Merge remote-tracking branch 'origin/master' into worktree/web-multimodal-image-input
This commit is contained in:
creatixchu
@@ -17,8 +17,8 @@ sequenceDiagram
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participant Session
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participant Persistence
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participant SDK as UI or SDK listener
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User->>Agent: send(content)
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Agent-->>SDK: <code>agent/queued</code>
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User->>Agent: followup(content)
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Agent-->>SDK: <code>agent/inbox/enqueue</code>
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Agent->>Driver: queued work wakes driver
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Driver-->>SDK: <code>agent/status</code> running
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Driver->>Session: <code>turn/start</code>
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@@ -2,5 +2,5 @@
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# side as of the last confirmed-consistent state. Both languages carry equal authority;
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# after editing either side, bring the other along and re-record with:
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# pnpm run verify-translation-pairing --write
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architecture.md: 2f7a8c2859ef189d08f938aafdbe984455d22dd0
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architecture.zh.md: 1ae01d2aef5d9b814a05cb954999a902c14f2061
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architecture.md: ad45fcf29eb01a6b13b1e2f421f828a1b8abf56c
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architecture.zh.md: 4117e280eefde655fceaa94b5bdcd6772b46bfc7
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@@ -6,7 +6,7 @@ English | [中文](architecture.zh.md)
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## Overview
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Harnesses are [Cordis](cordis-primer.md) contexts whose packages contribute services, typed events, and disposable registrations.
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Harnesses are [Cordis](cordis-primer.md) contexts with package-contributed services, typed events, and disposable registrations.
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`packages/core/` groups the default agent flow; capabilities remain plugins.
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@@ -49,7 +49,7 @@ Harnesses are [Cordis](cordis-primer.md) contexts whose packages contribute serv
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## Event
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Events form the service extension API; see the exhaustive [events catalog](cordis-catalog/events.md) and [producer/consumer map](event-producer-consumer.md).
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Events form the service extension API; see the [catalog](cordis-catalog/events.md) and [producer/consumer map](event-producer-consumer.md).
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### Event Domains
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@@ -63,11 +63,11 @@ Waterfall events behave like around-middleware: a listener delegates by calling
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## Default Loop Lifecycle
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The shipped loop runs prompt-to-checkpoint work through plugin services and events.
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The loop runs through plugin services and events.
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A **session** is append-only. Each ordinary **turn** claims one queued `send()` item; injection claims none. A successor awaits 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)). Model and plugins stop a turn; a **step** is one model request plus tools. In the [sequence](agent-lifecycle.md), quotes mark durable events.
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A **session** is append-only. Each ordinary **turn** claims one queued message; injection claims none. Successors await the preceding checkpoint but may share its `running` interval ([decision](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)). A **step** is one model request plus tools; quotes in the [sequence below](agent-lifecycle.md) mark durable events.
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Creation without an id mints `<config-id>-session-<uuid>`; `sessionId` restores-or-creates, while `resumeSessionId` requires history. Resume restores lineage and delegation depth before publication. Startup failures emit `agent-loop/config-start-failed`; teardown is otherwise silent.
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Creation without an id mints `<config-id>-session-<uuid>`; `sessionId` resumes or creates, while `resumeSessionId` requires history. Resume restores lineage and delegation depth before publication. Setup failures emit `agent-loop/config-start-failed`; teardown is silent.
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### Turn Flow
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@@ -115,39 +115,39 @@ forever:
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checkpoint persistence and notify idle/running status
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```
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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)).
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Steps assemble ordered prompt sections, tool schemas, and variables; unknown references fail turns. `dsh-system-prompt` owns identity and persona; the loop supplies `model` and `cwd` ([ownership](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)).
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Tool-time context—including async `inject()` and post-tool `additionalContexts`—settles after results. Steering drains before `agent/post-step`, which sees durable output, results, context, and steering. Leftovers queue. Terminal `agent/turn-stop` remains authoritative through close/flush; later steering is discarded while queued prompts remain.
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Async `inject()` and post-tool `additionalContexts` settle after results; steering drains before `agent/post-step`. Leftovers queue. Terminal `agent/turn-stop` remains authoritative through close/flush and discards later steering, not queued prompts.
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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)).
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Pruning precedes summaries; overflow retries require durable progress. Bounded 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)).
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### Failure Boundaries
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Adapter failures close the step before `agent/request-error` with exact `Error`, `LlmFailure`, and history. Retry opens another step; success clears history; exhaustion stores failure on `turn/end`. Failed chunks commit no message/tool.
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Adapter failures close the step before `agent/request-error` with exact `Error`, `LlmFailure`, and history. Retries open steps; success clears history; exhaustion stores failure on `turn/end`. Failed chunks commit nothing.
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Other failures use `agent/error`. Cancellation and disposal beat recovery; undispatched tool calls get synthetic `tool/call`/`ABORTED_BEFORE_DISPATCH` pairs. The turn signal retires before `turn/end`. Effective `cancel()` emits its typed cause before clearing queues and aborting; observers cannot veto, idle calls emit nothing, and durability records `aborted`. Disposal awaits quiescence ([decision](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)).
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Other failures use `agent/error`. Cancellation and disposal beat recovery; undispatched tools get synthetic `tool/call`/`ABORTED_BEFORE_DISPATCH` pairs. The signal retires before `turn/end`. Effective `cancel()` emits its cause, clears queues, and aborts; observers cannot veto, idle calls emit nothing, and durability records `aborted`. Disposal awaits quiescence ([decision](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)).
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Session events are turn-enclosed. Reload closes an interrupted tail with a synthetic `interrupted` turn end. Post-close failures report only through `agent/error`; 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.
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Session events are turn-enclosed; reload closes an interrupted tail with a synthetic `interrupted` turn end. Post-close failures use `agent/error`. Each turn has one [TurnEndReason](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap).
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### Agent Handles
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`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.
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`ctx.agents` returns `AgentHandle { agent, dispose() }`. Plugins use intent helpers `followup()`, `queue()`, `steer()`, and `inject()`; callers with exact routing facts use mandatory-field `send()` ([decision](../.agents/notes/implemented/architecture/2026-07-24-intent-named-agent-delivery.md)). `cancel()` and `whenIdle()` control lifecycle. Caller, provider, and handle co-own teardown.
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### Agent Scope
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Each agent owns a scoped `agent.ctx`; shared storage overlays global tool, prompt, and command entries while preserving domain views ([decision](../.agents/notes/implemented/architecture/2026-07-12-scoped-layers-store.md)). Scoped listeners filter dispatch, and every scoped contribution unwinds with awaited cleanup. `CreateAgentOptions.setup(agentCtx)` composes before publication. Typed resolvers derive carrier checks from merged `Events` 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` runs inside `ctx.agents.withInitiator()`; private orchestration derives `agent.session`, while turn, step, signal, cwd, and authority remain explicit ([decision](../.agents/notes/implemented/architecture/2026-07-15-agent-initiator-scope.md)).
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Each agent owns a scoped `agent.ctx` over global tool, prompt, and command storage ([decision](../.agents/notes/implemented/architecture/2026-07-12-scoped-layers-store.md)); scoped listeners filter and contributions unwind with awaited cleanup. `CreateAgentOptions.setup(agentCtx)` composes before publication; typed resolvers derive carrier checks from `Events` and `scopeTarget` ([gates](../.agents/notes/implemented/process/2026-07-14-typescript-program-backed-semantic-gates.md)). `AgentLoop` runs inside `ctx.agents.withInitiator()`; private orchestration derives `agent.session`, while turn, step, signal, cwd, and authority stay explicit ([decision](../.agents/notes/implemented/architecture/2026-07-15-agent-initiator-scope.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).
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## State
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### Session Log
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The session log is authoritative. `deriveMessages()` projects model history; raw `assistant/chunk` events remain for replay and UI fidelity. Fork, resume, transcript rendering, telemetry, and persistence derive from the same stream.
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The session log is authoritative. `deriveMessages()` projects model history; raw `assistant/chunk` events preserve replay and UI fidelity. Fork, resume, transcripts, telemetry, and persistence share that stream.
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**Model-visible ⟺ durably recorded**: the log reconstructs request envelopes from `step/start`, the header's session prefix, and folded `request/header` events; logged attachment references resolve through integrity-checked immutable objects. `dsh-agent-loop/invariant` asserts envelope reconstruction through `ctx.invariants`; attachment backends assert byte integrity ([reconstructability](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)).
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**Model-visible ⟺ durably recorded**: `step/start` messages plus the header's session prefix and folded `request/header` reconstruct every request, and logged attachment references resolve through integrity-checked immutable objects; `dsh-agent-loop/invariant` asserts reconstruction through `ctx.invariants`, attachment backends byte integrity ([decision](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)).
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Durability is a plugin concern. Backends buffer synchronous `session/event` notifications. The semantic checkpoint policy drains requests before adapter dispatch, recorded top-level calls before tool dispatch, and complete response/result batches at `agent/post-step`; the loop retains the final turn-end checkpoint. `SessionPersistence` stores `SessionEvent` directly and metadata in `SessionHeader`; JSONL defaults to checksummed Zstandard, with SQLite under one contract ([decision](../.agents/notes/implemented/bug-fix/2026-07-21-semantic-session-checkpoints.md)).
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Durability is a plugin concern; backends buffer synchronous `session/event` notifications. Checkpoints drain before adapter dispatch, recorded top-level tool calls before tool dispatch, complete response/result batches at `agent/post-step`, and final turn ends. `SessionPersistence` stores `SessionEvent` plus `SessionHeader` metadata; JSONL defaults to checksummed Zstandard, with SQLite under one contract ([decision](../.agents/notes/implemented/bug-fix/2026-07-21-semantic-session-checkpoints.md)).
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`ctx.sessions.appendOutOfBand()` joins log-only events to an open turn or creates a flushed zero-step turn. `session/title` folds latest-wins with source seqs/provenance; fallback and its optional provider never delay responses. Forks inherit titles ([decision](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)).
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`ctx.sessions.appendOutOfBand()` joins plugin-owned log-only events to an open turn or creates a balanced, flushed zero-step turn. `session/title` folds latest-wins with source seqs and provenance; its immediate fallback and sole optional async provider never delay the agent response. Forks inherit titles ([decision](../.agents/notes/implemented/feature/2026-07-21-log-backed-session-titles.md)).
