainSteering()) { if (!terminalStopped) handle.inbox.enqueue(message) @@ -156,6 +207,7 @@ export async function runLoop(ctx: Context, agent: ReactLoopAgent, handle: LoopH async function runTurn( ctx: Context, events: AgentEventDispatch, agent: ReactLoopAgent, handle: LoopHandle, turn: number, transmission: TransmissionLog, + signal: AbortSignal, ): Promise { const { session } = agent @@ -202,6 +254,7 @@ async function runTurn( // matter what throws below; the catch + closeTurn guarantee it. A pre-commit // veto leaves no turn/start in the log and therefore owes no turn/end. session.append('turn/start', { turn, trigger }) + interruptionCheckpoint(signal) // Each drained queued message runs the `agent/prompt-submit` waterfall before // it becomes a `user/message` — a hook can rewrite the prompt or block it. // Recorded INSIDE the turn (after turn/start) so every event is turn-enclosed; @@ -215,9 +268,10 @@ async function runTurn( let lastBlockReason = 'prompt blocked by hook' for (const message of queued) { const decision = await events.waterfall( - 'agent/prompt-submit', message.content, message.source, + 'agent/prompt-submit', message.content, message.source, signal, () => Promise.resolve({ kind: 'allow' }), ) + interruptionCheckpoint(signal) if (decision.kind === 'block') { lastBlockReason = decision.reason // Record the veto durably: `PromptDecision.reason` is the durable record @@ -253,53 +307,28 @@ async function runTurn( // the request. drainSteering(agent, handle.inbox, turn) - // The step's AbortController exists BEFORE any async pre-step work so a - // dispose() or cancel() — in a synchronous turn-start listener or an - // async listener whose effect fires before we block — always has an armed - // abort to cancel against. isDisposed below covers disposal, which does - // NOT set the cancel marker. Cleared on every exit path below. - const abort = new AbortController() - handle.setAbort(abort) - // Assemble once before pre-step so pressure checks and the request share the same prompt. - const assembly = await ctx.systemPrompt.assemble(assembleContextFor(agent)) + const assembly = await ctx.systemPrompt.assemble(assembleContextFor(agent, signal)) + interruptionCheckpoint(signal) const fullSystemPrompt = renderPrompt(assembly) - // Cancellation or disposal during assembly ends the turn before any step opens. - if (handle.isCancelled() || handle.isDisposed()) { - handle.setAbort(undefined) - reason = handle.isDisposed() ? { kind: 'disposed' } : { kind: 'aborted', reason: handle.cancelReason() } - break - } - // Compose the request-only prefix once per loop instance before pressure // checks. It precedes all derived history and is recorded only in the // request header, not as session history. if (transmission.sessionPrefix === undefined) { const emptyPrefix: Message[] = deepFreeze([]) const composed = await events.waterfall( - 'agent/session-prefix', emptyPrefix, abort.signal, + 'agent/session-prefix', emptyPrefix, signal, () => Promise.resolve(emptyPrefix), ) - // Never cache an interrupted composition; the next turn recomposes it. - if (handle.isCancelled() || handle.isDisposed()) { - handle.setAbort(undefined) - reason = handle.isDisposed() ? { kind: 'disposed' } : { kind: 'aborted', reason: handle.cancelReason() } - break - } + interruptionCheckpoint(signal) transmission.sessionPrefix = deepFreeze(structuredClone(composed)) } // Await surface mutations outside the step; pressure checks receive the pending prefix. - await events.serial('agent/pre-step', turn, step, fullSystemPrompt, transmission.sessionPrefix, abort.signal) - - // Interruption landing during the pre-step seam: do not open an empty step. - if (handle.isCancelled() || handle.isDisposed()) { - handle.setAbort(undefined) - reason = handle.isDisposed() ? { kind: 'disposed' } : { kind: 'aborted', reason: handle.cancelReason() } - break - } + await events.serial('agent/pre-step', turn, step, fullSystemPrompt, transmission.sessionPrefix, signal) + interruptionCheckpoint(signal) // Snapshot the exact log prefix before step/start: the reconstruction // boundary. Appends after this synchronous snapshot join the next request. @@ -310,26 +339,15 @@ async function runTurn( // pre-commit veto throws before this assignment; post-commit observers // are contained inside Session.append(). stepOpen = true - - // Cancel landing in the step-start window: a synchronous `session/event` - // step/start listener can cancel after the step is already open. Check - // AFTER the step/start append and before `runStep`: drop the step, end the - // turn accordingly. closeStep balances the already-appended step/start. - if (handle.isCancelled() || handle.isDisposed()) { - handle.setAbort(undefined) - reason = handle.isDisposed() ? { kind: 'disposed' } : { kind: 'aborted', reason: handle.cancelReason() } - closeStep() - break - } + // A synchronous step/start observer can cancel after the step opened. + interruptionCheckpoint(signal) let stepOutcome: { hadToolCalls: boolean; finish: FinishReason } | { error: Error } try { stepOutcome = await runStep( - ctx, events, agent, turn, step, assembly, fullSystemPrompt, boundaryMessages, transmission, abort.signal) + ctx, events, agent, turn, step, assembly, fullSystemPrompt, boundaryMessages, transmission, signal) } catch (error: unknown) { stepOutcome = { error: toError(error) } - } finally { - handle.setAbort(undefined) } if ('error' in stepOutcome) { @@ -338,14 +356,9 @@ async function runTurn( // starts a fresh turn instead of being silently consumed. closeStep() const { error } = stepOutcome - if (handle.isDisposed()) { - reason = { kind: 'disposed' } - } else if (abort.signal.aborted) { - /* v8 ignore next -- signal.reason always set: cancel()/disposal provide a default */ - reason = { kind: 'aborted', reason: String(abort.signal.reason ?? 'aborted') } - } else { - failTurn(error) - } + const interruption = interruptionTurnEndReason(handle, signal) + if (interruption === undefined) failTurn(error) + else reason = interruption break } @@ -357,17 +370,20 @@ async function runTurn( const steered = drainSteering(agent, handle.inbox, turn) closeStep() + interruptionCheckpoint(signal) const defaultDecision: ContinuationDecision = { action: stepOutcome.hadToolCalls || steered ? 'continue' : 'stop' } let decision: ContinuationDecision try { decision = await events.waterfall( - 'agent/turn-continuation', turn, defaultDecision, + 'agent/turn-continuation', turn, defaultDecision, signal, () => Promise.resolve(defaultDecision), ) + interruptionCheckpoint(signal) } catch (error: unknown) { - // A broken continuation plugin ends the turn, not the loop. - failTurn(toError(error)) + const interruption = interruptionTurnEndReason(handle, signal) + if (interruption === undefined) failTurn(toError(error)) + else reason = interruption break } @@ -383,12 +399,13 @@ async function runTurn( // Terminal policy is monotonic and runs after ordinary continuation folding. let terminalStop = false try { - const stop = await events.serial('agent/turn-stop', turn) + const stop = await events.serial('agent/turn-stop', turn, signal) + interruptionCheckpoint(signal) terminalStop = stop !== undefined } catch (error: unknown) { - // A broken terminal policy is an ordinary continuation failure: fail - // this turn closed while leaving the driver alive for later turns. - failTurn(toError(error)) + const interruption = interruptionTurnEndReason(handle, signal) + if (interruption === undefined) failTurn(toError(error)) + else reason = interruption break } if (terminalStop) { @@ -398,12 +415,6 @@ async function runTurn( shouldContinue = false } - // The marker catches cancellation after the step controller was cleared. - if (handle.isCancelled()) { - reason = { kind: 'aborted', reason: handle.cancelReason() } - break - } - if (!shouldContinue || handle.isDisposed()) { /* v8 ignore next -- disposal during continuation-decision window is a narrow race; error-path disposal is covered elsewhere */ if (handle.isDisposed()) reason = { kind: 'disposed' } @@ -418,12 +429,9 @@ async function runTurn( const turnStartLogged = session.events.some(e => e.type === 'turn/start' && e.data.turn === turn) if (!turnStartLogged) throw error closeStep() - // Preserve an established disposal reason; otherwise report the failure. - if (handle.isDisposed() && !errorReported) { // eslint-disable-line @typescript-eslint/no-unnecessary-condition - reason = { kind: 'disposed' } - } else { - failTurn(toError(error)) - } + const interruption = interruptionTurnEndReason(handle, signal) + if (interruption === undefined) failTurn(toError(error)) + else reason = interruption closeTurn() } @@ -480,7 +488,8 @@ async function runStep( : { model: options.model ?? '' })) // Listener replacements are recorded in the request header before dispatch. - const config = await events.waterfall('agent/request', turn, step, seedConfig, () => Promise.resolve(seedConfig)) + const config = await events.waterfall('agent/request', turn, step, seedConfig, signal, () => Promise.resolve(seedConfig)) + interruptionCheckpoint(signal) if (!config.model) { throw new Error(`agent "${agent.id}" has no model: set AgentOptions.model or supply one via the agent/request waterfall`) } @@ -514,12 +523,12 @@ async function runStep( const assembler = new BlockAssembler() const chunkSeqs: number[] = [] for await (const chunk of ctx.llm.stream(request)) { - /* v8 ignore next -- signal.reason always set: cancel()/disposal provide a default */ - if (signal.aborted) throw new Error(String(signal.reason ?? 'aborted')) + interruptionCheckpoint(signal) const chunkEvent = session.append('assistant/chunk', { turn, step, chunk }) chunkSeqs.push(chunkEvent.seq) assembler.push(chunk) } + interruptionCheckpoint(signal) // Normalize failure finish chunks into the same path as thrown stream errors. const stepError = finishError(assembler.finish) @@ -527,39 +536,26 @@ async function runStep( if (assembler.finish.kind === 'max-tokens') { let message: Message = withoutToolCalls(assembler.message()) - message = withoutToolCalls(await events.waterfall('agent/step-result', turn, step, message, () => Promise.resolve(message))) + message = withoutToolCalls(await events.waterfall('agent/step-result', turn, step, message, signal, () => Promise.resolve(message))) + interruptionCheckpoint(signal) // Preserve usage even when max-token truncation produced no content. - if (message.content.length > 0 || assembler.usage) { - // The finish chunk guarantees non-empty provenance here. - session.append( - 'assistant/message', - { turn, step, content: message.content, ...(assembler.usage ? { usage: assembler.usage } : {}) }, - { surfaceOp: 'append', sourceEventSeqs: chunkSeqs }, - ) - } + appendAssistantMessage(session, turn, step, message, assembler.usage, chunkSeqs) return { hadToolCalls: false, finish: assembler.finish } } // Record the post-waterfall message that tool dispatch uses. let message: Message = assembler.message() - message = await events.waterfall('agent/step-result', turn, step, message, () => Promise.resolve(message)) + message = await events.waterfall('agent/step-result', turn, step, message, signal, () => Promise.resolve(message)) + interruptionCheckpoint(signal) - // Empty messages exist only to carry usage; omit empty provenance. - if (message.content.length > 0 || assembler.usage) { - session.append( - 'assistant/message', - { turn, step, content: message.content, ...(assembler.usage ? { usage: assembler.usage } : {}) }, - { surfaceOp: 'append', ...(chunkSeqs.length > 0 ? { sourceEventSeqs: chunkSeqs } : {}) }, - ) - } + appendAssistantMessage(session, turn, step, message, assembler.usage, chunkSeqs) // Tool execution stays sequential; recheck abort around each normalized result. const toolCalls = message.content.filter(block => block.type === 'tool-call') // Buffer context until all results are appended to preserve call/result adjacency. const pendingContext: HookContext[] = [] for (const call of toolCalls) { - /* v8 ignore next -- signal.reason always set: cancel()/disposal provide a default */ - if (signal.aborted) throw new Error(String(signal.reason ?? 'aborted')) + interruptionCheckpoint(signal) const callEvent = session.append('tool/call', { turn, step, callId: call.id, name: call.name, arguments: call.arguments }) let parsedArguments: unknown try { @@ -588,11 +584,7 @@ async function runStep( ...result.meta !== undefined ? { meta: result.meta } : {}, }, { surfaceOp: 'append', sourceEventSeqs: [callEvent.seq] }) if (result.additionalContext) pendingContext.push(result.additionalContext) - // The signal may flip while the tool is awaited. - /* v8 ignore start -- signal.reason default unreachable: cancel()/disposal always set it */ - // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition - if (signal.aborted) throw new Error(String(signal.reason ?? 'aborted')) - /* v8 ignore stop */ + interruptionCheckpoint(signal) } // Append buffered context after the complete result batch. diff --git a/packages/core/agent-loop/tests/agent-execution.spec.ts b/packages/core/agent-loop/tests/agent-execution.spec.ts index 98cebcbc97..c33fec7432 100644 --- a/packages/core/agent-loop/tests/agent-execution.spec.ts +++ b/packages/core/agent-loop/tests/agent-execution.spec.ts @@ -146,6 +146,82 @@ describe('AgentLoop execution context', () => { await ctx.fiber.dispose() }) + it('keeps ALS identity minimal while one explicit signal spans each turn seam', async () => { + const adapter = new MockAdapter([ + toolCallResponse('observe-call', 'observe', {}), + textResponse('first done'), + textResponse('second done'), + ]) + const { ctx } = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('signal-owner'), { model: 'mock' }) + let signals: AbortSignal[] = [] + const capture = (signal: AbortSignal | undefined): void => { + if (signal === undefined) throw new Error('turn seam omitted its explicit signal') + const execution = ctx.agentExecution.require() + expect(Object.keys(execution)).toEqual(['agent']) + expect(execution.agent).toBe(agent) + signals.push(signal) + } + + ctx.on('system-prompt/assemble', async (_assembly, context, next) => { + if (context.agent === agent) capture(context.signal) + return next() + }) + ctx.on('agent/prompt-submit', async (subject, _content, _source, signal, next) => { + if (subject === agent) capture(signal) + return next() + }) + ctx.on('agent/session-prefix', async (subject, _prefix, signal, next) => { + if (subject === agent) capture(signal) + return next() + }) + ctx.on('agent/pre-step', (subject, _turn, _step, _system, _prefix, signal) => { + if (subject === agent) capture(signal) + }) + ctx.on('agent/request', async (subject, _turn, _step, _config, signal, next) => { + if (subject === agent) capture(signal) + return next() + }) + ctx.on('agent/step-result', async (subject, _turn, _step, _message, signal, next) => { + if (subject === agent) capture(signal) + return next() + }) + ctx.on('agent/turn-continuation', async (subject, _turn, _decision, signal, next) => { + if (subject === agent) capture(signal) + return next() + }) + ctx.on('agent/turn-stop', (subject, _turn, signal) => { + if (subject === agent) capture(signal) + }) + ctx.tools.register(defineTool({ + name: 'observe', + description: 'observe explicit turn state', + parameters: {}, + execute: async (_args, exec) => { + capture(exec.signal) + return [{ type: 'text', text: 'observed' }] + }, + })) + + const firstIdle = waitForIdle(ctx, agent) + send(agent, 'first') + await firstIdle + const firstSignal = signals[0] + expect(firstSignal).toBeDefined() + expect(new Set([...signals, ...adapter.requests.slice(0, 2).map(request => request.signal!)])).toEqual(new Set([firstSignal])) + + signals = [] + const secondIdle = waitForIdle(ctx, agent) + send(agent, 'second') + await secondIdle + const secondSignal = signals[0] + expect(secondSignal).toBeDefined() + expect(new Set([...signals, adapter.requests[2]!.signal!])).toEqual(new Set([secondSignal])) + expect(secondSignal).not.toBe(firstSignal) + expect(ctx.agentExecution.current()).toBeUndefined() + await ctx.fiber.dispose() + }) + it('keeps child setup under the parent boundary, switches for the child driver, then restores the parent', async () => { const adapter = new MockAdapter([ toolCallResponse('spawn', 'spawn-child', {}), diff --git a/packages/core/agent-loop/tests/agent.spec.ts b/packages/core/agent-loop/tests/agent.spec.ts index bcc31a6172..defb913d44 100644 --- a/packages/core/agent-loop/tests/agent.spec.ts +++ b/packages/core/agent-loop/tests/agent.spec.ts @@ -329,7 +329,7 @@ describe('ReactLoopAgent', () => { expect(settled).toBe(false) await waitForStatus(ctx, agent, 'running') - agent.cancel('done') + agent.cancel({ kind: 'user' }) await idle expect(settled).toBe(true) expect(agent.status).toBe('idle') diff --git a/packages/core/agent-loop/tests/cancel.spec.ts b/packages/core/agent-loop/tests/cancel.spec.ts index 7568ba0765..0dbac6fce6 100644 --- a/packages/core/agent-loop/tests/cancel.spec.ts +++ b/packages/core/agent-loop/tests/cancel.spec.ts @@ -1,9 +1,8 @@ /** * Tests for the queue-aware `Agent.cancel()` primitive. `cancel()` is the broad verb — it - * clears queued + steering work, aborts an in-flight step, and drops a turn about to start — - * whereas a bare step abort (the loop's private `AbortController`) kills only the current step - * and leaves the queue intact. The suite covers every landing window plus marker - * reset and `whenIdle()` quiescence. + * clears queued + steering work, aborts the active turn, and drops work not yet claimed by the + * driver without leaking cancellation into a replacement prompt. The suite covers every landing + * window plus marker reset and `whenIdle()` quiescence. * @module dsh-agent-loop/tests/cancel */ @@ -12,11 +11,11 @@ import { Context } from 'cordis' import LlmService, { type Message } from '@deepseek-ai/dsh-llm' import SessionStore, { SessionId, TurnEndReason } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry from '@deepseek-ai/dsh-tools' +import ToolRegistry, { defineTool } from '@deepseek-ai/dsh-tools' import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' import AgentExecutionProvider from '@deepseek-ai/dsh-agent-execution' import AgentLoop, { ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' -import { MockAdapter, textResponse } from './mock-adapter.ts' +import { MockAdapter, textResponse, toolCallResponse } from './mock-adapter.ts' async function harness(adapter: MockAdapter) { const ctx = new Context() @@ -60,7 +59,7 @@ describe('Agent.cancel()', () => { // The loop is parked at the idle wait with nothing queued. A cancel here must // NOT arm the marker — otherwise the next legitimate prompt would be dropped. - agent.cancel('nothing to cancel') + agent.cancel({ kind: 'user' }) send(agent, 'real prompt') await waitForIdle(ctx, agent) @@ -78,7 +77,7 @@ describe('Agent.cancel()', () => { // send() queues synchronously (status still idle, loop microtask not yet // resumed). Cancel in that pre-step window: the queued turn must not run. send(agent, 'drop me') - agent.cancel('pre-step') + agent.cancel({ kind: 'user' }) // Give the loop a chance to wake and process the cancel. await new Promise(r => setTimeout(r, 30)) @@ -98,7 +97,7 @@ describe('Agent.cancel()', () => { // drops the turn before it runs; the skip path must settle it directly. send(agent, 'q') const idle = agent.whenIdle() - agent.cancel('pre-step') + agent.cancel({ kind: 'user' }) // Must resolve (not hang). A timeout makes the failure a clear test failure. await Promise.race([ @@ -119,13 +118,13 @@ describe('Agent.cancel()', () => { send(agent, 'go') await new Promise(r => setTimeout(r, 30)) expect(agent.status).toBe('running') - agent.cancel('mid-step') + agent.cancel({ kind: 'user' }) await waitForIdle(ctx, agent) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'mid-step' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) - it('cancel() with no reason defaults to "cancelled" when aborting an in-flight step', async () => { + it('cancel() with no cause defaults to user when aborting an active turn', async () => { const adapter = new MockAdapter(['hang']) const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) @@ -135,10 +134,10 @@ describe('Agent.cancel()', () => { send(agent, 'go') await new Promise(r => setTimeout(r, 30)) - agent.cancel() // no reason → default 'cancelled' + agent.cancel() await waitForIdle(ctx, agent) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'cancelled' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) it('a prompt sent AFTER a cancelled turn settles runs normally (marker reset)', async () => { @@ -149,7 +148,7 @@ describe('Agent.cancel()', () => { // First turn hangs; cancel it mid-step. send(agent, 'first') await new Promise(r => setTimeout(r, 30)) - agent.cancel('cancel first') + agent.cancel({ kind: 'user' }) await waitForIdle(ctx, agent) // The marker must have been reset after the cancelled turn — a fresh prompt @@ -174,7 +173,7 @@ describe('Agent.cancel()', () => { let streamed = false ctx.on('session/event', (_s, event) => { if (event.type === 'assistant/chunk') streamed = true }) ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next) => { - agent.cancel('from prefix composition') + agent.cancel({ kind: 'user' }) return next() }) @@ -185,7 +184,7 @@ describe('Agent.cancel()', () => { await waitForIdle(ctx, agent) expect(streamed).toBe(false) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'from prefix composition' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) it('disposal from inside the agent/session-prefix waterfall ends the turn disposed (prefix-composition window)', async () => { @@ -239,7 +238,7 @@ describe('Agent.cancel()', () => { ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise => { compositions += 1 if (compositions === 1) { - agent.cancel('mid-composition') + agent.cancel({ kind: 'user' }) return next() } return [opener, ...await next()] @@ -262,12 +261,11 @@ describe('Agent.cancel()', () => { const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) - // A turn/start listener fires before a step controller exists, so the - // turn-scoped marker—not step abort—must drop the pending step. + // The turn holder is already installed when turn/start is appended. let streamed = false ctx.on('session/event', (_s, event) => { if (event.type === 'assistant/chunk') streamed = true }) const dispose = ctx.on('session/event', (session, event) => { - if (session === agent.session && event.type === 'turn/start') agent.cancel('from turn-start') + if (session === agent.session && event.type === 'turn/start') agent.cancel({ kind: 'user' }) }) const reasons: TurnEndReason[] = [] @@ -277,11 +275,9 @@ describe('Agent.cancel()', () => { await waitForIdle(ctx, agent) dispose() - // No step streamed (the model never ran), and the turn ended aborted with - // the CALLER's reason — the marker carries `cancel(reason)` through even - // though no AbortController observed it in this window. + // The turn closes as aborted after its single cancellation holder fires. expect(streamed).toBe(false) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'from turn-start' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) it('cancel from a synchronous step/start session-event listener drops the step (post-step-start window)', async () => { @@ -296,7 +292,7 @@ describe('Agent.cancel()', () => { let streamed = false ctx.on('session/event', (_s, event) => { if (event.type === 'assistant/chunk') streamed = true }) const dispose = ctx.on('session/event', (session, event) => { - if (session === agent.session && event.type === 'step/start') agent.cancel('from step-start') + if (session === agent.session && event.type === 'step/start') agent.cancel({ kind: 'user' }) }) const reasons: TurnEndReason[] = [] @@ -309,7 +305,7 @@ describe('Agent.cancel()', () => { // No step streamed, the turn ended aborted with the caller's reason, and the // log is balanced (the open step was closed by the cancel branch). expect(streamed).toBe(false) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'from step-start' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) const types = agent.session.events.map(e => e.type) expect(types.filter(t => t === 'step/start').length).toBe(types.filter(t => t === 'step/end').length) }) @@ -353,10 +349,8 @@ describe('Agent.cancel()', () => { }) it('cancel during the continuation window ends the turn aborted and runs no further step', async () => { - // A continuation-waterfall listener cancels DURING the continuation decision - // (the finished step's AbortController is already cleared), and votes to - // continue — but the turn-scoped marker checked right after must end the turn - // `aborted` and run NO second step. + // A continuation-waterfall listener cancels during the continuation decision + // and votes to continue, but the turn signal remains authoritative. const adapter = new MockAdapter([textResponse('one'), textResponse('two')]) const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) @@ -369,11 +363,11 @@ describe('Agent.cancel()', () => { }) let continued = false - ctx.on('agent/turn-continuation', async (subject, _turn, _default, next) => { + ctx.on('agent/turn-continuation', async (subject, _turn, _default, _signal, next) => { if (subject === agent && !continued) { continued = true - agent.cancel('from continuation') - return { action: 'continue' as const } // vote to continue — the post-waterfall marker check must override + agent.cancel({ kind: 'user' }) + return { action: 'continue' as const } } return next() }) @@ -381,11 +375,9 @@ describe('Agent.cancel()', () => { send(agent, 'go') await waitForIdle(ctx, agent) - // Only ONE step ran (the second was cancelled in the continuation window), - // and the turn ended aborted with the CALLER's reason (carried by the - // marker, since the finished step's AbortController was already cleared). + // Only one step ran and the turn ended with the coarse aborted outcome. expect(steps).toBe(1) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'from continuation' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) it('cancel from a synchronous agent/status(running) listener drops the turn (window 2)', async () => { @@ -398,7 +390,7 @@ describe('Agent.cancel()', () => { let streamed = false ctx.on('session/event', (_s, event) => { if (event.type === 'assistant/chunk') streamed = true }) const dispose = ctx.on('agent/status', (subject, status) => { - if (subject === agent && status === 'running') agent.cancel('from running listener') + if (subject === agent && status === 'running') agent.cancel({ kind: 'user' }) }) send(agent, 'go') @@ -411,6 +403,33 @@ describe('Agent.cancel()', () => { expect(agent.session.events.some(e => e.type === 'turn/start')).toBe(false) }) + it('disposal from a synchronous running listener stops before opening a turn', async () => { + const adapter = new MockAdapter([textResponse('should not stream')]) + const ctx = await harness(adapter) + const handle = await ctx.agents.create({ + agentId: AgentId('dispose-running-listener'), + sessionId: SessionId('dispose-running-listener-session'), + agentOptions: { model: 'mock' }, + }) + const { agent } = handle + let disposalDone: Promise | undefined + const disposalStarted = Promise.withResolvers() + ctx.on('agent/status', (subject, status) => { + if (subject === agent && status === 'running') { + disposalDone = handle.dispose() + disposalStarted.resolve(undefined) + } + }) + + agent.send([{ type: 'text', text: 'go' }]) + await disposalStarted.promise + await disposalDone + + expect(agent.status).toBe('disposed') + expect(agent.session.events.some(event => event.type === 'turn/start')).toBe(false) + expect(adapter.requests).toHaveLength(0) + }) + it('window 2: whenIdle() does NOT resolve early when a running listener cancels then queues replacement work', async () => { // Cancellation must not settle idle while replacement work remains queued. const adapter = new MockAdapter([textResponse('A reply'), textResponse('B reply')]) @@ -421,7 +440,7 @@ describe('Agent.cancel()', () => { const dispose = ctx.on('agent/status', (subject, status) => { if (subject !== agent || status !== 'running' || replaced) return replaced = true - agent.cancel('drop A') + agent.cancel({ kind: 'user' }) send(agent, 'B') }) @@ -446,7 +465,7 @@ describe('Agent.cancel()', () => { send(agent, 'A') // queues A (status still idle, loop microtask pending) const idle = agent.whenIdle() // registers a waiter (idle + hasQueued → no fast path) - agent.cancel('drop A') // arms marker, clears A + agent.cancel({ kind: 'user' }) // arms marker, clears A send(agent, 'B') // B races in before the loop resumes // whenIdle() must resolve only after B's turn fully ran — by which point B's user message @@ -469,7 +488,7 @@ describe('Agent.cancel()', () => { // Steer (joins the running turn's steering FIFO), then cancel: the steering // must be dropped, NOT re-enqueued as a new queued turn. agent.steer([{ type: 'text', text: 'steer text' }]) - agent.cancel('cancel with steering') + agent.cancel({ kind: 'user' }) await waitForIdle(ctx, agent) // After the cancelled turn settles, the agent is idle with NO follow-up turn @@ -485,4 +504,169 @@ describe('Agent.cancel()', () => { .flatMap(b => b.type === 'text' ? [b.text] : []) expect(flat).not.toContain('steer text') }) + + it('keeps the first typed cause for an active turn and detaches the runtime reason', async () => { + const adapter = new MockAdapter(['hang']) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('typed-first-wins'), { model: 'mock' }) + const supplied: { kind: 'parent' | 'user' } = { kind: 'parent' } + + send(agent, 'go') + await new Promise(resolve => setTimeout(resolve, 30)) + agent.cancel(supplied) + supplied.kind = 'user' + agent.cancel({ kind: 'user' }) + await waitForIdle(ctx, agent) + + const runtimeReason: unknown = adapter.requests[0]?.signal?.reason + expect(runtimeReason).toEqual({ kind: 'parent' }) + expect(runtimeReason).not.toBe(supplied) + expect(Object.isFrozen(runtimeReason)).toBe(true) + const turnEnd = agent.session.events.findLast(event => event.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) + }) + + it('rejects invalid causes synchronously while idle and running', async () => { + class Cause { + readonly kind = 'user' + } + const adapter = new MockAdapter(['hang']) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('invalid-cause'), { model: 'mock' }) + const controller = new AbortController() + const invalid: unknown[] = [ + 'user', + { kind: 'timeout' }, + { kind: 'user', detail: 'extra' }, + new Error('cancelled'), + controller.signal, + new Cause(), + ] + for (const value of invalid) expect(() => { agent.cancel(value as never) }).toThrow(TypeError) + + send(agent, 'go') + await new Promise(resolve => setTimeout(resolve, 30)) + for (const value of invalid) expect(() => { agent.cancel(value as never) }).toThrow(TypeError) + expect(agent.status).toBe('running') + agent.cancel() + await waitForIdle(ctx, agent) + }) + + it('records disposed when lifecycle teardown races an already-requested cancel', async () => { + const adapter = new MockAdapter(['hang']) + const ctx = await harness(adapter) + const handle = await ctx.agents.create({ + agentId: AgentId('cancel-dispose-race'), + sessionId: SessionId('cancel-dispose-race-session'), + agentOptions: { model: 'mock' }, + }) + const agent = handle.agent + + agent.send([{ type: 'text', text: 'go' }]) + await new Promise(resolve => setTimeout(resolve, 30)) + agent.cancel({ kind: 'user' }) + await handle.dispose() + + const turnEnd = agent.session.events.findLast(event => event.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'disposed' }) + }) + + it.each([ + 'prompt-submit', + 'system-prompt', + 'session-prefix', + 'pre-step', + 'request', + 'step-result', + 'turn-continuation', + 'turn-stop', + 'tool', + ] as const)('lets a cooperative %s boundary settle from the explicit turn signal', async (stage) => { + const adapter = new MockAdapter(stage === 'tool' + ? [toolCallResponse('blocked-tool', 'blocked', {})] + : [textResponse('done')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId(`cooperative-${stage}`), { model: 'mock' }) + const started = Promise.withResolvers() + const blockUntilAbort = async (signal: AbortSignal): Promise => { + started.resolve(undefined) + if (signal.aborted) return + await new Promise((resolve) => { + signal.addEventListener('abort', () => { resolve() }, { once: true }) + }) + } + + switch (stage) { + case 'prompt-submit': + ctx.on('agent/prompt-submit', async (subject, _content, _source, signal, next) => { + if (subject === agent) await blockUntilAbort(signal) + return next() + }) + break + case 'system-prompt': + ctx.on('system-prompt/assemble', async (_assembly, context, next) => { + if (context.agent === agent) { + if (context.signal === undefined) throw new Error('turn assembly omitted its signal') + await blockUntilAbort(context.signal) + } + return next() + }) + break + case 'session-prefix': + ctx.on('agent/session-prefix', async (subject, _prefix, signal, next) => { + if (subject === agent) await blockUntilAbort(signal) + return next() + }) + break + case 'pre-step': + ctx.on('agent/pre-step', async (subject, _turn, _step, _system, _prefix, signal) => { + if (subject === agent) await blockUntilAbort(signal) + }) + break + case 'request': + ctx.on('agent/request', async (subject, _turn, _step, _config, signal, next) => { + if (subject === agent) await blockUntilAbort(signal) + return next() + }) + break + case 'step-result': + ctx.on('agent/step-result', async (subject, _turn, _step, _message, signal, next) => { + if (subject === agent) await blockUntilAbort(signal) + return next() + }) + break + case 'turn-continuation': + ctx.on('agent/turn-continuation', async (subject, _turn, _decision, signal, next) => { + if (subject === agent) await blockUntilAbort(signal) + return next() + }) + break + case 'turn-stop': + ctx.on('agent/turn-stop', async (subject, _turn, signal) => { + if (subject === agent) await blockUntilAbort(signal) + }) + break + case 'tool': + ctx.tools.register(defineTool({ + name: 'blocked', + description: 'wait for cancellation', + parameters: {}, + execute: async (_args, exec) => { + if (exec.signal === undefined) throw new Error('tool execution omitted its signal') + await blockUntilAbort(exec.signal) + return [{ type: 'text', text: 'cancelled' }] + }, + })) + break + } + + send(agent, 'go') + await started.promise + const idle = waitForIdle(ctx, agent) + agent.cancel({ kind: 'user' }) + await idle + const turnEnd = agent.session.events.findLast(event => event.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) + await ctx.fiber.dispose() + }) }) diff --git a/packages/core/agent-loop/tests/contract-regressions.spec.ts b/packages/core/agent-loop/tests/contract-regressions.spec.ts index 70528a7b0b..bd959e870d 100644 --- a/packages/core/agent-loop/tests/contract-regressions.spec.ts +++ b/packages/core/agent-loop/tests/contract-regressions.spec.ts @@ -59,7 +59,7 @@ describe('session log records what agent/step-result actually produced', () => { // Plugin rewrites the message: replaces the text AND adds a tool call. let rewritten = false - ctx.on('agent/step-result', async (_agent, _turn, _step, _message, next) => { + ctx.on('agent/step-result', async (_agent, _turn, _step, _message, _signal, next) => { if (rewritten) return next() rewritten = true return { @@ -92,7 +92,7 @@ describe('session log records what agent/step-result actually produced', () => { }) describe('abort during tool execution ends the turn', () => { - it('aborting the in-flight step inside a tool prevents both remaining tools and the next model step', async () => { + it('cancelling the active turn inside a tool prevents both remaining tools and the next model step', async () => { const adapter = new MockAdapter([ // model asks for two tool calls in one step [ @@ -113,11 +113,7 @@ describe('abort during tool execution ends the turn', () => { parameters: {}, async execute() { executed.push('aborter') - // Fire the in-flight step's AbortController directly (the loop registers - // it on the agent). This is the bare step-abort path — distinct from - // cancel(), which would also clear the inbox; here the subject is the - // loop's response to its running step being aborted mid-tool. - ;(agent as unknown as { currentAbort?: AbortController }).currentAbort?.abort('user interrupt') + agent.cancel({ kind: 'user' }) return [{ type: 'text', text: 'done' }] }, })) @@ -139,7 +135,7 @@ describe('abort during tool execution ends the turn', () => { expect(executed).toEqual(['aborter']) // second tool never ran expect(adapter.requests).toHaveLength(1) // no follow-up model call - expect(reasons).toEqual([{ kind: 'aborted', reason: 'user interrupt' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) }) @@ -153,7 +149,7 @@ describe('steering from late extension points is never stranded', () => { const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) let steeredOnce = false - ctx.on('agent/turn-continuation', async (_agent, _turn, _decision, next) => { + ctx.on('agent/turn-continuation', async (_agent, _turn, _decision, _signal, next) => { if (!steeredOnce) { steeredOnce = true agent.steer([{ type: 'text', text: 'one more thing' }]) @@ -227,25 +223,19 @@ describe('steering from late extension points is never stranded', () => { expect(JSON.stringify(adapter.requests[1]!.messages)).toContain('too late for this turn') }) - it('steering queued during an aborted step is re-delivered, not silently consumed', async () => { - const adapter = new MockAdapter(['hang', textResponse('recovered')]) + it('steering queued before turn cancellation is discarded with the cancelled work', async () => { + const adapter = new MockAdapter(['hang']) const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) send(agent, 'go') await new Promise(r => setTimeout(r, 30)) agent.steer([{ type: 'text', text: 'redirect' }]) - // Abort ONLY the in-flight step, via its AbortController directly — NOT - // cancel(), which clears the inbox and would drop the queued steering this - // test proves survives a step abort. There is no public step-only abort - // verb (cancel() is the only public stop primitive), so reach the private - // controller the loop registered. - ;(agent as unknown as { currentAbort?: AbortController }).currentAbort?.abort('user interrupt') + agent.cancel({ kind: 'user' }) await waitForIdle(ctx, agent) - // a new turn ran with the steering content delivered as a message - expect(adapter.requests).toHaveLength(2) - expect(JSON.stringify(adapter.requests[1]!.messages)).toContain('redirect') + expect(adapter.requests).toHaveLength(1) + expect(JSON.stringify(agent.session.events)).not.toContain('redirect') }) }) @@ -383,7 +373,7 @@ describe('adapter registration, routing, and accepted-input ownership', () => { const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), {}) // no model — router plugin decides - ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => { + ctx.on('agent/request', async (_agent, _turn, _step, config, _signal, _next) => { return { ...config, model: 'mock' } }) @@ -843,7 +833,7 @@ describe('turn and step boundary recovery', () => { it('disposal during a running turn ends the turn with reason disposed (balanced)', async () => { // The 'hang' adapter blocks in stream() until the signal aborts; disposing - // the agent's fiber mid-turn aborts the in-flight step. The turn must close + // the agent's fiber mid-turn aborts the active turn. The turn must close // balanced with reason disposed (no error event for a disposal). const adapter = new MockAdapter(['hang']) const ctx = await balancedHarness(adapter) @@ -1085,7 +1075,7 @@ describe('surface: assistant/message omits sourceEventSeqs when no chunks stream await ctx.plugin(Invariants) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) - ctx.on('agent/step-result', async (_agent, _turn, _step, _message, _next) => ({ + ctx.on('agent/step-result', async (_agent, _turn, _step, _message, _signal, _next) => ({ role: 'assistant' as const, content: [{ type: 'text' as const, text: 'injected' }], })) @@ -1190,7 +1180,7 @@ describe('disposal and cancellation during pre-step assembly', () => { send(agent, 'go') await new Promise(r => setTimeout(r, 50)) - agent.cancel('user cancelled during assembly') + agent.cancel({ kind: 'user' }) releaseAssemble() await waitForIdle(ctx, agent) @@ -1202,15 +1192,12 @@ describe('disposal and cancellation during pre-step assembly', () => { expect(e.filter(x => x.type === 'turn/start')).toHaveLength(1) expect(e.filter(x => x.type === 'turn/end')).toHaveLength(1) const turnEnd = e.findLast(x => x.type === 'turn/end') - expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ - kind: 'aborted', - reason: 'user cancelled during assembly', - }) + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) expect(e.some(x => x.type === 'step/start')).toBe(false) expect(e.some(x => x.type === 'assistant/chunk')).toBe(false) expect(e.some(x => x.type === 'assistant/message')).toBe(false) expect(adapter.requests).toHaveLength(0) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'user cancelled during assembly' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) it('disposal during agent/pre-step seam ends the turn disposed', { timeout: 15000 }, async () => { @@ -1297,7 +1284,7 @@ describe('disposal and cancellation during pre-step assembly', () => { send(agent, 'go') await new Promise(r => setTimeout(r, 30)) - agent.cancel('user cancelled') + agent.cancel({ kind: 'user' }) releasePreStep() await waitForIdle(ctx, agent) @@ -1308,10 +1295,10 @@ describe('disposal and cancellation during pre-step assembly', () => { expect(e.filter(x => x.type === 'turn/start')).toHaveLength(1) expect(e.filter(x => x.type === 'turn/end')).toHaveLength(1) const turnEnd = e.findLast(x => x.type === 'turn/end') - expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted', reason: 'user cancelled' }) + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) expect(e.some(x => x.type === 'step/start')).toBe(false) expect(e.some(x => x.type === 'assistant/chunk')).toBe(false) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'user cancelled' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) it('disposal during assembly does not leak an LLM call or append assistant/chunk', { timeout: 15000 }, async () => { diff --git a/packages/core/agent-loop/tests/coverage-edges.spec.ts b/packages/core/agent-loop/tests/coverage-edges.spec.ts index 8c0884d0fa..a118d3a24e 100644 --- a/packages/core/agent-loop/tests/coverage-edges.spec.ts +++ b/packages/core/agent-loop/tests/coverage-edges.spec.ts @@ -157,7 +157,7 @@ describe('toError normalization', () => { const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) let threwOnce = false - ctx.on('agent/request', async (_agent, _turn, _step, _options, _next) => { + ctx.on('agent/request', async (_agent, _turn, _step, _options, _signal, _next) => { if (!threwOnce) { threwOnce = true throw { code: 500 } // non-Error throw, goes through runStep catch @@ -185,7 +185,7 @@ describe('coded error data emission', () => { const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) let threwOnce = false - ctx.on('agent/request', async (_agent, _turn, _step, _options, next) => { + ctx.on('agent/request', async (_agent, _turn, _step, _options, _signal, next) => { if (!threwOnce) { threwOnce = true throw new LlmError('server overloaded', 'RATE_LIMIT') diff --git a/packages/core/agent-loop/tests/interception.spec.ts b/packages/core/agent-loop/tests/interception.spec.ts index 0c8f52c6c4..9aa3e7dcbf 100644 --- a/packages/core/agent-loop/tests/interception.spec.ts +++ b/packages/core/agent-loop/tests/interception.spec.ts @@ -62,7 +62,7 @@ describe('agent/prompt-submit', () => { const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) const seen: string[] = [] - ctx.on('agent/prompt-submit', async (_agent, content, _source, next) => { + ctx.on('agent/prompt-submit', async (_agent, content, _source, _signal, next) => { seen.push(content.map(b => (b.type === 'text' ? b.text : '')).join('')) return next() }) @@ -191,7 +191,7 @@ describe('agent/prompt-submit', () => { const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) - ctx.on('agent/prompt-submit', async (_agent, content, _source, next): Promise => { + ctx.on('agent/prompt-submit', async (_agent, content, _source, _signal, next): Promise => { const text = content.map(b => (b.type === 'text' ? b.text : '')).join('') return text === 'secret' ? { kind: 'block', reason: 'policy: no secrets' } : next() }) @@ -498,7 +498,7 @@ describe('agent/turn-continuation (ContinuationDecision)', () => { const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) let forced = false - ctx.on('agent/turn-continuation', async (_agent, _turn, _default, next): Promise => { + ctx.on('agent/turn-continuation', async (_agent, _turn, _default, _signal, next): Promise => { if (!forced) { forced = true return { action: 'continue', reason: { content: [{ type: 'text', text: 'keep going on the goal' }], source: { kind: 'plugin', plugin: 'goal' } } } @@ -626,7 +626,7 @@ describe('worked example: a native hook plugin is just a cordis plugin on the se ) }) // 2. PromptSubmit: block a forbidden prompt, annotate the rest. - ctx.on('agent/prompt-submit', async (_agent, content, _source, next): Promise => { + ctx.on('agent/prompt-submit', async (_agent, content, _source, _signal, next): Promise => { const text = content.map(b => (b.type === 'text' ? b.text : '')).join('') if (text.includes('rm -rf')) return { kind: 'block', reason: 'destructive prompt blocked' } return next() diff --git a/packages/core/agent-loop/tests/loop.spec.ts b/packages/core/agent-loop/tests/loop.spec.ts index 79f9755220..c3695f2611 100644 --- a/packages/core/agent-loop/tests/loop.spec.ts +++ b/packages/core/agent-loop/tests/loop.spec.ts @@ -228,7 +228,7 @@ describe('agent loop', () => { assembly.variables['model'] = 'mock' return next() }) - ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => { + ctx.on('agent/request', async (_agent, _turn, _step, config, _signal, _next) => { return { ...config, model: 'mock' } }) const agent = ctx.agentLoop.create(AgentId('a-late-model'), {}) @@ -429,7 +429,7 @@ describe('agent loop', () => { let steps = 0 ctx.on('session/event', (_session, event) => { if (event.type === 'step/end') steps++ }) - ctx.on('agent/turn-continuation', async (_agent, _turn, _defaultDecision, next) => { + ctx.on('agent/turn-continuation', async (_agent, _turn, _defaultDecision, _signal, next) => { if (steps < 3) return { action: 'continue' as const } return next() }) @@ -469,7 +469,7 @@ describe('agent loop', () => { ctx.llm.registerAdapter(['other-model'], adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) - ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => { + ctx.on('agent/request', async (_agent, _turn, _step, config, _signal, _next) => { // The seed is frozen — config is not a mutable per-call knob; a switch // is proposed by returning a replacement, and the loop logs it. expect(Object.isFrozen(config)).toBe(true) @@ -601,10 +601,10 @@ describe('agent loop', () => { // wait until the stream is hanging, then cancel await new Promise(r => setTimeout(r, 30)) expect(agent.status).toBe('running') - agent.cancel('user interrupt') + agent.cancel({ kind: 'user' }) await waitForIdle(ctx, agent) - expect(reasons).toEqual([{ kind: 'aborted', reason: 'user interrupt' }]) + expect(reasons).toEqual([{ kind: 'aborted' }]) }) it('surfaces max-tokens as the turn-end reason when the last step is cut off', async () => { @@ -641,7 +641,7 @@ describe('agent loop', () => { ctx.on('session/event', (_session, event) => { if (event.type === 'step/end') steps++ }) // Force exactly one continuation (step 1 → step 2), then defer to default // (step 2 is a plain stop with no tool calls → stops). - ctx.on('agent/turn-continuation', async (_agent, _turn, _defaultDecision, next) => { + ctx.on('agent/turn-continuation', async (_agent, _turn, _defaultDecision, _signal, next) => { if (steps < 2) return { action: 'continue' as const } return next() }) @@ -781,7 +781,7 @@ describe('agent loop', () => { ]]) const ctx = await harness(adapter) let stepResults = 0 - ctx.on('agent/step-result', async (_agent, _turn, _step, message, next) => { + ctx.on('agent/step-result', async (_agent, _turn, _step, message, _signal, next) => { stepResults += 1 expect(message.content).toEqual([{ type: 'text', text: 'partial text' }]) return next() diff --git a/packages/core/agent-loop/tests/request-reconstruction.spec.ts b/packages/core/agent-loop/tests/request-reconstruction.spec.ts index 58c1017e81..ca56216c97 100644 --- a/packages/core/agent-loop/tests/request-reconstruction.spec.ts +++ b/packages/core/agent-loop/tests/request-reconstruction.spec.ts @@ -168,7 +168,7 @@ describe('request stability across the loop', () => { const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) let injected = false - ctx.on('agent/request', async (_agent, _turn, _step, _config, next) => { + ctx.on('agent/request', async (_agent, _turn, _step, _config, _signal, next) => { if (!injected) { injected = true agent.inject([{ type: 'text', text: '[late context]' }], { source: { kind: 'plugin', plugin: 'test' } }) @@ -245,7 +245,7 @@ describe('request stability across the loop', () => { const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) - ctx.on('agent/request', async (_agent, _turn, _step, _config, next) => { + ctx.on('agent/request', async (_agent, _turn, _step, _config, _signal, next) => { const config = await next() // next() resolves the SAME frozen seed — in-place shaping after // delegation is unrepresentable, so a "mutate what next() returned" @@ -282,7 +282,7 @@ describe('request stability across the loop', () => { send(agent, 'go') await waitForIdle(ctx, agent) ctx.systemPrompt.section({ name: 'extra', order: 2, text: 'now with guidance' }) - ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => ({ ...config, temperature: 0.5, maxTokens: 99, stop: [''] })) + ctx.on('agent/request', async (_agent, _turn, _step, config, _signal, _next) => ({ ...config, temperature: 0.5, maxTokens: 99, stop: [''] })) send(agent, 'again') await waitForIdle(ctx, agent) diff --git a/packages/core/agent-loop/tests/resume.spec.ts b/packages/core/agent-loop/tests/resume.spec.ts index 4b90453909..5530e909b8 100644 --- a/packages/core/agent-loop/tests/resume.spec.ts +++ b/packages/core/agent-loop/tests/resume.spec.ts @@ -198,7 +198,7 @@ describe('the session-persistence RFC: AgentLoop factory create/resume', () => { order.push('agent/created') }) ctx.on('agent/session-start', (agent) => { - expect(() => { agent.cancel('now live') }).not.toThrow() + expect(() => { agent.cancel({ kind: 'user' }) }).not.toThrow() order.push('agent/session-start') }) diff --git a/packages/core/agent-loop/tests/turn-stop.spec.ts b/packages/core/agent-loop/tests/turn-stop.spec.ts index 944c6fd265..6b1117ebe4 100644 --- a/packages/core/agent-loop/tests/turn-stop.spec.ts +++ b/packages/core/agent-loop/tests/turn-stop.spec.ts @@ -51,7 +51,7 @@ describe('agent/turn-stop', () => { agent.ctx.on('agent/turn-stop', (): ContinuationStop => ({ action: 'stop' })) let steered = false - ctx.on('agent/turn-continuation', async (subject, _turn, _default, next) => { + ctx.on('agent/turn-continuation', async (subject, _turn, _default, _signal, next) => { const downstream = await next() if (subject === agent && !steered) { steered = true diff --git a/packages/core/agent/README.md b/packages/core/agent/README.md index 5639f30daf..bdbd6c6a11 100644 --- a/packages/core/agent/README.md +++ b/packages/core/agent/README.md @@ -33,6 +33,8 @@ The loop plugin registers `AgentFactory`, keeping consumers independent of its c Most interception points are cooperative waterfalls returning seam-specific decisions. `agent/pre-step` is a serial surface-mutation checkpoint, while `agent/turn-stop` is the terminal serial fold: it runs after ordinary continuation and steering folding, and a returned stop remains in force through turn close and flush so later steering cannot create an extra step or turn. Ordinary queued prompts remain intact. The full rationale is in the [agent-scope runtime-design RFC](../../../docs/rfc/implemented/architecture/2026-07-12-agent-scope-runtime-design.md#three-execution-boundaries-are-deliberately-one-way). +Every asynchronous turn seam receives the same explicit `AbortSignal` for that turn. Listeners may cooperate with cancellation but must not retain the signal to control another turn; ambient `ctx.agentExecution` identity carries no liveness or cancellation authority. The signal and typed cancellation contract are defined by the [explicit turn cancellation RFC](../../../docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md). + Turn and step boundaries and the model token stream are durable `session/event` facts rather than mirrored `agent/*` notifications. Consumers read `turn/*`, `step/*`, and `assistant/chunk` from the session feed; tool policy and outcome observation belong to the complete pipeline documented by [`dsh-tools`](../tools/README.md). ### Agent interface (`types.ts`) @@ -42,7 +44,7 @@ The handle every plugin programs against: - `agent.send(content, options?)` — queue a message; starts a turn when idle. Content and resolved source become one detached, deeply frozen lossless-JSON record before `agent/queued` and enqueue; invalid data throws synchronously, and caller or notification-listener in-place mutation cannot change the log or model input (`agent/prompt-submit` still rewrites by returning replacement content). - `agent.steer(content, options?)` — steer a running turn (inject between steps); uses the same owned acceptance boundary and behaves like `send` when idle - `agent.inject(content, options?)` — inject in-session context (context/message event); the next request sees it. Does not run the model. While a turn is open it joins that turn; while idle it is wrapped in a one-shot `injection` turn so every event stays turn-enclosed ([the turn-enclosure invariant](../../../docs/rfc/implemented/architecture/2026-06-15-turn-enclosure-invariant.md)) -- `agent.cancel(reason?)` — cancel ALL pending work: clears the queued + steering FIFOs, aborts the in-flight step, and drops a turn about to start (the pre-step window) so a queued-but-not-started prompt never runs. A UI/ACP `session/cancel` maps to this. The single public stop primitive. Idle with nothing pending → a safe no-op. +- `agent.cancel(cause?)` — cancel ALL pending work: clears the queued + steering FIFOs, aborts the active turn, and drops queued work not yet claimed by the driver. `AgentCancelCause` is the runtime-only `{ kind: 'user' } | { kind: 'parent' }`; omission means `user`, the first cause wins for an active turn, and ACP `session/cancel` maps to `user`. `normalizeAgentCancelCause()` provides the same strict detached-value boundary used by the concrete loop: validation is synchronous even while idle, accepts only an exact plain object, and returns a safe no-op when no work exists. - `agent.whenIdle()` — resolve once the agent reaches quiescence after settling out of `running` (idle → immediately; disposed → awaits the loop exit). A non-owner's quiescence-observation hook: it observes the work settling WITHOUT tearing the agent down. Teardown is separate — a lifecycle owner stops and unregisters via `AgentHandle.dispose()`, which awaits the loop exit directly. - `agent.session`, `agent.status`, `agent.options`, `agent.id` diff --git a/packages/core/agent/src/dispatch.ts b/packages/core/agent/src/dispatch.ts index 9d024d36be..8ce018c16b 100644 --- a/packages/core/agent/src/dispatch.ts +++ b/packages/core/agent/src/dispatch.ts @@ -115,8 +115,9 @@ export function agentEvents(ctx: Context, agent: Agent): AgentEventDispatch { * Build the prompt assembly context with agent and scope set together, so * agent-scoped prompt and tool contributions cannot be silently omitted. * @param agent - the agent the assembly is for. + * @param signal - the current turn's explicit control signal, when assembly belongs to a turn. * @returns the context to pass to `assemble()`. */ -export function assembleContextFor(agent: Agent): AssembleContext { - return { agent, scope: agent } +export function assembleContextFor(agent: Agent, signal?: AbortSignal): AssembleContext { + return { agent, scope: agent, ...signal === undefined ? {} : { signal } } } diff --git a/packages/core/agent/src/types.ts b/packages/core/agent/src/types.ts index 3aad65a70e..f0c352a5b3 100644 --- a/packages/core/agent/src/types.ts +++ b/packages/core/agent/src/types.ts @@ -10,6 +10,7 @@ import type { Context } from 'cordis' import type { Scoped } from '@deepseek-ai/dsh-scope' import type { ContentBlock, LlmCallConfig, Message, MessageSource } from '@deepseek-ai/dsh-llm' import type {} from '@deepseek-ai/dsh-system-prompt' +import type { Session } from '@deepseek-ai/dsh-session' /** Identifies one live agent in the registry. */ export type AgentId = Branded<'AgentId'> @@ -22,8 +23,6 @@ export type AgentId = Branded<'AgentId'> export function AgentId(id: string): AgentId { return id as AgentId } -import type { Session } from '@deepseek-ai/dsh-session' - declare module '@deepseek-ai/dsh-system-prompt' { interface AssembleContext { /** Agent for this assembly; absent on diagnostics. When present, `scope` must identify the same agent. */ @@ -80,6 +79,72 @@ export type ContinuationStop = Extract /** Why a session lifecycle began; seeded creates are `startup`, while persisted loads are `resume`. */ export type SessionStartSource = 'startup' | 'resume' | 'clear' | 'compact' +/** Stable runtime cause accepted by {@link Agent.cancel}. */ +export type AgentCancelCause = + | { readonly kind: 'user' } + | { readonly kind: 'parent' } + +/** + * Validate and detach a caller-supplied Agent cancellation cause. + * @param value - the candidate cancellation cause. + * @returns a fresh frozen cause suitable for the current turn signal. + * @throws {TypeError} when the value is not an exact supported cause. + */ +export function normalizeAgentCancelCause(value: unknown): AgentCancelCause { + if (typeof value !== 'object' || value === null || Array.isArray(value)) { + throw new TypeError('agent cancel cause must be an exact plain object with kind "user" or "parent"') + } + const prototype = Object.getPrototypeOf(value) as unknown + if (prototype !== Object.prototype && prototype !== null) { + throw new TypeError('agent cancel cause must be an exact plain object with kind "user" or "parent"') + } + const keys = Reflect.ownKeys(value) + if (keys.length !== 1 || keys[0] !== 'kind') { + throw new TypeError('agent cancel cause must contain exactly one field: kind') + } + const kind = (value as { readonly kind?: unknown }).kind + switch (kind) { + case 'user': + return Object.freeze({ kind: 'user' }) + case 'parent': + return Object.freeze({ kind: 'parent' }) + default: + throw new TypeError(`unsupported agent cancel cause kind: ${String(kind)}`) + } +} + +/** Runtime reason carried by the signal that controls one live turn. */ +export type AgentInterruptReason = AgentCancelCause | { readonly kind: 'disposed' } + +/** + * Read a supported agent interruption from an explicitly supplied signal. + * Unknown reasons return `undefined`; this helper never consults ambient agent + * execution identity, which does not grant cancellation authority. + * + * @param signal - the current turn's explicit control signal. + * @returns its canonical supported reason, or `undefined` while live or when an + * unrelated controller supplied an unsupported reason. + */ +export function agentInterruptReasonOf(signal: AbortSignal): AgentInterruptReason | undefined { + if (!signal.aborted) return undefined + const reason: unknown = signal.reason + if (typeof reason === 'object' && reason !== null && !Array.isArray(reason)) { + const prototype = Object.getPrototypeOf(reason) as unknown + const keys = Reflect.ownKeys(reason) + if ((prototype === Object.prototype || prototype === null) + && keys.length === 1 && keys[0] === 'kind' + && (reason as { readonly kind?: unknown }).kind === 'disposed') { + return Object.freeze({ kind: 'disposed' }) + } + } + try { + return normalizeAgentCancelCause(reason) + } catch (error: unknown) { + if (error instanceof TypeError) return undefined + throw error + } +} + /** Public agent handle; the concrete driver belongs to `@deepseek-ai/dsh-agent-loop`. */ export interface Agent { readonly id: AgentId @@ -112,11 +177,13 @@ export interface Agent { /** * Clear queued and steering work, including work waiting to start, and abort - * the active step. The supplied reason is preserved across pre-step and active - * cancellation windows, and `whenIdle()` resolves after cancellation reaches - * quiescence. Idle cancellation is a no-op and does not arm a later cancel. + * the active turn. The first cause wins for that turn, and `whenIdle()` resolves + * after cancellation reaches quiescence. Omission means `{ kind: 'user' }`; + * invalid causes throw synchronously even while idle. Idle cancellation is a + * no-op after validation and does not arm a later cancel. + * @param cause - the stable caller intent carried by the current turn signal. */ - cancel(reason?: string): void + cancel(cause?: AgentCancelCause): void /** Resolve at idle quiescence; disposal waits for driver exit rather than only the status transition. */ whenIdle(): Promise @@ -202,14 +269,17 @@ declare module 'cordis' { 'agent/pre-step'(this: Scoped, agent: Agent, turn: number, step: number, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal): Promise | void /** * Allow, rewrite, or block one drained prompt before it becomes a user - * message. Call `next()` for the unchanged default. + * message. Call `next()` for the unchanged default. The signal controls only + * this turn; listeners may cooperate with it but must not retain it to + * control another turn. * @param agent - the agent draining its inbox. * @param content - the drained message's blocks, as queued. * @param source - the message's resolved source. + * @param signal - the current turn's explicit abort signal. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent. * @mode waterfall */ - 'agent/prompt-submit'(this: Scoped, agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise): Promise + 'agent/prompt-submit'(this: Scoped, agent: Agent, content: ContentBlock[], source: MessageSource, signal: AbortSignal, next: () => Promise): Promise /** * Replace the frozen call configuration. Model-visible content must use * logged channels; this seam cannot mutate messages. Injection here joins @@ -218,10 +288,11 @@ declare module 'cordis' { * @param turn - the open turn number. * @param step - the step whose request this is. * @param config - the config the loop would use (frozen); return a replacement to switch. + * @param signal - the current turn's explicit abort signal; ambient agent identity does not imply liveness or cancellation authority. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent. * @mode waterfall */ - 'agent/request'(this: Scoped, agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise): Promise + 'agent/request'(this: Scoped, agent: Agent, turn: number, step: number, config: LlmCallConfig, signal: AbortSignal, next: () => Promise): Promise /** * Compose request-only messages placed before derived history. The frozen * result is computed once per loop instance, logged on its anchoring request @@ -233,7 +304,7 @@ declare module 'cordis' { * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent. * @param agent - the agent whose session prefix is being composed. * @param prefix - the frozen seed; return an extended replacement. - * @param signal - aborts composition when the step is torn down. + * @param signal - the current turn's explicit abort signal. * @mode waterfall */ 'agent/session-prefix'(this: Scoped, agent: Agent, prefix: Message[], signal: AbortSignal, next: () => Promise): Promise @@ -244,30 +315,33 @@ declare module 'cordis' { * @param turn - the open turn number. * @param step - the step that produced the message. * @param message - the assistant message as assembled from the stream. + * @param signal - the current turn's explicit abort signal. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent. * @mode waterfall */ - 'agent/step-result'(this: Scoped, agent: Agent, turn: number, step: number, message: Message, next: () => Promise): Promise + 'agent/step-result'(this: Scoped, agent: Agent, turn: number, step: number, message: Message, signal: AbortSignal, next: () => Promise): Promise /** * Override whether the turn continues. The default continues after tool * calls or steering and stops otherwise; a continue reason becomes steering. * @param agent - the agent deciding whether to run another step. * @param turn - the turn being continued or stopped. * @param defaultDecision - what the loop would do absent an override. + * @param signal - the current turn's explicit abort signal. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent. * @mode waterfall */ - 'agent/turn-continuation'(this: Scoped, agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise): Promise + 'agent/turn-continuation'(this: Scoped, agent: Agent, turn: number, defaultDecision: ContinuationDecision, signal: AbortSignal, next: () => Promise): Promise /** * Monotonic terminal-stop checkpoint after continuation and steering are * folded; a stop remains authoritative through turn close and flush: * steering queued in that window is discarded, while ordinary sends survive. * @param agent - the agent whose composed continuation outcome may be stopped. * @param turn - the turn at its terminal-stop checkpoint. + * @param signal - the current turn's explicit abort signal. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent. * @mode serial */ - 'agent/turn-stop'(this: Scoped, agent: Agent, turn: number): ContinuationStop | undefined + 'agent/turn-stop'(this: Scoped, agent: Agent, turn: number, signal: AbortSignal): Promise | ContinuationStop | undefined // ---- error notifications (emit) ---- /** diff --git a/packages/core/agent/tests/agent.spec.ts b/packages/core/agent/tests/agent.spec.ts index 5d541d56a8..1056100b41 100644 --- a/packages/core/agent/tests/agent.spec.ts +++ b/packages/core/agent/tests/agent.spec.ts @@ -22,12 +22,12 @@ function stubAgent(rawId: string): Agent { } describe('AgentRegistry', () => { - it('keeps terminal stop decisions synchronous', () => { + it('allows terminal stop policy to cooperate asynchronously with turn cancellation', () => { type TurnStopListener = Events['agent/turn-stop'] type AsyncTurnStopListener = () => Promise - expectTypeOf().not.toExtend() - expectTypeOf>().toEqualTypeOf() + expectTypeOf().toExtend() + expectTypeOf>>().toEqualTypeOf() }) it('registers exact entries, emits lifecycle events, and unregisters on owner disposal', async () => { diff --git a/packages/core/session/README.md b/packages/core/session/README.md index 7e201ab647..3739df158f 100644 --- a/packages/core/session/README.md +++ b/packages/core/session/README.md @@ -64,6 +64,8 @@ Merge-extensible via `SessionEventMap` — a plugin declaration-merges its own t Also defines `TurnTriggerMap` and `TurnEndReasonMap` (merge-extensible sum types for typed turn boundaries — `kind`-tagged instead of strings). +An interrupted live turn ends with the coarse `{ kind: 'aborted' }` outcome. Caller identity belongs to the Agent's runtime cancellation signal rather than the durable transcript; disposal remains the separate `{ kind: 'disposed' }` terminal state. + Every `SessionEvent` carries two optional top-level fields (structural metadata): - `sourceEventSeqs?: number[]` — seq numbers of provenance sources (e.g., the `assistant/chunk` seqs behind an `assistant/message`, or the shadowed nodes behind a compaction replace node). diff --git a/packages/core/session/src/types.ts b/packages/core/session/src/types.ts index f4f42062fd..0585117f5f 100644 --- a/packages/core/session/src/types.ts +++ b/packages/core/session/src/types.ts @@ -93,7 +93,8 @@ export type TurnTrigger = TurnTriggerMap[keyof TurnTriggerMap] */ export interface TurnEndReasonMap { completed: { kind: 'completed' } - aborted: { kind: 'aborted'; reason?: string } + /** A cancellation request interrupted the live turn. */ + aborted: { kind: 'aborted' } /** * The turn failed: a step threw or the model reported a failure. `step` is the * step number the failure occurred on (the operational error's location — the diff --git a/packages/core/session/tests/fork.spec.ts b/packages/core/session/tests/fork.spec.ts index af143ea5ee..9dc8f84fb5 100644 --- a/packages/core/session/tests/fork.spec.ts +++ b/packages/core/session/tests/fork.spec.ts @@ -102,7 +102,7 @@ describe('SessionStore.fork', () => { const { ctx, sessions } = await setup() const reasons: TurnEndReason[] = [ { kind: 'completed' }, - { kind: 'aborted', reason: 'cancelled by user' }, + { kind: 'aborted' }, { kind: 'error', step: 1, message: 'model failed', code: 'MODEL' }, { kind: 'disposed' }, { kind: 'max-tokens' }, diff --git a/packages/core/session/tests/session.spec.ts b/packages/core/session/tests/session.spec.ts index 2326e7b212..a47025a715 100644 --- a/packages/core/session/tests/session.spec.ts +++ b/packages/core/session/tests/session.spec.ts @@ -40,6 +40,16 @@ describe('Session', () => { expect(structuredClone(turnEnd.data.reason)).toEqual({ kind: 'max-tokens' }) }) + it('round-trips the coarse aborted turn outcome', () => { + const session = new Session(SessionId('aborted')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('turn/end', { turn: 1, reason: { kind: 'aborted' } }) + const replayed = new Session(SessionId('aborted-replay'), structuredClone(session.events)) + expect(replayed.events).toEqual(session.events) + const turnEnd = replayed.events.findLast(event => event.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) + }) + it('renders context and steering messages as tagged synthetic user content', () => { const session = new Session(SessionId('s2')) session.append('context/message', { diff --git a/packages/core/system-prompt/README.md b/packages/core/system-prompt/README.md index e8975bf17e..79ee30bbb0 100644 --- a/packages/core/system-prompt/README.md +++ b/packages/core/system-prompt/README.md @@ -16,7 +16,7 @@ System prompt assembly registry. Plugins contribute ordered sections, tool schem - `ctx.systemPrompt.section(section: PromptSection): () => void` Contribute a section. The layer is the calling context's scope: `agent.ctx` contributes to that agent alone, shadowing a same-named global section there. Duplicate names within one layer and non-finite orders throw. Disposed with the calling fiber. - `ctx.systemPrompt.tools(provider: (context: AssembleContext) => ToolProviderResult): () => void` Contribute tool schemas, evaluated at each assembly with that assembly's context. `ToolProviderResult` = `{ schemas, knownNames? }`: `schemas` is the post-restriction visible set; `knownNames` is the pre-restriction universe used by `toolOrder`. A provider must not return a schema named `TOOL_ORDER_REST`. Scoped providers are consulted only for their scope's assemblies. Disposed with the calling fiber. - `ctx.systemPrompt.variable(name: string, provider: (context) => string | undefined): () => void` Contribute a prompt variable, referenced from section text as `{{name}}`. Scoped variables shadow a same-named global for that agent. Duplicate-in-layer or unreferenceable names throw; `undefined` means "no value for this assembly". Disposed with the calling fiber. -- `ctx.systemPrompt.assemble(context?: AssembleContext): Promise` Assemble the prompt for one caller: the global layer merged with `context.scope`'s layer, with tool schemas detached before the transform seam. Runs through the scope-filtered `system-prompt/assemble` waterfall and returns its authoritative result. Rejects when a configured `toolOrder` names a tool outside the providers' `knownNames` universe, or when a provider returns the reserved rest-entry name. +- `ctx.systemPrompt.assemble(context?: AssembleContext): Promise` Assemble the prompt for one caller: the global layer merged with `context.scope`'s layer, with tool schemas detached before the transform seam. Runs through the scope-filtered `system-prompt/assemble` waterfall and returns its authoritative result. An optional `context.signal` explicitly controls this assembly request; providers and listeners may cooperate with it but must not retain it for another turn. Rejects when a configured `toolOrder` names a tool outside the providers' `knownNames` universe, or when a provider returns the reserved rest-entry name. ### Live events @@ -24,7 +24,7 @@ System prompt assembly registry. Plugins contribute ordered sections, tool schem ### Key types -- `AssembleContext` — what one `assemble()` call is FOR. Merge-extensible; declares `scope?: ScopeKey` (the layer selector) here, and `dsh-agent` declares `agent?: Agent` (the typed DX field — never set without `scope`; use `assembleContextFor(agent)`). Providers must tolerate absent fields (a bare `assemble()` carries an empty, scope-less context). +- `AssembleContext` — what one `assemble()` call is FOR. Merge-extensible; declares `scope?: ScopeKey` (the layer selector) and `signal?: AbortSignal` (the explicit request control capability) here, while `dsh-agent` declares `agent?: Agent` (the typed DX field — never set without `scope`; use `assembleContextFor(agent, signal)`). Providers must tolerate absent fields because a bare `assemble()` carries an empty, scope-less, signal-less context. `signal` is a request value, not part of the ambient Agent execution frame. - `PromptSection` — `{ name, order, text }`. Sections are concatenated in ascending `order`. Order bands: `-100` is the harness identity, `0` the deployment persona, tool guidance uses `100–199`. - `PromptAssembly` — `{ sections: AssembledSection[], tools: ToolSchema[], variables: Record }`. Section texts arrive resolved but not yet interpolated; `variables` holds every registered variable resolved against the context. Tool schemas are part of the assembly by design: "what the model is told it can do" is one coherent thing, even though adapters transmit schemas as a separate wire field. - `renderPrompt(assembly)` — interpolates `{{variable}}` references in each section, drops empty sections, joins with blank lines. STRICT: an unknown reference (`Object.hasOwn` lookup — prototype names like `{{constructor}}` are unknown), a registered-but-valueless reference, a malformed complete `{{…}}` group, or a `{{` that opens no complete group while a `}}` still follows (`{{{model}}}`) throws — fail loud beats shipping a malformed prompt. A lone `{{` with no `}}` anywhere after it passes through verbatim; substituted values are never re-scanned. diff --git a/packages/core/system-prompt/src/index.ts b/packages/core/system-prompt/src/index.ts index 5eb66d95f8..12171f1b2e 100644 --- a/packages/core/system-prompt/src/index.ts +++ b/packages/core/system-prompt/src/index.ts @@ -20,6 +20,8 @@ declare module 'cordis' { * Expert waterfall over the assembled sections, tools, and variables. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): scoped listeners * receive only that scope's assemblies. The returned value is authoritative. + * A supplied signal controls only this explicit assembly request and must not + * be retained to control later turns. * @param assembly - the mutable assembly built from registered providers. * @param context - the caller's per-assembly context. * @mode waterfall @@ -41,6 +43,8 @@ export interface AssembleContext { * only global providers and subject-less listeners participate. */ scope?: ScopeKey + /** Explicit control signal for the turn that requested this assembly, when any. */ + signal?: AbortSignal } /** One contributed section of the system prompt (registry input). */ diff --git a/packages/guard/repeat-tool-guard/src/index.ts b/packages/guard/repeat-tool-guard/src/index.ts index ca4e6b5c0e..e227785472 100644 --- a/packages/guard/repeat-tool-guard/src/index.ts +++ b/packages/guard/repeat-tool-guard/src/index.ts @@ -230,7 +230,7 @@ export function apply(ctx: Context, config: Config): void { // A user interjection changes the context; repetition across it is not a // loop. Pure reset hook: always delegates (attaching nothing, vetoing // nothing). - ctx.on('agent/prompt-submit', (agent, _content, _source, next): Promise => { + ctx.on('agent/prompt-submit', (agent, _content, _source, _signal, next): Promise => { chains.delete(agent.id) return next() }) diff --git a/packages/hooks/hook-protocol/src/runner.ts b/packages/hooks/hook-protocol/src/runner.ts index fefb6936c9..1e7de698d0 100644 --- a/packages/hooks/hook-protocol/src/runner.ts +++ b/packages/hooks/hook-protocol/src/runner.ts @@ -27,7 +27,7 @@ export interface RunHookOptions { env?: Record /** Working directory for the hook (defaults to the executor's own default when omitted). */ cwd?: string - /** Abort signal — cancels the hook run when fired (the parent step aborts). */ + /** Explicit owning-operation signal; firing it cancels the hook run. */ signal?: AbortSignal /** Whether to append a trailing newline to the stdin payload (CC yes, Codex no). */ trailingNewline: boolean diff --git a/packages/hooks/hooks-claude/src/index.ts b/packages/hooks/hooks-claude/src/index.ts index 08a2d26c9d..f2006daef8 100644 --- a/packages/hooks/hooks-claude/src/index.ts +++ b/packages/hooks/hooks-claude/src/index.ts @@ -210,9 +210,9 @@ export function apply(ctx: Context, config: Config): void { // --- UserPromptSubmit → PromptDecision. The prompt text is the payload; no // matcher subject (CC ignores matchers for this event). --- - ctx.on('agent/prompt-submit', async (agent, content, _source, next): Promise => { + ctx.on('agent/prompt-submit', async (agent, content, _source, signal, next): Promise => { const turn = lastTurn(agent) - const merged = await runPoint('UserPromptSubmit', '', promptPayload(agent, content), { agent, turn }) + const merged = await runPoint('UserPromptSubmit', '', promptPayload(agent, content), { agent, turn, signal }) if (merged.decision === 'deny') { return { kind: 'block', reason: merged.reason ?? 'blocked by UserPromptSubmit hook' } } @@ -261,8 +261,8 @@ export function apply(ctx: Context, config: Config): void { // A blocking Stop hook forces continuation with its reason. // TODO(stop-loop-guard): cap consecutive forced continuations; hooks must self-limit meanwhile. - ctx.on('agent/turn-continuation', async (agent, turn, _default, next): Promise => { - const merged = await runPoint('Stop', '', stopPayload(agent), { agent, turn }) + ctx.on('agent/turn-continuation', async (agent, turn, _default, signal, next): Promise => { + const merged = await runPoint('Stop', '', stopPayload(agent), { agent, turn, signal }) if (merged.decision === 'deny') { // A blocking Stop hook forces continuation. const text = merged.reason ?? 'continue: blocked by Stop hook' diff --git a/packages/hooks/hooks-codex/src/index.ts b/packages/hooks/hooks-codex/src/index.ts index 924b181151..d84c96a0fd 100644 --- a/packages/hooks/hooks-codex/src/index.ts +++ b/packages/hooks/hooks-codex/src/index.ts @@ -183,9 +183,9 @@ export function apply(ctx: Context, config: Config): void { }) // UserPromptSubmit → PromptDecision. Codex supports block, not allow or ask. - ctx.on('agent/prompt-submit', async (agent, content, _source, next): Promise => { + ctx.on('agent/prompt-submit', async (agent, content, _source, signal, next): Promise => { const turn = lastTurn(agent) - const merged = await runPoint('UserPromptSubmit', '', { ...turnBase(agent, 'UserPromptSubmit', model), prompt: blocksToText(content) }, { agent, turn, plainStdoutAsContext: true }) + const merged = await runPoint('UserPromptSubmit', '', { ...turnBase(agent, 'UserPromptSubmit', model), prompt: blocksToText(content) }, { agent, turn, plainStdoutAsContext: true, signal }) /* jscpd:ignore-start */ if (merged.decision === 'deny') return { kind: 'block', reason: merged.reason ?? 'blocked by UserPromptSubmit hook' } // Context alone is not a veto: DELEGATE so a later prompt-submit listener can @@ -236,8 +236,8 @@ export function apply(ctx: Context, config: Config): void { // TODO(stop-loop-guard): Codex supplies `stop_hook_active` so a Stop hook can // avoid continuing the same turn indefinitely. It is always false here, so an // unconditionally blocking hook force-continues every step until it self-limits. - ctx.on('agent/turn-continuation', async (agent, turn, _default, next): Promise => { - const merged = await runPoint('Stop', '', { ...turnBase(agent, 'Stop', model), stop_hook_active: false, last_assistant_message: null }, { agent, turn }) + ctx.on('agent/turn-continuation', async (agent, turn, _default, signal, next): Promise => { + const merged = await runPoint('Stop', '', { ...turnBase(agent, 'Stop', model), stop_hook_active: false, last_assistant_message: null }, { agent, turn, signal }) /* jscpd:ignore-end */ if (merged.decision === 'deny') { // A blocking Stop hook forces continuation; a block with no reason (exit 2, diff --git a/packages/subagent/subagent-inprocess/src/index.ts b/packages/subagent/subagent-inprocess/src/index.ts index f6de7200cf..a1a5e9e7f8 100644 --- a/packages/subagent/subagent-inprocess/src/index.ts +++ b/packages/subagent/subagent-inprocess/src/index.ts @@ -153,7 +153,7 @@ export async function startInProcessRun( const onAbort = (): void => { flags.cancelled = true - child.cancel('subagent request aborted') + child.cancel({ kind: 'parent' }) } request.signal.addEventListener('abort', onAbort, { once: true }) diff --git a/packages/subagent/subagent-inprocess/src/structured.ts b/packages/subagent/subagent-inprocess/src/structured.ts index 09aa2d24b7..811d754094 100644 --- a/packages/subagent/subagent-inprocess/src/structured.ts +++ b/packages/subagent/subagent-inprocess/src/structured.ts @@ -96,7 +96,7 @@ export function attachStructuredRuntime(childCtx: Context, schema: StructuredOut // Stop the child's turn once its output is captured. This monotonic serial // checkpoint runs after the ordinary continuation waterfall, its reason, // and late-steering folding, so no ordering trick can resume a finished run. - childCtx.on('agent/turn-stop', function (this: unknown): ContinuationStop | undefined { + childCtx.on('agent/turn-stop', function (this: unknown, _agent, _turn, _signal): ContinuationStop | undefined { return captured === undefined ? undefined : { action: 'stop' } }) diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts index e8d19fe4c5..2971da0d61 100644 --- a/packages/subagent/subagent-inprocess/tests/structured.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts @@ -221,7 +221,7 @@ describe('in-process structured output', () => { ctx.on('agent/session-start', (child) => { if (child === parent) return wrapperInstalled = true - child.ctx.on('agent/turn-continuation', async (_subject, _turn, _decision, next): Promise => { + child.ctx.on('agent/turn-continuation', async (_subject, _turn, _decision, _signal, next): Promise => { const downstream = await next() expect(downstream).toEqual({ action: 'stop' }) return { action: 'continue' } @@ -247,7 +247,7 @@ describe('in-process structured output', () => { const run = await ctx.subagents.start('spawn', structuredRequest(parent)) ctx.on('agent/session-start', (child) => { if (child.id !== run.id) return - child.ctx.on('agent/turn-continuation', async (subject, _turn, _decision, next): Promise => { + child.ctx.on('agent/turn-continuation', async (subject, _turn, _decision, _signal, next): Promise => { const downstream = await next() expect(downstream).toEqual({ action: 'stop' }) subject.steer([{ type: 'text', text: 'late steering after downstream stop' }]) diff --git a/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts b/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts index cecad34bfc..720c22af2a 100644 --- a/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts @@ -25,9 +25,10 @@ async function setup(script: Script) { await ctx.plugin(AgentExecutionProvider) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(SubagentService) - ctx.llm.registerAdapter(['mock'], new MockAdapter(script)) + const adapter = new MockAdapter(script) + ctx.llm.registerAdapter(['mock'], adapter) const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) - return { ctx, parent } + return { ctx, parent, adapter } } function request(parent: Agent, signal = new AbortController().signal) { @@ -102,12 +103,16 @@ describe('startInProcessRun', () => { }) it('uses the request signal after publication and dispose as cancellation paths', async () => { - const { parent } = await setup(['hang', 'hang']) + const { parent, adapter } = await setup(['hang', 'hang']) const controller = new AbortController() const signalled = await startInProcessRun(request(parent, controller.signal), {}) await new Promise(resolve => setTimeout(resolve, 30)) controller.abort('stop child') await expect(signalled.result).resolves.toMatchObject({ stopReason: 'aborted' }) + expect(adapter.requests[0]?.signal?.reason).toEqual({ kind: 'parent' }) + const child = parent.ctx.agents.get(signalled.id) + const turnEnd = child?.session.events.findLast(event => event.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) await signalled.dispose() const disposed = await startInProcessRun(request(parent), {}) diff --git a/packages/ui/acp/src/index.ts b/packages/ui/acp/src/index.ts index c464ffd22b..26d5bab371 100644 --- a/packages/ui/acp/src/index.ts +++ b/packages/ui/acp/src/index.ts @@ -495,7 +495,7 @@ export function apply(ctx: Context, config: AcpConfig): void { // invariants and persistence observe the events in log order; the first flush // clears pending state. Promptless injection turns leave the switch pending, // with no request or execution under stale settings. - ctx.on('agent/prompt-submit', (agent, _content, _source, next) => { + ctx.on('agent/prompt-submit', (agent, _content, _source, _signal, next) => { const sessionId = bySession.get(agent) const rec = sessionId === undefined ? undefined : sessions.get(sessionId) if (rec !== undefined) flushPendingSwitches(rec) @@ -706,7 +706,7 @@ export function apply(ctx: Context, config: AcpConfig): void { cancel(params: CancelNotification): Promise { const rec = sessions.get(SessionId(params.sessionId)) if (rec === undefined) return Promise.resolve() - // session/cancel maps to the queue-aware agent.cancel(reason): it aborts + // session/cancel maps to the queue-aware user cancel cause: it aborts // a RUNNING step, clears the queued + steering FIFOs, and drops a // turn that is about to start (the pre-step window) — so a queued-but- // not-yet-started prompt never runs, and a prompt accepted right after @@ -717,7 +717,7 @@ export function apply(ctx: Context, config: AcpConfig): void { // settle it, because cancel() may drop the turn before any turn/end is // emitted, and removing this direct settle would move the RPC's // resolution onto a later observer path, changing its timing. - rec.agent.cancel('session/cancel') + rec.agent.cancel({ kind: 'user' }) settlePrompt(rec, 'cancelled') return Promise.resolve() }, @@ -778,7 +778,7 @@ export function apply(ctx: Context, config: AcpConfig): void { * Tear ALL live sessions down to quiescence (docs/defensive-patterns.md "dispose must reach * quiescence"): for each session settle any pending prompt `cancelled`, then * run that session's {@link AgentHandle} `dispose()` — which stops the loop - * (sets `disposed`, aborts the in-flight step), AWAITS the loop's exit (the + * (sets `disposed`, aborts the active turn), AWAITS the loop's exit (the * final `turn/end` + `session/flush` are captured while the store-owned publication hooks are still * attached), unregisters the agent, and removes its session from the store. * The per-session disposes run in parallel. Idempotent — clears the `sessions` @@ -817,7 +817,7 @@ export function apply(ctx: Context, config: AcpConfig): void { await Promise.all(recs.map(async (rec) => { settlePrompt(rec, 'cancelled') // Per-agent dispose (the AgentHandle disposer): unregister this agent, - // stop its loop (sets disposed + aborts the in-flight step), await + // stop its loop (sets disposed + aborts the active turn), await // quiescence (the loop exit + final flush), and remove its session — so // a bare client disconnect leaves NO registered agent and NO // session-store entry, not just an idled-but-still-registered one. diff --git a/packages/ui/acp/tests/codec.spec.ts b/packages/ui/acp/tests/codec.spec.ts index b4f0c10792..31ffb9ed48 100644 --- a/packages/ui/acp/tests/codec.spec.ts +++ b/packages/ui/acp/tests/codec.spec.ts @@ -15,7 +15,7 @@ describe('turnEndToStopReason', () => { it('maps every known TurnEndReason kind to a legal StopReason', () => { expect(turnEndToStopReason({ kind: 'completed' })).toBe('end_turn') expect(turnEndToStopReason({ kind: 'max-tokens' })).toBe('max_tokens') - expect(turnEndToStopReason({ kind: 'aborted', reason: 'x' })).toBe('cancelled') + expect(turnEndToStopReason({ kind: 'aborted' })).toBe('cancelled') expect(turnEndToStopReason({ kind: 'disposed' })).toBe('cancelled') expect(turnEndToStopReason({ kind: 'rejected', reason: 'blocked by hook' })).toBe('cancelled') expect(turnEndToStopReason({ kind: 'error', step: 1, message: 'boom' })).toBe('end_turn') diff --git a/packages/ui/acp/tests/turns.spec.ts b/packages/ui/acp/tests/turns.spec.ts index 78591ffa76..fc911480cd 100644 --- a/packages/ui/acp/tests/turns.spec.ts +++ b/packages/ui/acp/tests/turns.spec.ts @@ -316,6 +316,10 @@ describe('acp bridge — turn outcomes', () => { await harness.client.cancel({ sessionId }) const res = await promptDone expect(res.stopReason).toBe('cancelled') + const agent = harness.ctx.agents.get(AgentId(sessionId))! + await agent.whenIdle() + const turnEnd = agent.session.events.findLast(event => event.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) }) it('cancel right after prompt settles cancelled and leaves the agent idle, no leaked turn', async () => { diff --git a/scripts/translation-pairing.manifest.json b/scripts/translation-pairing.manifest.json index 35a957e57d..7104376ed6 100644 --- a/scripts/translation-pairing.manifest.json +++ b/scripts/translation-pairing.manifest.json @@ -12,6 +12,7 @@ "docs/i18n/README.md", "docs/i18n/translation-rules.md", "docs/rfc/implemented/architecture/2026-07-10-single-file-executable-sdk-runtime-distribution.md", + "docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.md", "docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.md", "python/README.md", "python/sdk-runtime/README.md", diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index 221372aa5c..3d6e758838 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -10,6 +10,7 @@ { "doc": "docs/core-data-structures/core.md", "symbol": "ToolSchema", "source": "packages/llm/llm/src/types.ts" }, { "doc": "docs/core-data-structures/core.md", "symbol": "LlmCallConfig", "source": "packages/llm/llm/src/call-config.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": "AgentCancelCause", "source": "packages/core/agent/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": "AgentExecution", "source": "packages/core/agent-execution/src/types.ts" }, { "doc": "docs/core-data-structures/core.md", "symbol": "AgentExecutionService", "source": "packages/core/agent-execution/src/index.ts" }, From 55916f931d10d1d894e7c26467f533065a2bfb9f Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Thu, 16 Jul 2026 19:16:54 +0800 Subject: [PATCH 02/28] fix(core): preserve abort-observer replacements --- ...07-16-explicit-turn-cancellation.i18n.yaml | 2 +- ...026-07-16-explicit-turn-cancellation.zh.md | 42 +++++++++---------- .../feature/2026-06-30-interception-seams.md | 2 +- packages/core/agent-loop/src/agent.ts | 9 ++-- packages/core/agent-loop/tests/cancel.spec.ts | 34 +++++++++++++++ packages/core/agent/README.md | 2 +- 6 files changed, 63 insertions(+), 28 deletions(-) diff --git a/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml index c9de5dd06a..bac31649ab 100644 --- a/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml +++ b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml @@ -3,4 +3,4 @@ # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write 2026-07-16-explicit-turn-cancellation.md: 3716895c145c24603a93dab99108489e19154490 -2026-07-16-explicit-turn-cancellation.zh.md: d2f8a4227d38a05d7ed1dd5135a20d3b4e94deed +2026-07-16-explicit-turn-cancellation.zh.md: 912f6ae7efcb5e0124c45e1a044b5cf140a6ab52 diff --git a/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md index d2f8a4227d..912f6ae7ef 100644 --- a/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md +++ b/docs/rfc/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md @@ -1,4 +1,4 @@ -# RFC：显式的 turn 取消能力 +# RFC：显式轮次取消能力 Status: implemented @@ -6,50 +6,50 @@ Status: implemented ## 问题 -取消是一种生命周期短于 Agent 驱动的控制能力。自由文本字符串无法对调用方进行穷尽区分，步骤级 controller 也无法中断 prompt 提交、prompt 组装、continuation 或 turn 终止策略。持久化 `Error`、`AbortSignal.reason` 或后端私有对象还会把不稳定的运行时细节暴露给持久化 replay。 +取消是一种生命周期短于 Agent（智能体）驱动器的控制能力。自由文本字符串无法穷尽地区分调用方，步骤级控制器也无法中断提示词提交、提示词组装、继续决策或轮次终止策略。持久化 `Error`、`AbortSignal.reason` 或后端私有对象还会向持久化回放暴露不稳定的运行时细节。 -[Agent 执行上下文决策](2026-07-15-agent-execution-context.md)有意让 AsyncLocalStorage 帧保持为 `{ agent }`。若把 turn、步骤或 signal 状态加入这个与驱动同生命周期的帧，陈旧的异步后代就会看似仍对后续 turn 拥有权限。因此，取消需要一个 turn 归属方和显式传播，不能引入另一套环境上下文或公开 turn 包装类型。 +[Agent 执行上下文决策](2026-07-15-agent-execution-context.md)有意让 AsyncLocalStorage 帧保持为 `{ agent }`。若把轮次、步骤或 signal 状态加入这个与驱动器同生命周期的帧，陈旧的异步后代就会看似仍对后续轮次拥有权限。因此，取消需要一个轮次归属方并显式传播，且不创建另一套环境上下文或公开的轮次包装层。 ## 决策 -Agent 拥有仅用于运行时的 `AgentCancelCause` union：`{ kind: 'user' } | { kind: 'parent' }`；`agent.cancel()` 默认使用 `user`。规范化边界只接受恰好包含一个受支持 `kind` 的普通对象或 null-prototype 对象，并返回供当前 turn signal 使用的分离且冻结值。即使 Agent 处于 idle，字符串、额外字段或 symbol 字段、未知 kind、数组、class 实例、`Error` 和 `AbortSignal` 也会被同步拒绝。 +Agent 拥有仅用于运行时的 `AgentCancelCause` 联合类型 `{ kind: 'user' } | { kind: 'parent' }`；`agent.cancel()` 默认使用 `user`。规范化边界只接受恰好包含一个受支持 `kind` 的普通对象或原型为 null 的对象，并返回供当前轮次 signal 使用的、与调用方分离且已冻结的值。即使 Agent 处于空闲状态，字符串、额外字段或符号字段、未知 kind、数组、类实例、`Error` 和 `AbortSignal` 也会被同步拒绝。 -被中断的 live turn 以粗粒度的持久化结果 `{ kind: 'aborted' }` 结束。终态事件记录 turn 发生了什么，运行时 signal 则标识谁请求了取消；回放不会重复保存 `user` 或 `parent`。未来若有审计需求，应使用独立的控制请求事件，让请求与最终结果保持为两项事实。持久化事件不包含 stack、signal、错误对象、自由文本取消原因或后端私有细节。 +正在运行的轮次被中断后，以粗粒度的持久化结果 `{ kind: 'aborted' }` 结束。终态事件记录轮次发生了什么，运行时 signal 标识谁请求了取消；回放不会重复保存 `user` 或 `parent`。未来若有审计需求，应使用独立的控制请求事件，让请求与最终结果保持为两项事实。持久化事件不包含调用栈、signal、错误对象、自由文本取消原因或后端私有细节。 -AgentLoop 为每个预期 turn 私有地拥有一个 `TurnCancellation`。它在通知 `agent/status = running` 前安装 holder，使其中唯一的 `AbortController` 持续覆盖 prompt 处理、prompt 组装、每个步骤、模型与工具执行、continuation、`agent/turn-stop`、`turn/end` 和持久化 flush，随后清除 holder。所有参与的方法、事件和请求值都会收到同一个显式 signal；下一 turn 会收到全新 signal。 +AgentLoop 为每个待启动轮次私有地持有一个 `TurnCancellation`。它在通知 `agent/status = running` 前安装该持有者，使其中唯一的 `AbortController` 持续覆盖提示词处理、提示词组装、每个步骤、模型与工具执行、继续决策、`agent/turn-stop`、`turn/end` 和持久化刷新，随后清除该持有者。所有参与的方法、事件和请求值都会收到同一个显式 signal；下一个轮次会收到全新的 signal。 -对于 turn 被认领前取消的 queued work，驱动只保留一个不带 cause 的 pre-run marker。它会清除 `cancel()` 调用时已存在的 queued 和 steering work，但不会为未来 prompt 预设取消。若 `running` listener 同步取消旧工作并发送 replacement，驱动会丢弃已 aborted 的 holder，并为 replacement 创建全新 holder。同一 active holder 上的重复取消遵循 first-wins，后续调用仍可清除新进入队列的 pending work。 +对于轮次被认领前已取消的排队工作，驱动器只保留一个不携带取消原因的运行前标记。它会清除 `cancel()` 调用时已存在的排队工作和 steering（中途引导）工作，但不会预先取消未来的提示词。若 `running` 监听器同步取消旧工作并发送替代提示词，驱动器会丢弃已中止的持有者，并为替代提示词创建全新的持有者。同一活跃持有者上的重复取消遵循首次请求优先，后续调用仍可清除新入队的待处理工作。 -显式事件签名保留 positional 形态，并把 `signal` 放在 waterfall 最后一个参数 `next` 之前。Prompt 提交、请求配置、步骤结果处理、continuation 和终止停止加入已有的 pre-step、session prefix、模型生成、工具执行、审批以及 subagent 或 workflow 请求显式 signal seam。`SystemPrompt.assemble()` 在 `AssembleContext` 中携带 `signal?: AbortSignal`，因为该对象是显式请求值。Listener 可以配合该 signal 取消，但不得保留它来控制另一 turn。 +显式事件签名保留位置参数形式，并把 `signal` 放在 waterfall（瀑布式事件）的最后一个参数 `next` 之前。提示词提交、请求配置、步骤结果处理、继续决策和终止停止加入已有的步骤前处理、会话前缀、模型生成、工具执行、审批以及 subagent 或工作流请求的显式 signal seam。`SystemPrompt.assemble()` 在 `AssembleContext` 中携带 `signal?: AbortSignal`，因为该对象是显式请求值。监听器可以配合该 signal 取消，但不得保留它来控制其他轮次。 -`ctx.agentExecution` 仍只提供身份。环境中的 Agent 并不代表存活、当前 turn 或取消权限，`agentInterruptReasonOf(signal)` 也只读取其显式参数。并发 Agent 会同时隔离各自的 ALS 身份和 turn signal；子 Agent 会遮蔽父 Agent 身份，而父请求 signal 仍通过 subagent seam 传递。 +`ctx.agentExecution` 仍只提供身份。环境中的 Agent 并不代表存活、当前轮次或取消权限，`agentInterruptReasonOf(signal)` 也只读取其显式参数。并发 Agent 会同时隔离各自的 ALS 身份和轮次 signal；子 Agent 会遮蔽父 Agent 身份，而父请求 signal 仍通过 subagent seam 传递。 -Agent dispose 会在 active holder 上请求仅用于运行时的 `{ kind: 'disposed' }` 中断。若取消已经先成为 controller reason，该 reason 无法改写，因此终态分类会先检查生命周期状态：disposed 优先，之后受支持的 `user` 或 `parent` cause 形成粗粒度 aborted 结果，其他异常保留现有 error 路径。ACP 取消映射为 `user`；进程内 spawn 和 fork 的传播映射为 `parent`。远程 ACP subagent 保持现有 wire protocol。 +Agent dispose（资源释放）会在活跃持有者上请求仅用于运行时的 `{ kind: 'disposed' }` 中断。若取消已经先占用控制器的中断原因，该原因便无法改写，因此终态分类会先检查生命周期状态：资源释放结果优先，之后受支持的 `user` 或 `parent` 取消原因形成粗粒度的中止结果，其他异常保留现有错误路径。ACP（Agent Client Protocol）取消映射为 `user`；进程内 spawn 和 fork 的传播映射为 `parent`。远程 ACP subagent 保持现有协议。 -取消仍然是协作式的。Loop 会在 await 边界前后检查中断，但不会用 `Promise.race` 放弃进程内 listener、adapter 或工具 Promise。忽略 signal 的工作必须真正结算，`whenIdle()`、handle dispose 和 scope teardown 才会报告静止状态。 +取消仍然是协作式的。AgentLoop 会在异步等待边界前后检查中断，但不会用 `Promise.race` 放弃进程内监听器、适配器或工具 Promise。忽略 signal 的工作必须真正结算，`whenIdle()`、句柄 dispose 和作用域清理才会报告静止状态。 ## 验证 -契约测试验证严格的运行时 cause 校验、冻结分离、默认与 first-wins 行为、粗粒度 Session JSON 往返、ACP `user`、进程内 subagent `parent` 以及 dispose 优先级。Loop 测试让协作式 listener 在 prompt 提交、system-prompt 组装、session prefix、pre-step、请求、模型 stream、步骤结果、工具执行、continuation 和终止停止处等待 signal；并断言同一 turn 使用一个 signal，不同 turn 使用全新 signal。 +契约测试验证严格的运行时取消原因校验、冻结且与调用方分离、默认行为与首次请求优先行为、粗粒度的会话 JSON 往返、ACP `user`、进程内 subagent `parent` 以及 dispose 优先级。AgentLoop 测试让协作式监听器在提示词提交、系统提示词组装、会话前缀、步骤前处理、请求、模型流、步骤结果、工具执行、继续决策和终止停止处等待 signal；并断言同一轮次使用一个 signal，不同轮次使用全新的 signal。 -执行上下文测试断言所有 hook 仍只观察到 `{ agent }`，并发 Agent 保持独立的身份与 signal，嵌套子 Agent 创建只遮蔽身份。竞态测试覆盖 idle 取消、pre-run 取消、从 `running` listener 提交 replacement、重复取消以及 cancel 与 dispose 竞争下的静止状态。 +执行上下文测试断言所有钩子仍只观察到 `{ agent }`，并发 Agent 保持独立的身份与 signal，嵌套子 Agent 创建只遮蔽身份。竞态测试覆盖空闲状态取消、运行前取消、从 `running` 监听器提交替代提示词、重复取消以及取消与 dispose 竞争下的静止状态。 ## 考虑过的替代方案 -**把 signal 存入 ALS。** ALS 会在整个驱动生命周期内跟随异步后代，而取消权限在一个 turn 结束时就已终止。泄漏的回调可能观察到陈旧 signal，或者迫使实现替换可变帧，因此身份帧保持 `{ agent }`，控制能力继续显式传递。 +**把 signal 存入 ALS。** ALS 会在整个驱动器生命周期内跟随异步后代，而取消权限在一个轮次结束时就已终止。泄漏的回调可能观察到陈旧 signal，或者迫使实现替换为可变帧，因此身份帧保持 `{ agent }`，控制能力继续显式传递。 -**持久化自由文本 reason。** 字符串允许拼写漂移、阻碍穷尽 switch，还会鼓励消费方解析展示文本。运行时使用封闭的 discriminated union，终态记录只需要稳定的 aborted 结果。 +**持久化自由文本原因。** 字符串允许拼写漂移、阻碍穷尽分支判断，还会鼓励消费方解析展示文本。运行时使用封闭的可辨识联合类型，终态记录只需要稳定的中止结果。 -**在 `turn/end` 中持久化类型化调用方 cause。** 当前没有任何生产环境中的 replay、UI、ACP、telemetry 或 workflow 消费方区分 `user` 与 `parent`。把请求来源复制到终态结果会混淆两项事实，还会在没有消费方的情况下引入 Session 特有校验；未来的审计接口可以记录独立的取消请求事件。 +**在 `turn/end` 中持久化类型化调用方取消原因。** 当前没有任何生产环境中的回放、UI、ACP、遥测或工作流消费方区分 `user` 与 `parent`。把请求来源复制到终态结果会混淆两项事实，还会在没有消费方的情况下引入会话特有校验；未来的审计接口可以记录独立的取消请求事件。 -**现在就定义推测性的 `superseded`、`timeout` 和 `shutdown` 变体。** 当前没有 Agent 取消生产方实现这些语义。`shutdown` 已经属于生命周期 dispose；timeout 或 supersession 只有在拥有明确归属策略和唯一终态含义时才应进入 union。 +**现在就定义推测性的 `superseded`、`timeout` 和 `shutdown` 变体。** 当前没有 Agent 取消生产方实现这些语义。`shutdown` 已经属于生命周期 dispose；超时或替代只有在拥有明确归属策略和唯一终态含义时才应进入联合类型。 -**公开 turn 或步骤 context 包装类型。** 现有 positional seam 已经标识 Agent、turn 和步骤。包装类型会加宽所有 API、重复归属，并诱导调用方把捕获的对象当成持久权限。 +**公开轮次或步骤上下文包装类型。** 现有位置参数 seam 已经标识 Agent、轮次和步骤。包装类型会加宽所有 API、重复归属，并诱导调用方把捕获的对象当成持久权限。 -**在宽限期后放弃不协作的工作。** 同进程工作仍在运行时就返回 idle 会破坏 teardown 与资源归属保证。硬终止需要 worker 或进程隔离边界，不属于该控制 seam。 +**在宽限期后放弃不协作的工作。** 同进程工作仍在运行时就报告空闲状态，会破坏资源清理与资源归属保证。硬终止需要 worker 或进程隔离边界，不属于该控制 seam。 ## 后果 -取消拥有一个运行时归属方、每个 turn 一个 signal，以及一套类型化的运行时调用方词汇。Session 保留其消费方实际使用的粗粒度 `aborted` 结果，与运行时对象保持隔离，也不再需要取消专用的规范化逻辑。协作式取消覆盖每个异步 turn seam，包括第一个步骤之前和最后一个步骤之后的工作。 +取消拥有一个运行时归属方、每个轮次一个 signal，以及一套类型化的运行时调用方词汇。会话保留其消费方实际使用的粗粒度 `aborted` 结果，与运行时对象保持隔离，也不再需要取消专用的规范化逻辑。协作式取消覆盖每个异步轮次 seam，包括第一个步骤之前和最后一个步骤之后的工作。 -显式 signal 会给多个公开事件增加参数，并要求插件有意识地转发取消。这是有意设计：权限在调用边界可见，生命周期与 turn 匹配，陈旧的环境异步后代无法获得控制能力。不协作的进程内工作可能延迟取消，但所报告的静止状态仍然真实。 +显式 signal 会给多个公开事件增加参数，并要求插件有意识地转发取消。这是有意设计：权限在调用边界可见，生命周期与轮次匹配，陈旧的环境异步后代无法获得控制能力。不协作的进程内工作可能延迟取消，但所报告的静止状态仍然真实。 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 ea371ad55a..43169f67ff 100644 --- a/docs/rfc/implemented/feature/2026-06-30-interception-seams.md +++ b/docs/rfc/implemented/feature/2026-06-30-interception-seams.md @@ -14,7 +14,7 @@ The canonical surface separates transformable policy, around-dispatch control, a **Agent events** (`dsh-agent`): - `agent/session-start(agent, source)` — emit, once before turn 1, carrying a `SessionStartSource` (`startup` for a fresh/forked create, `resume` for a reloaded persisted session; `clear`/`compact` reserved). A pure notification — it CANNOT block startup (a deliberate gap: a bridge logs/injects, it does not gate startup). A listener seeds context via `agent.inject()`. -- `agent/prompt-submit(agent, content, source, next) → PromptDecision` — waterfall, fired per drained queued message inside the open turn, before the `user/message` append. `allow` (optionally rewriting the prompt `content` or attaching `additionalContext`) or `block` (dropping the prompt; the loop appends a durable `prompt/blocked` in its place — see the dispatch note below). +- `agent/prompt-submit(agent, content, source, signal, next) → PromptDecision` — waterfall, fired per drained queued message inside the open turn, before the `user/message` append. `signal` belongs to that turn and `next` remains the final parameter. `allow` optionally rewrites the prompt `content` or attaches `additionalContext`; `block` drops the prompt and the loop appends a durable `prompt/blocked` in its place (see the dispatch note below). **`agent/turn-continuation`** receives and returns a `ContinuationDecision`. A `{action:'continue', reason?}` may carry model-facing context recorded as next-step steering in the same turn — the typed twin of the `/goal` step-end-steer pattern. diff --git a/packages/core/agent-loop/src/agent.ts b/packages/core/agent-loop/src/agent.ts index b984e4bfa0..94a6193c36 100644 --- a/packages/core/agent-loop/src/agent.ts +++ b/packages/core/agent-loop/src/agent.ts @@ -276,12 +276,13 @@ export class ReactLoopAgent implements Agent { const active = this.turnCancellation if (active === undefined && !this.#inbox.hasQueued && !this.#inbox.hasSteering) return if (active === undefined) this.preRunCancelled = true - else active.request(accepted) // Drop all pending queued + steering work (un-started prompts never run; the - // cancelled turn's steering is not re-enqueued). Cleared directly even when - // the loop is parked in waitForQueued — there is no turn to stop and nothing - // left for the parked loop to run, so no wake is needed. + // cancelled turn's steering is not re-enqueued). Clear before abort dispatch, + // whose synchronous observers may enqueue replacement work that must survive. + // This is direct even when the loop is parked in waitForQueued — there is no + // turn to stop and nothing left for the parked loop to run, so no wake is needed. this.#inbox.clear() + if (active !== undefined) active.request(accepted) } /** diff --git a/packages/core/agent-loop/tests/cancel.spec.ts b/packages/core/agent-loop/tests/cancel.spec.ts index 0dbac6fce6..2241717b94 100644 --- a/packages/core/agent-loop/tests/cancel.spec.ts +++ b/packages/core/agent-loop/tests/cancel.spec.ts @@ -124,6 +124,40 @@ describe('Agent.cancel()', () => { expect(reasons).toEqual([{ kind: 'aborted' }]) }) + it('keeps replacement work queued synchronously by an abort observer', async () => { + const adapter = new MockAdapter(['hang', textResponse('replacement reply')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('abort-observer-replacement'), { model: 'mock' }) + + send(agent, 'original') + await expect.poll(() => adapter.requests.length).toBe(1) + const signal = adapter.requests[0]?.signal + if (signal === undefined) throw new Error('model request omitted its turn signal') + signal.addEventListener('abort', () => { send(agent, 'replacement') }, { once: true }) + const idle = waitForIdle(ctx, agent) + agent.cancel({ kind: 'user' }) + await Promise.race([ + idle, + new Promise((_resolve, reject) => { + setTimeout(() => { + reject(new Error(`replacement did not settle: ${JSON.stringify({ + status: agent.status, + requests: adapter.requests.length, + users: userTexts(agent), + events: agent.session.events.map(event => event.type), + })}`)) + }, 1000) + }), + ]) + + expect(adapter.requests).toHaveLength(2) + expect(userTexts(agent)).toEqual(['original', 'replacement']) + const reasons = agent.session.events + .filter(event => event.type === 'turn/end') + .map(event => event.type === 'turn/end' ? event.data.reason : undefined) + expect(reasons).toEqual([{ kind: 'aborted' }, { kind: 'completed' }]) + }) + it('cancel() with no cause defaults to user when aborting an active turn', async () => { const adapter = new MockAdapter(['hang']) const ctx = await harness(adapter) diff --git a/packages/core/agent/README.md b/packages/core/agent/README.md index bdbd6c6a11..e5726c22c0 100644 --- a/packages/core/agent/README.md +++ b/packages/core/agent/README.md @@ -44,7 +44,7 @@ The handle every plugin programs against: - `agent.send(content, options?)` — queue a message; starts a turn when idle. Content and resolved source become one detached, deeply frozen lossless-JSON record before `agent/queued` and enqueue; invalid data throws synchronously, and caller or notification-listener in-place mutation cannot change the log or model input (`agent/prompt-submit` still rewrites by returning replacement content). - `agent.steer(content, options?)` — steer a running turn (inject between steps); uses the same owned acceptance boundary and behaves like `send` when idle - `agent.inject(content, options?)` — inject in-session context (context/message event); the next request sees it. Does not run the model. While a turn is open it joins that turn; while idle it is wrapped in a one-shot `injection` turn so every event stays turn-enclosed ([the turn-enclosure invariant](../../../docs/rfc/implemented/architecture/2026-06-15-turn-enclosure-invariant.md)) -- `agent.cancel(cause?)` — cancel ALL pending work: clears the queued + steering FIFOs, aborts the active turn, and drops queued work not yet claimed by the driver. `AgentCancelCause` is the runtime-only `{ kind: 'user' } | { kind: 'parent' }`; omission means `user`, the first cause wins for an active turn, and ACP `session/cancel` maps to `user`. `normalizeAgentCancelCause()` provides the same strict detached-value boundary used by the concrete loop: validation is synchronous even while idle, accepts only an exact plain object, and returns a safe no-op when no work exists. +- `agent.cancel(cause?)` — cancel ALL pending work: clears the queued + steering FIFOs, aborts the active turn, and drops queued work not yet claimed by the driver. `AgentCancelCause` is the runtime-only `{ kind: 'user' } | { kind: 'parent' }`; omission means `user`, the first cause wins for an active turn, and ACP `session/cancel` maps to `user`. `normalizeAgentCancelCause()` provides the same strict detached-value boundary used by the concrete loop: validation is synchronous even while idle, accepts only an exact plain object, and returns a frozen detached cause. After validation, `agent.cancel()` is a safe no-op when no work exists. - `agent.whenIdle()` — resolve once the agent reaches quiescence after settling out of `running` (idle → immediately; disposed → awaits the loop exit). A non-owner's quiescence-observation hook: it observes the work settling WITHOUT tearing the agent down. Teardown is separate — a lifecycle owner stops and unregisters via `AgentHandle.dispose()`, which awaits the loop exit directly. - `agent.session`, `agent.status`, `agent.options`, `agent.id` From 2bc4e05a089ca25d6187649f8a997803a1bf5395 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 19 Jul 2026 18:05:54 +0800 Subject: [PATCH 03/28] fix(tools): enforce cooperative cancellation --- docs/config-catalog.md | 2 +- docs/cordis-catalog/events.md | 22 +- docs/cordis-catalog/services.md | 7 +- docs/core-data-structures/tools.md | 17 +- docs/event-producer-consumer.md | 10 +- .../cordis-inspect-jsdoc/session.jsonl | 4 +- .../cordis-inspect-jsdoc/stdout.golden.jsonl | 4 +- .../cordis/tool-cordis/src/api-catalog.ts | 6 +- .../core/agent-loop/tests/tool-calls.spec.ts | 12 +- packages/core/tools/README.md | 14 +- packages/core/tools/src/index.ts | 176 ++++++++-- packages/core/tools/tests/code-mode.spec.ts | 7 +- packages/core/tools/tests/tools.spec.ts | 302 +++++++++++++++++- .../tests/timeout-policy.spec.ts | 40 ++- website/zh-CN/api/harness/events.md | 22 +- website/zh-CN/api/harness/tools.md | 23 +- 16 files changed, 583 insertions(+), 85 deletions(-) diff --git a/docs/config-catalog.md b/docs/config-catalog.md index c3b185d13e..cc293cbde7 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -1222,7 +1222,7 @@ export interface Config { export type ToolPresentationMode = 'native' | 'code' | 'both' ``` -Source: [`packages/core/tools/src/index.ts:382`](../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:397`](../packages/core/tools/src/index.ts) ## `@deepseek-ai/dsh-tui` diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index f522790fd0..acb2eccb4b 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -654,17 +654,19 @@ A tool was registered or unregistered, or a scoped restriction changed (the avai 'tools/change'(): void ``` -Source: [`packages/core/tools/src/index.ts:116`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:120`](../../packages/core/tools/src/index.ts) ### `tools/execute` — waterfall -Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a normalized result; wrappers may change only `exec.signal`, while call identity remains immutable. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a normalized result; wrappers may change only `exec.signal`, while call identity remains immutable. The registry re-fuses the original caller signal before the body, so replacement cannot detach caller cancellation; wrappers must still restore their signal and reach quiescence. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. ```ts cordis-catalog /** * Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns * a normalized result; wrappers may change only `exec.signal`, while call - * identity remains immutable. + * identity remains immutable. The registry re-fuses the original caller + * signal before the body, so replacement cannot detach caller cancellation; + * wrappers must still restore their signal and reach quiescence. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal). * @mode waterfall @@ -674,7 +676,7 @@ Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a nor Types: [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:89`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:93`](../../packages/core/tools/src/index.ts) ### `tools/post-execute` — waterfall @@ -694,16 +696,18 @@ Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts Types: [PostToolDecision](../core-data-structures/tools.md) · [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:98`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:102`](../../packages/core/tools/src/index.ts) ### `tools/pre-execute` — waterfall -Allow, deny, or ask before dispatch. `next()` delegates to allow; missing approval support turns `ask` into denial. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Allow, deny, or ask before dispatch. `next()` delegates to allow; missing approval support turns `ask` into denial. Async gates must observe `exec.signal`; the registry rechecks cancellation after they settle but never abandons their promise. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. ```ts cordis-catalog /** * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing - * approval support turns `ask` into denial. + * approval support turns `ask` into denial. Async gates must observe + * `exec.signal`; the registry rechecks cancellation after they settle but + * never abandons their promise. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the pending call (name, parsed arguments, caller agent). * @mode waterfall @@ -713,7 +717,7 @@ Allow, deny, or ask before dispatch. `next()` delegates to allow; missing approv Types: [PreToolDecision](../core-data-structures/tools.md) · [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:80`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:82`](../../packages/core/tools/src/index.ts) ### `tools/result` — emit @@ -732,7 +736,7 @@ Observe the frozen, lossless-JSON final outcome. Listener failures are contained Types: [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:106`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:110`](../../packages/core/tools/src/index.ts) ## `workflow/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 267c2f0caa..a0c7c42d8d 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -1174,7 +1174,10 @@ executionMode(exec: ToolExecutionInput): ToolExecutionMode * Execute through pre-policy, guards, around-dispatch, post-policy, and final * notification. Tool and listener failures resolve as materialized error * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is - * the same lossless, frozen snapshot final observers receive. + * the same lossless, frozen snapshot final observers receive. Cancellation + * arriving after entry skips a not-yet-started body or replaces a successful + * dispatch outcome with `ABORTED`; already-started work is still drained and + * may retain a tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -1184,7 +1187,7 @@ async execute(exec: ToolExecutionInput): Promise Types: [ScopeKey](../core-data-structures/scope.md) · [ToolDefinition](../core-data-structures/tools.md) · [ToolExecutionInput](../core-data-structures/tools.md) · [ToolExecutionMode](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolGuard](../core-data-structures/tools.md) · [ToolRestriction](../core-data-structures/tools.md) · [ToolSchema](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:438`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:465`](../../packages/core/tools/src/index.ts) ## `ctx.userInteraction` — `UserInteractionService` diff --git a/docs/core-data-structures/tools.md b/docs/core-data-structures/tools.md index 7cc0910d90..c20e3ac0d7 100644 --- a/docs/core-data-structures/tools.md +++ b/docs/core-data-structures/tools.md @@ -11,6 +11,15 @@ A `ToolSchema` (the model-facing fields) plus the `execute` function, host-only ```ts type-equiv /** A registered tool: its schema plus the execution function. */ interface ToolDefinition extends ToolSchema { + /** + * Run one accepted call. Async work must observe or forward `exec.signal` and + * settle only after its owned work reaches quiescence. The registry preserves + * caller cancellation through around-dispatch signal replacement and does + * not abandon this promise, but it cannot hard-kill same-process code. + * @param args - losslessly snapshotted, frozen model arguments. + * @param exec - execution identity, cancellation signal, and context deferral. + * @returns model-facing content plus optional private presentation metadata. + */ execute(args: unknown, exec: ToolRunContext): Promise /** * Cooperative tool-call timeout budget in milliseconds. Omit for no deadline. @@ -204,8 +213,10 @@ type ToolExecutionMode = * One pending tool call inside the registry pipeline. Parsed arguments cross * one lossless-JSON materialization boundary before policy and are deep-frozen; * call identity and the registry-assigned {@link token} are readonly. An - * around-dispatch wrapper may set, replace, or remove `signal`. The registry - * freezes the complete object before `tools/result` observers run. + * around-dispatch wrapper may set, replace, or remove `signal`; immediately + * before the body, the registry re-fuses the original caller signal so a + * wrapper cannot detach caller cancellation. The registry freezes the complete + * object before `tools/result` observers run. */ interface ToolExecution extends ToolExecutionInput { /** Registry-assigned identity shared with nested calls only as their opaque `parent` token. */ @@ -213,7 +224,7 @@ interface ToolExecution extends ToolExecutionInput { } ``` -`ToolExecutionToken` is an opaque runtime `Symbol` used only for identity comparison. Before policy, `execute()` materializes and freezes arguments, rejects non-JSON input, and assigns the token. Identity fields and the optional parent token remain readonly; only `signal` may change around dispatch. Final observers receive the frozen execution identity. +`ToolExecutionToken` is an opaque runtime `Symbol` used only for identity comparison. Before policy, `execute()` materializes and freezes arguments, rejects non-JSON input, and assigns the token. Identity fields and the optional parent token remain readonly; only `signal` may change around dispatch, and the registry re-fuses the caller signal before invoking the body. Final observers receive the frozen execution identity. A `ToolGuard` is scope-aware final pre-dispatch policy. Its shape deliberately has no allow result: `undefined` preserves the waterfall decision, while a returned reason can only reduce permission, so a later listener cannot undo it. diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index 78f878106c..8abb26814e 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -36,11 +36,11 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `subagent/start` | `emit` | [`packages/subagent/subagent/src/index.ts:103`](../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:27`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | [`acp`](../packages/ui/acp) | | `system-prompt/change` | `emit` | [`packages/core/system-prompt/src/index.ts:33`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | -| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:116`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | -| `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:89`](../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:98`](../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), [`spill-policy`](../packages/spill/spill-policy), [`workspace-context`](../packages/context/workspace-context) | -| `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:80`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:106`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) | +| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:120`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | +| `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:93`](../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:102`](../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), [`spill-policy`](../packages/spill/spill-policy), [`workspace-context`](../packages/context/workspace-context) | +| `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:82`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | +| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:110`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) | | `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:81`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:91`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl index 94ea8a8fec..37a63a33c3 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl @@ -10,7 +10,7 @@ {"type":"assistant/chunk","seq":8,"time":1783951000009,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} {"type":"assistant/message","seq":9,"time":1784449176722,"data":{"turn":1,"step":1,"content":[{"type":"tool-call","id":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[4,5,6,7,8],"surfaceOp":"append"} {"type":"tool/call","seq":10,"time":1784449176722,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}} -{"type":"tool/result","seq":11,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[10],"surfaceOp":"append"} +{"type":"tool/result","seq":11,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry skips a not-yet-started body or replaces a successful\n * dispatch outcome with `ABORTED`; already-started work is still drained and\n * may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[10],"surfaceOp":"append"} {"type":"step/end","seq":12,"time":1784449176732,"data":{"turn":1,"step":1}} {"type":"step/start","seq":13,"time":1784449176733,"data":{"turn":1,"step":2}} {"type":"assistant/chunk","seq":14,"time":1783951000015,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} @@ -20,7 +20,7 @@ {"type":"assistant/chunk","seq":18,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} {"type":"assistant/message","seq":19,"time":1784449176734,"data":{"turn":1,"step":2,"content":[{"type":"tool-call","id":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[14,15,16,17,18],"surfaceOp":"append"} {"type":"tool/call","seq":20,"time":1784449176734,"data":{"turn":1,"step":2,"callId":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}} -{"type":"tool/result","seq":21,"time":1784449176734,"data":{"turn":1,"step":2,"callId":"inspect-tools-event","content":[{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}],"isError":false},"sourceEventSeqs":[20],"surfaceOp":"append"} +{"type":"tool/result","seq":21,"time":1784449176734,"data":{"turn":1,"step":2,"callId":"inspect-tools-event","content":[{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial. Async gates must observe\n * `exec.signal`; the registry rechecks cancellation after they settle but\n * never abandons their promise.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}],"isError":false},"sourceEventSeqs":[20],"surfaceOp":"append"} {"type":"step/end","seq":22,"time":1784449176734,"data":{"turn":1,"step":2}} {"type":"step/start","seq":23,"time":1784449176735,"data":{"turn":1,"step":3}} {"type":"assistant/chunk","seq":24,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.golden.jsonl index 321c5499a2..46545ce422 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/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}}","configOptions":[{"id":"model","name":"Model","description":"Sets this session's provider and model.","category":"model","type":"select","currentValue":"[\"deepseek\",\"deepseek-v4-flash\"]","options":[{"value":"[\"deepseek\",\"deepseek-v4-flash\"]","name":"deepseek-v4-flash"},{"value":"[\"deepseek\",\"deepseek-v4-pro\"]","name":"deepseek-v4-pro"}]},{"id":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted temporary directories; wider retries require approval."},{"value":"danger-full-access","name":"danger-full-access","description":"Full file access without approval prompts."}]}]}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-api","title":"Inspect cordis runtime: api: tools","kind":"read","status":"in_progress"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-api","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-api","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry skips a not-yet-started body or replaces a successful\n * dispatch outcome with `ABORTED`; already-started work is still drained and\n * may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-event","title":"Inspect cordis runtime: events: tools/pre-execute","kind":"read","status":"in_progress"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-event","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-event","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial. Async gates must observe\n * `exec.signal`; the registry rechecks cancellation after they settle but\n * never abandons their promise.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"CORDIS_INSPECT_JSDOC_OK"}}}} {"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index 4813f91e1b..178132feb6 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -552,7 +552,7 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ }, { signature: 'async execute(exec: ToolExecutionInput): Promise', - jsDoc: '/**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */', + jsDoc: '/**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry skips a not-yet-started body or replaces a successful\n * dispatch outcome with `ABORTED`; already-started work is still drained and\n * may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */', }, ], }, @@ -820,7 +820,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ name: 'tools/execute', mode: 'waterfall', signature: '\'tools/execute\'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise', - jsDoc: '/**\n * Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns\n * a normalized result; wrappers may change only `exec.signal`, while call\n * identity remains immutable.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal).\n * @mode waterfall\n */', + jsDoc: '/**\n * Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns\n * a normalized result; wrappers may change only `exec.signal`, while call\n * identity remains immutable. The registry re-fuses the original caller\n * signal before the body, so replacement cannot detach caller cancellation;\n * wrappers must still restore their signal and reach quiescence.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal).\n * @mode waterfall\n */', summary: 'Around-dispatch waterfall for timeout, retry, or metrics.', }, { @@ -834,7 +834,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ name: 'tools/pre-execute', mode: 'waterfall', signature: '\'tools/pre-execute\'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise', - jsDoc: '/**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */', + jsDoc: '/**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial. Async gates must observe\n * `exec.signal`; the registry rechecks cancellation after they settle but\n * never abandons their promise.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */', summary: 'Allow, deny, or ask before dispatch.', }, { diff --git a/packages/core/agent-loop/tests/tool-calls.spec.ts b/packages/core/agent-loop/tests/tool-calls.spec.ts index 84c2fb34eb..1b5cdf1c21 100644 --- a/packages/core/agent-loop/tests/tool-calls.spec.ts +++ b/packages/core/agent-loop/tests/tool-calls.spec.ts @@ -473,7 +473,7 @@ describe('tool-call scheduler: abort handling', () => { expect(events(agent).filter(e => e.type === 'tool/result')).toEqual([]) }) - it('stops starting siblings when abort fires during ordered pre-execute', async () => { + it('skips dispatch and stops starting siblings when abort fires during ordered pre-execute', async () => { const adapter = new MockAdapter([ multiCall([{ id: 'c1', name: 'p', args: { id: '1' } }, { id: 'c2', name: 'p', args: { id: '2' } }]), textResponse('should never be requested'), @@ -490,16 +490,14 @@ describe('tool-call scheduler: abort handling', () => { }) agent.send([{ type: 'text', text: 'go' }]) - await until(() => gated.started.length === 1) - await new Promise(r => setTimeout(r, 5)) - expect(gated.started).toEqual(['1']) - gated.release('1') await waitForIdle(ctx, agent) + expect(gated.started).toEqual([]) expect(events(agent).filter(e => e.type === 'tool/call').map(e => e.data.callId)) .toEqual([CallId('c1')]) - expect(events(agent).filter(e => e.type === 'tool/result').map(e => e.data.callId)) - .toEqual([CallId('c1')]) + const results = events(agent).filter(e => e.type === 'tool/result') + expect(results.map(e => e.data.callId)).toEqual([CallId('c1')]) + expect(results[0]?.data.error).toEqual({ name: 'AbortError', code: 'ABORTED' }) }) it('stops replenishing after abort, commits started results, and drains accepted additional contexts', async () => { diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md index bfd75fdcb6..9369407050 100644 --- a/packages/core/tools/README.md +++ b/packages/core/tools/README.md @@ -20,24 +20,28 @@ tools: - `ctx.tools.get(name: string, scope?: ScopeKey): ToolDefinition | undefined` Resolution as one scope sees it (shadowing applied; a restricted-away global reads as absent) — presenters pass the calling agent so the card matches what executed. - `ctx.tools.schemas(scope?: ScopeKey): ToolSchema[]` Schemas of everything the scope can see (without the `execute` functions). The shipped tools' schemas are catalogued in [docs/tool-catalog.md](../../../docs/tool-catalog.md), generated by booting each tool plugin and harvesting this method (see [the tool-schema-catalog RFC](../../../docs/rfc/implemented/process/2026-07-02-tool-schema-catalog.md)). - `ctx.tools.guard(guard: ToolGuard): () => void` Register a monotonic synchronous execution guard after `tools/pre-execute`: returning a reason denies the call, while `undefined` leaves it unchanged. A plain-context guard applies globally; an `agent.ctx` guard applies only to that agent. Later waterfall listeners cannot turn a guard denial back into permission. Disposed with the calling fiber. -- `ctx.tools.execute(exec)` losslessly snapshots and freezes arguments, assigns an opaque token, runs the complete policy/dispatch/result pipeline, then independently snapshots the authoritative outcome before final observation. Invalid arguments use the same result path without reaching policy or the body; around wrappers may replace only `signal`. +- `ctx.tools.execute(exec)` losslessly snapshots and freezes arguments, assigns an opaque token, runs the complete policy/dispatch/result pipeline, then independently snapshots the authoritative outcome before final observation. Invalid arguments use the same result path without reaching policy or the body. Around wrappers may replace only `signal`; the registry re-fuses the original caller signal immediately before the body. - `ctx.tools.executionMode(exec)` returns `parallel` only when the visible definition's `isConcurrencySafe(exec.arguments)` classifier returns exactly `true`; unknown, hidden, undeclared, invalid, or throwing classifications are exclusive. ### Injected services `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. +### Cancellation + +Cancellation is cooperative and quiescent. A cancellation that arrives after registry entry is rechecked after pre-policy, approval, and around-dispatch waits, so a body cannot start late; if the body has started, the registry preserves the caller signal through wrapper replacement, awaits settlement, and replaces a successful dispatch outcome with structured `ABORTED`. A tool-owned structured error still wins. The registry never races away from a live same-process promise: every async tool must observe or forward `exec.signal` and settle only after owned work stops. A signal already aborted on entry still reaches the body for domain-specific cleanup; the agent-loop scheduler prevents model-driven calls from entering in that state. A timeout wrapper may replace the intermediate `ABORTED` with its owned `TOOL_TIMEOUT` when its deadline won. See the [quiescent-disposal rule](../../../docs/defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it) and [timeout ownership decision](../../../docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md). + ### Live events The live registry pipeline has three transformable waterfalls followed by the observe-only `tools/result` boundary; registry changes are deliberately unfiltered shared-state notifications. Exact signatures, dispatch modes, scope filtering, and failure-containment contracts live in the generated [Cordis event catalog](../../../docs/cordis-catalog/events.md), while the complete ordering is visualized in the generated [tool execution pipeline](../../../docs/tool-execution-pipeline.md). `tools/result` is live; the similarly named `tool/result` is the durable session event the agent loop appends afterwards. ### Key types -- `ToolDefinition` — `ToolSchema` + `execute(args, exec)`, optional presentation callbacks, cooperative `timeoutMs`, and optional per-call `isConcurrencySafe(args)` classification. +- `ToolDefinition` — `ToolSchema` + `execute(args, exec)`, whose async work must cooperatively stop through `exec.signal`, plus optional presentation callbacks, cooperative `timeoutMs`, and optional per-call `isConcurrencySafe(args)` classification. - `ToolExecutionInput` — the caller-supplied call description: `{ callId, name, arguments, agent?, parent?, signal? }`; callers may pass an enclosing execution's opaque token as `parent` but never choose the new execution's own token. - `ToolExecutionToken` — a fresh branded `Symbol` assigned by the registry. It supports equality correlation only and never crosses a model, log, or worker boundary. -- `ToolExecution` — the pipeline-owned call: immutable `{ token, callId, name, arguments, agent?, parent? }` identity plus optional operational `signal`, which an around wrapper may add, replace, remove, and restore. A nested call's `parent` is a `ToolExecutionToken`, not an execution object. -- `ToolRunContext` — the execution passed to a tool body, extending `ToolExecution` with `deferContext(context)`. Composite tools use it to ferry context produced by nested dispatches to the outer result even when the tool later throws; it never injects immediately. +- `ToolExecution` — the pipeline-owned call: immutable `{ token, callId, name, arguments, agent?, parent? }` identity plus optional operational `signal`, which an around wrapper may add, replace, remove, and restore; the registry separately retains and re-fuses the original caller signal. A nested call's `parent` is a `ToolExecutionToken`, not an execution object. +- `ToolRunContext` — the execution passed to a tool body, extending `ToolExecution` with `deferContext(context)`. Composite tools use it to ferry context produced by nested dispatches to the outer result even when the tool later throws or cancellation wins; it never injects immediately. - `ToolExecutionResult` — losslessly JSON-serializable outcome: `{ content, isError, error?, additionalContexts?, meta? }`. Call identity stays on the immutable `ToolExecution` supplied alongside the result instead of being duplicated on the outcome. The registry materializes and freezes the complete post-policy value before final observation. On failure with a `HarnessError`, `error: { name, code }` carries the structured failure class alongside the model-facing text. `additionalContexts` preserves each deferred or post-execute `HookContext` with its own source, envelope, and durable JSON metadata; the loop buffers the array and appends each entry as a `context/message` after all `tool/result`s in the step. - `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite is deliberately not offered; `ask` is serviced by [`ctx.approval`](../../ui/user-approval/README.md) when mounted and otherwise degrades to deny. - `PostToolDecision` — `{kind:'accept', content?, additionalContexts?}` (keep the call successful, optionally replacing the model-facing content) | `{kind:'block', feedback, additionalContexts?}` (turn it into an `isError` whose content is the corrective feedback). Accept preserves tool-deferred contexts before decision contexts; block discards tool-deferred contexts and exposes only contexts explicitly supplied by the blocking decision. @@ -74,7 +78,7 @@ ctx.tools.register(defineTool({ }, async execute(args, exec) { // args is typed: { path: string; offset?: number; limit?: number } - const text = await readFile(args.path, 'utf8') + const text = await readFile(args.path, { encoding: 'utf8', signal: exec.signal }) return [{ type: 'text', text }] }, })) diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts index 5fc045ace2..3dd330a3e9 100644 --- a/packages/core/tools/src/index.ts +++ b/packages/core/tools/src/index.ts @@ -72,7 +72,9 @@ declare module 'cordis' { interface Events { /** * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing - * approval support turns `ask` into denial. + * approval support turns `ask` into denial. Async gates must observe + * `exec.signal`; the registry rechecks cancellation after they settle but + * never abandons their promise. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the pending call (name, parsed arguments, caller agent). * @mode waterfall @@ -81,7 +83,9 @@ declare module 'cordis' { /** * Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns * a normalized result; wrappers may change only `exec.signal`, while call - * identity remains immutable. + * identity remains immutable. The registry re-fuses the original caller + * signal before the body, so replacement cannot detach caller cancellation; + * wrappers must still restore their signal and reach quiescence. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal). * @mode waterfall @@ -122,6 +126,15 @@ export type ToolExecuteReturn = ContentBlock[] | { content: ContentBlock[]; meta /** A registered tool: its schema plus the execution function. */ export interface ToolDefinition extends ToolSchema { + /** + * Run one accepted call. Async work must observe or forward `exec.signal` and + * settle only after its owned work reaches quiescence. The registry preserves + * caller cancellation through around-dispatch signal replacement and does + * not abandon this promise, but it cannot hard-kill same-process code. + * @param args - losslessly snapshotted, frozen model arguments. + * @param exec - execution identity, cancellation signal, and context deferral. + * @returns model-facing content plus optional private presentation metadata. + */ execute(args: unknown, exec: ToolRunContext): Promise /** * Cooperative tool-call timeout budget in milliseconds. Omit for no deadline. @@ -218,8 +231,10 @@ export type ToolExecutionMode = * One pending tool call inside the registry pipeline. Parsed arguments cross * one lossless-JSON materialization boundary before policy and are deep-frozen; * call identity and the registry-assigned {@link token} are readonly. An - * around-dispatch wrapper may set, replace, or remove `signal`. The registry - * freezes the complete object before `tools/result` observers run. + * around-dispatch wrapper may set, replace, or remove `signal`; immediately + * before the body, the registry re-fuses the original caller signal so a + * wrapper cannot detach caller cancellation. The registry freezes the complete + * object before `tools/result` observers run. */ export interface ToolExecution extends ToolExecutionInput { /** Registry-assigned identity shared with nested calls only as their opaque `parent` token. */ @@ -431,6 +446,18 @@ interface ToolGuardRegistration { guard: ToolGuard } +/** Caller cancellation captured before around-dispatch wrappers may replace the public signal slot. */ +interface ToolCancellationState { + readonly callerSignal: AbortSignal | undefined + readonly abortedAtEntry: boolean +} + +/** One dispatch-scoped fused signal plus listener cleanup after the body settles. */ +interface FusedToolSignal { + readonly signal: AbortSignal | undefined + dispose(): void +} + /** * Tool registry and execution pipeline. Scoped registrations shadow globals; * one visibility resolver feeds presentation, lookup, and dispatch. @@ -452,6 +479,8 @@ export class ToolRegistry extends Service { /** Context deferred by a running tool body, keyed by its scheduler-owned execution. */ private deferredContexts = new WeakMap() + /** Original caller cancellation, kept outside the wrapper-mutable execution object. */ + private cancellationStates = new WeakMap() private global = new Map() private scoped = new Map>() /** Compiled restriction filters, per scope (see {@link restrict}). */ @@ -774,7 +803,10 @@ export class ToolRegistry extends Service { * Execute through pre-policy, guards, around-dispatch, post-policy, and final * notification. Tool and listener failures resolve as materialized error * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is - * the same lossless, frozen snapshot final observers receive. + * the same lossless, frozen snapshot final observers receive. Cancellation + * arriving after entry skips a not-yet-started body or replaces a successful + * dispatch outcome with `ABORTED`; already-started work is still drained and + * may retain a tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -827,6 +859,10 @@ export class ToolRegistry extends Service { } const execution: ToolRunContext = { ...base, arguments: deepFreeze(detached) } this.deferredContexts.set(execution, deferredContexts) + this.cancellationStates.set(execution, { + callerSignal: signal, + abortedAtEntry: signal?.aborted === true, + }) return { kind: 'ready', exec: execution } } catch (error: unknown) { const execution: ToolRunContext = { ...base, arguments: undefined } @@ -858,6 +894,9 @@ export class ToolRegistry extends Service { () => Promise.resolve({ kind: 'allow' }), ) const decision = gate.kind === 'ask' ? await this.serviceAsk(exec, gate) : gate + if (this.callerCancelledAfterEntry(exec)) { + return await next({ kind: 'post-result', exec, result: toolAbortedResult() }) + } const denialReason = decision.kind === 'allow' ? this.guardReason(exec) : decision.reason @@ -873,7 +912,60 @@ export class ToolRegistry extends Service { } return await next({ kind: 'dispatch', exec }) } catch (error: unknown) { - return next({ kind: 'final-result', exec, result: toolErrorResult(error) }) + return this.callerCancelledAfterEntry(exec) + ? await next({ kind: 'post-result', exec, result: toolAbortedResult() }) + : next({ kind: 'final-result', exec, result: toolErrorResult(error) }) + } + } + + /** Whether the original live caller signal aborted after this execution entered the registry. */ + private callerCancelledAfterEntry(exec: ToolRunContext): boolean { + const state = this.cancellationStates.get(exec) + /* v8 ignore next -- only registry-minted executions reach the staged scheduler methods */ + if (state === undefined) throw new Error('tool registry scheduler invariant violated: missing cancellation state') + return !state.abortedAtEntry && state.callerSignal?.aborted === true + } + + /** + * Dispatch the registered body with the original caller signal fused back + * into any around-wrapper replacement. Cancellation never abandons the body: + * a started promise reaches quiescence before its outcome becomes `ABORTED`. + */ + private async dispatchToolBody(exec: ToolRunContext): Promise { + const state = this.cancellationStates.get(exec) + /* v8 ignore next -- only registry-minted executions reach the staged scheduler methods */ + if (state === undefined) throw new Error('tool registry scheduler invariant violated: missing cancellation state') + const wrapperSignal = exec.signal + const fused = fuseToolSignals(state.callerSignal, wrapperSignal) + const signal = fused.signal + const abortedBeforeBody = isAborted(signal) + + if (!state.abortedAtEntry && abortedBeforeBody) { + fused.dispose() + return toolAbortedResult() + } + if (signal === undefined) delete exec.signal + else exec.signal = signal + try { + const tool = this.get(exec.name, exec.agent) + if (!tool) throw new ToolNotFoundError(exec.name) + const returned = await tool.execute(exec.arguments, exec) + const content = Array.isArray(returned) ? returned : returned.content + const meta = Array.isArray(returned) ? undefined : returned.meta + const result: ToolExecutionResult = { + content, + isError: false, + ...meta !== undefined ? { meta } : {}, + } + return !abortedBeforeBody && isAborted(signal) + ? toolAbortedResult(result) + : result + } catch (error: unknown) { + return toolErrorResult(error) + } finally { + fused.dispose() + if (wrapperSignal === undefined) delete exec.signal + else exec.signal = wrapperSignal } } @@ -889,18 +981,7 @@ export class ToolRegistry extends Service { const carrier = scopeTarget(this, exec.agent) const result = await this.ctx.waterfall( carrier, 'tools/execute', exec, - async (): Promise => { - try { - const tool = this.get(exec.name, exec.agent) - if (!tool) throw new ToolNotFoundError(exec.name) - const returned = await tool.execute(exec.arguments, exec) - const content = Array.isArray(returned) ? returned : returned.content - const meta = Array.isArray(returned) ? undefined : returned.meta - return { content, isError: false, ...meta !== undefined ? { meta } : {} } - } catch (error: unknown) { - return toolErrorResult(error) - } - }, + () => this.dispatchToolBody(exec), ) const deferredContexts = this.deferredContexts.get(exec) /* v8 ignore next -- dispatch only receives executions minted by this registry's prepare stage */ @@ -914,7 +995,12 @@ export class ToolRegistry extends Service { ...result.additionalContexts ?? [], ], } - return { kind: 'post-result', result: resultWithDeferredContexts } + return { + kind: 'post-result', + result: this.callerCancelledAfterEntry(exec) && !resultWithDeferredContexts.isError + ? toolAbortedResult(resultWithDeferredContexts) + : resultWithDeferredContexts, + } } catch (error: unknown) { return { kind: 'final-result', result: toolErrorResult(error) } } @@ -1069,4 +1155,56 @@ function toolErrorResult(error: unknown): ToolExecutionResult { } } +/** Read live abort state across an await without treating it as synchronously immutable. */ +function isAborted(signal: AbortSignal | undefined): boolean { + return signal?.aborted === true +} + +/** + * Fuse caller and wrapper cancellation without nesting `AbortSignal.any`. + * Keeping the relay dispatch-scoped also removes listeners when work settles. + */ +function fuseToolSignals(caller: AbortSignal | undefined, wrapper: AbortSignal | undefined): FusedToolSignal { + if (caller === undefined || caller === wrapper) { + return { signal: wrapper ?? caller, dispose() {} } + } + if (wrapper === undefined) return { signal: caller, dispose() {} } + + const controller = new AbortController() + let listening = false + const dispose = (): void => { + if (!listening) return + listening = false + caller.removeEventListener('abort', abortFromCaller) + wrapper.removeEventListener('abort', abortFromWrapper) + } + const abortFrom = (source: AbortSignal): void => { + const reason: unknown = source.reason + controller.abort(reason) + dispose() + } + const abortFromCaller = (): void => { abortFrom(caller) } + const abortFromWrapper = (): void => { abortFrom(wrapper) } + + if (wrapper.aborted) abortFromWrapper() + else if (caller.aborted) abortFromCaller() + else { + listening = true + caller.addEventListener('abort', abortFromCaller, { once: true }) + wrapper.addEventListener('abort', abortFromWrapper, { once: true }) + } + return { signal: controller.signal, dispose } +} + +/** Canonical result when cancellation prevents dispatch or supersedes a successful outcome. */ +function toolAbortedResult(prior?: ToolExecutionResult): ToolExecutionResult { + const additionalContexts = prior?.additionalContexts ?? [] + return { + content: [{ type: 'text', text: 'Error: tool call aborted' }], + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + ...additionalContexts.length > 0 ? { additionalContexts } : {}, + } +} + export default ToolRegistry diff --git a/packages/core/tools/tests/code-mode.spec.ts b/packages/core/tools/tests/code-mode.spec.ts index bbc19d5d75..64b58b336f 100644 --- a/packages/core/tools/tests/code-mode.spec.ts +++ b/packages/core/tools/tests/code-mode.spec.ts @@ -857,7 +857,7 @@ describe('the run_code dispatch bridge', () => { expect(calls).toEqual([]) }) - it('rejects a binding invoked after the run is over without dispatching it', async () => { + it('reports cancellation after rejecting a late binding without dispatching it', async () => { const { ctx, runtime } = await setup({ mode: 'code' }) const calls = registerEcho(ctx) const controller = new AbortController() @@ -868,8 +868,9 @@ describe('the run_code dispatch bridge', () => { return { logs: [], value: message } } const result = await runCode(ctx, 'program', { signal: controller.signal }) - expect(result.isError).toBe(false) - expect((result.content[0] as { text: string }).text).toContain('not dispatched') + expect(result.isError).toBe(true) + expect(result.error).toEqual({ name: 'AbortError', code: 'ABORTED' }) + expect((result.content[0] as { text: string }).text).toBe('Error: tool call aborted') expect(calls).toEqual([]) }) diff --git a/packages/core/tools/tests/tools.spec.ts b/packages/core/tools/tests/tools.spec.ts index 3de73c3326..98f1f3650b 100644 --- a/packages/core/tools/tests/tools.spec.ts +++ b/packages/core/tools/tests/tools.spec.ts @@ -499,6 +499,302 @@ describe('ToolRegistry', () => { expect(order).toEqual(['pre', 'execute:before', 'dispatch', 'execute:after', 'post']) }) + it('skips dispatch when caller cancellation arrives while pre-execute awaits', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'must-not-run', + async execute() { dispatched += 1; return [] }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/pre-execute', async (_exec, next) => { + entered.resolve(undefined) + await release.promise + return await next() + }) + + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('cancelled-in-pre'), name: 'must-not-run', arguments: {}, signal: controller.signal, + }) + await entered.promise + controller.abort('cancelled in policy') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + content: [{ type: 'text', text: 'Error: tool call aborted' }], + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + }) + expect(dispatched).toBe(0) + }) + + it('materializes ABORTED when an async pre-execute gate throws after cancellation', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'must-not-run', + async execute() { dispatched += 1; return [] }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/pre-execute', async () => { + entered.resolve(undefined) + await release.promise + throw new Error('gate interrupted') + }) + + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('cancelled-pre-error'), name: 'must-not-run', arguments: {}, signal: controller.signal, + }) + await entered.promise + controller.abort('cancelled in policy') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + }) + expect(dispatched).toBe(0) + }) + + it('rechecks caller cancellation after an async around-dispatch wrapper delegates', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'must-not-run', + async execute() { dispatched += 1; return [] }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + const replacement = new AbortController() + ctx.on('tools/execute', async (exec, next) => { + const upstream = exec.signal + exec.signal = replacement.signal + try { + entered.resolve(undefined) + await release.promise + return await next() + } finally { + if (upstream === undefined) delete exec.signal + else exec.signal = upstream + } + }) + + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('cancelled-in-around'), name: 'must-not-run', arguments: {}, signal: controller.signal, + }) + await entered.promise + controller.abort('cancelled in wrapper') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + }) + expect(dispatched).toBe(0) + }) + + it('skips dispatch when an around wrapper supplies an already-aborted signal', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'must-not-run', + async execute() { dispatched += 1; return [] }, + }) + const replacement = AbortSignal.abort('wrapper cancelled') + ctx.on('tools/execute', async (exec, next) => { + const upstream = exec.signal + exec.signal = replacement + try { + return await next() + } finally { + if (upstream === undefined) delete exec.signal + else exec.signal = upstream + } + }) + + const controller = new AbortController() + const result = await ctx.tools.execute({ + callId: CallId('cancelled-wrapper'), name: 'must-not-run', arguments: {}, signal: controller.signal, + }) + + expect(result.error).toEqual({ name: 'AbortError', code: 'ABORTED' }) + expect(dispatched).toBe(0) + }) + + it('replaces a late wrapper success with ABORTED and preserves deferred contexts', async () => { + const ctx = await setup() + ctx.tools.register({ + ...echoTool, + name: 'completed-before-wrapper', + async execute(_args, exec) { + exec.deferContext({ + content: [{ type: 'text', text: 'completed child work' }], + source: { kind: 'plugin', plugin: 'child' }, + }) + return [{ type: 'text', text: 'body complete' }] + }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/execute', async (_exec, next) => { + const result = await next() + entered.resolve(undefined) + await release.promise + return result + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('cancelled-after-body'), name: 'completed-before-wrapper', arguments: {}, signal: controller.signal, + }) + await entered.promise + controller.abort('cancelled while wrapper settled') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + content: [{ type: 'text', text: 'Error: tool call aborted' }], + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + additionalContexts: [{ source: { kind: 'plugin', plugin: 'child' } }], + }) + }) + + it('fuses caller cancellation back into a wrapper replacement for the running body', async () => { + const ctx = await setup() + const entered = Promise.withResolvers() + const replacement = new AbortController() + let bodySignal: AbortSignal | undefined + ctx.tools.register({ + ...echoTool, + name: 'cooperative', + execute(_args, exec) { + bodySignal = exec.signal + entered.resolve(undefined) + if (exec.signal?.aborted) return Promise.resolve([]) + return new Promise((resolve) => { + exec.signal?.addEventListener('abort', () => { resolve([]) }, { once: true }) + }) + }, + }) + ctx.on('tools/execute', async (exec, next) => { + const upstream = exec.signal + exec.signal = replacement.signal + try { + return await next() + } finally { + if (upstream === undefined) delete exec.signal + else exec.signal = upstream + } + }) + + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('cancelled-body'), name: 'cooperative', arguments: {}, signal: controller.signal, + }) + await entered.promise + expect(bodySignal).not.toBe(controller.signal) + expect(bodySignal).not.toBe(replacement.signal) + controller.abort('cancel running body') + + await expect(pending).resolves.toMatchObject({ + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + }) + expect(bodySignal?.aborted).toBe(true) + expect(replacement.signal.aborted).toBe(false) + }) + + it('restores a removed caller signal for dispatch', async () => { + const ctx = await setup() + let bodySignal: AbortSignal | undefined + ctx.tools.register({ + ...echoTool, + name: 'signal-probe', + async execute(_args, exec) { bodySignal = exec.signal; return [] }, + }) + ctx.on('tools/execute', async (exec, next) => { + const upstream = exec.signal + delete exec.signal + try { + return await next() + } finally { + if (upstream !== undefined) exec.signal = upstream + } + }) + const controller = new AbortController() + + await ctx.tools.execute({ + callId: CallId('restored-signal'), name: 'signal-probe', arguments: {}, signal: controller.signal, + }) + + expect(bodySignal).toBe(controller.signal) + }) + + it('waits for an uncooperative started body before returning ABORTED', async () => { + const ctx = await setup() + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.tools.register({ + ...echoTool, + name: 'uncooperative', + execute(_args, exec) { + exec.deferContext({ + content: [{ type: 'text', text: 'nested outcome' }], + source: { kind: 'plugin', plugin: 'nested' }, + }) + entered.resolve(undefined) + return release.promise + }, + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('drain-body'), name: 'uncooperative', arguments: {}, signal: controller.signal, + }) + await entered.promise + controller.abort('must still drain') + + const state = await Promise.race([ + pending.then(() => 'settled' as const), + Promise.resolve('pending' as const), + ]) + expect(state).toBe('pending') + release.resolve([]) + await expect(pending).resolves.toMatchObject({ + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + additionalContexts: [{ source: { kind: 'plugin', plugin: 'nested' } }], + }) + }) + + it('lets an already-aborted entry signal reach the body for domain-specific cleanup', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'domain-abort', + async execute(_args, exec) { + dispatched += 1 + expect(exec.signal?.aborted).toBe(true) + throw new HarnessError('domain cleanup completed', 'DOMAIN_ABORTED') + }, + }) + + const result = await ctx.tools.execute({ + callId: CallId('pre-aborted'), name: 'domain-abort', arguments: {}, signal: AbortSignal.abort(), + }) + + expect(dispatched).toBe(1) + expect(result.error).toEqual({ name: 'HarnessError', code: 'DOMAIN_ABORTED' }) + }) + it('a pre-execute deny short-circuits before tools/execute (the seam never runs)', async () => { const ctx = await setup() ctx.tools.register(echoTool) @@ -560,7 +856,7 @@ describe('ToolRegistry', () => { expect(result.content[0]).toMatchObject({ text: 'Error: exploded' }) }) - it('a tools/execute listener can replace exec.signal for the dispatched tool (deadline pattern)', async () => { + it('re-fuses the caller signal with an around-dispatch replacement for the body', async () => { const ctx = await setup() let seenSignal: AbortSignal | undefined ctx.tools.register({ @@ -583,7 +879,9 @@ describe('ToolRegistry', () => { }) await ctx.tools.execute({ callId: CallId('c1'), name: 'signal-probe', arguments: {}, signal: upstream }) - expect(seenSignal).toBe(replacement) // dispatch saw the wrapper's replacement, not the upstream + expect(seenSignal).toBeDefined() + expect(seenSignal).not.toBe(upstream) + expect(seenSignal).not.toBe(replacement) }) it('a tools/execute listener can short-circuit dispatch by returning a result without next()', async () => { diff --git a/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts b/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts index bd06ed6e16..db41d6e1dc 100644 --- a/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts +++ b/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts @@ -126,7 +126,7 @@ describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { expect(result.content[0]).toMatchObject({ text: 'Error: tool call timed out after 100ms' }) }) - it('does NOT replace when the caller aborts first (upstream cancel, not our timeout)', async () => { + it('preserves registry ABORTED when the caller aborts first (upstream cancel, not our timeout)', async () => { const ctx = await setup() ctx.tools.register(cooperativeTool) const upstream = new AbortController() @@ -134,8 +134,42 @@ describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { upstream.abort('user cancelled') await vi.advanceTimersByTimeAsync(0) const result = await pending - expect(result.isError).toBe(false) - expect(result.content[0]).toMatchObject({ text: 'stopped cooperatively' }) + expect(result.isError).toBe(true) + expect(result.error).toEqual({ name: 'AbortError', code: 'ABORTED' }) + expect(result.content[0]).toMatchObject({ text: 'Error: tool call aborted' }) + }) + + it('preserves TOOL_TIMEOUT when the deadline wins before a later caller abort', async () => { + const ctx = await setup() + const sawAbort = Promise.withResolvers() + const releaseCleanup = Promise.withResolvers() + ctx.tools.register(defineTool({ + name: 'slow-cleanup', description: 'settles after abort cleanup', parameters: {}, timeoutMs: 100, + async execute(_args, exec) { + if (!exec.signal?.aborted) { + await new Promise((resolve) => { + exec.signal?.addEventListener('abort', () => { resolve(undefined) }, { once: true }) + }) + } + sawAbort.resolve(undefined) + await releaseCleanup.promise + return [{ type: 'text' as const, text: 'cleanup complete' }] + }, + })) + const upstream = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('timeout-first'), name: 'slow-cleanup', arguments: {}, signal: upstream.signal, + }) + + await vi.advanceTimersByTimeAsync(100) + await sawAbort.promise + upstream.abort('too late to replace timeout') + releaseCleanup.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + isError: true, + error: { name: 'ToolTimeoutError', code: 'TOOL_TIMEOUT' }, + }) }) }) diff --git a/website/zh-CN/api/harness/events.md b/website/zh-CN/api/harness/events.md index fcfa426a81..372e2f761d 100644 --- a/website/zh-CN/api/harness/events.md +++ b/website/zh-CN/api/harness/events.md @@ -741,7 +741,7 @@ Emitted when any prompt provider changes. This registry notification is unfilter A tool was registered or unregistered, or a scoped restriction changed (the available tool set changed — possibly for one scope only). An UNFILTERED registry-subject notification, deliberately not scope-filtered dispatch: a global change concerns every agent's next assembly, so a scoped listener subscribing here sees every change, not just its own scope's. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L116) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L120) ### tools/execute @@ -751,7 +751,9 @@ A tool was registered or unregistered, or a scoped restriction changed (the avai /** * Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns * a normalized result; wrappers may change only `exec.signal`, while call - * identity remains immutable. + * identity remains immutable. The registry re-fuses the original caller + * signal before the body, so replacement cannot detach caller cancellation; + * wrappers must still restore their signal and reach quiescence. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal). * @mode waterfall @@ -759,11 +761,11 @@ A tool was registered or unregistered, or a scoped restriction changed (the avai 'tools/execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise ``` -Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a normalized result; wrappers may change only `exec.signal`, while call identity remains immutable. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a normalized result; wrappers may change only `exec.signal`, while call identity remains immutable. The registry re-fuses the original caller signal before the body, so replacement cannot detach caller cancellation; wrappers must still restore their signal and reach quiescence. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. - `exec` — the allowed call about to dispatch (name, parsed arguments, caller agent, signal). -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L89) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L93) ### tools/post-execute @@ -786,7 +788,7 @@ Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts - `exec` — the call that just ran (name, parsed arguments, caller agent). - `result` — the dispatch outcome a listener may accept, replace, or block. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L98) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L102) ### tools/pre-execute @@ -795,7 +797,9 @@ Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts ```ts website-api /** * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing - * approval support turns `ask` into denial. + * approval support turns `ask` into denial. Async gates must observe + * `exec.signal`; the registry rechecks cancellation after they settle but + * never abandons their promise. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the pending call (name, parsed arguments, caller agent). * @mode waterfall @@ -803,11 +807,11 @@ Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise ``` -Allow, deny, or ask before dispatch. `next()` delegates to allow; missing approval support turns `ask` into denial. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Allow, deny, or ask before dispatch. `next()` delegates to allow; missing approval support turns `ask` into denial. Async gates must observe `exec.signal`; the registry rechecks cancellation after they settle but never abandons their promise. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. - `exec` — the pending call (name, parsed arguments, caller agent). -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L80) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L82) ### tools/result @@ -829,7 +833,7 @@ Observe the frozen, lossless-JSON final outcome. Listener failures are contained - `exec` — the execution object that traversed the pipeline. - `result` — a deep-frozen snapshot of the final returned result. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L106) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L110) ## workflow/* diff --git a/website/zh-CN/api/harness/tools.md b/website/zh-CN/api/harness/tools.md index eb416e8b75..be22b84380 100644 --- a/website/zh-CN/api/harness/tools.md +++ b/website/zh-CN/api/harness/tools.md @@ -6,7 +6,7 @@ Tool registry and execution pipeline. Scoped registrations shadow globals; one visibility resolver feeds presentation, lookup, and dispatch. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L438) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L465) ### ctx.tools.register(definition) @@ -26,7 +26,7 @@ Register globally or in the calling agent scope. Scoped tools shadow globals; du **Returns** the exact disposer that unregisters the tool. