refactor(ui): fold the stdio UI helper into the stdio app
The readline UI lives inside @deepseek-ai/dsh-stdio-agent as the in-package stdio-chat module; the packages/support/ui-stdio package is gone. The app's front-door cluster always includes this UI and nothing else composes it, so the boundary bought manifest/tsconfig/module-graph/ README/publint surface for a helper that is not independently swappable — and a product app no longer depends on a support package documented as not-product-surface. createStdioChat, the StdioRuntime test seam, and both unit suites moved verbatim (imports rewired to the module path); the named name/inject/Config/apply export shape stays, being the contract the app's ctx.plugin mount consumes. Coverage stays per-file 100%; the built-bin smoke under plain node and both keyless Loader-path smokes prove the published artifact and the demos end-to-end. Implements docs/rfc/implemented/simplification/2026-07-04-fold-stdio-ui-helper.md (moved from proposed/ and amended to the shipped shape).
This commit is contained in:
Tianyi Cui
@@ -114,8 +114,6 @@ packages/ Harness packages, grouped by role at packages/<group>/<pkg>/.
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acp bridge, NO stdout logger + a bin (the demo:acp front door)
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support/ dev/test/example infrastructure (lower compat expectations)
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invariants/ dev-mode event-contract invariants + session-log freeze
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ui-stdio/ minimal stdio (readline) UI plugin: renders agent/* events,
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feeds stdin lines to the agent (shared by the demos)
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llm-replay/ record/replay adapter: short-circuits llm/stream from a
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recorded session JSONL (keyless snapshot tests)
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subagent-mock/ scripted SubagentProvider for deterministic seam/tool tests
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@@ -48,9 +48,6 @@ graph TD
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tools --> agent
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tools --> llm
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tools --> system-prompt
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ui-stdio --> agent
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ui-stdio --> llm
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ui-stdio --> session
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acp --> agent
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acp --> llm
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acp --> session
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@@ -121,7 +118,6 @@ graph TD
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stdio-agent --> agent-core
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stdio-agent --> session
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stdio-agent --> session-persistence-jsonl
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stdio-agent --> ui-stdio
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subagent-fork --> agent
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subagent-fork --> session
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subagent-fork --> subagent
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@@ -158,7 +154,6 @@ graph TD
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| `session-persistence-jsonl` | `session`, `session-persistence` |
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| `session-persistence-sqlite` | `session`, `session-persistence` |
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| `tools` | `agent`, `llm`, `system-prompt` |
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| `ui-stdio` | `agent`, `llm`, `session` |
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| `acp` | `agent`, `llm`, `session`, `session-persistence`, `tools` |
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| `agent-loop` | `agent`, `llm`, `session`, `session-persistence`, `system-prompt`, `tools` |
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| `hooks-codex` | `agent`, `hook-protocol`, `llm`, `session`, `tools` |
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@@ -174,6 +169,6 @@ graph TD
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| `subagent-mock` | `agent`, `llm`, `subagent` |
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| `tool-subagent` | `agent`, `llm`, `subagent`, `tools` |
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| `acp-agent` | `acp`, `agent-core`, `session-persistence-jsonl` |
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| `stdio-agent` | `agent`, `agent-core`, `session`, `session-persistence-jsonl`, `ui-stdio` |
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| `stdio-agent` | `agent`, `agent-core`, `session`, `session-persistence-jsonl` |
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| `subagent-fork` | `agent`, `session`, `subagent`, `subagent-inprocess` |
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| `subagent-spawn` | `subagent`, `subagent-inprocess` |
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+1
-1
@@ -55,7 +55,6 @@ Do NOT write one for a mechanical or local choice (a variable name, a one-file r
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| [Drop the `image` content block until a path can honor it](proposed/simplification/2026-07-04-drop-image-content-block.md) | 2026-07-04 |
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| [Drop `GenerateOptions.prefill` and `ToolSchema.strict` — request knobs with no working end-to-end path](proposed/simplification/2026-07-04-drop-inert-request-knobs.md) | 2026-07-04 |
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| [Drop the unconsumed web observation surface — the `providers-change` event and the status methods](proposed/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md) | 2026-07-04 |
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| [Fold the stdio UI helper into the stdio app](proposed/simplification/2026-07-04-fold-stdio-ui-helper.md) | 2026-07-04 |
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| [Prune dead core-spine surface — `SurfaceManager.invalidate()`, the loop-internal exports, `ToolExecutionResult.callId`](proposed/simplification/2026-07-04-prune-dead-core-spine-surface.md) | 2026-07-04 |
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| [Prune producer-less vocabulary variants (block cache hints, the `agent` message source, the `continuation` turn trigger)](proposed/simplification/2026-07-04-prune-producerless-vocabulary-variants.md) | 2026-07-04 |
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| [Prune write-only fields and a dead routing knob from the fs seam](proposed/simplification/2026-07-04-prune-write-only-fs-surface.md) | 2026-07-04 |
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@@ -120,6 +119,7 @@ Do NOT write one for a mechanical or local choice (a variable name, a one-file r
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| [Stop mirroring durable boundaries as agent events](implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md) | 2026-06-20 |
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| [Split the filesystem seam — provider text mutations plus the `dsh-fs-policy` plugin](implemented/simplification/2026-06-26-fsspec-style-fs-seam.md) | 2026-06-26 |
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| [Stop mirroring the token stream as an agent event](implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md) | 2026-07-02 |
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| [Fold the stdio UI helper into the stdio app](implemented/simplification/2026-07-04-fold-stdio-ui-helper.md) | 2026-07-04 |
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### Architecture
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@@ -0,0 +1,24 @@
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# RFC: Fold the stdio UI helper into the stdio app
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Status: implemented
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## Problem
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The readline UI was a whole package (`@deepseek-ai/dsh-ui-stdio` under `packages/support/`) whose only runtime importer was the app package `@deepseek-ai/dsh-stdio-agent`. The examples reach the readline UI by loading the app, never by composing the helper themselves; every other repo reference was mechanical or descriptive surface that existed BECAUSE the package boundary existed — manifest and tsconfig entries, generated module-graph rows, dependency-graph and README rows, and doc comments naming the package. The ui group README recorded the support placement rationale ("exists chiefly for the examples and the coverage gate — `ui/` is reserved for surfaces shipped as product"), which left a standing tension: a shipped product app depending on a support package documented as NOT product surface.