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### Model Content
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@@ -49,7 +49,7 @@
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## 事件
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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)。
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事件构成服务的扩展 API；参见[事件目录](cordis-catalog/events.md)和[生产方与消费方映射](event-producer-consumer.md)。
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### 事件域
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@@ -63,11 +63,11 @@ waterfall（瀑布式事件）的行为类似环绕中间件：监听器调用 `
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## 默认循环生命周期
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已交付的循环通过插件服务和事件，处理从提示词到检查点的工作。
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循环通过插件服务和事件运行。
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**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；一个**步骤**包含一次模型请求及其工具。在[时序](agent-lifecycle.md)中，引号标记持久事件。
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**会话**采用仅追加方式。每个普通**轮次**领取一条已排队的消息；注入不领取消息。后续轮次会等待前一个检查点，但可以与前一轮次共用同一个 `running` 区间（[决策](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)）。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。
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未提供 id 时会生成 `<config-id>-session-<uuid>`；`sessionId` 用于恢复或创建，而 `resumeSessionId` 要求已有历史。恢复流程会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`；其余拆卸过程保持静默。
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未提供 id 时，创建流程会生成 `<config-id>-session-<uuid>`；`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。
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### 轮次流程
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@@ -115,39 +115,39 @@ forever:
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checkpoint persistence and notify idle/running status
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```
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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)）。
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各步骤会组装有序提示词片段、工具 schema 和变量；未知引用会使轮次失败。`dsh-system-prompt` 负责身份和角色设定；循环提供 `model` 和 `cwd`（[归属](../.agents/notes/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md)）。
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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。
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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。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，会丢弃后续 steering，而不丢弃排队提示词。
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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)）。
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裁剪先于摘要；溢出重试必须取得持久进展。有界重试在 `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)）。
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### 失败边界
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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。
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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`。失败分片不会提交任何内容。
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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)）。
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其他故障使用 `agent/error`。取消和资源释放均优先于恢复；尚未分派的工具会得到合成的 `tool/call`/`ABORTED_BEFORE_DISPATCH` 对。信号会在 `turn/end` 前失效。实际生效的 `cancel()` 会发出原因、清空队列并中止；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)）。
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会话事件均位于轮次边界内。重新加载会用合成的 `interrupted` 轮次结束事件闭合中断的日志尾部。关闭后的故障只通过 `agent/error` 报告；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。
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会话事件均位于轮次边界内；重新加载会用合成的 `interrupted` 轮次结束事件闭合中断的日志尾部。关闭后的故障使用 `agent/error`。每个轮次有一个 [TurnEndReason](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap)。
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### Agent 句柄
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`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。
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`ctx.agents` 返回 `AgentHandle { agent, dispose() }`。插件使用按意图命名的辅助方法 `followup()`、`queue()`、`steer()` 和 `inject()`；持有确切路由信息的调用方使用各字段均为必填项的 `send()`（[决策](../.agents/notes/implemented/architecture/2026-07-24-intent-named-agent-delivery.md)）。`cancel()` 和 `whenIdle()` 控制生命周期。调用方、提供方和句柄共同拥有拆卸过程。
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### Agent 作用域
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|
||||
每个 agent 都拥有一个作用域化的 `agent.ctx`；共享存储会在全局工具、提示词和命令条目之上叠加作用域条目，同时保留各领域视图（[决策](../.agents/notes/implemented/architecture/2026-07-12-scoped-layers-store.md)）。作用域监听器会过滤分派，每项作用域贡献都会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)）。
|
||||
每个 agent 都拥有一个作用于全局工具、提示词和命令存储的作用域化 `agent.ctx`（[决策](../.agents/notes/implemented/architecture/2026-07-12-scoped-layers-store.md)）；作用域监听器会过滤分派，各项贡献会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 `Events` 和 `scopeTarget` 推导载体检查（[门禁](../.agents/notes/implemented/process/2026-07-14-typescript-program-backed-semantic-gates.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)）。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)。
|
||||
|
||||
## 状态
|
||||
|
||||
### 会话日志
|
||||
|
||||
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。
|
||||
会话日志是权威依据。`deriveMessages()` 投影出模型历史；原始 `assistant/chunk` 事件保留回放和 UI 保真。fork、恢复、transcript（文本记录）、遥测和持久化共用该事件流。
|
||||
|
||||
**模型可见 ⟺ 已持久记录**：日志根据 `step/start`、请求头的会话前缀和折叠后的 `request/header` 事件重建请求封装；日志中记录的附件引用通过经过完整性校验的不可变对象解析。`dsh-agent-loop/invariant` 通过 `ctx.invariants` 断言请求封装重建；附件后端断言字节完整性（[可重建性](../.agents/notes/implemented/architecture/2026-07-05-reconstructable-requests.md)）。
|
||||
**模型可见 ⟺ 已持久记录**：`step/start` 消息、请求头中的会话前缀和折叠后的 `request/header` 共同重建每个请求，日志中记录的附件引用通过经过完整性校验的不可变对象解析；`dsh-agent-loop/invariant` 通过 `ctx.invariants` 断言请求重建，附件后端断言字节完整性（[决策](../.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。语义检查点策略会在适配器分发前刷写请求，在工具分发前刷写已记录的顶层调用，并在 `agent/post-step` 刷写完整的响应与结果批次；循环仍保留最终的轮次结束检查点。`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（[决策](../.agents/notes/implemented/bug-fix/2026-07-21-semantic-session-checkpoints.md)）。
|
||||
持久性由插件负责；后端会缓冲同步的 `session/event` 通知。检查点会在适配器分发前排空，在工具分发前刷写已记录的顶层工具调用，在 `agent/post-step` 刷写完整的响应与结果批次，并刷写最终的轮次结束。`SessionPersistence` 存储 `SessionEvent` 和 `SessionHeader` 元数据；JSONL 默认采用带校验和的 Zstandard，SQLite 则遵循同一契约（[决策](../.agents/notes/implemented/bug-fix/2026-07-21-semantic-session-checkpoints.md)）。
|
||||
|
||||
`ctx.sessions.appendOutOfBand()` 会把纯日志事件加入开放轮次，或创建一个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／来源信息；回退标题及其可选提供方都不会延迟响应。fork 会继承标题（[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
|
||||
|
||||
|
||||
@@ -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
|
||||
extension-cookbook.md: 056be4298ed2bec2b78ed777d58f1f8a60a34b78
|
||||
extension-cookbook.zh.md: 41cdd4a7d14f32494d1dd5ae4a63c098d5640bdc
|
||||
extension-cookbook.md: c13b46e06a3b34512cd371e6a4868a6e932a575f
|
||||
extension-cookbook.zh.md: aeb5f905278c07344c68d80da05dc5daf299b4f6
|
||||
|
||||
@@ -36,7 +36,7 @@ This waterfall is the reorderable policy layer. Use `ctx.tools.guard()` when an
|
||||
|
||||
## A UI plugin
|
||||
|
||||
A UI plugin renders from the `session/event` feed (the assistant token stream as `assistant/chunk`, plus turn/step boundaries and tool activity), and drives input back in via `agent.send()` / `agent.steer()`.
|
||||
A UI plugin renders from the `session/event` feed (the assistant token stream as `assistant/chunk`, plus turn/step boundaries and tool activity), and drives input back in via `agent.followup()` / `agent.steer()`.
|
||||
|
||||
```ts
|
||||
import type { Context } from 'cordis'
|
||||
@@ -54,13 +54,13 @@ export function apply(ctx: Context) {
|
||||
render(event.data.chunk.text)
|
||||
}
|
||||
})
|
||||
onUserInput(text => ctx.agents.get(SessionId('client-session'))?.send([{ type: 'text', text }]))
|
||||
onUserInput(text => ctx.agents.get(SessionId('client-session'))?.followup([{ type: 'text', text }]))
|
||||
}
|
||||
```
|
||||
|
||||
## A client-driver plugin (external protocol bridge)
|
||||
|
||||
A *client driver* is a UI plugin for a wire-protocol peer. It owns stdio, so stdout logging must be disabled, creates or resumes agents through the factory, maps harness events to protocol messages, and maps requests to `send()` or `cancel()`. Settle each request exactly once from durable `turn/end`, even if rendering fails, and tear agents down with `AgentHandle.dispose()` so disposal reaches quiescence.
|
||||
A *client driver* is a UI plugin for a wire-protocol peer. It owns stdio, so stdout logging must be disabled, creates or resumes agents through the factory, maps harness events to protocol messages, and maps requests to `followup()` or `cancel()`. Settle each request exactly once from durable `turn/end`, even if rendering fails, and tear agents down with `AgentHandle.dispose()` so disposal reaches quiescence.
|
||||
|
||||
`packages/ui/acp` is the worked example: it bridges the agent to the Agent Client Protocol (JSON-RPC over stdio) so Zed and other ACP editors can drive it. See its README for the full method surface and the permission-prompt answerer it registers on the approval seam.