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L538) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L567) ### ctx.tools.restrict(filter) @@ -47,7 +47,7 @@ Restrict global tools for the calling agent scope. Empty filters, unknown names, **Returns** the exact disposer that lifts this restriction. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L578) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L607) ### ctx.tools.guard(guard) @@ -71,7 +71,7 @@ Register a monotonic guard after the extensible `tools/pre-execute` waterfall. A **Returns** the exact disposer that unregisters the guard. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L629) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L658) ### ctx.tools.get(name, scope?) @@ -95,7 +95,7 @@ Look up a tool as one scope sees it (scoped shadows global; a restricted-away gl **Returns** the definition the scope resolves, or undefined when none is visible. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L731) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L760) ### ctx.tools.schemas(scope?) @@ -115,7 +115,7 @@ Project visible definitions onto the allowlisted model-facing schema fields, exc **Returns** one deep-cloned schema per visible tool. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L741) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L770) ### ctx.tools.executionMode(exec) @@ -136,7 +136,7 @@ Classify a pending call through the caller's visible tool definition. Only an ex **Returns** the fail-closed scheduling mode. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L762) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L791) ### ctx.tools.execute(exec) @@ -145,7 +145,10 @@ Classify a pending call through the caller's visible tool definition. Only an ex * Execute through pre-policy, guards, around-dispatch, post-policy, and final * notification. Tool and listener failures resolve as materialized error * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is - * the same lossless, frozen snapshot final observers receive. + * the same lossless, frozen snapshot final observers receive. Cancellation + * arriving after entry skips a not-yet-started body or replaces a successful + * dispatch outcome with `ABORTED`; already-started work is still drained and + * may retain a tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -153,10 +156,10 @@ Classify a pending call through the caller's visible tool definition. Only an ex async execute(exec: ToolExecutionInput): Promise ``` -Execute through pre-policy, guards, around-dispatch, post-policy, and final notification. Tool and listener failures resolve as materialized error results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is the same lossless, frozen snapshot final observers receive. +Execute through pre-policy, guards, around-dispatch, post-policy, and final notification. Tool and listener failures resolve as materialized error results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is the same lossless, frozen snapshot final observers receive. Cancellation arriving after entry skips a not-yet-started body or replaces a successful dispatch outcome with `ABORTED`; already-started work is still drained and may retain a tool-owned structured error. - `exec` — the typed same-process call input. The registry assigns its correlation token before policy begins. **Returns** the materialized final result. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L782) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L814) From 54aef6068533d3c31de8d7195b8489ff7d0ff4bb Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 19 Jul 2026 21:13:41 +0800 Subject: [PATCH 04/28] fix(tools): complete cancellation boundary --- docs/config-catalog.md | 2 +- docs/cordis-catalog/events.md | 12 ++-- docs/cordis-catalog/services.md | 9 +-- docs/event-producer-consumer.md | 6 +- docs/rfc/INDEX.md | 1 + .../2026-07-07-tool-call-timeout-policy.md | 6 +- ...19-cooperative-tool-cancellation.i18n.yaml | 6 ++ ...026-07-19-cooperative-tool-cancellation.md | 65 +++++++++++++++++++ ...-07-19-cooperative-tool-cancellation.zh.md | 65 +++++++++++++++++++ .../cordis-inspect-jsdoc/session.jsonl | 2 +- .../cordis-inspect-jsdoc/stdout.golden.jsonl | 2 +- .../cordis/tool-cordis/src/api-catalog.ts | 4 +- packages/core/tools/README.md | 2 +- packages/core/tools/src/index.ts | 19 ++++-- packages/core/tools/tests/tools.spec.ts | 46 +++++++++++++ website/zh-CN/api/harness/events.md | 12 ++-- website/zh-CN/api/harness/tools.md | 25 +++---- 17 files changed, 241 insertions(+), 43 deletions(-) create mode 100644 docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml create mode 100644 docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md create mode 100644 docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 915423c275..029cd170dc 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -1224,7 +1224,7 @@ export interface Config { export type ToolPresentationMode = 'native' | 'code' | 'both' ``` -Source: [`packages/core/tools/src/index.ts:397`](../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:399`](../packages/core/tools/src/index.ts) ## `@deepseek-ai/dsh-tui` diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 416573e2cd..6c60c22bae 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -697,7 +697,7 @@ A tool was registered or unregistered, or a scoped restriction changed (the avai 'tools/change'(): void ``` -Source: [`packages/core/tools/src/index.ts:120`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:122`](../../packages/core/tools/src/index.ts) ### `tools/execute` — waterfall @@ -723,12 +723,14 @@ Source: [`packages/core/tools/src/index.ts:93`](../../packages/core/tools/src/in ### `tools/post-execute` — waterfall -Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Async listeners must observe `exec.signal`; after they settle, caller cancellation replaces only a successful accepted outcome with `ABORTED`. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. ```ts cordis-catalog /** * Accept, replace, enrich, or block a normalized dispatch result. `next()` - * accepts it unchanged; thrown tools still reach this seam as errors. + * accepts it unchanged; thrown tools still reach this seam as errors. Async + * listeners must observe `exec.signal`; after they settle, caller + * cancellation replaces only a successful accepted outcome with `ABORTED`. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the call that just ran (name, parsed arguments, caller agent). * @param result - the dispatch outcome a listener may accept, replace, or block. @@ -739,7 +741,7 @@ Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts Types: [PostToolDecision](../core-data-structures/tools.md) · [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:102`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:104`](../../packages/core/tools/src/index.ts) ### `tools/pre-execute` — waterfall @@ -779,7 +781,7 @@ Observe the frozen, lossless-JSON final outcome. Listener failures are contained Types: [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:110`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:112`](../../packages/core/tools/src/index.ts) ## `workflow/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 8856ecea4e..3cc0df2e72 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -1175,9 +1175,10 @@ executionMode(exec: ToolExecutionInput): ToolExecutionMode * notification. Tool and listener failures resolve as materialized error * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is * the same lossless, frozen snapshot final observers receive. Cancellation - * arriving after entry skips a not-yet-started body or replaces a successful - * dispatch outcome with `ABORTED`; already-started work is still drained and - * may retain a tool-owned structured error. + * arriving after entry and before final result materialization skips a + * not-yet-started body or replaces a successful pipeline outcome with + * `ABORTED`; already-started work is still drained and may retain a + * tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -1187,7 +1188,7 @@ async execute(exec: ToolExecutionInput): Promise Types: [ScopeKey](../core-data-structures/scope.md) · [ToolDefinition](../core-data-structures/tools.md) · [ToolExecutionInput](../core-data-structures/tools.md) · [ToolExecutionMode](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolGuard](../core-data-structures/tools.md) · [ToolRestriction](../core-data-structures/tools.md) · [ToolSchema](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:465`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:467`](../../packages/core/tools/src/index.ts) ## `ctx.userInteraction` — `UserInteractionService` diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index e73409c811..d50cf458c2 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -38,11 +38,11 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `subagent/start` | `emit` | [`packages/subagent/subagent/src/index.ts:103`](../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:27`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | [`acp`](../packages/ui/acp) | | `system-prompt/change` | `emit` | [`packages/core/system-prompt/src/index.ts:33`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | -| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:120`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | +| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:122`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | | `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:93`](../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:102`](../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), [`spill-policy`](../packages/spill/spill-policy), [`workspace-context`](../packages/context/workspace-context) | +| `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:104`](../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), [`spill-policy`](../packages/spill/spill-policy), [`workspace-context`](../packages/context/workspace-context) | | `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:82`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:110`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) | +| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:112`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) | | `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:81`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:91`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md index 4476c47a32..7e8b2ef86c 100644 --- a/docs/rfc/INDEX.md +++ b/docs/rfc/INDEX.md @@ -167,6 +167,7 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; | [Initiating Agent scope over AsyncLocalStorage](implemented/architecture/2026-07-15-agent-initiator-scope.md) | 2026-07-15 | | [Advisory LLM catalogs and per-session ACP model selection](implemented/architecture/2026-07-15-llm-model-catalog-and-acp-selection.md) | 2026-07-15 | | [Replay token meter service](implemented/architecture/2026-07-15-replay-token-meter-service.md) | 2026-07-15 | +| [Cooperative tool cancellation at the registry boundary](implemented/architecture/2026-07-19-cooperative-tool-cancellation.md) | 2026-07-19 | ### Process diff --git a/docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md b/docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md index 1e516a9aa0..0064b47588 100644 --- a/docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md +++ b/docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md @@ -50,9 +50,9 @@ The plugin is `@deepseek-ai/dsh-timeout-policy`, a zero-config function/namespac searchTimeoutMs: 30000 ``` -Timeouts live on tool definitions rather than a free-text name map, eliminating misspelled unused policy. `defineTool` validates a positive finite budget. During dispatch the enforcer derives a deadline signal, restores the caller signal afterward, and converts its own expiry into `TOOL_TIMEOUT`; tools without a budget pass through unchanged. +Timeouts live on tool definitions rather than a free-text name map, eliminating misspelled unused policy. `defineTool` validates a positive finite budget. During dispatch the enforcer derives a deadline signal and assigns it to `exec.signal`; the registry fuses that deadline with the original caller signal before the body under the [tool-cancellation contract](2026-07-19-cooperative-tool-cancellation.md). The enforcer restores the caller signal afterward and converts its own expiry into `TOOL_TIMEOUT`; tools without a budget pass through unchanged. -Signal replacement is by **in-place mutation of `exec.signal`**, not by passing a new object to `next()`. Cordis's waterfall `next()` ignores any arguments handed to it and re-invokes downstream listeners with the shared payload array (`vendor/cordis/src/events.ts`), so the documented cordis idiom — mutate the shared object, then delegate — is the only mechanism that reaches dispatch. The plugin restores `exec.signal` to the caller's original in a `finally` so `tools/post-execute` never sees this plugin's (possibly already-aborted) deadline signal. +Signal replacement is by **in-place mutation of `exec.signal`**, not by passing a new object to `next()`. Cordis's waterfall `next()` ignores any arguments handed to it and re-invokes downstream listeners with the shared payload array (`vendor/cordis/src/events.ts`), so mutation is how the wrapper supplies its deadline to the registry. The registry re-fuses the captured caller signal immediately before the body, and the plugin restores `exec.signal` to the caller's original in a `finally` so `tools/post-execute` never sees the plugin's deadline signal. `timeout-policy` owns both uses of the `TOOL_TIMEOUT` code: the internal deadline code passed to `deadline()`/`timeoutOf()` (scoped so a nested outer deadline reads as an ordinary cancel) and the structured tool-result error code. Its replacement result is: @@ -104,6 +104,6 @@ A future model-facing grep/glob tool can be implemented on top of `ctx.bash` wit - `@deepseek-ai/dsh-tools` gains an around-dispatch surface after the interception seams deliberately split pre/post tool hooks. Its contract is narrow — wrap registry dispatch, not replace the pre-gate or post-result policy — and the base `next()` is dispatch-with-normalization so a wrapper never sees a raw tool throw. - Multiple `tools/execute` listeners compose by ordinary Cordis waterfall order: a listener that calls `next()` wraps downstream listeners plus dispatch; one that returns without `next()` short-circuits them. A deployment combining timeout with a future retry/sandbox/metrics wrapper chooses semantics by registration order ("timeout covers the whole retry" vs "timeout covers each attempt"). -- Opt-in by declaration is a deliberate misconfiguration risk: a tool can declare a `timeoutMs` without honoring `exec.signal`, and that tool will not stop on timeout. The plugin contract states that declaring a budget means cooperative; the web tools prove the pattern on tools that already forward the signal. +- Opt-in by declaration is a deliberate misconfiguration risk: a tool can declare a `timeoutMs` without honoring `exec.signal`, and that tool will not stop on timeout. The registry awaits that non-quiescent body rather than racing it, while the plugin contract states that declaring a budget means cooperative; the web tools prove the pattern on tools that already forward the signal. - During the transition `bash` and the migrated web tools use different timeout paths on purpose: `TOOL_TIMEOUT` is the model-facing tool-call budget, while `BASH_TIMEOUT` remains the bash backend timeout used by bash and hooks. - Deviation from the literal proposal, recorded per the implemented-RFC rule: the plugin package is `@deepseek-ai/dsh-timeout-policy` (not `tool-timeout`), signal replacement is in-place `exec.signal` mutation before `next()` (not `next({ ...exec, signal })`, which cordis ignores), and the per-tool budget is declared on the `ToolDefinition` (`timeoutMs`, set by the owning tool plugin from its config) rather than mapped by tool name in this plugin's config — so the enforcer is zero-config and a mistyped tool name is impossible. All three are described in `## Decision` above. diff --git a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml new file mode 100644 index 0000000000..e54e5acce0 --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml @@ -0,0 +1,6 @@ +# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each +# side as of the last confirmed-consistent state. Both languages carry equal authority; +# after editing either side, bring the other along and re-record with: +# pnpm run verify-translation-pairing --write +2026-07-19-cooperative-tool-cancellation.md: d810b8d31aceffd10c10014c3f53173ca81f283f +2026-07-19-cooperative-tool-cancellation.zh.md: b0e0d6107b385ca19917bc8379a04814504d0283 diff --git a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md new file mode 100644 index 0000000000..d810b8d31a --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md @@ -0,0 +1,65 @@ +# RFC: Cooperative tool cancellation at the registry boundary + +Status: implemented + +English | [中文](2026-07-19-cooperative-tool-cancellation.zh.md) + +## Problem + +Every registered tool receives an optional `AbortSignal`, but a signal alone does not define a reliable cancellation boundary. Cancellation can arrive while pre-execution policy or approval is waiting, while an around-dispatch wrapper is waiting before or after delegation, or after the tool body has started. If each tool and wrapper interprets those races independently, a body can start after its caller has cancelled or a late success can escape after cancellation. + +Around-dispatch plugins also need to replace `exec.signal` to add deadlines or other operational cancellation. Treating that mutable slot as the only caller signal lets a wrapper accidentally detach caller cancellation. Forbidding replacement would remove the lexical composition used by the [tool-call timeout policy](2026-07-07-tool-call-timeout-policy.md). + +Returning `ABORTED` by racing the tool promise is not a safe fallback. Same-process JavaScript keeps running after the losing promise is abandoned, so subprocesses, network activity, nested dispatches, and deferred context production can outlive the reported result. The registry cannot generically hard-kill that work because termination belongs to the capability that owns it, as established by the [timeout/deadline decision](2026-07-06-timeout-deadline-library.md). + +## Decision + +`ToolRegistry` owns a cooperative, quiescent cancellation boundary for every call through `ctx.tools.execute()`. It preserves caller cancellation independently of around-dispatch mutation, prevents a body from starting after live cancellation, awaits every body that did start, and lets cancellation that wins before final result materialization supersede every successful pipeline outcome. + +This is a control-plane guarantee, not universal hard termination. Every asynchronous `ToolDefinition.execute()` observes or forwards `exec.signal` and settles only after its owned work stops. The registry does not claim bounded-time settlement for same-process code that violates that contract. + +### Caller cancellation survives the pipeline + +The registry captures the caller's signal and whether it was already aborted when it materializes the execution. That state is kept outside the wrapper-mutable `ToolRunContext`. + +A signal that was live on entry is rechecked after `tools/pre-execute`, approval, and immediately before the tool body. Cancellation during any of those waits yields structured `ABORTED` without starting the body. Immediately before dispatch, the registry fuses the original caller signal with the current wrapper-supplied `exec.signal`, so adding, replacing, or removing the public slot cannot detach the caller from a running body. Dispatch-scoped listeners are removed when the body settles. + +The registry also rechecks the original caller after the around-dispatch waterfall and post-result policy settle. A wrapper or post-policy listener cannot return a late successful result after caller cancellation merely because the body completed earlier. A wrapper- or policy-owned failure remains a failure; the timeout-policy wrapper may therefore classify its own winning deadline as `TOOL_TIMEOUT` instead of losing that information to generic cancellation. + +### Started work reaches quiescence + +Once `ToolDefinition.execute()` starts, the registry awaits it. Cancellation that arrives after the body starts notifies it through the fused signal but does not race or abandon its promise. If the body settles successfully after that cancellation, the registry replaces success with `{ name: 'AbortError', code: 'ABORTED' }`; a structured tool failure remains the more specific result. Context deferred by a composite tool is retained when generic cancellation replaces success. + +This applies even to an uncooperative body: the registry remains pending until the body settles. That cost is deliberate because returning early would make the call appear complete while its side effects remain live. Process, worker, network, and provider implementations supply their own termination mechanism and use the signal to reach quiescence; the registry only owns dispatch and result integrity. + +A cancellation result produced before `tools/post-execute` continues through that policy; cancellation while an asynchronous post listener is waiting replaces only its successful outcome. The frozen `tools/result` notification is the completion boundary, and the agent loop records the resulting model-visible `tool/result`, preserving reconstructability. + +### Pre-aborted entry is a distinct direct-call contract + +A signal already aborted when registry entry begins still reaches the tool body. Direct service callers use that state for capability-specific cleanup or error translation, and the more specific result remains observable. The agent-loop scheduler does not start a new model-driven body under an already-aborted turn signal, so this exception does not reopen late model dispatch. + +## Verification + +[`tools.spec.ts`](../../../../packages/core/tools/tests/tools.spec.ts) pins cancellation during pre-policy and around/post waits, signal replacement and removal, no-late-success behavior, context retention, started-body drainage, and pre-aborted direct entry. [`tool-calls.spec.ts`](../../../../packages/core/agent-loop/tests/tool-calls.spec.ts) and [`contract-regressions.spec.ts`](../../../../packages/core/agent-loop/tests/contract-regressions.spec.ts) pin the no-late-start rule and balanced session-log results for undispatched sibling calls. [`timeout-policy.spec.ts`](../../../../packages/timeout/timeout-policy/tests/timeout-policy.spec.ts) pins caller-cancel-first and timeout-owned classification. + +No registry test can prove that arbitrary third-party same-process code stops in bounded time. Capability tests remain responsible for proving their subprocess, worker, socket, or provider cancellation reaches quiescence. + +## Alternatives considered + +**Race the tool promise against cancellation.** Rejected because it reports completion while the losing promise and its side effects remain live. This violates the [quiescent-disposal rule](../../../defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it) and can let work mutate state after the session records `ABORTED`. + +**Make the registry hard-kill every tool.** Rejected because same-process JavaScript has no safe generic preemption mechanism, while real termination differs by capability: process groups need signals and escalation, workers need termination, and network clients need protocol-aware abort. Moving those mechanisms into `ToolRegistry` would couple the core registry to every implementation. + +**Trust each tool and around wrapper to preserve caller cancellation.** Rejected because the mutable signal slot and asynchronous pre/around waits form one shared scheduling boundary. Central capture and rechecks give every registered tool the same no-late-start and no-late-success rules without duplicating race handling. + +**Forbid around wrappers from replacing `exec.signal`.** Rejected because deadlines and nested operational scopes need to derive a signal for one lexical dispatch. Re-fusing the caller immediately before the body preserves both composition and cancellation. + +**Skip every call whose signal is aborted at entry.** Rejected because direct callers may need the tool body to perform cleanup or translate cancellation into a capability-specific result. The registry distinguishes that explicit entry state from a live signal that aborts during scheduling, while the agent loop independently prevents new model-driven dispatch after turn cancellation. + +## Consequences + +- Every registry invocation has one service-layer cancellation contract, including tools supplied by plugins or MCP bridges, but only cooperative implementations are guaranteed to stop promptly. +- Caller cancellation is monotonic across pre-policy, around-dispatch, and post-policy success: once a live caller signal aborts before final materialization, a body does not start late and a normal success does not become authoritative. +- Started work can delay cancellation indefinitely when an implementation ignores its signal. The registry deliberately exposes that defect as a non-quiescent call instead of hiding it behind an early result. +- Capability-specific failures and timeout ownership remain intact. Generic `ABORTED` replaces success, not a more informative error result. +- Around wrappers retain signal replacement as their composition mechanism, while the original caller signal remains non-detachable at dispatch. diff --git a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md new file mode 100644 index 0000000000..b0e0d6107b --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md @@ -0,0 +1,65 @@ +# RFC: 注册表边界上的协作式工具取消 + +Status: implemented + +[English](2026-07-19-cooperative-tool-cancellation.md) | 中文 + +## 问题 + +每个已注册工具都会收到可选的 `AbortSignal`，但仅提供信号不足以构成可靠的取消边界。取消可能发生在执行前策略或审批等待期间、环绕调度包装层委托前后的等待期间，或工具主体启动后。若各工具和包装层各自处理这些竞态，调用方取消后工具主体仍可能启动，延迟完成的成功结果也可能在取消后生效。 + +环绕调度插件还需要替换 `exec.signal`，以加入截止时间或其他运行时取消来源。若把这个可变槽位视为唯一的调用方信号，包装层就可能意外切断调用方的取消。禁止替换又会移除[工具调用超时策略](2026-07-07-tool-call-timeout-policy.md)所采用的词法作用域组合方式。 + +通过工具 promise 与取消竞速来返回 `ABORTED` 也不安全。同进程 JavaScript 即使在竞速中落败、其 promise 被丢弃，仍会继续运行，因此子进程、网络活动、嵌套调度和延后产生的上下文都可能超过已报告结果的生命周期。注册表无法用通用方式强制终止这些工作，因为终止机制属于工作所属的能力，正如[超时与截止时间决策](2026-07-06-timeout-deadline-library.md)所规定。 + +## 决策 + +`ToolRegistry` 为每次通过 `ctx.tools.execute()` 发起的调用提供协作式、保证完全停稳的取消边界。它独立于环绕调度对执行对象的修改来保留调用方取消，阻止工具主体在取消后才启动，等待所有已经启动的工具主体完成，并让最终结果物化前先发生的取消覆盖所有成功的流水线结果。 + +这项保证只覆盖控制平面，不等同于通用的强制终止。所有异步 `ToolDefinition.execute()` 都必须观察或转发 `exec.signal`，并且仅在自己负责的工作停止后完成。同进程代码若违反这项契约，注册表不保证其能在有界时间内完成。 + +### 调用方取消不会在流水线中丢失 + +注册表在物化执行对象时捕获调用方信号，并记录该信号在进入时是否已经中止。这份状态存放在包装层可修改的 `ToolRunContext` 之外。 + +对于进入时仍有效的信号，注册表会在 `tools/pre-execute`、审批以及工具主体启动前再次检查。若取消发生在这些等待期间，注册表会返回结构化 `ABORTED`，且不会启动工具主体。调度前一刻，注册表把原始调用方信号与包装层当前提供的 `exec.signal` 融合，因此无论包装层新增、替换还是移除公开槽位，都无法让运行中的工具主体脱离调用方取消。仅属于本次调度的监听器会在工具主体完成时移除。 + +环绕调度 waterfall（瀑布式事件）和结果后置策略完成后，注册表还会再次检查原始调用方信号。即使工具主体更早完成，包装层或后置策略监听器也不能在调用方取消后返回延迟成功结果。包装层或策略自身产生的失败仍按失败处理，因此 timeout-policy 包装层可以把自身先到达的截止时间归类为 `TOOL_TIMEOUT`，而不会被通用取消覆盖。 + +### 已启动的工作必须完全停稳 + +`ToolDefinition.execute()` 一旦启动，注册表就会等待它完成。工具主体启动后发生的取消会通过融合信号通知它，但注册表不会与其 promise 竞速，也不会丢弃该 promise。若工具主体在这次取消后仍以成功结果完成，注册表会用 `{ name: 'AbortError', code: 'ABORTED' }` 替换成功结果；工具自身的结构化失败仍是信息更具体的结果。通用取消替换成功结果时，会保留组合工具延后附加的上下文。 + +即使工具主体不协作，这项规则仍然适用：注册表调用会保持未完成，直到工具主体完成。这项代价是刻意保留的，因为提前返回会让调用看似已经结束，但其副作用仍在运行。进程、worker、网络和提供方实现各自提供终止机制，并使用信号使工作完全停稳；注册表只负责调度与结果完整性。 + +在 `tools/post-execute` 之前产生的取消结果会继续经过该策略；若取消发生在异步后置监听器等待期间，注册表只替换其成功结果。冻结的 `tools/result` 通知是完成边界，agent loop（智能体循环）会记录最终的模型可见 `tool/result`，从而保持可重建性。 + +### 进入时已中止属于独立的直接调用契约 + +若信号在进入注册表时已经中止，工具主体仍会收到它。直接调用服务的代码可利用该状态执行能力特定的清理或错误转换，信息更具体的结果也会保持可见。agent loop 调度器不会在轮次信号已经中止时启动新的模型驱动工具主体，因此这项例外不会重新允许模型工具延迟调度。 + +## 验证 + +[`tools.spec.ts`](../../../../packages/core/tools/tests/tools.spec.ts) 固定了执行前策略、环绕调度和后置策略等待期间的取消行为，以及信号替换与移除、禁止延迟成功、上下文保留、已启动工具主体排空和进入前已中止的直接调用行为。[`tool-calls.spec.ts`](../../../../packages/core/agent-loop/tests/tool-calls.spec.ts) 与 [`contract-regressions.spec.ts`](../../../../packages/core/agent-loop/tests/contract-regressions.spec.ts) 固定了禁止延迟启动的规则，以及未调度同批调用在会话日志中仍具有配对结果。[`timeout-policy.spec.ts`](../../../../packages/timeout/timeout-policy/tests/timeout-policy.spec.ts) 固定了调用方先取消和超时归属方分类行为。 + +任何注册表测试都无法证明任意第三方同进程代码会在有界时间内停止。各能力的测试仍需证明其子进程、worker、套接字或提供方取消能够使工作完全停稳。 + +## 考虑过的替代方案 + +**让工具 promise 与取消竞速。** 不予采纳，因为这种方式会在落败的 promise 及其副作用仍在运行时报告完成。这违反了[资源释放必须完全停稳的规则](../../../defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it)，并可能让会话记录 `ABORTED` 后仍有工作修改状态。 + +**由注册表强制终止每个工具。** 不予采纳，因为同进程 JavaScript 没有安全、通用的抢占机制，而各能力的实际终止方式不同：进程组需要信号和升级处理，worker 需要终止，网络客户端则需要按协议中止。把这些机制移入 `ToolRegistry` 会让核心注册表耦合到每种实现。 + +**相信各工具和环绕包装层自行保留调用方取消。** 不予采纳，因为可变信号槽位与异步执行前、环绕调度等待共同构成一处共享调度边界。集中捕获并重复检查可以让所有已注册工具遵守相同的禁止延迟启动和禁止延迟成功规则，无需重复实现竞态处理。 + +**禁止环绕包装层替换 `exec.signal`。** 不予采纳，因为截止时间和嵌套运行时作用域需要为一次词法调度派生信号。在工具主体启动前重新融合调用方信号，可以同时保留组合能力与取消语义。 + +**跳过进入时信号已经中止的所有调用。** 不予采纳，因为直接调用方可能需要工具主体执行清理，或把取消转换为能力特定的结果。注册表会区分这种显式进入状态与调度期间由有效变为中止的信号，而 agent loop 会独立阻止轮次取消后产生新的模型驱动调度。 + +## 后果 + +- 每次注册表调用都遵循同一份服务层取消契约，包括插件或 MCP 桥接提供的工具；但只有协作式实现才能保证及时停止。 +- 调用方取消在执行前策略、环绕调度和后置策略的成功路径上保持单调：只要进入时有效的调用方信号在最终结果物化前发生中止，工具主体就不会延迟启动，普通成功也不会成为权威结果。 +- 若实现忽略信号，已启动的工作可以无限期推迟取消。注册表会刻意把这一缺陷暴露为无法完全停稳的调用，而不是用提前返回的结果掩盖它。 +- 能力特定失败与超时归属保持不变。通用 `ABORTED` 只替换成功结果，不替换信息更具体的错误结果。 +- 环绕包装层继续通过替换信号来完成组合，而原始调用方信号在调度时无法被切断。 diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl index 37a63a33c3..a78b199efa 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl @@ -10,7 +10,7 @@ {"type":"assistant/chunk","seq":8,"time":1783951000009,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} {"type":"assistant/message","seq":9,"time":1784449176722,"data":{"turn":1,"step":1,"content":[{"type":"tool-call","id":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[4,5,6,7,8],"surfaceOp":"append"} {"type":"tool/call","seq":10,"time":1784449176722,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}} -{"type":"tool/result","seq":11,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry skips a not-yet-started body or replaces a successful\n * dispatch outcome with `ABORTED`; already-started work is still drained and\n * may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[10],"surfaceOp":"append"} +{"type":"tool/result","seq":11,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body or replaces a successful pipeline outcome with\n * `ABORTED`; already-started work is still drained and may retain a\n * tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[10],"surfaceOp":"append"} {"type":"step/end","seq":12,"time":1784449176732,"data":{"turn":1,"step":1}} {"type":"step/start","seq":13,"time":1784449176733,"data":{"turn":1,"step":2}} {"type":"assistant/chunk","seq":14,"time":1783951000015,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.golden.jsonl index 46545ce422..6b20ab4033 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.golden.jsonl @@ -1,7 +1,7 @@ {"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":"model","name":"Model","description":"Sets this session's provider and model.","category":"model","type":"select","currentValue":"[\"deepseek\",\"deepseek-v4-flash\"]","options":[{"value":"[\"deepseek\",\"deepseek-v4-flash\"]","name":"deepseek-v4-flash"},{"value":"[\"deepseek\",\"deepseek-v4-pro\"]","name":"deepseek-v4-pro"}]},{"id":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted temporary directories; wider retries require approval."},{"value":"danger-full-access","name":"danger-full-access","description":"Full file access without approval prompts."}]}]}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-api","title":"Inspect cordis runtime: api: tools","kind":"read","status":"in_progress"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-api","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry skips a not-yet-started body or replaces a successful\n * dispatch outcome with `ABORTED`; already-started work is still drained and\n * may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-api","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body or replaces a successful pipeline outcome with\n * `ABORTED`; already-started work is still drained and may retain a\n * tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-event","title":"Inspect cordis runtime: events: tools/pre-execute","kind":"read","status":"in_progress"}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-event","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial. Async gates must observe\n * `exec.signal`; the registry rechecks cancellation after they settle but\n * never abandons their promise.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"CORDIS_INSPECT_JSDOC_OK"}}}} diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index b51e00e1bc..e949910295 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -552,7 +552,7 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ }, { signature: 'async execute(exec: ToolExecutionInput): Promise', - jsDoc: '/**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry skips a not-yet-started body or replaces a successful\n * dispatch outcome with `ABORTED`; already-started work is still drained and\n * may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */', + jsDoc: '/**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body or replaces a successful pipeline outcome with\n * `ABORTED`; already-started work is still drained and may retain a\n * tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */', }, ], }, @@ -841,7 +841,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ name: 'tools/post-execute', mode: 'waterfall', signature: '\'tools/post-execute\'(this: Scoped, exec: ToolExecution, result: Readonly, next: () => Promise): Promise', - jsDoc: '/**\n * Accept, replace, enrich, or block a normalized dispatch result. `next()`\n * accepts it unchanged; thrown tools still reach this seam as errors.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the call that just ran (name, parsed arguments, caller agent).\n * @param result - the dispatch outcome a listener may accept, replace, or block.\n * @mode waterfall\n */', + jsDoc: '/**\n * Accept, replace, enrich, or block a normalized dispatch result. `next()`\n * accepts it unchanged; thrown tools still reach this seam as errors. Async\n * listeners must observe `exec.signal`; after they settle, caller\n * cancellation replaces only a successful accepted outcome with `ABORTED`.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the call that just ran (name, parsed arguments, caller agent).\n * @param result - the dispatch outcome a listener may accept, replace, or block.\n * @mode waterfall\n */', summary: 'Accept, replace, enrich, or block a normalized dispatch result.', }, { diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md index 9369407050..529e3d2f4c 100644 --- a/packages/core/tools/README.md +++ b/packages/core/tools/README.md @@ -29,7 +29,7 @@ tools: ### Cancellation -Cancellation is cooperative and quiescent. A cancellation that arrives after registry entry is rechecked after pre-policy, approval, and around-dispatch waits, so a body cannot start late; if the body has started, the registry preserves the caller signal through wrapper replacement, awaits settlement, and replaces a successful dispatch outcome with structured `ABORTED`. A tool-owned structured error still wins. The registry never races away from a live same-process promise: every async tool must observe or forward `exec.signal` and settle only after owned work stops. A signal already aborted on entry still reaches the body for domain-specific cleanup; the agent-loop scheduler prevents model-driven calls from entering in that state. A timeout wrapper may replace the intermediate `ABORTED` with its owned `TOOL_TIMEOUT` when its deadline won. See the [quiescent-disposal rule](../../../docs/defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it) and [timeout ownership decision](../../../docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md). +Cancellation is cooperative and quiescent. A cancellation that arrives after registry entry is rechecked after pre-policy, approval, around-dispatch, and post-result policy waits, so a body cannot start late and cancellation that wins before final result materialization supersedes a successful pipeline outcome; if the body has started, the registry preserves the caller signal through wrapper replacement and awaits settlement. A tool-owned structured error still wins. The registry never races away from a live same-process promise: every async tool must observe or forward `exec.signal` and settle only after owned work stops. A signal already aborted on entry still reaches the body for domain-specific cleanup; the agent-loop scheduler prevents model-driven calls from entering in that state. A timeout wrapper may replace the intermediate `ABORTED` with its owned `TOOL_TIMEOUT` when its deadline won. The [tool-cancellation RFC](../../../docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md) owns the service boundary and its hard-termination limit. ### Live events diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts index 3dd330a3e9..bcf61982b1 100644 --- a/packages/core/tools/src/index.ts +++ b/packages/core/tools/src/index.ts @@ -93,7 +93,9 @@ declare module 'cordis' { 'tools/execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise /** * Accept, replace, enrich, or block a normalized dispatch result. `next()` - * accepts it unchanged; thrown tools still reach this seam as errors. + * accepts it unchanged; thrown tools still reach this seam as errors. Async + * listeners must observe `exec.signal`; after they settle, caller + * cancellation replaces only a successful accepted outcome with `ABORTED`. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the call that just ran (name, parsed arguments, caller agent). * @param result - the dispatch outcome a listener may accept, replace, or block. @@ -804,9 +806,10 @@ export class ToolRegistry extends Service { * notification. Tool and listener failures resolve as materialized error * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is * the same lossless, frozen snapshot final observers receive. Cancellation - * arriving after entry skips a not-yet-started body or replaces a successful - * dispatch outcome with `ABORTED`; already-started work is still drained and - * may retain a tool-owned structured error. + * arriving after entry and before final result materialization skips a + * not-yet-started body or replaces a successful pipeline outcome with + * `ABORTED`; already-started work is still drained and may retain a + * tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -1015,7 +1018,13 @@ export class ToolRegistry extends Service { */ private async finalizeScheduledExecution(exec: ToolRunContext, result: ToolExecutionResult): Promise { try { - return this.finishScheduledExecution(exec, await this.postExecute(exec, result)) + const postResult = await this.postExecute(exec, result) + return this.finishScheduledExecution( + exec, + this.callerCancelledAfterEntry(exec) && !postResult.isError + ? toolAbortedResult(postResult) + : postResult, + ) } catch (error: unknown) { return this.finishScheduledExecution(exec, toolErrorResult(error)) } diff --git a/packages/core/tools/tests/tools.spec.ts b/packages/core/tools/tests/tools.spec.ts index 98f1f3650b..b6ab003331 100644 --- a/packages/core/tools/tests/tools.spec.ts +++ b/packages/core/tools/tests/tools.spec.ts @@ -667,6 +667,52 @@ describe('ToolRegistry', () => { }) }) + it('replaces a late post-execute success with ABORTED and preserves contexts', async () => { + const ctx = await setup() + ctx.tools.register({ + ...echoTool, + name: 'completed-before-post', + async execute(_args, exec) { + exec.deferContext({ + content: [{ type: 'text', text: 'completed child work' }], + source: { kind: 'plugin', plugin: 'child' }, + }) + return [{ type: 'text', text: 'body complete' }] + }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/post-execute', async (_exec, _result, next) => { + const decision = await next() + entered.resolve(undefined) + await release.promise + return { + ...decision, + additionalContexts: [{ + content: [{ type: 'text', text: 'post context' }], + source: { kind: 'plugin', plugin: 'post' }, + }], + } + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('cancelled-in-post'), name: 'completed-before-post', arguments: {}, signal: controller.signal, + }) + await entered.promise + controller.abort('cancelled while post policy waits') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + content: [{ type: 'text', text: 'Error: tool call aborted' }], + isError: true, + error: { name: 'AbortError', code: 'ABORTED' }, + additionalContexts: [ + { source: { kind: 'plugin', plugin: 'child' } }, + { source: { kind: 'plugin', plugin: 'post' } }, + ], + }) + }) + it('fuses caller cancellation back into a wrapper replacement for the running body', async () => { const ctx = await setup() const entered = Promise.withResolvers() diff --git a/website/zh-CN/api/harness/events.md b/website/zh-CN/api/harness/events.md index 11aa89a465..a073b3262a 100644 --- a/website/zh-CN/api/harness/events.md +++ b/website/zh-CN/api/harness/events.md @@ -794,7 +794,7 @@ Emitted when any prompt provider changes. This registry notification is unfilter A tool was registered or unregistered, or a scoped restriction changed (the available tool set changed — possibly for one scope only). An UNFILTERED registry-subject notification, deliberately not scope-filtered dispatch: a global change concerns every agent's next assembly, so a scoped listener subscribing here sees every change, not just its own scope's. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L120) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L122) ### tools/execute @@ -827,7 +827,9 @@ Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a nor ```ts website-api /** * Accept, replace, enrich, or block a normalized dispatch result. `next()` - * accepts it unchanged; thrown tools still reach this seam as errors. + * accepts it unchanged; thrown tools still reach this seam as errors. Async + * listeners must observe `exec.signal`; after they settle, caller + * cancellation replaces only a successful accepted outcome with `ABORTED`. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the call that just ran (name, parsed arguments, caller agent). * @param result - the dispatch outcome a listener may accept, replace, or block. @@ -836,12 +838,12 @@ Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a nor 'tools/post-execute'(this: Scoped, exec: ToolExecution, result: Readonly, next: () => Promise): Promise ``` -Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Async listeners must observe `exec.signal`; after they settle, caller cancellation replaces only a successful accepted outcome with `ABORTED`. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. - `exec` — the call that just ran (name, parsed arguments, caller agent). - `result` — the dispatch outcome a listener may accept, replace, or block. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L102) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L104) ### tools/pre-execute @@ -886,7 +888,7 @@ Observe the frozen, lossless-JSON final outcome. Listener failures are contained - `exec` — the execution object that traversed the pipeline. - `result` — a deep-frozen snapshot of the final returned result. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L110) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L112) ## workflow/* diff --git a/website/zh-CN/api/harness/tools.md b/website/zh-CN/api/harness/tools.md index be22b84380..645d17f3cb 100644 --- a/website/zh-CN/api/harness/tools.md +++ b/website/zh-CN/api/harness/tools.md @@ -6,7 +6,7 @@ Tool registry and execution pipeline. Scoped registrations shadow globals; one visibility resolver feeds presentation, lookup, and dispatch. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L465) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L467) ### ctx.tools.register(definition) @@ -26,7 +26,7 @@ Register globally or in the calling agent scope. Scoped tools shadow globals; du **Returns** the exact disposer that unregisters the tool. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L567) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L569) ### ctx.tools.restrict(filter) @@ -47,7 +47,7 @@ Restrict global tools for the calling agent scope. Empty filters, unknown names, **Returns** the exact disposer that lifts this restriction. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L607) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L609) ### ctx.tools.guard(guard) @@ -71,7 +71,7 @@ Register a monotonic guard after the extensible `tools/pre-execute` waterfall. A **Returns** the exact disposer that unregisters the guard. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L658) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L660) ### ctx.tools.get(name, scope?) @@ -95,7 +95,7 @@ Look up a tool as one scope sees it (scoped shadows global; a restricted-away gl **Returns** the definition the scope resolves, or undefined when none is visible. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L760) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L762) ### ctx.tools.schemas(scope?) @@ -115,7 +115,7 @@ Project visible definitions onto the allowlisted model-facing schema fields, exc **Returns** one deep-cloned schema per visible tool. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L770) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L772) ### ctx.tools.executionMode(exec) @@ -136,7 +136,7 @@ Classify a pending call through the caller's visible tool definition. Only an ex **Returns** the fail-closed scheduling mode. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L791) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L793) ### ctx.tools.execute(exec) @@ -146,9 +146,10 @@ Classify a pending call through the caller's visible tool definition. Only an ex * notification. Tool and listener failures resolve as materialized error * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is * the same lossless, frozen snapshot final observers receive. Cancellation - * arriving after entry skips a not-yet-started body or replaces a successful - * dispatch outcome with `ABORTED`; already-started work is still drained and - * may retain a tool-owned structured error. + * arriving after entry and before final result materialization skips a + * not-yet-started body or replaces a successful pipeline outcome with + * `ABORTED`; already-started work is still drained and may retain a + * tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -156,10 +157,10 @@ Classify a pending call through the caller's visible tool definition. Only an ex async execute(exec: ToolExecutionInput): Promise ``` -Execute through pre-policy, guards, around-dispatch, post-policy, and final notification. Tool and listener failures resolve as materialized error results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is the same lossless, frozen snapshot final observers receive. Cancellation arriving after entry skips a not-yet-started body or replaces a successful dispatch outcome with `ABORTED`; already-started work is still drained and may retain a tool-owned structured error. +Execute through pre-policy, guards, around-dispatch, post-policy, and final notification. Tool and listener failures resolve as materialized error results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is the same lossless, frozen snapshot final observers receive. Cancellation arriving after entry and before final result materialization skips a not-yet-started body or replaces a successful pipeline outcome with `ABORTED`; already-started work is still drained and may retain a tool-owned structured error. - `exec` — the typed same-process call input. The registry assigns its correlation token before policy begins. **Returns** the materialized final result. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L814) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L817) From a99750f34128f4d3c2253fd854eecc89fe6157b9 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 19 Jul 2026 23:37:41 +0800 Subject: [PATCH 05/28] docs(rfc): propose required capability cancellation --- docs/rfc/INDEX.md | 1 + ...on-through-tool-capability-seams.i18n.yaml | 6 ++ ...cellation-through-tool-capability-seams.md | 65 +++++++++++++++++++ ...lation-through-tool-capability-seams.zh.md | 65 +++++++++++++++++++ 4 files changed, 137 insertions(+) create mode 100644 docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml create mode 100644 docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.md create mode 100644 docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md index ce09af9aa8..6ec74f814e 100644 --- a/docs/rfc/INDEX.md +++ b/docs/rfc/INDEX.md @@ -30,6 +30,7 @@ Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; |---|---| | [Runtime schemas for the event vocabulary (Zod vs the merge-extensible-map pattern)](proposed/architecture/2026-06-16-typed-event-schemas.md) | 2026-06-16 | | [SDK project editing architecture](proposed/architecture/2026-07-15-sdk-project-editing-architecture.md) | 2026-07-15 | +| [Required cancellation through tool-reachable capability seams](proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.md) | 2026-07-19 | ### Process diff --git a/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml b/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml new file mode 100644 index 0000000000..57a288df41 --- /dev/null +++ b/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml @@ -0,0 +1,6 @@ +# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each +# side as of the last confirmed-consistent state. Both languages carry equal authority; +# after editing either side, bring the other along and re-record with: +# pnpm run verify-translation-pairing --write +2026-07-19-required-cancellation-through-tool-capability-seams.md: 6024406506ec129fa08d0b5a0d3cb50474d785d5 +2026-07-19-required-cancellation-through-tool-capability-seams.zh.md: 0e75f8de85ac1d8f92bb0422d504cc7716c8b58f diff --git a/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.md b/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.md new file mode 100644 index 0000000000..6024406506 --- /dev/null +++ b/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.md @@ -0,0 +1,65 @@ +# RFC: Required cancellation through tool-reachable capability seams + +Status: proposed + +English | [中文](2026-07-19-required-cancellation-through-tool-capability-seams.zh.md) + +## Problem + +The implemented [tool registry cancellation contract](../../implemented/architecture/2026-07-19-cooperative-tool-cancellation.md) makes `exec.signal` required in every tool body, but many asynchronous capability interfaces reached from those bodies still accept an optional signal. A tool can therefore satisfy its own type while accidentally dropping cancellation at the next same-process call. + +That gap is transitive. A filesystem tool may call path resolution and I/O, a web tool may call a provider, a bash tool may call an executor, and a composite tool may start or wait for tasks, subagents, or workflows. If any awaited operation controlling tool-owned work accepts omission, TypeScript cannot prove that cancellation remains available at the boundary that owns the side effect. + +Requiring signals on every asynchronous function in the repository would overreach. Some operations are not reachable from tools, some synchronous queries cannot wait or own ongoing work, and explicitly detached work has a new owner after a deliberate handoff. + +## Proposal + +Require an `AbortSignal` on every asynchronous same-process capability operation that is reachable from a tool body while the tool still owns or awaits the operation. The requirement may be a positional parameter or a required readonly request field according to the owning seam's existing shape, but omission must fail TypeScript compilation. + +Each direct caller supplies a signal it owns or propagates from its own required operation context. Implementations may derive a child deadline or cancellation scope, but the derived signal remains linked to the upstream signal for the delegated lifetime. Capability implementations do not synthesize never-abort signals, use ambient async-local cancellation, or validate `AbortSignal` at runtime solely to repeat the typed same-process contract. + +The migration begins with an inventory from every first-party `ToolDefinition.execute()` through the capability calls it awaits. It then changes each coherent interface/implementation/consumer seam together, including tests and generated API documentation. Separate PRs may migrate filesystem, bash/task, web/provider, workflow/subagent, code-runtime, and similar families so each change remains reviewable, but no migrated interface keeps an optional compatibility overload under the repository's pre-release policy. + +### Scope boundary + +The proposal includes asynchronous capability operations whose completion or cancellation remains part of the invoking tool's lifetime, including start operations before ownership transfer, foreground execution, reads and writes, provider requests, waits, and cleanup or disposal that the tool awaits. + +The proposal excludes synchronous registry lookup, availability checks, schema rendering, argument classification, and other operations that cannot retain asynchronous work. It also excludes work after an explicit detached-ownership handoff: once a task, workflow, worker, or child agent has been successfully published to a new lifecycle owner, that owner's controller governs the detached lifetime. The initiating start operation still requires the caller signal until the handoff commits, and any later tool call that waits for detached work requires its own invocation signal. + +Optional cancellation may remain on parser, config, model/tool JSON, durable/file format, worker, process, or wire inputs when the external protocol makes it optional. The owning boundary must resolve that input into a required same-process signal before calling a migrated capability seam. + +## Alternatives considered + +**Leave downstream signals optional because tool bodies now receive one.** Rejected because availability at the outer callback does not make propagation type-safe; omission remains legal at every optional capability call. + +**Enforce propagation with lint rules or callback inspection.** Rejected because syntax checks cannot reliably identify ownership, derived signals, abstraction layers, or correct quiescent settlement. Required interface parameters express the contract where TypeScript can check every caller. + +**Pass `ToolRunContext` through every capability.** Rejected because capabilities need cancellation, not tool identity, agent state, or context deferral. Passing the larger context couples reusable services to the tool registry and obscures the narrow seam. + +**Use an ambient async-local signal.** Rejected because hidden propagation makes ownership and detached handoff difficult to audit, complicates tests, and lets calls silently bind to the wrong lifetime. + +**Add default or never-abort signals at capability implementations.** Rejected because defaults erase the missing owner instead of exposing it at compile time. + +**Migrate every capability in the implemented tool-registry PR.** Rejected because the transitive interface changes span independent capability families. Keeping this proposal separate preserves the implemented registry decision and lets each deep seam migrate with focused tests. + +## Acceptance criteria + +- An inventory maps every first-party tool body to the asynchronous capability operations it can reach before ownership handoff. +- Every in-scope capability interface requires `AbortSignal`, and compile-time contract tests prove omission fails. +- Interface, implementation, direct consumer, test helper, example, and generated API references migrate together without compatibility overloads or never-abort production sentinels. +- Derived deadlines and wrapper scopes remain linked to the caller signal, and integration tests prove cancellation reaches the side-effect owner and awaited work reaches quiescence. +- Synchronous queries and explicitly detached post-handoff work remain outside the requirement, with ownership transitions documented and tested where ambiguity exists. +- Runtime validation is added only at an actual untyped boundary, not to repeat a required TypeScript field or parameter. +- The top-level typecheck, coverage, snapshot, documentation, module-graph, build, hygiene, demo, and built-artifact gates pass after each coherent migration. + +## Risks + +**Large transitive blast radius.** A required parameter can expose many direct callers at once. Migrate by coherent capability family and use typecheck failures as the complete caller inventory. + +**Incorrect detached-work classification.** Excluding a start operation too early can detach work before publication is committed; requiring the parent signal forever can let a completed tool cancel legitimately detached work. Each handoff needs an explicit commit point, new owner, rollback behavior, and quiescent failure path. + +**Signal ownership confusion.** A capability that stores a borrowed signal beyond the delegated lifetime can bind work to a stale caller. Interfaces and tests must distinguish borrowed operation signals from controllers owned by long-lived services. + +**Mechanical compliance without cooperation.** A required parameter proves availability, not observation or forwarding. Integration tests at process, worker, socket, provider, and task boundaries remain necessary to prove behavior. + +**Over-scoping synchronous or unrelated APIs.** Requiring cancellation where no asynchronous work exists adds noise and weakens the signal of the contract. The inventory records why each operation is tool-reachable and lifetime-bearing before changing it. diff --git a/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md b/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md new file mode 100644 index 0000000000..0e75f8de85 --- /dev/null +++ b/docs/rfc/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md @@ -0,0 +1,65 @@ +# RFC：工具可达能力接缝中的必填取消 + +Status: proposed + +[English](2026-07-19-required-cancellation-through-tool-capability-seams.md) | 中文 + +## 问题 + +已经实现的[工具注册表取消契约](../../implemented/architecture/2026-07-19-cooperative-tool-cancellation.md)让每个工具主体中的 `exec.signal` 成为必填值，但许多由工具主体调用的异步能力接口仍接受可选信号。因此，工具可以满足自身类型，却在下一次同进程调用时意外丢失取消。 + +这项缺口会沿调用链传递。文件系统工具可能调用路径解析和 I/O，Web 工具可能调用提供方，Bash 工具可能调用执行器，组合工具可能启动或等待任务、子智能体或工作流。只要某个控制工具所持有工作的等待操作允许省略信号，TypeScript 就无法证明取消仍能到达拥有副作用的边界。 + +要求仓库中所有异步函数都携带信号会过度扩张。有些操作无法从工具到达，有些同步查询不会等待或持有持续工作，而明确分离的工作在刻意交接后已经拥有新的所有者。 + +## 提议 + +所有能从工具主体到达、且在工具仍持有或等待该操作期间执行的异步同进程能力操作，都必须接收 `AbortSignal`。根据所属接缝的既有形态，这项要求可以表现为位置参数，也可以表现为必填的只读请求字段，但省略信号必须导致 TypeScript 编译失败。 + +每个直接调用方提供自己持有的信号，或从自身必填的操作上下文继续传递信号。实现可以派生子截止时间或取消作用域，但派生信号在委托期间仍须与上游信号关联。能力实现不得生成永不中止信号、使用环境式异步本地取消，也不得仅为重复类型化同进程契约而在运行时校验 `AbortSignal`。 + +迁移首先从每个第一方 `ToolDefinition.execute()` 出发，清点其等待的能力调用；随后把每个内聚的接口、实现和使用方接缝连同测试与生成的 API 文档一起修改。文件系统、Bash 与任务、Web 与提供方、工作流与子智能体、代码运行时等能力族可以通过独立 PR 迁移，以保持每项变更可审查；但根据仓库的预发布原则，已经迁移的接口不得保留可选兼容重载。 + +### 范围边界 + +本提议包含完成或取消仍属于当前工具生命周期的异步能力操作，包括所有权交接前的启动操作、前台执行、读写、提供方请求、等待，以及工具会等待的清理或释放操作。 + +本提议不包含同步注册表查询、可用性检查、schema 渲染、参数分类，以及其他无法保留异步工作的操作。明确交接所有权后的分离工作也不在范围内：任务、工作流、worker 或子智能体成功发布给新的生命周期所有者后，其分离生命周期由新所有者的控制器管理。发起启动的操作在交接提交前仍须接收调用方信号；之后若另一次工具调用等待该分离工作，则必须使用该次调用自己的信号。 + +若外部协议本身允许省略取消，解析器、配置、模型与工具 JSON、持久化与文件格式、worker、进程或线协议输入仍可保留可选取消。所属边界必须先把该输入解析为必填的同进程信号，再调用已经迁移的能力接缝。 + +## 考虑过的替代方案 + +**因为工具主体已经收到信号，所以继续让下游信号保持可选。** 不予采纳，因为外层回调中存在信号并不能让传递过程具备类型安全；每个可选能力调用仍可合法省略它。 + +**通过 lint 规则或回调检查强制传递。** 不予采纳，因为语法检查无法可靠识别所有权、派生信号、抽象层或正确的完全停稳行为。必填接口参数可以在 TypeScript 能检查每个调用方的位置表达契约。 + +**把 `ToolRunContext` 传入所有能力。** 不予采纳，因为能力需要的是取消，而不是工具身份、智能体状态或上下文延后功能。传递更大的上下文会让可复用服务耦合到工具注册表，也会掩盖狭窄接缝。 + +**使用环境式异步本地信号。** 不予采纳，因为隐藏传递会让所有权和分离交接难以审计，使测试复杂化，并可能让调用静默绑定到错误的生命周期。 + +**在能力实现中加入默认或永不中止信号。** 不予采纳，因为默认值会抹去缺失的所有者，而不是在编译期暴露问题。 + +**在已经实现的工具注册表 PR 中迁移所有能力。** 不予采纳，因为传递性的接口修改横跨独立能力族。单独保留这项提议既能维持已实现的注册表决策，也能让每个深层接缝通过聚焦测试完成迁移。 + +## 验收标准 + +- 清单把每个第一方工具主体映射到所有权交接前可以到达的异步能力操作。 +- 每个范围内的能力接口都要求 `AbortSignal`，并由编译期契约测试证明省略信号会失败。 +- 接口、实现、直接使用方、测试辅助函数、示例和生成的 API 引用必须一起迁移，不保留兼容重载或生产环境永不中止哨兵。 +- 派生截止时间和包装层作用域仍与调用方信号关联，集成测试证明取消到达副作用所有者，且等待的工作完全停稳。 +- 同步查询和明确交接后的分离工作不受这项要求约束；存在歧义时，需要记录并测试所有权转换。 +- 只有真实的无类型边界才添加运行时校验，不得重复校验 TypeScript 已要求的字段或参数。 +- 每次内聚迁移后，顶层 typecheck、覆盖率、快照、文档、模块图、构建、hygiene、演示和构建产物门禁全部通过。 + +## 风险 + +**传递性影响范围较大。** 一个必填参数可能同时暴露大量直接调用方。应按内聚能力族迁移，并把 typecheck 失败作为完整的调用方清单。 + +**错误划分分离工作。** 过早排除启动操作可能在发布提交前就让工作脱离控制；永久要求父信号又可能让已完成工具取消合法分离的工作。每次交接都需要明确提交点、新所有者、回滚行为和完全停稳的失败路径。 + +**信号所有权混淆。** 能力若在委托生命周期之外保存借用信号，可能让工作绑定到过期调用方。接口和测试必须区分借用的操作信号与长生命周期服务所持有的控制器。 + +**只有机械合规而没有协作行为。** 必填参数只能证明信号可用，不能证明实现会观察或转发它。进程、worker、套接字、提供方和任务边界仍需集成测试证明实际行为。 + +**把同步或无关 API 纳入范围。** 在不存在异步工作的地方要求取消只会增加噪声，并削弱契约的辨识度。修改前，清单需要记录每项操作为何可由工具到达并承载其生命周期。 From e8b95c875403ef7e8ddf86efe8ee93279e6db51e Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Sun, 19 Jul 2026 23:38:54 +0800 Subject: [PATCH 06/28] feat(tools): require cancellation signal on every invocation --- AGENTS.md | 1 + docs/architecture.md | 2 +- docs/config-catalog.md | 2 +- docs/cookbook/adding-a-tool.i18n.yaml | 4 +- docs/cookbook/adding-a-tool.md | 4 +- docs/cookbook/adding-a-tool.zh.md | 4 +- docs/cordis-catalog/events.md | 15 +- docs/cordis-catalog/services.md | 8 +- docs/core-data-structures/tools.md | 31 +- docs/event-producer-consumer.md | 6 +- ...19-cooperative-tool-cancellation.i18n.yaml | 4 +- ...026-07-19-cooperative-tool-cancellation.md | 62 +-- ...-07-19-cooperative-tool-cancellation.zh.md | 64 +-- .../feature/2026-06-30-interception-seams.md | 2 +- .../snapshots/cancel-tool-calls/session.jsonl | 2 +- .../cancel-tool-calls/stdout.expected.jsonl | 2 +- .../cordis-inspect-jsdoc/session.jsonl | 2 +- .../stdout.expected.jsonl | 2 +- .../cordis-agent/tests/cordis-tools.e2e.ts | 5 + packages/AGENTS.md | 1 - packages/bash/tool-bash/src/index.ts | 6 +- .../bash/tool-bash/tests/bash-env.spec.ts | 3 + packages/bash/tool-bash/tests/tools.spec.ts | 19 +- .../context/workspace-context/src/state.ts | 2 +- .../tests/workspace-context.spec.ts | 83 +++- .../cordis/tool-cordis/src/api-catalog.ts | 8 +- packages/cordis/tool-cordis/tests/helpers.ts | 4 +- packages/core/agent-loop/README.md | 4 +- packages/core/agent-loop/src/tool-calls.ts | 6 +- .../agent-loop/tests/agent-initiator.spec.ts | 3 + packages/core/agent-loop/tests/cancel.spec.ts | 4 +- .../tests/contract-regressions.spec.ts | 11 +- .../core/agent-loop/tests/tool-calls.spec.ts | 16 +- packages/core/tools/README.md | 6 +- packages/core/tools/src/code-mode.ts | 7 +- packages/core/tools/src/index.ts | 191 +++++--- packages/core/tools/tests/code-mode.spec.ts | 21 +- .../core/tools/tests/execution-mode.spec.ts | 4 +- .../tests/execution-signal-types.spec.ts | 100 +++++ packages/core/tools/tests/scoped.spec.ts | 15 +- packages/core/tools/tests/tools.spec.ts | 418 ++++++++++++++---- .../agent-spine-demo/tests/agent-core.spec.ts | 6 +- .../examples/cli-demo/tests/cli-demo.spec.ts | 6 +- packages/fs/tool-fs-search/src/search-core.ts | 2 +- .../tool-fs-search/tests/integration.spec.ts | 11 +- .../fs/tool-fs-search/tests/tools.spec.ts | 49 +- packages/fs/tool-fs/src/session-cwd.ts | 2 +- packages/fs/tool-fs/tests/integration.spec.ts | 19 +- packages/fs/tool-fs/tests/tools.spec.ts | 9 +- .../tests/repeat-tool-guard.spec.ts | 4 +- packages/hooks/hooks-claude/src/index.ts | 4 +- .../hooks-claude/tests/coverage-cases.ts | 4 +- packages/hooks/hooks-codex/src/index.ts | 4 +- .../hooks/hooks-codex/tests/coverage-cases.ts | 6 +- packages/mcp/mcp-client/src/tools.ts | 2 +- .../mcp/mcp-client/tests/mcp-client.e2e.ts | 15 + .../mcp/mcp-client/tests/mcp-client.spec.ts | 40 +- .../skill/tool-skill/tests/tool-skill.spec.ts | 17 +- .../spill-policy/tests/spill-policy.spec.ts | 6 +- .../tests/structured.spec.ts | 10 + packages/subagent/tool-subagent/src/index.ts | 5 +- .../tool-subagent/tests/tool-subagent.spec.ts | 39 +- .../tasks/tool-tasks/tests/tool-tasks.spec.ts | 4 +- packages/timeout/timeout-policy/src/index.ts | 6 +- .../tests/timeout-policy.spec.ts | 50 ++- .../todo/tool-todo/tests/tool-todo.spec.ts | 3 + packages/ui/tool-ask-user/src/index.ts | 2 +- .../tool-ask-user/tests/tool-ask-user.spec.ts | 8 + .../web/tool-web/tests/integration.spec.ts | 6 +- packages/web/tool-web/tests/spill.spec.ts | 4 +- packages/web/tool-web/tests/tool-web.spec.ts | 17 +- packages/workflow/tool-workflow/src/index.ts | 9 +- .../tool-workflow/tests/tool-workflow.spec.ts | 13 +- scripts/gen-cordis-catalog.ts | 1 + scripts/type-equiv.manifest.json | 1 + website/zh-CN/api/harness/events.md | 13 +- website/zh-CN/api/harness/tools.md | 24 +- 77 files changed, 1129 insertions(+), 446 deletions(-) create mode 100644 packages/core/tools/tests/execution-signal-types.spec.ts diff --git a/AGENTS.md b/AGENTS.md index cd3505ea8b..e6a030e94d 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -113,6 +113,7 @@ Real-API tests and demos read `DEEPSEEK_API_KEY`, optional `DEEPSEEK_BASE_URL`, - **No hardcoded tunables in plugins**: deployment-varying choices are validated `Config` fields changeable from cordis.yml; a `DEFAULT_*` constant or test seam is not configurability. Protocol constants, external specs, and security invariants stay fixed. - **Misconfiguration fails loud** at load when self-contained, otherwise at the earliest resolvable point; never silently skip a missing referent. - **Opaque cross-boundary ids are branded** (`Branded` from `dsh-brand`), never bare `string`. +- **Trust TypeScript at typed same-process seams.** Do not add runtime validation, fallback behavior, or hostile-input tests solely for values the static interface requires; validate at parser/config, queued, model/tool JSON, durable/file, worker, process, and wire boundaries. - **An empty `catch` names what it swallows** and why nothing else can reach it; keep the `try` to one statement. - **Prefer symmetry for parallel values**; unexplained asymmetry usually signals a missed extraction. - **Tests describe behavior, not correctness.** Change obsolete behavior with its tests; explain why in the PR. diff --git a/docs/architecture.md b/docs/architecture.md index fd21648dd2..d04f8227b3 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -116,7 +116,7 @@ Tool-time context—including async `agent.inject()` notices and post-tool `addi The turn is the containment boundary. Final adapter-path and terminal in-band failures close the step before `agent/request-error`; retry opens a numbered step; otherwise, the provider error survives. Attempts reset on success. -Other failures use `agent/error`. Cancellation and disposal beat recovery; undispatched model tool calls receive synthetic `tool/call` and `ABORTED` result pairs before `turn/end`. `cancel()` clears queues and aborts active work; disposal awaits quiescence before unregistering. +Other failures use `agent/error`. Cancellation and disposal beat recovery; undispatched model tool calls receive synthetic `tool/call` and `ABORTED_BEFORE_DISPATCH` result pairs before `turn/end`. `cancel()` clears queues and aborts active work; disposal awaits quiescence before unregistering. Every session event is turn-enclosed. Reloading preserves an interrupted tail and closes it with a synthetic `interrupted` turn end. Failures after durable turn close report only through `agent/error` because no safe in-turn position remains. Each turn has one `TurnEndReason`; [TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap) owns the variants. diff --git a/docs/config-catalog.md b/docs/config-catalog.md index c0050d2ae3..bd7adaae98 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -1230,7 +1230,7 @@ export interface Config { export type ToolPresentationMode = 'native' | 'code' | 'both' ``` -Source: [`packages/core/tools/src/index.ts:399`](../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:419`](../packages/core/tools/src/index.ts) ## `@deepseek-ai/dsh-tui` diff --git a/docs/cookbook/adding-a-tool.i18n.yaml b/docs/cookbook/adding-a-tool.i18n.yaml index 6ec964c335..08798e2bb9 100644 --- a/docs/cookbook/adding-a-tool.i18n.yaml +++ b/docs/cookbook/adding-a-tool.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -adding-a-tool.md: da214702939e01fedf3d0d69be7560bbafe0696a -adding-a-tool.zh.md: b216d18b1593cd7e6074685bd39684f1b9694eac +adding-a-tool.md: 2057009e3a656a51011c73b4d4b94b97ed4c3930 +adding-a-tool.zh.md: 42b56c54c9fe511cef943a765d8de6e6eb7a58a9 diff --git a/docs/cookbook/adding-a-tool.md b/docs/cookbook/adding-a-tool.md index da21470293..2057009e3a 100644 --- a/docs/cookbook/adding-a-tool.md +++ b/docs/cookbook/adding-a-tool.md @@ -37,7 +37,7 @@ Registration is effect-based: disposing the plugin fiber unregisters the tool (w - **Args are validated for you.** `defineTool` validates the model-generated `arguments` against the `SchemaSpec` before `execute` runs (type, required keys, enum membership, nested objects/arrays — [runtime arg validation](../rfc/implemented/architecture/2026-06-11-runtime-arg-validation.md)), so inside `execute` the args already match `InferArgs`. You still hand-check value constraints the DSL can't express (non-empty strings, positive numbers, cross-field rules); throw a descriptive Error for those. Raw JSON-Schema tools registered directly (MCP) are NOT validated by the harness — they validate their own input. - **Registration borrows your readonly definition.** A typed same-process contribution is not a serialization boundary; do not mutate its schema or replace callbacks after registration. `schemas()` materializes only the explicit model-facing projection. To hot-swap a tool, dispose its owning effect and register the replacement; mutable state inside the callback's closure remains ordinary plugin state. -- **Execution identity is protected.** The registry materializes `arguments` as detached lossless JSON in one recursive pass, freezes that value before policy starts, and assigns an opaque `exec.token`; `callId`, `name`, `arguments`, `agent`, `token`, and an optional enclosing-transport `parent` token stay immutable through dispatch. `parent` is identity-only and exposes no live outer execution. Treat `args` as readonly input. An around-dispatch wrapper may add, replace, or remove only `exec.signal` to impose cancellation or a deadline. +- **Execution identity is protected.** The registry materializes `arguments` as detached lossless JSON in one recursive pass, freezes that value before policy starts, and assigns an opaque `exec.token`; `callId`, `name`, `arguments`, `agent`, `token`, the required caller-owned `signal`, and an optional enclosing-transport `parent` token stay immutable through dispatch. `parent` is identity-only and exposes no live outer execution. Treat `args` as readonly input. Only an around-dispatch wrapper receives a mutable view, and it may replace and restore the required `exec.signal` to impose a deadline but cannot remove it. - **Throwing or returning non-JSON data means `isError`.** The registry catches throws and materializes the final result before observers run. A malformed or non-JSON result becomes `{ isError: true }`, preventing a live success that cannot be logged. Throw for infrastructure failures; report domain failures in result text when the model must interpret them. - **Honor `exec.signal`.** Cancel in-flight work when it fires. - **Attach durable card data with `meta` (optional).** `execute` may return `{ content, meta }` instead of a bare `ContentBlock[]` — `meta` is a JSON-serializable payload the core treats as opaque, persisted on the `tool/result` event and handed back to your `presentResult` (so a card that needs more than `args`, like `write`/`edit`'s applied-hunk diff, survives a session replay). Keep UI-only data here, never in the model-facing `content`. @@ -45,7 +45,7 @@ Registration is effect-based: disposing the plugin fiber unregisters the tool (w ## Long-running work -Gate `run_in_background` with producer config, reject a pre-aborted call, then register through `ctx.tasks.start({ kind, label, owner: exec.agent, run })`. The runtime validates ownership and control-surface availability before `run()` starts work, then supplies the id, session fence, generic control tools, notices, and owner cleanup. +Gate `run_in_background` with producer config, then register through `ctx.tasks.start({ kind, label, owner: exec.agent, run })`. The registry skips a pre-aborted invocation before the producer body; the runtime validates ownership and control-surface availability before `run()` starts work, then supplies the id, session fence, generic control tools, notices, and owner cleanup. The producer supplies synchronous `cancel`, non-rejecting `done` that settles after resource cleanup, and optional consuming `readOutput` with bounded-output formatting. Once the id is returned, use a task-owned cancellation signal rather than `exec.signal`. See the [background task runtime RFC](../rfc/implemented/architecture/2026-06-20-generic-long-running-tool-runtime.md) and `dsh-tool-bash` for a stream producer. diff --git a/docs/cookbook/adding-a-tool.zh.md b/docs/cookbook/adding-a-tool.zh.md index b216d18b15..42b56c54c9 100644 --- a/docs/cookbook/adding-a-tool.zh.md +++ b/docs/cookbook/adding-a-tool.zh.md @@ -37,7 +37,7 @@ export function apply(ctx: Context) { - **参数已为你校验。** `defineTool` 在 `execute` 运行前，会根据 `SchemaSpec` 校验模型生成的 `arguments`（类型、必填键、枚举成员、嵌套对象/数组——见[运行时参数校验](../rfc/implemented/architecture/2026-06-11-runtime-arg-validation.md)），因此 `execute` 内部的 args 已匹配 `InferArgs`。你仍需手动检查 DSL 无法表达的值约束（非空字符串、正数、跨字段规则），对这些情况抛出描述性 Error。直接注册的原始 JSON-Schema 工具（MCP）不由 harness 校验，它们自行校验输入。 - **注册借用你的只读定义。** 类型化的同进程贡献不是序列化边界；注册后不要修改其 schema 或替换回调。`schemas()` 只物化显式的模型可见投影。如需热替换工具，请 dispose 其所属副作用并注册替代品；回调闭包内的可变状态仍是普通的插件状态。 -- **执行身份受保护。** 注册表在一次递归遍历中将 `arguments` 物化为分离的无损 JSON，在策略开始前冻结该值，并分配一个不透明的 `exec.token`；`callId`、`name`、`arguments`、`agent`、`token` 以及可选的外层传输 `parent` token 在整个分发过程中保持不可变。`parent` 仅用于身份标识，不暴露活跃的外层执行。请将 `args` 视为只读输入。around-dispatch 包装器只能添加、替换或移除 `exec.signal`，以施加取消或截止时间。 +- **执行身份受保护。** 注册表在一次递归遍历中将 `arguments` 物化为分离的无损 JSON，在策略开始前冻结该值，并分配一个不透明的 `exec.token`；`callId`、`name`、`arguments`、`agent`、`token`、必填且由调用方持有的 `signal`，以及可选的外层传输 `parent` token 在整个分发过程中保持不可变。`parent` 仅用于身份标识，不暴露活跃的外层执行。请将 `args` 视为只读输入。只有 around-dispatch 包装器会收到可变视图；它可以替换并恢复必填的 `exec.signal` 以施加截止时间，但不能移除该信号。 - **抛出异常或返回非 JSON 数据意味着 `isError`。** 注册表捕获异常，并在观察者运行前物化最终结果。格式错误或非 JSON 的结果变为 `{ isError: true }`，防止出现无法记录的活跃成功。基础设施故障请抛异常；当模型需要解读领域失败时，请在结果文本中报告。 - **遵守 `exec.signal`。** 信号触发时取消进行中的工作。 - **使用 `meta` 附加持久化的卡片数据（可选）。** `execute` 可以返回 `{ content, meta }` 而非裸的 `ContentBlock[]`。`meta` 是 JSON 可序列化的载荷，核心将其视为不透明数据，持久化在 `tool/result` 事件上并回传给你的 `presentResult`（这样需要 `args` 之外信息的卡片——如 `write`/`edit` 的已应用 hunk diff——在会话回放中依然存活）。仅在此处放 UI 数据，绝不放入模型可见的 `content`。 @@ -45,7 +45,7 @@ export function apply(ctx: Context) { ## 长时间运行的工作 -通过 producer 配置控制 `run_in_background`，拒绝已预先中止的调用，然后使用 `ctx.tasks.start({ kind, label, owner: exec.agent, run })` 注册任务。运行时会在 `run()` 启动工作前校验 owner 和控制面是否可用，随后提供 id、会话围栏、通用控制工具、通知和 owner cleanup。 +通过 producer 配置控制 `run_in_background`，然后使用 `ctx.tasks.start({ kind, label, owner: exec.agent, run })` 注册任务。注册表会在进入 producer 主体前跳过已预先中止的调用；运行时会在 `run()` 启动工作前校验 owner 和控制面是否可用，随后提供 id、会话围栏、通用控制工具、通知和 owner cleanup。 producer 提供同步的 `cancel`、在资源清理后 settle 且不 reject 的 `done`，以及可选的消费式 `readOutput`（负责有界输出的格式化）。返回 id 后，应使用 task 自有的取消信号，而不是 `exec.signal`。流式 producer 的示例和完整契约见[后台 task 运行时 RFC](../rfc/implemented/architecture/2026-06-20-generic-long-running-tool-runtime.md)与 `dsh-tool-bash`。 diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 6c60c22bae..1b899b88e4 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -697,7 +697,7 @@ A tool was registered or unregistered, or a scoped restriction changed (the avai 'tools/change'(): void ``` -Source: [`packages/core/tools/src/index.ts:122`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:123`](../../packages/core/tools/src/index.ts) ### `tools/execute` — waterfall @@ -714,23 +714,24 @@ Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a nor * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal). * @mode waterfall */ -'tools/execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise +'tools/execute'(this: Scoped, exec: ToolDispatchExecution, next: () => Promise): Promise ``` -Types: [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) +Types: [Scoped](../core-data-structures/scope.md) · [ToolDispatchExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) Source: [`packages/core/tools/src/index.ts:93`](../../packages/core/tools/src/index.ts) ### `tools/post-execute` — waterfall -Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Async listeners must observe `exec.signal`; after they settle, caller cancellation replaces only a successful accepted outcome with `ABORTED`. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Async listeners must observe `exec.signal`; after they settle, caller cancellation replaces only a successful accepted outcome with the code selected by whether the tool body was invoked. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. ```ts cordis-catalog /** * Accept, replace, enrich, or block a normalized dispatch result. `next()` * accepts it unchanged; thrown tools still reach this seam as errors. Async * listeners must observe `exec.signal`; after they settle, caller - * cancellation replaces only a successful accepted outcome with `ABORTED`. + * cancellation replaces only a successful accepted outcome with the code + * selected by whether the tool body was invoked. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the call that just ran (name, parsed arguments, caller agent). * @param result - the dispatch outcome a listener may accept, replace, or block. @@ -741,7 +742,7 @@ Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts Types: [PostToolDecision](../core-data-structures/tools.md) · [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:104`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:105`](../../packages/core/tools/src/index.ts) ### `tools/pre-execute` — waterfall @@ -781,7 +782,7 @@ Observe the frozen, lossless-JSON final outcome. Listener failures are contained Types: [Scoped](../core-data-structures/scope.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolRegistry](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:112`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:113`](../../packages/core/tools/src/index.ts) ## `workflow/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 3cc0df2e72..4e1ac52438 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -1176,9 +1176,9 @@ executionMode(exec: ToolExecutionInput): ToolExecutionMode * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is * the same lossless, frozen snapshot final observers receive. Cancellation * arriving after entry and before final result materialization skips a - * not-yet-started body or replaces a successful pipeline outcome with - * `ABORTED`; already-started work is still drained and may retain a - * tool-owned structured error. + * not-yet-started body with `ABORTED_BEFORE_DISPATCH` or replaces a + * successful started outcome with `ABORTED`; already-started work is still + * drained and may retain a tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -1188,7 +1188,7 @@ async execute(exec: ToolExecutionInput): Promise Types: [ScopeKey](../core-data-structures/scope.md) · [ToolDefinition](../core-data-structures/tools.md) · [ToolExecutionInput](../core-data-structures/tools.md) · [ToolExecutionMode](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) · [ToolGuard](../core-data-structures/tools.md) · [ToolRestriction](../core-data-structures/tools.md) · [ToolSchema](../core-data-structures/tools.md) -Source: [`packages/core/tools/src/index.ts:467`](../../packages/core/tools/src/index.ts) +Source: [`packages/core/tools/src/index.ts:493`](../../packages/core/tools/src/index.ts) ## `ctx.userInteraction` — `UserInteractionService` diff --git a/docs/core-data-structures/tools.md b/docs/core-data-structures/tools.md index c20e3ac0d7..ae02b1dfa4 100644 --- a/docs/core-data-structures/tools.md +++ b/docs/core-data-structures/tools.md @@ -147,7 +147,7 @@ interface ToolRestriction { ## Execution: extensible waterfalls plus monotonic policy -`ctx.tools.execute()` accepts a caller-owned `ToolExecutionInput`, materializes its parsed JSON arguments once into a pipeline-owned `ToolExecution`, and runs that call through `tools/pre-execute` (the reorderable allow/deny/ask waterfall) → registered monotonic guards → `tools/execute` (around-dispatch wrappers) → `tools/post-execute` (inspect/replace the result) → `tools/result` (the immutable authoritative outcome). The outcome is a `ToolExecutionResult`. +`ctx.tools.execute()` accepts a caller-owned `ToolExecutionInput` with a required readonly `signal`, materializes its parsed JSON arguments once into a pipeline-owned `ToolExecution`, and runs that call through `tools/pre-execute` (the reorderable allow/deny/ask waterfall) → registered monotonic guards → `tools/execute` (around-dispatch wrappers) → `tools/post-execute` (inspect/replace the result) → `tools/result` (the immutable authoritative outcome). Only the `tools/execute` view may replace the required signal. The outcome is a `ToolExecutionResult`. ```ts type-equiv /** Opaque call identity that permits correlation without exposing mutable execution state. */ @@ -170,10 +170,11 @@ interface ToolExecutionInput { /** * Opaque token of the enclosing transport execution, when one exists. Code * Mode sets this on SDK sub-dispatches so commit-style observers can wait for - * the outer `run_code` outcome without receiving its live mutable execution. - */ + * the outer `run_code` outcome without receiving its live mutable execution. + */ readonly parent?: ToolExecutionToken - signal?: AbortSignal + /** Required caller-owned cancellation for this invocation. */ + readonly signal: AbortSignal } ``` @@ -212,11 +213,9 @@ type ToolExecutionMode = /** * One pending tool call inside the registry pipeline. Parsed arguments cross * one lossless-JSON materialization boundary before policy and are deep-frozen; - * call identity and the registry-assigned {@link token} are readonly. An - * around-dispatch wrapper may set, replace, or remove `signal`; immediately - * before the body, the registry re-fuses the original caller signal so a - * wrapper cannot detach caller cancellation. The registry freezes the complete - * object before `tools/result` observers run. + * call identity, the caller signal, and the registry-assigned {@link token} are + * readonly. The registry freezes the complete object before `tools/result` + * observers run. */ interface ToolExecution extends ToolExecutionInput { /** Registry-assigned identity shared with nested calls only as their opaque `parent` token. */ @@ -224,7 +223,19 @@ interface ToolExecution extends ToolExecutionInput { } ``` -`ToolExecutionToken` is an opaque runtime `Symbol` used only for identity comparison. Before policy, `execute()` materializes and freezes arguments, rejects non-JSON input, and assigns the token. Identity fields and the optional parent token remain readonly; only `signal` may change around dispatch, and the registry re-fuses the caller signal before invoking the body. Final observers receive the frozen execution identity. +```ts type-equiv +/** + * Around-dispatch view of a {@link ToolExecution}. A `tools/execute` wrapper + * may replace the signal for its delegated lifetime, but it cannot remove it. + * The registry fuses every replacement with the captured caller signal. + */ +interface ToolDispatchExecution extends Omit { + /** Cancellation signal visible to the next wrapper or tool body. */ + signal: AbortSignal +} +``` + +`ToolExecutionToken` is an opaque runtime `Symbol` used only for identity comparison. Before policy, `execute()` materializes and freezes arguments, rejects non-JSON input, and assigns the token. Identity fields, the required caller signal, and the optional parent token remain readonly. A `ToolDispatchExecution` wrapper may replace but not remove the signal; the registry re-fuses the caller signal before invoking the body. Final observers receive the frozen execution identity. A `ToolGuard` is scope-aware final pre-dispatch policy. Its shape deliberately has no allow result: `undefined` preserves the waterfall decision, while a returned reason can only reduce permission, so a later listener cannot undo it. diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index d50cf458c2..41484e9c63 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -38,11 +38,11 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `subagent/start` | `emit` | [`packages/subagent/subagent/src/index.ts:103`](../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:27`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | [`acp`](../packages/ui/acp) | | `system-prompt/change` | `emit` | [`packages/core/system-prompt/src/index.ts:33`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | -| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:122`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | +| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:123`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | | `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:93`](../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:104`](../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), [`spill-policy`](../packages/spill/spill-policy), [`workspace-context`](../packages/context/workspace-context) | +| `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:105`](../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), [`spill-policy`](../packages/spill/spill-policy), [`workspace-context`](../packages/context/workspace-context) | | `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:82`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | -| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:112`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) | +| `tools/result` | `emit` | [`packages/core/tools/src/index.ts:113`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`events.dispatch`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`workspace-context`](../packages/context/workspace-context) | | `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:81`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | | `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:91`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | diff --git a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml index e54e5acce0..e31a68154a 100644 --- a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml +++ b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-19-cooperative-tool-cancellation.md: d810b8d31aceffd10c10014c3f53173ca81f283f -2026-07-19-cooperative-tool-cancellation.zh.md: b0e0d6107b385ca19917bc8379a04814504d0283 +2026-07-19-cooperative-tool-cancellation.md: 24bd16a26f2f1a82810ce0fd47697c6eaf62bcc4 +2026-07-19-cooperative-tool-cancellation.zh.md: 037c540e7ce912264355793e445f34af6e222f45 diff --git a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md index d810b8d31a..24bd16a26f 100644 --- a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md +++ b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md @@ -6,60 +6,68 @@ English | [中文](2026-07-19-cooperative-tool-cancellation.zh.md) ## Problem -Every registered tool receives an optional `AbortSignal`, but a signal alone does not define a reliable cancellation boundary. Cancellation can arrive while pre-execution policy or approval is waiting, while an around-dispatch wrapper is waiting before or after delegation, or after the tool body has started. If each tool and wrapper interprets those races independently, a body can start after its caller has cancelled or a late success can escape after cancellation. +Every typed tool invocation needs a caller-owned cancellation signal. An optional `ToolExecutionInput.signal` lets direct callers omit ownership, makes `exec.signal` optional in every tool body, and encourages registry fallbacks that cannot represent the caller's actual lifetime. -Around-dispatch plugins also need to replace `exec.signal` to add deadlines or other operational cancellation. Treating that mutable slot as the only caller signal lets a wrapper accidentally detach caller cancellation. Forbidding replacement would remove the lexical composition used by the [tool-call timeout policy](2026-07-07-tool-call-timeout-policy.md). +The pipeline also has different mutability needs at different stages. Tool implementations, pre-policy, post-policy, and result observers only borrow cancellation state, while an around-dispatch wrapper must temporarily replace the signal to add a deadline or another lexical cancellation scope. One mutable public type either grants mutation too broadly or prevents that composition. -Returning `ABORTED` by racing the tool promise is not a safe fallback. Same-process JavaScript keeps running after the losing promise is abandoned, so subprocesses, network activity, nested dispatches, and deferred context production can outlive the reported result. The registry cannot generically hard-kill that work because termination belongs to the capability that owns it, as established by the [timeout/deadline decision](2026-07-06-timeout-deadline-library.md). +Cancellation can arrive before policy, during approval, inside an around-dispatch wait, after a tool body starts, or while post-policy waits. One undifferentiated `ABORTED` result cannot tell durable consumers whether body side effects were possible. Racing a tool promise against cancellation is not a safe fallback because abandoned same-process work continues after the registry reports completion. ## Decision -`ToolRegistry` owns a cooperative, quiescent cancellation boundary for every call through `ctx.tools.execute()`. It preserves caller cancellation independently of around-dispatch mutation, prevents a body from starting after live cancellation, awaits every body that did start, and lets cancellation that wins before final result materialization supersede every successful pipeline outcome. +`ToolExecutionInput.signal` is a required readonly `AbortSignal`. `ToolExecution.signal` and `ToolRunContext.signal` are therefore required and readonly as well. Every typed caller supplies the signal it owns; the registry provides no overload, default controller, never-abort sentinel, or convenience execution path. -This is a control-plane guarantee, not universal hard termination. Every asynchronous `ToolDefinition.execute()` observes or forwards `exec.signal` and settles only after its owned work stops. The registry does not claim bounded-time settlement for same-process code that violates that contract. +`ToolDefinition.execute(args, exec)` keeps its existing signature. `defineTool()` contextually types `exec.signal` as a required `AbortSignal`, so every registered TypeScript tool can observe or forward cancellation without a cast. First-party direct callers and nested Code Mode dispatches pass their current operation signal explicitly. -### Caller cancellation survives the pipeline +The registry trusts this typed same-process contract. It does not perform runtime `AbortSignal` validation or add hostile-input tests for an omitted or malformed signal. Validation remains at parser/config, model/tool JSON, durable/file, worker, process, and wire boundaries; untyped JavaScript that violates the TypeScript interface has no compatibility contract. -The registry captures the caller's signal and whether it was already aborted when it materializes the execution. That state is kept outside the wrapper-mutable `ToolRunContext`. +### Mutability follows the pipeline stage -A signal that was live on entry is rechecked after `tools/pre-execute`, approval, and immediately before the tool body. Cancellation during any of those waits yields structured `ABORTED` without starting the body. Immediately before dispatch, the registry fuses the original caller signal with the current wrapper-supplied `exec.signal`, so adding, replacing, or removing the public slot cannot detach the caller from a running body. Dispatch-scoped listeners are removed when the body settles. +`ToolDispatchExecution` is identical to `ToolExecution` except that its required `signal` is mutable. Only the `tools/execute` waterfall receives this type. Pre-policy, post-policy, result observers, guards, and tool implementations receive readonly views of a private registry-owned mutable run object. -The registry also rechecks the original caller after the around-dispatch waterfall and post-result policy settle. A wrapper or post-policy listener cannot return a late successful result after caller cancellation merely because the body completed earlier. A wrapper- or policy-owned failure remains a failure; the timeout-policy wrapper may therefore classify its own winning deadline as `TOOL_TIMEOUT` instead of losing that information to generic cancellation. +An around-dispatch wrapper may replace `exec.signal` for its delegated lifetime but cannot typefully delete it or assign `undefined`. The registry captures the required caller signal outside that mutable object, fuses every wrapper replacement with the caller signal immediately before body invocation, removes dispatch-scoped listeners after settlement, and restores the required upstream signal unconditionally. -### Started work reaches quiescence +### Cancellation codes record whether dispatch occurred -Once `ToolDefinition.execute()` starts, the registry awaits it. Cancellation that arrives after the body starts notifies it through the fused signal but does not race or abandon its promise. If the body settles successfully after that cancellation, the registry replaces success with `{ name: 'AbortError', code: 'ABORTED' }`; a structured tool failure remains the more specific result. Context deferred by a composite tool is retained when generic cancellation replaces success. +`dsh-tools` exports `TOOL_ABORTED = 'ABORTED'` and `TOOL_ABORTED_BEFORE_DISPATCH = 'ABORTED_BEFORE_DISPATCH'`. The registry records body invocation immediately before calling `ToolDefinition.execute()`. -This applies even to an uncooperative body: the registry remains pending until the body settles. That cost is deliberate because returning early would make the call appear complete while its side effects remain live. Process, worker, network, and provider implementations supply their own termination mechanism and use the signal to reach quiescence; the registry only owns dispatch and result integrity. +`ABORTED_BEFORE_DISPATCH` carries `{ name: 'AbortError' }` and model text `Error: tool call aborted before dispatch`. It applies whenever cancellation prevents body invocation, including pre-aborted entry, cancellation during pre-policy or approval, an aborted wrapper signal, a wrapper success overtaken by caller cancellation before delegation, and agent-loop siblings skipped after turn cancellation. -A cancellation result produced before `tools/post-execute` continues through that policy; cancellation while an asynchronous post listener is waiting replaces only its successful outcome. The frozen `tools/result` notification is the completion boundary, and the agent loop records the resulting model-visible `tool/result`, preserving reconstructability. +`ABORTED` carries model text `Error: tool call aborted` and applies only after the body was invoked, including cancellation while an around wrapper or post-policy listener waits after body completion. A denial, wrapper failure, tool failure, or post-policy failure remains more specific than generic cancellation. A timeout owned by timeout-policy remains `TOOL_TIMEOUT`, and contexts deferred before a successful outcome is replaced remain attached. -### Pre-aborted entry is a distinct direct-call contract +### Pre-aborted entry short-circuits after materialization -A signal already aborted when registry entry begins still reaches the tool body. Direct service callers use that state for capability-specific cleanup or error translation, and the more specific result remains observable. The agent-loop scheduler does not start a new model-driven body under an already-aborted turn signal, so this exception does not reopen late model dispatch. +The registry first creates the call token and losslessly snapshots and freezes the arguments. A materialization failure wins even when the caller signal is already aborted. After successful materialization, a pre-aborted signal skips `tools/pre-execute`, approval, `tools/execute`, `tools/post-execute`, and the tool body, then publishes exactly one frozen authoritative `tools/result` with `ABORTED_BEFORE_DISPATCH`. + +### Started work still reaches quiescence + +Once a tool body starts, the registry awaits it. Cancellation reaches the body through the fused signal but never races or abandons its promise. A cooperative implementation stops or forwards cancellation and settles after its owned work reaches quiescence; an uncooperative same-process implementation can keep the registry pending indefinitely. Process, worker, network, and provider layers retain responsibility for their own termination mechanisms. + +This decision requires cancellation at the tool invocation seam only. Making signals required on asynchronous capabilities reachable from tool bodies is a separate migration proposed in [Required cancellation through tool-reachable capability seams](../../proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.md). ## Verification -[`tools.spec.ts`](../../../../packages/core/tools/tests/tools.spec.ts) pins cancellation during pre-policy and around/post waits, signal replacement and removal, no-late-success behavior, context retention, started-body drainage, and pre-aborted direct entry. [`tool-calls.spec.ts`](../../../../packages/core/agent-loop/tests/tool-calls.spec.ts) and [`contract-regressions.spec.ts`](../../../../packages/core/agent-loop/tests/contract-regressions.spec.ts) pin the no-late-start rule and balanced session-log results for undispatched sibling calls. [`timeout-policy.spec.ts`](../../../../packages/timeout/timeout-policy/tests/timeout-policy.spec.ts) pins caller-cancel-first and timeout-owned classification. +[`execution-signal-types.spec.ts`](../../../../packages/core/tools/tests/execution-signal-types.spec.ts) proves the required exact signal types, readonly observer and tool views, mutable-but-required around-dispatch view, and `defineTool()` inference. [`tools.spec.ts`](../../../../packages/core/tools/tests/tools.spec.ts) covers pre-aborted materialization, phase skipping, policy and wrapper races, body invocation classification, caller-signal fusion, error precedence, context retention, and quiescent drainage. [`tool-calls.spec.ts`](../../../../packages/core/agent-loop/tests/tool-calls.spec.ts) and [`contract-regressions.spec.ts`](../../../../packages/core/agent-loop/tests/contract-regressions.spec.ts) cover balanced durable results for undispatched siblings. [`code-mode.spec.ts`](../../../../packages/core/tools/tests/code-mode.spec.ts) and first-party integration suites cover explicit forwarding, while [`timeout-policy.spec.ts`](../../../../packages/timeout/timeout-policy/tests/timeout-policy.spec.ts) preserves timeout ownership. -No registry test can prove that arbitrary third-party same-process code stops in bounded time. Capability tests remain responsible for proving their subprocess, worker, socket, or provider cancellation reaches quiescence. +No registry test can prove that arbitrary third-party same-process code observes the signal or stops in bounded time. Capability tests continue to prove cancellation and quiescence at the boundary that owns each side effect. ## Alternatives considered -**Race the tool promise against cancellation.** Rejected because it reports completion while the losing promise and its side effects remain live. This violates the [quiescent-disposal rule](../../../defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it) and can let work mutate state after the session records `ABORTED`. +**Keep the signal optional and synthesize a fallback.** Rejected because a registry-owned fallback has no caller lifetime to represent and preserves the exact omission the type should prevent. -**Make the registry hard-kill every tool.** Rejected because same-process JavaScript has no safe generic preemption mechanism, while real termination differs by capability: process groups need signals and escalation, workers need termination, and network clients need protocol-aware abort. Moving those mechanisms into `ToolRegistry` would couple the core registry to every implementation. +**Validate `AbortSignal` at runtime.** Rejected because this is a typed same-process seam, not a serialization boundary. Runtime checks would duplicate the static contract without making cooperative use enforceable. -**Trust each tool and around wrapper to preserve caller cancellation.** Rejected because the mutable signal slot and asynchronous pre/around waits form one shared scheduling boundary. Central capture and rechecks give every registered tool the same no-late-start and no-late-success rules without duplicating race handling. +**Add `supportsCancellation` metadata, callback-arity checks, or signal-use linting.** Rejected because none proves that asynchronous work observes or correctly forwards cancellation. Availability is a type contract; behavior remains a tool and capability responsibility. -**Forbid around wrappers from replacing `exec.signal`.** Rejected because deadlines and nested operational scopes need to derive a signal for one lexical dispatch. Re-fusing the caller immediately before the body preserves both composition and cancellation. +**Expose one mutable execution type to every stage.** Rejected because observers and tool implementations only borrow the signal. Stage-specific types make replacement possible only where the pipeline owns that operation. -**Skip every call whose signal is aborted at entry.** Rejected because direct callers may need the tool body to perform cleanup or translate cancellation into a capability-specific result. The registry distinguishes that explicit entry state from a live signal that aborts during scheduling, while the agent loop independently prevents new model-driven dispatch after turn cancellation. +**Forbid around wrappers from replacing the signal.** Rejected because deadlines and nested operational scopes need lexical derivation. Capturing and fusing the caller signal preserves composition without allowing detachment. + +**Race the tool promise against cancellation.** Rejected because it reports completion while side effects may remain live, violating the [quiescent-disposal rule](../../../defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it). ## Consequences -- Every registry invocation has one service-layer cancellation contract, including tools supplied by plugins or MCP bridges, but only cooperative implementations are guaranteed to stop promptly. -- Caller cancellation is monotonic across pre-policy, around-dispatch, and post-policy success: once a live caller signal aborts before final materialization, a body does not start late and a normal success does not become authoritative. -- Started work can delay cancellation indefinitely when an implementation ignores its signal. The registry deliberately exposes that defect as a non-quiescent call instead of hiding it behind an early result. -- Capability-specific failures and timeout ownership remain intact. Generic `ABORTED` replaces success, not a more informative error result. -- Around wrappers retain signal replacement as their composition mechanism, while the original caller signal remains non-detachable at dispatch. +- TypeScript rejects every `ToolExecutionInput` that omits `signal`, every tool or observer mutation of a readonly signal, and every around-dispatch attempt to remove the signal. +- Durable consumers can distinguish calls whose body may have produced side effects (`ABORTED`) from calls that never entered the body (`ABORTED_BEFORE_DISPATCH`). +- The change is intentionally breaking under the repository's pre-release stance; no compatibility overload or runtime fallback remains. +- Cooperative tools stop promptly and reach quiescence; an implementation that ignores its signal remains observable as a pending call. +- Downstream capability interfaces remain unchanged until the linked proposed RFC is accepted and implemented. diff --git a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md index b0e0d6107b..037c540e7c 100644 --- a/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md +++ b/docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.zh.md @@ -1,4 +1,4 @@ -# RFC: 注册表边界上的协作式工具取消 +# RFC：注册表边界上的协作式工具取消 Status: implemented @@ -6,60 +6,68 @@ Status: implemented ## 问题 -每个已注册工具都会收到可选的 `AbortSignal`，但仅提供信号不足以构成可靠的取消边界。取消可能发生在执行前策略或审批等待期间、环绕调度包装层委托前后的等待期间，或工具主体启动后。若各工具和包装层各自处理这些竞态，调用方取消后工具主体仍可能启动，延迟完成的成功结果也可能在取消后生效。 +每次类型化工具调用都需要一个由调用方持有的取消信号。可选的 `ToolExecutionInput.signal` 允许直接调用方不承担所有权，使每个工具主体中的 `exec.signal` 都成为可选值，也会诱使注册表提供无法表达真实调用方生命周期的后备信号。 -环绕调度插件还需要替换 `exec.signal`，以加入截止时间或其他运行时取消来源。若把这个可变槽位视为唯一的调用方信号，包装层就可能意外切断调用方的取消。禁止替换又会移除[工具调用超时策略](2026-07-07-tool-call-timeout-policy.md)所采用的词法作用域组合方式。 +流水线各阶段对可变性的需求也不同。工具实现、前置策略、后置策略和结果观察者只借用取消状态，而环绕调度包装层必须临时替换信号，以加入截止时间或其他词法取消作用域。单一的可变公开类型要么把修改权限授予过多阶段，要么阻止这种组合。 -通过工具 promise 与取消竞速来返回 `ABORTED` 也不安全。同进程 JavaScript 即使在竞速中落败、其 promise 被丢弃，仍会继续运行，因此子进程、网络活动、嵌套调度和延后产生的上下文都可能超过已报告结果的生命周期。注册表无法用通用方式强制终止这些工作，因为终止机制属于工作所属的能力，正如[超时与截止时间决策](2026-07-06-timeout-deadline-library.md)所规定。 +取消可能发生在策略之前、审批期间、环绕调度等待期间、工具主体启动之后，或后置策略等待期间。单一的 `ABORTED` 结果无法让持久化结果的使用方判断工具主体是否可能产生过副作用。让工具 promise 与取消竞速也不是安全的后备方案，因为注册表报告完成后，被丢弃的同进程工作仍会继续运行。 ## 决策 -`ToolRegistry` 为每次通过 `ctx.tools.execute()` 发起的调用提供协作式、保证完全停稳的取消边界。它独立于环绕调度对执行对象的修改来保留调用方取消，阻止工具主体在取消后才启动，等待所有已经启动的工具主体完成，并让最终结果物化前先发生的取消覆盖所有成功的流水线结果。 +`ToolExecutionInput.signal` 是必填且只读的 `AbortSignal`，因此 `ToolExecution.signal` 和 `ToolRunContext.signal` 也都是必填且只读。每个类型化调用方显式提供自己持有的信号；注册表不提供重载、默认控制器、永不中止哨兵或便捷执行路径。 -这项保证只覆盖控制平面，不等同于通用的强制终止。所有异步 `ToolDefinition.execute()` 都必须观察或转发 `exec.signal`，并且仅在自己负责的工作停止后完成。同进程代码若违反这项契约，注册表不保证其能在有界时间内完成。 +`ToolDefinition.execute(args, exec)` 保持现有签名。`defineTool()` 会把 `exec.signal` 上下文推断为必填的 `AbortSignal`，因此每个已注册的 TypeScript 工具都能在无需类型断言的情况下观察或转发取消。所有第一方直接调用方和 Code Mode 嵌套调度都会显式传入当前操作的信号。 -### 调用方取消不会在流水线中丢失 +注册表信任这份类型化同进程契约。它不在运行时校验 `AbortSignal`，也不为缺失或畸形信号添加敌意输入测试。校验仍位于解析器与配置、队列、模型与工具 JSON、持久化与文件、worker、进程和线协议边界；违反 TypeScript 接口的无类型 JavaScript 不享有兼容性契约。 -注册表在物化执行对象时捕获调用方信号，并记录该信号在进入时是否已经中止。这份状态存放在包装层可修改的 `ToolRunContext` 之外。 +### 可变性由流水线阶段决定 -对于进入时仍有效的信号，注册表会在 `tools/pre-execute`、审批以及工具主体启动前再次检查。若取消发生在这些等待期间，注册表会返回结构化 `ABORTED`，且不会启动工具主体。调度前一刻，注册表把原始调用方信号与包装层当前提供的 `exec.signal` 融合，因此无论包装层新增、替换还是移除公开槽位，都无法让运行中的工具主体脱离调用方取消。仅属于本次调度的监听器会在工具主体完成时移除。 +`ToolDispatchExecution` 与 `ToolExecution` 相同，唯一差异是其必填 `signal` 可修改。只有 `tools/execute` waterfall（瀑布式事件）接收这个类型。前置策略、后置策略、结果观察者、守卫和工具实现接收注册表私有可变运行对象的只读视图。 -环绕调度 waterfall（瀑布式事件）和结果后置策略完成后，注册表还会再次检查原始调用方信号。即使工具主体更早完成，包装层或后置策略监听器也不能在调用方取消后返回延迟成功结果。包装层或策略自身产生的失败仍按失败处理，因此 timeout-policy 包装层可以把自身先到达的截止时间归类为 `TOOL_TIMEOUT`，而不会被通用取消覆盖。 +环绕调度包装层可以在委托期间替换 `exec.signal`，但无法通过类型系统删除它或赋值为 `undefined`。注册表在可变对象之外捕获必填的调用方信号，在工具主体调用前把每次包装层替换与调用方信号融合，在完成后移除仅属于本次调度的监听器，并无条件恢复必填的上游信号。 -### 已启动的工作必须完全停稳 +### 取消代码记录是否发生过调度 -`ToolDefinition.execute()` 一旦启动，注册表就会等待它完成。工具主体启动后发生的取消会通过融合信号通知它，但注册表不会与其 promise 竞速，也不会丢弃该 promise。若工具主体在这次取消后仍以成功结果完成，注册表会用 `{ name: 'AbortError', code: 'ABORTED' }` 替换成功结果；工具自身的结构化失败仍是信息更具体的结果。通用取消替换成功结果时，会保留组合工具延后附加的上下文。 +`dsh-tools` 导出 `TOOL_ABORTED = 'ABORTED'` 和 `TOOL_ABORTED_BEFORE_DISPATCH = 'ABORTED_BEFORE_DISPATCH'`。注册表在调用 `ToolDefinition.execute()` 的前一刻记录工具主体已经开始。 -即使工具主体不协作，这项规则仍然适用：注册表调用会保持未完成，直到工具主体完成。这项代价是刻意保留的，因为提前返回会让调用看似已经结束，但其副作用仍在运行。进程、worker、网络和提供方实现各自提供终止机制，并使用信号使工作完全停稳；注册表只负责调度与结果完整性。 +`ABORTED_BEFORE_DISPATCH` 携带 `{ name: 'AbortError' }` 和模型可见文本 `Error: tool call aborted before dispatch`。凡取消阻止工具主体调用时都使用该结果，包括进入时已中止、前置策略或审批期间取消、包装层信号已中止、包装层在委托前返回的成功结果被调用方取消抢先，以及轮次取消后 agent loop 跳过的同批调用。 -在 `tools/post-execute` 之前产生的取消结果会继续经过该策略；若取消发生在异步后置监听器等待期间，注册表只替换其成功结果。冻结的 `tools/result` 通知是完成边界，agent loop（智能体循环）会记录最终的模型可见 `tool/result`，从而保持可重建性。 +`ABORTED` 携带模型可见文本 `Error: tool call aborted`，并且只在工具主体已经调用后使用，包括工具主体完成后环绕包装层或后置策略监听器等待期间发生的取消。拒绝、包装层失败、工具失败或后置策略失败比通用取消更具体。timeout-policy 自身拥有的超时仍为 `TOOL_TIMEOUT`，成功结果被取消替换前延后附加的上下文仍会保留。 -### 进入时已中止属于独立的直接调用契约 +### 进入时已中止会在物化后短路 -若信号在进入注册表时已经中止，工具主体仍会收到它。直接调用服务的代码可利用该状态执行能力特定的清理或错误转换，信息更具体的结果也会保持可见。agent loop 调度器不会在轮次信号已经中止时启动新的模型驱动工具主体，因此这项例外不会重新允许模型工具延迟调度。 +注册表先创建调用 token，并对参数进行无损快照和冻结。即使调用方信号已经中止，参数物化失败仍优先返回。物化成功后，进入时已中止的信号会跳过 `tools/pre-execute`、审批、`tools/execute`、`tools/post-execute` 和工具主体，然后发布且只发布一次冻结的权威 `tools/result`，其代码为 `ABORTED_BEFORE_DISPATCH`。 + +### 已启动工作仍必须完全停稳 + +工具主体一旦启动，注册表就会等待它完成。取消通过融合信号到达工具主体，但注册表不会与其 promise 竞速或丢弃该 promise。协作式实现会停止自身工作或继续转发取消，并在所持有的工作完全停稳后完成；不协作的同进程实现可能让注册表无限期保持等待。进程、worker、网络和提供方层仍负责各自的终止机制。 + +这项决策只要求工具调用接缝携带取消信号。让工具主体可达的异步能力也必须接收信号，属于另一项迁移，见提议中的[工具可达能力接缝中的必填取消](../../proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.md)。 ## 验证 -[`tools.spec.ts`](../../../../packages/core/tools/tests/tools.spec.ts) 固定了执行前策略、环绕调度和后置策略等待期间的取消行为，以及信号替换与移除、禁止延迟成功、上下文保留、已启动工具主体排空和进入前已中止的直接调用行为。[`tool-calls.spec.ts`](../../../../packages/core/agent-loop/tests/tool-calls.spec.ts) 与 [`contract-regressions.spec.ts`](../../../../packages/core/agent-loop/tests/contract-regressions.spec.ts) 固定了禁止延迟启动的规则，以及未调度同批调用在会话日志中仍具有配对结果。[`timeout-policy.spec.ts`](../../../../packages/timeout/timeout-policy/tests/timeout-policy.spec.ts) 固定了调用方先取消和超时归属方分类行为。 +[`execution-signal-types.spec.ts`](../../../../packages/core/tools/tests/execution-signal-types.spec.ts) 证明必填的精确信号类型、观察者与工具的只读视图、环绕调度可替换但不可删除的视图，以及 `defineTool()` 推断。[`tools.spec.ts`](../../../../packages/core/tools/tests/tools.spec.ts) 覆盖进入时已中止的物化与阶段跳过、策略和包装层竞态、工具主体调用分类、调用方信号融合、错误优先级、上下文保留和完全停稳。[`tool-calls.spec.ts`](../../../../packages/core/agent-loop/tests/tool-calls.spec.ts) 与 [`contract-regressions.spec.ts`](../../../../packages/core/agent-loop/tests/contract-regressions.spec.ts) 覆盖未调度同批调用的持久化配对结果。[`code-mode.spec.ts`](../../../../packages/core/tools/tests/code-mode.spec.ts) 和第一方集成测试覆盖显式转发，[`timeout-policy.spec.ts`](../../../../packages/timeout/timeout-policy/tests/timeout-policy.spec.ts) 保持超时归属。 -任何注册表测试都无法证明任意第三方同进程代码会在有界时间内停止。各能力的测试仍需证明其子进程、worker、套接字或提供方取消能够使工作完全停稳。 +任何注册表测试都无法证明任意第三方同进程代码会观察信号或在有界时间内停止。各能力的测试仍需在拥有相应副作用的边界证明取消与完全停稳。 ## 考虑过的替代方案 -**让工具 promise 与取消竞速。** 不予采纳，因为这种方式会在落败的 promise 及其副作用仍在运行时报告完成。这违反了[资源释放必须完全停稳的规则](../../../defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it)，并可能让会话记录 `ABORTED` 后仍有工作修改状态。 +**保留可选信号并生成后备值。** 不予采纳，因为注册表持有的后备信号不代表任何调用方生命周期，也会保留类型系统本应阻止的缺失情况。 -**由注册表强制终止每个工具。** 不予采纳，因为同进程 JavaScript 没有安全、通用的抢占机制，而各能力的实际终止方式不同：进程组需要信号和升级处理，worker 需要终止，网络客户端则需要按协议中止。把这些机制移入 `ToolRegistry` 会让核心注册表耦合到每种实现。 +**在运行时校验 `AbortSignal`。** 不予采纳，因为这是类型化同进程接缝，不是序列化边界。运行时检查只会重复静态契约，仍无法强制实现协作式使用信号。 -**相信各工具和环绕包装层自行保留调用方取消。** 不予采纳，因为可变信号槽位与异步执行前、环绕调度等待共同构成一处共享调度边界。集中捕获并重复检查可以让所有已注册工具遵守相同的禁止延迟启动和禁止延迟成功规则，无需重复实现竞态处理。 +**添加 `supportsCancellation` 元数据、回调参数数量检查或信号使用 lint。** 不予采纳，因为这些方法都无法证明异步工作会观察或正确转发取消。信号可用性属于类型契约；具体行为仍由工具和能力负责。 -**禁止环绕包装层替换 `exec.signal`。** 不予采纳，因为截止时间和嵌套运行时作用域需要为一次词法调度派生信号。在工具主体启动前重新融合调用方信号，可以同时保留组合能力与取消语义。 +**向所有阶段公开同一个可变执行类型。** 不予采纳，因为观察者和工具实现只需要借用信号。按阶段划分类型可以把替换权限限制在流水线拥有该操作的位置。 -**跳过进入时信号已经中止的所有调用。** 不予采纳，因为直接调用方可能需要工具主体执行清理，或把取消转换为能力特定的结果。注册表会区分这种显式进入状态与调度期间由有效变为中止的信号，而 agent loop 会独立阻止轮次取消后产生新的模型驱动调度。 +**禁止环绕包装层替换信号。** 不予采纳，因为截止时间和嵌套运行时作用域需要词法派生信号。捕获并融合调用方信号既保留组合能力，也不允许切断调用方取消。 + +**让工具 promise 与取消竞速。** 不予采纳，因为这种方式会在副作用仍可能存活时报告完成，违反[资源释放必须完全停稳的规则](../../../defensive-patterns.md#dispose-must-reach-quiescence-not-just-request-it)。 ## 后果 -- 每次注册表调用都遵循同一份服务层取消契约，包括插件或 MCP 桥接提供的工具；但只有协作式实现才能保证及时停止。 -- 调用方取消在执行前策略、环绕调度和后置策略的成功路径上保持单调：只要进入时有效的调用方信号在最终结果物化前发生中止，工具主体就不会延迟启动，普通成功也不会成为权威结果。 -- 若实现忽略信号，已启动的工作可以无限期推迟取消。注册表会刻意把这一缺陷暴露为无法完全停稳的调用，而不是用提前返回的结果掩盖它。 -- 能力特定失败与超时归属保持不变。通用 `ABORTED` 只替换成功结果，不替换信息更具体的错误结果。 -- 环绕包装层继续通过替换信号来完成组合，而原始调用方信号在调度时无法被切断。 +- TypeScript 会拒绝所有缺少 `signal` 的 `ToolExecutionInput`、工具或观察者对只读信号的修改，以及环绕调度删除信号的尝试。 +- 持久化结果的使用方可以区分工具主体可能产生过副作用的调用（`ABORTED`）和从未进入工具主体的调用（`ABORTED_BEFORE_DISPATCH`）。 +- 根据仓库的预发布原则，这项变更刻意保持破坏性；不保留兼容重载或运行时后备行为。 +- 协作式工具会及时停止并完全停稳；忽略信号的实现会表现为仍在等待的调用。 +- 下游能力接口保持不变，直到关联的提议 RFC 被接受并实现。 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 1356afa06b..3c367bdd4a 100644 --- a/docs/rfc/implemented/feature/2026-06-30-interception-seams.md +++ b/docs/rfc/implemented/feature/2026-06-30-interception-seams.md @@ -24,7 +24,7 @@ Every call follows `tools/pre-execute` → guards → `tools/execute` → dispat - **`tools/pre-execute`** is the extensible waterfall gate. Its `PreToolDecision` allows, denies, or asks. Deny skips `tools/execute` and core dispatch. Ask resolves through the optional approval seam: only `allowed-once` continues through guards and dispatch; rejection, cancellation, an unavailable channel, a missing approval service, or an agent-less call becomes a normalized denial. Every outcome still reaches post-policy and final observers. - **`ctx.tools.guard()`** installs synchronous scope-aware policy after the whole pre-execute waterfall. A guard may deny or abstain, never force-allow, so listener ordering cannot resurrect an operation that a final invariant forbids. -- **`tools/execute`** is the around-dispatch waterfall for timeout, retry, and metrics plugins. A wrapper delegates to core dispatch with `next()`, may add, replace, or remove only `exec.signal` before doing so, and receives the already-normalized result of a thrown or unknown tool; returning its own valid result short-circuits dispatch. +- **`tools/execute`** is the around-dispatch waterfall for timeout, retry, and metrics plugins. A wrapper delegates to core dispatch with `next()`, may replace and restore the required `exec.signal` before doing so but cannot remove it, and receives the already-normalized result of a thrown or unknown tool; returning its own valid result short-circuits dispatch. - **`tools/post-execute`** is the inspect/transform waterfall. Its `PostToolDecision` accepts, blocks with feedback, optionally replaces content, or attaches `additionalContexts`. The returned decision is the supported transform channel; after the waterfall, the registry materializes the complete outcome once before final observation. - **`tools/result`** is the synchronous contained notification after every transform, lossless-JSON materialization, and the outer error boundary. It receives the same frozen execution identity and an immutable snapshot of the authoritative result; observer failures are contained per listener and cannot change or reject `ToolRegistry.execute()`'s returned outcome. diff --git a/examples/acp-agent/tests/snapshots/cancel-tool-calls/session.jsonl b/examples/acp-agent/tests/snapshots/cancel-tool-calls/session.jsonl index e6d18515a6..c852cfd822 100644 --- a/examples/acp-agent/tests/snapshots/cancel-tool-calls/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cancel-tool-calls/session.jsonl @@ -15,6 +15,6 @@ {"type":"tool/call","seq":13,"time":1784437195078,"data":{"turn":1,"step":1,"callId":"call_wait","name":"bash","arguments":"{\"command\":\"node -e \\\"setInterval(() => {}, 1000)\\\"\",\"description\":\"Wait until cancellation\"}"}} {"type":"tool/result","seq":14,"time":1784437195089,"data":{"turn":1,"step":1,"callId":"call_wait","content":[{"type":"text","text":"Error: command aborted"}],"isError":true},"sourceEventSeqs":[13],"surfaceOp":"append"} {"type":"tool/call","seq":15,"time":1784437195089,"data":{"turn":1,"step":1,"callId":"call_skipped","name":"bash","arguments":"{\"command\":\"printf skipped > skipped.txt\",\"description\":\"Write skipped marker\"}"}} -{"type":"tool/result","seq":16,"time":1784437195089,"data":{"turn":1,"step":1,"callId":"call_skipped","content":[{"type":"text","text":"Error: tool call skipped because the step was aborted before execution"}],"isError":true,"error":{"name":"AbortError","code":"ABORTED"}},"sourceEventSeqs":[15],"surfaceOp":"append"} +{"type":"tool/result","seq":16,"time":1784437195089,"data":{"turn":1,"step":1,"callId":"call_skipped","content":[{"type":"text","text":"Error: tool call aborted before dispatch"}],"isError":true,"error":{"name":"AbortError","code":"ABORTED_BEFORE_DISPATCH"}},"sourceEventSeqs":[15],"surfaceOp":"append"} {"type":"step/end","seq":17,"time":1784437195090,"data":{"turn":1,"step":1}} {"type":"turn/end","seq":18,"time":1784437195090,"data":{"turn":1,"reason":{"kind":"aborted","reason":"session/cancel"}}} diff --git a/examples/acp-agent/tests/snapshots/cancel-tool-calls/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/cancel-tool-calls/stdout.expected.jsonl index 11178b9bc7..6061a188bf 100644 --- a/examples/acp-agent/tests/snapshots/cancel-tool-calls/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/cancel-tool-calls/stdout.expected.jsonl @@ -4,4 +4,4 @@ {"jsonrpc":"2.0","id":3,"result":{"stopReason":"cancelled"}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_wait","status":"failed","content":[{"type":"content","content":{"type":"text","text":"```console\nError: command aborted\n```"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_skipped","title":"printf skipped > skipped.txt","kind":"execute","status":"in_progress","rawInput":"printf skipped > skipped.txt","content":[{"type":"content","content":{"type":"text","text":"Write skipped marker"}}]}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skipped","status":"failed","content":[{"type":"content","content":{"type":"text","text":"```console\nError: tool call skipped because the step was aborted before execution\n```"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_skipped","status":"failed","content":[{"type":"content","content":{"type":"text","text":"```console\nError: tool call aborted before dispatch\n```"}}]}}} diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl index a78b199efa..5769fa668d 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl @@ -10,7 +10,7 @@ {"type":"assistant/chunk","seq":8,"time":1783951000009,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} {"type":"assistant/message","seq":9,"time":1784449176722,"data":{"turn":1,"step":1,"content":[{"type":"tool-call","id":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[4,5,6,7,8],"surfaceOp":"append"} {"type":"tool/call","seq":10,"time":1784449176722,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}} -{"type":"tool/result","seq":11,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body or replaces a successful pipeline outcome with\n * `ABORTED`; already-started work is still drained and may retain a\n * tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[10],"surfaceOp":"append"} +{"type":"tool/result","seq":11,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body with `ABORTED_BEFORE_DISPATCH` or replaces a\n * successful started outcome with `ABORTED`; already-started work is still\n * drained and may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n readonly signal: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[10],"surfaceOp":"append"} {"type":"step/end","seq":12,"time":1784449176732,"data":{"turn":1,"step":1}} {"type":"step/start","seq":13,"time":1784449176733,"data":{"turn":1,"step":2}} {"type":"assistant/chunk","seq":14,"time":1783951000015,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl index 6b20ab4033..090f9c1e58 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl @@ -1,7 +1,7 @@ {"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":"model","name":"Model","description":"Sets this session's provider and model.","category":"model","type":"select","currentValue":"[\"deepseek\",\"deepseek-v4-flash\"]","options":[{"value":"[\"deepseek\",\"deepseek-v4-flash\"]","name":"deepseek-v4-flash"},{"value":"[\"deepseek\",\"deepseek-v4-pro\"]","name":"deepseek-v4-pro"}]},{"id":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted temporary directories; wider retries require approval."},{"value":"danger-full-access","name":"danger-full-access","description":"Full file access without approval prompts."}]}]}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-api","title":"Inspect cordis runtime: api: tools","kind":"read","status":"in_progress"}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-api","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body or replaces a successful pipeline outcome with\n * `ABORTED`; already-started work is still drained and may retain a\n * tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-api","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body with `ABORTED_BEFORE_DISPATCH` or replaces a\n * successful started outcome with `ABORTED`; already-started work is still\n * drained and may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export type ContextEnvelope = 'context' | 'raw';\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n envelope?: ContextEnvelope;\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n readonly signal: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-event","title":"Inspect cordis runtime: events: tools/pre-execute","kind":"read","status":"in_progress"}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-event","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial. Async gates must observe\n * `exec.signal`; the registry rechecks cancellation after they settle but\n * never abandons their promise.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"CORDIS_INSPECT_JSDOC_OK"}}}} diff --git a/examples/cordis-agent/tests/cordis-tools.e2e.ts b/examples/cordis-agent/tests/cordis-tools.e2e.ts index f12f85b6ca..ae3651fdaf 100644 --- a/examples/cordis-agent/tests/cordis-tools.e2e.ts +++ b/examples/cordis-agent/tests/cordis-tools.e2e.ts @@ -4,6 +4,8 @@ import { CallId } from '@deepseek-ai/dsh-llm' import { cordisHarness, waitForIdle } from './harness.ts' import { SessionId } from '@deepseek-ai/dsh-session' +const testToolSignal = new AbortController().signal + /** * With-key smoke for the self-referential cordis tools: a REAL model drives * cordis_mount/cordis_unmount against the live context the test observes. @@ -51,6 +53,7 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('cordis tools: a real model modif // the mounted listener through the tagged sandbox console. expect(taggedCalls(log).length).toBeGreaterThan(0) const mid = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('verify-mounted'), name: 'cordis_inspect', arguments: { what: 'dynamic' }, }) expect(resultText(mid)).toContain('dyn-') @@ -59,6 +62,7 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('cordis tools: a real model modif await waitForIdle(ctx, agent) const after = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('verify-unmounted'), name: 'cordis_inspect', arguments: { what: 'dynamic' }, }) expect(resultText(after)).toContain('(no dynamic plugins mounted)') @@ -148,6 +152,7 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('cordis tools: a real model modif expect(ctx.get('shouter')).toBeUndefined() expect(ctx.tools.get('shout_text')).toBeUndefined() const after = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('verify-parked'), name: 'cordis_inspect', arguments: { what: 'dynamic' }, }) expect(resultText(after)).toContain('waiting for: shouter') diff --git a/packages/AGENTS.md b/packages/AGENTS.md index c41c25b7a5..a9456d6755 100644 --- a/packages/AGENTS.md +++ b/packages/AGENTS.md @@ -5,7 +5,6 @@ These package-specific rules supplement the repo-wide [conventions](../AGENTS.md - **Plugin export shape:** service packages default-export their service class; function plugins named-export `name` / `inject` / `Config` / `apply` and have no default export. Mixing the forms makes the Loader discard the function plugin's namespace ([postmortem](../docs/postmortem/0001-acp-default-export-drops-inject.md)). - **Optional services use `ctx.get(name)`.** Reserve `ctx.` for declared injections; the property proxy is topology-sensitive, while strict `ctx.get` reads the global service store ([postmortem](../docs/postmortem/0001-acp-default-export-drops-inject.md)). - **Product-visible plugins require a non-unit REAL-composition test.** Hand-built `ctx.plugin(...)` suites are insufficient. Boot test-only `cordis.yml` through the Loader and app/process; mock only external/nondeterministic boundaries and assert model-visible, durable, or user-visible output. Keep opt-ins out of shipped defaults. [Policy](../docs/testing.md). -- **Typed same-process service and plugin calls are contracts, not serialization boundaries.** Prefer readonly borrowed values; materialize or defensively validate only at parser/config, queued, model/tool JSON, durable/file, worker, process, or wire boundaries. - **Initiator-owned private chains derive, then capture.** Under `ctx.agents.withInitiator()`, recover the Agent at each orchestration entry, derive `agent.session`, and let operation-local helpers close over it. Keep `Agent` and `Session` explicit at lifecycle, session-log, service, authority, worker/process, persistence, and wire interfaces; do not widen a leaf helper from `Session` to `Context` merely to hide a parameter ([rationale](../docs/rfc/implemented/architecture/2026-07-15-agent-initiator-scope.md)). - **Represent one asynchronous operation with one lifecycle controller or transaction.** Separate readiness, cancellation, disposal, reservation, or sentinel state requires an independent owner or settlement boundary; otherwise fold it while preserving rollback, callback containment, and quiescence. - **Shape capability interfaces around all current consumers.** Keep tool-schema, Loader, UI, transport, and backend-specific behavior in the consumer or adapter; do not let one consumer dictate the interface ([capability-seam rationale](../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)). diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index cad92c9276..1bb3bdb14b 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -366,7 +366,7 @@ export function apply(ctx: Context, config: Config = {}): void { toolName: 'bash', callId: exec.callId, reason: `escalate sandbox to ${mode}: ${justification}`, - ...exec.signal ? { signal: exec.signal } : {}, + signal: exec.signal, }) switch (outcome) { case 'allowed-once': return mode as SandboxMode @@ -437,8 +437,6 @@ export function apply(ctx: Context, config: Config = {}): void { if (tasks === undefined) { throw new Error('background tasks unavailable: load @deepseek-ai/dsh-tasks and @deepseek-ai/dsh-tool-tasks') } - // Reject pre-start cancellation; returned tasks use their own lifecycle. - if (exec.signal?.aborted) throw new Error('command aborted') // Task preflight finishes before the starter can spawn a process. const id = tasks.start({ kind: 'bash', @@ -457,7 +455,7 @@ export function apply(ctx: Context, config: Config = {}): void { } const result = await ctx.bash.run(ctx.bash.resolve({ ...request, - ...exec.signal ? { signal: exec.signal } : {}, + signal: exec.signal, })) if (result.aborted) throw new Error('command aborted') return [{ type: 'text', text: renderResult(result, escalationModes) }] diff --git a/packages/bash/tool-bash/tests/bash-env.spec.ts b/packages/bash/tool-bash/tests/bash-env.spec.ts index 03d29b572b..d988075c5b 100644 --- a/packages/bash/tool-bash/tests/bash-env.spec.ts +++ b/packages/bash/tool-bash/tests/bash-env.spec.ts @@ -7,10 +7,13 @@ import type { Agent } from '@deepseek-ai/dsh-agent' import type { ToolExecution } from '@deepseek-ai/dsh-tools' import { BashEnvRegistry } from '@deepseek-ai/dsh-tool-bash' +const testToolSignal = new AbortController().signal + afterEach(() => vi.unstubAllEnvs()) function execution(sessionId?: string): ToolExecution { return { + signal: testToolSignal, token: Symbol('bash-env-test') as ToolExecution['token'], callId: CallId('bash-env-call'), name: 'bash', diff --git a/packages/bash/tool-bash/tests/tools.spec.ts b/packages/bash/tool-bash/tests/tools.spec.ts index af0cdcaa1c..74b4bce60d 100644 --- a/packages/bash/tool-bash/tests/tools.spec.ts +++ b/packages/bash/tool-bash/tests/tools.spec.ts @@ -7,7 +7,7 @@ import { CallId } from '@deepseek-ai/dsh-llm' import { BashExecutor } from '@deepseek-ai/dsh-bash' import type { BashExecRequest, BashExecSpec, BashProcess, BashProcessRead, BashRunResult } from '@deepseek-ai/dsh-bash' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry from '@deepseek-ai/dsh-tools' +import ToolRegistry, { TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import AgentRegistry from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' @@ -21,6 +21,8 @@ import * as ToolBash from '@deepseek-ai/dsh-tool-bash' import { processOutcome } from '../src/background.ts' import { renderProcessRead, renderResult } from '../src/render.ts' +const testToolSignal = new AbortController().signal + const spillDir = mkdtempSync(join(tmpdir(), 'dsh-tool-bash-spec-')) /** Foreground-only harness: no task runtime (backgrounding fails loud here). */ @@ -67,7 +69,7 @@ function registerFakeAgent(ctx: Context, sessionId: string, inject: (...args: un } let callCounter = 0 function call(ctx: Context, name: string, args: unknown, agent?: Agent) { - return ctx.tools.execute({ callId: CallId(`call-${++callCounter}`), name, arguments: args, ...agent ? { agent } : {} }) + return ctx.tools.execute({ signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name, arguments: args, ...agent ? { agent } : {} }) } function text(result: { content: { type: string; text?: string }[] }): string { @@ -451,7 +453,7 @@ describe('background execution through the task runtime', () => { expect(text(result)).toContain('background tasks unavailable: load @deepseek-ai/dsh-tasks and @deepseek-ai/dsh-tool-tasks') }) - it('a pre-aborted call refuses to start: isError, no process spawned', async () => { + it('a pre-aborted call is skipped before the process starts', async () => { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) @@ -470,7 +472,8 @@ describe('background execution through the task runtime', () => { signal: controller.signal, }) expect(result.isError).toBe(true) - expect(text(result)).toContain('command aborted') + expect(result.error).toEqual({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) + expect(text(result)).toBe('Error: tool call aborted before dispatch') expect((ctx.bash as CountingStartExecutor).starts).toBe(0) }) @@ -730,7 +733,7 @@ describe('session-cwd routing (per-session workdir)', () => { it('falls back to the executor default when the agent has no session cwd', async () => { const ctx = await setup() // No exec.agent at all → executor uses its config/process.cwd() default. - const result = await ctx.tools.execute({ callId: CallId('cwd-noagent'), name: 'bash', arguments: { command: 'pwd', description: 'pwd' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('cwd-noagent'), name: 'bash', arguments: { command: 'pwd', description: 'pwd' } }) expect(result.isError).toBe(false) expect(text(result).trim().length).toBeGreaterThan(0) }) @@ -1012,6 +1015,7 @@ describe('the model-facing bash tool builds its request from named args only (no const path = ctx.sessionPersistence.locate(agent.session.header)?.path await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('session-env-fg'), name: 'bash', arguments: { command: 'true', description: 'run command' }, @@ -1032,6 +1036,7 @@ describe('the model-facing bash tool builds its request from named args only (no const path = ctx.sessionPersistence.locate(agent.session.header)?.path await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('session-env-bg'), name: 'bash', arguments: { @@ -1058,6 +1063,7 @@ describe('the model-facing bash tool builds its request from named args only (no const ambient = process.env.DSH_SESSION_ID await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('session-env-id-only'), name: 'bash', arguments: { command: 'true', description: 'run command' }, @@ -1079,6 +1085,7 @@ describe('the model-facing bash tool builds its request from named args only (no for (const [callId, agent] of [['parent', parent], ['child', child]] as const) { await ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`session-env-${callId}`), name: 'bash', arguments: { command: 'true', description: 'run command' }, @@ -1109,6 +1116,7 @@ describe('the model-facing bash tool builds its request from named args only (no // This preserves the request shape; it is not a security boundary because shell syntax can // already set environment variables or feed stdin. await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('no-forward-1'), name: 'bash', arguments: { @@ -1130,6 +1138,7 @@ describe('the model-facing bash tool builds its request from named args only (no it('a background bash call likewise carries no trusted-only fields', async () => { const { ctx, bash } = await setupRecording() const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('no-forward-2'), name: 'bash', arguments: { diff --git a/packages/context/workspace-context/src/state.ts b/packages/context/workspace-context/src/state.ts index 4e8ee7de56..b86daeafcf 100644 --- a/packages/context/workspace-context/src/state.ts +++ b/packages/context/workspace-context/src/state.ts @@ -501,7 +501,7 @@ export async function dynamicInstructionContext( { touchedPath, includeBaselineScopes: baselineInstructionStates.has(agent.session), - ...exec.signal === undefined ? {} : { signal: exec.signal }, + signal: exec.signal, }, ) } diff --git a/packages/context/workspace-context/tests/workspace-context.spec.ts b/packages/context/workspace-context/tests/workspace-context.spec.ts index 2ff2067cf5..d0f6f108df 100644 --- a/packages/context/workspace-context/tests/workspace-context.spec.ts +++ b/packages/context/workspace-context/tests/workspace-context.spec.ts @@ -40,6 +40,8 @@ import { } from '../src/state.ts' import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +const testToolSignal = new AbortController().signal + async function tempRepo(): Promise { return mkdtemp(join(tmpdir(), 'dsh-workspace-context-')) } @@ -797,6 +799,7 @@ describe('workspace context request injection', () => { await ctx.plugin(workspaceContext, { maxBytes: 65536 }) const decision = await ctx.waterfall('tools/post-execute', stubToolExecution({ + signal: testToolSignal, callId: CallId('no-fs-post-execute'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, @@ -832,6 +835,7 @@ describe('workspace context request injection', () => { const agent = stubAgent(root) const exec = stubToolExecution({ + signal: testToolSignal, callId: CallId('read-blocked-post-execute'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, @@ -977,6 +981,7 @@ describe('workspace context request injection', () => { await composeBaselinePrefix(ctx, agent) await write(join(root, 'AGENTS.md'), 'new root rule with more detail') const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-baseline-change'), name: 'read', arguments: { file_path: 'file.txt' }, agent, }) @@ -1005,6 +1010,7 @@ describe('workspace context request injection', () => { await composeBaselinePrefix(ctx, agent) await rm(join(root, 'AGENTS.md')) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-baseline-remove'), name: 'read', arguments: { file_path: 'file.txt' }, agent, }) @@ -1030,6 +1036,7 @@ describe('workspace context request injection', () => { await composeBaselinePrefix(ctx, agent) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-with-shared-global-root'), name: 'read', arguments: { file_path: 'file.txt' }, agent, }) @@ -1108,6 +1115,25 @@ describe('workspace context request injection', () => { } }) + it('keeps the direct provider API usable without an operation signal', async () => { + const root = '/virtual/no-signal-repo' + const home = '/virtual/no-signal-home' + const ctx = new Context() + try { + await ctx.plugin(RecordingFileSystem) + const fs = ctx.fs as RecordingFileSystem + fs.entries.set(join(root, '.git'), { type: 'directory' }) + fs.entries.set(join(root, 'AGENTS.md'), { type: 'file', content: 'optional capability signal' }) + + const rendered = await loadBaselineInstructions({ cwd: root, dshHome: home, maxBytes: 65536 }, fs) + + expect(rendered?.text).toContain('optional capability signal') + expect(fs.signals).toEqual([]) + } finally { + await ctx.fiber.dispose() + } + }) + it('rejects a provider-sized instruction file before reading content', async () => { const root = join(await tempRepo(), 'virtual-repo') const home = join(await tempRepo(), 'virtual-home') @@ -1687,6 +1713,7 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-nested'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -1747,6 +1774,7 @@ describe('dynamic nested workspace context injection', () => { }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-configured-nested-candidate'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -1775,12 +1803,14 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-nested-1'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, agent, }) const second = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-nested-2'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -1813,10 +1843,12 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-version-fast-path'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, first) const second = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-with-version-fast-path'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) @@ -1848,14 +1880,17 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-same-digest-version-change'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, first) fs.entries.set(instructionPath, { type: 'file', content: 'same package rule', version: FsVersion('revision-2') }) const afterVersionChange = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-same-digest-version-change'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) const afterRefresh = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-version-cache-refresh'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) @@ -1886,9 +1921,11 @@ describe('dynamic nested workspace context injection', () => { await ctx.plugin(workspaceContext, { dshHome: home, maxBytes: 65536 }) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-from-first-session'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent: stubAgent(root), }) const second = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-from-second-session'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent: stubAgent(root), }) @@ -1914,11 +1951,13 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-change'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, first) await write(join(root, 'pkg/AGENTS.md'), 'new package rule with more detail') const changed = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-change'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) @@ -1954,15 +1993,18 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-fallback'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, first) await rm(join(root, 'pkg/AGENTS.md')) const changed = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-fallback'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, changed) const unchanged = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-logged-fallback'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) @@ -1993,11 +2035,13 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-remove'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, first) await rm(join(root, 'pkg/AGENTS.md')) const removed = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-remove'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) @@ -2031,17 +2075,20 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-tombstone'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, first) await rm(join(root, 'pkg/AGENTS.md')) const removed = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-to-create-tombstone'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, removed) await write(join(root, 'pkg/AGENTS.md'), 'restored package rule') const restored = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-tombstone'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) @@ -2073,11 +2120,13 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-provider-failure'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) appendAdditionalContexts(agent, first) fs.throwOnStat.add(join(root, 'pkg/AGENTS.md')) const duringFailure = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-during-provider-failure'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }) @@ -2101,6 +2150,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 }) const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-resume'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2113,6 +2163,7 @@ describe('dynamic nested workspace context injection', () => { } const afterResume = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-resume'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2138,6 +2189,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 }) const original = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-offline-change'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent: original, }) appendAdditionalContexts(original, first) @@ -2168,6 +2220,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 }) const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-before-compact'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2175,6 +2228,7 @@ describe('dynamic nested workspace context injection', () => { }) const contextSeq = appendAdditionalContexts(agent, first)! const visibleBeforeCompact = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-while-visible'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2190,6 +2244,7 @@ describe('dynamic nested workspace context injection', () => { }) const afterCompact = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-compact'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2219,6 +2274,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 }) const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-package'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, @@ -2227,6 +2283,7 @@ describe('dynamic nested workspace context injection', () => { appendAdditionalContexts(agent, first) const second = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-subtree'), name: 'read', arguments: { file_path: 'pkg/sub/file.txt' }, @@ -2254,6 +2311,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 700 }) const agent = stubAgent(root) const first = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-subtree-omitting-parent'), name: 'read', arguments: { file_path: 'pkg/sub/file.txt' }, @@ -2262,6 +2320,7 @@ describe('dynamic nested workspace context injection', () => { appendAdditionalContexts(agent, first) const second = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-parent-after-omit'), name: 'read', arguments: { file_path: 'pkg/other.txt' }, @@ -2323,6 +2382,7 @@ describe('dynamic nested workspace context injection', () => { }, { surfaceOp: 'append' }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-spoofed-state'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2349,12 +2409,14 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const rootResult = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-root-file'), name: 'read', arguments: { file_path: 'root.txt' }, agent, }) const absoluteResult = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-absolute-nested-file'), name: 'read', arguments: { file_path: join(root, 'pkg/deep/file.txt') }, @@ -2388,11 +2450,13 @@ describe('dynamic nested workspace context injection', () => { } const failedStat = await ctx.waterfall('tools/post-execute', stubToolExecution({ + signal: testToolSignal, callId: CallId('provider-stat-failure'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }), result, async () => ({ kind: 'accept' as const })) fs.throwOnStat.clear() fs.entries.set(join(root, 'pkg/AGENTS.md'), { type: 'directory' }) const mismatchedStat = await ctx.waterfall('tools/post-execute', stubToolExecution({ + signal: testToolSignal, callId: CallId('provider-stat-mismatch'), name: 'read', arguments: { file_path: 'pkg/file.txt' }, agent, }), result, async () => ({ kind: 'accept' as const })) @@ -2418,6 +2482,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-with-unreadable-nested-instruction'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2452,6 +2517,7 @@ describe('dynamic nested workspace context injection', () => { })) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-with-downstream'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2496,6 +2562,7 @@ describe('dynamic nested workspace context injection', () => { })) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-blocked-downstream'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2536,6 +2603,7 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const blocked = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('outer-block-first'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2543,6 +2611,7 @@ describe('dynamic nested workspace context injection', () => { }) shouldBlock = false const accepted = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('outer-block-retry'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2583,7 +2652,7 @@ describe('dynamic nested workspace context injection', () => { arguments: { file_path: 'pkg/deep/file.txt' }, ...exec.agent === undefined ? {} : { agent: exec.agent }, parent: exec.token, - ...exec.signal === undefined ? {} : { signal: exec.signal }, + signal: exec.signal, }) for (const context of nested.additionalContexts ?? []) exec.deferContext(context) return nested.content @@ -2600,10 +2669,12 @@ describe('dynamic nested workspace context injection', () => { const agent = stubAgent(root) const blocked = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('composite-first'), name: 'composite-read', arguments: {}, agent, }) shouldBlock = false const accepted = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('composite-retry'), name: 'composite-read', arguments: {}, agent, }) @@ -2627,19 +2698,23 @@ describe('dynamic nested workspace context injection', () => { const plainResult = { callId: CallId('plain'), content: [], isError: false } ctx.emit('tools/result', stubToolExecution({ + signal: testToolSignal, callId: CallId('agentless-child'), name: 'read', arguments: {}, parent, }), plainResult) ctx.emit('tools/result', stubToolExecution({ + signal: testToolSignal, callId: CallId('contextless-child'), name: 'read', arguments: {}, agent, parent, }), { ...plainResult, additionalContexts: [{ content: [], source: { kind: 'plugin', plugin: 'workspace-context' } }] }) ctx.emit('tools/result', stubToolExecution({ + signal: testToolSignal, callId: CallId('first-child'), name: 'read', arguments: {}, agent, parent, }), { ...plainResult, additionalContexts: [workspaceChangeContext('first', 'one')] }) ctx.emit('tools/result', stubToolExecution({ + signal: testToolSignal, callId: CallId('second-child'), name: 'read', arguments: {}, agent, parent, }), { ...plainResult, additionalContexts: [workspaceChangeContext('second', 'two')] }) ctx.emit('tools/result', { - ...stubToolExecution({ callId: CallId('agentless-parent'), name: 'composite', arguments: {} }), + ...stubToolExecution({ signal: testToolSignal, callId: CallId('agentless-parent'), name: 'composite', arguments: {} }), token: parent, }, plainResult) @@ -2675,6 +2750,7 @@ describe('dynamic nested workspace context injection', () => { for (const item of cases) { const decision = await ctx.waterfall('tools/post-execute', stubToolExecution({ + signal: testToolSignal, callId: CallId(`manual-${item.name}-${cases.indexOf(item)}`), name: item.name, arguments: item.arguments, @@ -2699,6 +2775,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 0 }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-with-disabled-budget'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, @@ -2723,6 +2800,7 @@ describe('dynamic nested workspace context injection', () => { await mountFileToolsAndWorkspaceContext(ctx, { dshHome: home, maxBytes: 65536 }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-missing'), name: 'read', arguments: { file_path: 'pkg/missing.txt' }, @@ -2749,6 +2827,7 @@ describe('dynamic nested workspace context injection', () => { await fiber.dispose() const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('read-after-dispose'), name: 'read', arguments: { file_path: 'pkg/deep/file.txt' }, diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index e949910295..d24ceb8804 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -552,7 +552,7 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ }, { signature: 'async execute(exec: ToolExecutionInput): Promise', - jsDoc: '/**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body or replaces a successful pipeline outcome with\n * `ABORTED`; already-started work is still drained and may retain a\n * tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */', + jsDoc: '/**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive. Cancellation\n * arriving after entry and before final result materialization skips a\n * not-yet-started body with `ABORTED_BEFORE_DISPATCH` or replaces a\n * successful started outcome with `ABORTED`; already-started work is still\n * drained and may retain a tool-owned structured error.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */', }, ], }, @@ -833,7 +833,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ { name: 'tools/execute', mode: 'waterfall', - signature: '\'tools/execute\'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise', + signature: '\'tools/execute\'(this: Scoped, exec: ToolDispatchExecution, next: () => Promise): Promise', jsDoc: '/**\n * Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns\n * a normalized result; wrappers may change only `exec.signal`, while call\n * identity remains immutable. The registry re-fuses the original caller\n * signal before the body, so replacement cannot detach caller cancellation;\n * wrappers must still restore their signal and reach quiescence.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal).\n * @mode waterfall\n */', summary: 'Around-dispatch waterfall for timeout, retry, or metrics.', }, @@ -841,7 +841,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ name: 'tools/post-execute', mode: 'waterfall', signature: '\'tools/post-execute\'(this: Scoped, exec: ToolExecution, result: Readonly, next: () => Promise): Promise', - jsDoc: '/**\n * Accept, replace, enrich, or block a normalized dispatch result. `next()`\n * accepts it unchanged; thrown tools still reach this seam as errors. Async\n * listeners must observe `exec.signal`; after they settle, caller\n * cancellation replaces only a successful accepted outcome with `ABORTED`.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the call that just ran (name, parsed arguments, caller agent).\n * @param result - the dispatch outcome a listener may accept, replace, or block.\n * @mode waterfall\n */', + jsDoc: '/**\n * Accept, replace, enrich, or block a normalized dispatch result. `next()`\n * accepts it unchanged; thrown tools still reach this seam as errors. Async\n * listeners must observe `exec.signal`; after they settle, caller\n * cancellation replaces only a successful accepted outcome with the code\n * selected by whether the tool body was invoked.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent\'s calls.\n * @param exec - the call that just ran (name, parsed arguments, caller agent).\n * @param result - the dispatch outcome a listener may accept, replace, or block.\n * @mode waterfall\n */', summary: 'Accept, replace, enrich, or block a normalized dispatch result.', }, { @@ -1514,7 +1514,7 @@ export const TYPE_API: readonly TypeApiEntry[] = [ }, { name: 'ToolExecutionInput', - declaration: 'export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n}', + declaration: 'export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n readonly signal: AbortSignal;\n}', }, { name: 'ToolExecutionMode', diff --git a/packages/cordis/tool-cordis/tests/helpers.ts b/packages/cordis/tool-cordis/tests/helpers.ts index b183a2444f..e945249814 100644 --- a/packages/cordis/tool-cordis/tests/helpers.ts +++ b/packages/cordis/tool-cordis/tests/helpers.ts @@ -6,6 +6,8 @@ import ToolRegistry from '@deepseek-ai/dsh-tools' import type { ToolDefinition, ToolExecutionResult } from '@deepseek-ai/dsh-tools' import * as tool from '../src/index.ts' +const testToolSignal = new AbortController().signal + /** * Shared spec helpers: a real `SystemPrompt` + `ToolRegistry` + timer + * tool-cordis tree (only the model is absent — the code strings below stand in @@ -27,7 +29,7 @@ let callCounter = 0 /** Execute a registered tool through the real registry pipeline. */ export function call(ctx: Context, name: string, args: unknown): Promise { - return ctx.tools.execute({ callId: CallId(`call-${++callCounter}`), name, arguments: args }) + return ctx.tools.execute({ signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name, arguments: args }) } /** Concatenated text blocks of one tool result. */ diff --git a/packages/core/agent-loop/README.md b/packages/core/agent-loop/README.md index e2c7723185..94e0414813 100644 --- a/packages/core/agent-loop/README.md +++ b/packages/core/agent-loop/README.md @@ -54,7 +54,7 @@ The driver owns one agent for its lifetime and runs inside `ctx.agents.withIniti Every provider call that reaches a successful finish appends exactly one `assistant/message` completion anchor, including content-less calls and `max-tokens` finishes. A successful `agent/step-result` stores its transformed content; a rejected result records empty content before the original failure continues. The anchor retains exact chunk provenance (`[]` for a stream with no chunks) and usage when available, while empty content stays out of derived message history. -Plugin failure ends the current turn, not the loop. Only final adapter dispatch/iteration failures and terminal in-band error or aborted finishes enter `agent/request-error`; middleware, result processing, tools, and `agent/post-step` remain ordinary turn failures. Recovery observes a closed failed step, and a retry rebuilds the request from the durable log in a new numbered step. Cancellation clears pending work and aborts the current step without leaking to the next prompt; undispatched model tool calls receive synthetic `tool/call` and aborted result pairs. Terminal continuation stops remain authoritative through turn close and durability flush. +Plugin failure ends the current turn, not the loop. Only final adapter dispatch/iteration failures and terminal in-band error or aborted finishes enter `agent/request-error`; middleware, result processing, tools, and `agent/post-step` remain ordinary turn failures. Recovery observes a closed failed step, and a retry rebuilds the request from the durable log in a new numbered step. Cancellation clears pending work and aborts the current step without leaking to the next prompt; undispatched model tool calls receive synthetic `tool/call` and `ABORTED_BEFORE_DISPATCH` result pairs. Terminal continuation stops remain authoritative through turn close and durability flush. Within a step, exclusive calls form barriers; parallel-safe calls use a bounded rolling pool and are reclassified before start. Only dispatch/body overlaps. Policy, durable results, and result context remain model-ordered. Abort stops new calls, drains started results, then drains accepted batch context before the turn closes through the normal abort path. @@ -102,7 +102,7 @@ Ordinary history growth is append-only and preserves reusable entries. A surface #### What the model sees -If a later request replays an aborted step, each tool call that cancellation prevented from dispatching has the error result text `Error: tool call skipped because the step was aborted before execution`. +If a later request replays an aborted step, each tool call that cancellation prevented from dispatching has error code `ABORTED_BEFORE_DISPATCH` and result text `Error: tool call aborted before dispatch`. #### Token effect diff --git a/packages/core/agent-loop/src/tool-calls.ts b/packages/core/agent-loop/src/tool-calls.ts index 663dda1b53..64c6c69cf6 100644 --- a/packages/core/agent-loop/src/tool-calls.ts +++ b/packages/core/agent-loop/src/tool-calls.ts @@ -13,7 +13,7 @@ import type { Context } from 'cordis' import { assertNever, type ToolCallBlock } from '@deepseek-ai/dsh-llm' import type { HookContext } from '@deepseek-ai/dsh-agent' import type { Session } from '@deepseek-ai/dsh-session' -import { TOOL_REGISTRY_SCHEDULER, type ToolExecutionInput, type ToolExecutionMode, type ToolExecutionResult, type ToolRunContext } from '@deepseek-ai/dsh-tools' +import { TOOL_ABORTED_BEFORE_DISPATCH, TOOL_REGISTRY_SCHEDULER, type ToolExecutionInput, type ToolExecutionMode, type ToolExecutionResult, type ToolRunContext } from '@deepseek-ai/dsh-tools' /** One tool call after argument parsing, ready to schedule. */ interface PlannedCall { @@ -217,9 +217,9 @@ async function runGroup( function appendSkippedToolCall(session: Session, turn: number, step: number, block: ToolCallBlock): void { const callSeq = appendToolCall(session, turn, step, block) appendToolResult(session, turn, step, block, { - content: [{ type: 'text', text: 'Error: tool call skipped because the step was aborted before execution' }], + content: [{ type: 'text', text: 'Error: tool call aborted before dispatch' }], isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, }, callSeq) } diff --git a/packages/core/agent-loop/tests/agent-initiator.spec.ts b/packages/core/agent-loop/tests/agent-initiator.spec.ts index 8e9b951fa1..2946cd23a8 100644 --- a/packages/core/agent-loop/tests/agent-initiator.spec.ts +++ b/packages/core/agent-loop/tests/agent-initiator.spec.ts @@ -9,6 +9,8 @@ import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry, { defineTool } from '@deepseek-ai/dsh-tools' import { MockAdapter, textResponse, toolCallResponse } from './mock-adapter.ts' +const testToolSignal = new AbortController().signal + interface Harness { ctx: Context agentsFiber: Fiber @@ -239,6 +241,7 @@ describe('AgentLoop initiator scope', () => { })) const direct = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('direct'), name: 'agentless-probe', arguments: {}, diff --git a/packages/core/agent-loop/tests/cancel.spec.ts b/packages/core/agent-loop/tests/cancel.spec.ts index 14e7cf8976..a446db4e73 100644 --- a/packages/core/agent-loop/tests/cancel.spec.ts +++ b/packages/core/agent-loop/tests/cancel.spec.ts @@ -12,7 +12,7 @@ import { Context } from 'cordis' import LlmService, { type Message } from '@deepseek-ai/dsh-llm' import SessionStore, { SessionId, TurnEndReason } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry, { defineTool } from '@deepseek-ai/dsh-tools' +import ToolRegistry, { defineTool, TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import AgentRegistry, { type Agent } from '@deepseek-ai/dsh-agent' import AgentLoop from '@deepseek-ai/dsh-agent-loop' import { MockAdapter, textResponse, toolCallResponse } from './mock-adapter.ts' @@ -181,7 +181,7 @@ describe('Agent.cancel()', () => { expect(result?.type === 'tool/result' ? result.data : undefined).toMatchObject({ callId: 'c1', isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, }) send(agent, 'continue safely') diff --git a/packages/core/agent-loop/tests/contract-regressions.spec.ts b/packages/core/agent-loop/tests/contract-regressions.spec.ts index a85e79ecc7..062d375f30 100644 --- a/packages/core/agent-loop/tests/contract-regressions.spec.ts +++ b/packages/core/agent-loop/tests/contract-regressions.spec.ts @@ -3,7 +3,7 @@ import { Context } from 'cordis' import LlmService, { CallId, ContentBlock, MessageSource, StreamChunk } from '@deepseek-ai/dsh-llm' import SessionStore, { Session, SessionEvent, SessionId, TurnEndReason } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry, { defineTool, type PostToolDecision } from '@deepseek-ai/dsh-tools' +import ToolRegistry, { defineTool, TOOL_ABORTED, TOOL_ABORTED_BEFORE_DISPATCH, type PostToolDecision } from '@deepseek-ai/dsh-tools' import AgentRegistry, { type Agent, type ContinuationDecision } from '@deepseek-ai/dsh-agent' import AgentLoop, { DEFAULT_MAX_PARALLEL_TOOL_CALLS } from '@deepseek-ai/dsh-agent-loop' import { prepareReactLoopAgent } from '../src/agent.ts' @@ -259,7 +259,10 @@ describe('abort during tool execution ends the turn', () => { case 'assistant/message': order.push('assistant/message'); break case 'tool/call': order.push(`tool/call:${event.data.callId}`); break case 'tool/result': { - const outcome = event.data.error?.code === 'ABORTED' ? 'aborted' : 'completed' + const outcome = event.data.error?.code === TOOL_ABORTED + || event.data.error?.code === TOOL_ABORTED_BEFORE_DISPATCH + ? 