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The boundary bought package metadata, workspace and tsconfig references, module-graph rows, README entries, and publint surface for a helper that is not independently swappable: the stdio app's front-door cluster always includes the readline UI, and nothing else can meaningfully consume it.
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## Decision
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The helper lives inside `@deepseek-ai/dsh-stdio-agent` as the in-package `stdio-chat` module (`packages/ui/stdio-agent/src/stdio-chat.ts`): `createStdioChat`, its `StdioRuntime` test seam, and its unit tests (`packages/ui/stdio-agent/tests/stdio-chat.spec.ts`, `readline.spec.ts`) moved with it, so EOF handling, rendering, disposal, and piped-vs-TTY behavior stay unit-covered under the per-file coverage gate without hijacking process globals. The module keeps the named `name`/`inject`/`Config`/`apply` export shape — the contract the app's `ctx.plugin(uiStdio, …)` mount consumes — and the keyless Loader-path smokes in `examples/echo-agent` and `examples/coding-agent` keep guarding the app's export shape end-to-end.
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The `packages/support/ui-stdio` package is gone: manifest, tsconfig references, module-graph rows, and README rows deleted; the doc comments that named the package (the example e2e module docs, `packages/README.md`, the support and todo READMEs, [the ui group README](../../../../packages/ui/README.md)) describe the in-package module.
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## Why not promote it to `ui/` instead?
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Promotion would have resolved the support-vs-product mismatch while keeping the boundary — the right call only if the readline UI were an independently swappable integration or had a second composer, and the consumer census said neither. The structured ACP bridge stays its own package because it is the product protocol surface with its own contract and snapshot tiers; the readline helper is scaffolding for one app's front door. Re-extraction stays cheap pre-release: if a second product app wants the readline UI, split it back out then, with that consumer shaping the package contract.
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## Consequences
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- The stdio app owns its whole front door; a leaf `cordis.yml` still loads one app package and nothing changed shape for the demos.
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- A future standalone terminal UI that wants the helper as a package reintroduces it with that second consumer, rather than the repo keeping a boundary for hypothetical reuse.
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@@ -1,27 +0,0 @@
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# RFC: Fold the stdio UI helper into the stdio app
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Status: proposed
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## Problem
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`@deepseek-ai/dsh-ui-stdio` is a whole package whose only runtime importer is the app package `@deepseek-ai/dsh-stdio-agent` (`packages/ui/stdio-agent/src/index.ts`). The examples reach the readline UI by loading the app, never by composing the helper themselves; every other repo reference is mechanical or descriptive surface that exists BECAUSE the package boundary exists — manifest and tsconfig entries, generated module-graph rows, dependency-graph and README rows, and doc comments naming the package. [The ui group README](../../../../packages/ui/README.md) records the placement rationale — the helper "exists chiefly for the examples and the coverage gate — `ui/` is reserved for surfaces shipped as product" — which leaves a standing tension: a shipped product app depends on a support package documented as NOT product surface.
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The boundary buys package metadata, workspace and tsconfig references, module-graph rows, README entries, and publint surface for a helper that is not independently swappable: the stdio app's front-door cluster always includes the readline UI, and nothing else can meaningfully consume it.
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## Proposal
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Fold the helper into `@deepseek-ai/dsh-stdio-agent`: move `createStdioChat`, its `StdioRuntime` test seam, and its unit tests into `packages/ui/stdio-agent`; delete the `packages/support/ui-stdio` package with its manifest, references, module-graph rows, and README rows; update every reference that names the package (the example e2e module docs, `packages/README.md`, the support and todo README rows, the stdio-agent README, the ui group README, tsconfig references, the generated module graph). Keep the runtime seam so EOF handling, rendering, disposal, and piped-vs-TTY behavior stay unit-covered without hijacking process globals; the keyless Loader-path smokes keep guarding the export shape end-to-end.
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## Why not promote it to `ui/` instead?
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Promotion would resolve the support-vs-product mismatch while keeping the boundary — the right call only if the readline UI were an independently swappable integration or had a second composer, and the consumer census says neither. The structured ACP bridge stays its own package because it is the product protocol surface with its own contract and snapshot tiers; the readline helper is scaffolding for one app's front door. Re-extraction stays cheap pre-release: if a second product app wants the readline UI, split it back out then, with that consumer shaping the package contract.