|
||||
|
||||
@@ -99,9 +99,9 @@ Every product feature maps to a listener on a documented extension seam — the
|
||||
|---|---|
|
||||
| Hook system (user + project level) | listeners on `agent/session-start`, `agent/prompt-submit`, `agent/request`, `agent/step-result`, `tools/pre-execute`, `tools/post-execute`, `agent/turn-continuation` — each interception waterfall returns a typed Decision; the `dsh-hooks-claude` / `dsh-hooks-codex` bridges map hook config files onto these seams |
|
||||
| `/goal` | `ctx.goals` owns durable state, `dsh-goal-session` schedules same-session rounds through the public `Agent`, and separate command/tool producers expose human/model control |
|
||||
| `/loop` | on the `turn/end` session event, `send()` the next iteration; or force-continue |
|
||||
| `/loop` | on the `turn/end` session event, `followup()` the next iteration; or force-continue |
|
||||
| Dynamic workflow | `ctx.workflows` + the worker-thread engine + the `workflow` tool; structured in-process children enforce output with scoped prompt/tool registrations, a monotonic tool guard, final `tools/result` commit (including enclosing `run_code`), and terminal `agent/turn-stop` |
|
||||
| Queued + steering messages | core `Agent.send()` / `Agent.steer()` |
|
||||
| Queued + steering messages | core `Agent.followup()` / `Agent.steer()` |
|
||||
| Context compaction (auto + manual) | the `ctx.compact` seam + `dsh-compact-basic`; automatic pressure runs on serial `agent/post-step`, canonical overflow recovery runs on `agent/request-error`, and manual callers use the same compact service ([compaction Agent Note](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md) — the model-facing `/compact` consumer tool is deferred) |
|
||||
| System prompt configurability | `ctx.systemPrompt.section()` with ordering and scope-local shadowing |
|
||||
| AGENTS.md (root) | a section provider reading the file |
|
||||
@@ -118,8 +118,8 @@ Every product feature maps to a listener on a documented extension seam — the
|
||||
| MCP | one plugin per server: discover tools → `ctx.tools.register()` |
|
||||
| Skills | section + tool registration; `inject()` skill content on invocation |
|
||||
| Memory | section provider + tool |
|
||||
| Scheduled tasks (cron) | a plugin registers model-callable scheduling tools; timer fires → `send(…, {source: {kind: 'cron', …}})` when idle / `inject()` notification when busy |
|
||||
| UI (GUI; CLI emits JSONL) | listen `session/event` (assistant chunks, boundaries, tool activity); input → `send()` |
|
||||
| Scheduled tasks (cron) | a plugin registers model-callable scheduling tools; timer fires → `followup(…, {source: {kind: 'cron', …}})` when idle / `inject()` notification when busy |
|
||||
| UI (GUI; CLI emits JSONL) | listen `session/event` (assistant chunks, boundaries, tool activity); input → `followup()` |
|
||||
| Telemetry / replayable trace | `session/event` → JSONL; replay = `sessions.create(id, { seed })` |
|
||||
| Model adapters | `LlmAdapter` subclass via `registerAdapter` (`dsh-llm-deepseek`, `dsh-llm-pi-ai`) |
|
||||
| Plugin hot-reload | every registration is a `ctx.effect` → vendored HMR just works |
|
||||
|
||||
@@ -36,7 +36,7 @@ export function apply(ctx: Context) {
|
||||
|
||||
## UI 插件
|
||||
|
||||
UI 插件从 `session/event` 事件流渲染（助手 token 流以 `assistant/chunk` 形式到达，加上轮次/步骤边界与工具活动），并通过 `agent.send()` / `agent.steer()` 将输入驱动回去。
|
||||
UI 插件从 `session/event` 事件流渲染（助手 token 流以 `assistant/chunk` 形式到达，加上轮次/步骤边界与工具活动），并通过 `agent.followup()` / `agent.steer()` 将输入驱动回去。
|
||||
|
||||
```ts
|
||||
import type { Context } from 'cordis'
|
||||
@@ -54,13 +54,13 @@ export function apply(ctx: Context) {
|
||||
render(event.data.chunk.text)
|
||||
}
|
||||
})
|
||||
onUserInput(text => ctx.agents.get(SessionId('client-session'))?.send([{ type: 'text', text }]))
|
||||
onUserInput(text => ctx.agents.get(SessionId('client-session'))?.followup([{ type: 'text', text }]))
|
||||
}
|
||||
```
|
||||
|
||||
## 客户端驱动插件（外部协议桥接）
|
||||
|
||||
*客户端驱动*是面向协议格式（wire format）对端的 UI 插件。它拥有 stdio，因此必须禁用 stdout 日志；通过工厂创建或恢复 agent（智能体）；将 harness 事件映射为协议消息；将请求映射为 `send()` 或 `cancel()`。每个请求从持久的 `turn/end` 恰好结算一次（即使渲染失败），并通过 `AgentHandle.dispose()` 拆除 agent 以使 dispose（资源释放）达到静止状态。
|
||||
*客户端驱动*是面向协议格式（wire format）对端的 UI 插件。它拥有 stdio，因此必须禁用 stdout 日志；通过工厂创建或恢复 agent（智能体）；将 harness 事件映射为协议消息；将请求映射为 `followup()` 或 `cancel()`。每个请求从持久的 `turn/end` 恰好结算一次（即使渲染失败），并通过 `AgentHandle.dispose()` 拆除 agent 以使 dispose（资源释放）达到静止状态。
|
||||
|
||||
`packages/ui/acp` 是完整的工作示例：它将 agent 桥接到 ACP（Agent Client Protocol）（基于 stdio 的 JSON-RPC），使 Zed 及其他 ACP 编辑器能够驱动它。其 README 描述了完整的方法接口以及它在审批 seam 上注册的权限提示应答器。
|
||||
|
||||
@@ -99,9 +99,9 @@ export function apply(ctx: Context) {
|
||||
|---|---|
|
||||
| 钩子系统（用户级 + 项目级） | `agent/session-start`、`agent/prompt-submit`、`agent/request`、`agent/step-result`、`tools/pre-execute`、`tools/post-execute`、`agent/turn-continuation` 上的监听器——每个拦截 waterfall 返回一个类型化 Decision；`dsh-hooks-claude` / `dsh-hooks-codex` 桥接器将钩子配置文件映射到这些 seam 上 |
|
||||
| `/goal` | `ctx.goals` 管理持久状态，`dsh-goal-session` 通过公共 `Agent` 调度同会话回合，独立的命令/工具生产方分别提供人类/模型控制 |
|
||||
| `/loop` | 在 `turn/end` 会话事件上 `send()` 下一次迭代；或强制继续 |
|
||||
| `/loop` | 在 `turn/end` 会话事件上 `followup()` 下一次迭代；或强制继续 |
|
||||
| 动态工作流 | `ctx.workflows` + worker-thread 引擎 + `workflow` 工具；结构化的进程内子任务通过作用域化的 prompt/工具注册、单调工具守卫、最终 `tools/result` 提交（包括外层 `run_code`）和终端 `agent/turn-stop` 来强制输出 |
|
||||
| 排队消息 + steering（中途引导） | 核心 `Agent.send()` / `Agent.steer()` |
|
||||
| 排队消息 + steering（中途引导） | 核心 `Agent.followup()` / `Agent.steer()` |
|
||||
| 上下文压缩（context compaction）（自动 + 手动） | `ctx.compact` seam + `dsh-compact-basic`；自动压力检查运行在串行 `agent/post-step`，规范化溢出恢复运行在 `agent/request-error`，手动调用方使用同一个压缩服务（[压缩 Agent Note](../../.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md)——面向模型的 `/compact` 消费方工具已推迟） |
|
||||
| 系统提示词可配置性 | `ctx.systemPrompt.section()`，支持排序与作用域局部覆盖 |
|
||||
| AGENTS.md（根目录） | 一个读取该文件的 section provider |
|
||||
@@ -118,8 +118,8 @@ export function apply(ctx: Context) {
|
||||
| MCP | 每个服务器一个插件：发现工具 → `ctx.tools.register()` |
|
||||
| Skill（技能） | section + 工具注册；调用时通过 `inject()` 注入 skill 内容 |
|
||||
| 记忆 | section provider + 工具 |
|
||||
| 定时任务（cron） | 插件注册面向模型的调度工具；定时器触发 → 空闲时 `send(…, {source: {kind: 'cron', …}})`／忙碌时 `inject()` 通知 |
|
||||
| UI（GUI；CLI 输出 JSONL） | 监听 `session/event`（助手分片、边界、工具活动）；输入 → `send()` |
|
||||
| 定时任务（cron） | 插件注册面向模型的调度工具；定时器触发 → 空闲时 `followup(…, {source: {kind: 'cron', …}})`／忙碌时 `inject()` 通知 |
|
||||
| UI（GUI；CLI 输出 JSONL） | 监听 `session/event`（助手分片、边界、工具活动）；输入 → `followup()` |
|
||||
| 遥测 / 可回放 trace | `session/event` → JSONL；回放 = `sessions.create(id, { seed })` |
|
||||
| 模型适配器 | 通过 `registerAdapter` 注册 `LlmAdapter` 子类（`dsh-llm-deepseek`、`dsh-llm-pi-ai`） |
|
||||
| 插件热重载 | 每个注册都是一个 `ctx.effect` → vendor 的 HMR（热模块替换）直接生效 |
|
||||
|
||||
@@ -32,7 +32,7 @@ Effective broad cancellation was requested, before queued/steering work is clear
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [AgentCancelCause](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:217`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:350`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/created` — emit
|
||||
|
||||
@@ -54,7 +54,7 @@ A fully configured agent and live session were published. Setup is composition-o
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:179`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:285`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/disposed` — emit
|
||||
|
||||
@@ -74,7 +74,7 @@ An agent left the registry; AgentLoop emits this after driver quiescence but bef
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:188`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:294`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/error` — emit
|
||||
|
||||
@@ -96,7 +96,77 @@ A step or turn errored. The loop reports a failure here (plus the logger) even w
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:365`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:498`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/inbox/dequeue` — emit
|
||||
|
||||
The driver claimed one item out of the inbox: a queued item at a turn boundary, or steering drained between steps. Fires after the item leaves its FIFO and before it becomes a durable message.
|
||||
|
||||
```ts cordis-catalog
|
||||
/**
|
||||
* The driver claimed one item out of the inbox: a queued item at a turn
|
||||
* boundary, or steering drained between steps. Fires after the item leaves
|
||||
* its FIFO and before it becomes a durable message.
|
||||
* @param agent - the agent whose inbox item was claimed.
|
||||
* @param message - the claimed message (matching the `id` from its `agent/inbox/enqueue`).
|
||||
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
|
||||
* @mode emit
|
||||
*/
|
||||
'agent/inbox/dequeue'(this: Scoped<Agent>, agent: Agent, message: AgentMessage): void
|
||||
```
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [AgentMessage](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:326`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/inbox/discard` — emit
|
||||
|
||||
Pending inbox items were dropped without delivering them, so every enqueued id receives exactly one terminal `agent/inbox/dequeue` OR `agent/inbox/discard`. Emitters: `cancel()` without `keepInbox` (after `agent/cancel-requested`, before the abort); a terminal `agent/turn-stop` dropping pending steering (in-turn and on the post-turn late-steering drain); and disposal of any still-pending items (before `agent/status('disposed')`). Fires once per drop with every dropped item.
|
||||
|
||||
```ts cordis-catalog
|
||||
/**
|
||||
* Pending inbox items were dropped without delivering them, so every
|
||||
* enqueued id receives exactly one terminal `agent/inbox/dequeue` OR
|
||||
* `agent/inbox/discard`. Emitters: `cancel()` without `keepInbox` (after
|
||||
* `agent/cancel-requested`, before the abort); a terminal `agent/turn-stop`
|
||||
* dropping pending steering (in-turn and on the post-turn late-steering
|
||||
* drain); and disposal of any still-pending items (before
|
||||
* `agent/status('disposed')`). Fires once per drop with every dropped item.
|
||||
* @param agent - the agent whose inbox items were dropped.
|
||||
* @param messages - the discarded messages in FIFO order (queued then steering); never empty.
|
||||
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
|
||||
* @mode emit
|
||||
*/
|
||||
'agent/inbox/discard'(this: Scoped<Agent>, agent: Agent, messages: AgentMessage[]): void
|
||||
```
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [AgentMessage](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:340`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/inbox/enqueue` — emit
|
||||
|
||||
A detached, frozen item entered the agent's inbox (queued or steering FIFO). Source defaults are already applied, so `message` holds the exact accepted values. This is the enqueue-time live signal; the durable record is the eventual `user/message`/`steering/message`. Injection through `agent.inject()` or equivalent `send()` routing bypasses the FIFOs and does not emit this.
|
||||
|
||||
```ts cordis-catalog
|
||||
/**
|
||||
* A detached, frozen item entered the agent's inbox (queued or steering
|
||||
* FIFO). Source defaults are already applied, so `message` holds the exact
|
||||
* accepted values. This is the enqueue-time live signal; the durable record
|
||||
* is the eventual `user/message`/`steering/message`. Injection through
|
||||
* `agent.inject()` or equivalent `send()` routing bypasses the FIFOs
|
||||
* and does not emit this.
|
||||
* @param agent - the agent whose inbox received the item.
|
||||
* @param message - the accepted message (its returned `id`, content, source, contexts, steering, and wakeup facts).
|
||||
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
|
||||
* @mode emit
|
||||
*/
|
||||
'agent/inbox/enqueue'(this: Scoped<Agent>, agent: Agent, message: AgentMessage): void
|
||||
```
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [AgentMessage](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:316`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/post-step` — serial
|
||||
|
||||
@@ -119,7 +189,7 @@ Awaited serial checkpoint after the response, real or synthetic tool results, in
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:315`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:448`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/pre-step` — serial
|
||||
|
||||
@@ -142,7 +212,7 @@ Awaited serial checkpoint before `step/start`; appends land outside the pending
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:246`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:379`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/prompt-submit` — waterfall
|
||||
|
||||
@@ -169,28 +239,7 @@ Allow, rewrite, or block one claimed prompt before it becomes a user message. Ca
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) · [PromptDecision](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:262`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/queued` — emit
|
||||
|
||||
Detached, frozen content entered the agent's inbox. Source defaults have already been applied, so these are the exact values retained for the log.