'aborted' + : 'completed' order.push(`tool/result:${event.data.callId}:${outcome}`) break } @@ -308,12 +311,12 @@ describe('abort during tool execution ends the turn', () => { callId: CallId('c1'), content: [{ type: 'text', text: 'Error: tool call aborted' }], isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED }, }) expect(results[1]!.data).toMatchObject({ callId: CallId('c2'), isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, }) }) diff --git a/packages/core/agent-loop/tests/tool-calls.spec.ts b/packages/core/agent-loop/tests/tool-calls.spec.ts index 47235dcf83..9619171a21 100644 --- a/packages/core/agent-loop/tests/tool-calls.spec.ts +++ b/packages/core/agent-loop/tests/tool-calls.spec.ts @@ -9,7 +9,7 @@ import { CallId, StreamChunk } from '@deepseek-ai/dsh-llm' import SessionStore, { SessionEvent, SessionId } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import LlmService from '@deepseek-ai/dsh-llm' -import ToolRegistry, { defineTool, type PostToolDecision, type PreToolDecision } from '@deepseek-ai/dsh-tools' +import ToolRegistry, { defineTool, TOOL_ABORTED_BEFORE_DISPATCH, type PostToolDecision, type PreToolDecision } from '@deepseek-ai/dsh-tools' import AgentRegistry, { type Agent } from '@deepseek-ai/dsh-agent' import AgentLoop from '@deepseek-ai/dsh-agent-loop' import { MockAdapter, textResponse } from './mock-adapter.ts' @@ -476,8 +476,8 @@ describe('tool-call scheduler: abort handling', () => { isError: e.data.isError, error: e.data.error, }))).toEqual([ - { callId: CallId('c1'), isError: true, error: { name: 'AbortError', code: 'ABORTED' } }, - { callId: CallId('c2'), isError: true, error: { name: 'AbortError', code: 'ABORTED' } }, + { callId: CallId('c1'), isError: true, error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH } }, + { callId: CallId('c2'), isError: true, error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH } }, ]) }) @@ -508,8 +508,8 @@ describe('tool-call scheduler: abort handling', () => { isError: e.data.isError, error: e.data.error, }))).toEqual([ - { callId: CallId('c1'), isError: true, error: { name: 'AbortError', code: 'ABORTED' } }, - { callId: CallId('c2'), isError: true, error: { name: 'AbortError', code: 'ABORTED' } }, + { callId: CallId('c1'), isError: true, error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH } }, + { callId: CallId('c2'), isError: true, error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH } }, ]) }) @@ -541,8 +541,8 @@ describe('tool-call scheduler: abort handling', () => { .toEqual([CallId('c1'), CallId('c2'), CallId('c3'), CallId('c4')]) expect(events(agent).filter(e => e.type === 'tool/result').slice(-2).map(e => e.data)) .toEqual([ - expect.objectContaining({ callId: CallId('c3'), isError: true, error: { name: 'AbortError', code: 'ABORTED' } }), - expect.objectContaining({ callId: CallId('c4'), isError: true, error: { name: 'AbortError', code: 'ABORTED' } }), + expect.objectContaining({ callId: CallId('c3'), isError: true, error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH } }), + expect.objectContaining({ callId: CallId('c4'), isError: true, error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH } }), ]) const settled = events(agent).filter(e => e.type === 'tool/result' || e.type === 'context/message') expect(settled.map(e => e.type)) @@ -584,6 +584,6 @@ describe('tool-call scheduler: abort handling', () => { expect(events(agent).filter(e => e.type === 'tool/call').map(e => e.data.callId)) .toEqual([CallId('c1'), CallId('c2'), CallId('c3')]) expect(events(agent).filter(e => e.type === 'tool/result').at(-1)?.data) - .toMatchObject({ callId: CallId('c3'), isError: true, error: { name: 'AbortError', code: 'ABORTED' } }) + .toMatchObject({ callId: CallId('c3'), isError: true, error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH } }) }) }) diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md index 5bcbe24ecc..51d288fa2f 100644 --- a/packages/core/tools/README.md +++ b/packages/core/tools/README.md @@ -29,7 +29,7 @@ tools: ### Cancellation -Cancellation is cooperative and quiescent. A cancellation that arrives after registry entry is rechecked after pre-policy, approval, around-dispatch, and post-result policy waits, so a body cannot start late and cancellation that wins before final result materialization supersedes a successful pipeline outcome; if the body has started, the registry preserves the caller signal through wrapper replacement and awaits settlement. A tool-owned structured error still wins. The registry never races away from a live same-process promise: every async tool must observe or forward `exec.signal` and settle only after owned work stops. A signal already aborted on entry still reaches the body for domain-specific cleanup; the agent-loop scheduler prevents model-driven calls from entering in that state. A timeout wrapper may replace the intermediate `ABORTED` with its owned `TOOL_TIMEOUT` when its deadline won. The [tool-cancellation RFC](../../../docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md) owns the service boundary and its hard-termination limit. +Cancellation is cooperative and quiescent. Every typed invocation supplies a caller-owned `AbortSignal`; tool bodies receive it as required readonly `exec.signal`, while only `tools/execute` wrappers may temporarily replace the required signal. The registry preserves caller cancellation through replacement and never races away from a started same-process promise. Cancellation before body invocation is `ABORTED_BEFORE_DISPATCH`; cancellation after invocation can replace only a successful outcome with `ABORTED`. A denial, wrapper failure, tool failure, post-policy failure, or timeout-owned `TOOL_TIMEOUT` remains more specific. A pre-aborted entry materializes and freezes arguments, then skips every policy and dispatch phase and publishes one result. Every async tool must observe or forward the signal and settle only after owned work stops. The [tool-cancellation RFC](../../../docs/rfc/implemented/architecture/2026-07-19-cooperative-tool-cancellation.md) owns the full contract and hard-termination limit. ### Live events @@ -38,9 +38,9 @@ The live registry pipeline has three transformable waterfalls followed by the ob ### Key types - `ToolDefinition` — `ToolSchema` + `execute(args, exec)`, whose async work must cooperatively stop through `exec.signal`, plus optional presentation callbacks, cooperative `timeoutMs`, and optional per-call `isConcurrencySafe(args)` classification. -- `ToolExecutionInput` — the caller-supplied call description: `{ callId, name, arguments, agent?, parent?, signal? }`; callers may pass an enclosing execution's opaque token as `parent` but never choose the new execution's own token. +- `ToolExecutionInput` — the caller-supplied call description: `{ callId, name, arguments, signal, agent?, parent? }`; `signal` is required and readonly, callers may pass an enclosing execution's opaque token as `parent`, and callers never choose the new execution's own token. - `ToolExecutionToken` — a fresh branded `Symbol` assigned by the registry. It supports equality correlation only and never crosses a model, log, or worker boundary. -- `ToolExecution` — the pipeline-owned call: immutable `{ token, callId, name, arguments, agent?, parent? }` identity plus optional operational `signal`, which an around wrapper may add, replace, remove, and restore; the registry separately retains and re-fuses the original caller signal. A nested call's `parent` is a `ToolExecutionToken`, not an execution object. +- `ToolExecution` — the readonly pipeline view: immutable `{ token, callId, name, arguments, signal, agent?, parent? }`; the registry separately retains and re-fuses the original caller signal. `ToolDispatchExecution` is the `tools/execute`-only view whose required signal is mutable, so a wrapper may replace and restore it but cannot delete it. A nested call's `parent` is a `ToolExecutionToken`, not an execution object. - `ToolRunContext` — the execution passed to a tool body, extending `ToolExecution` with `deferContext(context)`. Composite tools use it to ferry context produced by nested dispatches to the outer result even when the tool later throws or cancellation wins; it never injects immediately. - `ToolExecutionResult` — losslessly JSON-serializable outcome: `{ content, isError, error?, additionalContexts?, meta? }`. Call identity stays on the immutable `ToolExecution` supplied alongside the result instead of being duplicated on the outcome. The registry materializes and freezes the complete post-policy value before final observation. On failure with a `HarnessError`, `error: { name, code }` carries the structured failure class alongside the model-facing text. `additionalContexts` preserves each deferred or post-execute `HookContext` with its own source, envelope, and durable JSON metadata; the loop buffers the array and appends each entry as a `context/message` after all `tool/result`s in the step. - `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite is deliberately not offered; `ask` is serviced by [`ctx.approval`](../../ui/user-approval/README.md) when mounted and otherwise degrades to deny. diff --git a/packages/core/tools/src/code-mode.ts b/packages/core/tools/src/code-mode.ts index 0a65c9e434..01af0e4857 100644 --- a/packages/core/tools/src/code-mode.ts +++ b/packages/core/tools/src/code-mode.ts @@ -160,9 +160,8 @@ export function createRunCodeTool(registry: ToolRegistry, requireRuntime: () => // (its executor kills on this signal) instead of orphaned, and // queued-unstarted dispatches are abandoned. const runController = new AbortController() - const onOuterAbort = (): void => { runController.abort(exec.signal?.reason) } - if (exec.signal?.aborted) onOuterAbort() - exec.signal?.addEventListener('abort', onOuterAbort, { once: true }) + const onOuterAbort = (): void => { runController.abort(exec.signal.reason) } + exec.signal.addEventListener('abort', onOuterAbort, { once: true }) let dispatches = 0 // The per-run serialization queue: every binding call chains onto the tail, so even @@ -273,7 +272,7 @@ export function createRunCodeTool(registry: ToolRegistry, requireRuntime: () => meta, } } finally { - exec.signal?.removeEventListener('abort', onOuterAbort) + exec.signal.removeEventListener('abort', onOuterAbort) } }, // ACP execute cards use the program as their visible title. diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts index bcf61982b1..39a2e0bc81 100644 --- a/packages/core/tools/src/index.ts +++ b/packages/core/tools/src/index.ts @@ -90,12 +90,13 @@ declare module 'cordis' { * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal). * @mode waterfall */ - 'tools/execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise + 'tools/execute'(this: Scoped, exec: ToolDispatchExecution, next: () => Promise): Promise /** * Accept, replace, enrich, or block a normalized dispatch result. `next()` * accepts it unchanged; thrown tools still reach this seam as errors. Async * listeners must observe `exec.signal`; after they settle, caller - * cancellation replaces only a successful accepted outcome with `ABORTED`. + * cancellation replaces only a successful accepted outcome with the code + * selected by whether the tool body was invoked. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the call that just ran (name, parsed arguments, caller agent). * @param result - the dispatch outcome a listener may accept, replace, or block. @@ -218,7 +219,8 @@ export interface ToolExecutionInput { * the outer `run_code` outcome without receiving its live mutable execution. */ readonly parent?: ToolExecutionToken - signal?: AbortSignal + /** Required caller-owned cancellation for this invocation. */ + readonly signal: AbortSignal } /** @@ -232,17 +234,25 @@ export type ToolExecutionMode = /** * One pending tool call inside the registry pipeline. Parsed arguments cross * one lossless-JSON materialization boundary before policy and are deep-frozen; - * call identity and the registry-assigned {@link token} are readonly. An - * around-dispatch wrapper may set, replace, or remove `signal`; immediately - * before the body, the registry re-fuses the original caller signal so a - * wrapper cannot detach caller cancellation. The registry freezes the complete - * object before `tools/result` observers run. + * call identity, the caller signal, and the registry-assigned {@link token} are + * readonly. The registry freezes the complete object before `tools/result` + * observers run. */ export interface ToolExecution extends ToolExecutionInput { /** Registry-assigned identity shared with nested calls only as their opaque `parent` token. */ readonly token: ToolExecutionToken } +/** + * Around-dispatch view of a {@link ToolExecution}. A `tools/execute` wrapper + * may replace the signal for its delegated lifetime, but it cannot remove it. + * The registry fuses every replacement with the captured caller signal. + */ +export interface ToolDispatchExecution extends Omit { + /** Cancellation signal visible to the next wrapper or tool body. */ + signal: AbortSignal +} + /** * Runtime context handed to a tool implementation after the registry has * accepted a {@link ToolExecution}. A composite tool uses @@ -258,6 +268,9 @@ export interface ToolRunContext extends ToolExecution { deferContext(context: HookContext): void } +/** Registry-owned live execution object; public pipeline views stay readonly. */ +type MutableToolRunContext = Omit & { signal: AbortSignal } + /** * Scheduler-only result after ordered pre-execute and guards. A `post-result` * still receives post-execute; a `final-result` bypasses it. @@ -299,6 +312,13 @@ export interface ToolRegistryScheduler { * @internal */ export const TOOL_REGISTRY_SCHEDULER: unique symbol = Symbol('@deepseek-ai/dsh-tools.scheduler') + +/** Canonical error code for cancellation after a tool body was invoked. */ +export const TOOL_ABORTED = 'ABORTED' + +/** Canonical error code for cancellation before a tool body was invoked. */ +export const TOOL_ABORTED_BEFORE_DISPATCH = 'ABORTED_BEFORE_DISPATCH' + /** Structured error metadata for a failed tool call (alongside the model-facing text). */ export interface ToolErrorInfo { name: string @@ -448,15 +468,21 @@ interface ToolGuardRegistration { guard: ToolGuard } -/** Caller cancellation captured before around-dispatch wrappers may replace the public signal slot. */ +/** Approval decision plus whether the approval channel reported cancellation. */ +interface ToolAskResolution { + readonly decision: Extract + readonly approvalCancelled: boolean +} + +/** Caller cancellation and dispatch state kept outside the around-wrapper view. */ interface ToolCancellationState { - readonly callerSignal: AbortSignal | undefined - readonly abortedAtEntry: boolean + readonly callerSignal: AbortSignal + bodyInvoked: boolean } /** One dispatch-scoped fused signal plus listener cleanup after the body settles. */ interface FusedToolSignal { - readonly signal: AbortSignal | undefined + readonly signal: AbortSignal dispose(): void } @@ -807,9 +833,9 @@ export class ToolRegistry extends Service { * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is * the same lossless, frozen snapshot final observers receive. Cancellation * arriving after entry and before final result materialization skips a - * not-yet-started body or replaces a successful pipeline outcome with - * `ABORTED`; already-started work is still drained and may retain a - * tool-owned structured error. + * not-yet-started body with `ABORTED_BEFORE_DISPATCH` or replaces a + * successful started outcome with `ABORTED`; already-started work is still + * drained and may retain a tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -836,7 +862,7 @@ export class ToolRegistry extends Service { } } - private createExecution(exec: ToolExecutionInput): ScheduledToolPreparation | { kind: 'ready'; exec: ToolRunContext } { + private createExecution(exec: ToolExecutionInput): ScheduledToolPreparation | { kind: 'ready'; exec: MutableToolRunContext } { const deferredContexts: HookContext[] = [] const token = createExecutionToken() const callId = exec.callId @@ -848,9 +874,9 @@ export class ToolRegistry extends Service { token, callId, name, + signal, ...agent !== undefined ? { agent } : {}, ...parent !== undefined ? { parent } : {}, - ...signal !== undefined ? { signal } : {}, deferContext(context: HookContext): void { deferredContexts.push(context) }, @@ -860,15 +886,15 @@ export class ToolRegistry extends Service { if (detached === undefined) { throw new TypeError('tool execution arguments must be losslessly JSON-serializable') } - const execution: ToolRunContext = { ...base, arguments: deepFreeze(detached) } + const execution: MutableToolRunContext = { ...base, arguments: deepFreeze(detached) } this.deferredContexts.set(execution, deferredContexts) this.cancellationStates.set(execution, { callerSignal: signal, - abortedAtEntry: signal?.aborted === true, + bodyInvoked: false, }) return { kind: 'ready', exec: execution } } catch (error: unknown) { - const execution: ToolRunContext = { ...base, arguments: undefined } + const execution: MutableToolRunContext = { ...base, arguments: undefined } return { kind: 'final-result', exec: execution, result: toolErrorResult(error) } } } @@ -890,15 +916,21 @@ export class ToolRegistry extends Service { const created = this.createExecution(input) if (created.kind !== 'ready') return next(created) const exec = created.exec + if (this.callerCancelled(exec)) { + return next({ kind: 'final-result', exec, result: toolAbortedBeforeDispatchResult() }) + } try { const carrier = scopeTarget(this, exec.agent) const gate = await this.ctx.waterfall( carrier, 'tools/pre-execute', exec, () => Promise.resolve({ kind: 'allow' }), ) - const decision = gate.kind === 'ask' ? await this.serviceAsk(exec, gate) : gate - if (this.callerCancelledAfterEntry(exec)) { - return await next({ kind: 'post-result', exec, result: toolAbortedResult() }) + const askResolution: ToolAskResolution = gate.kind === 'ask' + ? await this.serviceAsk(exec, gate) + : { decision: gate, approvalCancelled: false } + const { decision } = askResolution + if (this.callerCancelled(exec) && askResolution.approvalCancelled) { + return await next({ kind: 'post-result', exec, result: toolAbortedBeforeDispatchResult() }) } const denialReason = decision.kind === 'allow' ? this.guardReason(exec) @@ -913,20 +945,31 @@ export class ToolRegistry extends Service { }, }) } + if (this.callerCancelled(exec)) { + return await next({ kind: 'post-result', exec, result: toolAbortedBeforeDispatchResult() }) + } return await next({ kind: 'dispatch', exec }) } catch (error: unknown) { - return this.callerCancelledAfterEntry(exec) - ? await next({ kind: 'post-result', exec, result: toolAbortedResult() }) - : next({ kind: 'final-result', exec, result: toolErrorResult(error) }) + return next({ kind: 'final-result', exec, result: toolErrorResult(error) }) } } - /** Whether the original live caller signal aborted after this execution entered the registry. */ - private callerCancelledAfterEntry(exec: ToolRunContext): boolean { + /** Whether the original caller signal is currently aborted. */ + private callerCancelled(exec: ToolRunContext): boolean { const state = this.cancellationStates.get(exec) /* v8 ignore next -- only registry-minted executions reach the staged scheduler methods */ if (state === undefined) throw new Error('tool registry scheduler invariant violated: missing cancellation state') - return !state.abortedAtEntry && state.callerSignal?.aborted === true + return state.callerSignal.aborted + } + + /** Canonical cancellation outcome selected by whether the tool body started. */ + private cancellationResult(exec: ToolRunContext, prior?: ToolExecutionResult): ToolExecutionResult { + const state = this.cancellationStates.get(exec) + /* v8 ignore next -- only registry-minted executions reach the staged scheduler methods */ + if (state === undefined) throw new Error('tool registry scheduler invariant violated: missing cancellation state') + return state.bodyInvoked + ? toolAbortedResult(prior) + : toolAbortedBeforeDispatchResult(prior) } /** @@ -934,24 +977,23 @@ export class ToolRegistry extends Service { * into any around-wrapper replacement. Cancellation never abandons the body: * a started promise reaches quiescence before its outcome becomes `ABORTED`. */ - private async dispatchToolBody(exec: ToolRunContext): Promise { + private async dispatchToolBody(exec: MutableToolRunContext): Promise { const state = this.cancellationStates.get(exec) /* v8 ignore next -- only registry-minted executions reach the staged scheduler methods */ if (state === undefined) throw new Error('tool registry scheduler invariant violated: missing cancellation state') const wrapperSignal = exec.signal const fused = fuseToolSignals(state.callerSignal, wrapperSignal) const signal = fused.signal - const abortedBeforeBody = isAborted(signal) - if (!state.abortedAtEntry && abortedBeforeBody) { + if (isAborted(signal)) { fused.dispose() - return toolAbortedResult() + return toolAbortedBeforeDispatchResult() } - if (signal === undefined) delete exec.signal - else exec.signal = signal + exec.signal = signal try { const tool = this.get(exec.name, exec.agent) if (!tool) throw new ToolNotFoundError(exec.name) + state.bodyInvoked = true const returned = await tool.execute(exec.arguments, exec) const content = Array.isArray(returned) ? returned : returned.content const meta = Array.isArray(returned) ? undefined : returned.meta @@ -960,15 +1002,14 @@ export class ToolRegistry extends Service { isError: false, ...meta !== undefined ? { meta } : {}, } - return !abortedBeforeBody && isAborted(signal) + return isAborted(signal) ? toolAbortedResult(result) : result } catch (error: unknown) { return toolErrorResult(error) } finally { fused.dispose() - if (wrapperSignal === undefined) delete exec.signal - else exec.signal = wrapperSignal + exec.signal = wrapperSignal } } @@ -981,10 +1022,11 @@ export class ToolRegistry extends Service { */ private async dispatchScheduledExecution(exec: ToolRunContext): Promise { try { + const mutableExec = exec as MutableToolRunContext const carrier = scopeTarget(this, exec.agent) const result = await this.ctx.waterfall( - carrier, 'tools/execute', exec, - () => this.dispatchToolBody(exec), + carrier, 'tools/execute', mutableExec, + () => this.dispatchToolBody(mutableExec), ) const deferredContexts = this.deferredContexts.get(exec) /* v8 ignore next -- dispatch only receives executions minted by this registry's prepare stage */ @@ -1000,8 +1042,8 @@ export class ToolRegistry extends Service { } return { kind: 'post-result', - result: this.callerCancelledAfterEntry(exec) && !resultWithDeferredContexts.isError - ? toolAbortedResult(resultWithDeferredContexts) + result: this.callerCancelled(exec) && !resultWithDeferredContexts.isError + ? this.cancellationResult(exec, resultWithDeferredContexts) : resultWithDeferredContexts, } } catch (error: unknown) { @@ -1021,8 +1063,8 @@ export class ToolRegistry extends Service { const postResult = await this.postExecute(exec, result) return this.finishScheduledExecution( exec, - this.callerCancelledAfterEntry(exec) && !postResult.isError - ? toolAbortedResult(postResult) + this.callerCancelled(exec) && !postResult.isError + ? this.cancellationResult(exec, postResult) : postResult, ) } catch (error: unknown) { @@ -1050,8 +1092,8 @@ export class ToolRegistry extends Service { /** Notify observers without exposing a mutation or error channel into the outcome. */ private notifyResult(exec: ToolExecution, result: ToolExecutionResult): void { - // Freeze the remaining mutable signal slot before observers receive the - // shared WeakMap-keyable execution object. + // Freeze the registry's live object before observers receive its readonly + // WeakMap-keyable view. Object.freeze(exec) const callbacks = this.ctx.events.dispatch('emit', [ scopeTarget(this, exec.agent), 'tools/result', exec, result, @@ -1079,26 +1121,41 @@ export class ToolRegistry extends Service { private async serviceAsk( exec: ToolExecution, ask: Extract, - ): Promise> { + ): Promise { const approval = this.ctx.get('approval') if (approval === undefined) { - return { kind: 'deny', reason: ask.reason ?? `tool "${exec.name}" requires approval (not yet supported)` } + return { + decision: { kind: 'deny', reason: ask.reason ?? `tool "${exec.name}" requires approval (not yet supported)` }, + approvalCancelled: false, + } } if (exec.agent === undefined) { - return { kind: 'deny', reason: `tool "${exec.name}" requires approval, but the call has no agent to route it through` } + return { + decision: { kind: 'deny', reason: `tool "${exec.name}" requires approval, but the call has no agent to route it through` }, + approvalCancelled: false, + } } const outcome = await approval.request({ agent: exec.agent, toolName: exec.name, callId: exec.callId, ...ask.reason !== undefined ? { reason: ask.reason } : {}, - ...exec.signal !== undefined ? { signal: exec.signal } : {}, + signal: exec.signal, }) switch (outcome) { - case 'allowed-once': return { kind: 'allow' } - case 'rejected': return { kind: 'deny', reason: `the user rejected tool "${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` } + case 'allowed-once': return { decision: { kind: 'allow' }, approvalCancelled: false } + case 'rejected': return { + decision: { kind: 'deny', reason: `the user rejected tool "${exec.name}"` }, + approvalCancelled: false, + } + case 'cancelled': return { + decision: { kind: 'deny', reason: `approval for tool "${exec.name}" was cancelled` }, + approvalCancelled: true, + } + case 'unavailable': return { + decision: { kind: 'deny', reason: `tool "${exec.name}" requires approval, but no approval channel is available` }, + approvalCancelled: false, + } default: return assertNever(outcome, 'ApprovalOutcome') } } @@ -1165,19 +1222,16 @@ function toolErrorResult(error: unknown): ToolExecutionResult { } /** Read live abort state across an await without treating it as synchronously immutable. */ -function isAborted(signal: AbortSignal | undefined): boolean { - return signal?.aborted === true +function isAborted(signal: AbortSignal): boolean { + return signal.aborted } /** * Fuse caller and wrapper cancellation without nesting `AbortSignal.any`. * Keeping the relay dispatch-scoped also removes listeners when work settles. */ -function fuseToolSignals(caller: AbortSignal | undefined, wrapper: AbortSignal | undefined): FusedToolSignal { - if (caller === undefined || caller === wrapper) { - return { signal: wrapper ?? caller, dispose() {} } - } - if (wrapper === undefined) return { signal: caller, dispose() {} } +function fuseToolSignals(caller: AbortSignal, wrapper: AbortSignal): FusedToolSignal { + if (caller === wrapper) return { signal: caller, dispose() {} } const controller = new AbortController() let listening = false @@ -1205,13 +1259,24 @@ function fuseToolSignals(caller: AbortSignal | undefined, wrapper: AbortSignal | return { signal: controller.signal, dispose } } -/** Canonical result when cancellation prevents dispatch or supersedes a successful outcome. */ +/** Canonical result when cancellation supersedes success after body invocation. */ function toolAbortedResult(prior?: ToolExecutionResult): ToolExecutionResult { const additionalContexts = prior?.additionalContexts ?? [] return { content: [{ type: 'text', text: 'Error: tool call aborted' }], isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED }, + ...additionalContexts.length > 0 ? { additionalContexts } : {}, + } +} + +/** Canonical result when cancellation prevents tool body invocation. */ +function toolAbortedBeforeDispatchResult(prior?: ToolExecutionResult): ToolExecutionResult { + const additionalContexts = prior?.additionalContexts ?? [] + return { + content: [{ type: 'text', text: 'Error: tool call aborted before dispatch' }], + isError: true, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, ...additionalContexts.length > 0 ? { additionalContexts } : {}, } } diff --git a/packages/core/tools/tests/code-mode.spec.ts b/packages/core/tools/tests/code-mode.spec.ts index 64b58b336f..355165927e 100644 --- a/packages/core/tools/tests/code-mode.spec.ts +++ b/packages/core/tools/tests/code-mode.spec.ts @@ -6,12 +6,14 @@ import type { Scope } from '@deepseek-ai/dsh-scope' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import { CodeRuntime } from '@deepseek-ai/dsh-code-runtime' import type { CodeRunRequest, CodeRunResult } from '@deepseek-ai/dsh-code-runtime' -import ToolRegistry, { CodeRunFailedError, RUN_CODE_NAME, defineTool } from '@deepseek-ai/dsh-tools' +import ToolRegistry, { CodeRunFailedError, RUN_CODE_NAME, TOOL_ABORTED_BEFORE_DISPATCH, defineTool } from '@deepseek-ai/dsh-tools' import type { Config, PostToolDecision, ToolExecutionResult } from '@deepseek-ai/dsh-tools' import type { Agent } from '@deepseek-ai/dsh-agent' import { Session, SessionId } from '@deepseek-ai/dsh-session' import type { SessionEventMap } from '@deepseek-ai/dsh-session' +const testToolSignal = new AbortController().signal + /** * Code Mode unit tier (per the RFC's plan): provider contribution per mode, * misconfiguration rejections, the run_code dispatch bridge (serialization, @@ -95,6 +97,7 @@ function fakeAgent(options: { cwd?: string } = { cwd: '/workspace' }): { agent: /** Dispatch run_code through the registry pipeline, as the loop would. */ async function runCode(ctx: Context, code: string, extras: { agent?: Agent; signal?: AbortSignal } = {}): Promise { return ctx.tools.execute({ + signal: testToolSignal, callId: CallId('call-1'), name: RUN_CODE_NAME, arguments: { code }, @@ -357,8 +360,7 @@ describe('the run_code dispatch bridge', () => { const previous = exec.signal exec.signal = new AbortController().signal const result = await next() - if (previous === undefined) delete exec.signal - else exec.signal = previous + exec.signal = previous return result }) ctx.on('tools/result', (exec) => { @@ -577,7 +579,7 @@ describe('the run_code dispatch bridge', () => { seen.push(args.id) await new Promise((resolve) => { const timer = setTimeout(resolve, 500) - exec.signal?.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true }) + exec.signal.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true }) }) return [{ type: 'text' as const, text: args.id }] }, @@ -613,7 +615,7 @@ describe('the run_code dispatch bridge', () => { started() await new Promise((resolve) => { const timer = setTimeout(resolve, 500) - exec.signal?.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true }) + exec.signal.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true }) }) return [{ type: 'text' as const, text: args.id }] }, @@ -841,7 +843,7 @@ describe('the run_code dispatch bridge', () => { expect((result.content[0] as { text: string }).text).toBe('{ n: 42 }') }) - it('reports a pre-aborted outer signal as the run failure without dispatching anything', async () => { + it('short-circuits a pre-aborted outer signal before the code runtime', async () => { const { ctx, runtime } = await setup({ mode: 'code' }) const calls = registerEcho(ctx) runtime.behavior = (request) => { @@ -853,7 +855,12 @@ describe('the run_code dispatch bridge', () => { controller.abort('too-late') const result = await runCode(ctx, 'program', { signal: controller.signal }) expect(result.isError).toBe(true) - expect((result.content[0] as { text: string }).text).toContain('code run failed (abort)') + expect(result).toEqual({ + content: [{ type: 'text', text: 'Error: tool call aborted before dispatch' }], + isError: true, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, + }) + expect(runtime.lastRequest).toBeUndefined() expect(calls).toEqual([]) }) diff --git a/packages/core/tools/tests/execution-mode.spec.ts b/packages/core/tools/tests/execution-mode.spec.ts index 9a12f33a51..054eed65ed 100644 --- a/packages/core/tools/tests/execution-mode.spec.ts +++ b/packages/core/tools/tests/execution-mode.spec.ts @@ -11,6 +11,8 @@ import ToolRegistry, { type ToolExecutionMode, } from '@deepseek-ai/dsh-tools' +const testToolSignal = new AbortController().signal + async function setup() { const ctx = new Context() await ctx.plugin(SystemPrompt) @@ -19,7 +21,7 @@ async function setup() { } function exec(name: string, args: unknown): ToolExecutionInput { - return { callId: CallId('c1'), name, arguments: args } + return { signal: testToolSignal, callId: CallId('c1'), name, arguments: args } } describe('ToolRegistry.executionMode', () => { diff --git a/packages/core/tools/tests/execution-signal-types.spec.ts b/packages/core/tools/tests/execution-signal-types.spec.ts new file mode 100644 index 0000000000..e0e030543f --- /dev/null +++ b/packages/core/tools/tests/execution-signal-types.spec.ts @@ -0,0 +1,100 @@ +import { describe, expectTypeOf, it } from 'vitest' +import type { Context } from 'cordis' +import { CallId } from '@deepseek-ai/dsh-llm' +import { defineTool } from '@deepseek-ai/dsh-tools' +import type { + ToolDispatchExecution, + ToolExecution, + ToolExecutionInput, + ToolRunContext, +} from '@deepseek-ai/dsh-tools' + +function inputAndExecutionContracts( + input: ToolExecutionInput, + execution: ToolExecution, + run: ToolRunContext, +): void { + // @ts-expect-error -- every typed invocation must supply a caller-owned signal. + const missingSignal: ToolExecutionInput = { callId: CallId('missing'), name: 'probe', arguments: {} } + void missingSignal + + // @ts-expect-error -- caller input is readonly after construction. + input.signal = new AbortController().signal + // @ts-expect-error -- required readonly properties cannot be deleted. + delete input.signal + // @ts-expect-error -- required signals cannot become undefined. + input.signal = undefined + + // @ts-expect-error -- pipeline observers receive a readonly execution view. + execution.signal = new AbortController().signal + // @ts-expect-error -- pipeline observers cannot remove the required signal. + delete execution.signal + // @ts-expect-error -- tool bodies receive a readonly run context. + run.signal = new AbortController().signal + // @ts-expect-error -- tool bodies cannot remove the required signal. + delete run.signal + // @ts-expect-error -- tool bodies cannot replace the required signal with undefined. + run.signal = undefined +} +void inputAndExecutionContracts + +function observerContracts(ctx: Context): void { + ctx.on('tools/pre-execute', (exec, next) => { + // @ts-expect-error -- pre-policy sees a readonly signal. + exec.signal = new AbortController().signal + // @ts-expect-error -- pre-policy cannot remove the required signal. + delete exec.signal + // @ts-expect-error -- pre-policy cannot replace the required signal with undefined. + exec.signal = undefined + return next() + }) + ctx.on('tools/post-execute', (exec, _result, next) => { + // @ts-expect-error -- post-policy sees a readonly signal. + exec.signal = new AbortController().signal + // @ts-expect-error -- post-policy sees a readonly signal. + delete exec.signal + // @ts-expect-error -- post-policy cannot replace the required signal with undefined. + exec.signal = undefined + return next() + }) + ctx.on('tools/result', (exec) => { + // @ts-expect-error -- result observers see a readonly signal. + exec.signal = new AbortController().signal + // @ts-expect-error -- result observers cannot remove the required signal. + delete exec.signal + // @ts-expect-error -- result observers see a readonly signal. + exec.signal = undefined + }) + ctx.on('tools/execute', (exec, next) => { + exec.signal = new AbortController().signal + // @ts-expect-error -- around-dispatch may replace but not remove the signal. + delete exec.signal + // @ts-expect-error -- around-dispatch cannot replace the required signal with undefined. + exec.signal = undefined + return next() + }) +} +void observerContracts + +const inferredTool = defineTool({ + name: 'signal-inference', + description: 'Pins contextual signal inference.', + parameters: {}, + async execute(_args, exec) { + expectTypeOf(exec.signal).toEqualTypeOf() + // @ts-expect-error -- defineTool contextually exposes a readonly signal. + exec.signal = new AbortController().signal + return [] + }, +}) +void inferredTool + +describe('tool execution signal types', () => { + it('requires an exact AbortSignal at every readonly tool view', () => { + expectTypeOf().toEqualTypeOf() + expectTypeOf().toEqualTypeOf() + expectTypeOf().toEqualTypeOf() + expectTypeOf().toEqualTypeOf() + expectTypeOf().toBeFunction() + }) +}) diff --git a/packages/core/tools/tests/scoped.spec.ts b/packages/core/tools/tests/scoped.spec.ts index 49ffc0bac9..1410d8aa25 100644 --- a/packages/core/tools/tests/scoped.spec.ts +++ b/packages/core/tools/tests/scoped.spec.ts @@ -12,6 +12,8 @@ import { CallId } from '@deepseek-ai/dsh-llm' import type { ContentBlock } from '@deepseek-ai/dsh-llm' import type { SessionId } from '@deepseek-ai/dsh-session' +const testToolSignal = new AbortController().signal + /** Mount the registry (with its systemPrompt dependency) on a fresh context. */ async function mount(): Promise { const ctx = new Context() @@ -43,6 +45,7 @@ function tool(name: string, reply = `ran:${name}`): ToolDefinition { async function run(ctx: Context, name: string, agent?: Agent): Promise { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('c1'), name, arguments: {}, @@ -305,6 +308,7 @@ describe('scoped execution dispatch', () => { expect(await run(ctx, 'danger', key)).toBe('Error: danger denied') const callerArguments = { source: true } const safeResult = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('safe-call'), name: 'safe', arguments: callerArguments, @@ -348,7 +352,7 @@ describe('scoped execution dispatch', () => { if (exec.name === 'parent') parent = exec.token return next() }) - await ctx.tools.execute({ callId: CallId('parent'), name: 'parent', arguments: {} }) + await ctx.tools.execute({ signal: testToolSignal, callId: CallId('parent'), name: 'parent', arguments: {} }) stopCapture() policyCalls = 0 const signal = new AbortController().signal @@ -372,6 +376,7 @@ describe('scoped execution dispatch', () => { signal, }) const subjectlessResult = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('non-cloneable-subjectless'), name: 't', arguments: { invalid: () => undefined }, @@ -414,6 +419,7 @@ describe('scoped execution dispatch', () => { callId: CallId('stateful-parent'), name: 't', arguments: {}, + signal: testToolSignal, get parent(): ToolExecutionToken | undefined { parentReads += 1 return parentReads === 1 ? undefined : forged @@ -438,7 +444,7 @@ describe('scoped execution dispatch', () => { if (exec.name === 'parent') parent = exec.token return next() }) - await ctx.tools.execute({ callId: CallId('parent'), name: 'parent', arguments: {} }) + await ctx.tools.execute({ signal: testToolSignal, callId: CallId('parent'), name: 'parent', arguments: {} }) stopCapture() const acceptedSignal = new AbortController().signal const driftSignal = new AbortController().signal @@ -485,6 +491,7 @@ describe('scoped execution dispatch', () => { const input = { callId: CallId('throwing-arguments'), name: 't', + signal: testToolSignal, get arguments(): unknown { argumentReads += 1 throw new Error('getter exploded') @@ -525,6 +532,7 @@ describe('scoped execution dispatch', () => { }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('bad-arguments'), name: 't', arguments: argumentsValue, }) @@ -545,6 +553,7 @@ describe('scoped execution dispatch', () => { }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('unstable-arguments'), name: 't', arguments: argumentsValue, }) @@ -584,7 +593,7 @@ describe('scoped execution dispatch', () => { }) ctx.on('tools/result', (_exec, result) => { seen.push(result.isError) }) - const result = await ctx.tools.execute({ callId: CallId('final'), name: 't', arguments: {}, agent: key }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('final'), name: 't', arguments: {}, agent: key }) expect(result).toMatchObject({ isError: true, content: [{ type: 'text', text: 'outer failure' }] }) expect(seen).toEqual([true, true]) expect(dispatchModes).toEqual(['emit']) diff --git a/packages/core/tools/tests/tools.spec.ts b/packages/core/tools/tests/tools.spec.ts index b6ab003331..8664b2fb08 100644 --- a/packages/core/tools/tests/tools.spec.ts +++ b/packages/core/tools/tests/tools.spec.ts @@ -6,10 +6,13 @@ import type { Agent } from '@deepseek-ai/dsh-agent' import ApprovalService, { type ApprovalOutcome, type ApprovalRequest } from '@deepseek-ai/dsh-user-approval' import ToolRegistry, { defineTool, schemaSpecToJsonSchema, validateArgs, ToolArgsError, ToolNotFoundError, + TOOL_ABORTED, TOOL_ABORTED_BEFORE_DISPATCH, type InferArgs, type SchemaSpec, type PreToolDecision, type PostToolDecision, - type ToolExecution, type ToolExecutionResult, + type ToolDispatchExecution, type ToolExecutionResult, } from '@deepseek-ai/dsh-tools' +const testToolSignal = new AbortController().signal + async function setup() { const ctx = new Context() await ctx.plugin(SystemPrompt) @@ -79,7 +82,7 @@ describe('ToolRegistry', () => { it('executes a tool and returns its content', async () => { const ctx = await setup() ctx.tools.register(echoTool) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result).toEqual({ content: [{ type: 'text', text: 'hi' }], isError: false }) }) @@ -92,7 +95,7 @@ describe('ToolRegistry', () => { return { content: [{ type: 'text', text: 'ok' }], meta: { diffs: [{ path: 'a', oldText: null, newText: 'x' }] } } }, }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'meta-tool', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'meta-tool', arguments: {} }) expect(result).toEqual({ content: [{ type: 'text', text: 'ok' }], isError: false, @@ -109,7 +112,7 @@ describe('ToolRegistry', () => { return { content: [{ type: 'text', text: 'ok' }] } }, }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'no-meta-tool', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'no-meta-tool', arguments: {} }) expect(result).toEqual({ content: [{ type: 'text', text: 'ok' }], isError: false }) expect('meta' in result).toBe(false) }) @@ -127,6 +130,7 @@ describe('ToolRegistry', () => { }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('bad-meta'), name: 'bad-meta', arguments: {}, }) expect(result.isError).toBe(true) @@ -144,13 +148,13 @@ describe('ToolRegistry', () => { }, }) - const unknown = await ctx.tools.execute({ callId: CallId('c1'), name: 'nope', arguments: {} }) + const unknown = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'nope', arguments: {} }) expect(unknown.isError).toBe(true) expect(unknown.content[0]).toMatchObject({ text: 'Error: unknown tool "nope"' }) // An unknown tool is a routable failure class, same as a tool-thrown one. expect(unknown.error).toEqual({ name: 'ToolNotFoundError', code: 'UNKNOWN_TOOL' }) - const thrown = await ctx.tools.execute({ callId: CallId('c2'), name: 'boom', arguments: {} }) + const thrown = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c2'), name: 'boom', arguments: {} }) expect(thrown.isError).toBe(true) expect(thrown.content[0]).toMatchObject({ text: 'Error: exploded' }) }) @@ -170,6 +174,7 @@ describe('ToolRegistry', () => { }) await expect(ctx.tools.execute({ + signal: testToolSignal, callId: CallId('hostile'), name: 'hostile-throw', arguments: {}, })).resolves.toMatchObject({ isError: true, @@ -195,7 +200,7 @@ describe('ToolRegistry', () => { return next() }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: denied by policy' }) }) @@ -207,7 +212,7 @@ describe('ToolRegistry', () => { ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask', reason: 'needs approval' })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: needs approval' }) }) @@ -218,7 +223,7 @@ describe('ToolRegistry', () => { ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: tool "echo" requires approval (not yet supported)' }) }) @@ -269,7 +274,7 @@ describe('ToolRegistry', () => { 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() }) + const result = await ctx.tools.execute({ signal: testToolSignal, 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"' }) }) @@ -279,16 +284,51 @@ describe('ToolRegistry', () => { 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() }) + const result = await ctx.tools.execute({ signal: testToolSignal, 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('returns ABORTED_BEFORE_DISPATCH when caller cancellation overtakes approval', async () => { + const ctx = await approvalSetup() + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'approval-probe', + async execute() { dispatched += 1; return [] }, + }) + ctx.on('approval/request', () => { + entered.resolve(undefined) + return release.promise + }) + ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('approval-cancelled'), + name: 'approval-probe', + arguments: {}, + agent: fakeAgent(), + signal: controller.signal, + }) + + await entered.promise + controller.abort('caller cancelled approval') + release.resolve('allowed-once') + + await expect(pending).resolves.toMatchObject({ + isError: true, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, + }) + expect(dispatched).toBe(0) + }) + 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() }) + const result = await ctx.tools.execute({ signal: testToolSignal, 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' }) }) @@ -302,7 +342,7 @@ describe('ToolRegistry', () => { }) ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'ask' })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, 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' }) @@ -317,7 +357,7 @@ describe('ToolRegistry', () => { 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() }) + const result = await ctx.tools.execute({ signal: testToolSignal, 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') @@ -331,7 +371,7 @@ describe('ToolRegistry', () => { ctx.on('tools/post-execute', async (_exec, _result, _next): Promise => ({ kind: 'accept', content: [{ type: 'text', text: 'rewritten' }] })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.isError).toBe(false) expect(result.content[0]).toMatchObject({ text: 'rewritten' }) }) @@ -343,7 +383,7 @@ describe('ToolRegistry', () => { ctx.on('tools/post-execute', async (_exec, _result, _next): Promise => ({ kind: 'block', feedback: [{ type: 'text', text: 'output rejected: try again' }] })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'output rejected: try again' }) }) @@ -359,7 +399,7 @@ describe('ToolRegistry', () => { additionalContexts: [{ content: [{ type: 'text', text: 'why it was rejected' }], source: { kind: 'plugin', plugin: 'test' } }], })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'rejected' }) expect(result.additionalContexts).toMatchObject([{ content: [{ text: 'why it was rejected' }], source: { kind: 'plugin', plugin: 'test' } }]) @@ -372,7 +412,7 @@ describe('ToolRegistry', () => { ctx.on('tools/post-execute', async (_exec, _result, _next): Promise => ({ kind: 'accept', additionalContexts: [{ content: [{ type: 'text', text: 'fyi' }], source: { kind: 'plugin', plugin: 'test' } }] })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.additionalContexts).toMatchObject([{ content: [{ text: 'fyi' }], source: { kind: 'plugin', plugin: 'test' } }]) }) @@ -409,7 +449,7 @@ describe('ToolRegistry', () => { } }) - const result = await ctx.tools.execute({ callId: CallId('composite'), name: 'composite', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('composite'), name: 'composite', arguments: {} }) expect(result.additionalContexts?.map(context => context.source)).toEqual([ { kind: 'plugin', plugin: 'nested-1' }, @@ -433,7 +473,7 @@ describe('ToolRegistry', () => { }, })) - const failed = await ctx.tools.execute({ callId: CallId('failed'), name: 'failing-composite', arguments: {} }) + const failed = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('failed'), name: 'failing-composite', arguments: {} }) expect(failed.isError).toBe(true) expect(failed.additionalContexts?.map(context => context.source)).toEqual([{ kind: 'plugin', plugin: 'nested' }]) @@ -442,7 +482,7 @@ describe('ToolRegistry', () => { feedback: [{ type: 'text', text: 'blocked' }], additionalContexts: [{ content: [{ type: 'text', text: 'block-only' }], source: { kind: 'plugin', plugin: 'blocker' } }], })) - const blocked = await ctx.tools.execute({ callId: CallId('blocked'), name: 'failing-composite', arguments: {} }) + const blocked = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('blocked'), name: 'failing-composite', arguments: {} }) expect(blocked.isError).toBe(true) expect(blocked.additionalContexts?.map(context => context.source)).toEqual([{ kind: 'plugin', plugin: 'blocker' }]) }) @@ -465,7 +505,7 @@ describe('ToolRegistry', () => { return decision }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'x' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'x' } }) expect(result.isError).toBe(false) // pre runs fully (gate) before dispatch, then post runs over the result. expect(order).toEqual(['pre:before', 'pre:after', 'post:before', 'post:after']) @@ -485,7 +525,7 @@ describe('ToolRegistry', () => { })) ctx.on('tools/pre-execute', async (_exec, next) => { order.push('pre'); return next() }) - ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise): Promise => { + ctx.on('tools/execute', async (_exec: ToolDispatchExecution, next: () => Promise): Promise => { order.push('execute:before') const result = await next() order.push('execute:after') @@ -493,7 +533,7 @@ describe('ToolRegistry', () => { }) ctx.on('tools/post-execute', async (_exec, _result, next) => { order.push('post'); return next() }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'traced', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'traced', arguments: { text: 'hi' } }) expect(result).toEqual({ content: [{ type: 'text', text: 'hi' }], isError: false }) // The around seam wraps dispatch; pre gates before it, post runs over its result. expect(order).toEqual(['pre', 'execute:before', 'dispatch', 'execute:after', 'post']) @@ -524,14 +564,45 @@ describe('ToolRegistry', () => { release.resolve(undefined) await expect(pending).resolves.toMatchObject({ - content: [{ type: 'text', text: 'Error: tool call aborted' }], + content: [{ type: 'text', text: 'Error: tool call aborted before dispatch' }], isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, }) expect(dispatched).toBe(0) }) - it('materializes ABORTED when an async pre-execute gate throws after cancellation', async () => { + it('preserves a pre-execute denial that settles after cancellation', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'denied-after-cancel', + async execute() { dispatched += 1; return [] }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/pre-execute', async () => { + entered.resolve(undefined) + await release.promise + return { kind: 'deny', reason: 'policy denied the call' } + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('denied-after-cancel'), name: 'denied-after-cancel', arguments: {}, signal: controller.signal, + }) + + await entered.promise + controller.abort('cancelled while policy decided') + release.resolve(undefined) + + await expect(pending).resolves.toEqual({ + content: [{ type: 'text', text: 'Error: policy denied the call' }], + isError: true, + }) + expect(dispatched).toBe(0) + }) + + it('preserves an async pre-execute failure that settles after cancellation', async () => { const ctx = await setup() let dispatched = 0 ctx.tools.register({ @@ -555,9 +626,9 @@ describe('ToolRegistry', () => { controller.abort('cancelled in policy') release.resolve(undefined) - await expect(pending).resolves.toMatchObject({ + await expect(pending).resolves.toEqual({ + content: [{ type: 'text', text: 'Error: gate interrupted' }], isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, }) expect(dispatched).toBe(0) }) @@ -581,8 +652,7 @@ describe('ToolRegistry', () => { await release.promise return await next() } finally { - if (upstream === undefined) delete exec.signal - else exec.signal = upstream + exec.signal = upstream } }) @@ -596,7 +666,7 @@ describe('ToolRegistry', () => { await expect(pending).resolves.toMatchObject({ isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, }) expect(dispatched).toBe(0) }) @@ -616,8 +686,7 @@ describe('ToolRegistry', () => { try { return await next() } finally { - if (upstream === undefined) delete exec.signal - else exec.signal = upstream + exec.signal = upstream } }) @@ -626,7 +695,50 @@ describe('ToolRegistry', () => { callId: CallId('cancelled-wrapper'), name: 'must-not-run', arguments: {}, signal: controller.signal, }) - expect(result.error).toEqual({ name: 'AbortError', code: 'ABORTED' }) + expect(result.error).toEqual({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) + expect(dispatched).toBe(0) + }) + + it('uses ABORTED_BEFORE_DISPATCH when cancellation overtakes a wrapper short-circuit', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'short-circuited', + async execute() { dispatched += 1; return [] }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/execute', async () => { + entered.resolve(undefined) + await release.promise + return { + content: [{ type: 'text', text: 'wrapper success' }], + isError: false, + additionalContexts: [{ + content: [{ type: 'text', text: 'wrapper context' }], + source: { kind: 'plugin', plugin: 'wrapper' }, + }], + } + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('cancelled-short-circuit'), + name: 'short-circuited', + arguments: {}, + signal: controller.signal, + }) + + await entered.promise + controller.abort('cancelled while wrapper waited') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + content: [{ type: 'text', text: 'Error: tool call aborted before dispatch' }], + isError: true, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, + additionalContexts: [{ source: { kind: 'plugin', plugin: 'wrapper' } }], + }) expect(dispatched).toBe(0) }) @@ -662,7 +774,7 @@ describe('ToolRegistry', () => { await expect(pending).resolves.toMatchObject({ content: [{ type: 'text', text: 'Error: tool call aborted' }], isError: true, - error: { name: 'AbortError', code: 'ABORTED' }, + error: { name: 'AbortError', code: TOOL_ABORTED }, additionalContexts: [{ source: { kind: 'plugin', plugin: 'child' } }], }) }) @@ -713,6 +825,94 @@ describe('ToolRegistry', () => { }) }) + it('preserves an around-dispatch failure that settles after cancellation', async () => { + const ctx = await setup() + let dispatched = 0 + ctx.tools.register({ + ...echoTool, + name: 'wrapper-failure', + async execute() { dispatched += 1; return [] }, + }) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/execute', async () => { + entered.resolve(undefined) + await release.promise + throw new HarnessError('wrapper failed', 'WRAPPER_FAILURE') + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('wrapper-failure'), name: 'wrapper-failure', arguments: {}, signal: controller.signal, + }) + + await entered.promise + controller.abort('cancelled while wrapper failed') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + content: [{ type: 'text', text: 'Error: wrapper failed' }], + isError: true, + error: { name: 'HarnessError', code: 'WRAPPER_FAILURE' }, + }) + expect(dispatched).toBe(0) + }) + + it('preserves a tool-owned failure after the body observes cancellation', async () => { + const ctx = await setup() + const entered = Promise.withResolvers() + ctx.tools.register({ + ...echoTool, + name: 'tool-failure', + execute(_args, exec) { + entered.resolve(undefined) + return new Promise((_resolve, reject) => { + exec.signal.addEventListener('abort', () => { + reject(new HarnessError('tool failed', 'TOOL_FAILURE')) + }, { once: true }) + }) + }, + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('tool-failure'), name: 'tool-failure', arguments: {}, signal: controller.signal, + }) + + await entered.promise + controller.abort('cancelled running body') + + await expect(pending).resolves.toMatchObject({ + content: [{ type: 'text', text: 'Error: tool failed' }], + isError: true, + error: { name: 'HarnessError', code: 'TOOL_FAILURE' }, + }) + }) + + it('preserves a post-policy failure that settles after cancellation', async () => { + const ctx = await setup() + ctx.tools.register(echoTool) + const entered = Promise.withResolvers() + const release = Promise.withResolvers() + ctx.on('tools/post-execute', async () => { + entered.resolve(undefined) + await release.promise + throw new HarnessError('post-policy failed', 'POST_FAILURE') + }) + const controller = new AbortController() + const pending = ctx.tools.execute({ + callId: CallId('post-failure'), name: 'echo', arguments: {}, signal: controller.signal, + }) + + await entered.promise + controller.abort('cancelled while post-policy failed') + release.resolve(undefined) + + await expect(pending).resolves.toMatchObject({ + content: [{ type: 'text', text: 'Error: post-policy failed' }], + isError: true, + error: { name: 'HarnessError', code: 'POST_FAILURE' }, + }) + }) + it('fuses caller cancellation back into a wrapper replacement for the running body', async () => { const ctx = await setup() const entered = Promise.withResolvers() @@ -724,9 +924,9 @@ describe('ToolRegistry', () => { execute(_args, exec) { bodySignal = exec.signal entered.resolve(undefined) - if (exec.signal?.aborted) return Promise.resolve([]) + if (exec.signal.aborted) return Promise.resolve([]) return new Promise((resolve) => { - exec.signal?.addEventListener('abort', () => { resolve([]) }, { once: true }) + exec.signal.addEventListener('abort', () => { resolve([]) }, { once: true }) }) }, }) @@ -736,8 +936,7 @@ describe('ToolRegistry', () => { try { return await next() } finally { - if (upstream === undefined) delete exec.signal - else exec.signal = upstream + exec.signal = upstream } }) @@ -758,30 +957,29 @@ describe('ToolRegistry', () => { expect(replacement.signal.aborted).toBe(false) }) - it('restores a removed caller signal for dispatch', async () => { + it('restores the required caller signal after around dispatch', async () => { const ctx = await setup() - let bodySignal: AbortSignal | undefined - ctx.tools.register({ - ...echoTool, - name: 'signal-probe', - async execute(_args, exec) { bodySignal = exec.signal; return [] }, - }) + let postSignal: AbortSignal | undefined ctx.on('tools/execute', async (exec, next) => { const upstream = exec.signal - delete exec.signal + exec.signal = new AbortController().signal try { return await next() } finally { - if (upstream !== undefined) exec.signal = upstream + exec.signal = upstream } }) + ctx.on('tools/post-execute', async (exec, _result, next) => { + postSignal = exec.signal + return next() + }) const controller = new AbortController() await ctx.tools.execute({ - callId: CallId('restored-signal'), name: 'signal-probe', arguments: {}, signal: controller.signal, + callId: CallId('restored-signal'), name: 'echo', arguments: {}, signal: controller.signal, }) - expect(bodySignal).toBe(controller.signal) + expect(postSignal).toBe(controller.signal) }) it('waits for an uncooperative started body before returning ABORTED', async () => { @@ -820,25 +1018,75 @@ describe('ToolRegistry', () => { }) }) - it('lets an already-aborted entry signal reach the body for domain-specific cleanup', async () => { + it('materializes a pre-aborted call and publishes one result without entering pipeline phases', async () => { const ctx = await setup() - let dispatched = 0 + const phases = { pre: 0, around: 0, body: 0, post: 0, result: 0 } + const callerArguments = { nested: { value: 1 } } + const callerSignal = AbortSignal.abort('already cancelled') + let argumentReads = 0 + let observedArguments: unknown + let observedExecution: object | undefined + let observedToken: symbol | undefined + let observedSignal: AbortSignal | undefined + let observedResult: ToolExecutionResult | undefined ctx.tools.register({ ...echoTool, name: 'domain-abort', - async execute(_args, exec) { - dispatched += 1 - expect(exec.signal?.aborted).toBe(true) - throw new HarnessError('domain cleanup completed', 'DOMAIN_ABORTED') - }, + async execute() { phases.body += 1; return [] }, + }) + ctx.on('tools/pre-execute', async (_exec, next) => { phases.pre += 1; return next() }) + ctx.on('tools/execute', async (_exec, next) => { phases.around += 1; return next() }) + ctx.on('tools/post-execute', async (_exec, _result, next) => { phases.post += 1; return next() }) + ctx.on('tools/result', (exec, result) => { + phases.result += 1 + observedExecution = exec + observedArguments = exec.arguments + observedToken = exec.token + observedSignal = exec.signal + observedResult = result }) const result = await ctx.tools.execute({ - callId: CallId('pre-aborted'), name: 'domain-abort', arguments: {}, signal: AbortSignal.abort(), + callId: CallId('pre-aborted'), + name: 'domain-abort', + get arguments() { argumentReads += 1; return callerArguments }, + signal: callerSignal, }) - expect(dispatched).toBe(1) - expect(result.error).toEqual({ name: 'HarnessError', code: 'DOMAIN_ABORTED' }) + expect(argumentReads).toBe(1) + expect(phases).toEqual({ pre: 0, around: 0, body: 0, post: 0, result: 1 }) + expect(result).toEqual({ + content: [{ type: 'text', text: 'Error: tool call aborted before dispatch' }], + isError: true, + error: { name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }, + }) + expect(observedResult).toBe(result) + expect(Object.isFrozen(observedExecution)).toBe(true) + expect(typeof observedToken).toBe('symbol') + expect(observedSignal).toBe(callerSignal) + expect(Object.isFrozen(result)).toBe(true) + expect(observedArguments).not.toBe(callerArguments) + expect(Object.isFrozen(observedArguments)).toBe(true) + expect(Object.isFrozen((observedArguments as { nested: object }).nested)).toBe(true) + }) + + it('lets argument materialization failure win over a pre-aborted signal', async () => { + const ctx = await setup() + let observed = 0 + ctx.on('tools/result', () => { observed += 1 }) + + const result = await ctx.tools.execute({ + callId: CallId('invalid-pre-aborted'), + name: 'missing', + arguments: { invalid: () => undefined }, + signal: AbortSignal.abort('already cancelled'), + }) + + expect(result).toEqual({ + content: [{ type: 'text', text: 'Error: tool execution arguments must be losslessly JSON-serializable' }], + isError: true, + }) + expect(observed).toBe(1) }) it('a pre-execute deny short-circuits before tools/execute (the seam never runs)', async () => { @@ -847,12 +1095,12 @@ describe('ToolRegistry', () => { let entered = false ctx.on('tools/pre-execute', async (_exec, _next): Promise => ({ kind: 'deny', reason: 'nope' })) - ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise): Promise => { + ctx.on('tools/execute', async (_exec: ToolDispatchExecution, next: () => Promise): Promise => { entered = true return next() }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: nope' }) expect(entered).toBe(false) // a denied call never enters the around-dispatch seam @@ -867,7 +1115,7 @@ describe('ToolRegistry', () => { }) let seen: { isError: boolean; error?: unknown } | undefined - ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise): Promise => { + ctx.on('tools/execute', async (_exec: ToolDispatchExecution, next: () => Promise): Promise => { const result = await next() // The base next() IS dispatch-with-normalization: the wrapper sees the // normalized isError result, never a raw throw from the tool body. @@ -875,7 +1123,7 @@ describe('ToolRegistry', () => { return result }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'boom', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'boom', arguments: {} }) expect(seen).toEqual({ isError: true, error: { name: 'HarnessError', code: 'BOOM' } }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: kaboom' }) @@ -890,13 +1138,13 @@ describe('ToolRegistry', () => { }) let postSaw: boolean | undefined - ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise): Promise => next()) + ctx.on('tools/execute', async (_exec: ToolDispatchExecution, next: () => Promise): Promise => next()) ctx.on('tools/post-execute', async (_exec, result, next) => { postSaw = result.isError return next() }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'boom', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'boom', arguments: {} }) expect(postSaw).toBe(true) // the normalized isError still flows through post-execute expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: exploded' }) @@ -916,7 +1164,7 @@ describe('ToolRegistry', () => { const upstream = new AbortController().signal const replacement = new AbortController().signal - ctx.on('tools/execute', async (exec: ToolExecution, next: () => Promise): Promise => { + ctx.on('tools/execute', async (exec: ToolDispatchExecution, next: () => Promise): Promise => { expect(exec.signal).toBe(upstream) // Cordis next() ignores passed arguments, so a wrapper mutates exec in // place (the documented "mutate the shared object, then delegate" idiom). @@ -939,10 +1187,10 @@ describe('ToolRegistry', () => { async execute() { dispatched = true; return [] }, }) - ctx.on('tools/execute', async (_exec: ToolExecution, _next: () => Promise): Promise => + ctx.on('tools/execute', async (_exec: ToolDispatchExecution, _next: () => Promise): Promise => ({ content: [{ type: 'text', text: 'short-circuited' }], isError: false })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'never-runs', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'never-runs', arguments: {} }) expect(dispatched).toBe(false) // returning without next() skips core dispatch expect(result.content[0]).toMatchObject({ text: 'short-circuited' }) }) @@ -960,6 +1208,7 @@ describe('ToolRegistry', () => { })) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('around-context'), name: 'echo', arguments: {}, }) expect(result.additionalContexts).toEqual([{ @@ -973,7 +1222,7 @@ describe('ToolRegistry', () => { ctx.tools.register(echoTool) ctx.on('tools/execute', async () => { throw new Error('wrapper broke') }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result).toEqual({ content: [{ type: 'text', text: 'Error: wrapper broke' }], isError: true, @@ -987,7 +1236,7 @@ describe('ToolRegistry', () => { throw new Error('permission hook broke') }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result).toEqual({ content: [{ type: 'text', text: 'Error: permission hook broke' }], @@ -1002,7 +1251,7 @@ describe('ToolRegistry', () => { throw new Error('post hook broke') }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result).toEqual({ content: [{ type: 'text', text: 'Error: post hook broke' }], @@ -1017,7 +1266,7 @@ describe('ToolRegistry', () => { throw new HarnessError('denied', 'DENIED') }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) expect(result).toMatchObject({ isError: true, @@ -1204,6 +1453,7 @@ describe('defineTool / schema DSL', () => { }]) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('c1'), name: 'typed-echo', arguments: { text: 'hello', uppercase: true }, @@ -1258,6 +1508,7 @@ describe('defineTool / schema DSL', () => { // Execution round-trip const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('c1'), name: 'roundtrip', arguments: { req: 'hello' }, @@ -1290,6 +1541,7 @@ describe('defineTool / schema DSL', () => { }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('c1'), name: 'raw-tool', arguments: { path: '/tmp' }, @@ -1463,7 +1715,7 @@ describe('schema DSL optional and nested contracts', () => { throw { message: 'denied by object' } }, }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'object-thrower', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'object-thrower', arguments: {} }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: denied by object' }) }) @@ -1478,7 +1730,7 @@ describe('schema DSL optional and nested contracts', () => { throw 'kaboom' }, }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'string-thrower', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'string-thrower', arguments: {} }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: kaboom' }) }) @@ -1493,7 +1745,7 @@ describe('schema DSL optional and nested contracts', () => { throw { code: 500 } }, }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'object-no-message', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'object-no-message', arguments: {} }) expect(result.isError).toBe(true) const firstContent = result.content[0]! expect(firstContent.type).toBe('text') @@ -1630,7 +1882,7 @@ describe('defineTool validation (the runtime-validation RFC, part 1)', () => { }, })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'reader', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'reader', arguments: {} }) expect(result.isError).toBe(true) expect(result.content[0]).toMatchObject({ text: 'Error: invalid arguments: missing required property "path"', @@ -1647,7 +1899,7 @@ describe('defineTool validation (the runtime-validation RFC, part 1)', () => { return [{ type: 'text', text: `read ${args.path}` }] }, })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'reader', arguments: { path: '/x' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'reader', arguments: { path: '/x' } }) expect(result).toEqual({ content: [{ type: 'text', text: 'read /x' }], isError: false }) }) @@ -1670,7 +1922,7 @@ describe('defineTool validation (the runtime-validation RFC, part 1)', () => { return [{ type: 'text', text: args.path }] }, })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'reader', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'reader', arguments: {} }) expect(result.isError).toBe(true) expect(result.error).toEqual({ name: 'ToolArgsError', code: 'INVALID_ARGS' }) }) @@ -1685,7 +1937,7 @@ describe('defineTool validation (the runtime-validation RFC, part 1)', () => { throw new HarnessError('disk full', 'ENOSPC') }, }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'coded', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'coded', arguments: {} }) expect(result.isError).toBe(true) expect(result.error).toEqual({ name: 'HarnessError', code: 'ENOSPC' }) expect(result.content[0]).toMatchObject({ text: 'Error: disk full' }) @@ -1700,7 +1952,7 @@ describe('defineTool validation (the runtime-validation RFC, part 1)', () => { throw new Error('just a message') }, }) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'plain', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'plain', arguments: {} }) expect(result.isError).toBe(true) expect(result.error).toBeUndefined() expect(result.content[0]).toMatchObject({ text: 'Error: just a message' }) @@ -1719,7 +1971,7 @@ describe('defineTool validation (the runtime-validation RFC, part 1)', () => { }) // Missing the "required" path — but raw tools validate their own input, so // this reaches execute rather than being rejected by the harness. - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'raw', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'raw', arguments: {} }) expect(result.isError).toBe(false) }) diff --git a/packages/examples/agent-spine-demo/tests/agent-core.spec.ts b/packages/examples/agent-spine-demo/tests/agent-core.spec.ts index bc12706e93..22104211d4 100644 --- a/packages/examples/agent-spine-demo/tests/agent-core.spec.ts +++ b/packages/examples/agent-spine-demo/tests/agent-core.spec.ts @@ -13,6 +13,8 @@ import { MockAdapter, textResponse } from '../../../core/agent-loop/tests/mock-a import { CallId, type Message } from '@deepseek-ai/dsh-llm' import type { ToolExecution } from '@deepseek-ai/dsh-tools' +const testToolSignal = new AbortController().signal + declare module '@deepseek-ai/dsh-tasks' { interface TaskKindMap { probe: 'probe' @@ -264,6 +266,7 @@ describe('dsh-agent-spine-demo bundle', () => { expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['shared-skill']) const execution: ToolExecution = { + signal: testToolSignal, token: Symbol('agent-core-dsh-home-test') as ToolExecution['token'], callId: CallId('agent-core-dsh-home'), name: 'bash', @@ -335,11 +338,12 @@ describe('dsh-agent-spine-demo bundle', () => { }) const wait = vi.spyOn(ctx.tasks, 'wait') await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('task-config-forwarding'), name: 'task_output', arguments: { task_id: id, wait: true }, }) - expect(wait).toHaveBeenCalledWith(id, 7, undefined, undefined) + expect(wait).toHaveBeenCalledWith(id, 7, undefined, testToolSignal) await ctx.fiber.dispose() }) diff --git a/packages/examples/cli-demo/tests/cli-demo.spec.ts b/packages/examples/cli-demo/tests/cli-demo.spec.ts index 2111ff6aa8..8a8bdfa7c6 100644 --- a/packages/examples/cli-demo/tests/cli-demo.spec.ts +++ b/packages/examples/cli-demo/tests/cli-demo.spec.ts @@ -10,6 +10,8 @@ import type { ToolExecution } from '@deepseek-ai/dsh-tools' import { afterEach, describe, expect, it, vi } from 'vitest' import * as cliDemo from '../src/index.ts' +const testToolSignal = new AbortController().signal + const contexts: Context[] = [] async function skillConfig(catalogDescriptionMaxLength?: number): Promise> { @@ -122,6 +124,7 @@ describe('dsh-cli-demo app composition', () => { expect(ctx.get('agentLoop')?.config.maxParallelToolCalls).toBe(3) const execution: ToolExecution = { + signal: testToolSignal, token: Symbol('cli-demo-dsh-home-test') as ToolExecution['token'], callId: CallId('cli-demo-dsh-home'), name: 'bash', @@ -139,11 +142,12 @@ describe('dsh-cli-demo app composition', () => { }) const wait = vi.spyOn(ctx.tasks, 'wait') await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('cli-demo-task-config'), name: 'task_output', arguments: { task_id: id, wait: true }, }) - expect(wait).toHaveBeenCalledWith(id, 7, undefined, undefined) + expect(wait).toHaveBeenCalledWith(id, 7, undefined, testToolSignal) }) it('accepts false to keep task services without model-facing task controls', async () => { diff --git a/packages/fs/tool-fs-search/src/search-core.ts b/packages/fs/tool-fs-search/src/search-core.ts index 0682c86e35..0eff077fea 100644 --- a/packages/fs/tool-fs-search/src/search-core.ts +++ b/packages/fs/tool-fs-search/src/search-core.ts @@ -162,7 +162,7 @@ export async function runRipgrep( command, stdoutMaxBytes: rawOutputMaxBytes, ...cwd !== undefined ? { workdir: cwd } : {}, - ...exec.signal ? { signal: exec.signal } : {}, + signal: exec.signal, }) let result: BashRunResult try { diff --git a/packages/fs/tool-fs-search/tests/integration.spec.ts b/packages/fs/tool-fs-search/tests/integration.spec.ts index 36fb2c28e6..7c2ab16705 100644 --- a/packages/fs/tool-fs-search/tests/integration.spec.ts +++ b/packages/fs/tool-fs-search/tests/integration.spec.ts @@ -16,10 +16,12 @@ import { join } from 'node:path' 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 ToolRegistry, { TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' import * as ToolFsSearch from '@deepseek-ai/dsh-tool-fs-search' +const testToolSignal = new AbortController().signal + const hasRg = spawnSync('rg', ['--version'], { encoding: 'utf8' }).status === 0 let dir: string @@ -28,6 +30,7 @@ let ctx: Context let callCounter = 0 function call(name: string, args: unknown, agentObj?: object) { return ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`it-${++callCounter}`), name, arguments: args, @@ -165,8 +168,8 @@ describe.skipIf(!hasRg)('search tools over the real bash executor + real rg', () }) }) - describe('bash-start infrastructure failures stay in the SEARCH_* taxonomy', () => { - it('a pre-aborted exec.signal (real executor rejects before spawn) is SEARCH_ABORTED', async () => { + describe('pre-dispatch cancellation and bash-start failures', () => { + it('a pre-aborted registry call is ABORTED_BEFORE_DISPATCH', async () => { const controller = new AbortController() controller.abort() const result = await ctx.tools.execute({ @@ -176,7 +179,7 @@ describe.skipIf(!hasRg)('search tools over the real bash executor + real rg', () signal: controller.signal, }) expect(result.isError).toBe(true) - expect(result.error).toMatchObject({ name: 'SearchError', code: 'SEARCH_ABORTED' }) + expect(result.error).toMatchObject({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) }) it('an unusable session cwd (spawn failure) is SEARCH_FAILED', async () => { diff --git a/packages/fs/tool-fs-search/tests/tools.spec.ts b/packages/fs/tool-fs-search/tests/tools.spec.ts index 5363344f07..0d446fd931 100644 --- a/packages/fs/tool-fs-search/tests/tools.spec.ts +++ b/packages/fs/tool-fs-search/tests/tools.spec.ts @@ -14,7 +14,7 @@ import { describe, expect, it } from 'vitest' import { Context } from 'cordis' import { CallId } from '@deepseek-ai/dsh-llm' import SystemPrompt, { renderPrompt } from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry from '@deepseek-ai/dsh-tools' +import ToolRegistry, { TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import { BashExecutor } from '@deepseek-ai/dsh-bash' import type { BashExecRequest, BashExecSpec, BashProcess, BashRunResult } from '@deepseek-ai/dsh-bash' import { SpillLocator, SpillStore } from '@deepseek-ai/dsh-spill' @@ -31,6 +31,8 @@ import { toWorkdirRelative, } from '@deepseek-ai/dsh-tool-fs-search' +const testToolSignal = new AbortController().signal + /** A successful run result over the given stdout; overrides script the failure shapes. */ function runResult(stdout: string, overrides?: Partial): BashRunResult { return { @@ -55,6 +57,7 @@ class FakeBash extends BashExecutor { requests: BashExecRequest[] = [] specs: BashExecSpec[] = [] startCalls = 0 + forwardSignal = true handler: (spec: BashExecSpec) => BashRunResult = () => runResult('') override resolve(request: BashExecRequest): BashExecSpec { @@ -64,7 +67,7 @@ class FakeBash extends BashExecutor { workdir: request.workdir ?? '/work', timeoutMs: request.timeoutMs ?? 60_000, stdoutMaxBytes: request.stdoutMaxBytes ?? 64_000, - signal: request.signal, + ...this.forwardSignal ? { signal: request.signal } : {}, sandboxMode: request.sandboxMode, } } @@ -117,6 +120,7 @@ const agent = (cwd?: string) => ({ session: { header: { id: 'session-1', ...cwd let callCounter = 0 function call(ctx: Context, name: string, args: unknown, options: { agent?: object; signal?: AbortSignal } = {}) { return ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name, arguments: args, @@ -248,16 +252,13 @@ describe('workdir derivation and signal forwarding', () => { expect(bash.requests[1]).not.toHaveProperty('workdir') }) - it('forwards exec.signal into the bash spec (the abort reaches the backend)', async () => { + it('forwards exec.signal into the bash spec', async () => { const { ctx, bash } = await setup() const controller = new AbortController() - controller.abort() - bash.handler = spec => runResult('', { aborted: spec.signal?.aborted === true }) + bash.handler = () => runResult('') const result = await call(ctx, 'grep', { pattern: 'x' }, { signal: controller.signal }) expect(bash.specs[0]?.signal).toBe(controller.signal) - expect(result.isError).toBe(true) - expect(result.error).toMatchObject({ name: 'SearchError', code: 'SEARCH_ABORTED' }) - expect(text(result)).toContain('aborted') + expect(result.isError).toBe(false) }) it('reports the bash executor timeout as SEARCH_ABORTED with the budget', async () => { @@ -269,20 +270,46 @@ describe('workdir derivation and signal forwarding', () => { expect(text(result)).toContain('timed out after 1234ms') }) - it('translates a run() rejection under a pre-aborted signal into SEARCH_ABORTED', async () => { - // The seam contract: run() REJECTS for a pre-aborted signal (it never - // spawns). The plain rejection must not escape the SEARCH_* taxonomy. + it('skips a pre-aborted registry call before run()', async () => { const { ctx, bash } = await setup() const controller = new AbortController() controller.abort() bash.handler = () => { throw new Error('aborted before spawn') } const result = await call(ctx, 'grep', { pattern: 'x' }, { signal: controller.signal }) + expect(result.isError).toBe(true) + expect(result.error).toMatchObject({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) + expect(bash.specs).toHaveLength(0) + }) + + it('translates a run() rejection after the forwarded signal aborts', async () => { + const { ctx, bash } = await setup() + const controller = new AbortController() + bash.handler = () => { + controller.abort('cancel search') + throw new Error('executor stopped on abort') + } + + const result = await call(ctx, 'grep', { pattern: 'x' }, { signal: controller.signal }) + expect(result.isError).toBe(true) expect(result.error).toMatchObject({ name: 'SearchError', code: 'SEARCH_ABORTED' }) + expect(text(result)).toContain('aborted before completion') + }) + + it('translates an aborted executor result after dispatch starts', async () => { + const { ctx, bash } = await setup() + bash.handler = () => runResult('', { aborted: true, exitCode: null }) + + const result = await call(ctx, 'glob', { pattern: '*' }) + + expect(result.isError).toBe(true) + expect(result.error).toMatchObject({ name: 'SearchError', code: 'SEARCH_ABORTED' }) + expect(text(result)).toContain('aborted before completion') }) it('translates a run() rejection without an abort (unusable workdir) into SEARCH_FAILED', async () => { const { ctx, bash } = await setup() + bash.forwardSignal = false bash.handler = () => { throw new Error('spawn bash ENOENT') } const result = await call(ctx, 'glob', { pattern: '*' }) expect(result.isError).toBe(true) diff --git a/packages/fs/tool-fs/src/session-cwd.ts b/packages/fs/tool-fs/src/session-cwd.ts index 4f98a41a94..65a22bbc06 100644 --- a/packages/fs/tool-fs/src/session-cwd.ts +++ b/packages/fs/tool-fs/src/session-cwd.ts @@ -28,6 +28,6 @@ export function sessionResolveOptions(exec: ToolExecution): { cwd?: string; sign const cwd = sessionCwd(exec) return { ...cwd !== undefined ? { cwd } : {}, - ...exec.signal !== undefined ? { signal: exec.signal } : {}, + signal: exec.signal, } } diff --git a/packages/fs/tool-fs/tests/integration.spec.ts b/packages/fs/tool-fs/tests/integration.spec.ts index 6a9e6f3568..a0dbc11294 100644 --- a/packages/fs/tool-fs/tests/integration.spec.ts +++ b/packages/fs/tool-fs/tests/integration.spec.ts @@ -12,11 +12,13 @@ import { join } from 'node:path' 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 ToolRegistry, { TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import { LocalFileSystem } from '@deepseek-ai/dsh-fs-local' import * as FsPolicy from '@deepseek-ai/dsh-fs-policy' import * as ToolFs from '@deepseek-ai/dsh-tool-fs' +const testToolSignal = new AbortController().signal + let dir: string let ctx: Context let fiber: Awaited> @@ -26,6 +28,7 @@ const session = { header: {} } let callCounter = 0 function call(name: string, args: unknown) { return ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name, arguments: args, @@ -299,6 +302,7 @@ describe('per-session cwd', () => { const callIn = (sessionObj: object, name: string, args: unknown) => ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name, arguments: args, @@ -344,26 +348,25 @@ describe('signal, concurrency, and the fs/observed contract', () => { const callSig = (signal: AbortSignal, name: string, args: unknown) => ctx.tools.execute({ callId: CallId(`c-${++callCounter}`), name, arguments: args, agent: { session } as never, signal }) const callOwned = (name: string, args: unknown) => - ctx.tools.execute({ callId: CallId(`c-${++callCounter}`), name, arguments: args, agent: { session } as never }) + ctx.tools.execute({ signal: testToolSignal, callId: CallId(`c-${++callCounter}`), name, arguments: args, agent: { session } as never }) - it('a pre-aborted signal makes read/write/edit return isError FS_ABORTED', async () => { + it('a pre-aborted registry call skips read/write/edit with ABORTED_BEFORE_DISPATCH', async () => { await writeFile(join(dir, 'a.txt'), 'hello') const read = await callSig(AbortSignal.abort(), 'read', { file_path: 'a.txt' }) expect(read.isError).toBe(true) - expect(read.error).toMatchObject({ code: 'FS_ABORTED' }) + expect(read.error).toMatchObject({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) const write = await callSig(AbortSignal.abort(), 'write', { file_path: 'new.txt', content: 'x' }) expect(write.isError).toBe(true) - expect(write.error).toMatchObject({ code: 'FS_ABORTED' }) + expect(write.error).toMatchObject({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) await expect(readFile(join(dir, 'new.txt'), 'utf8')).rejects.toMatchObject({ code: 'ENOENT' }) // Read first (un-aborted, SAME session owner) so the edit clears the - // observation gate; then the aborted edit fails on the signal, not on - // FS_NOT_OBSERVED. + // observation gate; then the registry skips the aborted edit before its body. expect((await callOwned('read', { file_path: 'a.txt' })).isError).toBe(false) const edit = await callSig(AbortSignal.abort(), 'edit', { file_path: 'a.txt', old_string: 'hello', new_string: 'bye' }) expect(edit.isError).toBe(true) - expect(edit.error).toMatchObject({ code: 'FS_ABORTED' }) + expect(edit.error).toMatchObject({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) expect(await readFile(join(dir, 'a.txt'), 'utf8')).toBe('hello') // unchanged }) diff --git a/packages/fs/tool-fs/tests/tools.spec.ts b/packages/fs/tool-fs/tests/tools.spec.ts index f08db928af..f0c9d0d01b 100644 --- a/packages/fs/tool-fs/tests/tools.spec.ts +++ b/packages/fs/tool-fs/tests/tools.spec.ts @@ -25,6 +25,8 @@ import { STREAM_MIN_SIZE } from '../src/read.ts' import { formatReadOutput } from '../src/read-render.ts' import type { FileReadOutcome } from '../src/read-render.ts' +const testToolSignal = new AbortController().signal + /** An in-memory fake provider; a test can arm a rejection on any primitive. */ class FakeFs extends FileSystem { files = new Map() @@ -91,6 +93,7 @@ async function setup() { let callCounter = 0 function call(ctx: Context, name: string, args: unknown, agent?: object) { return ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name, arguments: args, @@ -110,11 +113,11 @@ describe('registration', () => { it('declares read parallel-safe while write/edit remain exclusive', async () => { const { ctx } = await setup() - expect(ctx.tools.executionMode({ callId: CallId('read-safe'), name: 'read', arguments: { file_path: 'a.txt' } })) + expect(ctx.tools.executionMode({ signal: testToolSignal, callId: CallId('read-safe'), name: 'read', arguments: { file_path: 'a.txt' } })) .toEqual({ kind: 'parallel' }) - expect(ctx.tools.executionMode({ callId: CallId('write-exclusive'), name: 'write', arguments: { file_path: 'a.txt', content: 'x' } })) + expect(ctx.tools.executionMode({ signal: testToolSignal, callId: CallId('write-exclusive'), name: 'write', arguments: { file_path: 'a.txt', content: 'x' } })) .toEqual({ kind: 'exclusive' }) - expect(ctx.tools.executionMode({ callId: CallId('edit-exclusive'), name: 'edit', arguments: { file_path: 'a.txt', old_string: 'x', new_string: 'y' } })) + expect(ctx.tools.executionMode({ signal: testToolSignal, callId: CallId('edit-exclusive'), name: 'edit', arguments: { file_path: 'a.txt', old_string: 'x', new_string: 'y' } })) .toEqual({ kind: 'exclusive' }) }) diff --git a/packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts b/packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts index 101c542d5a..b3c90021a5 100644 --- a/packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts +++ b/packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts @@ -10,6 +10,8 @@ import * as RepeatToolGuard from '@deepseek-ai/dsh-repeat-tool-guard' import type { Config } from '@deepseek-ai/dsh-repeat-tool-guard' import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +const testToolSignal = new AbortController().signal + /** * Behavior suite for the repeat-tool-call guard: chain semantics (identical / * different-tracked / untracked-transparent / per-agent / resets), threshold @@ -284,7 +286,7 @@ describe('chain semantics', () => { it('ignores direct executes with no agent (they neither crash nor advance any chain)', async () => { const ctx = await harness({ thresholds: [2] }) - const direct = await ctx.tools.execute({ callId: CallId('d1'), name: 'probe', arguments: { q: 1 } }) + const direct = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('d1'), name: 'probe', arguments: { q: 1 } }) expect(direct.isError).toBe(false) ctx.llm.registerAdapter(['mock'], new MockAdapter([ diff --git a/packages/hooks/hooks-claude/src/index.ts b/packages/hooks/hooks-claude/src/index.ts index 121e5cf75a..89ea9a6f31 100644 --- a/packages/hooks/hooks-claude/src/index.ts +++ b/packages/hooks/hooks-claude/src/index.ts @@ -231,7 +231,7 @@ export function apply(ctx: Context, config: Config): void { // --- PreToolUse → PreToolDecision. Matcher subject is the tool name. --- ctx.on('tools/pre-execute', async (exec, next): Promise => { const turn = lastTurn(exec.agent) - const merged = await runPoint('PreToolUse', exec.name, preToolPayload(ctx, exec), { ...exec.agent ? { agent: exec.agent } : {}, turn, ...exec.signal ? { signal: exec.signal } : {} }) + const merged = await runPoint('PreToolUse', exec.name, preToolPayload(ctx, exec), { ...exec.agent ? { agent: exec.agent } : {}, turn, signal: exec.signal }) if (merged.decision === 'deny') return { kind: 'deny', reason: merged.reason ?? 'blocked by PreToolUse hook' } if (merged.decision === 'ask') return { kind: 'ask', ...merged.reason !== undefined ? { reason: merged.reason } : {} } return next() @@ -240,7 +240,7 @@ export function apply(ctx: Context, config: Config): void { // --- PostToolUse → PostToolDecision. Matcher subject is the tool name. --- ctx.on('tools/post-execute', async (exec, result, next): Promise => { const turn = lastTurn(exec.agent) - const merged = await runPoint('PostToolUse', exec.name, postToolPayload(ctx, exec, result), { ...exec.agent ? { agent: exec.agent } : {}, turn, ...exec.signal ? { signal: exec.signal } : {} }) + const merged = await runPoint('PostToolUse', exec.name, postToolPayload(ctx, exec, result), { ...exec.agent ? { agent: exec.agent } : {}, turn, signal: exec.signal }) const context = contextFrom(merged) if (merged.decision === 'deny') { return { kind: 'block', feedback: [{ type: 'text', text: merged.reason ?? 'blocked by PostToolUse hook' }], ...context ? { additionalContexts: [context] } : {} } diff --git a/packages/hooks/hooks-claude/tests/coverage-cases.ts b/packages/hooks/hooks-claude/tests/coverage-cases.ts index ec7d18b4c4..2e2054541c 100644 --- a/packages/hooks/hooks-claude/tests/coverage-cases.ts +++ b/packages/hooks/hooks-claude/tests/coverage-cases.ts @@ -14,6 +14,8 @@ import { SubagentRunId } from '@deepseek-ai/dsh-subagent' import * as HooksClaude from '@deepseek-ai/dsh-hooks-claude' import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +const testToolSignal = new AbortController().signal + /** Targeted branch coverage for the CC bridge: option arms, warn paths, no-agent * fallbacks, contextFrom-empty, and the detached-listener catch handlers. */ @@ -145,7 +147,7 @@ export function defineCoverageCases(group: CoverageGroup): void { ctx.tools.register(defineTool({ name: 'echo', description: 'e', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'x' }] } })) // Call execute() directly with NO agent — the bridge's no-agent/no-turn path. const { CallId } = await import('@deepseek-ai/dsh-llm') - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'echo', arguments: {} }) expect(ran).toBe(false) expect(result.isError).toBe(true) }) diff --git a/packages/hooks/hooks-codex/src/index.ts b/packages/hooks/hooks-codex/src/index.ts index 8fa89a469d..2855b46c81 100644 --- a/packages/hooks/hooks-codex/src/index.ts +++ b/packages/hooks/hooks-codex/src/index.ts @@ -203,7 +203,7 @@ export function apply(ctx: Context, config: Config): void { // PreToolUse → PreToolDecision. Codex blocks only (no allow/ask honored). ctx.on('tools/pre-execute', async (exec, next): Promise => { const turn = lastTurn(exec.agent) - const merged = await runPoint('PreToolUse', exec.name, preToolPayload(ctx, exec, model), { ...exec.agent ? { agent: exec.agent } : {}, turn, ...exec.signal ? { signal: exec.signal } : {} }) + const merged = await runPoint('PreToolUse', exec.name, preToolPayload(ctx, exec, model), { ...exec.agent ? { agent: exec.agent } : {}, turn, signal: exec.signal }) /* jscpd:ignore-end */ if (merged.decision === 'deny') return { kind: 'deny', reason: merged.reason ?? 'blocked by PreToolUse hook' } return next() @@ -213,7 +213,7 @@ export function apply(ctx: Context, config: Config): void { ctx.on('tools/post-execute', async (exec, result, next): Promise => { const turn = lastTurn(exec.agent) /* jscpd:ignore-start */ - const merged = await runPoint('PostToolUse', exec.name, postToolPayload(ctx, exec, result, model), { ...exec.agent ? { agent: exec.agent } : {}, turn, ...exec.signal ? { signal: exec.signal } : {} }) + const merged = await runPoint('PostToolUse', exec.name, postToolPayload(ctx, exec, result, model), { ...exec.agent ? { agent: exec.agent } : {}, turn, signal: exec.signal }) const context = contextFrom(merged) if (merged.decision === 'deny') { return { kind: 'block', feedback: [{ type: 'text', text: merged.reason ?? 'blocked by PostToolUse hook' }], ...context ? { additionalContexts: [context] } : {} } diff --git a/packages/hooks/hooks-codex/tests/coverage-cases.ts b/packages/hooks/hooks-codex/tests/coverage-cases.ts index a7f2e1e0ac..b8be1fea19 100644 --- a/packages/hooks/hooks-codex/tests/coverage-cases.ts +++ b/packages/hooks/hooks-codex/tests/coverage-cases.ts @@ -13,6 +13,8 @@ import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' import * as HooksCodex from '@deepseek-ai/dsh-hooks-codex' import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +const testToolSignal = new AbortController().signal + const dirs: string[] = [] afterEach(() => { for (const d of dirs.splice(0)) rmSync(d, { recursive: true, force: true }) }) function dir(): string { const d = mkdtempSync(join(tmpdir(), 'dsh-hx-cov-')); dirs.push(d); return d } @@ -455,7 +457,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro let ran = false ctx.tools.register(defineTool({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { ran = true; return [{ type: 'text', text: 'x' }] } })) const { CallId } = await import('@deepseek-ai/dsh-llm') - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'Bash', arguments: { command: 'x' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'Bash', arguments: { command: 'x' } }) expect(ran).toBe(false) // denied expect(result.isError).toBe(true) }) @@ -466,7 +468,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro const ctx = await harness(join(d, 'hooks.json'), new MockAdapter([])) ctx.tools.register(defineTool({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } })) const { CallId } = await import('@deepseek-ai/dsh-llm') - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'Bash', arguments: { command: 'x' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'Bash', arguments: { command: 'x' } }) expect(result.isError).toBeFalsy() expect(result.additionalContexts?.[0]?.content.some(b => b.type === 'text' && b.text === 'x')).toBe(true) }) diff --git a/packages/mcp/mcp-client/src/tools.ts b/packages/mcp/mcp-client/src/tools.ts index ae01fc0f84..f41875815d 100644 --- a/packages/mcp/mcp-client/src/tools.ts +++ b/packages/mcp/mcp-client/src/tools.ts @@ -165,7 +165,7 @@ function createExecutor( { name: rawName, arguments: argsObj }, undefined, { - ...exec.signal ? { signal: exec.signal } : {}, + signal: exec.signal, timeout: opts.toolCallTimeoutMs, }, ) diff --git a/packages/mcp/mcp-client/tests/mcp-client.e2e.ts b/packages/mcp/mcp-client/tests/mcp-client.e2e.ts index dc783b3edf..803d4d81f9 100644 --- a/packages/mcp/mcp-client/tests/mcp-client.e2e.ts +++ b/packages/mcp/mcp-client/tests/mcp-client.e2e.ts @@ -26,6 +26,8 @@ import { apply } from '@deepseek-ai/dsh-mcp-client/src/index.ts' import { publicToolName } from '@deepseek-ai/dsh-mcp-client/src/tools.ts' import type { Config } from '@deepseek-ai/dsh-mcp-client' +const testToolSignal = new AbortController().signal + const fixtureServerPath = fileURLToPath(new URL('./fixture-server.ts', import.meta.url)) // Resolve package-local .bin for pnpm-hoisted MCP server binaries. @@ -119,6 +121,7 @@ describe('fixture server — controlled scenarios', () => { it('executes the dotted tool via its normalized public name', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: publicToolName('fixture', 'admin.reset'), arguments: {}, }) expect(result.isError).toBe(false) @@ -127,6 +130,7 @@ describe('fixture server — controlled scenarios', () => { it('executes add(2, 3) → "5"', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__fixture__add', arguments: { a: 2, b: 3 }, }) expect(result.isError).toBe(false) @@ -135,6 +139,7 @@ describe('fixture server — controlled scenarios', () => { it('executes greet("World") → "Hello, World!"', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__fixture__greet', arguments: { name: 'World' }, }) expect(result.isError).toBe(false) @@ -143,6 +148,7 @@ describe('fixture server — controlled scenarios', () => { it('executes fail() → isError result', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__fixture__fail', arguments: {}, }) expect(result.isError).toBe(true) @@ -151,6 +157,7 @@ describe('fixture server — controlled scenarios', () => { it('executes image() → image placeholder', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__fixture__image', arguments: {}, }) expect(result.isError).toBe(false) @@ -241,6 +248,7 @@ describe('server-everything — official test server', () => { it('executes echo({ message: "hello" }) → "Echo: hello"', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__everything__echo', arguments: { message: 'hello' }, }) expect(result.isError).toBe(false) @@ -249,6 +257,7 @@ describe('server-everything — official test server', () => { it('executes get-sum({ a: 3, b: 7 }) → contains "10"', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__everything__get-sum', arguments: { a: 3, b: 7 }, }) expect(result.isError).toBe(false) @@ -257,6 +266,7 @@ describe('server-everything — official test server', () => { it('executes get-tiny-image → image placeholder', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__everything__get-tiny-image', arguments: {}, }) expect(result.isError).toBe(false) @@ -306,6 +316,7 @@ describe('server-filesystem — real filesystem operations', () => { // Write via MCP tool const writeResult = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__filesystem__write_file', arguments: { path: filePath, content }, }) expect(writeResult.isError).toBe(false) @@ -316,6 +327,7 @@ describe('server-filesystem — real filesystem operations', () => { // Read back via MCP tool const readResult = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__filesystem__read_file', arguments: { path: filePath }, }) expect(readResult.isError).toBe(false) @@ -327,6 +339,7 @@ describe('server-filesystem — real filesystem operations', () => { await writeFile(join(tempDir, 'listed.txt'), 'listed') const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__filesystem__list_directory', arguments: { path: tempDir }, }) expect(result.isError).toBe(false) @@ -418,6 +431,7 @@ describe('streamable-http — in-process MCP server', () => { it('executes ping() → "pong" over HTTP', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__web__ping', arguments: {}, }) expect(result.isError).toBe(false) @@ -426,6 +440,7 @@ describe('streamable-http — in-process MCP server', () => { it('executes shout({ message }) with args over HTTP', async () => { const result = await ctx.tools.execute({ + signal: testToolSignal, callId: nextCallId(), name: 'mcp__web__shout', arguments: { message: 'quiet' }, }) expect(result.isError).toBe(false) diff --git a/packages/mcp/mcp-client/tests/mcp-client.spec.ts b/packages/mcp/mcp-client/tests/mcp-client.spec.ts index 8fff832434..557379808c 100644 --- a/packages/mcp/mcp-client/tests/mcp-client.spec.ts +++ b/packages/mcp/mcp-client/tests/mcp-client.spec.ts @@ -7,6 +7,8 @@ import { publicToolName, syncTools, type ToolBridgeOptions } from '@deepseek-ai/ import { createTransport } from '@deepseek-ai/dsh-mcp-client/src/transport.ts' import type { Config } from '@deepseek-ai/dsh-mcp-client' +const testToolSignal = new AbortController().signal + // ---- Mock MCP Client ---- interface MockTool { @@ -122,7 +124,7 @@ describe('syncTools', () => { expect(ctx.tools.get('search')).toBeDefined() expect(ctx.tools.get('mcp__srv__search')).toBeDefined() - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'search', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'search', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: 'native' }) }) @@ -217,7 +219,7 @@ describe('tool execution', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__echo', arguments: { msg: 'hi' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__echo', arguments: { msg: 'hi' } }) expect(result.isError).toBe(false) expect(result.content).toEqual([{ type: 'text', text: 'hello world' }]) @@ -237,7 +239,7 @@ describe('tool execution', () => { await syncTools(client as never, ctx, defaultOpts, new Map()) const publicName = publicToolName('srv', 'admin.reset') - const result = await ctx.tools.execute({ callId: CallId('c1'), name: publicName, arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: publicName, arguments: {} }) expect(result.isError).toBe(false) expect(client.callTool).toHaveBeenCalledWith( @@ -254,7 +256,7 @@ describe('tool execution', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__multi', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__multi', arguments: {} }) expect(result.content).toEqual([{ type: 'text', text: 'line1\nline2' }]) }) @@ -266,7 +268,7 @@ describe('tool execution', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__img', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__img', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: 'before\n[image: image/png, content discarded]' }) }) @@ -278,7 +280,7 @@ describe('tool execution', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__fail', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__fail', arguments: {} }) expect(result.isError).toBe(true) expect(result.content[0]).toEqual({ type: 'text', text: 'Error: something went wrong' }) @@ -308,7 +310,7 @@ describe('tool execution', () => { client.callTool.mockResolvedValue({ toolResult: { key: 'value' } }) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__legacy', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__legacy', arguments: {} }) expect(result.isError).toBe(false) expect(result.content[0]).toEqual({ type: 'text', text: '{"key":"value"}' }) @@ -329,7 +331,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__audio_tool', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__audio_tool', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '[audio: audio/mp3, content discarded]' }) }) @@ -341,7 +343,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__res_tool', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__res_tool', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '[resource: content discarded]' }) }) @@ -353,7 +355,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__link_tool', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__link_tool', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '[resource: content discarded]' }) }) @@ -365,7 +367,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__unknown_tool', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__unknown_tool', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '[unsupported content type: video]' }) }) @@ -377,7 +379,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__img2', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__img2', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '[image: unknown, content discarded]' }) }) @@ -389,7 +391,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__audio_no_mime', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__audio_no_mime', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '[audio: unknown, content discarded]' }) }) @@ -401,7 +403,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__notext', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__notext', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '(notext returned no text content)' }) }) @@ -413,7 +415,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__empty_tool', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__empty_tool', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '(empty_tool returned no text content)' }) }) @@ -426,7 +428,7 @@ describe('tool execution edge cases', () => { client.callTool.mockResolvedValue({}) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__legacy2', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__legacy2', arguments: {} }) expect(result.content[0]).toEqual({ type: 'text', text: '(no output)' }) }) @@ -438,7 +440,7 @@ describe('tool execution edge cases', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__err_notext', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__err_notext', arguments: {} }) expect(result.isError).toBe(true) expect(result.content[0]).toEqual({ type: 'text', text: 'Error: [image: image/png, content discarded]' }) @@ -575,7 +577,7 @@ describe('tool execution — non-object args fallback', () => { await syncTools(client as never, ctx, defaultOpts, new Map()) // Simulate model emitting `null` as tool arguments (malformed). - await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__coerce', arguments: null }) + await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__coerce', arguments: null }) expect(client.callTool).toHaveBeenCalledWith( { name: 'coerce', arguments: {} }, @@ -591,7 +593,7 @@ describe('tool execution — non-object args fallback', () => { ) await syncTools(client as never, ctx, defaultOpts, new Map()) - await ctx.tools.execute({ callId: CallId('c1'), name: 'mcp__srv__coerce2', arguments: 'bad' }) + await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'mcp__srv__coerce2', arguments: 'bad' }) expect(client.callTool).toHaveBeenCalledWith( { name: 'coerce2', arguments: {} }, diff --git a/packages/skill/tool-skill/tests/tool-skill.spec.ts b/packages/skill/tool-skill/tests/tool-skill.spec.ts index cab7f4aa02..90d891c20e 100644 --- a/packages/skill/tool-skill/tests/tool-skill.spec.ts +++ b/packages/skill/tool-skill/tests/tool-skill.spec.ts @@ -12,6 +12,8 @@ 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' +const testToolSignal = new AbortController().signal + async function tempDir(name: string): Promise { return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) } @@ -219,6 +221,7 @@ describe('dsh-tool-skill', () => { const ctx = await setup(home) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('c1'), name: 'skill', arguments: { name: 'project-skill' }, @@ -271,9 +274,9 @@ describe('dsh-tool-skill', () => { 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' } }) + const opaque = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c2'), name: 'skill', arguments: { name: 'opaque-skill' } }) + const url = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c3'), name: 'skill', arguments: { name: 'url-skill' } }) + const provider = await ctx.tools.execute({ signal: testToolSignal, 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') @@ -295,7 +298,7 @@ describe('dsh-tool-skill', () => { content: 'Rogue instructions.', }) - const result = await ctx.tools.execute({ callId: CallId('c5'), name: 'skill', arguments: { name: 'rogue-resource-skill' } }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c5'), name: 'skill', arguments: { name: 'rogue-resource-skill' } }) expect(result.isError).toBe(true) const block = result.content[0] @@ -309,9 +312,9 @@ describe('dsh-tool-skill', () => { 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' } }) + const unknown = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'skill', arguments: { name: 'missing' } }) + const invalid = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c2'), name: 'skill', arguments: { name: 'Bad_Name' } }) + const disabled = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c3'), name: 'skill', arguments: { name: 'hidden-skill' } }) expect(unknown.isError).toBe(true) expect(invalid.isError).toBe(true) diff --git a/packages/spill/spill-policy/tests/spill-policy.spec.ts b/packages/spill/spill-policy/tests/spill-policy.spec.ts index 2449f26a8c..b2e1852d20 100644 --- a/packages/spill/spill-policy/tests/spill-policy.spec.ts +++ b/packages/spill/spill-policy/tests/spill-policy.spec.ts @@ -21,6 +21,8 @@ import { SpillLocator, SpillStore } from '@deepseek-ai/dsh-spill' import type { SaveTextSpill, SpillRef } from '@deepseek-ai/dsh-spill' import * as SpillPolicy from '@deepseek-ai/dsh-spill-policy' +const testToolSignal = new AbortController().signal + /** A stub spill backend recording its saves; `fail` exercises the best-effort fallback. */ class StubStore extends SpillStore { saves: SaveTextSpill[] = [] @@ -51,7 +53,7 @@ function textTool(name: string, text: string) { function exec(name: string, session = 's1'): ToolExecution { // Only agent.session.header.id is read by the policy; a structural stub suffices. const agent = { session: { header: { id: SessionId(session) } } } - return { callId: CallId(`call-${name}`), name, arguments: {}, agent } as unknown as ToolExecution + return { callId: CallId(`call-${name}`), name, arguments: {}, agent, signal: testToolSignal } as unknown as ToolExecution } /** @@ -208,7 +210,7 @@ describe('best-effort fallback', () => { const { ctx, spill } = await setup({ maxInlineBytes: 10 }) const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => {}) ctx.tools.register(textTool('big', 'x'.repeat(1000))) - const result = await ctx.tools.execute({ callId: CallId('c'), name: 'big', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c'), name: 'big', arguments: {} }) expect(textOf(result.content)).toBe('x'.repeat(1000)) expect(spill?.saves).toHaveLength(0) expect(warn).toHaveBeenCalled() diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts index e50457bcb4..f8d584f4a1 100644 --- a/packages/subagent/subagent-inprocess/tests/structured.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts @@ -16,6 +16,8 @@ import { STRUCTURED_OUTPUT_TOOL, } from '../src/structured.ts' +const testToolSignal = new AbortController().signal + type Script = ConstructorParameters[0] interface CodeRunRequestLike { @@ -640,6 +642,7 @@ describe('in-process structured output', () => { it('a structured_output call from an agent WITHOUT a structured run is UNKNOWN_TOOL (the tool does not exist for it)', async () => { const { ctx, parent } = await setup([]) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: 'x' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 1 }, @@ -652,6 +655,7 @@ describe('in-process structured output', () => { it('a structured_output call with NO calling agent at all is UNKNOWN_TOOL', async () => { const { ctx } = await setup([]) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: 'x' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 1 }, @@ -684,6 +688,7 @@ describe('in-process structured output', () => { // …and a LATER invalid call (its own body staged nothing) must not // resurrect c1's discarded value: drive the pipeline directly. const invalid = await ctx.tools.execute({ + signal: testToolSignal, callId: 'c2' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 'not-a-number' }, @@ -692,6 +697,7 @@ describe('in-process structured output', () => { expect(invalid.isError).toBe(true) // A fresh valid call still captures ITS OWN value. const valid = await ctx.tools.execute({ + signal: testToolSignal, callId: 'c3' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 9 }, @@ -722,6 +728,7 @@ describe('in-process structured output', () => { // (invalid args throw before the stage): the discarded value must not ride // its acceptance. const reused = await ctx.tools.execute({ + signal: testToolSignal, callId: 'c1' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 'not-a-number' }, @@ -730,6 +737,7 @@ describe('in-process structured output', () => { expect(reused.isError).toBe(true) // Nothing was ever committed: a fresh valid call is still required. const valid = await ctx.tools.execute({ + signal: testToolSignal, callId: 'c1' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 5 }, @@ -764,6 +772,7 @@ describe('in-process structured output', () => { return undefined as never }, { prepend: true }) const denied = await ctx.tools.execute({ + signal: testToolSignal, callId: 'c1' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 2 }, @@ -774,6 +783,7 @@ describe('in-process structured output', () => { // The discarded value was never promoted: a fresh valid call is required // (and succeeds, proving the runtime is not wedged). const valid = await ctx.tools.execute({ + signal: testToolSignal, callId: 'c1' as never, name: STRUCTURED_OUTPUT_TOOL, arguments: { answer: 5 }, diff --git a/packages/subagent/tool-subagent/src/index.ts b/packages/subagent/tool-subagent/src/index.ts index f46f3dda2c..dd6aae754e 100644 --- a/packages/subagent/tool-subagent/src/index.ts +++ b/packages/subagent/tool-subagent/src/index.ts @@ -270,9 +270,6 @@ export function apply(ctx: Context, config: Config): void { if (tasks === undefined) { throw new Error('background tasks unavailable: load @deepseek-ai/dsh-tasks and @deepseek-ai/dsh-tool-tasks') } - // Reject cancellation before spawning; after return, the task-owned - // signal covers both pending startup and the ready child. - if (exec.signal?.aborted) throw new Error('subagent delegation aborted') // Task preflight finishes before the starter can spawn a child. const id = tasks.start({ kind: 'subagent', @@ -300,7 +297,7 @@ export function apply(ctx: Context, config: Config): void { config, args.prompt, parent, - exec.signal ?? new AbortController().signal, + exec.signal, ) const run: SubagentRun = await ctx.subagents.start(config.provider, request) diff --git a/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts b/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts index d88367ced5..d337a4a22e 100644 --- a/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts +++ b/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts @@ -3,7 +3,7 @@ import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import { CallId } from '@deepseek-ai/dsh-llm' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry from '@deepseek-ai/dsh-tools' +import ToolRegistry, { TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import { type Agent } from '@deepseek-ai/dsh-agent' import AgentRegistry from '@deepseek-ai/dsh-agent' import SubagentService from '@deepseek-ai/dsh-subagent' @@ -14,6 +14,8 @@ import * as tool from '../src/index.ts' import { runOutcome, settleRun } from '../src/index.ts' import { SessionId } from '@deepseek-ai/dsh-session' +const testToolSignal = new AbortController().signal + /** * Drives the REAL plugin body: mounts `dsh-tool-subagent` on a real * `ToolRegistry` + `SubagentService`, with a package-local scripted child @@ -44,6 +46,7 @@ function callSubagent(ctx: Context, args: unknown, over: { agent?: Agent | undef // exactOptionalPropertyTypes the key is omitted rather than set to undefined. const agent = 'agent' in over ? over.agent : fakeAgent() return ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name: 'subagent', arguments: args, @@ -99,11 +102,13 @@ describe('dsh-tool-subagent', () => { it('keeps foreground and background calls exclusive', async () => { const ctx = await setup({ provider: 'mock' }) expect(ctx.tools.executionMode({ + signal: testToolSignal, callId: CallId('subagent-foreground'), name: 'subagent', arguments: { description: 'do work', prompt: 'Reply OK' }, })).toEqual({ kind: 'exclusive' }) expect(ctx.tools.executionMode({ + signal: testToolSignal, callId: CallId('subagent-background'), name: 'subagent', arguments: { description: 'do work', prompt: 'Reply OK', run_in_background: true }, @@ -138,8 +143,8 @@ describe('dsh-tool-subagent', () => { const names = ctx.tools.schemas().map(s => s.name).filter(n => n.startsWith('subagent')).sort() expect(names).toEqual(['subagent', 'subagent_acp']) - const viaSpawn = await ctx.tools.execute({ callId: CallId('c-spawn'), name: 'subagent', arguments: { description: 'd', prompt: 'p' }, agent: fakeAgent() }) - const viaAcp = await ctx.tools.execute({ callId: CallId('c-acp'), name: 'subagent_acp', arguments: { description: 'd', prompt: 'p' }, agent: fakeAgent() }) + const viaSpawn = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c-spawn'), name: 'subagent', arguments: { description: 'd', prompt: 'p' }, agent: fakeAgent() }) + const viaAcp = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c-acp'), name: 'subagent_acp', arguments: { description: 'd', prompt: 'p' }, agent: fakeAgent() }) expect(text(viaSpawn)).toBe('from spawn') expect(text(viaAcp)).toBe('from acp') }) @@ -417,7 +422,7 @@ describe('dsh-tool-subagent', () => { expect(result.isError).toBe(true) }) - it('passes an already-aborted signal so provider startup rejects', async () => { + it('skips provider startup for an already-aborted signal', async () => { const sawAborted = vi.fn() const ctx = new Context() await ctx.plugin(SystemPrompt) @@ -437,8 +442,9 @@ describe('dsh-tool-subagent', () => { const controller = new AbortController() controller.abort() // already aborted BEFORE the tool runs const result = await callSubagent(ctx, { description: 'd', prompt: 'p' }, { signal: controller.signal }) - expect(sawAborted).toHaveBeenCalledTimes(1) + expect(sawAborted).not.toHaveBeenCalled() expect(result.isError).toBe(true) + expect(result.error).toEqual({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) }) it('tools depend on the service: no `subagent` tool without ctx.subagents', async () => { @@ -639,6 +645,7 @@ describe('dsh-tool-subagent background mode', () => { expect(text(start)).toBe('started background subagent task subagent-1') const collected = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('collect-1'), name: 'task_output', arguments: { task_id: 'subagent-1', wait: true }, @@ -648,6 +655,7 @@ describe('dsh-tool-subagent background mode', () => { // Final-output reads are idempotent (not consumed). const again = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('collect-2'), name: 'task_output', arguments: { task_id: 'subagent-1' }, @@ -663,14 +671,15 @@ describe('dsh-tool-subagent background mode', () => { expect(text(result)).toContain('background tasks unavailable: load @deepseek-ai/dsh-tasks') }) - it('refuses to start when the tool signal is already aborted', async () => { + it('skips background startup when the tool signal is already aborted', async () => { const ctx = await backgroundSetup({ provider: 'mock' }) const parent = ownerAgent(ctx, 'sess-parent') const controller = new AbortController() controller.abort() const result = await callSubagent(ctx, { description: 'd', prompt: 'p', run_in_background: true }, { agent: parent, signal: controller.signal }) expect(result.isError).toBe(true) - expect(text(result)).toContain('subagent delegation aborted') + expect(result.error).toEqual({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) + expect(text(result)).toBe('Error: tool call aborted before dispatch') }) it('settles an asynchronous provider-start failure as a failed task', async () => { @@ -685,6 +694,7 @@ describe('dsh-tool-subagent background mode', () => { tool.apply(ctx, { provider: 'broken-start', toolName: 'subagent_broken' }) const started = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('broken-start'), name: 'subagent_broken', arguments: { description: 'broken', prompt: 'p', run_in_background: true }, @@ -692,6 +702,7 @@ describe('dsh-tool-subagent background mode', () => { }) expect(text(started)).toBe('started background subagent task subagent-1') const output = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('broken-output'), name: 'task_output', arguments: { task_id: 'subagent-1', wait: true }, @@ -714,18 +725,21 @@ describe('dsh-tool-subagent background mode', () => { tool.apply(ctx, { provider: 'pending-start', toolName: 'subagent_pending' }) await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('pending-start'), name: 'subagent_pending', arguments: { description: 'pending', prompt: 'p', run_in_background: true }, agent: parent, }) await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('pending-kill'), name: 'task_kill', arguments: { task_id: 'subagent-1', reason: 'no longer needed' }, agent: parent, }) const output = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('pending-output'), name: 'task_output', arguments: { task_id: 'subagent-1', wait: true }, @@ -763,19 +777,19 @@ describe('dsh-tool-subagent background mode', () => { // Direct apply preserves omitted agentOptions instead of applying schema defaults. tool.apply(ctx, { provider: 'hanging', toolName: 'subagent_hang' }) - const startOne = await ctx.tools.execute({ callId: CallId('h1'), name: 'subagent_hang', arguments: { description: 'one', prompt: 'p', run_in_background: true }, agent: parent }) - const startTwo = await ctx.tools.execute({ callId: CallId('h2'), name: 'subagent_hang', arguments: { description: 'two', prompt: 'p', run_in_background: true }, agent: parent }) + const startOne = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('h1'), name: 'subagent_hang', arguments: { description: 'one', prompt: 'p', run_in_background: true }, agent: parent }) + const startTwo = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('h2'), name: 'subagent_hang', arguments: { description: 'two', prompt: 'p', run_in_background: true }, agent: parent }) expect(text(startOne)).toBe('started background subagent task subagent-1') expect(text(startTwo)).toBe('started background subagent task subagent-2') - const withReason = await ctx.tools.execute({ callId: CallId('k1'), name: 'task_kill', arguments: { task_id: 'subagent-1', reason: 'superseded' }, agent: parent }) - const withoutReason = await ctx.tools.execute({ callId: CallId('k2'), name: 'task_kill', arguments: { task_id: 'subagent-2' }, agent: parent }) + const withReason = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('k1'), name: 'task_kill', arguments: { task_id: 'subagent-1', reason: 'superseded' }, agent: parent }) + const withoutReason = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('k2'), name: 'task_kill', arguments: { task_id: 'subagent-2' }, agent: parent }) expect(text(withReason)).toBe('requested cancellation of task subagent-1') expect(text(withoutReason)).toBe('requested cancellation of task subagent-2') expect(cancels).toEqual(['superseded', 'background subagent task killed']) // The aborted children settle as killed tasks. - const killed = await ctx.tools.execute({ callId: CallId('w1'), name: 'task_output', arguments: { task_id: 'subagent-1', wait: true }, agent: parent }) + const killed = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('w1'), name: 'task_output', arguments: { task_id: 'subagent-1', wait: true }, agent: parent }) expect(text(killed)).toBe('(no new output)\n[status: killed]') }) @@ -868,6 +882,7 @@ describe('background preflight failure (no orphaned child, by construction)', () tool.apply(ctx, { provider: 'probe', toolName: 'subagent_probe' }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('probe-1'), name: 'subagent_probe', arguments: { description: 'd', prompt: 'p', run_in_background: true }, diff --git a/packages/tasks/tool-tasks/tests/tool-tasks.spec.ts b/packages/tasks/tool-tasks/tests/tool-tasks.spec.ts index 0a2d89431e..4c09845eae 100644 --- a/packages/tasks/tool-tasks/tests/tool-tasks.spec.ts +++ b/packages/tasks/tool-tasks/tests/tool-tasks.spec.ts @@ -11,6 +11,8 @@ import type { TaskHooks, TaskOutcome, TaskSnapshot, TaskStart } from '@deepseek- import * as ToolTasks from '@deepseek-ai/dsh-tool-tasks' import { statusLine } from '@deepseek-ai/dsh-tool-tasks' +const testToolSignal = new AbortController().signal + const agentRegistryDisposers = new WeakMap void>() async function setup(config: ToolTasks.Config = {}) { @@ -62,7 +64,7 @@ function producer(overrides: Partial & TaskHooks> = {}) { let callCounter = 0 function call(ctx: Context, name: string, args: unknown, agent?: Agent) { - return ctx.tools.execute({ callId: CallId(`call-${++callCounter}`), name, arguments: args, ...agent ? { agent } : {} }) + return ctx.tools.execute({ signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name, arguments: args, ...agent ? { agent } : {} }) } function text(result: { content: { type: string; text?: string }[] }): string { diff --git a/packages/timeout/timeout-policy/src/index.ts b/packages/timeout/timeout-policy/src/index.ts index e946c2af61..e9fe3a46af 100644 --- a/packages/timeout/timeout-policy/src/index.ts +++ b/packages/timeout/timeout-policy/src/index.ts @@ -54,8 +54,7 @@ export function apply(ctx: Context): void { using d = deadline(exec.signal, timeoutMs, TOOL_TIMEOUT) // Swap the derived deadline onto exec for dispatch, then restore the // caller's own signal so post-execute listeners never see this plugin's - // (possibly already-aborted) timeout signal. `undefined` is not assignable to - // the optional `signal` under exactOptionalPropertyTypes, so branch on it. + // (possibly already-aborted) timeout signal. const upstream = exec.signal exec.signal = d.signal try { @@ -69,8 +68,7 @@ export function apply(ctx: Context): void { } return result } finally { - if (upstream === undefined) delete exec.signal - else exec.signal = upstream + exec.signal = upstream } }) } diff --git a/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts b/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts index db41d6e1dc..77974cd4a0 100644 --- a/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts +++ b/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts @@ -11,10 +11,12 @@ import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import { CallId, HarnessError } from '@deepseek-ai/dsh-llm' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry, { defineTool, type ToolExecutionInput, type PostToolDecision } from '@deepseek-ai/dsh-tools' +import ToolRegistry, { defineTool, TOOL_ABORTED, type ToolExecutionInput, type PostToolDecision } from '@deepseek-ai/dsh-tools' import * as timeoutPolicy from '@deepseek-ai/dsh-timeout-policy' import { TOOL_TIMEOUT } from '@deepseek-ai/dsh-timeout-policy' +const testToolSignal = new AbortController().signal + /** Mount the registry + the zero-config timeout-policy enforcer. */ async function setup() { const ctx = new Context() @@ -29,8 +31,8 @@ const cooperativeTool = defineTool({ name: 'slow', description: 'stops when aborted', parameters: {}, timeoutMs: 100, execute(_args, exec): Promise<{ type: 'text'; text: string }[]> { const done = [{ type: 'text' as const, text: 'stopped cooperatively' }] - if (exec.signal?.aborted) return Promise.resolve(done) - return new Promise((resolve) => { exec.signal?.addEventListener('abort', () => { resolve(done) }) }) + if (exec.signal.aborted) return Promise.resolve(done) + return new Promise((resolve) => { exec.signal.addEventListener('abort', () => { resolve(done) }) }) }, }) @@ -38,8 +40,8 @@ const cooperativeTool = defineTool({ const abortThrowingTool = defineTool({ name: 'aborter', description: 'throws WEB_ABORTED when aborted', parameters: {}, timeoutMs: 100, execute(_args, exec): Promise { - if (exec.signal?.aborted) return Promise.reject(new HarnessError('web fetch aborted', 'WEB_ABORTED')) - return new Promise((_resolve, reject) => { exec.signal?.addEventListener('abort', () => { reject(new HarnessError('web fetch aborted', 'WEB_ABORTED')) }) }) + if (exec.signal.aborted) return Promise.reject(new HarnessError('web fetch aborted', 'WEB_ABORTED')) + return new Promise((_resolve, reject) => { exec.signal.addEventListener('abort', () => { reject(new HarnessError('web fetch aborted', 'WEB_ABORTED')) }) }) }, }) @@ -59,7 +61,7 @@ describe('timeout-policy delegation (unconfigured / fast)', () => { const ctx = await setup() ctx.tools.register(defineTool({ name: 'fast', description: 'd', parameters: {}, timeoutMs: 10_000, async execute() { return [{ type: 'text' as const, text: 'ok' }] } })) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {} }) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'fast', arguments: {} }) expect(result).toEqual({ content: [{ type: 'text', text: 'ok' }], isError: false }) }) @@ -86,16 +88,6 @@ describe('timeout-policy signal restoration', () => { await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {}, signal: upstream }) expect(postSignal).toBe(upstream) }) - - it('deletes exec.signal again when the caller passed none', async () => { - const ctx = await setup() - ctx.tools.register(defineTool({ name: 'fast', description: 'd', parameters: {}, timeoutMs: 10_000, - async execute() { return [{ type: 'text' as const, text: 'ok' }] } })) - let hadSignal: boolean | undefined - ctx.on('tools/post-execute', async (exec, _result, next): Promise => { hadSignal = 'signal' in exec && exec.signal !== undefined; return next() }) - await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {} }) - expect(hadSignal).toBe(false) - }) }) describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { @@ -105,7 +97,7 @@ describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { it('replaces a cooperative tool result with TOOL_TIMEOUT when its own deadline fires', async () => { const ctx = await setup() ctx.tools.register(cooperativeTool) - const pending = ctx.tools.execute({ callId: CallId('c1'), name: 'slow', arguments: {} }) + const pending = ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'slow', arguments: {} }) await vi.advanceTimersByTimeAsync(150) const result = await pending expect(result).toEqual({ @@ -118,7 +110,7 @@ describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { it('replaces a provider-owned abort ERROR result with TOOL_TIMEOUT when the signal was ours', async () => { const ctx = await setup() ctx.tools.register(abortThrowingTool) - const pending = ctx.tools.execute({ callId: CallId('c1'), name: 'aborter', arguments: {} }) + const pending = ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'aborter', arguments: {} }) await vi.advanceTimersByTimeAsync(150) const result = await pending expect(result.isError).toBe(true) @@ -128,14 +120,26 @@ describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { it('preserves registry ABORTED when the caller aborts first (upstream cancel, not our timeout)', async () => { const ctx = await setup() - ctx.tools.register(cooperativeTool) + const entered = Promise.withResolvers() + ctx.tools.register(defineTool({ + name: 'slow', description: 'stops when aborted', parameters: {}, timeoutMs: 100, + execute(_args, exec) { + entered.resolve(undefined) + const done = [{ type: 'text' as const, text: 'stopped cooperatively' }] + if (exec.signal.aborted) return Promise.resolve(done) + return new Promise((resolve) => { + exec.signal.addEventListener('abort', () => { resolve(done) }, { once: true }) + }) + }, + })) const upstream = new AbortController() const pending = ctx.tools.execute({ callId: CallId('c1'), name: 'slow', arguments: {}, signal: upstream.signal }) + await entered.promise upstream.abort('user cancelled') await vi.advanceTimersByTimeAsync(0) const result = await pending expect(result.isError).toBe(true) - expect(result.error).toEqual({ name: 'AbortError', code: 'ABORTED' }) + expect(result.error).toEqual({ name: 'AbortError', code: TOOL_ABORTED }) expect(result.content[0]).toMatchObject({ text: 'Error: tool call aborted' }) }) @@ -146,9 +150,9 @@ describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { ctx.tools.register(defineTool({ name: 'slow-cleanup', description: 'settles after abort cleanup', parameters: {}, timeoutMs: 100, async execute(_args, exec) { - if (!exec.signal?.aborted) { + if (!exec.signal.aborted) { await new Promise((resolve) => { - exec.signal?.addEventListener('abort', () => { resolve(undefined) }, { once: true }) + exec.signal.addEventListener('abort', () => { resolve(undefined) }, { once: true }) }) } sawAbort.resolve(undefined) @@ -217,7 +221,7 @@ describe('dsh-timeout-policy real-load-path guard', () => { const loader = Object.create(Loader.prototype) as Loader const unwrapped = loader.unwrapExports(timeoutPolicy) as Parameters[0] const fiber = await ctx.plugin(unwrapped) - const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {} } satisfies ToolExecutionInput) + const result = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('c1'), name: 'fast', arguments: {} } satisfies ToolExecutionInput) expect(result.isError).toBe(false) await fiber.dispose() }) diff --git a/packages/todo/tool-todo/tests/tool-todo.spec.ts b/packages/todo/tool-todo/tests/tool-todo.spec.ts index 2059bf13e8..47cfc27390 100644 --- a/packages/todo/tool-todo/tests/tool-todo.spec.ts +++ b/packages/todo/tool-todo/tests/tool-todo.spec.ts @@ -10,6 +10,8 @@ import { type Agent } from '@deepseek-ai/dsh-agent' import * as tool from '../src/index.ts' +const testToolSignal = new AbortController().signal + /** * Drives the REAL plugin body: mounts `dsh-tool-todo` on a real `ToolRegistry` * and invokes the registered `todo_write` tool through `ctx.tools.execute`, @@ -36,6 +38,7 @@ let callCounter = 0 function callTodo(ctx: Context, args: unknown, over: { agent?: Agent | undefined } = {}) { const agent = 'agent' in over ? over.agent : agentWithSession() return ctx.tools.execute({ + signal: testToolSignal, callId: CallId(`call-${++callCounter}`), name: 'todo_write', arguments: args, diff --git a/packages/ui/tool-ask-user/src/index.ts b/packages/ui/tool-ask-user/src/index.ts index 2591b28ddd..773d17bcf6 100644 --- a/packages/ui/tool-ask-user/src/index.ts +++ b/packages/ui/tool-ask-user/src/index.ts @@ -63,7 +63,7 @@ export function apply(ctx: Context): void { ...question.multi_select !== undefined ? { multiSelect: question.multi_select } : {}, })), ...exec.agent !== undefined ? { agent: exec.agent } : {}, - ...exec.signal !== undefined ? { signal: exec.signal } : {}, + signal: exec.signal, }) return [{ type: 'text', text: JSON.stringify(result) }] }, diff --git a/packages/ui/tool-ask-user/tests/tool-ask-user.spec.ts b/packages/ui/tool-ask-user/tests/tool-ask-user.spec.ts index ceff7df388..0f03322dcd 100644 --- a/packages/ui/tool-ask-user/tests/tool-ask-user.spec.ts +++ b/packages/ui/tool-ask-user/tests/tool-ask-user.spec.ts @@ -7,6 +7,8 @@ import ToolRegistry from '@deepseek-ai/dsh-tools' import UserInteractionService, { type AskUserQuestionRequest } from '@deepseek-ai/dsh-user-interaction' import * as toolAskUser from '@deepseek-ai/dsh-tool-ask-user' +const testToolSignal = new AbortController().signal + interface OptionSchemaShape { properties: { questions: { @@ -75,6 +77,7 @@ describe('ask_user_question tool', () => { }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('ask-1'), name: 'ask_user_question', arguments: { @@ -110,6 +113,7 @@ describe('ask_user_question tool', () => { }) await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('ask-recommended'), name: 'ask_user_question', arguments: { @@ -144,6 +148,7 @@ describe('ask_user_question tool', () => { }) const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('ask-multi'), name: 'ask_user_question', arguments: { @@ -198,6 +203,7 @@ describe('ask_user_question tool', () => { const agent = { id: 'main' } as unknown as Agent const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('ask-3'), name: 'ask_user_question', arguments: { questions: [{ id: 'continue', header: 'Confirm', question: 'Continue?' }] }, @@ -212,6 +218,7 @@ describe('ask_user_question tool', () => { const ctx = await setup() const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('ask-no-provider'), name: 'ask_user_question', arguments: { questions: [{ id: 'continue', question: 'Continue?' }] }, @@ -227,6 +234,7 @@ describe('ask_user_question tool', () => { const ctx = await setup() const result = await ctx.tools.execute({ + signal: testToolSignal, callId: CallId('ask-empty'), name: 'ask_user_question', arguments: { questions: [] }, diff --git a/packages/web/tool-web/tests/integration.spec.ts b/packages/web/tool-web/tests/integration.spec.ts index e99f524b3c..abc5256b9f 100644 --- a/packages/web/tool-web/tests/integration.spec.ts +++ b/packages/web/tool-web/tests/integration.spec.ts @@ -19,6 +19,8 @@ import * as WebSearchExa from '@deepseek-ai/dsh-web-search-exa' import * as ToolWeb from '@deepseek-ai/dsh-tool-web' import * as TimeoutPolicy from '@deepseek-ai/dsh-timeout-policy' +const testToolSignal = new AbortController().signal + type Handler = (req: IncomingMessage, res: ServerResponse) => void let server: Server @@ -56,7 +58,7 @@ afterEach(async () => { let counter = 0 type ToolResult = { isError: boolean; content: { type: string; text?: string }[]; error?: { code: string } } function call(name: string, args: unknown): Promise { - return ctx.tools.execute({ callId: CallId(`call-${++counter}`), name, arguments: args }) + return ctx.tools.execute({ signal: testToolSignal, callId: CallId(`call-${++counter}`), name, arguments: args }) } describe('web_fetch integration over the real backend', () => { @@ -147,7 +149,7 @@ describe('tool-call timeout returns TOOL_TIMEOUT (deadline wins over a slow fetc }) it('returns a structured TOOL_TIMEOUT (not the provider WEB_FETCH_TIMEOUT) when the tool-call budget wins', async () => { - const out = await tctx.tools.execute({ callId: CallId('slow-1'), name: 'web_fetch', arguments: { url: slowBase } }) + const out = await tctx.tools.execute({ signal: testToolSignal, callId: CallId('slow-1'), name: 'web_fetch', arguments: { url: slowBase } }) expect(out.isError).toBe(true) // The outer tool-call deadline won: TOOL_TIMEOUT, owned by dsh-timeout-policy, // NOT the provider's own WEB_FETCH_TIMEOUT (its 30s backstop never fired). diff --git a/packages/web/tool-web/tests/spill.spec.ts b/packages/web/tool-web/tests/spill.spec.ts index 58599d2c54..21fa097b2f 100644 --- a/packages/web/tool-web/tests/spill.spec.ts +++ b/packages/web/tool-web/tests/spill.spec.ts @@ -19,6 +19,8 @@ import { SessionId } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' import type { ToolExecution } from '@deepseek-ai/dsh-tools' + +const testToolSignal = new AbortController().signal import WebService from '@deepseek-ai/dsh-web' import * as WebFetchLocal from '@deepseek-ai/dsh-web-fetch-local' import LocalSpillStore from '@deepseek-ai/dsh-spill-local' @@ -63,7 +65,7 @@ afterEach(async () => { /** A web_fetch call carrying a session owner (so the policy can scope the spill). */ function fetchCall(): Promise<{ isError: boolean; content: { type: string; text?: string }[] }> { const agent = { session: { header: { id: SessionId('web-sess') } } } - const exec = { callId: CallId('call-1'), name: 'web_fetch', arguments: { url: base }, agent } as unknown as ToolExecution + const exec = { callId: CallId('call-1'), name: 'web_fetch', arguments: { url: base }, agent, signal: testToolSignal } as unknown as ToolExecution return ctx.tools.execute(exec) } diff --git a/packages/web/tool-web/tests/tool-web.spec.ts b/packages/web/tool-web/tests/tool-web.spec.ts index 088ace395e..c7d8dd572a 100644 --- a/packages/web/tool-web/tests/tool-web.spec.ts +++ b/packages/web/tool-web/tests/tool-web.spec.ts @@ -18,6 +18,8 @@ import { WEB_SEARCH_MAX_RESULTS, } from '@deepseek-ai/dsh-tool-web' +const testToolSignal = new AbortController().signal + const available = true function searchProvider(result: WebSearchResult, isAvailable = available): WebSearchProvider { @@ -39,7 +41,7 @@ async function mountTools(opts: { if (opts.fetchProvider) ctx.web.registerFetchProvider(opts.fetchProvider) const fiber = await ctx.plugin(ToolWeb, opts.config ?? {}) let counter = 0 - const call = (name: string, args: unknown) => ctx.tools.execute({ callId: CallId(`call-${++counter}`), name, arguments: args }) as never + const call = (name: string, args: unknown) => ctx.tools.execute({ signal: testToolSignal, callId: CallId(`call-${++counter}`), name, arguments: args }) as never return { ctx, fiber, call } } @@ -166,9 +168,9 @@ describe('tool-web registration', () => { const names = ctx.tools.schemas().map(s => s.name) expect(names).toContain('web_search') expect(names).toContain('web_fetch') - expect(ctx.tools.executionMode({ callId: CallId('search-safe'), name: 'web_search', arguments: { query: 'q' } })) + expect(ctx.tools.executionMode({ signal: testToolSignal, callId: CallId('search-safe'), name: 'web_search', arguments: { query: 'q' } })) .toEqual({ kind: 'parallel' }) - expect(ctx.tools.executionMode({ callId: CallId('fetch-safe'), name: 'web_fetch', arguments: { url: 'https://a.test' } })) + expect(ctx.tools.executionMode({ signal: testToolSignal, callId: CallId('fetch-safe'), name: 'web_fetch', arguments: { url: 'https://a.test' } })) .toEqual({ kind: 'parallel' }) await fiber.dispose() expect(ctx.tools.schemas().map(s => s.name)).not.toContain('web_search') @@ -274,7 +276,7 @@ describe('tool-web execution through the real registry', () => { await fiber.dispose() }) - it('executes web_fetch with no caller signal (forwards undefined to the seam)', async () => { + it('forwards the required caller signal to web_fetch', async () => { const seen: { signal?: AbortSignal | undefined; passedSignal?: boolean } = {} const fetchProvider = { id: 'stub-fetch', @@ -286,11 +288,10 @@ describe('tool-web execution through the real registry', () => { }, } const { ctx, fiber } = await mountTools({ webConfig: { fetchProvider: 'stub-fetch' }, fetchProvider }) - // No signal on the execution: the tool passes `undefined`. - const out = await ctx.tools.execute({ callId: CallId('fetch-2'), name: 'web_fetch', arguments: { url: 'https://a.test' } }) + const out = await ctx.tools.execute({ signal: testToolSignal, callId: CallId('fetch-2'), name: 'web_fetch', arguments: { url: 'https://a.test' } }) expect(out.isError).toBe(false) - expect(seen.passedSignal).toBe(false) - expect(seen.signal).toBeUndefined() + expect(seen.passedSignal).toBe(true) + expect(seen.signal).toBe(testToolSignal) await fiber.dispose() }) diff --git a/packages/workflow/tool-workflow/src/index.ts b/packages/workflow/tool-workflow/src/index.ts index 2a8ef96682..6aa8ea1c96 100644 --- a/packages/workflow/tool-workflow/src/index.ts +++ b/packages/workflow/tool-workflow/src/index.ts @@ -174,17 +174,14 @@ export function apply(ctx: Context, config: Config): void { meta: args.meta, ...args.args !== undefined ? { args: args.args } : {}, parent, - ...exec.signal ? { signal: 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 signal also enters the engine directly, but // this local bridge preserves the tool contract even if an implementation 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') + exec.signal.addEventListener('abort', onAbort, { once: true }) try { const result = await run.result @@ -196,7 +193,7 @@ export function apply(ctx: Context, config: Config): void { } return [{ type: 'text', text: renderResult(run, result, maxResultChars) }] } finally { - exec.signal?.removeEventListener('abort', onAbort) + exec.signal.removeEventListener('abort', onAbort) // Always reach run quiescence — never leak a live script or children. await run.dispose() } diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts index 08bc8171c3..75a1e89ed0 100644 --- a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -2,7 +2,7 @@ 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 ToolRegistry, { TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import type { ToolExecutionResult } from '@deepseek-ai/dsh-tools' import type { Agent } from '@deepseek-ai/dsh-agent' import { WorkflowRunId, WorkflowService } from '@deepseek-ai/dsh-workflow' @@ -13,6 +13,8 @@ import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-workerthread' import * as toolWorkflow from '../src/index.ts' import { SessionId } from '@deepseek-ai/dsh-session' +const testToolSignal = new AbortController().signal + /** A controllable engine standing in behind ctx.workflows (the tool's only seam). */ class StubEngine extends WorkflowService { requests: WorkflowStartRequest[] = [] @@ -60,6 +62,7 @@ const META = { name: 'audit', description: 'd' } function execute(ctx: Context, args: unknown, extra?: { agent?: Agent; signal?: AbortSignal }): Promise { return ctx.tools.execute({ + signal: testToolSignal, callId: CallId('call-1'), name: 'workflow', arguments: args, @@ -154,14 +157,16 @@ describe('dsh-tool-workflow', () => { expect(result.error?.code).toBe('INVALID_ARGS') }) - it('cancels the run when exec.signal is ALREADY aborted at call time', async () => { + it('skips workflow startup when exec.signal is already aborted', async () => { const { ctx, engine, parent } = await setup() const controller = new AbortController() controller.abort() 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) + expect(result.error).toEqual({ name: 'AbortError', code: TOOL_ABORTED_BEFORE_DISPATCH }) + expect(engine.requests).toHaveLength(0) + expect(engine.cancels).toHaveLength(0) + expect(engine.disposed).toBe(0) }) it('truncates an oversized rendered value with a notice (maxResultChars)', async () => { diff --git a/scripts/gen-cordis-catalog.ts b/scripts/gen-cordis-catalog.ts index 15780b17e0..d4b356c9c3 100644 --- a/scripts/gen-cordis-catalog.ts +++ b/scripts/gen-cordis-catalog.ts @@ -114,6 +114,7 @@ export const LINK_MAP: Record = { PreToolDecision: 'tools.md', ToolDefinition: 'tools.md', ToolExecution: 'tools.md', + ToolDispatchExecution: 'tools.md', ToolExecutionInput: 'tools.md', ToolExecutionMode: 'tools.md', ToolExecutionResult: 'tools.md', diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index 202f2efb6e..b85fd20b34 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -78,6 +78,7 @@ { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolExecutionToken", "source": "packages/core/tools/src/index.ts" }, { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolExecutionInput", "source": "packages/core/tools/src/index.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": "ToolDispatchExecution", "source": "packages/core/tools/src/index.ts" }, { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolExecutionMode", "source": "packages/core/tools/src/index.ts" }, { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolRunContext", "source": "packages/core/tools/src/index.ts" }, { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolGuard", "source": "packages/core/tools/src/index.ts" }, diff --git a/website/zh-CN/api/harness/events.md b/website/zh-CN/api/harness/events.md index a073b3262a..2af04fa6ab 100644 --- a/website/zh-CN/api/harness/events.md +++ b/website/zh-CN/api/harness/events.md @@ -794,7 +794,7 @@ Emitted when any prompt provider changes. This registry notification is unfilter A tool was registered or unregistered, or a scoped restriction changed (the available tool set changed — possibly for one scope only). An UNFILTERED registry-subject notification, deliberately not scope-filtered dispatch: a global change concerns every agent's next assembly, so a scoped listener subscribing here sees every change, not just its own scope's. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L122) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L123) ### tools/execute @@ -811,7 +811,7 @@ A tool was registered or unregistered, or a scoped restriction changed (the avai * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal). * @mode waterfall */ -'tools/execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise +'tools/execute'(this: Scoped, exec: ToolDispatchExecution, next: () => Promise): Promise ``` Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a normalized result; wrappers may change only `exec.signal`, while call identity remains immutable. The registry re-fuses the original caller signal before the body, so replacement cannot detach caller cancellation; wrappers must still restore their signal and reach quiescence. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. @@ -829,7 +829,8 @@ Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a nor * Accept, replace, enrich, or block a normalized dispatch result. `next()` * accepts it unchanged; thrown tools still reach this seam as errors. Async * listeners must observe `exec.signal`; after they settle, caller - * cancellation replaces only a successful accepted outcome with `ABORTED`. + * cancellation replaces only a successful accepted outcome with the code + * selected by whether the tool body was invoked. * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. * @param exec - the call that just ran (name, parsed arguments, caller agent). * @param result - the dispatch outcome a listener may accept, replace, or block. @@ -838,12 +839,12 @@ Around-dispatch waterfall for timeout, retry, or metrics. `next()` returns a nor 'tools/post-execute'(this: Scoped, exec: ToolExecution, result: Readonly, next: () => Promise): Promise ``` -Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Async listeners must observe `exec.signal`; after they settle, caller cancellation replaces only a successful accepted outcome with `ABORTED`. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. +Accept, replace, enrich, or block a normalized dispatch result. `next()` accepts it unchanged; thrown tools still reach this seam as errors. Async listeners must observe `exec.signal`; after they settle, caller cancellation replaces only a successful accepted outcome with the code selected by whether the tool body was invoked. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls. - `exec` — the call that just ran (name, parsed arguments, caller agent). - `result` — the dispatch outcome a listener may accept, replace, or block. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L104) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L105) ### tools/pre-execute @@ -888,7 +889,7 @@ Observe the frozen, lossless-JSON final outcome. Listener failures are contained - `exec` — the execution object that traversed the pipeline. - `result` — a deep-frozen snapshot of the final returned result. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L112) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L113) ## workflow/* diff --git a/website/zh-CN/api/harness/tools.md b/website/zh-CN/api/harness/tools.md index 645d17f3cb..1d1b6d0e17 100644 --- a/website/zh-CN/api/harness/tools.md +++ b/website/zh-CN/api/harness/tools.md @@ -6,7 +6,7 @@ Tool registry and execution pipeline. Scoped registrations shadow globals; one visibility resolver feeds presentation, lookup, and dispatch. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L467) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L493) ### ctx.tools.register(definition) @@ -26,7 +26,7 @@ Register globally or in the calling agent scope. Scoped tools shadow globals; du **Returns** the exact disposer that unregisters the tool. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L569) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L595) ### ctx.tools.restrict(filter) @@ -47,7 +47,7 @@ Restrict global tools for the calling agent scope. Empty filters, unknown names, **Returns** the exact disposer that lifts this restriction. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L609) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L635) ### ctx.tools.guard(guard) @@ -71,7 +71,7 @@ Register a monotonic guard after the extensible `tools/pre-execute` waterfall. A **Returns** the exact disposer that unregisters the guard. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L660) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L686) ### ctx.tools.get(name, scope?) @@ -95,7 +95,7 @@ Look up a tool as one scope sees it (scoped shadows global; a restricted-away gl **Returns** the definition the scope resolves, or undefined when none is visible. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L762) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L788) ### ctx.tools.schemas(scope?) @@ -115,7 +115,7 @@ Project visible definitions onto the allowlisted model-facing schema fields, exc **Returns** one deep-cloned schema per visible tool. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L772) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L798) ### ctx.tools.executionMode(exec) @@ -136,7 +136,7 @@ Classify a pending call through the caller's visible tool definition. Only an ex **Returns** the fail-closed scheduling mode. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L793) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L819) ### ctx.tools.execute(exec) @@ -147,9 +147,9 @@ Classify a pending call through the caller's visible tool definition. Only an ex * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is * the same lossless, frozen snapshot final observers receive. Cancellation * arriving after entry and before final result materialization skips a - * not-yet-started body or replaces a successful pipeline outcome with - * `ABORTED`; already-started work is still drained and may retain a - * tool-owned structured error. + * not-yet-started body with `ABORTED_BEFORE_DISPATCH` or replaces a + * successful started outcome with `ABORTED`; already-started work is still + * drained and may retain a tool-owned structured error. * @param exec - the typed same-process call input. The registry assigns its * correlation token before policy begins. * @returns the materialized final result. @@ -157,10 +157,10 @@ Classify a pending call through the caller's visible tool definition. Only an ex async execute(exec: ToolExecutionInput): Promise ``` -Execute through pre-policy, guards, around-dispatch, post-policy, and final notification. Tool and listener failures resolve as materialized error results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is the same lossless, frozen snapshot final observers receive. Cancellation arriving after entry and before final result materialization skips a not-yet-started body or replaces a successful pipeline outcome with `ABORTED`; already-started work is still drained and may retain a tool-owned structured error. +Execute through pre-policy, guards, around-dispatch, post-policy, and final notification. Tool and listener failures resolve as materialized error results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is the same lossless, frozen snapshot final observers receive. Cancellation arriving after entry and before final result materialization skips a not-yet-started body with `ABORTED_BEFORE_DISPATCH` or replaces a successful started outcome with `ABORTED`; already-started work is still drained and may retain a tool-owned structured error. - `exec` — the typed same-process call input. The registry assigns its correlation token before policy begins. **Returns** the materialized final result. -[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L817) +[Source](https://github.com/deepseek-harness/deepseek-harness/blob/master/packages/core/tools/src/index.ts#L843) From 3690c5566051b9165c1807c8d6b40f9142bd5345 Mon Sep 17 00:00:00 2001 From: Yichen Jiang Date: Mon, 20 Jul 2026 21:55:49 +0800 Subject: [PATCH 07/28] test(invariants): type agent event carrier rows --- .../invariants/tests/invariants.spec.ts | 42 ++++++++++++------- 1 file changed, 27 insertions(+), 15 deletions(-) diff --git a/packages/support/invariants/tests/invariants.spec.ts b/packages/support/invariants/tests/invariants.spec.ts index ae886e8874..b8a0cef6a9 100644 --- a/packages/support/invariants/tests/invariants.spec.ts +++ b/packages/support/invariants/tests/invariants.spec.ts @@ -1,5 +1,6 @@ import { describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' +import type { Events } from 'cordis' import { createScope, scopeTarget } from '@deepseek-ai/dsh-scope' import { CallId } from '@deepseek-ai/dsh-llm' import type { Agent } from '@deepseek-ai/dsh-agent' @@ -900,6 +901,9 @@ describe('request cross-check ordering (prepend)', () => { }) describe('scoped-dispatch invariants', () => { + type AgentEventName = Extract + type EventArgs = Events[K] extends (...args: infer Args) => unknown ? Args : never + async function scopedCtx() { const ctx = new Context() await ctx.plugin(SessionStore) @@ -919,22 +923,30 @@ describe('scoped-dispatch invariants', () => { // Real Session objects keep the synthetic Agent handles structurally valid. const agent = { id: 'a1', session: new Session(SessionId('a1-s')) } as unknown as Agent const other = { id: 'a2', session: new Session(SessionId('a2-s')) } as unknown as Agent - // One dispatch per table row keeps every subject extractor covered: the - // matching carrier passes, the foreign-keyed one throws. + // Typed Agent rows keep their representative payloads aligned with the + // declarations while every subject extractor sees both carrier outcomes. + const signal = new AbortController().signal + const config = { provider: 'p', model: 'm' } + const message = { role: 'assistant' as const, content: [] } + const agentRows = { + 'agent/created': [agent], + 'agent/disposed': [agent], + 'agent/status': [agent, 'idle'], + 'agent/queued': [agent, [], { source: { kind: 'user' }, steering: false }], + 'agent/session-start': [agent, 'startup'], + 'agent/pre-step': [agent, 1, 1, signal], + 'agent/post-step': [agent, 1, 1, signal], + 'agent/prompt-submit': [agent, [], { kind: 'user' }, signal, () => Promise.resolve({ kind: 'allow' })], + 'agent/request': [agent, 1, 1, config, signal, () => Promise.resolve(config)], + 'agent/request-error': [agent, 1, 1, new Error('request failed'), 0, signal, () => Promise.resolve({ action: 'fail' })], + 'agent/session-prefix': [agent, [], signal, () => Promise.resolve([])], + 'agent/step-result': [agent, 1, 1, message, signal, () => Promise.resolve(message)], + 'agent/turn-continuation': [agent, 1, { action: 'stop' }, signal, () => Promise.resolve({ action: 'stop' })], + 'agent/turn-stop': [agent, 1, signal], + 'agent/error': [agent, 1, 0, new Error('x')], + } satisfies { [K in AgentEventName]: EventArgs } const rows: [string, unknown[]][] = [ - ['agent/created', [agent]], - ['agent/disposed', [agent]], - ['agent/status', [agent, 'idle']], - ['agent/queued', [agent, [], { source: { kind: 'user' }, steering: false }]], - ['agent/session-start', [agent, 'startup']], - ['agent/pre-step', [agent, 1, 1, new AbortController().signal]], - ['agent/prompt-submit', [agent, [], { kind: 'user' }, new AbortController().signal, () => Promise.resolve({ kind: 'allow' })]], - ['agent/request', [agent, 1, 1, { model: 'm' }, () => Promise.resolve({ model: 'm' })]], - ['agent/session-prefix', [agent, [], new AbortController().signal, () => Promise.resolve([])]], - ['agent/step-result', [agent, 1, 1, { role: 'assistant', content: [] }, () => Promise.resolve({ role: 'assistant', content: [] })]], - ['agent/turn-continuation', [agent, 1, { action: 'stop' }, () => Promise.resolve({ action: 'stop' })]], - ['agent/turn-stop', [agent, 1]], - ['agent/error', [agent, 1, 0, new Error('x')]], + ...Object.entries(agentRows), ['approval/request', [{ agent, toolName: 'echo' }, () => Promise.resolve('unavailable')]], ['tools/pre-execute', [{ callId: 'c', name: 't', arguments: {}, agent }, () => Promise.resolve({ kind: 'allow' })]], ['tools/execute', [{ callId: 'c', name: 't', arguments: {}, agent }, () => Promise.resolve({ content: [], isError: false })]], From bd1805c637cf2d3ea704d0077384cf58a7ae5cf1 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Mon, 20 Jul 2026 23:44:07 +0800 Subject: [PATCH 08/28] fix(tools): close cancellation review gaps --- ...on-through-tool-capability-seams.i18n.yaml | 2 +- ...lation-through-tool-capability-seams.zh.md | 12 +++---- docs/cookbook/adding-a-tool.i18n.yaml | 4 +-- docs/cookbook/adding-a-tool.md | 2 +- docs/cookbook/adding-a-tool.zh.md | 2 +- packages/bash/tool-bash/src/index.ts | 2 ++ packages/bash/tool-bash/tests/tools.spec.ts | 32 +++++++++++++++++-- 7 files changed, 43 insertions(+), 13 deletions(-) diff --git a/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml b/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml index b298484d69..bbb2b78989 100644 --- a/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml +++ b/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.i18n.yaml @@ -3,4 +3,4 @@ # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write 2026-07-19-required-cancellation-through-tool-capability-seams.md: c2cfb09f27222136965058695e9b6b706ac688a9 -2026-07-19-required-cancellation-through-tool-capability-seams.zh.md: b17480e8844f7200d3c100f5f02f69dfad83ad91 +2026-07-19-required-cancellation-through-tool-capability-seams.zh.md: f7a1d303212dfab6da27feba2d6e7195ea07bd50 diff --git a/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md b/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md index b17480e884..f7a1d30321 100644 --- a/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md +++ b/.agents/notes/proposed/architecture/2026-07-19-required-cancellation-through-tool-capability-seams.zh.md @@ -8,7 +8,7 @@ Status: proposed 已经实现的[工具注册表取消契约](../../implemented/architecture/2026-07-19-cooperative-tool-cancellation.md)让每个工具主体中的 `exec.signal` 成为必填值，但许多由工具主体调用的异步能力接口仍接受可选信号。因此，工具可以满足自身类型，却在下一次同进程调用时意外丢失取消。 -这项缺口会沿调用链传递。文件系统工具可能调用路径解析和 I/O，Web 工具可能调用提供方，Bash 工具可能调用执行器，组合工具可能启动或等待任务、子智能体或工作流。只要某个控制工具所持有工作的等待操作允许省略信号，TypeScript 就无法证明取消仍能到达拥有副作用的边界。 +这项缺口会沿调用链传递。文件系统工具可能调用路径解析和 I/O，Web 工具可能调用提供方，Bash 工具可能调用执行器，组合工具可能启动或等待任务、subagent 或工作流。只要某个控制工具所持有工作的等待操作允许省略信号，TypeScript 就无法证明取消仍能到达拥有副作用的边界。 要求仓库中所有异步函数都携带信号会过度扩张。有些操作无法从工具到达，有些同步查询不会等待或持有持续工作，而明确分离的工作在刻意交接后已经拥有新的所有者。 @@ -18,13 +18,13 @@ Status: proposed 每个直接调用方提供自己持有的信号，或从自身必填的操作上下文继续传递信号。实现可以派生子截止时间或取消作用域，但派生信号在委托期间仍须与上游信号关联。能力实现不得生成永不中止信号、使用环境式异步本地取消，也不得仅为重复类型化同进程契约而在运行时校验 `AbortSignal`。 -迁移首先从每个第一方 `ToolDefinition.execute()` 出发，清点其等待的能力调用；随后把每个内聚的接口、实现和使用方接缝连同测试与生成的 API 文档一起修改。文件系统、Bash 与任务、Web 与提供方、工作流与子智能体、代码运行时等能力族可以通过独立 PR 迁移，以保持每项变更可审查；但根据仓库的预发布原则，已经迁移的接口不得保留可选兼容重载。 +迁移首先从每个第一方 `ToolDefinition.execute()` 出发，清点其等待的能力调用；随后把每个内聚的接口、实现和使用方接缝连同测试与生成的 API 文档一起修改。文件系统、Bash 与任务、Web 与提供方、工作流与 subagent、代码运行时等能力族可以通过独立 PR 迁移，以保持每项变更可审查；但根据仓库的预发布原则，已经迁移的接口不得保留可选兼容重载。 ### 范围边界 本提议包含完成或取消仍属于当前工具生命周期的异步能力操作，包括所有权交接前的启动操作、前台执行、读写、提供方请求、等待，以及工具会等待的清理或释放操作。 -本提议不包含同步注册表查询、可用性检查、schema 渲染、参数分类，以及其他无法保留异步工作的操作。明确交接所有权后的分离工作也不在范围内：任务、工作流、worker 或子智能体成功发布给新的生命周期所有者后，其分离生命周期由新所有者的控制器管理。发起启动的操作在交接提交前仍须接收调用方信号；之后若另一次工具调用等待该分离工作，则必须使用该次调用自己的信号。 +本提议不包含同步注册表查询、可用性检查、schema 渲染、参数分类，以及其他无法保留异步工作的操作。明确交接所有权后的分离工作也不在范围内：任务、工作流、worker 或 subagent 成功发布给新的生命周期所有者后，其分离生命周期由新所有者的控制器管理。发起启动的操作在交接提交前仍须接收调用方信号；之后若另一次工具调用等待该分离工作，则必须使用该次调用自己的信号。 若外部协议本身允许省略取消，解析器、配置、模型与工具 JSON、持久化与文件格式、worker、进程或线协议输入仍可保留可选取消。所属边界必须先把该输入解析为必填的同进程信号，再调用已经迁移的能力接缝。 @@ -34,7 +34,7 @@ Status: proposed **通过 lint 规则或回调检查强制传递。** 不予采纳，因为语法检查无法可靠识别所有权、派生信号、抽象层或正确的完全停稳行为。必填接口参数可以在 TypeScript 能检查每个调用方的位置表达契约。 -**把 `ToolRunContext` 传入所有能力。** 不予采纳，因为能力需要的是取消，而不是工具身份、智能体状态或上下文延后功能。传递更大的上下文会让可复用服务耦合到工具注册表，也会掩盖狭窄接缝。 +**把 `ToolRunContext` 传入所有能力。** 不予采纳，因为能力需要的是取消，而不是工具身份、agent 状态或上下文延后功能。传递更大的上下文会让可复用服务耦合到工具注册表，也会掩盖狭窄接缝。 **使用环境式异步本地信号。** 不予采纳，因为隐藏传递会让所有权和分离交接难以审计，使测试复杂化，并可能让调用静默绑定到错误的生命周期。 @@ -50,11 +50,11 @@ Status: proposed - 派生截止时间和包装层作用域仍与调用方信号关联，集成测试证明取消到达副作用所有者，且等待的工作完全停稳。 - 同步查询和明确交接后的分离工作不受这项要求约束；存在歧义时，需要记录并测试所有权转换。 - 只有真实的无类型边界才添加运行时校验，不得重复校验 TypeScript 已要求的字段或参数。 -- 每次内聚迁移后，顶层 typecheck、覆盖率、快照、文档、模块图、构建、hygiene、演示和构建产物门禁全部通过。 +- 每次内聚迁移后，顶层类型检查、覆盖率、快照、文档、模块图、构建、hygiene、演示和构建产物门禁全部通过。 ## 风险 -**传递性影响范围较大。** 一个必填参数可能同时暴露大量直接调用方。应按内聚能力族迁移，并把 typecheck 失败作为完整的调用方清单。 +**传递性影响范围较大。** 一个必填参数可能同时暴露大量直接调用方。应按内聚能力族迁移，并把类型检查失败作为完整的调用方清单。 **错误划分分离工作。** 过早排除启动操作可能在发布提交前就让工作脱离控制；永久要求父信号又可能让已完成工具取消合法分离的工作。每次交接都需要明确提交点、新所有者、回滚行为和完全停稳的失败路径。 diff --git a/docs/cookbook/adding-a-tool.i18n.yaml b/docs/cookbook/adding-a-tool.i18n.yaml index f60aab5cd7..8dc6c89aea 100644 --- a/docs/cookbook/adding-a-tool.i18n.yaml +++ b/docs/cookbook/adding-a-tool.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -adding-a-tool.md: d5ea48542fb439ab1e7f3d2648a4593477d73cf2 -adding-a-tool.zh.md: c989e521f95c69b5b666f8e464d2cd157aa2f634 +adding-a-tool.md: 9e8fa1287c854f33f62a4c6a1ed93adfccc19471 +adding-a-tool.zh.md: be4e0800036ac9bde949a11d8a35e49cfb92efd7 diff --git a/docs/cookbook/adding-a-tool.md b/docs/cookbook/adding-a-tool.md index d5ea48542f..9e8fa1287c 100644 --- a/docs/cookbook/adding-a-tool.md +++ b/docs/cookbook/adding-a-tool.md @@ -25,7 +25,7 @@ export function apply(ctx: Context) { async execute(args, exec) { // args is TYPED from the schema: { path: string; limit?: number } // exec carries immutable identity + token; signal is the operational field - return [{ type: 'text', text: await readFile(args.path, 'utf8') }] + return [{ type: 'text', text: await readFile(args.path, { encoding: 'utf8', signal: exec.signal }) }] }, })) } diff --git a/docs/cookbook/adding-a-tool.zh.md b/docs/cookbook/adding-a-tool.zh.md index c989e521f9..be4e080003 100644 --- a/docs/cookbook/adding-a-tool.zh.md +++ b/docs/cookbook/adding-a-tool.zh.md @@ -25,7 +25,7 @@ export function apply(ctx: Context) { async execute(args, exec) { // args is TYPED from the schema: { path: string; limit?: number } // exec carries immutable identity + token; signal is the operational field - return [{ type: 'text', text: await readFile(args.path, 'utf8') }] + return [{ type: 'text', text: await readFile(args.path, { encoding: 'utf8', signal: exec.signal }) }] }, })) } diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index da9ad8f0dc..7d1fccde10 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -422,6 +422,8 @@ export function apply(ctx: Context, config: Config = {}): void { if (tasks === undefined) { throw new Error('background tasks unavailable: load @deepseek-ai/dsh-tasks and @deepseek-ai/dsh-tool-tasks') } + // The caller owns cancellation until TaskService commits detached ownership. + if (exec.signal.aborted) return [] // Task preflight finishes before the starter can spawn a process. const id = tasks.start({ kind: 'bash', diff --git a/packages/bash/tool-bash/tests/tools.spec.ts b/packages/bash/tool-bash/tests/tools.spec.ts index 1e1ea37d24..9c9e06bb31 100644 --- a/packages/bash/tool-bash/tests/tools.spec.ts +++ b/packages/bash/tool-bash/tests/tools.spec.ts @@ -7,7 +7,7 @@ import { CallId } from '@deepseek-ai/dsh-llm' import { BashExecutor } from '@deepseek-ai/dsh-bash' import type { BashExecRequest, BashExecSpec, BashProcess, BashProcessRead, BashRunResult } from '@deepseek-ai/dsh-bash' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry, { TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' +import ToolRegistry, { TOOL_ABORTED, TOOL_ABORTED_BEFORE_DISPATCH } from '@deepseek-ai/dsh-tools' import AgentRegistry from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' @@ -181,7 +181,11 @@ async function setupSandboxed(withApproval = false) { return { ctx, bash: ctx.bash as RecordingSandboxExecutor } } -function sandboxAgent(mode?: 'read-only' | 'workspace-write' | 'danger-full-access', ctx?: Context): Agent { +function sandboxAgent( + mode?: 'read-only' | 'workspace-write' | 'danger-full-access', + ctx?: Context, + onAppend?: (type: string) => void, +): Agent { const events: Array<{ type: string; data?: Record }> = [{ type: 'turn/start' }] if (mode !== undefined) events.push({ type: 'sandbox/mode', data: { mode } }) const id = SessionId('sandbox-session') @@ -195,6 +199,7 @@ function sandboxAgent(mode?: 'read-only' | 'workspace-write' | 'danger-full-acce append: (type: string, data: Record) => { const event = { type, data } events.push(event) + onAppend?.