refactor(agent-loop): simplify message machine
This commit is contained in:
_Kerman
@@ -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 docs/architecture.md
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architecture.md: 2ae982eba49b6dbd2365496915f9917071167813
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architecture.zh.md: abaef961504ff64dbcd1e8e8ba9bd002406fa7f4
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architecture.md: e7861cb5e59c30b3a20e0811fc1c644b300d8bfe
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architecture.zh.md: b0b7bed4780cb3442076f874ba98503cd1255482
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@@ -65,7 +65,7 @@ Waterfalls are around-middleware: listeners delegate with `next()`; returning wi
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## Default Loop Lifecycle
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A **session** is append-only. An ordinary **turn** claims one queued `send()` item; injection claims none. A successor awaits its predecessor's checkpoint but may share its `running` interval ([decision](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)). A turn ends when model or plugins stop it; a **step** is one model request plus tools. Quotes in the [sequence below](agent-lifecycle.md) mark durable events.
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A **session** is append-only. An ordinary **turn** claims one queued follow-up; injection claims none. A successor awaits its predecessor's checkpoint but may share its `running` interval ([decision](../.agents/notes/implemented/simplification/2026-07-17-one-send-one-turn.md)). A turn ends when model or plugins stop it; 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` 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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@@ -122,7 +122,7 @@ Pruning precedes summaries; overflow retries require durable progress. `agent/re
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### Failure Boundaries
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Adapter failures close their step before `agent/request-error` receives the exact `Error`, normalized `LlmFailure`, and signal. A handled failure closes its turn and opens a retry turn from durable history without an idle notification; exhaustion leaves terminal `turn/end`. Failed chunks commit neither messages nor tool calls.
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Final-adapter selection, dispatch, and iteration failures become terminal `finish { kind: 'error' | 'aborted', failure }` chunks before the loop handles them. `agent/request-error` receives request coordinates, normalized `LlmFailure`, the prepared registration's retry policy when available, and the signal; middleware and consumer errors remain thrown outside request recovery. Failed chunks commit neither messages nor tool calls.
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Other failures use `agent/error`. Cancellation and disposal beat recovery. Before request-header commit, the turn signal cancels asynchronous model-capability preparation; undispatched tools get synthetic `tool/call`/`ABORTED_BEFORE_DISPATCH` pairs. Effective `cancel(cause)` emits its cause before queue clearing and abort; observers cannot veto; idle calls emit nothing. Durability records user or parent cancellation as `aborted`, teardown as `disposed`; teardown awaits quiescence. The cause affects reporting, not late result-context handling ([decision](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)).
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@@ -130,7 +130,7 @@ Turn and step events are turn-enclosed; idle injected `user/message` events may
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### Agent Handles
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`ctx.agents` owns live agents and returns `AgentHandle { agent, dispose() }`. Plugins use full `send()` options or `followup()`, `steer()`, and `inject()` presets; `cancel()` and `whenIdle()` control lifecycle. One awaited disposer coordinates teardown ownership.
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`ctx.agents` returns `AgentHandle { agent, dispose() }`. Plugins drive agents with `followup()`, `steer()`, and `inject()`; `cancel()` stops work, while the awaited disposer owns teardown.