|
||||
|
||||
```ts cordis-catalog
|
||||
/**
|
||||
* Detached, frozen content entered the agent's inbox. Source defaults have
|
||||
* already been applied, so these are the exact values retained for the log.
|
||||
* @param agent - the agent whose inbox received the message.
|
||||
* @param content - the accepted content blocks retained by the inbox.
|
||||
* @param info - the accepted source, contexts, and whether it entered as steering.
|
||||
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
|
||||
* @mode emit
|
||||
*/
|
||||
'agent/queued'(this: Scoped<Agent>, agent: Agent, content: ContentBlock[], info: { source: MessageSource; contexts: HookContext[]; steering: boolean }): void
|
||||
```
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [HookContext](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:207`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:395`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/request` — waterfall
|
||||
|
||||
@@ -215,7 +264,7 @@ Replace the frozen call configuration. Model-visible content must use logged cha
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [LlmCallConfig](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:276`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:409`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/request-error` — waterfall
|
||||
|
||||
@@ -241,7 +290,7 @@ Recover a model-request failure after its failed step has closed. `retry` opens
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [LlmFailure](../core-data-structures/llm-streaming.md) · [RequestError](../core-data-structures/core.md) · [RequestErrorDecision](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:330`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:463`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/session-prefix` — waterfall
|
||||
|
||||
@@ -267,7 +316,7 @@ 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) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:291`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:424`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/session-start` — emit
|
||||
|
||||
@@ -289,16 +338,16 @@ The session lifecycle began, once before the first turn. Use `agent.inject()` to
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [SessionStartSource](../core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:230`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:363`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/status` — emit
|
||||
|
||||
Agent status changed (`idle` ⇄ `running`, or → `disposed`). `send()` does not enter `running` synchronously; drive lifecycle from this event.
|
||||
Agent status changed (`idle` ⇄ `running`, or → `disposed`). A waking delivery does not enter `running` synchronously; drive lifecycle from this event.
|
||||
|
||||
```ts cordis-catalog
|
||||
/**
|
||||
* Agent status changed (`idle` ⇄ `running`, or → `disposed`). `send()` does
|
||||
* not enter `running` synchronously; drive lifecycle from this event.
|
||||
* Agent status changed (`idle` ⇄ `running`, or → `disposed`). A waking
|
||||
* delivery does not enter `running` synchronously; drive lifecycle from this event.
|
||||
* @param agent - the agent whose status flipped.
|
||||
* @param status - the status just entered (the transition's destination).
|
||||
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
|
||||
@@ -309,7 +358,7 @@ Agent status changed (`idle` ⇄ `running`, or → `disposed`). `send()` does no
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [AgentStatus](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:197`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:303`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/step-result` — waterfall
|
||||
|
||||
@@ -332,7 +381,7 @@ Waterfall: post-process the assembled assistant Message before tool dispatch (va
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:303`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:436`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/turn-continuation` — waterfall
|
||||
|
||||
@@ -354,7 +403,7 @@ Override whether the turn continues. The default continues after tool calls or s
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [ContinuationDecision](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:341`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:474`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/turn-stop` — serial
|
||||
|
||||
@@ -376,7 +425,7 @@ Monotonic terminal-stop checkpoint after continuation and steering are folded; a
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [ContinuationStop](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:352`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:485`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
## `agent-loop/*`
|
||||
|
||||
|
||||
@@ -1278,7 +1278,7 @@ 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:605`](../../packages/core/session/src/index.ts)
|
||||
Source: [`packages/core/session/src/index.ts:606`](../../packages/core/session/src/index.ts)
|
||||
|
||||
## `ctx.sessionTitle` — `SessionTitleService`
|
||||
|
||||
|
||||
@@ -329,7 +329,7 @@ Source: [`packages/core/session/src/types.ts`](../../packages/core/session/src/t
|
||||
*
|
||||
* The {@link sourceEventSeqs} and {@link surfaceOp} fields are conditional:
|
||||
* they only exist on {@link SurfaceEventType} variants (`user/message`,
|
||||
* `assistant/message`, `tool/result`, `context/message`, `steering/message`).
|
||||
* `assistant/message`, `tool/result`, `steering/message`).
|
||||
* Non-surface events (boundary markers, chunks, usage, errors) never carry
|
||||
* surface metadata — the compiler enforces this at `Session.append()`
|
||||
* call sites.
|
||||
@@ -357,7 +357,7 @@ type SessionEvent<T extends SessionEventType = SessionEventType> = {
|
||||
}[T]
|
||||
```
|
||||
|
||||
The fourteen event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, `user/message`, `prompt/blocked`, `context/message`, `assistant/chunk`, `assistant/message`, `tool/call`, `tool/result`, `steering/message`, `todo/write`, `request/header`), the `deriveMessages()` projection rules, the `TurnTrigger`/`TurnEndReason` reasons, and the turn-enclosure invariant are on **[session.md](session.md)**. How the log is made durable — the `SessionPersistence` seam, JSONL/SQLite backends, the `session/flush` checkpoint, crash recovery, and `SessionHeader` — is on **[persistence.md](persistence.md)**.
|
||||
The thirteen event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, `user/message`, `prompt/blocked`, `assistant/chunk`, `assistant/message`, `tool/call`, `tool/result`, `steering/message`, `todo/write`, `request/header`), the `deriveMessages()` projection rules, the `TurnTrigger`/`TurnEndReason` reasons, and the turn-enclosure invariant are on **[session.md](session.md)**. How the log is made durable — the `SessionPersistence` seam, JSONL/SQLite backends, the `session/flush` checkpoint, crash recovery, and `SessionHeader` — is on **[persistence.md](persistence.md)**.
|
||||
|
||||
## The agent handle
|
||||
|
||||
@@ -367,8 +367,9 @@ Source: [`packages/core/agent/src/types.ts`](../../packages/core/agent/src/types
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* Message options. An omitted source attests direct human input as `{ kind: 'user' }`
|
||||
* and may authorize policy consumers, so non-human producers must label their content.
|
||||
* Options for {@link Agent.followup}, {@link Agent.queue}, and {@link Agent.steer}.
|
||||
* An omitted source attests direct human input as `{ kind: 'user' }` and may
|
||||
* authorize policy consumers, so non-human producers must label their content.
|
||||
*/
|
||||
interface SendOptions {
|
||||
source?: MessageSource
|
||||
@@ -378,19 +379,90 @@ interface SendOptions {
|
||||
* records them directly at its next checkpoint.
|
||||
*/
|
||||
contexts?: HookContext[]
|
||||
/** Opaque JSON state retained on the durable message but hidden from the model. */
|
||||
meta?: JsonValue
|
||||
}
|
||||
```
|
||||
|
||||
`InjectOptions` accepts ordinary message attribution and durable model-hidden JSON metadata. Attached contexts belong only to queued or steering input, so synthetic injection cannot accept them:
|
||||
|
||||
```ts type-equiv
|
||||
/** Options specific to durable synthetic context injection. */
|
||||
interface InjectOptions extends Omit<SendOptions, 'contexts'> {
|
||||
/** Opaque JSON state retained in the session event but hidden from the model. */
|
||||
interface InjectOptions {
|
||||
/** Defaults to `{ kind: 'plugin', plugin: '' }`; non-human producers should identify themselves. */
|
||||
source?: MessageSource
|
||||
/** Opaque JSON state retained on the durable message but hidden from the model. */
|
||||
meta?: JsonValue
|
||||
}
|
||||
```
|
||||
|
||||
The advanced acceptance form makes every default explicit and rules out attached contexts on injection:
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* Fully specified input for {@link Agent.send}. Unlike the intent-named
|
||||
* helpers, this form applies no defaults: callers provide content, source,
|
||||
* contexts, metadata (including explicit `undefined`), target, and wakeup.
|
||||
* The union excludes attached contexts from non-waking next-step injection.
|
||||
*/
|
||||
type ResolvedAgentInput = {
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
meta: JsonValue | undefined
|
||||
} & (
|
||||
| { target: 'next-turn'; wakeup: boolean; contexts: HookContext[] }
|
||||
| { target: 'next-step'; wakeup: true; contexts: HookContext[] }
|
||||
| { target: 'next-step'; wakeup: false; contexts: [] }
|
||||
)
|
||||
```
|
||||
|
||||
FIFO delivery methods return an opaque `AgentMessageId`, stable across that message's `agent/inbox/*` events. Injection returns an id but bypasses those events:
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* Opaque id assigned to one accepted agent input. FIFO inputs carry the same id
|
||||
* on their `agent/inbox/*` events; injection bypasses those events.
|
||||
*/
|
||||
type AgentMessageId = Branded<'AgentMessageId'>
|
||||
```
|
||||
|
||||
The `agent/inbox/*` live events carry one accepted message; injection bypasses the FIFOs and never appears on them:
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* One accepted FIFO message, carried by the `agent/inbox/*` live events. `id`
|
||||
* is the value returned by the accepting helper or {@link Agent.send},
|
||||
* stable across this message's enqueue, dequeue, and discard events. Source
|
||||
* defaults, when applicable, are already applied, so these are the exact values
|
||||
* the item was accepted with.
|
||||
* `steering` is true for an item drained between steps; otherwise it is claimed
|
||||
* at a turn boundary. `SendOptions.meta` is intentionally omitted: it is durable
|
||||
* model-hidden state that lands on the eventual `user/message`/
|
||||
* `steering/message`, not live-event routing data.
|
||||
*/
|
||||
interface AgentMessage {
|
||||
/** The id returned by the accepting helper or {@link Agent.send}. */
|
||||
id: AgentMessageId
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
contexts: HookContext[]
|
||||
/** Whether the item joined the steering FIFO rather than the queued FIFO. */
|
||||
steering: boolean
|
||||
/** Whether the item wakes the driver or requests another step. */
|
||||
wakeup: boolean
|
||||
}
|
||||
```
|
||||
|
||||
```ts type-equiv
|
||||
/** Options for {@link Agent.cancel}. */
|
||||
interface CancelOptions {
|
||||
/**
|
||||
* Preserve queued and steering inbox items instead of discarding them. The
|
||||
* active turn is still aborted, but un-started and pending work survives for a
|
||||
* later turn and no `agent/inbox/discard` fires.
|
||||
*/
|
||||
keepInbox?: boolean
|
||||
}
|
||||
```
|
||||
|
||||
```ts type-equiv
|
||||
/** Stable runtime cause accepted by {@link Agent.cancel}. */
|
||||
type AgentCancelCause =
|
||||
@@ -398,59 +470,97 @@ type AgentCancelCause =
|
||||
| { readonly kind: 'parent' }
|
||||
```
|
||||
|
||||
The structural `Agent` interface exposes four intent helpers plus the fully resolved acceptance method. The concrete driver implements the matrix once, and each helper supplies its fixed routing and defaults.