(type) return event }, }, @@ -600,6 +605,29 @@ describe('sandbox escalation through the generic task producer', () => { expect(bash.modes).toEqual(['workspace-write', 'workspace-write']) }) + it('does not publish detached work when cancellation follows the escalation grant', async () => { + const { ctx, bash } = await setupSandboxed(true) + const controller = new AbortController() + const agent = sandboxAgent(undefined, ctx, (type) => { + if (type === 'approval/decided') controller.abort() + }) + ctx.agents.register(agent) + ctx.on('approval/request', () => Promise.resolve('allowed-once')) + const start = vi.spyOn(bash, 'start') + + const result = await ctx.tools.execute({ + callId: CallId('cancelled-escalation-background'), + name: 'bash', + arguments: { ...escalate, run_in_background: true }, + agent, + signal: controller.signal, + }) + + expect(result.error).toEqual({ name: 'AbortError', code: TOOL_ABORTED }) + expect(text(result)).toBe('Error: tool call aborted') + expect(start).not.toHaveBeenCalled() + }) + it('uses the session override for ordinary calls and evaluates widening against it', async () => { const { ctx, bash } = await setupSandboxed(true) const agent = sandboxAgent('workspace-write') From 81cdebc5315dc7764d11992c363f88a27a4bdcd9 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 00:08:44 +0800 Subject: [PATCH 09/28] fix(hooks): require invocation signals --- packages/hooks/hooks-claude/src/index.ts | 4 ++-- packages/hooks/hooks-codex/src/index.ts | 9 +++++++-- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/packages/hooks/hooks-claude/src/index.ts b/packages/hooks/hooks-claude/src/index.ts index 63cd88f8bf..5a5d33427d 100644 --- a/packages/hooks/hooks-claude/src/index.ts +++ b/packages/hooks/hooks-claude/src/index.ts @@ -132,7 +132,7 @@ export function apply(ctx: Context, config: Config): void { point: string, matchQuery: string, payload: unknown, - opts: { agent?: Agent; turn?: number; signal?: AbortSignal }, + opts: { agent?: Agent; turn?: number; readonly signal: AbortSignal }, ): Promise { const groups: MatcherGroup[] = parsed[point] ?? [] const outputs: HookOutput[] = [] @@ -159,7 +159,7 @@ export function apply(ctx: Context, config: Config): void { defaultTimeoutMs, ...hookEnv ? { env: hookEnv } : {}, ...workdir !== undefined ? { cwd: workdir } : {}, - ...opts.signal ? { signal: opts.signal } : {}, + signal: opts.signal, trailingNewline: true, // Discard a `hookSpecificOutput` block whose `hookEventName` names a // different event than the one firing (the schemas key it by event). diff --git a/packages/hooks/hooks-codex/src/index.ts b/packages/hooks/hooks-codex/src/index.ts index 9dfd171d8e..7d05950957 100644 --- a/packages/hooks/hooks-codex/src/index.ts +++ b/packages/hooks/hooks-codex/src/index.ts @@ -106,7 +106,12 @@ export function apply(ctx: Context, config: Config): void { point: string, matchQuery: string, payload: unknown, - opts: { agent?: Agent; turn?: number; signal?: AbortSignal; plainStdoutAsContext?: boolean }, + opts: { + agent?: Agent + turn?: number + readonly signal: AbortSignal + plainStdoutAsContext?: boolean + }, ): Promise { const groups: MatcherGroup[] = parsed[point] ?? [] const outputs: HookOutput[] = [] @@ -129,7 +134,7 @@ export function apply(ctx: Context, config: Config): void { payload, defaultTimeoutMs, ...workdir !== undefined ? { cwd: workdir } : {}, - ...opts.signal ? { signal: opts.signal } : {}, + signal: opts.signal, trailingNewline: false, // Codex writes stdin without a trailing newline. // Discard a `hookSpecificOutput` block naming a different event. expectedEventName: point, From 9a6914d845039ca4f8190f47fc03b159a424ba72 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 01:53:08 +0800 Subject: [PATCH 10/28] feat(session): add out-of-band log appends --- packages/core/session/src/index.ts | 91 ++++++- packages/core/session/src/types.ts | 14 ++ .../core/session/tests/out-of-band.spec.ts | 227 ++++++++++++++++++ 3 files changed, 328 insertions(+), 4 deletions(-) create mode 100644 packages/core/session/tests/out-of-band.spec.ts diff --git a/packages/core/session/src/index.ts b/packages/core/session/src/index.ts index 9b2eb74a37..6350694ebe 100644 --- a/packages/core/session/src/index.ts +++ b/packages/core/session/src/index.ts @@ -13,7 +13,7 @@ import { scopeOf, scopeTarget } from '@deepseek-ai/dsh-scope' import type { Scoped } from '@deepseek-ai/dsh-scope' import type { Message } from '@deepseek-ai/dsh-llm' import { SESSION_FORMAT_VERSION, SessionId } from './types.ts' -import type { CreateSessionOptions, EpochHeader, SessionEvent, SessionEventMap, SessionEventType, SessionHeader, SurfaceIntent, SurfaceEventType } from './types.ts' +import type { CreateSessionOptions, EpochHeader, OutOfBandSessionEventType, SessionEvent, SessionEventMap, SessionEventType, SessionHeader, SurfaceIntent, SurfaceEventType, TurnTrigger } from './types.ts' import { snapshotJsonValue } from './json.ts' import { SurfaceManager } from './surface.ts' import type { SessionSurface } from './surface.ts' @@ -210,6 +210,7 @@ interface SessionEntry { announced: boolean announcing: boolean appending: boolean + outOfBand: boolean detachRequested: boolean detach(): void } @@ -384,7 +385,7 @@ export class Session { } finally { if (entry !== undefined) { entry.appending = false - if (entry.detachRequested && !entry.announcing) entry.detach() + if (entry.detachRequested && !entry.announcing && !entry.outOfBand) entry.detach() } } } @@ -668,6 +669,7 @@ export class SessionStore extends Service { announced: false, announcing: false, appending: false, + outOfBand: false, detachRequested: false, detach: () => { this.detachEntered(entry) }, } @@ -680,7 +682,7 @@ export class SessionStore extends Service { // A lifecycle listener may own the advanced detach capability. Keep the // entry and its publication hooks live until synchronous creation or append // publication unwinds, then publish the paired disposal edge. - if (entry.announcing || entry.appending) { + if (entry.announcing || entry.appending || entry.outOfBand) { entry.detachRequested = true return } @@ -734,7 +736,7 @@ export class SessionStore extends Service { } } finally { entry.announcing = false - if (entry.detachRequested && !entry.appending) entry.detach() + if (entry.detachRequested && !entry.appending && !entry.outOfBand) entry.detach() } } @@ -778,6 +780,87 @@ export class SessionStore extends Service { if (failure !== undefined) throw failure.reason } + /** + * Append one plugin-declared log-only event without borrowing the agent + * loop's lifecycle. An open turn receives the event directly and remains + * responsible for its ordinary checkpoint. A closed log receives one + * zero-step turn around the event, followed by an awaited flush. + * + * Once the synthetic `turn/start` commits, this method always attempts its + * matching `turn/end` and flush, including when the target append fails. + * Detachment requested by an event or flush listener is deferred until that + * sequence settles, so publication cannot switch from a live scoped session + * to an unobserved bare `Session` halfway through the update. + * + * @param session - exact live session that owns the target log. + * @param type - event type opted into {@link OutOfBandSessionEventMap} by its owner. + * @param data - typed JSON payload for the target event. + * @param trigger - plugin-owned turn trigger used only when the log is closed. + * @returns the accepted target event with its assigned sequence and timestamp. + * @throws when the session is detached, another out-of-band append is active, + * event acceptance fails, the synthetic turn cannot close, or flushing fails. + */ + async appendOutOfBand( + session: Session, + type: T, + data: SessionEventMap[T], + trigger: TurnTrigger, + ): Promise> { + const entry = this.liveEntryFor(session) + if (entry.outOfBand) { + throw new Error(`session "${session.id}" already has an out-of-band append in progress`) + } + entry.outOfBand = true + // `T` is excluded from SurfaceEventType by OutOfBandSessionEventType, but + // TypeScript does not reduce Session.append's conditional rest parameter + // through a generic intersection. Preserve that proven two-argument call + // shape without widening the public Session.append overload. + const appendLogOnly = session.append.bind(session) as unknown as ( + eventType: K, + eventData: SessionEventMap[K], + ) => SessionEvent + try { + const lastBoundary = session.events.findLast(event => event.type === 'turn/start' || event.type === 'turn/end') + if (lastBoundary?.type === 'turn/start') { + return appendLogOnly(type, data) + } + + const lastStart = session.events.findLast(event => event.type === 'turn/start') + const turn = (lastStart?.data.turn ?? 0) + 1 + let accepted: SessionEvent | undefined + let failure: unknown + let opened = false + try { + session.append('turn/start', { turn, trigger }) + opened = true + accepted = appendLogOnly(type, data) + } catch (error: unknown) { + failure = error + } finally { + if (opened) { + // The only target types admitted by OutOfBandSessionEventMap are + // log-only plugin events, so the synthetic turn remains open here. + session.append('turn/end', { turn, reason: { kind: 'completed' } }) + try { + await this.flush(session) + } catch (error: unknown) { + if (failure === undefined) failure = error + } + } + } + if (failure !== undefined) { + // eslint-disable-next-line @typescript-eslint/only-throw-error -- preserve an arbitrary flush-listener rejection exactly + throw failure + } + /* v8 ignore next -- accepted is assigned unless an append failure was captured above. */ + if (accepted === undefined) throw new Error('out-of-band append completed without an accepted event') + return accepted + } finally { + entry.outOfBand = false + if (entry.detachRequested && !entry.announcing && !entry.appending) entry.detach() + } + } + /** Return the exact live entry; detached/prepared objects reject. */ private liveEntryFor(session: Session): SessionEntry { const entry = attachments.get(session) diff --git a/packages/core/session/src/types.ts b/packages/core/session/src/types.ts index ea0ad55a51..8f24b7ac08 100644 --- a/packages/core/session/src/types.ts +++ b/packages/core/session/src/types.ts @@ -263,9 +263,23 @@ export interface SessionEventMap { 'request/header': { header: EpochHeader; reason: RequestHeaderReason } } +/** + * Marker map for plugin-owned log-only events accepted by + * `SessionStore.appendOutOfBand()`. A plugin extends this map with the same key + * it adds to {@link SessionEventMap}; surface and lifecycle events stay + * ineligible unless their owner explicitly opts them into this narrow seam. + */ +export interface OutOfBandSessionEventMap {} + /** The appendable event-type keys of {@link SessionEventMap}, plugin-merged extensions included. */ export type SessionEventType = keyof SessionEventMap +/** Plugin-declared non-surface event types accepted by `SessionStore.appendOutOfBand()`. */ +export type OutOfBandSessionEventType = Exclude< + Extract, + SurfaceEventType +> + /** * The subset of {@link SessionEventType} values whose events produce LLM * messages and are eligible to appear on the ordered surface. Only these diff --git a/packages/core/session/tests/out-of-band.spec.ts b/packages/core/session/tests/out-of-band.spec.ts new file mode 100644 index 0000000000..2409e92f7d --- /dev/null +++ b/packages/core/session/tests/out-of-band.spec.ts @@ -0,0 +1,227 @@ +import { Context } from 'cordis' +import { describe, expect, it } from 'vitest' +import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' + +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + 'test/log-only': { value: string } + } + + interface OutOfBandSessionEventMap { + 'test/log-only': true + } + + interface TurnTriggerMap { + 'test/update': { kind: 'test/update' } + } +} + +describe('SessionStore.appendOutOfBand', () => { + it('joins an open turn without adding a boundary or flushing it', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.create(SessionId('open')) + let flushes = 0 + ctx.on('session/flush', () => { flushes += 1 }) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + + const event = await ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'inside' }, + { kind: 'test/update' }, + ) + + expect(event).toMatchObject({ type: 'test/log-only', seq: 1, data: { value: 'inside' } }) + expect(session.events.map(item => item.type)).toEqual(['turn/start', 'test/log-only']) + expect(flushes).toBe(0) + }) + + it('wraps a closed log in one zero-step turn and flushes the balanced update', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.create(SessionId('closed')) + const flushedTypes: string[][] = [] + ctx.on('session/flush', (flushed) => { + flushedTypes.push(flushed.events.map(event => event.type)) + }) + + const first = await ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'first' }, + { kind: 'test/update' }, + ) + const second = await ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'second' }, + { kind: 'test/update' }, + ) + + expect(first.seq).toBe(1) + expect(second.seq).toBe(4) + expect(session.events).toMatchObject([ + { type: 'turn/start', seq: 0, data: { turn: 1, trigger: { kind: 'test/update' } } }, + { type: 'test/log-only', seq: 1, data: { value: 'first' } }, + { type: 'turn/end', seq: 2, data: { turn: 1, reason: { kind: 'completed' } } }, + { type: 'turn/start', seq: 3, data: { turn: 2, trigger: { kind: 'test/update' } } }, + { type: 'test/log-only', seq: 4, data: { value: 'second' } }, + { type: 'turn/end', seq: 5, data: { turn: 2, reason: { kind: 'completed' } } }, + ]) + expect(flushedTypes).toEqual([ + ['turn/start', 'test/log-only', 'turn/end'], + ['turn/start', 'test/log-only', 'turn/end', 'turn/start', 'test/log-only', 'turn/end'], + ]) + }) + + it('closes and flushes a zero-step turn when the target event is rejected', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.create(SessionId('rejected')) + let flushes = 0 + ctx.on('session/flush', () => { flushes += 1 }) + + await expect(ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 1n } as never, + { kind: 'test/update' }, + )).rejects.toThrow(/non-JSON-serializable/) + + expect(session.events).toMatchObject([ + { type: 'turn/start', data: { turn: 1 } }, + { type: 'turn/end', data: { turn: 1, reason: { kind: 'completed' } } }, + ]) + expect(flushes).toBe(1) + }) + + it('does not flush when the synthetic turn cannot open', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.create(SessionId('start-failure')) + let flushes = 0 + ctx.on('session/flush', () => { flushes += 1 }) + + await expect(ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'unreachable' }, + { kind: 'test/update', invalid: 1n } as never, + )).rejects.toThrow(/non-JSON-serializable/) + + expect(session.events).toEqual([]) + expect(flushes).toBe(0) + }) + + it('preserves a target rejection when the balancing flush also rejects', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.create(SessionId('target-and-flush-failure')) + ctx.on('session/flush', () => { throw new Error('disk failed') }) + + await expect(ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 1n } as never, + { kind: 'test/update' }, + )).rejects.toThrow(/non-JSON-serializable/) + + expect(session.events.map(event => event.type)).toEqual([ + 'turn/start', + 'turn/end', + ]) + }) + + it('keeps the session attached through publication and its flush', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.prepare(SessionId('dispose')) + const detach = ctx.sessions.enter(session) + ctx.sessions.announce(session) + let liveDuringFlush = false + ctx.on('session/event', (_observed, event) => { + if (event.type === 'turn/start') detach() + }) + ctx.on('session/flush', () => { + liveDuringFlush = ctx.sessions.get(session.id) === session + }) + + await ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'last' }, + { kind: 'test/update' }, + ) + + expect(session.events.map(event => event.type)).toEqual([ + 'turn/start', + 'test/log-only', + 'turn/end', + ]) + expect(liveDuringFlush).toBe(true) + expect(ctx.sessions.get(session.id)).toBeUndefined() + }) + + it('rejects detached sessions before opening a turn', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.prepare(SessionId('detached')) + + await expect(ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'nope' }, + { kind: 'test/update' }, + )).rejects.toThrow('session "detached" is not live in this store') + expect(session.events).toEqual([]) + }) + + it('leaves a balanced log when the durability checkpoint rejects', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.create(SessionId('flush-failure')) + ctx.on('session/flush', () => { throw new Error('disk failed') }) + + await expect(ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'accepted' }, + { kind: 'test/update' }, + )).rejects.toThrow('disk failed') + expect(session.events.map(event => event.type)).toEqual([ + 'turn/start', + 'test/log-only', + 'turn/end', + ]) + }) + + it('rejects overlapping updates while the first append is still settling', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const session = ctx.sessions.create(SessionId('overlap')) + let release!: () => void + const checkpoint = new Promise((resolve) => { + release = resolve + }) + ctx.on('session/flush', () => checkpoint) + + const first = ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'first' }, + { kind: 'test/update' }, + ) + await expect(ctx.sessions.appendOutOfBand( + session, + 'test/log-only', + { value: 'overlap' }, + { kind: 'test/update' }, + )).rejects.toThrow(/out-of-band append in progress/) + release() + await expect(first).resolves.toMatchObject({ data: { value: 'first' } }) + }) +}) From 58dc5f94de7049b21233a9fbcb8bab5af978eb63 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 01:53:24 +0800 Subject: [PATCH 11/28] feat(session-title): add fallback and model providers --- knip.json | 4 + .../examples/agent-spine-demo/package.json | 4 +- .../examples/agent-spine-demo/tsconfig.json | 3 + .../session-query/session-query/package.json | 2 + .../session-query/session-query/tsconfig.json | 3 + packages/session-title/README.md | 12 + .../session-title-all-messages-llm/README.md | 26 + .../package.json | 34 ++ .../src/index.ts | 36 ++ .../tests/provider.spec.ts | 73 +++ .../tsconfig.json | 13 + .../session-title-first-message-llm/README.md | 26 + .../package.json | 37 ++ .../src/index.ts | 40 ++ .../tests/loader-composition.spec.ts | 120 ++++ .../tests/provider.e2e.ts | 59 ++ .../tests/provider.spec.ts | 86 +++ .../tsconfig.json | 13 + .../session-title/session-title-llm/README.md | 43 ++ .../session-title-llm/package.json | 40 ++ .../session-title-llm/src/index.ts | 245 ++++++++ .../session-title-llm/tests/llm.spec.ts | 266 +++++++++ .../session-title-llm/tsconfig.json | 16 + .../session-title/session-title/README.md | 52 ++ .../session-title/session-title/package.json | 41 ++ .../session-title/session-title/src/index.ts | 556 ++++++++++++++++++ .../session-title/src/normalize.ts | 74 +++ .../session-title/tests/persistence.spec.ts | 91 +++ .../session-title/tests/provider.spec.ts | 289 +++++++++ .../tests/service-contracts.spec.ts | 287 +++++++++ .../session-title/tests/session-title.spec.ts | 145 +++++ .../session-title/session-title/tsconfig.json | 30 + packages/ui/acp/package.json | 2 + packages/ui/acp/tsconfig.json | 3 + packages/ui/tui/package.json | 2 + packages/ui/tui/tsconfig.json | 3 + pnpm-lock.yaml | 115 ++++ python/sdk-runtime/package.json | 1 + tsconfig.base.json | 1 + tsconfig.build.json | 4 + tsconfig.json | 4 + 41 files changed, 2900 insertions(+), 1 deletion(-) create mode 100644 packages/session-title/README.md create mode 100644 packages/session-title/session-title-all-messages-llm/README.md create mode 100644 packages/session-title/session-title-all-messages-llm/package.json create mode 100644 packages/session-title/session-title-all-messages-llm/src/index.ts create mode 100644 packages/session-title/session-title-all-messages-llm/tests/provider.spec.ts create mode 100644 packages/session-title/session-title-all-messages-llm/tsconfig.json create mode 100644 packages/session-title/session-title-first-message-llm/README.md create mode 100644 packages/session-title/session-title-first-message-llm/package.json create mode 100644 packages/session-title/session-title-first-message-llm/src/index.ts create mode 100644 packages/session-title/session-title-first-message-llm/tests/loader-composition.spec.ts create mode 100644 packages/session-title/session-title-first-message-llm/tests/provider.e2e.ts create mode 100644 packages/session-title/session-title-first-message-llm/tests/provider.spec.ts create mode 100644 packages/session-title/session-title-first-message-llm/tsconfig.json create mode 100644 packages/session-title/session-title-llm/README.md create mode 100644 packages/session-title/session-title-llm/package.json create mode 100644 packages/session-title/session-title-llm/src/index.ts create mode 100644 packages/session-title/session-title-llm/tests/llm.spec.ts create mode 100644 packages/session-title/session-title-llm/tsconfig.json create mode 100644 packages/session-title/session-title/README.md create mode 100644 packages/session-title/session-title/package.json create mode 100644 packages/session-title/session-title/src/index.ts create mode 100644 packages/session-title/session-title/src/normalize.ts create mode 100644 packages/session-title/session-title/tests/persistence.spec.ts create mode 100644 packages/session-title/session-title/tests/provider.spec.ts create mode 100644 packages/session-title/session-title/tests/service-contracts.spec.ts create mode 100644 packages/session-title/session-title/tests/session-title.spec.ts create mode 100644 packages/session-title/session-title/tsconfig.json diff --git a/knip.json b/knip.json index 77964077f2..3dfcf5c29f 100644 --- a/knip.json +++ b/knip.json @@ -89,6 +89,10 @@ "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, + "packages/session-title/session-title-first-message-llm": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, "packages/context/workspace-context": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] diff --git a/packages/examples/agent-spine-demo/package.json b/packages/examples/agent-spine-demo/package.json index 2c73226f3c..4635cecb48 100644 --- a/packages/examples/agent-spine-demo/package.json +++ b/packages/examples/agent-spine-demo/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-agent-spine-demo", - "description": "The default executor-less/UI-less agent spine as one Cordis bundle plugin (timer + llm + sessions + system-prompt + tools + skills + agents + bounded retry + tasks + invariants + tool-bash + workspace-context + tool-skill + tool-tasks + agent-loop)", + "description": "The default executor-less/UI-less agent spine as one Cordis bundle plugin (timer + llm + sessions + session titles + system-prompt + tools + skills + agents + bounded retry + tasks + invariants + tool-bash + workspace-context + tool-skill + tool-tasks + agent-loop)", "version": "0.0.1", "private": true, "type": "module", @@ -31,6 +31,7 @@ "@deepseek-ai/dsh-llm-retry": "^0.0.1", "@deepseek-ai/dsh-workspace-context": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-session-title": "^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", @@ -52,6 +53,7 @@ "@deepseek-ai/dsh-llm-retry": "workspace:^", "@deepseek-ai/dsh-workspace-context": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", "@deepseek-ai/dsh-skill": "workspace:^", "@deepseek-ai/dsh-skill-local": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", diff --git a/packages/examples/agent-spine-demo/tsconfig.json b/packages/examples/agent-spine-demo/tsconfig.json index 9b897d1674..22795cc520 100644 --- a/packages/examples/agent-spine-demo/tsconfig.json +++ b/packages/examples/agent-spine-demo/tsconfig.json @@ -23,6 +23,9 @@ { "path": "../../core/session" }, + { + "path": "../../session-title/session-title" + }, { "path": "../../core/system-prompt" }, diff --git a/packages/session-query/session-query/package.json b/packages/session-query/session-query/package.json index ae2767598a..90889bebc3 100644 --- a/packages/session-query/session-query/package.json +++ b/packages/session-query/session-query/package.json @@ -24,6 +24,7 @@ "peerDependencies": { "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-session-title": "^0.0.1", "@deepseek-ai/dsh-session-persistence": "^0.0.1", "cordis": "^4.0.0-rc.7" }, @@ -38,6 +39,7 @@ "devDependencies": { "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", "@deepseek-ai/dsh-session-persistence": "workspace:^", "cordis": "^4.0.0-rc.7" } diff --git a/packages/session-query/session-query/tsconfig.json b/packages/session-query/session-query/tsconfig.json index 7153dae8bb..c859894c4e 100644 --- a/packages/session-query/session-query/tsconfig.json +++ b/packages/session-query/session-query/tsconfig.json @@ -23,6 +23,9 @@ { "path": "../../core/session" }, + { + "path": "../../session-title/session-title" + }, { "path": "../../session-persistence/session-persistence" } diff --git a/packages/session-title/README.md b/packages/session-title/README.md new file mode 100644 index 0000000000..d17acc2d60 --- /dev/null +++ b/packages/session-title/README.md @@ -0,0 +1,12 @@ +# session-title/ — log-backed session-title capability family + +Durable session-title state, one optional asynchronous provider seam, and two opt-in model-backed implementations. The built-in first-message fallback is part of the service, so every composition can title a session without an auxiliary model call. + +| Package | Role | ctx key | +|---|---|---| +| [`session-title/`](session-title/README.md) | Log fold, deterministic fallback, provider registry, and refresh API | `ctx.sessionTitle` | +| [`session-title-llm/`](session-title-llm/README.md) | Shared route, prompt, timeout, stream, and validation helper | — | +| [`session-title-first-message-llm/`](session-title-first-message-llm/README.md) | Optional provider using the first eligible human message | registers on `ctx.sessionTitle` | +| [`session-title-all-messages-llm/`](session-title-all-messages-llm/README.md) | Optional provider using every eligible human message | registers on `ctx.sessionTitle` | + +Only one provider may register at a time. The shared demo spine mounts the fallback service but leaves both model providers outside default composition, so deployments choose auxiliary cost and retitling cadence explicitly. diff --git a/packages/session-title/session-title-all-messages-llm/README.md b/packages/session-title/session-title-all-messages-llm/README.md new file mode 100644 index 0000000000..553064f3a2 --- /dev/null +++ b/packages/session-title/session-title-all-messages-llm/README.md @@ -0,0 +1,26 @@ +# @deepseek-ai/dsh-session-title-all-messages-llm + +Optional `ctx.sessionTitle` provider that summarizes every eligible human message through `ctx.llm`. It registers the `all-user-messages` cadence and starts a new revision after each new human prompt, using seeded history as well as child-session prompts. A newer revision aborts and supersedes older work; even a provider that ignores cancellation cannot commit stale output. + +The plugin uses the complete required [shared LLM configuration](../session-title-llm/README.md#configuration). Omit both `provider` and `model` to inherit the exact route from each current logged main request, or set both to route title generation independently. If aggregate input exceeds `maxInputBytes`, the request fails instead of truncating history; automatic use warns and keeps the prior title. + +## Model Experience + +### All-messages title request + +#### What the model sees + +The title model receives the shared title instruction and a JSON array of all eligible human messages through the current revision, in log order with exact seqs. Seeded history is included. + +#### Token effect + +One auxiliary request may follow every new eligible prompt, bounded per request by `maxInputBytes` and `maxOutputTokens`; explicit refreshes may add calls. The main agent request gains zero tokens. + +#### KV Cache effect + +No main-request invalidation. Auxiliary input grows or changes after each prompt, so provider-specific cache reuse ends at the first changed JSON token. + +## Known Limitations and Deferred Work + +- Input overflow retains the prior title; this provider has no summarization-of-summaries or retention policy for very long sessions. +- It treats all eligible human messages equally and offers no weighting, filtering, or manual-title precedence. diff --git a/packages/session-title/session-title-all-messages-llm/package.json b/packages/session-title/session-title-all-messages-llm/package.json new file mode 100644 index 0000000000..0d87033b38 --- /dev/null +++ b/packages/session-title/session-title-all-messages-llm/package.json @@ -0,0 +1,34 @@ +{ + "name": "@deepseek-ai/dsh-session-title-all-messages-llm", + "description": "All-user-messages LLM provider plugin for DeepSeek Harness session titles", + "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" + }, + "./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-session-title": "^0.0.1", + "@deepseek-ai/dsh-session-title-llm": "^0.0.1", + "cordis": "^4.0.0-rc.7" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", + "@deepseek-ai/dsh-session-title-llm": "workspace:^", + "cordis": "^4.0.0-rc.7" + } +} diff --git a/packages/session-title/session-title-all-messages-llm/src/index.ts b/packages/session-title/session-title-all-messages-llm/src/index.ts new file mode 100644 index 0000000000..3e174bf8c3 --- /dev/null +++ b/packages/session-title/session-title-all-messages-llm/src/index.ts @@ -0,0 +1,36 @@ +/** All-human-messages model provider for `ctx.sessionTitle`. */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { + registerSessionTitleLlmProvider, + SessionTitleLlmConfigFields, +} from '@deepseek-ai/dsh-session-title-llm' +import type { SessionTitleLlmConfig } from '@deepseek-ai/dsh-session-title-llm' + +export const name = 'session-title-all-messages-llm' +export const inject = ['sessionTitle', 'llm'] + +/** Required LLM policy; this plugin adds no defaults. */ +export type Config = SessionTitleLlmConfig +/** Loader schema shared with the first-message provider. */ +/* jscpd:ignore-start -- Loader requires each plugin to export its own statically walkable schema; the field validators remain shared. */ +export const Config: z = z.object({ + targetWords: SessionTitleLlmConfigFields.targetWords, + targetCjkCharacters: SessionTitleLlmConfigFields.targetCjkCharacters, + maxInputBytes: SessionTitleLlmConfigFields.maxInputBytes, + maxOutputTokens: SessionTitleLlmConfigFields.maxOutputTokens, + timeoutMs: SessionTitleLlmConfigFields.timeoutMs, + provider: SessionTitleLlmConfigFields.provider, + model: SessionTitleLlmConfigFields.model, +}) +/* jscpd:ignore-end */ + +/** + * Register the all-user-messages model provider. + * @param ctx - context exposing session-title and LLM services. + * @param config - required route, target, byte, token, and timeout policy. + */ +export function apply(ctx: Context, config: Config): void { + registerSessionTitleLlmProvider(ctx, config, name, 'all-user-messages', messages => messages) +} diff --git a/packages/session-title/session-title-all-messages-llm/tests/provider.spec.ts b/packages/session-title/session-title-all-messages-llm/tests/provider.spec.ts new file mode 100644 index 0000000000..54dee0d0ce --- /dev/null +++ b/packages/session-title/session-title-all-messages-llm/tests/provider.spec.ts @@ -0,0 +1,73 @@ +import { Context } from 'cordis' +import { describe, expect, it } from 'vitest' +import LlmService, { LlmAdapter } from '@deepseek-ai/dsh-llm' +import type { GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' +import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session' +import SessionTitleService from '@deepseek-ai/dsh-session-title' +import * as providerPlugin from '@deepseek-ai/dsh-session-title-all-messages-llm' + +class RecordingAdapter extends LlmAdapter { + readonly requests: GenerateOptions[] = [] + + override async * stream(options: GenerateOptions): AsyncIterable { + this.requests.push(options) + yield { type: 'text-delta', index: 0, text: 'All messages model title' } + yield { type: 'finish', reason: { kind: 'stop' } } + } +} + +const TITLE_CONFIG = { fallbackMaxWords: 5, fallbackMaxBytes: 40, maxTitleBytes: 80 } as const +const LLM_CONFIG = { + targetWords: 5, + targetCjkCharacters: 10, + maxInputBytes: 1_000, + maxOutputTokens: 32, + timeoutMs: 1_000, +} as const + +async function settle(): Promise { + await new Promise(resolve => setTimeout(resolve, 0)) +} + +describe('all-messages LLM title provider', () => { + it('includes seeded history and the latest prompt while inheriting the logged request route', async () => { + const seeded = new Session(SessionId('seed-source')) + seeded.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const inherited = seeded.append('user/message', { + content: [{ type: 'text', text: 'inherited prompt' }], source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + seeded.append('session/title', { + title: 'Inherited fallback', messageSeqs: [inherited.seq], source: { kind: 'fallback' }, + }) + seeded.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, TITLE_CONFIG) + const adapter = new RecordingAdapter() + ctx.llm.registerAdapter(['current-route'], adapter) + await ctx.plugin(providerPlugin, LLM_CONFIG) + const session = ctx.sessions.create(SessionId('all-plugin'), { + seed: seeded.events, + meta: { parentSession: seeded.id, seedLength: seeded.seq }, + }) + session.append('turn/start', { turn: 2, trigger: { kind: 'message', source: { kind: 'user' } } }) + const latest = session.append('user/message', { + content: [{ type: 'text', text: 'latest prompt' }], source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await settle() + session.append('request/header', { + header: { config: { provider: 'current-route', model: 'current-model' } }, reason: 'resume', + }) + await settle() + + expect(adapter.requests[0]).toMatchObject({ provider: 'current-route', model: 'current-model' }) + const content = adapter.requests[0]?.messages[0]?.content[0] + expect(content?.type === 'text' && content.text).toContain('inherited prompt') + expect(content?.type === 'text' && content.text).toContain('latest prompt') + expect(ctx.sessionTitle.get(session)).toMatchObject({ + messageSeqs: [inherited.seq, latest.seq], + }) + }) +}) diff --git a/packages/session-title/session-title-all-messages-llm/tsconfig.json b/packages/session-title/session-title-all-messages-llm/tsconfig.json new file mode 100644 index 0000000000..2e120efa2c --- /dev/null +++ b/packages/session-title/session-title-all-messages-llm/tsconfig.json @@ -0,0 +1,13 @@ +{ + "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": "../session-title" }, + { "path": "../session-title-llm" } + ] +} diff --git a/packages/session-title/session-title-first-message-llm/README.md b/packages/session-title/session-title-first-message-llm/README.md new file mode 100644 index 0000000000..2fb083d05c --- /dev/null +++ b/packages/session-title/session-title-first-message-llm/README.md @@ -0,0 +1,26 @@ +# @deepseek-ai/dsh-session-title-first-message-llm + +Optional `ctx.sessionTitle` provider that summarizes the first eligible human message through `ctx.llm`. It registers the `first-message` cadence, runs automatically only when a fresh non-fork session first creates its fallback, and attributes the result to that message's exact seq. An automatic failure retains the fallback and is retried only through `ctx.sessionTitle.refresh()`. + +The plugin uses the complete required [shared LLM configuration](../session-title-llm/README.md#configuration). Omit both `provider` and `model` to inherit the exact route from the current logged main request, or set both to route title generation independently. + +## Model Experience + +### First-message title request + +#### What the model sees + +The title model receives the shared title instruction and a JSON array containing only the first eligible human message. Later prompts and inherited fork history do not trigger another automatic call. + +#### Token effect + +At most one automatic auxiliary request is made for a fresh session, bounded by `maxInputBytes` and `maxOutputTokens`; explicit refreshes may make additional calls. The main agent request gains zero tokens. + +#### KV Cache effect + +No main-request invalidation. The auxiliary request uses the configured or logged route and has provider-specific cache behavior. + +## Known Limitations and Deferred Work + +- The first message alone may cease to represent a long-running session; use the all-messages provider when later prompts should retitle it. +- A fork keeps its inherited title and never runs this provider automatically, even when its seeded first message came from the parent. diff --git a/packages/session-title/session-title-first-message-llm/package.json b/packages/session-title/session-title-first-message-llm/package.json new file mode 100644 index 0000000000..7d3c4a70fa --- /dev/null +++ b/packages/session-title/session-title-first-message-llm/package.json @@ -0,0 +1,37 @@ +{ + "name": "@deepseek-ai/dsh-session-title-first-message-llm", + "description": "First-message LLM provider plugin for DeepSeek Harness session titles", + "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" + }, + "./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-session-title": "^0.0.1", + "@deepseek-ai/dsh-session-title-llm": "^0.0.1", + "cordis": "^4.0.0-rc.7" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@cordisjs/plugin-include": "workspace:^", + "@cordisjs/plugin-loader": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-llm-deepseek": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", + "@deepseek-ai/dsh-session-title-llm": "workspace:^", + "cordis": "^4.0.0-rc.7" + } +} diff --git a/packages/session-title/session-title-first-message-llm/src/index.ts b/packages/session-title/session-title-first-message-llm/src/index.ts new file mode 100644 index 0000000000..c38c3aa291 --- /dev/null +++ b/packages/session-title/session-title-first-message-llm/src/index.ts @@ -0,0 +1,40 @@ +/** First-human-message model provider for `ctx.sessionTitle`. */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { + registerSessionTitleLlmProvider, + SessionTitleLlmConfigFields, +} from '@deepseek-ai/dsh-session-title-llm' +import type { SessionTitleLlmConfig } from '@deepseek-ai/dsh-session-title-llm' + +export const name = 'session-title-first-message-llm' +export const inject = ['sessionTitle', 'llm'] + +/** Required LLM policy; this plugin adds no defaults. */ +export type Config = SessionTitleLlmConfig +/** Loader schema shared with the all-messages provider. */ +/* jscpd:ignore-start -- Loader requires each plugin to export its own statically walkable schema; the field validators remain shared. */ +export const Config: z = z.object({ + targetWords: SessionTitleLlmConfigFields.targetWords, + targetCjkCharacters: SessionTitleLlmConfigFields.targetCjkCharacters, + maxInputBytes: SessionTitleLlmConfigFields.maxInputBytes, + maxOutputTokens: SessionTitleLlmConfigFields.maxOutputTokens, + timeoutMs: SessionTitleLlmConfigFields.timeoutMs, + provider: SessionTitleLlmConfigFields.provider, + model: SessionTitleLlmConfigFields.model, +}) +/* jscpd:ignore-end */ + +/** + * Register the first-message model provider. + * @param ctx - context exposing session-title and LLM services. + * @param config - required route, target, byte, token, and timeout policy. + */ +export function apply(ctx: Context, config: Config): void { + registerSessionTitleLlmProvider(ctx, config, name, 'first-message', (messages) => { + const first = messages[0] + if (first === undefined) throw new Error('first-message title provider requires one human message') + return [first] + }) +} diff --git a/packages/session-title/session-title-first-message-llm/tests/loader-composition.spec.ts b/packages/session-title/session-title-first-message-llm/tests/loader-composition.spec.ts new file mode 100644 index 0000000000..014402a147 --- /dev/null +++ b/packages/session-title/session-title-first-message-llm/tests/loader-composition.spec.ts @@ -0,0 +1,120 @@ +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import Loader from '@cordisjs/plugin-loader' +import Include from '@cordisjs/plugin-include' +import { mkdtemp, rm, writeFile } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { pathToFileURL } from 'node:url' +import LlmService, { LlmAdapter } from '@deepseek-ai/dsh-llm' +import type { GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' +import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' +import SessionTitleService from '@deepseek-ai/dsh-session-title' +import * as providerPlugin from '@deepseek-ai/dsh-session-title-first-message-llm' + +let root: string | undefined +let context: Context | undefined + +class LoaderAdapter extends LlmAdapter { + readonly requests: GenerateOptions[] = [] + + override async * stream(options: GenerateOptions): AsyncIterable { + this.requests.push(options) + yield { type: 'text-delta', index: 0, text: 'Loader composed title' } + yield { type: 'finish', reason: { kind: 'stop' } } + } +} + +afterEach(async () => { + await context?.fiber.dispose() + context = undefined + if (root !== undefined) await rm(root, { recursive: true, force: true }) + root = undefined +}) + +async function loadComposition(): Promise { + root = await mkdtemp(join(tmpdir(), 'dsh-title-loader-')) + const configPath = join(root, 'cordis.yml') + await writeFile(configPath, [ + "- name: '@deepseek-ai/dsh-llm'", + "- name: '@deepseek-ai/dsh-session'", + "- name: '@deepseek-ai/dsh-session-title'", + ' config:', + ' fallbackMaxWords: 5', + ' fallbackMaxBytes: 40', + ' maxTitleBytes: 80', + "- name: '@deepseek-ai/dsh-session-title-first-message-llm'", + ' config:', + ' targetWords: 5', + ' targetCjkCharacters: 10', + ' maxInputBytes: 1000', + ' maxOutputTokens: 32', + ' timeoutMs: 1000', + " provider: 'title-route'", + " model: 'title-model'", + '', + ].join('\n')) + + context = new Context() + context.baseUrl = pathToFileURL(root).href + '/' + await context.plugin(Loader) + context.loader.builtins.include = Include + const modules = new Map([ + ['@deepseek-ai/dsh-llm', LlmService], + ['@deepseek-ai/dsh-session', SessionStore], + ['@deepseek-ai/dsh-session-title', SessionTitleService], + ['@deepseek-ai/dsh-session-title-first-message-llm', providerPlugin], + ]) + context.loader.internal = { + version: 'v2', + async import(specifier: string) { + if (!modules.has(specifier)) throw new Error(`unexpected Loader import: ${specifier}`) + return modules.get(specifier) + }, + } as unknown as NonNullable + await context.loader.create({ + name: 'cordis:include', + config: { path: pathToFileURL(configPath).href }, + }) + await context.loader.await() + return context +} + +describe('session-title Loader composition', () => { + it('loads the service and one model provider with required deployment policy', async () => { + const ctx = await loadComposition() + const unloaded = [...ctx.loader.entries()] + .filter(entry => entry.fiber === undefined && !entry.disabled) + .map(entry => entry.options.name) + expect(unloaded).toEqual([]) + + const adapter = new LoaderAdapter() + ctx.llm.registerAdapter(['title-route'], adapter) + const session = ctx.sessions.create(SessionId('loader-title')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const message = session.append('user/message', { + content: [{ type: 'text', text: 'Compose a title through Loader' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await new Promise(resolve => setTimeout(resolve, 0)) + session.append('request/header', { + header: { config: { provider: 'main-route', model: 'main-model' } }, + reason: 'initial', + }) + await new Promise(resolve => setTimeout(resolve, 0)) + + expect(adapter.requests[0]).toMatchObject({ provider: 'title-route', model: 'title-model' }) + expect(ctx.sessionTitle.get(session)).toMatchObject({ + title: 'Loader composed title', + messageSeqs: [message.seq], + source: { + kind: 'provider', + provider: 'session-title-first-message-llm', + model: { provider: 'title-route', model: 'title-model' }, + }, + }) + }) +}) diff --git a/packages/session-title/session-title-first-message-llm/tests/provider.e2e.ts b/packages/session-title/session-title-first-message-llm/tests/provider.e2e.ts new file mode 100644 index 0000000000..30873e6e80 --- /dev/null +++ b/packages/session-title/session-title-first-message-llm/tests/provider.e2e.ts @@ -0,0 +1,59 @@ +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' +import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' +import SessionTitleService from '@deepseek-ai/dsh-session-title' +import * as FirstMessageTitleProvider from '@deepseek-ai/dsh-session-title-first-message-llm' + +const contexts: Context[] = [] + +afterEach(async () => { + await Promise.all(contexts.splice(0).map(ctx => ctx.fiber.dispose())) +}) + +describe.skipIf(!process.env.DEEPSEEK_API_KEY)('first-message title provider with real DeepSeek API', () => { + it('replaces the fallback with a short model title', async () => { + const ctx = new Context() + contexts.push(ctx) + await ctx.plugin(LlmService) + await ctx.plugin(LlmDeepSeek, { thinking: 'disabled' }) + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, { + fallbackMaxWords: 5, + fallbackMaxBytes: 40, + maxTitleBytes: 80, + }) + await ctx.plugin(FirstMessageTitleProvider, { + targetWords: 5, + targetCjkCharacters: 10, + maxInputBytes: 4_096, + maxOutputTokens: 64, + timeoutMs: 60_000, + provider: 'deepseek', + model: 'deepseek-v4-flash', + }) + const session = ctx.sessions.create(SessionId('real-title-provider')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const message = session.append('user/message', { + content: [{ type: 'text', text: 'Explain why append-only logs make session titles durable.' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + + const title = await ctx.sessionTitle.refresh(session) + + expect(title).toMatchObject({ + messageSeqs: [message.seq], + source: { + kind: 'provider', + provider: 'session-title-first-message-llm', + model: { provider: 'deepseek', model: 'deepseek-v4-flash' }, + }, + }) + expect(title?.title.length).toBeGreaterThan(0) + expect(Buffer.byteLength(title?.title ?? '', 'utf8')).toBeLessThanOrEqual(80) + }) +}) diff --git a/packages/session-title/session-title-first-message-llm/tests/provider.spec.ts b/packages/session-title/session-title-first-message-llm/tests/provider.spec.ts new file mode 100644 index 0000000000..c42b24ad13 --- /dev/null +++ b/packages/session-title/session-title-first-message-llm/tests/provider.spec.ts @@ -0,0 +1,86 @@ +import { Context } from 'cordis' +import { describe, expect, it, vi } from 'vitest' +import LlmService, { LlmAdapter } from '@deepseek-ai/dsh-llm' +import type { GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' +import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session' +import SessionTitleService, { type SessionTitleProvider } from '@deepseek-ai/dsh-session-title' +import * as providerPlugin from '@deepseek-ai/dsh-session-title-first-message-llm' + +class RecordingAdapter extends LlmAdapter { + readonly requests: GenerateOptions[] = [] + + override async * stream(options: GenerateOptions): AsyncIterable { + this.requests.push(options) + yield { type: 'text-delta', index: 0, text: 'First-message model title' } + yield { type: 'finish', reason: { kind: 'stop' } } + } +} + +const TITLE_CONFIG = { fallbackMaxWords: 5, fallbackMaxBytes: 40, maxTitleBytes: 80 } as const +const LLM_CONFIG = { + targetWords: 5, + targetCjkCharacters: 10, + maxInputBytes: 1_000, + maxOutputTokens: 32, + timeoutMs: 1_000, + provider: 'title-route', + model: 'title-model', +} as const + +async function settle(): Promise { + await new Promise(resolve => setTimeout(resolve, 0)) +} + +describe('first-message LLM title provider', () => { + it('rejects an impossible empty provider request at its own boundary', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, TITLE_CONFIG) + let registered: SessionTitleProvider | undefined + vi.spyOn(ctx.sessionTitle, 'register').mockImplementation((provider) => { + registered = provider + return () => undefined + }) + providerPlugin.apply(ctx, LLM_CONFIG) + + await expect(registered!.generate({ + session: new Session(SessionId('empty-first-provider')), + messages: [], + signal: new AbortController().signal, + })).rejects.toThrow(/requires one human message/) + }) + + it('always selects only the first eligible human message, including explicit refresh', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, TITLE_CONFIG) + const adapter = new RecordingAdapter() + ctx.llm.registerAdapter(['title-route'], adapter) + await ctx.plugin(providerPlugin, LLM_CONFIG) + const session = ctx.sessions.create(SessionId('first-plugin')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const first = session.append('user/message', { + content: [{ type: 'text', text: 'first input' }], source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await settle() + session.append('request/header', { + header: { config: { provider: 'main', model: 'main-model' } }, reason: 'initial', + }) + await settle() + session.append('user/message', { + content: [{ type: 'text', text: 'second input must be ignored' }], source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + + await ctx.sessionTitle.refresh(session) + + expect(adapter.requests).toHaveLength(2) + for (const options of adapter.requests) { + const content = options.messages[0]?.content[0] + expect(content?.type === 'text' && content.text).toContain('first input') + expect(content?.type === 'text' && content.text).not.toContain('second input must be ignored') + } + expect(ctx.sessionTitle.get(session)).toMatchObject({ messageSeqs: [first.seq] }) + }) +}) diff --git a/packages/session-title/session-title-first-message-llm/tsconfig.json b/packages/session-title/session-title-first-message-llm/tsconfig.json new file mode 100644 index 0000000000..2e120efa2c --- /dev/null +++ b/packages/session-title/session-title-first-message-llm/tsconfig.json @@ -0,0 +1,13 @@ +{ + "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": "../session-title" }, + { "path": "../session-title-llm" } + ] +} diff --git a/packages/session-title/session-title-llm/README.md b/packages/session-title/session-title-llm/README.md new file mode 100644 index 0000000000..441d2f9215 --- /dev/null +++ b/packages/session-title/session-title-llm/README.md @@ -0,0 +1,43 @@ +# @deepseek-ai/dsh-session-title-llm + +Shared implementation policy for model-backed session-title providers. It resolves the auxiliary route, frames exact selected human messages as JSON, applies a language-aware title instruction, enforces input and output budgets, composes timeout and caller cancellation, assembles the stream, and returns normalized text with exact source seqs and model provenance. + +This package is a library, not a Cordis plugin. The provider plugins call `registerSessionTitleLlmProvider()` with their cadence and message selector; it validates shared config and delegates each revision to `generateSessionTitleWithLlm()`, so registration, route, prompt, cancellation, and validation behavior cannot drift between them. + +## Route and failure contract + +`provider` and `model` overrides are optional but must be supplied together as non-empty strings. Without that pair, the helper uses the exact provider/model route captured from the current session's logged `request/header`; an explicit refresh before any route exists therefore needs overrides. Input exceeding `maxInputBytes` rejects instead of being truncated. Timeout, cancellation, malformed or empty output, tool calls, and non-stop finish reasons also reject; the session-title service decides whether that rejection is an automatic warning or an explicit caller failure. + +## Configuration + +Every field is required except the paired route override; there are no library defaults. + +| Key | Contract | +|---|---| +| `targetWords` | Positive target word count for non-CJK titles. | +| `targetCjkCharacters` | Positive target character count for Chinese, Japanese, or Korean titles. | +| `maxInputBytes` | Positive aggregate UTF-8 byte ceiling across selected messages. | +| `maxOutputTokens` | Positive auxiliary generation token cap. | +| `timeoutMs` | Positive end-to-end deadline within the runtime timer limit. | +| `provider`, `model` | Optional explicit route; both or neither. | + +## Model Experience + +### Auxiliary title request + +#### What the model sees + +The title model receives a fixed system instruction to return one concise unadorned title in the input language, including the configured word and CJK-character targets. Its one user message contains a JSON array of the exact selected human messages and their seqs. + +#### Token effect + +The auxiliary request consumes tokens according to selected input size and `maxOutputTokens`. It is separate from the main agent request and does not add title text or framing to agent history. + +#### KV Cache effect + +No main-request invalidation. Auxiliary cache reuse is provider-specific; the fixed instruction is reusable while the JSON message array changes with each revision. + +## Known Limitations and Deferred Work + +- The helper accepts text output only and rejects tool calls; structured-output adapters and provider-specific prompt variants are not exposed. +- It enforces a byte ceiling for the whole selected input rather than clipping individual messages or applying a retention policy. diff --git a/packages/session-title/session-title-llm/package.json b/packages/session-title/session-title-llm/package.json new file mode 100644 index 0000000000..1d81378a00 --- /dev/null +++ b/packages/session-title/session-title-llm/package.json @@ -0,0 +1,40 @@ +{ + "name": "@deepseek-ai/dsh-session-title-llm", + "description": "Shared LLM generation policy for DeepSeek Harness session-title providers", + "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-session-title": "^0.0.1", + "@deepseek-ai/dsh-timeout": "^0.0.1", + "cordis": "^4.0.0-rc.7" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", + "@deepseek-ai/dsh-timeout": "workspace:^", + "cordis": "^4.0.0-rc.7" + } +} diff --git a/packages/session-title/session-title-llm/src/index.ts b/packages/session-title/session-title-llm/src/index.ts new file mode 100644 index 0000000000..f09732555a --- /dev/null +++ b/packages/session-title/session-title-llm/src/index.ts @@ -0,0 +1,245 @@ +/** + * Shared route, framing, timeout, assembly, and validation policy for + * model-backed session-title providers. + * @module @deepseek-ai/dsh-session-title-llm + */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { BlockAssembler, deepFreeze } from '@deepseek-ai/dsh-llm' +import type { FinishReason, GenerateOptions } from '@deepseek-ai/dsh-llm' +import { deadline, MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout' +import { normalizeSessionTitle, SessionTitleProviderId } from '@deepseek-ai/dsh-session-title' +import type { + SessionTitleAutomaticMode, + SessionTitleModelProvenance, + SessionTitleProviderRequest, + SessionTitleProviderResult, + SessionTitleUserMessage, +} from '@deepseek-ai/dsh-session-title' + +/** Capability-owned timeout reason code for auxiliary title requests. */ +export const SESSION_TITLE_TIMEOUT_CODE = 'SESSION_TITLE_TIMEOUT' + +/** Required deployment policy for one model-backed title plugin. */ +export interface SessionTitleLlmConfig { + /** Target word count for non-CJK titles. */ + readonly targetWords: number + /** Target character count for Chinese, Japanese, or Korean titles. */ + readonly targetCjkCharacters: number + /** Maximum total UTF-8 bytes across selected source-message text. */ + readonly maxInputBytes: number + /** Auxiliary generation output-token cap. */ + readonly maxOutputTokens: number + /** End-to-end auxiliary request deadline in milliseconds. */ + readonly timeoutMs: number + /** Optional explicit provider route; must be paired with `model`. */ + readonly provider?: string + /** Optional explicit model id; must be paired with `provider`. */ + readonly model?: string +} + +/** Validated immutable model-provider policy. */ +export interface ResolvedSessionTitleLlmConfig extends SessionTitleLlmConfig {} + +/** Shared Loader field schemas with no library defaults. */ +export const SessionTitleLlmConfigFields = { + targetWords: z.number().step(1).min(1).required(), + targetCjkCharacters: z.number().step(1).min(1).required(), + maxInputBytes: z.number().step(1).min(1).required(), + maxOutputTokens: z.number().step(1).min(1).required(), + timeoutMs: z.number().step(1).min(1).max(MAX_TIMER_DELAY_MS).required(), + provider: z.string(), + model: z.string(), +} + +/** Shared Loader schema with no library defaults. */ +export const SessionTitleLlmConfigSchema: z = z.object(SessionTitleLlmConfigFields) + +/** Complete configuration key set for direct construction validation. */ +const CONFIG_KEYS: ReadonlySet = new Set([ + 'targetWords', + 'targetCjkCharacters', + 'maxInputBytes', + 'maxOutputTokens', + 'timeoutMs', + 'provider', + 'model', +]) + +/** Validate one positive integer limit. */ +function assertPositiveInteger(name: string, value: number): void { + if (!Number.isInteger(value) || value <= 0) { + throw new Error(`session-title-llm: ${name} must be a positive integer`) + } +} + +/** + * Validate and detach required model-provider configuration. + * @param config - untrusted plugin configuration. + * @returns immutable policy with optional route absence preserved. + */ +export function resolveSessionTitleLlmConfig( + config: SessionTitleLlmConfig, +): ResolvedSessionTitleLlmConfig { + const candidate: unknown = config + if (candidate === null || typeof candidate !== 'object') { + throw new Error('session-title-llm: configuration is required') + } + const value = candidate as SessionTitleLlmConfig + for (const key of Object.keys(value)) { + if (!CONFIG_KEYS.has(key)) throw new Error(`session-title-llm: unknown config key "${key}"`) + } + assertPositiveInteger('targetWords', value.targetWords) + assertPositiveInteger('targetCjkCharacters', value.targetCjkCharacters) + assertPositiveInteger('maxInputBytes', value.maxInputBytes) + assertPositiveInteger('maxOutputTokens', value.maxOutputTokens) + assertPositiveInteger('timeoutMs', value.timeoutMs) + if (value.timeoutMs > MAX_TIMER_DELAY_MS) { + throw new Error(`session-title-llm: timeoutMs must not exceed ${MAX_TIMER_DELAY_MS}`) + } + const hasProvider = value.provider !== undefined + const hasModel = value.model !== undefined + if (hasProvider !== hasModel) { + throw new Error('session-title-llm: provider and model must be supplied together') + } + if (hasProvider + && (typeof value.provider !== 'string' || value.provider.length === 0 + || typeof value.model !== 'string' || value.model.length === 0)) { + throw new Error('session-title-llm: provider and model overrides must be non-empty strings') + } + return deepFreeze({ ...value }) +} + +/** Select the provider-owned message subset from one fixed service revision. */ +export type SessionTitleLlmMessageSelector = ( + messages: readonly SessionTitleUserMessage[], +) => readonly SessionTitleUserMessage[] + +/** + * Register one model-backed provider through the shared configuration and call policy. + * @param ctx - context exposing the title and LLM services. + * @param config - untrusted required deployment policy. + * @param id - stable plugin identity recorded in title provenance. + * @param automatic - provider-owned automatic generation cadence. + * @param selectMessages - exact source-message selection for one revision. + */ +export function registerSessionTitleLlmProvider( + ctx: Context, + config: SessionTitleLlmConfig, + id: string, + automatic: SessionTitleAutomaticMode, + selectMessages: SessionTitleLlmMessageSelector, +): void { + const resolved = resolveSessionTitleLlmConfig(config) + ctx.sessionTitle.register({ + id: SessionTitleProviderId(id), + automatic, + async generate(request) { + return generateSessionTitleWithLlm(ctx, resolved, request, selectMessages(request.messages)) + }, + }) +} + +/** Resolve the explicit pair or the exact route captured from `request/header`. */ +function resolveRoute( + config: ResolvedSessionTitleLlmConfig, + request: SessionTitleProviderRequest, +): SessionTitleModelProvenance { + if (config.provider !== undefined && config.model !== undefined) { + return { provider: config.provider, model: config.model } + } + if (request.route === undefined) { + throw new Error('session-title-llm: no logged request route is available; configure provider and model together') + } + return request.route +} + +/** Stable language-aware system instruction shared by both provider plugins. */ +function systemPrompt(config: ResolvedSessionTitleLlmConfig): string { + return [ + 'Create a concise title for an AI coding-assistant session from the supplied human messages.', + 'Return only the title on one line, with no quotes, prefix, explanation, Markdown, or terminal control codes.', + 'Use the language of the messages.', + `Aim for about ${config.targetWords} words in non-CJK languages or ${config.targetCjkCharacters} CJK characters.`, + ].join('\n') +} + +/** Frame exact messages as JSON so user text cannot break structural delimiters. */ +function frameMessages(messages: readonly SessionTitleUserMessage[]): string { + return `Generate the session title from this JSON array of human messages:\n${JSON.stringify(messages)}` +} + +/** Translate terminal finish reasons into an auxiliary-call failure. */ +function finishError(finish: FinishReason): Error | undefined { + switch (finish.kind) { + case 'stop': + return undefined + case 'error': + case 'aborted': { + const error = new Error(finish.failure.message) as Error & { code?: string } + error.code = finish.failure.code + return error + } + case 'max-tokens': + return new Error('session-title-llm: title output reached maxOutputTokens') + case 'tool-calls': + return new Error('session-title-llm: title model unexpectedly requested a tool') + default: + return new Error(`session-title-llm: unsupported finish reason "${String((finish as { kind?: unknown }).kind)}"`) + } +} + +/** + * Generate one title through the shared auxiliary LLM call. + * @param ctx - context exposing the registered LLM service. + * @param config - validated model-provider policy. + * @param request - service-owned session, route, message snapshot, and cancellation. + * @param selectedMessages - exact provider-selected subset to frame and attribute. + * @returns normalized non-empty title, exact source seqs, and used model route. + */ +export async function generateSessionTitleWithLlm( + ctx: Context, + config: ResolvedSessionTitleLlmConfig, + request: SessionTitleProviderRequest, + selectedMessages: readonly SessionTitleUserMessage[], +): Promise { + request.signal.throwIfAborted() + if (selectedMessages.length === 0) { + throw new Error('session-title-llm: at least one source message is required') + } + const inputBytes = selectedMessages.reduce((total, message) => total + Buffer.byteLength(message.text, 'utf8'), 0) + if (inputBytes > config.maxInputBytes) { + throw new Error(`session-title-llm: input is ${inputBytes} bytes, exceeding maxInputBytes ${config.maxInputBytes}`) + } + const route = resolveRoute(config, request) + using callDeadline = deadline(request.signal, config.timeoutMs, SESSION_TITLE_TIMEOUT_CODE) + const options: GenerateOptions = { + provider: route.provider, + model: route.model, + messages: [{ role: 'user', content: [{ type: 'text', text: frameMessages(selectedMessages) }] }], + system: systemPrompt(config), + maxTokens: config.maxOutputTokens, + sessionId: request.session.id, + signal: callDeadline.signal, + } + const assembler = new BlockAssembler() + for await (const chunk of ctx.llm.stream(options)) assembler.push(chunk) + const terminalError = finishError(assembler.finish) + if (terminalError !== undefined) throw terminalError + const blocks = assembler.message().content + if (blocks.some(block => block.type === 'tool-call')) { + throw new Error('session-title-llm: title output must contain text only') + } + const text = blocks + .filter((block): block is Extract<(typeof blocks)[number], { type: 'text' }> => block.type === 'text') + .map(block => block.text) + .join(' ') + const title = normalizeSessionTitle(text, Number.MAX_SAFE_INTEGER) + if (title.length === 0) throw new Error('session-title-llm: title model produced no text') + return { + title, + messageSeqs: selectedMessages.map(message => message.seq), + model: route, + } +} diff --git a/packages/session-title/session-title-llm/tests/llm.spec.ts b/packages/session-title/session-title-llm/tests/llm.spec.ts new file mode 100644 index 0000000000..f5195ede79 --- /dev/null +++ b/packages/session-title/session-title-llm/tests/llm.spec.ts @@ -0,0 +1,266 @@ +import { Context } from 'cordis' +import { describe, expect, it, vi } from 'vitest' +import LlmService, { CallId, LlmAdapter } from '@deepseek-ai/dsh-llm' +import type { FinishReason, GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' +import { Session, SessionId } from '@deepseek-ai/dsh-session' +import type { SessionTitleProviderRequest } from '@deepseek-ai/dsh-session-title' +import { MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout' +import { + generateSessionTitleWithLlm, + resolveSessionTitleLlmConfig, + SESSION_TITLE_TIMEOUT_CODE, +} from '@deepseek-ai/dsh-session-title-llm' +import type { SessionTitleLlmConfig } from '@deepseek-ai/dsh-session-title-llm' + +class RecordingAdapter extends LlmAdapter { + readonly requests: GenerateOptions[] = [] + + constructor(private readonly script: readonly StreamChunk[]) { + super() + } + + override async * stream(options: GenerateOptions): AsyncIterable { + this.requests.push(options) + yield * this.script + } +} + +class CooperativeAdapter extends LlmAdapter { + override async * stream(options: GenerateOptions): AsyncIterable { + const signal = options.signal + if (signal === undefined) throw new Error('expected title request signal') + await new Promise((_resolve, reject) => { + const rejectAbort = (): void => { + // eslint-disable-next-line @typescript-eslint/prefer-promise-reject-errors -- exercise exact AbortSignal.reason propagation + reject(signal.reason) + } + if (signal.aborted) { + rejectAbort() + return + } + signal.addEventListener('abort', rejectAbort, { once: true }) + }) + } +} + +const SCRIPT: StreamChunk[] = [ + { type: 'block-start', index: 0, blockType: 'text' }, + { type: 'text-delta', index: 0, text: ' 五个字标题 ' }, + { type: 'finish', reason: { kind: 'stop' } }, +] + +const CONFIG = { + targetWords: 5, + targetCjkCharacters: 10, + maxInputBytes: 1_000, + maxOutputTokens: 32, + timeoutMs: 1_000, +} as const + +function request(signal = new AbortController().signal): SessionTitleProviderRequest { + return { + session: new Session(SessionId('title-call')), + messages: [ + { seq: 2, text: 'first prompt' }, + { seq: 9, text: '第二个问题' }, + ], + route: { provider: 'current-route', model: 'current-model' }, + signal, + } +} + +function requestWithoutRoute(signal = new AbortController().signal): SessionTitleProviderRequest { + return { + session: new Session(SessionId('title-call-no-route')), + messages: [{ seq: 2, text: 'first prompt' }], + signal, + } +} + +async function withScript(script: readonly StreamChunk[]): Promise<{ + ctx: Context + adapter: RecordingAdapter +}> { + const ctx = new Context() + await ctx.plugin(LlmService) + const adapter = new RecordingAdapter(script) + ctx.llm.registerAdapter(['current-route'], adapter) + return { ctx, adapter } +} + +describe('generateSessionTitleWithLlm', () => { + it('uses the exact logged route, language targets, full framed input, and output token cap', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + const adapter = new RecordingAdapter(SCRIPT) + ctx.llm.registerAdapter(['current-route'], adapter) + + const result = await generateSessionTitleWithLlm( + ctx, + resolveSessionTitleLlmConfig(CONFIG), + request(), + request().messages, + ) + + expect(result).toEqual({ + title: '五个字标题', + messageSeqs: [2, 9], + model: { provider: 'current-route', model: 'current-model' }, + }) + expect(adapter.requests).toHaveLength(1) + const options = adapter.requests[0]! + expect(options).toMatchObject({ + provider: 'current-route', + model: 'current-model', + maxTokens: 32, + sessionId: SessionId('title-call'), + }) + expect(options.system).toContain('5 words') + expect(options.system).toContain('10 CJK characters') + const prompt = options.messages[0]?.content[0] + expect(prompt?.type === 'text' && prompt.text).toContain('first prompt') + expect(prompt?.type === 'text' && prompt.text).toContain('第二个问题') + }) + + it('uses paired explicit overrides and rejects an oversized input without calling the model', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + const adapter = new RecordingAdapter(SCRIPT) + ctx.llm.registerAdapter(['explicit-route'], adapter) + const config = resolveSessionTitleLlmConfig({ + ...CONFIG, + provider: 'explicit-route', + model: 'explicit-model', + maxInputBytes: 4, + }) + + await expect(generateSessionTitleWithLlm(ctx, config, request(), request().messages)) + .rejects.toThrow(/input.*bytes.*maxInputBytes/i) + expect(adapter.requests).toEqual([]) + + const withinLimit = resolveSessionTitleLlmConfig({ ...config, maxInputBytes: 1_000 }) + await generateSessionTitleWithLlm(ctx, withinLimit, request(), [request().messages[0]!]) + expect(adapter.requests[0]).toMatchObject({ + provider: 'explicit-route', + model: 'explicit-model', + }) + }) + + it('requires every deployment limit and a complete optional route pair', () => { + expect(() => resolveSessionTitleLlmConfig(undefined as never)).toThrow(/configuration is required/) + expect(() => resolveSessionTitleLlmConfig(null as never)).toThrow(/configuration is required/) + expect(() => resolveSessionTitleLlmConfig('invalid' as never)).toThrow(/configuration is required/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, extra: true } as SessionTitleLlmConfig)) + .toThrow(/unknown config key "extra"/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, targetWords: 0 })) + .toThrow(/targetWords.*positive integer/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, targetWords: 1.5 })) + .toThrow(/targetWords.*positive integer/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, provider: 'only-provider' })) + .toThrow(/provider and model must be supplied together/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, model: 'only-model' })) + .toThrow(/provider and model must be supplied together/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, provider: '', model: 'model' })) + .toThrow(/overrides must be non-empty strings/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, provider: 'provider', model: '' })) + .toThrow(/overrides must be non-empty strings/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, provider: 1, model: 'model' } as never)) + .toThrow(/overrides must be non-empty strings/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, provider: 'provider', model: 1 } as never)) + .toThrow(/overrides must be non-empty strings/) + expect(() => resolveSessionTitleLlmConfig({ ...CONFIG, timeoutMs: MAX_TIMER_DELAY_MS + 1 })) + .toThrow(/timeoutMs must not exceed/) + expect(() => resolveSessionTitleLlmConfig(CONFIG)).not.toThrow() + }) + + it('rejects an absent route, empty selection, and pre-aborted caller before model dispatch', async () => { + const { ctx, adapter } = await withScript(SCRIPT) + const config = resolveSessionTitleLlmConfig(CONFIG) + await expect(generateSessionTitleWithLlm(ctx, config, requestWithoutRoute(), requestWithoutRoute().messages)) + .rejects.toThrow(/no logged request route/) + await expect(generateSessionTitleWithLlm(ctx, config, request(), [])) + .rejects.toThrow(/at least one source message/) + const controller = new AbortController() + controller.abort(new Error('caller stopped')) + await expect(generateSessionTitleWithLlm(ctx, config, request(controller.signal), request().messages)) + .rejects.toThrow('caller stopped') + expect(adapter.requests).toEqual([]) + }) + + it.each([ + [{ kind: 'error', failure: { message: 'provider failed', code: 'SERVER' } }, 'provider failed', 'SERVER'], + [{ kind: 'aborted', failure: { message: 'provider aborted', code: 'ABORTED' } }, 'provider aborted', 'ABORTED'], + ] satisfies Array<[FinishReason, string, string]>)('preserves %s terminal failure details', async (reason, message, code) => { + const { ctx } = await withScript([{ type: 'finish', reason }]) + await expect(generateSessionTitleWithLlm( + ctx, + resolveSessionTitleLlmConfig(CONFIG), + request(), + request().messages, + )).rejects.toMatchObject({ message, code }) + }) + + it.each([ + [{ kind: 'max-tokens' }, /reached maxOutputTokens/], + [{ kind: 'tool-calls' }, /unexpectedly requested a tool/], + [{ kind: 'future-finish' } as never, /unsupported finish reason "future-finish"/], + ] satisfies Array<[FinishReason, RegExp]>)('rejects the terminal finish reason %s', async (reason, error) => { + const { ctx } = await withScript([{ type: 'finish', reason }]) + await expect(generateSessionTitleWithLlm( + ctx, + resolveSessionTitleLlmConfig(CONFIG), + request(), + request().messages, + )).rejects.toThrow(error) + }) + + it('rejects tool-call blocks and a successful response with no text', async () => { + const toolScript: StreamChunk[] = [ + { type: 'block-start', index: 0, blockType: 'tool-call' }, + { type: 'tool-call-delta', index: 0, id: CallId('title-tool'), name: 'unexpected', argumentsDelta: '{}' }, + { type: 'finish', reason: { kind: 'stop' } }, + ] + const tool = await withScript(toolScript) + await expect(generateSessionTitleWithLlm( + tool.ctx, + resolveSessionTitleLlmConfig(CONFIG), + request(), + request().messages, + )).rejects.toThrow(/output must contain text only/) + + const reasoning = await withScript([ + { type: 'block-start', index: 0, blockType: 'reasoning' }, + { type: 'reasoning-delta', index: 0, text: 'no final title' }, + { type: 'finish', reason: { kind: 'stop' } }, + ]) + await expect(generateSessionTitleWithLlm( + reasoning.ctx, + resolveSessionTitleLlmConfig(CONFIG), + request(), + request().messages, + )).rejects.toThrow(/produced no text/) + }) + + it('aborts a cooperative model stream at the configured deadline', async () => { + vi.useFakeTimers() + try { + const ctx = new Context() + await ctx.plugin(LlmService) + ctx.llm.registerAdapter(['current-route'], new CooperativeAdapter()) + const pending = generateSessionTitleWithLlm( + ctx, + resolveSessionTitleLlmConfig({ ...CONFIG, timeoutMs: 10 }), + request(), + request().messages, + ) + const rejected = expect(pending).rejects.toMatchObject({ + code: SESSION_TITLE_TIMEOUT_CODE, + timeoutMs: 10, + }) + await vi.advanceTimersByTimeAsync(10) + await rejected + } finally { + vi.useRealTimers() + } + }) +}) diff --git a/packages/session-title/session-title-llm/tsconfig.json b/packages/session-title/session-title-llm/tsconfig.json new file mode 100644 index 0000000000..f5578e6f37 --- /dev/null +++ b/packages/session-title/session-title-llm/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": "../../../vendor/schemastery" }, + { "path": "../../llm/llm" }, + { "path": "../../util/timeout" }, + { "path": "../session-title" } + ] +} diff --git a/packages/session-title/session-title/README.md b/packages/session-title/session-title/README.md new file mode 100644 index 0000000000..96607bb1e9 --- /dev/null +++ b/packages/session-title/session-title/README.md @@ -0,0 +1,52 @@ +# @deepseek-ai/dsh-session-title + +Log-backed session titles with an immediate deterministic fallback and one optional asynchronous provider. Every accepted revision is a log-only `session/title` event; `foldSessionTitle()` and `ctx.sessionTitle.get()` select the latest event and return its event seq and timestamp. + +Only text blocks from human `user/message` events are eligible. The first eligible prompt schedules a fallback from its first words within the configured UTF-8 byte limit. Whitespace is normalized, terminal control sequences are removed, and truncation never splits a code point. Empty and non-text prompts wait for later eligible input. + +## Service: `SessionTitleService` (ctx key: `sessionTitle`) + +- `get(session)` folds the latest accepted title from a live or replayed log. +- `refresh(session, signal?)` materializes the fallback when needed, then explicitly runs the registered provider over the current eligible messages. Provider errors and caller cancellation reject. +- `register(provider)` installs the sole optional provider and returns its Cordis effect disposer. A second registration throws immediately; disposal aborts pending and active calls before another provider can register. + +Automatic work never delays the main agent response. A provider starts after the matching `request/header` records the main request's exact route; its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. + +Forks inherit title events in their seed unchanged. The first-message cadence does not automatically retitle a child; the all-messages cadence may append a new revision after the child receives a later human prompt. + +## Configuration + +All limits are required; the library supplies no defaults. + +| Key | Contract | +|---|---| +| `fallbackMaxWords` | Positive maximum whitespace-delimited words in the deterministic fallback. | +| `fallbackMaxBytes` | Positive maximum UTF-8 bytes in the fallback; must not exceed `maxTitleBytes`. | +| `maxTitleBytes` | Positive maximum UTF-8 bytes accepted from any source. | + +## Provider contract + +A provider supplies a branded stable id, automatic mode (`first-message` or `all-user-messages`), and `generate(request)`. The request carries the live session, all eligible messages through one fixed revision, the current logged main-request route when available, and cancellation. The result identifies a non-empty title, unique ordered source-message seqs from that request, and optional model provenance. The service normalizes and validates the result before it becomes durable. + +See the [session-title data structures](../../../docs/core-data-structures/session-title.md) and [implemented decision](../../../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md). + +## Model Experience + +### Session title state + +#### What the model sees + +Nothing. `session/title` is log-only and never enters the session surface, `deriveMessages()`, system prompt, tool schemas, or request prefix. + +#### Token effect + +The fallback and accepted provider revisions add zero tokens to the main agent request. An optional provider's separate auxiliary request is documented by that provider package. + +#### KV Cache effect + +None for the main request; title events do not change its reconstructed content or cache key. + +## Known Limitations and Deferred Work + +- Manual rename, title deletion, generated-versus-user precedence, search, and list indexing are outside this service. +- The provider registry deliberately accepts at most one implementation, so a deployment cannot compose competing title strategies without writing one provider that owns their precedence. diff --git a/packages/session-title/session-title/package.json b/packages/session-title/session-title/package.json new file mode 100644 index 0000000000..1582fc2c62 --- /dev/null +++ b/packages/session-title/session-title/package.json @@ -0,0 +1,41 @@ +{ + "name": "@deepseek-ai/dsh-session-title", + "description": "Log-backed session title service and provider registry 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-brand": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", + "cordis": "^4.0.0-rc.7" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^", + "@deepseek-ai/dsh-session-persistence-sqlite": "workspace:^", + "cordis": "^4.0.0-rc.7" + } +} diff --git a/packages/session-title/session-title/src/index.ts b/packages/session-title/session-title/src/index.ts new file mode 100644 index 0000000000..bae2f4df94 --- /dev/null +++ b/packages/session-title/session-title/src/index.ts @@ -0,0 +1,556 @@ +/** + * Log-backed session title service, deterministic fallback, and provider seam. + * @module @deepseek-ai/dsh-session-title + */ + +import { Context, Service } from 'cordis' +import z from 'schemastery' +import type { Branded } from '@deepseek-ai/dsh-brand' +import { deepFreeze } from '@deepseek-ai/dsh-llm' +import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' +import { fallbackSessionTitle, normalizeSessionTitle } from './normalize.ts' + +export { fallbackSessionTitle, normalizeSessionTitle, truncateTitleUtf8 } from './normalize.ts' + +/** Identifies one session-title provider registration. */ +export type SessionTitleProviderId = Branded<'SessionTitleProviderId'> + +/** + * Brand a raw provider id. + * @param id - stable non-empty provider identifier supplied by a plugin. + * @returns the same string with the session-title provider brand. + */ +export function SessionTitleProviderId(id: string): SessionTitleProviderId { + return id as SessionTitleProviderId +} + +/** Exact auxiliary model route that produced a title. */ +export interface SessionTitleModelProvenance { + /** Registered LLM provider route. */ + readonly provider: string + /** Provider model id. */ + readonly model: string +} + +/** Durable ownership record for an accepted session title. */ +export type SessionTitleSource = + | { readonly kind: 'fallback' } + | { + readonly kind: 'provider' + readonly provider: SessionTitleProviderId + readonly model?: SessionTitleModelProvenance + } + +/** Payload of the log-only `session/title` event. */ +export interface SessionTitleEventData { + /** Normalized non-empty title text. */ + readonly title: string + /** Exact human `user/message` seqs used to derive this title. */ + readonly messageSeqs: number[] + /** Built-in fallback or registered-provider provenance. */ + readonly source: SessionTitleSource +} + +/** Latest folded title plus the title event's durable envelope facts. */ +export interface SessionTitleSnapshot extends SessionTitleEventData { + /** Seq of the latest `session/title` event. */ + readonly eventSeq: number + /** Timestamp of the latest `session/title` event. */ + readonly updatedAt: number +} + +/** Required deterministic fallback and accepted-title limits. */ +export interface Config { + /** Maximum whitespace-delimited words in the built-in fallback. */ + readonly fallbackMaxWords: number + /** Maximum UTF-8 bytes in the built-in fallback. */ + readonly fallbackMaxBytes: number + /** Maximum UTF-8 bytes in any accepted title. */ + readonly maxTitleBytes: number +} + +declare module 'cordis' { + interface Context { + sessionTitle: SessionTitleService + } +} + +declare module '@deepseek-ai/dsh-session' { + interface TurnTriggerMap { + /** Zero-step turn opened only to durably append a late title update. */ + 'session-title': { kind: 'session-title' } + } + + interface SessionEventMap { + /** + * Latest-wins session title snapshot. Log-only: it never enters the model + * surface or derived history. + */ + 'session/title': SessionTitleEventData + } + + interface OutOfBandSessionEventMap { + 'session/title': true + } +} + +/** One eligible human text message exposed to title providers. */ +export interface SessionTitleUserMessage { + /** Source `user/message` event seq. */ + readonly seq: number + /** Exact concatenated text-block content. */ + readonly text: string +} + +/** Automatic generation cadence owned by a registered provider. */ +export type SessionTitleAutomaticMode = 'first-message' | 'all-user-messages' + +/** Immutable input supplied to one title-provider call. */ +export interface SessionTitleProviderRequest { + /** Live session being titled. */ + readonly session: Session + /** All eligible human messages through this generation revision. */ + readonly messages: readonly SessionTitleUserMessage[] + /** Exact current logged main-request route, when one has been recorded. */ + readonly route?: SessionTitleModelProvenance + /** Cancellation for supersession, disposal, timeout composition, or the explicit caller. */ + readonly signal: AbortSignal +} + +/** Provider output before service-owned normalization and durable acceptance. */ +export interface SessionTitleProviderResult { + /** Proposed title text. */ + readonly title: string + /** Exact seqs from `request.messages` used by this result. */ + readonly messageSeqs: readonly number[] + /** Auxiliary LLM route, when generation used a model. */ + readonly model?: SessionTitleModelProvenance +} + +/** One optional asynchronous title implementation registered with the service. */ +export interface SessionTitleProvider { + /** Stable provider identity recorded in title provenance. */ + readonly id: SessionTitleProviderId + /** When new human prompts start automatic generation. */ + readonly automatic: SessionTitleAutomaticMode + /** + * Produce one title revision. + * @param request - message snapshot, current route, session, and cancellation. + * @returns proposed title plus exact input seqs and optional model provenance. + */ + generate(request: SessionTitleProviderRequest): Promise +} + +/** + * Collect human text-bearing user messages in log order. + * @param events - session log or persisted replay. + * @param throughSeq - optional inclusive event boundary. + * @returns eligible messages with exact source seqs. + */ +export function collectSessionTitleMessages( + events: readonly SessionEvent[], + throughSeq?: number, +): SessionTitleUserMessage[] { + const messages: SessionTitleUserMessage[] = [] + for (const event of events) { + if (throughSeq !== undefined && event.seq > throughSeq) break + if (event.type !== 'user/message' || event.data.source.kind !== 'user') continue + const text = event.data.content + .filter((block): block is Extract<(typeof event.data.content)[number], { type: 'text' }> => block.type === 'text') + .map(block => block.text) + .join('\n') + if (normalizeSessionTitle(text, Number.MAX_SAFE_INTEGER).length === 0) continue + messages.push({ seq: event.seq, text }) + } + return messages +} + +/** + * Fold the latest logged title without consulting mutable metadata. + * @param events - live or persisted session log. + * @returns the latest immutable title snapshot, or `undefined`. + */ +export function foldSessionTitle(events: readonly SessionEvent[]): SessionTitleSnapshot | undefined { + const event = events.findLast(item => item.type === 'session/title') + if (event === undefined) return undefined + return deepFreeze({ + title: event.data.title, + messageSeqs: [...event.data.messageSeqs], + source: event.data.source.kind === 'fallback' + ? { kind: 'fallback' } + : { + kind: 'provider', + provider: event.data.source.provider, + ...(event.data.source.model === undefined + ? {} + : { model: { ...event.data.source.model } }), + }, + eventSeq: event.seq, + updatedAt: event.time, + }) +} + +/** Service-owned resolved limits. */ +interface ResolvedConfig { + readonly fallbackMaxWords: number + readonly fallbackMaxBytes: number + readonly maxTitleBytes: number +} + +/** One exact provider registration generation. */ +interface ProviderRegistration { + readonly provider: SessionTitleProvider +} + +/** Automatic work waiting for the matching main-request header. */ +interface PendingAutomaticWork { + readonly registration: ProviderRegistration + readonly revision: number + readonly throughSeq: number +} + +/** Provider call currently allowed to commit for one session. */ +interface ActiveProviderWork extends PendingAutomaticWork { + readonly controller: AbortController + readonly signal: AbortSignal +} + +/** Mutable concurrency state scoped to one live session. */ +interface SessionTitleWorkState { + revision: number + pending?: PendingAutomaticWork + active?: ActiveProviderWork +} + +/** Validate one positive integer configuration field. */ +function assertPositiveInteger(name: keyof Config, value: number): void { + if (!Number.isInteger(value) || value <= 0) { + throw new Error(`session-title: ${name} must be a positive integer`) + } +} + +/** Log-backed title fold plus asynchronous fallback generation. */ +export class SessionTitleService extends Service { + static inject = ['sessions'] + static Config: z = z.object({ + fallbackMaxWords: z.number().step(1).min(1).required(), + fallbackMaxBytes: z.number().step(1).min(1).required(), + maxTitleBytes: z.number().step(1).min(1).required(), + }) + + private readonly config: ResolvedConfig + private registration: ProviderRegistration | undefined + private readonly work = new Map() + + constructor(ctx: Context, config: Config) { + super(ctx, 'sessionTitle') + const candidate: unknown = config + if (candidate === null || typeof candidate !== 'object') { + throw new Error('session-title: configuration is required') + } + const value = candidate as Config + assertPositiveInteger('fallbackMaxWords', value.fallbackMaxWords) + assertPositiveInteger('fallbackMaxBytes', value.fallbackMaxBytes) + assertPositiveInteger('maxTitleBytes', value.maxTitleBytes) + if (value.fallbackMaxBytes > value.maxTitleBytes) { + throw new Error('session-title: fallbackMaxBytes must not exceed maxTitleBytes') + } + this.config = deepFreeze({ ...value }) + + ctx.on('session/event', (session, event) => { + switch (event.type) { + case 'user/message': + this.onUserMessage(session, event) + break + case 'request/header': + this.onRequestHeader(session, event) + break + default: + break + } + }) + ctx.on('session/disposed', (session) => { + const state = this.work.get(session) + if (state === undefined) return + state.active?.controller.abort(new Error('session disposed during title generation')) + this.work.delete(session) + }) + } + + /** + * Read the latest folded title from one live or replayed session. + * @param session - session whose log is the title source of truth. + * @returns latest title snapshot, or `undefined` before eligible input. + */ + get(session: Session): SessionTitleSnapshot | undefined { + return foldSessionTitle(session.events) + } + + /** + * Explicitly retry the registered provider, or materialize the built-in + * fallback when no provider is registered. + * @param session - exact live session to refresh. + * @param signal - optional caller cancellation. + * @returns latest accepted title, or `undefined` when no eligible text exists. + */ + async refresh(session: Session, signal?: AbortSignal): Promise { + signal?.throwIfAborted() + if (this.ctx.sessions.get(session.id) !== session) { + throw new Error(`session "${session.id}" is not live in this store`) + } + const fallback = await this.ensureFallback(session) + const registration = this.registration + if (registration === undefined) return fallback + const messages = collectSessionTitleMessages(session.events) + const latest = messages.at(-1) + if (latest === undefined) return fallback + const state = this.stateFor(session) + const revision = this.supersede(state, 'explicit title refresh superseded older generation') + const work = this.activate({ + registration, + revision, + throughSeq: latest.seq, + }, state, signal) + const config = session.requestHeader()?.config + const route = config === undefined ? undefined : { provider: config.provider, model: config.model } + return this.runProvider(session, work, route) + } + + /** + * Register the sole optional title provider. Disposal aborts its pending and + * active work before another provider may register. + * @param provider - provider identity, cadence, and generation function. + * @returns exact Cordis effect disposer for HMR-safe unregistration. + */ + register(provider: SessionTitleProvider): () => void { + this.validateProvider(provider) + if (this.registration !== undefined) { + throw new Error(`session-title provider "${this.registration.provider.id}" is already registered`) + } + const registration: ProviderRegistration = { + provider, + } + const dispose = this.ctx.effect(function* (this: SessionTitleService) { + this.registration = registration + yield () => { + this.registration = undefined + for (const state of this.work.values()) { + delete state.pending + state.active?.controller.abort(new Error(`session-title provider "${provider.id}" was disposed`)) + } + } + }.bind(this), 'sessionTitle.register()') + // eslint-disable-next-line @typescript-eslint/no-misused-promises -- exact effect disposer preserves owner teardown ordering + return dispose + } + + /** Schedule fallback creation and any provider cadence for one eligible event. */ + private onUserMessage(session: Session, event: Extract): void { + if (event.data.source.kind !== 'user' || collectSessionTitleMessages([event]).length === 0) return + const registration = this.registration + if (registration !== undefined) { + const messages = collectSessionTitleMessages(session.events, event.seq) + const shouldSchedule = registration.provider.automatic === 'all-user-messages' + || (session.header.parentSession === undefined && messages.length === 1 && this.get(session) === undefined) + if (shouldSchedule) { + const state = this.stateFor(session) + const revision = this.supersede(state, 'newer user message superseded title generation') + state.pending = { registration, revision, throughSeq: event.seq } + } + } + queueMicrotask(() => { + void this.ensureFallback(session).catch((error: unknown) => { + this.ctx.logger.warn(`session "${session.id}": fallback title update failed: ${String(error)}`) + }) + }) + } + + /** Start pending automatic work only after its exact main-request route is logged. */ + private onRequestHeader(session: Session, event: Extract): void { + const state = this.work.get(session) + const pending = state?.pending + if (state === undefined || pending === undefined || pending.throughSeq >= event.seq) return + delete state.pending + const route = { + provider: event.data.header.config.provider, + model: event.data.header.config.model, + } + queueMicrotask(() => { + if (this.registration !== pending.registration || state.revision !== pending.revision) return + const work = this.activate(pending, state) + void this.runProvider(session, work, route).catch((error: unknown) => { + if (work.signal.aborted) return + this.ctx.logger.warn(`session "${session.id}": automatic title generation failed: ${String(error)}`) + }) + }) + } + + /** Execute and durably accept one current provider revision. */ + private async runProvider( + session: Session, + work: ActiveProviderWork, + route?: SessionTitleModelProvenance, + ): Promise { + try { + await this.ensureFallback(session) + this.assertCurrent(session, work) + const messages = collectSessionTitleMessages(session.events, work.throughSeq) + const result = await work.registration.provider.generate({ + session, + messages, + ...route === undefined ? {} : { route }, + signal: work.signal, + }) + this.assertCurrent(session, work) + const accepted = this.validateResult(result, messages) + await this.ctx.sessions.appendOutOfBand(session, 'session/title', { + title: accepted.title, + messageSeqs: [...accepted.messageSeqs], + source: { + kind: 'provider', + provider: work.registration.provider.id, + ...accepted.model === undefined ? {} : { model: accepted.model }, + }, + }, { kind: 'session-title' }) + return this.get(session) + } finally { + const state = this.work.get(session) + if (state?.active === work) delete state.active + } + } + + /** Validate and normalize provider output against the supplied message snapshot. */ + private validateResult( + result: unknown, + messages: readonly SessionTitleUserMessage[], + ): SessionTitleProviderResult { + if (result === null || typeof result !== 'object') { + throw new Error('session-title provider returned an invalid result') + } + const candidate = result as Record + if (typeof candidate.title !== 'string') throw new Error('session-title provider title must be a string') + const title = normalizeSessionTitle(candidate.title, this.config.maxTitleBytes) + if (title.length === 0) throw new Error('session-title provider returned an empty title') + if (!Array.isArray(candidate.messageSeqs) || candidate.messageSeqs.length === 0) { + throw new Error('session-title provider must identify at least one source message seq') + } + const messageSeqs: number[] = [] + const order = new Map(messages.map((message, index) => [message.seq, index])) + let previous = -1 + for (const seq of candidate.messageSeqs as unknown[]) { + if (typeof seq !== 'number') { + throw new Error('session-title provider messageSeqs must be unique, ordered seqs from the request') + } + const index = order.get(seq) + if (!Number.isSafeInteger(seq) || seq < 0 || index === undefined || index <= previous) { + throw new Error('session-title provider messageSeqs must be unique, ordered seqs from the request') + } + messageSeqs.push(seq) + previous = index + } + const modelCandidate = candidate.model + let model: SessionTitleModelProvenance | undefined + if (modelCandidate !== undefined) { + if (modelCandidate === null || typeof modelCandidate !== 'object') { + throw new Error('session-title provider model provenance requires non-empty provider and model') + } + const record = modelCandidate as Record + if (typeof record.provider !== 'string' || record.provider.length === 0 + || typeof record.model !== 'string' || record.model.length === 0) { + throw new Error('session-title provider model provenance requires non-empty provider and model') + } + model = { provider: record.provider, model: record.model } + } + return { + title, + messageSeqs, + ...(model === undefined ? {} : { model }), + } + } + + /** Fail a completion whose provider, revision, session, or signal is stale. */ + private assertCurrent(session: Session, work: ActiveProviderWork): void { + work.signal.throwIfAborted() + const state = this.work.get(session) + /* v8 ignore next -- every supported supersession, provider disposal, and session disposal aborts + * the work signal before changing this state. */ + if (this.registration !== work.registration + || state?.active !== work + || state.revision !== work.revision + || this.ctx.sessions.get(session.id) !== session) { + throw new Error('session title generation state changed without cancellation') + } + } + + /** Create and publish an active provider call from one fixed revision. */ + private activate( + pending: PendingAutomaticWork, + state: SessionTitleWorkState, + upstream?: AbortSignal, + ): ActiveProviderWork { + const controller = new AbortController() + const signal = upstream === undefined + ? controller.signal + : AbortSignal.any([controller.signal, upstream]) + const work: ActiveProviderWork = { ...pending, controller, signal } + state.active = work + return work + } + + /** Abort older active work and reserve the next session-local revision. */ + private supersede(state: SessionTitleWorkState, reason: string): number { + state.active?.controller.abort(new Error(reason)) + delete state.pending + state.revision += 1 + return state.revision + } + + /** Return mutable work state for one session. */ + private stateFor(session: Session): SessionTitleWorkState { + let state = this.work.get(session) + if (state === undefined) { + state = { revision: 0 } + this.work.set(session, state) + } + return state + } + + /** Reject malformed provider registrations before publishing an effect. */ + private validateProvider(provider: unknown): asserts provider is SessionTitleProvider { + if (provider === null || typeof provider !== 'object') { + throw new Error('session-title provider must be an object') + } + const candidate = provider as Record + if (typeof candidate.id !== 'string' || candidate.id.length === 0) { + throw new Error('session-title provider id must be a non-empty string') + } + if (candidate.automatic !== 'first-message' && candidate.automatic !== 'all-user-messages') { + throw new Error('session-title provider automatic mode is invalid') + } + if (typeof candidate.generate !== 'function') { + throw new Error(`session-title provider "${candidate.id}" requires generate()`) + } + } + + /** Create the first deterministic fallback if the session still lacks a title. */ + private async ensureFallback(session: Session): Promise { + const current = this.get(session) + if (current !== undefined) return current + const [first] = collectSessionTitleMessages(session.events) + if (first === undefined) return undefined + const title = fallbackSessionTitle( + first.text, + this.config.fallbackMaxWords, + this.config.fallbackMaxBytes, + ) + if (title.length === 0) return undefined + await this.ctx.sessions.appendOutOfBand(session, 'session/title', { + title, + messageSeqs: [first.seq], + source: { kind: 'fallback' }, + }, { kind: 'session-title' }) + return this.get(session) + } +} + +export default SessionTitleService diff --git a/packages/session-title/session-title/src/normalize.ts b/packages/session-title/session-title/src/normalize.ts new file mode 100644 index 0000000000..23ab790be2 --- /dev/null +++ b/packages/session-title/session-title/src/normalize.ts @@ -0,0 +1,74 @@ +/** Title text normalization and UTF-8-safe truncation. */ + +/** Operating-system-command escape sequences, including unterminated tails. */ +const OSC_SEQUENCE = /(?:\u001B\]|\u009D)(?:(?!\u0007|\u001B\\)[\s\S])*(?:\u0007|\u001B\\|$)/gu +/** Control-sequence-introducer escapes such as SGR color codes. */ +const CSI_SEQUENCE = /(?:\u001B\[|\u009B)[0-?]*[ -/]*[@-~]/gu +/** Remaining two-byte ESC control sequences. */ +const ESC_SEQUENCE = /\u001B[@-_]/gu +/** Non-whitespace C0/C1 control characters. */ +const CONTROL_CHARACTER = /[\u0000-\u0008\u000B\u000C\u000E-\u001F\u007F-\u009F]/gu +/** Directional and invisible controls that can make a displayed title deceptive. */ +const DIRECTIONAL_CONTROL = /[\u200B\u200E\u200F\u202A-\u202E\u2060-\u2064\u2066-\u206F\uFEFF]/gu + +/** Reject an invalid public text limit. */ +function assertPositiveInteger(name: string, value: number): void { + if (!Number.isInteger(value) || value <= 0) { + throw new Error(`${name} must be a positive integer`) + } +} + +/** Remove controls and produce one trimmed, whitespace-normalized line. */ +function cleanTitleText(input: string): string { + return input + .replace(OSC_SEQUENCE, '') + .replace(CSI_SEQUENCE, '') + .replace(ESC_SEQUENCE, '') + .replace(CONTROL_CHARACTER, '') + .replace(DIRECTIONAL_CONTROL, '') + .replace(/\s+/gu, ' ') + .trim() +} + +/** + * Truncate a string to a UTF-8 byte budget without splitting a Unicode code point. + * @param input - normalized title text. + * @param maxBytes - positive UTF-8 byte budget. + * @returns the longest leading code-point prefix within the budget. + */ +export function truncateTitleUtf8(input: string, maxBytes: number): string { + assertPositiveInteger('maxBytes', maxBytes) + if (Buffer.byteLength(input, 'utf8') <= maxBytes) return input + let used = 0 + let output = '' + for (const character of input) { + const bytes = Buffer.byteLength(character, 'utf8') + if (used + bytes > maxBytes) break + output += character + used += bytes + } + return output +} + +/** + * Normalize one accepted session title and enforce its UTF-8 byte budget. + * @param input - untrusted title text. + * @param maxBytes - positive maximum encoded size. + * @returns a terminal-safe one-line title, possibly empty after sanitization. + */ +export function normalizeSessionTitle(input: string, maxBytes: number): string { + return truncateTitleUtf8(cleanTitleText(input), maxBytes).trimEnd() +} + +/** + * Derive the deterministic first-message fallback. + * @param input - text from the first eligible human message. + * @param maxWords - positive whitespace-delimited word cap. + * @param maxBytes - positive UTF-8 byte cap. + * @returns the normalized leading words within both limits. + */ +export function fallbackSessionTitle(input: string, maxWords: number, maxBytes: number): string { + assertPositiveInteger('maxWords', maxWords) + const words = cleanTitleText(input).split(' ').filter(Boolean).slice(0, maxWords) + return truncateTitleUtf8(words.join(' '), maxBytes).trimEnd() +} diff --git a/packages/session-title/session-title/tests/persistence.spec.ts b/packages/session-title/session-title/tests/persistence.spec.ts new file mode 100644 index 0000000000..9981b0f87c --- /dev/null +++ b/packages/session-title/session-title/tests/persistence.spec.ts @@ -0,0 +1,91 @@ +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' +import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl' +import SessionPersistenceSqlite from '@deepseek-ai/dsh-session-persistence-sqlite' +import SessionTitleService, { foldSessionTitle } from '@deepseek-ai/dsh-session-title' + +const CONFIG = { + fallbackMaxWords: 5, + fallbackMaxBytes: 40, + maxTitleBytes: 80, +} as const + +const roots: string[] = [] + +afterEach(async () => { + for (const root of roots.splice(0)) await rm(root, { recursive: true, force: true }) +}) + +async function appendPersistedTitle(ctx: Context, id: ReturnType): Promise { + const session = ctx.sessions.create(id) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + session.append('user/message', { + content: [{ type: 'text', text: 'Persist this session title' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await new Promise(resolve => setTimeout(resolve, 0)) + session.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + await ctx.parallel('session/flush', session) +} + +async function expectPersistedTitle(ctx: Context, id: ReturnType): Promise { + const loaded = await ctx.sessionPersistence.load(id) + expect(foldSessionTitle(loaded.events)).toMatchObject({ + title: 'Persist this session title', + messageSeqs: [1], + source: { kind: 'fallback' }, + eventSeq: 2, + }) + expect(loaded.events.map(event => event.type)).toEqual([ + 'turn/start', + 'user/message', + 'session/title', + 'turn/end', + ]) +} + +describe('session title persistence round trips', () => { + it('round-trips through a remounted JSONL backend', async () => { + const root = await mkdtemp(join(tmpdir(), 'dsh-title-jsonl-')) + roots.push(root) + const id = SessionId('title-jsonl') + const writer = new Context() + await writer.plugin(SessionStore) + await writer.plugin(SessionPersistenceJsonl, { root, compression: 'none' }) + await writer.plugin(SessionTitleService, CONFIG) + await appendPersistedTitle(writer, id) + await writer.fiber.dispose() + + const reader = new Context() + await reader.plugin(SessionStore) + await reader.plugin(SessionPersistenceJsonl, { root, compression: 'none' }) + await expectPersistedTitle(reader, id) + await reader.fiber.dispose() + }) + + it('round-trips through a remounted SQLite backend', async () => { + const root = await mkdtemp(join(tmpdir(), 'dsh-title-sqlite-')) + roots.push(root) + const path = join(root, 'sessions.db') + const id = SessionId('title-sqlite') + const writer = new Context() + await writer.plugin(SessionStore) + await writer.plugin(SessionPersistenceSqlite, { path }) + await writer.plugin(SessionTitleService, CONFIG) + await appendPersistedTitle(writer, id) + await writer.fiber.dispose() + + const reader = new Context() + await reader.plugin(SessionStore) + await reader.plugin(SessionPersistenceSqlite, { path }) + await expectPersistedTitle(reader, id) + await reader.fiber.dispose() + }) +}) diff --git a/packages/session-title/session-title/tests/provider.spec.ts b/packages/session-title/session-title/tests/provider.spec.ts new file mode 100644 index 0000000000..cb298461da --- /dev/null +++ b/packages/session-title/session-title/tests/provider.spec.ts @@ -0,0 +1,289 @@ +import { Context } from 'cordis' +import { describe, expect, it, vi } from 'vitest' +import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' +import SessionTitleService, { + SessionTitleProviderId, + type SessionTitleProvider, + type SessionTitleProviderRequest, + type SessionTitleProviderResult, +} from '@deepseek-ai/dsh-session-title' + +const CONFIG = { + fallbackMaxWords: 5, + fallbackMaxBytes: 24, + maxTitleBytes: 24, +} as const + +function deferred(): { + promise: Promise + resolve(value: T): void + reject(error: unknown): void +} { + let resolve!: (value: T) => void + let reject!: (error: unknown) => void + const promise = new Promise((accept, decline) => { + resolve = accept + reject = decline + }) + return { promise, resolve, reject } +} + +async function settle(): Promise { + await new Promise(resolve => setTimeout(resolve, 0)) +} + +function appendHumanPrompt(session: ReturnType, text: string) { + return session.append('user/message', { + content: [{ type: 'text', text }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) +} + +function appendRoute(session: ReturnType, reason: 'initial' | 'change' = 'initial'): void { + session.append('request/header', { + header: { config: { provider: 'main-route', model: 'chat-model' } }, + reason, + }) +} + +describe('SessionTitleService provider lifecycle', () => { + it('inherits title events across forks, skips first-message retitling, and lets all-messages update later', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const parent = ctx.sessions.create(SessionId('title-parent')) + parent.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const inheritedMessage = appendHumanPrompt(parent, 'Inherited title prompt') + await settle() + parent.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + + const child = ctx.sessions.fork(parent, undefined, SessionId('title-child')) + expect(ctx.sessionTitle.get(child)).toEqual(ctx.sessionTitle.get(parent)) + expect(child.events.find(event => event.type === 'session/title')) + .toEqual(parent.events.find(event => event.type === 'session/title')) + + const firstGenerate = vi.fn(async (request: SessionTitleProviderRequest) => ({ + title: 'Should not run', + messageSeqs: [request.messages[0]!.seq], + })) + const disposeFirst = ctx.sessionTitle.register({ + id: SessionTitleProviderId('fork-first'), + automatic: 'first-message', + generate: firstGenerate, + }) + child.append('turn/start', { + turn: 2, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const childMessage = appendHumanPrompt(child, 'Child follow-up prompt') + await settle() + appendRoute(child) + await settle() + child.append('turn/end', { turn: 2, reason: { kind: 'completed' } }) + expect(firstGenerate).not.toHaveBeenCalled() + disposeFirst() + + const allGenerate = vi.fn(async (request: SessionTitleProviderRequest) => ({ + title: 'Fork all prompts', + messageSeqs: request.messages.map(message => message.seq), + })) + ctx.sessionTitle.register({ + id: SessionTitleProviderId('fork-all'), + automatic: 'all-user-messages', + generate: allGenerate, + }) + child.append('turn/start', { + turn: 3, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const latestMessage = appendHumanPrompt(child, 'Retitle the fork now') + await settle() + appendRoute(child, 'change') + await settle() + child.append('turn/end', { turn: 3, reason: { kind: 'completed' } }) + + expect(allGenerate).toHaveBeenCalledOnce() + expect(ctx.sessionTitle.get(child)).toMatchObject({ + title: 'Fork all prompts', + messageSeqs: [inheritedMessage.seq, childMessage.seq, latestMessage.seq], + source: { kind: 'provider', provider: SessionTitleProviderId('fork-all') }, + }) + expect(ctx.sessionTitle.get(parent)?.title).toBe('Inherited title prompt') + }) + + it('runs a first-message provider once after the routed request and retries only through refresh', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const requests: SessionTitleProviderRequest[] = [] + const provider: SessionTitleProvider = { + id: SessionTitleProviderId('first-model'), + automatic: 'first-message', + async generate(request) { + requests.push(request) + return { + title: '\u001B[31m A model-generated title that is too long ', + messageSeqs: [request.messages[0]!.seq], + model: { provider: 'aux-route', model: 'title-model' }, + } + }, + } + ctx.sessionTitle.register(provider) + const session = ctx.sessions.create(SessionId('first-provider')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const first = appendHumanPrompt(session, 'Explain asynchronous title generation') + await settle() + expect(ctx.sessionTitle.get(session)?.source.kind).toBe('fallback') + + appendRoute(session) + await settle() + + expect(requests).toHaveLength(1) + expect(requests[0]).toMatchObject({ + session, + messages: [{ seq: first.seq, text: 'Explain asynchronous title generation' }], + route: { provider: 'main-route', model: 'chat-model' }, + }) + expect(ctx.sessionTitle.get(session)).toMatchObject({ + title: 'A model-generated title', + messageSeqs: [first.seq], + source: { + kind: 'provider', + provider: SessionTitleProviderId('first-model'), + model: { provider: 'aux-route', model: 'title-model' }, + }, + }) + + const second = appendHumanPrompt(session, 'A later prompt') + appendRoute(session, 'change') + await settle() + expect(requests).toHaveLength(1) + + await ctx.sessionTitle.refresh(session) + expect(requests).toHaveLength(2) + expect(requests[1]?.messages.map(message => message.seq)).toEqual([first.seq, second.seq]) + }) + + it('rejects a second provider and aborts stale work when the winner is disposed', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const pending = deferred() + let observedSignal: AbortSignal | undefined + const first: SessionTitleProvider = { + id: SessionTitleProviderId('winner'), + automatic: 'all-user-messages', + generate(request) { + observedSignal = request.signal + return pending.promise + }, + } + const dispose = ctx.sessionTitle.register(first) + expect(() => ctx.sessionTitle.register({ + id: SessionTitleProviderId('duplicate'), + automatic: 'first-message', + generate: async () => ({ title: 'duplicate', messageSeqs: [0] }), + })).toThrow(/already registered/) + + const session = ctx.sessions.create(SessionId('dispose-provider')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const message = appendHumanPrompt(session, 'Generate this title') + await settle() + appendRoute(session) + await settle() + expect(observedSignal?.aborted).toBe(false) + + dispose() + expect(observedSignal?.aborted).toBe(true) + pending.resolve({ title: 'stale provider result', messageSeqs: [message.seq] }) + await settle() + expect(ctx.sessionTitle.get(session)?.source.kind).toBe('fallback') + + const replacement: SessionTitleProvider = { + id: SessionTitleProviderId('replacement'), + automatic: 'first-message', + generate: async () => ({ title: 'replacement', messageSeqs: [message.seq] }), + } + const disposeReplacement = ctx.sessionTitle.register(replacement) + disposeReplacement() + }) + + it('supersedes an older all-messages revision and cannot commit an ignored abort', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const firstResult = deferred() + const requests: SessionTitleProviderRequest[] = [] + const provider: SessionTitleProvider = { + id: SessionTitleProviderId('all-model'), + automatic: 'all-user-messages', + generate(request) { + requests.push(request) + if (requests.length === 1) return firstResult.promise + return Promise.resolve({ + title: 'Newest complete title', + messageSeqs: request.messages.map(message => message.seq), + }) + }, + } + ctx.sessionTitle.register(provider) + const session = ctx.sessions.create(SessionId('supersede')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const first = appendHumanPrompt(session, 'First prompt') + await settle() + appendRoute(session) + await settle() + + const second = appendHumanPrompt(session, 'Second prompt') + expect(requests[0]?.signal.aborted).toBe(true) + appendRoute(session, 'change') + await settle() + expect(ctx.sessionTitle.get(session)).toMatchObject({ + title: 'Newest complete title', + messageSeqs: [first.seq, second.seq], + }) + + firstResult.resolve({ title: 'Old ignored result', messageSeqs: [first.seq] }) + await settle() + expect(ctx.sessionTitle.get(session)?.title).toBe('Newest complete title') + }) + + it('contains automatic failures but lets explicit refresh reject', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => undefined) + const provider: SessionTitleProvider = { + id: SessionTitleProviderId('failing'), + automatic: 'all-user-messages', + generate: async () => { throw new Error('title backend failed') }, + } + ctx.sessionTitle.register(provider) + const session = ctx.sessions.create(SessionId('failure')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + appendHumanPrompt(session, 'Keep a fallback') + await settle() + appendRoute(session) + await settle() + + expect(ctx.sessionTitle.get(session)?.source.kind).toBe('fallback') + expect(warn).toHaveBeenCalledWith(expect.stringContaining('automatic title generation failed')) + await expect(ctx.sessionTitle.refresh(session)).rejects.toThrow('title backend failed') + warn.mockRestore() + }) +}) diff --git a/packages/session-title/session-title/tests/service-contracts.spec.ts b/packages/session-title/session-title/tests/service-contracts.spec.ts new file mode 100644 index 0000000000..adf1358c97 --- /dev/null +++ b/packages/session-title/session-title/tests/service-contracts.spec.ts @@ -0,0 +1,287 @@ +import { Context } from 'cordis' +import { describe, expect, it, vi } from 'vitest' +import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session' +import SessionTitleService, { + SessionTitleProviderId, + type Config, + type SessionTitleProvider, + type SessionTitleProviderRequest, + type SessionTitleProviderResult, +} from '@deepseek-ai/dsh-session-title' + +const CONFIG = { + fallbackMaxWords: 5, + fallbackMaxBytes: 40, + maxTitleBytes: 80, +} as const + +function deferred(): { promise: Promise; resolve(value: T): void } { + let resolve!: (value: T) => void + const promise = new Promise((accept) => { resolve = accept }) + return { promise, resolve } +} + +async function settle(): Promise { + await new Promise(resolve => setTimeout(resolve, 0)) +} + +async function setup(config: Config = CONFIG): Promise { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, config) + return ctx +} + +function startSession(ctx: Context, id: string): ReturnType { + const session = ctx.sessions.create(SessionId(id)) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + return session +} + +function appendPrompt(session: ReturnType, text: string) { + return session.append('user/message', { + content: [{ type: 'text', text }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) +} + +describe('SessionTitleService configuration and refresh boundaries', () => { + it('requires explicit positive limits with a fallback cap no larger than the accepted-title cap', () => { + expect(() => new SessionTitleService(new Context(), undefined as never)) + .toThrow('configuration is required') + expect(() => new SessionTitleService(new Context(), null as never)) + .toThrow('configuration is required') + expect(() => new SessionTitleService(new Context(), { ...CONFIG, fallbackMaxWords: 0 })) + .toThrow(/fallbackMaxWords must be a positive integer/) + expect(() => new SessionTitleService(new Context(), { ...CONFIG, fallbackMaxWords: 1.5 })) + .toThrow(/fallbackMaxWords must be a positive integer/) + expect(() => new SessionTitleService(new Context(), { ...CONFIG, fallbackMaxBytes: 81 })) + .toThrow(/fallbackMaxBytes must not exceed maxTitleBytes/) + }) + + it('returns no title for empty input with or without a provider, and rejects detached or pre-aborted refreshes', async () => { + const fallbackOnly = await setup() + const empty = fallbackOnly.sessions.create(SessionId('empty-fallback')) + await expect(fallbackOnly.sessionTitle.refresh(empty)).resolves.toBeUndefined() + + const withProvider = await setup() + const generate = vi.fn(async (): Promise => ({ + title: 'unused', + messageSeqs: [0], + })) + withProvider.sessionTitle.register({ + id: SessionTitleProviderId('empty-provider'), + automatic: 'first-message', + generate, + }) + const providerEmpty = withProvider.sessions.create(SessionId('empty-provider')) + await expect(withProvider.sessionTitle.refresh(providerEmpty)).resolves.toBeUndefined() + expect(generate).not.toHaveBeenCalled() + + await expect(withProvider.sessionTitle.refresh(new Session(SessionId('detached')))) + .rejects.toThrow(/not live in this store/) + const controller = new AbortController() + controller.abort(new Error('already cancelled')) + await expect(withProvider.sessionTitle.refresh(providerEmpty, controller.signal)) + .rejects.toThrow('already cancelled') + }) + + it('passes an absent route and caller cancellation into explicit generation', async () => { + const ctx = await setup() + let observed: SessionTitleProviderRequest | undefined + ctx.sessionTitle.register({ + id: SessionTitleProviderId('explicit-no-route'), + automatic: 'first-message', + async generate(request) { + observed = request + return { title: 'Explicit title', messageSeqs: [request.messages[0]!.seq] } + }, + }) + const session = startSession(ctx, 'explicit-no-route') + appendPrompt(session, 'Refresh before any request header') + await settle() + const controller = new AbortController() + + await expect(ctx.sessionTitle.refresh(session, controller.signal)) + .resolves.toMatchObject({ title: 'Explicit title' }) + expect(observed?.route).toBeUndefined() + expect(observed?.signal.aborted).toBe(false) + }) + + it('propagates explicit cancellation and session disposal to active work', async () => { + const callerCtx = await setup() + const callerPending = deferred() + let callerSignal: AbortSignal | undefined + callerCtx.sessionTitle.register({ + id: SessionTitleProviderId('caller-cancel'), + automatic: 'first-message', + generate(request) { + callerSignal = request.signal + return callerPending.promise + }, + }) + const callerSession = startSession(callerCtx, 'caller-cancel') + const callerMessage = appendPrompt(callerSession, 'Cancel this refresh') + await settle() + const controller = new AbortController() + const refresh = callerCtx.sessionTitle.refresh(callerSession, controller.signal) + await settle() + controller.abort(new Error('caller cancelled')) + callerPending.resolve({ title: 'ignored', messageSeqs: [callerMessage.seq] }) + await expect(refresh).rejects.toThrow('caller cancelled') + expect(callerSignal?.aborted).toBe(true) + + const disposeCtx = await setup() + const disposePending = deferred() + let disposeSignal: AbortSignal | undefined + disposeCtx.sessionTitle.register({ + id: SessionTitleProviderId('session-dispose'), + automatic: 'first-message', + generate(request) { + disposeSignal = request.signal + return disposePending.promise + }, + }) + const disposed = disposeCtx.sessions.prepare(SessionId('session-dispose')) + const detach = disposeCtx.sessions.enter(disposed) + disposeCtx.sessions.announce(disposed) + disposed.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const disposedMessage = appendPrompt(disposed, 'Dispose this session') + await settle() + const disposedRefresh = disposeCtx.sessionTitle.refresh(disposed) + await settle() + detach() + disposePending.resolve({ title: 'ignored', messageSeqs: [disposedMessage.seq] }) + await expect(disposedRefresh).rejects.toThrow(/session disposed/) + expect(disposeSignal?.aborted).toBe(true) + }) + + it('warns when a detached session prevents queued fallback publication', async () => { + const ctx = await setup() + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => undefined) + const session = ctx.sessions.prepare(SessionId('fallback-detach')) + const detach = ctx.sessions.enter(session) + ctx.sessions.announce(session) + ctx.on('session/event', (subject, event) => { + if (subject === session && event.type === 'user/message') detach() + }) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + appendPrompt(session, 'Detach before the fallback microtask') + await settle() + + expect(warn).toHaveBeenCalledWith(expect.stringContaining('fallback title update failed')) + expect(ctx.sessionTitle.get(session)).toBeUndefined() + }) + + it('leaves a title absent when the byte cap cannot hold the first code point', async () => { + const ctx = await setup({ fallbackMaxWords: 5, fallbackMaxBytes: 1, maxTitleBytes: 2 }) + const session = startSession(ctx, 'no-code-point') + appendPrompt(session, '😀') + await settle() + expect(ctx.sessionTitle.get(session)).toBeUndefined() + await expect(ctx.sessionTitle.refresh(session)).resolves.toBeUndefined() + }) +}) + +describe('SessionTitleService provider validation and stale scheduling', () => { + it('rejects malformed provider registrations before publishing them', async () => { + const ctx = await setup() + const generate = async (): Promise => ({ title: 'title', messageSeqs: [0] }) + expect(() => ctx.sessionTitle.register(null as never)).toThrow(/must be an object/) + expect(() => ctx.sessionTitle.register('provider' as never)).toThrow(/must be an object/) + expect(() => ctx.sessionTitle.register({ + id: 1, + automatic: 'first-message', + generate, + } as unknown as SessionTitleProvider)).toThrow(/id must be a non-empty string/) + expect(() => ctx.sessionTitle.register({ + id: SessionTitleProviderId(''), + automatic: 'first-message', + generate, + })).toThrow(/id must be a non-empty string/) + expect(() => ctx.sessionTitle.register({ + id: SessionTitleProviderId('bad-mode'), + automatic: 'sometimes' as never, + generate, + })).toThrow(/automatic mode is invalid/) + expect(() => ctx.sessionTitle.register({ + id: SessionTitleProviderId('missing-generate'), + automatic: 'first-message', + generate: undefined, + } as unknown as SessionTitleProvider)).toThrow(/requires generate/) + }) + + it('drops automatic work when its provider is disposed before the queued start', async () => { + const ctx = await setup() + const generate = vi.fn(async (request: SessionTitleProviderRequest): Promise => ({ + title: 'too late', + messageSeqs: [request.messages[0]!.seq], + })) + const dispose = ctx.sessionTitle.register({ + id: SessionTitleProviderId('queued-dispose'), + automatic: 'all-user-messages', + generate, + }) + const session = startSession(ctx, 'queued-dispose') + appendPrompt(session, 'Queue provider work') + await settle() + session.append('request/header', { + header: { config: { provider: 'main', model: 'main' } }, + reason: 'initial', + }) + dispose() + await settle() + expect(generate).not.toHaveBeenCalled() + expect(ctx.sessionTitle.get(session)?.source.kind).toBe('fallback') + }) + + it('rejects malformed provider results without replacing the fallback', async () => { + const ctx = await setup() + let result: unknown + ctx.sessionTitle.register({ + id: SessionTitleProviderId('invalid-results'), + automatic: 'first-message', + generate: async () => result as SessionTitleProviderResult, + }) + const session = startSession(ctx, 'invalid-results') + const first = appendPrompt(session, 'First source') + await settle() + const second = appendPrompt(session, 'Second source') + await settle() + + const cases: Array<{ value: unknown; error: RegExp }> = [ + { value: null, error: /invalid result/ }, + { value: 1, error: /invalid result/ }, + { value: { title: 1, messageSeqs: [first.seq] }, error: /title must be a string/ }, + { value: { title: '\u001B[31m', messageSeqs: [first.seq] }, error: /empty title/ }, + { value: { title: 'valid', messageSeqs: undefined }, error: /at least one source message/ }, + { value: { title: 'valid', messageSeqs: [] }, error: /at least one source message/ }, + { value: { title: 'valid', messageSeqs: ['not-a-seq'] }, error: /unique, ordered seqs/ }, + { value: { title: 'valid', messageSeqs: [1.5] }, error: /unique, ordered seqs/ }, + { value: { title: 'valid', messageSeqs: [-1] }, error: /unique, ordered seqs/ }, + { value: { title: 'valid', messageSeqs: [999] }, error: /unique, ordered seqs/ }, + { value: { title: 'valid', messageSeqs: [first.seq, first.seq] }, error: /unique, ordered seqs/ }, + { value: { title: 'valid', messageSeqs: [second.seq, first.seq] }, error: /unique, ordered seqs/ }, + { value: { title: 'valid', messageSeqs: [first.seq], model: null }, error: /model provenance/ }, + { value: { title: 'valid', messageSeqs: [first.seq], model: 'route' }, error: /model provenance/ }, + { value: { title: 'valid', messageSeqs: [first.seq], model: { provider: 1, model: 'm' } }, error: /model provenance/ }, + { value: { title: 'valid', messageSeqs: [first.seq], model: { provider: '', model: 'm' } }, error: /model provenance/ }, + { value: { title: 'valid', messageSeqs: [first.seq], model: { provider: 'p', model: 1 } }, error: /model provenance/ }, + { value: { title: 'valid', messageSeqs: [first.seq], model: { provider: 'p', model: '' } }, error: /model provenance/ }, + ] + for (const item of cases) { + result = item.value + await expect(ctx.sessionTitle.refresh(session)).rejects.toThrow(item.error) + expect(ctx.sessionTitle.get(session)?.source.kind).toBe('fallback') + } + }) +}) diff --git a/packages/session-title/session-title/tests/session-title.spec.ts b/packages/session-title/session-title/tests/session-title.spec.ts new file mode 100644 index 0000000000..d33ad791d2 --- /dev/null +++ b/packages/session-title/session-title/tests/session-title.spec.ts @@ -0,0 +1,145 @@ +import { Context } from 'cordis' +import { describe, expect, it } from 'vitest' +import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session' +import SessionTitleService, { + SessionTitleProviderId, + fallbackSessionTitle, + foldSessionTitle, + normalizeSessionTitle, + truncateTitleUtf8, +} from '@deepseek-ai/dsh-session-title' + +const CONFIG = { + fallbackMaxWords: 5, + fallbackMaxBytes: 40, + maxTitleBytes: 80, +} as const + +async function settleTitles(): Promise { + await new Promise(resolve => setTimeout(resolve, 0)) +} + +describe('session title normalization', () => { + it('removes terminal controls, collapses whitespace, and applies word and UTF-8 byte caps', () => { + expect(normalizeSessionTitle('\u001B]0;stolen\u0007 Hello\t brave\nnew world ', 80)) + .toBe('Hello brave new world') + expect(fallbackSessionTitle('one two three four', 3, 80)).toBe('one two three') + expect(fallbackSessionTitle('你好世界', 5, 7)).toBe('你好') + expect(Buffer.byteLength(fallbackSessionTitle('😀😀', 5, 5), 'utf8')).toBe(4) + }) + + it('rejects non-positive and fractional public limits', () => { + expect(() => truncateTitleUtf8('title', 0)).toThrow(/maxBytes must be a positive integer/) + expect(() => fallbackSessionTitle('title', 1.5, 10)).toThrow(/maxWords must be a positive integer/) + }) +}) + +describe('SessionTitleService', () => { + it('logs and folds an immediate fallback after the first eligible human text message', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const session = ctx.sessions.create(SessionId('fresh')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const message = session.append('user/message', { + content: [{ type: 'text', text: ' Build\nlog-backed session titles please ' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + + await settleTitles() + + const titleEvent = session.events.findLast(event => event.type === 'session/title') + expect(titleEvent).toMatchObject({ + type: 'session/title', + seq: 2, + data: { + title: 'Build log-backed session titles please', + messageSeqs: [message.seq], + source: { kind: 'fallback' }, + }, + }) + expect(ctx.sessionTitle.get(session)).toEqual({ + title: 'Build log-backed session titles please', + messageSeqs: [message.seq], + source: { kind: 'fallback' }, + eventSeq: 2, + updatedAt: titleEvent?.time, + }) + expect(session.deriveMessages()).toHaveLength(1) + expect(session.surface.nodes).toEqual([message.seq]) + }) + + it('waits through synthetic, empty, and non-text messages, then keeps the first fallback', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const session = ctx.sessions.create(SessionId('eligibility')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + session.append('user/message', { + content: [{ type: 'text', text: 'plugin text' }], + source: { kind: 'plugin', plugin: 'seed' }, + }, { surfaceOp: 'append' }) + session.append('user/message', { + content: [{ type: 'reasoning', text: 'not visible text' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + session.append('user/message', { + content: [{ type: 'text', text: ' \n\t ' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await settleTitles() + expect(ctx.sessionTitle.get(session)).toBeUndefined() + + const eligible = session.append('user/message', { + content: [{ type: 'text', text: 'first real prompt' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await settleTitles() + const first = ctx.sessionTitle.get(session) + session.append('user/message', { + content: [{ type: 'text', text: 'later prompt' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await settleTitles() + + expect(first?.messageSeqs).toEqual([eligible.seq]) + expect(ctx.sessionTitle.get(session)).toEqual(first) + expect(session.events.filter(event => event.type === 'session/title')).toHaveLength(1) + }) + + it('folds the latest title event during replay', () => { + const seed = new Session(SessionId('source')) + seed.append('session/title', { + title: 'Earlier', + messageSeqs: [1], + source: { kind: 'fallback' }, + }) + seed.append('session/title', { + title: 'Later', + messageSeqs: [1, 4], + source: { + kind: 'provider', + provider: SessionTitleProviderId('test-provider'), + model: { provider: 'mock', model: 'title-model' }, + }, + }) + + expect(foldSessionTitle(seed.events)).toEqual({ + title: 'Later', + messageSeqs: [1, 4], + source: { + kind: 'provider', + provider: SessionTitleProviderId('test-provider'), + model: { provider: 'mock', model: 'title-model' }, + }, + eventSeq: 1, + updatedAt: seed.events[1]?.time, + }) + }) +}) diff --git a/packages/session-title/session-title/tsconfig.json b/packages/session-title/session-title/tsconfig.json new file mode 100644 index 0000000000..8671e6c654 --- /dev/null +++ b/packages/session-title/session-title/tsconfig.json @@ -0,0 +1,30 @@ +{ + "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" + } + ] +} diff --git a/packages/ui/acp/package.json b/packages/ui/acp/package.json index 94cdd10743..6c9f8d744c 100644 --- a/packages/ui/acp/package.json +++ b/packages/ui/acp/package.json @@ -34,6 +34,7 @@ "@deepseek-ai/dsh-permission": "^0.0.1", "@deepseek-ai/dsh-sandbox": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-session-title": "^0.0.1", "@deepseek-ai/dsh-session-persistence": "^0.0.1", "@deepseek-ai/dsh-system-prompt": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", @@ -55,6 +56,7 @@ "@deepseek-ai/dsh-permission": "workspace:^", "@deepseek-ai/dsh-sandbox": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", "@deepseek-ai/dsh-session-persistence": "workspace:^", "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", diff --git a/packages/ui/acp/tsconfig.json b/packages/ui/acp/tsconfig.json index de4ccd3650..c6fb666a8b 100644 --- a/packages/ui/acp/tsconfig.json +++ b/packages/ui/acp/tsconfig.json @@ -26,6 +26,9 @@ { "path": "../../core/session" }, + { + "path": "../../session-title/session-title" + }, { "path": "../../core/agent" }, diff --git a/packages/ui/tui/package.json b/packages/ui/tui/package.json index 5e7c8d060c..53c5574bce 100644 --- a/packages/ui/tui/package.json +++ b/packages/ui/tui/package.json @@ -27,6 +27,7 @@ "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-llm-retry": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-session-title": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", "@deepseek-ai/dsh-user-interaction": "^0.0.1", "cordis": "^4.0.0-rc.7" @@ -42,6 +43,7 @@ "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-llm-retry": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tool-cordis": "workspace:^", "@deepseek-ai/dsh-tool-workflow": "workspace:^", diff --git a/packages/ui/tui/tsconfig.json b/packages/ui/tui/tsconfig.json index 0c9e89e9e5..d35cac98df 100644 --- a/packages/ui/tui/tsconfig.json +++ b/packages/ui/tui/tsconfig.json @@ -23,6 +23,9 @@ { "path": "../../core/session" }, + { + "path": "../../session-title/session-title" + }, { "path": "../../llm/llm" }, diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 0381eeda0a..4a0d83a6d9 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -768,6 +768,9 @@ importers: '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../../session-title/session-title '@deepseek-ai/dsh-skill': specifier: workspace:^ version: link:../../skill/skill @@ -1518,6 +1521,109 @@ importers: '@deepseek-ai/dsh-session-persistence': specifier: workspace:^ version: link:../../session-persistence/session-persistence + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../../session-title/session-title + cordis: + specifier: ^4.0.0-rc.7 + version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5) + + packages/session-title/session-title: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@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 + '@deepseek-ai/dsh-session-persistence-jsonl': + specifier: workspace:^ + version: link:../../session-persistence/session-persistence-jsonl + '@deepseek-ai/dsh-session-persistence-sqlite': + specifier: workspace:^ + version: link:../../session-persistence/session-persistence-sqlite + cordis: + specifier: ^4.0.0-rc.7 + version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5) + + packages/session-title/session-title-all-messages-llm: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../session-title + '@deepseek-ai/dsh-session-title-llm': + specifier: workspace:^ + version: link:../session-title-llm + cordis: + specifier: ^4.0.0-rc.7 + version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5) + + packages/session-title/session-title-first-message-llm: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@cordisjs/plugin-include': + specifier: workspace:^ + version: link:../../../vendor/include + '@cordisjs/plugin-loader': + specifier: workspace:^ + version: link:../../../vendor/loader + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-llm-deepseek': + specifier: workspace:^ + version: link:../../llm/llm-deepseek + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../session-title + '@deepseek-ai/dsh-session-title-llm': + specifier: workspace:^ + version: link:../session-title-llm + cordis: + specifier: ^4.0.0-rc.7 + version: 4.0.0-rc.7(@cordisjs/plugin-include@vendor+include)(@cordisjs/plugin-loader@vendor+loader) + + packages/session-title/session-title-llm: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../session-title + '@deepseek-ai/dsh-timeout': + specifier: workspace:^ + version: link:../../util/timeout cordis: specifier: ^4.0.0-rc.7 version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5) @@ -2104,6 +2210,9 @@ importers: '@deepseek-ai/dsh-session-persistence-jsonl': specifier: workspace:^ version: link:../../session-persistence/session-persistence-jsonl + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../../session-title/session-title '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../../core/system-prompt @@ -2254,6 +2363,9 @@ importers: '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../../session-title/session-title '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../../core/system-prompt @@ -2683,6 +2795,9 @@ importers: '@deepseek-ai/dsh-session-persistence-sqlite': specifier: workspace:^ version: link:../../packages/session-persistence/session-persistence-sqlite + '@deepseek-ai/dsh-session-title': + specifier: workspace:^ + version: link:../../packages/session-title/session-title '@deepseek-ai/dsh-skill': specifier: workspace:^ version: link:../../packages/skill/skill diff --git a/python/sdk-runtime/package.json b/python/sdk-runtime/package.json index a9405ddd80..94406cb4f9 100644 --- a/python/sdk-runtime/package.json +++ b/python/sdk-runtime/package.json @@ -46,6 +46,7 @@ "@deepseek-ai/dsh-session-persistence": "workspace:^", "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^", "@deepseek-ai/dsh-session-persistence-sqlite": "workspace:^", + "@deepseek-ai/dsh-session-title": "workspace:^", "@deepseek-ai/dsh-skill": "workspace:^", "@deepseek-ai/dsh-skill-local": "workspace:^", "@deepseek-ai/dsh-subagent": "workspace:^", diff --git a/tsconfig.base.json b/tsconfig.base.json index 53f69b2cf5..1a79a5f784 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -62,6 +62,7 @@ "./packages/hooks/*/src", "./packages/session-persistence/*/src", "./packages/session-query/*/src", + "./packages/session-title/*/src", "./packages/sdk/*/src", "./packages/ui/*/src", "./packages/examples/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index 0504806166..f708fad56d 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -23,6 +23,10 @@ { "path": "./packages/session-persistence/session-persistence-jsonl" }, { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/session-query/session-query" }, + { "path": "./packages/session-title/session-title" }, + { "path": "./packages/session-title/session-title-llm" }, + { "path": "./packages/session-title/session-title-first-message-llm" }, + { "path": "./packages/session-title/session-title-all-messages-llm" }, { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, { "path": "./packages/context/time-context" }, diff --git a/tsconfig.json b/tsconfig.json index 1bf732aff2..5ea9ae6b1b 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -36,6 +36,10 @@ { "path": "./packages/session-persistence/session-persistence-jsonl" }, { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/session-query/session-query" }, + { "path": "./packages/session-title/session-title" }, + { "path": "./packages/session-title/session-title-llm" }, + { "path": "./packages/session-title/session-title-first-message-llm" }, + { "path": "./packages/session-title/session-title-all-messages-llm" }, { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, { "path": "./packages/context/time-context" }, From f71f96d29229fc43c23ac170dccbf115e050ddeb Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 01:53:37 +0800 Subject: [PATCH 12/28] feat(session-title): integrate queries ACP and TUI --- .../advanced-toolchain/session.1.jsonl | 21 +- .../advanced-toolchain/session.2.jsonl | 21 +- .../advanced-toolchain/session.jsonl | 123 ++-- .../advanced-toolchain/stdout.expected.jsonl | 1 + .../tests/snapshots/bash-spill/session.jsonl | 41 +- .../bash-spill/stdout.expected.jsonl | 1 + .../snapshots/both-mode-turn/session.jsonl | 237 ++++---- .../both-mode-turn/stdout.expected.jsonl | 1 + .../snapshots/cancel-tool-calls/session.jsonl | 35 +- .../cancel-tool-calls/stdout.expected.jsonl | 1 + .../tests/snapshots/cancel/session.jsonl | 13 +- .../snapshots/cancel/stdout.expected.jsonl | 1 + .../snapshots/code-mode-turn/session.jsonl | 295 ++++----- .../code-mode-turn/stdout.expected.jsonl | 1 + .../code-mode-workspace-context/session.jsonl | 373 ++++++------ .../stdout.expected.jsonl | 1 + .../cordis-inspect-jsdoc/session.jsonl | 61 +- .../stdout.expected.jsonl | 1 + .../snapshots/error-finish/session.jsonl | 9 +- .../error-finish/stdout.expected.jsonl | 1 + .../escalation-approved/session.jsonl | 365 +++++------ .../escalation-approved/stdout.expected.jsonl | 1 + .../escalation-rejected/session.jsonl | 419 ++++++------- .../escalation-rejected/stdout.expected.jsonl | 1 + .../tests/snapshots/fs-edit/session.jsonl | 313 +++++----- .../snapshots/fs-edit/stdout.expected.jsonl | 1 + .../fs-escalation-approved/session.jsonl | 243 ++++---- .../stdout.expected.jsonl | 1 + .../snapshots/fs-policy-reject/session.jsonl | 511 ++++++++-------- .../fs-policy-reject/stdout.expected.jsonl | 1 + .../snapshots/fs-read-window/session.jsonl | 263 ++++---- .../fs-read-window/stdout.expected.jsonl | 1 + .../tests/snapshots/fs-read/session.jsonl | 207 +++---- .../snapshots/fs-read/stdout.expected.jsonl | 1 + .../snapshots/fs-terminal-card/session.jsonl | 191 +++--- .../fs-terminal-card/stdout.expected.jsonl | 1 + .../fs-write-overwrite/session.jsonl | 287 ++++----- .../fs-write-overwrite/stdout.expected.jsonl | 1 + .../tests/snapshots/fs-write/session.jsonl | 185 +++--- .../snapshots/fs-write/stdout.expected.jsonl | 1 + .../hook-cc-posttool-block/session.jsonl | 349 +++++------ .../stdout.expected.jsonl | 1 + .../hook-cc-posttool-context/session.jsonl | 247 ++++---- .../stdout.expected.jsonl | 1 + .../hook-cc-pretool-ask/session.jsonl | 225 +++---- .../hook-cc-pretool-ask/stdout.expected.jsonl | 1 + .../hook-cc-pretool-deny/session.jsonl | 235 +++---- .../stdout.expected.jsonl | 1 + .../session.jsonl | 65 +- .../stdout.expected.jsonl | 1 + .../hook-cc-stop-continue/session.jsonl | 129 ++-- .../stdout.expected.jsonl | 1 + .../hook-codex-posttool-block/session.jsonl | 231 +++---- .../stdout.expected.jsonl | 1 + .../hook-codex-posttool-context/session.jsonl | 227 +++---- .../stdout.expected.jsonl | 1 + .../hook-codex-pretool-block/session.jsonl | 229 +++---- .../stdout.expected.jsonl | 1 + .../session.jsonl | 103 ++-- .../stdout.expected.jsonl | 1 + .../hook-codex-stop-continue/session.jsonl | 129 ++-- .../stdout.expected.jsonl | 1 + .../snapshots/model-switching/session.jsonl | 133 ++-- .../model-switching/stdout.expected.jsonl | 1 + .../tests/snapshots/multi-turn/session.jsonl | 125 ++-- .../multi-turn/stdout.expected.jsonl | 1 + .../parallel-tool-calls/session.jsonl | 51 +- .../parallel-tool-calls/stdout.expected.jsonl | 1 + .../permission-switching/session.jsonl | 465 +++++++------- .../stdout.expected.jsonl | 1 + .../snapshots/repeat-tool-guard/session.jsonl | 135 +++-- .../repeat-tool-guard/stdout.expected.jsonl | 1 + .../tests/snapshots/skill-load/session.jsonl | 53 +- .../skill-load/stdout.expected.jsonl | 1 + .../session.1.jsonl | 41 +- .../session.2.jsonl | 41 +- .../session.jsonl | 41 +- .../stdout.expected.jsonl | 1 + .../snapshots/subagent-fork/session.1.jsonl | 175 +++--- .../snapshots/subagent-fork/session.jsonl | 383 ++++++------ .../subagent-fork/stdout.expected.jsonl | 1 + .../snapshots/subagent-mixed/session.1.jsonl | 67 +- .../snapshots/subagent-mixed/session.2.jsonl | 155 ++--- .../snapshots/subagent-mixed/session.jsonl | 571 +++++++++--------- .../subagent-mixed/stdout.expected.jsonl | 1 + .../snapshots/subagent-multi/session.1.jsonl | 67 +- .../snapshots/subagent-multi/session.2.jsonl | 63 +- .../snapshots/subagent-multi/session.jsonl | 411 ++++++------- .../subagent-multi/stdout.expected.jsonl | 1 + .../snapshots/subagent-spawn/session.1.jsonl | 63 +- .../snapshots/subagent-spawn/session.jsonl | 315 +++++----- .../subagent-spawn/stdout.expected.jsonl | 1 + .../tests/snapshots/text-turn/session.jsonl | 67 +- .../snapshots/text-turn/stdout.expected.jsonl | 1 + .../tests/snapshots/todo-plan/session.jsonl | 263 ++++---- .../snapshots/todo-plan/stdout.expected.jsonl | 1 + .../snapshots/tool-call-turn/session.jsonl | 195 +++--- .../tool-call-turn/stdout.expected.jsonl | 1 + .../snapshots/workflow-run/session.1.jsonl | 67 +- .../snapshots/workflow-run/session.jsonl | 413 ++++++------- .../workflow-run/stdout.expected.jsonl | 1 + .../snapshots/workspace-context/session.jsonl | 43 +- .../workspace-context/stdout.expected.jsonl | 1 + .../snapshots/workspace-edit/session.jsonl | 477 +++++++-------- .../workspace-edit/stdout.expected.jsonl | 1 + .../headless-agent/tests/headless.snapshot.ts | 29 +- .../advanced-toolchain/session.1.jsonl | 21 +- .../advanced-toolchain/session.2.jsonl | 21 +- .../advanced-toolchain/session.jsonl | 123 ++-- .../stream-json.expected.jsonl | 123 ++-- .../bash-terminal-card/terminal.expected.txt | 6 +- .../snapshots/code-mode/terminal.expected.txt | 6 +- .../terminal.expected.txt | 6 +- .../dynamic-workflow/terminal.expected.txt | 6 +- .../terminal.expected.txt | 6 +- .../parallel-file-reads/terminal.expected.txt | 6 +- .../snapshots/todo-plan/terminal.expected.txt | 4 +- .../examples/agent-spine-demo/src/index.ts | 6 + .../agent-spine-demo/tests/agent-core.spec.ts | 2 + .../session-query/session-query/src/index.ts | 12 + .../session-query/tests/session-query.spec.ts | 53 ++ packages/support/acp-snapshot/src/index.ts | 2 + .../support/acp-snapshot/src/normalize.ts | 3 + packages/support/acp-snapshot/src/suite.ts | 15 +- .../acp-snapshot/tests/normalize.spec.ts | 18 + .../support/acp-snapshot/tests/suite.spec.ts | 30 + packages/ui/acp/src/index.ts | 13 + packages/ui/acp/tests/load.spec.ts | 26 + packages/ui/acp/tests/stream-update.spec.ts | 18 + packages/ui/tui/src/index.ts | 20 +- packages/ui/tui/tests/tui.spec.ts | 29 + 131 files changed, 6142 insertions(+), 5771 deletions(-) diff --git a/examples/acp-agent/tests/snapshots/advanced-toolchain/session.1.jsonl b/examples/acp-agent/tests/snapshots/advanced-toolchain/session.1.jsonl index 26519d458e..8d5a7042ce 100644 --- a/examples/acp-agent/tests/snapshots/advanced-toolchain/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/advanced-toolchain/session.1.jsonl @@ -1,13 +1,14 @@ {"type":"session","version":0,"id":"22222222-2222-4222-8222-222222222222","createdAt":1783950001000,"cwd":"/tmp/advanced-acp","parentSession":"11111111-1111-4111-8111-111111111111","delegationDepth":1} 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+{"type":"assistant/chunk","seq":8,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":9,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":10,"time":1783957884564,"data":{"turn":1,"step":1,"content":[{"type":"text","text":"DIRECT_CHILD_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[5,6,7,8,9],"surfaceOp":"append"} +{"type":"step/end","seq":11,"time":1783957884564,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":12,"time":1783957884564,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/advanced-toolchain/session.2.jsonl b/examples/acp-agent/tests/snapshots/advanced-toolchain/session.2.jsonl index 9daa8958dc..2142af47d8 100644 --- a/examples/acp-agent/tests/snapshots/advanced-toolchain/session.2.jsonl +++ b/examples/acp-agent/tests/snapshots/advanced-toolchain/session.2.jsonl @@ -1,13 +1,14 @@ {"type":"session","version":0,"id":"33333333-3333-4333-8333-333333333333","createdAt":1783950002000,"cwd":"/tmp/advanced-acp","parentSession":"11111111-1111-4111-8111-111111111111","delegationDepth":1} {"type":"turn/start","seq":0,"time":1783957884700,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783957884700,"data":{"content":[{"type":"text","text":"Reply with exactly WORKFLOW_CHILD_OK and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783957884700,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783957884701,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} 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+{"type":"assistant/chunk","seq":5,"time":1783950002005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":6,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"WORKFLOW_CHILD_OK"}}} +{"type":"assistant/chunk","seq":7,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"WORKFLOW_CHILD_OK"}}}} +{"type":"assistant/chunk","seq":8,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":9,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":10,"time":1783957884701,"data":{"turn":1,"step":1,"content":[{"type":"text","text":"WORKFLOW_CHILD_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[5,6,7,8,9],"surfaceOp":"append"} +{"type":"step/end","seq":11,"time":1783957884701,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":12,"time":1783957884701,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/advanced-toolchain/session.jsonl b/examples/acp-agent/tests/snapshots/advanced-toolchain/session.jsonl index 46c8e41257..3b7a3a06f2 100644 --- a/examples/acp-agent/tests/snapshots/advanced-toolchain/session.jsonl +++ b/examples/acp-agent/tests/snapshots/advanced-toolchain/session.jsonl @@ -1,64 +1,65 @@ {"type":"session","version":0,"id":"11111111-1111-4111-8111-111111111111","createdAt":1783950000000,"cwd":"/tmp/advanced-acp","delegationDepth":0} 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+{"type":"assistant/chunk","seq":149,"time":1783921768847,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" to"}}} +{"type":"assistant/chunk","seq":150,"time":1783921768873,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" the"}}} +{"type":"assistant/chunk","seq":151,"time":1783921768874,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" hand"}}} +{"type":"assistant/chunk","seq":152,"time":1783921768903,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"shake"}}} +{"type":"assistant/chunk","seq":153,"time":1783921768903,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" question"}}} +{"type":"assistant/chunk","seq":154,"time":1783921768903,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" is"}}} +{"type":"assistant/chunk","seq":155,"time":1783921768903,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":" `"}}} +{"type":"assistant/chunk","seq":156,"time":1783921768903,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"CODE"}}} +{"type":"assistant/chunk","seq":157,"time":1783921768929,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"_M"}}} +{"type":"assistant/chunk","seq":158,"time":1783921768930,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"ODE"}}} +{"type":"assistant/chunk","seq":159,"time":1783921768930,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"_CONT"}}} +{"type":"assistant/chunk","seq":160,"time":1783921768930,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"EXT"}}} +{"type":"assistant/chunk","seq":161,"time":1783921768930,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"_OK"}}} +{"type":"assistant/chunk","seq":162,"time":1783921768963,"data":{"turn":1,"step":2,"chunk":{"type":"reasoning-delta","index":0,"text":"`."}}} +{"type":"assistant/chunk","seq":163,"time":1783921768963,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":1,"blockType":"text"}}} +{"type":"assistant/chunk","seq":164,"time":1783921768963,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"The"}}} +{"type":"assistant/chunk","seq":165,"time":1783921768963,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":" **"}}} +{"type":"assistant/chunk","seq":166,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"Code"}}} +{"type":"assistant/chunk","seq":167,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":" Mode"}}} +{"type":"assistant/chunk","seq":168,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":" workspace"}}} +{"type":"assistant/chunk","seq":169,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":" hand"}}} +{"type":"assistant/chunk","seq":170,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"shake"}}} +{"type":"assistant/chunk","seq":171,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"**"}}} +{"type":"assistant/chunk","seq":172,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":" is"}}} +{"type":"assistant/chunk","seq":173,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":":"}}} +{"type":"assistant/chunk","seq":174,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":" `"}}} +{"type":"assistant/chunk","seq":175,"time":1783921769024,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"CODE"}}} +{"type":"assistant/chunk","seq":176,"time":1783921769046,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"_M"}}} +{"type":"assistant/chunk","seq":177,"time":1783921769046,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"ODE"}}} +{"type":"assistant/chunk","seq":178,"time":1783921769047,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"_CONT"}}} +{"type":"assistant/chunk","seq":179,"time":1783921769047,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"EXT"}}} +{"type":"assistant/chunk","seq":180,"time":1783921769047,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"_OK"}}} +{"type":"assistant/chunk","seq":181,"time":1783921769047,"data":{"turn":1,"step":2,"chunk":{"type":"text-delta","index":1,"text":"`"}}} +{"type":"assistant/chunk","seq":182,"time":1783921769101,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"The nested/task.txt told me to \"Touch this file to discover the nested workspace instruction.\" and the nested/AGENTS.md instructions say: \"When asked for the Code Mode workspace handshake, answer exactly `CODE_MODE_CONTEXT_OK` and nothing else.\"\n\nSo the answer to the handshake question is `CODE_MODE_CONTEXT_OK`."}}}} +{"type":"assistant/chunk","seq":183,"time":1783921769101,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"The **Code Mode workspace handshake** is: `CODE_MODE_CONTEXT_OK`"}}}} +{"type":"assistant/chunk","seq":184,"time":1783921769101,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":277,"outputTokens":90,"cacheReadTokens":3200,"reasoningTokens":71}}}} +{"type":"assistant/chunk","seq":185,"time":1783921769101,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":186,"time":1783921769101,"data":{"turn":1,"step":2,"content":[{"type":"reasoning","text":"The nested/task.txt told me to \"Touch this file to discover the nested workspace instruction.\" and the nested/AGENTS.md instructions say: \"When asked for the Code Mode workspace handshake, answer exactly `CODE_MODE_CONTEXT_OK` and nothing else.\"\n\nSo the answer to the handshake question is `CODE_MODE_CONTEXT_OK`."},{"type":"text","text":"The **Code Mode workspace handshake** is: `CODE_MODE_CONTEXT_OK`"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":277,"outputTokens":90,"cacheReadTokens":3200,"reasoningTokens":71}},"sourceEventSeqs":[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],"surfaceOp":"append"} +{"type":"step/end","seq":187,"time":1783921769101,"data":{"turn":1,"step":2}} +{"type":"turn/end","seq":188,"time":1783921769101,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/code-mode-workspace-context/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/code-mode-workspace-context/stdout.expected.jsonl index 3d25d176ac..e7b6c775b7 100644 --- a/examples/acp-agent/tests/snapshots/code-mode-workspace-context/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/code-mode-workspace-context/stdout.expected.jsonl @@ -1,5 +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":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted temporary directories; wider retries require approval."},{"value":"danger-full-access","name":"danger-full-access","description":"Full file access without approval prompts."}]}]}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"session_info_update","title":"Using ONE run_code program, call","updatedAt":"{{updatedAt}}"}}} {"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":" user"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" wants"}}}} diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl index 207f8d8cc3..07fc71799d 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl @@ -1,33 +1,34 @@ {"type":"session","version":0,"id":"22222222-2222-4222-8222-222222222222","createdAt":1783951000000,"cwd":"/tmp/cordis-inspect-jsdoc","delegationDepth":0} {"type":"turn/start","seq":0,"time":1784449176717,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1784449176718,"data":{"content":[{"type":"text","text":"Inspect the exact tools service API and tools/pre-execute event with cordis_inspect, then reply with exactly CORDIS_INSPECT_JSDOC_OK."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1784449176720,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1784449176720,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783951000005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} -{"type":"assistant/chunk","seq":5,"time":1783951000006,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":0,"id":"inspect-tools-api","name":"cordis_inspect","argumentsDelta":"{\"what\":\"api\",\"name\":\"tools\"}"}}} -{"type":"assistant/chunk","seq":6,"time":1783951000007,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}}}} -{"type":"assistant/chunk","seq":7,"time":1783951000008,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} -{"type":"assistant/chunk","seq":8,"time":1783951000009,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} -{"type":"assistant/message","seq":9,"time":1784449176722,"data":{"turn":1,"step":1,"content":[{"type":"tool-call","id":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[4,5,6,7,8],"surfaceOp":"append"} -{"type":"tool/call","seq":10,"time":1784449176722,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}} -{"type":"tool/result","seq":11,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[10],"surfaceOp":"append"} -{"type":"step/end","seq":12,"time":1784449176732,"data":{"turn":1,"step":1}} -{"type":"step/start","seq":13,"time":1784449176733,"data":{"turn":1,"step":2}} -{"type":"assistant/chunk","seq":14,"time":1783951000015,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} -{"type":"assistant/chunk","seq":15,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":0,"id":"inspect-tools-event","name":"cordis_inspect","argumentsDelta":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}}} -{"type":"assistant/chunk","seq":16,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}}}} -{"type":"assistant/chunk","seq":17,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} -{"type":"assistant/chunk","seq":18,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} -{"type":"assistant/message","seq":19,"time":1784449176734,"data":{"turn":1,"step":2,"content":[{"type":"tool-call","id":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[14,15,16,17,18],"surfaceOp":"append"} -{"type":"tool/call","seq":20,"time":1784449176734,"data":{"turn":1,"step":2,"callId":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}} -{"type":"tool/result","seq":21,"time":1784449176734,"data":{"turn":1,"step":2,"callId":"inspect-tools-event","content":[{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}],"isError":false},"sourceEventSeqs":[20],"surfaceOp":"append"} -{"type":"step/end","seq":22,"time":1784449176734,"data":{"turn":1,"step":2}} -{"type":"step/start","seq":23,"time":1784449176735,"data":{"turn":1,"step":3}} -{"type":"assistant/chunk","seq":24,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} -{"type":"assistant/chunk","seq":25,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"text-delta","index":0,"text":"CORDIS_INSPECT_JSDOC_OK"}}} -{"type":"assistant/chunk","seq":26,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"CORDIS_INSPECT_JSDOC_OK"}}}} -{"type":"assistant/chunk","seq":27,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} -{"type":"assistant/chunk","seq":28,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} -{"type":"assistant/message","seq":29,"time":1784449176735,"data":{"turn":1,"step":3,"content":[{"type":"text","text":"CORDIS_INSPECT_JSDOC_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[24,25,26,27,28],"surfaceOp":"append"} -{"type":"step/end","seq":30,"time":1784449176735,"data":{"turn":1,"step":3}} -{"type":"turn/end","seq":31,"time":1784449176735,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"session/title","seq":2,"time":1784449176718,"data":{"title":"Inspect the exact tools service","messageSeqs":[1],"source":{"kind":"fallback"}}} +{"type":"step/start","seq":3,"time":1784449176720,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":4,"time":1784449176720,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} +{"type":"assistant/chunk","seq":5,"time":1783951000005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":6,"time":1783951000006,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":0,"id":"inspect-tools-api","name":"cordis_inspect","argumentsDelta":"{\"what\":\"api\",\"name\":\"tools\"}"}}} +{"type":"assistant/chunk","seq":7,"time":1783951000007,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}}}} +{"type":"assistant/chunk","seq":8,"time":1783951000008,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":9,"time":1783951000009,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":10,"time":1784449176722,"data":{"turn":1,"step":1,"content":[{"type":"tool-call","id":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[5,6,7,8,9],"surfaceOp":"append"} +{"type":"tool/call","seq":11,"time":1784449176722,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","name":"cordis_inspect","arguments":"{\"what\":\"api\",\"name\":\"tools\"}"}} +{"type":"tool/result","seq":12,"time":1784449176732,"data":{"turn":1,"step":1,"callId":"inspect-tools-api","content":[{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}],"isError":false},"sourceEventSeqs":[11],"surfaceOp":"append"} +{"type":"step/end","seq":13,"time":1784449176732,"data":{"turn":1,"step":1}} +{"type":"step/start","seq":14,"time":1784449176733,"data":{"turn":1,"step":2}} +{"type":"assistant/chunk","seq":15,"time":1783951000015,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":16,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":0,"id":"inspect-tools-event","name":"cordis_inspect","argumentsDelta":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}}} +{"type":"assistant/chunk","seq":17,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}}}} +{"type":"assistant/chunk","seq":18,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":19,"time":1784449176734,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":20,"time":1784449176734,"data":{"turn":1,"step":2,"content":[{"type":"tool-call","id":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[15,16,17,18,19],"surfaceOp":"append"} +{"type":"tool/call","seq":21,"time":1784449176734,"data":{"turn":1,"step":2,"callId":"inspect-tools-event","name":"cordis_inspect","arguments":"{\"what\":\"events\",\"name\":\"tools/pre-execute\"}"}} +{"type":"tool/result","seq":22,"time":1784449176734,"data":{"turn":1,"step":2,"callId":"inspect-tools-event","content":[{"type":"text","text":"## events\n- tools/pre-execute [waterfall] — Allow, deny, or ask before dispatch.\n /**\n * Allow, deny, or ask before dispatch. `next()` delegates to allow; missing\n * approval support turns `ask` into denial.