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## Acceptance criteria
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- `packages/support/ui-stdio` no longer exists; the helper and its tests live in `packages/ui/stdio-agent`; no reference to the deleted package remains outside RFC history.
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- The stdio app still renders transcript events, handles stdin lines and EOF, renders todo checklists, and disposes readline listeners under HMR; the echo/coding keyless smokes still boot through the real Loader path and guard the export shape.
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- Manifests, tsconfig references, the generated module graph, and docs are updated; `pnpm run test:coverage`, `pnpm run test:snapshot`, `pnpm run doc-sync`, `pnpm run build`, and `pnpm run hygiene` pass.
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## Risks
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A future standalone terminal UI may want the helper as a package again — reintroduce it with that second consumer rather than keeping the boundary for hypothetical reuse. Moving tests risks blurring app-composition tests with UI-rendering tests; keeping the runtime seam and the colocated unit tests avoids that.
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@@ -9,8 +9,8 @@ import { afterEach, describe, expect, it } from 'vitest'
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* Keyless Loader-path smoke for examples/coding-agent: boot the REAL example
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* through the `@deepseek-ai/dsh-stdio-agent` bin against its `cordis.yml` (the
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* cordis Loader, `unwrapExports`, the full plugin tree incl. the
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* `@deepseek-ai/dsh-agent-core` bundle and the extracted
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* `@deepseek-ai/dsh-ui-stdio`), then close stdin with no prompt and assert the
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* `@deepseek-ai/dsh-agent-core` bundle and the app's in-package readline UI
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* module), then close stdin with no prompt and assert the
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* ready banner + a clean exit.
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*
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* No prompt is ever sent, so the model is NEVER called — this is why it runs
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@@ -13,7 +13,7 @@ import { afterEach, describe, expect, it } from 'vitest'
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*
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* This is the guard the per-file unit suite structurally cannot be: it drives
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* the `@deepseek-ai/dsh-stdio-agent` app plugin, the `@deepseek-ai/dsh-agent-core`
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* bundle it loads, the extracted `@deepseek-ai/dsh-ui-stdio` plugin, AND the
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* bundle it loads, the app's in-package readline UI module, AND the
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* example-local `mock-llm.ts` / `echo-tool.ts` through their REAL load path, so
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* a broken plugin export shape (a stray `export default` that `unwrapExports`
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* would collapse, dropping `inject`/`Config`) fails here even though hand-mounted
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+1
-3
@@ -53,7 +53,6 @@ dsh-llm-pi-ai ← dsh-llm (pi-ai-backed adapter)
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dsh-agent-loop ← dsh-llm, dsh-session, dsh-session-persistence, dsh-system-prompt, dsh-tools, dsh-agent
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dsh-invariants ← dsh-llm, dsh-session, dsh-agent (dev-mode contract checks)
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dsh-acp ← dsh-agent, dsh-llm, dsh-session, dsh-session-persistence, dsh-tools (ACP JSON-RPC bridge)
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dsh-ui-stdio ← dsh-agent, dsh-llm, dsh-session (stdio readline UI plugin)
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dsh-llm-replay ← dsh-llm, dsh-session (record/replay adapter for keyless snapshot tests)
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dsh-subagent ← dsh-agent, dsh-llm, dsh-tools (abstract subagent provider-registry seam)
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dsh-subagent-inprocess ← dsh-subagent, dsh-agent, dsh-session, dsh-llm (shared in-process run driver)
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@@ -64,7 +63,7 @@ dsh-subagent-acp ← dsh-subagent, dsh-agent, dsh-llm, @agentclientprotocol/sdk
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dsh-tool-subagent ← dsh-subagent, dsh-tools, dsh-agent, dsh-llm (model-facing delegation tool)
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dsh-tool-todo ← dsh-tools, dsh-agent, dsh-session (model-facing todo_write tool; whole list on the session log)
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dsh-agent-core ← timer, dsh-llm, dsh-session, dsh-system-prompt, dsh-tools, dsh-agent, dsh-invariants, dsh-tool-bash, dsh-agent-loop (the providerless spine, as one bundle plugin)
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dsh-stdio-agent ← dsh-agent-core, dsh-ui-stdio, dsh-session-persistence-jsonl, dsh-agent, dsh-session (stdio chat APP + bin)
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dsh-stdio-agent ← dsh-agent-core, dsh-session-persistence-jsonl, dsh-agent, dsh-session (stdio chat APP + readline UI + bin)
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dsh-acp-agent ← dsh-agent-core, dsh-acp, dsh-session-persistence-jsonl (ACP server APP + bin)
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```
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@@ -105,7 +104,6 @@ The rule: **extension** plugins depend on interfaces, never on the concrete loop
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| `acp/` | `ui` | Agent Client Protocol bridge: serves the agent to an ACP editor over JSON-RPC stdio | (drives `ctx.agents`/`ctx.sessions`) |
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| `stdio-agent/` | `ui` | Terminal stdio chat APP: agent-core spine + console logger + readline UI + a pre-created `main` agent, with a `bin` | (composition + `bin`) |
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| `acp-agent/` | `ui` | ACP server APP: agent-core spine + JSONL persistence + the `acp` bridge (no stdout logger), with a `bin` | (composition + `bin`) |