|
||||
|
||||
```ts type-equiv
|
||||
/** Public agent handle; its concrete implementation is internal to `@deepseek-ai/dsh-agent-loop`. */
|
||||
interface Agent {
|
||||
/** The single identity shared with {@link session}. */
|
||||
readonly id: SessionId
|
||||
/** The provider route and model this agent's requests use. */
|
||||
readonly options: AgentOptions
|
||||
/** The live session this agent drives; its log is the durable source of truth. */
|
||||
readonly session: Session
|
||||
/** The current lifecycle state, mirrored on every `agent/status` transition. */
|
||||
readonly status: AgentStatus
|
||||
/** Agent-scoped context; its contributions are agent-local, unwind on disposal, and reject registration afterward. */
|
||||
readonly ctx: Context
|
||||
|
||||
/**
|
||||
* Queue one detached, frozen lossless-JSON item. If claimed, it is the sole
|
||||
* ordinary message in its FIFO-ordered turn; the next claimed item waits for
|
||||
* that turn's checkpoint.
|
||||
* Attached contexts share the same snapshot and ownership boundary. Invalid
|
||||
* input throws synchronously before notification or enqueue.
|
||||
* Queue an ordinary message as its own FIFO-ordered turn and wake the driver.
|
||||
* Content, resolved source, and attached contexts are detached, validated,
|
||||
* and frozen together; invalid input throws synchronously before notification
|
||||
* or enqueue.
|
||||
* @param content - the prompt content blocks.
|
||||
* @param options - source, attached contexts, and durable model-hidden meta.
|
||||
* @returns the accepted message's {@link AgentMessageId}, stable across its `agent/inbox/*` events.
|
||||
*/
|
||||
send(content: ContentBlock[], options?: SendOptions): void
|
||||
followup(content: ContentBlock[], options?: SendOptions): AgentMessageId
|
||||
|
||||
/**
|
||||
* Submit steering while the agent is `running`. An open turn records it at
|
||||
* the next steering checkpoint before a request or continuation decision;
|
||||
* policy may stop before another step. After turn close and its checkpoint,
|
||||
* any remainder is queued for a later turn; terminal `agent/turn-stop`,
|
||||
* cancellation, or disposal may discard it. Uses the same synchronous
|
||||
* snapshot-and-validation boundary as {@link send}; when idle, delegates to it.
|
||||
* Queue an ordinary message without waking an idle driver. The item retains
|
||||
* FIFO order and is claimed only after another input wakes the driver. A lone
|
||||
* queued item leaves `whenIdle()` resolved.
|
||||
* @param content - the prompt content blocks.
|
||||
* @param options - source, attached contexts, and durable model-hidden meta.
|
||||
* @returns the accepted message's {@link AgentMessageId}, stable across its `agent/inbox/*` events.
|
||||
*/
|
||||
steer(content: ContentBlock[], options?: SendOptions): void
|
||||
queue(content: ContentBlock[], options?: SendOptions): AgentMessageId
|
||||
|
||||
/**
|
||||
* Submit steering into the running turn and request another step. An open turn
|
||||
* records it at the next steering checkpoint before a request or continuation
|
||||
* decision; policy may stop before another step. After turn close and its
|
||||
* checkpoint, any remainder is queued for a later turn; terminal
|
||||
* `agent/turn-stop`, cancellation, or disposal may discard it. Idle steering
|
||||
* becomes a waking ordinary turn.
|
||||
* @param content - the steering content blocks.
|
||||
* @param options - source, attached contexts, and durable model-hidden meta.
|
||||
* @returns the accepted message's {@link AgentMessageId}, stable across its `agent/inbox/*` events.
|
||||
*/
|
||||
steer(content: ContentBlock[], options?: SendOptions): AgentMessageId
|
||||
|
||||
/**
|
||||
* Append detached model-facing context without running the model. An open-turn
|
||||
* injection joins at the current log position unless the current tool batch is
|
||||
* executing; then it waits FIFO until that batch settles and drains before turn
|
||||
* close even when interrupted. Idle injection uses a one-shot turn and durability
|
||||
* checkpoint. Disposal awaits idle checkpoints; flush failures report through `agent/error`.
|
||||
* executing; then it waits FIFO until that batch settles and drains before
|
||||
* turn close even when interrupted. Idle injection uses a one-shot turn and
|
||||
* durability checkpoint. Disposal awaits idle checkpoints; flush failures
|
||||
* report through `agent/error`. An omitted source defaults to
|
||||
* `{ kind: 'plugin', plugin: '' }`.
|
||||
* @param content - the injected context content blocks.
|
||||
* @param options - source and durable model-hidden meta.
|
||||
* @returns the accepted injection's {@link AgentMessageId}; injection emits no `agent/inbox/*` events.
|
||||
*/
|
||||
inject(content: ContentBlock[], options?: InjectOptions): void
|
||||
inject(content: ContentBlock[], options?: InjectOptions): AgentMessageId
|
||||
|
||||
/**
|
||||
* Clear all queued and steering work, including items waiting to start, and
|
||||
* abort the active turn. An effective call first emits
|
||||
* `agent/cancel-requested` with the resolved typed cause. The first cause wins
|
||||
* for the active turn, and `whenIdle()` resolves after cancellation reaches
|
||||
* quiescence. Omission means `{ kind: 'user' }`. Idle cancellation is a no-op
|
||||
* and does not arm later work. The active turn snapshots and freezes the cause.
|
||||
* @param cause - the stable caller intent carried by the current turn signal.
|
||||
* Accept one fully specified input through the same snapshot and routing path
|
||||
* as the four intent-named helpers. `next-turn` targets the ordinary FIFO;
|
||||
* `next-step`/wakeup targets steering (falling back to an ordinary waking turn
|
||||
* while idle); and `next-step` without wakeup injects durable context without
|
||||
* running the model. Every field is mandatory and no source or routing default
|
||||
* is applied. Invalid input throws synchronously before notification, enqueue,
|
||||
* or append.
|
||||
* @param input - the resolved content, attribution, context, metadata, and routing facts.
|
||||
* @returns the accepted input's {@link AgentMessageId}, carried by FIFO lifecycle events when applicable.
|
||||
*/
|
||||
cancel(cause?: AgentCancelCause): void
|
||||
send(input: ResolvedAgentInput): AgentMessageId
|
||||
|
||||
/**
|
||||
* Clear queued and steering work — unless `keepInbox` — and abort the active
|
||||
* turn. An effective call first emits `agent/cancel-requested` with the
|
||||
* resolved typed cause. The first cause wins for the active turn, and
|
||||
* `whenIdle()` resolves after cancellation reaches quiescence. Omitted cause
|
||||
* means `{ kind: 'user' }`. Idle cancellation is a no-op and does not arm
|
||||
* later work. The active turn snapshots and freezes the cause.
|
||||
* @param cause - the stable caller intent carried by the current turn signal.
|
||||
* @param options - cancellation options; `keepInbox` preserves pending work.
|
||||
*/
|
||||
cancel(cause?: AgentCancelCause, options?: CancelOptions): void
|
||||
|
||||
/** Resolve at idle quiescence; disposal waits for driver exit rather than only the status transition. */
|
||||
whenIdle(): Promise<void>
|
||||
|
||||
}
|
||||
```
|
||||
|
||||
@@ -466,7 +576,7 @@ The process-local initiator carried by `ctx.agents` is the exact `Agent` above,
|
||||
|
||||
## Interception decisions
|
||||
|
||||
Each `agent/*` interception waterfall returns a small, seam-specific typed union — the unified Decision idiom (the tool seams' `PreToolDecision`/`PostToolDecision` in [tools.md](tools.md) follow the same shape). A CC/Codex hook bridge maps its `permissionDecision`/`decision`/`continue`/`additionalContext` fields onto these; a native plugin returns them directly. Prompt and post-tool decisions share one model-facing context shape, `HookContext`, which carries a REQUIRED `source` (a missing source would default to `{kind:'user'}` and mislabel plugin context as a user prompt). Its `content` reaches the model verbatim as user-role input, while JSON `meta` persists plugin state without exposing it to the model. Absent or `separate` placement becomes `context/message`; `prompt-prefix` placement is available to prompt and steering inbox attachments and bakes the context before the effective request in the same message. Both decisions carry `additionalContexts[]` so every entry preserves its own provenance, metadata, and placement. Continuation reasons are steering messages instead and deliberately use the narrower content/source shape.
|
||||
Each `agent/*` interception waterfall returns a small, seam-specific typed union — the unified Decision idiom (the tool seams' `PreToolDecision`/`PostToolDecision` in [tools.md](tools.md) follow the same shape). A CC/Codex hook bridge maps its `permissionDecision`/`decision`/`continue`/`additionalContext` fields onto these; a native plugin returns them directly. Prompt and post-tool decisions share one model-facing context shape, `HookContext`, which carries a REQUIRED `source` (a missing source would default to `{kind:'user'}` and mislabel plugin context as a user prompt). Its `content` reaches the model verbatim as user-role input, while JSON `meta` persists plugin state without exposing it to the model. Absent or `separate` placement becomes an injected `user/message` (plugin/goal source); `prompt-prefix` placement is available to prompt and steering inbox attachments and bakes the context before the effective request in the same message. Both decisions carry `additionalContexts[]` so every entry preserves its own provenance, metadata, and placement. Continuation reasons are steering messages instead and deliberately use the narrower content/source shape.
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
@@ -476,8 +586,8 @@ interface HookContext {
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
/**
|
||||
* Model placement. Absent or `separate` records an independent
|
||||
* `context/message`; `prompt-prefix` prepends this context and a stable
|
||||
* Model placement. Absent or `separate` records an independent injected
|
||||
* `user/message`; `prompt-prefix` prepends this context and a stable
|
||||
* request delimiter to the same user-role message as its attached prompt.
|
||||
*/
|
||||
placement?: 'separate' | 'prompt-prefix'
|
||||
|
||||
@@ -69,7 +69,7 @@ interface GoalView extends GoalSnapshot {
|
||||
|
||||
## Durable changes
|
||||
|
||||
Every mutation is a `context/message` whose metadata is either a complete snapshot or a clear tombstone. The version, metadata, goal source, and verbatim rendered content form one replay invariant.
|
||||
Every mutation is a round-zero goal-sourced `user/message` whose metadata is either a complete snapshot or a clear tombstone. The version, metadata, goal source, and verbatim rendered content form one replay invariant.
|
||||
|
||||
```ts type-equiv
|
||||
/** Full-snapshot goal mutation retained in a model-visible context event. */
|
||||
|
||||
@@ -53,7 +53,7 @@ interface SessionHeader {
|
||||
readonly version: number
|
||||
/** The session's id (mirrors the {@link Session}'s id). */
|
||||
readonly id: SessionId
|
||||
/** Unix epoch milliseconds when the session was created. */
|
||||
/** Non-negative safe-integer Unix epoch milliseconds when the session was created. */
|
||||
readonly createdAt: number
|
||||
/** Absolute working directory the session was created in (if any). */
|
||||
readonly cwd?: string
|
||||
|
||||
@@ -36,7 +36,7 @@ interface SessionReferenceCandidate {
|
||||
|
||||
## Prepared messages
|
||||
|
||||
Preparation preserves readable current-message content and returns at most one aggregated context. The host binds `contexts` to that exact `send()` or `steer()` call.