\n * Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent's calls.\n * @param exec - the pending call (name, parsed arguments, caller agent).\n * @mode waterfall\n */\n 'tools/pre-execute'(this: Scoped, exec: ToolExecution, next: () => Promise): Promise\nwaterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain."}],"isError":false},"sourceEventSeqs":[21],"surfaceOp":"append"} +{"type":"step/end","seq":23,"time":1784449176734,"data":{"turn":1,"step":2}} +{"type":"step/start","seq":24,"time":1784449176735,"data":{"turn":1,"step":3}} +{"type":"assistant/chunk","seq":25,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":26,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"text-delta","index":0,"text":"CORDIS_INSPECT_JSDOC_OK"}}} +{"type":"assistant/chunk","seq":27,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"CORDIS_INSPECT_JSDOC_OK"}}}} +{"type":"assistant/chunk","seq":28,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":29,"time":1784449176735,"data":{"turn":1,"step":3,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":30,"time":1784449176735,"data":{"turn":1,"step":3,"content":[{"type":"text","text":"CORDIS_INSPECT_JSDOC_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[25,26,27,28,29],"surfaceOp":"append"} +{"type":"step/end","seq":31,"time":1784449176735,"data":{"turn":1,"step":3}} +{"type":"turn/end","seq":32,"time":1784449176735,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl index e5fd8608d6..9956f49d5d 100644 --- a/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/stdout.expected.jsonl @@ -1,5 +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":"model","name":"Model","description":"Sets this session's provider and model.","category":"model","type":"select","currentValue":"[\"deepseek\",\"deepseek-v4-flash\"]","options":[{"value":"[\"deepseek\",\"deepseek-v4-flash\"]","name":"deepseek-v4-flash"},{"value":"[\"deepseek\",\"deepseek-v4-pro\"]","name":"deepseek-v4-pro"}]},{"id":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted temporary directories; wider retries require approval."},{"value":"danger-full-access","name":"danger-full-access","description":"Full file access without approval prompts."}]}]}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"session_info_update","title":"Inspect the exact tools service","updatedAt":"{{updatedAt}}"}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-api","title":"Inspect cordis runtime: api: tools","kind":"read","status":"in_progress"}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"inspect-tools-api","status":"completed","content":[{"type":"content","content":{"type":"text","text":"## api\n- tools — Tool registry and execution pipeline.\n /**\n * Register globally or in the calling agent scope. Scoped tools shadow\n * globals; duplicates within one layer and the reserved `run_code` name fail.\n * @param definition - the tool schema, execution, and optional presentation functions.\n * @returns the exact disposer that unregisters the tool.\n */\n register(definition: ToolDefinition): () => void\n /**\n * Restrict global tools for the calling agent scope. Empty filters, unknown\n * names, scope-local names, and reserved transport names fail. Restrictions\n * intersect; scoped registrations remain visible.\n * @param filter - global-surface mask: `allow` (keep only) and/or `deny` (remove).\n * @returns the exact disposer that lifts this restriction.\n */\n restrict(filter: ToolRestriction): () => void\n /**\n * Register a monotonic guard after the extensible `tools/pre-execute`\n * waterfall. A plain-context guard applies globally; one registered through\n * `agent.ctx` applies only to that agent. Any matching guard may deny by\n * returning a reason, while no guard can force-allow a call another guard\n * denied. The exact effect disposer is returned for ordered ownership and\n * HMR cleanup.\n * @param guard - synchronous check; a returned string denies the execution.\n * @returns the exact disposer that unregisters the guard.\n */\n guard(guard: ToolGuard): () => void\n /**\n * Look up a tool as one scope sees it (scoped\n * shadows global; a restricted-away global reads as absent). Presenters pass\n * the calling agent so the rendered card matches the definition that\n * actually executed.\n * @param name - the tool name as registered.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns the definition the scope resolves, or undefined when none is visible.\n */\n get(name: string, scope?: ScopeKey): ToolDefinition | undefined\n /**\n * Project visible definitions onto the allowlisted model-facing schema fields,\n * excluding execution and presentation callbacks.\n * @param scope - the viewing scope (the agent); omitted = the global view.\n * @returns one deep-cloned schema per visible tool.\n */\n schemas(scope?: ScopeKey): ToolSchema[]\n /**\n * Classify a pending call through the caller's visible tool definition. Only\n * an exact `true` is parallel; unknown, hidden, undeclared, invalid, or\n * throwing classifiers are exclusive.\n * @param exec - call name, parsed arguments, and optional agent scope.\n * @returns the fail-closed scheduling mode.\n */\n executionMode(exec: ToolExecutionInput): ToolExecutionMode\n /**\n * Execute through pre-policy, guards, around-dispatch, post-policy, and final\n * notification. Tool and listener failures resolve as materialized error\n * results; an invisible tool reports `UNKNOWN_TOOL`. The returned outcome is\n * the same lossless, frozen snapshot final observers receive.\n * @param exec - the typed same-process call input. The registry assigns its\n * correlation token before policy begins.\n * @returns the materialized final result.\n */\n async execute(exec: ToolExecutionInput): Promise\ntype shapes (referenced by the signatures above — read these before assuming a field is a string):\n export interface Agent {\n readonly id: SessionId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n readonly ctx: Context;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: InjectOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise;\n }\n export interface AgentOptions {\n provider?: string;\n model?: string;\n }\n export type AgentStatus = 'idle' | 'running' | 'disposed';\n export type Branded = string & {\n readonly [BRAND]: B;\n };\n export type CallId = Branded<'CallId'>;\n export interface DiffCallView {\n card: 'diff';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n }\n export interface DiffResultView {\n card: 'diff';\n title?: string;\n diffs: FileDiff[];\n }\n export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n }\n export interface FileLocation {\n path: string;\n line?: number;\n }\n export interface GenericCallView {\n card: 'generic';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n }\n export interface GenericResultView {\n card: 'generic';\n title?: string;\n content?: ContentBlock[];\n }\n export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n meta?: JsonValue;\n }\n export interface InjectOptions extends SendOptions {\n meta?: JsonValue;\n }\n export type JsonValue = null | boolean | number | string | JsonValue[] | {\n [key: string]: JsonValue;\n };\n export type MessageSource = MessageSourceMap[keyof MessageSourceMap];\n export interface MessageSourceMap {\n user: {\n kind: 'user';\n };\n plugin: {\n kind: 'plugin';\n plugin: string;\n };\n }\n export type ScopeKey = object;\n export interface SendOptions {\n source?: MessageSource;\n }\n export type SessionId = Branded<'SessionId'>;\n export interface TerminalCallView {\n card: 'terminal';\n title: string;\n description?: string;\n cwd?: string;\n }\n export interface TerminalResultView {\n card: 'terminal';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n }\n export type ToolCallKind = 'read' | 'edit' | 'delete' | 'move' | 'search' | 'execute' | 'fetch' | 'other';\n export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;\n export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolRunContext): Promise;\n timeoutMs?: number;\n isConcurrencySafe?(args: unknown): boolean;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n }\n export interface ToolErrorInfo {\n name: string;\n code: string;\n }\n export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n };\n export interface ToolExecution extends ToolExecutionInput {\n readonly token: ToolExecutionToken;\n }\n export interface ToolExecutionInput {\n readonly callId: CallId;\n readonly name: string;\n readonly arguments: unknown;\n readonly agent?: Agent;\n readonly parent?: ToolExecutionToken;\n signal?: AbortSignal;\n }\n export type ToolExecutionMode = {\n kind: 'parallel';\n } | {\n kind: 'exclusive';\n };\n export interface ToolExecutionResult {\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContexts?: HookContext[];\n meta?: unknown;\n }\n export type ToolExecutionToken = symbol & {\n readonly [toolExecutionTokenBrand]: true;\n };\n export type ToolGuard = (execution: Readonly) => string | undefined;\n export interface ToolRestriction {\n readonly allow?: readonly string[];\n readonly deny?: readonly string[];\n }\n export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n }\n export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;\n export interface ToolRunContext extends ToolExecution {\n deferContext(context: HookContext): void;\n }\n export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record;\n }"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"inspect-tools-event","title":"Inspect cordis runtime: events: tools/pre-execute","kind":"read","status":"in_progress"}}} diff --git a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl index 9773e5aa8c..19cb4eba84 100644 --- a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl +++ b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl @@ -1,7 +1,8 @@ {"type":"session","version":0,"id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}","delegationDepth":0} {"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":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"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,"failure":{"message":"simulated provider error (HTTP 401)","code":"AUTH"}}}} +{"type":"session/title","seq":2,"time":0,"data":{"title":"This prompt triggers a recorded","messageSeqs":[1],"source":{"kind":"fallback"}}} +{"type":"step/start","seq":3,"time":0,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":4,"time":0,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} +{"type":"step/end","seq":5,"time":0,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":6,"time":0,"data":{"turn":1,"reason":{"kind":"error","step":1,"failure":{"message":"simulated provider error (HTTP 401)","code":"AUTH"}}}} diff --git a/examples/acp-agent/tests/snapshots/error-finish/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/error-finish/stdout.expected.jsonl index f941121f12..156e2671d8 100644 --- a/examples/acp-agent/tests/snapshots/error-finish/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/error-finish/stdout.expected.jsonl @@ -1,4 +1,5 @@ {"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":"model","name":"Model","description":"Sets this session's provider and model.","category":"model","type":"select","currentValue":"[\"deepseek\",\"deepseek-v4-flash\"]","options":[{"value":"[\"deepseek\",\"deepseek-v4-flash\"]","name":"deepseek-v4-flash"},{"value":"[\"deepseek\",\"deepseek-v4-pro\"]","name":"deepseek-v4-pro"}]},{"id":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted 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Inspect the latest result and choose a different action, different arguments, or finish the task if enough evidence has been gathered."}],"source":{"kind":"plugin","plugin":"repeat-tool-guard"}},"surfaceOp":"append"} +{"type":"step/end","seq":60,"time":0,"data":{"turn":1,"step":5}} +{"type":"step/start","seq":61,"time":0,"data":{"turn":1,"step":6}} +{"type":"assistant/chunk","seq":62,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":63,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"text-delta","index":0,"text":"DONE."}}} +{"type":"assistant/chunk","seq":64,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"DONE."}}}} +{"type":"assistant/chunk","seq":65,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"usage","usage":{"inputTokens":10,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":66,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":67,"time":0,"data":{"turn":1,"step":6,"content":[{"type":"text","text":"DONE."}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":10,"outputTokens":3}},"sourceEventSeqs":[62,63,64,65,66],"surfaceOp":"append"} +{"type":"step/end","seq":68,"time":0,"data":{"turn":1,"step":6}} +{"type":"turn/end","seq":69,"time":0,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/repeat-tool-guard/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/repeat-tool-guard/stdout.expected.jsonl index 8469933a94..6b947f25cc 100644 --- a/examples/acp-agent/tests/snapshots/repeat-tool-guard/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/repeat-tool-guard/stdout.expected.jsonl @@ -1,5 +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":"model","name":"Model","description":"Sets this session's provider and model.","category":"model","type":"select","currentValue":"[\"deepseek\",\"deepseek-v4-flash\"]","options":[{"value":"[\"deepseek\",\"deepseek-v4-flash\"]","name":"deepseek-v4-flash"},{"value":"[\"deepseek\",\"deepseek-v4-pro\"]","name":"deepseek-v4-pro"}]},{"id":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted temporary directories; 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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":5,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":6,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Load the requested skill."}}} +{"type":"assistant/chunk","seq":7,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":8,"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":9,"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":10,"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":11,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}}}} +{"type":"assistant/chunk","seq":12,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":13,"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\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[5,6,7,8,9,10,11,12],"surfaceOp":"append"} +{"type":"tool/call","seq":14,"time":1783654655609,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"snapshot-skill\"}"}} +{"type":"tool/result","seq":15,"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. 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Now I should reply with \"PARENT_DONE\"."},{"type":"text","text":"PARENT_DONE"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":115,"outputTokens":35,"cacheReadTokens":3072,"reasoningTokens":30}},"sourceEventSeqs":[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],"surfaceOp":"append"} +{"type":"step/end","seq":206,"time":1783352131243,"data":{"turn":1,"step":3}} +{"type":"turn/end","seq":207,"time":1783352131243,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-multi/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/subagent-multi/stdout.expected.jsonl index bd4fb81d4a..160ab995f1 100644 --- a/examples/acp-agent/tests/snapshots/subagent-multi/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-multi/stdout.expected.jsonl @@ -1,5 +1,6 @@ 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temporary directories; wider retries require approval."},{"value":"danger-full-access","name":"danger-full-access","description":"Full file access without approval prompts."}]}]}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"session_info_update","title":"Use the subagent tool TWICE,","updatedAt":"{{updatedAt}}"}}} {"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":" user"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" wants"}}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-spawn/session.1.jsonl 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WORLD\n\nI can reply with DONE."}}}} +{"type":"assistant/chunk","seq":235,"time":1783352269538,"data":{"turn":1,"step":4,"chunk":{"type":"block-end","index":1,"block":{"type":"text","text":"DONE"}}}} +{"type":"assistant/chunk","seq":236,"time":1783352269538,"data":{"turn":1,"step":4,"chunk":{"type":"usage","usage":{"inputTokens":219,"outputTokens":25,"cacheReadTokens":3072,"reasoningTokens":22}}}} +{"type":"assistant/chunk","seq":237,"time":1783352269538,"data":{"turn":1,"step":4,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":238,"time":1783352269538,"data":{"turn":1,"step":4,"content":[{"type":"reasoning","text":"The file now has two lines:\n1. hello\n2. WORLD\n\nI can reply with DONE."},{"type":"text","text":"DONE"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":219,"outputTokens":25,"cacheReadTokens":3072,"reasoningTokens":22}},"sourceEventSeqs":[208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237],"surfaceOp":"append"} +{"type":"step/end","seq":239,"time":1783352269538,"data":{"turn":1,"step":4}} +{"type":"turn/end","seq":240,"time":1783352269539,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/workspace-edit/stdout.expected.jsonl b/examples/acp-agent/tests/snapshots/workspace-edit/stdout.expected.jsonl index 4e8db74ba6..f84885740e 100644 --- a/examples/acp-agent/tests/snapshots/workspace-edit/stdout.expected.jsonl +++ b/examples/acp-agent/tests/snapshots/workspace-edit/stdout.expected.jsonl @@ -1,5 +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":"model","name":"Model","description":"Sets this session's provider and model.","category":"model","type":"select","currentValue":"[\"deepseek\",\"deepseek-v4-flash\"]","options":[{"value":"[\"deepseek\",\"deepseek-v4-flash\"]","name":"deepseek-v4-flash"},{"value":"[\"deepseek\",\"deepseek-v4-pro\"]","name":"deepseek-v4-pro"}]},{"id":"permission","name":"Permissions","description":"The session permission preset: each choice bundles a sandbox mode and an approval policy.","category":"mode","type":"select","currentValue":"danger-full-access","options":[{"value":"workspace-write","name":"workspace-write","description":"Write inside the workspace and permitted temporary directories; wider retries require approval."},{"value":"danger-full-access","name":"danger-full-access","description":"Full file access without approval prompts."}]}]}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"session_info_update","title":"A file named greeting.txt in","updatedAt":"{{updatedAt}}"}}} {"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":" user"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" wants"}}}} diff --git a/examples/headless-agent/tests/headless.snapshot.ts b/examples/headless-agent/tests/headless.snapshot.ts index dc448b9b23..a8c10fe29c 100644 --- a/examples/headless-agent/tests/headless.snapshot.ts +++ b/examples/headless-agent/tests/headless.snapshot.ts @@ -4,7 +4,10 @@ import { fileURLToPath } from 'node:url' import { normalizeSessionLog, normalizeStdout, + refreshFixtureReplacements, scrubRequestHeaders, + stabilizeRefreshLog, + type HarvestedLog, type NormalizeContext, } from '@deepseek-ai/dsh-acp-snapshot' import { LOADER_SMOKE_TEST_TIMEOUT_MS, runLoaderSmoke } from '@deepseek-ai/dsh-loader-smoke' @@ -91,11 +94,12 @@ async function persistedLogs(cwd: string): Promise { describe('headless stream-json snapshots', () => { it('replays the advanced toolchain through the one-shot app', async () => { const prompt = await advancedPrompt() - const expectedSessions = await Promise.all([ + const fixtureFiles = [ sessionFixture, join(scenarioDir, 'session.1.jsonl'), join(scenarioDir, 'session.2.jsonl'), - ].map(file => readFile(file, 'utf8'))) + ] + let expectedSessions = await Promise.all(fixtureFiles.map(file => readFile(file, 'utf8'))) let runCwd = '' const result = await runLoaderSmoke({ label: 'advanced headless stream-json snapshot', @@ -121,6 +125,27 @@ describe('headless stream-json snapshots', () => { const children = logs.filter(log => typeof log.header.parentSession === 'string') .sort((left, right) => Number(left.header.createdAt) - Number(right.header.createdAt)) const actualSessions = [parent, ...children] + if (refreshing) { + const harvested = actualSessions.map((log): HarvestedLog => ({ + id: String(log.header.id), + createdAt: Number(log.header.createdAt), + ...typeof log.header.parentSession === 'string' + ? { parentSession: log.header.parentSession } + : {}, + content: log.content, + })) + const replacements = refreshFixtureReplacements(harvested, expectedSessions) + expectedSessions = await Promise.all(actualSessions.map(async (actual, index) => { + const existing = expectedSessions[index] + const file = fixtureFiles[index] + if (existing === undefined || file === undefined) { + throw new Error(`headless snapshot has no fixture for persisted log ${index}`) + } + const stable = stabilizeRefreshLog(actual.content, existing, replacements) + await writeFile(file, stable) + return stable + })) + } const actualContext = contextFromLogs(actualSessions.map(log => log.content)) const expectedContext = contextFromLogs(expectedSessions) for (const [index, actual] of actualSessions.entries()) { diff --git a/examples/headless-agent/tests/snapshots/advanced-toolchain/session.1.jsonl b/examples/headless-agent/tests/snapshots/advanced-toolchain/session.1.jsonl index d8affeaab8..2be525bb02 100644 --- a/examples/headless-agent/tests/snapshots/advanced-toolchain/session.1.jsonl +++ b/examples/headless-agent/tests/snapshots/advanced-toolchain/session.1.jsonl @@ -1,13 +1,14 @@ {"type":"session","version":0,"id":"22222222-2222-4222-8222-222222222222","createdAt":1783950001000,"cwd":"/tmp/advanced-headless","parentSession":"11111111-1111-4111-8111-111111111111","delegationDepth":1} {"type":"turn/start","seq":0,"time":1783957884563,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783957884563,"data":{"content":[{"type":"text","text":"Reply with exactly DIRECT_CHILD_OK and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783957884564,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783957884564,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783950001005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} -{"type":"assistant/chunk","seq":5,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"DIRECT_CHILD_OK"}}} -{"type":"assistant/chunk","seq":6,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"DIRECT_CHILD_OK"}}}} -{"type":"assistant/chunk","seq":7,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} -{"type":"assistant/chunk","seq":8,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} -{"type":"assistant/message","seq":9,"time":1783957884564,"data":{"turn":1,"step":1,"content":[{"type":"text","text":"DIRECT_CHILD_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[4,5,6,7,8],"surfaceOp":"append"} -{"type":"step/end","seq":10,"time":1783957884564,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":11,"time":1783957884564,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"session/title","seq":2,"time":1783957884563,"data":{"title":"Reply with exactly DIRECT_CHILD_OK and","messageSeqs":[1],"source":{"kind":"fallback"}}} +{"type":"step/start","seq":3,"time":1783957884564,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":4,"time":1783957884564,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are headless-agent, a coding assistant powered by the deepseek-v4-flash model. Your working directory is /tmp/advanced-headless.\n\nVerify your work by running the code or tests. Keep answers brief and factual.\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\nTrack every background task id you start. You are notified in-session when a task finishes — do not busy-poll or sleep on one; keep working on independent steps and do not duplicate a running task's work. Before giving a final answer, collect every still-relevant task with task_output (set wait: true only when you are genuinely blocked on it), and task_kill tasks that stopped mattering.\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]`. Current harness environment facts are exposed through managed `$DSH_*` variables; inspect them when needed. 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. 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; read its output with `task_output` and stop it with `task_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 (collect with task_output, stop with task_kill). No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Inspect the live cordis runtime that is running THIS agent. Read-only. Sections: `services` (every provided ctx service and the plugin fiber that owns it), `plugins` (a flat list of the loaded plugins with their lifecycle states), `tools` (the model-facing tools currently registered, i.e. what you can call), `dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), `api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), `events` (every harness event with its dispatch mode and exact signature — pick listener targets here). Omit `what` to get all six sections. With `what:\"api\"` or `what:\"events\"`, pass an exact `name` to narrow to one service/event and include its original source JSDoc. */\n cordis_inspect(args: {\n /** Limit the report to one section. Omit for all sections. */\n what?: \"services\" | \"plugins\" | \"tools\" | \"dynamic\" | \"api\" | \"events\";\n /** Exact service key or event name whose original JSDoc to include; valid only with what:\"api\" or what:\"events\". */\n name?: string;\n }): Promise;\n /** Mount a NEW cordis plugin into the live runtime that is running THIS agent (self-modification). `code` runs as the body of an async JavaScript function in an isolated sandbox and MUST `return` a plugin. Two forms: FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register tools, listen to events, and provide services, but reaching ANY service (e.g. ctx.bash) throws; use it only when you need no services. OBJECT form `return { name?, inject: ['bash', 'llm', …], apply(ctx) { … } }` — declares dependencies, and cordis activates the plugin only after the services exist; PREFER this form. You may reach ONLY the services you list in inject: an undeclared service throws even if it exists, because an undeclared dependency would not be cleaned up if its provider is unmounted. BEFORE calling a service from your code, read cordis_inspect what:\"api\" — it lists method signatures AND the type shapes of their arguments/returns (do not guess a field's type; e.g. a bash run's stdout is an object, not a string). Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe events (see cordis_inspect what:\"events\"), or call `harness.registerTool(ctx, harness.defineTool({ name, description, parameters: { text: { type: 'string', required: true } }, async execute(args) { … } }))` to give yourself a new tool — it becomes callable on your NEXT step. Tool parameters: each key IS a property — { type: 'string'|'number'|'boolean'|'object'|'array', required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style { type: 'object', properties, required: […] } wrapper and type 'integer' are also accepted and normalized. A tool's `execute` MUST return an ARRAY of content blocks, e.g. `return [{ type: 'text', text: someString }]` — never a bare string. Mounts can COMPOSE: one plugin may `ctx.provide('name', value)` a service and another may declare `inject: ['name']` to consume it — the consumer stays pending until the provider exists and returns to pending when the provider is unmounted. Everything registered inside `apply` is cleaned up automatically on unmount. Sandbox globals: `console` (tagged `[cordis:]`, writes through to the harness terminal), `harness.defineTool`, `harness.registerTool`, `btoa`, `atob`, `TextEncoder`, `TextDecoder`. Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect errors; `process` and `Buffer` are undefined. Instead use inject: ['fs'] + ctx.fs for files, inject: ['web'] + ctx.web for HTTP, inject: ['bash'] + ctx.bash for processes, and inject: ['timer'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, auto-cleaned on unmount) — cordis_inspect what:\"api\" shows what THIS runtime provides. Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a trailing `next` callback which MUST be called — returning without `next()` VETOES the call; prefer plain notification events unless you intend to intercept. (2) Never await something that only resolves after the current turn (your code runs INSIDE a tool call of that turn — it would deadlock). (3) Your `ctx` is a restricted façade: you can register tools, observe events, provide/consume services, and use timers, but framework internals (ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a security boundary though — the services you inject (e.g. ctx.bash) reach the real runtime. */\n cordis_mount(args: {\n /** Body of an async JS function; must `return` the plugin to mount. */\n code: string;\n }): Promise;\n /** Dispose a plugin previously mounted with cordis_mount, by id. All its registrations (event listeners, tools, services) are cleaned up through the cordis effect lifecycle. Returns only after disposal has fully completed (quiescence, not just a request to stop). */\n cordis_unmount(args: {\n /** The dynamic mount id returned by cordis_mount (e.g. \"dyn-1\"). */\n 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 /** 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. */\n skill(args: {\n /** The exact skill name from the available skills list. */\n name: string;\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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`. */\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 /** Run as a background task and return its id; collect with task_output or stop with task_kill. */\n run_in_background?: boolean;\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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`. */\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 /** Run as a background task and return its id; collect with task_output or stop with task_kill. */\n run_in_background?: boolean;\n }): Promise;\n /** Request cancellation of a running background task by task id. Returns immediately; the task settles as killed once its work actually stops. */\n task_kill(args: {\n /** Task id returned by the tool that started the background work. */\n task_id: string;\n /** Optional short reason, recorded in the log and forwarded to the task. */\n reason?: string;\n }): Promise;\n /** List your background tasks (running and finished) with their ids, kinds, and statuses. */\n task_list(args: Record): Promise;\n /** Read a background task. Stream tasks return only output since the previous read; final-output tasks return their result after settlement. Every response ends with `[status: ...]`. Reads are non-blocking unless `wait: true`, which waits up to the configured cap. */\n task_output(args: {\n /** Task id returned by the tool that started the background work. */\n task_id: string;\n /** Block until the task reaches a terminal status or the timeout expires. A timed-out wait returns [status: running] and leaves the task alive. */\n wait?: boolean;\n /** Max wait in milliseconds (only meaningful with wait: true). Defaults to the configured wait timeout; capped by the configured maximum. */\n timeout_ms?: number;\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?, provider?, 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), and independent `provider`/`model` LLM target overrides (either may be provided alone). 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 provider override this phase is expected to use. */\n provider?: 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]`. Current harness environment facts are exposed through managed `$DSH_*` variables; inspect them when needed. 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. 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; read its output with `task_output` and stop it with `task_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 (collect with task_output, stop with task_kill). No timeout applies."}},"required":["command","description"]}},{"name":"cordis_inspect","description":"Inspect the live cordis runtime that is running THIS agent. Read-only. Sections: `services` (every provided ctx service and the plugin fiber that owns it), `plugins` (a flat list of the loaded plugins with their lifecycle states), `tools` (the model-facing tools currently registered, i.e. what you can call), `dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), `api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), `events` (every harness event with its dispatch mode and exact signature — pick listener targets here). Omit `what` to get all six sections. With `what:\"api\"` or `what:\"events\"`, pass an exact `name` to narrow to one service/event and include its original source JSDoc.","parameters":{"type":"object","properties":{"what":{"type":"string","description":"Limit the report to one section. Omit for all sections.","enum":["services","plugins","tools","dynamic","api","events"]},"name":{"type":"string","description":"Exact service key or event name whose original JSDoc to include; valid only with what:\"api\" or what:\"events\"."}}}},{"name":"cordis_mount","description":"Mount a NEW cordis plugin into the live runtime that is running THIS agent (self-modification). `code` runs as the body of an async JavaScript function in an isolated sandbox and MUST `return` a plugin. Two forms: FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register tools, listen to events, and provide services, but reaching ANY service (e.g. ctx.bash) throws; use it only when you need no services. OBJECT form `return { name?, inject: ['bash', 'llm', …], apply(ctx) { … } }` — declares dependencies, and cordis activates the plugin only after the services exist; PREFER this form. You may reach ONLY the services you list in inject: an undeclared service throws even if it exists, because an undeclared dependency would not be cleaned up if its provider is unmounted. BEFORE calling a service from your code, read cordis_inspect what:\"api\" — it lists method signatures AND the type shapes of their arguments/returns (do not guess a field's type; e.g. a bash run's stdout is an object, not a string). Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe events (see cordis_inspect what:\"events\"), or call `harness.registerTool(ctx, harness.defineTool({ name, description, parameters: { text: { type: 'string', required: true } }, async execute(args) { … } }))` to give yourself a new tool — it becomes callable on your NEXT step. Tool parameters: each key IS a property — { type: 'string'|'number'|'boolean'|'object'|'array', required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style { type: 'object', properties, required: […] } wrapper and type 'integer' are also accepted and normalized. A tool's `execute` MUST return an ARRAY of content blocks, e.g. `return [{ type: 'text', text: someString }]` — never a bare string. Mounts can COMPOSE: one plugin may `ctx.provide('name', value)` a service and another may declare `inject: ['name']` to consume it — the consumer stays pending until the provider exists and returns to pending when the provider is unmounted. Everything registered inside `apply` is cleaned up automatically on unmount. Sandbox globals: `console` (tagged `[cordis:]`, writes through to the harness terminal), `harness.defineTool`, `harness.registerTool`, `btoa`, `atob`, `TextEncoder`, `TextDecoder`. Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect errors; `process` and `Buffer` are undefined. Instead use inject: ['fs'] + ctx.fs for files, inject: ['web'] + ctx.web for HTTP, inject: ['bash'] + ctx.bash for processes, and inject: ['timer'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, auto-cleaned on unmount) — cordis_inspect what:\"api\" shows what THIS runtime provides. Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a trailing `next` callback which MUST be called — returning without `next()` VETOES the call; prefer plain notification events unless you intend to intercept. (2) Never await something that only resolves after the current turn (your code runs INSIDE a tool call of that turn — it would deadlock). (3) Your `ctx` is a restricted façade: you can register tools, observe events, provide/consume services, and use timers, but framework internals (ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a security boundary though — the services you inject (e.g. ctx.bash) reach the real runtime.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"Body of an async JS function; must `return` the plugin to mount."}},"required":["code"]}},{"name":"cordis_unmount","description":"Dispose a plugin previously mounted with cordis_mount, by id. All its registrations (event listeners, tools, services) are cleaned up through the cordis effect lifecycle. Returns only after disposal has fully completed (quiescence, not just a request to stop).","parameters":{"type":"object","properties":{"id":{"type":"string","description":"The dynamic mount id returned by cordis_mount (e.g. \"dyn-1\")."}},"required":["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":"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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.","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."},"run_in_background":{"type":"boolean","description":"Run as a background task and return its id; collect with task_output or stop with task_kill."}},"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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.","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."},"run_in_background":{"type":"boolean","description":"Run as a background task and return its id; collect with task_output or stop with task_kill."}},"required":["description","prompt"]}},{"name":"task_kill","description":"Request cancellation of a running background task by task id. Returns immediately; the task settles as killed once its work actually stops.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the tool that started the background work."},"reason":{"type":"string","description":"Optional short reason, recorded in the log and forwarded to the task."}},"required":["task_id"]}},{"name":"task_list","description":"List your background tasks (running and finished) with their ids, kinds, and statuses.","parameters":{"type":"object","properties":{}}},{"name":"task_output","description":"Read a background task. Stream tasks return only output since the previous read; final-output tasks return their result after settlement. Every response ends with `[status: ...]`. Reads are non-blocking unless `wait: true`, which waits up to the configured cap.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the tool that started the background work."},"wait":{"type":"boolean","description":"Block until the task reaches a terminal status or the timeout expires. A timed-out wait returns [status: running] and leaves the task alive."},"timeout_ms":{"type":"number","description":"Max wait in milliseconds (only meaningful with wait: true). Defaults to the configured wait timeout; capped by the configured maximum."}},"required":["task_id"]}},{"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?, provider?, 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), and independent `provider`/`model` LLM target overrides (either may be provided alone). 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."},"provider":{"type":"string","description":"Optional provider override this phase is expected to use."},"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":5,"time":1783950001005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":6,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"DIRECT_CHILD_OK"}}} +{"type":"assistant/chunk","seq":7,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"DIRECT_CHILD_OK"}}}} +{"type":"assistant/chunk","seq":8,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":9,"time":1783957884564,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":10,"time":1783957884564,"data":{"turn":1,"step":1,"content":[{"type":"text","text":"DIRECT_CHILD_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[5,6,7,8,9],"surfaceOp":"append"} +{"type":"step/end","seq":11,"time":1783957884564,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":12,"time":1783957884564,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/headless-agent/tests/snapshots/advanced-toolchain/session.2.jsonl b/examples/headless-agent/tests/snapshots/advanced-toolchain/session.2.jsonl index f0b6154472..8e56b0edc2 100644 --- a/examples/headless-agent/tests/snapshots/advanced-toolchain/session.2.jsonl +++ b/examples/headless-agent/tests/snapshots/advanced-toolchain/session.2.jsonl @@ -1,13 +1,14 @@ {"type":"session","version":0,"id":"33333333-3333-4333-8333-333333333333","createdAt":1783950002000,"cwd":"/tmp/advanced-headless","parentSession":"11111111-1111-4111-8111-111111111111","delegationDepth":1} {"type":"turn/start","seq":0,"time":1783957884700,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783957884700,"data":{"content":[{"type":"text","text":"Reply with exactly WORKFLOW_CHILD_OK and nothing else."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783957884700,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783957884701,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783950002005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} -{"type":"assistant/chunk","seq":5,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"WORKFLOW_CHILD_OK"}}} -{"type":"assistant/chunk","seq":6,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"WORKFLOW_CHILD_OK"}}}} -{"type":"assistant/chunk","seq":7,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} -{"type":"assistant/chunk","seq":8,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} -{"type":"assistant/message","seq":9,"time":1783957884701,"data":{"turn":1,"step":1,"content":[{"type":"text","text":"WORKFLOW_CHILD_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[4,5,6,7,8],"surfaceOp":"append"} -{"type":"step/end","seq":10,"time":1783957884701,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":11,"time":1783957884701,"data":{"turn":1,"reason":{"kind":"completed"}}} +{"type":"session/title","seq":2,"time":1783957884700,"data":{"title":"Reply with exactly WORKFLOW_CHILD_OK and","messageSeqs":[1],"source":{"kind":"fallback"}}} +{"type":"step/start","seq":3,"time":1783957884700,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":4,"time":1783957884701,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are headless-agent, a coding assistant powered by the deepseek-v4-flash model. Your working directory is /tmp/advanced-headless.\n\nVerify your work by running the code or tests. Keep answers brief and factual.\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\nTrack every background task id you start. You are notified in-session when a task finishes — do not busy-poll or sleep on one; keep working on independent steps and do not duplicate a running task's work. Before giving a final answer, collect every still-relevant task with task_output (set wait: true only when you are genuinely blocked on it), and task_kill tasks that stopped mattering.\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]`. Current harness environment facts are exposed through managed `$DSH_*` variables; inspect them when needed. 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. 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; read its output with `task_output` and stop it with `task_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 (collect with task_output, stop with task_kill). No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Inspect the live cordis runtime that is running THIS agent. Read-only. Sections: `services` (every provided ctx service and the plugin fiber that owns it), `plugins` (a flat list of the loaded plugins with their lifecycle states), `tools` (the model-facing tools currently registered, i.e. what you can call), `dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), `api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), `events` (every harness event with its dispatch mode and exact signature — pick listener targets here). Omit `what` to get all six sections. With `what:\"api\"` or `what:\"events\"`, pass an exact `name` to narrow to one service/event and include its original source JSDoc. */\n cordis_inspect(args: {\n /** Limit the report to one section. Omit for all sections. */\n what?: \"services\" | \"plugins\" | \"tools\" | \"dynamic\" | \"api\" | \"events\";\n /** Exact service key or event name whose original JSDoc to include; valid only with what:\"api\" or what:\"events\". */\n name?: string;\n }): Promise;\n /** Mount a NEW cordis plugin into the live runtime that is running THIS agent (self-modification). `code` runs as the body of an async JavaScript function in an isolated sandbox and MUST `return` a plugin. Two forms: FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register tools, listen to events, and provide services, but reaching ANY service (e.g. ctx.bash) throws; use it only when you need no services. OBJECT form `return { name?, inject: ['bash', 'llm', …], apply(ctx) { … } }` — declares dependencies, and cordis activates the plugin only after the services exist; PREFER this form. You may reach ONLY the services you list in inject: an undeclared service throws even if it exists, because an undeclared dependency would not be cleaned up if its provider is unmounted. BEFORE calling a service from your code, read cordis_inspect what:\"api\" — it lists method signatures AND the type shapes of their arguments/returns (do not guess a field's type; e.g. a bash run's stdout is an object, not a string). Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe events (see cordis_inspect what:\"events\"), or call `harness.registerTool(ctx, harness.defineTool({ name, description, parameters: { text: { type: 'string', required: true } }, async execute(args) { … } }))` to give yourself a new tool — it becomes callable on your NEXT step. Tool parameters: each key IS a property — { type: 'string'|'number'|'boolean'|'object'|'array', required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style { type: 'object', properties, required: […] } wrapper and type 'integer' are also accepted and normalized. A tool's `execute` MUST return an ARRAY of content blocks, e.g. `return [{ type: 'text', text: someString }]` — never a bare string. Mounts can COMPOSE: one plugin may `ctx.provide('name', value)` a service and another may declare `inject: ['name']` to consume it — the consumer stays pending until the provider exists and returns to pending when the provider is unmounted. Everything registered inside `apply` is cleaned up automatically on unmount. Sandbox globals: `console` (tagged `[cordis:]`, writes through to the harness terminal), `harness.defineTool`, `harness.registerTool`, `btoa`, `atob`, `TextEncoder`, `TextDecoder`. Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect errors; `process` and `Buffer` are undefined. Instead use inject: ['fs'] + ctx.fs for files, inject: ['web'] + ctx.web for HTTP, inject: ['bash'] + ctx.bash for processes, and inject: ['timer'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, auto-cleaned on unmount) — cordis_inspect what:\"api\" shows what THIS runtime provides. Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a trailing `next` callback which MUST be called — returning without `next()` VETOES the call; prefer plain notification events unless you intend to intercept. (2) Never await something that only resolves after the current turn (your code runs INSIDE a tool call of that turn — it would deadlock). (3) Your `ctx` is a restricted façade: you can register tools, observe events, provide/consume services, and use timers, but framework internals (ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a security boundary though — the services you inject (e.g. ctx.bash) reach the real runtime. */\n cordis_mount(args: {\n /** Body of an async JS function; must `return` the plugin to mount. */\n code: string;\n }): Promise;\n /** Dispose a plugin previously mounted with cordis_mount, by id. All its registrations (event listeners, tools, services) are cleaned up through the cordis effect lifecycle. Returns only after disposal has fully completed (quiescence, not just a request to stop). */\n cordis_unmount(args: {\n /** The dynamic mount id returned by cordis_mount (e.g. \"dyn-1\"). */\n 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 /** 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. */\n skill(args: {\n /** The exact skill name from the available skills list. */\n name: string;\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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`. */\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 /** Run as a background task and return its id; collect with task_output or stop with task_kill. */\n run_in_background?: boolean;\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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`. */\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 /** Run as a background task and return its id; collect with task_output or stop with task_kill. */\n run_in_background?: boolean;\n }): Promise;\n /** Request cancellation of a running background task by task id. Returns immediately; the task settles as killed once its work actually stops. */\n task_kill(args: {\n /** Task id returned by the tool that started the background work. */\n task_id: string;\n /** Optional short reason, recorded in the log and forwarded to the task. */\n reason?: string;\n }): Promise;\n /** List your background tasks (running and finished) with their ids, kinds, and statuses. */\n task_list(args: Record): Promise;\n /** Read a background task. Stream tasks return only output since the previous read; final-output tasks return their result after settlement. Every response ends with `[status: ...]`. Reads are non-blocking unless `wait: true`, which waits up to the configured cap. */\n task_output(args: {\n /** Task id returned by the tool that started the background work. */\n task_id: string;\n /** Block until the task reaches a terminal status or the timeout expires. A timed-out wait returns [status: running] and leaves the task alive. */\n wait?: boolean;\n /** Max wait in milliseconds (only meaningful with wait: true). Defaults to the configured wait timeout; capped by the configured maximum. */\n timeout_ms?: number;\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?, provider?, 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), and independent `provider`/`model` LLM target overrides (either may be provided alone). 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 provider override this phase is expected to use. */\n provider?: 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]`. Current harness environment facts are exposed through managed `$DSH_*` variables; inspect them when needed. 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. 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; read its output with `task_output` and stop it with `task_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 (collect with task_output, stop with task_kill). No timeout applies."}},"required":["command","description"]}},{"name":"cordis_inspect","description":"Inspect the live cordis runtime that is running THIS agent. Read-only. Sections: `services` (every provided ctx service and the plugin fiber that owns it), `plugins` (a flat list of the loaded plugins with their lifecycle states), `tools` (the model-facing tools currently registered, i.e. what you can call), `dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), `api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), `events` (every harness event with its dispatch mode and exact signature — pick listener targets here). Omit `what` to get all six sections. With `what:\"api\"` or `what:\"events\"`, pass an exact `name` to narrow to one service/event and include its original source JSDoc.","parameters":{"type":"object","properties":{"what":{"type":"string","description":"Limit the report to one section. Omit for all sections.","enum":["services","plugins","tools","dynamic","api","events"]},"name":{"type":"string","description":"Exact service key or event name whose original JSDoc to include; valid only with what:\"api\" or what:\"events\"."}}}},{"name":"cordis_mount","description":"Mount a NEW cordis plugin into the live runtime that is running THIS agent (self-modification). `code` runs as the body of an async JavaScript function in an isolated sandbox and MUST `return` a plugin. Two forms: FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register tools, listen to events, and provide services, but reaching ANY service (e.g. ctx.bash) throws; use it only when you need no services. OBJECT form `return { name?, inject: ['bash', 'llm', …], apply(ctx) { … } }` — declares dependencies, and cordis activates the plugin only after the services exist; PREFER this form. You may reach ONLY the services you list in inject: an undeclared service throws even if it exists, because an undeclared dependency would not be cleaned up if its provider is unmounted. BEFORE calling a service from your code, read cordis_inspect what:\"api\" — it lists method signatures AND the type shapes of their arguments/returns (do not guess a field's type; e.g. a bash run's stdout is an object, not a string). Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe events (see cordis_inspect what:\"events\"), or call `harness.registerTool(ctx, harness.defineTool({ name, description, parameters: { text: { type: 'string', required: true } }, async execute(args) { … } }))` to give yourself a new tool — it becomes callable on your NEXT step. Tool parameters: each key IS a property — { type: 'string'|'number'|'boolean'|'object'|'array', required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style { type: 'object', properties, required: […] } wrapper and type 'integer' are also accepted and normalized. A tool's `execute` MUST return an ARRAY of content blocks, e.g. `return [{ type: 'text', text: someString }]` — never a bare string. Mounts can COMPOSE: one plugin may `ctx.provide('name', value)` a service and another may declare `inject: ['name']` to consume it — the consumer stays pending until the provider exists and returns to pending when the provider is unmounted. Everything registered inside `apply` is cleaned up automatically on unmount. Sandbox globals: `console` (tagged `[cordis:]`, writes through to the harness terminal), `harness.defineTool`, `harness.registerTool`, `btoa`, `atob`, `TextEncoder`, `TextDecoder`. Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect errors; `process` and `Buffer` are undefined. Instead use inject: ['fs'] + ctx.fs for files, inject: ['web'] + ctx.web for HTTP, inject: ['bash'] + ctx.bash for processes, and inject: ['timer'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, auto-cleaned on unmount) — cordis_inspect what:\"api\" shows what THIS runtime provides. Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a trailing `next` callback which MUST be called — returning without `next()` VETOES the call; prefer plain notification events unless you intend to intercept. (2) Never await something that only resolves after the current turn (your code runs INSIDE a tool call of that turn — it would deadlock). (3) Your `ctx` is a restricted façade: you can register tools, observe events, provide/consume services, and use timers, but framework internals (ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a security boundary though — the services you inject (e.g. ctx.bash) reach the real runtime.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"Body of an async JS function; must `return` the plugin to mount."}},"required":["code"]}},{"name":"cordis_unmount","description":"Dispose a plugin previously mounted with cordis_mount, by id. All its registrations (event listeners, tools, services) are cleaned up through the cordis effect lifecycle. Returns only after disposal has fully completed (quiescence, not just a request to stop).","parameters":{"type":"object","properties":{"id":{"type":"string","description":"The dynamic mount id returned by cordis_mount (e.g. \"dyn-1\")."}},"required":["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":"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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.","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."},"run_in_background":{"type":"boolean","description":"Run as a background task and return its id; collect with task_output or stop with task_kill."}},"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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.","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."},"run_in_background":{"type":"boolean","description":"Run as a background task and return its id; collect with task_output or stop with task_kill."}},"required":["description","prompt"]}},{"name":"task_kill","description":"Request cancellation of a running background task by task id. Returns immediately; the task settles as killed once its work actually stops.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the tool that started the background work."},"reason":{"type":"string","description":"Optional short reason, recorded in the log and forwarded to the task."}},"required":["task_id"]}},{"name":"task_list","description":"List your background tasks (running and finished) with their ids, kinds, and statuses.","parameters":{"type":"object","properties":{}}},{"name":"task_output","description":"Read a background task. Stream tasks return only output since the previous read; final-output tasks return their result after settlement. Every response ends with `[status: ...]`. Reads are non-blocking unless `wait: true`, which waits up to the configured cap.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the tool that started the background work."},"wait":{"type":"boolean","description":"Block until the task reaches a terminal status or the timeout expires. A timed-out wait returns [status: running] and leaves the task alive."},"timeout_ms":{"type":"number","description":"Max wait in milliseconds (only meaningful with wait: true). Defaults to the configured wait timeout; capped by the configured maximum."}},"required":["task_id"]}},{"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?, provider?, 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), and independent `provider`/`model` LLM target overrides (either may be provided alone). 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."},"provider":{"type":"string","description":"Optional provider override this phase is expected to use."},"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":5,"time":1783950002005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":6,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"WORKFLOW_CHILD_OK"}}} +{"type":"assistant/chunk","seq":7,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"WORKFLOW_CHILD_OK"}}}} +{"type":"assistant/chunk","seq":8,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":9,"time":1783957884701,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}} +{"type":"assistant/message","seq":10,"time":1783957884701,"data":{"turn":1,"step":1,"content":[{"type":"text","text":"WORKFLOW_CHILD_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[5,6,7,8,9],"surfaceOp":"append"} +{"type":"step/end","seq":11,"time":1783957884701,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":12,"time":1783957884701,"data":{"turn":1,"reason":{"kind":"completed"}}} diff --git a/examples/headless-agent/tests/snapshots/advanced-toolchain/session.jsonl b/examples/headless-agent/tests/snapshots/advanced-toolchain/session.jsonl index 045d7879df..b9e37ea8f9 100644 --- a/examples/headless-agent/tests/snapshots/advanced-toolchain/session.jsonl +++ b/examples/headless-agent/tests/snapshots/advanced-toolchain/session.jsonl @@ -1,64 +1,65 @@ {"type":"session","version":0,"id":"11111111-1111-4111-8111-111111111111","createdAt":1783950000000,"cwd":"/tmp/advanced-headless","delegationDepth":0} {"type":"turn/start","seq":0,"time":1783957884479,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":1783957884479,"data":{"content":[{"type":"text","text":"Run this advanced flow exactly once: mount a no-op Cordis plugin named snapshot-marker; use run_code to inspect the live dynamic mounts through tools.cordis_inspect; delegate once to a direct spawn child; run one workflow that delegates to another spawn child; unmount dyn-1; then reply with exactly ADVANCED_HEADLESS_OK."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783957884486,"data":{"turn":1,"step":1}} -{"type":"request/header","seq":3,"time":1783957884486,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} -{"type":"assistant/chunk","seq":4,"time":1783950000005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} -{"type":"assistant/chunk","seq":5,"time":1783950000006,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":0,"id":"advanced-mount","name":"cordis_mount","argumentsDelta":"{\"code\":\"return { name: 'snapshot-marker', apply() {} }\"}"}}} 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+{"type":"session/title","seq":2,"time":1783957884479,"data":{"title":"Run this advanced flow exactly","messageSeqs":[1],"source":{"kind":"fallback"}}} +{"type":"step/start","seq":3,"time":1783957884486,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":4,"time":1783957884486,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are headless-agent, a coding assistant powered by the deepseek-v4-flash model. Your working directory is /tmp/advanced-headless.\n\nVerify your work by running the code or tests. Keep answers brief and factual.\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\nTrack every background task id you start. You are notified in-session when a task finishes — do not busy-poll or sleep on one; keep working on independent steps and do not duplicate a running task's work. Before giving a final answer, collect every still-relevant task with task_output (set wait: true only when you are genuinely blocked on it), and task_kill tasks that stopped mattering.\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]`. Current harness environment facts are exposed through managed `$DSH_*` variables; inspect them when needed. 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. 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; read its output with `task_output` and stop it with `task_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 (collect with task_output, stop with task_kill). No timeout applies. */\n run_in_background?: boolean;\n }): Promise;\n /** Inspect the live cordis runtime that is running THIS agent. Read-only. Sections: `services` (every provided ctx service and the plugin fiber that owns it), `plugins` (a flat list of the loaded plugins with their lifecycle states), `tools` (the model-facing tools currently registered, i.e. what you can call), `dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), `api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), `events` (every harness event with its dispatch mode and exact signature — pick listener targets here). Omit `what` to get all six sections. With `what:\"api\"` or `what:\"events\"`, pass an exact `name` to narrow to one service/event and include its original source JSDoc. */\n cordis_inspect(args: {\n /** Limit the report to one section. Omit for all sections. */\n what?: \"services\" | \"plugins\" | \"tools\" | \"dynamic\" | \"api\" | \"events\";\n /** Exact service key or event name whose original JSDoc to include; valid only with what:\"api\" or what:\"events\". */\n name?: string;\n }): Promise;\n /** Mount a NEW cordis plugin into the live runtime that is running THIS agent (self-modification). `code` runs as the body of an async JavaScript function in an isolated sandbox and MUST `return` a plugin. Two forms: FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register tools, listen to events, and provide services, but reaching ANY service (e.g. ctx.bash) throws; use it only when you need no services. OBJECT form `return { name?, inject: ['bash', 'llm', …], apply(ctx) { … } }` — declares dependencies, and cordis activates the plugin only after the services exist; PREFER this form. You may reach ONLY the services you list in inject: an undeclared service throws even if it exists, because an undeclared dependency would not be cleaned up if its provider is unmounted. BEFORE calling a service from your code, read cordis_inspect what:\"api\" — it lists method signatures AND the type shapes of their arguments/returns (do not guess a field's type; e.g. a bash run's stdout is an object, not a string). Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe events (see cordis_inspect what:\"events\"), or call `harness.registerTool(ctx, harness.defineTool({ name, description, parameters: { text: { type: 'string', required: true } }, async execute(args) { … } }))` to give yourself a new tool — it becomes callable on your NEXT step. Tool parameters: each key IS a property — { type: 'string'|'number'|'boolean'|'object'|'array', required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style { type: 'object', properties, required: […] } wrapper and type 'integer' are also accepted and normalized. A tool's `execute` MUST return an ARRAY of content blocks, e.g. `return [{ type: 'text', text: someString }]` — never a bare string. Mounts can COMPOSE: one plugin may `ctx.provide('name', value)` a service and another may declare `inject: ['name']` to consume it — the consumer stays pending until the provider exists and returns to pending when the provider is unmounted. Everything registered inside `apply` is cleaned up automatically on unmount. Sandbox globals: `console` (tagged `[cordis:]`, writes through to the harness terminal), `harness.defineTool`, `harness.registerTool`, `btoa`, `atob`, `TextEncoder`, `TextDecoder`. Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect errors; `process` and `Buffer` are undefined. Instead use inject: ['fs'] + ctx.fs for files, inject: ['web'] + ctx.web for HTTP, inject: ['bash'] + ctx.bash for processes, and inject: ['timer'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, auto-cleaned on unmount) — cordis_inspect what:\"api\" shows what THIS runtime provides. Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a trailing `next` callback which MUST be called — returning without `next()` VETOES the call; prefer plain notification events unless you intend to intercept. (2) Never await something that only resolves after the current turn (your code runs INSIDE a tool call of that turn — it would deadlock). (3) Your `ctx` is a restricted façade: you can register tools, observe events, provide/consume services, and use timers, but framework internals (ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a security boundary though — the services you inject (e.g. ctx.bash) reach the real runtime. */\n cordis_mount(args: {\n /** Body of an async JS function; must `return` the plugin to mount. */\n code: string;\n }): Promise;\n /** Dispose a plugin previously mounted with cordis_mount, by id. All its registrations (event listeners, tools, services) are cleaned up through the cordis effect lifecycle. Returns only after disposal has fully completed (quiescence, not just a request to stop). */\n cordis_unmount(args: {\n /** The dynamic mount id returned by cordis_mount (e.g. \"dyn-1\"). */\n 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 /** 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. */\n skill(args: {\n /** The exact skill name from the available skills list. */\n name: string;\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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`. */\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 /** Run as a background task and return its id; collect with task_output or stop with task_kill. */\n run_in_background?: boolean;\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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`. */\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 /** Run as a background task and return its id; collect with task_output or stop with task_kill. */\n run_in_background?: boolean;\n }): Promise;\n /** Request cancellation of a running background task by task id. Returns immediately; the task settles as killed once its work actually stops. */\n task_kill(args: {\n /** Task id returned by the tool that started the background work. */\n task_id: string;\n /** Optional short reason, recorded in the log and forwarded to the task. */\n reason?: string;\n }): Promise;\n /** List your background tasks (running and finished) with their ids, kinds, and statuses. */\n task_list(args: Record): Promise;\n /** Read a background task. Stream tasks return only output since the previous read; final-output tasks return their result after settlement. Every response ends with `[status: ...]`. Reads are non-blocking unless `wait: true`, which waits up to the configured cap. */\n task_output(args: {\n /** Task id returned by the tool that started the background work. */\n task_id: string;\n /** Block until the task reaches a terminal status or the timeout expires. A timed-out wait returns [status: running] and leaves the task alive. */\n wait?: boolean;\n /** Max wait in milliseconds (only meaningful with wait: true). Defaults to the configured wait timeout; capped by the configured maximum. */\n timeout_ms?: number;\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?, provider?, 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), and independent `provider`/`model` LLM target overrides (either may be provided alone). 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 provider override this phase is expected to use. */\n provider?: 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]`. Current harness environment facts are exposed through managed `$DSH_*` variables; inspect them when needed. 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. 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; read its output with `task_output` and stop it with `task_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 (collect with task_output, stop with task_kill). No timeout applies."}},"required":["command","description"]}},{"name":"cordis_inspect","description":"Inspect the live cordis runtime that is running THIS agent. Read-only. Sections: `services` (every provided ctx service and the plugin fiber that owns it), `plugins` (a flat list of the loaded plugins with their lifecycle states), `tools` (the model-facing tools currently registered, i.e. what you can call), `dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), `api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), `events` (every harness event with its dispatch mode and exact signature — pick listener targets here). Omit `what` to get all six sections. With `what:\"api\"` or `what:\"events\"`, pass an exact `name` to narrow to one service/event and include its original source JSDoc.","parameters":{"type":"object","properties":{"what":{"type":"string","description":"Limit the report to one section. Omit for all sections.","enum":["services","plugins","tools","dynamic","api","events"]},"name":{"type":"string","description":"Exact service key or event name whose original JSDoc to include; valid only with what:\"api\" or what:\"events\"."}}}},{"name":"cordis_mount","description":"Mount a NEW cordis plugin into the live runtime that is running THIS agent (self-modification). `code` runs as the body of an async JavaScript function in an isolated sandbox and MUST `return` a plugin. Two forms: FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register tools, listen to events, and provide services, but reaching ANY service (e.g. ctx.bash) throws; use it only when you need no services. OBJECT form `return { name?, inject: ['bash', 'llm', …], apply(ctx) { … } }` — declares dependencies, and cordis activates the plugin only after the services exist; PREFER this form. You may reach ONLY the services you list in inject: an undeclared service throws even if it exists, because an undeclared dependency would not be cleaned up if its provider is unmounted. BEFORE calling a service from your code, read cordis_inspect what:\"api\" — it lists method signatures AND the type shapes of their arguments/returns (do not guess a field's type; e.g. a bash run's stdout is an object, not a string). Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe events (see cordis_inspect what:\"events\"), or call `harness.registerTool(ctx, harness.defineTool({ name, description, parameters: { text: { type: 'string', required: true } }, async execute(args) { … } }))` to give yourself a new tool — it becomes callable on your NEXT step. Tool parameters: each key IS a property — { type: 'string'|'number'|'boolean'|'object'|'array', required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style { type: 'object', properties, required: […] } wrapper and type 'integer' are also accepted and normalized. A tool's `execute` MUST return an ARRAY of content blocks, e.g. `return [{ type: 'text', text: someString }]` — never a bare string. Mounts can COMPOSE: one plugin may `ctx.provide('name', value)` a service and another may declare `inject: ['name']` to consume it — the consumer stays pending until the provider exists and returns to pending when the provider is unmounted. Everything registered inside `apply` is cleaned up automatically on unmount. Sandbox globals: `console` (tagged `[cordis:]`, writes through to the harness terminal), `harness.defineTool`, `harness.registerTool`, `btoa`, `atob`, `TextEncoder`, `TextDecoder`. Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect errors; `process` and `Buffer` are undefined. Instead use inject: ['fs'] + ctx.fs for files, inject: ['web'] + ctx.web for HTTP, inject: ['bash'] + ctx.bash for processes, and inject: ['timer'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, auto-cleaned on unmount) — cordis_inspect what:\"api\" shows what THIS runtime provides. Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a trailing `next` callback which MUST be called — returning without `next()` VETOES the call; prefer plain notification events unless you intend to intercept. (2) Never await something that only resolves after the current turn (your code runs INSIDE a tool call of that turn — it would deadlock). (3) Your `ctx` is a restricted façade: you can register tools, observe events, provide/consume services, and use timers, but framework internals (ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a security boundary though — the services you inject (e.g. ctx.bash) reach the real runtime.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"Body of an async JS function; must `return` the plugin to mount."}},"required":["code"]}},{"name":"cordis_unmount","description":"Dispose a plugin previously mounted with cordis_mount, by id. All its registrations (event listeners, tools, services) are cleaned up through the cordis effect lifecycle. Returns only after disposal has fully completed (quiescence, not just a request to stop).","parameters":{"type":"object","properties":{"id":{"type":"string","description":"The dynamic mount id returned by cordis_mount (e.g. \"dyn-1\")."}},"required":["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":"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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.","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."},"run_in_background":{"type":"boolean","description":"Run as a background task and return its id; collect with task_output or stop with task_kill."}},"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. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.","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."},"run_in_background":{"type":"boolean","description":"Run as a background task and return its id; collect with task_output or stop with task_kill."}},"required":["description","prompt"]}},{"name":"task_kill","description":"Request cancellation of a running background task by task id. Returns immediately; the task settles as killed once its work actually stops.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the tool that started the background work."},"reason":{"type":"string","description":"Optional short reason, recorded in the log and forwarded to the task."}},"required":["task_id"]}},{"name":"task_list","description":"List your background tasks (running and finished) with their ids, kinds, and statuses.","parameters":{"type":"object","properties":{}}},{"name":"task_output","description":"Read a background task. Stream tasks return only output since the previous read; final-output tasks return their result after settlement. Every response ends with `[status: ...]`. Reads are non-blocking unless `wait: true`, which waits up to the configured cap.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the tool that started the background work."},"wait":{"type":"boolean","description":"Block until the task reaches a terminal status or the timeout expires. A timed-out wait returns [status: running] and leaves the task alive."},"timeout_ms":{"type":"number","description":"Max wait in milliseconds (only meaningful with wait: true). Defaults to the configured wait timeout; capped by the configured maximum."}},"required":["task_id"]}},{"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?, provider?, 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), and independent `provider`/`model` LLM target overrides (either may be provided alone). 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."},"provider":{"type":"string","description":"Optional provider override this phase is expected to use."},"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":5,"time":1783950000005,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":6,"time":1783950000006,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":0,"id":"advanced-mount","name":"cordis_mount","argumentsDelta":"{\"code\":\"return { name: 'snapshot-marker', apply() {} }\"}"}}} +{"type":"assistant/chunk","seq":7,"time":1783950000007,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"advanced-mount","name":"cordis_mount","arguments":"{\"code\":\"return { name: 'snapshot-marker', apply() {} }\"}"}}}} +{"type":"assistant/chunk","seq":8,"time":1783950000008,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":9,"time":1783950000009,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":10,"time":1783957884487,"data":{"turn":1,"step":1,"content":[{"type":"tool-call","id":"advanced-mount","name":"cordis_mount","arguments":"{\"code\":\"return { name: 'snapshot-marker', apply() {} }\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[5,6,7,8,9],"surfaceOp":"append"} +{"type":"tool/call","seq":11,"time":1783957884487,"data":{"turn":1,"step":1,"callId":"advanced-mount","name":"cordis_mount","arguments":"{\"code\":\"return { name: 'snapshot-marker', apply() {} }\"}"}} +{"type":"tool/result","seq":12,"time":1783957884488,"data":{"turn":1,"step":1,"callId":"advanced-mount","content":[{"type":"text","text":"mounted dyn-1 (plugin \"snapshot-marker\", state: active)"}],"isError":false},"sourceEventSeqs":[11],"surfaceOp":"append"} +{"type":"step/end","seq":13,"time":1783957884489,"data":{"turn":1,"step":1}} +{"type":"step/start","seq":14,"time":1783957884489,"data":{"turn":1,"step":2}} +{"type":"assistant/chunk","seq":15,"time":1783950000015,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":16,"time":1783950000016,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":0,"id":"advanced-code","name":"run_code","argumentsDelta":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}}} +{"type":"assistant/chunk","seq":17,"time":1783950000017,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"advanced-code","name":"run_code","arguments":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}}}} +{"type":"assistant/chunk","seq":18,"time":1783950000018,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":19,"time":1783950000019,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":20,"time":1783957884490,"data":{"turn":1,"step":2,"content":[{"type":"tool-call","id":"advanced-code","name":"run_code","arguments":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[15,16,17,18,19],"surfaceOp":"append"} +{"type":"tool/call","seq":21,"time":1783957884490,"data":{"turn":1,"step":2,"callId":"advanced-code","name":"run_code","arguments":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}} +{"type":"tool/code-dispatch","seq":22,"time":1783957884560,"data":{"parentCallId":"advanced-code","subCallId":"advanced-code:code:1","name":"cordis_inspect","arguments":{"what":"dynamic"},"isError":false,"resultSummary":"## dynamic\n- dyn-1: snapshot-marker [active]"}} +{"type":"tool/result","seq":23,"time":1783957884561,"data":{"turn":1,"step":2,"callId":"advanced-code","content":[{"type":"text","text":"## dynamic\n- dyn-1: snapshot-marker [active]"}],"isError":false,"meta":{"logs":[]}},"sourceEventSeqs":[21],"surfaceOp":"append"} +{"type":"step/end","seq":24,"time":1783957884561,"data":{"turn":1,"step":2}} +{"type":"step/start","seq":25,"time":1783957884562,"data":{"turn":1,"step":3}} +{"type":"assistant/chunk","seq":26,"time":1783950000026,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":27,"time":1783950000027,"data":{"turn":1,"step":3,"chunk":{"type":"tool-call-delta","index":0,"id":"advanced-direct-child","name":"subagent","argumentsDelta":"{\"description\":\"Check direct child\",\"prompt\":\"Reply with exactly DIRECT_CHILD_OK and nothing else.\"}"}}} +{"type":"assistant/chunk","seq":28,"time":1783950000028,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"advanced-direct-child","name":"subagent","arguments":"{\"description\":\"Check direct child\",\"prompt\":\"Reply with exactly DIRECT_CHILD_OK and nothing else.\"}"}}}} +{"type":"assistant/chunk","seq":29,"time":1783950000029,"data":{"turn":1,"step":3,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}} +{"type":"assistant/chunk","seq":30,"time":1783950000030,"data":{"turn":1,"step":3,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":31,"time":1783957884562,"data":{"turn":1,"step":3,"content":[{"type":"tool-call","id":"advanced-direct-child","name":"subagent","arguments":"{\"description\":\"Check direct child\",\"prompt\":\"Reply with exactly DIRECT_CHILD_OK and nothing 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'workflow-child' })\\nreturn { reply }\",\"meta\":{\"name\":\"advanced-headless-snapshot\",\"description\":\"exercise one workflow child through the headless agent\"}}"}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"tool/result","seq":43,"time":0,"data":{"turn":1,"step":4,"callId":"advanced-workflow","content":[{"type":"text","text":"workflow \"advanced-headless-snapshot\" completed (1 agent).\nReturn value:\n{\n \"reply\": \"WORKFLOW_CHILD_OK\"\n}"}],"isError":false},"sourceEventSeqs":[42],"surfaceOp":"append"}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/end","seq":44,"time":0,"data":{"turn":1,"step":4}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/start","seq":45,"time":0,"data":{"turn":1,"step":5}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":46,"time":0,"data":{"turn":1,"step":5,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}}} 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+{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/end","seq":54,"time":0,"data":{"turn":1,"step":5}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/start","seq":55,"time":0,"data":{"turn":1,"step":6}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":56,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"block-start","index":0,"blockType":"text"}}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":57,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"text-delta","index":0,"text":"ADVANCED_HEADLESS_OK"}}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":58,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"ADVANCED_HEADLESS_OK"}}}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":59,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":60,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"finish","reason":{"kind":"stop"}}}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/message","seq":61,"time":0,"data":{"turn":1,"step":6,"content":[{"type":"text","text":"ADVANCED_HEADLESS_OK"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[56,57,58,59,60],"surfaceOp":"append"}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/end","seq":62,"time":0,"data":{"turn":1,"step":6}}} +{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"turn/end","seq":63,"time":0,"data":{"turn":1,"reason":{"kind":"completed"}}}} {"type":"result","success":true,"sessionId":"{{sessionId}}","turn":1,"result":"ADVANCED_HEADLESS_OK","reason":{"kind":"completed"},"usage":{"inputTokens":18,"outputTokens":18}} diff --git a/examples/tui-agent/tests/snapshots/bash-terminal-card/terminal.expected.txt b/examples/tui-agent/tests/snapshots/bash-terminal-card/terminal.expected.txt index 29ea17fd66..0c207a568f 100644 --- a/examples/tui-agent/tests/snapshots/bash-terminal-card/terminal.expected.txt +++ b/examples/tui-agent/tests/snapshots/bash-terminal-card/terminal.expected.txt @@ -1,6 +1,6 @@ terminal 100x36 buffer=normal length=36 base=0 viewport=0 lifecycle started=1 stopped=0 progress=inactive -title "DSH TUI snapshot" +title "Use the bash tool to — DSH TUI snapshot" cursor hidden column=1 viewportRow=27 bufferRow=27 buffer 0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────╮" @@ -10,9 +10,9 @@ buffer style 2-9 fg=bright-blue bold style 11-17 bold style 99-99 fg=bright-blue -2| "│ Recorded replay: bash-terminal-card │" +2| "│ Use the bash tool to │" style 0-0 fg=bright-blue - style 2-36 fg=bright-black + style 2-21 fg=bright-black style 99-99 fg=bright-blue 3| "│ deepseek-v4-flash • main-session │" style 0-0 fg=bright-blue diff --git a/examples/tui-agent/tests/snapshots/code-mode/terminal.expected.txt b/examples/tui-agent/tests/snapshots/code-mode/terminal.expected.txt index 2850e0c7d0..0f3faaea43 100644 --- a/examples/tui-agent/tests/snapshots/code-mode/terminal.expected.txt +++ b/examples/tui-agent/tests/snapshots/code-mode/terminal.expected.txt @@ -1,6 +1,6 @@ terminal 100x36 buffer=normal length=36 base=0 viewport=0 lifecycle started=1 stopped=0 progress=inactive -title "DSH TUI snapshot" +title "Using ONE run_code program: call — DSH TUI snapshot" cursor hidden column=1 viewportRow=29 bufferRow=29 buffer 0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────╮" @@ -10,9 +10,9 @@ buffer style 2-9 fg=bright-blue bold style 11-17 bold style 99-99 fg=bright-blue -2| "│ Recorded replay: code-mode │" +2| "│ Using ONE run_code program: call │" style 0-0 fg=bright-blue - style 2-27 fg=bright-black + style 2-33 fg=bright-black style 99-99 fg=bright-blue 3| "│ deepseek-v4-flash • main-session │" style 0-0 fg=bright-blue diff --git a/examples/tui-agent/tests/snapshots/cordis-dynamic-toolchain/terminal.expected.txt b/examples/tui-agent/tests/snapshots/cordis-dynamic-toolchain/terminal.expected.txt index e4e6d0a040..a1e9385844 100644 --- a/examples/tui-agent/tests/snapshots/cordis-dynamic-toolchain/terminal.expected.txt +++ b/examples/tui-agent/tests/snapshots/cordis-dynamic-toolchain/terminal.expected.txt @@ -1,6 +1,6 @@ terminal 100x36 buffer=normal length=50 base=14 viewport=14 lifecycle started=1 stopped=0 progress=inactive -title "DSH TUI snapshot" +title "Run this advanced flow exactly — DSH TUI snapshot" cursor hidden column=1 viewportRow=33 bufferRow=47 buffer 0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────╮" @@ -10,9 +10,9 @@ buffer style 2-9 fg=bright-blue bold style 11-17 bold style 99-99 fg=bright-blue -2| "│ Recorded replay: cordis-dynamic-toolchain │" +2| "│ Run this advanced flow exactly │" style 0-0 fg=bright-blue - style 2-42 fg=bright-black + style 2-31 fg=bright-black style 99-99 fg=bright-blue 3| "│ deepseek-v4-flash • main-session │" style 0-0 fg=bright-blue diff --git a/examples/tui-agent/tests/snapshots/dynamic-workflow/terminal.expected.txt b/examples/tui-agent/tests/snapshots/dynamic-workflow/terminal.expected.txt index 459fddd90c..de42357cc6 100644 --- a/examples/tui-agent/tests/snapshots/dynamic-workflow/terminal.expected.txt +++ b/examples/tui-agent/tests/snapshots/dynamic-workflow/terminal.expected.txt @@ -1,6 +1,6 @@ terminal 100x36 buffer=normal length=47 base=11 viewport=11 lifecycle started=1 stopped=0 progress=inactive -title "DSH TUI snapshot" +title "Use the workflow tool exactly — DSH TUI snapshot" cursor hidden column=1 viewportRow=33 bufferRow=44 buffer 0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────╮" @@ -10,9 +10,9 @@ buffer style 2-9 fg=bright-blue bold style 11-17 bold style 99-99 fg=bright-blue -2| "│ Recorded replay: dynamic-workflow │" +2| "│ Use the workflow tool exactly │" style 0-0 fg=bright-blue - style 2-34 fg=bright-black + style 2-30 fg=bright-black style 99-99 fg=bright-blue 3| "│ deepseek-v4-flash • main-session │" style 0-0 fg=bright-blue diff --git a/examples/tui-agent/tests/snapshots/multi-turn-conversation/terminal.expected.txt b/examples/tui-agent/tests/snapshots/multi-turn-conversation/terminal.expected.txt index d56db72ccb..f421a99ba3 100644 --- a/examples/tui-agent/tests/snapshots/multi-turn-conversation/terminal.expected.txt +++ b/examples/tui-agent/tests/snapshots/multi-turn-conversation/terminal.expected.txt @@ -1,6 +1,6 @@ terminal 100x36 buffer=normal length=36 base=0 viewport=0 lifecycle started=1 stopped=0 progress=inactive -title "DSH TUI snapshot" +title "Reply with exactly the word: — DSH TUI snapshot" cursor hidden column=1 viewportRow=28 bufferRow=28 buffer 0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────╮" @@ -10,9 +10,9 @@ buffer style 2-9 fg=bright-blue bold style 11-17 bold style 99-99 fg=bright-blue -2| "│ Recorded replay: multi-turn-conversation │" +2| "│ Reply with exactly the word: │" style 0-0 fg=bright-blue - style 2-41 fg=bright-black + style 2-29 fg=bright-black style 99-99 fg=bright-blue 3| "│ deepseek-v4-flash • main-session │" style 0-0 fg=bright-blue diff --git a/examples/tui-agent/tests/snapshots/parallel-file-reads/terminal.expected.txt b/examples/tui-agent/tests/snapshots/parallel-file-reads/terminal.expected.txt index f4c3d83b3d..f27bc5c9a9 100644 --- a/examples/tui-agent/tests/snapshots/parallel-file-reads/terminal.expected.txt +++ b/examples/tui-agent/tests/snapshots/parallel-file-reads/terminal.expected.txt @@ -1,6 +1,6 @@ terminal 100x36 buffer=normal length=39 base=3 viewport=3 lifecycle started=1 stopped=0 progress=inactive -title "DSH TUI snapshot" +title "Use the read tool twice — DSH TUI snapshot" cursor hidden column=1 viewportRow=33 bufferRow=36 buffer 0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────╮" @@ -10,9 +10,9 @@ buffer style 2-9 fg=bright-blue bold style 11-17 bold style 99-99 fg=bright-blue -2| "│ Recorded replay: parallel-file-reads │" +2| "│ Use the read tool twice │" style 0-0 fg=bright-blue - style 2-37 fg=bright-black + style 2-24 fg=bright-black style 99-99 fg=bright-blue 3| "│ deepseek-v4-flash • main-session │" style 0-0 fg=bright-blue diff --git a/examples/tui-agent/tests/snapshots/todo-plan/terminal.expected.txt b/examples/tui-agent/tests/snapshots/todo-plan/terminal.expected.txt index 527e6e4016..ac658c8735 100644 --- a/examples/tui-agent/tests/snapshots/todo-plan/terminal.expected.txt +++ b/examples/tui-agent/tests/snapshots/todo-plan/terminal.expected.txt @@ -1,6 +1,6 @@ terminal 100x36 buffer=normal length=36 base=0 viewport=0 lifecycle started=1 stopped=0 progress=inactive -title "DSH TUI snapshot" +title "Use the todo_write tool to — DSH TUI snapshot" cursor hidden column=1 viewportRow=33 bufferRow=33 buffer 0| "╭──────────────────────────────────────────────────────────────────────────────────────────────────╮" @@ -10,7 +10,7 @@ buffer style 2-9 fg=bright-blue bold style 11-17 bold style 99-99 fg=bright-blue -2| "│ Recorded replay: todo-plan │" +2| "│ Use the todo_write tool to │" style 0-0 fg=bright-blue style 2-27 fg=bright-black style 99-99 fg=bright-blue diff --git a/packages/examples/agent-spine-demo/src/index.ts b/packages/examples/agent-spine-demo/src/index.ts index c074fa05c6..213e618a3d 100644 --- a/packages/examples/agent-spine-demo/src/index.ts +++ b/packages/examples/agent-spine-demo/src/index.ts @@ -13,6 +13,7 @@ import Timer from '@cordisjs/plugin-timer' import z from 'schemastery' import LlmService from '@deepseek-ai/dsh-llm' import SessionStore from '@deepseek-ai/dsh-session' +import SessionTitleService from '@deepseek-ai/dsh-session-title' import SystemPrompt, { type Config as SystemPromptConfig } from '@deepseek-ai/dsh-system-prompt' import ToolRegistry, { type Config as ToolsConfig } from '@deepseek-ai/dsh-tools' import SkillService, { type Config as SkillRegistryConfig } from '@deepseek-ai/dsh-skill' @@ -155,6 +156,11 @@ export function apply(ctx: Context, config: Config): void { ctx.plugin(Timer) ctx.plugin(LlmService) ctx.plugin(SessionStore) + ctx.plugin(SessionTitleService, { + fallbackMaxWords: 5, + fallbackMaxBytes: 40, + maxTitleBytes: 80, + }) // Owner schemas resolve defaults; forward toolOrder only when explicitly set. ctx.plugin(SystemPrompt, { persona: config.persona ?? '', diff --git a/packages/examples/agent-spine-demo/tests/agent-core.spec.ts b/packages/examples/agent-spine-demo/tests/agent-core.spec.ts index d8adee4f84..ffc0b3d339 100644 --- a/packages/examples/agent-spine-demo/tests/agent-core.spec.ts +++ b/packages/examples/agent-spine-demo/tests/agent-core.spec.ts @@ -118,6 +118,7 @@ describe('dsh-agent-spine-demo bundle', () => { expect(ctx.get('timer')).toBeDefined() expect(ctx.get('llm')).toBeDefined() expect(ctx.get('sessions')).toBeDefined() + expect(ctx.get('sessionTitle')).toBeDefined() expect(ctx.get('systemPrompt')).toBeDefined() expect(ctx.get('tools')).toBeDefined() expect(ctx.get('skills')).toBeDefined() @@ -153,6 +154,7 @@ describe('dsh-agent-spine-demo bundle', () => { expect(retryEvents).toHaveLength(1) expect(retryEvents[0]?.data.retry).toBe(1) expect(retryEvents[0]?.data.maxRetries).toBe(1) + expect(handle.agent.session.events.find(event => event.type === 'session/title')?.data.title).toBe('recover') expect(messageText(handle.agent.session.deriveMessages().at(-1))).toBe('recovered by bundled policy') await handle.dispose() await ctx.fiber.dispose() diff --git a/packages/session-query/session-query/src/index.ts b/packages/session-query/session-query/src/index.ts index bd35b51442..79a2e1fc18 100644 --- a/packages/session-query/session-query/src/index.ts +++ b/packages/session-query/session-query/src/index.ts @@ -7,6 +7,8 @@ import { Context, Service } from 'cordis' import z from 'schemastery' import type { SessionId } from '@deepseek-ai/dsh-session' +import { foldSessionTitle } from '@deepseek-ai/dsh-session-title' +import type { SessionTitleSnapshot } from '@deepseek-ai/dsh-session-title' import type { SessionEventReadRequest, SessionEventRecord, @@ -64,6 +66,16 @@ export class SessionQueryService extends Service { return this._corpus.listSessions() } + /** + * Fold the latest log-backed title from one live-preferred logical session. + * @param sessionId - live or persisted session id to read. + * @returns latest title snapshot, or `undefined` when the log has no title event. + */ + async readTitle(sessionId: SessionId): Promise { + const loaded = await this._corpus.load(sessionId) + return foldSessionTitle(loaded.events) + } + /** * List lightweight raw-log event records for one logical session. * @param sessionId - live-preferred session id to read. diff --git a/packages/session-query/session-query/tests/session-query.spec.ts b/packages/session-query/session-query/tests/session-query.spec.ts index f532edf168..afabb4ef7c 100644 --- a/packages/session-query/session-query/tests/session-query.spec.ts +++ b/packages/session-query/session-query/tests/session-query.spec.ts @@ -6,6 +6,7 @@ import SessionPersistence from '@deepseek-ai/dsh-session-persistence' import SessionQueryService, { type SessionQueryErrorCode, } from '@deepseek-ai/dsh-session-query' +import { SessionTitleProviderId } from '@deepseek-ai/dsh-session-title' function header(id: string, createdAt = 1, extra: Partial = {}): SessionHeader { return { version: SESSION_FORMAT_VERSION, id: SessionId(id), createdAt, ...extra } @@ -85,6 +86,58 @@ function rejectUnknown(reason: unknown): Promise { } describe('session-query exact reads', () => { + it('reads the latest title from one live-preferred or persisted log without widening listSessions', async () => { + const persistedHeader = header('persisted-title', 2) + const sharedHeader = header('shared-title', 3) + TestPersistence.reset([ + { + meta: persistedHeader, + events: [{ + type: 'session/title', + seq: 0, + time: 20, + data: { + title: 'Persisted title', + messageSeqs: [4], + source: { kind: 'fallback' }, + }, + }], + }, + { + meta: sharedHeader, + events: [{ + type: 'session/title', + seq: 0, + time: 30, + data: { + title: 'Stale durable title', + messageSeqs: [1], + source: { kind: 'fallback' }, + }, + }], + }, + ]) + const ctx = await liveContext() + const shared = ctx.sessions.create(sharedHeader.id, { meta: { createdAt: 3 } }) + shared.append('session/title', { + title: 'Live title', + messageSeqs: [7], + source: { + kind: 'provider', + provider: SessionTitleProviderId('query-test'), + }, + }) + await ctx.plugin(TestPersistence) + + await expect(ctx.sessionQuery.readTitle(persistedHeader.id)).resolves.toMatchObject({ + title: 'Persisted title', eventSeq: 0, updatedAt: 20, + }) + await expect(ctx.sessionQuery.readTitle(shared.id)).resolves.toMatchObject({ + title: 'Live title', eventSeq: 0, + }) + expect(Object.keys((await ctx.sessionQuery.listSessions())[0]!)).toEqual(['header', 'live', 'persisted']) + }) + it('lists live sessions deterministically and returns detached headers', async () => { const ctx = await liveContext() const older = ctx.sessions.create(SessionId('older'), { meta: { createdAt: 1 } }) diff --git a/packages/support/acp-snapshot/src/index.ts b/packages/support/acp-snapshot/src/index.ts index 4d99cc96a2..7e1e20d6c5 100644 --- a/packages/support/acp-snapshot/src/index.ts +++ b/packages/support/acp-snapshot/src/index.ts @@ -41,6 +41,8 @@ export { } from './normalize.ts' export { defineAcpSnapshotSuite, + refreshFixtureReplacements, + stabilizeRefreshLog, type Scenario, type SnapshotSuiteOptions, } from './suite.ts' diff --git a/packages/support/acp-snapshot/src/normalize.ts b/packages/support/acp-snapshot/src/normalize.ts index 0c21046eb2..d16d85ed85 100644 --- a/packages/support/acp-snapshot/src/normalize.ts +++ b/packages/support/acp-snapshot/src/normalize.ts @@ -11,6 +11,7 @@ const CWD = '{{cwd}}' const SYSTEM = '{{system}}' const TOOLS = '{{tools}}' const MESSAGE_PREFIX = '{{messagePrefix}}' +const UPDATED_AT = '{{updatedAt}}' /** A UUID v4 string, the shape `randomUUID()` produces for session ids. */ const UUID_RE = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/gi @@ -85,6 +86,8 @@ export function normalizeStdout(rawStdout: string, ctx: NormalizeContext): strin if ('id' in frame && frame.id !== undefined && frame.id !== null) { frame.id = stableId(frame.id) } + const update = (frame.params as { update?: Record } | undefined)?.update + if (update?.sessionUpdate === 'session_info_update') update.updatedAt = UPDATED_AT return scrubValue(frame, ctx) as Record }) return frames.map(f => JSON.stringify(f)).join('\n') + '\n' diff --git a/packages/support/acp-snapshot/src/suite.ts b/packages/support/acp-snapshot/src/suite.ts index 60f5cfeadb..ba4269a053 100644 --- a/packages/support/acp-snapshot/src/suite.ts +++ b/packages/support/acp-snapshot/src/suite.ts @@ -420,8 +420,21 @@ export function stabilizeRefreshLog(fresh: string, existing: string, replacement for (const { from, to } of replacements) stable = stable.split(from).join(to) const existingRecords = parseJsonlRecords(existing) const records = parseJsonlRecords(stable) + let existingIndex = 0 + let previousEventTime: unknown for (let i = 0; i < records.length; i++) { - preserveFixtureVolatiles(records[i] as Record, existingRecords[i]) + const record = records[i] as Record + const existingRecord = existingRecords[existingIndex] + const insertedTitle = record.type === 'session/title' && existingRecord?.type !== 'session/title' + if (insertedTitle) { + /* v8 ignore next -- a title is turn-enclosed, so a preceding event time exists in every valid fixture. */ + if (typeof previousEventTime !== 'number') throw new Error('acp-snapshot: inserted title has no preceding event time') + record.time = previousEventTime + } else { + preserveFixtureVolatiles(record, existingRecord) + existingIndex += 1 + } + if (typeof record.time === 'number') previousEventTime = record.time } return records.map(record => JSON.stringify(record)).join('\n') + '\n' } diff --git a/packages/support/acp-snapshot/tests/normalize.spec.ts b/packages/support/acp-snapshot/tests/normalize.spec.ts index 2beaba5114..e5957c34e0 100644 --- a/packages/support/acp-snapshot/tests/normalize.spec.ts +++ b/packages/support/acp-snapshot/tests/normalize.spec.ts @@ -55,6 +55,24 @@ describe('normalizeStdout', () => { expect(out).not.toContain('"id"') }) + it('stabilizes the timestamp carried by session title updates', () => { + const raw = JSON.stringify({ + jsonrpc: '2.0', + method: 'session/update', + params: { + sessionId: ctx.sessionIds[0], + update: { + sessionUpdate: 'session_info_update', + title: 'Stable title', + updatedAt: '2026-07-20T17:03:13.689Z', + }, + }, + }) + const out = normalizeStdout(raw, ctx) + expect(out).toContain('"updatedAt":"{{updatedAt}}"') + expect(out).not.toContain('2026-07-20T17:03:13.689Z') + }) + it('throws on a non-JSON stdout line (the purity check)', () => { const raw = `${JSON.stringify({ jsonrpc: '2.0', id: 1 })}\noops a log leaked\n` expect(() => normalizeStdout(raw, ctx)).toThrow() diff --git a/packages/support/acp-snapshot/tests/suite.spec.ts b/packages/support/acp-snapshot/tests/suite.spec.ts index 6fbb06bb9d..f6ef253801 100644 --- a/packages/support/acp-snapshot/tests/suite.spec.ts +++ b/packages/support/acp-snapshot/tests/suite.spec.ts @@ -407,6 +407,36 @@ describe('refreshFixtureReplacements', () => { }) describe('stabilizeRefreshLog', () => { + it('aligns volatile times across a newly inserted log event', () => { + const fresh = [ + '{"type":"session","id":"same","createdAt":200}', + '{"type":"turn/start","seq":0,"time":21}', + '{"type":"user/message","seq":1,"time":22}', + '{"type":"session/title","seq":2,"time":999}', + '{"type":"step/start","seq":3,"time":1000}', + '{"type":"request/header","seq":4,"time":1001}', + '', + ].join('\n') + const existing = [ + '{"type":"session","id":"same","createdAt":100}', + '{"type":"turn/start","seq":0,"time":11}', + '{"type":"user/message","seq":1,"time":12}', + '{"type":"step/start","seq":2,"time":13}', + '{"type":"request/header","seq":3,"time":14}', + '', + ].join('\n') + + expect(stabilizeRefreshLog(fresh, existing, [])).toBe([ + '{"type":"session","id":"same","createdAt":100}', + '{"type":"turn/start","seq":0,"time":11}', + '{"type":"user/message","seq":1,"time":12}', + '{"type":"session/title","seq":2,"time":12}', + '{"type":"step/start","seq":3,"time":13}', + '{"type":"request/header","seq":4,"time":14}', + '', + ].join('\n')) + }) + 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}', diff --git a/packages/ui/acp/src/index.ts b/packages/ui/acp/src/index.ts index 38eeb3f914..07c5c49ac2 100644 --- a/packages/ui/acp/src/index.ts +++ b/packages/ui/acp/src/index.ts @@ -50,6 +50,8 @@ import { SessionId } from '@deepseek-ai/dsh-session' // Side-effect type import: resolves `ctx.get('permission')` to the service. import type {} from '@deepseek-ai/dsh-permission' import type { SessionEvent, TodoItem, TurnEndReason } from '@deepseek-ai/dsh-session' +// Side-effect type import: adds the log-only session/title event translated below. +import type {} from '@deepseek-ai/dsh-session-title' import type { ToolCallView, ToolRegistry, ToolResultView, TerminalResultView } from '@deepseek-ai/dsh-tools' // Side-effect type import: declaration-merges `ctx.sessionPersistence` onto // Context (the bridge injects it and reads `list()` for load cwd validation). @@ -1123,6 +1125,17 @@ export function streamSessionEventUpdate( notify({ sessionId, update: { sessionUpdate: 'plan', ...todosToPlan(event.data.todos) } }) return } + case 'session/title': { + notify({ + sessionId, + update: { + sessionUpdate: 'session_info_update', + title: event.data.title, + updatedAt: new Date(event.time).toISOString(), + }, + }) + return + } case 'turn/end': { if (event.data.reason.kind !== 'error' || !('failure' in event.data.reason)) return const text = `\n\n[Model attempt failed; any partial output above is discarded: ${event.data.reason.failure.message}]\n\n` diff --git a/packages/ui/acp/tests/load.spec.ts b/packages/ui/acp/tests/load.spec.ts index 1d84727de4..e8617a2b83 100644 --- a/packages/ui/acp/tests/load.spec.ts +++ b/packages/ui/acp/tests/load.spec.ts @@ -4,6 +4,7 @@ import { tmpdir } from 'node:os' import { join } from 'node:path' import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' import { SESSION_FORMAT_VERSION, SessionId } from '@deepseek-ai/dsh-session' +import type {} from '@deepseek-ai/dsh-session-title' import { makeBridgeHarness, textResponse, toolCallResponse, type BridgeHarness, type CapturedUpdate } from './harness.ts' /** Concatenate the text of all agent_message_chunk updates. */ @@ -56,6 +57,31 @@ describe('acp bridge — session/load replay', () => { expect(userText).toBe('remember this') }) + it('streams and replays the same persisted session_info_update for a title event', async () => { + live = await makeBridgeHarness({ storageDir, script: [] }) + await live.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await live.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const session = live.ctx.agents.get(SessionId(sessionId))!.session + const event = await live.ctx.sessions.appendOutOfBand(session, 'session/title', { + title: 'Durable ACP title', + messageSeqs: [1], + source: { kind: 'fallback' }, + }, { kind: 'session-title' }) + const expected = { + sessionUpdate: 'session_info_update' as const, + title: 'Durable ACP title', + updatedAt: new Date(event.time).toISOString(), + } + expect(live.updates).toContainEqual(expected) + await live.dispose() + live = undefined + + loader = await makeBridgeHarness({ storageDir, script: [] }) + await loader.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + await loader.client.loadSession({ sessionId, cwd: process.cwd(), mcpServers: [] }) + expect(loader.updates).toContainEqual(expected) + }) + it('replays a persisted tool call with the TOOL-OWNED presentation (title/rawInput/console output)', async () => { // Persist a real bash call, then replay it through a fresh bridge. A throwaway presenter pairs // call and result in log order so replay uses the shipping tool's same cards as live streaming. diff --git a/packages/ui/acp/tests/stream-update.spec.ts b/packages/ui/acp/tests/stream-update.spec.ts index feda449054..e481ff89b6 100644 --- a/packages/ui/acp/tests/stream-update.spec.ts +++ b/packages/ui/acp/tests/stream-update.spec.ts @@ -2,6 +2,7 @@ import { describe, expect, it } from 'vitest' import { Context } from 'cordis' import { CallId } from '@deepseek-ai/dsh-llm' import { SessionId, type SessionEvent } from '@deepseek-ai/dsh-session' +import type {} from '@deepseek-ai/dsh-session-title' import type { SessionNotification } from '@agentclientprotocol/sdk' import type { ToolDefinition, ToolRegistry as ToolRegistryType } from '@deepseek-ai/dsh-tools' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' @@ -50,6 +51,23 @@ function evt(type: T, data: Extract { + it('maps a title event to session_info_update with the event timestamp', () => { + expect(updatesFor({ + type: 'session/title', + seq: 3, + time: 1_725_000_000_000, + data: { + title: 'Log-backed titles', + messageSeqs: [1], + source: { kind: 'fallback' }, + }, + })).toEqual([{ + sessionUpdate: 'session_info_update', + title: 'Log-backed titles', + updatedAt: new Date(1_725_000_000_000).toISOString(), + }]) + }) + it('maps assistant/chunk text-delta to agent_message_chunk', () => { expect(updatesFor(evt('assistant/chunk', { turn: 1, step: 1, chunk: { type: 'text-delta', index: 0, text: 'hi' } }))) .toEqual([{ sessionUpdate: 'agent_message_chunk', content: { type: 'text', text: 'hi' } }]) diff --git a/packages/ui/tui/src/index.ts b/packages/ui/tui/src/index.ts index db696dde2a..18a5148485 100644 --- a/packages/ui/tui/src/index.ts +++ b/packages/ui/tui/src/index.ts @@ -39,6 +39,7 @@ import { errorChain } from '@deepseek-ai/dsh-llm' import type { ContentBlock, StreamChunk, TokenUsage } from '@deepseek-ai/dsh-llm' import type {} from '@deepseek-ai/dsh-llm-retry' import { SessionId, type Session, type SessionEvent, type TodoItem } from '@deepseek-ai/dsh-session' +import { foldSessionTitle } from '@deepseek-ai/dsh-session-title' import type { FileDiff, TerminalCallView, @@ -286,7 +287,7 @@ function textBlocks(content: readonly ContentBlock[], type: 'text' | 'reasoning' class HeaderComponent implements Component { constructor( private readonly agent: Agent, - private readonly welcome: string, + private readonly subtitle: () => string, private readonly palette: Palette, ) {} @@ -299,7 +300,7 @@ class HeaderComponent implements Component { const detail = `${model} • ${displayText(this.agent.session.id)}` const top = this.palette.accent(`╭${'─'.repeat(Math.max(0, width - 2))}╮`) const bottom = this.palette.accent(`╰${'─'.repeat(Math.max(0, width - 2))}╯`) - const lines = [title, this.palette.muted(displayText(this.welcome)), this.palette.dim(detail)] + const lines = [title, this.palette.muted(displayText(this.subtitle())), this.palette.dim(detail)] .flatMap(line => wrapTextWithAnsi(line, usable)) .map((line) => { const clipped = truncateToWidth(line, usable, '') @@ -858,7 +859,8 @@ export function createTuiChat( let activeQuestion: PendingQuestion | undefined const welcome = config.welcome ?? 'ready.' - const header = new HeaderComponent(agent, welcome, palette) + let sessionTitle = foldSessionTitle(agent.session.events)?.title + const header = new HeaderComponent(agent, () => sessionTitle ?? welcome, palette) const footer = new FooterComponent(agent, palette, () => toolsExpanded, () => showReasoning, () => tokens) ui.addChild(header) ui.addChild(chat) @@ -868,7 +870,12 @@ export function createTuiChat( ui.addChild(editor) ui.addChild(footer) ui.setFocus(editor) - runtime.terminal.setTitle(displayText(resolved.title)) + const updateTerminalTitle = (): void => { + runtime.terminal.setTitle(displayText( + sessionTitle === undefined ? resolved.title : `${sessionTitle} — ${resolved.title}`, + )) + } + updateTerminalTitle() const requestRender = (): void => { footer.invalidate() @@ -997,6 +1004,11 @@ export function createTuiChat( case 'todo/write': todo.update(event.data.todos) break + case 'session/title': + sessionTitle = event.data.title + header.invalidate() + updateTerminalTitle() + break case 'turn/end': clearStreaming() if (event.data.reason.kind === 'error') { diff --git a/packages/ui/tui/tests/tui.spec.ts b/packages/ui/tui/tests/tui.spec.ts index c0a916e4f0..8c48d6ac72 100644 --- a/packages/ui/tui/tests/tui.spec.ts +++ b/packages/ui/tui/tests/tui.spec.ts @@ -5,6 +5,7 @@ import { Context } from 'cordis' import type { Terminal } from '@earendil-works/pi-tui' import AgentRegistry, { type Agent } from '@deepseek-ai/dsh-agent' import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' +import type {} from '@deepseek-ai/dsh-session-title' import type { ToolDefinition } from '@deepseek-ai/dsh-tools' import UserInteractionService from '@deepseek-ai/dsh-user-interaction' import type {} from '@deepseek-ai/dsh-llm-retry' @@ -146,6 +147,34 @@ describe('TUI config', () => { }) describe('pi-tui chat lifecycle and transcript', () => { + it('uses the latest log-backed title for the header subtitle and terminal window', async () => { + const result = await setup({ + beforeMount(session) { + session.append('session/title', { + title: 'Restored session title', + messageSeqs: [1], + source: { kind: 'fallback' }, + }) + }, + }) + + expect(result.terminal.title).toBe('Restored session title — DeepSeek Harness') + expect(result.terminal.output).toContain('Restored session title') + expect(result.terminal.output).not.toContain('Coding agent ready.') + + result.session.append('session/title', { + title: 'Live title \u001B]0;unsafe\u0007', + messageSeqs: [1, 5], + source: { kind: 'fallback' }, + }) + await tick() + + expect(result.terminal.title).toContain('Live title \\x1b]0;unsafe\\x07 — DeepSeek Harness') + expect(result.terminal.title).not.toContain('\u001B') + expect(result.terminal.output).toContain('Live title \\x1b]0;unsafe\\x07') + await dispose(result) + }) + it('renders its header, footer, replay, streaming answer, todos, and status', async () => { const result = await setup({ beforeMount(session) { From 77df80359a40f8b4dfdf69fcfa0dec40ee23d041 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 01:54:00 +0800 Subject: [PATCH 13/28] docs(session-title): record contracts and generated catalogs --- ...-07-21-log-backed-session-titles.i18n.yaml | 6 + .../2026-07-21-log-backed-session-titles.md | 60 ++++++ ...2026-07-21-log-backed-session-titles.zh.md | 60 ++++++ docs/architecture.i18n.yaml | 6 + docs/architecture.md | 34 +-- docs/architecture.zh.md | 195 ++++++++++++++++++ docs/capability-seams.md | 8 + docs/config-catalog.md | 51 ++++- docs/cordis-catalog/services.md | 71 ++++++- docs/core-data-structures/core.md | 1 + docs/core-data-structures/session-title.md | 118 +++++++++++ docs/core-data-structures/session.md | 16 +- docs/event-producer-consumer.md | 4 +- docs/module-graph.md | 34 ++- docs/persistence-catalog.md | 18 +- packages/README.md | 1 + .../cordis/tool-cordis/src/api-catalog.ts | 74 +++++++ packages/core/README.md | 2 +- packages/core/session/README.md | 3 +- packages/examples/README.md | 2 +- packages/examples/agent-spine-demo/README.md | 4 +- packages/session-query/README.md | 4 +- .../session-query/session-query/README.md | 3 +- packages/support/acp-snapshot/README.md | 4 +- packages/ui/README.md | 4 +- packages/ui/acp/README.md | 8 +- packages/ui/tui/README.md | 8 +- scripts/gen-cordis-catalog.ts | 5 + scripts/gen-doc-graphs.ts | 9 + scripts/gen-module-graph.ts | 1 + scripts/gen-persistence-catalog.ts | 4 + scripts/type-equiv.manifest.json | 12 ++ 32 files changed, 783 insertions(+), 47 deletions(-) create mode 100644 .agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml create mode 100644 .agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md create mode 100644 .agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md create mode 100644 docs/architecture.i18n.yaml create mode 100644 docs/architecture.zh.md create mode 100644 docs/core-data-structures/session-title.md diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml new file mode 100644 index 0000000000..39abb2142d --- /dev/null +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -0,0 +1,6 @@ +# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each +# side as of the last confirmed-consistent state. Both languages carry equal authority; +# after editing either side, bring the other along and re-record with: +# pnpm run verify-translation-pairing --write +2026-07-21-log-backed-session-titles.md: a2cef52bf88f03eef804e3d7f2bf83288ba49b2e +2026-07-21-log-backed-session-titles.zh.md: ea6ecc6e66d1afac772cdd93936c6ed49d5409a2 diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md new file mode 100644 index 0000000000..a2cef52bf8 --- /dev/null +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -0,0 +1,60 @@ +# Agent Note: Log-backed session titles + +Status: implemented + +English | [中文](2026-07-21-log-backed-session-titles.zh.md) + +## Problem + +A session needs a short human-facing title before an editor, terminal, or query consumer can present it usefully. The cheapest implementation can derive one from the first prompt, while higher-quality implementations may call a model over the first prompt or the whole conversation. Those strategies have different latency, cost, routing, and retry behavior, but every consumer needs one durable source of truth. + +Session identity metadata is immutable, the event log is the replay and fork boundary, and every event must remain turn-enclosed. A model-generated title often finishes after the main turn closes, so writing it synchronously would delay the agent response while writing it as mutable metadata would bypass ordinary persistence, replay, and lineage semantics. Concurrent prompts, provider HMR, cancellation, and ignored abort signals also make an unfenced background result capable of overwriting a newer title. + +## Decision + +The [`session-title` capability family](../../../../packages/session-title/README.md) owns title state and generation policy. `@deepseek-ai/dsh-session-title` provides `ctx.sessionTitle`, a deterministic first-message fallback, and a registry for at most one optional asynchronous provider. `@deepseek-ai/dsh-session-title-llm` owns the common auxiliary-model request policy; separate first-message and all-user-messages plugins choose input cadence. The shared agent spine mounts only the fallback service with explicit example limits, leaving both model providers opt-in. + +### Event ownership and folding + +Every accepted revision is a log-only `session/title` event. Its payload contains normalized non-empty text, the exact eligible human `user/message` seqs used to derive it, and either fallback provenance or the registered provider id plus optional provider/model route. `foldSessionTitle()` selects the latest event and adds that event's seq and timestamp as `SessionTitleSnapshot`. Title events never enter `session.surface` or `deriveMessages()`. + +The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugin event types whose owners also declaration-merge an `OutOfBandSessionEventMap` marker. An open turn receives the log-only event directly and owns its normal checkpoint. A closed log receives `turn/start → event → turn/end` under the plugin's trigger, followed by an awaited flush. Once the synthetic turn opens, target-append failure still attempts to close and flush it; detach is deferred until the sequence settles. Session titles contribute the `session-title` zero-step trigger and opt `session/title` into this seam. + +### Input and asynchronous timing + +Only text blocks from human-source `user/message` events are eligible. Empty, control-only, and non-text prompts wait for the next eligible message. The service schedules the first fallback without awaiting it from the prompt path, normalizes whitespace and control sequences, applies the configured word and UTF-8 byte limits without splitting a code point, and records the first message seq. + +Automatic provider work waits until the corresponding `request/header` records the main request's exact provider/model route, then runs independently of the agent response. A completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. + +The first-message provider schedules once when a fresh session first creates its fallback. An automatic failure does not reschedule on later prompts; `refresh()` is the retry path. The all-messages provider schedules after every eligible human prompt and passes all eligible messages through that revision, including seeded history. Its newer revision aborts and supersedes older pending or active work. + +### Registration, routing, and failure policy + +`register(provider)` validates one branded stable id, cadence, and generation function, then returns an effect disposer. A second live registration throws immediately. Provider disposal and session disposal abort pending and active work. Every session-local generation has a monotonic revision and exact registration identity; acceptance rechecks revision, registration, session liveness, and cancellation, so a provider that ignores its abort signal cannot commit stale output. + +Model providers require explicit word, CJK-character, input-byte, output-token, and timeout limits. Optional `provider` and `model` overrides are a pair; without them the helper uses the exact route from the logged main request header. Selected messages are framed as JSON under one fixed language-aware instruction. Oversized input is rejected rather than truncated because truncation would make the recorded source seqs falsely imply complete use. + +Automatic provider failures are nonfatal warnings and retain the latest title. Explicit refresh failures reject to the caller. Output must be non-empty text with unique ordered seqs drawn from the fixed request; the service normalizes and byte-limits it before durable acceptance. + +### Forks and consumers + +A fork inherits seed title events unchanged, like the rest of its source log. The first-message provider does not automatically retitle a fork. The all-messages provider may append a child-owned revision after a later child prompt, using inherited and new eligible messages. + +`ctx.sessionQuery.readTitle()` folds one live-preferred or persisted log without loading titles during `listSessions()`. ACP maps the event to `session_info_update` during both live streaming and load replay, using the event timestamp for `updatedAt`. The TUI uses the latest title as its header subtitle and sets the terminal window title to ` — ` after terminal-safe rendering. + +## Alternatives considered + +- **Mutable `SessionHeader` or side metadata** — rejected because it creates a second persistence mutation protocol, weakens immutable identity metadata, makes crash atomicity backend-specific, and gives forks ambiguous copy-versus-reference behavior. The append-only log already owns replayable latest-wins state. +- **Await title generation before returning the agent response** — rejected because auxiliary provider latency and failure would sit on the main interaction's critical path. The deterministic fallback gives immediate useful state while a better title may arrive later. +- **Put titles in derived history or the request prefix** — rejected because UI metadata would consume tokens, change cache identity, and make the main model observe its own label. A log-only event remains reconstructable without becoming model-visible. +- **Permit multiple registered providers and resolve precedence after completion** — rejected because completion order is not product precedence and would make retries, HMR, and provenance nondeterministic. A deployment that needs a composite policy can register one provider that owns that policy. +- **Silently truncate oversized auxiliary input** — rejected because the provider result would claim exact source-message provenance while receiving only partial text. Keeping the prior title and warning preserves truthful attribution. +- **Index titles in `listSessions()` immediately** — rejected because the existing lightweight metadata list would need per-backend derived-index synchronization. Exact `readTitle()` establishes the read contract without precommitting search or indexing policy. + +## Consequences + +- Titles survive JSONL and SQLite persistence, replay through ACP, and follow fork inheritance without a separate mutable record. +- A fallback appears without an auxiliary call; deployments choose whether better titles justify model cost and whether later prompts should retitle a session. +- Late accepted titles consume event seqs and may create a balanced zero-step turn, so transcript and persistence fixtures expose the update even though model history and KV-cache identity do not change. +- One provider and monotonic per-session revisions make disposal, supersession, and stale-result rejection explicit, at the cost of leaving multi-strategy precedence to a composite provider. +- Manual rename, deletion, generated-versus-user precedence, search, and list indexing remain outside the capability. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md new file mode 100644 index 0000000000..ea6ecc6e66 --- /dev/null +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -0,0 +1,60 @@ +# Agent Note: 基于日志的会话标题 + +Status: implemented + +[English](2026-07-21-log-backed-session-titles.md) | 中文 + +## 问题 + +会话需要一个面向用户的简短标题，编辑器、终端或查询消费方才能有效呈现它。成本最低的实现可以从第一条提示词派生标题，质量更高的实现则可以让模型处理第一条提示词或整个对话。这些策略在延迟、成本、路由和重试行为上各有不同，但所有消费方都需要一个持久的真源。 + +会话身份元数据不可变，事件日志是回放和 fork 的边界，而且每个事件都必须包围在轮次内。模型生成的标题往往在主轮次结束后才完成，因此同步写入会延迟 agent（智能体）响应，而作为可变元数据写入则会绕过常规的持久化、回放和沿袭语义。并发提示词、提供方 HMR（热模块替换）、取消以及被忽略的中止信号，还可能让未受版本校验约束的后台结果覆盖更新的标题。 + +## 决策 + +[`session-title` 功能包族](../../../../packages/session-title/README.md)负责标题状态和生成策略。`@deepseek-ai/dsh-session-title` 提供 `ctx.sessionTitle`、确定性的首消息回退方案，以及一个至多接受单个可选异步提供方的注册表。`@deepseek-ai/dsh-session-title-llm` 负责通用的辅助模型请求策略；首消息插件和全部用户消息插件分别选择输入调度方式。共享 agent 主干只挂载带显式示例限制的回退服务，两种模型提供方均需按需启用。 + +### 事件归属与折叠 + +每个已接受的修订都是纯日志 `session/title` 事件。其载荷包含规范化后的非空文本、用于派生标题的所有合格且来源为人类的 `user/message` 的准确 seq，以及回退来源信息，或已注册的提供方 id 加可选的提供方和模型路由。`foldSessionTitle()` 选择最新事件，并将该事件的 seq 和时间戳加入 `SessionTitleSnapshot`。标题事件永远不会进入 `session.surface` 或 `deriveMessages()`。 + +核心会话包通过 `ctx.sessions.appendOutOfBand()` 暴露这一接口，但只允许所属插件同时通过声明合并向 `OutOfBandSessionEventMap` 添加标记的插件事件类型使用。开放轮次会直接接收纯日志事件，并负责其常规检查点。已关闭的日志会在该插件的触发器下接收 `turn/start → event → turn/end`，随后等待刷写完成。合成轮次一旦开启，即使目标追加失败，系统仍会尝试将其关闭并刷写；整个序列完成前会延迟 detach。会话标题提供 `session-title` 零步骤触发器，并让 `session/title` 使用这一服务边界。 + +### 输入与异步时序 + +只有人类来源的 `user/message` 事件中的文本块才符合条件。空提示词、仅含控制字符的提示词和非文本提示词会等待下一条合格消息。服务从提示词路径调度首个回退标题而不等待其完成，随后规范化空白和控制序列，应用已配置的单词数和 UTF-8 字节限制且不拆分代码点，并记录第一条消息的 seq。 + +自动提供方工作会等待相应的 `request/header` 记录主请求的准确提供方和模型路由，然后独立于 agent 响应运行。完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。 + +首消息提供方仅在新会话首次创建回退标题时调度一次。自动执行失败后，后续提示词不会重新调度；`refresh()` 是重试路径。全部消息提供方会在每条合格且由人类发出的提示词后调度，并传入截至该修订的所有合格消息，包括预置历史记录。较新的修订会中止并取代更早的待执行或活跃工作。 + +### 注册、路由与失败策略 + +`register(provider)` 会验证一个带品牌类型的稳定 id、执行时机和生成函数，然后返回 effect 资源释放函数。第二个活跃注册会立即抛出错误。提供方和会话执行 dispose（资源释放）时，都会中止待执行和活跃工作。每项会话本地生成都有单调递增的修订号和对应的注册身份；接受结果时会重新检查修订号、注册、会话活跃状态和取消状态，因此即使提供方忽略中止信号，也无法提交陈旧输出。 + +模型提供方必须显式配置单词数、CJK 字符数、输入字节数、输出 token 数和超时限制。可选的 `provider` 和 `model` 覆盖项必须成对提供；两者均未提供时，辅助组件会使用主请求已记录请求头中的准确路由。系统在一条固定且能区分语言的指令下，将选中的消息封装为 JSON。过大输入会被拒绝而不是截断，因为截断会让记录的源消息 seq 错误地表示这些消息已被完整使用。 + +自动提供方故障只会发出非致命警告，并保留最新标题。显式刷新失败则会向调用方返回拒绝。输出必须是非空文本，并包含来自固定请求、唯一且有序的 seq；服务会在持久接受前对其进行规范化并施加字节限制。 + +### Fork 与消费方 + +与源日志的其他部分相同，fork 会原样继承作为种子的标题事件。首消息提供方不会自动为 fork 重新生成标题。全部消息提供方可以在子会话出现后续提示词后追加一项归子会话所有的修订，并使用继承的合格消息和新增的合格消息。 + +`ctx.sessionQuery.readTitle()` 会折叠一份实时优先或已持久化的日志，而不会在 `listSessions()` 期间加载标题。ACP（Agent Client Protocol）会在实时流式输出和加载回放期间把该事件映射到 `session_info_update`，并使用事件时间戳作为 `updatedAt`。TUI 使用最新标题作为其标题栏副标题，并在完成终端安全渲染后，将终端窗口标题设置为 ` — `。 + +## 考虑过的替代方案 + +- **可变 `SessionHeader` 或独立元数据**：不予采纳，因为这会创建第二套持久化变更协议，削弱不可变身份元数据，让崩溃原子性因后端而异，并使 fork 的复制或引用行为产生歧义。仅追加日志已经负责可回放的后写覆盖状态。 +- **返回 agent 响应前等待标题生成**：不予采纳，因为辅助提供方的延迟和故障会进入主交互的关键路径。确定性回退方案可以立即提供可用状态，质量更高的标题则可稍后到达。 +- **将标题放入派生历史记录或请求前缀**：不予采纳，因为 UI 元数据会消耗 token、改变缓存标识，并让主模型观察到自己的标签。纯日志事件既保持可重建，又不会变得对模型可见。 +- **允许注册多个提供方，并在完成后解析优先级**：不予采纳，因为完成顺序并不等于产品优先级，而且会让重试、HMR 和来源信息变得不确定。需要组合策略的部署可以注册一个自行负责该策略的提供方。 +- **静默截断过大的辅助输入**：不予采纳，因为提供方结果会声明准确的源消息来源信息，实际却只接收了部分文本。保留原有标题并发出警告，可以保持归因真实。 +- **立即在 `listSessions()` 中索引标题**：不予采纳，因为现有的轻量元数据列表将需要逐后端同步派生索引。精确的 `readTitle()` 建立了读取契约，而没有提前锁定搜索或索引策略。 + +## 后果 + +- 标题可以在 JSONL 和 SQLite 持久化中存续，通过 ACP 回放，并遵循 fork 继承语义，而无需单独的可变记录。 +- 回退标题无需辅助调用即可出现；部署方可以自行决定更优标题是否值得模型成本，以及后续提示词是否需要重新生成会话标题。 +- 延迟接受的标题会占用事件 seq，并可能创建平衡的零步骤轮次，因此 transcript（文本记录）和持久化 fixture（测试前置数据）会呈现该更新，尽管模型历史和 KV 缓存标识保持不变。 +- 单个提供方和每会话单调递增的修订号让释放、取代和陈旧结果拒绝行为明确可见，但多策略优先级必须由复合提供方负责。 +- 手动重命名、删除、生成标题与用户标题的优先级、搜索和列表索引不在此功能范围内。 diff --git a/docs/architecture.i18n.yaml b/docs/architecture.i18n.yaml new file mode 100644 index 0000000000..1bf81e4eac --- /dev/null +++ b/docs/architecture.i18n.yaml @@ -0,0 +1,6 @@ +# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each +# side as of the last confirmed-consistent state. Both languages carry equal authority; +# after editing either side, bring the other along and re-record with: +# pnpm run verify-translation-pairing --write +architecture.md: ed17122d220145edbaafe56c02b4c0e21024316f +architecture.zh.md: a69f3119ee4122b0f855cc1551d258f538e630ca diff --git a/docs/architecture.md b/docs/architecture.md index 321612c814..ed17122d22 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -1,10 +1,12 @@ # DeepSeek Harness Architecture +English | [中文](architecture.zh.md) + The **DeepSeek Harness SDK** builds agent harnesses on Cordis. The principle is simple: **everything is a plugin**. The shipped loop is one plugin, not a privileged kernel. ## Overview -A harness is one [Cordis](cordis-primer.md) context. Packages add services (`ctx.llm`, `ctx.tools`, `ctx.sessions`), typed events (`agent/request`, `tools/pre-execute`, `session/event`), and disposable prompt, tool, provider, adapter, and listener registrations. +A harness is one [Cordis](cordis-primer.md) context. Packages add services (`ctx.llm`, `ctx.tools`, `ctx.sessions`, `ctx.sessionTitle`), typed events (`agent/request`, `tools/pre-execute`, `session/event`), and disposable registrations. `packages/core/` groups the default agent flow; surrounding capabilities are equally first-class Cordis plugins. @@ -38,6 +40,7 @@ A harness is one [Cordis](cordis-primer.md) context. Packages add services (`ctx | `ctx.workflows` | [`workflow/`](../packages/workflow/README.md) | script-driven multi-agent orchestration | | `ctx.sessionPersistence` | [`session-persistence/`](../packages/session-persistence/README.md) | durable storage for session logs | | `ctx.sessionQuery` | [`session-query/`](../packages/session-query/README.md) | live-preferred logical-corpus exact reads and relationship traces | +| `ctx.sessionTitle` | [`session-title/`](../packages/session-title/README.md) | log-backed fallback titles and one optional asynchronous provider | ## Event @@ -45,9 +48,9 @@ Events form the service extension API; see the exhaustive [events catalog](cordi ### Event Domains -- **Session events** are durable, replayable facts: boundaries, messages, tool activity, steering, compaction, and tool-owned records append to the log and flow through `session/event`. -- **Agent events** carry the live `Agent` handle for status, diagnostics, prompt admission, request shaping, result validation, and continuation policy. -- **Capability events** belong to their owning seam; `tools/*`, `llm/*`, `system-prompt/*`, `fs/*`, and `subagent/*` attach policy and adapters without importing the loop. +- **Session events** are durable facts appended to the log and emitted through `session/event`. +- **Agent events** carry the live `Agent` for status, prompt admission, request shaping, validation, and continuation. +- **Capability events** let owning seams attach policy and adapters without importing the loop. ### Interception Semantics @@ -57,9 +60,9 @@ Waterfall events behave like around-middleware: a listener delegates by calling The shipped loop drains prompt-to-checkpoint work through plugin-visible services and events. -A **session** is an append-only log. Each ordinary **turn** claims one queued `send()` item; injection claims none. A claimed `send()` successor awaits the preceding claimed ordinary turn's checkpoint but may share its `running` interval ([decision](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)). A turn ends when model and plugins stop it. A **step** is one model request plus tools. Below ([sequence companion](agent-lifecycle.md)), quotes mark durable events; other names are extension points. +A **session** is an append-only log. Each ordinary **turn** claims one queued `send()` item; injection claims none. Successors await the preceding claimed turn's checkpoint but may share its `running` interval ([decision](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)). A turn ends when model and plugins stop it. A **step** is one model request plus tools. Below ([sequence companion](agent-lifecycle.md)), quotes mark durable events. -No id mints `-session-`; `sessionId` resumes/creates; `resumeSessionId` needs history. Resume restores lineage, seeds, and delegation depth pre-publication. Failures emit `agent-loop/config-start-failed(sessionId, error)`; front doors reject; teardown stays silent. +No id mints `-session-`; `sessionId` resumes/creates and `resumeSessionId` needs history. Resume restores lineage and delegation depth before publication. Setup failures emit `agent-loop/config-start-failed`; teardown stays silent. ### Turn Flow @@ -107,15 +110,15 @@ forever: checkpoint persistence and notify idle/running status ``` -Each step assembles ordered prompt sections, tool schemas, and `{{name}}` variables; unknown or valueless references fail the turn. `dsh-system-prompt` owns the harness identity and default persona, which an agent scope may shadow. The loop supplies `model` and `cwd` ([prompt ownership](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)). +Each step assembles ordered prompt sections, tool schemas, and variables; unknown references fail the turn. `dsh-system-prompt` owns identity and persona, while the loop supplies `model` and `cwd` ([prompt ownership](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)). -Tool-time context—including async `agent.inject()` notices and post-tool `additionalContexts`—settles, then follows recorded results. Steering drains before `agent/post-step`, which observes durable output, results, context, and steering before signal closure. Leftovers become queued input. Terminal `agent/turn-stop` runs after continuation and steering folding, stays authoritative through turn close and flush, and discards later steering but preserves queued prompts. +Tool-time context settles after recorded results. Steering drains before `agent/post-step`; leftovers become queued input. Terminal `agent/turn-stop` runs after continuation and steering folding, stays authoritative through flush, and discards later steering while preserving queued prompts. Pruning precedes summaries; overflow retries require durable progress. Bounded transient retries compose on `agent/request-error`; cancellation wins ([compaction](../.agents/notes/implemented/architecture/2026-07-10-after-call-compaction-pressure-and-overflow-recovery.md), [retry](../.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md)). ### Failure Boundaries -The turn is the containment boundary. Adapter failures close the step, entering `agent/request-error` with the exact `Error`, `LlmFailure`, and retry history. Retry opens a numbered step; success clears history; exhaustion stores the failure on `turn/end`. Failed chunks commit no message or tool. +The turn is the containment boundary. Adapter failures close the step and enter `agent/request-error` with exact failure facts. Retry opens a numbered step; exhaustion stores the failure on `turn/end`. Failed chunks commit no message or tool. Other failures use `agent/error`. Cancellation and disposal beat recovery; undispatched model tool calls receive synthetic `tool/call` and `ABORTED` result pairs before `turn/end`. `cancel()` clears queues and aborts active work; disposal awaits quiescence before unregistering. @@ -123,11 +126,11 @@ Every session event is turn-enclosed. Reloading preserves an interrupted tail an ### Agent Handles -`ctx.agents` owns live agents and returns `AgentHandle { agent, dispose() }`. Plugins drive `Agent` through `send()`, `steer()`, `inject()`, `cancel()`, and `whenIdle()`. The caller fiber and factory provider structurally co-own programmatic lifecycles; the consumer handle is the only other teardown capability. All owners await one disposer. +`ctx.agents` owns live agents and returns `AgentHandle { agent, dispose() }`. Plugins use `send()`, `steer()`, `inject()`, `cancel()`, and `whenIdle()`. The caller fiber, factory provider, and consumer handle co-own teardown through one awaited disposer. ### Agent Scope -Every live agent owns a scoped `agent.ctx`. Its registrations shadow globals, receive only that agent's dispatches, and unwind with it; async effects such as background-task cleanup are awaited. `CreateAgentOptions.setup(agentCtx)` composes the scope before publication. Typed resolvers derive carrier checks from merged `Events` signatures and `scopeTarget` ([semantic gates](../.agents/notes/implemented/process/2026-07-14-typescript-program-backed-semantic-gates.md)). See [agent scope](../.agents/notes/implemented/architecture/2026-07-08-agent-scope-contexts.md) and [subagent composition controls](../.agents/notes/implemented/feature/2026-07-12-subagent-persona-tool-filter-and-depth.md). `AgentLoop` runs drivers inside `ctx.agents.withInitiator()`; private orchestration derives `agent.session`; other identities stay explicit ([decision](../.agents/notes/implemented/architecture/2026-07-15-agent-initiator-scope.md)). +Every live agent owns a scoped `agent.ctx`. Registrations shadow globals, receive only that agent's dispatches, and unwind with it; async cleanup is awaited. `CreateAgentOptions.setup(agentCtx)` composes before publication. Typed resolvers derive carrier checks from merged `Events` signatures and `scopeTarget` ([semantic gates](../.agents/notes/implemented/process/2026-07-14-typescript-program-backed-semantic-gates.md)). See [agent scope](../.agents/notes/implemented/architecture/2026-07-08-agent-scope-contexts.md) and [subagent composition](../.agents/notes/implemented/feature/2026-07-12-subagent-persona-tool-filter-and-depth.md). `AgentLoop` propagates its initiator; private orchestration derives `agent.session`, while other identities stay explicit ([decision](../.agents/notes/implemented/architecture/2026-07-15-agent-initiator-scope.md)). ## State @@ -139,11 +142,13 @@ The session log is the source of truth. `deriveMessages()` projects session even Durability is a plugin concern. Backends buffer synchronous `session/event` notifications; the loop awaits a turn-end checkpoint. `SessionPersistence` stores `SessionEvent` directly and metadata in `SessionHeader`; JSONL defaults to checksummed Zstandard, with SQLite under one contract. +Plugin-owned log-only events may opt into `ctx.sessions.appendOutOfBand()`: they join an open turn or receive a balanced, flushed zero-step turn. `session/title` uses that path as a latest-wins fold with source-message seqs and provenance. Its first-message fallback is immediate; at most one optional provider may replace it asynchronously without delaying the agent response. Forks inherit logged titles unchanged ([decision](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)). + ### Model Content Messages contain typed blocks (`text`, `reasoning`, `tool-call`, `tool-result`) derived from merge-extensible `ContentBlockMap`; the same pattern types `MessageSource`, `FinishReason`, `TurnTrigger`, and `TurnEndReason`. New block types coordinate adapters, UI bridges, compaction pricing, token metering, and persistence as one repo-wide contract; replay measurement types live in [token-meter.md](core-data-structures/token-meter.md). -Streaming uses raw chunks and `BlockAssembler`. One `LlmAdapter.stream()` is one provider attempt; adapters report facts, while recovery policy lives on `agent/request-error`. The loop logs chunks and successful provenance/replay state. Remote adapters stop stalled transport with per-read idle watchdogs. Replay state reaches targets only when routes share an adapter instance ([contract](core-data-structures/llm-streaming.md)). +Streaming uses raw chunks and `BlockAssembler`. One `LlmAdapter.stream()` is one provider attempt; adapters report facts, while recovery lives on `agent/request-error`. The loop logs chunks and successful provenance/replay state. Remote adapters use per-read idle watchdogs. Replay state reaches targets only when routes share an adapter instance ([contract](core-data-structures/llm-streaming.md)). ## Extension And Composition @@ -151,13 +156,13 @@ Streaming uses raw chunks and `BlockAssembler`. One `LlmAdapter.stream()` is one A swappable capability usually splits into **interface / implementation / consumer**: the interface owns its `ctx` key and events, an implementation registers a backend, and a consumer exposes model behavior through tools or prompts. Bash is the reference; the [capability graph](capability-seams.md) shows every family. -Some seams bend the template deliberately: LLM combines interface and consumer because adapters implement it; filesystem wraps provider primitives with policy; web keeps search/fetch provider registries behind one service; skills and subagents use named providers. Subagents spawn fresh, fork a completed-turn prefix, or use ACP children ([subagent.md](core-data-structures/subagent.md)). +Some seams bend the template: LLM combines interface and consumer; filesystem wraps providers with policy; web, skills, and subagents own registries. Session titles pair a built-in fallback with a single-provider registry and shared LLM helper. Subagents spawn fresh, fork a completed-turn prefix, or use ACP children ([subagent.md](core-data-structures/subagent.md)). `dsh-workspace-context` composes baselines on `agent/session-prefix` and appends `ctx.fs`-discovered nested changes on `tools/post-execute`; its [decision](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md) records isolation. `dsh-paths` owns shared paths. ### Bundles And Apps -`dsh-agent-spine-demo` bundles the default spine ([README](../packages/examples/agent-spine-demo/README.md)). `dsh-tui-demo` owns the interactive full-screen terminal; `dsh-cli-demo` runs one persisted headless turn with format-pure stdout; `dsh-acp-demo` adds stdout-pure ACP over JSON-RPC ([ui/](../packages/ui/README.md)). `dsh-jsonrpc-agent` boots external `cordis.yml`; the Python SDK supplies its default only without an explicit config channel and drives `dsh-jsonrpc` over line-delimited JSON-RPC ([Python SDK](../python/README.md)). Deployments remain thin leaves with swappable backends and optional product tools ([examples/](../examples/AGENTS.md), [runnable wirings](cookbook/extension-cookbook.md#runnable-wirings), [graph atlas](graph-atlas.md)). +`dsh-agent-spine-demo` bundles the default spine, including fallback-only session titles; model title providers remain opt-in ([README](../packages/examples/agent-spine-demo/README.md)). `dsh-tui-demo` owns the terminal; `dsh-cli-demo` runs one persisted headless turn; `dsh-acp-demo` adds stdout-pure ACP ([ui/](../packages/ui/README.md)). `dsh-jsonrpc-agent` boots external `cordis.yml`; the Python SDK supplies a default only without an explicit config and drives line-delimited JSON-RPC ([Python SDK](../python/README.md)). Deployments remain thin leaves with swappable backends and optional tools ([examples/](../examples/AGENTS.md), [runnable wirings](cookbook/extension-cookbook.md#runnable-wirings), [graph atlas](graph-atlas.md)). ### Where New Behavior Goes @@ -175,6 +180,7 @@ New behavior should attach to a documented extension point; changing the shipped | 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` | | Add durable session state | add a `SessionEventMap` member and render/replay from the log | +| Add asynchronous session-title generation | register the sole provider on `ctx.sessionTitle` | | Fork a live session | use `ctx.sessions.fork(source, boundary?, childSessionId?)` | | Scope a tool, prompt section, or listener to ONE agent | register it through that agent's `agent.ctx` (see Agent Scope) | diff --git a/docs/architecture.zh.md b/docs/architecture.zh.md new file mode 100644 index 0000000000..a69f3119ee --- /dev/null +++ b/docs/architecture.zh.md @@ -0,0 +1,195 @@ +# DeepSeek Harness 架构 + +[English](architecture.md) | 中文 + +**DeepSeek Harness SDK** 基于 Cordis 构建 agent harness（智能体框架）。设计准则很简单：**一切皆插件**。已交付的循环只是一个插件，并非拥有特权的内核。 + +## 概览 + +一个 harness 对应一个 [Cordis](cordis-primer.md) 上下文。各包（package）会添加服务（`ctx.llm`、`ctx.tools`、`ctx.sessions`、`ctx.sessionTitle`）、类型化事件（`agent/request`、`tools/pre-execute`、`session/event`）和可释放的注册项。 + +`packages/core/` 汇集默认的 agent 流程；外围功能同样都是一等的 Cordis 插件。 + +### 默认服务 + +| ctx 键 | 包 | 职责 | +|---|---|---| +| — | [`dsh-scope`](../packages/core/scope/README.md) | 作用域上下文注册原语（库） | +| `ctx.sessions` | `dsh-session` | 内存中的事件溯源会话 | +| `ctx.systemPrompt` | `dsh-system-prompt` | 有序提示词片段、工具 schema 和提示词变量 | +| `ctx.tools` | `dsh-tools` | 工具注册表和[执行流水线](tool-execution-pipeline.md) | +| `ctx.agents` | `dsh-agent` | 活跃 agent、委托创建、`agent/*` 事件和进程内发起方作用域 | +| `ctx.agentLoop` | `dsh-agent-loop` | 实体 `Agent` 驱动器 | + +### 功能服务 + +| ctx 键 | 包族 | 职责 | +|---|---|---| +| `ctx.llm` | [`llm/`](../packages/llm/README.md) | 适配器注册表和模型流式调用 | +| `ctx.tokenMeter` | [`llm/token-meter`](../packages/llm/token-meter/README.md) | 感知回放的单实例请求压力和会话表面压力 | +| `ctx.bash` | [`bash/`](../packages/bash/README.md) | 前台和后台命令执行 | +| `ctx.sandbox` | [`sandbox/`](../packages/sandbox/README.md) | 同一执行环境内的进程限制（argv 包装、逐调用策略） | +| `ctx.sandboxPolicy` | [`sandbox/`](../packages/sandbox/README.md) | 共享沙箱策略归属点 | +| `ctx.codeRuntime` | [`code-runtime/`](../packages/code-runtime/README.md) | 执行模型编写的程序 | +| `ctx.fs` | [`fs/`](../packages/fs/README.md) | 文件系统提供方原语和策略事件 | +| `ctx.skills` | [`skill/`](../packages/skill/README.md) | skill（技能）提供方注册表和渐进式披露 | +| `ctx.web` | [`web/`](../packages/web/README.md) | 搜索与抓取提供方注册表 | +| `ctx.compact`，`ctx.toolResultPrune` | [`compact/`](../packages/compact/README.md)/[`compact-tool-result-prune`](../packages/compact/compact-tool-result-prune/README.md) | 摘要压缩（compaction）；可选的无模型结果裁剪 | +| `ctx.subagents` | [`subagent/`](../packages/subagent/README.md) | 具名委托提供方 | +| `ctx.tasks` | [`tasks/`](../packages/tasks/README.md) | 后台任务注册表和通用 `task_*` 控制工具 | +| `ctx.workflows` | [`workflow/`](../packages/workflow/README.md) | 脚本驱动的多 agent 编排 | +| `ctx.sessionPersistence` | [`session-persistence/`](../packages/session-persistence/README.md) | 会话日志的持久存储 | +| `ctx.sessionQuery` | [`session-query/`](../packages/session-query/README.md) | 实时优先的逻辑语料精确读取和关系追踪 | +| `ctx.sessionTitle` | [`session-title/`](../packages/session-title/README.md) | 基于日志的回退标题和单个可选异步提供方 | + +## 事件 + +事件构成服务的扩展 API；完整清单见[事件目录](cordis-catalog/events.md)和[生产方与消费方映射](event-producer-consumer.md)。 + +### 事件域 + +- **会话事件**是追加到日志并通过 `session/event` 发出的持久事实。 +- **Agent 事件**携带活跃 `Agent`，用于状态、提示词准入、请求塑形、验证和续跑。 +- **功能事件**让所属服务边界无需导入循环即可附加策略和适配器。 + +### 拦截语义 + +waterfall（瀑布式事件）的行为类似环绕中间件：监听器调用 `next()` 即表示委托，直接返回而不调用它则会否决或接管。完整规则见 [Cordis waterfall 语义](cordis-primer.md#cordis-waterfall-semantics)。 + +## 默认循环生命周期 + +已交付的循环通过插件可见的服务和事件，持续处理从提示词到检查点的工作。 + +**会话**是仅追加日志。每个普通**轮次**领取一项已排队的 `send()` 输入；注入不领取输入。后续轮次会等待上一项已领取轮次的检查点，但可以与其共用同一个 `running` 区间（[决策](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)）。模型和插件停止轮次时，该轮次结束。一个**步骤**包含一次模型请求及其工具。下文（[时序配套文档](agent-lifecycle.md)）用引号标记持久事件。 + +未提供 id 时会生成 `-session-`；`sessionId` 用于恢复或创建会话，而 `resumeSessionId` 要求已有历史。恢复流程在发布前还原沿袭关系和委托深度。设置失败会发出 `agent-loop/config-start-failed`；拆卸过程保持静默。 + +### 轮次流程 + +```text +choose declarative identity and fresh/resume path + -> prepare private session + agent.ctx -> await unpublished setup + -> enter session + agent -> session/created -> agent/created + -> enable driving -> agent/session-start(source) -> start driver +forever: + wait for a queued message + emit agent/status(running) + TURN: + 'turn/start' + claimed message -> agent/prompt-submit + allowed prompt -> 'user/message' plus injected context + blocked prompt -> 'prompt/blocked' -> 'turn/end'(rejected) + STEP loop: + drain steering + assemble system prompt and tool schemas + agent/session-prefix (first step) + agent/pre-step + snapshot the derived messages (the reconstruction boundary) + 'step/start' + agent/request (config only) -> log request/header -> llm/stream (frozen) + on final adapter-path or terminal in-band failure: + 'step/end' + agent/request-error(original error, failure facts, immutable prior failures, signal) + retry in the next numbered step or preserve the original error + otherwise: + 'assistant/chunk' + agent/step-result + 'assistant/message' (transformed content or empty success anchor after step-result rejection) + schedule tool calls by ctx.tools.executionMode: + exclusive -> one-call barrier + parallel -> rolling pool, <= maxParallelToolCalls in flight; reclassify before start + each start -> 'tool/call' -> ordered tools/pre-execute -> concurrent tools/execute + each model-order result -> ordered tools/post-execute -> 'tool/result' + append accepted tool-batch context after all recorded results, then steering + agent/post-step + 'step/end' + agent/turn-continuation + agent/turn-stop (terminal policy) + stop unless tools or continuation policy ask for another step + 'turn/end' + checkpoint persistence and notify idle/running status +``` + +每个步骤都会组装有序提示词片段、工具 schema 和变量；未知引用会使该轮次失败。`dsh-system-prompt` 负责身份和角色设定，循环则提供 `model` 和 `cwd`（[提示词归属](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)）。 + +工具执行阶段的上下文会在结果记录后稳定。steering（中途引导）在 `agent/post-step` 前排空；余留内容会成为排队输入。终止型 `agent/turn-stop` 在续跑判断和 steering 折叠后执行，在整个刷写期间保持最终决定权，并丢弃后续 steering，同时保留排队提示词。 + +裁剪先于摘要；溢出重试必须取得持久进展。有界的瞬态重试在 `agent/request-error` 上组合；取消优先（[压缩](../.agents/notes/implemented/architecture/2026-07-10-after-call-compaction-pressure-and-overflow-recovery.md)、[重试](../.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md)）。 + +### 失败边界 + +轮次是故障隔离边界。适配器故障会关闭步骤，并携带准确的故障事实进入 `agent/request-error`。重试会开启一个有编号的步骤；重试耗尽后，故障存入 `turn/end`。失败分片不会提交任何消息或工具。 + +其他故障使用 `agent/error`。取消和 dispose（资源释放）优先于恢复；尚未分派的模型工具调用会收到合成的 `tool/call` 与 `ABORTED` 结果对，然后才出现 `turn/end`。`cancel()` 会清空队列并中止活跃工作；资源释放会等待系统停稳后再注销。 + +每个会话事件都包围在轮次内。重新加载会保留中断的日志尾部，并用合成的 `interrupted` 轮次结束事件将其闭合。持久轮次关闭后的故障只通过 `agent/error` 报告，因为此时已没有安全的轮次内位置。每个轮次有一个 `TurnEndReason`；各变体由 [TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap) 统一定义。 + +### Agent 句柄 + +`ctx.agents` 拥有活跃 agent，并返回 `AgentHandle { agent, dispose() }`。插件使用 `send()`、`steer()`、`inject()`、`cancel()` 和 `whenIdle()`。调用方 fiber、工厂提供方和消费方句柄通过同一个需等待完成的 disposer 共同拥有拆卸过程。 + +### Agent 作用域 + +每个活跃 agent 都拥有一个作用域化的 `agent.ctx`。注册项会遮蔽全局项，只接收发往该 agent 的分派，并随 agent 一同撤销；系统会等待异步清理。`CreateAgentOptions.setup(agentCtx)` 在发布前完成组合。类型化解析器从合并后的 `Events` 签名和 `scopeTarget` 推导载体检查（[语义门禁](../.agents/notes/implemented/process/2026-07-14-typescript-program-backed-semantic-gates.md)）。参见 [agent 作用域](../.agents/notes/implemented/architecture/2026-07-08-agent-scope-contexts.md)和 [subagent 组合](../.agents/notes/implemented/feature/2026-07-12-subagent-persona-tool-filter-and-depth.md)。`AgentLoop` 会传播其发起方；私有编排会派生 `agent.session`，其他身份则保持显式（[决策](../.agents/notes/implemented/architecture/2026-07-15-agent-initiator-scope.md)）。 + +## 状态 + +### 会话日志 + +会话日志是真源。`deriveMessages()` 将会话事件投影为发送给模型的 `Message[]`；原始 `assistant/chunk` 事件留在日志中，以保证回放和 UI 保真。回放、fork、恢复、transcript（文本记录）渲染、遥测和持久化均派生自同一个事件流。 + +**模型可见 ⟺ 已记录**：日志可以重建每个请求，包括由请求头会话前缀置于开头的 `step/start` 时消息，以及通过折叠 `request/header` 得到的请求头；开发期不变量会断言这一点（[可重建性](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)）。 + +持久性由插件负责。后端会缓冲同步的 `session/event` 通知；循环等待轮次结束检查点。`SessionPersistence` 直接存储 `SessionEvent`，并将元数据存入 `SessionHeader`；JSONL 默认采用带校验和的 Zstandard，SQLite 则遵循同一契约。 + +插件所属的纯日志事件可选择使用 `ctx.sessions.appendOutOfBand()`：事件会加入开放轮次，或获得一个平衡且已刷写的零步骤轮次。`session/title` 采用该路径并以后写覆盖方式折叠，同时记录源消息 seq 和来源信息。其首消息回退标题会立即产生；至多一个可选提供方可以异步替换该标题，而不会延迟 agent 响应。fork 会原样继承已记录的标题（[决策](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)）。 + +### 模型内容 + +消息包含类型化块（`text`、`reasoning`、`tool-call`、`tool-result`），这些块从可合并扩展的 `ContentBlockMap` 派生；`MessageSource`、`FinishReason`、`TurnTrigger` 和 `TurnEndReason` 也采用同一模式定义类型。新增块类型会将适配器、UI 桥接、压缩计价、token 计量和持久化协调成一项全仓库契约；回放计量类型见 [token-meter.md](core-data-structures/token-meter.md)。 + +流式输出使用原始分片和 `BlockAssembler`。一次 `LlmAdapter.stream()` 调用代表一次提供方尝试；适配器报告事实，恢复逻辑则位于 `agent/request-error`。循环会记录分片及成功结果的来源信息和回放状态。远程适配器使用逐次读取空闲看门狗。只有当路由共用同一个适配器实例时，回放状态才会到达目标（[契约](core-data-structures/llm-streaming.md)）。 + +## 扩展与组合 + +### 功能模式 + +可替换功能通常拆分为**接口／实现／消费方**：接口拥有自己的 `ctx` 键和事件，实现负责注册后端，消费方通过工具或提示词暴露模型行为。Bash 是参考实现；[功能图](capability-seams.md)展示了所有包族。 + +有些服务边界会调整这一模板：LLM（大语言模型）合并接口和消费方；文件系统以策略包装提供方；web、skill 和 subagent 拥有注册表。会话标题将内置回退方案与单提供方注册表和共享 LLM 辅助组件配对。subagent 可以通过 spawn 创建全新实例、fork 一个已完成轮次的前缀，或使用 ACP（Agent Client Protocol）子 agent（[subagent.md](core-data-structures/subagent.md)）。 + +`dsh-workspace-context` 在 `agent/session-prefix` 上组合基线，并在通过 `ctx.fs` 发现嵌套变更后，于 `tools/post-execute` 追加这些变更；其[决策](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)记录了隔离方式。`dsh-paths` 负责共享路径。 + +### 组合包与应用 + +`dsh-agent-spine-demo` 组合默认主干，其中包含仅提供回退行为的会话标题；模型标题提供方保持按需启用（[README](../packages/examples/agent-spine-demo/README.md)）。`dsh-tui-demo` 负责终端；`dsh-cli-demo` 运行一个持久化的无界面轮次；`dsh-acp-demo` 添加保持 stdout 纯净的 ACP（[ui/](../packages/ui/README.md)）。`dsh-jsonrpc-agent` 启动外部 `cordis.yml`；Python SDK 仅在没有显式配置时提供默认项，并驱动按行分隔的 JSON-RPC（[Python SDK](../python/README.md)）。部署保持为轻量叶节点，使用可替换后端和可选工具（[examples/](../examples/AGENTS.md)、[可运行接线](cookbook/extension-cookbook.md#runnable-wirings)、[图谱](graph-atlas.md)）。 + +### 新行为的归属位置 + +新行为应附加到已有文档记录的扩展点；修改已交付的循环时，必须同步更新本架构图。 + +| 目标 | 机制 | +|---|---| +| 添加模型提供方 | 在 `ctx.llm` 上注册适配器 | +| 添加面向模型的功能 | 在 `ctx.tools` 上注册工具；schema 会进入提示词组装流程 | +| 添加命令执行 | 实现并注册 `ctx.bash` 后端 | +| 添加长时间运行或后台功能 | 在 `ctx.tasks` 上注册工作；通用 `task_*` 工具负责收集或停止 | +| 添加文件系统访问或策略 | 实现 `ctx.fs` 提供方，或监听 `fs/*` 策略事件 | +| 限制生成的进程 | 使用 `ctx.sandbox` 后端；消费方在生成进程前包装 argv | +| 拦截提示词、请求、模型完成或失败、工具使用或续跑 | 监听相应的 `agent/*` 或 `tools/*` 事件；使用串行 `agent/turn-stop` 实现单调终止 | +| 添加历史记录之外的会话稳定请求前缀 | 在 `agent/session-prefix` 上组合，每个循环实例一次；记录在请求头中 | +| 添加 UI 或编辑器集成 | 驱动 `ctx.agents` 并从 `session/event` 渲染 | +| 添加持久会话状态 | 添加一个 `SessionEventMap` 成员，并从日志渲染和回放 | +| 添加异步会话标题生成 | 在 `ctx.sessionTitle` 上注册唯一提供方 | +| fork 活跃会话 | 使用 `ctx.sessions.fork(source, boundary?, childSessionId?)` | +| 将工具、提示词片段或监听器限定到单个 agent | 通过该 agent 的 `agent.ctx` 注册（参见 Agent 作用域） | + +[扩展实操手册（cookbook）](cookbook/extension-cookbook.md)提供插件骨架和功能到服务边界的映射；分步指南涵盖[包](cookbook/adding-a-package.md)、[工具](cookbook/adding-a-tool.md)、[LLM 适配器](cookbook/adding-an-llm-adapter.md)和 [vendored 包](cookbook/adding-a-vendored-package.md)。 + +## 快速参考 +- [术语表](glossary.md)中的领域术语 +- [core-data-structures/](core-data-structures/core.md) 中的类型定义 +- [事件](cordis-catalog/events.md)中的准确事件与服务签名 +- [服务](cordis-catalog/services.md)目录 +- [包索引](../packages/README.md)中的包契约 +- [Agent Note（agent 决策记录）](../.agents/notes/README.md) diff --git a/docs/capability-seams.md b/docs/capability-seams.md index 109d8ec441..5a2fcb2a4a 100644 --- a/docs/capability-seams.md +++ b/docs/capability-seams.md @@ -34,6 +34,10 @@ flowchart LR pkg_hooks_codex["hooks-codex"] pkg_acp["acp"] svc_sessionQuery["ctx.sessionQuery
Exact session-history reads and traces"] + pkg_session_title["session-title"] + svc_sessionTitle["ctx.sessionTitle
Log-backed session titles"] + pkg_session_title_first_message_llm["session-title-first-message-llm"] + pkg_session_title_all_messages_llm["session-title-all-messages-llm"] pkg_system_prompt["system-prompt"] svc_systemPrompt["ctx.systemPrompt