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| `ui-stdio/` | `support` | Minimal stdio (readline) UI plugin: renders `agent/*` events, feeds stdin lines to the agent | (drives `ctx.agents`) |
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| `llm-replay/` | `support` | Record/replay adapter: short-circuits `llm/stream` with chunks from a recorded session JSONL (keyless snapshot tests) | (listens on `llm/stream`) |
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| `subagent/` | `subagent` | Abstract subagent seam: named-provider registry for delegating to child agents | `ctx.subagents` |
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| `subagent-inprocess/` | `subagent` | Shared in-process subagent run driver used by spawn/fork; pure library, registers nothing | (none) |
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@@ -5,8 +5,7 @@ Packages that exist to serve development, testing, and the examples rather than
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| Package | Role | ctx key |
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|---|---|---|
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| `invariants/` | Dev-mode event-contract invariants + session-log freeze | (listens on `session/*`, `agent/*`) |
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| `ui-stdio/` | Minimal stdio (readline) UI plugin: renders `agent/*` events, feeds stdin lines to the agent | (drives `ctx.agents`) |
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| `llm-replay/` | Record/replay adapter: short-circuits `llm/stream` from a recorded session JSONL (keyless snapshot tests) | (listens on `llm/stream`) |
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| `subagent-mock/` | Scripted `SubagentProvider` for deterministic seam/tool tests | (registers on `ctx.subagents`) |
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`invariants` runs only in dev mode (contract checks, not runtime behavior). `ui-stdio` and `llm-replay` were extracted from the examples for reuse and to bring them under the per-file coverage gate; they back the demos and the snapshot test tier. `subagent-mock` exercises the real `ctx.subagents` load path without a model or child agent. A package graduates OUT of `support/` into a product group only when it gains documented product consumers.
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`invariants` runs only in dev mode (contract checks, not runtime behavior). `llm-replay` backs the demos and the snapshot test tier under the per-file coverage gate. `subagent-mock` exercises the real `ctx.subagents` load path without a model or child agent. A package graduates OUT of `support/` into a product group only when it gains documented product consumers.
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@@ -1,44 +0,0 @@
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# @deepseek-ai/dsh-ui-stdio
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A minimal stdio (readline) UI, as a plugin. It reads lines from stdin and feeds them to an agent (`send` when idle, `steer` while a turn is running), and renders that agent's streamed output and tool activity to stdout. A UI is "just a plugin" here — it consumes the `session/event` transcript feed plus a few `agent/*` control events (`agent/status`, `agent/created`/`agent/disposed`) and the `agents` service (`inject: ['agents']`), so the same plugin drives any example or product surface.
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This is a **convenience REPL for local testing and the demos, not a product surface** — its observable behavior is free to change. It is deliberately NOT treated as a load-bearing consumer when weighing whether a live event/API must exist: the boundary mirror events were removed precisely because "ui-stdio renders from them" is not a product constraint (it was migrated to `session/event`). The real product surfaces are the ACP bridge (`dsh-acp`) and the app packages.
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This package consolidates what were two near-identical copies under `examples/echo-agent` and `examples/coding-agent`. The coding copy was a superset; this package IS that superset — dimmed chain-of-thought rendering plus robust piped-stdin EOF handling — with the per-consumer differences moved into `Config`.
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## Config
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| Key | Type | Default | Notes |
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|---|---|---|---|
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| `welcome` | string | `'ready.'` | Banner printed once on start, before the first `> ` prompt. |
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| `agent` | string | `'main'` | Id of the agent that stdin **drives** (`send`/`steer`) and whose `agent/status` gates the EOF exit. Rendering is **not** scoped by it — see below. |
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|
||||
```yaml
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||||
- id: ui-stdio
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name: '@deepseek-ai/dsh-ui-stdio'
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config:
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||||
welcome: 'agent REPL ready. Give it a coding task.'
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||||
```
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||||
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## Rendering
|
||||
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||||
Rendering is **global** — every agent's events are written to stdout, not just `config.agent`'s. `config.agent` scopes only *input* (which agent stdin drives) and the EOF-exit gate; the single-agent demos this serves have just one agent, so the distinction is moot for them. (A multi-agent UI that needs per-agent panes would filter these handlers by the agent argument — deliberately out of scope here.)
|
||||
|
||||
- `session/event` — the durable transcript feed drives ALL rendering, from a single listener so `inReasoning` transitions stay deterministic in append order: `assistant/chunk` writes the model's `text-delta` verbatim and wraps `reasoning-delta` in the dim SGR (`\x1B[2m … \x1B[0m`) so the chain-of-thought is visually subordinate to the answer (inert when no `reasoning-delta` chunks arrive, e.g. a mock model); `turn/start` prints a `[<agent> turn N]` header (the short agent label comes from a session-id→agent-id map seeded from `ctx.agents.list()` at install and kept live via `agent/created`/`agent/disposed`, since the turn event carries only the turn number); `turn/end` prints the trailing `> ` prompt; `tool/call` renders `[tool call] name(args)`; `tool/result` renders the joined text blocks as `[tool result] …`; and `todo/write` renders a glyphed checklist.