|
||||
Preparation preserves readable current-message content and returns at most one aggregated context. The host binds `contexts` to that exact `followup()` or `steer()` call.
|
||||
|
||||
```ts type-equiv
|
||||
/** Message payload and the zero-or-one durable snapshot contexts bound to it. */
|
||||
|
||||
@@ -9,7 +9,13 @@ Source: [`packages/core/session/src/types.ts`](../../packages/core/session/src/t
|
||||
The append-only event types. Merge-extensible: a plugin declares extra event types via declaration merging — e.g. the [compaction seam](compaction.md) adds `compact/start` / `compact/summary` / `compact/end`, and `@deepseek-ai/dsh-hook-protocol` adds log-only `hook/invoked` / `hook/result` provenance for a hook bridge. Like `compact/*`, these are NOT `SurfaceEventType`s (no `surfaceOp`). The generated [persistence log event catalog](../persistence-catalog.md) enumerates every member — core and merged — with its payload, surface badge, and declaration site.
|
||||
|
||||
```ts type-equiv
|
||||
/** Shared payload for ordinary and steering prompt messages. */
|
||||
/**
|
||||
* Shared payload for user, injected-context, and steering prompt messages. A
|
||||
* direct human prompt, a synthetic `agent.inject()` context, and mid-turn
|
||||
* steering all project into the model transcript as verbatim user-role content;
|
||||
* they are told apart by `source` (a non-`user` kind marks injected context),
|
||||
* not by event type. `meta` carries durable model-hidden producer state.
|
||||
*/
|
||||
interface PromptMessageData {
|
||||
/** Exact model-facing blocks, including any baked prompt-prefix contexts. */
|
||||
content: ContentBlock[]
|
||||
@@ -17,6 +23,15 @@ interface PromptMessageData {
|
||||
source: MessageSource
|
||||
/** Present only when prompt-prefix contexts were baked into `content`. */
|
||||
envelope?: PromptMessageEnvelope
|
||||
/**
|
||||
* Opaque durable JSON state retained on the event but hidden from the model
|
||||
* projection. It is the intended channel for a future framing directive (a
|
||||
* producer declares the frame, a dedicated renderer applies it — see the
|
||||
* deferred note in
|
||||
* ../../../../.agents/notes/implemented/simplification/2026-07-20-unwrap-injected-content-envelopes.md),
|
||||
* so the surface keeps projecting `content` verbatim rather than wrapping it.
|
||||
*/
|
||||
meta?: JsonValue
|
||||
}
|
||||
```
|
||||
|
||||
@@ -46,29 +61,21 @@ interface SessionEventMap {
|
||||
'step/start': { turn: number; step: number }
|
||||
/** Closes step `step` of turn `turn`. */
|
||||
'step/end': { turn: number; step: number }
|
||||
/** A user-visible prompt (the queued message claimed for this turn). */
|
||||
/**
|
||||
* A user-role message on the model-visible surface: a direct human prompt
|
||||
* (the queued message claimed for this turn), a synthetic `agent.inject()`
|
||||
* context (file-change notices, subdir AGENTS.md, skill content, cron
|
||||
* notifications, …), or an admitted goal continuation round. All three
|
||||
* project their `content` verbatim; `source` (with a non-`user` kind marking
|
||||
* injected context) is the only channel that tells them apart. An idle
|
||||
* injection wraps this event in a one-shot turn so the log stays turn-enclosed.
|
||||
*/
|
||||
'user/message': PromptMessageData
|
||||
/**
|
||||
* Durable record of a prompt veto and its reason. It is log-only: the blocked
|
||||
* prompt never enters the model-visible surface, and its turn runs zero steps.
|
||||
*/
|
||||
'prompt/blocked': { content: ContentBlock[]; source: MessageSource; reason: string }
|
||||
/**
|
||||
* In-session context injection (file-change notices, subdir AGENTS.md,
|
||||
* skill content, cron notifications, …). Rendered into the derived history
|
||||
* as a synthetic user-role message carrying `content` verbatim — NOT a
|
||||
* user prompt. `meta` is durable JSON state omitted from the model
|
||||
* projection; it is also the intended channel for any future framing
|
||||
* directive (a producer declares the frame, a dedicated renderer applies it —
|
||||
* see the deferred note in
|
||||
* ../../../../.agents/notes/implemented/simplification/2026-07-20-unwrap-injected-content-envelopes.md),
|
||||
* so the surface keeps projecting `content` verbatim rather than wrapping it.
|
||||
*/
|
||||
'context/message': {
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
meta?: JsonValue
|
||||
}
|
||||
/** Raw stream chunk — token-level replay fidelity. */
|
||||
'assistant/chunk': { turn: number; step: number; chunk: StreamChunk }
|
||||
/**
|
||||
@@ -199,7 +206,7 @@ A proper discriminated union over `type` (not independent `type`/`data` unions),
|
||||
*
|
||||
* The {@link sourceEventSeqs} and {@link surfaceOp} fields are conditional:
|
||||
* they only exist on {@link SurfaceEventType} variants (`user/message`,
|
||||
* `assistant/message`, `tool/result`, `context/message`, `steering/message`).
|
||||
* `assistant/message`, `tool/result`, `steering/message`).
|
||||
* Non-surface events (boundary markers, chunks, usage, errors) never carry
|
||||
* surface metadata — the compiler enforces this at `Session.append()`
|
||||
* call sites.
|
||||
@@ -233,7 +240,7 @@ For `assistant/message`, a present `sourceEventSeqs: []` is a complete known-emp
|
||||
|
||||
## Surface types
|
||||
|
||||
The five message-producing types (`SurfaceEventType` — `user/message`, `assistant/message`, `tool/result`, `context/message`, `steering/message`) carry surface metadata declaring how they join the ordered derived surface. See the [session surface Agent Note](../../.agents/notes/implemented/architecture/2026-06-18-session-surface.md).
|
||||
The four message-producing types (`SurfaceEventType` — `user/message`, `assistant/message`, `tool/result`, `steering/message`) carry surface metadata declaring how they join the ordered derived surface. See the [session surface Agent Note](../../.agents/notes/implemented/architecture/2026-06-18-session-surface.md).
|
||||
|
||||
### `SurfaceEventType` — the message-producing subset of event types
|
||||
|
||||
@@ -247,7 +254,6 @@ type SurfaceEventType =
|
||||
| 'user/message'
|
||||
| 'assistant/message'
|
||||
| 'tool/result'
|
||||
| 'context/message'
|
||||
| 'steering/message'
|
||||
```
|
||||
|
||||
@@ -258,7 +264,7 @@ type SurfaceEventType =
|
||||
* How a session event entered the ordered surface. Only valid on
|
||||
* {@link SurfaceEventType} events.
|
||||
*
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/context
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/steering
|
||||
* messages.
|
||||
* - `{ op: 'replace', start, end }`: replaces surface nodes from `start`
|
||||
* (inclusive) through `end` (inclusive) with this node. Both must exist as
|
||||
@@ -465,7 +471,7 @@ declare class Session {
|
||||
- `user/message` → a user message carrying exact `content`; an optional envelope remains log-only display metadata.
|
||||
- `assistant/message` → an assistant message with the event's provider/model provenance and optional adapter-private replay state. Raw `assistant/chunk` events are replay/UI data and are **skipped** in derivation (the assembled message is authoritative). An **empty-content** `assistant/message` is also skipped — a max-tokens step cut off with no content still records an `assistant/message` to host its usage/provenance, but a content-less assistant turn must not enter the provider transcript.
|
||||
- `tool/result` → a user message carrying a `tool-result` block.
|
||||
- `context/message` → a user-role message carrying its `content` verbatim at its chronological position. Optional JSON `meta` remains in the event log and is never rendered.
|
||||
- `user/message` (injected context, i.e. non-`user` source) → a user-role message carrying its `content` verbatim at its chronological position. Optional JSON `meta` remains in the event log and is never rendered.
|
||||
- `steering/message` → a user-role message carrying exact `content` at its chronological position; an optional envelope remains log-only display metadata.
|
||||
|
||||
Everything else (`turn/*`, `step/*`, plugin-owned `llm/retry`) is structural and does not project into a message. 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, so their usage chunk is the durable accounting record. An operational error's step number is on `turn/end.reason` for `kind: 'error'`, with normalized `LlmFailure` facts for a final model-request failure and message/code for other live errors. Because this unreleased format intentionally has no compatibility promise, seed/load validation rejects request headers without provider+model and assistant messages without provider/model provenance instead of guessing a route for historical data.
|
||||
@@ -489,11 +495,12 @@ interface TurnTriggerMap {
|
||||
message: { kind: 'message'; source: MessageSource }
|
||||
/**
|
||||
* An out-of-band context injection (`agent.inject()`) made while the agent
|
||||
* was idle. The loop wraps the injected `context/message` in a one-shot turn
|
||||
* (`turn/start` → `context/message` → `turn/end`) so every event in the log
|
||||
* stays turn-enclosed — the durability/replay boundary is the turn, and a
|
||||
* bare event between turns would otherwise be indistinguishable from a crash
|
||||
* tail on reload.
|
||||
* was idle. The loop wraps the injected `user/message` (a non-`user` source,
|
||||
* plugin by default) in a one-shot turn (`turn/start` → `user/message` →
|
||||
* `turn/end`) so every event in the log stays turn-enclosed — the
|
||||
* durability/replay boundary is the turn, and a bare event between turns would
|
||||
* otherwise be indistinguishable from a crash tail on reload. The trigger's
|
||||
* `source` mirrors that message's producer.
|
||||
*/
|
||||
injection: { kind: 'injection'; source: MessageSource }
|
||||
}
|
||||
@@ -542,13 +549,13 @@ 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`, 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 optional `dsh-session/invariant` companion enforces it in dev through `ctx.invariants` (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 `user/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 optional `dsh-session/invariant` companion enforces it in dev through `ctx.invariants` (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
|
||||
|
||||
A plugin may declaration-merge extra `SessionEventMap` types. These are **log-only**: NOT `SurfaceEventType`s (they carry no `surfaceOp` and contribute nothing to derived history), but, like every event, they must sit inside an open turn. The full per-event enumeration — core and plugin-contributed alike, with payloads and provenance — is the generated [persistence log event catalog](../persistence-catalog.md); the compaction seam's `compact/*` semantics are discussed on [compaction.md](compaction.md).
|
||||
|
||||
The hook bridges' `hook/invoked` / `hook/result` provenance pairs (from `@deepseek-ai/dsh-hook-protocol`) correlate by `handlerId`. The mid-turn hook points (`PreToolUse`/`PostToolUse`/`UserPromptSubmit`/`Stop`) fire inside the loop's open turn, so their `hook/*` records are turn-enclosed by construction. `SessionStart` gets no `hook/*` record — its injected `context/message` is the durable evidence — because it has no open turn to enclose one (see [the hook-bridges Agent Note](../../.agents/notes/implemented/feature/2026-06-30-hook-bridges.md)).