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### Agent Scope
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@@ -65,7 +65,7 @@ waterfall（瀑布式事件）是环绕中间件：监听器通过 `next()` 委
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## 默认循环生命周期
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**会话**采用仅追加方式。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)）。模型或插件停止轮次时，该轮次结束；一个**步骤**包含一次模型请求及其工具。[下文时序](agent-lifecycle.md)中的引号标记持久事件。
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**会话**采用仅追加方式。普通**轮次**领取一条已排队的后续消息；注入不领取输入。后续轮次会等待前一轮次的检查点，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)）。模型或插件停止轮次时，该轮次结束；一个**步骤**包含一次模型请求及其工具。[下文时序](agent-lifecycle.md)中的引号标记持久事件。
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创建时若未提供 id，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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@@ -122,7 +122,7 @@ idle inject:
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### 失败边界
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适配器故障会先关闭自身步骤，再由 `agent/request-error` 接收准确的 `Error`、标准化的 `LlmFailure` 和信号。已处理的失败会关闭所在轮次，并从持久历史开启重试轮次，不发出空闲通知；重试耗尽则留下终态 `turn/end`。失败分片既不提交消息，也不提交工具调用。
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最终适配器选择、分发与迭代失败会在 loop 处理前成为终止 `finish { kind: 'error' | 'aborted', failure }` chunk。`agent/request-error` 接收请求坐标、标准化 `LlmFailure`、可用时的准备注册重试策略以及信号；middleware 与消费方错误仍在请求恢复之外抛出。失败分片既不提交消息，也不提交工具调用。
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其他故障使用 `agent/error`。取消和资源释放优先于恢复。在提交请求头之前，轮次信号会取消异步模型能力准备；尚未分派的工具会得到合成的 `tool/call`/`ABORTED_BEFORE_DISPATCH` 对。实际生效的 `cancel(cause)` 在清空队列和中止前发出原因；观察方不能否决；空闲调用不发事件。持久化层将用户或父级取消记录为 `aborted`，拆卸记录为 `disposed`；拆卸会等待完全停稳。原因只影响报告方式，不影响延迟完成的结果上下文处理（[决策](../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md)）。
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@@ -130,7 +130,7 @@ idle inject:
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### Agent 句柄
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`ctx.agents` 拥有活跃 agent，并返回 `AgentHandle { agent, dispose() }`。插件使用全部 `send()` 选项，或 `followup()`、`steer()` 和 `inject()` 预设；`cancel()` 与 `whenIdle()` 控制生命周期。一个需等待完成的 disposer 协调拆卸归属。
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`ctx.agents` 返回 `AgentHandle { agent, dispose() }`。插件用 `followup()`、`steer()` 和 `inject()` 驱动 agent；`cancel()` 停止工作，而拆卸由需等待完成的 disposer 负责。
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### Agent 作用域
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@@ -13,27 +13,6 @@ Dispatch modes: **emit** (fire-and-forget), **waterfall** (each listener gets `n
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## `agent/*`
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### `agent/cancel-requested` — emit
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Effective broad cancellation was requested, before queued/outbox work is cleared or the active turn is aborted. This observe-only notification cannot veto cancellation; listener failures are contained.
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```ts cordis-catalog
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/**
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* Effective broad cancellation was requested, before queued/outbox work
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* is cleared or the active turn is aborted. This observe-only notification
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* cannot veto cancellation; listener failures are contained.
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* @param agent - the agent whose current work is being cancelled.
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* @param cause - the explicit typed cancellation cause.
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
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* @mode emit
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*/
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'agent/cancel-requested'(this: Scoped<Agent>, agent: Agent, cause: AgentCancelCause): void
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```
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Types: [Agent](../core-data-structures/core.md) · [AgentCancelCause](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:286`](../../packages/core/agent/src/types.ts)
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### `agent/created` — emit
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A fully configured agent and live session were published. Setup is composition-only; `agent/session-start` is the first startup-driving seam. Synchronous listener failure vetoes publication, while returned-promise rejection is reported. Detach requested during dispatch waits until every creation listener has observed the stable entry.
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@@ -54,7 +33,7 @@ A fully configured agent and live session were published. Setup is composition-o
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Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:218`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:148`](../../packages/core/agent/src/types.ts)
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### `agent/disposed` — emit
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@@ -74,7 +53,7 @@ An agent left the registry; AgentLoop emits this after driver quiescence and sco
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Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:227`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:157`](../../packages/core/agent/src/types.ts)
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### `agent/error` — emit
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@@ -96,98 +75,70 @@ A step or turn errored. The machine reports a failure here (plus the logger) eve
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Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:400`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:276`](../../packages/core/agent/src/types.ts)
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### `agent/inbox/dequeue` — emit
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### `agent/inbox/admitted` — emit
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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.
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The driver admitted one inbox item for model-visible history.
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```ts cordis-catalog
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/**
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* The driver claimed one item out of the inbox: a queued item at a turn
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* boundary, or steering drained between steps. Fires after the item leaves
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* its FIFO and before it becomes a durable message.
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* The driver admitted one inbox item for model-visible history.
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* @param agent - the agent whose inbox item was claimed.
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* @param message - the claimed message.