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||||
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||||
## The I/O seam
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||||
|
||||
The production entry point `apply(ctx, config)` binds the real `process` streams. The testable core is `createStdioChat(ctx, config, runtime)`, where `runtime: StdioRuntime` supplies `input` / `output` / `exit`. This seam is deliberately **not** part of the serializable `Config` (streams and functions do not belong in YAML config); it exists so the render, EOF, and disposal branches can be exercised with fakes instead of hijacking globals.
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||||
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||||
## Piped-stdin exit
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||||
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||||
On stdin EOF the plugin exits the process, but carefully:
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||||
|
||||
- **No work submitted** (empty stdin, blank-only lines): exit immediately — no turn will ever start, so there is nothing to wait for. Gating on an observed `running` here would hang forever.
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||||
- **Work submitted**: exit the next time the agent settles to `idle` *after* having been observed `running`. `agent.send()` does not synchronously flip status to `running`, so requiring an observed `running` first (`sawRunning`) avoids exiting in the gap before the turn starts and dropping work; and the loop batches several queued messages into one turn, so the exit keys off the idle transition rather than counting sends.
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||||
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||||
Disposal (HMR or fiber teardown) closes the readline interface, which also fires `close` — a `disposed` guard ensures teardown never calls `process.exit`.
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||||
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||||
## Plugin export shape
|
||||
|
||||
Named `name` / `inject` / `Config` / `apply`, with **no default export**: the cordis Loader's `unwrapExports` does `exports.default ?? exports`, so a stray default would collapse the module to the bare function and drop the `inject` namespace (see [docs/postmortem/0001](../../../docs/postmortem/0001-acp-default-export-drops-inject.md)). The keyless Loader-path e2e smokes in `examples/{echo,coding}-agent` guard this end-to-end.
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||||
@@ -1,39 +0,0 @@
|
||||
{
|
||||
"name": "@deepseek-ai/dsh-ui-stdio",
|
||||
"description": "Minimal stdio (readline) UI plugin: renders agent/* events to stdout and feeds stdin lines to the agent",
|
||||
"version": "0.0.1",
|
||||
"private": true,
|
||||
"type": "module",
|
||||
"main": "lib/index.js",
|
||||
"types": "lib/types/index.d.ts",
|
||||
"exports": {
|
||||
".": {
|
||||
"types": "./lib/types/index.d.ts",
|
||||
"default": "./lib/index.js"
|
||||
},
|
||||
"./src/*": "./src/*",
|
||||
"./package.json": "./package.json"
|
||||
},
|
||||
"files": [
|
||||
"lib/index.js",
|
||||
"lib/types/**/*.d.ts",
|
||||
"lib/types/**/*.d.ts.map",
|
||||
"src"
|
||||
],
|
||||
"license": "BSD-3-Clause",
|
||||
"peerDependencies": {
|
||||
"@deepseek-ai/dsh-agent": "^0.0.1",
|
||||
"@deepseek-ai/dsh-llm": "^0.0.1",
|
||||
"@deepseek-ai/dsh-session": "^0.0.1",
|
||||
"cordis": "^4.0.0-rc.6"
|
||||
},
|
||||
"dependencies": {
|
||||
"schemastery": "^3.18.0"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@deepseek-ai/dsh-agent": "workspace:^",
|
||||
"@deepseek-ai/dsh-llm": "workspace:^",
|
||||
"@deepseek-ai/dsh-session": "workspace:^",
|
||||
"cordis": "^4.0.0-rc.6"
|
||||
}
|
||||
}
|
||||
@@ -1,30 +0,0 @@
|
||||
{
|
||||
"extends": "../../../tsconfig.base.json",
|
||||
"compilerOptions": {
|
||||
"rootDir": "src",
|
||||
"outDir": "lib/types"
|
||||
},
|
||||
"include": [
|
||||
"src"
|
||||
],
|
||||
"references": [
|
||||
{
|
||||
"path": "../../../vendor/cosmokit"
|
||||
},
|
||||
{
|
||||
"path": "../../../vendor/cordis"
|
||||
},
|
||||
{
|
||||
"path": "../../../vendor/schemastery"
|
||||
},
|
||||
{
|
||||
"path": "../../core/agent"
|
||||
},
|
||||
{
|
||||
"path": "../../llm/llm"
|
||||
},
|
||||
{
|
||||
"path": "../../core/session"
|
||||
}
|
||||
]
|
||||
}
|
||||
@@ -6,4 +6,4 @@ The model-facing todo tool. A single **product** package — there is no interfa
|
||||
|---|---|---|
|
||||
| `tool-todo/` | Model-facing `todo_write` tool; writes the whole list to the session log (`todo/write`) | (registers on `ctx.tools`) |
|
||||
|
||||
The list lives on the event-sourced session log (`SessionEventMap['todo/write']`, owned by [`dsh-session`](../core/session)); this package is the thin consumer that appends the snapshot. UIs render off `session/event`: the [stdio UI](../support/ui-stdio) prints the list, the [ACP bridge](../ui/acp) maps it to a `plan` sessionUpdate.