System prompt assembly registry"] pkg_tools["tools"] @@ -130,6 +134,9 @@ flowchart LR pkg_session_persistence_jsonl --> svc_sessionPersistence pkg_session_persistence_sqlite --> svc_sessionPersistence pkg_session_query --> svc_sessionQuery + pkg_session_title --> svc_sessionTitle + pkg_session_title_all_messages_llm --> svc_sessionTitle + pkg_session_title_first_message_llm --> svc_sessionTitle pkg_skill --> svc_skills pkg_skill_local --> svc_skills pkg_spill --> svc_spillStore @@ -224,6 +231,7 @@ flowchart LR | `ctx.sessions` | `core` | [`session`](../packages/core/session) | - | [`agent-loop`](../packages/core/agent-loop), [`agent`](../packages/core/agent), [`cli-demo`](../packages/examples/cli-demo), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-query`](../packages/session-query/session-query), [`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), [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`acp`](../packages/ui/acp), [`session-query`](../packages/session-query/session-query) | - | Backends persist the same SessionEvent vocabulary; apps choose a backend at composition time. | | `ctx.sessionQuery` | `seam` | [`session-query`](../packages/session-query/session-query) | - | - | - | Resolves live and optional persisted logs into one logical corpus for exact reads and relationship traces. | +| `ctx.sessionTitle` | `seam` | [`session-title`](../packages/session-title/session-title) | [`session-title-first-message-llm`](../packages/session-title/session-title-first-message-llm), [`session-title-all-messages-llm`](../packages/session-title/session-title-all-messages-llm) | - | - | Owns the deterministic fallback, latest-title fold, and sole optional asynchronous provider registration. | | `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/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 capabilities, owns Code Mode transport, and routes calls through pre-policy, monotonic guards, around dispatch, post-policy, and final-result observation. | | `ctx.userInteraction` | `seam` | [`user-interaction`](../packages/ui/user-interaction) | [`tui`](../packages/ui/tui), [`acp`](../packages/ui/acp) | [`tool-ask-user`](../packages/ui/tool-ask-user), [`tui`](../packages/ui/tui), [`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. | diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 7b177b9c3d..0782b95751 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -27,7 +27,7 @@ export interface AcpConfig { Depends on: `Stream` (`@agentclientprotocol/sdk`) -Source: [`packages/ui/acp/src/index.ts:207`](../packages/ui/acp/src/index.ts) +Source: [`packages/ui/acp/src/index.ts:209`](../packages/ui/acp/src/index.ts) ## `@deepseek-ai/dsh-acp-demo` @@ -165,7 +165,7 @@ export interface SkillConfig { Depends on: [`AgentLoopConfig`](#deepseek-aidsh-agent-loop) · [`llmRetry`](../packages/llm/llm-retry/src/index.ts) · [`SkillLocal`](../packages/skill/skill-local/src/index.ts) · [`SkillRegistryConfig`](#deepseek-aidsh-skill) · [`SystemPromptConfig`](#deepseek-aidsh-system-prompt) · [`toolBash`](../packages/bash/tool-bash/src/index.ts) · [`ToolsConfig`](#deepseek-aidsh-tools) · [`toolSkill`](../packages/skill/tool-skill/src/index.ts) · [`toolTasks`](../packages/tasks/tool-tasks/src/index.ts) · [`workspaceContext`](../packages/context/workspace-context/src/index.ts) -Source: [`packages/examples/agent-spine-demo/src/index.ts:60`](../packages/examples/agent-spine-demo/src/index.ts) +Source: [`packages/examples/agent-spine-demo/src/index.ts:61`](../packages/examples/agent-spine-demo/src/index.ts) ## `@deepseek-ai/dsh-bash-local` @@ -833,6 +833,50 @@ export interface Config { Source: [`packages/session-query/session-query/src/config.ts:9`](../packages/session-query/session-query/src/config.ts) +## `@deepseek-ai/dsh-session-title` + +Requires: `sessions` + +```ts config-catalog +/** Required deterministic fallback and accepted-title limits. */ +export interface Config { + /** Maximum whitespace-delimited words in the built-in fallback. */ + readonly fallbackMaxWords: number + /** Maximum UTF-8 bytes in the built-in fallback. */ + readonly fallbackMaxBytes: number + /** Maximum UTF-8 bytes in any accepted title. */ + readonly maxTitleBytes: number +} +``` + +Source: [`packages/session-title/session-title/src/index.ts:63`](../packages/session-title/session-title/src/index.ts) + +## `@deepseek-ai/dsh-session-title-all-messages-llm` + +Requires: `sessionTitle` · `llm` + +```ts config-catalog +/** Required LLM policy; this plugin adds no defaults. */ +export type Config = SessionTitleLlmConfig +``` + +Depends on: [`SessionTitleLlmConfig`](../packages/session-title/session-title-llm/src/index.ts) + +Source: [`packages/session-title/session-title-all-messages-llm/src/index.ts:15`](../packages/session-title/session-title-all-messages-llm/src/index.ts) + +## `@deepseek-ai/dsh-session-title-first-message-llm` + +Requires: `sessionTitle` · `llm` + +```ts config-catalog +/** Required LLM policy; this plugin adds no defaults. */ +export type Config = SessionTitleLlmConfig +``` + +Depends on: [`SessionTitleLlmConfig`](../packages/session-title/session-title-llm/src/index.ts) + +Source: [`packages/session-title/session-title-first-message-llm/src/index.ts:15`](../packages/session-title/session-title-first-message-llm/src/index.ts) + ## `@deepseek-ai/dsh-skill` ```ts config-catalog @@ -1277,7 +1321,7 @@ export interface TuiConfig { } ``` -Source: [`packages/ui/tui/src/index.ts:102`](../packages/ui/tui/src/index.ts) +Source: [`packages/ui/tui/src/index.ts:103`](../packages/ui/tui/src/index.ts) ## `@deepseek-ai/dsh-tui-demo` @@ -1560,6 +1604,7 @@ Imported as libraries by other packages; a `cordis.yml` cannot load them. - `@deepseek-ai/dsh-retention` ([`packages/util/retention/src/index.ts`](../packages/util/retention/src/index.ts)) - `@deepseek-ai/dsh-scope` ([`packages/core/scope/src/index.ts`](../packages/core/scope/src/index.ts)) - `@deepseek-ai/dsh-scripts` ([`packages/sdk/scripts/src/index.ts`](../packages/sdk/scripts/src/index.ts)) +- `@deepseek-ai/dsh-session-title-llm` ([`packages/session-title/session-title-llm/src/index.ts`](../packages/session-title/session-title-llm/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-subprocess` ([`packages/subagent/subagent-subprocess/src/index.ts`](../packages/subagent/subagent-subprocess/src/index.ts)) - `@deepseek-ai/dsh-telemetry` ([`packages/sdk/telemetry/src/index.ts`](../packages/sdk/telemetry/src/index.ts)) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 426de24c3a..3e39e12537 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -672,6 +672,13 @@ Live-preferred logical-corpus exact-read and relationship-tracing service. */ listSessions(): Promise +/** + * Fold the latest log-backed title from one live-preferred logical session. + * @param sessionId - live or persisted session id to read. + * @returns latest title snapshot, or `undefined` when the log has no title event. + */ +async readTitle(sessionId: SessionId): Promise + /** * List lightweight raw-log event records for one logical session. * @param sessionId - live-preferred session id to read. @@ -703,9 +710,9 @@ async traceEvent(request: SessionEventTraceRequest): Promise async readEvent(request: SessionEventReadRequest): Promise ``` -Types: [SessionEventReadRequest](../core-data-structures/session-query.md) · [SessionEventRecord](../core-data-structures/session-query.md) · [SessionEventTrace](../core-data-structures/session-query.md) · [SessionEventTraceRequest](../core-data-structures/session-query.md) · [SessionEventWindow](../core-data-structures/session-query.md) · [SessionId](../core-data-structures/core.md) · [SessionLineageTrace](../core-data-structures/session-query.md) · [SessionRecord](../core-data-structures/session-query.md) +Types: [SessionEventReadRequest](../core-data-structures/session-query.md) · [SessionEventRecord](../core-data-structures/session-query.md) · [SessionEventTrace](../core-data-structures/session-query.md) · [SessionEventTraceRequest](../core-data-structures/session-query.md) · [SessionEventWindow](../core-data-structures/session-query.md) · [SessionId](../core-data-structures/core.md) · [SessionLineageTrace](../core-data-structures/session-query.md) · [SessionRecord](../core-data-structures/session-query.md) · [SessionTitleSnapshot](../core-data-structures/session-title.md) -Source: [`packages/session-query/session-query/src/index.ts:38`](../../packages/session-query/session-query/src/index.ts) +Source: [`packages/session-query/session-query/src/index.ts:40`](../../packages/session-query/session-query/src/index.ts) ## `ctx.sessions` — `SessionStore` @@ -801,6 +808,28 @@ announce(session: Session): void */ async flush(session: Session): Promise +/** + * Append one plugin-declared log-only event without borrowing the agent + * loop's lifecycle. An open turn receives the event directly and remains + * responsible for its ordinary checkpoint. A closed log receives one + * zero-step turn around the event, followed by an awaited flush. + * + * Once the synthetic `turn/start` commits, this method always attempts its + * matching `turn/end` and flush, including when the target append fails. + * Detachment requested by an event or flush listener is deferred until that + * sequence settles, so publication cannot switch from a live scoped session + * to an unobserved bare `Session` halfway through the update. + * + * @param session - exact live session that owns the target log. + * @param type - event type opted into {@link OutOfBandSessionEventMap} by its owner. + * @param data - typed JSON payload for the target event. + * @param trigger - plugin-owned turn trigger used only when the log is closed. + * @returns the accepted target event with its assigned sequence and timestamp. + * @throws when the session is detached, another out-of-band append is active, + * event acceptance fails, the synthetic turn cannot close, or flushing fails. + */ +async appendOutOfBand( session: Session, type: T, data: SessionEventMap[T], trigger: TurnTrigger, ): Promise> + /** * Look up a live session. * @param id - the session id to look up. @@ -830,9 +859,43 @@ list(): Session[] fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId): Session ``` -Types: [CreateSessionOptions](../core-data-structures/persistence.md) · [Session](../core-data-structures/session.md) · [SessionId](../core-data-structures/core.md) +Types: [CreateSessionOptions](../core-data-structures/persistence.md) · [OutOfBandSessionEventType](../core-data-structures/session.md) · [Session](../core-data-structures/session.md) · [SessionEvent](../core-data-structures/core.md) · [SessionEventMap](../core-data-structures/session.md) · [SessionId](../core-data-structures/core.md) · [TurnTrigger](../core-data-structures/session.md) -Source: [`packages/core/session/src/index.ts:553`](../../packages/core/session/src/index.ts) +Source: [`packages/core/session/src/index.ts:554`](../../packages/core/session/src/index.ts) + +## `ctx.sessionTitle` — `SessionTitleService` + +Log-backed title fold plus asynchronous fallback generation. + +```ts cordis-catalog +/** + * Read the latest folded title from one live or replayed session. + * @param session - session whose log is the title source of truth. + * @returns latest title snapshot, or `undefined` before eligible input. + */ +get(session: Session): SessionTitleSnapshot | undefined + +/** + * Explicitly retry the registered provider, or materialize the built-in + * fallback when no provider is registered. + * @param session - exact live session to refresh. + * @param signal - optional caller cancellation. + * @returns latest accepted title, or `undefined` when no eligible text exists. + */ +async refresh(session: Session, signal?: AbortSignal): Promise + +/** + * Register the sole optional title provider. Disposal aborts its pending and + * active work before another provider may register. + * @param provider - provider identity, cadence, and generation function. + * @returns exact Cordis effect disposer for HMR-safe unregistration. + */ +register(provider: SessionTitleProvider): () => void +``` + +Types: [Session](../core-data-structures/session.md) · [SessionTitleProvider](../core-data-structures/session-title.md) · [SessionTitleSnapshot](../core-data-structures/session-title.md) + +Source: [`packages/session-title/session-title/src/index.ts:233`](../../packages/session-title/session-title/src/index.ts) ## `ctx.skills` — `SkillService` diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 71a593da7a..c95c3db732 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 | [session.md](session.md) | the full `SessionEventMap` variant catalog, `TurnTrigger`/`TurnEndReason`, `deriveMessages()`, the turn-enclosure invariant | | [persistence.md](persistence.md) | the durability seam: `SessionPersistence`, JSONL + SQLite backends, `session/flush`, crash recovery, `SessionHeader` | | [session-query.md](session-query.md) | logical records, bounded exact-event reads, and relationship traces | +| [session-title.md](session-title.md) | durable title snapshots, source provenance, and the asynchronous provider contract | | [system-prompt.md](system-prompt.md) | per-assembly context, tool-provider results, prompt sections, and cooperative assembly | | [tools.md](tools.md) | `ToolDefinition` full fields, the schema DSL, `ToolExecution`/`ToolResult`, tool-presentation UI types, and the guarded execution pipeline | | [user-interaction.md](user-interaction.md) | the UI-backed human question/answer seam: `AskUserQuestionRequest`, answer/options vocabulary, provider API, error taxonomy | diff --git a/docs/core-data-structures/session-title.md b/docs/core-data-structures/session-title.md new file mode 100644 index 0000000000..3e118368d3 --- /dev/null +++ b/docs/core-data-structures/session-title.md @@ -0,0 +1,118 @@ +# Session Titles + +Durable latest-wins title state and the optional asynchronous provider vocabulary owned by [`@deepseek-ai/dsh-session-title`](../../packages/session-title/session-title). The package README owns timing, fallback, failure, and fork behavior; the generated [persistence catalog](../persistence-catalog.md) owns the complete `session/title` event declaration. + +Source: [`packages/session-title/session-title/src/index.ts`](../../packages/session-title/session-title/src/index.ts) + +## Durable title state + +`SessionTitleProviderId` is recorded for provider-produced revisions. `SessionTitleEventData` carries exact human-message provenance, while `SessionTitleSnapshot` adds the durable event envelope facts selected by `foldSessionTitle()`. + +```ts type-equiv +/** Identifies one session-title provider registration. */ +type SessionTitleProviderId = Branded<'SessionTitleProviderId'> +``` + +```ts type-equiv +/** Exact auxiliary model route that produced a title. */ +interface SessionTitleModelProvenance { + /** Registered LLM provider route. */ + readonly provider: string + /** Provider model id. */ + readonly model: string +} +``` + +```ts type-equiv +/** Durable ownership record for an accepted session title. */ +type SessionTitleSource = + | { readonly kind: 'fallback' } + | { + readonly kind: 'provider' + readonly provider: SessionTitleProviderId + readonly model?: SessionTitleModelProvenance + } +``` + +```ts type-equiv +/** Payload of the log-only `session/title` event. */ +interface SessionTitleEventData { + /** Normalized non-empty title text. */ + readonly title: string + /** Exact human `user/message` seqs used to derive this title. */ + readonly messageSeqs: number[] + /** Built-in fallback or registered-provider provenance. */ + readonly source: SessionTitleSource +} +``` + +```ts type-equiv +/** Latest folded title plus the title event's durable envelope facts. */ +interface SessionTitleSnapshot extends SessionTitleEventData { + /** Seq of the latest `session/title` event. */ + readonly eventSeq: number + /** Timestamp of the latest `session/title` event. */ + readonly updatedAt: number +} +``` + +## Provider input and output + +The service snapshots eligible messages through one revision. A provider returns only seqs from that request; service-owned acceptance verifies ordering, normalizes the title, enforces the byte limit, and appends provenance. + +```ts type-equiv +/** One eligible human text message exposed to title providers. */ +interface SessionTitleUserMessage { + /** Source `user/message` event seq. */ + readonly seq: number + /** Exact concatenated text-block content. */ + readonly text: string +} +``` + +```ts type-equiv +/** Automatic generation cadence owned by a registered provider. */ +type SessionTitleAutomaticMode = 'first-message' | 'all-user-messages' +``` + +```ts type-equiv +/** Immutable input supplied to one title-provider call. */ +interface SessionTitleProviderRequest { + /** Live session being titled. */ + readonly session: Session + /** All eligible human messages through this generation revision. */ + readonly messages: readonly SessionTitleUserMessage[] + /** Exact current logged main-request route, when one has been recorded. */ + readonly route?: SessionTitleModelProvenance + /** Cancellation for supersession, disposal, timeout composition, or the explicit caller. */ + readonly signal: AbortSignal +} +``` + +```ts type-equiv +/** Provider output before service-owned normalization and durable acceptance. */ +interface SessionTitleProviderResult { + /** Proposed title text. */ + readonly title: string + /** Exact seqs from `request.messages` used by this result. */ + readonly messageSeqs: readonly number[] + /** Auxiliary LLM route, when generation used a model. */ + readonly model?: SessionTitleModelProvenance +} +``` + +```ts type-equiv +/** One optional asynchronous title implementation registered with the service. */ +interface SessionTitleProvider { + /** Stable provider identity recorded in title provenance. */ + readonly id: SessionTitleProviderId + /** When new human prompts start automatic generation. */ + readonly automatic: SessionTitleAutomaticMode + /** + * Produce one title revision. + * @param request - message snapshot, current route, session, and cancellation. + * @returns proposed title plus exact input seqs and optional model provenance. + */ + generate(request: SessionTitleProviderRequest): Promise +} +``` diff --git a/docs/core-data-structures/session.md b/docs/core-data-structures/session.md index 8650688222..2e442b8f76 100644 --- a/docs/core-data-structures/session.md +++ b/docs/core-data-structures/session.md @@ -94,6 +94,20 @@ interface SessionEventMap { } ``` +### `OutOfBandSessionEventMap` — narrow late-append opt-in + +`SessionEventMap` membership alone does not authorize an event outside the agent loop's ordinary lifecycle. An event owner declaration-merges the same key into this empty marker map before `ctx.sessions.appendOutOfBand()` accepts it; the derived type additionally excludes every surface event. An accepted update joins an open turn or receives a balanced, flushed zero-step turn. + +```ts type-equiv +/** + * Marker map for plugin-owned log-only events accepted by + * `SessionStore.appendOutOfBand()`. A plugin extends this map with the same key + * it adds to {@link SessionEventMap}; surface and lifecycle events stay + * ineligible unless their owner explicitly opts them into this narrow seam. + */ +interface OutOfBandSessionEventMap {} +``` + ### `TodoItem` — one todo-list entry The unit of the `todo/write` event's whole-list snapshot. Deliberately minimal — a `content` line and a three-state `status` (no id, priority, or `activeForm`): the list is replaced wholesale on every write, so entries need no stable identity, and the status triple is exactly the ACP `PlanEntryStatus`, so a UI bridge can map a todo list onto an ACP `plan` 1:1 (synthesizing the priority ACP additionally requires). See the [todo_write Agent Note](../../.agents/notes/implemented/feature/2026-06-29-todo-write-tool.md). @@ -501,7 +515,7 @@ interface TurnEndReasonMap { ## The turn-enclosure invariant -Every session event lives **inside** a turn (between a `turn/start` and its `turn/end`). The loop appends queued `user/message` events *after* `turn/start`, and an idle `agent.inject()` wraps its `context/message` in a one-shot `injection` turn. This makes the turn the single durability/replay boundary: a backend can treat anything after the last `turn/end` as an interrupted-crash tail without risking the loss of legitimately-recorded between-turn context. The `dsh-invariants` plugin enforces it in dev (a message event outside an open turn throws). See [the turn-enclosure invariant Agent Note](../../.agents/notes/implemented/architecture/2026-06-15-turn-enclosure-invariant.md). +Every session event lives **inside** a turn (between a `turn/start` and its `turn/end`). The loop appends queued `user/message` events *after* `turn/start`, an idle `agent.inject()` wraps its `context/message` in a one-shot `injection` turn, and `appendOutOfBand()` similarly wraps an eligible log-only event when no turn is open. This makes the turn the single durability/replay boundary: a backend can treat anything after the last `turn/end` as an interrupted-crash tail without risking the loss of legitimately-recorded between-turn context. The `dsh-invariants` plugin enforces it in dev (a message event outside an open turn throws). See [the turn-enclosure invariant Agent Note](../../.agents/notes/implemented/architecture/2026-06-15-turn-enclosure-invariant.md). ## Plugin-contributed log-only events diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index 205b00cfa8..71656b7d3f 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -29,8 +29,8 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:54`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `llm/stream` | `waterfall` | [`packages/llm/llm/src/index.ts:44`](../packages/llm/llm/src/index.ts) | [`llm`](../packages/llm/llm) (`waterfall`) | [`invariants`](../packages/support/invariants), [`llm-replay`](../packages/support/llm-replay) | | `session/created` | `emit` | [`packages/core/session/src/index.ts:47`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence) | -| `session/disposed` | `emit` | [`packages/core/session/src/index.ts:57`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`session-persistence`](../packages/session-persistence/session-persistence) | -| `session/event` | `emit` | [`packages/core/session/src/index.ts:69`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`acp`](../packages/ui/acp), [`cli-demo`](../packages/examples/cli-demo), [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence), [`token-meter`](../packages/llm/token-meter), [`tui`](../packages/ui/tui), [`workspace-context`](../packages/context/workspace-context) | +| `session/disposed` | `emit` | [`packages/core/session/src/index.ts:57`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title) | +| `session/event` | `emit` | [`packages/core/session/src/index.ts:69`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`acp`](../packages/ui/acp), [`cli-demo`](../packages/examples/cli-demo), [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title), [`token-meter`](../packages/llm/token-meter), [`tui`](../packages/ui/tui), [`workspace-context`](../packages/context/workspace-context) | | `session/flush` | `parallel` | [`packages/core/session/src/index.ts:79`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`session-persistence`](../packages/session-persistence/session-persistence) | | `subagent/end` | `emit` | [`packages/subagent/subagent/src/index.ts:139`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`jsonrpc`](../packages/ui/jsonrpc) | | `subagent/provider-added` | `emit` | [`packages/subagent/subagent/src/index.ts:113`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`emit`) | [`tool-subagent`](../packages/subagent/tool-subagent) | diff --git a/docs/module-graph.md b/docs/module-graph.md index fe774feedc..0bcdec140e 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -97,6 +97,12 @@ flowchart TD subgraph group_session_query["packages/session-query"] pkg_session_query["session-query"] end + subgraph group_session_title["packages/session-title"] + pkg_session_title["session-title"] + pkg_session_title_all_messages_llm["session-title-all-messages-llm"] + pkg_session_title_first_message_llm["session-title-first-message-llm"] + pkg_session_title_llm["session-title-llm"] + end subgraph group_support["packages/support"] pkg_acp_snapshot["acp-snapshot"] pkg_agent_loop_testkit["agent-loop-testkit"] @@ -194,6 +200,9 @@ flowchart TD pkg_spill --> pkg_llm pkg_spill --> pkg_session pkg_session_persistence --> pkg_session + pkg_session_title --> pkg_brand + pkg_session_title --> pkg_llm + pkg_session_title --> pkg_session pkg_llm_replay --> pkg_llm pkg_llm_replay --> pkg_session pkg_sandbox_local --> pkg_llm @@ -227,6 +236,10 @@ flowchart TD pkg_session_query --> pkg_llm pkg_session_query --> pkg_session pkg_session_query --> pkg_session_persistence + pkg_session_query --> pkg_session_title + pkg_session_title_llm --> pkg_llm + pkg_session_title_llm --> pkg_session_title + pkg_session_title_llm --> pkg_timeout pkg_invariants --> pkg_agent pkg_invariants --> pkg_llm pkg_invariants --> pkg_scope @@ -263,6 +276,12 @@ flowchart TD pkg_fs_sandbox --> pkg_fs_local pkg_fs_sandbox --> pkg_sandbox pkg_fs_sandbox --> pkg_sandbox_policy + pkg_session_title_all_messages_llm --> pkg_llm + pkg_session_title_all_messages_llm --> pkg_session_title + pkg_session_title_all_messages_llm --> pkg_session_title_llm + pkg_session_title_first_message_llm --> pkg_llm + pkg_session_title_first_message_llm --> pkg_session_title + pkg_session_title_first_message_llm --> pkg_session_title_llm pkg_permission --> pkg_bash pkg_permission --> pkg_sandbox pkg_permission --> pkg_sandbox_policy @@ -347,6 +366,7 @@ flowchart TD pkg_acp --> pkg_sandbox pkg_acp --> pkg_session pkg_acp --> pkg_session_persistence + pkg_acp --> pkg_session_title pkg_acp --> pkg_system_prompt pkg_acp --> pkg_tools pkg_acp --> pkg_user_approval @@ -407,6 +427,7 @@ flowchart TD pkg_tui --> pkg_llm pkg_tui --> pkg_llm_retry pkg_tui --> pkg_session + pkg_tui --> pkg_session_title pkg_tui --> pkg_tools pkg_tui --> pkg_user_interaction pkg_agent_spine_demo --> pkg_agent @@ -416,6 +437,7 @@ flowchart TD pkg_agent_spine_demo --> pkg_llm pkg_agent_spine_demo --> pkg_llm_retry pkg_agent_spine_demo --> pkg_session + pkg_agent_spine_demo --> pkg_session_title pkg_agent_spine_demo --> pkg_skill pkg_agent_spine_demo --> pkg_skill_local pkg_agent_spine_demo --> pkg_system_prompt @@ -505,6 +527,7 @@ flowchart TD | [`web-search-perplexity`](../packages/web/web-search-perplexity) | `web` | [`web`](../packages/web/web) | | [`spill`](../packages/spill/spill) | `spill` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) | +| [`session-title`](../packages/session-title/session-title) | `session-title` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`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) | | [`sandbox-policy`](../packages/sandbox/sandbox-policy) | `sandbox` | [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session) | @@ -518,7 +541,8 @@ flowchart TD | [`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) | -| [`session-query`](../packages/session-query/session-query) | `session-query` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | +| [`session-query`](../packages/session-query/session-query) | `session-query` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title) | +| [`session-title-llm`](../packages/session-title/session-title-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session-title`](../packages/session-title/session-title), [`timeout`](../packages/util/timeout) | | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session) | | [`user-approval`](../packages/ui/user-approval) | `ui` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`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) | @@ -528,6 +552,8 @@ flowchart TD | [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`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), [`sandbox-policy`](../packages/sandbox/sandbox-policy) | | [`fs-sandbox`](../packages/fs/fs-sandbox) | `fs` | [`fs`](../packages/fs/fs), [`fs-local`](../packages/fs/fs-local), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy) | +| [`session-title-all-messages-llm`](../packages/session-title/session-title-all-messages-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session-title`](../packages/session-title/session-title), [`session-title-llm`](../packages/session-title/session-title-llm) | +| [`session-title-first-message-llm`](../packages/session-title/session-title-first-message-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session-title`](../packages/session-title/session-title), [`session-title-llm`](../packages/session-title/session-title-llm) | | [`permission`](../packages/ui/permission) | `ui` | [`bash`](../packages/bash/bash), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session`](../packages/core/session), [`user-approval`](../packages/ui/user-approval) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`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), [`home`](../packages/util/home), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) | @@ -542,7 +568,7 @@ flowchart TD | [`tool-cordis`](../packages/cordis/tool-cordis) | `cordis` | [`scope`](../packages/core/scope), [`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), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools) | | [`agent-loop-testkit`](../packages/support/agent-loop-testkit) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | -| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`permission`](../packages/ui/permission), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval), [`user-interaction`](../packages/ui/user-interaction) | +| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`permission`](../packages/ui/permission), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title), [`system-prompt`](../packages/core/system-prompt), [`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) | | [`workspace-context`](../packages/context/workspace-context) | `context` | [`agent`](../packages/core/agent), [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`paths`](../packages/util/paths), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | | [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | `guard` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools) | @@ -554,8 +580,8 @@ flowchart TD | [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tasks`](../packages/tasks/tasks), [`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), [`session-persistence`](../packages/session-persistence/session-persistence), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | | [`jsonrpc`](../packages/ui/jsonrpc) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`llm-deepseek`](../packages/llm/llm-deepseek), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent) | -| [`tui`](../packages/ui/tui) | `ui` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`session`](../packages/core/session), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | -| [`agent-spine-demo`](../packages/examples/agent-spine-demo) | `examples` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`home`](../packages/util/home), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`session`](../packages/core/session), [`skill`](../packages/skill/skill), [`skill-local`](../packages/skill/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`tool-bash`](../packages/bash/tool-bash), [`tool-skill`](../packages/skill/tool-skill), [`tool-tasks`](../packages/tasks/tool-tasks), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) | +| [`tui`](../packages/ui/tui) | `ui` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`session`](../packages/core/session), [`session-title`](../packages/session-title/session-title), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | +| [`agent-spine-demo`](../packages/examples/agent-spine-demo) | `examples` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`home`](../packages/util/home), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`session`](../packages/core/session), [`session-title`](../packages/session-title/session-title), [`skill`](../packages/skill/skill), [`skill-local`](../packages/skill/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`tool-bash`](../packages/bash/tool-bash), [`tool-skill`](../packages/skill/tool-skill), [`tool-tasks`](../packages/tasks/tool-tasks), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) | | [`workflow-workerthread`](../packages/workflow/workflow-workerthread) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`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) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index 80b0b7196d..10020c5d78 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -79,7 +79,7 @@ export type SessionEvent = { }[T] ``` -Sources: [`packages/core/session/src/types.ts:267`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:274`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:304`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:336`](../packages/core/session/src/types.ts) +Sources: [`packages/core/session/src/types.ts:275`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:288`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:318`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:350`](../packages/core/session/src/types.ts) ## Events @@ -376,6 +376,22 @@ Source: [`packages/core/session/src/types.ts:263`](../packages/core/session/src/ Source: [`packages/sandbox/sandbox-policy/src/session-mode.ts:34`](../packages/sandbox/sandbox-policy/src/session-mode.ts) +### `session/*` + +#### `session/title` — log-only + +```ts persistence-catalog +/** + * Latest-wins session title snapshot. Log-only: it never enters the model + * surface or derived history. + */ +'session/title': SessionTitleEventData +``` + +Types: [SessionTitleEventData](core-data-structures/session-title.md) + +Source: [`packages/session-title/session-title/src/index.ts:89`](../packages/session-title/session-title/src/index.ts) + ### `steering/*` #### `steering/message` — surface diff --git a/packages/README.md b/packages/README.md index d6f1b3355b..d400c4fd9d 100644 --- a/packages/README.md +++ b/packages/README.md @@ -29,6 +29,7 @@ Packages live at `packages///`; groups are containers, while names r | [`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 | | [`session-query/`](session-query/README.md) | Session retrieval: logical corpus, bounded reads, lineage, and event relationships | Product — stable surface | +| [`session-title/`](session-title/README.md) | Log-backed session titles: fallback service, shared LLM policy, and opt-in providers | Product — stable surface | | [`sdk/`](sdk/README.md) | Project SDK tooling | Product — stable surface | | [`ui/`](ui/README.md) | Editor/client integration surfaces: ACP bridge, JSON-RPC SDK server, user-approval/user-interaction seams, ask-user tool | Product — stable surface | | [`examples/`](examples/README.md) | Demo bundles (agent-spine + TUI/one-shot CLI/ACP/JSON-RPC bins) the leaves load | Support — example infra | diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index 5705247a8a..9e60d0ff88 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -343,6 +343,10 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ signature: 'listSessions(): Promise', jsDoc: '/**\n * List the complete logical corpus using live-preferred records.\n * @returns deterministic newest-first cloned session records.\n */', }, + { + signature: 'async readTitle(sessionId: SessionId): Promise', + jsDoc: '/**\n * Fold the latest log-backed title from one live-preferred logical session.\n * @param sessionId - live or persisted session id to read.\n * @returns latest title snapshot, or `undefined` when the log has no title event.\n */', + }, { signature: 'async listEvents(sessionId: SessionId): Promise', jsDoc: '/**\n * List lightweight raw-log event records for one logical session.\n * @param sessionId - live-preferred session id to read.\n * @returns event records in ascending seq order.\n */', @@ -385,6 +389,10 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ signature: 'async flush(session: Session): Promise', jsDoc: '/**\n * Dispatch the awaited `session/flush` durability checkpoint for `session`,\n * with the carrier captured at {@link enter}. THE flush entry point: the\n * store owns the carrier, so callers (the loop\'s turn-end checkpoint, idle\n * injection, teardown drains) must come through here rather than dispatch a\n * raw `ctx.parallel(\'session/flush\', …)` — one owner, one spelling, and the\n * scoped-dispatch invariant can pin it.\n * @param session - the session whose buffered events must reach durable storage.\n * @returns resolves when every flush listener has settled; after all settle,\n * rejects with the first registered listener failure if any listener failed.\n */', }, + { + signature: 'async appendOutOfBand( session: Session, type: T, data: SessionEventMap[T], trigger: TurnTrigger, ): Promise>', + jsDoc: '/**\n * Append one plugin-declared log-only event without borrowing the agent\n * loop\'s lifecycle. An open turn receives the event directly and remains\n * responsible for its ordinary checkpoint. A closed log receives one\n * zero-step turn around the event, followed by an awaited flush.\n *\n * Once the synthetic `turn/start` commits, this method always attempts its\n * matching `turn/end` and flush, including when the target append fails.\n * Detachment requested by an event or flush listener is deferred until that\n * sequence settles, so publication cannot switch from a live scoped session\n * to an unobserved bare `Session` halfway through the update.\n *\n * @param session - exact live session that owns the target log.\n * @param type - event type opted into {@link OutOfBandSessionEventMap} by its owner.\n * @param data - typed JSON payload for the target event.\n * @param trigger - plugin-owned turn trigger used only when the log is closed.\n * @returns the accepted target event with its assigned sequence and timestamp.\n * @throws when the session is detached, another out-of-band append is active,\n * event acceptance fails, the synthetic turn cannot close, or flushing fails.\n */', + }, { signature: 'get(id: SessionId): Session | undefined', jsDoc: '/**\n * Look up a live session.\n * @param id - the session id to look up.\n * @returns the session, or undefined when no live session has that id.\n */', @@ -399,6 +407,24 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ }, ], }, + { + key: 'sessionTitle', + summary: 'Log-backed title fold plus asynchronous fallback generation.', + methods: [ + { + signature: 'get(session: Session): SessionTitleSnapshot | undefined', + jsDoc: '/**\n * Read the latest folded title from one live or replayed session.\n * @param session - session whose log is the title source of truth.\n * @returns latest title snapshot, or `undefined` before eligible input.\n */', + }, + { + signature: 'async refresh(session: Session, signal?: AbortSignal): Promise', + jsDoc: '/**\n * Explicitly retry the registered provider, or materialize the built-in\n * fallback when no provider is registered.\n * @param session - exact live session to refresh.\n * @param signal - optional caller cancellation.\n * @returns latest accepted title, or `undefined` when no eligible text exists.\n */', + }, + { + signature: 'register(provider: SessionTitleProvider): () => void', + jsDoc: '/**\n * Register the sole optional title provider. Disposal aborts its pending and\n * active work before another provider may register.\n * @param provider - provider identity, cadence, and generation function.\n * @returns exact Cordis effect disposer for HMR-safe unregistration.\n */', + }, + ], + }, { key: 'skills', summary: 'Registry of skill providers.', @@ -1227,6 +1253,14 @@ export const TYPE_API: readonly TypeApiEntry[] = [ name: 'MessageSourceMap', declaration: 'export interface MessageSourceMap {\n user: {\n kind: \'user\';\n };\n plugin: {\n kind: \'plugin\';\n plugin: string;\n };\n}', }, + { + name: 'OutOfBandSessionEventMap', + declaration: 'export interface OutOfBandSessionEventMap {\n}', + }, + { + name: 'OutOfBandSessionEventType', + declaration: 'export type OutOfBandSessionEventType = Exclude, SurfaceEventType>;', + }, { name: 'PresetOption', declaration: 'export interface PresetOption {\n value: string;\n name: string;\n description?: string;\n}', @@ -1351,6 +1385,46 @@ export const TYPE_API: readonly TypeApiEntry[] = [ name: 'SessionRecord', declaration: 'export interface SessionRecord {\n header: SessionHeader;\n live: boolean;\n persisted: boolean;\n}', }, + { + name: 'SessionTitleAutomaticMode', + declaration: 'export type SessionTitleAutomaticMode = \'first-message\' | \'all-user-messages\';', + }, + { + name: 'SessionTitleEventData', + declaration: 'export interface SessionTitleEventData {\n readonly title: string;\n readonly messageSeqs: number[];\n readonly source: SessionTitleSource;\n}', + }, + { + name: 'SessionTitleModelProvenance', + declaration: 'export interface SessionTitleModelProvenance {\n readonly provider: string;\n readonly model: string;\n}', + }, + { + name: 'SessionTitleProvider', + declaration: 'export interface SessionTitleProvider {\n readonly id: SessionTitleProviderId;\n readonly automatic: SessionTitleAutomaticMode;\n generate(request: SessionTitleProviderRequest): Promise;\n}', + }, + { + name: 'SessionTitleProviderId', + declaration: 'export type SessionTitleProviderId = Branded<\'SessionTitleProviderId\'>;', + }, + { + name: 'SessionTitleProviderRequest', + declaration: 'export interface SessionTitleProviderRequest {\n readonly session: Session;\n readonly messages: readonly SessionTitleUserMessage[];\n readonly route?: SessionTitleModelProvenance;\n readonly signal: AbortSignal;\n}', + }, + { + name: 'SessionTitleProviderResult', + declaration: 'export interface SessionTitleProviderResult {\n readonly title: string;\n readonly messageSeqs: readonly number[];\n readonly model?: SessionTitleModelProvenance;\n}', + }, + { + name: 'SessionTitleSnapshot', + declaration: 'export interface SessionTitleSnapshot extends SessionTitleEventData {\n readonly eventSeq: number;\n readonly updatedAt: number;\n}', + }, + { + name: 'SessionTitleSource', + declaration: 'export type SessionTitleSource = {\n readonly kind: \'fallback\';\n} | {\n readonly kind: \'provider\';\n readonly provider: SessionTitleProviderId;\n readonly model?: SessionTitleModelProvenance;\n};', + }, + { + name: 'SessionTitleUserMessage', + declaration: 'export interface SessionTitleUserMessage {\n readonly seq: number;\n readonly text: string;\n}', + }, { name: 'SkillCandidate', declaration: 'export interface SkillCandidate extends SkillSummary {\n readonly rank: number;\n readonly locator: unknown;\n readonly path?: string;\n readonly metadata?: Readonly>;\n}', diff --git a/packages/core/README.md b/packages/core/README.md index fe98a78c22..f45705a3a4 100644 --- a/packages/core/README.md +++ b/packages/core/README.md @@ -15,4 +15,4 @@ The session log, system-prompt assembly, tool registry, agent vocabulary, and co `agent-loop` is the one concrete implementation of the `agent` seam and lives here because it is the harness's default product loop. It runs each driver inside `ctx.agents.withInitiator()`. Extension plugins depend on `agent`, including when they need the initiating Agent, and never on `agent-loop` directly, so the loop stays swappable. -The default composition that wires this spine into a runnable agent lives in [`examples/agent-spine-demo`](../examples/agent-spine-demo/README.md): 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` + workspace-context + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. It sits in `examples/` — ready-to-run demo/reference bundles — not in `core/`: `core/` ships the swappable spine pieces, while a demo bundle picks one concrete composition of them and adds a front door. +The default composition that wires this spine into a runnable agent lives in [`examples/agent-spine-demo`](../examples/agent-spine-demo/README.md): one bundle plugin that loads the control spine plus selected default capabilities (`timer` + `llm` + sessions + fallback session titles + system-prompt + tools + agents + invariants + the local [skill family](../skill/README.md) + `tool-bash` + workspace-context + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. It sits in `examples/` — ready-to-run demo/reference bundles — not in `core/`: `core/` ships the swappable spine pieces, while a demo bundle picks one concrete composition of them and adds a front door. diff --git a/packages/core/session/README.md b/packages/core/session/README.md index 28210e8f6c..55b9846607 100644 --- a/packages/core/session/README.md +++ b/packages/core/session/README.md @@ -10,6 +10,7 @@ Creates and holds event-sourced `Session` instances. Persistence is intentionall - `ctx.sessions.create(id?, { seed?, meta? }?)` validates and detaches durable seed/header data, fills the version and id, defaults `createdAt` to now, publishes the session, and binds it to the calling fiber. Persisted reconstruction supplies its original `createdAt`, `seedLength`, and `delegationDepth`. - `ctx.sessions.flush(session)` dispatches the awaited parallel durability checkpoint through the session's captured scope. Every listener starts and the call waits for all to settle before reporting failure; unpublished, detached, and stale objects reject. +- `ctx.sessions.appendOutOfBand(session, type, data, trigger)` accepts only plugin event types opted into `OutOfBandSessionEventMap`. It appends directly inside an open turn; otherwise it atomically opens a zero-step plugin turn, appends, closes, and flushes. A target failure still closes and flushes the synthetic turn, and detach is deferred until the sequence settles. - `ctx.sessions.fork(source, boundary?, childSessionId?): Session` — Resolve a live session object or id, select a seed through the inclusive `boundary` event seq (default: current last event), require that boundary to be `turn/end`, and create a live child session with lineage metadata. - `ctx.sessions.get(id: SessionId): Session | undefined` - `ctx.sessions.list(): Session[]` @@ -62,7 +63,7 @@ Durable values need one accepted representation, not a check followed by a secon The append-only log's event types, enumerated member by member — payloads, surface badges, provenance — in the generated [persistence log event catalog](../../../docs/persistence-catalog.md). Token accounting reads per-step `assistant/chunk { type: 'usage' }` records and treats `assistant/message.usage` as the committed-step fallback when no usage chunk exists; failed model-request attempts have no assistant message. Provider/model/replay provenance rides on `assistant/message`; an operational error's step is on `turn/end.reason` for `kind: 'error'`, with structured provider facts for a final model-request failure. -Merge-extensible via `SessionEventMap` — a plugin declaration-merges its own types (the compaction seam's `compact/*`, bounded recovery's non-surface `llm/retry`, the hook bridges' `hook/*`); merged members appear in the same catalog. +Merge-extensible via `SessionEventMap` — a plugin declaration-merges its own types (the compaction seam's `compact/*`, bounded recovery's non-surface `llm/retry`, the hook bridges' `hook/*`); merged members appear in the same catalog. `OutOfBandSessionEventMap` is a separate empty-by-default marker map: an event owner must merge the same key there before `appendOutOfBand()` accepts that log-only type, while surface and lifecycle types remain excluded. Also defines `TurnTriggerMap` and `TurnEndReasonMap` (merge-extensible sum types for typed turn boundaries — `kind`-tagged instead of strings). A final model-request error retains one structured `LlmFailure`; other turn errors retain message/code, and both identify the failed step. diff --git a/packages/examples/README.md b/packages/examples/README.md index f13d15a8ea..aabe0f8ff7 100644 --- a/packages/examples/README.md +++ b/packages/examples/README.md @@ -4,7 +4,7 @@ Pre-composed plugin bundles a thin leaf `cordis.yml` loads instead of assembling | Package | npm name | Role | |---|---|---| -| `agent-spine-demo/` | `@deepseek-ai/dsh-agent-spine-demo` | The executor-less/UI-less agent spine as one bundle plugin (`timer` + `llm` + sessions + system-prompt + tools + skills + agents + invariants + `tool-bash` + workspace-context + `tool-skill` + `agent-loop`) | +| `agent-spine-demo/` | `@deepseek-ai/dsh-agent-spine-demo` | The executor-less/UI-less agent spine as one bundle plugin (`timer` + `llm` + sessions + fallback titles + system-prompt + tools + skills + agents + invariants + `tool-bash` + workspace-context + `tool-skill` + `agent-loop`) | | `tui-demo/` | `@deepseek-ai/dsh-tui-demo` | Full-screen terminal app: the spine + JSONL persistence + `dsh-tui` + a pre-created `main` agent, with a boot `bin` | | `cli-demo/` | `@deepseek-ai/dsh-cli-demo` | Headless one-shot app: the spine + JSONL persistence + a pre-created `main` agent, with text and DSH-native JSON output | | `acp-demo/` | `@deepseek-ai/dsh-acp-demo` | ACP server app: the spine + JSONL persistence + the [`acp`](../ui/acp/README.md) bridge (no stdout logger), with a boot `bin` | diff --git a/packages/examples/agent-spine-demo/README.md b/packages/examples/agent-spine-demo/README.md index 5156225490..36ce09281a 100644 --- a/packages/examples/agent-spine-demo/README.md +++ b/packages/examples/agent-spine-demo/README.md @@ -12,6 +12,7 @@ Read this package for the whole plugin tree and its composition order. @cordisjs/plugin-timer timer service (writes nothing to stdout) @deepseek-ai/dsh-llm abstract LLM service + content-block vocabulary @deepseek-ai/dsh-session event-sourced session log + store +@deepseek-ai/dsh-session-title log-backed title service + deterministic fallback @deepseek-ai/dsh-system-prompt prompt-section + tool-schema assembly @deepseek-ai/dsh-tools registry + guarded pre/around/post/final-result pipeline @deepseek-ai/dsh-skill skill provider registry @@ -33,6 +34,7 @@ Read this package for the whole plugin tree and its composition order. The spine is everything COMMON to every front door. The swappable and front-door-coupled pieces stay out, picked by whatever loads the bundle: - **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`). +- **model-backed session-title providers** — the bundle mounts the fallback service with fixed example limits (5 words, 40 fallback bytes, 80 accepted-title bytes); a leaf may opt into exactly one first-message or all-messages LLM provider. - **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 terminal TUI or ACP front door and `hmr`. These form the coupled front-door cluster that the app packages ([`dsh-tui-demo`](../tui-demo/README.md), [`dsh-acp-demo`](../acp-demo/README.md)) bake in. `timer` is in the spine because it is common and stdout-silent; front doors own stdout and remain outside. @@ -47,7 +49,7 @@ import type { Config } from '@deepseek-ai/dsh-agent-spine-demo' // workspaceContext requires { maxBytes } or false; the other owner schemas supply defaults. ``` -The bundle FORWARDS each field to the child that owns it: `agents` and `maxParallelToolCalls` to `agent-loop` (`agents` defaults to `[]`; the cap defaults there), so each app supplies its own pre-created agents — TUI and headless apps pre-create `main`, while the ACP app creates agents on demand at `session/new`; `llmRetry` to the bounded retry policy; `persona` and `toolOrder` to `dsh-system-prompt`; `tools` to the tool registry for its presentation mode; `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer; the required `workspaceContext` choice to `dsh-workspace-context` (`{ maxBytes }` enables loading and `false` disables it); and `toolBash`/`toolTasks` to the two model-facing tool plugins the bundle owns. Set `skills.enabled: false` to omit both the local provider and model-facing skill tool, and set `toolTasks: false` to retain the task service for foreground producers without exposing `task_output` / `task_list` / `task_kill`. It resolves `dshHome` once through [`@deepseek-ai/dsh-home`](../../util/home/README.md) and forwards that absolute value to tool-bash's managed environment and enabled local skill discovery. An absent top-level `dshHome` adopts `skills.local.dshHome`; supplying both with different resolved paths fails loudly. `toolBash.enableRunInBackground` controls only the bash producer; independently loaded producers keep their own config. Workspace instructions register before the skill catalog so their session-prefix message renders first. App packages use `pickSpineConfig()` to copy only these bundle-owned fields. +The bundle FORWARDS each field to the child that owns it: `agents` and `maxParallelToolCalls` to `agent-loop` (`agents` defaults to `[]`; the cap defaults there), so each app supplies its own pre-created agents — TUI and headless apps pre-create `main`, while the ACP app creates agents on demand at `session/new`; `llmRetry` to the bounded retry policy; `persona` and `toolOrder` to `dsh-system-prompt`; `tools` to the tool registry for its presentation mode; `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer; the required `workspaceContext` choice to `dsh-workspace-context` (`{ maxBytes }` enables loading and `false` disables it); and `toolBash`/`toolTasks` to the two model-facing tool plugins the bundle owns. The session-title fallback limits are fixed example composition policy rather than bundle config. Set `skills.enabled: false` to omit both the local provider and model-facing skill tool, and set `toolTasks: false` to retain the task service for foreground producers without exposing `task_output` / `task_list` / `task_kill`. It resolves `dshHome` once through [`@deepseek-ai/dsh-home`](../../util/home/README.md) and forwards that absolute value to tool-bash's managed environment and enabled local skill discovery. An absent top-level `dshHome` adopts `skills.local.dshHome`; supplying both with different resolved paths fails loudly. `toolBash.enableRunInBackground` controls only the bash producer; independently loaded producers keep their own config. Workspace instructions register before the skill catalog so their session-prefix message renders first. App packages use `pickSpineConfig()` to copy only these bundle-owned fields. ## Why a code bundle, not a shared YAML include diff --git a/packages/session-query/README.md b/packages/session-query/README.md index 4c4b1c75c4..ec1ac6dd39 100644 --- a/packages/session-query/README.md +++ b/packages/session-query/README.md @@ -1,9 +1,9 @@ # session-query/ — session retrieval capability family -Trusted exact reads and relationship traces over live and durable session logs. The family contains one interface package that owns `ctx.sessionQuery`, logical-corpus precedence, surface classification, bounded event reads, lineage, and direct event relationships. +Trusted exact reads and relationship traces over live and durable session logs. The family contains one interface package that owns `ctx.sessionQuery`, logical-corpus precedence, title folding, surface classification, bounded event reads, lineage, and direct event relationships. | Package | Role | ctx key | |---|---|---| -| [`session-query/`](session-query/README.md) | Logical-corpus exact-read and relationship-tracing service | `ctx.sessionQuery` | +| [`session-query/`](session-query/README.md) | Logical-corpus title, event, lineage, and relationship reads | `ctx.sessionQuery` | The family is independent of compaction: it reads canonical lineage, surface operations, and logged provenance but does not participate in compaction policy or execution. Full-text search remains a proposed SQLite package rather than a speculative provider seam in this interface package. diff --git a/packages/session-query/session-query/README.md b/packages/session-query/session-query/README.md index 76fc5eff80..91903a0a52 100644 --- a/packages/session-query/session-query/README.md +++ b/packages/session-query/session-query/README.md @@ -5,12 +5,13 @@ Exact session-history retrieval and relationship tracing through `ctx.sessionQue ## Reads - `listSessions()` reads current persistence metadata, merges live records with live precedence, and returns cloned records in deterministic newest-first order. +- `readTitle(sessionId)` loads one live-preferred or persisted log and folds its latest `session/title` event into a `SessionTitleSnapshot`; it returns `undefined` when the known session has no title. - `listEvents(sessionId)` loads the live-preferred raw log and classifies each event as `current`, `shadowed`, or `log-only` with the shared `dsh-session` surface fold. - `readEvent(request)` returns a cloned header, the full target event, and a bounded raw-seq window. `before` and `after` default to zero and may not exceed `readWindowMax`. - `traceSession(sessionId)` reads the corpus once and returns immediate-to-outward ancestors plus deterministic recursive descendant trees. `complete: false` identifies the first missing parent; a target-connected cycle fails with `SESSION_QUERY_INVALID_LINEAGE`. - `traceEvent(request)` loads the logical log once and returns direct positional replacements and direct logged provenance. `replacementChain` follows positional replacers to the final replacement; provenance links remain non-transitive. -Persistence is optional and may mount or unmount dynamically. Cross-corpus listing and lineage tracing fail with `SESSION_QUERY_PERSISTENCE_FAILED` while mounted persistence is unreadable. An event read or trace targeting a known live session does not consult persistence, so durable backend health cannot make current in-memory history unreadable. Persisted event operations list before loading and reject a metadata mismatch rather than combining inconsistent observations. +Persistence is optional and may mount or unmount dynamically. Cross-corpus listing and lineage tracing fail with `SESSION_QUERY_PERSISTENCE_FAILED` while mounted persistence is unreadable. A title, event read, or trace targeting a known live session does not consult persistence, so durable backend health cannot make current in-memory state unreadable. Persisted title and event operations list before loading and reject a metadata mismatch rather than combining inconsistent observations. `listSessions()` remains lightweight and does not load logs or index titles. `listEvents()` and `traceEvent()` run the same one-pass `dsh-session` surface fold. A loaded log is valid only when event seqs are zero-based and contiguous, surface markers obey event-type eligibility, provenance arrays are nonempty and duplicate-free, references name earlier events, and each positional replacement names and cites every surface node it removes; every violation fails with `SESSION_QUERY_INVALID_SURFACE`. diff --git a/packages/support/acp-snapshot/README.md b/packages/support/acp-snapshot/README.md index b109ca3afa..264a980c63 100644 --- a/packages/support/acp-snapshot/README.md +++ b/packages/support/acp-snapshot/README.md @@ -6,8 +6,8 @@ Four layers, importable separately: - **`launchAcpTestAgent` (launcher)** — boots an unbuilt ACP agent from a temp cwd, pins tsx to the repo tsconfig, connects the SDK client over a raw-byte stdout tee, collects session updates and stderr, surfaces asynchronous spawn failures through its startup lifecycle, fails closed on unhandled permission requests, and owns graceful or signalled shutdown. Shutdown waits for process exit, inherited stdio closure, and ACP parser exhaustion before resolving or propagating a child error, so captures are complete and callers can remove owned paths after either outcome. Snapshot and ordinary e2e suites share this process boundary; a test supplies only agent paths, cwd, environment overrides, and any permission policy. - **`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 expected-output and purity checks, 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). Startup failures preserve captured agent stderr in the rejected diagnostic. -- **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}}`), `scrubToolSchemas` (schema bulk → `{{tools}}`), and `scrubRequestHeaders` (all header bulk → `{{system}}`/`{{tools}}`/`{{messagePrefix}}` outside each pin, structure kept — [pinned-header Agent Note](../../../.agents/notes/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 expected-output and re-persisted-log comparisons, record/refresh fixture write-back, rejection of structured `UNKNOWN_TOOL` results, the per-header-class pin (`system-prompt.expected.md` plus `tool-schemas.expected.json`) 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/schema-scrubbed, non-pinning fixtures fully header-scrubbed). Each scenario directory's `session.jsonl` plus contiguous `session..jsonl` siblings are the ordered primary/child inventory; the scenario table does not duplicate their count. 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; `session_info_update.updatedAt` → `{{updatedAt}}`; doubles as the stdout-purity check), `normalizeSessionLog` (times zeroed, `seq` kept), `scrubSystemPrompts` (prompt text → `{{system}}`), `scrubToolSchemas` (schema bulk → `{{tools}}`), and `scrubRequestHeaders` (all header bulk → `{{system}}`/`{{tools}}`/`{{messagePrefix}}` outside each pin, structure kept — [pinned-header Agent Note](../../../.agents/notes/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 expected-output and re-persisted-log comparisons, record/refresh fixture write-back, rejection of structured `UNKNOWN_TOOL` results, the per-header-class pin (`system-prompt.expected.md` plus `tool-schemas.expected.json`) 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/schema-scrubbed, non-pinning fixtures fully header-scrubbed). Refresh preserves existing volatile fields by event position and gives a newly inserted `session/title` its preceding event's time, so feature-driven insertions do not churn the remainder of a fixture. Each scenario directory's `session.jsonl` plus contiguous `session..jsonl` siblings are the ordered primary/child inventory; the scenario table does not duplicate their count. Must be called at vitest collection time. A consuming `*.snapshot.ts` is the scenario table plus one factory call: diff --git a/packages/ui/README.md b/packages/ui/README.md index bd6b6c9406..f600681dae 100644 --- a/packages/ui/README.md +++ b/packages/ui/README.md @@ -4,12 +4,12 @@ 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`) | +| `acp/` | Agent Client Protocol bridge: serves agents and live/replayed title updates to an ACP editor 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` | | `permission/` | User-facing permission presets (`workspace-write`/`danger-full-access`): one product-level select bundling the sandbox-mode and approval-policy knobs, written through to their session events | `ctx.permission` | | `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`) | -| `tui/` | Interactive pi-tui terminal channel for TTY sessions; renders `session/event`, tool presentation intents, and answers `ctx.userInteraction` | (drives `ctx.agents`) | +| `tui/` | Interactive pi-tui terminal channel; renders session titles/events and tool intents, and answers `ctx.userInteraction` | (drives `ctx.agents`) | | `jsonrpc/` | Stdio JSON-RPC server for out-of-process SDK clients | (drives `ctx.agents`) | | `app-boot/` | Shared boot glue for the app bins: `.env` loading, fail-loud Loader guards, snapshot-aware config resolution, the settle-the-tree boot sequence | (library for the bins) | diff --git a/packages/ui/acp/README.md b/packages/ui/acp/README.md index 7a1a9fb00e..698f342ef5 100644 --- a/packages/ui/acp/README.md +++ b/packages/ui/acp/README.md @@ -27,10 +27,10 @@ The `initialize` handshake reports a fixed server identity (`agentInfo: { name: |---|---|---| | `initialize` | static | negotiate `protocolVersion`; advertise baseline prompt capabilities (`text`, plus `resource_link` rendered as text) and `loadSession: true` | | `session/new` | `ctx.agents.create({ sessionId, meta:{cwd} })` | creates a new session/agent; N concurrent sessions are allowed, keyed by id; `cwd` must be absolute (it becomes the session's workspace — see Per-session cwd); non-empty `additionalDirectories` and `mcpServers` rejected | -| `session/load` | `ctx.agents.resume(...)` | reserves the id, verifies the persisted cwd, resumes, and replays user, assistant, and tool events | +| `session/load` | `ctx.agents.resume(...)` | reserves the id, verifies the persisted cwd, resumes, and replays user, assistant, tool, and title events | | `session/prompt` | `agent.send()` | supports ACP `text` and `resource_link` blocks; rejects image/audio/embedded resource and empty prompts; one in-flight prompt PER session (independent); settles on the OWNING turn's end (a turn that ends in `error` rejects the RPC) | | `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` | streams user replay, assistant text/reasoning, retry/failure attempt markers, and tool render intents | +| `session/update` | `session/event` | streams user replay, assistant text/reasoning, retry/failure attempt markers, tool render intents, and `session_info_update` title revisions | | `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 | answers one-shot allow/reject requests for bridge-owned calls; foreign or call-less requests delegate and fail closed if unanswered — see "Permission prompts" | | `session/set_config_option` | agent-scoped request target / `ctx.permission.set()` | per-session provider+model and permission-preset switching over [session config options](https://agentclientprotocol.com/protocol/session-config-options) — see "Session config options" | @@ -49,6 +49,8 @@ The shared [`ctx.tasks` runtime](../../tasks/tasks/) fences access to predictabl ACP updates are append-only, so `llm/retry` emits a visible separator that marks preceding partial model output discarded before the next attempt streams. A terminal model-request failure emits the same discarded-output warning; replay derives both markers from the durable events. +A log-only `session/title` event maps to ACP `session_info_update` with `title` and the event timestamp as `updatedAt`. The same mapping runs for live events and `session/load` replay, so an asynchronously generated late title and a restored persisted title have one wire representation without entering model history. + ## Per-session cwd `session/new` records the request's absolute cwd in the session header. Before constructing an agent, `session/load` uses persisted metadata to require an absolute request cwd that matches the stored one. Bash defaults to that workspace; an explicit relative workdir resolves against it, and multiple sessions may use different workspaces. `additionalDirectories` remains unsupported. @@ -112,7 +114,7 @@ Append-only; newly visible content follows the reusable request prefix and does #### What the model sees -When optional consumers are loaded, ACP form answers become the exact JSON shape documented by `dsh-tool-ask-user`. Failures become `Error: ACP user questions must come from an agent-owned request`, `Error: ACP user question has no matching session`, `Error: ACP elicitation request failed`, `Error: ask_user_question was cancelled by the user`, `Error: ask_user_question returned no answer`, or `Error: ask_user_question was aborted before the user answered`. Permission decisions control whether another tool yields success or denial. ACP tool cards, terminal output, diffs, and streamed session updates are UI-only. +When optional consumers are loaded, ACP form answers become the exact JSON shape documented by `dsh-tool-ask-user`. Failures become `Error: ACP user questions must come from an agent-owned request`, `Error: ACP user question has no matching session`, `Error: ACP elicitation request failed`, `Error: ask_user_question was cancelled by the user`, `Error: ask_user_question returned no answer`, or `Error: ask_user_question was aborted before the user answered`. Permission decisions control whether another tool yields success or denial. ACP tool cards, terminal output, diffs, title updates, and other streamed session updates are UI-only. #### Token effect diff --git a/packages/ui/tui/README.md b/packages/ui/tui/README.md index dd6553d09f..f2fb2440ff 100644 --- a/packages/ui/tui/README.md +++ b/packages/ui/tui/README.md @@ -8,7 +8,7 @@ Interactive terminals on macOS, Linux, and Windows are supported. Windows uses p This package owns interactive terminal presentation and input only. It injects `agents`, `tools`, and `userInteraction`, then drives an agent created or resumed by app or developer code. Agent lifecycle, persistence, and the model-facing [`ask_user_question`](../tool-ask-user/README.md) tool remain separate composition entries. -The TUI rebuilds resumed history from the active session surface, renders Markdown responses and reasoning, applies each tool's `presentCall` / `presentResult` intent to terminal, diff, or generic cards, keeps the latest `todo/write` plan above the editor, and presents `ctx.userInteraction` questions as keyboard-driven overlays. A durable `llm/retry` event retracts the failed step's live chunks and renders the scheduled retry count, delay, and failure in the transcript; success, exhaustion, and cancellation then settle through ordinary session events. The footer totals each logged model step's usage once, including failed attempts, while treating committed-message usage as a fallback for logs without a usage chunk. Surface replacement events rebuild the transcript so compacted history does not reappear. +The TUI rebuilds resumed history from the active session surface, renders Markdown responses and reasoning, applies each tool's `presentCall` / `presentResult` intent to terminal, diff, or generic cards, keeps the latest `todo/write` plan above the editor, and presents `ctx.userInteraction` questions as keyboard-driven overlays. The latest logged session title becomes the header subtitle, with `welcome` before a title exists, and the terminal window title becomes ` — `. A durable `llm/retry` event retracts the failed step's live chunks and renders the scheduled retry count, delay, and failure in the transcript; success, exhaustion, and cancellation then settle through ordinary session events. The footer totals each logged model step's usage once, including failed attempts, while treating committed-message usage as a fallback for logs without a usage chunk. Surface replacement events rebuild the transcript so compacted history does not reappear. Before model output, session events, tool presenters, questions, configuration, or diagnostics reach pi-tui's ANSI-aware renderers or the terminal title, the TUI renders C0 and C1 controls other than line feeds as visible `\xNN` text. Those sources cannot add terminal control sequences; the TUI and pi-tui retain ownership of terminal rendering and styling. @@ -18,7 +18,7 @@ While the agent is running, editor submissions call `agent.steer()`; otherwise t | Key | Default | Meaning | |---|---|---| -| `welcome` | `ready.` | Header subtitle | +| `welcome` | `ready.` | Header subtitle until the session has a logged title. | | `sessionId` | `main` | Exact shared agent/session identity driven by the terminal | | `showReasoning` | `true` | Render reasoning blocks | | `maxToolOutputLines` | `12` | Collapsed tool-card output limit | @@ -27,7 +27,7 @@ While the agent is running, editor submissions call `agent.steer()`; otherwise t | `questionDialogMaxHeight` | `20` | Question-overlay maximum rows | | `showHardwareCursor` | `false` | Show the hardware cursor at pi-tui's IME marker | | `color` | `true` | Apply the built-in ANSI palette (see [Color](#color)) | -| `title` | `DeepSeek Harness` | Terminal window title | +| `title` | `DeepSeek Harness` | Product suffix for the terminal window title. | ```yaml - id: terminal @@ -55,7 +55,7 @@ Each non-empty editor submission becomes one text block, sent with `agent.send() #### Token effect -Submitted text is retained under the agent loop's normal session-history and compaction rules. Headers, cards, Markdown rendering, status lines, plans, and help text add no tokens. +Submitted text is retained under the agent loop's normal session-history and compaction rules. Headers, the logged title, cards, Markdown rendering, status lines, plans, and help text add no tokens. #### KV Cache effect diff --git a/scripts/gen-cordis-catalog.ts b/scripts/gen-cordis-catalog.ts index 9c35e19bd2..77c410512d 100644 --- a/scripts/gen-cordis-catalog.ts +++ b/scripts/gen-cordis-catalog.ts @@ -83,8 +83,11 @@ export const LINK_MAP: Record = { ScopeKey: 'scope.md', Scoped: 'scope.md', EpochHeader: 'session.md', + OutOfBandSessionEventType: 'session.md', Session: 'session.md', + SessionEventMap: 'session.md', TurnEndReason: 'session.md', + TurnTrigger: 'session.md', SessionEventReadRequest: 'session-query.md', SessionEventRecord: 'session-query.md', SessionEventTrace: 'session-query.md', @@ -92,6 +95,8 @@ export const LINK_MAP: Record = { SessionEventWindow: 'session-query.md', SessionLineageTrace: 'session-query.md', SessionRecord: 'session-query.md', + SessionTitleProvider: 'session-title.md', + SessionTitleSnapshot: 'session-title.md', SkillDefinition: 'skills.md', SkillLookupOptions: 'skills.md', SkillProvider: 'skills.md', diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts index 35d18f6483..aa293622d4 100644 --- a/scripts/gen-doc-graphs.ts +++ b/scripts/gen-doc-graphs.ts @@ -73,6 +73,7 @@ const GROUP_ORDER = [ 'hooks', 'session-persistence', 'session-query', + 'session-title', 'support', 'ui', ] @@ -127,6 +128,14 @@ const SERVICE_ROLES: ServiceRole[] = [ mode: 'seam', note: 'Resolves live and optional persisted logs into one logical corpus for exact reads and relationship traces.', }, + { + key: 'sessionTitle', + pkg: 'session-title', + title: 'Log-backed session titles', + mode: 'seam', + implementations: ['session-title-first-message-llm', 'session-title-all-messages-llm'], + note: 'Owns the deterministic fallback, latest-title fold, and sole optional asynchronous provider registration.', + }, { key: 'systemPrompt', pkg: 'system-prompt', diff --git a/scripts/gen-module-graph.ts b/scripts/gen-module-graph.ts index 520375c9ae..f31636c9dd 100644 --- a/scripts/gen-module-graph.ts +++ b/scripts/gen-module-graph.ts @@ -34,6 +34,7 @@ const GROUP_ORDER = [ 'hooks', 'session-persistence', 'session-query', + 'session-title', 'support', 'ui', ] diff --git a/scripts/gen-persistence-catalog.ts b/scripts/gen-persistence-catalog.ts index 167fd3c7f1..1fe5292716 100644 --- a/scripts/gen-persistence-catalog.ts +++ b/scripts/gen-persistence-catalog.ts @@ -41,6 +41,10 @@ const LINK_MAP: Record = { TodoItem: 'session.md', TurnTrigger: 'session.md', TurnEndReason: 'session.md', + SessionTitleEventData: 'session-title.md', + SessionTitleModelProvenance: 'session-title.md', + SessionTitleProviderId: 'session-title.md', + SessionTitleSource: 'session-title.md', } /** One log event, extracted from a `SessionEventMap` declaration. */ diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index 61f5d52e62..88969d5996 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -43,6 +43,7 @@ { "doc": "docs/core-data-structures/token-meter.md", "symbol": "TokenSurfaceNode", "source": "packages/llm/token-meter/src/types.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": "OutOfBandSessionEventMap", "source": "packages/core/session/src/types.ts" }, { "doc": "docs/core-data-structures/session.md", "symbol": "EpochHeader", "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" }, @@ -71,6 +72,17 @@ { "doc": "docs/core-data-structures/session-query.md", "symbol": "SessionEventTraceRequest", "source": "packages/session-query/session-query/src/types.ts" }, { "doc": "docs/core-data-structures/session-query.md", "symbol": "SessionEventTrace", "source": "packages/session-query/session-query/src/types.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleProviderId", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleModelProvenance", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleSource", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleEventData", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleSnapshot", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleUserMessage", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleAutomaticMode", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleProviderRequest", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleProviderResult", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleProvider", "source": "packages/session-title/session-title/src/index.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" }, From 6fc7dd4c02b98dc815f0dbd5d2fe79473873f3e9 Mon Sep 17 00:00:00 2001 From: Chinesezjc Date: Tue, 21 Jul 2026 11:07:50 +0800 Subject: [PATCH 14/28] chore(gates): route doc-sync through the run-gates scheduler pnpm run doc-sync was a serial &&-chain of 24 pnpm run subcommands; the 24 script bodies finish in ~34s while the chain takes ~3min, all wrapper overhead. Add a doc-sync mode to scripts/run-gates.ts expanding to docSyncLeafGates() (concurrency capped at 4 like pre-push: several doc gates each build a full ts.Program) and point the package script at it, making the leaf list the single source of truth for the member set. Consolidating the two lists surfaced drift: verify-cordis-api joined the package.json chain with the runtime API catalog but was never added to docSyncLeafGates, so CI and pre-push never gated that catalog's freshness. Add the missing leaf. --- .../2026-07-06-parallel-pre-push-gates.md | 2 +- ...-doc-sync-through-gate-scheduler.i18n.yaml | 6 +++++ ...6-07-21-doc-sync-through-gate-scheduler.md | 25 +++++++++++++++++++ ...7-21-doc-sync-through-gate-scheduler.zh.md | 25 +++++++++++++++++++ AGENTS.md | 2 +- docs/development.i18n.yaml | 4 +-- docs/development.md | 2 +- docs/development.zh.md | 2 +- package.json | 2 +- scripts/run-gates.ts | 16 +++++++++--- 10 files changed, 75 insertions(+), 11 deletions(-) create mode 100644 .agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.i18n.yaml create mode 100644 .agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.md create mode 100644 .agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.zh.md diff --git a/.agents/notes/implemented/process/2026-07-06-parallel-pre-push-gates.md b/.agents/notes/implemented/process/2026-07-06-parallel-pre-push-gates.md index 60472e51ec..710c37cb3a 100644 --- a/.agents/notes/implemented/process/2026-07-06-parallel-pre-push-gates.md +++ b/.agents/notes/implemented/process/2026-07-06-parallel-pre-push-gates.md @@ -20,7 +20,7 @@ The build gate makes the hook self-contained from a clean worktree. `publint`, ` [scripts/publint-all.ts](../../../../scripts/publint-all.ts) discovers the package list from `packages//` and runs `publint` with a worker pool sized from `availableParallelism()`. `DSH_PUBLINT_CONCURRENCY` can cap or raise the worker count for local machines and CI runners with different resource profiles. Results are buffered per package and printed in deterministic package order, so parallel execution does not scramble each package's log block. -The aggregate package scripts remain the source of truth for ad hoc local runs. The scheduler is a parallel execution plan over their member gates, not a replacement vocabulary. +The per-gate package scripts remain the vocabulary for ad hoc local runs. `hygiene` stays an aggregate `&&` chain the scheduler mirrors, while `doc-sync` has since moved its member list into the scheduler itself ([doc-sync through the gate scheduler](2026-07-21-doc-sync-through-gate-scheduler.md)). ## Alternatives considered diff --git a/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.i18n.yaml b/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.i18n.yaml new file mode 100644 index 0000000000..9deebd1da3 --- /dev/null +++ b/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.i18n.yaml @@ -0,0 +1,6 @@ +# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each +# side as of the last confirmed-consistent state. Both languages carry equal authority; +# after editing either side, bring the other along and re-record with: +# pnpm run verify-translation-pairing --write +2026-07-21-doc-sync-through-gate-scheduler.md: b79df2dd7d3515cb0434ac672f7f87c3271d900b +2026-07-21-doc-sync-through-gate-scheduler.zh.md: 9395244e3c7700166ad87c49219073210c66bc7e diff --git a/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.md b/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.md new file mode 100644 index 0000000000..b79df2dd7d --- /dev/null +++ b/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.md @@ -0,0 +1,25 @@ +# Agent Note: doc-sync through the gate scheduler + +Status: implemented + +English | [中文](2026-07-21-doc-sync-through-gate-scheduler.zh.md) + +## Problem + +`pnpm run doc-sync` was a `&&` chain of 24 `pnpm run` subcommands. Each link paid a full pnpm wrapper start (workspace resolution, script lookup, tsx boot) before its script ran; measured on a development host, the 24 script bodies together finish in about 34 seconds while the chained form takes around 3 minutes, and the wrapper stall reproduces on local disk, so every developer and CI lane pays it, not just network-filesystem checkouts. The chain also ran serially even though the member gates are read-only and independent, and it silently drifted from [scripts/run-gates.ts](../../../../scripts/run-gates.ts): `verify-cordis-api` joined the chain when the runtime API catalog landed but was never added to `docSyncLeafGates`, so CI and pre-push never enforced that catalog's freshness. + +## Decision + +`doc-sync` in `package.json` now delegates to the existing bounded scheduler — `tsx scripts/run-gates.ts doc-sync` — the same way `check:pre-push` and the `check:ci:*` scripts already do ([parallel pre-push gates](2026-07-06-parallel-pre-push-gates.md), [parallel GitHub CI gates](2026-07-06-parallel-github-ci-gates.md)). The new `doc-sync` mode expands to exactly `docSyncLeafGates()`, making the leaf list in `run-gates.ts` the single source of truth for the member set; the chain that could drift from it is gone. Like `pre-push`, the mode caps default concurrency at four workers because several doc gates each build a full `ts.Program`; `DSH_GATE_CONCURRENCY` still overrides. + +The drift this consolidation surfaced is fixed in the same change: `docSyncLeafGates` gains the missing `verify-cordis-api` leaf, so CI and pre-push now gate the generated runtime API catalog alongside the other generated docs. + +## Alternatives considered + +- **Keep the `&&` chain and only fix the missing leaf** — repairs today's drift but keeps two member lists that will drift again, and keeps the 24 serial pnpm wrapper starts. +- **A dedicated `scripts/doc-sync.ts` importing each verify module in one process** — saves even the per-gate tsx boot, but requires refactoring all 24 scripts from run-at-import to callable entry points and loses the scheduler's per-gate timing, isolation, and failure grouping; the wrapper start the scheduler already avoids is the dominant cost. +- **Shell loop over `tsx scripts/*.ts`** — avoids pnpm wrapper starts cheaply but adds a second execution vocabulary next to the scheduler CI already uses, with none of its scheduling or reporting. + +## Consequences + +One `pnpm run doc-sync` now costs one pnpm wrapper start plus the slowest dependency chain of member gates instead of 24 wrapper starts plus the sum of all members. Adding a doc gate is one edit in `docSyncLeafGates` (plus the package script itself for ad hoc runs); `package.json` keeps the per-gate `verify-*` scripts as the vocabulary for running one gate by hand. The scheduler prints per-gate timing, so a slow doc-sync points at the gate that dominates. `pnpm run doc-sync` output is now interleaved scheduler output rather than sequential per-command output; anything parsing that output must key on the `run-gates:` summary lines. diff --git a/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.zh.md b/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.zh.md new file mode 100644 index 0000000000..9395244e3c --- /dev/null +++ b/.agents/notes/implemented/process/2026-07-21-doc-sync-through-gate-scheduler.zh.md @@ -0,0 +1,25 @@ +# Agent Note: doc-sync 走门禁调度器 + +Status: implemented + +[English](2026-07-21-doc-sync-through-gate-scheduler.md) | 中文 + +## 问题 + +`pnpm run doc-sync` 原本是把 24 个 `pnpm run` 子命令用 `&&` 串起来的链。每一环都要先付一次完整的 pnpm 包装层启动（workspace 解析、脚本查找、tsx 启动）才轮到脚本本体；在开发机上实测，24 个脚本本体合计约 34 秒即可跑完，而链式形态耗时约 3 分钟，且包装层的停顿在本地磁盘上同样复现，因此每位开发者和每条 CI 车道都在付这笔开销，并非只有网络文件系统上的检出受影响。这条链还是串行执行的，尽管各成员门禁只读且相互独立；它也在悄悄偏离 [scripts/run-gates.ts](../../../../scripts/run-gates.ts)：运行时 API 目录落地时 `verify-cordis-api` 加入了链，却从未加进 `docSyncLeafGates`，导致 CI 和 pre-push 从未把关该目录的新鲜度。 + +## 决策 + +`package.json` 中的 `doc-sync` 现在委托给既有的有界调度器——`tsx scripts/run-gates.ts doc-sync`——与 `check:pre-push` 和各 `check:ci:*` 脚本的做法一致（[并行 pre-push 门禁](2026-07-06-parallel-pre-push-gates.md)、[并行 GitHub CI 门禁](2026-07-06-parallel-github-ci-gates.md)）。新增的 `doc-sync` 模式恰好展开为 `docSyncLeafGates()`，使 `run-gates.ts` 里的叶子列表成为成员集合的唯一真源；那条可能与之漂移的链不复存在。与 `pre-push` 一样，该模式把默认并发上限设为四个 worker，因为多个文档门禁各自要构建完整的 `ts.Program`；`DSH_GATE_CONCURRENCY` 仍可覆盖。 + +这次整合暴露出的漂移在同一变更中修复：`docSyncLeafGates` 补上缺失的 `verify-cordis-api` 叶子，CI 和 pre-push 从此与其他生成文档一起把关生成的运行时 API 目录。 + +## 考虑过的替代方案 + +- **保留 `&&` 链，只补缺失的叶子**——能修好今天的漂移，但保留了两份还会再漂移的成员列表，也保留了 24 次串行的 pnpm 包装层启动。 +- **专门的 `scripts/doc-sync.ts` 在单进程内 import 各校验模块**——连每个门禁的 tsx 启动也能省掉，但需要把全部 24 个脚本从 import 即执行改造成可调用入口，还会失去调度器的按门禁计时、隔离和失败分组；而调度器已经避免的包装层启动才是开销的大头。 +- **用 shell 循环跑 `tsx scripts/*.ts`**——以低成本避开 pnpm 包装层启动，却在 CI 已经使用的调度器旁边增加了第二套执行词汇，且没有它的任何调度与报告能力。 + +## 结果 + +一次 `pnpm run doc-sync` 的成本从 24 次包装层启动加全部成员之和，变为一次包装层启动加成员门禁中最慢的依赖链。新增文档门禁只需在 `docSyncLeafGates` 改一处（外加 package script 本身以便手工单独运行）；`package.json` 保留各 `verify-*` 脚本作为手工运行单个门禁的词汇。调度器输出按门禁计时，doc-sync 变慢时能直接指向占大头的门禁。`pnpm run doc-sync` 的输出从逐命令顺序输出变为调度器的交错输出；解析该输出的工具必须以 `run-gates:` 摘要行为准。 diff --git a/AGENTS.md b/AGENTS.md index 87f46c88a0..5655c89cb2 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -56,7 +56,7 @@ pnpm run lint pnpm run duplication # cross-file TypeScript clone detection pnpm run build # tsc emits lib/types, tsdown bundles runtime pnpm run hygiene # knip + publint + workspace constraints + NodeNext consumer check -pnpm run doc-sync # all documentation gates; see the doc-sync script in package.json +pnpm run doc-sync # all documentation gates; see the doc-sync leaf list in scripts/run-gates.ts pnpm run website:build # VitePress build (doubles as the site's dead-link check) pnpm run demo:echo # mock-model REPL, no key needed pnpm run demo:repl # real REPL coding agent (needs DEEPSEEK_API_KEY) diff --git a/docs/development.i18n.yaml b/docs/development.i18n.yaml index 2ca3f14fbc..c3e1f4d2f7 100644 --- a/docs/development.i18n.yaml +++ b/docs/development.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -development.md: 94eb4f03329b574862a1ac1de2f8c1d4db4f4a0a -development.zh.md: b533aff43a66ff7cfc5dc61e5b9b224a01c51f12 +development.md: 1b8d94d281910277764be0e2693e54b537112e9a +development.zh.md: 396252e5cd8350f1cf7f987a1e9a943ed3145286 diff --git a/docs/development.md b/docs/development.md index 94eb4f0332..1b8d94d281 100644 --- a/docs/development.md +++ b/docs/development.md @@ -90,7 +90,7 @@ pnpm run verify-md-wrap # fail on hard-wrapped prose paragraphs in docs/README pnpm run verify-mermaid # fail if a ```mermaid diagram has invalid Mermaid syntax pnpm run verify-type-equiv # fail if a ```ts type-equiv doc block drifts from its source type pnpm run verify-doc-budgets # fail if a budgeted standing doc exceeds its word ceiling -pnpm run doc-sync # all Markdown/doc gates; see the doc-sync script in package.json for the full list +pnpm run doc-sync # all Markdown/doc gates, scheduled concurrently; the doc-sync leaf list in scripts/run-gates.ts is the full list pnpm run gen-module-graph # regenerate docs/module-graph.md from package peerDeps pnpm run verify-module-graph # fail if docs/module-graph.md is stale pnpm run build # emit lib/types intermediates, then bundle lib/index.* runtime files diff --git a/docs/development.zh.md b/docs/development.zh.md index b533aff43a..396252e5cd 100644 --- a/docs/development.zh.md +++ b/docs/development.zh.md @@ -90,7 +90,7 @@ pnpm run verify-md-wrap # fail on hard-wrapped prose paragraphs in docs/README pnpm run verify-mermaid # fail if a ```mermaid diagram has invalid Mermaid syntax pnpm run verify-type-equiv # fail if a ```ts type-equiv doc block drifts from its source type pnpm run verify-doc-budgets # fail if a budgeted standing doc exceeds its word ceiling -pnpm run doc-sync # all Markdown/doc gates; see the doc-sync script in package.json for the full list +pnpm run doc-sync # all Markdown/doc gates, scheduled concurrently; the doc-sync leaf list in scripts/run-gates.ts is the full list pnpm run gen-module-graph # regenerate docs/module-graph.md from package peerDeps pnpm run verify-module-graph # fail if docs/module-graph.md is stale pnpm run build # emit lib/types intermediates, then bundle lib/index.* runtime files diff --git a/package.json b/package.json index ad4704bf98..812b11cbd5 100644 --- a/package.json +++ b/package.json @@ -75,7 +75,7 @@ "website:dev": "pnpm --filter @deepseek-ai/website run dev", "website:build": "pnpm --filter @deepseek-ai/website run build", "constraints": "tsx scripts/check-workspace-constraints.ts", - "doc-sync": "pnpm run doc-typecheck && pnpm run verify-cordis-catalog && pnpm run verify-cordis-api && pnpm run verify-export-jsdoc && pnpm run verify-tool-catalog && pnpm run verify-config-catalog && pnpm run verify-persistence-catalog && pnpm run verify-doc-graphs && pnpm run verify-scoped-events && pnpm run verify-website-api && pnpm run verify-md-wrap && pnpm run verify-md-links && pnpm run verify-doc-refs && pnpm run verify-package-paths && pnpm run verify-package-readme-model-experience && pnpm run verify-mermaid && pnpm run verify-agent-note-classification && pnpm run verify-agent-note-format && pnpm run verify-type-equiv && pnpm run verify-translation-prompt && pnpm run verify-translation-pairing && pnpm run verify-doc-budgets && pnpm run verify-package-readme-limitations && pnpm run verify-website-yaml", + "doc-sync": "tsx scripts/run-gates.ts doc-sync", "hygiene": "pnpm run knip && pnpm run publint && pnpm run constraints && pnpm run verify-cordis-config && pnpm run verify-node-next-types && pnpm run verify-runtime-closure", "demo:echo": "node --expose-internals --import tsx packages/examples/stdio-demo/src/bin.ts examples/echo-agent/cordis.yml", "demo:repl": "node --expose-internals --import tsx packages/examples/stdio-demo/src/bin.ts examples/repl-agent/cordis.yml", diff --git a/scripts/run-gates.ts b/scripts/run-gates.ts index 0262c1099c..7113444700 100644 --- a/scripts/run-gates.ts +++ b/scripts/run-gates.ts @@ -19,6 +19,7 @@ type Mode = | 'ci-artifacts' | 'node-compat' | 'pre-push' + | 'doc-sync' type GateStatus = 'pending' | 'running' | 'passed' | 'failed' | 'skipped' interface Gate { @@ -88,21 +89,25 @@ function parseMode(raw: string | undefined): Mode { case 'ci-artifacts': case 'node-compat': case 'pre-push': + case 'doc-sync': return raw default: throw new Error( - `run-gates: expected mode ci-primary | ci-static | ci-lint | ci-coverage | ci-snapshot | ci-artifacts | node-compat | pre-push, got ${JSON.stringify(raw)}.`, + `run-gates: expected mode ci-primary | ci-static | ci-lint | ci-coverage | ci-snapshot | ci-artifacts | node-compat | pre-push | doc-sync, got ${JSON.stringify(raw)}.`, ) } } function defaultConcurrency(selectedMode: Mode, total: number): ConcurrencyDefault { const available = availableParallelism() - const modeLimit = selectedMode === 'pre-push' ? Math.min(4, available) : available + // Local modes cap workers: several doc gates each build a full ts.Program, + // so an uncapped default on a large host trades wall clock for memory blowups. + const localCap = selectedMode === 'pre-push' || selectedMode === 'doc-sync' + const modeLimit = localCap ? Math.min(4, available) : available return { workers: Math.min(total, modeLimit), - source: selectedMode === 'pre-push' - ? `${available} available CPU(s), pre-push cap 4` + source: localCap + ? `${available} available CPU(s), ${selectedMode} cap 4` : `${available} available CPU(s)`, } } @@ -197,6 +202,8 @@ function gatesForMode(selected: Mode): Gate[] { }), pnpmScript('module-graph', 'verify-module-graph', { label: 'module graph' }), ] + case 'doc-sync': + return docSyncLeafGates() } } @@ -331,6 +338,7 @@ function docSyncLeafGates(options: { return [ pnpmScript('doc-typecheck', 'doc-typecheck', docTypecheckOptions), pnpmScript('cordis-catalog', 'verify-cordis-catalog', { label: 'cordis catalog' }), + pnpmScript('cordis-api', 'verify-cordis-api', { label: 'cordis api' }), pnpmScript('export-jsdoc', 'verify-export-jsdoc', { label: 'export jsdoc' }), pnpmScript('tool-catalog', 'verify-tool-catalog', { label: 'tool catalog' }), pnpmScript('config-catalog', 'verify-config-catalog', { label: 'config catalog' }), From a9d518a38ea585e8baf03564c58af0b29f67a1ea Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 12:08:00 +0800 Subject: [PATCH 15/28] fix(session-title): harden async provider lifecycle --- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +- .../2026-07-21-log-backed-session-titles.md | 10 +- ...2026-07-21-log-backed-session-titles.zh.md | 10 +- docs/config-catalog.md | 4 +- docs/cordis-catalog/services.md | 6 +- docs/core-data-structures/session-title.md | 26 ++- docs/module-graph.md | 9 +- docs/persistence-catalog.md | 11 ++ .../cordis/tool-cordis/src/api-catalog.ts | 4 +- packages/session-title/README.md | 2 +- .../package.json | 1 + .../src/index.ts | 4 +- .../package.json | 1 + .../src/index.ts | 4 +- .../tests/provider.spec.ts | 2 +- .../session-title/session-title-llm/README.md | 4 +- .../session-title-llm/package.json | 1 + .../session-title-llm/src/index.ts | 58 ++++++- .../session-title-llm/tests/llm.spec.ts | 122 ++++++++++---- .../session-title/session-title/README.md | 4 +- .../session-title/session-title/src/index.ts | 131 ++++++++++++--- .../session-title/tests/provider.spec.ts | 15 +- .../tests/service-contracts.spec.ts | 158 +++++++++++++++++- scripts/gen-persistence-catalog.ts | 1 + scripts/type-equiv.manifest.json | 1 + 25 files changed, 491 insertions(+), 102 deletions(-) diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index 39abb2142d..0c3673b4c3 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: a2cef52bf88f03eef804e3d7f2bf83288ba49b2e -2026-07-21-log-backed-session-titles.zh.md: ea6ecc6e66d1afac772cdd93936c6ed49d5409a2 +2026-07-21-log-backed-session-titles.md: d536e8623652116c1194c303cd50ea44f27bb34d +2026-07-21-log-backed-session-titles.zh.md: b44f7cfaede440291445894ddb73829b1a3404ec diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index a2cef52bf8..d536e86236 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -16,21 +16,21 @@ The [`session-title` capability family](../../../../packages/session-title/READM ### Event ownership and folding -Every accepted revision is a log-only `session/title` event. Its payload contains normalized non-empty text, the exact eligible human `user/message` seqs used to derive it, and either fallback provenance or the registered provider id plus optional provider/model route. `foldSessionTitle()` selects the latest event and adds that event's seq and timestamp as `SessionTitleSnapshot`. Title events never enter `session.surface` or `deriveMessages()`. +Every accepted revision is a log-only `session/title` event. Its payload contains normalized non-empty text, the exact eligible human `user/message` seqs used to derive it, and either fallback provenance or the registered provider id plus optional provider/model route. Before an auxiliary title-model dispatch, the shared helper appends a log-only `session/title-llm-request` event containing the title-provider id, exact source seqs, route, system prompt, messages, and output-token cap; a later generation failure leaves the request auditable. Validation failures that never reach dispatch create no request event. `foldSessionTitle()` selects the latest title event and adds that event's seq and timestamp as `SessionTitleSnapshot`. Neither event enters `session.surface` or `deriveMessages()`. -The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugin event types whose owners also declaration-merge an `OutOfBandSessionEventMap` marker. An open turn receives the log-only event directly and owns its normal checkpoint. A closed log receives `turn/start → event → turn/end` under the plugin's trigger, followed by an awaited flush. Once the synthetic turn opens, target-append failure still attempts to close and flush it; detach is deferred until the sequence settles. Session titles contribute the `session-title` zero-step trigger and opt `session/title` into this seam. +The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugin event types whose owners also declaration-merge an `OutOfBandSessionEventMap` marker. An open turn receives the log-only event directly and owns its normal checkpoint. A closed log receives `turn/start → event → turn/end` under the plugin's trigger, followed by an awaited flush. Once the synthetic turn opens, target-append failure still attempts to close and flush it; detach is deferred until the sequence settles. Session titles contribute the `session-title` zero-step trigger and opt both title event types into this seam. ### Input and asynchronous timing Only text blocks from human-source `user/message` events are eligible. Empty, control-only, and non-text prompts wait for the next eligible message. The service schedules the first fallback without awaiting it from the prompt path, normalizes whitespace and control sequences, applies the configured word and UTF-8 byte limits without splitting a code point, and records the first message seq. -Automatic provider work waits until the corresponding `request/header` records the main request's exact provider/model route, then runs independently of the agent response. A completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. +Automatic provider work waits until the corresponding `request/header` records the main request's exact provider/model route, then runs independently of the agent response. A completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. The first-message provider schedules once when a fresh session first creates its fallback. An automatic failure does not reschedule on later prompts; `refresh()` is the retry path. The all-messages provider schedules after every eligible human prompt and passes all eligible messages through that revision, including seeded history. Its newer revision aborts and supersedes older pending or active work. ### Registration, routing, and failure policy -`register(provider)` validates one branded stable id, cadence, and generation function, then returns an effect disposer. A second live registration throws immediately. Provider disposal and session disposal abort pending and active work. Every session-local generation has a monotonic revision and exact registration identity; acceptance rechecks revision, registration, session liveness, and cancellation, so a provider that ignores its abort signal cannot commit stale output. +`register(provider)` validates one branded stable id, cadence, and generation function, then returns an awaitable effect disposer. A second live registration throws immediately. Provider disposal marks the registration closing, aborts its pending and active work, and waits for every call to settle before removing the registration, so replacement cannot overlap a provider that ignores cancellation. Session disposal aborts its active work. Service teardown prevents queued fallback and provider microtasks from starting, aborts active work, and drains tracked promises before unloading completes. Every session-local generation has a monotonic revision and exact registration identity; acceptance rechecks revision, registration, session liveness, service liveness, and cancellation, so stale output cannot commit. Model providers require explicit word, CJK-character, input-byte, output-token, and timeout limits. Optional `provider` and `model` overrides are a pair; without them the helper uses the exact route from the logged main request header. Selected messages are framed as JSON under one fixed language-aware instruction. Oversized input is rejected rather than truncated because truncation would make the recorded source seqs falsely imply complete use. @@ -55,6 +55,6 @@ A fork inherits seed title events unchanged, like the rest of its source log. Th - Titles survive JSONL and SQLite persistence, replay through ACP, and follow fork inheritance without a separate mutable record. - A fallback appears without an auxiliary call; deployments choose whether better titles justify model cost and whether later prompts should retitle a session. -- Late accepted titles consume event seqs and may create a balanced zero-step turn, so transcript and persistence fixtures expose the update even though model history and KV-cache identity do not change. +- Auxiliary request records and late accepted titles consume event seqs and may create balanced zero-step turns, so persistence exposes both attempted dispatches and accepted updates even though model history and KV-cache identity do not change. - One provider and monotonic per-session revisions make disposal, supersession, and stale-result rejection explicit, at the cost of leaving multi-strategy precedence to a composite provider. - Manual rename, deletion, generated-versus-user precedence, search, and list indexing remain outside the capability. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index ea6ecc6e66..b44f7cfaed 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -16,21 +16,21 @@ Status: implemented ### 事件归属与折叠 -每个已接受的修订都是纯日志 `session/title` 事件。其载荷包含规范化后的非空文本、用于派生标题的所有合格且来源为人类的 `user/message` 的准确 seq，以及回退来源信息，或已注册的提供方 id 加可选的提供方和模型路由。`foldSessionTitle()` 选择最新事件，并将该事件的 seq 和时间戳加入 `SessionTitleSnapshot`。标题事件永远不会进入 `session.surface` 或 `deriveMessages()`。 +每个已接受的修订都是纯日志 `session/title` 事件。其载荷包含规范化后的非空文本、用于派生标题的所有合格且来源为人类的 `user/message` 的准确 seq，以及回退来源信息，或已注册的提供方 id 加可选的提供方和模型路由。辅助标题模型发起调用前，共享辅助组件会追加一个纯日志 `session/title-llm-request` 事件，其载荷包含标题提供方 id、准确的源 seq、路由、系统提示词、消息和输出 token 上限；即使后续生成失败，这次请求仍可审计。未进入调用阶段的验证失败不会创建请求事件。`foldSessionTitle()` 选择最新的标题事件，并将该事件的 seq 和时间戳加入 `SessionTitleSnapshot`。这两类事件都不会进入 `session.surface` 或 `deriveMessages()`。 -核心会话包通过 `ctx.sessions.appendOutOfBand()` 暴露这一接口，但只允许所属插件同时通过声明合并向 `OutOfBandSessionEventMap` 添加标记的插件事件类型使用。开放轮次会直接接收纯日志事件，并负责其常规检查点。已关闭的日志会在该插件的触发器下接收 `turn/start → event → turn/end`，随后等待刷写完成。合成轮次一旦开启，即使目标追加失败，系统仍会尝试将其关闭并刷写；整个序列完成前会延迟 detach。会话标题提供 `session-title` 零步骤触发器，并让 `session/title` 使用这一服务边界。 +核心会话包通过 `ctx.sessions.appendOutOfBand()` 暴露这一接口，但只允许所属插件同时通过声明合并向 `OutOfBandSessionEventMap` 添加标记的插件事件类型使用。开放轮次会直接接收纯日志事件，并负责其常规检查点。已关闭的日志会在该插件的触发器下接收 `turn/start → event → turn/end`，随后等待刷写完成。合成轮次一旦开启，即使目标追加失败，系统仍会尝试将其关闭并刷写；整个序列完成前会延迟 detach。会话标题提供 `session-title` 零步骤触发器，并让这两类标题事件都使用这一服务边界。 ### 输入与异步时序 只有人类来源的 `user/message` 事件中的文本块才符合条件。空提示词、仅含控制字符的提示词和非文本提示词会等待下一条合格消息。服务从提示词路径调度首个回退标题而不等待其完成，随后规范化空白和控制序列，应用已配置的单词数和 UTF-8 字节限制且不拆分代码点，并记录第一条消息的 seq。 -自动提供方工作会等待相应的 `request/header` 记录主请求的准确提供方和模型路由，然后独立于 agent 响应运行。完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。 +自动提供方工作会等待相应的 `request/header` 记录主请求的准确提供方和模型路由，然后独立于 agent 响应运行。完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。 首消息提供方仅在新会话首次创建回退标题时调度一次。自动执行失败后，后续提示词不会重新调度；`refresh()` 是重试路径。全部消息提供方会在每条合格且由人类发出的提示词后调度，并传入截至该修订的所有合格消息，包括预置历史记录。较新的修订会中止并取代更早的待执行或活跃工作。 ### 注册、路由与失败策略 -`register(provider)` 会验证一个带品牌类型的稳定 id、执行时机和生成函数，然后返回 effect 资源释放函数。第二个活跃注册会立即抛出错误。提供方和会话执行 dispose（资源释放）时，都会中止待执行和活跃工作。每项会话本地生成都有单调递增的修订号和对应的注册身份；接受结果时会重新检查修订号、注册、会话活跃状态和取消状态，因此即使提供方忽略中止信号，也无法提交陈旧输出。 +`register(provider)` 会验证一个带品牌类型的稳定 id、执行时机和生成函数，然后返回一个可等待完成的 effect 资源释放函数。第二个活跃注册会立即抛出错误。提供方执行资源释放时，会将注册标记为正在关闭，中止其待执行和活跃工作，并等待所有调用结束后才移除注册，因此替代提供方不会与忽略取消的旧提供方重叠运行。会话资源释放会中止其活跃工作。服务卸载时，会阻止排队中的回退和提供方微任务启动，中止活跃工作，并且卸载完成前会等待所有已跟踪的 promise 结算。每项会话本地生成都有单调递增的修订号和对应的注册身份；接受结果时会重新检查修订号、注册、会话活跃状态、服务活跃状态和取消状态，因此陈旧输出无法提交。 模型提供方必须显式配置单词数、CJK 字符数、输入字节数、输出 token 数和超时限制。可选的 `provider` 和 `model` 覆盖项必须成对提供；两者均未提供时，辅助组件会使用主请求已记录请求头中的准确路由。系统在一条固定且能区分语言的指令下，将选中的消息封装为 JSON。过大输入会被拒绝而不是截断，因为截断会让记录的源消息 seq 错误地表示这些消息已被完整使用。 @@ -55,6 +55,6 @@ Status: implemented - 标题可以在 JSONL 和 SQLite 持久化中存续，通过 ACP 回放，并遵循 fork 继承语义，而无需单独的可变记录。 - 回退标题无需辅助调用即可出现；部署方可以自行决定更优标题是否值得模型成本，以及后续提示词是否需要重新生成会话标题。 -- 延迟接受的标题会占用事件 seq，并可能创建平衡的零步骤轮次，因此 transcript（文本记录）和持久化 fixture（测试前置数据）会呈现该更新，尽管模型历史和 KV 缓存标识保持不变。 +- 辅助请求记录和延迟接受的标题会占用事件 seq，并可能创建平衡的零步骤轮次，因此持久化会同时呈现尝试发起的调用与已接受的更新，尽管模型历史和 KV 缓存标识保持不变。 - 单个提供方和每会话单调递增的修订号让释放、取代和陈旧结果拒绝行为明确可见，但多策略优先级必须由复合提供方负责。 - 手动重命名、删除、生成标题与用户标题的优先级、搜索和列表索引不在此功能范围内。 diff --git a/docs/config-catalog.md b/docs/config-catalog.md index c6a3889cbe..10549c12ee 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -881,7 +881,7 @@ Source: [`packages/session-title/session-title/src/index.ts:63`](../packages/ses ## `@deepseek-ai/dsh-session-title-all-messages-llm` -Requires: `sessionTitle` · `llm` +Requires: `sessionTitle` · `llm` · `sessions` ```ts config-catalog /** Required LLM policy; this plugin adds no defaults. */ @@ -894,7 +894,7 @@ Source: [`packages/session-title/session-title-all-messages-llm/src/index.ts:15` ## `@deepseek-ai/dsh-session-title-first-message-llm` -Requires: `sessionTitle` · `llm` +Requires: `sessionTitle` · `llm` · `sessions` ```ts config-catalog /** Required LLM policy; this plugin adds no defaults. */ diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index f98218f7d3..60f10133e1 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -1016,14 +1016,14 @@ async refresh(session: Session, signal?: AbortSignal): Promise void +register(provider: SessionTitleProvider): () => Promise ``` Types: [Session](../core-data-structures/session.md) · [SessionTitleProvider](../core-data-structures/session-title.md) · [SessionTitleSnapshot](../core-data-structures/session-title.md) -Source: [`packages/session-title/session-title/src/index.ts:233`](../../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:235`](../../packages/session-title/session-title/src/index.ts) ## `ctx.skills` — `SkillService` diff --git a/docs/core-data-structures/session-title.md b/docs/core-data-structures/session-title.md index 3e118368d3..39e2b00ae5 100644 --- a/docs/core-data-structures/session-title.md +++ b/docs/core-data-structures/session-title.md @@ -1,8 +1,8 @@ # Session Titles -Durable latest-wins title state and the optional asynchronous provider vocabulary owned by [`@deepseek-ai/dsh-session-title`](../../packages/session-title/session-title). The package README owns timing, fallback, failure, and fork behavior; the generated [persistence catalog](../persistence-catalog.md) owns the complete `session/title` event declaration. +Durable latest-wins title state and the optional asynchronous provider vocabulary owned by [`@deepseek-ai/dsh-session-title`](../../packages/session-title/session-title). The shared LLM helper owns the exact auxiliary request record. Package READMEs own timing, fallback, failure, and fork behavior; the generated [persistence catalog](../persistence-catalog.md) owns the complete event declarations. -Source: [`packages/session-title/session-title/src/index.ts`](../../packages/session-title/session-title/src/index.ts) +Sources: [`packages/session-title/session-title/src/index.ts`](../../packages/session-title/session-title/src/index.ts), [`packages/session-title/session-title-llm/src/index.ts`](../../packages/session-title/session-title-llm/src/index.ts) ## Durable title state @@ -56,6 +56,28 @@ interface SessionTitleSnapshot extends SessionTitleEventData { } ``` +## Auxiliary request record + +The shared LLM helper records each validated, dispatchable title request before calling the model. The payload reproduces the model-visible system and message input, routing, output limit, provider ownership, and source-message attribution even when generation later fails. + +```ts type-equiv +/** Exact model-visible request recorded before one auxiliary title dispatch. */ +interface SessionTitleLlmRequestEventData { + /** Registered title-provider identity responsible for the request. */ + readonly titleProvider: SessionTitleProviderId + /** Exact human `user/message` seqs represented in `messages`. */ + readonly messageSeqs: number[] + /** Exact auxiliary LLM route. */ + readonly route: SessionTitleModelProvenance + /** Exact auxiliary system prompt. */ + readonly system: string + /** Exact auxiliary message list. */ + readonly messages: Message[] + /** Exact auxiliary output-token cap. */ + readonly maxTokens: number +} +``` + ## Provider input and output The service snapshots eligible messages through one revision. A provider returns only seqs from that request; service-owned acceptance verifies ordering, normalizes the title, enforces the byte limit, and appends provenance. diff --git a/docs/module-graph.md b/docs/module-graph.md index 953fe46018..1ec486ba17 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -251,6 +251,7 @@ flowchart TD pkg_session_query --> pkg_session_persistence pkg_session_query --> pkg_session_title pkg_session_title_llm --> pkg_llm + pkg_session_title_llm --> pkg_session pkg_session_title_llm --> pkg_session_title pkg_session_title_llm --> pkg_timeout pkg_invariants --> pkg_agent @@ -298,9 +299,11 @@ flowchart TD pkg_fs_sandbox --> pkg_sandbox pkg_fs_sandbox --> pkg_sandbox_policy pkg_session_title_all_messages_llm --> pkg_llm + pkg_session_title_all_messages_llm --> pkg_session pkg_session_title_all_messages_llm --> pkg_session_title pkg_session_title_all_messages_llm --> pkg_session_title_llm pkg_session_title_first_message_llm --> pkg_llm + pkg_session_title_first_message_llm --> pkg_session pkg_session_title_first_message_llm --> pkg_session_title pkg_session_title_first_message_llm --> pkg_session_title_llm pkg_permission --> pkg_bash @@ -585,7 +588,7 @@ 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) | | [`session-query`](../packages/session-query/session-query) | `session-query` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title) | -| [`session-title-llm`](../packages/session-title/session-title-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session-title`](../packages/session-title/session-title), [`timeout`](../packages/util/timeout) | +| [`session-title-llm`](../packages/session-title/session-title-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-title`](../packages/session-title/session-title), [`timeout`](../packages/util/timeout) | | [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session) | | [`commands`](../packages/ui/commands) | `ui` | [`agent`](../packages/core/agent), [`scope`](../packages/core/scope) | | [`user-approval`](../packages/ui/user-approval) | `ui` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | @@ -598,8 +601,8 @@ flowchart TD | [`goal-session`](../packages/goal/goal-session) | `goal` | [`agent`](../packages/core/agent), [`goal`](../packages/goal/goal), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | | [`bash-sandbox`](../packages/bash/bash-sandbox) | `bash` | [`bash`](../packages/bash/bash), [`bash-local`](../packages/bash/bash-local), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy) | | [`fs-sandbox`](../packages/fs/fs-sandbox) | `fs` | [`fs`](../packages/fs/fs), [`fs-local`](../packages/fs/fs-local), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy) | -| [`session-title-all-messages-llm`](../packages/session-title/session-title-all-messages-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session-title`](../packages/session-title/session-title), [`session-title-llm`](../packages/session-title/session-title-llm) | -| [`session-title-first-message-llm`](../packages/session-title/session-title-first-message-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session-title`](../packages/session-title/session-title), [`session-title-llm`](../packages/session-title/session-title-llm) | +| [`session-title-all-messages-llm`](../packages/session-title/session-title-all-messages-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-title`](../packages/session-title/session-title), [`session-title-llm`](../packages/session-title/session-title-llm) | +| [`session-title-first-message-llm`](../packages/session-title/session-title-first-message-llm) | `session-title` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-title`](../packages/session-title/session-title), [`session-title-llm`](../packages/session-title/session-title-llm) | | [`permission`](../packages/ui/permission) | `ui` | [`bash`](../packages/bash/bash), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session`](../packages/core/session), [`user-approval`](../packages/ui/user-approval) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-goal`](../packages/goal/tool-goal) | `goal` | [`agent`](../packages/core/agent), [`goal`](../packages/goal/goal), [`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 10020c5d78..7ba4a3be2b 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -392,6 +392,17 @@ Types: [SessionTitleEventData](core-data-structures/session-title.md) Source: [`packages/session-title/session-title/src/index.ts:89`](../packages/session-title/session-title/src/index.ts) +#### `session/title-llm-request` — log-only + +```ts persistence-catalog +/** Log-only pre-dispatch record of one session-title model request. */ +'session/title-llm-request': SessionTitleLlmRequestEventData +``` + +Types: [SessionTitleLlmRequestEventData](core-data-structures/session-title.md) + +Source: [`packages/session-title/session-title-llm/src/index.ts:40`](../packages/session-title/session-title-llm/src/index.ts) + ### `steering/*` #### `steering/message` — surface diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index a223da88ba..c02c5777b9 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -484,8 +484,8 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ jsDoc: '/**\n * Explicitly retry the registered provider, or materialize the built-in\n * fallback when no provider is registered.\n * @param session - exact live session to refresh.\n * @param signal - optional caller cancellation.\n * @returns latest accepted title, or `undefined` when no eligible text exists.\n */', }, { - signature: 'register(provider: SessionTitleProvider): () => void', - jsDoc: '/**\n * Register the sole optional title provider. Disposal aborts its pending and\n * active work before another provider may register.\n * @param provider - provider identity, cadence, and generation function.\n * @returns exact Cordis effect disposer for HMR-safe unregistration.\n */', + signature: 'register(provider: SessionTitleProvider): () => Promise', + jsDoc: '/**\n * Register the sole optional title provider. Disposal aborts its pending and\n * active work before another provider may register.\n * @param provider - provider identity, cadence, and generation function.\n * @returns exact Cordis effect disposer, which settles after active calls quiesce.\n */', }, ], }, diff --git a/packages/session-title/README.md b/packages/session-title/README.md index d17acc2d60..8c26cf1785 100644 --- a/packages/session-title/README.md +++ b/packages/session-title/README.md @@ -5,7 +5,7 @@ Durable session-title state, one optional asynchronous provider seam, and two op | Package | Role | ctx key | |---|---|---| | [`session-title/`](session-title/README.md) | Log fold, deterministic fallback, provider registry, and refresh API | `ctx.sessionTitle` | -| [`session-title-llm/`](session-title-llm/README.md) | Shared route, prompt, timeout, stream, and validation helper | — | +| [`session-title-llm/`](session-title-llm/README.md) | Shared route, request logging, prompt, timeout, stream, and validation helper | — | | [`session-title-first-message-llm/`](session-title-first-message-llm/README.md) | Optional provider using the first eligible human message | registers on `ctx.sessionTitle` | | [`session-title-all-messages-llm/`](session-title-all-messages-llm/README.md) | Optional provider using every eligible human message | registers on `ctx.sessionTitle` | diff --git a/packages/session-title/session-title-all-messages-llm/package.json b/packages/session-title/session-title-all-messages-llm/package.json index 0d87033b38..1d0b941e0b 100644 --- a/packages/session-title/session-title-all-messages-llm/package.json +++ b/packages/session-title/session-title-all-messages-llm/package.json @@ -17,6 +17,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-session-title": "^0.0.1", "@deepseek-ai/dsh-session-title-llm": "^0.0.1", "cordis": "^4.0.0-rc.7" diff --git a/packages/session-title/session-title-all-messages-llm/src/index.ts b/packages/session-title/session-title-all-messages-llm/src/index.ts index 3e174bf8c3..96bd424434 100644 --- a/packages/session-title/session-title-all-messages-llm/src/index.ts +++ b/packages/session-title/session-title-all-messages-llm/src/index.ts @@ -9,7 +9,7 @@ import { import type { SessionTitleLlmConfig } from '@deepseek-ai/dsh-session-title-llm' export const name = 'session-title-all-messages-llm' -export const inject = ['sessionTitle', 'llm'] +export const inject = ['sessionTitle', 'llm', 'sessions'] /** Required LLM policy; this plugin adds no defaults. */ export type Config = SessionTitleLlmConfig @@ -28,7 +28,7 @@ export const Config: z = z.object({ /** * Register the all-user-messages model provider. - * @param ctx - context exposing session-title and LLM services. + * @param ctx - context exposing session-title, LLM, and session services. * @param config - required route, target, byte, token, and timeout policy. */ export function apply(ctx: Context, config: Config): void { diff --git a/packages/session-title/session-title-first-message-llm/package.json b/packages/session-title/session-title-first-message-llm/package.json index 7d3c4a70fa..eb3c23289b 100644 --- a/packages/session-title/session-title-first-message-llm/package.json +++ b/packages/session-title/session-title-first-message-llm/package.json @@ -17,6 +17,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-session-title": "^0.0.1", "@deepseek-ai/dsh-session-title-llm": "^0.0.1", "cordis": "^4.0.0-rc.7" diff --git a/packages/session-title/session-title-first-message-llm/src/index.ts b/packages/session-title/session-title-first-message-llm/src/index.ts index c38c3aa291..51cc8eab44 100644 --- a/packages/session-title/session-title-first-message-llm/src/index.ts +++ b/packages/session-title/session-title-first-message-llm/src/index.ts @@ -9,7 +9,7 @@ import { import type { SessionTitleLlmConfig } from '@deepseek-ai/dsh-session-title-llm' export const name = 'session-title-first-message-llm' -export const inject = ['sessionTitle', 'llm'] +export const inject = ['sessionTitle', 'llm', 'sessions'] /** Required LLM policy; this plugin adds no defaults. */ export type Config = SessionTitleLlmConfig @@ -28,7 +28,7 @@ export const Config: z = z.object({ /** * Register the first-message model provider. - * @param ctx - context exposing session-title and LLM services. + * @param ctx - context exposing session-title, LLM, and session services. * @param config - required route, target, byte, token, and timeout policy. */ export function apply(ctx: Context, config: Config): void { diff --git a/packages/session-title/session-title-first-message-llm/tests/provider.spec.ts b/packages/session-title/session-title-first-message-llm/tests/provider.spec.ts index c42b24ad13..ed749bd3e5 100644 --- a/packages/session-title/session-title-first-message-llm/tests/provider.spec.ts +++ b/packages/session-title/session-title-first-message-llm/tests/provider.spec.ts @@ -40,7 +40,7 @@ describe('first-message LLM title provider', () => { let registered: SessionTitleProvider | undefined vi.spyOn(ctx.sessionTitle, 'register').mockImplementation((provider) => { registered = provider - return () => undefined + return async () => undefined }) providerPlugin.apply(ctx, LLM_CONFIG) diff --git a/packages/session-title/session-title-llm/README.md b/packages/session-title/session-title-llm/README.md index 441d2f9215..85ca837a75 100644 --- a/packages/session-title/session-title-llm/README.md +++ b/packages/session-title/session-title-llm/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-session-title-llm -Shared implementation policy for model-backed session-title providers. It resolves the auxiliary route, frames exact selected human messages as JSON, applies a language-aware title instruction, enforces input and output budgets, composes timeout and caller cancellation, assembles the stream, and returns normalized text with exact source seqs and model provenance. +Shared implementation policy for model-backed session-title providers. It resolves the auxiliary route, frames exact selected human messages as JSON, records the exact dispatchable request, applies a language-aware title instruction, enforces input and output budgets, composes timeout and caller cancellation, assembles the stream, and returns normalized text with exact source seqs and model provenance. This package is a library, not a Cordis plugin. The provider plugins call `registerSessionTitleLlmProvider()` with their cadence and message selector; it validates shared config and delegates each revision to `generateSessionTitleWithLlm()`, so registration, route, prompt, cancellation, and validation behavior cannot drift between them. @@ -8,6 +8,8 @@ This package is a library, not a Cordis plugin. The provider plugins call `regis `provider` and `model` overrides are optional but must be supplied together as non-empty strings. Without that pair, the helper uses the exact provider/model route captured from the current session's logged `request/header`; an explicit refresh before any route exists therefore needs overrides. Input exceeding `maxInputBytes` rejects instead of being truncated. Timeout, cancellation, malformed or empty output, tool calls, and non-stop finish reasons also reject; the session-title service decides whether that rejection is an automatic warning or an explicit caller failure. +After route and input validation, the helper appends a log-only `session/title-llm-request` event before model dispatch. It contains the title-provider id, exact source seqs, route, system prompt, message list, and output-token cap used by the call. A later model failure leaves that request record intact; validation failures that never become dispatchable requests do not create one. The event stays outside derived model history. + ## Configuration Every field is required except the paired route override; there are no library defaults. diff --git a/packages/session-title/session-title-llm/package.json b/packages/session-title/session-title-llm/package.json index 1d81378a00..28be809b48 100644 --- a/packages/session-title/session-title-llm/package.json +++ b/packages/session-title/session-title-llm/package.json @@ -23,6 +23,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-session-title": "^0.0.1", "@deepseek-ai/dsh-timeout": "^0.0.1", "cordis": "^4.0.0-rc.7" diff --git a/packages/session-title/session-title-llm/src/index.ts b/packages/session-title/session-title-llm/src/index.ts index f09732555a..c7ffc1eb1c 100644 --- a/packages/session-title/session-title-llm/src/index.ts +++ b/packages/session-title/session-title-llm/src/index.ts @@ -7,7 +7,7 @@ import type { Context } from 'cordis' import z from 'schemastery' import { BlockAssembler, deepFreeze } from '@deepseek-ai/dsh-llm' -import type { FinishReason, GenerateOptions } from '@deepseek-ai/dsh-llm' +import type { FinishReason, GenerateOptions, Message } from '@deepseek-ai/dsh-llm' import { deadline, MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout' import { normalizeSessionTitle, SessionTitleProviderId } from '@deepseek-ai/dsh-session-title' import type { @@ -18,6 +18,33 @@ import type { SessionTitleUserMessage, } from '@deepseek-ai/dsh-session-title' +/** Exact model-visible request recorded before one auxiliary title dispatch. */ +export interface SessionTitleLlmRequestEventData { + /** Registered title-provider identity responsible for the request. */ + readonly titleProvider: SessionTitleProviderId + /** Exact human `user/message` seqs represented in `messages`. */ + readonly messageSeqs: number[] + /** Exact auxiliary LLM route. */ + readonly route: SessionTitleModelProvenance + /** Exact auxiliary system prompt. */ + readonly system: string + /** Exact auxiliary message list. */ + readonly messages: Message[] + /** Exact auxiliary output-token cap. */ + readonly maxTokens: number +} + +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + /** Log-only pre-dispatch record of one session-title model request. */ + 'session/title-llm-request': SessionTitleLlmRequestEventData + } + + interface OutOfBandSessionEventMap { + 'session/title-llm-request': true + } +} + /** Capability-owned timeout reason code for auxiliary title requests. */ export const SESSION_TITLE_TIMEOUT_CODE = 'SESSION_TITLE_TIMEOUT' @@ -132,11 +159,12 @@ export function registerSessionTitleLlmProvider( selectMessages: SessionTitleLlmMessageSelector, ): void { const resolved = resolveSessionTitleLlmConfig(config) + const titleProvider = SessionTitleProviderId(id) ctx.sessionTitle.register({ - id: SessionTitleProviderId(id), + id: titleProvider, automatic, async generate(request) { - return generateSessionTitleWithLlm(ctx, resolved, request, selectMessages(request.messages)) + return generateSessionTitleWithLlm(ctx, resolved, request, selectMessages(request.messages), titleProvider) }, }) } @@ -196,6 +224,7 @@ function finishError(finish: FinishReason): Error | undefined { * @param config - validated model-provider policy. * @param request - service-owned session, route, message snapshot, and cancellation. * @param selectedMessages - exact provider-selected subset to frame and attribute. + * @param titleProvider - registered title-provider identity recorded with the request. * @returns normalized non-empty title, exact source seqs, and used model route. */ export async function generateSessionTitleWithLlm( @@ -203,6 +232,7 @@ export async function generateSessionTitleWithLlm( config: ResolvedSessionTitleLlmConfig, request: SessionTitleProviderRequest, selectedMessages: readonly SessionTitleUserMessage[], + titleProvider: SessionTitleProviderId, ): Promise { request.signal.throwIfAborted() if (selectedMessages.length === 0) { @@ -213,16 +243,30 @@ export async function generateSessionTitleWithLlm( throw new Error(`session-title-llm: input is ${inputBytes} bytes, exceeding maxInputBytes ${config.maxInputBytes}`) } const route = resolveRoute(config, request) + const messages: Message[] = [{ + role: 'user', + content: [{ type: 'text', text: frameMessages(selectedMessages) }], + }] + const system = systemPrompt(config) using callDeadline = deadline(request.signal, config.timeoutMs, SESSION_TITLE_TIMEOUT_CODE) - const options: GenerateOptions = { + const options: GenerateOptions = deepFreeze({ provider: route.provider, model: route.model, - messages: [{ role: 'user', content: [{ type: 'text', text: frameMessages(selectedMessages) }] }], - system: systemPrompt(config), + messages, + system, maxTokens: config.maxOutputTokens, sessionId: request.session.id, signal: callDeadline.signal, - } + }) + await ctx.sessions.appendOutOfBand(request.session, 'session/title-llm-request', { + titleProvider, + messageSeqs: selectedMessages.map(message => message.seq), + route, + system, + messages, + maxTokens: config.maxOutputTokens, + }, { kind: 'session-title' }) + callDeadline.signal.throwIfAborted() const assembler = new BlockAssembler() for await (const chunk of ctx.llm.stream(options)) assembler.push(chunk) const terminalError = finishError(assembler.finish) diff --git a/packages/session-title/session-title-llm/tests/llm.spec.ts b/packages/session-title/session-title-llm/tests/llm.spec.ts index f5195ede79..2c1a701356 100644 --- a/packages/session-title/session-title-llm/tests/llm.spec.ts +++ b/packages/session-title/session-title-llm/tests/llm.spec.ts @@ -2,7 +2,8 @@ import { Context } from 'cordis' import { describe, expect, it, vi } from 'vitest' import LlmService, { CallId, LlmAdapter } from '@deepseek-ai/dsh-llm' import type { FinishReason, GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' -import { Session, SessionId } from '@deepseek-ai/dsh-session' +import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' +import { SessionTitleProviderId } from '@deepseek-ai/dsh-session-title' import type { SessionTitleProviderRequest } from '@deepseek-ai/dsh-session-title' import { MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout' import { @@ -15,11 +16,15 @@ import type { SessionTitleLlmConfig } from '@deepseek-ai/dsh-session-title-llm' class RecordingAdapter extends LlmAdapter { readonly requests: GenerateOptions[] = [] - constructor(private readonly script: readonly StreamChunk[]) { + constructor( + private readonly script: readonly StreamChunk[], + private readonly onDispatch?: () => void, + ) { super() } override async * stream(options: GenerateOptions): AsyncIterable { + this.onDispatch?.() this.requests.push(options) yield * this.script } @@ -57,24 +62,38 @@ const CONFIG = { timeoutMs: 1_000, } as const -function request(signal = new AbortController().signal): SessionTitleProviderRequest { +const TITLE_PROVIDER = SessionTitleProviderId('test-title-provider') +let nextSession = 0 + +function request(ctx: Context, signal = new AbortController().signal): SessionTitleProviderRequest { + const session = ctx.sessions.create(SessionId(`title-call-${++nextSession}`)) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const first = session.append('user/message', { + content: [{ type: 'text', text: 'first prompt' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + const second = session.append('user/message', { + content: [{ type: 'text', text: '第二个问题' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) return { - session: new Session(SessionId('title-call')), + session, messages: [ - { seq: 2, text: 'first prompt' }, - { seq: 9, text: '第二个问题' }, + { seq: first.seq, text: 'first prompt' }, + { seq: second.seq, text: '第二个问题' }, ], route: { provider: 'current-route', model: 'current-model' }, signal, } } -function requestWithoutRoute(signal = new AbortController().signal): SessionTitleProviderRequest { - return { - session: new Session(SessionId('title-call-no-route')), - messages: [{ seq: 2, text: 'first prompt' }], - signal, - } +function requestWithoutRoute(ctx: Context, signal = new AbortController().signal): SessionTitleProviderRequest { + const routed = request(ctx, signal) + return { session: routed.session, messages: routed.messages, signal } } async function withScript(script: readonly StreamChunk[]): Promise<{ @@ -82,6 +101,7 @@ async function withScript(script: readonly StreamChunk[]): Promise<{ adapter: RecordingAdapter }> { const ctx = new Context() + await ctx.plugin(SessionStore) await ctx.plugin(LlmService) const adapter = new RecordingAdapter(script) ctx.llm.registerAdapter(['current-route'], adapter) @@ -91,39 +111,59 @@ async function withScript(script: readonly StreamChunk[]): Promise<{ describe('generateSessionTitleWithLlm', () => { it('uses the exact logged route, language targets, full framed input, and output token cap', async () => { const ctx = new Context() + await ctx.plugin(SessionStore) await ctx.plugin(LlmService) - const adapter = new RecordingAdapter(SCRIPT) + const providerRequest = request(ctx) + let requestWasLoggedAtDispatch = false + const adapter = new RecordingAdapter(SCRIPT, () => { + requestWasLoggedAtDispatch = providerRequest.session.events + .some(event => event.type === 'session/title-llm-request') + }) ctx.llm.registerAdapter(['current-route'], adapter) const result = await generateSessionTitleWithLlm( ctx, resolveSessionTitleLlmConfig(CONFIG), - request(), - request().messages, + providerRequest, + providerRequest.messages, + TITLE_PROVIDER, ) expect(result).toEqual({ title: '五个字标题', - messageSeqs: [2, 9], + messageSeqs: providerRequest.messages.map(message => message.seq), model: { provider: 'current-route', model: 'current-model' }, }) + expect(requestWasLoggedAtDispatch).toBe(true) expect(adapter.requests).toHaveLength(1) const options = adapter.requests[0]! + expect(Object.isFrozen(options)).toBe(true) + expect(Object.isFrozen(options.messages)).toBe(true) expect(options).toMatchObject({ provider: 'current-route', model: 'current-model', maxTokens: 32, - sessionId: SessionId('title-call'), + sessionId: providerRequest.session.id, }) expect(options.system).toContain('5 words') expect(options.system).toContain('10 CJK characters') const prompt = options.messages[0]?.content[0] expect(prompt?.type === 'text' && prompt.text).toContain('first prompt') expect(prompt?.type === 'text' && prompt.text).toContain('第二个问题') + expect(providerRequest.session.events.findLast(event => event.type === 'session/title-llm-request')?.data) + .toEqual({ + titleProvider: TITLE_PROVIDER, + messageSeqs: providerRequest.messages.map(message => message.seq), + route: { provider: 'current-route', model: 'current-model' }, + system: options.system, + messages: options.messages, + maxTokens: 32, + }) }) it('uses paired explicit overrides and rejects an oversized input without calling the model', async () => { const ctx = new Context() + await ctx.plugin(SessionStore) await ctx.plugin(LlmService) const adapter = new RecordingAdapter(SCRIPT) ctx.llm.registerAdapter(['explicit-route'], adapter) @@ -134,12 +174,15 @@ describe('generateSessionTitleWithLlm', () => { maxInputBytes: 4, }) - await expect(generateSessionTitleWithLlm(ctx, config, request(), request().messages)) + const oversized = request(ctx) + await expect(generateSessionTitleWithLlm(ctx, config, oversized, oversized.messages, TITLE_PROVIDER)) .rejects.toThrow(/input.*bytes.*maxInputBytes/i) expect(adapter.requests).toEqual([]) + expect(oversized.session.events.some(event => event.type === 'session/title-llm-request')).toBe(false) const withinLimit = resolveSessionTitleLlmConfig({ ...config, maxInputBytes: 1_000 }) - await generateSessionTitleWithLlm(ctx, withinLimit, request(), [request().messages[0]!]) + const within = request(ctx) + await generateSessionTitleWithLlm(ctx, withinLimit, within, [within.messages[0]!], TITLE_PROVIDER) expect(adapter.requests[0]).toMatchObject({ provider: 'explicit-route', model: 'explicit-model', @@ -176,13 +219,16 @@ describe('generateSessionTitleWithLlm', () => { it('rejects an absent route, empty selection, and pre-aborted caller before model dispatch', async () => { const { ctx, adapter } = await withScript(SCRIPT) const config = resolveSessionTitleLlmConfig(CONFIG) - await expect(generateSessionTitleWithLlm(ctx, config, requestWithoutRoute(), requestWithoutRoute().messages)) + const unrouted = requestWithoutRoute(ctx) + await expect(generateSessionTitleWithLlm(ctx, config, unrouted, unrouted.messages, TITLE_PROVIDER)) .rejects.toThrow(/no logged request route/) - await expect(generateSessionTitleWithLlm(ctx, config, request(), [])) + const empty = request(ctx) + await expect(generateSessionTitleWithLlm(ctx, config, empty, [], TITLE_PROVIDER)) .rejects.toThrow(/at least one source message/) const controller = new AbortController() controller.abort(new Error('caller stopped')) - await expect(generateSessionTitleWithLlm(ctx, config, request(controller.signal), request().messages)) + const aborted = request(ctx, controller.signal) + await expect(generateSessionTitleWithLlm(ctx, config, aborted, aborted.messages, TITLE_PROVIDER)) .rejects.toThrow('caller stopped') expect(adapter.requests).toEqual([]) }) @@ -192,12 +238,15 @@ describe('generateSessionTitleWithLlm', () => { [{ kind: 'aborted', failure: { message: 'provider aborted', code: 'ABORTED' } }, 'provider aborted', 'ABORTED'], ] satisfies Array<[FinishReason, string, string]>)('preserves %s terminal failure details', async (reason, message, code) => { const { ctx } = await withScript([{ type: 'finish', reason }]) + const providerRequest = request(ctx) await expect(generateSessionTitleWithLlm( ctx, resolveSessionTitleLlmConfig(CONFIG), - request(), - request().messages, + providerRequest, + providerRequest.messages, + TITLE_PROVIDER, )).rejects.toMatchObject({ message, code }) + expect(providerRequest.session.events.some(event => event.type === 'session/title-llm-request')).toBe(true) }) it.each([ @@ -206,11 +255,13 @@ describe('generateSessionTitleWithLlm', () => { [{ kind: 'future-finish' } as never, /unsupported finish reason "future-finish"/], ] satisfies Array<[FinishReason, RegExp]>)('rejects the terminal finish reason %s', async (reason, error) => { const { ctx } = await withScript([{ type: 'finish', reason }]) + const providerRequest = request(ctx) await expect(generateSessionTitleWithLlm( ctx, resolveSessionTitleLlmConfig(CONFIG), - request(), - request().messages, + providerRequest, + providerRequest.messages, + TITLE_PROVIDER, )).rejects.toThrow(error) }) @@ -221,11 +272,13 @@ describe('generateSessionTitleWithLlm', () => { { type: 'finish', reason: { kind: 'stop' } }, ] const tool = await withScript(toolScript) + const toolRequest = request(tool.ctx) await expect(generateSessionTitleWithLlm( tool.ctx, resolveSessionTitleLlmConfig(CONFIG), - request(), - request().messages, + toolRequest, + toolRequest.messages, + TITLE_PROVIDER, )).rejects.toThrow(/output must contain text only/) const reasoning = await withScript([ @@ -233,11 +286,13 @@ describe('generateSessionTitleWithLlm', () => { { type: 'reasoning-delta', index: 0, text: 'no final title' }, { type: 'finish', reason: { kind: 'stop' } }, ]) + const reasoningRequest = request(reasoning.ctx) await expect(generateSessionTitleWithLlm( reasoning.ctx, resolveSessionTitleLlmConfig(CONFIG), - request(), - request().messages, + reasoningRequest, + reasoningRequest.messages, + TITLE_PROVIDER, )).rejects.toThrow(/produced no text/) }) @@ -245,13 +300,16 @@ describe('generateSessionTitleWithLlm', () => { vi.useFakeTimers() try { const ctx = new Context() + await ctx.plugin(SessionStore) await ctx.plugin(LlmService) ctx.llm.registerAdapter(['current-route'], new CooperativeAdapter()) + const providerRequest = request(ctx) const pending = generateSessionTitleWithLlm( ctx, resolveSessionTitleLlmConfig({ ...CONFIG, timeoutMs: 10 }), - request(), - request().messages, + providerRequest, + providerRequest.messages, + TITLE_PROVIDER, ) const rejected = expect(pending).rejects.toMatchObject({ code: SESSION_TITLE_TIMEOUT_CODE, diff --git a/packages/session-title/session-title/README.md b/packages/session-title/session-title/README.md index 96607bb1e9..ba3c898ca9 100644 --- a/packages/session-title/session-title/README.md +++ b/packages/session-title/session-title/README.md @@ -8,9 +8,9 @@ Only text blocks from human `user/message` events are eligible. The first eligib - `get(session)` folds the latest accepted title from a live or replayed log. - `refresh(session, signal?)` materializes the fallback when needed, then explicitly runs the registered provider over the current eligible messages. Provider errors and caller cancellation reject. -- `register(provider)` installs the sole optional provider and returns its Cordis effect disposer. A second registration throws immediately; disposal aborts pending and active calls before another provider can register. +- `register(provider)` installs the sole optional provider and returns its awaitable Cordis effect disposer. A second registration throws immediately; disposal aborts pending and active calls, waits for their settlement, and only then permits another provider to register. -Automatic work never delays the main agent response. A provider starts after the matching `request/header` records the main request's exact route; its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. +Automatic work never delays the main agent response. A provider starts after the matching `request/header` records the main request's exact route; its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits, so only the newest call may reach the provider. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. Forks inherit title events in their seed unchanged. The first-message cadence does not automatically retitle a child; the all-messages cadence may append a new revision after the child receives a later human prompt. diff --git a/packages/session-title/session-title/src/index.ts b/packages/session-title/session-title/src/index.ts index bae2f4df94..757dea356d 100644 --- a/packages/session-title/session-title/src/index.ts +++ b/packages/session-title/session-title/src/index.ts @@ -3,7 +3,7 @@ * @module @deepseek-ai/dsh-session-title */ -import { Context, Service } from 'cordis' +import { Context, FiberState, Service, type Fiber } from 'cordis' import z from 'schemastery' import type { Branded } from '@deepseek-ai/dsh-brand' import { deepFreeze } from '@deepseek-ai/dsh-llm' @@ -200,6 +200,8 @@ interface ResolvedConfig { /** One exact provider registration generation. */ interface ProviderRegistration { readonly provider: SessionTitleProvider + readonly active: Set> + closing: boolean } /** Automatic work waiting for the matching main-request header. */ @@ -239,11 +241,15 @@ export class SessionTitleService extends Service { }) private readonly config: ResolvedConfig + private readonly ownerFiber: Fiber private registration: ProviderRegistration | undefined private readonly work = new Map() + private readonly lifetime = new AbortController() + private readonly inFlight = new Set>() constructor(ctx: Context, config: Config) { super(ctx, 'sessionTitle') + this.ownerFiber = ctx.fiber const candidate: unknown = config if (candidate === null || typeof candidate !== 'object') { throw new Error('session-title: configuration is required') @@ -257,6 +263,18 @@ export class SessionTitleService extends Service { } this.config = deepFreeze({ ...value }) + ctx.effect(() => async () => { + this.lifetime.abort(new Error('session-title service disposed')) + if (this.registration !== undefined) this.registration.closing = true + this.registration = undefined + for (const state of this.work.values()) { + delete state.pending + state.active?.controller.abort(new Error('session-title service disposed')) + } + await this.drain(this.inFlight) + this.work.clear() + }, 'sessionTitle lifecycle') + ctx.on('session/event', (session, event) => { switch (event.type) { case 'user/message': @@ -295,15 +313,16 @@ export class SessionTitleService extends Service { */ async refresh(session: Session, signal?: AbortSignal): Promise { signal?.throwIfAborted() + this.assertServiceActive() if (this.ctx.sessions.get(session.id) !== session) { throw new Error(`session "${session.id}" is not live in this store`) } - const fallback = await this.ensureFallback(session) const registration = this.registration - if (registration === undefined) return fallback const messages = collectSessionTitleMessages(session.events) const latest = messages.at(-1) - if (latest === undefined) return fallback + if (registration === undefined || registration.closing || latest === undefined) { + return this.ensureFallback(session) + } const state = this.stateFor(session) const revision = this.supersede(state, 'explicit title refresh superseded older generation') const work = this.activate({ @@ -313,42 +332,48 @@ export class SessionTitleService extends Service { }, state, signal) const config = session.requestHeader()?.config const route = config === undefined ? undefined : { provider: config.provider, model: config.model } - return this.runProvider(session, work, route) + return this.startProvider(session, work, route) } /** * Register the sole optional title provider. Disposal aborts its pending and * active work before another provider may register. * @param provider - provider identity, cadence, and generation function. - * @returns exact Cordis effect disposer for HMR-safe unregistration. + * @returns exact Cordis effect disposer, which settles after active calls quiesce. */ - register(provider: SessionTitleProvider): () => void { + register(provider: SessionTitleProvider): () => Promise { this.validateProvider(provider) if (this.registration !== undefined) { throw new Error(`session-title provider "${this.registration.provider.id}" is already registered`) } const registration: ProviderRegistration = { provider, + active: new Set(), + closing: false, } const dispose = this.ctx.effect(function* (this: SessionTitleService) { this.registration = registration - yield () => { - this.registration = undefined + yield async () => { + registration.closing = true for (const state of this.work.values()) { - delete state.pending - state.active?.controller.abort(new Error(`session-title provider "${provider.id}" was disposed`)) + if (state.pending?.registration === registration) delete state.pending + if (state.active?.registration === registration) { + state.active.controller.abort(new Error(`session-title provider "${provider.id}" was disposed`)) + } } + await this.drain(registration.active) + if (this.registration === registration) this.registration = undefined } }.bind(this), 'sessionTitle.register()') - // eslint-disable-next-line @typescript-eslint/no-misused-promises -- exact effect disposer preserves owner teardown ordering return dispose } /** Schedule fallback creation and any provider cadence for one eligible event. */ private onUserMessage(session: Session, event: Extract): void { + if (!this.serviceActive()) return if (event.data.source.kind !== 'user' || collectSessionTitleMessages([event]).length === 0) return const registration = this.registration - if (registration !== undefined) { + if (registration !== undefined && !registration.closing) { const messages = collectSessionTitleMessages(session.events, event.seq) const shouldSchedule = registration.provider.automatic === 'all-user-messages' || (session.header.parentSession === undefined && messages.length === 1 && this.get(session) === undefined) @@ -358,15 +383,19 @@ export class SessionTitleService extends Service { state.pending = { registration, revision, throughSeq: event.seq } } } - queueMicrotask(() => { - void this.ensureFallback(session).catch((error: unknown) => { + this.defer(async () => { + try { + await this.ensureFallback(session) + } catch (error: unknown) { + if (!this.serviceActive()) return this.ctx.logger.warn(`session "${session.id}": fallback title update failed: ${String(error)}`) - }) + } }) } /** Start pending automatic work only after its exact main-request route is logged. */ private onRequestHeader(session: Session, event: Extract): void { + if (!this.serviceActive()) return const state = this.work.get(session) const pending = state?.pending if (state === undefined || pending === undefined || pending.throughSeq >= event.seq) return @@ -375,16 +404,31 @@ export class SessionTitleService extends Service { provider: event.data.header.config.provider, model: event.data.header.config.model, } - queueMicrotask(() => { - if (this.registration !== pending.registration || state.revision !== pending.revision) return + this.defer(async () => { + if (this.registration !== pending.registration + || pending.registration.closing + || this.work.get(session) !== state + || state.revision !== pending.revision) return const work = this.activate(pending, state) - void this.runProvider(session, work, route).catch((error: unknown) => { - if (work.signal.aborted) return + try { + await this.startProvider(session, work, route) + } catch (error: unknown) { + if (work.signal.aborted || !this.serviceActive()) return this.ctx.logger.warn(`session "${session.id}": automatic title generation failed: ${String(error)}`) - }) + } }) } + /** Start one tracked provider call after publishing its active revision. */ + private startProvider( + session: Session, + work: ActiveProviderWork, + route?: SessionTitleModelProvenance, + ): Promise { + const run = Promise.resolve().then(() => this.runProvider(session, work, route)) + return this.track(run, work.registration) + } + /** Execute and durably accept one current provider revision. */ private async runProvider( session: Session, @@ -392,6 +436,7 @@ export class SessionTitleService extends Service { route?: SessionTitleModelProvenance, ): Promise { try { + this.assertCurrent(session, work) await this.ensureFallback(session) this.assertCurrent(session, work) const messages = collectSessionTitleMessages(session.events, work.throughSeq) @@ -470,6 +515,7 @@ export class SessionTitleService extends Service { /** Fail a completion whose provider, revision, session, or signal is stale. */ private assertCurrent(session: Session, work: ActiveProviderWork): void { + this.assertServiceActive() work.signal.throwIfAborted() const state = this.work.get(session) /* v8 ignore next -- every supported supersession, provider disposal, and session disposal aborts @@ -490,8 +536,8 @@ export class SessionTitleService extends Service { ): ActiveProviderWork { const controller = new AbortController() const signal = upstream === undefined - ? controller.signal - : AbortSignal.any([controller.signal, upstream]) + ? AbortSignal.any([controller.signal, this.lifetime.signal]) + : AbortSignal.any([controller.signal, this.lifetime.signal, upstream]) const work: ActiveProviderWork = { ...pending, controller, signal } state.active = work return work @@ -515,6 +561,44 @@ export class SessionTitleService extends Service { return state } + /** Queue detached service work and retain it through service disposal. */ + private defer(task: () => Promise): void { + const run = Promise.resolve().then(async () => { + if (!this.serviceActive()) return + await task() + }) + void this.track(run) + } + + /** Retain one promise until settlement for service and optional provider teardown. */ + private track(run: Promise, registration?: ProviderRegistration): Promise { + this.inFlight.add(run) + registration?.active.add(run) + const settled = (): void => { + this.inFlight.delete(run) + registration?.active.delete(run) + } + void run.then(settled, settled) + return run + } + + /** Await every current and settling promise in one lifecycle registry. */ + private async drain(active: Set>): Promise { + while (active.size > 0) await Promise.allSettled([...active]) + } + + /** Whether the owning plugin fiber can still start or commit title work. */ + private serviceActive(): boolean { + return !this.lifetime.signal.aborted + && this.ownerFiber.uid !== null + && this.ownerFiber.state === FiberState.ACTIVE + } + + /** Reject work once the owning plugin fiber has begun unloading. */ + private assertServiceActive(): void { + if (!this.serviceActive()) throw new Error('session-title service disposed') + } + /** Reject malformed provider registrations before publishing an effect. */ private validateProvider(provider: unknown): asserts provider is SessionTitleProvider { if (provider === null || typeof provider !== 'object') { @@ -534,6 +618,7 @@ export class SessionTitleService extends Service { /** Create the first deterministic fallback if the session still lacks a title. */ private async ensureFallback(session: Session): Promise { + this.assertServiceActive() const current = this.get(session) if (current !== undefined) return current const [first] = collectSessionTitleMessages(session.events) diff --git a/packages/session-title/session-title/tests/provider.spec.ts b/packages/session-title/session-title/tests/provider.spec.ts index cb298461da..b29139f1e8 100644 --- a/packages/session-title/session-title/tests/provider.spec.ts +++ b/packages/session-title/session-title/tests/provider.spec.ts @@ -84,7 +84,7 @@ describe('SessionTitleService provider lifecycle', () => { await settle() child.append('turn/end', { turn: 2, reason: { kind: 'completed' } }) expect(firstGenerate).not.toHaveBeenCalled() - disposeFirst() + await disposeFirst() const allGenerate = vi.fn(async (request: SessionTitleProviderRequest) => ({ title: 'Fork all prompts', @@ -170,7 +170,7 @@ describe('SessionTitleService provider lifecycle', () => { expect(requests[1]?.messages.map(message => message.seq)).toEqual([first.seq, second.seq]) }) - it('rejects a second provider and aborts stale work when the winner is disposed', async () => { + it('rejects a second provider and drains stale work when the winner is disposed', async () => { const ctx = new Context() await ctx.plugin(SessionStore) await ctx.plugin(SessionTitleService, CONFIG) @@ -202,10 +202,15 @@ describe('SessionTitleService provider lifecycle', () => { await settle() expect(observedSignal?.aborted).toBe(false) - dispose() + const disposal = dispose() expect(observedSignal?.aborted).toBe(true) - pending.resolve({ title: 'stale provider result', messageSeqs: [message.seq] }) + let disposed = false + void disposal.then(() => { disposed = true }) await settle() + expect(disposed).toBe(false) + pending.resolve({ title: 'stale provider result', messageSeqs: [message.seq] }) + await disposal + expect(disposed).toBe(true) expect(ctx.sessionTitle.get(session)?.source.kind).toBe('fallback') const replacement: SessionTitleProvider = { @@ -214,7 +219,7 @@ describe('SessionTitleService provider lifecycle', () => { generate: async () => ({ title: 'replacement', messageSeqs: [message.seq] }), } const disposeReplacement = ctx.sessionTitle.register(replacement) - disposeReplacement() + await disposeReplacement() }) it('supersedes an older all-messages revision and cannot commit an ignored abort', async () => { diff --git a/packages/session-title/session-title/tests/service-contracts.spec.ts b/packages/session-title/session-title/tests/service-contracts.spec.ts index adf1358c97..b9a9851935 100644 --- a/packages/session-title/session-title/tests/service-contracts.spec.ts +++ b/packages/session-title/session-title/tests/service-contracts.spec.ts @@ -1,4 +1,4 @@ -import { Context } from 'cordis' +import { Context, type Fiber } from 'cordis' import { describe, expect, it, vi } from 'vitest' import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session' import SessionTitleService, { @@ -162,6 +162,157 @@ describe('SessionTitleService configuration and refresh boundaries', () => { expect(disposeSignal?.aborted).toBe(true) }) + it('reserves overlapping refresh order before fallback durability settles', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const seed = new Session(SessionId('refresh-order-seed')) + seed.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const source = appendPrompt(seed, 'Keep the newest explicit refresh') + seed.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + const session = ctx.sessions.create(SessionId('refresh-order'), { seed: seed.events }) + const flushStarted = deferred() + const releaseFlush = deferred() + let flushCount = 0 + ctx.on('session/flush', async (subject) => { + if (subject !== session || ++flushCount !== 1) return + flushStarted.resolve(undefined) + await releaseFlush.promise + }) + const result = deferred() + const requests: SessionTitleProviderRequest[] = [] + ctx.sessionTitle.register({ + id: SessionTitleProviderId('refresh-order'), + automatic: 'first-message', + generate(request) { + requests.push(request) + return result.promise + }, + }) + + const older = ctx.sessionTitle.refresh(session) + const olderOutcome = older.then( + () => undefined, + (error: unknown) => error, + ) + await flushStarted.promise + const newer = ctx.sessionTitle.refresh(session) + await settle() + expect(requests).toHaveLength(1) + expect(requests[0]?.signal.aborted).toBe(false) + + releaseFlush.resolve(undefined) + await settle() + expect(requests).toHaveLength(1) + expect(requests[0]?.signal.aborted).toBe(false) + result.resolve({ title: 'Newest explicit title', messageSeqs: [source.seq] }) + await expect(newer).resolves.toMatchObject({ title: 'Newest explicit title' }) + const olderError = await olderOutcome + expect(olderError).toBeInstanceOf(Error) + if (!(olderError instanceof Error)) throw new Error('expected older refresh to reject') + expect(olderError.message).toMatch(/superseded/) + }) + + it('cancels a queued fallback when the session-title service unloads', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const lifecycle: { fiber?: Fiber; session?: Session; inactiveRefresh?: Promise } = {} + ctx.on('internal/plugin', (subject) => { + if (subject !== lifecycle.fiber || subject.uid !== null || lifecycle.session === undefined) return + appendPrompt(lifecycle.session, 'Ignore reentrant disposal prompt') + lifecycle.session.append('request/header', { + header: { config: { provider: 'main', model: 'main' } }, + reason: 'initial', + }) + lifecycle.inactiveRefresh = ctx.sessionTitle.refresh(lifecycle.session).then( + () => undefined, + (error: unknown) => error, + ) + }) + const fiber = await ctx.plugin(SessionTitleService, CONFIG) + lifecycle.fiber = fiber + const session = startSession(ctx, 'service-dispose-fallback') + lifecycle.session = session + appendPrompt(session, 'Do not publish after service disposal') + + await fiber.dispose() + await settle() + + expect(session.events.some(event => event.type === 'session/title')).toBe(false) + const inactiveError = await lifecycle.inactiveRefresh + expect(inactiveError).toBeInstanceOf(Error) + if (!(inactiveError instanceof Error)) throw new Error('expected inactive refresh to reject') + expect(inactiveError.message).toBe('session-title service disposed') + }) + + it('aborts pending and active provider work and drains ignored cancellation during service unload', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const fiber = await ctx.plugin(SessionTitleService, CONFIG) + const result = deferred() + const requests: SessionTitleProviderRequest[] = [] + ctx.sessionTitle.register({ + id: SessionTitleProviderId('service-unload'), + automatic: 'all-user-messages', + generate(request) { + requests.push(request) + return result.promise + }, + }) + const active = startSession(ctx, 'service-unload-active') + const activeMessage = appendPrompt(active, 'Active provider work') + await settle() + const refresh = ctx.sessionTitle.refresh(active) + const refreshOutcome = refresh.then( + () => undefined, + (error: unknown) => error, + ) + await settle() + expect(requests).toHaveLength(1) + const pending = startSession(ctx, 'service-unload-pending') + appendPrompt(pending, 'Pending provider work') + + const disposal = fiber.dispose() + let disposed = false + void disposal.then(() => { disposed = true }) + await settle() + expect(requests[0]?.signal.aborted).toBe(true) + expect(disposed).toBe(false) + result.resolve({ title: 'Ignored service abort', messageSeqs: [activeMessage.seq] }) + await disposal + + expect(disposed).toBe(true) + await expect(refreshOutcome).resolves.toEqual(expect.objectContaining({ message: 'session-title service disposed' })) + }) + + it('suppresses a queued fallback failure after service unload begins', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const fiber = await ctx.plugin(SessionTitleService, CONFIG) + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => undefined) + const session = startSession(ctx, 'service-unload-flush') + appendPrompt(session, 'Fallback whose flush outlives the service') + session.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + const flushStarted = deferred() + const releaseFlush = deferred() + ctx.on('session/flush', async (subject) => { + if (subject !== session) return + flushStarted.resolve(undefined) + await releaseFlush.promise + throw new Error('flush failed during service unload') + }) + + await flushStarted.promise + const disposal = fiber.dispose() + releaseFlush.resolve(undefined) + await disposal + + expect(warn).not.toHaveBeenCalled() + }) + it('warns when a detached session prevents queued fallback publication', async () => { const ctx = await setup() const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => undefined) @@ -238,10 +389,13 @@ describe('SessionTitleService provider validation and stale scheduling', () => { header: { config: { provider: 'main', model: 'main' } }, reason: 'initial', }) - dispose() + const pending = startSession(ctx, 'pending-provider-dispose') + appendPrompt(pending, 'Drop pending provider work') + await dispose() await settle() expect(generate).not.toHaveBeenCalled() expect(ctx.sessionTitle.get(session)?.source.kind).toBe('fallback') + expect(ctx.sessionTitle.get(pending)?.source.kind).toBe('fallback') }) it('rejects malformed provider results without replacing the fallback', async () => { diff --git a/scripts/gen-persistence-catalog.ts b/scripts/gen-persistence-catalog.ts index 1fe5292716..853b134d26 100644 --- a/scripts/gen-persistence-catalog.ts +++ b/scripts/gen-persistence-catalog.ts @@ -42,6 +42,7 @@ const LINK_MAP: Record = { TurnTrigger: 'session.md', TurnEndReason: 'session.md', SessionTitleEventData: 'session-title.md', + SessionTitleLlmRequestEventData: 'session-title.md', SessionTitleModelProvenance: 'session-title.md', SessionTitleProviderId: 'session-title.md', SessionTitleSource: 'session-title.md', diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index 9b24a39bfd..40bf159862 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -96,6 +96,7 @@ { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleSource", "source": "packages/session-title/session-title/src/index.ts" }, { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleEventData", "source": "packages/session-title/session-title/src/index.ts" }, { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleSnapshot", "source": "packages/session-title/session-title/src/index.ts" }, + { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleLlmRequestEventData", "source": "packages/session-title/session-title-llm/src/index.ts" }, { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleUserMessage", "source": "packages/session-title/session-title/src/index.ts" }, { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleAutomaticMode", "source": "packages/session-title/session-title/src/index.ts" }, { "doc": "docs/core-data-structures/session-title.md", "symbol": "SessionTitleProviderRequest", "source": "packages/session-title/session-title/src/index.ts" }, From c6e1d35a99993127ea9742a651b8653bf50bceb4 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 12:14:53 +0800 Subject: [PATCH 16/28] fix(core): close turn cancellation contract gaps --- ...07-16-explicit-turn-cancellation.i18n.yaml | 4 +- .../2026-07-16-explicit-turn-cancellation.md | 12 ++-- ...026-07-16-explicit-turn-cancellation.zh.md | 12 ++-- docs/architecture.md | 2 +- docs/cordis-catalog/services.md | 2 +- docs/core-data-structures/core.md | 6 +- packages/core/agent-loop/README.md | 2 +- packages/core/agent-loop/src/agent.ts | 6 +- packages/core/agent-loop/src/cancellation.ts | 4 +- packages/core/agent-loop/src/loop.ts | 12 ++-- packages/core/agent-loop/tests/cancel.spec.ts | 57 +++++++++------ packages/core/agent/README.md | 4 +- packages/core/agent/src/cancellation.ts | 59 ++++----------- packages/core/agent/src/index.ts | 2 +- packages/core/agent/src/types.ts | 4 +- packages/core/agent/tests/agent.spec.ts | 71 +++++-------------- packages/core/session/README.md | 2 +- packages/core/session/src/index.ts | 17 +++++ packages/core/session/tests/session.spec.ts | 16 +++++ packages/hooks/hook-protocol/README.md | 2 +- packages/hooks/hook-protocol/src/runner.ts | 4 +- .../hooks/hook-protocol/tests/runner.spec.ts | 27 ++++--- .../hooks/hooks-codex/tests/bridge.spec.ts | 26 +++++++ 23 files changed, 185 insertions(+), 168 deletions(-) diff --git a/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml index e0839bb6aa..c36ec1d89f 100644 --- a/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml +++ b/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-16-explicit-turn-cancellation.md: b8cf16f1ae6a8430ae47f0f548d8aae1355a536d -2026-07-16-explicit-turn-cancellation.zh.md: ad6944cb88a253580dc8b2c217a2b9116419f926 +2026-07-16-explicit-turn-cancellation.md: 2803d140256a7a65f901e7c61d8cef32091e7cc9 +2026-07-16-explicit-turn-cancellation.zh.md: 3bebe8642ee65f91e6eb12447b2f732418906dca diff --git a/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md b/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md index b8cf16f1ae..2803d14025 100644 --- a/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md +++ b/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md @@ -12,15 +12,15 @@ The [initiating Agent scope decision](2026-07-15-agent-initiator-scope.md) inten ## Decision -Agent owns the runtime-only `AgentCancelCause` union `{ kind: 'user' } | { kind: 'parent' }`; `agent.cancel()` defaults to `user`. The normalization boundary accepts only an exact ordinary or null-prototype object with one supported `kind`, then returns a detached frozen value for the current turn signal. Strings, extra or symbol fields, unknown kinds, arrays, class instances, `Error`, and `AbortSignal` are rejected synchronously even when the Agent is idle. +Agent owns the runtime-only `AgentCancelCause` union `{ kind: 'user' } | { kind: 'parent' }`; `agent.cancel()` defaults to `user`. TypeScript enforces that vocabulary at this typed same-process seam, with no runtime validator, fallback, or special compatibility contract for untyped callers. An active `TurnCancellation` copies the typed discriminant into a fresh frozen signal reason; idle cancellation has no holder to mutate and does not arm later work. -An interrupted live turn ends with the coarse durable `{ kind: 'aborted' }` outcome. The terminal event records what happened to the turn, while the runtime signal identifies who requested cancellation; it does not duplicate `user` or `parent` into replay. A future audit requirement uses a separate control-request event so a request and its eventual outcome remain distinct. Durable events contain no stack, signal, error object, free-form cancellation text, or backend-private detail. +An interrupted live turn ends with the coarse durable `{ kind: 'aborted' }` outcome. The terminal event records what happened to the turn, while the runtime signal identifies who requested cancellation; it does not duplicate `user` or `parent` into replay. Session seed/load rejects legacy aborted records with a reason or any other extra field, so replay cannot reintroduce caller-owned cancellation detail. A future audit requirement uses a separate control-request event so a request and its eventual outcome remain distinct. Durable events contain no stack, signal, error object, free-form cancellation text, or backend-private detail. -AgentLoop privately owns one `TurnCancellation` per prospective turn. It installs the holder before notifying `agent/status = running`, retains its single `AbortController` through prompt processing, prompt assembly, every step, model and tool execution, continuation, `agent/turn-stop`, `turn/end`, and durability flush, then clears it. Every participating method, event, and request value receives that same explicit signal; the next turn receives a fresh signal. +AgentLoop privately owns one `TurnCancellation` per prospective turn. It installs the holder before notifying `agent/status = running`, retains its single `AbortController` through prompt processing, prompt assembly, every step, model and tool execution, continuation, and `agent/turn-stop`, then clears the exact holder immediately before publishing `turn/end`. Terminal event observers and the following durability flush therefore cannot cancel already-completed turn work even though driver status may remain `running` until the flush settles. Every participating method, event, and request value receives that same explicit signal; the next turn receives a fresh signal. The driver keeps only a cause-less pre-run marker for queued work cancelled before a turn is claimed. It clears the queued and steering work that existed when `cancel()` ran without arming cancellation for future prompts. If a `running` listener synchronously cancels old work and sends a replacement, the driver discards the aborted holder and creates a fresh one for the replacement. Repeated cancellation is first-wins for the active holder, while later calls may still clear newly queued pending work. -The explicit event signatures keep their positional form and place `signal` immediately before a waterfall's final `next`. Prompt submission, request configuration, step-result processing, continuation, and terminal stop join the pre-existing explicit signal seams for pre-step, session prefix, model generation, tool execution, approval, and subagent or workflow requests. `SystemPrompt.assemble()` carries `signal?: AbortSignal` in `AssembleContext` because that object is an explicit request value. Listeners may cooperate with the signal but must not retain it to control another turn. +The explicit event signatures keep their positional form and place `signal` immediately before a waterfall's final `next`. Prompt submission, request configuration, step-result processing, continuation, and terminal stop join the pre-existing explicit signal seams for pre-step, session prefix, model generation, tool execution, approval, and subagent or workflow requests. Hook bridges must also supply `RunHookOptions.signal`, so a turn cancellation reaches the bash executor's process-group kill and join boundary. `SystemPrompt.assemble()` carries `signal?: AbortSignal` in `AssembleContext` because that object is an explicit request value that can also represent signal-less assembly outside a turn. Listeners may cooperate with the signal but must not retain it to control another turn. `ctx.agents` continues to carry only the initiating Agent. Ambient Agent presence does not imply liveness, a current turn, or cancellation authority, and `agentInterruptReasonOf(signal)` reads only its explicit argument. Concurrent Agents isolate both their initiator identities and their turn signals; a child driver shadows the parent initiator while its parent request signal still travels through the subagent seam. @@ -30,7 +30,7 @@ Cancellation remains cooperative. The loop checks interruption before and after ## Verification -Contract tests verify strict runtime cause validation, frozen detachment, default and first-wins behavior, the coarse Session JSON round trip, ACP `user`, in-process subagent `parent`, and disposal precedence. Loop tests make cooperative listeners wait on the signal at prompt submission, system-prompt assembly, session prefix, pre-step, request, model stream, step result, tool execution, continuation, and terminal stop; they assert one signal within a turn and a fresh signal across turns. +Contract tests verify the typed caller union, frozen detachment, default and first-wins behavior, the coarse Session JSON round trip and legacy-record rejection, ACP `user`, in-process subagent `parent`, and disposal precedence. Loop tests make cooperative listeners wait on the signal at prompt submission, system-prompt assembly, session prefix, pre-step, request, model stream, step result, tool execution, continuation, and terminal stop; they assert one signal within a turn, a fresh signal across turns, and no cancellation authority during terminal publication or a blocked durability flush. A real hook bridge test cancels and reaps a blocked prompt hook before idle. Initiator-scope tests assert that every hook still observes the exact Agent and no ambient turn signal, concurrent Agents retain independent identities and signals, and a nested child driver shadows only identity. Race tests cover idle cancellation, pre-run cancellation, replacement submission from a `running` listener, repeated cancellation, and cancel-versus-dispose quiescence. @@ -50,6 +50,6 @@ Initiator-scope tests assert that every hook still observes the exact Agent and ## Consequences -Cancellation has one runtime owner, one signal per turn, and one typed runtime caller vocabulary. Session retains the coarse `aborted` outcome that its consumers actually use, stays isolated from runtime objects, and no longer needs cancellation-specific canonicalization. Cooperative cancellation reaches every asynchronous turn seam, including work before the first step and after the last one. +Cancellation has one runtime owner, one signal per live turn, and one typed runtime caller vocabulary. Session retains the coarse `aborted` outcome that its consumers actually use, rejects reason-bearing legacy forms, and stays isolated from runtime objects. Cooperative cancellation reaches every asynchronous turn seam, including work before the first step and after the last one, while terminal publication and persistence remain outside its authority. The explicit signal adds parameters to several public events and requires plugins to forward cancellation deliberately. This is intentional: authority is visible at the call boundary, lifetime matches the turn, and stale ambient descendants cannot acquire control. Uncooperative in-process work may delay cancellation, but the reported quiescent state remains truthful. diff --git a/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md b/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md index ad6944cb88..3bebe8642e 100644 --- a/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md +++ b/.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.zh.md @@ -12,15 +12,15 @@ Status: implemented ## 决策 -Agent 拥有仅用于运行时的 `AgentCancelCause` 联合类型 `{ kind: 'user' } | { kind: 'parent' }`；`agent.cancel()` 默认使用 `user`。规范化边界只接受恰好包含一个受支持 `kind` 的普通对象或原型为 null 的对象，并返回供当前轮次 signal 使用的、与调用方分离且已冻结的值。即使 Agent 处于空闲状态，字符串、额外字段或符号字段、未知 kind、数组、类实例、`Error` 和 `AbortSignal` 也会被同步拒绝。 +Agent 拥有仅用于运行时的 `AgentCancelCause` 联合类型 `{ kind: 'user' } | { kind: 'parent' }`；`agent.cancel()` 默认使用 `user`。