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* @param placement - the FIFO that claimed this occurrence; together with
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* `message.id`, it matches the earliest outstanding enqueue in that FIFO.
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* @param message - the admitted message.
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
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* @mode emit
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*/
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'agent/inbox/dequeue'( this: Scoped<Agent>, agent: Agent, message: UserMessage, placement: InboxPlacement, ): void
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```
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Types: [Agent](../core-data-structures/core.md) · [InboxPlacement](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [UserMessage](../core-data-structures/session.md)
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Source: [`packages/core/agent/src/types.ts:259`](../../packages/core/agent/src/types.ts)
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### `agent/inbox/discard` — emit
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Pending inbox items were dropped without delivering them, so every enqueue occurrence receives exactly one terminal `agent/inbox/dequeue` OR `agent/inbox/discard`. `cancel()` without `keepInbox`, including disposal, emits this after `agent/cancel-requested` when applicable and before aborting the active work. Fires once per drop with every dropped item.
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```ts cordis-catalog
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/**
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* Pending inbox items were dropped without delivering them, so every
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* enqueue occurrence receives exactly one terminal `agent/inbox/dequeue` OR
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* `agent/inbox/discard`. `cancel()` without `keepInbox`, including disposal,
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* emits this after `agent/cancel-requested` when applicable and before
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* aborting the active work. Fires once per drop with every dropped item.
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* @param agent - the agent whose inbox items were dropped.
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* @param messages - the discarded messages in FIFO order (queued then steering); never empty.
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
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* @mode emit
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*/
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'agent/inbox/discard'(this: Scoped<Agent>, agent: Agent, messages: UserMessage[]): void
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'agent/inbox/admitted'(this: Scoped<Agent>, agent: Agent, message: UserMessage): void
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```
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Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [UserMessage](../core-data-structures/session.md)
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Source: [`packages/core/agent/src/types.ts:276`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:175`](../../packages/core/agent/src/types.ts)
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### `agent/inbox/enqueue` — emit
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### `agent/inbox/canceled` — emit
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An item entered the queued or steering inbox. `placement` is the acceptance-time routing result; listeners must not reconstruct it from later agent or session state.
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One pending inbox item was dropped without entering model-visible history. `cancel()` without `keepInbox`, including disposal, emits this once for each dropped item before aborting active work.
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```ts cordis-catalog
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/**
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* An item entered the queued or steering inbox. `placement` is the
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* acceptance-time routing result; listeners must not reconstruct it from
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* later agent or session state.
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* @param agent - the owning agent.
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* @param message - accepted content, source, and correlation identity.
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* @param placement - resolved queued or steering placement.
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* One pending inbox item was dropped without entering model-visible
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* history. `cancel()` without `keepInbox`, including disposal, emits this
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* once for each dropped item before aborting active work.
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* @param agent - the agent whose inbox items were dropped.
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* @param message - the dropped message.
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
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* @mode emit
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*/
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'agent/inbox/enqueue'(this: Scoped<Agent>, agent: Agent, message: UserMessage, placement: InboxPlacement): void
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'agent/inbox/canceled'(this: Scoped<Agent>, agent: Agent, message: UserMessage): void
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```
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Types: [Agent](../core-data-structures/core.md) · [InboxPlacement](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [UserMessage](../core-data-structures/session.md)
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Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [UserMessage](../core-data-structures/session.md)
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Source: [`packages/core/agent/src/types.ts:247`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:185`](../../packages/core/agent/src/types.ts)
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### `agent/prompt-submit` — waterfall
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Allow, rewrite, or block one claimed prompt before it becomes a user message or opens a turn. Call `next()` for the unchanged default. The signal controls only this admission attempt; listeners may cooperate with it but must not retain it for a later attempt or turn.
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Allow, rewrite, or block one claimed inbox batch before it becomes model-visible or opens a turn. Call `next()` for the unchanged default. The signal controls only this admission attempt; listeners may cooperate with it but must not retain it for a later attempt or turn.
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```ts cordis-catalog
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/**
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* Allow, rewrite, or block one claimed prompt before it becomes a user
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* message or opens a turn. Call `next()` for the unchanged default. The
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* Allow, rewrite, or block one claimed inbox batch before it becomes
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* model-visible or opens a turn. Call `next()` for the unchanged default. The
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* signal controls only this admission attempt; listeners may cooperate with
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* it but must not retain it for a later attempt or turn.