|
||||
The hook bridges' `hook/invoked` / `hook/result` provenance pairs (from `@deepseek-ai/dsh-hook-protocol`) correlate by `handlerId`. The mid-turn hook points (`PreToolUse`/`PostToolUse`/`UserPromptSubmit`/`Stop`) fire inside the loop's open turn, so their `hook/*` records are turn-enclosed by construction. `SessionStart` gets no `hook/*` record — its injected `user/message` is the durable evidence — because it has no open turn to enclose one (see [the hook-bridges Agent Note](../../.agents/notes/implemented/feature/2026-06-30-hook-bridges.md)).
|
||||
|
||||
## Durability contract
|
||||
|
||||
|
||||
@@ -12,7 +12,7 @@ When an interface documents two valid ways to signal something — an adapter ma
|
||||
|
||||
## Async state is not synchronous state
|
||||
|
||||
`agent.send()` does not flip status before returning; a background task's completion races turn boundaries; `reader.close()` fires for both EOF and disposal. Never gate control flow on a status you only just requested — drive lifecycle off the events/promises that actually fire (`agent/status`, `task.done`), and observe the transition (saw `running` THEN `idle`) instead of treating status as a per-send result: several queued sends run as consecutive turns under one `running` interval, while cancellation or disposal can discard unstarted items. The guard cuts both ways: if the awaited transition can never occur (EOF with no work submitted → never `running`), the wait hangs — handle the "nothing to wait for" branch explicitly.
|
||||
`agent.followup()` does not flip status before returning; a background task's completion races turn boundaries; `reader.close()` fires for both EOF and disposal. Never gate control flow on a status you only just requested — drive lifecycle off the events/promises that actually fire (`agent/status`, `task.done`), and observe the transition (saw `running` THEN `idle`) instead of treating status as a per-follow-up result: several queued follow-ups run as consecutive turns under one `running` interval, while cancellation or disposal can discard unstarted items. The guard cuts both ways: if the awaited transition can never occur (EOF with no work submitted → never `running`), the wait hangs — handle the "nothing to wait for" branch explicitly.
|
||||
|
||||
## Dispose must reach quiescence, not just request it
|
||||
|
||||
|
||||
@@ -8,22 +8,24 @@ This matrix shows which packages dispatch each harness-owned event and which pac
|
||||
| Event | Mode | Declared in | Dispatchers | Listeners |
|
||||
| --- | --- | --- | --- | --- |
|
||||
| `agent-loop/config-start-failed` | `emit` | [`packages/core/agent-loop/src/index.ts:353`](../packages/core/agent-loop/src/index.ts) | [`agent-loop`](../packages/core/agent-loop) (`events.dispatch`) | [`tui`](../packages/ui/tui) |
|
||||
| `agent/cancel-requested` | `emit` | [`packages/core/agent/src/types.ts:217`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session) |
|
||||
| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:179`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:188`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:365`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/post-step` | `serial` | [`packages/core/agent/src/types.ts:315`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy) |
|
||||
| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:246`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`time-context`](../packages/context/time-context), [`user-approval`](../packages/ui/user-approval) |
|
||||
| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:262`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`plan-mode`](../packages/plan/plan-mode), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) |
|
||||
| `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:207`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:276`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/request-error` | `waterfall` | [`packages/core/agent/src/types.ts:330`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`compact-basic`](../packages/compact/compact-basic), [`llm-retry`](../packages/llm/llm-retry), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:291`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill), [`workspace-context`](../packages/context/workspace-context) |
|
||||
| `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:230`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) |
|
||||
| `agent/status` | `emit` | [`packages/core/agent/src/types.ts:197`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent), [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:303`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
|
||||
| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:341`](../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), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:352`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`tool-goal`](../packages/goal/tool-goal) |
|
||||
| `agent/cancel-requested` | `emit` | [`packages/core/agent/src/types.ts:350`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session) |
|
||||
| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:285`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:294`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:498`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/inbox/dequeue` | `emit` | [`packages/core/agent/src/types.ts:326`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/inbox/discard` | `emit` | [`packages/core/agent/src/types.ts:340`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/inbox/enqueue` | `emit` | [`packages/core/agent/src/types.ts:316`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent), [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/post-step` | `serial` | [`packages/core/agent/src/types.ts:448`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy) |
|
||||
| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:379`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`time-context`](../packages/context/time-context), [`user-approval`](../packages/ui/user-approval) |
|
||||
| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:395`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`plan-mode`](../packages/plan/plan-mode), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) |
|
||||
| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:409`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/request-error` | `waterfall` | [`packages/core/agent/src/types.ts:463`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`compact-basic`](../packages/compact/compact-basic), [`llm-retry`](../packages/llm/llm-retry), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:424`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill), [`workspace-context`](../packages/context/workspace-context) |
|
||||
| `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:363`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) |
|
||||
| `agent/status` | `emit` | [`packages/core/agent/src/types.ts:303`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent), [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:436`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
|
||||
| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:474`](../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), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:485`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`tool-goal`](../packages/goal/tool-goal) |
|
||||
| `approval/request` | `waterfall` | [`packages/ui/user-approval/src/index.ts:30`](../packages/ui/user-approval/src/index.ts) | [`user-approval`](../packages/ui/user-approval) (`waterfall`) | [`acp`](../packages/ui/acp) |
|
||||
| `commands/change` | `emit` | [`packages/ui/commands/src/index.ts:103`](../packages/ui/commands/src/index.ts) | [`commands`](../packages/ui/commands) (`events.dispatch`) | [`acp`](../packages/ui/acp), [`tui`](../packages/ui/tui) |
|
||||
| `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:62`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) |
|
||||
|
||||
@@ -28,9 +28,9 @@
|
||||
|
||||
**dispose（资源释放）必须等待所有任务完全停稳，不能仅下发终止指令就返回**：如果清理过程只发出终止或中断信号，却不等任务停止就返回，就会留下孤儿进程。清理应采用异步方式，等待所有子任务彻底退出（先发出终止信号，再等待退出）；发出信号前应先关闭监听器与通知注册表，使延迟到达的完成事件不再触发通知。测试要证明 dispose 的确等到清理完成：执行完 `await fiber.dispose()` 后进程 PID 立即消失，不能只检查进程最终会自行消亡。
|
||||
|
||||
> **Async state is not synchronous state** — `agent.send()` does not flip status before returning; a background task's completion races turn boundaries; `reader.close()` fires for both EOF and disposal. Never gate control flow on a status you only just requested — drive lifecycle off the events/promises that actually fire (`agent/status`, `task.done`), and observe the transition (saw `running` THEN `idle`) instead of treating status as a per-send result: several queued sends run as consecutive turns under one `running` interval, while cancellation or disposal can discard unstarted items.
|
||||
> **Async state is not synchronous state** — `agent.followup()` does not flip status before returning; a background task's completion races turn boundaries; `reader.close()` fires for both EOF and disposal. Never gate control flow on a status you only just requested — drive lifecycle off the events/promises that actually fire (`agent/status`, `task.done`), and observe the transition (saw `running` THEN `idle`) instead of treating status as a per-follow-up result: several queued follow-ups run as consecutive turns under one `running` interval, while cancellation or disposal can discard unstarted items.
|
||||
|
||||
**异步状态不等同于同步瞬时状态**：调用 `agent.send()` 不会在返回前同步更新状态；后台任务的完成时间与轮次边界存在竞态；`reader.close()` 既会在读到文件末尾时触发，也会在资源释放时触发。切勿把刚刚发起的状态变更当成已经生效，据此控制流程；生命周期逻辑应以实际触发的事件和已完成的 promise（`agent/status`、`task.done`）为准，并观察完整的状态变化（先 `running`，再 `idle`），不要把状态当作逐次 `send()` 的结果：多次排队的 `send()` 会作为连续轮次运行，但可能共用一个 `running` 区间；取消或资源释放还可能丢弃尚未启动的队列项。
|
||||
**异步状态不等同于同步瞬时状态**：调用 `agent.followup()` 不会在返回前同步更新状态；后台任务的完成时间与轮次边界存在竞态；`reader.close()` 既会在读到文件末尾时触发，也会在资源释放时触发。切勿把刚刚发起的状态变更当成已经生效，据此控制流程；生命周期逻辑应以实际触发的事件和已完成的 promise（`agent/status`、`task.done`）为准，并观察完整的状态变化（先 `running`，再 `idle`），不要把状态当作逐次 `followup()` 的结果：多次排队的 `followup()` 会作为连续轮次运行，但可能共用一个 `running` 区间；取消或资源释放还可能丢弃尚未启动的队列项。
|
||||
|
||||
## ③ 测试政策清单
|
||||
|
||||
|
||||
@@ -24,14 +24,13 @@ export type SurfaceEventType =
|
||||
| 'user/message'
|
||||
| 'assistant/message'
|
||||
| 'tool/result'
|
||||
| 'context/message'
|
||||
| 'steering/message'
|
||||
|
||||
/**
|
||||
* How a session event entered the ordered surface. Only valid on
|
||||
* {@link SurfaceEventType} events.
|
||||
*
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/context
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/steering
|
||||
* messages.
|
||||
* - `{ op: 'replace', start, end }`: replaces surface nodes from `start`
|
||||
* (inclusive) through `end` (inclusive) with this node. Both must exist as
|
||||
@@ -51,7 +50,7 @@ export type SurfaceOp =
|
||||
*
|
||||
* The {@link sourceEventSeqs} and {@link surfaceOp} fields are conditional:
|
||||
* they only exist on {@link SurfaceEventType} variants (`user/message`,
|
||||
* `assistant/message`, `tool/result`, `context/message`, `steering/message`).
|
||||
* `assistant/message`, `tool/result`, `steering/message`).
|
||||
* Non-surface events (boundary markers, chunks, usage, errors) never carry
|
||||
* surface metadata — the compiler enforces this at `Session.append()`
|
||||
* call sites.
|
||||
@@ -79,7 +78,7 @@ export type SessionEvent<T extends SessionEventType = SessionEventType> = {
|
||||
}[T]
|
||||
```
|
||||
|
||||
Sources: [`packages/core/session/src/types.ts:317`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:330`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:360`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:392`](../packages/core/session/src/types.ts)
|
||||
Sources: [`packages/core/session/src/types.ts:325`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:338`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:367`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:399`](../packages/core/session/src/types.ts)
|
||||
|
||||
## Events
|
||||
|
||||
@@ -151,7 +150,7 @@ Source: [`packages/ui/user-approval/src/index.ts:67`](../packages/ui/user-approv
|
||||
|
||||
Types: [StreamChunk](core-data-structures/llm-streaming.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:263`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:271`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `assistant/message` — surface
|
||||
|
||||
@@ -167,7 +166,7 @@ Source: [`packages/core/session/src/types.ts:263`](../packages/core/session/src/
|
||||
|
||||
Types: [ContentBlock](core-data-structures/core.md) · [TokenUsage](core-data-structures/llm-streaming.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:270`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:278`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `compact/*`
|
||||
|
||||
@@ -221,33 +220,6 @@ Types: [ContentBlock](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/compact/compact/src/types.ts:22`](../packages/compact/compact/src/types.ts)
|
||||
|
||||
### `context/*`
|
||||
|
||||
#### `context/message` — surface
|
||||
|
||||
```ts persistence-catalog
|
||||
/**
|
||||
* In-session context injection (file-change notices, subdir AGENTS.md,
|
||||
* skill content, cron notifications, …). Rendered into the derived history
|
||||
* as a synthetic user-role message carrying `content` verbatim — NOT a
|
||||
* user prompt. `meta` is durable JSON state omitted from the model
|
||||
* projection; it is also the intended channel for any future framing
|
||||
* directive (a producer declares the frame, a dedicated renderer applies it —
|
||||
* see the deferred note in
|
||||
* ../../../../.agents/notes/implemented/simplification/2026-07-20-unwrap-injected-content-envelopes.md),
|
||||
* so the surface keeps projecting `content` verbatim rather than wrapping it.