TypeScript 在这份类型化同进程契约中强制执行该词汇，不提供运行时校验器、后备行为，也不为无类型调用方提供特殊兼容性契约。活跃的 `TurnCancellation` 会把类型化判别字段复制为一个全新且已冻结的 signal 原因；空闲状态下没有可修改的持有者，也不会让后续工作预先进入取消状态。 -正在运行的轮次被中断后，以粗粒度的持久化结果 `{ kind: 'aborted' }` 结束。终态事件记录轮次发生了什么，运行时 signal 标识谁请求了取消；回放不会重复保存 `user` 或 `parent`。未来若有审计需求，应使用独立的控制请求事件，让请求与最终结果保持为两项事实。持久化事件不包含调用栈、signal、错误对象、自由文本取消原因或后端私有细节。 +正在运行的轮次被中断后，以粗粒度的持久化结果 `{ kind: 'aborted' }` 结束。终态事件记录轮次发生了什么，运行时 signal 标识谁请求了取消；回放不会重复保存 `user` 或 `parent`。Session seed/load 会拒绝携带取消原因或任何其他额外字段的旧式中止记录，因此回放无法重新引入由调用方持有的取消细节。未来若有审计需求，应使用独立的控制请求事件，让请求与最终结果保持为两项事实。持久化事件不包含调用栈、signal、错误对象、自由文本取消原因或后端私有细节。 -AgentLoop 为每个待启动轮次私有地持有一个 `TurnCancellation`。它在通知 `agent/status = running` 前安装该持有者，使其中唯一的 `AbortController` 持续覆盖提示词处理、提示词组装、每个步骤、模型与工具执行、继续决策、`agent/turn-stop`、`turn/end` 和持久化刷新，随后清除该持有者。所有参与的方法、事件和请求值都会收到同一个显式 signal；下一个轮次会收到全新的 signal。 +AgentLoop 为每个待启动轮次私有地持有一个 `TurnCancellation`。它在通知 `agent/status = running` 前安装该持有者，使其中唯一的 `AbortController` 持续覆盖提示词处理、提示词组装、每个步骤、模型与工具执行、继续决策和 `agent/turn-stop`；随后在发布 `turn/end` 前立即清除所安装的那个持有者。因此，即使驱动器状态可能在持久化刷新结算前保持 `running`，终态事件观察者及其后的持久化刷新也无法取消已完成的轮次工作。所有参与的方法、事件和请求值都会收到同一个显式 signal；下一个轮次会收到全新的 signal。 对于轮次被认领前已取消的排队工作，驱动器只保留一个不携带取消原因的运行前标记。它会清除 `cancel()` 调用时已存在的排队工作和 steering（中途引导）工作，但不会预先取消未来的提示词。若 `running` 监听器同步取消旧工作并发送替代提示词，驱动器会丢弃已中止的持有者，并为替代提示词创建全新的持有者。同一活跃持有者上的重复取消遵循首次请求优先，后续调用仍可清除新入队的待处理工作。 -显式事件签名保留位置参数形式，并把 `signal` 放在 waterfall（瀑布式事件）的最后一个参数 `next` 之前。提示词提交、请求配置、步骤结果处理、继续决策和终止停止加入已有的步骤前处理、会话前缀、模型生成、工具执行、审批以及 subagent 或工作流请求的显式 signal seam。`SystemPrompt.assemble()` 在 `AssembleContext` 中携带 `signal?: AbortSignal`，因为该对象是显式请求值。监听器可以配合该 signal 取消，但不得保留它来控制其他轮次。 +显式事件签名保留位置参数形式，并把 `signal` 放在 waterfall（瀑布式事件）的最后一个参数 `next` 之前。提示词提交、请求配置、步骤结果处理、继续决策和终止停止加入已有的步骤前处理、会话前缀、模型生成、工具执行、审批以及 subagent 或工作流请求的显式 signal seam。钩子桥接器也必须提供 `RunHookOptions.signal`，使轮次取消能够到达 Bash 执行器终止进程组并等待其退出的边界。`SystemPrompt.assemble()` 在 `AssembleContext` 中携带 `signal?: AbortSignal`，因为该对象是显式请求值，也可表示轮次之外不携带 signal 的组装。监听器可以配合该 signal 取消，但不得保留它来控制其他轮次。 `ctx.agents` 仍只携带发起 Agent。环境中的 Agent 并不代表存活、当前轮次或取消权限，`agentInterruptReasonOf(signal)` 也只读取其显式参数。并发 Agent 会同时隔离各自的发起方身份和轮次 signal；子驱动会遮蔽父发起方，而父请求 signal 仍通过 subagent seam 传递。 @@ -30,7 +30,7 @@ Agent dispose（资源释放）会在活跃持有者上请求仅用于运行时 ## 验证 -契约测试验证严格的运行时取消原因校验、冻结且与调用方分离、默认行为与首次请求优先行为、粗粒度的会话 JSON 往返、ACP `user`、进程内 subagent `parent` 以及 dispose 优先级。AgentLoop 测试让协作式监听器在提示词提交、系统提示词组装、会话前缀、步骤前处理、请求、模型流、步骤结果、工具执行、继续决策和终止停止处等待 signal；并断言同一轮次使用一个 signal，不同轮次使用全新的 signal。 +契约测试验证类型化调用方联合类型、冻结且与调用方分离、默认行为与首次请求优先行为、粗粒度的会话 JSON 往返与旧式记录拒绝、ACP `user`、进程内 subagent `parent` 以及 dispose 优先级。AgentLoop 测试让协作式监听器在提示词提交、系统提示词组装、会话前缀、步骤前处理、请求、模型流、步骤结果、工具执行、继续决策和终止停止处等待 signal；并断言同一轮次使用一个 signal，不同轮次使用全新的 signal，终态发布期间和持久化刷新受阻期间不存在取消权限。真实钩子桥接器测试会在报告空闲状态前取消并回收受阻的提示词钩子。 发起方作用域测试断言所有钩子仍观察到同一个 Agent 且没有环境中的轮次 signal，并发 Agent 保持独立的身份与 signal，嵌套子驱动只遮蔽身份。竞态测试覆盖空闲状态取消、运行前取消、从 `running` 监听器提交替代提示词、重复取消以及取消与 dispose 竞争下的静止状态。 @@ -50,6 +50,6 @@ Agent dispose（资源释放）会在活跃持有者上请求仅用于运行时 ## 后果 -取消拥有一个运行时归属方、每个轮次一个 signal，以及一套类型化的运行时调用方词汇。会话保留其消费方实际使用的粗粒度 `aborted` 结果，与运行时对象保持隔离，也不再需要取消专用的规范化逻辑。协作式取消覆盖每个异步轮次 seam，包括第一个步骤之前和最后一个步骤之后的工作。 +取消拥有一个运行时归属方、每个活跃轮次一个 signal，以及一套类型化的运行时调用方词汇。会话保留其消费方实际使用的粗粒度 `aborted` 结果，拒绝携带原因的旧式形式，并与运行时对象保持隔离。协作式取消覆盖每个异步轮次 seam，包括第一个步骤之前和最后一个步骤之后的工作，而终态发布和持久化仍在其权限范围之外。 显式 signal 会给多个公开事件增加参数，并要求插件有意识地转发取消。这是有意设计：权限在调用边界可见，生命周期与轮次匹配，陈旧的环境异步后代无法获得控制能力。不协作的进程内工作可能延迟取消，但所报告的静止状态仍然真实。 diff --git a/docs/architecture.md b/docs/architecture.md index f378774f4c..647c631eab 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -117,7 +117,7 @@ Pruning precedes summaries; overflow retries require durable progress. Bounded t The turn contains failures. Adapter failures close the step before `agent/request-error`, which receives exact `Error`, `LlmFailure`, and history. Retry opens another step; success clears history; exhaustion stores failure on `turn/end`. Failed chunks commit no message/tool. -Others use `agent/error`. Cancellation/disposal beat recovery; undispatched calls get synthetic `tool/call` plus `ABORTED_BEFORE_DISPATCH` results before `turn/end`. One turn-wide `AbortSignal` covers stages. `cancel()` validates `user | parent`, clears queues, and aborts it; durability records `aborted`. Disposal quiesces before unregistering ([decision](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)). +Others use `agent/error`. Cancellation/disposal beat recovery; undispatched calls get synthetic `tool/call`/`ABORTED_BEFORE_DISPATCH` pairs. The signal spans stages until retirement before `turn/end`; typed `cancel()` clears queues and aborts it with `user | parent`. Durability records `aborted`; disposal quiesces before unregistering ([decision](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)). Every session event is turn-enclosed. Reloading preserves an interrupted tail and closes it with a synthetic `interrupted` turn end. Failures after durable turn close report only through `agent/error` because no safe in-turn position remains. Each turn has one `TurnEndReason`; [TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap) owns the variants. diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index ecd88171fb..dd0c9aeb02 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -832,7 +832,7 @@ fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId): Types: [CreateSessionOptions](../core-data-structures/persistence.md) · [Session](../core-data-structures/session.md) · [SessionId](../core-data-structures/core.md) -Source: [`packages/core/session/src/index.ts:553`](../../packages/core/session/src/index.ts) +Source: [`packages/core/session/src/index.ts:570`](../../packages/core/session/src/index.ts) ## `ctx.skills` — `SkillService` diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index fd8a7d3192..e657516427 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -397,8 +397,8 @@ interface Agent { * Clear all queued and steering work, including items waiting to start, and * abort the active turn. The first cause wins for that turn, and `whenIdle()` * resolves after cancellation reaches quiescence. Omission means - * `{ kind: 'user' }`; invalid causes throw synchronously even while idle. - * Idle cancellation is a no-op after validation and does not arm a later cancel. + * `{ kind: 'user' }`. Idle cancellation is a no-op and does not arm a later + * cancel. The active turn snapshots and freezes the typed cause. * @param cause - the stable caller intent carried by the current turn signal. */ cancel(cause?: AgentCancelCause): void @@ -411,7 +411,7 @@ interface Agent { `AgentStatus` is `'idle' | 'running' | 'disposed'`, and `SessionId` is branded. `running` describes the driver-wide drain interval, which can span turn close, its durability checkpoint, and consecutive queued turns; it does not prove a turn is still open. `AgentOptions` is merge-extensible and currently includes `provider?` and `model?`; dispatch requires both after `agent/request`. Persona belongs to `dsh-system-prompt`: an agent-scoped `deployment:persona` may shadow the global default. -The cause is runtime-only and becomes `AbortSignal.reason` on the turn's explicit signal. `agentInterruptReasonOf(signal)` recognizes `user`, `parent`, and lifecycle-only `disposed` without consulting ambient initiator state. Durable `turn/end` retains the coarse `{ kind: 'aborted' }` outcome; request provenance would require a separate durable event rather than overloading the terminal result. +The cause is a TypeScript-enforced same-process input. An active holder copies its discriminant into the runtime-only `AbortSignal.reason`; it is retired before `turn/end` publication. `agentInterruptReasonOf(signal)` recognizes `user`, `parent`, and lifecycle-only `disposed` without consulting ambient initiator state. Durable `turn/end` retains the coarse `{ kind: 'aborted' }` outcome; request provenance would require a separate durable event rather than overloading the terminal result. The [event taxonomy](../architecture.md#event) owns the `agent/*` lifecycle, checkpoint, and waterfall contracts. Turn and step boundaries are durable session events rather than agent emits. diff --git a/packages/core/agent-loop/README.md b/packages/core/agent-loop/README.md index fab6abb97b..4c92b460ff 100644 --- a/packages/core/agent-loop/README.md +++ b/packages/core/agent-loop/README.md @@ -56,7 +56,7 @@ The driver owns one agent for its lifetime and runs inside `ctx.agents.withIniti Every provider call that reaches a successful finish appends exactly one `assistant/message` completion anchor, including content-less calls and `max-tokens` finishes. A successful `agent/step-result` stores its transformed content; a rejected result records empty content before the original failure continues. The anchor retains exact chunk provenance (`[]` for a stream with no chunks) and usage when available, while empty content stays out of derived message history. -Plugin failure ends the current turn, not the loop. Only final adapter dispatch/iteration failures and terminal in-band error or aborted finishes enter `agent/request-error`; middleware, result processing, tools, and `agent/post-step` remain ordinary turn failures. Recovery receives the exact live error, immutable provider facts, and immutable prior failures after the failed step closes. A retry rebuilds from the durable log in a new numbered step, success clears the consecutive history, and exhaustion records the structured failure once on `turn/end`. AgentLoop privately owns one cancellation holder whose explicit signal spans prompt policy, assembly, every step, model and tool work, recovery, continuation, terminal stop, turn close, and flush; the next turn gets a fresh signal. `cancel()` strictly normalizes a runtime-only `user | parent` cause, clears pending work, and cooperatively aborts the holder without leaking to the next prompt; durable `turn/end` remains coarse `aborted`, and undispatched model tool calls receive synthetic `tool/call` and `ABORTED_BEFORE_DISPATCH` result pairs. Disposal wins terminal classification, and work that ignores the signal must settle before quiescence. The [explicit-cancellation decision](../../../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md) owns the lifecycle and race contract. Terminal continuation stops remain authoritative through turn close and durability flush. +Plugin failure ends the current turn, not the loop. Only final adapter dispatch/iteration failures and terminal in-band error or aborted finishes enter `agent/request-error`; middleware, result processing, tools, and `agent/post-step` remain ordinary turn failures. Recovery receives the exact live error, immutable provider facts, and immutable prior failures after the failed step closes. A retry rebuilds from the durable log in a new numbered step, success clears the consecutive history, and exhaustion records the structured failure once on `turn/end`. AgentLoop privately owns one cancellation holder whose explicit signal spans prompt policy, assembly, every step, model and tool work, recovery, continuation, and terminal stop; it retires the holder immediately before publishing `turn/end`, while the driver may remain `running` through the durability flush. `cancel()` accepts the typed runtime-only `user | parent` cause, clears pending work, and cooperatively aborts the holder without leaking to the next prompt; durable `turn/end` remains coarse `aborted`, and undispatched model tool calls receive synthetic `tool/call` and `ABORTED_BEFORE_DISPATCH` result pairs. Disposal wins terminal classification, and work that ignores the signal must settle before quiescence. The [explicit-cancellation decision](../../../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md) owns the lifecycle and race contract. Terminal continuation stops remain authoritative through turn close and durability flush. Within a step, exclusive calls form barriers; parallel-safe calls use a bounded rolling pool and are reclassified before start. Only dispatch/body overlaps. Policy, durable results, and result context remain model-ordered. Abort stops new calls, drains started results, then drains accepted batch context before the turn closes through the normal abort path. diff --git a/packages/core/agent-loop/src/agent.ts b/packages/core/agent-loop/src/agent.ts index b13c1f1aca..3bad874d4a 100644 --- a/packages/core/agent-loop/src/agent.ts +++ b/packages/core/agent-loop/src/agent.ts @@ -7,7 +7,7 @@ */ import type { Context } from 'cordis' -import { agentEvents, normalizeAgentCancelCause } from '@deepseek-ai/dsh-agent' +import { agentEvents } from '@deepseek-ai/dsh-agent' import type { AgentCancelCause, AgentOptions, AgentStatus, HookContext, InjectOptions, SendOptions } from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import { deepFreeze, errorChain } from '@deepseek-ai/dsh-llm' @@ -325,7 +325,7 @@ export class ReactLoopAgent implements Agent { } cancel(cause?: AgentCancelCause): void { - const normalized = normalizeAgentCancelCause(cause ?? { kind: 'user' }) + const reason = cause ?? { kind: 'user' } const cancellation = this.turnCancellation const preRun = cancellation === undefined && (this.#inbox.hasQueued || this.#inbox.hasSteering) if (preRun) { @@ -334,7 +334,7 @@ export class ReactLoopAgent implements Agent { // Clear work already present before abort observers run. A replacement // synchronously enqueued by an observer belongs to the next turn. this.#inbox.clear() - cancellation?.request(normalized) + cancellation?.request(reason) } /** diff --git a/packages/core/agent-loop/src/cancellation.ts b/packages/core/agent-loop/src/cancellation.ts index e4054d8262..c3f5430a20 100644 --- a/packages/core/agent-loop/src/cancellation.ts +++ b/packages/core/agent-loop/src/cancellation.ts @@ -20,12 +20,12 @@ export class TurnCancellation { /** * Abort the turn once. - * @param reason - a validated caller cause or lifecycle disposal marker. + * @param reason - a typed caller cause or lifecycle disposal marker. * @returns whether this request established the signal reason. */ request(reason: AgentCancelCause | typeof DISPOSED_INTERRUPT_REASON): boolean { if (this.signal.aborted) return false - this.#controller.abort(reason) + this.#controller.abort(Object.freeze({ kind: reason.kind })) return true } } diff --git a/packages/core/agent-loop/src/loop.ts b/packages/core/agent-loop/src/loop.ts index d6eec0a8c8..5961a60b15 100644 --- a/packages/core/agent-loop/src/loop.ts +++ b/packages/core/agent-loop/src/loop.ts @@ -124,7 +124,7 @@ export interface LoopHandle { setStatus(status: 'idle' | 'running'): void /** Install a fresh active-turn owner before the running notification. */ installTurnCancellation(): TurnCancellation - /** Clear only the exact owner whose turn and durability flush settled. */ + /** Clear only the exact owner whose turn reached its terminal event boundary. */ clearTurnCancellation(cancellation: TurnCancellation): void /** Resolves when the agent is disposed — unblocks the idle wait. */ disposed: Promise @@ -209,7 +209,7 @@ export async function runLoop(ctx: Context, handle: LoopHandle): Promise { const turn = lastTurnNumber(session) + 1 let terminalStopped = false try { - terminalStopped = await runTurn(ctx, events, handle, turn, transmission, cancellation.signal) + terminalStopped = await runTurn(ctx, events, handle, turn, transmission, cancellation) } catch (error: unknown) { // Pre-turn failure has no durable boundary to close; report it without appending outside a turn. const err = toError(error) @@ -232,10 +232,11 @@ export async function runLoop(ctx: Context, handle: LoopHandle): Promise { async function runTurn( ctx: Context, events: AgentEventDispatch, handle: LoopHandle, turn: number, transmission: TransmissionLog, - signal: AbortSignal, + cancellation: TurnCancellation, ): Promise { const agent = ctx.agents.requireInitiator() const { session } = agent + const { signal } = cancellation const drainSteering = (): boolean => { const messages = handle.inbox.drainSteering() for (const message of messages) { @@ -279,8 +280,11 @@ async function runTurn( } } - // Pre-commit validation failure escapes rather than masquerading as a committed boundary. + // Retire cancellation authority before publishing the terminal event. The + // following durability flush is quiescent turn work, but no longer part of + // the cancellable turn lifetime. const closeTurn = (): void => { + handle.clearTurnCancellation(cancellation) session.append('turn/end', { turn, reason }) } diff --git a/packages/core/agent-loop/tests/cancel.spec.ts b/packages/core/agent-loop/tests/cancel.spec.ts index b722a5312d..ec94b5fc59 100644 --- a/packages/core/agent-loop/tests/cancel.spec.ts +++ b/packages/core/agent-loop/tests/cancel.spec.ts @@ -779,30 +779,43 @@ describe('Agent.cancel()', () => { expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) }) - it('rejects invalid causes synchronously while idle and running', async () => { - class Cause { - readonly kind = 'user' - } - const adapter = new MockAdapter(['hang']) + it('retires turn cancellation before terminal publication and a blocked durability flush', async () => { + const adapter = new MockAdapter([textResponse('done')]) const ctx = await harness(adapter) - const agent = ctx.agentLoop.create(SessionId('invalid-cause'), { provider: 'mock', model: 'mock' }) - const controller = new AbortController() - const invalid: unknown[] = [ - 'user', - { kind: 'timeout' }, - { kind: 'user', detail: 'extra' }, - new Error('cancelled'), - controller.signal, - new Cause(), - ] - for (const value of invalid) expect(() => { agent.cancel(value as never) }).toThrow(TypeError) + const agent = ctx.agentLoop.create(SessionId('terminal-cancellation-authority'), { provider: 'mock', model: 'mock' }) + const flushStarted = Promise.withResolvers() + const releaseFlush = Promise.withResolvers() + let abortedDuringTurnEnd: boolean | undefined - send(agent, 'go') - await expect.poll(() => adapter.requests.length).toBe(1) - for (const value of invalid) expect(() => { agent.cancel(value as never) }).toThrow(TypeError) - expect(agent.status).toBe('running') - agent.cancel() - await waitForIdle(ctx, agent) + ctx.on('session/event', (session, event) => { + if (session !== agent.session || event.type !== 'turn/end') return + const signal = adapter.requests[0]?.signal + if (signal === undefined) throw new Error('model request omitted its turn signal') + agent.cancel({ kind: 'user' }) + abortedDuringTurnEnd = signal.aborted + }) + ctx.on('session/flush', async (session) => { + if (session !== agent.session) return + flushStarted.resolve(undefined) + await releaseFlush.promise + }) + + send(agent, 'finish before persistence drains') + await flushStarted.promise + const signal = adapter.requests[0]?.signal + if (signal === undefined) throw new Error('model request omitted its turn signal') + const idle = agent.whenIdle() + agent.cancel({ kind: 'user' }) + + expect(abortedDuringTurnEnd).toBe(false) + expect(signal.aborted).toBe(false) + expect(agent.session.events.findLast(event => event.type === 'turn/end')).toMatchObject({ + data: { reason: { kind: 'completed' } }, + }) + + releaseFlush.resolve(undefined) + await idle + expect(agent.status).toBe('idle') }) it('records disposed when lifecycle teardown races an already-requested cancel', async () => { diff --git a/packages/core/agent/README.md b/packages/core/agent/README.md index 3c5fa3111c..8ae1bc71e9 100644 --- a/packages/core/agent/README.md +++ b/packages/core/agent/README.md @@ -44,7 +44,7 @@ Agent *creation* is provided by the plugin implementing `AgentFactory` (`dsh-age The lifecycle edges have two important local caveats. `agent/created` runs after scoped setup and after both session and agent registry entries exist. Setup is trusted composition-only code; the immediately following non-vetoing `agent/session-start` notification is the first supported startup injection point. `agent/disposed` always means the exact agent has left the registry. AgentLoop emits it after its driver is quiescent, while ordered teardown may still be detaching the session and unwinding the scope; custom agents registered directly own any stronger driver-ordering contract themselves. -Most interception points are cooperative waterfalls returning seam-specific decisions. Turn-scoped asynchronous seams receive one explicit `AbortSignal`, with `signal` immediately before a waterfall's final `next`; listeners may cooperate but must not retain it as authority over another turn. `agent/pre-step` and `agent/post-step` are serial checkpoints around a step's durable work, while `agent/request-error` is the failed-model-request recovery waterfall: it receives the exact error, normalized failure facts, immutable prior-retried facts, and signal after the failed step closes; a retry opens a new numbered step. `agent/turn-stop` is the terminal serial fold: it runs after ordinary continuation and steering folding, and a returned stop remains in force through turn close and flush so later steering cannot create an extra step or turn. Ordinary queued prompts remain intact. The [explicit-cancellation decision](../../../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md) owns signal lifetime; the [agent-scope runtime-design Agent Note](../../../.agents/notes/implemented/architecture/2026-07-12-agent-scope-runtime-design.md#three-execution-boundaries-are-deliberately-one-way) owns scoped dispatch and terminal settlement. +Most interception points are cooperative waterfalls returning seam-specific decisions. Turn-scoped asynchronous seams receive one explicit `AbortSignal`, with `signal` immediately before a waterfall's final `next`; listeners may cooperate but must not retain it as authority over another turn. The signal remains authoritative through terminal policy and is retired immediately before `turn/end` publication, so terminal observers and the following durability flush cannot cancel completed turn work. `agent/pre-step` and `agent/post-step` are serial checkpoints around a step's durable work, while `agent/request-error` is the failed-model-request recovery waterfall: it receives the exact error, normalized failure facts, immutable prior-retried facts, and signal after the failed step closes; a retry opens a new numbered step. `agent/turn-stop` is the terminal serial fold: it runs after ordinary continuation and steering folding, and a returned stop remains in force through turn close and flush so later steering cannot create an extra step or turn. Ordinary queued prompts remain intact. The [explicit-cancellation decision](../../../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md) owns signal lifetime; the [agent-scope runtime-design Agent Note](../../../.agents/notes/implemented/architecture/2026-07-12-agent-scope-runtime-design.md#three-execution-boundaries-are-deliberately-one-way) owns scoped dispatch and terminal settlement. `PromptDecision.additionalContexts` is an array so every injected context keeps its own source and metadata. A `ContinuationDecision` reason is narrower: it becomes a `steering/message`, not a `context/message`, and therefore carries only content and source. @@ -57,7 +57,7 @@ The handle every plugin programs against: - `agent.send(content, options?)` — queue one independent FIFO item. If claimed, that item becomes the sole ordinary message in its turn; a claimed FIFO successor waits for that turn's checkpoint to settle. Broad cancellation, disposal, or a pre-start failure may instead drop it without a turn. Content and resolved source become one detached, deeply frozen lossless-JSON record before `agent/queued` and enqueue; invalid data throws synchronously, and caller or notification-listener in-place mutation cannot change the log or model input (`agent/prompt-submit` still rewrites by returning replacement content). The [one-send-one-turn Agent Note](../../../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md) owns the rationale. - `agent.steer(content, options?)` — submit steering while the agent is `running`. An open turn records it at the next steering checkpoint before a request or continuation decision; policy can still stop before another step. After turn close and its checkpoint, remaining steering becomes later queued input unless terminal turn policy, cancellation, or disposal discards it. The method uses the same synchronous snapshot-and-validation boundary as `send` and delegates to `send` when idle - `agent.inject(content, options?)` — accept detached in-session context without running the model; the next request sees its `context/message` with `content` rendered verbatim as a user-role message. `options.meta` persists opaque JSON state without rendering it. While a turn is open it joins that turn, deferring FIFO while the current tool batch executes and draining before turn close if execution is interrupted; while idle it is wrapped in a one-shot `injection` turn and durability checkpoint ([the turn-enclosure invariant](../../../.agents/notes/implemented/architecture/2026-06-15-turn-enclosure-invariant.md)). -- `agent.cancel(cause?)` — cancel ALL pending work: an omitted cause means `{ kind: 'user' }`; the exact `user | parent` object is validated, detached, and frozen before queues are cleared and the current turn's shared signal is aborted. Invalid causes throw synchronously, repeated active-turn cancellation is first-wins, and idle cancellation is a safe no-op that does not arm the next turn. ACP maps to `user`, while in-process parent propagation maps to `parent`. The cause is runtime-only; durable `turn/end` stays coarse `aborted`. +- `agent.cancel(cause?)` — cancel ALL pending work: an omitted cause means `{ kind: 'user' }`; TypeScript restricts callers to the `user | parent` union, and an active holder copies its discriminant into a detached frozen signal reason before aborting. The same-process typed seam adds no runtime validation or compatibility fallback for untyped callers. Repeated active-turn cancellation is first-wins, and idle cancellation is a safe no-op that does not arm the next turn. ACP maps to `user`, while in-process parent propagation maps to `parent`. The cause is runtime-only; durable `turn/end` stays coarse `aborted`. - `agent.whenIdle()` — resolve once the agent reaches quiescence after settling out of `running` (idle → immediately; disposed → awaits the loop exit). A non-owner's quiescence-observation hook: it observes the work settling WITHOUT tearing the agent down. Teardown is separate — a lifecycle owner stops and unregisters via `AgentHandle.dispose()`, which awaits the loop exit directly. - `agent.session`, `agent.status`, `agent.options`, `agent.id` diff --git a/packages/core/agent/src/cancellation.ts b/packages/core/agent/src/cancellation.ts index 75a099f1c9..708009b456 100644 --- a/packages/core/agent/src/cancellation.ts +++ b/packages/core/agent/src/cancellation.ts @@ -1,35 +1,6 @@ -/** Public normalization helpers for explicit turn cancellation. @module @deepseek-ai/dsh-agent/cancellation */ +/** Runtime reason inspection for explicit turn cancellation. @module @deepseek-ai/dsh-agent/cancellation */ -import type { AgentCancelCause, AgentInterruptReason } from './types.ts' - -/** - * Validate and detach a caller-supplied Agent cancellation cause. - * @param value - the candidate cancellation cause. - * @returns a fresh frozen cause suitable for the current turn signal. - * @throws {TypeError} when the value is not an exact supported cause. - */ -export function normalizeAgentCancelCause(value: unknown): AgentCancelCause { - if (typeof value !== 'object' || value === null || Array.isArray(value)) { - throw new TypeError('agent cancel cause must be an exact plain object with kind "user" or "parent"') - } - const prototype = Object.getPrototypeOf(value) as unknown - if (prototype !== Object.prototype && prototype !== null) { - throw new TypeError('agent cancel cause must be an exact plain object with kind "user" or "parent"') - } - const keys = Reflect.ownKeys(value) - if (keys.length !== 1 || keys[0] !== 'kind') { - throw new TypeError('agent cancel cause must contain exactly one field: kind') - } - const kind = (value as { readonly kind?: unknown }).kind - switch (kind) { - case 'user': - return Object.freeze({ kind: 'user' }) - case 'parent': - return Object.freeze({ kind: 'parent' }) - default: - throw new TypeError(`unsupported agent cancel cause kind: ${String(kind)}`) - } -} +import type { AgentInterruptReason } from './types.ts' /** * Read a supported agent interruption from an explicitly supplied signal. @@ -41,19 +12,19 @@ export function normalizeAgentCancelCause(value: unknown): AgentCancelCause { export function agentInterruptReasonOf(signal: AbortSignal): AgentInterruptReason | undefined { if (!signal.aborted) return undefined const reason: unknown = signal.reason - if (typeof reason === 'object' && reason !== null && !Array.isArray(reason)) { - const prototype = Object.getPrototypeOf(reason) as unknown - const keys = Reflect.ownKeys(reason) - if ((prototype === Object.prototype || prototype === null) - && keys.length === 1 && keys[0] === 'kind' - && (reason as { readonly kind?: unknown }).kind === 'disposed') { + if (typeof reason !== 'object' || reason === null || Array.isArray(reason)) return undefined + const prototype = Object.getPrototypeOf(reason) as unknown + const keys = Reflect.ownKeys(reason) + if ((prototype !== Object.prototype && prototype !== null) + || keys.length !== 1 || keys[0] !== 'kind') return undefined + switch ((reason as { readonly kind?: unknown }).kind) { + case 'user': + return Object.freeze({ kind: 'user' }) + case 'parent': + return Object.freeze({ kind: 'parent' }) + case 'disposed': return Object.freeze({ kind: 'disposed' }) - } - } - try { - return normalizeAgentCancelCause(reason) - } catch (error: unknown) { - if (error instanceof TypeError) return undefined - throw error + default: + return undefined } } diff --git a/packages/core/agent/src/index.ts b/packages/core/agent/src/index.ts index 506e630f82..2f5b525525 100644 --- a/packages/core/agent/src/index.ts +++ b/packages/core/agent/src/index.ts @@ -15,7 +15,7 @@ import type { SessionEvent, SessionId } from '@deepseek-ai/dsh-session' import type { Agent, AgentOptions } from './types.ts' export * from './types.ts' -export { agentInterruptReasonOf, normalizeAgentCancelCause } from './cancellation.ts' +export { agentInterruptReasonOf } from './cancellation.ts' export { agentEvents, assembleContextFor } from './dispatch.ts' export type { AgentEventDispatch, AgentSubjectEvent } from './dispatch.ts' diff --git a/packages/core/agent/src/types.ts b/packages/core/agent/src/types.ts index e1258af3ac..15e3316a33 100644 --- a/packages/core/agent/src/types.ts +++ b/packages/core/agent/src/types.ts @@ -132,8 +132,8 @@ export interface Agent { * Clear all queued and steering work, including items waiting to start, and * abort the active turn. The first cause wins for that turn, and `whenIdle()` * resolves after cancellation reaches quiescence. Omission means - * `{ kind: 'user' }`; invalid causes throw synchronously even while idle. - * Idle cancellation is a no-op after validation and does not arm a later cancel. + * `{ kind: 'user' }`. Idle cancellation is a no-op and does not arm a later + * cancel. The active turn snapshots and freezes the typed cause. * @param cause - the stable caller intent carried by the current turn signal. */ cancel(cause?: AgentCancelCause): void diff --git a/packages/core/agent/tests/agent.spec.ts b/packages/core/agent/tests/agent.spec.ts index b36c92c73f..5e3336b3d4 100644 --- a/packages/core/agent/tests/agent.spec.ts +++ b/packages/core/agent/tests/agent.spec.ts @@ -5,10 +5,9 @@ import { Session, SessionId } from '@deepseek-ai/dsh-session' import AgentRegistry, { agentEvents, agentInterruptReasonOf, - normalizeAgentCancelCause, } from '@deepseek-ai/dsh-agent' -import type { Agent, AgentFactory, ContinuationStop, CreateAgentOptions, ResumeAgentOptions } from '@deepseek-ai/dsh-agent' +import type { Agent, AgentCancelCause, AgentFactory, ContinuationStop, CreateAgentOptions, ResumeAgentOptions } from '@deepseek-ai/dsh-agent' function stubAgent(rawId: string): Agent { const id = SessionId(rawId) @@ -187,41 +186,21 @@ describe('agentEvents()', () => { }) describe('explicit cancellation helpers', () => { - it('normalizes exact causes into detached frozen values', () => { - const user = { kind: 'user' as const } - const parent = Object.assign(Object.create(null) as object, { kind: 'parent' }) - - const normalizedUser = normalizeAgentCancelCause(user) - const normalizedParent = normalizeAgentCancelCause(parent) - - expect(normalizedUser).toEqual({ kind: 'user' }) - expect(normalizedUser).not.toBe(user) - expect(Object.isFrozen(normalizedUser)).toBe(true) - expect(normalizedParent).toEqual({ kind: 'parent' }) - expect(Object.getPrototypeOf(normalizedParent)).toBe(Object.prototype) - expect(Object.isFrozen(normalizedParent)).toBe(true) - }) - - it.each([ - undefined, - null, - 'user', - [], - new Error('user'), - { kind: 'user', detail: true }, - Object.assign({ kind: 'user' }, { [Symbol('extra')]: true }), - { kind: 'timeout' }, - ])('rejects unsupported cancellation cause %#', (cause) => { - expect(() => normalizeAgentCancelCause(cause)).toThrow(TypeError) + it('exposes the closed typed cancellation cause at the Agent seam', () => { + expectTypeOf[0]>().toEqualTypeOf() }) it('reads only supported reasons from an explicit signal', () => { + const read = (reason: unknown) => { + const controller = new AbortController() + controller.abort(reason) + return agentInterruptReasonOf(controller.signal) + } const live = new AbortController() expect(agentInterruptReasonOf(live.signal)).toBeUndefined() - const user = new AbortController() - user.abort({ kind: 'user' }) - expect(agentInterruptReasonOf(user.signal)).toEqual({ kind: 'user' }) + expect(read({ kind: 'user' })).toEqual({ kind: 'user' }) + expect(read({ kind: 'parent' })).toEqual({ kind: 'parent' }) const disposed = new AbortController() disposed.abort(Object.assign(Object.create(null) as object, { kind: 'disposed' })) @@ -229,29 +208,13 @@ describe('explicit cancellation helpers', () => { expect(disposedReason).toEqual({ kind: 'disposed' }) expect(Object.isFrozen(disposedReason)).toBe(true) - const unsupported = new AbortController() - unsupported.abort(new Error('private runtime reason')) - expect(agentInterruptReasonOf(unsupported.signal)).toBeUndefined() - - const primitive = new AbortController() - primitive.abort('private runtime reason') - expect(agentInterruptReasonOf(primitive.signal)).toBeUndefined() - }) - - it('does not swallow non-validation failures while reading a cause', () => { - let reads = 0 - const reason = Object.defineProperty({}, 'kind', { - enumerable: true, - get() { - reads += 1 - if (reads === 1) return 'user' - throw new Error('kind getter failed') - }, - }) - const controller = new AbortController() - controller.abort(reason) - - expect(() => agentInterruptReasonOf(controller.signal)).toThrow('kind getter failed') + expect(read(null)).toBeUndefined() + expect(read([])).toBeUndefined() + expect(read('private runtime reason')).toBeUndefined() + expect(read(new Error('private runtime reason'))).toBeUndefined() + expect(read({ kind: 'user', detail: true })).toBeUndefined() + expect(read({ other: 'user' })).toBeUndefined() + expect(read({ kind: 'timeout' })).toBeUndefined() }) }) diff --git a/packages/core/session/README.md b/packages/core/session/README.md index df635f0085..f848909444 100644 --- a/packages/core/session/README.md +++ b/packages/core/session/README.md @@ -80,7 +80,7 @@ Every `SessionEvent` carries two optional top-level fields (structural metadata) ### Extension points - Persistence plugins: subscribe to `session/event` (write-behind) and drain on `session/flush` (awaited) and fiber dispose. A durable backend reads the log and reloads it into a live session; the metadata seam (`SessionHeader`, `session.header`) is what such a backend stores beside the log. -- Replay/fork: `create(id, { seed })` validates and freezes a contiguous current-format log and rebuilds its surface; request headers require provider/model and assistant messages require provider/model provenance. `fork(source, boundary?, childSessionId?)` selects a completed-turn prefix and records lineage. +- Replay/fork: `create(id, { seed })` validates and freezes a contiguous current-format log and rebuilds its surface; request headers require provider/model, assistant messages require provider/model provenance, and a coarse aborted outcome must contain only `{ kind: 'aborted' }` (legacy reason-bearing records are rejected). `fork(source, boundary?, childSessionId?)` selects a completed-turn prefix and records lineage. - Compaction: `dsh-compact-basic` appends a `user/message` replacement for summary checkpoints, while `dsh-compact-tool-result-prune` appends a content-only `tool/result` replacement. Tool-pairing boundary policy and its cache belong to the [`dsh-compact` seam](../../compact/compact/README.md), while this package owns ordered surface membership, replacement validation, and `replaceGeneration`. ## Model Experience diff --git a/packages/core/session/src/index.ts b/packages/core/session/src/index.ts index 9b2eb74a37..4a8963bb4c 100644 --- a/packages/core/session/src/index.ts +++ b/packages/core/session/src/index.ts @@ -137,6 +137,7 @@ function assertSessionEventEnvelope(value: Record, index: numbe throw new Error(`seed event at index ${index} has an invalid event envelope`) } assertCurrentLlmShape(event, index) + assertCurrentTurnEndShape(event, index) } /** Reject pre-provider request headers and assistant messages at the seed/load boundary. */ @@ -154,6 +155,22 @@ function assertCurrentLlmShape(event: Record, index: number): v } } +/** Reject legacy aborted outcomes that persisted caller-owned reason detail. */ +function assertCurrentTurnEndShape(event: Record, index: number): void { + if (event['type'] !== 'turn/end') return + const data = event['data'] + /* v8 ignore next -- this migration recognizes only the legacy object shape; format-wide payload validation is separate. */ + if (typeof data !== 'object' || data === null) return + const reason = (data as Record)['reason'] + /* v8 ignore next -- non-object reasons cannot carry the legacy aborted detail this migration removes. */ + if (typeof reason !== 'object' || reason === null || Array.isArray(reason)) return + const record = reason as Record + if (record['kind'] === 'aborted' + && (Object.keys(record).length !== 1 || !Object.hasOwn(record, 'kind'))) { + throw new Error(`seed turn/end at index ${index} uses unsupported reason-bearing aborted format`) + } +} + /** Whether an unknown value carries the current provider/model pair. */ function hasProviderModel(value: unknown): boolean { if (typeof value !== 'object' || value === null) return false diff --git a/packages/core/session/tests/session.spec.ts b/packages/core/session/tests/session.spec.ts index fa0afc20e1..0aef29b9a9 100644 --- a/packages/core/session/tests/session.spec.ts +++ b/packages/core/session/tests/session.spec.ts @@ -58,6 +58,22 @@ describe('Session', () => { expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'aborted' }) }) + it('rejects legacy reason-bearing aborted outcomes at the seed/load boundary', () => { + const legacy = [ + { + type: 'turn/start', seq: 0, time: 1, + data: { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }, + }, + { + type: 'turn/end', seq: 1, time: 2, + data: { turn: 1, reason: { kind: 'aborted', reason: 'legacy cancellation detail' } }, + }, + ] as unknown as SessionEvent[] + + expect(() => new Session(SessionId('legacy-aborted'), legacy)) + .toThrow('seed turn/end at index 1 uses unsupported reason-bearing aborted format') + }) + it('renders context and steering messages as plain user content', () => { const session = new Session(SessionId('s2')) session.append('context/message', { diff --git a/packages/hooks/hook-protocol/README.md b/packages/hooks/hook-protocol/README.md index cae3f5e6b6..42a642caf0 100644 --- a/packages/hooks/hook-protocol/README.md +++ b/packages/hooks/hook-protocol/README.md @@ -18,7 +18,7 @@ Why a shared lib at all: Codex deliberately reimplements a *subset* of the Claud ## Primitives - **`matchesMatcher(matcher, query, mode)`** — match-all on absent/`''`/`'*'`; `claude` mode treats a pure `[A-Za-z0-9_|]+` pattern as a literal (pipe = exact-match alternation) and anything else as a regex; `codex` mode is always an unanchored regex. An invalid regex matches nothing (never throws). -- **`runHook(bash, hook, options, now)`** — serialize `options.payload` to the hook's stdin (with a trailing newline iff `options.trailingNewline`), merge `options.env` after the executor's credential scrub (the `dsh-bash` trusted-plugin surface), honor the hook's `timeoutSec` (else `options.defaultTimeoutMs` — the bridge owns the default, its config defaulting to the lib's `DEFAULT_HOOK_TIMEOUT_MS` 10-minute reference), and decode the result (threading `options.expectedEventName` to the codec). Never throws: an executor rejection (infra fault) becomes a `HookOutput` with `exitCode: undefined` (a non-blocking error). `now` is injected for testable durations. +- **`runHook(bash, hook, options, now)`** — require and forward the caller-owned `options.signal`, serialize `options.payload` to the hook's stdin (with a trailing newline iff `options.trailingNewline`), merge `options.env` after the executor's credential scrub (the `dsh-bash` trusted-plugin surface), honor the hook's `timeoutSec` (else `options.defaultTimeoutMs` — the bridge owns the default, its config defaulting to the lib's `DEFAULT_HOOK_TIMEOUT_MS` 10-minute reference), and decode the result (threading `options.expectedEventName` to the codec). Cancellation therefore reaches the executor's process-group kill and join boundary. Never throws: an executor rejection (infra fault) becomes a `HookOutput` with `exitCode: undefined` (a non-blocking error). `now` is injected for testable durations. - **`parseHookOutput(exitCode, stdout, stderr, expectedEventName?)`** decodes exit status and structured stdout. Exit 2 blocks with stderr; other failures are non-blocking. A matching hook-specific permission decision overrides the legacy top-level decision; mismatched or missing event discriminators suppress only event-specific fields. Top-level fields remain event-agnostic, and successful non-JSON output is left to the bridge. - **`mergeHookOutputs(outputs)`** — fold the results of every hook that matched one point: permission precedence **deny > ask > allow**, halt sticky on the first `continue:false`, block reasons joined with `\n\n`, `additionalContext`/`systemMessages` accumulated in order. - **`createDetachedRuns()`** — quiescence tracking for the emit-shaped points, which run detached (no seam awaits them). The bridge tracks each run chain — the hook run PLUS its continuation — and registers `drain()` as its effect disposer: drain fires the tracker's abort `signal` (so a still-running hook process is killed via `runHook`, not awaited out to its timeout), then resolves once every tracked chain has settled. `fiber.dispose()` resolving therefore means no detached hook work is left to fire into a disposed context ([defensive patterns](../../../docs/defensive-patterns.md): dispose must reach quiescence). diff --git a/packages/hooks/hook-protocol/src/runner.ts b/packages/hooks/hook-protocol/src/runner.ts index 1e7de698d0..802022085e 100644 --- a/packages/hooks/hook-protocol/src/runner.ts +++ b/packages/hooks/hook-protocol/src/runner.ts @@ -28,7 +28,7 @@ export interface RunHookOptions { /** Working directory for the hook (defaults to the executor's own default when omitted). */ cwd?: string /** Explicit owning-operation signal; firing it cancels the hook run. */ - signal?: AbortSignal + readonly signal: AbortSignal /** Whether to append a trailing newline to the stdin payload (CC yes, Codex no). */ trailingNewline: boolean /** @@ -78,9 +78,9 @@ export async function runHook( command: hook.command, timeoutMs, stdin, + signal: options.signal, ...options.cwd !== undefined ? { workdir: options.cwd } : {}, ...options.env !== undefined ? { env: options.env } : {}, - ...options.signal ? { signal: options.signal } : {}, } try { diff --git a/packages/hooks/hook-protocol/tests/runner.spec.ts b/packages/hooks/hook-protocol/tests/runner.spec.ts index c2990e10be..09e0e65275 100644 --- a/packages/hooks/hook-protocol/tests/runner.spec.ts +++ b/packages/hooks/hook-protocol/tests/runner.spec.ts @@ -1,6 +1,7 @@ -import { describe, expect, it } from 'vitest' +import { describe, expect, expectTypeOf, it } from 'vitest' import type { BashExecRequest, BashExecSpec, BashExecutor, BashRunResult } from '@deepseek-ai/dsh-bash' import { DEFAULT_HOOK_TIMEOUT_MS, runHook } from '@deepseek-ai/dsh-hook-protocol' +import type { RunHookOptions } from '@deepseek-ai/dsh-hook-protocol' /** * A minimal stand-in for the bits of {@link BashExecutor} that {@link runHook} @@ -51,12 +52,18 @@ function result(over: Partial = {}): BashRunResult { } const clock = () => { let t = 0; return () => (t += 5) } // +5ms per call → duration 5 +const testSignal = (): AbortSignal => new AbortController().signal describe('runHook — payload + env + stdin plumbing', () => { + it('requires an explicit caller-owned abort signal', () => { + expectTypeOf().toEqualTypeOf() + }) + it('serializes the payload to stdin (with trailing newline when requested)', async () => { const { bash, specs } = recordingBash(async () => result({ stdout: { text: '', truncated: false } })) await runHook(bash, { command: 'my-hook.sh' }, { payload: { hook_event_name: 'PreToolUse', tool_name: 'Bash' }, + signal: testSignal(), defaultTimeoutMs: 60000, trailingNewline: true, }, clock()) @@ -66,14 +73,14 @@ describe('runHook — payload + env + stdin plumbing', () => { it('omits the trailing newline when trailingNewline is false (Codex)', async () => { const { bash, specs } = recordingBash(async () => result()) - await runHook(bash, { command: 'h' }, { payload: { a: 1 }, defaultTimeoutMs: 1000, trailingNewline: false }, clock()) + await runHook(bash, { command: 'h' }, { payload: { a: 1 }, signal: testSignal(), defaultTimeoutMs: 1000, trailingNewline: false }, clock()) expect(specs[0]!.stdin).toBe('{"a":1}') }) it('threads env and cwd into the request', async () => { const { bash, specs } = recordingBash(async () => result()) await runHook(bash, { command: 'h' }, { - payload: {}, env: { CLAUDE_PROJECT_DIR: '/proj' }, cwd: '/work', + payload: {}, env: { CLAUDE_PROJECT_DIR: '/proj' }, cwd: '/work', signal: testSignal(), defaultTimeoutMs: 1000, trailingNewline: true, }, clock()) expect(specs[0]!.env).toEqual({ CLAUDE_PROJECT_DIR: '/proj' }) @@ -82,13 +89,13 @@ describe('runHook — payload + env + stdin plumbing', () => { it('a per-hook timeoutSec (seconds) overrides the default (ms)', async () => { const { bash, specs } = recordingBash(async () => result()) - await runHook(bash, { command: 'h', timeoutSec: 3 }, { payload: {}, defaultTimeoutMs: 60000, trailingNewline: true }, clock()) + await runHook(bash, { command: 'h', timeoutSec: 3 }, { payload: {}, signal: testSignal(), defaultTimeoutMs: 60000, trailingNewline: true }, clock()) expect(specs[0]!.timeoutMs).toBe(3000) }) it('falls back to the default timeout when the hook sets none', async () => { const { bash, specs } = recordingBash(async () => result()) - await runHook(bash, { command: 'h' }, { payload: {}, defaultTimeoutMs: 60000, trailingNewline: true }, clock()) + await runHook(bash, { command: 'h' }, { payload: {}, signal: testSignal(), defaultTimeoutMs: 60000, trailingNewline: true }, clock()) expect(specs[0]!.timeoutMs).toBe(60000) expect(DEFAULT_HOOK_TIMEOUT_MS).toBe(600_000) // the CC/Codex reference default (10 minutes) }) @@ -106,7 +113,7 @@ describe('runHook — outcome decoding + duration', () => { const { bash } = recordingBash(async () => result({ exitCode: 0, stdout: { text: JSON.stringify({ decision: 'block', reason: 'no' }), truncated: false }, })) - const { output, durationMs } = await runHook(bash, { command: 'h' }, { payload: {}, defaultTimeoutMs: 1000, trailingNewline: true }, clock()) + const { output, durationMs } = await runHook(bash, { command: 'h' }, { payload: {}, signal: testSignal(), defaultTimeoutMs: 1000, trailingNewline: true }, clock()) expect(output.decision).toBe('block') expect(output.reason).toBe('no') expect(durationMs).toBe(5) @@ -114,7 +121,7 @@ describe('runHook — outcome decoding + duration', () => { it('a signal death (exitCode null) decodes as undefined exit (non-blocking error)', async () => { const { bash } = recordingBash(async () => result({ exitCode: null, signal: 'SIGKILL', stderr: { text: 'killed', truncated: false } })) - const { output } = await runHook(bash, { command: 'h' }, { payload: {}, defaultTimeoutMs: 1000, trailingNewline: true }, clock()) + const { output } = await runHook(bash, { command: 'h' }, { payload: {}, signal: testSignal(), defaultTimeoutMs: 1000, trailingNewline: true }, clock()) expect(output.exitCode).toBeUndefined() expect(output.decision).toBeUndefined() expect(output.stderr).toBe('killed') @@ -122,7 +129,7 @@ describe('runHook — outcome decoding + duration', () => { it('an executor rejection (infra fault) becomes a non-blocking error, never throws', async () => { const { bash } = recordingBash(async () => { throw new Error('bad workdir: ENOENT') }) - const { output } = await runHook(bash, { command: 'h' }, { payload: {}, defaultTimeoutMs: 1000, trailingNewline: true }, clock()) + const { output } = await runHook(bash, { command: 'h' }, { payload: {}, signal: testSignal(), defaultTimeoutMs: 1000, trailingNewline: true }, clock()) expect(output.exitCode).toBeUndefined() expect(output.stderr).toBe('bad workdir: ENOENT') expect(output.decision).toBeUndefined() @@ -130,7 +137,7 @@ describe('runHook — outcome decoding + duration', () => { it('a non-Error rejection is stringified onto stderr', async () => { const { bash } = recordingBash(async () => { throw 'plain string fault' }) - const { output } = await runHook(bash, { command: 'h' }, { payload: {}, defaultTimeoutMs: 1000, trailingNewline: true }, clock()) + const { output } = await runHook(bash, { command: 'h' }, { payload: {}, signal: testSignal(), defaultTimeoutMs: 1000, trailingNewline: true }, clock()) expect(output.stderr).toBe('plain string fault') }) @@ -140,7 +147,7 @@ describe('runHook — outcome decoding + duration', () => { stdout: { text: JSON.stringify({ hookSpecificOutput: { hookEventName: 'PreToolUse', permissionDecision: 'deny' } }), truncated: false }, })) const { output } = await runHook(bash, { command: 'h' }, { - payload: {}, defaultTimeoutMs: 1000, trailingNewline: true, expectedEventName: 'Stop', + payload: {}, signal: testSignal(), defaultTimeoutMs: 1000, trailingNewline: true, expectedEventName: 'Stop', }, clock()) // A PreToolUse block on a Stop hook is malformed → its decision is discarded. expect(output.hookEventName).toBe('PreToolUse') diff --git a/packages/hooks/hooks-codex/tests/bridge.spec.ts b/packages/hooks/hooks-codex/tests/bridge.spec.ts index 2cb4cb0bc5..684650104a 100644 --- a/packages/hooks/hooks-codex/tests/bridge.spec.ts +++ b/packages/hooks/hooks-codex/tests/bridge.spec.ts @@ -105,6 +105,32 @@ describe('hooks-codex bridge', () => { expect(JSON.stringify(adapter.requests[1]!.messages)).toContain('keep going: address the goal') }) + it('turn cancellation aborts and reaps a running UserPromptSubmit hook before idle', async () => { + const dir = configDir() + const pidFile = join(dir, 'pid') + const marker = join(dir, 'started') + const slow = script(dir, 'slow-prompt.sh', `#!/usr/bin/env bash\necho $$ > "${pidFile}"\ntouch "${marker}"\nsleep 30\n`) + writeHooks(dir, { UserPromptSubmit: [{ hooks: [{ type: 'command', command: slow }] }] }) + + const adapter = new MockAdapter([textResponse('must not run')]) + const ctx = await harness(dir, adapter) + const agent = ctx.agentLoop.create(SessionId('cancel-prompt-hook'), { provider: 'mock', model: 'mock' }) + agent.send([{ type: 'text', text: 'cancel the hook' }]) + await waitFor(() => existsSync(marker)) + const pid = Number(readFileSync(pidFile, 'utf8').trim()) + + const idle = agent.whenIdle() + agent.cancel({ kind: 'user' }) + await idle + + expect(() => process.kill(pid, 0)).toThrow() + expect(adapter.requests).toHaveLength(0) + expect(events(agent).findLast(event => event.type === 'turn/end')).toMatchObject({ + data: { reason: { kind: 'aborted' } }, + }) + expect(events(agent).some(event => event.type === 'hook/result' && event.data.point === 'UserPromptSubmit')).toBe(true) + }) + it('only the five bridge-supported Codex events are honored — a SubagentStop entry is ignored', async () => { const dir = configDir() const s = script(dir, 'x.sh', '#!/usr/bin/env bash\nexit 2\n') From 63cb16a540041d0746e37c19953543c6df8366d8 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 13:37:28 +0800 Subject: [PATCH 17/28] fix(session-title): honor request lifecycle --- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +- .../2026-07-21-log-backed-session-titles.md | 2 +- ...2026-07-21-log-backed-session-titles.zh.md | 2 +- docs/config-catalog.md | 2 +- docs/cordis-catalog/services.md | 4 +- docs/event-producer-consumer.md | 2 +- docs/persistence-catalog.md | 2 +- .../cordis/tool-cordis/src/api-catalog.ts | 2 +- .../session-title/session-title/README.md | 4 +- .../session-title/session-title/src/index.ts | 39 +++++++- .../session-title/tests/provider.spec.ts | 90 +++++++++++++++++++ .../tests/service-contracts.spec.ts | 31 +++++++ 12 files changed, 169 insertions(+), 15 deletions(-) diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index 0c3673b4c3..a2278a8e54 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: d536e8623652116c1194c303cd50ea44f27bb34d -2026-07-21-log-backed-session-titles.zh.md: b44f7cfaede440291445894ddb73829b1a3404ec +2026-07-21-log-backed-session-titles.md: 9c54b0b6c24e393f9e7c9f6585d4c80642be9e87 +2026-07-21-log-backed-session-titles.zh.md: 351acb5d2fd6047547a31ec4a16912ff9ea74a95 diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index d536e86236..9c54b0b6c2 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -24,7 +24,7 @@ The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugi Only text blocks from human-source `user/message` events are eligible. Empty, control-only, and non-text prompts wait for the next eligible message. The service schedules the first fallback without awaiting it from the prompt path, normalizes whitespace and control sequences, applies the configured word and UTF-8 byte limits without splitting a code point, and records the first message seq. -Automatic provider work waits until the corresponding `request/header` records the main request's exact provider/model route, then runs independently of the agent response. A completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. +Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the frozen loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. The first-message provider schedules once when a fresh session first creates its fallback. An automatic failure does not reschedule on later prompts; `refresh()` is the retry path. The all-messages provider schedules after every eligible human prompt and passes all eligible messages through that revision, including seeded history. Its newer revision aborts and supersedes older pending or active work. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index b44f7cfaed..351acb5d2f 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -24,7 +24,7 @@ Status: implemented 只有人类来源的 `user/message` 事件中的文本块才符合条件。空提示词、仅含控制字符的提示词和非文本提示词会等待下一条合格消息。服务从提示词路径调度首个回退标题而不等待其完成，随后规范化空白和控制序列，应用已配置的单词数和 UTF-8 字节限制且不拆分代码点，并记录第一条消息的 seq。 -自动提供方工作会等待相应的 `request/header` 记录主请求的准确提供方和模型路由，然后独立于 agent 响应运行。完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。 +仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建且已冻结的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。 首消息提供方仅在新会话首次创建回退标题时调度一次。自动执行失败后，后续提示词不会重新调度；`refresh()` 是重试路径。全部消息提供方会在每条合格且由人类发出的提示词后调度，并传入截至该修订的所有合格消息，包括预置历史记录。较新的修订会中止并取代更早的待执行或活跃工作。 diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 10549c12ee..bcf6eb9cb2 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -877,7 +877,7 @@ export interface Config { } ``` -Source: [`packages/session-title/session-title/src/index.ts:63`](../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:64`](../packages/session-title/session-title/src/index.ts) ## `@deepseek-ai/dsh-session-title-all-messages-llm` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index 60f10133e1..a7a47b5fe6 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -1007,7 +1007,7 @@ get(session: Session): SessionTitleSnapshot | undefined * Explicitly retry the registered provider, or materialize the built-in * fallback when no provider is registered. * @param session - exact live session to refresh. - * @param signal - optional caller cancellation. + * @param signal - optional caller cancellation; an in-progress fallback append may finish durably before rejection. * @returns latest accepted title, or `undefined` when no eligible text exists. */ async refresh(session: Session, signal?: AbortSignal): Promise @@ -1023,7 +1023,7 @@ register(provider: SessionTitleProvider): () => Promise Types: [Session](../core-data-structures/session.md) · [SessionTitleProvider](../core-data-structures/session-title.md) · [SessionTitleSnapshot](../core-data-structures/session-title.md) -Source: [`packages/session-title/session-title/src/index.ts:235`](../../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:236`](../../packages/session-title/session-title/src/index.ts) ## `ctx.skills` — `SkillService` diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index 157dd18d70..ad914bbfc3 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -30,7 +30,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:71`](../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:54`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `goal/changed` | `emit` | [`packages/goal/goal/src/types.ts:167`](../packages/goal/goal/src/types.ts) | [`goal`](../packages/goal/goal) (`emit`) | [`goal-session`](../packages/goal/goal-session) | -| `llm/stream` | `waterfall` | [`packages/llm/llm/src/index.ts:44`](../packages/llm/llm/src/index.ts) | [`llm`](../packages/llm/llm) (`waterfall`) | [`invariants`](../packages/support/invariants), [`llm-replay`](../packages/support/llm-replay) | +| `llm/stream` | `waterfall` | [`packages/llm/llm/src/index.ts:44`](../packages/llm/llm/src/index.ts) | [`llm`](../packages/llm/llm) (`waterfall`) | [`invariants`](../packages/support/invariants), [`llm-replay`](../packages/support/llm-replay), [`session-title`](../packages/session-title/session-title) | | `session/created` | `emit` | [`packages/core/session/src/index.ts:47`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence) | | `session/disposed` | `emit` | [`packages/core/session/src/index.ts:57`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title) | | `session/event` | `emit` | [`packages/core/session/src/index.ts:69`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`acp`](../packages/ui/acp), [`cli-demo`](../packages/examples/cli-demo), [`goal-session`](../packages/goal/goal-session), [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title), [`token-meter`](../packages/llm/token-meter), [`tui`](../packages/ui/tui), [`workspace-context`](../packages/context/workspace-context) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index 7ba4a3be2b..43218c047a 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -390,7 +390,7 @@ Source: [`packages/sandbox/sandbox-policy/src/session-mode.ts:34`](../packages/s Types: [SessionTitleEventData](core-data-structures/session-title.md) -Source: [`packages/session-title/session-title/src/index.ts:89`](../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:90`](../packages/session-title/session-title/src/index.ts) #### `session/title-llm-request` — log-only diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index c02c5777b9..1e7baabe24 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -481,7 +481,7 @@ export const SERVICE_API: readonly ServiceApiEntry[] = [ }, { signature: 'async refresh(session: Session, signal?: AbortSignal): Promise', - jsDoc: '/**\n * Explicitly retry the registered provider, or materialize the built-in\n * fallback when no provider is registered.\n * @param session - exact live session to refresh.\n * @param signal - optional caller cancellation.\n * @returns latest accepted title, or `undefined` when no eligible text exists.\n */', + jsDoc: '/**\n * Explicitly retry the registered provider, or materialize the built-in\n * fallback when no provider is registered.\n * @param session - exact live session to refresh.\n * @param signal - optional caller cancellation; an in-progress fallback append may finish durably before rejection.\n * @returns latest accepted title, or `undefined` when no eligible text exists.\n */', }, { signature: 'register(provider: SessionTitleProvider): () => Promise', diff --git a/packages/session-title/session-title/README.md b/packages/session-title/session-title/README.md index ba3c898ca9..f7862a7e9b 100644 --- a/packages/session-title/session-title/README.md +++ b/packages/session-title/session-title/README.md @@ -7,10 +7,10 @@ Only text blocks from human `user/message` events are eligible. The first eligib ## Service: `SessionTitleService` (ctx key: `sessionTitle`) - `get(session)` folds the latest accepted title from a live or replayed log. -- `refresh(session, signal?)` materializes the fallback when needed, then explicitly runs the registered provider over the current eligible messages. Provider errors and caller cancellation reject. +- `refresh(session, signal?)` materializes the fallback when needed, then explicitly runs the registered provider over the current eligible messages. Provider errors and caller cancellation reject; cancellation does not roll back a fallback append already entering durability. - `register(provider)` installs the sole optional provider and returns its awaitable Cordis effect disposer. A second registration throws immediately; disposal aborts pending and active calls, waits for their settlement, and only then permits another provider to register. -Automatic work never delays the main agent response. A provider starts after the matching `request/header` records the main request's exact route; its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits, so only the newest call may reach the provider. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. +Automatic work never delays the main agent response. A provider starts only after a loop-built request's exact route matches the current logged `request/header`, including when the unchanged header needs no new snapshot. Its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits, so only the newest call may reach the provider. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. Forks inherit title events in their seed unchanged. The first-message cadence does not automatically retitle a child; the all-messages cadence may append a new revision after the child receives a later human prompt. diff --git a/packages/session-title/session-title/src/index.ts b/packages/session-title/session-title/src/index.ts index 757dea356d..3741b05a16 100644 --- a/packages/session-title/session-title/src/index.ts +++ b/packages/session-title/session-title/src/index.ts @@ -7,6 +7,7 @@ import { Context, FiberState, Service, type Fiber } from 'cordis' import z from 'schemastery' import type { Branded } from '@deepseek-ai/dsh-brand' import { deepFreeze } from '@deepseek-ai/dsh-llm' +import type { GenerateOptions } from '@deepseek-ai/dsh-llm' import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' import { fallbackSessionTitle, normalizeSessionTitle } from './normalize.ts' @@ -287,6 +288,10 @@ export class SessionTitleService extends Service { break } }) + ctx.on('llm/stream', (options, next) => { + this.onMainRequest(options) + return next() + }, { global: true, prepend: true }) ctx.on('session/disposed', (session) => { const state = this.work.get(session) if (state === undefined) return @@ -308,7 +313,7 @@ export class SessionTitleService extends Service { * Explicitly retry the registered provider, or materialize the built-in * fallback when no provider is registered. * @param session - exact live session to refresh. - * @param signal - optional caller cancellation. + * @param signal - optional caller cancellation; an in-progress fallback append may finish durably before rejection. * @returns latest accepted title, or `undefined` when no eligible text exists. */ async refresh(session: Session, signal?: AbortSignal): Promise { @@ -321,7 +326,9 @@ export class SessionTitleService extends Service { const messages = collectSessionTitleMessages(session.events) const latest = messages.at(-1) if (registration === undefined || registration.closing || latest === undefined) { - return this.ensureFallback(session) + const fallback = await this.ensureFallback(session) + signal?.throwIfAborted() + return fallback } const state = this.stateFor(session) const revision = this.supersede(state, 'explicit title refresh superseded older generation') @@ -399,11 +406,37 @@ export class SessionTitleService extends Service { const state = this.work.get(session) const pending = state?.pending if (state === undefined || pending === undefined || pending.throughSeq >= event.seq) return - delete state.pending const route = { provider: event.data.header.config.provider, model: event.data.header.config.model, } + this.startPending(session, state, pending, route) + } + + /** Start unchanged-route work from the frozen loop request after its header fold is current. */ + private onMainRequest(options: GenerateOptions): void { + if (!this.serviceActive() || options.sessionId === undefined || !Object.isFrozen(options)) return + const session = this.ctx.sessions.get(options.sessionId) + const state = session === undefined ? undefined : this.work.get(session) + const pending = state?.pending + if (session === undefined || state === undefined || pending === undefined) return + const boundary = session.events.findLast(event => event.type === 'step/start' || event.type === 'step/end') + const route = session.requestHeader()?.config + if (boundary?.type !== 'step/start' + || boundary.seq <= pending.throughSeq + || route?.provider !== options.provider + || route.model !== options.model) return + this.startPending(session, state, pending, { provider: options.provider, model: options.model }) + } + + /** Consume one pending revision and schedule its non-blocking provider call. */ + private startPending( + session: Session, + state: SessionTitleWorkState, + pending: PendingAutomaticWork, + route: SessionTitleModelProvenance, + ): void { + delete state.pending this.defer(async () => { if (this.registration !== pending.registration || pending.registration.closing diff --git a/packages/session-title/session-title/tests/provider.spec.ts b/packages/session-title/session-title/tests/provider.spec.ts index b29139f1e8..74a936cb94 100644 --- a/packages/session-title/session-title/tests/provider.spec.ts +++ b/packages/session-title/session-title/tests/provider.spec.ts @@ -1,5 +1,6 @@ import { Context } from 'cordis' import { describe, expect, it, vi } from 'vitest' +import LlmService, { deepFreeze } from '@deepseek-ai/dsh-llm' import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' import SessionTitleService, { SessionTitleProviderId, @@ -265,6 +266,95 @@ describe('SessionTitleService provider lifecycle', () => { expect(ctx.sessionTitle.get(session)?.title).toBe('Newest complete title') }) + it('runs an all-messages revision when the next main request reuses its logged header', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const requests: SessionTitleProviderRequest[] = [] + ctx.sessionTitle.register({ + id: SessionTitleProviderId('unchanged-route'), + automatic: 'all-user-messages', + async generate(request) { + requests.push(request) + return { + title: `Revision ${requests.length}`, + messageSeqs: request.messages.map(message => message.seq), + } + }, + }) + const session = ctx.sessions.create(SessionId('unchanged-route')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const first = appendHumanPrompt(session, 'First routed prompt') + await settle() + session.append('step/start', { turn: 1, step: 1 }) + appendRoute(session) + await settle() + session.append('step/end', { turn: 1, step: 1 }) + session.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + + session.append('turn/start', { + turn: 2, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const second = appendHumanPrompt(session, 'Second prompt on the same route') + await settle() + session.append('step/start', { turn: 2, step: 1 }) + void ctx.llm.stream(deepFreeze({ + provider: 'main-route', + model: 'chat-model', + messages: session.deriveMessages(), + sessionId: session.id, + })) + await settle() + + expect(session.events.filter(event => event.type === 'request/header')).toHaveLength(1) + expect(requests).toHaveLength(2) + expect(requests[1]).toMatchObject({ + messages: [ + { seq: first.seq, text: 'First routed prompt' }, + { seq: second.seq, text: 'Second prompt on the same route' }, + ], + route: { provider: 'main-route', model: 'chat-model' }, + }) + }) + + it('ignores model streams that are not a matching loop request', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SessionTitleService, CONFIG) + const generate = vi.fn(async (request: SessionTitleProviderRequest): Promise => ({ + title: 'Unexpected title', + messageSeqs: request.messages.map(message => message.seq), + })) + ctx.sessionTitle.register({ + id: SessionTitleProviderId('request-filter'), + automatic: 'all-user-messages', + generate, + }) + const options = { provider: 'main-route', model: 'chat-model', messages: [] } + + void ctx.llm.stream(deepFreeze(options)) + void ctx.llm.stream(deepFreeze({ ...options, sessionId: SessionId('missing') })) + const quiet = ctx.sessions.create(SessionId('quiet')) + void ctx.llm.stream(deepFreeze({ ...options, sessionId: quiet.id })) + const pending = ctx.sessions.create(SessionId('unmatched-boundary')) + pending.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + appendHumanPrompt(pending, 'Wait for a matching request boundary') + await settle() + void ctx.llm.stream(deepFreeze({ ...options, sessionId: pending.id })) + await settle() + + expect(generate).not.toHaveBeenCalled() + }) + it('contains automatic failures but lets explicit refresh reject', async () => { const ctx = new Context() await ctx.plugin(SessionStore) diff --git a/packages/session-title/session-title/tests/service-contracts.spec.ts b/packages/session-title/session-title/tests/service-contracts.spec.ts index b9a9851935..802fb70d5b 100644 --- a/packages/session-title/session-title/tests/service-contracts.spec.ts +++ b/packages/session-title/session-title/tests/service-contracts.spec.ts @@ -162,6 +162,37 @@ describe('SessionTitleService configuration and refresh boundaries', () => { expect(disposeSignal?.aborted).toBe(true) }) + it('rejects fallback refresh cancellation that arrives during durability flush', async () => { + const ctx = await setup() + const seed = new Session(SessionId('fallback-cancel-seed')) + seed.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const source = appendPrompt(seed, 'Persist this fallback despite caller cancellation') + seed.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + const session = ctx.sessions.create(SessionId('fallback-cancel'), { seed: seed.events }) + const flushStarted = deferred() + const releaseFlush = deferred() + ctx.on('session/flush', async (subject) => { + if (subject !== session) return + flushStarted.resolve(undefined) + await releaseFlush.promise + }) + const controller = new AbortController() + + const refresh = ctx.sessionTitle.refresh(session, controller.signal) + await flushStarted.promise + controller.abort(new Error('cancelled while fallback flushed')) + releaseFlush.resolve(undefined) + + await expect(refresh).rejects.toThrow('cancelled while fallback flushed') + expect(ctx.sessionTitle.get(session)).toMatchObject({ + messageSeqs: [source.seq], + source: { kind: 'fallback' }, + }) + }) + it('reserves overlapping refresh order before fallback durability settles', async () => { const ctx = new Context() await ctx.plugin(SessionStore) From 92e0d0e04ffc7f798e145c6f45656e561a5dda3c Mon Sep 17 00:00:00 2001 From: Turtle Date: Tue, 21 Jul 2026 13:52:00 +0800 Subject: [PATCH 18/28] refactor(paths): collapse harness home resolution into one resolver Delete @deepseek-ai/dsh-home and make dsh-paths the sole owner of the single-root harness home ($DSH_HOME || ~/.dsh). Migrate tool-bash, skill-local, and agent-spine-demo off dsh-home, and fold telemetry's divergent globalConfigDir onto the shared resolver, dropping its second XDG/APPDATA policy and the deepseek-harness namespace so the anonymous id lives under the harness home. Add dshHomeDisplay() for symbolic user-facing paths, replacing workspace-context's bespoke check. --- ...-24-single-harness-home-resolver.i18n.yaml | 6 +++ ...2026-07-24-single-harness-home-resolver.md | 41 ++++++++++++++++++ ...6-07-24-single-harness-home-resolver.zh.md | 41 ++++++++++++++++++ ...agent-session-identity-and-log-location.md | 4 +- docs/config-catalog.md | 1 - docs/module-graph.md | 17 ++++---- knip.json | 5 --- packages/bash/tool-bash/README.md | 2 +- packages/bash/tool-bash/package.json | 4 +- packages/bash/tool-bash/src/index.ts | 2 +- packages/bash/tool-bash/tsconfig.json | 2 +- .../context/workspace-context/src/files.ts | 4 +- packages/examples/agent-spine-demo/README.md | 2 +- .../examples/agent-spine-demo/package.json | 4 +- .../examples/agent-spine-demo/src/index.ts | 2 +- .../examples/agent-spine-demo/tsconfig.json | 2 +- packages/sdk/telemetry/README.md | 2 +- packages/sdk/telemetry/package.json | 2 + packages/sdk/telemetry/src/anonymous-id.ts | 38 +++++------------ .../sdk/telemetry/tests/anonymous-id.spec.ts | 42 +++++++------------ packages/sdk/telemetry/tsconfig.json | 3 +- packages/skill/skill-local/README.md | 2 +- packages/skill/skill-local/package.json | 4 +- packages/skill/skill-local/src/index.ts | 2 +- packages/skill/skill-local/tsconfig.json | 2 +- packages/util/README.md | 5 +-- packages/util/home/README.md | 21 ---------- packages/util/home/package.json | 30 ------------- packages/util/home/src/index.ts | 23 ---------- packages/util/home/tests/home.spec.ts | 26 ------------ packages/util/home/tsconfig.json | 9 ---- packages/util/paths/README.md | 4 ++ packages/util/paths/src/index.ts | 17 +++++++- packages/util/paths/tests/paths.spec.ts | 12 ++++-- pnpm-lock.yaml | 28 +++++-------- python/sdk-runtime/package.json | 1 - .../verify-package-readme-model-experience.ts | 1 - tsconfig.build.json | 1 - tsconfig.json | 1 - 39 files changed, 188 insertions(+), 227 deletions(-) create mode 100644 .agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml create mode 100644 .agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md create mode 100644 .agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md delete mode 100644 packages/util/home/README.md delete mode 100644 packages/util/home/package.json delete mode 100644 packages/util/home/src/index.ts delete mode 100644 packages/util/home/tests/home.spec.ts delete mode 100644 packages/util/home/tsconfig.json diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml new file mode 100644 index 0000000000..2dd6b4e934 --- /dev/null +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml @@ -0,0 +1,6 @@ +# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each +# side as of the last confirmed-consistent state. Both languages carry equal authority; +# after editing either side, bring the other along and re-record with: +# pnpm run verify-translation-pairing --write +2026-07-24-single-harness-home-resolver.md: ec733dedc812ac029fb8aace074c35b7c3ccb873 +2026-07-24-single-harness-home-resolver.zh.md: 61bdee119f6cb729f751c8a65b4360da5a259028 diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md new file mode 100644 index 0000000000..ec733dedc8 --- /dev/null +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md @@ -0,0 +1,41 @@ +# Agent Note: One harness home resolver + +Status: implemented + +English | [中文](2026-07-24-single-harness-home-resolver.zh.md) + +## Problem + +The harness had three inconsistent conventions for "where does DeepSeek Harness user data live": + +- `@deepseek-ai/dsh-home` resolved `configured ?? $DSH_HOME ?? ~/.dsh`. +- `@deepseek-ai/dsh-paths` shipped a **second** `resolveDshHome` with the same precedence plus tilde expansion — a near-duplicate of `dsh-home` that no gate flagged because the two lived in different packages and had already drifted (only one expanded tildes). +- `@deepseek-ai/dsh-telemetry`'s `globalConfigDir` used a *different* policy entirely: `DSH_CONFIG_HOME > $XDG_CONFIG_HOME/deepseek-harness > %APPDATA%/deepseek-harness > ~/.config/deepseek-harness`. + +So most of the product parked everything under one `~/.dsh` root while telemetry alone stored its anonymous id elsewhere, under a `deepseek-harness` namespace that contradicts the repo-wide `dsh` shorthand (`DSH_HOME`, `@deepseek-ai/dsh-*`, `~/.dsh`). Two resolvers plus a divergent third policy means no single home fact. + +## Decision + +One resolver owns the harness home, in `@deepseek-ai/dsh-paths`, single-root: + +``` +explicit configured path > $DSH_HOME > ~/.dsh +``` + +The harness keeps all user data under one root; there is no XDG config/data/cache split. `dshHomeDisplay()` names a resolved root symbolically for user-facing paths — `~/.dsh` for the default home, `$DSH_HOME` for any configured home — so the user-global `AGENTS.md` label never leaks an absolute machine path. It replaces workspace-context's bespoke default-vs-`$DSH_HOME` check. + +`@deepseek-ai/dsh-home` is deleted. Its three importers (`dsh-tool-bash`, `dsh-skill-local`, `dsh-agent-spine-demo`) now import `resolveDshHome` from `dsh-paths`. `dsh-telemetry`'s `globalConfigDir` delegates to `resolveDshHome`, dropping its second resolver, the `DSH_CONFIG_HOME` override, the XDG/`%APPDATA%` branches, and the `deepseek-harness` namespace; the anonymous id now lives directly under the harness home. + +## Alternatives considered + +**Leave the two `resolveDshHome` copies in place.** They had already drifted (one expands tildes, one didn't) and encode the same cross-cutting fact twice. Consolidation is the point of the `util/` layer; a duplicate resolver is a latent divergence bug. + +**Adopt XDG (honor `$XDG_CONFIG_HOME`, or split config/data/cache into separate trees).** Considered and dropped in favor of one obvious root. A single `$DSH_HOME || ~/.dsh` ground truth matches `~/.claude` / `~/.aws`, needs no per-kind reclassification of every `~/.dsh` consumer, and leaves no resolver asymmetry to reconcile. Telemetry aligning onto the same root — rather than keeping its own XDG path — is precisely the divergence this removes. + +**Keep telemetry's own config dir.** Its `deepseek-harness` namespace and separate XDG policy were the lone exception to the `dsh`/`~/.dsh` convention. Folding it onto the shared resolver is what makes "one home fact" true. + +## Consequences + +- One home fact, one resolver. `dsh-paths` is the sole owner; the `util/` group loses the `home` package. +- Telemetry's anonymous id moves from `~/.config/deepseek-harness/telemetry.json` to the harness home (`~/.dsh/telemetry.json` by default). Under the pre-release "backends reject old formats" stance this needs no migration: an orphaned old id simply regenerates once, and the id is anonymous by construction. +- Telemetry drops Windows `%APPDATA%` handling. `resolveDshHome` uses `os.homedir()`, which is correct on Windows; the harness does not special-case `%APPDATA%` for its single root. diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md new file mode 100644 index 0000000000..61bdee119f --- /dev/null +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md @@ -0,0 +1,41 @@ +# Agent Note：单一 harness home 解析器 + +Status: implemented + +[English](2026-07-24-single-harness-home-resolver.md) | 中文 + +## 问题 + +对于"DeepSeek Harness 用户数据存放在哪里"，harness 里存在三套互不一致的约定： + +- `@deepseek-ai/dsh-home` 按 `configured ?? $DSH_HOME ?? ~/.dsh` 解析。 +- `@deepseek-ai/dsh-paths` 又提供了**第二个** `resolveDshHome`，优先级相同但额外做了波浪号展开——它几乎是 `dsh-home` 的重复实现，却没有任何门禁发现，因为两者分属不同的包，而且早已漂移（只有一个会展开波浪号）。 +- `@deepseek-ai/dsh-telemetry` 的 `globalConfigDir` 采用了*完全不同*的策略：`DSH_CONFIG_HOME > $XDG_CONFIG_HOME/deepseek-harness > %APPDATA%/deepseek-harness > ~/.config/deepseek-harness`。 + +于是产品的大部分内容都停放在同一个 `~/.dsh` 根目录下，唯独 telemetry 把匿名 id 存到别处，落在一个 `deepseek-harness` 命名空间里，这与全仓库通行的 `dsh` 简写（`DSH_HOME`、`@deepseek-ai/dsh-*`、`~/.dsh`）相冲突。两个解析器再加上一个各行其是的第三套策略，意味着不存在单一的 home 事实。 + +## 决策 + +由一个解析器统一掌管 harness home，落在 `@deepseek-ai/dsh-paths`，采用单一根目录： + +``` +explicit configured path > $DSH_HOME > ~/.dsh +``` + +harness 把所有用户数据都放在同一个根目录下；不存在 XDG 的 config/data/cache 拆分。`dshHomeDisplay()` 为面向用户的路径以符号形式命名已解析的根目录——默认 home 显示为 `~/.dsh`，任何已配置的 home 显示为 `$DSH_HOME`——这样面向用户全局的 `AGENTS.md` 标签就绝不会泄露机器上的绝对路径。它取代了 workspace-context 中自定义的"默认值 vs `$DSH_HOME`"判断。 + +`@deepseek-ai/dsh-home` 被删除。它的三个引用方（`dsh-tool-bash`、`dsh-skill-local`、`dsh-agent-spine-demo`）现在从 `dsh-paths` 导入 `resolveDshHome`。`dsh-telemetry` 的 `globalConfigDir` 转而委托给 `resolveDshHome`，去掉了它的第二个解析器、`DSH_CONFIG_HOME` 覆盖项、XDG/`%APPDATA%` 分支以及 `deepseek-harness` 命名空间；匿名 id 现在直接存放在 harness home 之下。 + +## 备选方案 + +**保留两份 `resolveDshHome` 副本。** 它们早已漂移（一个展开波浪号，一个不展开），并把同一条横切事实编码了两遍。`util/` 层的意义正是在于合并，重复的解析器是一个潜在的分歧 bug。 + +**采用 XDG（遵从 `$XDG_CONFIG_HOME`，或把 config/data/cache 拆分到各自的目录树）。** 经过考虑后放弃，转而采用一个显而易见的根目录。单一的 `$DSH_HOME || ~/.dsh` 基准事实与 `~/.claude` / `~/.aws` 一致，无需对每个 `~/.dsh` 消费方按类别重新归类，也不留下任何需要协调的解析器不对称。telemetry 对齐到同一根目录——而不是保留自己的 XDG 路径——正是本决策所要消除的那种分歧。 + +**保留 telemetry 自己的 config 目录。** 它的 `deepseek-harness` 命名空间和独立的 XDG 策略是唯一违背 `dsh`/`~/.dsh` 约定的例外。把它折叠到共享解析器上，才让"单一 home 事实"成真。 + +## 影响 + +- 单一 home 事实，单一解析器。`dsh-paths` 是唯一归属方；`util/` 组失去了 `home` 包。 +- telemetry 的匿名 id 从 `~/.config/deepseek-harness/telemetry.json` 移到 harness home（默认为 `~/.dsh/telemetry.json`）。在预发布的"后端拒绝旧格式"立场下，这无需迁移：一个遗留的旧 id 只会重新生成一次，而且该 id 本就是匿名构造的。 +- telemetry 去掉了 Windows `%APPDATA%` 处理。`resolveDshHome` 使用 `os.homedir()`，这在 Windows 上是正确的；harness 不会为它的单一根目录对 `%APPDATA%` 做特殊处理。 diff --git a/.agents/notes/implemented/feature/2026-07-10-agent-session-identity-and-log-location.md b/.agents/notes/implemented/feature/2026-07-10-agent-session-identity-and-log-location.md index 988052fb2a..d4c5154ed2 100644 --- a/.agents/notes/implemented/feature/2026-07-10-agent-session-identity-and-log-location.md +++ b/.agents/notes/implemented/feature/2026-07-10-agent-session-identity-and-log-location.md @@ -31,7 +31,7 @@ The model-facing bash package owns a `ctx.bashEnv` registry. A contributor decla The registry rebuilds a trusted overlay for every foreground and background bash `ToolExecution`: -- `DSH_HOME` is always the absolute configured Harness home. The standalone [`@deepseek-ai/dsh-home`](../../../../packages/util/home/README.md) utility owns its precedence: explicit `dshHome`, then ambient `$DSH_HOME`, then `~/.dsh`. +- `DSH_HOME` is always the absolute configured Harness home. The standalone [`@deepseek-ai/dsh-paths`](../../../../packages/util/paths/README.md) utility owns its precedence: explicit `dshHome`, then ambient `$DSH_HOME`, then `~/.dsh`. - `DSH_SHELL=1` is always present and identifies a model bash child managed by DeepSeek Harness. - `DSH_SESSION_ID` is present when the execution has an agent and equals `agent.session.header.id`. - The built-in persistence translator contributes `DSH_SESSION_JSONL` only when `ctx.sessionPersistence.locate(header)` returns `kind: 'jsonl'`. @@ -54,7 +54,7 @@ A fresh session receives its id before the first turn, so its first bash call ca Resume reuses the loaded header and therefore the same id and location. Fork and spawn create new session ids and locations. Parent and child calls resolve from their own `ToolExecution.agent`; each command receives an immutable snapshot even when calls overlap. A persistence service replacement affects later collections because the translator queries `ctx.get('sessionPersistence')` at execution time; the registry itself is effect-scoped and HMR-safe. -`dshHome` is session-independent deployment context. Agent-core resolves one value through `@deepseek-ai/dsh-home` and routes it to both tool-bash and local skill discovery; standalone consumers call the same resolver. If top-level `dshHome` and `skills.local.dshHome` are both supplied and resolve differently, composition fails instead of exposing contradictory homes. Persistence may change independently without freezing its facts into the session prefix. +`dshHome` is session-independent deployment context. Agent-core resolves one value through `@deepseek-ai/dsh-paths` and routes it to both tool-bash and local skill discovery; standalone consumers call the same resolver. If top-level `dshHome` and `skills.local.dshHome` are both supplied and resolve differently, composition fails instead of exposing contradictory homes. Persistence may change independently without freezing its facts into the session prefix. ## Testing diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 5bc5657d2a..e98bf2f986 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -1619,7 +1619,6 @@ Imported as libraries by other packages; a `cordis.yml` cannot load them. - `@deepseek-ai/dsh-app-boot` ([`packages/ui/app-boot/src/index.ts`](../packages/ui/app-boot/src/index.ts)) - `@deepseek-ai/dsh-brand` ([`packages/util/brand/src/index.ts`](../packages/util/brand/src/index.ts)) - `@deepseek-ai/dsh-helper` ([`packages/sdk/helper/src/index.ts`](../packages/sdk/helper/src/index.ts)) -- `@deepseek-ai/dsh-home` ([`packages/util/home/src/index.ts`](../packages/util/home/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-jsonrpc-demo` ([`packages/examples/jsonrpc-demo/src/index.ts`](../packages/examples/jsonrpc-demo/src/index.ts)) - `@deepseek-ai/dsh-loader-smoke` ([`packages/support/loader-smoke/src/index.ts`](../packages/support/loader-smoke/src/index.ts)) diff --git a/docs/module-graph.md b/docs/module-graph.md index d28ba4ad6a..920353f0d4 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -9,7 +9,6 @@ Inter-package dependencies among the `@deepseek-ai/dsh-*` harness packages, deri flowchart TD subgraph group_util["packages/util"] pkg_brand["brand"] - pkg_home["home"] pkg_paths["paths"] pkg_retention["retention"] pkg_timeout["timeout"] @@ -167,6 +166,7 @@ flowchart TD pkg_helper --> pkg_brand pkg_scripts --> pkg_app_boot pkg_telemetry --> pkg_brand + pkg_telemetry --> pkg_paths pkg_llm_deepseek --> pkg_llm pkg_llm_deepseek --> pkg_timeout pkg_llm_pi_ai --> pkg_llm @@ -222,7 +222,7 @@ flowchart TD pkg_fs_local --> pkg_fs pkg_fs_policy --> pkg_fs pkg_skill_local --> pkg_fs - pkg_skill_local --> pkg_home + pkg_skill_local --> pkg_paths pkg_skill_local --> pkg_skill pkg_compact_basic --> pkg_agent pkg_compact_basic --> pkg_compact @@ -304,8 +304,8 @@ flowchart TD pkg_tool_goal --> pkg_tools pkg_tool_bash --> pkg_agent pkg_tool_bash --> pkg_bash - pkg_tool_bash --> pkg_home pkg_tool_bash --> pkg_llm + pkg_tool_bash --> pkg_paths pkg_tool_bash --> pkg_sandbox pkg_tool_bash --> pkg_sandbox_policy pkg_tool_bash --> pkg_session_persistence @@ -442,10 +442,10 @@ flowchart TD pkg_agent_spine_demo --> pkg_agent_loop pkg_agent_spine_demo --> pkg_goal pkg_agent_spine_demo --> pkg_goal_session - pkg_agent_spine_demo --> pkg_home pkg_agent_spine_demo --> pkg_invariants pkg_agent_spine_demo --> pkg_llm pkg_agent_spine_demo --> pkg_llm_retry + pkg_agent_spine_demo --> pkg_paths pkg_agent_spine_demo --> pkg_session pkg_agent_spine_demo --> pkg_skill pkg_agent_spine_demo --> pkg_skill_local @@ -512,7 +512,6 @@ flowchart TD | Package | Group | Depends on | | --- | --- | --- | | [`brand`](../packages/util/brand) | `util` | — | -| [`home`](../packages/util/home) | `util` | — | | [`paths`](../packages/util/paths) | `util` | — | | [`retention`](../packages/util/retention) | `util` | — | | [`timeout`](../packages/util/timeout) | `util` | — | @@ -528,7 +527,7 @@ flowchart TD | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | `code-runtime` | [`code-runtime`](../packages/code-runtime/code-runtime) | | [`helper`](../packages/sdk/helper) | `sdk` | [`brand`](../packages/util/brand) | | [`scripts`](../packages/sdk/scripts) | `sdk` | [`app-boot`](../packages/ui/app-boot) | -| [`telemetry`](../packages/sdk/telemetry) | `sdk` | [`brand`](../packages/util/brand) | +| [`telemetry`](../packages/sdk/telemetry) | `sdk` | [`brand`](../packages/util/brand), [`paths`](../packages/util/paths) | | [`llm-deepseek`](../packages/llm/llm-deepseek) | `llm` | [`llm`](../packages/llm/llm), [`timeout`](../packages/util/timeout) | | [`llm-pi-ai`](../packages/llm/llm-pi-ai) | `llm` | [`llm`](../packages/llm/llm), [`timeout`](../packages/util/timeout) | | [`session`](../packages/core/session) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope) | @@ -555,7 +554,7 @@ flowchart TD | [`bash-local`](../packages/bash/bash-local) | `bash` | [`bash`](../packages/bash/bash), [`timeout`](../packages/util/timeout) | | [`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), [`home`](../packages/util/home), [`skill`](../packages/skill/skill) | +| [`skill-local`](../packages/skill/skill-local) | `skill` | [`fs`](../packages/fs/fs), [`paths`](../packages/util/paths), [`skill`](../packages/skill/skill) | | [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`compact-tool-result-prune`](../packages/compact/compact-tool-result-prune), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`token-meter`](../packages/llm/token-meter) | | [`spill-local`](../packages/spill/spill-local) | `spill` | [`spill`](../packages/spill/spill) | | [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | @@ -577,7 +576,7 @@ flowchart TD | [`permission`](../packages/ui/permission) | `ui` | [`bash`](../packages/bash/bash), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session`](../packages/core/session), [`user-approval`](../packages/ui/user-approval) | | [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | | [`tool-goal`](../packages/goal/tool-goal) | `goal` | [`agent`](../packages/core/agent), [`goal`](../packages/goal/goal), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`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), [`home`](../packages/util/home), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) | +| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`paths`](../packages/util/paths), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`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), [`sandbox`](../packages/sandbox/sandbox), [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) | | [`tool-fs-search`](../packages/fs/tool-fs-search) | `fs` | [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`retention`](../packages/util/retention), [`session`](../packages/core/session), [`spill`](../packages/spill/spill), [`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) | @@ -602,7 +601,7 @@ flowchart TD | [`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), [`session-persistence`](../packages/session-persistence/session-persistence), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | | [`jsonrpc`](../packages/ui/jsonrpc) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`llm-deepseek`](../packages/llm/llm-deepseek), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent) | | [`tui`](../packages/ui/tui) | `ui` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`commands`](../packages/ui/commands), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`session`](../packages/core/session), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | -| [`agent-spine-demo`](../packages/examples/agent-spine-demo) | `examples` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`home`](../packages/util/home), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`session`](../packages/core/session), [`skill`](../packages/skill/skill), [`skill-local`](../packages/skill/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`tool-bash`](../packages/bash/tool-bash), [`tool-goal`](../packages/goal/tool-goal), [`tool-skill`](../packages/skill/tool-skill), [`tool-tasks`](../packages/tasks/tool-tasks), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) | +| [`agent-spine-demo`](../packages/examples/agent-spine-demo) | `examples` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`llm-retry`](../packages/llm/llm-retry), [`paths`](../packages/util/paths), [`session`](../packages/core/session), [`skill`](../packages/skill/skill), [`skill-local`](../packages/skill/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tasks`](../packages/tasks/tasks), [`tool-bash`](../packages/bash/tool-bash), [`tool-goal`](../packages/goal/tool-goal), [`tool-skill`](../packages/skill/tool-skill), [`tool-tasks`](../packages/tasks/tool-tasks), [`tools`](../packages/core/tools), [`workspace-context`](../packages/context/workspace-context) | | [`tool-ralph`](../packages/workflow/tool-ralph) | `workflow` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`system-prompt`](../packages/core/system-prompt), [`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), [`session`](../packages/core/session), [`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) | diff --git a/knip.json b/knip.json index 9cc4a658be..f5b8542c78 100644 --- a/knip.json +++ b/knip.json @@ -50,11 +50,6 @@ "project": ["src/**/*.ts"], "ignoreDependencies": ["cordis"] }, - "packages/util/home": { - "entry": ["tests/**/*.spec.ts"], - "project": ["src/**/*.ts", "tests/**/*.ts"], - "ignoreDependencies": ["cordis"] - }, "packages/util/timeout": { "entry": ["tests/**/*.spec.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"], diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md index 258967fad9..5e0ceb3826 100644 --- a/packages/bash/tool-bash/README.md +++ b/packages/bash/tool-bash/README.md @@ -26,7 +26,7 @@ The plugin also contributes the `tool:bash` prompt section (order 105): check th ### Managed shell environment -Every foreground and background model bash call receives a newly collected trusted `DSH_*` environment. `DSH_HOME` is the absolute Harness home resolved by [`@deepseek-ai/dsh-home`](../../util/home/README.md) (`dshHome` config, then ambient `$DSH_HOME`, then `~/.dsh`) and `DSH_SHELL=1` identifies the managed child. Agent calls additionally receive `DSH_SESSION_ID=agent.session.header.id`; when the active persistence seam locates a JSONL artifact they also receive `DSH_SESSION_JSONL=`. The JSONL path is a location hint: it may not exist before the first flush or contain the current buffered turn, and it is not an authorization credential. +Every foreground and background model bash call receives a newly collected trusted `DSH_*` environment. `DSH_HOME` is the absolute Harness home resolved by [`@deepseek-ai/dsh-paths`](../../util/paths/README.md) (`dshHome` config, then ambient `$DSH_HOME`, then `~/.dsh`) and `DSH_SHELL=1` identifies the managed child. Agent calls additionally receive `DSH_SESSION_ID=agent.session.header.id`; when the active persistence seam locates a JSONL artifact they also receive `DSH_SESSION_JSONL=`. The JSONL path is a location hint: it may not exist before the first flush or contain the current buffered turn, and it is not an authorization credential. `ctx.bashEnv` owns collection. Other plugins can register an effect-scoped contributor with a stable name, declared keys/descriptions, and `resolve(execution: ToolExecution)`; duplicate ownership and undeclared runtime keys fail loudly, while `list()` enumerates declarations without executing providers. Harness built-ins reserve `DSH_HOME`, `DSH_SHELL`, and `DSH_SESSION_ID`; tool-bash's persistence translator owns `DSH_SESSION_JSONL` by reading the backend-neutral `sessionPersistence.locate()` seam. diff --git a/packages/bash/tool-bash/package.json b/packages/bash/tool-bash/package.json index 1ce1103e48..c99ef4ce0c 100644 --- a/packages/bash/tool-bash/package.json +++ b/packages/bash/tool-bash/package.json @@ -24,8 +24,8 @@ "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", "@deepseek-ai/dsh-bash": "^0.0.1", - "@deepseek-ai/dsh-home": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-paths": "^0.0.1", "@deepseek-ai/dsh-session-persistence": "^0.0.1", "@deepseek-ai/dsh-sandbox": "^0.0.1", "@deepseek-ai/dsh-sandbox-policy": "^0.0.1", @@ -45,8 +45,8 @@ "@deepseek-ai/dsh-user-approval": "workspace:^", "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", - "@deepseek-ai/dsh-home": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-paths": "workspace:^", "@deepseek-ai/dsh-sandbox": "workspace:^", "@deepseek-ai/dsh-sandbox-policy": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index 0feec1729a..ab1627fbfd 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -23,7 +23,7 @@ import { ESCALATION_TARGETS, approveEscalation, validateEscalationArgs } from '@ import { effectiveSandboxMode } from '@deepseek-ai/dsh-sandbox-policy' import { DSH_ENV_PREFIX } from '@deepseek-ai/dsh-bash' import type { DshEnvironment, DshEnvironmentKey } from '@deepseek-ai/dsh-bash' -import { DSH_HOME_ENV, resolveDshHome } from '@deepseek-ai/dsh-home' +import { DSH_HOME_ENV, resolveDshHome } from '@deepseek-ai/dsh-paths' import { processOutcome } from './background.ts' import { parseExitStatus, renderProcessRead, renderResult } from './render.ts' diff --git a/packages/bash/tool-bash/tsconfig.json b/packages/bash/tool-bash/tsconfig.json index c17b10ab8d..8513943ae0 100644 --- a/packages/bash/tool-bash/tsconfig.json +++ b/packages/bash/tool-bash/tsconfig.json @@ -33,7 +33,7 @@ "path": "../../bash/bash" }, { - "path": "../../util/home" + "path": "../../util/paths" }, { "path": "../../tasks/tasks" diff --git a/packages/context/workspace-context/src/files.ts b/packages/context/workspace-context/src/files.ts index feb6304b4c..7a995c5886 100644 --- a/packages/context/workspace-context/src/files.ts +++ b/packages/context/workspace-context/src/files.ts @@ -9,7 +9,7 @@ import { lstat, stat } from 'node:fs/promises' import { dirname, isAbsolute, join, relative, resolve } from 'node:path' import type { FileSystem, FsInfo, FsPathInfo, FsTarget, FsVersion } from '@deepseek-ai/dsh-fs' import { assertNever } from '@deepseek-ai/dsh-llm' -import { DEFAULT_DSH_HOME_DISPLAY, defaultDshHome } from '@deepseek-ai/dsh-paths' +import { dshHomeDisplay } from '@deepseek-ai/dsh-paths' import { resolveConfig, resolveDiscoveryConfig, type ResolvedConfig } from './config.ts' import { renderWorkspaceContext, type RenderedWorkspaceContext } from './render.ts' @@ -469,5 +469,5 @@ export async function readScopeInstruction( } function userGlobalDisplayPath(dshHome: string): string { - return dshHome === resolve(defaultDshHome()) ? `${DEFAULT_DSH_HOME_DISPLAY}/AGENTS.md` : '$DSH_HOME/AGENTS.md' + return `${dshHomeDisplay(dshHome)}/AGENTS.md` } diff --git a/packages/examples/agent-spine-demo/README.md b/packages/examples/agent-spine-demo/README.md index 4b271ccfbc..55e6511fd1 100644 --- a/packages/examples/agent-spine-demo/README.md +++ b/packages/examples/agent-spine-demo/README.md @@ -50,7 +50,7 @@ import type { Config } from '@deepseek-ai/dsh-agent-spine-demo' // workspaceContext requires { maxBytes } or false; the other owner schemas supply defaults. ``` -The bundle FORWARDS each field to the child that owns it: `agents` and `maxParallelToolCalls` to `agent-loop` (`agents` defaults to `[]`; the cap defaults there), so each app supplies its own pre-created agents — TUI and headless apps pre-create `main`, while the ACP app creates agents on demand at `session/new`; `llmRetry` to the bounded retry policy; `persona` and `toolOrder` to `dsh-system-prompt`; `tools` to the tool registry for its presentation mode; `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer; the required `workspaceContext` choice to `dsh-workspace-context` (`{ maxBytes }` enables loading and `false` disables it); and `toolBash`/`toolTasks` to the two model-facing tool plugins the bundle owns. A `goals` object opts into the persisted domain, model tools, and same-session driver while forwarding `goals.domain` and `goals.tool` to their owners; omission or `false` leaves the stack absent so headless callers retain one-turn settlement. Set `skills.enabled: false` to omit both the local provider and model-facing skill tool, and set `toolTasks: false` to retain the task service for foreground producers without exposing `task_output` / `task_list` / `task_kill`. It resolves `dshHome` once through [`@deepseek-ai/dsh-home`](../../util/home/README.md) and forwards that absolute value to tool-bash's managed environment and enabled local skill discovery. An absent top-level `dshHome` adopts `skills.local.dshHome`; supplying both with different resolved paths fails loudly. `toolBash.enableRunInBackground` controls only the bash producer; independently loaded producers keep their own config. Workspace instructions register before the skill catalog so their session-prefix message renders first. App packages use `pickSpineConfig()` to copy only these bundle-owned fields. +The bundle FORWARDS each field to the child that owns it: `agents` and `maxParallelToolCalls` to `agent-loop` (`agents` defaults to `[]`; the cap defaults there), so each app supplies its own pre-created agents — TUI and headless apps pre-create `main`, while the ACP app creates agents on demand at `session/new`; `llmRetry` to the bounded retry policy; `persona` and `toolOrder` to `dsh-system-prompt`; `tools` to the tool registry for its presentation mode; `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer; the required `workspaceContext` choice to `dsh-workspace-context` (`{ maxBytes }` enables loading and `false` disables it); and `toolBash`/`toolTasks` to the two model-facing tool plugins the bundle owns. A `goals` object opts into the persisted domain, model tools, and same-session driver while forwarding `goals.domain` and `goals.tool` to their owners; omission or `false` leaves the stack absent so headless callers retain one-turn settlement. Set `skills.enabled: false` to omit both the local provider and model-facing skill tool, and set `toolTasks: false` to retain the task service for foreground producers without exposing `task_output` / `task_list` / `task_kill`. It resolves `dshHome` once through [`@deepseek-ai/dsh-paths`](../../util/paths/README.md) and forwards that absolute value to tool-bash's managed environment and enabled local skill discovery. An absent top-level `dshHome` adopts `skills.local.dshHome`; supplying both with different resolved paths fails loudly. `toolBash.enableRunInBackground` controls only the bash producer; independently loaded producers keep their own config. Workspace instructions register before the skill catalog so their session-prefix message renders first. App packages use `pickSpineConfig()` to copy only these bundle-owned fields. ## Why a code bundle, not a shared YAML include diff --git a/packages/examples/agent-spine-demo/package.json b/packages/examples/agent-spine-demo/package.json index caac8c051b..ea547eb330 100644 --- a/packages/examples/agent-spine-demo/package.json +++ b/packages/examples/agent-spine-demo/package.json @@ -28,8 +28,8 @@ "@deepseek-ai/dsh-goal": "^0.0.1", "@deepseek-ai/dsh-goal-session": "^0.0.1", "@deepseek-ai/dsh-invariants": "^0.0.1", - "@deepseek-ai/dsh-home": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-paths": "^0.0.1", "@deepseek-ai/dsh-llm-retry": "^0.0.1", "@deepseek-ai/dsh-workspace-context": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", @@ -52,8 +52,8 @@ "@deepseek-ai/dsh-goal-session": "workspace:^", "@deepseek-ai/dsh-fs-local": "workspace:^", "@deepseek-ai/dsh-invariants": "workspace:^", - "@deepseek-ai/dsh-home": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-paths": "workspace:^", "@deepseek-ai/dsh-llm-retry": "workspace:^", "@deepseek-ai/dsh-workspace-context": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", diff --git a/packages/examples/agent-spine-demo/src/index.ts b/packages/examples/agent-spine-demo/src/index.ts index b4724ac607..db01895184 100644 --- a/packages/examples/agent-spine-demo/src/index.ts +++ b/packages/examples/agent-spine-demo/src/index.ts @@ -29,7 +29,7 @@ import * as toolSkill from '@deepseek-ai/dsh-tool-skill' import * as toolTasks from '@deepseek-ai/dsh-tool-tasks' import AgentLoop, { type Config as AgentLoopConfig } from '@deepseek-ai/dsh-agent-loop' import * as llmRetry from '@deepseek-ai/dsh-llm-retry' -import { resolveDshHome } from '@deepseek-ai/dsh-home' +import { resolveDshHome } from '@deepseek-ai/dsh-paths' export const name = 'agent-spine-demo' diff --git a/packages/examples/agent-spine-demo/tsconfig.json b/packages/examples/agent-spine-demo/tsconfig.json index 6938f422b9..050f8bc44c 100644 --- a/packages/examples/agent-spine-demo/tsconfig.json +++ b/packages/examples/agent-spine-demo/tsconfig.json @@ -63,7 +63,7 @@ "path": "../../support/invariants" }, { - "path": "../../util/home" + "path": "../../util/paths" }, { "path": "../../bash/tool-bash" diff --git a/packages/sdk/telemetry/README.md b/packages/sdk/telemetry/README.md index 01a2ee6c2d..fd3573af86 100644 --- a/packages/sdk/telemetry/README.md +++ b/packages/sdk/telemetry/README.md @@ -7,7 +7,7 @@ Launcher-side telemetry primitives for the dsh-sdk toolchain. This is a plain li | `SecretRedactor` | Conservative safety backstop: replaces secret-shaped values (secret-like keys, known token shapes, PEM blocks, URL credentials, high-entropy opaque tokens) with a placeholder in both parsed values (`redactValue`) and raw text (`redactText`). Never drops a field or line. | | `ConsentResolver` | Parses (never boots) a project `cordis.yml` and reads the telemetry entry's enabled/disabled state as consent; `DO_NOT_TRACK`/CI env force a hard opt-out. | | `buildTelemetryPayload` | Assembles `{command, durationMs, success, cordisYmlContent, packageJsonContent}`, running the redactor over the full `cordis.yml` and `package.json` text. Never reads `.env`; `package.json` ships only alongside a `cordis.yml`, so a command run in a non-SDK directory never uploads that directory's unrelated manifest. | -| `getOrCreateAnonymousId` | Random UUID persisted in a per-user GLOBAL config file (never in the project, never derived from git). | +| `getOrCreateAnonymousId` | Random UUID persisted in the per-user harness home resolved by [`@deepseek-ai/dsh-paths`](../../util/paths/README.md) (never in the project, never derived from git). | | `TelemetryReporter` | Fire-and-forget send: `report()` never blocks or throws; delivery resolves on every path; `flush()` optionally drains in-flight sends within a cap. | Consent is carried by the telemetry entry in `cordis.yml`, so disabling telemetry is disabling that entry. Telemetry reports by default and is off only when a present telemetry entry is explicitly `disabled`: a missing `cordis.yml` (first `create`), an enabled entry, or a `cordis.yml` with no telemetry entry all report. `DO_NOT_TRACK`/CI always deny. The no-config and absent-entry defaults are configurable on `ConsentResolver`. diff --git a/packages/sdk/telemetry/package.json b/packages/sdk/telemetry/package.json index fcb6efb797..231ccb1695 100644 --- a/packages/sdk/telemetry/package.json +++ b/packages/sdk/telemetry/package.json @@ -26,10 +26,12 @@ }, "peerDependencies": { "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-paths": "^0.0.1", "cordis": "^4.0.0-rc.7" }, "devDependencies": { "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-paths": "workspace:^", "cordis": "^4.0.0-rc.7" } } diff --git a/packages/sdk/telemetry/src/anonymous-id.ts b/packages/sdk/telemetry/src/anonymous-id.ts index 030fefa19f..90d7516282 100644 --- a/packages/sdk/telemetry/src/anonymous-id.ts +++ b/packages/sdk/telemetry/src/anonymous-id.ts @@ -1,7 +1,7 @@ /** * Per-machine anonymous telemetry id. * - * The id is a random UUID persisted in a per-user GLOBAL config file — never in + * The id is a random UUID persisted in the per-user harness home — never in * the project, and never derived from the git remote, repository URL, or any * other identifying source (a derived id would make "anonymous" a fiction). The * same id is reused across projects on one machine so telemetry counts machines, @@ -12,52 +12,36 @@ import { randomUUID } from 'node:crypto' import { mkdir, readFile, writeFile } from 'node:fs/promises' -import { homedir } from 'node:os' import { dirname, join } from 'node:path' import type { Branded } from '@deepseek-ai/dsh-brand' +import { resolveDshHome } from '@deepseek-ai/dsh-paths' /** A machine-scoped anonymous telemetry id (random UUID v4). */ export type AnonymousId = Branded<'AnonymousId'> -/** Config directory name owned by the DeepSeek Harness across tools. */ -const CONFIG_NAMESPACE = 'deepseek-harness' - -/** Default file, inside the global config dir, storing the anonymous id. */ +/** Default file, inside the harness home, storing the anonymous id. */ export const ANONYMOUS_ID_FILE_NAME = 'telemetry.json' const UUID_PATTERN = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i /** Ambient seams for locating and generating the id; every field has a default. */ export interface AnonymousIdOptions { - /** Environment consulted for `DSH_CONFIG_HOME`/`XDG_CONFIG_HOME`/`APPDATA`; defaults to `process.env`. */ + /** Environment consulted for `DSH_HOME`; defaults to `process.env`. */ env?: NodeJS.ProcessEnv - /** Platform string used to pick the Windows path; defaults to `process.platform`. */ - platform?: NodeJS.Platform - /** Home directory resolver; defaults to `os.homedir`. */ - homeDir?: () => string /** UUID generator; defaults to `crypto.randomUUID` (test seam). */ randomUUID?: () => string } /** - * Resolve the per-user global config directory for harness tooling. - * Precedence: `DSH_CONFIG_HOME` (explicit override) > `XDG_CONFIG_HOME` > - * platform default (`%APPDATA%` on Windows, else `~/.config`). - * @param options - environment, platform, and home-directory seams. - * @returns absolute config directory path for the harness namespace. + * Resolve the single-root harness home that stores the anonymous id. + * Delegates to {@link resolveDshHome} so telemetry shares the harness's one + * home-resolution policy (`DSH_HOME` > `~/.dsh`) instead of maintaining a + * second config-directory convention. + * @param options - environment seam. + * @returns absolute harness home path. */ export function globalConfigDir(options: AnonymousIdOptions = {}): string { - const env = options.env ?? process.env - const platform = options.platform ?? process.platform - const home = options.homeDir ?? homedir - if (env.DSH_CONFIG_HOME !== undefined && env.DSH_CONFIG_HOME.length > 0) return env.DSH_CONFIG_HOME - if (env.XDG_CONFIG_HOME !== undefined && env.XDG_CONFIG_HOME.length > 0) { - return join(env.XDG_CONFIG_HOME, CONFIG_NAMESPACE) - } - if (platform === 'win32' && env.APPDATA !== undefined && env.APPDATA.length > 0) { - return join(env.APPDATA, CONFIG_NAMESPACE) - } - return join(home(), '.config', CONFIG_NAMESPACE) + return resolveDshHome(undefined, options.env ?? process.env) } /** Read a valid persisted id from the store, or `undefined` when absent/corrupt. */ diff --git a/packages/sdk/telemetry/tests/anonymous-id.spec.ts b/packages/sdk/telemetry/tests/anonymous-id.spec.ts index df8bcffea2..9f2ab8f41e 100644 --- a/packages/sdk/telemetry/tests/anonymous-id.spec.ts +++ b/packages/sdk/telemetry/tests/anonymous-id.spec.ts @@ -1,6 +1,7 @@ import { mkdtemp, readFile, rm, writeFile } from 'node:fs/promises' import { tmpdir } from 'node:os' -import { join } from 'node:path' +import { join, resolve } from 'node:path' +import { defaultDshHome } from '@deepseek-ai/dsh-paths' import { afterEach, describe, expect, it } from 'vitest' import { ANONYMOUS_ID_FILE_NAME, @@ -23,37 +24,24 @@ afterEach(async () => { const UUID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i describe('globalConfigDir', () => { - it('prefers an explicit DSH_CONFIG_HOME override', () => { - expect(globalConfigDir({ env: { DSH_CONFIG_HOME: '/custom/dsh' } })).toBe('/custom/dsh') + it('prefers an explicit DSH_HOME override', () => { + expect(globalConfigDir({ env: { DSH_HOME: '/custom/dsh' } })).toBe('/custom/dsh') }) - it('falls back to XDG_CONFIG_HOME under the harness namespace', () => { - expect(globalConfigDir({ env: { XDG_CONFIG_HOME: '/xdg' } })).toBe(join('/xdg', 'deepseek-harness')) - }) - - it('uses %APPDATA% on Windows', () => { - expect(globalConfigDir({ env: { APPDATA: 'C:/Users/x/AppData/Roaming' }, platform: 'win32' })) - .toBe(join('C:/Users/x/AppData/Roaming', 'deepseek-harness')) - }) - - it('falls back to ~/.config on Windows without APPDATA and on posix', () => { - const home = () => '/home/dev' - expect(globalConfigDir({ env: {}, platform: 'win32', homeDir: home })) - .toBe(join('/home/dev', '.config', 'deepseek-harness')) - expect(globalConfigDir({ env: {}, platform: 'linux', homeDir: home })) - .toBe(join('/home/dev', '.config', 'deepseek-harness')) + it('falls back to ~/.dsh when DSH_HOME is unset', () => { + expect(globalConfigDir({ env: {} })).toBe(resolve(defaultDshHome())) }) it('reads process.env by default', () => { // No override supplied: the call must not throw and must return an absolute path. - expect(globalConfigDir()).toContain('deepseek-harness') + expect(globalConfigDir()).toContain('.dsh') }) }) describe('getOrCreateAnonymousId', () => { it('creates, persists, and returns a UUID on first use', async () => { const dir = await tempDir() - const id = await getOrCreateAnonymousId({ env: { DSH_CONFIG_HOME: dir } }) + const id = await getOrCreateAnonymousId({ env: { DSH_HOME: dir } }) expect(id).toMatch(UUID) const stored: unknown = JSON.parse(await readFile(join(dir, ANONYMOUS_ID_FILE_NAME), 'utf8')) expect(stored).toEqual({ anonymousId: id }) @@ -61,15 +49,15 @@ describe('getOrCreateAnonymousId', () => { it('returns the same persisted id on subsequent calls', async () => { const dir = await tempDir() - const first = await getOrCreateAnonymousId({ env: { DSH_CONFIG_HOME: dir } }) - const second = await getOrCreateAnonymousId({ env: { DSH_CONFIG_HOME: dir } }) + const first = await getOrCreateAnonymousId({ env: { DSH_HOME: dir } }) + const second = await getOrCreateAnonymousId({ env: { DSH_HOME: dir } }) expect(second).toBe(first) }) it('uses the injected UUID generator', async () => { const dir = await tempDir() const id = await getOrCreateAnonymousId({ - env: { DSH_CONFIG_HOME: dir }, + env: { DSH_HOME: dir }, randomUUID: () => '00000000-0000-4000-8000-000000000000', }) expect(id).toBe('00000000-0000-4000-8000-000000000000') @@ -78,23 +66,23 @@ describe('getOrCreateAnonymousId', () => { it('regenerates when the stored file is corrupt JSON', async () => { const dir = await tempDir() await writeFile(join(dir, ANONYMOUS_ID_FILE_NAME), 'not json', 'utf8') - const id = await getOrCreateAnonymousId({ env: { DSH_CONFIG_HOME: dir } }) + const id = await getOrCreateAnonymousId({ env: { DSH_HOME: dir } }) expect(id).toMatch(UUID) }) it('regenerates when the stored value is not a valid UUID or object', async () => { const dir = await tempDir() await writeFile(join(dir, ANONYMOUS_ID_FILE_NAME), JSON.stringify({ anonymousId: 'nope' }), 'utf8') - expect(await getOrCreateAnonymousId({ env: { DSH_CONFIG_HOME: dir } })).toMatch(UUID) + expect(await getOrCreateAnonymousId({ env: { DSH_HOME: dir } })).toMatch(UUID) await writeFile(join(dir, ANONYMOUS_ID_FILE_NAME), '123', 'utf8') - expect(await getOrCreateAnonymousId({ env: { DSH_CONFIG_HOME: dir } })).toMatch(UUID) + expect(await getOrCreateAnonymousId({ env: { DSH_HOME: dir } })).toMatch(UUID) }) it('returns a usable id even when persistence fails', async () => { const dir = await tempDir() // A regular file where a directory is expected makes mkdir/writeFile fail. await writeFile(join(dir, 'blocker'), 'x', 'utf8') - const id = await getOrCreateAnonymousId({ env: { DSH_CONFIG_HOME: join(dir, 'blocker') } }) + const id = await getOrCreateAnonymousId({ env: { DSH_HOME: join(dir, 'blocker') } }) expect(id).toMatch(UUID) }) }) diff --git a/packages/sdk/telemetry/tsconfig.json b/packages/sdk/telemetry/tsconfig.json index 8acc8f11c5..fccc189743 100644 --- a/packages/sdk/telemetry/tsconfig.json +++ b/packages/sdk/telemetry/tsconfig.json @@ -8,6 +8,7 @@ "src" ], "references": [ - { "path": "../../util/brand" } + { "path": "../../util/brand" }, + { "path": "../../util/paths" } ] } diff --git a/packages/skill/skill-local/README.md b/packages/skill/skill-local/README.md index 69abe82ec8..5abc155103 100644 --- a/packages/skill/skill-local/README.md +++ b/packages/skill/skill-local/README.md @@ -12,7 +12,7 @@ Requires `ctx.skills` (`inject: ['skills']`). | Field | Default | Meaning | |---|---|---| -| `dshHome` | `$DSH_HOME` or `~/.dsh` | DeepSeek Harness config root resolved by [`@deepseek-ai/dsh-home`](../../util/home/README.md); scans `skills` under this directory. | +| `dshHome` | `$DSH_HOME` or `~/.dsh` | DeepSeek Harness config root resolved by [`@deepseek-ai/dsh-paths`](../../util/paths/README.md); 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. | diff --git a/packages/skill/skill-local/package.json b/packages/skill/skill-local/package.json index d490438c51..00161bd92f 100644 --- a/packages/skill/skill-local/package.json +++ b/packages/skill/skill-local/package.json @@ -23,7 +23,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-fs": "^0.0.1", - "@deepseek-ai/dsh-home": "^0.0.1", + "@deepseek-ai/dsh-paths": "^0.0.1", "@deepseek-ai/dsh-skill": "^0.0.1", "cordis": "^4.0.0-rc.7" }, @@ -33,7 +33,7 @@ }, "devDependencies": { "@deepseek-ai/dsh-fs": "workspace:^", - "@deepseek-ai/dsh-home": "workspace:^", + "@deepseek-ai/dsh-paths": "workspace:^", "@deepseek-ai/dsh-skill": "workspace:^", "cordis": "^4.0.0-rc.7" } diff --git a/packages/skill/skill-local/src/index.ts b/packages/skill/skill-local/src/index.ts index ee109fbb16..90e378f8fe 100644 --- a/packages/skill/skill-local/src/index.ts +++ b/packages/skill/skill-local/src/index.ts @@ -17,7 +17,7 @@ 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 { resolveDshHome } from '@deepseek-ai/dsh-home' +import { resolveDshHome } from '@deepseek-ai/dsh-paths' import { isSkillName, type SkillCandidate, diff --git a/packages/skill/skill-local/tsconfig.json b/packages/skill/skill-local/tsconfig.json index f51147abce..aa5ef18325 100644 --- a/packages/skill/skill-local/tsconfig.json +++ b/packages/skill/skill-local/tsconfig.json @@ -9,8 +9,8 @@ { "path": "../../../vendor/cosmokit" }, { "path": "../../../vendor/cordis" }, { "path": "../../../vendor/schemastery" }, - { "path": "../../util/home" }, { "path": "../../fs/fs" }, + { "path": "../../util/paths" }, { "path": "../skill" } ] } diff --git a/packages/util/README.md b/packages/util/README.md index 954026c99c..5a9f626de5 100644 --- a/packages/util/README.md +++ b/packages/util/README.md @@ -5,14 +5,13 @@ Zero-dependency primitives shared across the other groups. A package lands here | Package | Role | |---|---| | `brand/` | The type-only `Branded` nominal-typing primitive (no runtime code, no harness deps) | -| `home/` | Canonical `DSH_HOME` resolution from explicit config, environment, or `~/.dsh` (no harness deps) | -| `paths/` | Shared filesystem path constants and helpers for harness user data | +| `paths/` | Canonical single-root `DSH_HOME` resolution plus shared filesystem path constants and helpers for harness user data (no harness deps) | | `timeout/` | The timing/classification half of a timeout — `clampTimeout`/`deadline`/`timeoutOf`/`TimeoutReason` (pure functions, no harness deps); termination stays in each capability | | `retention/` | Bounded model-facing output — `ItemRetainer`/`TextRetainer` + neutral notice helpers (pure, no harness deps); business semantics stay in each tool | `dsh-brand` is the canonical case: it owns ONLY the `Branded` helper, so a capability package can brand the ids it owns (`dsh-tasks`'s `TaskId`, `dsh-session`'s `SessionId`, …) by depending on `dsh-brand` alone, without pulling in an unrelated package just to reach `Branded`. -`dsh-home` gives every package the same configurable Harness home without assigning that cross-cutting fact to bash, skills, or a composition bundle. It resolves an explicit value before `$DSH_HOME`, falls back to `~/.dsh`, and returns an absolute path without caching, creating, or mutating anything. +`dsh-paths` gives every package the same configurable Harness home without assigning that cross-cutting fact to bash, skills, telemetry, or a composition bundle. It resolves an explicit value before `$DSH_HOME`, falls back to `~/.dsh`, and returns an absolute path without caching, creating, or mutating anything. The harness keeps all user data under one root. `dsh-timeout` follows the same shape for the timeout family: `dsh-bash` and `dsh-web-fetch-local` each fuse a caller's cancellation with a deadline and later classify "timed out" vs "cancelled" by depending on `dsh-timeout` alone. It deliberately owns only the timing/classification half — the *termination* (SIGKILL a process group, tear down a fetch socket) stays in each capability, because no shared layer can own every capability's kill (see [the timeout-library Agent Note](../../.agents/notes/implemented/architecture/2026-07-06-timeout-deadline-library.md)). diff --git a/packages/util/home/README.md b/packages/util/home/README.md deleted file mode 100644 index 876d05b3f1..0000000000 --- a/packages/util/home/README.md +++ /dev/null @@ -1,21 +0,0 @@ -# @deepseek-ai/dsh-home - -`@deepseek-ai/dsh-home` is the single owner of DeepSeek Harness home-directory resolution. `resolveDshHome(configured?)` returns an absolute path using this precedence: - -1. The explicit `configured` path. -2. The `DSH_HOME` environment variable. -3. The `.dsh` directory under the current user's home directory. - -The resolver reads its inputs at call time. It does not cache a result, create the directory, or mutate `process.env`; consumers keep ownership of their own configuration fields and pass the configured value when resolving the shared home. - -## Model Experience - -Indirectly, through `dsh-tool-bash`, which exposes the resolved path to model bash as `DSH_HOME` without adding a prompt section. - -#### KV Cache effect - -No direct invalidation; the named consumer owns any request-prefix changes. - -## Known Limitations and Deferred Work - -- **Resolution only** — the resolver makes a path absolute but does not create it, check access, or canonicalize symlinks; each consumer owns those filesystem decisions. diff --git a/packages/util/home/package.json b/packages/util/home/package.json deleted file mode 100644 index efeaf4832c..0000000000 --- a/packages/util/home/package.json +++ /dev/null @@ -1,30 +0,0 @@ -{ - "name": "@deepseek-ai/dsh-home", - "description": "Canonical DeepSeek Harness home-directory resolver", - "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/util/home/src/index.ts b/packages/util/home/src/index.ts deleted file mode 100644 index 4e3d56b54b..0000000000 --- a/packages/util/home/src/index.ts +++ /dev/null @@ -1,23 +0,0 @@ -/** - * Canonical DeepSeek Harness home-directory resolution. - * - * @module @deepseek-ai/dsh-home - */ - -import { homedir } from 'node:os' -import { join, resolve } from 'node:path' - -const DEFAULT_DSH_HOME_DIRNAME = '.dsh' - -/** Environment variable that overrides the default Harness home directory. */ -export const DSH_HOME_ENV = 'DSH_HOME' as const - -/** - * Resolve the DeepSeek Harness home directory without caching or mutating the environment. - * - * @param configured - Optional configured path, which takes precedence over the environment. - * @returns The absolute configured path, `$DSH_HOME`, or `~/.dsh`, in that order. - */ -export function resolveDshHome(configured?: string): string { - return resolve(configured ?? process.env[DSH_HOME_ENV] ?? join(homedir(), DEFAULT_DSH_HOME_DIRNAME)) -} diff --git a/packages/util/home/tests/home.spec.ts b/packages/util/home/tests/home.spec.ts deleted file mode 100644 index 3ebde50bee..0000000000 --- a/packages/util/home/tests/home.spec.ts +++ /dev/null @@ -1,26 +0,0 @@ -import { homedir } from 'node:os' -import { join, resolve } from 'node:path' -import { afterEach, describe, expect, it, vi } from 'vitest' -import { DSH_HOME_ENV, resolveDshHome } from '@deepseek-ai/dsh-home' - -afterEach(() => vi.unstubAllEnvs()) - -describe('resolveDshHome', () => { - it('prefers an explicit configured path and resolves it absolutely', () => { - vi.stubEnv(DSH_HOME_ENV, './environment-home') - - expect(resolveDshHome('./configured-home')).toBe(resolve('./configured-home')) - }) - - it('uses DSH_HOME when no configured path is supplied', () => { - vi.stubEnv(DSH_HOME_ENV, './environment-home') - - expect(resolveDshHome()).toBe(resolve('./environment-home')) - }) - - it('defaults to the .dsh directory under the user home', () => { - vi.stubEnv(DSH_HOME_ENV, undefined) - - expect(resolveDshHome()).toBe(join(homedir(), '.dsh')) - }) -}) diff --git a/packages/util/home/tsconfig.json b/packages/util/home/tsconfig.json deleted file mode 100644 index 9770ef25d6..0000000000 --- a/packages/util/home/tsconfig.json +++ /dev/null @@ -1,9 +0,0 @@ -{ - "extends": "../../../tsconfig.base.json", - "compilerOptions": { - "rootDir": "src", - "outDir": "lib/types" - }, - "include": ["src"], - "references": [] -} diff --git a/packages/util/paths/README.md b/packages/util/paths/README.md index 2668e679b6..3691417289 100644 --- a/packages/util/paths/README.md +++ b/packages/util/paths/README.md @@ -4,6 +4,10 @@ Shared filesystem path helpers for DeepSeek Harness user data. ## DSH home +`resolveDshHome()` resolves the single-root DeepSeek Harness home. Precedence, highest first: an explicit configured path, `$DSH_HOME`, then `~/.dsh`. The harness keeps all user data under one root. + +`dshHomeDisplay()` names an active root symbolically for user-facing paths: `~/.dsh` for the default home, `$DSH_HOME` for any configured home. It never leaks an absolute machine path. + `DSH_HOME_DIR_NAME` owns the default user-data directory name: `.dsh`. `defaultDshHome()` returns the default DeepSeek Harness home by joining the operating-system home directory with `.dsh`, using Node's platform path rules. diff --git a/packages/util/paths/src/index.ts b/packages/util/paths/src/index.ts index 89e188cedd..41c07cabe1 100644 --- a/packages/util/paths/src/index.ts +++ b/packages/util/paths/src/index.ts @@ -36,7 +36,10 @@ export function expandHomePath(path: string): string { } /** - * Resolve an explicitly configured, environment-selected, or default DSH home. + * Resolve the single-root DeepSeek Harness home. + * + * Precedence, highest first: an explicit configured path, `$DSH_HOME`, then + * `~/.dsh`. The harness keeps all user data under one root. * @param configured - explicit harness-home override, which has highest precedence. * @param env - environment mapping used to read `DSH_HOME`. * @returns the normalized absolute harness home path. @@ -45,3 +48,15 @@ export function resolveDshHome(configured?: string, env: Record { expect(expandHomePath('~other/.dsh')).toBe('~other/.dsh') }) - it('resolves explicit DSH home before environment and default locations', () => { + it('resolves explicit path before DSH_HOME and the default', () => { const envHome = join(homedir(), 'env-dsh') - expect(resolveDshHome(undefined, { DSH_HOME: '~/env-dsh' })).toBe(envHome) expect(resolveDshHome('/tmp/explicit-dsh', { DSH_HOME: '~/env-dsh' })).toBe('/tmp/explicit-dsh') + expect(resolveDshHome(undefined, { DSH_HOME: '~/env-dsh' })).toBe(envHome) expect(resolveDshHome(undefined, {})).toBe(defaultDshHome()) }) + + it('labels a resolved home by whether it is the default root', () => { + expect(dshHomeDisplay(resolve(defaultDshHome()))).toBe('~/.dsh') + expect(dshHomeDisplay('/some/other/root')).toBe('$DSH_HOME') + }) }) diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 903d8a7ca2..19e937aa0b 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -314,12 +314,12 @@ importers: '@deepseek-ai/dsh-bash-local': specifier: workspace:^ version: link:../bash-local - '@deepseek-ai/dsh-home': - specifier: workspace:^ - version: link:../../util/home '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm + '@deepseek-ai/dsh-paths': + specifier: workspace:^ + version: link:../../util/paths '@deepseek-ai/dsh-sandbox': specifier: workspace:^ version: link:../../sandbox/sandbox @@ -777,9 +777,6 @@ importers: '@deepseek-ai/dsh-goal-session': specifier: workspace:^ version: link:../../goal/goal-session - '@deepseek-ai/dsh-home': - specifier: workspace:^ - version: link:../../util/home '@deepseek-ai/dsh-invariants': specifier: workspace:^ version: link:../../support/invariants @@ -789,6 +786,9 @@ importers: '@deepseek-ai/dsh-llm-retry': specifier: workspace:^ version: link:../../llm/llm-retry + '@deepseek-ai/dsh-paths': + specifier: workspace:^ + version: link:../../util/paths '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session @@ -1604,6 +1604,9 @@ importers: '@deepseek-ai/dsh-brand': specifier: workspace:^ version: link:../../util/brand + '@deepseek-ai/dsh-paths': + specifier: workspace:^ + version: link:../../util/paths cordis: specifier: ^4.0.0-rc.7 version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5) @@ -1690,9 +1693,9 @@ importers: '@deepseek-ai/dsh-fs': specifier: workspace:^ version: link:../../fs/fs - '@deepseek-ai/dsh-home': + '@deepseek-ai/dsh-paths': specifier: workspace:^ - version: link:../../util/home + version: link:../../util/paths '@deepseek-ai/dsh-skill': specifier: workspace:^ version: link:../skill @@ -2495,12 +2498,6 @@ importers: specifier: ^4.0.0-rc.7 version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5) - packages/util/home: - devDependencies: - cordis: - specifier: ^4.0.0-rc.6 - version: 4.0.0-rc.7(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.5) - packages/util/paths: devDependencies: cordis: @@ -2854,9 +2851,6 @@ importers: '@deepseek-ai/dsh-goal-session': specifier: workspace:^ version: link:../../packages/goal/goal-session - '@deepseek-ai/dsh-home': - specifier: workspace:^ - version: link:../../packages/util/home '@deepseek-ai/dsh-hook-protocol': specifier: workspace:^ version: link:../../packages/hooks/hook-protocol diff --git a/python/sdk-runtime/package.json b/python/sdk-runtime/package.json index 5661d88de1..7b40675b2d 100644 --- a/python/sdk-runtime/package.json +++ b/python/sdk-runtime/package.json @@ -27,7 +27,6 @@ "@deepseek-ai/dsh-fs-policy": "workspace:^", "@deepseek-ai/dsh-goal": "workspace:^", "@deepseek-ai/dsh-goal-session": "workspace:^", - "@deepseek-ai/dsh-home": "workspace:^", "@deepseek-ai/dsh-hook-protocol": "workspace:^", "@deepseek-ai/dsh-hooks-claude": "workspace:^", "@deepseek-ai/dsh-hooks-codex": "workspace:^", diff --git a/scripts/verify-package-readme-model-experience.ts b/scripts/verify-package-readme-model-experience.ts index 41a13cfbb8..0f0285855d 100644 --- a/scripts/verify-package-readme-model-experience.ts +++ b/scripts/verify-package-readme-model-experience.ts @@ -76,7 +76,6 @@ const SENTENCE_MODEL_EXPERIENCE: Readonly> = { 'packages/examples/jsonrpc-demo': { kind: 'indirect', reason: 'Only the externally configured plugin tree contributes model context.' }, 'packages/ui/permission': { kind: 'indirect', reason: 'The service writes mechanism events rendered by dsh-user-approval and dsh-tool-bash.' }, 'packages/ui/user-interaction': { kind: 'indirect', reason: 'Model-facing consumers render provider answers and seam errors.' }, - 'packages/util/home': { kind: 'indirect', reason: 'Only dsh-tool-bash exposes the resolved home to model commands.' }, 'packages/util/timeout': { kind: 'indirect', reason: 'Only timeout consumers render timeout outcomes.' }, 'packages/util/retention': { kind: 'indirect', reason: 'Only retention consumers render retained content and omission metadata.' }, 'packages/web/web': { kind: 'indirect', reason: 'The provider registry delegates model rendering to dsh-tool-web.' }, diff --git a/tsconfig.build.json b/tsconfig.build.json index 17d3cc52e1..ae22bf652a 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -11,7 +11,6 @@ { "path": "./vendor/hmr" }, { "path": "./vendor/logger-console" }, { "path": "./packages/util/brand" }, - { "path": "./packages/util/home" }, { "path": "./packages/util/paths" }, { "path": "./packages/util/timeout" }, { "path": "./packages/util/retention" }, diff --git a/tsconfig.json b/tsconfig.json index 14baf6dbf3..a6cad1b4d2 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -24,7 +24,6 @@ { "path": "./vendor/hmr" }, { "path": "./vendor/logger-console" }, { "path": "./packages/util/brand" }, - { "path": "./packages/util/home" }, { "path": "./packages/util/paths" }, { "path": "./packages/util/timeout" }, { "path": "./packages/util/retention" }, From b3ba4345f591b76f2c365ad144d76146cb139e1c Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 14:09:17 +0800 Subject: [PATCH 19/28] fix(session-title): respect request and config boundaries --- .../2026-07-05-reconstructable-requests.md | 4 +- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +- .../2026-07-21-log-backed-session-titles.md | 6 +-- ...2026-07-21-log-backed-session-titles.zh.md | 6 +-- docs/config-catalog.md | 15 ++++-- docs/cordis-catalog/events.md | 10 ++-- docs/core-data-structures/core.md | 2 +- .../cordis/tool-cordis/src/api-catalog.ts | 2 +- packages/core/agent-loop/src/loop.ts | 6 +-- packages/examples/acp-demo/README.md | 1 + packages/examples/acp-demo/src/index.ts | 3 ++ packages/examples/agent-spine-demo/README.md | 6 +-- .../examples/agent-spine-demo/src/index.ts | 28 +++++++--- .../agent-spine-demo/tests/agent-core.spec.ts | 26 +++++++++ packages/examples/cli-demo/README.md | 1 + packages/examples/cli-demo/src/index.ts | 3 ++ packages/examples/tui-demo/README.md | 1 + packages/examples/tui-demo/src/index.ts | 3 ++ packages/llm/llm/README.md | 2 +- packages/llm/llm/src/call-config.ts | 24 +++++++++ packages/llm/llm/src/index.ts | 12 ++--- packages/llm/llm/tests/call-config.spec.ts | 19 ++++++- .../session-title/session-title-llm/README.md | 2 +- .../session-title-llm/tests/llm.spec.ts | 3 +- .../session-title/session-title/README.md | 2 +- .../session-title/session-title/src/index.ts | 6 +-- .../session-title/tests/provider.spec.ts | 12 ++--- packages/support/invariants/README.md | 4 +- packages/support/invariants/src/index.ts | 14 +++-- .../invariants/tests/invariants.spec.ts | 54 ++++++++++++++----- 30 files changed, 208 insertions(+), 73 deletions(-) diff --git a/.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md b/.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md index 162a83ad0c..00d176fe90 100644 --- a/.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md +++ b/.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md @@ -12,7 +12,7 @@ The reference shape for the happy path is MiniCode's `LLMClient`: a stateful con ### The principle -**Model-visible ⟺ logged.** Anything that reaches a model request must be recorded in the session log. The checkable consequence: **every conversation request the loop sends is a pure function of the session log** — anyone holding the log reconstructs it byte-for-byte. Scope, stated precisely: the guarantee covers the loop-built `GenerateOptions`; provider wire bytes follow from it because both adapters' serialization is a pure per-message function at a pinned code version; direct one-shots (compaction's summarize call) log their envelope scalars (`compact/summary.{provider, model, maxTokens}`) and their input is deterministic code over the logged region — reconstructable from log + code, outside the invariant by the unfrozen-request marker. +**Model-visible ⟺ logged.** Anything that reaches a model request must be recorded in the session log. The checkable consequence: **every conversation request the loop sends is a pure function of the session log** — anyone holding the log reconstructs it byte-for-byte. Scope, stated precisely: the guarantee covers the loop-built `GenerateOptions`; provider wire bytes follow from it because both adapters' serialization is a pure per-message function at a pinned code version; direct and auxiliary calls own separate log records or deterministic logged inputs — reconstructable from log + code, outside the loop equation because they lack its process-local request identity even when they are frozen. Prefix-cache stability is corollary #1, not the headline: an append-only log projected by a per-node pure function yields requests that are append-extensions of their predecessors whenever the header is unchanged — stability is emergent, not managed. Byte-exact audit/replay is corollary #2; resume and fork with *attributable* drift is corollary #3. @@ -26,7 +26,7 @@ Each step rebuilds prompt assembly. On the instance's first step, `agent/session **`step/start` is the reconstruction boundary.** A step derives messages from events before that sequence. Injection after the snapshot joins the next request, and reentrant appends are rejected during event publication. `agent/pre-step(agent, turn, step, signal)` remains the generic seam for content needed by the current request. Header reconstruction selects the step's `request/header`, or carries the prior snapshot when no new header is written. -**Enforcement.** In development, `dsh-invariants` independently rebuilds each loop request through a fresh `Session`, so the live cache cannot vouch for itself, then compares messages and folded header fields at `llm/stream`. Loop requests are identified by their frozen shape and session id; direct one-shots are excluded. Correctness depends on sequence-bounded reconstruction rather than listener order. A with-key e2e requires positive cache-read tokens after the first request; per-step usage is the production signal, and a header change or compaction appears as a cache-read drop on the next step. +**Enforcement.** In development, `dsh-invariants` independently rebuilds each loop request through a fresh `Session`, so the live cache cannot vouch for itself, then compares messages and folded header fields at `llm/stream`. `dsh-agent-loop` marks the exact request object through `markAgentLoopRequest()`; the marker is process-local and provider-invisible, so immutability plus `sessionId` cannot accidentally classify an auxiliary call as conversation work. Correctness depends on sequence-bounded reconstruction rather than listener order. A with-key e2e requires positive cache-read tokens after the first request; per-step usage is the production signal, and a header change or compaction appears as a cache-read drop on the next step. ### The MiniCode shape: adopted, with the provenance arrow inverted diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index a2278a8e54..ebc6a207fb 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: 9c54b0b6c24e393f9e7c9f6585d4c80642be9e87 -2026-07-21-log-backed-session-titles.zh.md: 351acb5d2fd6047547a31ec4a16912ff9ea74a95 +2026-07-21-log-backed-session-titles.md: 18e7f53c701605971c45c0afff4d7e91d141191e +2026-07-21-log-backed-session-titles.zh.md: b9a6b8c7e8c4ca8ae7cb66c1209f9096cc2548cb diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index 9c54b0b6c2..18e7f53c70 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -12,11 +12,11 @@ Session identity metadata is immutable, the event log is the replay and fork bou ## Decision -The [`session-title` capability family](../../../../packages/session-title/README.md) owns title state and generation policy. `@deepseek-ai/dsh-session-title` provides `ctx.sessionTitle`, a deterministic first-message fallback, and a registry for at most one optional asynchronous provider. `@deepseek-ai/dsh-session-title-llm` owns the common auxiliary-model request policy; separate first-message and all-user-messages plugins choose input cadence. The shared agent spine mounts only the fallback service with explicit example limits, leaving both model providers opt-in. +The [`session-title` capability family](../../../../packages/session-title/README.md) owns title state and generation policy. `@deepseek-ai/dsh-session-title` provides `ctx.sessionTitle`, a deterministic first-message fallback, and a registry for at most one optional asynchronous provider. `@deepseek-ai/dsh-session-title-llm` owns the common auxiliary-model request policy; separate first-message and all-user-messages plugins choose input cadence. The shared agent spine mounts only the fallback service with overridable explicit example limits, leaving both model providers opt-in. ### Event ownership and folding -Every accepted revision is a log-only `session/title` event. Its payload contains normalized non-empty text, the exact eligible human `user/message` seqs used to derive it, and either fallback provenance or the registered provider id plus optional provider/model route. Before an auxiliary title-model dispatch, the shared helper appends a log-only `session/title-llm-request` event containing the title-provider id, exact source seqs, route, system prompt, messages, and output-token cap; a later generation failure leaves the request auditable. Validation failures that never reach dispatch create no request event. `foldSessionTitle()` selects the latest title event and adds that event's seq and timestamp as `SessionTitleSnapshot`. Neither event enters `session.surface` or `deriveMessages()`. +Every accepted revision is a log-only `session/title` event. Its payload contains normalized non-empty text, the exact eligible human `user/message` seqs used to derive it, and either fallback provenance or the registered provider id plus optional provider/model route. Before an auxiliary title-model dispatch, the shared helper appends a log-only `session/title-llm-request` event containing the title-provider id, exact source seqs, route, system prompt, messages, and output-token cap; a later generation failure leaves the request auditable. The dispatched envelope is deep-frozen to preserve exact agreement with that record but carries no process-local agent-loop request identity, so loop-only reconstruction checks do not compare it with the main conversation header. Validation failures that never reach dispatch create no request event. `foldSessionTitle()` selects the latest title event and adds that event's seq and timestamp as `SessionTitleSnapshot`. Neither event enters `session.surface` or `deriveMessages()`. The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugin event types whose owners also declaration-merge an `OutOfBandSessionEventMap` marker. An open turn receives the log-only event directly and owns its normal checkpoint. A closed log receives `turn/start → event → turn/end` under the plugin's trigger, followed by an awaited flush. Once the synthetic turn opens, target-append failure still attempts to close and flush it; detach is deferred until the sequence settles. Session titles contribute the `session-title` zero-step trigger and opt both title event types into this seam. @@ -24,7 +24,7 @@ The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugi Only text blocks from human-source `user/message` events are eligible. Empty, control-only, and non-text prompts wait for the next eligible message. The service schedules the first fallback without awaiting it from the prompt path, normalizes whitespace and control sequences, applies the configured word and UTF-8 byte limits without splitting a code point, and records the first message seq. -Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the frozen loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. +Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the marked loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. The first-message provider schedules once when a fresh session first creates its fallback. An automatic failure does not reschedule on later prompts; `refresh()` is the retry path. The all-messages provider schedules after every eligible human prompt and passes all eligible messages through that revision, including seeded history. Its newer revision aborts and supersedes older pending or active work. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index 351acb5d2f..b9a6b8c7e8 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -12,11 +12,11 @@ Status: implemented ## 决策 -[`session-title` 功能包族](../../../../packages/session-title/README.md)负责标题状态和生成策略。`@deepseek-ai/dsh-session-title` 提供 `ctx.sessionTitle`、确定性的首消息回退方案，以及一个至多接受单个可选异步提供方的注册表。`@deepseek-ai/dsh-session-title-llm` 负责通用的辅助模型请求策略；首消息插件和全部用户消息插件分别选择输入调度方式。共享 agent 主干只挂载带显式示例限制的回退服务，两种模型提供方均需按需启用。 +[`session-title` 功能包族](../../../../packages/session-title/README.md)负责标题状态和生成策略。`@deepseek-ai/dsh-session-title` 提供 `ctx.sessionTitle`、确定性的首消息回退方案，以及一个至多接受单个可选异步提供方的注册表。`@deepseek-ai/dsh-session-title-llm` 负责通用的辅助模型请求策略；首消息插件和全部用户消息插件分别选择输入调度方式。共享 agent 主干只挂载回退服务，并为其显式设置可覆盖的示例限制；两种模型提供方均需按需启用。 ### 事件归属与折叠 -每个已接受的修订都是纯日志 `session/title` 事件。其载荷包含规范化后的非空文本、用于派生标题的所有合格且来源为人类的 `user/message` 的准确 seq，以及回退来源信息，或已注册的提供方 id 加可选的提供方和模型路由。辅助标题模型发起调用前，共享辅助组件会追加一个纯日志 `session/title-llm-request` 事件，其载荷包含标题提供方 id、准确的源 seq、路由、系统提示词、消息和输出 token 上限；即使后续生成失败，这次请求仍可审计。未进入调用阶段的验证失败不会创建请求事件。`foldSessionTitle()` 选择最新的标题事件，并将该事件的 seq 和时间戳加入 `SessionTitleSnapshot`。这两类事件都不会进入 `session.surface` 或 `deriveMessages()`。 +每个已接受的修订都是纯日志 `session/title` 事件。其载荷包含规范化后的非空文本、用于派生标题的所有合格且来源为人类的 `user/message` 的准确 seq，以及回退来源信息，或已注册的提供方 id 加可选的提供方和模型路由。辅助标题模型发起调用前，共享辅助组件会追加一个纯日志 `session/title-llm-request` 事件，其载荷包含标题提供方 id、准确的源 seq、路由、系统提示词、消息和输出 token 上限；即使后续生成失败，这次请求仍可审计。发送的请求信封经过深度冻结，以确保其与该记录精确一致，但它有意不携带进程本地的 agent loop（智能体循环）请求身份，因此仅针对 agent loop 的重建检查不会将它与主对话请求头进行比较。未进入调用阶段的验证失败不会创建请求事件。`foldSessionTitle()` 选择最新的标题事件，并将该事件的 seq 和时间戳加入 `SessionTitleSnapshot`。这两类事件都不会进入 `session.surface` 或 `deriveMessages()`。 核心会话包通过 `ctx.sessions.appendOutOfBand()` 暴露这一接口，但只允许所属插件同时通过声明合并向 `OutOfBandSessionEventMap` 添加标记的插件事件类型使用。开放轮次会直接接收纯日志事件，并负责其常规检查点。已关闭的日志会在该插件的触发器下接收 `turn/start → event → turn/end`，随后等待刷写完成。合成轮次一旦开启，即使目标追加失败，系统仍会尝试将其关闭并刷写；整个序列完成前会延迟 detach。会话标题提供 `session-title` 零步骤触发器，并让这两类标题事件都使用这一服务边界。 @@ -24,7 +24,7 @@ Status: implemented 只有人类来源的 `user/message` 事件中的文本块才符合条件。空提示词、仅含控制字符的提示词和非文本提示词会等待下一条合格消息。服务从提示词路径调度首个回退标题而不等待其完成，随后规范化空白和控制序列，应用已配置的单词数和 UTF-8 字节限制且不拆分代码点，并记录第一条消息的 seq。 -仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建且已冻结的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。 +仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建并带有标记的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。 首消息提供方仅在新会话首次创建回退标题时调度一次。自动执行失败后，后续提示词不会重新调度；`refresh()` 是重试路径。全部消息提供方会在每条合格且由人类发出的提示词后调度，并传入截至该修订的所有合格消息，包括预置历史记录。较新的修订会中止并取代更早的待执行或活跃工作。 diff --git a/docs/config-catalog.md b/docs/config-catalog.md index bcf6eb9cb2..55a20b4c5c 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -56,6 +56,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory exposed to bash and used for local skill discovery. */ dshHome?: string + /** Fallback session-title limits forwarded through agent-spine-demo. */ + sessionTitle?: NonNullable /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string /** JSONL artifact encoding; defaults to checksummed Zstandard frames. */ @@ -118,7 +120,8 @@ Source: [`packages/core/agent-loop/src/index.ts:360`](../packages/core/agent-loo * bridge, simply omits it), `persona` and `toolOrder` to the system-prompt * plugin (the deployment's persona section and the explicit model-facing tool * order), the `tools` object to the tool registry (its presentation `mode`), - * `dshHome` to bash environment and local skill discovery, `skills` to the + * `dshHome` to bash environment and local skill discovery, `sessionTitle` to + * the fallback title service, `skills` to the * skill registry/local provider/tool consumer, `workspaceContext` to the * workspace-context loader, `llmRetry` to the bounded request-recovery policy, * and `toolBash`/`toolTasks` to the model-facing tool plugins this bundle owns. @@ -142,6 +145,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory shared by shell context and local skill discovery. */ dshHome?: string + /** Deterministic fallback and accepted-title limits; omission uses the bundle's example policy. */ + sessionTitle?: SessionTitleConfig /** Workspace-context loader controls with an explicit byte budget; set `false` for hermetic prompts. */ workspaceContext: workspaceContext.Config | false /** Skill registry, local provider, and model-facing consumer config. */ @@ -177,9 +182,9 @@ export interface GoalConfig { } ``` -Depends on: [`AgentLoopConfig`](#deepseek-aidsh-agent-loop) · [`GoalDomainConfig`](#deepseek-aidsh-goal) · [`llmRetry`](../packages/llm/llm-retry/src/index.ts) · [`SkillLocal`](../packages/skill/skill-local/src/index.ts) · [`SkillRegistryConfig`](#deepseek-aidsh-skill) · [`SystemPromptConfig`](#deepseek-aidsh-system-prompt) · [`toolBash`](../packages/bash/tool-bash/src/index.ts) · [`toolGoal`](../packages/goal/tool-goal/src/index.ts) · [`ToolsConfig`](#deepseek-aidsh-tools) · [`toolSkill`](../packages/skill/tool-skill/src/index.ts) · [`toolTasks`](../packages/tasks/tool-tasks/src/index.ts) · [`workspaceContext`](../packages/context/workspace-context/src/index.ts) +Depends on: [`AgentLoopConfig`](#deepseek-aidsh-agent-loop) · [`GoalDomainConfig`](#deepseek-aidsh-goal) · [`llmRetry`](../packages/llm/llm-retry/src/index.ts) · [`SessionTitleConfig`](#deepseek-aidsh-session-title) · [`SkillLocal`](../packages/skill/skill-local/src/index.ts) · [`SkillRegistryConfig`](#deepseek-aidsh-skill) · [`SystemPromptConfig`](#deepseek-aidsh-system-prompt) · [`toolBash`](../packages/bash/tool-bash/src/index.ts) · [`toolGoal`](../packages/goal/tool-goal/src/index.ts) · [`ToolsConfig`](#deepseek-aidsh-tools) · [`toolSkill`](../packages/skill/tool-skill/src/index.ts) · [`toolTasks`](../packages/tasks/tool-tasks/src/index.ts) · [`workspaceContext`](../packages/context/workspace-context/src/index.ts) -Source: [`packages/examples/agent-spine-demo/src/index.ts:74`](../packages/examples/agent-spine-demo/src/index.ts) +Source: [`packages/examples/agent-spine-demo/src/index.ts:82`](../packages/examples/agent-spine-demo/src/index.ts) ## `@deepseek-ai/dsh-bash-local` @@ -242,6 +247,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory exposed to bash and used for local skill discovery. */ dshHome?: string + /** Fallback session-title limits forwarded through agent-spine-demo. */ + sessionTitle?: NonNullable /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string /** JSONL artifact encoding; defaults to checksummed Zstandard frames. */ @@ -1404,6 +1411,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory exposed to bash and used for local skill discovery. */ dshHome?: string + /** Fallback session-title limits forwarded through agent-spine-demo. */ + sessionTitle?: NonNullable /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string /** JSONL artifact encoding; defaults to checksummed Zstandard frames. */ diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index a213c9e11a..6fefa8d53c 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -524,11 +524,11 @@ Waterfall around every streaming model call (retry, replay, routing). Bound to t * Waterfall around every streaming model call (retry, replay, routing). * Bound to the {@link LlmService}; call `next()` to reach the resolved * adapter's stream, or yield your own chunks to short-circuit. - * @param options - the full request. A LOOP-built request arrives - * deep-frozen (mutation throws): its content is a pure function of the - * session log (the reconstructability Agent Note), so listeners read it, never - * rewrite it. A hand-built one-shot (compaction summarize) is the - * caller's own object and stays mutable here. + * @param options - the full request. A LOOP-built request carries the + * process-local {@link markAgentLoopRequest} identity and arrives deep-frozen + * (mutation throws): its content is a pure function of the session log (the + * reconstructability Agent Note), so listeners read it, never rewrite it. + * Hand-built calls own their mutability policy and do not carry that marker. * @mode waterfall */ 'llm/stream'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable): AsyncIterable diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 43e1ff5a07..8029428e89 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -269,7 +269,7 @@ The model-facing `ToolSchema` is the wire shape; the registered `ToolDefinition` The loop builds each request from logged state. `EpochHeader` records call config, rendered prompt, authoritative returned tool order (configured by `toolOrder`, or lexicographic when unset), and session prefix through full `request/header` snapshots. Together with derived history, this makes the request reconstructable from the session log. See [session.md](session.md#the-request-header-event-requestheader) and the [reconstructability Agent Note](../../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md). -`agent/request` receives a frozen call-config seed and may return a replacement to switch provider, model, or sampling. `agent/session-prefix` composes request-only prefix messages once per loop instance, and the header records the exact result used. Requests reaching `llm/stream` are deep-frozen, so mutation throws. +`agent/request` receives a frozen call-config seed and may return a replacement to switch provider, model, or sampling. `agent/session-prefix` composes request-only prefix messages once per loop instance, and the header records the exact result used. Requests reaching `llm/stream` are deep-frozen, so mutation throws, and carry a process-local loop identity so observers do not confuse separately logged frozen auxiliary calls with conversation requests. On the wire, a loop-built request reads in this order: the `system` slot (the rendered prompt assembly) → `messagePrefix` (the frozen session prefix) → the derived history — the boundary snapshot, whose tail is the newest `user/message` on a turn's first step and the previous step's tool results on later steps. The prefix never enters the derived history; its durable record is the header events, and the dev invariant recomputes exactly this equation against every loop-built request. diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts index 1e7baabe24..24dc02a03e 100644 --- a/packages/cordis/tool-cordis/src/api-catalog.ts +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -884,7 +884,7 @@ export const EVENT_API: readonly EventApiEntry[] = [ name: 'llm/stream', mode: 'waterfall', signature: '\'llm/stream\'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable): AsyncIterable', - jsDoc: '/**\n * Waterfall around every streaming model call (retry, replay, routing).\n * Bound to the {@link LlmService}; call `next()` to reach the resolved\n * adapter\'s stream, or yield your own chunks to short-circuit.\n * @param options - the full request. A LOOP-built request arrives\n * deep-frozen (mutation throws): its content is a pure function of the\n * session log (the reconstructability Agent Note), so listeners read it, never\n * rewrite it. A hand-built one-shot (compaction summarize) is the\n * caller\'s own object and stays mutable here.\n * @mode waterfall\n */', + jsDoc: '/**\n * Waterfall around every streaming model call (retry, replay, routing).\n * Bound to the {@link LlmService}; call `next()` to reach the resolved\n * adapter\'s stream, or yield your own chunks to short-circuit.\n * @param options - the full request. A LOOP-built request carries the\n * process-local {@link markAgentLoopRequest} identity and arrives deep-frozen\n * (mutation throws): its content is a pure function of the session log (the\n * reconstructability Agent Note), so listeners read it, never rewrite it.\n * Hand-built calls own their mutability policy and do not carry that marker.\n * @mode waterfall\n */', summary: 'Waterfall around every streaming model call (retry, replay, routing).', }, { diff --git a/packages/core/agent-loop/src/loop.ts b/packages/core/agent-loop/src/loop.ts index 97a32e2f38..945ba5aa28 100644 --- a/packages/core/agent-loop/src/loop.ts +++ b/packages/core/agent-loop/src/loop.ts @@ -8,7 +8,7 @@ import type { Context } from 'cordis' import type { ContentBlock, FinishReason, GenerateOptions, LlmCallConfig, LlmFailure, Message } from '@deepseek-ai/dsh-llm' import { isDeepStrictEqual } from 'node:util' -import { BlockAssembler, HarnessError, LlmError, assertNever, deepFreeze, errorChain, llmFailureOf } from '@deepseek-ai/dsh-llm' +import { BlockAssembler, HarnessError, LlmError, assertNever, deepFreeze, errorChain, llmFailureOf, markAgentLoopRequest } from '@deepseek-ai/dsh-llm' import { agentEvents, assembleContextFor } from '@deepseek-ai/dsh-agent' import type { AgentEventDispatch, ContinuationDecision, HookContext, PromptDecision, RequestError, RequestErrorDecision } from '@deepseek-ai/dsh-agent' import { canonicalHeader } from '@deepseek-ai/dsh-session' @@ -619,7 +619,7 @@ async function runStep( recordRequestHeader(session, transmission, header) // Freeze the logged header plus boundary snapshot; the prefix precedes derived history. - const request: GenerateOptions = deepFreeze({ + const request: GenerateOptions = markAgentLoopRequest(deepFreeze({ provider: header.config.provider, model: header.config.model, messages: [...header.messagePrefix ?? [], ...boundaryMessages], @@ -630,7 +630,7 @@ async function runStep( ...header.config.stop !