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* @param agent - the agent whose turn claimed the message.
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* @param message - the frozen claimed message, including identity and source.
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* @param agent - the agent whose driver claimed the batch.
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* @param messages - the claimed messages.
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* @param signal - the current turn's explicit abort signal.
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
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* @mode waterfall
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*/
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'agent/prompt-submit'(this: Scoped<Agent>, agent: Agent, message: UserMessage, signal: AbortSignal, next: () => Promise<PromptDecision>): Promise<PromptDecision>
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'agent/prompt-submit'(this: Scoped<Agent>, agent: Agent, messages: UserMessage[], signal: AbortSignal, next: () => Promise<PromptDecision>): Promise<PromptDecision>
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```
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Types: [Agent](../core-data-structures/core.md) · [PromptDecision](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [UserMessage](../core-data-structures/session.md)
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Source: [`packages/core/agent/src/types.ts:313`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:211`](../../packages/core/agent/src/types.ts)
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### `agent/request` — waterfall
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@@ -211,37 +162,30 @@ Replace the frozen call configuration. `await next()` yields the config the mach
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Types: [Agent](../core-data-structures/core.md) · [LlmCallConfig](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:339`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:237`](../../packages/core/agent/src/types.ts)
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### `agent/request-error` — waterfall
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Handle a model-request failure after its failed step has closed but before the failed turn closes. A listener returns `{ kind: 'retry' }` without calling `next()` when it owns the error, or calls `next()` to delegate. The default `undefined` leaves the failure terminal.
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Handle one failed model-request attempt before the loop retries or closes its step. A listener returns `{ kind: 'retry' }` without calling `next()` when it owns recovery, or calls `next()` to delegate. The default `undefined` leaves the failure terminal.
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```ts cordis-catalog
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/**
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* Handle a model-request failure after its failed step has closed but
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* before the failed turn closes. A listener returns `{ kind: 'retry' }`
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* without calling `next()` when it owns the error, or calls `next()` to
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* delegate. The default `undefined` leaves the failure terminal.
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* Handle one failed model-request attempt before the loop retries or closes
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* its step. A listener returns `{ kind: 'retry' }` without calling `next()`
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* when it owns recovery, or calls `next()` to delegate. The default
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* `undefined` leaves the failure terminal.
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* @param agent - the agent whose request failed.
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* @param turn - the open turn number.
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* @param step - the failed step number.
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* @param error - the original model-request failure.
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* @param failure - serializable facts normalized at the final adapter boundary.
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* @param priorFailures - immutable failures that already authorized another
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* retry turn in this consecutive sequence.
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* @param retryPolicy - immutable policy of the adapter registration that served
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* the failed request, or `undefined` if no final adapter served it.
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* @param context - request coordinates, provider, normalized failure, and serving policy.
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* @param signal - the turn abort signal.
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
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* @mode waterfall
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*/
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'agent/request-error'(this: Scoped<Agent>, agent: Agent, turn: number, step: number, error: RequestError, failure: LlmFailure, priorFailures: readonly LlmFailure[], retryPolicy: ResolvedRetryPolicy | undefined, signal: AbortSignal, next: () => Promise<RequestErrorAction>): Promise<RequestErrorAction>
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'agent/request-error'(this: Scoped<Agent>, agent: Agent, context: RequestFailureContext, signal: AbortSignal, next: () => Promise<RequestErrorAction>): Promise<RequestErrorAction>
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```
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|
||||
Types: [Agent](../core-data-structures/core.md) · [LlmFailure](../core-data-structures/llm-streaming.md) · [RequestError](../core-data-structures/core.md) · [RequestErrorAction](../core-data-structures/core.md) · [ResolvedRetryPolicy](../core-data-structures/llm-streaming.md) · [Scoped](../core-data-structures/scope.md)
|
||||
Types: [Agent](../core-data-structures/core.md) · [RequestErrorAction](../core-data-structures/core.md) · [RequestFailureContext](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:358`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:249`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/session-start` — emit
|
||||
|
||||
@@ -263,41 +207,17 @@ 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:299`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/settled` — emit
|
||||
|
||||
One drain chain reached its terminal turn: that turn's `turn/end` is already committed. Automatically recovered failed turns do not emit this notification, and neither does a run that aborts or fails before its `turn/start` commits — there is no durable turn to settle against. `reason` says why; model-request recovery is exhausted when an error reaches it.