|
||||
The list lives on the event-sourced session log (`SessionEventMap['todo/write']`, owned by [`dsh-session`](../core/session)); this package is the thin consumer that appends the snapshot. UIs render off `session/event`: the [stdio app's readline UI](../ui/stdio-agent) prints the list, the [ACP bridge](../ui/acp) maps it to a `plan` sessionUpdate.
|
||||
@@ -18,7 +18,7 @@ Beyond the schema's type/required/enum checks, `execute` rejects an empty or dup
|
||||
|
||||
## Rendering
|
||||
|
||||
The tool writes only the session event; it does not render. UIs subscribe to `session/event` and render the `todo/write` data themselves: the [stdio UI](../../support/ui-stdio) prints a glyphed checklist, and the [ACP bridge](../../ui/acp) maps the list to a `plan` sessionUpdate (synthesizing the `priority` ACP requires).
|
||||
The tool writes only the session event; it does not render. UIs subscribe to `session/event` and render the `todo/write` data themselves: the [stdio app's readline UI](../../ui/stdio-agent) prints a glyphed checklist, and the [ACP bridge](../../ui/acp) maps the list to a `plan` sessionUpdate (synthesizing the `priority` ACP requires).
|
||||
|
||||
## Export shape
|
||||
|
||||
|
||||
@@ -8,6 +8,6 @@ Integrations that expose the agent to an external editor or client. These are **
|
||||
| `stdio-agent/` | Terminal stdio chat APP: the agent-core spine + console logger + readline UI + a pre-created `main` agent, with a `bin` | (composition + `bin`) |
|
||||
| `acp-agent/` | ACP server APP: the agent-core spine + JSONL persistence + the `acp` bridge (no stdout logger), with a `bin` | (composition + `bin`) |
|
||||
|
||||
A UI integration is a client-driver plugin, not a loop change and not a capability seam: it consumes the existing `agent/*` event taxonomy and the `dsh-agent` factory. The readline `ui-stdio` plugin is the unstructured analogue but lives in `support/` because it exists chiefly for the examples and the coverage gate — `ui/` is reserved for surfaces shipped as product.
|
||||
A UI integration is a client-driver plugin, not a loop change and not a capability seam: it consumes the existing `agent/*` event taxonomy and the `dsh-agent` factory. The readline UI is the unstructured analogue of the `acp` bridge and lives INSIDE the stdio app (the `stdio-chat` module of [`stdio-agent/`](stdio-agent/README.md)): it is scaffolding for that one front door, not an independently swappable integration, so it carries no package boundary of its own.
|
||||
|
||||
`stdio-agent` and `acp-agent` are the two **app packages**: each composes the [`core/agent-core`](../core/agent-core/README.md) spine with its coupled front-door cluster (and owns the boot `bin`), so a leaf `cordis.yml` is the swappable backends plus one app entry plus any optional product tools. They live in `ui/` because each IS a user-facing front door; the stdout-purity coupling (logger vs. no logger) becomes a property of the artifact rather than a leaf convention.
|
||||
@@ -13,7 +13,7 @@ A terminal chat always wants the same cluster, so the package owns it rather tha
|
||||
| `@cordisjs/plugin-logger-console` | the console logger — stdout is just the terminal here, so logging to it is correct (the ACP app must NOT have this) |
|
||||
| `@deepseek-ai/dsh-agent-core` | the spine, pre-creating a `main` agent from this app's `model`/`systemPrompt` |
|
||||
| `@deepseek-ai/dsh-session-persistence-jsonl` | durable JSONL session log under `persistenceRoot` |
|
||||
| `@deepseek-ai/dsh-ui-stdio` | the readline UI, bound to the `main` agent |
|
||||
| `stdio-chat` (in-package module) | the readline UI, bound to the `main` agent |
|
||||
|
||||
`@cordisjs/plugin-hmr` (the dev/demo edit-reload loop) is deliberately a **leaf** entry, NOT baked in here: it is a Loader-only, subprocess-only dev plugin — its constructor throws without `node --expose-internals` + a live `loader`, and the in-process test tier cannot even import it (so a package whose `apply` statically pulled it in could never carry the per-file coverage gate). Unlike the console logger, a stray `hmr` is not a stdout-purity footgun, so leaving it at the leaf costs no safety. The `demo:echo` / `demo:repl` leaves load it and pass `--expose-internals`.
|
||||
|
||||
|
||||
@@ -37,7 +37,6 @@
|
||||
"@deepseek-ai/dsh-agent-core": "^0.0.1",
|
||||
"@deepseek-ai/dsh-session": "^0.0.1",
|
||||
"@deepseek-ai/dsh-session-persistence-jsonl": "^0.0.1",
|
||||
"@deepseek-ai/dsh-ui-stdio": "^0.0.1",
|
||||
"cordis": "^4.0.0-rc.6",
|
||||
"schemastery": "^3.17.0"
|
||||
},
|
||||
@@ -49,7 +48,6 @@
|
||||
"@deepseek-ai/dsh-agent-core": "workspace:^",
|
||||
"@deepseek-ai/dsh-session": "workspace:^",
|
||||
"@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^",
|
||||
"@deepseek-ai/dsh-ui-stdio": "workspace:^",
|
||||
"cordis": "^4.0.0-rc.6",
|
||||
"schemastery": "^3.17.0"
|
||||
}
|
||||
|
||||
@@ -1,12 +1,13 @@
|
||||
/**
|
||||
* The stdio chat app: the providerless agent spine ({@link
|
||||
* @deepseek-ai/dsh-agent-core}) plus the coupled front-door cluster a terminal
|
||||
* chat needs — a console logger, the readline `ui-stdio` UI, JSONL session
|
||||
* chat needs — a console logger, the readline UI (the in-package `stdio-chat`
|
||||
* module), JSONL session
|
||||
* persistence, and a pre-created `main` agent the UI drives.