|
||||
*/
|
||||
'context/message': {
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
meta?: JsonValue
|
||||
}
|
||||
```
|
||||
|
||||
Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:257`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `hook/*`
|
||||
|
||||
#### `hook/invoked` — log-only
|
||||
@@ -357,7 +329,7 @@ Source: [`packages/plan/plan-mode/src/index.ts:41`](../packages/plan/plan-mode/s
|
||||
|
||||
Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:245`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:269`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `request/*`
|
||||
|
||||
@@ -371,7 +343,7 @@ Source: [`packages/core/session/src/types.ts:245`](../packages/core/session/src/
|
||||
'request/header': { header: EpochHeader; reason: RequestHeaderReason }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:305`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:313`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `sandbox/*`
|
||||
|
||||
@@ -427,7 +399,7 @@ Source: [`packages/session-title/session-title-llm/src/index.ts:44`](../packages
|
||||
'steering/message': PromptMessageData & { turn: number }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:298`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:306`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `step/*`
|
||||
|
||||
@@ -438,7 +410,7 @@ Source: [`packages/core/session/src/types.ts:298`](../packages/core/session/src/
|
||||
'step/end': { turn: number; step: number }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:238`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:254`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `step/start` — log-only
|
||||
|
||||
@@ -447,7 +419,7 @@ Source: [`packages/core/session/src/types.ts:238`](../packages/core/session/src/
|
||||
'step/start': { turn: number; step: number }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:236`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:252`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `todo/*`
|
||||
|
||||
@@ -460,7 +432,7 @@ Source: [`packages/core/session/src/types.ts:236`](../packages/core/session/src/
|
||||
|
||||
Types: [TodoItem](core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:300`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:308`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `tool/*`
|
||||
|
||||
@@ -477,7 +449,7 @@ Source: [`packages/core/session/src/types.ts:300`](../packages/core/session/src/
|
||||
|
||||
Types: [CallId](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:276`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:284`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `tool/code-dispatch` — log-only
|
||||
|
||||
@@ -531,7 +503,7 @@ Source: [`packages/core/tools/src/code-mode.ts:34`](../packages/core/tools/src/c
|
||||
|
||||
Types: [CallId](core-data-structures/core.md) · [ContentBlock](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:288`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:296`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `turn/*`
|
||||
|
||||
@@ -549,7 +521,7 @@ Source: [`packages/core/session/src/types.ts:288`](../packages/core/session/src/
|
||||
|
||||
Types: [TurnEndReason](core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:234`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:250`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `turn/start` — log-only
|
||||
|
||||
@@ -565,15 +537,23 @@ Source: [`packages/core/session/src/types.ts:234`](../packages/core/session/src/
|
||||
|
||||
Types: [TurnTrigger](core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:227`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:243`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `user/*`
|
||||
|
||||
#### `user/message` — surface
|
||||
|
||||
```ts persistence-catalog
|
||||
/** A user-visible prompt (the queued message claimed for this turn). */
|
||||
/**
|
||||
* A user-role message on the model-visible surface: a direct human prompt
|
||||
* (the queued message claimed for this turn), a synthetic `agent.inject()`
|
||||
* context (file-change notices, subdir AGENTS.md, skill content, cron
|
||||
* notifications, …), or an admitted goal continuation round. All three
|
||||
* project their `content` verbatim; `source` (with a non-`user` kind marking
|
||||
* injected context) is the only channel that tells them apart. An idle
|
||||
* injection wraps this event in a one-shot turn so the log stays turn-enclosed.
|
||||
*/
|
||||
'user/message': PromptMessageData
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:240`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:264`](../packages/core/session/src/types.ts)
|
||||
|
||||
@@ -23,12 +23,12 @@ This table connects model-visible tool names to the plugin package and service s
|
||||
| `@deepseek-ai/dsh-tool-fs` | `edit`, `read`, `write` | `ctx.tools`, `ctx.fs`, `ctx.systemPrompt` | `tool/call`, `fs/write-intent or fs/edit-intent for mutations`, `fs/observed after successful file operations`, `tool/result` | - | The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an `fs/*` event-gate plugin, no schema change); a deployment that loads these tools is expected to also load it. The tool schemas above are identical with or without the policy plugin. |
|
||||
| `@deepseek-ai/dsh-tool-fs-search` | `glob`, `grep` | `ctx.tools`, `ctx.bash`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | glob and grep are conditional bash-backed discovery tools: they register only when ctx.bash can find `rg`, then run fixed ripgrep commands through ctx.bash as ordinary foreground calls (never background tasks). Capped results save the complete formatted list through the optional ctx.spillStore backend; returned locators are follow-up-readable/searchable when the backend exposes local paths in co-located deployments. |
|
||||
| `@deepseek-ai/dsh-tool-pty` | `terminal_close`, `terminal_list`, `terminal_open`, `terminal_read`, `terminal_send`, `terminal_signal` | `ctx.tools`, `ctx.pty`, `ctx.systemPrompt`, `ctx.tasks at call time for run_in_background` | `tool/call`, `tool/result` | - | The six terminal tools are opt-in and complement one-shot bash/filesystem tools. `terminal_send(run_in_background: true)` registers with `ctx.tasks`; TUI, named key sequences, BEL, resize, auto-start, and cross-agent sharing are absent from the schema. |
|
||||
| `@deepseek-ai/dsh-tool-goal` | `create_goal`, `get_goal`, `update_goal` | `ctx.tools`, `ctx.agents`, `ctx.goals`, `ctx.systemPrompt`, `a calling Agent in an authorized open turn` | `tool/call`, `context/message goal snapshot for mutations`, `tool/result` | - | create, edit, pause, and resume require direct-human root authority; complete and blocked also accept the exact current goal round. The default blocked lower bound is three admitted rounds. |
|
||||
| `@deepseek-ai/dsh-tool-goal` | `create_goal`, `get_goal`, `update_goal` | `ctx.tools`, `ctx.agents`, `ctx.goals`, `ctx.systemPrompt`, `a calling Agent in an authorized open turn` | `tool/call`, `user/message goal snapshot for mutations`, `tool/result` | - | create, edit, pause, and resume require direct-human root authority; complete and blocked also accept the exact current goal round. The default blocked lower bound is three admitted rounds. |
|
||||
| `@deepseek-ai/dsh-tool-lsp` | `lsp` | `ctx.tools`, `ctx.lsp`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | The lsp tool keeps provider selection and language-server subprocesses behind ctx.lsp, so its model-visible schema stays stable across providers. Requires a registered provider (e.g. `@deepseek-ai/dsh-lsp-local`) at runtime; without one, a query returns the structured `LSP_UNAVAILABLE` error rather than changing the schema. |
|
||||
| `@deepseek-ai/dsh-tool-ralph` | `ralph` | `ctx.tools`, `ctx.workflows`, `ctx.subagents`, `ctx.systemPrompt`, `a calling Agent (exec.agent parents every fresh round)` | `tool/call`, `tool/result`, `workflow and child session events during execution` | - | A fixed foreground workflow starts one fresh structured child per round; the model selects only the immutable objective and an optional round cap. |
|
||||
| `@deepseek-ai/dsh-tool-skill` | `skill` | `ctx.tools`, `ctx.skills` | `tool/call`, `tool/result` | - | - |
|
||||
| `@deepseek-ai/dsh-tool-subagent` | `subagent` | `ctx.tools`, `ctx.subagents` | `tool/call`, `tool/result`, `child session events through the chosen provider` | `subagent`, `subagent_fork` | The registered tool name is the load-time `toolName` config (default `subagent`); the schema above is that default. The shipped example agents load this package once per subagent backend, so the model additionally sees `subagent_fork` (bound to the fork backend) with an identical schema — see `examples/tui-agent/cordis.yml` and `examples/acp-agent/cordis.yml`. |
|
||||
| `@deepseek-ai/dsh-tool-tasks` | `task_kill`, `task_list`, `task_output` | `ctx.tools`, `ctx.tasks`, `ctx.systemPrompt` | `tool/call`, `tool/result`, `context/message via agent.inject() for background completion notices` | - | The kind-agnostic background-task control surface: background bash commands, PTY sends, and subagents are read, listed, and killed through the same three tools. Loading the plugin attaches the control surface that arms producers' `ctx.tasks.start()`. |
|
||||
| `@deepseek-ai/dsh-tool-tasks` | `task_kill`, `task_list`, `task_output` | `ctx.tools`, `ctx.tasks`, `ctx.systemPrompt` | `tool/call`, `tool/result`, `user/message via agent.inject() for background completion notices` | - | The kind-agnostic background-task control surface: background bash commands, PTY sends, and subagents are read, listed, and killed through the same three tools. Loading the plugin attaches the control surface that arms producers' `ctx.tasks.start()`. |
|
||||
| `@deepseek-ai/dsh-tool-todo` | `todo_write` | `ctx.tools`, `owning Agent session` | `tool/call`, `todo/write`, `tool/result` | - | todo_write is session-owned state; UIs render the latest todo/write event as a checklist or ACP plan. |
|
||||
| `@deepseek-ai/dsh-tool-workflow` | `workflow` | `ctx.tools`, `ctx.workflows`, `ctx.systemPrompt`, `a calling Agent (exec.agent parents the script children)` | `tool/call`, `tool/result` | - | - |
|
||||
| `@deepseek-ai/dsh-tool-web` | `web_fetch`, `web_search` | `ctx.tools`, `ctx.web`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | web_search and web_fetch keep provider selection behind ctx.web so model-visible schemas stay stable across backend swaps. |
|
||||
|
||||
@@ -22,7 +22,7 @@ flowchart TD
|
||||
normalized["Registry outer normalization<br/>pipeline/result snapshot throws become isError"]
|
||||
finalize["ToolDefinition.finalizeContent<br/>last content-only invariant"]
|
||||
final["<code>tools/result</code> synchronous notification<br/>frozen authoritative outcome"]
|
||||
context["Active-batch additionalContexts FIFO<br/>context/message after recorded tool results"]
|
||||
context["Active-batch additionalContexts FIFO<br/>injected user/message after recorded tool results"]
|
||||
toolResult["Session event: <code>tool/result</code><br/>single model-facing outcome"]
|
||||
allResults["Tool batch settled<br/>recorded tool/result events complete"]
|
||||
presentResult["UI completed card<br/>presentResult(args, result)"]
|
||||
|
||||
Reference in New Issue
Block a user