|
||||
|
||||
```ts cordis-catalog
|
||||
/**
|
||||
* One drain chain reached its terminal turn: that turn's `turn/end` is
|
||||
* already committed. Automatically recovered failed turns do not emit this
|
||||
* notification, and neither does a run that aborts or fails before its
|
||||
* `turn/start` commits — there is no durable turn to settle against.
|
||||
* `reason` says why; model-request recovery is exhausted when an error
|
||||
* reaches it.
|
||||
* @param agent - the agent whose turn closed.
|
||||
* @param turn - the terminal turn number.
|
||||
* @param reason - why the terminal turn ended, with live error facts when it failed.
|
||||
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
|
||||
* @mode emit
|
||||
*/
|
||||
'agent/settled'(this: Scoped<Agent>, agent: Agent, turn: number, reason: SettleReason): void
|
||||
```
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [SettleReason](../core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:387`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:197`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/status` — emit
|
||||
|
||||
Agent status changed (`idle` ⇄ `running`). `send()` does not enter `running` synchronously; drive lifecycle from this event.
|
||||
Agent status changed (`idle` ⇄ `running`). A waking delivery enters `running` synchronously after reserving cancellation; `idle` means no driver remains scheduled or active.
|
||||
|
||||
```ts cordis-catalog
|
||||
/**
|
||||
* Agent status changed (`idle` ⇄ `running`). `send()` does not enter
|
||||
* `running` synchronously; drive lifecycle from this event.
|
||||
* Agent status changed (`idle` ⇄ `running`). A waking delivery enters
|
||||
* `running` synchronously after reserving cancellation; `idle` means no
|
||||
* driver remains scheduled or active.
|
||||
* @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.
|
||||
@@ -308,7 +228,7 @@ Agent status changed (`idle` ⇄ `running`). `send()` does not enter `running` s
|
||||
|
||||
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:236`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:167`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/step` — serial
|
||||
|
||||
@@ -332,7 +252,7 @@ Awaited serial checkpoint before EVERY request of a turn is built (the first as
|
||||
|
||||
Types: [Agent](../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)
|
||||
Source: [`packages/core/agent/src/types.ts:224`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
### `agent/turn-stopping` — serial
|
||||
|
||||
@@ -358,7 +278,7 @@ The turn is about to close: the model owes no response (no live tool calls, no f
|
||||
|
||||
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts:373`](../../packages/core/agent/src/types.ts)
|
||||
Source: [`packages/core/agent/src/types.ts:264`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
## `agent-loop/*`
|
||||
|
||||
@@ -550,7 +470,7 @@ Waterfall around every streaming model call (retry, replay, routing). Bound to t
|
||||
|
||||
Types: [GenerateOptions](../core-data-structures/core.md) · [LlmService](../core-data-structures/llm-streaming.md) · [StreamChunk](../core-data-structures/llm-streaming.md)
|
||||
|
||||
Source: [`packages/llm/llm/src/index.ts:58`](../../packages/llm/llm/src/index.ts)
|
||||
Source: [`packages/llm/llm/src/index.ts:56`](../../packages/llm/llm/src/index.ts)
|
||||
|
||||
## `session/*`
|
||||
|
||||
@@ -575,7 +495,7 @@ Creation announcement during session publication. A synchronous throw vetoes and
|
||||
|
||||
Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/index.ts:71`](../../packages/core/session/src/index.ts)
|
||||
Source: [`packages/core/session/src/index.ts:50`](../../packages/core/session/src/index.ts)
|
||||
|
||||
### `session/disposed` — emit
|
||||
|
||||
@@ -596,7 +516,7 @@ Emitted once when an announced session leaves the store, including publication r
|
||||
|
||||
Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/index.ts:81`](../../packages/core/session/src/index.ts)
|
||||
Source: [`packages/core/session/src/index.ts:60`](../../packages/core/session/src/index.ts)
|