|
||||
*
|
||||
* The cluster is BAKED IN, not left to the leaf: a stdio app always logs to the
|
||||
* console (stdout is just the terminal) and always pre-creates the `main` agent
|
||||
* `ui-stdio` sends to. The leaf supplies the swappable backends (the LLM
|
||||
* the readline UI sends to. The leaf supplies the swappable backends (the LLM
|
||||
* adapter, the bash executor), optional product tools, the optional `hmr`
|
||||
* dev-reload plugin, and this app's {@link Config} (model, prompt, persistence
|
||||
* root, welcome banner).
|
||||
@@ -42,7 +43,7 @@ import { AgentId } from '@deepseek-ai/dsh-agent'
|
||||
import { SessionId } from '@deepseek-ai/dsh-session'
|
||||
import * as agentCore from '@deepseek-ai/dsh-agent-core'
|
||||
import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl'
|
||||
import * as uiStdio from '@deepseek-ai/dsh-ui-stdio'
|
||||
import * as uiStdio from './stdio-chat.ts'
|
||||
|
||||
export const name = 'stdio-agent'
|
||||
|
||||
@@ -81,7 +82,7 @@ export const Config: z<Config> = z.object({
|
||||
* Compose the spine with the stdio front door. The console logger comes first
|
||||
* (infra), then the agent-core bundle pre-creating the `main` agent from this
|
||||
* app's `model`/`systemPrompt`/`resumeSessionId`, then the JSONL backend, then
|
||||
* the `ui-stdio` UI bound to `main`. The `hmr` dev-reload plugin is a leaf
|
||||
* the readline UI bound to `main`. The `hmr` dev-reload plugin is a leaf
|
||||
* concern (see the module doc), so it is not mounted here.
|
||||
*/
|
||||
export function apply(ctx: Context, config: Config): void {
|
||||
|
||||
+12
-17
@@ -1,23 +1,18 @@
|
||||
/**
|
||||
* Minimal stdio UI plugin: reads lines from stdin → `agent.send()`/`steer()`,
|
||||
* and renders the durable transcript to stdout. A UI is "just a plugin" — it
|
||||
* consumes the `session/event` feed (the assistant token stream, turn/step
|
||||
* boundaries, tool activity, todos) plus a few `agent/*` control events
|
||||
* (`agent/status`, `agent/created`/`agent/disposed`) and the `agents` service,
|
||||
* so the same plugin drives any example or product surface.
|
||||
* The stdio app's readline UI: reads lines from stdin → `agent.send()`/
|
||||
* `steer()`, and renders the durable transcript to stdout. A UI is "just a
|
||||
* plugin" — it consumes the `session/event` feed (the assistant token stream,
|
||||
* turn/step boundaries, tool activity, todos) plus a few `agent/*` control
|
||||
* events (`agent/status`, `agent/created`/`agent/disposed`) and the `agents`
|
||||
* service. Dimmed chain-of-thought rendering plus robust piped-stdin EOF→idle
|
||||
* exit handling, configured via {@link Config}.
|
||||
*
|
||||
* Consolidates what were two near-identical copies under `examples/echo-agent`
|
||||
* and `examples/coding-agent` (the latter a superset). This package IS that
|
||||
* superset: dimmed chain-of-thought rendering plus the robust piped-stdin
|
||||
* EOF→idle exit handling, configured per consumer via {@link Config}.
|
||||
* An internal module of the stdio app, not a package of its own: the app's
|
||||
* front-door cluster always includes this UI, and nothing else composes it.
|
||||
* The export shape stays named `name`/`inject`/`Config`/`apply` — the plugin
|
||||
* contract the app's `ctx.plugin(uiStdio, …)` mount consumes.
|
||||
*
|
||||
* Plugin export shape: named `name`/`inject`/`Config`/`apply`, NO default
|
||||
* export — the cordis Loader's `unwrapExports` does `exports.default ?? exports`,
|
||||
* so a stray default would collapse the module to the bare function and drop
|
||||
* the `inject` namespace (see docs/postmortem/0001). The keyless Loader-path
|
||||
* e2e smokes in `examples/{echo,coding}-agent` guard this end-to-end.