== undefined ? { stop: header.config.stop } : {}, sessionId: session.id, signal, - }) + })) // --- Model call (streaming-first; raw chunks are the replay record) --- const assembler = new BlockAssembler() diff --git a/packages/examples/acp-demo/README.md b/packages/examples/acp-demo/README.md index 38c2b7852d..ffd46521cb 100644 --- a/packages/examples/acp-demo/README.md +++ b/packages/examples/acp-demo/README.md @@ -33,6 +33,7 @@ Because the package wires no logger entry, an ACP leaf has **nothing to get wron | `persona` | — | the deployment persona template (may reference `{{provider}}`/`{{model}}`/`{{cwd}}`), routed to `dsh-system-prompt` | | `toolOrder` | — | explicit model-facing tool order (a name list with one `''` rest entry; absent — lexicographic; an unregistered name fails each turn at prompt assembly), routed to `dsh-system-prompt` | | `dshHome` | `$DSH_HOME` or `~/.dsh` | Harness home exposed to model bash and used by local skill discovery | +| `sessionTitle` | spine example limits | fallback title word/byte limits routed through `dsh-agent-spine-demo` | | `tools` | `{ mode: 'native' }` | tool-registry presentation config (`native` / `code` / `both`), routed through `dsh-agent-spine-demo` | | `workspaceContext` | (required) | workspace-instruction byte budget/config, or `false`; routed to the providerless-safe `dsh-workspace-context` plugin | | `skills` | owner defaults | registry-cache, local-provider, and model-facing skill-tool config, routed through `dsh-agent-spine-demo` | diff --git a/packages/examples/acp-demo/src/index.ts b/packages/examples/acp-demo/src/index.ts index 7a6a893c43..eb88880fd2 100644 --- a/packages/examples/acp-demo/src/index.ts +++ b/packages/examples/acp-demo/src/index.ts @@ -50,6 +50,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory exposed to bash and used for local skill discovery. */ dshHome?: string + /** Fallback session-title limits forwarded through agent-spine-demo. */ + sessionTitle?: NonNullable /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string /** JSONL artifact encoding; defaults to checksummed Zstandard frames. */ @@ -82,6 +84,7 @@ export const Config: z = z.object({ toolOrder: z.array(z.string()).default(undefined as unknown as string[]), tools: ToolRegistry.Config, dshHome: z.string(), + sessionTitle: agentCore.SessionTitleConfigSchema, persistenceRoot: z.string().default(DEFAULT_PERSISTENCE_ROOT), persistenceCompression: JsonlCompressionSchema, workspaceContext: z.union([z.const(false), workspaceContext.Config]).required(), diff --git a/packages/examples/agent-spine-demo/README.md b/packages/examples/agent-spine-demo/README.md index 1d3637c56d..9d2b6d387c 100644 --- a/packages/examples/agent-spine-demo/README.md +++ b/packages/examples/agent-spine-demo/README.md @@ -37,7 +37,7 @@ Read this package for the whole plugin tree and its composition order. The spine is everything COMMON to every front door. The swappable and front-door-coupled pieces stay out, picked by whatever loads the bundle: - **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`). -- **model-backed session-title providers** — the bundle mounts the fallback service with fixed example limits (5 words, 40 fallback bytes, 80 accepted-title bytes); a leaf may opt into exactly one first-message or all-messages LLM provider. +- **model-backed session-title providers** — the bundle mounts the fallback service with overridable example limits (5 words, 40 fallback bytes, 80 accepted-title bytes); a leaf may opt into exactly one first-message or all-messages LLM provider. - **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 terminal TUI or ACP front door and `hmr`. These form the coupled front-door cluster that the app packages ([`dsh-tui-demo`](../tui-demo/README.md), [`dsh-acp-demo`](../acp-demo/README.md)) bake in. `timer` is in the spine because it is common and stdout-silent; front doors own stdout and remain outside. @@ -48,11 +48,11 @@ This is the [interface/implementation/consumer seam](../../../.agents/notes/impl ```ts import type { Config } from '@deepseek-ai/dsh-agent-spine-demo' -// { agents?, maxParallelToolCalls?, persona?, toolOrder?, tools?, dshHome?, skills?, workspaceContext, toolBash?, toolTasks?, goals?, llmRetry? } +// { agents?, maxParallelToolCalls?, persona?, toolOrder?, tools?, dshHome?, sessionTitle?, skills?, workspaceContext, toolBash?, toolTasks?, goals?, llmRetry? } // workspaceContext requires { maxBytes } or false; the other owner schemas supply defaults. ``` -The bundle FORWARDS each field to the child that owns it: `agents` and `maxParallelToolCalls` to `agent-loop` (`agents` defaults to `[]`; the cap defaults there), so each app supplies its own pre-created agents — TUI and headless apps pre-create `main`, while the ACP app creates agents on demand at `session/new`; `llmRetry` to the bounded retry policy; `persona` and `toolOrder` to `dsh-system-prompt`; `tools` to the tool registry for its presentation mode; `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer; the required `workspaceContext` choice to `dsh-workspace-context` (`{ maxBytes }` enables loading and `false` disables it); and `toolBash`/`toolTasks` to the two model-facing tool plugins the bundle owns. The session-title fallback limits are fixed example composition policy rather than bundle config. A `goals` object opts into the persisted domain, model tools, and same-session driver while forwarding `goals.domain` and `goals.tool` to their owners; omission or `false` leaves the stack absent so headless callers retain one-turn settlement. Set `skills.enabled: false` to omit both the local provider and model-facing skill tool, and set `toolTasks: false` to retain the task service for foreground producers without exposing `task_output` / `task_list` / `task_kill`. It resolves `dshHome` once through [`@deepseek-ai/dsh-home`](../../util/home/README.md) and forwards that absolute value to tool-bash's managed environment and enabled local skill discovery. An absent top-level `dshHome` adopts `skills.local.dshHome`; supplying both with different resolved paths fails loudly. `toolBash.enableRunInBackground` controls only the bash producer; independently loaded producers keep their own config. Workspace instructions register before the skill catalog so their session-prefix message renders first. App packages use `pickSpineConfig()` to copy only these bundle-owned fields. +The bundle FORWARDS each field to the child that owns it: `agents` and `maxParallelToolCalls` to `agent-loop` (`agents` defaults to `[]`; the cap defaults there), so each app supplies its own pre-created agents — TUI and headless apps pre-create `main`, while the ACP app creates agents on demand at `session/new`; `llmRetry` to the bounded retry policy; `persona` and `toolOrder` to `dsh-system-prompt`; `tools` to the tool registry for its presentation mode; `sessionTitle` to the fallback title service; `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer; the required `workspaceContext` choice to `dsh-workspace-context` (`{ maxBytes }` enables loading and `false` disables it); and `toolBash`/`toolTasks` to the two model-facing tool plugins the bundle owns. Omitted `sessionTitle` uses the explicit example policy of 5 words, 40 fallback bytes, and 80 accepted-title bytes. A `goals` object opts into the persisted domain, model tools, and same-session driver while forwarding `goals.domain` and `goals.tool` to their owners; omission or `false` leaves the stack absent so headless callers retain one-turn settlement. Set `skills.enabled: false` to omit both the local provider and model-facing skill tool, and set `toolTasks: false` to retain the task service for foreground producers without exposing `task_output` / `task_list` / `task_kill`. It resolves `dshHome` once through [`@deepseek-ai/dsh-home`](../../util/home/README.md) and forwards that absolute value to tool-bash's managed environment and enabled local skill discovery. An absent top-level `dshHome` adopts `skills.local.dshHome`; supplying both with different resolved paths fails loudly. `toolBash.enableRunInBackground` controls only the bash producer; independently loaded producers keep their own config. Workspace instructions register before the skill catalog so their session-prefix message renders first. App packages use `pickSpineConfig()` to copy only these bundle-owned fields. ## Why a code bundle, not a shared YAML include diff --git a/packages/examples/agent-spine-demo/src/index.ts b/packages/examples/agent-spine-demo/src/index.ts index 824b183118..a49bef08bd 100644 --- a/packages/examples/agent-spine-demo/src/index.ts +++ b/packages/examples/agent-spine-demo/src/index.ts @@ -13,7 +13,7 @@ import Timer from '@cordisjs/plugin-timer' import z from 'schemastery' import LlmService from '@deepseek-ai/dsh-llm' import SessionStore from '@deepseek-ai/dsh-session' -import SessionTitleService from '@deepseek-ai/dsh-session-title' +import SessionTitleService, { type Config as SessionTitleConfig } from '@deepseek-ai/dsh-session-title' import SystemPrompt, { type Config as SystemPromptConfig } from '@deepseek-ai/dsh-system-prompt' import ToolRegistry, { type Config as ToolsConfig } from '@deepseek-ai/dsh-tools' import SkillService, { type Config as SkillRegistryConfig } from '@deepseek-ai/dsh-skill' @@ -34,6 +34,13 @@ import { resolveDshHome } from '@deepseek-ai/dsh-home' export const name = 'agent-spine-demo' +/** Overridable example policy used when a bundle consumer omits `sessionTitle`. */ +const EXAMPLE_SESSION_TITLE_CONFIG: SessionTitleConfig = { + fallbackMaxWords: 5, + fallbackMaxBytes: 40, + maxTitleBytes: 80, +} + /** Skill bundle config forwarded to the registry, local provider, and model-facing consumer. */ export interface SkillConfig { /** Mount the bundled local skill provider and model-facing skill tool (default true). */ @@ -60,7 +67,8 @@ export interface GoalConfig { * bridge, simply omits it), `persona` and `toolOrder` to the system-prompt * plugin (the deployment's persona section and the explicit model-facing tool * order), the `tools` object to the tool registry (its presentation `mode`), - * `dshHome` to bash environment and local skill discovery, `skills` to the + * `dshHome` to bash environment and local skill discovery, `sessionTitle` to + * the fallback title service, `skills` to the * skill registry/local provider/tool consumer, `workspaceContext` to the * workspace-context loader, `llmRetry` to the bounded request-recovery policy, * and `toolBash`/`toolTasks` to the model-facing tool plugins this bundle owns. @@ -84,6 +92,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory shared by shell context and local skill discovery. */ dshHome?: string + /** Deterministic fallback and accepted-title limits; omission uses the bundle's example policy. */ + sessionTitle?: SessionTitleConfig /** Workspace-context loader controls with an explicit byte budget; set `false` for hermetic prompts. */ workspaceContext: workspaceContext.Config | false /** Skill registry, local provider, and model-facing consumer config. */ @@ -106,6 +116,10 @@ export const SkillConfigSchema: z = z.object({ tool: toolSkill.Config, }) +/** The session-title config schema with the shared bundle's overridable example limits. */ +export const SessionTitleConfigSchema: z = SessionTitleService.Config + .default(EXAMPLE_SESSION_TITLE_CONFIG) + /** The bash-tool config schema exported for app packages that forward `toolBash`. */ export const ToolBashConfigSchema: z = toolBash.Config @@ -128,13 +142,14 @@ export const Config = z.intersect([ z.object({ tools: ToolRegistry.Config, dshHome: z.string(), + sessionTitle: SessionTitleConfigSchema, skills: SkillConfigSchema, workspaceContext: z.union([z.const(false), workspaceContext.Config]).required(), toolBash: ToolBashConfigSchema, toolTasks: z.union([z.const(false), ToolTasksConfigSchema]), goals: z.union([z.const(false), GoalConfigSchema]), llmRetry: LlmRetryConfigSchema, - }) as unknown as z>, + }) as unknown as z>, ]) as unknown as z /** @@ -149,6 +164,7 @@ export function pickSpineConfig(config: Omit): Omit { await ctx.fiber.dispose() }) + it('forwards configurable fallback title limits to the bundled service', async () => { + const ctx = await mount({ + workspaceContext: false, + sessionTitle: { + fallbackMaxWords: 1, + fallbackMaxBytes: 40, + maxTitleBytes: 80, + }, + }) + const session = ctx.sessions.create(SessionId('configured-title-limits')) + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + session.append('user/message', { + content: [{ type: 'text', text: 'One two three four' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + await new Promise(resolve => setTimeout(resolve, 0)) + + expect(ctx.sessionTitle.get(session)?.title).toBe('One') + await ctx.fiber.dispose() + }) + it('opts into the configured persisted-goal domain, tools, and same-session driver', async () => { const ctx = await mount({ workspaceContext: false, @@ -455,6 +479,7 @@ describe('dsh-agent-spine-demo bundle', () => { toolOrder: ['zulu'], tools: { mode: 'native' as const }, dshHome: '/tmp/dsh-home', + sessionTitle: { fallbackMaxWords: 3, fallbackMaxBytes: 24, maxTitleBytes: 60 }, workspaceContext: false as const, skills: { enabled: false }, toolBash: { enableRunInBackground: false }, @@ -467,6 +492,7 @@ describe('dsh-agent-spine-demo bundle', () => { toolOrder: appConfig.toolOrder, tools: appConfig.tools, dshHome: appConfig.dshHome, + sessionTitle: appConfig.sessionTitle, workspaceContext: false, skills: appConfig.skills, toolBash: appConfig.toolBash, diff --git a/packages/examples/cli-demo/README.md b/packages/examples/cli-demo/README.md index 60f047101d..ee806614eb 100644 --- a/packages/examples/cli-demo/README.md +++ b/packages/examples/cli-demo/README.md @@ -15,6 +15,7 @@ The package mounts no console logger, interactive UI, user-interaction service, | `toolOrder` | lexicographic | explicit model-facing tool order in `dsh-system-prompt` | | `tools` | `{ mode: 'native' }` | tool-registry presentation config through `dsh-agent-spine-demo` | | `dshHome` | `$DSH_HOME` or `~/.dsh` | Harness home exposed to model bash and used by local skill discovery | +| `sessionTitle` | spine example limits | Fallback title word/byte limits through `dsh-agent-spine-demo` | | `skills` | owner defaults | skill registry, local provider, and model-facing skill tool | | `toolBash` | owner defaults | model-facing bash config, including this producer's background opt-in | | `toolTasks` | owner defaults | generic `task_output` wait bounds | diff --git a/packages/examples/cli-demo/src/index.ts b/packages/examples/cli-demo/src/index.ts index 7f527d857b..82884a2a6e 100644 --- a/packages/examples/cli-demo/src/index.ts +++ b/packages/examples/cli-demo/src/index.ts @@ -37,6 +37,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory exposed to bash and used for local skill discovery. */ dshHome?: string + /** Fallback session-title limits forwarded through agent-spine-demo. */ + sessionTitle?: NonNullable /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string /** JSONL artifact encoding; defaults to checksummed Zstandard frames. */ @@ -64,6 +66,7 @@ export const Config: z = z.object({ persistenceCompression: JsonlCompressionSchema, persona: z.string(), dshHome: z.string(), + sessionTitle: agentCore.SessionTitleConfigSchema, skills: agentCore.SkillConfigSchema, // Absent means lexicographic order; schemastery's native array default is []. toolOrder: z.array(z.string()).default(undefined as unknown as string[]), diff --git a/packages/examples/tui-demo/README.md b/packages/examples/tui-demo/README.md index 2a10140f18..4967bf320f 100644 --- a/packages/examples/tui-demo/README.md +++ b/packages/examples/tui-demo/README.md @@ -29,6 +29,7 @@ Swappable LLM, bash, filesystem, and other capability providers remain in the le | `toolOrder` | lexicographic | Explicit model-facing tool order | | `tools` | owner default | Tool presentation mode | | `dshHome` | owner default | Harness home used by bash and skills | +| `sessionTitle` | spine example limits | Fallback title word/byte limits | | `skills` | owner defaults | Skill registry, local provider, and tool config | | `toolBash` | owner defaults | Model-facing bash tool config | | `toolTasks` | owner defaults | Background-task control-tool config, or `false` | diff --git a/packages/examples/tui-demo/src/index.ts b/packages/examples/tui-demo/src/index.ts index fc6d6cc8ad..53d6d304a7 100644 --- a/packages/examples/tui-demo/src/index.ts +++ b/packages/examples/tui-demo/src/index.ts @@ -45,6 +45,8 @@ export interface Config { tools?: ToolsConfig /** DeepSeek Harness home directory exposed to bash and used for local skill discovery. */ dshHome?: string + /** Fallback session-title limits forwarded through agent-spine-demo. */ + sessionTitle?: NonNullable /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string /** JSONL artifact encoding; defaults to checksummed Zstandard frames. */ @@ -79,6 +81,7 @@ export const Config: z = z.object({ toolOrder: z.array(z.string()).default(undefined as unknown as string[]), tools: ToolRegistry.Config, dshHome: z.string(), + sessionTitle: agentCore.SessionTitleConfigSchema, persistenceRoot: z.string().default(DEFAULT_PERSISTENCE_ROOT), persistenceCompression: JsonlCompressionSchema, welcome: z.string().default(DEFAULT_WELCOME), diff --git a/packages/llm/llm/README.md b/packages/llm/llm/README.md index a5ccd42b43..77c67bb764 100644 --- a/packages/llm/llm/README.md +++ b/packages/llm/llm/README.md @@ -36,7 +36,7 @@ Streaming is a raw chunk protocol (`block-start`, `text-delta`, `reasoning-delta ### Call configuration (`call-config.ts`) -`LlmCallConfig` is the provider + model + sampling scalars of one conversation's requests (`provider`, `model`, `temperature`, `maxTokens`, `stop` — each mapping 1:1 onto the same-named `GenerateOptions` field). It is per-conversation state recorded in the session log as part of the request header (see the dsh-session `request/header` events), never a silently-adjustable per-call knob: the `agent/request` waterfall proposes a replacement and the loop logs a real change. `callConfigEquals(a, b)` is the field-wise real-change detector; `deepFreeze(value)` is the ownership helper the loop applies to every built request before dispatch (`llm/stream` listeners and adapters read, never rewrite). +`LlmCallConfig` is the provider + model + sampling scalars of one conversation's requests (`provider`, `model`, `temperature`, `maxTokens`, `stop` — each mapping 1:1 onto the same-named `GenerateOptions` field). It is per-conversation state recorded in the session log as part of the request header (see the dsh-session `request/header` events), never a silently-adjustable per-call knob: the `agent/request` waterfall proposes a replacement and the loop logs a real change. `callConfigEquals(a, b)` is the field-wise real-change detector; `deepFreeze(value)` is the ownership helper the loop applies to every built request before dispatch (`llm/stream` listeners and adapters read, never rewrite). `markAgentLoopRequest()` gives that exact object process-local loop provenance, and `isAgentLoopRequest()` lets observers distinguish it from independently logged auxiliary calls that may also be frozen and session-associated. ### App attribution (`attribution.ts`) diff --git a/packages/llm/llm/src/call-config.ts b/packages/llm/llm/src/call-config.ts index 82eb68615d..fe723ec162 100644 --- a/packages/llm/llm/src/call-config.ts +++ b/packages/llm/llm/src/call-config.ts @@ -6,6 +6,11 @@ * @module dsh-llm/call-config */ +import type { GenerateOptions } from './types.ts' + +/** Process-local identities of request objects assembled by dsh-agent-loop. */ +const AGENT_LOOP_REQUESTS = new WeakSet() + /** * Provider + model + sampling scalars of one conversation's requests. Every field maps * 1:1 onto the same-named `GenerateOptions` field; the loop builds requests @@ -33,6 +38,25 @@ export function callConfigEquals(a: LlmCallConfig, b: LlmCallConfig): boolean { return a.stop.length === b.stop.length && a.stop.every((s, i) => s === b.stop?.[i]) } +/** + * Mark one exact request object as assembled by dsh-agent-loop. + * @param request - loop-owned request envelope before LLM dispatch. + * @returns the same request object with process-local loop provenance. + */ +export function markAgentLoopRequest(request: T): T { + AGENT_LOOP_REQUESTS.add(request) + return request +} + +/** + * Test whether the exact request object was assembled by dsh-agent-loop. + * @param request - request envelope observed at the LLM waterfall. + * @returns whether {@link markAgentLoopRequest} recorded this object. + */ +export function isAgentLoopRequest(request: GenerateOptions): boolean { + return AGENT_LOOP_REQUESTS.has(request) +} + /** * Deep-freeze a value in place, guarding cycles, so later mutation throws. * {@link AbortSignal} objects are deliberately skipped because they are the diff --git a/packages/llm/llm/src/index.ts b/packages/llm/llm/src/index.ts index fb431a308c..db4eb855c5 100644 --- a/packages/llm/llm/src/index.ts +++ b/packages/llm/llm/src/index.ts @@ -20,7 +20,7 @@ export * from './never.ts' export * from './error.ts' export * from './types.ts' export { BlockAssembler } from './assembler.ts' -export { callConfigEquals, deepFreeze } from './call-config.ts' +export { callConfigEquals, deepFreeze, isAgentLoopRequest, markAgentLoopRequest } from './call-config.ts' export type { LlmCallConfig } from './call-config.ts' export { isLlmAdapterFailure, llmFailureOf } from './adapter-failure.ts' @@ -34,11 +34,11 @@ declare module 'cordis' { * Waterfall around every streaming model call (retry, replay, routing). * Bound to the {@link LlmService}; call `next()` to reach the resolved * adapter's stream, or yield your own chunks to short-circuit. - * @param options - the full request. A LOOP-built request arrives - * deep-frozen (mutation throws): its content is a pure function of the - * session log (the reconstructability Agent Note), so listeners read it, never - * rewrite it. A hand-built one-shot (compaction summarize) is the - * caller's own object and stays mutable here. + * @param options - the full request. A LOOP-built request carries the + * process-local {@link markAgentLoopRequest} identity and arrives deep-frozen + * (mutation throws): its content is a pure function of the session log (the + * reconstructability Agent Note), so listeners read it, never rewrite it. + * Hand-built calls own their mutability policy and do not carry that marker. * @mode waterfall */ 'llm/stream'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable): AsyncIterable diff --git a/packages/llm/llm/tests/call-config.spec.ts b/packages/llm/llm/tests/call-config.spec.ts index 3e656f7563..6479ec8f85 100644 --- a/packages/llm/llm/tests/call-config.spec.ts +++ b/packages/llm/llm/tests/call-config.spec.ts @@ -5,7 +5,8 @@ */ import { describe, expect, it } from 'vitest' -import { callConfigEquals, deepFreeze } from '../src/call-config.ts' +import { callConfigEquals, deepFreeze, isAgentLoopRequest, markAgentLoopRequest } from '../src/call-config.ts' +import type { GenerateOptions } from '../src/types.ts' describe('callConfigEquals', () => { it('compares every field, including the stop list element-wise', () => { @@ -56,3 +57,19 @@ describe('deepFreeze', () => { expect(Object.isFrozen(cyclic)).toBe(true) }) }) + +describe('agent-loop request identity', () => { + it('marks only the exact request object and preserves its identity', () => { + const request: GenerateOptions = { + provider: 'mock', + model: 'model', + messages: [], + } + const copy = { ...request } + + expect(isAgentLoopRequest(request)).toBe(false) + expect(markAgentLoopRequest(request)).toBe(request) + expect(isAgentLoopRequest(request)).toBe(true) + expect(isAgentLoopRequest(copy)).toBe(false) + }) +}) diff --git a/packages/session-title/session-title-llm/README.md b/packages/session-title/session-title-llm/README.md index 85ca837a75..ebe4461aa8 100644 --- a/packages/session-title/session-title-llm/README.md +++ b/packages/session-title/session-title-llm/README.md @@ -8,7 +8,7 @@ This package is a library, not a Cordis plugin. The provider plugins call `regis `provider` and `model` overrides are optional but must be supplied together as non-empty strings. Without that pair, the helper uses the exact provider/model route captured from the current session's logged `request/header`; an explicit refresh before any route exists therefore needs overrides. Input exceeding `maxInputBytes` rejects instead of being truncated. Timeout, cancellation, malformed or empty output, tool calls, and non-stop finish reasons also reject; the session-title service decides whether that rejection is an automatic warning or an explicit caller failure. -After route and input validation, the helper appends a log-only `session/title-llm-request` event before model dispatch. It contains the title-provider id, exact source seqs, route, system prompt, message list, and output-token cap used by the call. A later model failure leaves that request record intact; validation failures that never become dispatchable requests do not create one. The event stays outside derived model history. +After route and input validation, the helper appends a log-only `session/title-llm-request` event before model dispatch. It contains the title-provider id, exact source seqs, route, system prompt, message list, and output-token cap used by the call. The dispatched envelope is deep-frozen to keep interceptors aligned with that record but deliberately lacks dsh-agent-loop's process-local request identity, so loop-only reconstruction observers do not compare it with the conversation header. A later model failure leaves that request record intact; validation failures that never become dispatchable requests do not create one. The event stays outside derived model history. ## Configuration diff --git a/packages/session-title/session-title-llm/tests/llm.spec.ts b/packages/session-title/session-title-llm/tests/llm.spec.ts index 2c1a701356..87ea8cd6a5 100644 --- a/packages/session-title/session-title-llm/tests/llm.spec.ts +++ b/packages/session-title/session-title-llm/tests/llm.spec.ts @@ -1,6 +1,6 @@ import { Context } from 'cordis' import { describe, expect, it, vi } from 'vitest' -import LlmService, { CallId, LlmAdapter } from '@deepseek-ai/dsh-llm' +import LlmService, { CallId, isAgentLoopRequest, LlmAdapter } from '@deepseek-ai/dsh-llm' import type { FinishReason, GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' import { SessionTitleProviderId } from '@deepseek-ai/dsh-session-title' @@ -139,6 +139,7 @@ describe('generateSessionTitleWithLlm', () => { const options = adapter.requests[0]! expect(Object.isFrozen(options)).toBe(true) expect(Object.isFrozen(options.messages)).toBe(true) + expect(isAgentLoopRequest(options)).toBe(false) expect(options).toMatchObject({ provider: 'current-route', model: 'current-model', diff --git a/packages/session-title/session-title/README.md b/packages/session-title/session-title/README.md index f7862a7e9b..218637d29c 100644 --- a/packages/session-title/session-title/README.md +++ b/packages/session-title/session-title/README.md @@ -10,7 +10,7 @@ Only text blocks from human `user/message` events are eligible. The first eligib - `refresh(session, signal?)` materializes the fallback when needed, then explicitly runs the registered provider over the current eligible messages. Provider errors and caller cancellation reject; cancellation does not roll back a fallback append already entering durability. - `register(provider)` installs the sole optional provider and returns its awaitable Cordis effect disposer. A second registration throws immediately; disposal aborts pending and active calls, waits for their settlement, and only then permits another provider to register. -Automatic work never delays the main agent response. A provider starts only after a loop-built request's exact route matches the current logged `request/header`, including when the unchanged header needs no new snapshot. Its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits, so only the newest call may reach the provider. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. +Automatic work never delays the main agent response. A provider starts only after a marked loop-built request's exact route matches the current logged `request/header`, including when the unchanged header needs no new snapshot. Its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits, so only the newest call may reach the provider. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. Forks inherit title events in their seed unchanged. The first-message cadence does not automatically retitle a child; the all-messages cadence may append a new revision after the child receives a later human prompt. diff --git a/packages/session-title/session-title/src/index.ts b/packages/session-title/session-title/src/index.ts index 3741b05a16..35e92f7a94 100644 --- a/packages/session-title/session-title/src/index.ts +++ b/packages/session-title/session-title/src/index.ts @@ -6,7 +6,7 @@ import { Context, FiberState, Service, type Fiber } from 'cordis' import z from 'schemastery' import type { Branded } from '@deepseek-ai/dsh-brand' -import { deepFreeze } from '@deepseek-ai/dsh-llm' +import { deepFreeze, isAgentLoopRequest } from '@deepseek-ai/dsh-llm' import type { GenerateOptions } from '@deepseek-ai/dsh-llm' import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' import { fallbackSessionTitle, normalizeSessionTitle } from './normalize.ts' @@ -413,9 +413,9 @@ export class SessionTitleService extends Service { this.startPending(session, state, pending, route) } - /** Start unchanged-route work from the frozen loop request after its header fold is current. */ + /** Start unchanged-route work from the marked loop request after its header fold is current. */ private onMainRequest(options: GenerateOptions): void { - if (!this.serviceActive() || options.sessionId === undefined || !Object.isFrozen(options)) return + if (!this.serviceActive() || options.sessionId === undefined || !isAgentLoopRequest(options)) return const session = this.ctx.sessions.get(options.sessionId) const state = session === undefined ? undefined : this.work.get(session) const pending = state?.pending diff --git a/packages/session-title/session-title/tests/provider.spec.ts b/packages/session-title/session-title/tests/provider.spec.ts index 74a936cb94..5ac27cfd98 100644 --- a/packages/session-title/session-title/tests/provider.spec.ts +++ b/packages/session-title/session-title/tests/provider.spec.ts @@ -1,6 +1,6 @@ import { Context } from 'cordis' import { describe, expect, it, vi } from 'vitest' -import LlmService, { deepFreeze } from '@deepseek-ai/dsh-llm' +import LlmService, { deepFreeze, markAgentLoopRequest } from '@deepseek-ai/dsh-llm' import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' import SessionTitleService, { SessionTitleProviderId, @@ -303,12 +303,12 @@ describe('SessionTitleService provider lifecycle', () => { const second = appendHumanPrompt(session, 'Second prompt on the same route') await settle() session.append('step/start', { turn: 2, step: 1 }) - void ctx.llm.stream(deepFreeze({ + void ctx.llm.stream(markAgentLoopRequest(deepFreeze({ provider: 'main-route', model: 'chat-model', messages: session.deriveMessages(), sessionId: session.id, - })) + }))) await settle() expect(session.events.filter(event => event.type === 'request/header')).toHaveLength(1) @@ -339,9 +339,9 @@ describe('SessionTitleService provider lifecycle', () => { const options = { provider: 'main-route', model: 'chat-model', messages: [] } void ctx.llm.stream(deepFreeze(options)) - void ctx.llm.stream(deepFreeze({ ...options, sessionId: SessionId('missing') })) + void ctx.llm.stream(markAgentLoopRequest(deepFreeze({ ...options, sessionId: SessionId('missing') }))) const quiet = ctx.sessions.create(SessionId('quiet')) - void ctx.llm.stream(deepFreeze({ ...options, sessionId: quiet.id })) + void ctx.llm.stream(markAgentLoopRequest(deepFreeze({ ...options, sessionId: quiet.id }))) const pending = ctx.sessions.create(SessionId('unmatched-boundary')) pending.append('turn/start', { turn: 1, @@ -349,7 +349,7 @@ describe('SessionTitleService provider lifecycle', () => { }) appendHumanPrompt(pending, 'Wait for a matching request boundary') await settle() - void ctx.llm.stream(deepFreeze({ ...options, sessionId: pending.id })) + void ctx.llm.stream(markAgentLoopRequest(deepFreeze({ ...options, sessionId: pending.id }))) await settle() expect(generate).not.toHaveBeenCalled() diff --git a/packages/support/invariants/README.md b/packages/support/invariants/README.md index aef85dbb02..a97eea34bb 100644 --- a/packages/support/invariants/README.md +++ b/packages/support/invariants/README.md @@ -39,7 +39,7 @@ Agent status (per agent): Model requests (on `llm/stream`): -- **a loop-built request is exactly what the log reconstructs** — a frozen request with a live `sessionId` (the loop-built marker; hand-built one-shots like compaction's summarize are unfrozen and skipped) must carry frozen `messages` deep-equal to the derivation over the log prefix strictly before the in-flight step's `step/start` (rebuilt through a FRESH `Session`, so the live cache cannot vouch for itself — and boundary-correct: content logged after `step/start` legitimately belongs to the next request), and every non-content field must equal the latest logged `request/header` (see [the reconstructability Agent Note](../../../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)). Registered with `prepend: true` so a short-circuiting `llm/stream` listener (the replay adapter) cannot silence it; prepend orders it against append-registered listeners only — correctness rests on the seq-bounded rebuild, never listener timing. +- **a loop-built request is exactly what the log reconstructs** — a request carrying dsh-agent-loop's process-local identity must have a frozen envelope, live `sessionId`, frozen `messages` deep-equal to the derivation over the log prefix strictly before the in-flight step's `step/start` (rebuilt through a FRESH `Session`, so the live cache cannot vouch for itself — and boundary-correct: content logged after `step/start` legitimately belongs to the next request), and every non-content field must equal the latest logged `request/header` (see [the reconstructability Agent Note](../../../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)). Frozen auxiliary calls remain outside this loop-only equation. Registered with `prepend: true` so a short-circuiting `llm/stream` listener (the replay adapter) cannot silence it; prepend orders it against append-registered listeners only — correctness rests on the seq-bounded rebuild, never listener timing. On any violation it throws `InvariantError` (`code: 'INVARIANT'`). @@ -61,5 +61,5 @@ None; this package neither assembles nor sends a provider request. ## Known Limitations and Deferred Work -- **The request-reconstructability assertion covers loop-built requests only** — hand-built one-shots (e.g. compaction's summarize call) carry no live `sessionId` marker and are skipped. +- **The request-reconstructability assertion covers loop-built requests only** — hand-built and auxiliary calls carry no process-local loop marker and are skipped even when they are immutable or session-associated. - **Merge-extended event families get no family-specific assertions** — `compact/*` lock pairing and `hook/*` invoked/result pairing are not checked here; only the core turn/step/chunk/tool-result contract is. diff --git a/packages/support/invariants/src/index.ts b/packages/support/invariants/src/index.ts index 91b4da4566..793877e944 100644 --- a/packages/support/invariants/src/index.ts +++ b/packages/support/invariants/src/index.ts @@ -10,7 +10,7 @@ import type { Context } from 'cordis' import { carrierKeyOf, isScopeCarrier } from '@deepseek-ai/dsh-scope' -import { assertNever, HarnessError } from '@deepseek-ai/dsh-llm' +import { assertNever, HarnessError, isAgentLoopRequest } from '@deepseek-ai/dsh-llm' import type { CallId, GenerateOptions } from '@deepseek-ai/dsh-llm' import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent' import { Session, SessionId, foldRequestHeader } from '@deepseek-ai/dsh-session' @@ -341,8 +341,8 @@ export function apply(ctx: Context): void { }, { global: true }) // Request-reconstruction cross-check (the reconstructability Agent Note): a - // loop-built request — frozen envelope + live sessionId is the marker; a - // hand-built one-shot (compaction summarize) is unfrozen and skipped — must + // loop-built request — identified by dsh-agent-loop's process-local marker; + // frozen auxiliary calls remain outside this loop-only equation — must // be EXACTLY what the session log reconstructs: // // - messages: the folded header's session prefix (messagePrefix — the @@ -366,7 +366,13 @@ export function apply(ctx: Context): void { // (cordis unshift) — which is fine: correctness rests on the seq-bounded // fold below, never on listener timing. ctx.on('llm/stream', (options: GenerateOptions, next) => { - if (options.sessionId === undefined || !Object.isFrozen(options)) return next() + if (!isAgentLoopRequest(options)) return next() + if (!Object.isFrozen(options)) { + throw new InvariantError('a loop-built request must carry a frozen envelope') + } + if (options.sessionId === undefined) { + throw new InvariantError('a loop-built request must carry a sessionId') + } // GenerateOptions types sessionId as Branded<'SessionId'>, which IS // SessionId (dsh-llm cannot import it without a cycle) — no cast needed. const session = ctx.sessions.get(options.sessionId) diff --git a/packages/support/invariants/tests/invariants.spec.ts b/packages/support/invariants/tests/invariants.spec.ts index 4f066eff8c..7aee93295b 100644 --- a/packages/support/invariants/tests/invariants.spec.ts +++ b/packages/support/invariants/tests/invariants.spec.ts @@ -1,7 +1,8 @@ import { describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' import { createScope, scopeTarget } from '@deepseek-ai/dsh-scope' -import { CallId } from '@deepseek-ai/dsh-llm' +import { CallId, markAgentLoopRequest } from '@deepseek-ai/dsh-llm' +import type { GenerateOptions } from '@deepseek-ai/dsh-llm' import type { Agent } from '@deepseek-ai/dsh-agent' import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session' import * as Invariants from '@deepseek-ai/dsh-invariants' @@ -798,9 +799,14 @@ describe('request-reconstruction cross-check (llm/stream)', () => { void ctx.waterfall('llm/stream', options as never, () => (async function* () {})() as never) } + /** Attach the same process-local identity as dsh-agent-loop. */ + function loopRequest(options: unknown): GenerateOptions { + return markAgentLoopRequest(options as GenerateOptions) + } + it('passes a frozen request that equals the boundary derivation + the folded header', async () => { const { ctx, session, boundary } = await requestSetup() - const options = Object.freeze({ model: 'm', messages: Object.freeze(boundary), sessionId: session.id }) + const options = loopRequest(Object.freeze({ model: 'm', messages: Object.freeze(boundary), sessionId: session.id })) expect(() => { dispatch(ctx, options) }).not.toThrow() }) @@ -810,7 +816,7 @@ describe('request-reconstruction cross-check (llm/stream)', () => { // belongs to the NEXT request. A current-surface comparison would // false-fire here; the seq-bounded rebuild must not. session.append('context/message', { content: [{ type: 'text', text: '[late]' }], source: { kind: 'plugin', plugin: 'x' } }, { surfaceOp: 'append' }) - const options = Object.freeze({ model: 'm', messages: Object.freeze(boundary), sessionId: session.id }) + const options = loopRequest(Object.freeze({ model: 'm', messages: Object.freeze(boundary), sessionId: session.id })) expect(() => { dispatch(ctx, options) }).not.toThrow() }) @@ -819,26 +825,26 @@ describe('request-reconstruction cross-check (llm/stream)', () => { const prefix = { role: 'user' as const, content: [{ type: 'text' as const, text: 'catalog' }] } session.append('request/header', { header: { config: { provider: 'mock', model: 'm' }, messagePrefix: [prefix] }, reason: 'change' }) // The prefixed request matches the fold… - const prefixed = Object.freeze({ model: 'm', messages: Object.freeze([prefix, ...boundary]), sessionId: session.id }) + const prefixed = loopRequest(Object.freeze({ model: 'm', messages: Object.freeze([prefix, ...boundary]), sessionId: session.id })) expect(() => { dispatch(ctx, prefixed) }).not.toThrow() // …a request that DROPPED the logged prefix diverges… - const bare = Object.freeze({ model: 'm', messages: Object.freeze([...boundary]), sessionId: session.id }) + const bare = loopRequest(Object.freeze({ model: 'm', messages: Object.freeze([...boundary]), sessionId: session.id })) expect(() => { dispatch(ctx, bare) }).toThrow(/diverges from the boundary derivation/) // …and so does one that misplaced it (prefix sent after the history). - const misplaced = Object.freeze({ model: 'm', messages: Object.freeze([...boundary, prefix]), sessionId: session.id }) + const misplaced = loopRequest(Object.freeze({ model: 'm', messages: Object.freeze([...boundary, prefix]), sessionId: session.id })) expect(() => { dispatch(ctx, misplaced) }).toThrow(/diverges from the boundary derivation/) }) it('rejects a frozen request whose messages diverge from the boundary derivation', async () => { const { ctx, session, boundary } = await requestSetup() const messages = [...boundary, { role: 'user', content: [{ type: 'text', text: 'phantom' }] }] - const options = Object.freeze({ model: 'm', messages: Object.freeze(messages), sessionId: session.id }) + const options = loopRequest(Object.freeze({ model: 'm', messages: Object.freeze(messages), sessionId: session.id })) expect(() => { dispatch(ctx, options) }).toThrow(/diverges from the boundary derivation/) }) it('rejects a frozen request whose fields diverge from the folded header', async () => { const { ctx, session, boundary } = await requestSetup() - const options = Object.freeze({ model: 'other', messages: Object.freeze(boundary), sessionId: session.id }) + const options = loopRequest(Object.freeze({ model: 'other', messages: Object.freeze(boundary), sessionId: session.id })) expect(() => { dispatch(ctx, options) }).toThrow(/diverges from the folded request header/) }) @@ -846,7 +852,7 @@ describe('request-reconstruction cross-check (llm/stream)', () => { const { ctx } = await setup() const session = ctx.sessions.create(SessionId('req-bare')) session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) - const bare = Object.freeze({ model: 'm', messages: Object.freeze([]), sessionId: session.id }) + const bare = loopRequest(Object.freeze({ model: 'm', messages: Object.freeze([]), sessionId: session.id })) expect(() => { dispatch(ctx, bare) }).toThrow(/no step\/start/) session.append('step/start', { turn: 1, step: 1 }) @@ -855,7 +861,7 @@ describe('request-reconstruction cross-check (llm/stream)', () => { it('rejects a frozen request carrying an unfrozen messages array', async () => { const { ctx, session, boundary } = await requestSetup() - const options = Object.freeze({ model: 'm', messages: [...boundary], sessionId: session.id }) + const options = loopRequest(Object.freeze({ model: 'm', messages: [...boundary], sessionId: session.id })) expect(() => { dispatch(ctx, options) }).toThrow(/frozen messages array/) }) @@ -866,10 +872,32 @@ describe('request-reconstruction cross-check (llm/stream)', () => { expect(() => { dispatch(ctx, options) }).not.toThrow() }) + it('skips frozen auxiliary requests that were not built by the loop', async () => { + const { ctx, session } = await requestSetup() + const options = Object.freeze({ + model: 'title-model', + messages: Object.freeze([{ role: 'user', content: [{ type: 'text', text: 'title this session' }] }]), + sessionId: session.id, + }) + expect(() => { dispatch(ctx, options) }).not.toThrow() + }) + + it('rejects a marked loop request without its frozen envelope or session identity', async () => { + const { ctx } = await requestSetup() + expect(() => { + dispatch(ctx, loopRequest({ model: 'm', messages: Object.freeze([]) })) + }).toThrow(/frozen envelope/) + expect(() => { + dispatch(ctx, loopRequest(Object.freeze({ model: 'm', messages: Object.freeze([]) }))) + }).toThrow(/sessionId/) + }) + it('skips requests without a sessionId or with an unknown session', async () => { const { ctx } = await requestSetup() expect(() => { dispatch(ctx, Object.freeze({ model: 'm', messages: Object.freeze([]) })) }).not.toThrow() - expect(() => { dispatch(ctx, Object.freeze({ model: 'm', messages: Object.freeze([]), sessionId: SessionId('ghost') })) }).not.toThrow() + expect(() => { + dispatch(ctx, loopRequest(Object.freeze({ model: 'm', messages: Object.freeze([]), sessionId: SessionId('ghost') }))) + }).not.toThrow() }) }) @@ -888,11 +916,11 @@ describe('request cross-check ordering (prepend)', () => { session.append('step/start', { turn: 1, step: 1 }) session.append('request/header', { header: { config: { provider: 'mock', model: 'm' } }, reason: 'initial' }) - const divergent = Object.freeze({ + const divergent = markAgentLoopRequest(Object.freeze({ model: 'm', messages: Object.freeze([{ role: 'user', content: [{ type: 'text', text: 'phantom' }] }]), sessionId: session.id, - }) + }) as unknown as GenerateOptions) expect(() => { void ctx.waterfall('llm/stream', divergent as never, () => (async function* () {})() as never) }).toThrow(/diverges from the boundary derivation/) From d9557fa5e07240d52b6a2e0202f49938e56a8067 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 14:39:09 +0800 Subject: [PATCH 20/28] fix(session-title): serialize provider request writes --- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +- .../2026-07-21-log-backed-session-titles.md | 2 +- ...2026-07-21-log-backed-session-titles.zh.md | 2 +- docs/config-catalog.md | 2 +- docs/cordis-catalog/services.md | 2 +- docs/persistence-catalog.md | 4 +- .../session-title/session-title-llm/README.md | 2 +- .../session-title-llm/src/index.ts | 10 ++- .../session-title/session-title/README.md | 2 +- .../session-title/session-title/src/index.ts | 55 ++++++++++-- .../tests/service-contracts.spec.ts | 83 +++++++++++++++++++ 11 files changed, 150 insertions(+), 18 deletions(-) diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index ebc6a207fb..a92265acae 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: 18e7f53c701605971c45c0afff4d7e91d141191e -2026-07-21-log-backed-session-titles.zh.md: b9a6b8c7e8c4ca8ae7cb66c1209f9096cc2548cb +2026-07-21-log-backed-session-titles.md: 483fbdba1f89703f4baeadfe76623e143a008c7e +2026-07-21-log-backed-session-titles.zh.md: 4e5d16196dbd4dd498489ab0dd7939e295522a08 diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index 18e7f53c70..483fbdba1f 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -24,7 +24,7 @@ The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugi Only text blocks from human-source `user/message` events are eligible. Empty, control-only, and non-text prompts wait for the next eligible message. The service schedules the first fallback without awaiting it from the prompt path, normalizes whitespace and control sequences, applies the configured word and UTF-8 byte limits without splitting a code point, and records the first message seq. -Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the marked loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. +Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the marked loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. All title-capability out-of-band writes share a per-session settlement queue; a replacement model request waits for any earlier title write, while the superseded model call itself remains independently abortable and cannot commit stale output. The first-message provider schedules once when a fresh session first creates its fallback. An automatic failure does not reschedule on later prompts; `refresh()` is the retry path. The all-messages provider schedules after every eligible human prompt and passes all eligible messages through that revision, including seeded history. Its newer revision aborts and supersedes older pending or active work. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index b9a6b8c7e8..4e5d16196d 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -24,7 +24,7 @@ Status: implemented 只有人类来源的 `user/message` 事件中的文本块才符合条件。空提示词、仅含控制字符的提示词和非文本提示词会等待下一条合格消息。服务从提示词路径调度首个回退标题而不等待其完成，随后规范化空白和控制序列，应用已配置的单词数和 UTF-8 字节限制且不拆分代码点，并记录第一条消息的 seq。 -仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建并带有标记的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。 +仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建并带有标记的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。会话标题功能产生的所有带外写入在每个会话内共用一个结算队列；接替执行的模型请求会等待任何更早的标题写入完成，而被取代的模型调用本身仍可独立中止，且无法提交陈旧输出。 首消息提供方仅在新会话首次创建回退标题时调度一次。自动执行失败后，后续提示词不会重新调度；`refresh()` 是重试路径。全部消息提供方会在每条合格且由人类发出的提示词后调度，并传入截至该修订的所有合格消息，包括预置历史记录。较新的修订会中止并取代更早的待执行或活跃工作。 diff --git a/docs/config-catalog.md b/docs/config-catalog.md index 55a20b4c5c..caf8b8fd58 100644 --- a/docs/config-catalog.md +++ b/docs/config-catalog.md @@ -884,7 +884,7 @@ export interface Config { } ``` -Source: [`packages/session-title/session-title/src/index.ts:64`](../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:69`](../packages/session-title/session-title/src/index.ts) ## `@deepseek-ai/dsh-session-title-all-messages-llm` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index a7a47b5fe6..c5aedf9dbe 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -1023,7 +1023,7 @@ register(provider: SessionTitleProvider): () => Promise Types: [Session](../core-data-structures/session.md) · [SessionTitleProvider](../core-data-structures/session-title.md) · [SessionTitleSnapshot](../core-data-structures/session-title.md) -Source: [`packages/session-title/session-title/src/index.ts:236`](../../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:281`](../../packages/session-title/session-title/src/index.ts) ## `ctx.skills` — `SkillService` diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md index 43218c047a..8c099d2997 100644 --- a/docs/persistence-catalog.md +++ b/docs/persistence-catalog.md @@ -390,7 +390,7 @@ Source: [`packages/sandbox/sandbox-policy/src/session-mode.ts:34`](../packages/s Types: [SessionTitleEventData](core-data-structures/session-title.md) -Source: [`packages/session-title/session-title/src/index.ts:90`](../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:95`](../packages/session-title/session-title/src/index.ts) #### `session/title-llm-request` — log-only @@ -401,7 +401,7 @@ Source: [`packages/session-title/session-title/src/index.ts:90`](../packages/ses Types: [SessionTitleLlmRequestEventData](core-data-structures/session-title.md) -Source: [`packages/session-title/session-title-llm/src/index.ts:40`](../packages/session-title/session-title-llm/src/index.ts) +Source: [`packages/session-title/session-title-llm/src/index.ts:44`](../packages/session-title/session-title-llm/src/index.ts) ### `steering/*` diff --git a/packages/session-title/session-title-llm/README.md b/packages/session-title/session-title-llm/README.md index ebe4461aa8..b5df1ba10e 100644 --- a/packages/session-title/session-title-llm/README.md +++ b/packages/session-title/session-title-llm/README.md @@ -8,7 +8,7 @@ This package is a library, not a Cordis plugin. The provider plugins call `regis `provider` and `model` overrides are optional but must be supplied together as non-empty strings. Without that pair, the helper uses the exact provider/model route captured from the current session's logged `request/header`; an explicit refresh before any route exists therefore needs overrides. Input exceeding `maxInputBytes` rejects instead of being truncated. Timeout, cancellation, malformed or empty output, tool calls, and non-stop finish reasons also reject; the session-title service decides whether that rejection is an automatic warning or an explicit caller failure. -After route and input validation, the helper appends a log-only `session/title-llm-request` event before model dispatch. It contains the title-provider id, exact source seqs, route, system prompt, message list, and output-token cap used by the call. The dispatched envelope is deep-frozen to keep interceptors aligned with that record but deliberately lacks dsh-agent-loop's process-local request identity, so loop-only reconstruction observers do not compare it with the conversation header. A later model failure leaves that request record intact; validation failures that never become dispatchable requests do not create one. The event stays outside derived model history. +After route and input validation, the helper appends a log-only `session/title-llm-request` event before model dispatch. It contains the title-provider id, exact source seqs, route, system prompt, message list, and output-token cap used by the call. The append shares the title capability's per-session settlement queue, so a superseding request cannot collide with an earlier fallback, request record, or accepted-title flush. The dispatched envelope is deep-frozen to keep interceptors aligned with that record but deliberately lacks dsh-agent-loop's process-local request identity, so loop-only reconstruction observers do not compare it with the conversation header. A later model failure leaves that request record intact; validation failures that never become dispatchable requests do not create one. The event stays outside derived model history. ## Configuration diff --git a/packages/session-title/session-title-llm/src/index.ts b/packages/session-title/session-title-llm/src/index.ts index c7ffc1eb1c..572145e89a 100644 --- a/packages/session-title/session-title-llm/src/index.ts +++ b/packages/session-title/session-title-llm/src/index.ts @@ -9,7 +9,11 @@ import z from 'schemastery' import { BlockAssembler, deepFreeze } from '@deepseek-ai/dsh-llm' import type { FinishReason, GenerateOptions, Message } from '@deepseek-ai/dsh-llm' import { deadline, MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout' -import { normalizeSessionTitle, SessionTitleProviderId } from '@deepseek-ai/dsh-session-title' +import { + appendSessionTitleOutOfBand, + normalizeSessionTitle, + SessionTitleProviderId, +} from '@deepseek-ai/dsh-session-title' import type { SessionTitleAutomaticMode, SessionTitleModelProvenance, @@ -258,14 +262,14 @@ export async function generateSessionTitleWithLlm( sessionId: request.session.id, signal: callDeadline.signal, }) - await ctx.sessions.appendOutOfBand(request.session, 'session/title-llm-request', { + await appendSessionTitleOutOfBand(ctx, request.session, 'session/title-llm-request', { titleProvider, messageSeqs: selectedMessages.map(message => message.seq), route, system, messages, maxTokens: config.maxOutputTokens, - }, { kind: 'session-title' }) + }, callDeadline.signal) callDeadline.signal.throwIfAborted() const assembler = new BlockAssembler() for await (const chunk of ctx.llm.stream(options)) assembler.push(chunk) diff --git a/packages/session-title/session-title/README.md b/packages/session-title/session-title/README.md index 218637d29c..e8538a1d0c 100644 --- a/packages/session-title/session-title/README.md +++ b/packages/session-title/session-title/README.md @@ -10,7 +10,7 @@ Only text blocks from human `user/message` events are eligible. The first eligib - `refresh(session, signal?)` materializes the fallback when needed, then explicitly runs the registered provider over the current eligible messages. Provider errors and caller cancellation reject; cancellation does not roll back a fallback append already entering durability. - `register(provider)` installs the sole optional provider and returns its awaitable Cordis effect disposer. A second registration throws immediately; disposal aborts pending and active calls, waits for their settlement, and only then permits another provider to register. -Automatic work never delays the main agent response. A provider starts only after a marked loop-built request's exact route matches the current logged `request/header`, including when the unchanged header needs no new snapshot. Its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits, so only the newest call may reach the provider. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. +Automatic work never delays the main agent response. A provider starts only after a marked loop-built request's exact route matches the current logged `request/header`, including when the unchanged header needs no new snapshot. Its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits. Service and bundled model-provider records use `appendSessionTitleOutOfBand()` to share a per-session settlement queue, so a replacement request record waits for an earlier title write without serializing the superseded model call itself. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. Forks inherit title events in their seed unchanged. The first-message cadence does not automatically retitle a child; the all-messages cadence may append a new revision after the child receives a later human prompt. diff --git a/packages/session-title/session-title/src/index.ts b/packages/session-title/session-title/src/index.ts index 35e92f7a94..4059b7cd47 100644 --- a/packages/session-title/session-title/src/index.ts +++ b/packages/session-title/session-title/src/index.ts @@ -8,7 +8,12 @@ import z from 'schemastery' import type { Branded } from '@deepseek-ai/dsh-brand' import { deepFreeze, isAgentLoopRequest } from '@deepseek-ai/dsh-llm' import type { GenerateOptions } from '@deepseek-ai/dsh-llm' -import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' +import type { + OutOfBandSessionEventType, + Session, + SessionEvent, + SessionEventMap, +} from '@deepseek-ai/dsh-session' import { fallbackSessionTitle, normalizeSessionTitle } from './normalize.ts' export { fallbackSessionTitle, normalizeSessionTitle, truncateTitleUtf8 } from './normalize.ts' @@ -95,6 +100,46 @@ declare module '@deepseek-ai/dsh-session' { } } +/** Per-session settlement tails for title-capability out-of-band writes. */ +const SESSION_TITLE_WRITE_TAILS = new WeakMap>() + +/** Convert either write outcome into a fulfilled queue tail. */ +function settleSessionTitleWrite(): void {} + +/** + * Serialize one title-capability out-of-band event with its session peers. + * Cancellation is checked when the write reaches the head of the queue; once + * the core append starts, its durability contract runs to completion. + * @param ctx - context exposing the live session store. + * @param session - exact live session that owns the title-capability event. + * @param type - plugin-declared log-only title event type. + * @param data - typed JSON payload for the event. + * @param signal - service or provider lifetime checked before publication starts. + * @returns the durably accepted event. + */ +export async function appendSessionTitleOutOfBand( + ctx: Context, + session: Session, + type: T, + data: SessionEventMap[T], + signal: AbortSignal, +): Promise> { + const predecessor = SESSION_TITLE_WRITE_TAILS.get(session) + const run = Promise.resolve(predecessor).then(() => { + signal.throwIfAborted() + return ctx.sessions.appendOutOfBand(session, type, data, { kind: 'session-title' }) + }) + const tail = run.then(settleSessionTitleWrite, settleSessionTitleWrite) + SESSION_TITLE_WRITE_TAILS.set(session, tail) + try { + return await run + } finally { + if (SESSION_TITLE_WRITE_TAILS.get(session) === tail) { + SESSION_TITLE_WRITE_TAILS.delete(session) + } + } +} + /** One eligible human text message exposed to title providers. */ export interface SessionTitleUserMessage { /** Source `user/message` event seq. */ @@ -481,7 +526,7 @@ export class SessionTitleService extends Service { }) this.assertCurrent(session, work) const accepted = this.validateResult(result, messages) - await this.ctx.sessions.appendOutOfBand(session, 'session/title', { + await appendSessionTitleOutOfBand(this.ctx, session, 'session/title', { title: accepted.title, messageSeqs: [...accepted.messageSeqs], source: { @@ -489,7 +534,7 @@ export class SessionTitleService extends Service { provider: work.registration.provider.id, ...accepted.model === undefined ? {} : { model: accepted.model }, }, - }, { kind: 'session-title' }) + }, work.signal) return this.get(session) } finally { const state = this.work.get(session) @@ -662,11 +707,11 @@ export class SessionTitleService extends Service { this.config.fallbackMaxBytes, ) if (title.length === 0) return undefined - await this.ctx.sessions.appendOutOfBand(session, 'session/title', { + await appendSessionTitleOutOfBand(this.ctx, session, 'session/title', { title, messageSeqs: [first.seq], source: { kind: 'fallback' }, - }, { kind: 'session-title' }) + }, this.lifetime.signal) return this.get(session) } } diff --git a/packages/session-title/session-title/tests/service-contracts.spec.ts b/packages/session-title/session-title/tests/service-contracts.spec.ts index 802fb70d5b..b46f4637d7 100644 --- a/packages/session-title/session-title/tests/service-contracts.spec.ts +++ b/packages/session-title/session-title/tests/service-contracts.spec.ts @@ -2,6 +2,7 @@ import { Context, type Fiber } from 'cordis' import { describe, expect, it, vi } from 'vitest' import SessionStore, { Session, SessionId } from '@deepseek-ai/dsh-session' import SessionTitleService, { + appendSessionTitleOutOfBand, SessionTitleProviderId, type Config, type SessionTitleProvider, @@ -9,6 +10,16 @@ import SessionTitleService, { type SessionTitleProviderResult, } from '@deepseek-ai/dsh-session-title' +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + 'test/title-provider-request': { revision: number } + } + + interface OutOfBandSessionEventMap { + 'test/title-provider-request': true + } +} + const CONFIG = { fallbackMaxWords: 5, fallbackMaxBytes: 40, @@ -247,6 +258,78 @@ describe('SessionTitleService configuration and refresh boundaries', () => { expect(olderError.message).toMatch(/superseded/) }) + it('serializes a newer provider write after the superseded write', async () => { + const ctx = await setup() + const session = startSession(ctx, 'refresh-provider-write-order') + const source = appendPrompt(session, 'Serialize explicit provider writes') + await settle() + session.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + const flushStarted = deferred() + const releaseFlush = deferred() + let flushCount = 0 + ctx.on('session/flush', async (subject) => { + if (subject !== session || ++flushCount !== 1) return + flushStarted.resolve(undefined) + await releaseFlush.promise + }) + let generation = 0 + ctx.sessionTitle.register({ + id: SessionTitleProviderId('refresh-provider-write-order'), + automatic: 'first-message', + async generate(request) { + generation += 1 + const revision = generation + await appendSessionTitleOutOfBand(ctx, request.session, 'test/title-provider-request', { + revision, + }, request.signal) + return { + title: `Generated title ${revision}`, + messageSeqs: [source.seq], + } + }, + }) + + const older = ctx.sessionTitle.refresh(session) + const olderOutcome = older.then( + () => undefined, + (error: unknown) => error, + ) + await flushStarted.promise + const middle = ctx.sessionTitle.refresh(session) + const middleOutcome = middle.then( + value => value, + (error: unknown) => error, + ) + await settle() + + expect(generation).toBe(2) + expect(session.events.filter(event => event.type === 'test/title-provider-request')) + .toHaveLength(1) + const newer = ctx.sessionTitle.refresh(session) + const newerOutcome = newer.then( + value => value, + (error: unknown) => error, + ) + await settle() + expect(generation).toBe(3) + expect(session.events.filter(event => event.type === 'test/title-provider-request')) + .toHaveLength(1) + + releaseFlush.resolve(undefined) + const newerResult = await newerOutcome + expect(newerResult).toMatchObject({ title: 'Generated title 3' }) + const olderError = await olderOutcome + expect(olderError).toBeInstanceOf(Error) + if (!(olderError instanceof Error)) throw new Error('expected older refresh to reject') + expect(olderError.message).toMatch(/superseded/) + const middleError = await middleOutcome + expect(middleError).toBeInstanceOf(Error) + if (!(middleError instanceof Error)) throw new Error('expected middle refresh to reject') + expect(middleError.message).toMatch(/superseded/) + expect(session.events.filter(event => event.type === 'test/title-provider-request').map(event => event.data.revision)) + .toEqual([1, 3]) + }) + it('cancels a queued fallback when the session-title service unloads', async () => { const ctx = new Context() await ctx.plugin(SessionStore) From fac3fc090f203b54a66e7f6fd88613e209a1a806 Mon Sep 17 00:00:00 2001 From: Turtle Date: Tue, 21 Jul 2026 14:43:38 +0800 Subject: [PATCH 21/28] fix(paths): treat empty DSH_HOME as unset; isolate telemetry env test Review fixes for #462: - resolveDshHome now treats an empty or whitespace-only $DSH_HOME as unset, so a blank override never resolves the home to cwd via resolve(''). Restores the guard telemetry's old resolver carried. - The default-env telemetry test asserts only that globalConfigDir() returns an absolute path, so a machine DSH_HOME without a .dsh suffix cannot break it. --- .../2026-07-24-single-harness-home-resolver.i18n.yaml | 4 ++-- .../2026-07-24-single-harness-home-resolver.md | 2 +- .../2026-07-24-single-harness-home-resolver.zh.md | 2 +- packages/sdk/telemetry/tests/anonymous-id.spec.ts | 6 ++++-- packages/util/paths/src/index.ts | 7 +++++-- packages/util/paths/tests/paths.spec.ts | 5 +++++ 6 files changed, 18 insertions(+), 8 deletions(-) diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml index 2dd6b4e934..081e9ee4ca 100644 --- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-24-single-harness-home-resolver.md: ec733dedc812ac029fb8aace074c35b7c3ccb873 -2026-07-24-single-harness-home-resolver.zh.md: 61bdee119f6cb729f751c8a65b4360da5a259028 +2026-07-24-single-harness-home-resolver.md: 9212a424db5fa0b77c0b482e29527a72f1656a0c +2026-07-24-single-harness-home-resolver.zh.md: 33f3fea5145497924a6a6d9738e076bedb781943 diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md index ec733dedc8..9212a424db 100644 --- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md @@ -22,7 +22,7 @@ One resolver owns the harness home, in `@deepseek-ai/dsh-paths`, single-root: explicit configured path > $DSH_HOME > ~/.dsh ``` -The harness keeps all user data under one root; there is no XDG config/data/cache split. `dshHomeDisplay()` names a resolved root symbolically for user-facing paths — `~/.dsh` for the default home, `$DSH_HOME` for any configured home — so the user-global `AGENTS.md` label never leaks an absolute machine path. It replaces workspace-context's bespoke default-vs-`$DSH_HOME` check. +An empty or whitespace-only `$DSH_HOME` is treated as unset, matching the guard telemetry's old resolver carried: without it `resolve('')` would silently place the home at the current working directory. The harness keeps all user data under one root; there is no XDG config/data/cache split. `dshHomeDisplay()` names a resolved root symbolically for user-facing paths — `~/.dsh` for the default home, `$DSH_HOME` for any configured home — so the user-global `AGENTS.md` label never leaks an absolute machine path. It replaces workspace-context's bespoke default-vs-`$DSH_HOME` check. `@deepseek-ai/dsh-home` is deleted. Its three importers (`dsh-tool-bash`, `dsh-skill-local`, `dsh-agent-spine-demo`) now import `resolveDshHome` from `dsh-paths`. `dsh-telemetry`'s `globalConfigDir` delegates to `resolveDshHome`, dropping its second resolver, the `DSH_CONFIG_HOME` override, the XDG/`%APPDATA%` branches, and the `deepseek-harness` namespace; the anonymous id now lives directly under the harness home. diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md index 61bdee119f..33f3fea514 100644 --- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md @@ -22,7 +22,7 @@ Status: implemented explicit configured path > $DSH_HOME > ~/.dsh ``` -harness 把所有用户数据都放在同一个根目录下；不存在 XDG 的 config/data/cache 拆分。`dshHomeDisplay()` 为面向用户的路径以符号形式命名已解析的根目录——默认 home 显示为 `~/.dsh`，任何已配置的 home 显示为 `$DSH_HOME`——这样面向用户全局的 `AGENTS.md` 标签就绝不会泄露机器上的绝对路径。它取代了 workspace-context 中自定义的"默认值 vs `$DSH_HOME`"判断。 +空或仅含空白的 `$DSH_HOME` 被当作未设置处理，这与 telemetry 旧解析器所带的保护一致：若无此保护，`resolve('')` 会悄悄把 home 落在当前工作目录。harness 把所有用户数据都放在同一个根目录下；不存在 XDG 的 config/data/cache 拆分。`dshHomeDisplay()` 为面向用户的路径以符号形式命名已解析的根目录——默认 home 显示为 `~/.dsh`，任何已配置的 home 显示为 `$DSH_HOME`——这样面向用户全局的 `AGENTS.md` 标签就绝不会泄露机器上的绝对路径。它取代了 workspace-context 中自定义的"默认值 vs `$DSH_HOME`"判断。 `@deepseek-ai/dsh-home` 被删除。它的三个引用方（`dsh-tool-bash`、`dsh-skill-local`、`dsh-agent-spine-demo`）现在从 `dsh-paths` 导入 `resolveDshHome`。`dsh-telemetry` 的 `globalConfigDir` 转而委托给 `resolveDshHome`，去掉了它的第二个解析器、`DSH_CONFIG_HOME` 覆盖项、XDG/`%APPDATA%` 分支以及 `deepseek-harness` 命名空间；匿名 id 现在直接存放在 harness home 之下。 diff --git a/packages/sdk/telemetry/tests/anonymous-id.spec.ts b/packages/sdk/telemetry/tests/anonymous-id.spec.ts index 9f2ab8f41e..7bd5fb1924 100644 --- a/packages/sdk/telemetry/tests/anonymous-id.spec.ts +++ b/packages/sdk/telemetry/tests/anonymous-id.spec.ts @@ -1,6 +1,6 @@ import { mkdtemp, readFile, rm, writeFile } from 'node:fs/promises' import { tmpdir } from 'node:os' -import { join, resolve } from 'node:path' +import { isAbsolute, join, resolve } from 'node:path' import { defaultDshHome } from '@deepseek-ai/dsh-paths' import { afterEach, describe, expect, it } from 'vitest' import { @@ -34,7 +34,9 @@ describe('globalConfigDir', () => { it('reads process.env by default', () => { // No override supplied: the call must not throw and must return an absolute path. - expect(globalConfigDir()).toContain('.dsh') + // The ambient DSH_HOME is unknown here, so assert only the invariant the + // resolver guarantees rather than a specific location. + expect(isAbsolute(globalConfigDir())).toBe(true) }) }) diff --git a/packages/util/paths/src/index.ts b/packages/util/paths/src/index.ts index 41c07cabe1..c54a5e0a5f 100644 --- a/packages/util/paths/src/index.ts +++ b/packages/util/paths/src/index.ts @@ -39,13 +39,16 @@ export function expandHomePath(path: string): string { * Resolve the single-root DeepSeek Harness home. * * Precedence, highest first: an explicit configured path, `$DSH_HOME`, then - * `~/.dsh`. The harness keeps all user data under one root. + * `~/.dsh`. The harness keeps all user data under one root. An empty or + * whitespace-only `$DSH_HOME` is treated as unset, so a blank override never + * resolves the home to the current working directory. * @param configured - explicit harness-home override, which has highest precedence. * @param env - environment mapping used to read `DSH_HOME`. * @returns the normalized absolute harness home path. */ export function resolveDshHome(configured?: string, env: Record = process.env): string { - const selected = configured ?? env[DSH_HOME_ENV] ?? defaultDshHome() + const fromEnv = env[DSH_HOME_ENV] + const selected = configured ?? (fromEnv !== undefined && fromEnv.trim().length > 0 ? fromEnv : defaultDshHome()) return resolve(expandHomePath(selected)) } diff --git a/packages/util/paths/tests/paths.spec.ts b/packages/util/paths/tests/paths.spec.ts index 7682956e8d..e7b3804b23 100644 --- a/packages/util/paths/tests/paths.spec.ts +++ b/packages/util/paths/tests/paths.spec.ts @@ -33,6 +33,11 @@ describe('dsh path helpers', () => { expect(resolveDshHome(undefined, {})).toBe(defaultDshHome()) }) + it('treats an empty or whitespace-only DSH_HOME as unset', () => { + expect(resolveDshHome(undefined, { DSH_HOME: '' })).toBe(defaultDshHome()) + expect(resolveDshHome(undefined, { DSH_HOME: ' ' })).toBe(defaultDshHome()) + }) + it('labels a resolved home by whether it is the default root', () => { expect(dshHomeDisplay(resolve(defaultDshHome()))).toBe('~/.dsh') expect(dshHomeDisplay('/some/other/root')).toBe('$DSH_HOME') From 9b048354b8e698147cb793f223b5f89f25640f27 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 15:00:15 +0800 Subject: [PATCH 22/28] fix(session-title): enforce framed input and deadline --- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +- .../2026-07-21-log-backed-session-titles.md | 2 +- ...2026-07-21-log-backed-session-titles.zh.md | 2 +- .../session-title-all-messages-llm/README.md | 2 +- .../session-title/session-title-llm/README.md | 6 +-- .../session-title-llm/src/index.ts | 13 +++-- .../session-title-llm/tests/llm.spec.ts | 48 +++++++++++++++++-- 7 files changed, 61 insertions(+), 16 deletions(-) diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index a92265acae..fac3a1d2fa 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: 483fbdba1f89703f4baeadfe76623e143a008c7e -2026-07-21-log-backed-session-titles.zh.md: 4e5d16196dbd4dd498489ab0dd7939e295522a08 +2026-07-21-log-backed-session-titles.md: c78f4f16d12cdfacbf7bf5d494e93276d6ac9769 +2026-07-21-log-backed-session-titles.zh.md: 845ea9fbc1c50574d61086b9c744d2efe65cf433 diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index 483fbdba1f..c78f4f16d1 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -32,7 +32,7 @@ The first-message provider schedules once when a fresh session first creates its `register(provider)` validates one branded stable id, cadence, and generation function, then returns an awaitable effect disposer. A second live registration throws immediately. Provider disposal marks the registration closing, aborts its pending and active work, and waits for every call to settle before removing the registration, so replacement cannot overlap a provider that ignores cancellation. Session disposal aborts its active work. Service teardown prevents queued fallback and provider microtasks from starting, aborts active work, and drains tracked promises before unloading completes. Every session-local generation has a monotonic revision and exact registration identity; acceptance rechecks revision, registration, session liveness, service liveness, and cancellation, so stale output cannot commit. -Model providers require explicit word, CJK-character, input-byte, output-token, and timeout limits. Optional `provider` and `model` overrides are a pair; without them the helper uses the exact route from the logged main request header. Selected messages are framed as JSON under one fixed language-aware instruction. Oversized input is rejected rather than truncated because truncation would make the recorded source seqs falsely imply complete use. +Model providers require explicit word, CJK-character, input-byte, output-token, and timeout limits. Optional `provider` and `model` overrides are a pair; without them the helper uses the exact route from the logged main request header. Selected messages are framed as JSON under one fixed language-aware instruction. The input limit measures that final user prompt, including wrappers, seq fields, and JSON escaping, before the request is logged or dispatched. Oversized input is rejected rather than truncated because truncation would make the recorded source seqs falsely imply complete use. The fused deadline is checked while consuming each stream chunk and after completion, so a successful result returned after timeout cannot be accepted even when an interceptor or adapter ignores abort. Automatic provider failures are nonfatal warnings and retain the latest title. Explicit refresh failures reject to the caller. Output must be non-empty text with unique ordered seqs drawn from the fixed request; the service normalizes and byte-limits it before durable acceptance. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index 4e5d16196d..845ea9fbc1 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -32,7 +32,7 @@ Status: implemented `register(provider)` 会验证一个带品牌类型的稳定 id、执行时机和生成函数，然后返回一个可等待完成的 effect 资源释放函数。第二个活跃注册会立即抛出错误。提供方执行资源释放时，会将注册标记为正在关闭，中止其待执行和活跃工作，并等待所有调用结束后才移除注册，因此替代提供方不会与忽略取消的旧提供方重叠运行。会话资源释放会中止其活跃工作。服务卸载时，会阻止排队中的回退和提供方微任务启动，中止活跃工作，并且卸载完成前会等待所有已跟踪的 promise 结算。每项会话本地生成都有单调递增的修订号和对应的注册身份；接受结果时会重新检查修订号、注册、会话活跃状态、服务活跃状态和取消状态，因此陈旧输出无法提交。 -模型提供方必须显式配置单词数、CJK 字符数、输入字节数、输出 token 数和超时限制。可选的 `provider` 和 `model` 覆盖项必须成对提供；两者均未提供时，辅助组件会使用主请求已记录请求头中的准确路由。系统在一条固定且能区分语言的指令下，将选中的消息封装为 JSON。过大输入会被拒绝而不是截断，因为截断会让记录的源消息 seq 错误地表示这些消息已被完整使用。 +模型提供方必须显式配置单词数、CJK 字符数、输入字节数、输出 token 数和超时限制。可选的 `provider` 和 `model` 覆盖项必须成对提供；两者均未提供时，辅助组件会使用主请求已记录请求头中的准确路由。系统在一条固定且能区分语言的指令下，将选中的消息封装为 JSON。输入字节数按最终形成的用户提示词计算，其中包括包装文本、seq 字段和 JSON 转义；系统会在记录请求或发起调用前完成这项检查。过大输入会被拒绝而不是截断，因为截断会让记录的源消息 seq 错误地表示这些消息已被完整使用。系统在消费每个流分片时以及流完成后都会检查融合后的截止时间，因此即使拦截器或适配器忽略中止信号，超时后返回的成功结果也不会被接受。 自动提供方故障只会发出非致命警告，并保留最新标题。显式刷新失败则会向调用方返回拒绝。输出必须是非空文本，并包含来自固定请求、唯一且有序的 seq；服务会在持久接受前对其进行规范化并施加字节限制。 diff --git a/packages/session-title/session-title-all-messages-llm/README.md b/packages/session-title/session-title-all-messages-llm/README.md index 553064f3a2..5ca63aa18d 100644 --- a/packages/session-title/session-title-all-messages-llm/README.md +++ b/packages/session-title/session-title-all-messages-llm/README.md @@ -2,7 +2,7 @@ Optional `ctx.sessionTitle` provider that summarizes every eligible human message through `ctx.llm`. It registers the `all-user-messages` cadence and starts a new revision after each new human prompt, using seeded history as well as child-session prompts. A newer revision aborts and supersedes older work; even a provider that ignores cancellation cannot commit stale output. -The plugin uses the complete required [shared LLM configuration](../session-title-llm/README.md#configuration). Omit both `provider` and `model` to inherit the exact route from each current logged main request, or set both to route title generation independently. If aggregate input exceeds `maxInputBytes`, the request fails instead of truncating history; automatic use warns and keeps the prior title. +The plugin uses the complete required [shared LLM configuration](../session-title-llm/README.md#configuration). Omit both `provider` and `model` to inherit the exact route from each current logged main request, or set both to route title generation independently. If the final framed aggregate prompt exceeds `maxInputBytes`, the request fails instead of truncating history; automatic use warns and keeps the prior title. ## Model Experience diff --git a/packages/session-title/session-title-llm/README.md b/packages/session-title/session-title-llm/README.md index b5df1ba10e..49ac5bc8aa 100644 --- a/packages/session-title/session-title-llm/README.md +++ b/packages/session-title/session-title-llm/README.md @@ -6,7 +6,7 @@ This package is a library, not a Cordis plugin. The provider plugins call `regis ## Route and failure contract -`provider` and `model` overrides are optional but must be supplied together as non-empty strings. Without that pair, the helper uses the exact provider/model route captured from the current session's logged `request/header`; an explicit refresh before any route exists therefore needs overrides. Input exceeding `maxInputBytes` rejects instead of being truncated. Timeout, cancellation, malformed or empty output, tool calls, and non-stop finish reasons also reject; the session-title service decides whether that rejection is an automatic warning or an explicit caller failure. +`provider` and `model` overrides are optional but must be supplied together as non-empty strings. Without that pair, the helper uses the exact provider/model route captured from the current session's logged `request/header`; an explicit refresh before any route exists therefore needs overrides. The helper measures the final JSON-framed user prompt, including seq fields, wrappers, and JSON escaping, against `maxInputBytes` before logging or dispatch instead of truncating it. Timeout and caller cancellation are rechecked while consuming the stream and after it completes, so a late successful result cannot be accepted even if an interceptor or adapter ignores abort. Malformed or empty output, tool calls, and non-stop finish reasons also reject; the session-title service decides whether that rejection is an automatic warning or an explicit caller failure. After route and input validation, the helper appends a log-only `session/title-llm-request` event before model dispatch. It contains the title-provider id, exact source seqs, route, system prompt, message list, and output-token cap used by the call. The append shares the title capability's per-session settlement queue, so a superseding request cannot collide with an earlier fallback, request record, or accepted-title flush. The dispatched envelope is deep-frozen to keep interceptors aligned with that record but deliberately lacks dsh-agent-loop's process-local request identity, so loop-only reconstruction observers do not compare it with the conversation header. A later model failure leaves that request record intact; validation failures that never become dispatchable requests do not create one. The event stays outside derived model history. @@ -18,7 +18,7 @@ Every field is required except the paired route override; there are no library d |---|---| | `targetWords` | Positive target word count for non-CJK titles. | | `targetCjkCharacters` | Positive target character count for Chinese, Japanese, or Korean titles. | -| `maxInputBytes` | Positive aggregate UTF-8 byte ceiling across selected messages. | +| `maxInputBytes` | Positive UTF-8 byte ceiling for the final JSON-framed user prompt. | | `maxOutputTokens` | Positive auxiliary generation token cap. | | `timeoutMs` | Positive end-to-end deadline within the runtime timer limit. | | `provider`, `model` | Optional explicit route; both or neither. | @@ -42,4 +42,4 @@ No main-request invalidation. Auxiliary cache reuse is provider-specific; the fi ## Known Limitations and Deferred Work - The helper accepts text output only and rejects tool calls; structured-output adapters and provider-specific prompt variants are not exposed. -- It enforces a byte ceiling for the whole selected input rather than clipping individual messages or applying a retention policy. +- It enforces a byte ceiling for the whole framed user prompt rather than clipping individual messages or applying a retention policy. diff --git a/packages/session-title/session-title-llm/src/index.ts b/packages/session-title/session-title-llm/src/index.ts index 572145e89a..b17c3e278f 100644 --- a/packages/session-title/session-title-llm/src/index.ts +++ b/packages/session-title/session-title-llm/src/index.ts @@ -58,7 +58,7 @@ export interface SessionTitleLlmConfig { readonly targetWords: number /** Target character count for Chinese, Japanese, or Korean titles. */ readonly targetCjkCharacters: number - /** Maximum total UTF-8 bytes across selected source-message text. */ + /** Maximum UTF-8 bytes in the final JSON-framed user prompt. */ readonly maxInputBytes: number /** Auxiliary generation output-token cap. */ readonly maxOutputTokens: number @@ -242,14 +242,15 @@ export async function generateSessionTitleWithLlm( if (selectedMessages.length === 0) { throw new Error('session-title-llm: at least one source message is required') } - const inputBytes = selectedMessages.reduce((total, message) => total + Buffer.byteLength(message.text, 'utf8'), 0) + const framedInput = frameMessages(selectedMessages) + const inputBytes = Buffer.byteLength(framedInput, 'utf8') if (inputBytes > config.maxInputBytes) { throw new Error(`session-title-llm: input is ${inputBytes} bytes, exceeding maxInputBytes ${config.maxInputBytes}`) } const route = resolveRoute(config, request) const messages: Message[] = [{ role: 'user', - content: [{ type: 'text', text: frameMessages(selectedMessages) }], + content: [{ type: 'text', text: framedInput }], }] const system = systemPrompt(config) using callDeadline = deadline(request.signal, config.timeoutMs, SESSION_TITLE_TIMEOUT_CODE) @@ -272,7 +273,11 @@ export async function generateSessionTitleWithLlm( }, callDeadline.signal) callDeadline.signal.throwIfAborted() const assembler = new BlockAssembler() - for await (const chunk of ctx.llm.stream(options)) assembler.push(chunk) + for await (const chunk of ctx.llm.stream(options)) { + callDeadline.signal.throwIfAborted() + assembler.push(chunk) + } + callDeadline.signal.throwIfAborted() const terminalError = finishError(assembler.finish) if (terminalError !== undefined) throw terminalError const blocks = assembler.message().content diff --git a/packages/session-title/session-title-llm/tests/llm.spec.ts b/packages/session-title/session-title-llm/tests/llm.spec.ts index 87ea8cd6a5..2e417883ac 100644 --- a/packages/session-title/session-title-llm/tests/llm.spec.ts +++ b/packages/session-title/session-title-llm/tests/llm.spec.ts @@ -48,6 +48,17 @@ class CooperativeAdapter extends LlmAdapter { } } +class DelayedSuccessAdapter extends LlmAdapter { + constructor(private readonly delayMs: number) { + super() + } + + override async * stream(): AsyncIterable { + await new Promise(resolve => setTimeout(resolve, this.delayMs)) + yield * SCRIPT + } +} + const SCRIPT: StreamChunk[] = [ { type: 'block-start', index: 0, blockType: 'text' }, { type: 'text-delta', index: 0, text: ' 五个字标题 ' }, @@ -162,21 +173,24 @@ describe('generateSessionTitleWithLlm', () => { }) }) - it('uses paired explicit overrides and rejects an oversized input without calling the model', async () => { + it('uses paired explicit overrides and bounds the final framed input before model dispatch', async () => { const ctx = new Context() await ctx.plugin(SessionStore) await ctx.plugin(LlmService) const adapter = new RecordingAdapter(SCRIPT) ctx.llm.registerAdapter(['explicit-route'], adapter) + const oversized = request(ctx) + const [selected] = oversized.messages + if (selected === undefined) throw new Error('expected one selected message') + const rawInputBytes = Buffer.byteLength(selected.text, 'utf8') const config = resolveSessionTitleLlmConfig({ ...CONFIG, provider: 'explicit-route', model: 'explicit-model', - maxInputBytes: 4, + maxInputBytes: rawInputBytes, }) - const oversized = request(ctx) - await expect(generateSessionTitleWithLlm(ctx, config, oversized, oversized.messages, TITLE_PROVIDER)) + await expect(generateSessionTitleWithLlm(ctx, config, oversized, [selected], TITLE_PROVIDER)) .rejects.toThrow(/input.*bytes.*maxInputBytes/i) expect(adapter.requests).toEqual([]) expect(oversized.session.events.some(event => event.type === 'session/title-llm-request')).toBe(false) @@ -322,4 +336,30 @@ describe('generateSessionTitleWithLlm', () => { vi.useRealTimers() } }) + + it('rejects a successful stream that completes after the configured deadline', async () => { + vi.useFakeTimers() + try { + const ctx = new Context() + await ctx.plugin(SessionStore) + await ctx.plugin(LlmService) + ctx.llm.registerAdapter(['current-route'], new DelayedSuccessAdapter(20)) + const providerRequest = request(ctx) + const pending = generateSessionTitleWithLlm( + ctx, + resolveSessionTitleLlmConfig({ ...CONFIG, timeoutMs: 10 }), + providerRequest, + providerRequest.messages, + TITLE_PROVIDER, + ) + const rejected = expect(pending).rejects.toMatchObject({ + code: SESSION_TITLE_TIMEOUT_CODE, + timeoutMs: 10, + }) + await vi.advanceTimersByTimeAsync(20) + await rejected + } finally { + vi.useRealTimers() + } + }) }) From c622a2881d23630f89238379a3a340dad314b88b Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 15:23:27 +0800 Subject: [PATCH 23/28] fix(session-title): deduplicate fallback creation --- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +-- .../2026-07-21-log-backed-session-titles.md | 2 +- ...2026-07-21-log-backed-session-titles.zh.md | 2 +- docs/cordis-catalog/services.md | 2 +- .../session-title/session-title/README.md | 2 +- .../session-title/session-title/src/index.ts | 14 ++++++++-- .../tests/service-contracts.spec.ts | 28 +++++++++++++++++++ 7 files changed, 45 insertions(+), 9 deletions(-) diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index fac3a1d2fa..eab17eea2b 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: c78f4f16d12cdfacbf7bf5d494e93276d6ac9769 -2026-07-21-log-backed-session-titles.zh.md: 845ea9fbc1c50574d61086b9c744d2efe65cf433 +2026-07-21-log-backed-session-titles.md: 0690b09965df516b180652182c15e34c8faf06cc +2026-07-21-log-backed-session-titles.zh.md: f973fdca4897bd57590fb0bc53a20a345144089f diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index c78f4f16d1..0690b09965 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -24,7 +24,7 @@ The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugi Only text blocks from human-source `user/message` events are eligible. Empty, control-only, and non-text prompts wait for the next eligible message. The service schedules the first fallback without awaiting it from the prompt path, normalizes whitespace and control sequences, applies the configured word and UTF-8 byte limits without splitting a code point, and records the first message seq. -Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the marked loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. All title-capability out-of-band writes share a per-session settlement queue; a replacement model request waits for any earlier title write, while the superseded model call itself remains independently abortable and cannot commit stale output. +Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the marked loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. Automatic work and concurrent refreshes share one session-local in-flight fallback promise, so the first fallback creates only one title event and zero-step turn. All title-capability out-of-band writes share a per-session settlement queue; a replacement model request waits for any earlier title write, while the superseded model call itself remains independently abortable and cannot commit stale output. The first-message provider schedules once when a fresh session first creates its fallback. An automatic failure does not reschedule on later prompts; `refresh()` is the retry path. The all-messages provider schedules after every eligible human prompt and passes all eligible messages through that revision, including seeded history. Its newer revision aborts and supersedes older pending or active work. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index 845ea9fbc1..f973fdca48 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -24,7 +24,7 @@ Status: implemented 只有人类来源的 `user/message` 事件中的文本块才符合条件。空提示词、仅含控制字符的提示词和非文本提示词会等待下一条合格消息。服务从提示词路径调度首个回退标题而不等待其完成，随后规范化空白和控制序列，应用已配置的单词数和 UTF-8 字节限制且不拆分代码点，并记录第一条消息的 seq。 -仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建并带有标记的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。会话标题功能产生的所有带外写入在每个会话内共用一个结算队列；接替执行的模型请求会等待任何更早的标题写入完成，而被取代的模型调用本身仍可独立中止，且无法提交陈旧输出。 +仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建并带有标记的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。自动工作与并发刷新在每个会话内共用同一个进行中的回退 promise，因此首次回退只会创建一个标题事件和一个零步骤轮次。会话标题功能产生的所有带外写入在每个会话内共用一个结算队列；接替执行的模型请求会等待任何更早的标题写入完成，而被取代的模型调用本身仍可独立中止，且无法提交陈旧输出。 首消息提供方仅在新会话首次创建回退标题时调度一次。自动执行失败后，后续提示词不会重新调度；`refresh()` 是重试路径。全部消息提供方会在每条合格且由人类发出的提示词后调度，并传入截至该修订的所有合格消息，包括预置历史记录。较新的修订会中止并取代更早的待执行或活跃工作。 diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index c5aedf9dbe..b1cb864e7c 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -1023,7 +1023,7 @@ register(provider: SessionTitleProvider): () => Promise Types: [Session](../core-data-structures/session.md) · [SessionTitleProvider](../core-data-structures/session-title.md) · [SessionTitleSnapshot](../core-data-structures/session-title.md) -Source: [`packages/session-title/session-title/src/index.ts:281`](../../packages/session-title/session-title/src/index.ts) +Source: [`packages/session-title/session-title/src/index.ts:282`](../../packages/session-title/session-title/src/index.ts) ## `ctx.skills` — `SkillService` diff --git a/packages/session-title/session-title/README.md b/packages/session-title/session-title/README.md index e8538a1d0c..e9fadff0aa 100644 --- a/packages/session-title/session-title/README.md +++ b/packages/session-title/session-title/README.md @@ -10,7 +10,7 @@ Only text blocks from human `user/message` events are eligible. The first eligib - `refresh(session, signal?)` materializes the fallback when needed, then explicitly runs the registered provider over the current eligible messages. Provider errors and caller cancellation reject; cancellation does not roll back a fallback append already entering durability. - `register(provider)` installs the sole optional provider and returns its awaitable Cordis effect disposer. A second registration throws immediately; disposal aborts pending and active calls, waits for their settlement, and only then permits another provider to register. -Automatic work never delays the main agent response. A provider starts only after a marked loop-built request's exact route matches the current logged `request/header`, including when the unchanged header needs no new snapshot. Its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits. Service and bundled model-provider records use `appendSessionTitleOutOfBand()` to share a per-session settlement queue, so a replacement request record waits for an earlier title write without serializing the superseded model call itself. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. +Automatic work never delays the main agent response. A provider starts only after a marked loop-built request's exact route matches the current logged `request/header`, including when the unchanged header needs no new snapshot. Its late completion joins an open turn or uses a flushed zero-step `session-title` turn through `ctx.sessions.appendOutOfBand()`. Automatic failures warn and retain the latest title. New all-message revisions, provider disposal, session disposal, and explicit refresh abort older work, and a stale completion cannot append. Concurrent explicit refreshes reserve their order before fallback durability waits, while overlapping automatic and explicit fallback requests share one session-local in-flight append. Service and bundled model-provider records use `appendSessionTitleOutOfBand()` to share a per-session settlement queue, so a replacement request record waits for an earlier title write without serializing the superseded model call itself. Service teardown cancels queued work and drains calls that ignore cancellation before unloading completes. Forks inherit title events in their seed unchanged. The first-message cadence does not automatically retitle a child; the all-messages cadence may append a new revision after the child receives a later human prompt. diff --git a/packages/session-title/session-title/src/index.ts b/packages/session-title/session-title/src/index.ts index 4059b7cd47..a4a516b68e 100644 --- a/packages/session-title/session-title/src/index.ts +++ b/packages/session-title/session-title/src/index.ts @@ -266,6 +266,7 @@ interface ActiveProviderWork extends PendingAutomaticWork { /** Mutable concurrency state scoped to one live session. */ interface SessionTitleWorkState { revision: number + fallback?: Promise pending?: PendingAutomaticWork active?: ActiveProviderWork } @@ -707,12 +708,19 @@ export class SessionTitleService extends Service { this.config.fallbackMaxBytes, ) if (title.length === 0) return undefined - await appendSessionTitleOutOfBand(this.ctx, session, 'session/title', { + const state = this.stateFor(session) + if (state.fallback !== undefined) return state.fallback + const fallback = appendSessionTitleOutOfBand(this.ctx, session, 'session/title', { title, messageSeqs: [first.seq], source: { kind: 'fallback' }, - }, this.lifetime.signal) - return this.get(session) + }, this.lifetime.signal).then(() => this.get(session)) + state.fallback = fallback + try { + return await fallback + } finally { + delete state.fallback + } } } diff --git a/packages/session-title/session-title/tests/service-contracts.spec.ts b/packages/session-title/session-title/tests/service-contracts.spec.ts index b46f4637d7..1e5f0c8b26 100644 --- a/packages/session-title/session-title/tests/service-contracts.spec.ts +++ b/packages/session-title/session-title/tests/service-contracts.spec.ts @@ -204,6 +204,34 @@ describe('SessionTitleService configuration and refresh boundaries', () => { }) }) + it('shares one durable fallback across concurrent refreshes', async () => { + const ctx = await setup() + const seed = new Session(SessionId('fallback-concurrency-seed')) + seed.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + const source = appendPrompt(seed, 'Create exactly one fallback title') + seed.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + const session = ctx.sessions.create(SessionId('fallback-concurrency'), { seed: seed.events }) + let flushes = 0 + ctx.on('session/flush', (subject) => { + if (subject === session) flushes += 1 + }) + + const results = await Promise.all([ + ctx.sessionTitle.refresh(session), + ctx.sessionTitle.refresh(session), + ]) + + expect(results[0]).toEqual(results[1]) + expect(session.events.filter(event => event.type === 'session/title')).toHaveLength(1) + expect(session.events.filter(event => event.type === 'turn/start' + && event.data.trigger.kind === 'session-title')).toHaveLength(1) + expect(ctx.sessionTitle.get(session)?.messageSeqs).toEqual([source.seq]) + expect(flushes).toBe(1) + }) + it('reserves overlapping refresh order before fallback durability settles', async () => { const ctx = new Context() await ctx.plugin(SessionStore) From 5d411f9c4e4c0b74089266d44357595a39ad3d3f Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 15:49:37 +0800 Subject: [PATCH 24/28] fix(session-title): preserve agent turn outcomes --- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +- .../2026-07-21-log-backed-session-titles.md | 2 +- ...2026-07-21-log-backed-session-titles.zh.md | 2 +- docs/cordis-catalog/events.md | 8 +-- docs/cordis-catalog/services.md | 2 +- docs/event-producer-consumer.md | 8 +-- packages/core/session/README.md | 1 + packages/core/session/src/index.ts | 21 +++++++ packages/core/session/tests/session.spec.ts | 44 +++++++++++++- .../subagent/subagent-inprocess/README.md | 2 +- .../subagent/subagent-inprocess/src/index.ts | 4 +- .../tests/subagent-inprocess.spec.ts | 32 +++++++++- packages/ui/jsonrpc/README.md | 2 +- packages/ui/jsonrpc/src/server.ts | 6 +- packages/ui/jsonrpc/tests/server.spec.ts | 60 ++++++++++++++++++- 15 files changed, 176 insertions(+), 22 deletions(-) diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index eab17eea2b..3906b08f01 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: 0690b09965df516b180652182c15e34c8faf06cc -2026-07-21-log-backed-session-titles.zh.md: f973fdca4897bd57590fb0bc53a20a345144089f +2026-07-21-log-backed-session-titles.md: 0ab8f5b42004892c3ca6d6598cfacd57fbc9300c +2026-07-21-log-backed-session-titles.zh.md: 7dfbc5cc378b8cf16743fceb594d8bcb47477637 diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index 0690b09965..0ab8f5b420 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -40,7 +40,7 @@ Automatic provider failures are nonfatal warnings and retain the latest title. E A fork inherits seed title events unchanged, like the rest of its source log. The first-message provider does not automatically retitle a fork. The all-messages provider may append a child-owned revision after a later child prompt, using inherited and new eligible messages. -`ctx.sessionQuery.readTitle()` folds one live-preferred or persisted log without loading titles during `listSessions()`. ACP maps the event to `session_info_update` during both live streaming and load replay, using the event timestamp for `updatedAt`. The TUI uses the latest title as its header subtitle and sets the terminal window title to ` — ` after terminal-safe rendering. +`ctx.sessionQuery.readTitle()` folds one live-preferred or persisted log without loading titles during `listSessions()`. ACP maps the event to `session_info_update` during both live streaming and load replay, using the event timestamp for `updatedAt`. The TUI uses the latest title as its header subtitle and sets the terminal window title to ` — ` after terminal-safe rendering. A synthetic title turn remains a completed durability boundary for the metadata write; consumers reporting agent completion use the core `findLastMessageTurnEnd()` fold so a later title, injection, or other plugin-owned turn cannot replace the preceding message-triggered outcome. ## Alternatives considered diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index f973fdca48..7dfbc5cc37 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -40,7 +40,7 @@ Status: implemented 与源日志的其他部分相同，fork 会原样继承作为种子的标题事件。首消息提供方不会自动为 fork 重新生成标题。全部消息提供方可以在子会话出现后续提示词后追加一项归子会话所有的修订，并使用继承的合格消息和新增的合格消息。 -`ctx.sessionQuery.readTitle()` 会折叠一份实时优先或已持久化的日志，而不会在 `listSessions()` 期间加载标题。ACP（Agent Client Protocol）会在实时流式输出和加载回放期间把该事件映射到 `session_info_update`，并使用事件时间戳作为 `updatedAt`。TUI 使用最新标题作为其标题栏副标题，并在完成终端安全渲染后，将终端窗口标题设置为 ` — `。 +`ctx.sessionQuery.readTitle()` 会折叠一份实时优先或已持久化的日志，而不会在 `listSessions()` 期间加载标题。ACP（Agent Client Protocol）会在实时流式输出和加载回放期间把该事件映射到 `session_info_update`，并使用事件时间戳作为 `updatedAt`。TUI 使用最新标题作为其标题栏副标题，并在完成终端安全渲染后，将终端窗口标题设置为 ` — `。合成标题轮次本身仍会完成，并作为元数据写入的持久性边界；报告 agent 完成情况的消费方使用核心的 `findLastMessageTurnEnd()` 折叠逻辑，因此后续的标题轮次、注入轮次或其他归插件所有的轮次无法取代此前由消息触发的结果。 ## 考虑过的替代方案 diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md index 6fefa8d53c..57feb1bf5a 100644 --- a/docs/cordis-catalog/events.md +++ b/docs/cordis-catalog/events.md @@ -561,7 +561,7 @@ Creation announcement during session publication. A synchronous throw vetoes and Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md) -Source: [`packages/core/session/src/index.ts:47`](../../packages/core/session/src/index.ts) +Source: [`packages/core/session/src/index.ts:68`](../../packages/core/session/src/index.ts) ### `session/disposed` — emit @@ -582,7 +582,7 @@ Emitted once when an announced session leaves the store, including publication r Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md) -Source: [`packages/core/session/src/index.ts:57`](../../packages/core/session/src/index.ts) +Source: [`packages/core/session/src/index.ts:78`](../../packages/core/session/src/index.ts) ### `session/event` — emit @@ -605,7 +605,7 @@ Post-commit, fire-and-forget append feed. The listener snapshot resolves before Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md) · [SessionEvent](../core-data-structures/core.md) -Source: [`packages/core/session/src/index.ts:69`](../../packages/core/session/src/index.ts) +Source: [`packages/core/session/src/index.ts:90`](../../packages/core/session/src/index.ts) ### `session/flush` — parallel @@ -626,7 +626,7 @@ Awaited parallel durability checkpoint: every listener runs and the caller await Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md) -Source: [`packages/core/session/src/index.ts:79`](../../packages/core/session/src/index.ts) +Source: [`packages/core/session/src/index.ts:100`](../../packages/core/session/src/index.ts) ## `subagent/*` diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md index b1cb864e7c..cbef1910ec 100644 --- a/docs/cordis-catalog/services.md +++ b/docs/cordis-catalog/services.md @@ -989,7 +989,7 @@ fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId): Types: [CreateSessionOptions](../core-data-structures/persistence.md) · [OutOfBandSessionEventType](../core-data-structures/session.md) · [Session](../core-data-structures/session.md) · [SessionEvent](../core-data-structures/core.md) · [SessionEventMap](../core-data-structures/session.md) · [SessionId](../core-data-structures/core.md) · [TurnTrigger](../core-data-structures/session.md) -Source: [`packages/core/session/src/index.ts:554`](../../packages/core/session/src/index.ts) +Source: [`packages/core/session/src/index.ts:575`](../../packages/core/session/src/index.ts) ## `ctx.sessionTitle` — `SessionTitleService` diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md index ad914bbfc3..380003767c 100644 --- a/docs/event-producer-consumer.md +++ b/docs/event-producer-consumer.md @@ -31,10 +31,10 @@ This matrix shows which packages dispatch each harness-owned event and which pac | `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:54`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | | `goal/changed` | `emit` | [`packages/goal/goal/src/types.ts:167`](../packages/goal/goal/src/types.ts) | [`goal`](../packages/goal/goal) (`emit`) | [`goal-session`](../packages/goal/goal-session) | | `llm/stream` | `waterfall` | [`packages/llm/llm/src/index.ts:44`](../packages/llm/llm/src/index.ts) | [`llm`](../packages/llm/llm) (`waterfall`) | [`invariants`](../packages/support/invariants), [`llm-replay`](../packages/support/llm-replay), [`session-title`](../packages/session-title/session-title) | -| `session/created` | `emit` | [`packages/core/session/src/index.ts:47`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence) | -| `session/disposed` | `emit` | [`packages/core/session/src/index.ts:57`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title) | -| `session/event` | `emit` | [`packages/core/session/src/index.ts:69`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`acp`](../packages/ui/acp), [`cli-demo`](../packages/examples/cli-demo), [`goal-session`](../packages/goal/goal-session), [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title), [`token-meter`](../packages/llm/token-meter), [`tui`](../packages/ui/tui), [`workspace-context`](../packages/context/workspace-context) | -| `session/flush` | `parallel` | [`packages/core/session/src/index.ts:79`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`session-persistence`](../packages/session-persistence/session-persistence) | +| `session/created` | `emit` | [`packages/core/session/src/index.ts:68`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence) | +| `session/disposed` | `emit` | [`packages/core/session/src/index.ts:78`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title) | +| `session/event` | `emit` | [`packages/core/session/src/index.ts:90`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`acp`](../packages/ui/acp), [`cli-demo`](../packages/examples/cli-demo), [`goal-session`](../packages/goal/goal-session), [`invariants`](../packages/support/invariants), [`jsonrpc`](../packages/ui/jsonrpc), [`session-persistence`](../packages/session-persistence/session-persistence), [`session-title`](../packages/session-title/session-title), [`token-meter`](../packages/llm/token-meter), [`tui`](../packages/ui/tui), [`workspace-context`](../packages/context/workspace-context) | +| `session/flush` | `parallel` | [`packages/core/session/src/index.ts:100`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`events.dispatch`) | [`session-persistence`](../packages/session-persistence/session-persistence) | | `subagent/end` | `emit` | [`packages/subagent/subagent/src/index.ts:139`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`jsonrpc`](../packages/ui/jsonrpc) | | `subagent/provider-added` | `emit` | [`packages/subagent/subagent/src/index.ts:113`](../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:119`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`tool-subagent`](../packages/subagent/tool-subagent) | diff --git a/packages/core/session/README.md b/packages/core/session/README.md index 55b9846607..ebdcd5e474 100644 --- a/packages/core/session/README.md +++ b/packages/core/session/README.md @@ -11,6 +11,7 @@ Creates and holds event-sourced `Session` instances. Persistence is intentionall - `ctx.sessions.create(id?, { seed?, meta? }?)` validates and detaches durable seed/header data, fills the version and id, defaults `createdAt` to now, publishes the session, and binds it to the calling fiber. Persisted reconstruction supplies its original `createdAt`, `seedLength`, and `delegationDepth`. - `ctx.sessions.flush(session)` dispatches the awaited parallel durability checkpoint through the session's captured scope. Every listener starts and the call waits for all to settle before reporting failure; unpublished, detached, and stale objects reject. - `ctx.sessions.appendOutOfBand(session, type, data, trigger)` accepts only plugin event types opted into `OutOfBandSessionEventMap`. It appends directly inside an open turn; otherwise it atomically opens a zero-step plugin turn, appends, closes, and flushes. A target failure still closes and flushes the synthetic turn, and detach is deferred until the sequence settles. +- `findLastMessageTurnEnd(events)` pairs message-triggered starts with their ends and returns the latest matched `turn/end`. Outcome consumers use this fold instead of the raw latest turn boundary because a later injection or plugin-owned zero-step turn has its own outcome. - `ctx.sessions.fork(source, boundary?, childSessionId?): Session` — Resolve a live session object or id, select a seed through the inclusive `boundary` event seq (default: current last event), require that boundary to be `turn/end`, and create a live child session with lineage metadata. - `ctx.sessions.get(id: SessionId): Session | undefined` - `ctx.sessions.list(): Session[]` diff --git a/packages/core/session/src/index.ts b/packages/core/session/src/index.ts index 6350694ebe..3a53dd1ca0 100644 --- a/packages/core/session/src/index.ts +++ b/packages/core/session/src/index.ts @@ -27,6 +27,27 @@ export type { SessionSurface, SurfaceFoldReplacement, SurfaceFoldResult } from ' export { foldSurface, isSurfaceEvent, isSurfaceEligibleType } from './surface.ts' export { canonicalHeader, foldRequestHeader, headerEquals } from './request-header.ts' +/** + * Find the latest closed message-triggered turn, excluding injection and + * plugin-owned zero-step turns. + * @param events - session events, or an owned suffix, to inspect. + * @returns the latest matching turn end, or `undefined`. + */ +export function findLastMessageTurnEnd( + events: readonly SessionEvent[], +): SessionEvent<'turn/end'> | undefined { + const messageTurns = new Set() + let latest: SessionEvent<'turn/end'> | undefined + for (const event of events) { + if (event.type === 'turn/start') { + if (event.data.trigger.kind === 'message') messageTurns.add(event.data.turn) + continue + } + if (event.type === 'turn/end' && messageTurns.delete(event.data.turn)) latest = event + } + return latest +} + declare module 'cordis' { interface Context { sessions: SessionStore diff --git a/packages/core/session/tests/session.spec.ts b/packages/core/session/tests/session.spec.ts index a17981146d..10efce608b 100644 --- a/packages/core/session/tests/session.spec.ts +++ b/packages/core/session/tests/session.spec.ts @@ -1,7 +1,13 @@ import { describe, expect, expectTypeOf, it, vi } from 'vitest' import { Context } from 'cordis' import { CallId } from '@deepseek-ai/dsh-llm' -import SessionStore, { SESSION_FORMAT_VERSION, Session, SessionEvent, SessionId } from '@deepseek-ai/dsh-session' +import SessionStore, { + findLastMessageTurnEnd, + SESSION_FORMAT_VERSION, + Session, + SessionEvent, + SessionId, +} from '@deepseek-ai/dsh-session' import type { CreateSessionOptions, SessionEventType, SessionHeader, SessionSurface, TodoItem } from '@deepseek-ai/dsh-session' describe('Session', () => { @@ -48,6 +54,42 @@ describe('Session', () => { expect(structuredClone(turnEnd.data.reason)).toEqual({ kind: 'max-tokens' }) }) + it('finds the latest message-turn outcome past later non-message turns', () => { + const session = new Session(SessionId('message-turn-outcome')) + expect(findLastMessageTurnEnd(session.events)).toBeUndefined() + session.append('turn/start', { + turn: 1, + trigger: { kind: 'injection', source: { kind: 'plugin', plugin: 'before' } }, + }) + session.append('context/message', { + content: [{ type: 'text', text: 'before' }], + source: { kind: 'plugin', plugin: 'before' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) + expect(findLastMessageTurnEnd(session.events)).toBeUndefined() + + session.append('turn/start', { + turn: 2, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + session.append('user/message', { + content: [{ type: 'text', text: 'bounded prompt' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + const messageEnd = session.append('turn/end', { turn: 2, reason: { kind: 'max-tokens' } }) + session.append('turn/start', { + turn: 3, + trigger: { kind: 'injection', source: { kind: 'plugin', plugin: 'after' } }, + }) + session.append('context/message', { + content: [{ type: 'text', text: 'after' }], + source: { kind: 'plugin', plugin: 'after' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn: 3, reason: { kind: 'completed' } }) + + expect(findLastMessageTurnEnd(session.events)).toBe(messageEnd) + }) + it('renders context and steering messages as plain user content', () => { const session = new Session(SessionId('s2')) session.append('context/message', { diff --git a/packages/subagent/subagent-inprocess/README.md b/packages/subagent/subagent-inprocess/README.md index d51fc53e5d..e24df08af5 100644 --- a/packages/subagent/subagent-inprocess/README.md +++ b/packages/subagent/subagent-inprocess/README.md @@ -12,7 +12,7 @@ The driver follows this sequence: 2. Call `parent.ctx.agents.create` directly, passing the required request signal into the factory's creation transaction. 3. During that transaction's unpublished setup window, install the requested persona, tool restriction, and structured-output runtime. 4. Publish the child, retain the returned `AgentHandle`, and drive one task with `child.send(prompt)` followed by `child.whenIdle()`. -5. Read the child's own last assistant message and terminal turn reason, excluding any fork seed. +5. Read the child's own last assistant message and latest message-triggered turn reason, excluding any fork seed and later plugin-owned zero-step turns. The child gets the parent's working-directory/session lineage and inherits the parent model unless `request.agentOptions` overrides it. It gets a fresh flat registration scope: parent ownership does not import parent tool restrictions or establish an authority subset. diff --git a/packages/subagent/subagent-inprocess/src/index.ts b/packages/subagent/subagent-inprocess/src/index.ts index f0e9731c9d..48a4c46c0b 100644 --- a/packages/subagent/subagent-inprocess/src/index.ts +++ b/packages/subagent/subagent-inprocess/src/index.ts @@ -10,7 +10,7 @@ import { randomUUID } from 'node:crypto' import type { Context } from 'cordis' import type { Agent, AgentOptions } from '@deepseek-ai/dsh-agent' -import { SessionId, type SessionEvent, type TurnEndReason } from '@deepseek-ai/dsh-session' +import { findLastMessageTurnEnd, SessionId, type SessionEvent, type TurnEndReason } from '@deepseek-ai/dsh-session' import type { ContentBlock } from '@deepseek-ai/dsh-llm' import { assertSubagentMaxDepth, delegationDepthOf } from '@deepseek-ai/dsh-subagent' import type { SubagentResult, SubagentRun, SubagentStartRequest, SubagentStopReason } from '@deepseek-ai/dsh-subagent' @@ -175,7 +175,7 @@ function readResult( ): SubagentResult { const own = child.session.events.slice(seedLength) const lastMessage = own.findLast((event): event is SessionEvent<'assistant/message'> => event.type === 'assistant/message') - const lastEnd = own.findLast((event): event is SessionEvent<'turn/end'> => event.type === 'turn/end') + const lastEnd = findLastMessageTurnEnd(own) const output: ContentBlock[] = lastMessage?.data.content ?? [] const recorded = toStopReason(lastEnd?.data.reason) // Disposal can tear the owner down before the loop records its ordinary diff --git a/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts b/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts index e82c1ad028..a7caa2daa6 100644 --- a/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts +++ b/packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts @@ -6,7 +6,7 @@ import AgentLoop from '@deepseek-ai/dsh-agent-loop' import { mountAgentLoopTestDependencies } from '@deepseek-ai/dsh-agent-loop-testkit' import * as Invariants from '@deepseek-ai/dsh-invariants' import SubagentService from '@deepseek-ai/dsh-subagent' -import { MockAdapter, textResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import { maxTokensResponse, MockAdapter, textResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' import { startInProcessRun } from '../src/index.ts' type Script = ConstructorParameters[0] @@ -44,6 +44,36 @@ describe('startInProcessRun', () => { expect(ctx.agents.get(run.id)).toBeUndefined() }) + it('reports the message-turn outcome when a later non-message turn completes during flush', async () => { + const { ctx, parent } = await setup([maxTokensResponse('partial answer')]) + let injected = false + ctx.on('session/flush', (session) => { + if (injected || session.header.parentSession === undefined) return + const lastEnd = session.events.findLast(event => event.type === 'turn/end') + if (lastEnd?.type !== 'turn/end' || lastEnd.data.reason.kind !== 'max-tokens') return + injected = true + const turn = lastEnd.data.turn + 1 + session.append('turn/start', { + turn, + trigger: { kind: 'injection', source: { kind: 'plugin', plugin: 'late-metadata' } }, + }) + session.append('context/message', { + content: [{ type: 'text', text: 'late metadata' }], + source: { kind: 'plugin', plugin: 'late-metadata' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn, reason: { kind: 'completed' } }) + }) + + const run = await startInProcessRun(request(parent), {}) + const result = await run.result + const child = ctx.agents.get(run.id)! + + expect(child.session.events.findLast(event => event.type === 'turn/end')) + .toMatchObject({ data: { reason: { kind: 'completed' } } }) + expect(result.stopReason).toBe('max-tokens') + await run.dispose() + }) + it('seeds a forked child but reads only the child-owned output', async () => { const { ctx, parent } = await setup([textResponse('parent answer'), textResponse('child answer')]) parent.send([{ type: 'text', text: 'parent question' }]) diff --git a/packages/ui/jsonrpc/README.md b/packages/ui/jsonrpc/README.md index 856c933cbc..e4c49dfe97 100644 --- a/packages/ui/jsonrpc/README.md +++ b/packages/ui/jsonrpc/README.md @@ -20,7 +20,7 @@ The plugin answers `shutdown`, disposes SDK-owned agents and subscriptions to qu ## Wire notes -`initialize.serverInfo.name` is the wire-stable `deepseek-harness-sdk-runtime`. A session accepts one in-flight prompt; overlap fails immediately, other sessions remain independent, and the session is reusable after settlement. Persistence roots and persona come from `cordis.yml`. +`initialize.serverInfo.name` is the wire-stable `deepseek-harness-sdk-runtime`. A session accepts one in-flight prompt; overlap fails immediately, other sessions remain independent, and the session is reusable after settlement. `session.finished` reports that prompt's message-triggered turn outcome; later injection or plugin-owned zero-step turns still stream as `session.event` notifications but cannot replace the prompt status. Persistence roots and persona come from `cordis.yml`. ## Model Experience diff --git a/packages/ui/jsonrpc/src/server.ts b/packages/ui/jsonrpc/src/server.ts index f3a164340c..65ca3ed52c 100644 --- a/packages/ui/jsonrpc/src/server.ts +++ b/packages/ui/jsonrpc/src/server.ts @@ -10,7 +10,7 @@ import { resolve } from 'node:path' import type { ContentBlock } from '@deepseek-ai/dsh-llm' import type { Agent, AgentHandle } from '@deepseek-ai/dsh-agent' import { carrierKeyOf, type Scoped } from '@deepseek-ai/dsh-scope' -import { SessionId, type TurnEndReason } from '@deepseek-ai/dsh-session' +import { findLastMessageTurnEnd, SessionId, type TurnEndReason } from '@deepseek-ai/dsh-session' import type SubagentService from '@deepseek-ai/dsh-subagent' import type { SubagentRunEndInfo } from '@deepseek-ai/dsh-subagent' import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' @@ -93,7 +93,9 @@ export class HarnessSdkServer { this.disposers.push(ctx.on('session/event', (session, event) => { if (event.type === 'turn/end') { const rec = this.sessions.get(String(session.id)) - if (rec) rec.lastTurnEnd = event.data.reason + if (rec && findLastMessageTurnEnd(session.events)?.seq === event.seq) { + rec.lastTurnEnd = event.data.reason + } } this.transport.notify('session.event', { sessionId: String(session.id), event }) })) diff --git a/packages/ui/jsonrpc/tests/server.spec.ts b/packages/ui/jsonrpc/tests/server.spec.ts index 034577f105..40dbc81acd 100644 --- a/packages/ui/jsonrpc/tests/server.spec.ts +++ b/packages/ui/jsonrpc/tests/server.spec.ts @@ -7,7 +7,7 @@ import { afterEach, describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' import { type Agent, type AgentHandle } from '@deepseek-ai/dsh-agent' -import { SessionId } from '@deepseek-ai/dsh-session' +import SessionStore, { SessionId } from '@deepseek-ai/dsh-session' import * as agentCore from '@deepseek-ai/dsh-agent-spine-demo' import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl' import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' @@ -215,6 +215,64 @@ describe('HarnessSdkServer', () => { expect(otherHandle.dispose).toHaveBeenCalledOnce() }) + it('reports the message-turn outcome when a later non-message turn settles before idle', async () => { + const ctx = new Context() + await ctx.plugin(SessionStore) + const transport = new FakeTransport() + const server = new HarnessSdkServer(ctx, transport) as unknown as { + prompt(params: { sessionId: string; contentBlocks: { type: 'text'; text: string }[] }): Promise + sessions: Map + shutdown(): Promise> + } + const session = ctx.sessions.create(SessionId('message-outcome')) + const agent = { + session, + send(content: { type: 'text'; text: string }[]) { + session.append('turn/start', { + turn: 1, + trigger: { kind: 'message', source: { kind: 'user' } }, + }) + session.append('user/message', { + content, + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn: 1, reason: { kind: 'max-tokens' } }) + session.append('turn/start', { + turn: 2, + trigger: { kind: 'injection', source: { kind: 'plugin', plugin: 'late-metadata' } }, + }) + session.append('context/message', { + content: [{ type: 'text', text: 'late metadata' }], + source: { kind: 'plugin', plugin: 'late-metadata' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn: 2, reason: { kind: 'completed' } }) + }, + whenIdle: () => Promise.resolve(), + } as unknown as Agent + server.sessions.set('message-outcome', { + handle: { agent, dispose: () => Promise.resolve() }, + lastTurnEnd: undefined, + activePrompt: false, + }) + + await server.prompt({ + sessionId: 'message-outcome', + contentBlocks: [{ type: 'text', text: 'bounded prompt' }], + }) + + expect(transport.notifications.findLast(notification => notification.method === 'session.finished')) + .toEqual({ + method: 'session.finished', + params: { + sessionId: 'message-outcome', + status: 'error', + reason: { kind: 'max-tokens' }, + }, + }) + await server.shutdown() + await ctx.fiber.dispose() + }) + it('notifies the host when a child session is created with parent lineage', async () => { const storageDir = await mkdtemp(join(tmpdir(), 'dsh-jsonrpc-subagent-')) const ctx = await makeHarness(storageDir) From e97290ba9e47002a99d6a9e1df0f701bc416ed31 Mon Sep 17 00:00:00 2001 From: Turtle Date: Tue, 21 Jul 2026 15:55:40 +0800 Subject: [PATCH 25/28] docs(telemetry): state anonymous id as per-harness-home, not per-machine The consolidated resolver scopes the anonymous id to $DSH_HOME rather than the machine. Update the module contract, README, and Agent Note to say per-harness-home explicitly instead of over-claiming a machine-global identity, and record why DSH_HOME scoping is the intended single-root meaning rather than a regression. --- ...-24-single-harness-home-resolver.i18n.yaml | 4 ++-- ...2026-07-24-single-harness-home-resolver.md | 2 +- ...6-07-24-single-harness-home-resolver.zh.md | 2 +- packages/sdk/telemetry/README.md | 2 +- packages/sdk/telemetry/src/anonymous-id.ts | 21 +++++++++++-------- 5 files changed, 17 insertions(+), 14 deletions(-) diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml index 081e9ee4ca..b1a81228cf 100644 --- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-24-single-harness-home-resolver.md: 9212a424db5fa0b77c0b482e29527a72f1656a0c -2026-07-24-single-harness-home-resolver.zh.md: 33f3fea5145497924a6a6d9738e076bedb781943 +2026-07-24-single-harness-home-resolver.md: 10ed0e9f1fd6ac4630d92a66953fdf1d52b3b5f1 +2026-07-24-single-harness-home-resolver.zh.md: 1ce56281357595de134ddea285c8c2e0c1801ce9 diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md index 9212a424db..10ed0e9f1f 100644 --- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.md @@ -32,7 +32,7 @@ An empty or whitespace-only `$DSH_HOME` is treated as unset, matching the guard **Adopt XDG (honor `$XDG_CONFIG_HOME`, or split config/data/cache into separate trees).** Considered and dropped in favor of one obvious root. A single `$DSH_HOME || ~/.dsh` ground truth matches `~/.claude` / `~/.aws`, needs no per-kind reclassification of every `~/.dsh` consumer, and leaves no resolver asymmetry to reconcile. Telemetry aligning onto the same root — rather than keeping its own XDG path — is precisely the divergence this removes. -**Keep telemetry's own config dir.** Its `deepseek-harness` namespace and separate XDG policy were the lone exception to the `dsh`/`~/.dsh` convention. Folding it onto the shared resolver is what makes "one home fact" true. +**Keep telemetry's own config dir.** Its `deepseek-harness` namespace and separate XDG policy were the lone exception to the `dsh`/`~/.dsh` convention. Folding it onto the shared resolver is what makes "one home fact" true. The cost is that the anonymous id becomes scoped to `$DSH_HOME` rather than the machine: a project that points `DSH_HOME` at a repo-local path (or a command that loads a project `.env` before telemetry) gets a home-local id, so the id counts harness homes, not machines. This is accepted as the intended meaning of single-root — a relocated `$DSH_HOME` moves *all* harness state, telemetry identity included — and the module contract is stated as per-harness-home rather than per-machine. A machine-global identity that ignored `$DSH_HOME` would reintroduce exactly the second home policy this Note removes. ## Consequences diff --git a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md index 33f3fea514..1ce5628135 100644 --- a/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md +++ b/.agents/notes/implemented/architecture/2026-07-24-single-harness-home-resolver.zh.md @@ -32,7 +32,7 @@ explicit configured path > $DSH_HOME > ~/.dsh **采用 XDG（遵从 `$XDG_CONFIG_HOME`，或把 config/data/cache 拆分到各自的目录树）。** 经过考虑后放弃，转而采用一个显而易见的根目录。单一的 `$DSH_HOME || ~/.dsh` 基准事实与 `~/.claude` / `~/.aws` 一致，无需对每个 `~/.dsh` 消费方按类别重新归类，也不留下任何需要协调的解析器不对称。telemetry 对齐到同一根目录——而不是保留自己的 XDG 路径——正是本决策所要消除的那种分歧。 -**保留 telemetry 自己的 config 目录。** 它的 `deepseek-harness` 命名空间和独立的 XDG 策略是唯一违背 `dsh`/`~/.dsh` 约定的例外。把它折叠到共享解析器上，才让"单一 home 事实"成真。 +**保留 telemetry 自己的 config 目录。** 它的 `deepseek-harness` 命名空间和独立的 XDG 策略是唯一违背 `dsh`/`~/.dsh` 约定的例外。把它折叠到共享解析器上，才让"单一 home 事实"成真。代价是匿名 id 的作用域从机器变成了 `$DSH_HOME`：若某个项目把 `DSH_HOME` 指向仓库本地路径（或某条命令在 telemetry 之前加载了项目的 `.env`），得到的就是 home 本地的 id，因此该 id 统计的是 harness home，而非机器。这被接受为单一根目录的应有含义——重定位 `$DSH_HOME` 会移动*全部* harness 状态，telemetry 身份也在其中——模块契约据此表述为 per-harness-home 而非 per-machine。一个忽略 `$DSH_HOME` 的机器级全局身份，恰恰会重新引入本 Note 所要消除的那第二套 home 策略。 ## 影响 diff --git a/packages/sdk/telemetry/README.md b/packages/sdk/telemetry/README.md index fd3573af86..c2966b1f38 100644 --- a/packages/sdk/telemetry/README.md +++ b/packages/sdk/telemetry/README.md @@ -7,7 +7,7 @@ Launcher-side telemetry primitives for the dsh-sdk toolchain. This is a plain li | `SecretRedactor` | Conservative safety backstop: replaces secret-shaped values (secret-like keys, known token shapes, PEM blocks, URL credentials, high-entropy opaque tokens) with a placeholder in both parsed values (`redactValue`) and raw text (`redactText`). Never drops a field or line. | | `ConsentResolver` | Parses (never boots) a project `cordis.yml` and reads the telemetry entry's enabled/disabled state as consent; `DO_NOT_TRACK`/CI env force a hard opt-out. | | `buildTelemetryPayload` | Assembles `{command, durationMs, success, cordisYmlContent, packageJsonContent}`, running the redactor over the full `cordis.yml` and `package.json` text. Never reads `.env`; `package.json` ships only alongside a `cordis.yml`, so a command run in a non-SDK directory never uploads that directory's unrelated manifest. | -| `getOrCreateAnonymousId` | Random UUID persisted in the per-user harness home resolved by [`@deepseek-ai/dsh-paths`](../../util/paths/README.md) (never in the project, never derived from git). | +| `getOrCreateAnonymousId` | Random UUID persisted in the harness home resolved by [`@deepseek-ai/dsh-paths`](../../util/paths/README.md) (`$DSH_HOME` > `~/.dsh`), scoped to that home rather than the machine, never derived from git. | | `TelemetryReporter` | Fire-and-forget send: `report()` never blocks or throws; delivery resolves on every path; `flush()` optionally drains in-flight sends within a cap. | Consent is carried by the telemetry entry in `cordis.yml`, so disabling telemetry is disabling that entry. Telemetry reports by default and is off only when a present telemetry entry is explicitly `disabled`: a missing `cordis.yml` (first `create`), an enabled entry, or a `cordis.yml` with no telemetry entry all report. `DO_NOT_TRACK`/CI always deny. The no-config and absent-entry defaults are configurable on `ConsentResolver`. diff --git a/packages/sdk/telemetry/src/anonymous-id.ts b/packages/sdk/telemetry/src/anonymous-id.ts index 90d7516282..dcfe08c158 100644 --- a/packages/sdk/telemetry/src/anonymous-id.ts +++ b/packages/sdk/telemetry/src/anonymous-id.ts @@ -1,11 +1,14 @@ /** - * Per-machine anonymous telemetry id. + * Per-harness-home anonymous telemetry id. * - * The id is a random UUID persisted in the per-user harness home — never in - * the project, and never derived from the git remote, repository URL, or any - * other identifying source (a derived id would make "anonymous" a fiction). The - * same id is reused across projects on one machine so telemetry counts machines, - * not repositories. + * The id is a random UUID persisted directly in the harness home resolved by + * {@link resolveDshHome} (`$DSH_HOME` > `~/.dsh`), and never derived from the + * git remote, repository URL, or any other identifying source (a derived id + * would make "anonymous" a fiction). The id is scoped to the harness home, not + * the machine: every command sharing one `$DSH_HOME` reuses the same id, so the + * default `~/.dsh` counts per-OS-user home directories, while a relocated + * `$DSH_HOME` moves the id with the rest of the harness data — the single-root + * convention this package shares, not a telemetry-specific policy. * * @module @deepseek-ai/dsh-telemetry/anonymous-id */ @@ -16,7 +19,7 @@ import { dirname, join } from 'node:path' import type { Branded } from '@deepseek-ai/dsh-brand' import { resolveDshHome } from '@deepseek-ai/dsh-paths' -/** A machine-scoped anonymous telemetry id (random UUID v4). */ +/** A harness-home-scoped anonymous telemetry id (random UUID v4). */ export type AnonymousId = Branded<'AnonymousId'> /** Default file, inside the harness home, storing the anonymous id. */ @@ -68,11 +71,11 @@ async function readPersistedId(file: string): Promise { } /** - * Return the machine's anonymous id, creating and persisting one on first use. + * Return the harness home's anonymous id, creating and persisting one on first use. * Persistence is best-effort: a write failure still returns a usable id for the * current run so telemetry is never blocked by config-dir permissions. * @param options - config-location and UUID-generation seams. - * @returns the stable per-machine anonymous id. + * @returns the stable per-harness-home anonymous id. */ export async function getOrCreateAnonymousId(options: AnonymousIdOptions = {}): Promise { const file = join(globalConfigDir(options), ANONYMOUS_ID_FILE_NAME) From 6475e518255b6c70b5994a7ace0ae563beb220db Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 16:08:53 +0800 Subject: [PATCH 26/28] fix(goal-session): discriminate plugin turn triggers --- ...-07-21-log-backed-session-titles.i18n.yaml | 4 +-- .../2026-07-21-log-backed-session-titles.md | 2 +- ...2026-07-21-log-backed-session-titles.zh.md | 2 +- packages/goal/goal-session/README.md | 2 +- packages/goal/goal-session/src/index.ts | 14 +++++--- .../goal-session/tests/goal-session.spec.ts | 32 +++++++++++++++++++ 6 files changed, 47 insertions(+), 9 deletions(-) diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index 3906b08f01..bb6fc53670 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: 0ab8f5b42004892c3ca6d6598cfacd57fbc9300c -2026-07-21-log-backed-session-titles.zh.md: 7dfbc5cc378b8cf16743fceb594d8bcb47477637 +2026-07-21-log-backed-session-titles.md: d322b58c32d44c07d8d18618546225e7001ab025 +2026-07-21-log-backed-session-titles.zh.md: cb70533d52310574c56c7b0177b9b1ba34d7176a diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index 0ab8f5b420..d322b58c32 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -18,7 +18,7 @@ The [`session-title` capability family](../../../../packages/session-title/READM Every accepted revision is a log-only `session/title` event. Its payload contains normalized non-empty text, the exact eligible human `user/message` seqs used to derive it, and either fallback provenance or the registered provider id plus optional provider/model route. Before an auxiliary title-model dispatch, the shared helper appends a log-only `session/title-llm-request` event containing the title-provider id, exact source seqs, route, system prompt, messages, and output-token cap; a later generation failure leaves the request auditable. The dispatched envelope is deep-frozen to preserve exact agreement with that record but carries no process-local agent-loop request identity, so loop-only reconstruction checks do not compare it with the main conversation header. Validation failures that never reach dispatch create no request event. `foldSessionTitle()` selects the latest title event and adds that event's seq and timestamp as `SessionTitleSnapshot`. Neither event enters `session.surface` or `deriveMessages()`. -The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugin event types whose owners also declaration-merge an `OutOfBandSessionEventMap` marker. An open turn receives the log-only event directly and owns its normal checkpoint. A closed log receives `turn/start → event → turn/end` under the plugin's trigger, followed by an awaited flush. Once the synthetic turn opens, target-append failure still attempts to close and flush it; detach is deferred until the sequence settles. Session titles contribute the `session-title` zero-step trigger and opt both title event types into this seam. +The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugin event types whose owners also declaration-merge an `OutOfBandSessionEventMap` marker. An open turn receives the log-only event directly and owns its normal checkpoint. A closed log receives `turn/start → event → turn/end` under the plugin's trigger, followed by an awaited flush. Once the synthetic turn opens, target-append failure still attempts to close and flush it; detach is deferred until the sequence settles. Session titles contribute the source-free `session-title` zero-step trigger and opt both title event types into this seam. No message caused that trigger, so consumers of the merge-extensible `TurnTriggerMap` discriminate `kind` before reading variant fields; goal-round admission, for example, ignores every non-`message` trigger. ### Input and asynchronous timing diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index 7dfbc5cc37..cb70533d52 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -18,7 +18,7 @@ Status: implemented 每个已接受的修订都是纯日志 `session/title` 事件。其载荷包含规范化后的非空文本、用于派生标题的所有合格且来源为人类的 `user/message` 的准确 seq，以及回退来源信息，或已注册的提供方 id 加可选的提供方和模型路由。辅助标题模型发起调用前，共享辅助组件会追加一个纯日志 `session/title-llm-request` 事件，其载荷包含标题提供方 id、准确的源 seq、路由、系统提示词、消息和输出 token 上限；即使后续生成失败，这次请求仍可审计。发送的请求信封经过深度冻结，以确保其与该记录精确一致，但它有意不携带进程本地的 agent loop（智能体循环）请求身份，因此仅针对 agent loop 的重建检查不会将它与主对话请求头进行比较。未进入调用阶段的验证失败不会创建请求事件。`foldSessionTitle()` 选择最新的标题事件，并将该事件的 seq 和时间戳加入 `SessionTitleSnapshot`。这两类事件都不会进入 `session.surface` 或 `deriveMessages()`。 -核心会话包通过 `ctx.sessions.appendOutOfBand()` 暴露这一接口，但只允许所属插件同时通过声明合并向 `OutOfBandSessionEventMap` 添加标记的插件事件类型使用。开放轮次会直接接收纯日志事件，并负责其常规检查点。已关闭的日志会在该插件的触发器下接收 `turn/start → event → turn/end`，随后等待刷写完成。合成轮次一旦开启，即使目标追加失败，系统仍会尝试将其关闭并刷写；整个序列完成前会延迟 detach。会话标题提供 `session-title` 零步骤触发器，并让这两类标题事件都使用这一服务边界。 +核心会话包通过 `ctx.sessions.appendOutOfBand()` 暴露这一接口，但只允许所属插件同时通过声明合并向 `OutOfBandSessionEventMap` 添加标记的插件事件类型使用。开放轮次会直接接收纯日志事件，并负责其常规检查点。已关闭的日志会在该插件的触发器下接收 `turn/start → event → turn/end`，随后等待刷写完成。合成轮次一旦开启，即使目标追加失败，系统仍会尝试将其关闭并刷写；整个序列完成前会延迟 detach。会话标题提供不带消息来源的 `session-title` 零步骤触发器，并让这两类标题事件都使用这一服务边界。该触发器并非由消息引起，因此可合并扩展的 `TurnTriggerMap` 的消费方在读取变体字段前，会先根据 `kind` 判别类型；例如，目标轮次准入会忽略所有非 `message` 触发器。 ### 输入与异步时序 diff --git a/packages/goal/goal-session/README.md b/packages/goal/goal-session/README.md index 2ad4b161a3..2ded72ca78 100644 --- a/packages/goal/goal-session/README.md +++ b/packages/goal/goal-session/README.md @@ -21,7 +21,7 @@ The plugin has no tunable configuration. `maxGoalRounds` belongs to the goal def When an exact live agent is idle with an active, armed goal and remaining capacity, the driver first checkpoints pending goal mutations, then reserves `roundsStarted + 1` for the current `{ goalId, revision }`. It queues one `` prompt with `GoalMessageSource`. Admission through `agent/prompt-submit` verifies the complete queued record and current goal both before and after downstream prompt hooks; only the accepted `user/message` increments `roundsStarted`. A reservation rejected as stale does not consume the round number. -One goal round owns one ordinary session turn, and that turn may contain several model/tool steps. Human messages remain ordinary turns and do not consume the goal cap. If human work enters the inbox before a reservation or joins its pending batch, automatic work yields until that work settles; a pending automatic prompt in a mixed batch is rejected and re-reserved only after the agent becomes idle. +One goal round owns one ordinary session turn, and that turn may contain several model/tool steps. The driver pairs a reservation only with a `message` turn carrying its exact `GoalMessageSource`; merge-extensible plugin turn triggers do not admit or replace that reservation. Human messages remain ordinary turns and do not consume the goal cap. If human work enters the inbox before a reservation or joins its pending batch, automatic work yields until that work settles; a pending automatic prompt in a mixed batch is rejected and re-reserved only after the agent becomes idle. The retained prompt names the JSON-quoted objective and `round/maxGoalRounds`, treats the current workspace, tool results, and durable session state as authoritative, requires evidence before completion, and tells the model to leave the goal active when work remains. Quoting preserves multiline or tag-like objective text as data. Goal lifecycle mutations still require the independent authority checks in `dsh-tool-goal`. diff --git a/packages/goal/goal-session/src/index.ts b/packages/goal/goal-session/src/index.ts index 24364a4983..29ee650eb9 100644 --- a/packages/goal/goal-session/src/index.ts +++ b/packages/goal/goal-session/src/index.ts @@ -345,11 +345,17 @@ export function apply(ctx: Context): void { switch (event.type) { case 'turn/start': state.openTurn = event.data.turn - if (state.attempt !== undefined && isGoalRoundSource(event.data.trigger.source) - && sameRound(event.data.trigger.source, state.attempt)) { - state.attempt.turn = event.data.turn + switch (event.data.trigger.kind) { + case 'message': + if (state.attempt !== undefined && isGoalRoundSource(event.data.trigger.source) + && sameRound(event.data.trigger.source, state.attempt)) { + state.attempt.turn = event.data.turn + } + return + default: + // Injection and merge-extensible plugin triggers cannot admit a queued goal message. + return } - return case 'user/message': if (state.attempt !== undefined && isGoalRoundSource(event.data.source) && sameRound(event.data.source, state.attempt)) { diff --git a/packages/goal/goal-session/tests/goal-session.spec.ts b/packages/goal/goal-session/tests/goal-session.spec.ts index f43cb1afae..c8540297e4 100644 --- a/packages/goal/goal-session/tests/goal-session.spec.ts +++ b/packages/goal/goal-session/tests/goal-session.spec.ts @@ -12,6 +12,13 @@ import { SessionId } from '@deepseek-ai/dsh-session' import type { TurnEndReason } from '@deepseek-ai/dsh-session' import * as goalSession from '../src/index.ts' +declare module '@deepseek-ai/dsh-session' { + interface TurnTriggerMap { + /** Test-only plugin turn with no message source. */ + 'test-metadata': { kind: 'test-metadata' } + } +} + type ScriptEntry = StreamChunk[] | Error | 'hang' | ((options: GenerateOptions) => StreamChunk[]) /** Small request-recording adapter with controllable failure and cancellation. */ @@ -323,6 +330,31 @@ describe('same-session goal driving', () => { expect(requestText(test.adapter.requests[1]!)).toContain('') }) + it('ignores plugin-owned turn triggers while a goal round is queued', async () => { + const test = await harness([textResponse('goal answer')]) + const warnings: string[] = [] + test.ctx.logger.warn = ((message: unknown) => { warnings.push(String(message)) }) as typeof test.ctx.logger.warn + let inserted = false + test.ctx.on('agent/queued', (agent, _content, info) => { + if (agent !== test.agent || info.source.kind !== 'goal' || inserted) return + inserted = true + const lastStart = agent.session.events.findLast(event => event.type === 'turn/start') + const turn = (lastStart?.data.turn ?? 0) + 1 + agent.session.append('turn/start', { + turn, + trigger: { kind: 'test-metadata' }, + }) + agent.session.append('turn/end', { turn, reason: { kind: 'completed' } }) + }) + test.ctx.goals.create(test.agent, { objective: 'ignore metadata', maxGoalRounds: 1 }) + + await waitForGoal(test.ctx, test.agent, goal => goal?.phase === 'blocked') + + expect(inserted).toBe(true) + expect(test.adapter.requests).toHaveLength(1) + expect(warnings.some(warning => warning.includes('session/event listener threw'))).toBe(false) + }) + it('makes a reserved round stale when a listener queues human work behind it', async () => { const test = await harness([textResponse('human batch'), textResponse('later goal')]) let inserted = false From 5261ebab383a3e33fba7546844bbd023b22f0e16 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 16:34:28 +0800 Subject: [PATCH 27/28] fix(compact-basic): fence surface changes only --- ...07-15-replay-token-meter-service.i18n.yaml | 4 +-- .../2026-07-15-replay-token-meter-service.md | 2 +- ...026-07-15-replay-token-meter-service.zh.md | 2 +- .../2026-06-18-compaction-capability-seam.md | 2 ++ ...-07-21-log-backed-session-titles.i18n.yaml | 4 +-- .../2026-07-21-log-backed-session-titles.md | 2 +- ...2026-07-21-log-backed-session-titles.zh.md | 2 +- packages/compact/compact-basic/README.md | 2 +- packages/compact/compact-basic/src/region.ts | 9 ++++--- .../compact-basic/tests/compact-basic.spec.ts | 25 ++++++++++++++++--- packages/compact/compact/README.md | 2 +- 11 files changed, 39 insertions(+), 17 deletions(-) diff --git a/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.i18n.yaml b/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.i18n.yaml index d49aedb545..d7f0fc779c 100644 --- a/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.i18n.yaml +++ b/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-15-replay-token-meter-service.md: 9bbc177f456e006179c466f8c245e4599db3dd5a -2026-07-15-replay-token-meter-service.zh.md: 4437626c8651a80537d45197a93733271a592173 +2026-07-15-replay-token-meter-service.md: 2841c56eab362d7162954266c14b5eda21c7c1a4 +2026-07-15-replay-token-meter-service.zh.md: ab7bc01ce39aa3fa7a7299d97aed3b52f4f8b74e diff --git a/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.md b/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.md index 9bbc177f45..2841c56eab 100644 --- a/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.md +++ b/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.md @@ -32,7 +32,7 @@ Usage sums the disjoint input, cache-read, cache-write, and output buckets. Reas `dsh-compact-basic` requires `ctx.tokenMeter`; `CompactService` gains no token methods or types. Configuration, the region transaction, and summarization stay in separate modules; the service registers automatic listeners itself, while `summarize()` remains its sole subclass hook. The singleton meter consistently prices pressure, retention, shadowed content, provenance, and non-shrinking-summary rejection. -Automatic compaction uses one unified measurement for each threshold-and-retention decision. The region transaction measures after appending its durable `compact/start` lock and again after asynchronous summarization; any intervening durable append changes `logRevision` and prevents replacement. +Automatic compaction uses one unified measurement for each threshold-and-retention decision. The region transaction measures after appending its durable `compact/start` lock and again after asynchronous summarization, then compares the detached surface-node vectors. An intervening surface mutation prevents replacement; `logRevision` may advance for unrelated log-only facts without invalidating an unchanged selected span. Compact policy has service-wide defaults: threshold ratio `0.8`, retained tail `floor(contextWindow × 0.16)`, `summarizationProvider: ''`, `summarizationModel: ''`, `maxTokens: 8192`, `compactionRetries: 1`, `maxOverflowRetries: 1`, and `auto: true`. Top-level `thresholdRatio` and `retainTokens` override the pressure policy; retention must remain below the resulting threshold. The summarization provider and model must both be set or both be empty; an empty pair resolves the latest logged request target, then the `AgentOptions` pair. diff --git a/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.zh.md b/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.zh.md index 4437626c86..ab7bc01ce3 100644 --- a/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.zh.md +++ b/.agents/notes/implemented/architecture/2026-07-15-replay-token-meter-service.zh.md @@ -32,7 +32,7 @@ Usage 会对互不重叠的输入、缓存读取、缓存写入与输出 bucket `dsh-compact-basic` 要求 `ctx.tokenMeter`；`CompactService` 不增加 token 方法或类型。配置、区域事务与摘要器分别保留在独立模块中，服务自身注册自动监听器，而 `summarize()` 仍是唯一的子类 hook。单例计量器一致用于压力、保留、被遮蔽内容、来源以及非缩小摘要拒绝的定价。 -自动压缩的每次阈值与保留联合决策只使用一次统一计量。区域事务先追加持久 `compact/start` 锁，再执行一次计量，并在异步摘要完成后再次计量；期间任何持久追加都会改变 `logRevision`，从而阻止替换。 +自动压缩的每次阈值与保留联合决策只使用一次统一计量。区域事务会在追加持久 `compact/start` 锁后执行计量，在异步摘要完成后再次计量，随后比较分离的表层节点向量。期间发生的表层变更会阻止替换；`logRevision` 可以因无关的纯日志事实而推进，而不会使未变的选定范围失效。 压缩策略采用服务级默认值：阈值比例 `0.8`、保留尾部 `floor(contextWindow × 0.16)`、`summarizationProvider: ''`、`summarizationModel: ''`、`maxTokens: 8192`、`compactionRetries: 1`、`maxOverflowRetries: 1` 与 `auto: true`。顶层 `thresholdRatio` 与 `retainTokens` 覆盖压力策略；保留值必须小于最终阈值。摘要提供方与模型必须同时设置或同时为空；空组合先解析最近记录的请求目标，再使用 `AgentOptions` 中的组合。 diff --git a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md index 99313866ed..92f5774388 100644 --- a/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md +++ b/.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md @@ -93,6 +93,8 @@ The `compact/start … compact/end` bracket is justified, in order of what now d 1. **Crash-detectable orphan + provenance** (primary). Summarization is a slow model call persisted *after* `compact/start`. A crash mid-summarization leaves a `compact/start` with no matching `compact/end` — a detectable orphan. Releasing the lock last (rather than first) converts the crash window from *silent corruption* into that detectable orphan. 2. **Prevents concurrent compaction.** `compactRegion` refuses to start if the current turn holds an unmatched `compact/start`. (The loop is single-threaded across either awaited automatic seam, so this is also a re-entry tripwire — a thrown "already in progress" signals a real bug.) +The lock excludes another compaction, not unrelated log-only facts. The basic backend snapshots the token meter's surface nodes after `compact/start` and compares them again after asynchronous summarization; any surface mutation rejects before replacement, while a title or other log-only append leaves the selected span valid. + Two failure paths, both documented: - **Crash** (the loop dies mid-summarization): a dangling `compact/start`, no closer. Because `compact/*` are **log-only**, the orphan is **inert** — no summary replacement lands. The derived surface remains the durable surface present at `compact/start`: full history when pruning made no replacement, or the already-pruned history when it did. Generic turn-repair (`interruptedTurnClosers`) closes the turn with a synthetic `turn/end`; the orphan sits *before* that `turn/end`, so the turn-scoped in-progress check never sees it and a crash cannot wedge future compaction. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml index bb6fc53670..32b0b3a218 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-21-log-backed-session-titles.md: d322b58c32d44c07d8d18618546225e7001ab025 -2026-07-21-log-backed-session-titles.zh.md: cb70533d52310574c56c7b0177b9b1ba34d7176a +2026-07-21-log-backed-session-titles.md: cd0d2a4bab9b6504c65e942c0e03bce79488364e +2026-07-21-log-backed-session-titles.zh.md: b90ac6c59677e6542733210b91de38ef1169c760 diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md index d322b58c32..cd0d2a4bab 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md @@ -24,7 +24,7 @@ The core session package exposes `ctx.sessions.appendOutOfBand()` only for plugi Only text blocks from human-source `user/message` events are eligible. Empty, control-only, and non-text prompts wait for the next eligible message. The service schedules the first fallback without awaiting it from the prompt path, normalizes whitespace and control sequences, applies the configured word and UTF-8 byte limits without splitting a code point, and records the first message seq. -Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the marked loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. Automatic work and concurrent refreshes share one session-local in-flight fallback promise, so the first fallback creates only one title event and zero-step turn. All title-capability out-of-band writes share a per-session settlement queue; a replacement model request waits for any earlier title write, while the superseded model call itself remains independently abortable and cannot commit stale output. +Automatic provider work starts only after the main loop has a current logged provider/model route. A newly appended `request/header` starts pending work directly; when the header is unchanged, the marked loop-built `llm/stream` request starts it after matching the folded route. Generation then runs independently of the agent response, and a completion joins whichever turn is open at acceptance time or uses the zero-step append path. Explicit `refresh(session, signal?)` materializes any missing fallback and awaits the registered provider; without a provider it returns the fallback. Caller cancellation during fallback flush does not roll back the durable append, but `refresh()` rechecks the signal and rejects instead of returning success. Concurrent refreshes reserve their session-local revision before waiting for fallback durability, so a newer call supersedes an older call before either can invert provider completion order. Automatic work and concurrent refreshes share one session-local in-flight fallback promise, so the first fallback creates only one title event and zero-step turn. All title-capability out-of-band writes share a per-session settlement queue; a replacement model request waits for any earlier title write, while the superseded model call itself remains independently abortable and cannot commit stale output. A title accepted during asynchronous compaction remains log-only, so the compactor's post-summary surface-node check tolerates it; a concurrent surface mutation still invalidates the replacement. The first-message provider schedules once when a fresh session first creates its fallback. An automatic failure does not reschedule on later prompts; `refresh()` is the retry path. The all-messages provider schedules after every eligible human prompt and passes all eligible messages through that revision, including seeded history. Its newer revision aborts and supersedes older pending or active work. diff --git a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md index cb70533d52..b90ac6c596 100644 --- a/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md +++ b/.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.zh.md @@ -24,7 +24,7 @@ Status: implemented 只有人类来源的 `user/message` 事件中的文本块才符合条件。空提示词、仅含控制字符的提示词和非文本提示词会等待下一条合格消息。服务从提示词路径调度首个回退标题而不等待其完成，随后规范化空白和控制序列，应用已配置的单词数和 UTF-8 字节限制且不拆分代码点，并记录第一条消息的 seq。 -仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建并带有标记的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。自动工作与并发刷新在每个会话内共用同一个进行中的回退 promise，因此首次回退只会创建一个标题事件和一个零步骤轮次。会话标题功能产生的所有带外写入在每个会话内共用一个结算队列；接替执行的模型请求会等待任何更早的标题写入完成，而被取代的模型调用本身仍可独立中止，且无法提交陈旧输出。 +仅当主循环存在已记录在日志中的当前提供方/模型路由时，自动提供方工作才会启动。`request/header` 新追加到日志时，会直接启动待执行工作；如果请求头没有变化，则由循环构建并带有标记的 `llm/stream` 请求会先与折叠所得的路由匹配，再启动该工作。随后，生成工作独立于 agent 响应运行；完成结果在被接受时加入当时开放的轮次，否则使用零步骤追加路径。显式调用 `refresh(session, signal?)` 会生成尚缺的回退标题并等待已注册的提供方；没有提供方时则返回回退标题。调用方在回退标题刷写期间取消调用不会回滚这次持久化追加，但 `refresh()` 会重新检查取消信号，并让调用以拒绝结束，而非返回成功。并发刷新会在等待回退标题持久化完成前预留会话本地修订号，因此在任何调用有机会造成提供方完成顺序倒置之前，较新的调用就会取代较早的调用。自动工作与并发刷新在每个会话内共用同一个进行中的回退 promise，因此首次回退只会创建一个标题事件和一个零步骤轮次。会话标题功能产生的所有带外写入在每个会话内共用一个结算队列；接替执行的模型请求会等待任何更早的标题写入完成，而被取代的模型调用本身仍可独立中止，且无法提交陈旧输出。异步压缩（compaction）期间接受的标题仍是纯日志事件，因此压缩器在摘要完成后执行的表层节点检查不会因该标题而失败；并发的表层变更仍会使替换失效。 首消息提供方仅在新会话首次创建回退标题时调度一次。自动执行失败后，后续提示词不会重新调度；`refresh()` 是重试路径。全部消息提供方会在每条合格且由人类发出的提示词后调度，并传入截至该修订的所有合格消息，包括预置历史记录。较新的修订会中止并取代更早的待执行或活跃工作。 diff --git a/packages/compact/compact-basic/README.md b/packages/compact/compact-basic/README.md index d789bf2328..532cc4bbfe 100644 --- a/packages/compact/compact-basic/README.md +++ b/packages/compact/compact-basic/README.md @@ -14,7 +14,7 @@ This backend owns the compaction policy: - **Convergence** — retry head-checkpoint compaction up to `compactionRetries`; reject a summary that does not shrink its source, and throw if retries cannot return below threshold. - **Summarization** — a direct `llm/stream` call uses the configured provider/model pair and cap, falling back to the latest logged request target and then the agent target, without running the loop-only `agent/request` seam. The input transcript preserves non-text blocks as tagged placeholders; only returned text enters the checkpoint, excluding reasoning and tool calls that would leak private reasoning or create an orphaned call. - **Framing** — the replacement user message marks established checkpoint context with `` tags. The raw summary remains on the provenance event, and later automatic cycles merge the prior checkpoint. -- **Lifecycle** — `compactRegion()` mutates `agent.session` and records its start, summary, replacement, and end. The serial `agent/post-step` listener checks pressure after successful output and tool work are durable but before `step/end`. Canonical provider overflow is handled through `agent/request-error` after the failed step closes. +- **Lifecycle** — `compactRegion()` mutates `agent.session` and records its start, summary, replacement, and end. After asynchronous summarization it rejects a changed surface-node snapshot, while unrelated log-only events may append without invalidating the selected span. The serial `agent/post-step` listener checks pressure after successful output and tool work are durable but before `step/end`. Canonical provider overflow is handled through `agent/request-error` after the failed step closes. - **Overflow recovery** — below-threshold overflow bypasses normal retention, prunes, then attempts one maximal balanced head reduction while leaving the newest indivisible unit. Retry is authorized whenever `surface.replaceGeneration` advances, including when pruning lands before later summary work throws. No replacement, an exhausted cap, cancellation, or an unknown/noncanonical error preserves the original provider failure. - **Failure handling** — an unmatched `compact/start` is an inert crash marker because no summary replacement landed. A region failure records an error end; the surface remains unchanged unless pruning already landed. Operational post-step failures warn and continue, while overflow-recovery failure preserves the original provider error only when no earlier replacement advanced the surface. Cancellation remains authoritative after any progress. diff --git a/packages/compact/compact-basic/src/region.ts b/packages/compact/compact-basic/src/region.ts index ac1ee260b1..ad40265cc4 100644 --- a/packages/compact/compact-basic/src/region.ts +++ b/packages/compact/compact-basic/src/region.ts @@ -4,6 +4,7 @@ * @module @deepseek-ai/dsh-compact-basic/region */ +import { isDeepStrictEqual } from 'node:util' import { renderTranscript, toolPairingBalancedAfter, @@ -113,8 +114,8 @@ export async function compactSurfaceRegion( const shadowedSeqs = nodes.slice(startIdx, endIdx + 1) const startEvent = session.append('compact/start', { turn: tail.turn }) try { - // Capture after the lock event so any later durable append, including a - // log-only one, invalidates the async selection before replacement. + // Capture after the lock event so a later surface mutation invalidates the + // async selection before replacement. Unrelated log-only facts may append. const lockedMeasurement = dependencies.meter.measure(session) const selected = lockedMeasurement.nodes.slice(startIdx, endIdx + 1) if (selected.length !== shadowedSeqs.length @@ -126,8 +127,8 @@ export async function compactSurfaceRegion( const { summary, provider, model, maxTokens } = await dependencies.summarize(text, agent, signal) const currentMeasurement = dependencies.meter.measure(session) - if (currentMeasurement.logRevision !== lockedMeasurement.logRevision) { - throw new Error('compaction: session log changed during summarization') + if (!isDeepStrictEqual(currentMeasurement.nodes, lockedMeasurement.nodes)) { + throw new Error('compaction: session surface changed during summarization') } const framedSummary = frameSummary(summary) const framedSummaryTokenCount = dependencies.meter.estimateMessage({ diff --git a/packages/compact/compact-basic/tests/compact-basic.spec.ts b/packages/compact/compact-basic/tests/compact-basic.spec.ts index d0340e8b0d..090bb561e6 100644 --- a/packages/compact/compact-basic/tests/compact-basic.spec.ts +++ b/packages/compact/compact-basic/tests/compact-basic.spec.ts @@ -683,13 +683,13 @@ describe('compaction region transaction', () => { .toMatchObject({ error: 'plain failure' }) }) - it('rejects concurrent durable appends before committing the replacement', async () => { + it('tolerates concurrent log-only appends while the selected surface is stable', async () => { const compact = service() const session = conversation(2) compact.mutateDuringSummary = () => { session.append('request/header', { header: { config: { provider: MODEL, model: MODEL } }, - reason: 'initial', + reason: 'change', }) } const nodes = session.surface.nodes @@ -698,7 +698,26 @@ describe('compaction region transaction', () => { nodes[0]!, nodes[2]!, agent(session, MODEL), - )).rejects.toThrow(/session log changed/) + )).resolves.toMatchObject({ shadowedSeqs: nodes.slice(0, 3) }) + expect(session.events.some(event => event.type === 'compact/summary')).toBe(true) + }) + + it('rejects concurrent surface appends before committing the replacement', async () => { + const compact = service() + const session = conversation(2) + compact.mutateDuringSummary = () => { + session.append('context/message', { + content: [{ type: 'text', text: 'concurrent surface mutation' }], + source: { kind: 'plugin', plugin: 'test' }, + }, { surfaceOp: 'append' }) + } + const nodes = session.surface.nodes + + await expect(compact.compactRegion( + nodes[0]!, + nodes[2]!, + agent(session, MODEL), + )).rejects.toThrow(/session surface changed/) expect(session.events.some(event => event.type === 'compact/summary')).toBe(false) }) diff --git a/packages/compact/compact/README.md b/packages/compact/compact/README.md index 6e33b6e570..6c1291518f 100644 --- a/packages/compact/compact/README.md +++ b/packages/compact/compact/README.md @@ -47,7 +47,7 @@ The surface mutation (step 4) sits **inside** the lock bracket: `compact/end` is ## Blocking -Compaction is serialized via a log-recorded lock: `compactRegion` refuses to start if the last `compact/start` has no matching `compact/end` after it. The lock is the log (not an in-memory mutex), so it survives replay and a persistence backend can detect an orphaned `compact/start` on reload. The lock brackets the **whole** operation — summarization, the `compact/summary` provenance record, *and* the `user/message` surface replacement all happen before `compact/end` — so a `session/event` listener firing on `compact/end` never observes the lock free while the surface mutation is still pending. `compact/end` is appended even when summarization throws, so a failure can never wedge the lock. +Compaction is serialized via a log-recorded lock: `compactRegion` refuses to start if the last `compact/start` has no matching `compact/end` after it. The lock is the log (not an in-memory mutex), so it survives replay and a persistence backend can detect an orphaned `compact/start` on reload. The lock brackets the **whole** operation — summarization, the `compact/summary` provenance record, *and* the `user/message` surface replacement all happen before `compact/end` — so a `session/event` listener firing on `compact/end` never observes the lock free while the surface mutation is still pending. The basic backend revalidates the selected surface after summarization: a surface change rejects, while an unrelated log-only append does not invalidate the replacement. `compact/end` is appended even when summarization throws, so a failure can never wedge the lock. ## Events From 2c36792b6caa1747973aba87c392a922c703741b Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Tue, 21 Jul 2026 23:10:47 +0800 Subject: [PATCH 28/28] docs(architecture): synchronize Chinese pair --- docs/architecture.i18n.yaml | 4 ++-- docs/architecture.zh.md | 31 +++++++++++++++---------------- 2 files changed, 17 insertions(+), 18 deletions(-) diff --git a/docs/architecture.i18n.yaml b/docs/architecture.i18n.yaml index 1d723b79fd..eb2665e8a3 100644 --- a/docs/architecture.i18n.yaml +++ b/docs/architecture.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -architecture.md: 5a92066347528dd2bcbf3526b8f1f39377eb2f28 -architecture.zh.md: 913d2bf63a91f99603d7af42efa5b15630f7ea95 +architecture.md: 517288c4480295b190050651b6047c608d16cb4c +architecture.zh.md: 70a5783d462f3b2d71fc47c0f7768f62141e5cad diff --git a/docs/architecture.zh.md b/docs/architecture.zh.md index 913d2bf63a..70a5783d46 100644 --- a/docs/architecture.zh.md +++ b/docs/architecture.zh.md @@ -6,9 +6,9 @@ ## 概览 -每个 harness 都是一个 [Cordis](cordis-primer.md) 上下文。各包（package）会贡献服务（`ctx.llm`、`ctx.tools`、`ctx.sessions`、`ctx.sessionTitle`）、类型化事件（`agent/request`、`tools/pre-execute`、`session/event`），以及可释放的提示词、工具、提供方、适配器和监听器。 +每个 harness 都是一个 [Cordis](cordis-primer.md) 上下文，由各包（package）贡献服务、类型化事件和可释放的注册项。 -`packages/core/` 汇集默认的 agent（智能体）流程；其他功能均为一等的 Cordis 插件。 +`packages/core/` 汇集默认的 agent（智能体）流程；各项功能仍以插件形式存在。 ### 默认服务 @@ -63,9 +63,9 @@ waterfall（瀑布式事件）的行为类似环绕中间件：监听器调用 ` 已交付的循环通过插件可见的服务和事件，持续处理从提示词到检查点的工作。 -**会话**是仅追加日志。每个普通**轮次**领取一项已排队的 `send()` 输入；注入不领取输入。后续轮次会等待上一项已领取轮次的检查点，但可以与其共用同一个 `running` 区间（[决策](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)）。模型和插件停止轮次时，该轮次结束。一个**步骤**包含一次模型请求及其工具。下文（[时序配套文档](agent-lifecycle.md)）用引号标记持久事件。 +**会话**采用仅追加方式。每个普通**轮次**领取一项已排队的 `send()` 输入；注入不领取输入。后续轮次会等待前一个已领取轮次的检查点，但可以与其共用同一个 `running` 区间（[决策](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)）。模型和插件停止轮次时，该轮次结束；一个**步骤**包含一次模型请求及其工具。在[下文时序](agent-lifecycle.md)中，引号标记持久事件。 -未提供 id 时会生成 `-session-`；`sessionId` 用于恢复或创建会话，而 `resumeSessionId` 要求已有历史。恢复流程在发布前还原沿袭关系和委托深度。设置失败会发出 `agent-loop/config-start-failed`；拆卸过程保持静默。 +未提供 id 时，创建流程会生成 `-session-`；`sessionId` 用于恢复或创建会话，而 `resumeSessionId` 要求已有历史。恢复流程在发布前还原沿袭关系和委托深度。初始化失败会发出 `agent-loop/config-start-failed`；拆卸过程保持静默。 ### 轮次流程 @@ -115,15 +115,15 @@ forever: 每个步骤都会组装有序提示词片段、工具 schema 和变量；未知引用会使该轮次失败。`dsh-system-prompt` 负责身份和角色设定，循环则提供 `model` 和 `cwd`（[提示词归属](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)）。 -工具执行阶段的上下文，包括异步 `agent.inject()` 通知和工具执行后的 `additionalContexts`，会在结果产生后稳定。steering（中途引导）会排空；在信号关闭前，`agent/post-step` 会观察持久输出、结果、上下文和 steering。余留内容进入队列。终止型 `agent/turn-stop` 在续跑判断和 steering 折叠后运行，在关闭和刷写期间仍具有最终决定权，并丢弃后续 steering，同时保留排队提示词。 +工具执行阶段的上下文，包括异步 `inject()` 和工具执行后的 `additionalContexts`，会在结果产生后稳定。steering（中途引导）会在 `agent/post-step` 前排空；该事件会观察持久输出、结果、上下文和 steering。余留内容进入队列。终止型 `agent/turn-stop` 在关闭和刷写期间始终具有最终决定权；后续 steering 会被丢弃，排队提示词仍予保留。 裁剪先于摘要；溢出重试必须取得持久进展。有界的瞬态重试在 `agent/request-error` 上组合；取消优先（[压缩](../.agents/notes/implemented/architecture/2026-07-10-after-call-compaction-pressure-and-overflow-recovery.md)、[重试](../.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md)）。 ### 失败边界 -轮次是故障隔离边界。适配器故障会关闭步骤，并携带准确的故障事实进入 `agent/request-error`。重试会开启一个有编号的步骤；重试耗尽后，故障存入 `turn/end`。失败分片不会提交任何消息或工具。 +轮次负责隔离故障。适配器故障会先关闭步骤，再进入 `agent/request-error`；该事件会收到准确的 `Error`、`LlmFailure` 和历史记录。重试会开启另一个步骤；成功会清除历史记录；重试耗尽后，故障存入 `turn/end`。失败分片不会提交消息或工具。 -其他故障使用 `agent/error`。取消优先于恢复；尚未分派的调用会得到合成的 `ABORTED` 结果。实际生效的 `cancel()` 会在清空队列或中止前发出 `agent/cancel-requested`；观察方不能否决该操作，空闲状态下的调用不发出任何事件。dispose（资源释放）会等待系统停稳。 +其他故障使用 `agent/error`。取消和资源释放均优先于恢复；尚未分派的工具调用会得到合成的 `tool/call`/`ABORTED_BEFORE_DISPATCH` 对。轮次信号会在 `turn/end` 前失效。实际生效的 `cancel()` 会在清空队列和中止前发出类型化原因；观察方不能否决该操作，空闲状态下的调用不发出任何事件，持久化会记录 `aborted`。dispose（资源释放）会等待系统停稳（[决策](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)）。 每个会话事件都包围在轮次内。重新加载会保留中断的日志尾部，并用合成的 `interrupted` 轮次结束事件将其闭合。持久轮次关闭后的故障只通过 `agent/error` 报告，因为此时已没有安全的轮次内位置。每个轮次有一个 `TurnEndReason`；各变体由 [TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap) 统一定义。 @@ -133,25 +133,25 @@ forever: ### Agent 作用域 -每个活跃 agent 都拥有一个作用域化的 `agent.ctx`。注册项会遮蔽全局项，只接收发往该 agent 的分派，并随 agent 一同撤销；系统会等待异步清理。`CreateAgentOptions.setup(agentCtx)` 在发布前完成组合。类型化解析器从合并后的 `Events` 签名和 `scopeTarget` 推导载体检查（[语义门禁](../.agents/notes/implemented/process/2026-07-14-typescript-program-backed-semantic-gates.md)）。参见 [agent 作用域](../.agents/notes/implemented/architecture/2026-07-08-agent-scope-contexts.md)和 [subagent 组合](../.agents/notes/implemented/feature/2026-07-12-subagent-persona-tool-filter-and-depth.md)。`AgentLoop` 会传播其发起方；私有编排会派生 `agent.session`，其他身份则保持显式（[决策](../.agents/notes/implemented/architecture/2026-07-15-agent-initiator-scope.md)）。 +每个 agent 都拥有一个作用域化的 `agent.ctx`；注册项会遮蔽全局项、过滤分派，并在撤销时等待清理完成。`CreateAgentOptions.setup(agentCtx)` 在发布前完成组合。类型化解析器从合并后的 `Events` 和 `scopeTarget` 推导载体检查（[语义门禁](../.agents/notes/implemented/process/2026-07-14-typescript-program-backed-semantic-gates.md)）。参见 [agent 作用域](../.agents/notes/implemented/architecture/2026-07-08-agent-scope-contexts.md)和 [subagent 组合](../.agents/notes/implemented/feature/2026-07-12-subagent-persona-tool-filter-and-depth.md)。`AgentLoop` 在 `ctx.agents.withInitiator()` 内运行；私有编排会派生 `agent.session`，而轮次、步骤、信号、cwd 和权限仍保持显式（[决策](../.agents/notes/implemented/architecture/2026-07-15-agent-initiator-scope.md)）。 ## 状态 ### 会话日志 -会话日志是真源。`deriveMessages()` 将会话事件投影为发送给模型的 `Message[]`；原始 `assistant/chunk` 事件留在日志中，以保证回放和 UI 保真。回放、fork、恢复、transcript（文本记录）渲染、遥测和持久化均派生自同一个事件流。 +会话日志是权威依据。`deriveMessages()` 投影出模型历史；原始 `assistant/chunk` 事件留在日志中，以保证回放和 UI 保真。fork、恢复、transcript（文本记录）渲染、遥测和持久化均派生自同一个事件流。 **模型可见 ⟺ 已记录**：日志可以重建每个请求，包括由请求头会话前缀置于开头的 `step/start` 时消息，以及通过折叠 `request/header` 得到的请求头；开发期不变量会断言这一点（[可重建性](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)）。 持久性由插件负责。后端会缓冲同步的 `session/event` 通知；循环等待轮次结束检查点。`SessionPersistence` 直接存储 `SessionEvent`，并将元数据存入 `SessionHeader`；JSONL 默认采用带校验和的 Zstandard，SQLite 则遵循同一契约。 -插件所属的纯日志事件可选择使用 `ctx.sessions.appendOutOfBand()`：事件会加入开放轮次，或获得一个平衡且已刷写的零步骤轮次。`session/title` 采用该路径并以后写覆盖方式折叠，同时记录源消息 seq 和来源信息。其首消息回退标题会立即产生；至多一个可选提供方可以异步替换该标题，而不会延迟 agent 响应。fork 会原样继承已记录的标题（[决策](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)）。 +`ctx.sessions.appendOutOfBand()` 会把插件所属的纯日志事件加入开放轮次，或创建一个平衡且已刷写的零步骤轮次。`session/title` 按后写覆盖方式折叠，并携带源 seq 和来源信息；其即时回退标题和唯一可选异步提供方都不会延迟 agent 响应。fork 会继承标题（[决策](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)）。 ### 模型内容 -消息包含类型化块（`text`、`reasoning`、`tool-call`、`tool-result`），这些块从可合并扩展的 `ContentBlockMap` 派生；`MessageSource`、`FinishReason`、`TurnTrigger` 和 `TurnEndReason` 也采用同一模式定义类型。新增块类型会将适配器、UI 桥接、压缩计价、token 计量和持久化协调成一项全仓库契约；回放计量类型见 [token-meter.md](core-data-structures/token-meter.md)。 +消息使用从可合并扩展的 `ContentBlockMap` 派生的类型化块；`MessageSource`、`FinishReason`、`TurnTrigger` 和 `TurnEndReason` 也采用同一模式定义类型。新增块会协调适配器、UI、压缩、token 计量和持久化；回放计量见 [token-meter.md](core-data-structures/token-meter.md)。 -流式输出使用原始分片和 `BlockAssembler`。一次 `LlmAdapter.stream()` 调用代表一次提供方尝试；适配器报告事实，恢复逻辑则位于 `agent/request-error`。循环会记录分片及成功结果的来源信息和回放状态。远程适配器使用逐次读取空闲看门狗。只有当路由共用同一个适配器实例时，回放状态才会到达目标（[契约](core-data-structures/llm-streaming.md)）。 +流式输出使用原始分片和 `BlockAssembler`。每次 `LlmAdapter.stream()` 调用代表一次提供方尝试；适配器报告事实，`agent/request-error` 负责恢复。循环会记录分片及成功结果的来源信息和回放状态。远程适配器使用逐次读取空闲看门狗。只有当路由共用同一个适配器实例时，回放状态才会跨路由传递（[契约](core-data-structures/llm-streaming.md)）。 ## 扩展与组合 @@ -159,13 +159,13 @@ forever: 可替换功能通常拆分为**接口／实现／消费方**：服务和事件、后端，以及面向模型的工具和提示词。Bash 是参考实现；[功能图](capability-seams.md)映射了每个包族。 -例外情况会合并不同层次：LLM（大语言模型）合并接口和消费方，文件系统整合策略，web 使用注册表，skill 和 subagent 使用具名提供方。会话标题将内置回退方案与单提供方注册表和共享 LLM 辅助组件配对。subagent 可以通过 spawn 创建全新实例、fork 一个已完成轮次的前缀，或使用 ACP（Agent Client Protocol）子 agent（[subagent.md](core-data-structures/subagent.md)）。 +例外情况会合并不同层次：LLM（大语言模型）合并接口和消费方，文件系统整合策略，web 使用注册表，skill 和 subagent 使用具名提供方。subagent 可以通过 spawn 创建全新实例、fork 一个已完成轮次的前缀，或使用 ACP（Agent Client Protocol）子 agent（[subagent.md](core-data-structures/subagent.md)）。 `dsh-workspace-context` 在 `agent/session-prefix` 上组合基线，并在通过 `ctx.fs` 发现嵌套变更后，于 `tools/post-execute` 追加这些变更；其[决策](../.agents/notes/implemented/feature/2026-06-24-workspace-context.md)记录了隔离方式。`dsh-paths` 负责共享路径。 ### 组合包与应用 -`dsh-agent-spine-demo` 组合默认主干，其中包含回退标题和可选的持久化目标；模型标题提供方仍需按需启用（[README](../packages/examples/agent-spine-demo/README.md)）。`dsh-tui-demo` 负责交互式全屏终端，并默认启用目标功能和 `/goal`；`dsh-cli-demo` 运行一个持久化的无界面轮次，并保持 stdout 格式纯净；`dsh-acp-demo` 通过 JSON-RPC 添加 stdout 纯净的 ACP，并启用相同的目标与命令栈（[ui/](../packages/ui/README.md)）。`dsh-jsonrpc-agent` 启动外部 `cordis.yml`；Python SDK 仅在没有显式配置通道时提供默认项，并通过按行分隔的 JSON-RPC 驱动 `dsh-jsonrpc`（[Python SDK](../python/README.md)）。部署保持为轻量叶节点，使用可替换后端和可选产品工具（[examples/](../examples/AGENTS.md)、[可运行接线](cookbook/extension-cookbook.md#runnable-wirings)、[图谱](graph-atlas.md)）。 +`dsh-agent-spine-demo` 组合一套主干和可选目标。应用包负责 TUI、单次运行的 CLI（命令行界面）以及 ACP/JSON-RPC 入口（[README](../packages/examples/agent-spine-demo/README.md)、[ui/](../packages/ui/README.md)）。`dsh-jsonrpc-agent` 启动外部 `cordis.yml`；Python SDK 仅在没有显式配置时提供默认项（[Python SDK](../python/README.md)）。轻量部署使用可替换后端和可选工具（[examples/](../examples/AGENTS.md)、[可运行接线](cookbook/extension-cookbook.md#runnable-wirings)、[图谱](graph-atlas.md)）。 ### 新行为的归属位置 @@ -194,7 +194,6 @@ forever: ## 快速参考 - [术语表](glossary.md)中的领域术语 - [core-data-structures/](core-data-structures/core.md) 中的类型定义 -- [事件](cordis-catalog/events.md)中的准确事件与服务签名 -- [服务](cordis-catalog/services.md)目录 +- [事件](cordis-catalog/events.md)和[服务](cordis-catalog/services.md)目录中的准确签名 - [包索引](../packages/README.md)中的包契约 - [Agent Note（agent 决策记录）](../.agents/notes/README.md)