||||
|
||||
### `session/event` — emit
|
||||
|
||||
@@ -619,7 +539,7 @@ Post-commit, fire-and-forget append feed. The listener snapshot resolves before
|
||||
|
||||
Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md) · [SessionEvent](../core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/index.ts:93`](../../packages/core/session/src/index.ts)
|
||||
Source: [`packages/core/session/src/index.ts:72`](../../packages/core/session/src/index.ts)
|
||||
|
||||
### `session/flush` — parallel
|
||||
|
||||
@@ -640,7 +560,7 @@ Awaited parallel durability checkpoint: every listener runs and the caller await
|
||||
|
||||
Types: [Scoped](../core-data-structures/scope.md) · [Session](../core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/index.ts:103`](../../packages/core/session/src/index.ts)
|
||||
Source: [`packages/core/session/src/index.ts:82`](../../packages/core/session/src/index.ts)
|
||||
|
||||
## `slash/*`
|
||||
|
||||
|
||||
@@ -803,15 +803,13 @@ async resolveCallConfig(config: LlmCallConfig, signal?: AbortSignal): Promise<Ll
|
||||
async prepareCall(config: LlmCallConfig, signal?: AbortSignal): Promise<PreparedLlmCall>
|
||||
|
||||
/**
|
||||
* Stream one model call as raw chunks (token-level deltas). Throws
|
||||
* `LlmError` with code `NO_ADAPTER` if no adapter is registered for
|
||||
* `options.provider`. Replay state is retained only when the same adapter
|
||||
* instance owns its historical provider and the target provider. Final
|
||||
* adapter selection remains fixed through asynchronous exact-model resolution
|
||||
* and dispatch. Selection, dispatch, and iteration failures retain their
|
||||
* original Error identity and are tagged in a call-local scope for narrow
|
||||
* agent-loop request recovery; middleware and nested-call failures remain
|
||||
* untagged for the outer call.
|
||||
* Stream one model call as raw chunks (token-level deltas). Replay state is
|
||||
* retained only when the same adapter instance owns its historical provider
|
||||
* and the target provider. Final adapter selection remains fixed through
|
||||
* asynchronous exact-model resolution and dispatch. Adapter selection,
|
||||
* dispatch, and iteration failures become terminal `error` or `aborted`
|
||||
* finish chunks; middleware, nested-call, cleanup, and consumer failures
|
||||
* remain thrown.
|
||||
* @param options - the full request; `options.provider` selects the adapter.
|
||||
* @returns the chunk stream, possibly wrapped by `llm/stream` listeners.
|
||||
*/
|
||||
@@ -1582,7 +1580,7 @@ fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId):
|
||||
|
||||
Types: [CreateSessionOptions](../core-data-structures/persistence.md) · [Session](../core-data-structures/session.md) · [SessionId](../core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/index.ts:694`](../../packages/core/session/src/index.ts)
|
||||
Source: [`packages/core/session/src/index.ts:673`](../../packages/core/session/src/index.ts)
|
||||
|
||||
## `ctx.sessionTitle` — `SessionTitleService`
|
||||
|
||||
@@ -2166,7 +2164,7 @@ The concrete provider retains pi-tui, focus, and terminal lifecycle state. Plugi
|
||||
abstract openOverlay(request: TuiOverlayRequest): TuiOverlaySession
|
||||
```
|
||||
|
||||
Source: [`packages/ui/tui/src/index.ts:247`](../../packages/ui/tui/src/index.ts)
|
||||
Source: [`packages/ui/tui/src/index.ts:234`](../../packages/ui/tui/src/index.ts)
|
||||
|
||||
## `ctx.userInteraction` — `UserInteractionService`
|
||||
|
||||
|
||||
@@ -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 docs/core-data-structures/core.md
|
||||
core.md: b9df539136c2661537775ba9a425bdf7ef1fd958
|
||||
core.zh.md: 1c75e8484dd1184077fe0194b2b6088230d1bbf5
|
||||
core.md: d837fc0977615a3afe307c56f5c97065af4a3a26
|
||||
core.zh.md: 797ec67ca0100cc44a088d453394c39cc1e343b0
|
||||
|
||||
@@ -414,46 +414,12 @@ The twelve event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, `
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* Which inbox queue a {@link Agent.send} item joins:
|
||||
* - `next-turn` — the item becomes its own turn, claimed at a turn boundary.