|
||||
*
|
||||
* @module @deepseek-ai/dsh-ui-stdio
|
||||
* @module @deepseek-ai/dsh-stdio-agent/stdio-chat
|
||||
*/
|
||||
|
||||
import { createInterface } from 'node:readline'
|
||||
@@ -35,7 +35,7 @@ const stdioBin = join(repoRoot, 'packages/ui/stdio-agent/lib/bin.js')
|
||||
const dshPackages = [
|
||||
'core/agent-core', 'core/agent', 'core/session', 'core/system-prompt',
|
||||
'core/tools', 'core/agent-loop', 'llm/llm', 'bash/bash', 'bash/bash-local',
|
||||
'bash/tool-bash', 'support/invariants', 'support/ui-stdio',
|
||||
'bash/tool-bash', 'support/invariants',
|
||||
'session-persistence/session-persistence',
|
||||
'session-persistence/session-persistence-jsonl', 'ui/stdio-agent',
|
||||
]
|
||||
|
||||
+2
-2
@@ -2,7 +2,7 @@ import { EventEmitter } from 'node:events'
|
||||
import type { Readable, Writable } from 'node:stream'
|
||||
import { describe, expect, it, vi } from 'vitest'
|
||||
import type { Context } from 'cordis'
|
||||
import type { StdioRuntime } from '../src/index.ts'
|
||||
import type { StdioRuntime } from '../src/stdio-chat.ts'
|
||||
|
||||
const createInterface = vi.hoisted(() => vi.fn(() => {
|
||||
const reader = new EventEmitter() as EventEmitter & { close(): void }
|
||||
@@ -32,7 +32,7 @@ function fakeRuntime(inputIsTTY: boolean, outputIsTTY: boolean): StdioRuntime {
|
||||
|
||||
describe('createStdioChat readline mode', () => {
|
||||
it('enables terminal editing only when both stdio streams are TTYs', async () => {
|
||||
const { createStdioChat } = await import('../src/index.ts')
|
||||
const { createStdioChat } = await import('../src/stdio-chat.ts')
|
||||
|
||||
const tty = fakeRuntime(true, true)
|
||||
createStdioChat(fakeContext(), {}, tty)
|
||||
+1
-1
@@ -5,7 +5,7 @@ import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent'
|
||||
import AgentRegistry from '@deepseek-ai/dsh-agent'
|
||||
import type { ContentBlock, StreamChunk } from '@deepseek-ai/dsh-llm'
|
||||
import type { Session, SessionEvent } from '@deepseek-ai/dsh-session'
|
||||
import { createStdioChat, type Config, type StdioRuntime } from '../src/index.ts'
|
||||
import { createStdioChat, type Config, type StdioRuntime } from '../src/stdio-chat.ts'
|
||||
|
||||
/**
|
||||
* Unit tests for the stdio UI plugin. They drive the REAL plugin body
|
||||
@@ -31,9 +31,6 @@
|
||||
},
|
||||
{
|
||||
"path": "../../session-persistence/session-persistence-jsonl"
|
||||
},
|
||||
{
|
||||
"path": "../../support/ui-stdio"
|
||||
}
|
||||
]
|
||||
}
|
||||
Generated
-22
@@ -774,25 +774,6 @@ importers:
|
||||
specifier: ^4.0.0-rc.6
|
||||
version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4)
|
||||
|
||||
packages/support/ui-stdio:
|
||||
dependencies:
|
||||
schemastery:
|
||||
specifier: ^3.18.0
|
||||
version: 3.18.0
|
||||
devDependencies:
|
||||
'@deepseek-ai/dsh-agent':
|
||||
specifier: workspace:^
|
||||
version: link:../../core/agent
|
||||
'@deepseek-ai/dsh-llm':
|
||||
specifier: workspace:^
|
||||
version: link:../../llm/llm
|
||||
'@deepseek-ai/dsh-session':
|
||||
specifier: workspace:^
|
||||
version: link:../../core/session
|
||||
cordis:
|
||||
specifier: ^4.0.0-rc.6
|
||||
version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4)
|
||||
|
||||
packages/todo/tool-todo:
|
||||
devDependencies:
|
||||
'@deepseek-ai/dsh-agent':
|
||||
@@ -922,9 +903,6 @@ importers:
|
||||
'@deepseek-ai/dsh-session-persistence-jsonl':
|
||||
specifier: workspace:^
|
||||
version: link:../../session-persistence/session-persistence-jsonl
|
||||
'@deepseek-ai/dsh-ui-stdio':
|
||||
specifier: workspace:^
|
||||
version: link:../../support/ui-stdio
|
||||
cordis:
|
||||
specifier: ^4.0.0-rc.6
|
||||
version: 4.0.0-rc.6(@cordisjs/plugin-include@vendor+include)(@cordisjs/plugin-loader@vendor+loader)
|
||||
|
||||
@@ -42,7 +42,6 @@
|
||||
{ "path": "./packages/ui/acp" },
|
||||
{ "path": "./packages/ui/acp-agent" },
|
||||
{ "path": "./packages/ui/stdio-agent" },
|
||||
{ "path": "./packages/support/ui-stdio" },
|
||||
{ "path": "./packages/support/llm-replay" },
|
||||
{ "path": "./packages/subagent/subagent" },
|
||||
{ "path": "./packages/support/subagent-mock" },
|
||||
|
||||
@@ -53,7 +53,6 @@
|
||||
{ "path": "./packages/ui/acp" },
|
||||
{ "path": "./packages/ui/acp-agent" },
|
||||
{ "path": "./packages/ui/stdio-agent" },
|
||||
{ "path": "./packages/support/ui-stdio" },
|
||||
{ "path": "./packages/support/llm-replay" },
|
||||
{ "path": "./packages/subagent/subagent" },
|
||||
{ "path": "./packages/support/subagent-mock" },
|
||||
|
||||
Reference in New Issue
Block a user