|
||||
* - `next-step` — during prompt admission or an open turn, the item stages for
|
||||
* the next safe step boundary; otherwise it is promoted per its `wakeup`
|
||||
* flag.
|
||||
*/
|
||||
type SendTarget = 'next-turn' | 'next-step'
|
||||
```
|
||||
|
||||
```ts type-equiv
|
||||
/** Resolved inbox placement reported when an accepted message is enqueued. */
|
||||
type InboxPlacement = 'queued' | 'steering'
|
||||
```
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* Options for the unified {@link Agent.send} primitive over the
|
||||
* (`target` × `wakeup`) matrix. Named presets: {@link Agent.followup}
|
||||
* (`next-turn`/wakeup), {@link Agent.steer} (`next-step`/wakeup), and
|
||||
* {@link Agent.inject} (`next-step`/no-wakeup).
|
||||
*
|
||||
* The object is complete so routing policy is explicit.
|
||||
*/
|
||||
interface SendOptions {
|
||||
/** Queue the item joins. */
|
||||
target: SendTarget
|
||||
/**
|
||||
* Whether this item makes the model run: wake a parked driver (`next-turn`)
|
||||
* or force a continuation step (`next-step` while running). A `false`
|
||||
* `next-turn` item queues without waking; a `false`
|
||||
* `next-step` item attaches durable context without forcing another step
|
||||
* (the injection preset).
|
||||
*/
|
||||
wakeup: boolean
|
||||
}
|
||||
```
|
||||
|
||||
The fixed-preset aliases own `target` and `wakeup`; their already identified `UserMessage` carries role, content, and provenance. Its `MessageId` remains stable across that message's `agent/inbox/*` events without being returned by the delivery methods. Injection bypasses the FIFOs and never appears on those events.
|
||||
The delivery methods accept an already identified `UserMessage` carrying role, content, and provenance. Its `MessageId` remains stable across that message's `agent/inbox/*` events without being returned by the delivery methods. Injection bypasses the FIFOs and never appears on those events.
|
||||
|
||||
```ts type-equiv
|
||||
/** Options for {@link Agent.cancel}. */
|
||||
@@ -474,10 +440,10 @@ type AgentCancelCause =
|
||||
| { readonly kind: 'parent' }
|
||||
```
|
||||
|
||||
`Agent` is an interface over the public live-agent contract. Concrete drivers own the `followup`/`steer`/`inject` aliases and route them through `send`'s (`target` × `wakeup`) matrix.
|
||||
`Agent` is an interface over the public live-agent contract. Concrete drivers implement `followup`, `steer`, and `inject`; routing policy remains private to the driver.
|
||||
|
||||
```ts type-equiv
|
||||
/** Public live-agent handle with aliases over the unified delivery primitive. */
|
||||
/** Public live-agent handle. */
|
||||
interface Agent {
|
||||
/** The single identity shared with {@link session}. */
|
||||
readonly id: SessionId
|
||||
@@ -496,28 +462,6 @@ interface Agent {
|
||||
/** Agent-scoped context; its contributions are agent-local, unwind on disposal, and reject registration afterward. */
|
||||
readonly ctx: Context
|
||||
|
||||
/**
|
||||
* The unified delivery primitive over the (`target` × `wakeup`) matrix.
|
||||
* It routes the caller's typed content and source as follows:
|
||||
*
|
||||
* - `next-turn` queues an item that becomes the sole ordinary message of its
|
||||
* own FIFO-ordered turn; `wakeup:true` wakes a
|
||||
* parked driver, while `wakeup:false` queues without waking.
|
||||
* - `next-step` with `wakeup:true` stages steering during prompt admission
|
||||
* or an open turn; outside that window it falls back to a woken
|
||||
* `next-turn`.
|
||||
* - `next-step` with `wakeup:false` injects durable model-facing context
|
||||
* without running the model: admission or an open turn stages it for the
|
||||
* next safe log position, while an injection outside that window appends
|
||||
* immediately without opening a turn. If admission closes without a turn,
|
||||
* a context-only boundary appends immediately; context staged beside
|
||||
* steering remains pending with it.
|
||||
* The agent publishes or queues the identified frozen message as-is.
|
||||
* @param message - identified model-facing content and its producer provenance.
|
||||
* @param options - target queue and wakeup decision.
|
||||
*/
|
||||
send(message: UserMessage, options: SendOptions): void
|
||||
|
||||
/**
|
||||
* Clear queued and steering work — unless `keepInbox` — and abort the active
|
||||
* turn. An effective call first emits `agent/cancel-requested` with the
|
||||
@@ -533,16 +477,14 @@ interface Agent {
|
||||
whenIdle(): Promise<void>
|
||||
|
||||
/**
|
||||
* Queue an ordinary follow-up turn and wake the driver — the
|
||||
* `next-turn`/wakeup preset of {@link send}. The item becomes the sole
|
||||
* ordinary message of its own turn.
|
||||
* Queue an ordinary follow-up turn and wake the driver. The item becomes the
|
||||
* sole ordinary message of its own turn.
|
||||
* @param message - identified prompt content and its producer provenance.
|
||||
*/
|
||||
followup(message: UserMessage): void
|
||||
|
||||
/**
|
||||
* Submit steering during prompt admission or an open turn — the
|
||||
* `next-step`/wakeup preset of {@link send}. It stages for the next steering
|
||||
* Submit steering during prompt admission or an open turn. It stages for the next steering
|
||||
* checkpoint before a request or stop decision. If the activity fails before
|
||||
* that boundary, the remainder stays staged without waking the agent; retry
|
||||
* or a later prompt takes it. Outside that window steering falls back to a
|
||||
|
||||
@@ -422,46 +422,12 @@ type SessionEvent<T extends SessionEventType = SessionEventType> = {
|
||||
|
||||
源码：[`packages/core/agent/src/types.ts`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* Which inbox queue a {@link Agent.send} item joins:
|
||||
* - `next-turn` — the item becomes its own turn, claimed at a turn boundary.
|
||||
* - `next-step` — during prompt admission or an open turn, the item stages for
|
||||
* the next safe step boundary; otherwise it is promoted per its `wakeup`
|
||||
* flag.
|
||||
*/
|
||||
type SendTarget = 'next-turn' | 'next-step'
|
||||
```
|
||||
|
||||
```ts type-equiv
|
||||
/** Resolved inbox placement reported when an accepted message is enqueued. */
|
||||
type InboxPlacement = 'queued' | 'steering'
|
||||
```
|
||||
|
||||
```ts type-equiv
|
||||
/**
|
||||
* Options for the unified {@link Agent.send} primitive over the
|
||||
* (`target` × `wakeup`) matrix. Named presets: {@link Agent.followup}
|
||||
* (`next-turn`/wakeup), {@link Agent.steer} (`next-step`/wakeup), and
|
||||
* {@link Agent.inject} (`next-step`/no-wakeup).
|
||||
*
|
||||
* The object is complete so routing policy is explicit.
|
||||
*/
|
||||
interface SendOptions {
|
||||
/** Queue the item joins. */
|
||||
target: SendTarget
|
||||
/**
|
||||
* Whether this item makes the model run: wake a parked driver (`next-turn`)
|
||||
* or force a continuation step (`next-step` while running). A `false`
|
||||
* `next-turn` item queues without waking; a `false`
|
||||
* `next-step` item attaches durable context without forcing another step
|
||||
* (the injection preset).
|
||||
*/
|
||||
wakeup: boolean
|
||||
}
|
||||
```
|
||||
|
||||
固定预设的别名方法自带 `target` 与 `wakeup`；其已有标识的 `UserMessage` 会携带角色、内容与 provenance。投递方法不会返回其 `MessageId`，但该 id 在这条消息的各个 `agent/inbox/*` 事件中保持稳定。注入绕过两个 FIFO，从不出现在这些事件中。
|
||||
投递方法接收已有标识的 `UserMessage`，由它携带角色、内容与 provenance。投递方法不会返回其 `MessageId`，但该 id 在这条消息的各个 `agent/inbox/*` 事件中保持稳定。注入绕过两个 FIFO，从不出现在这些事件中。
|
||||
|
||||
```ts type-equiv
|
||||
/** Options for {@link Agent.cancel}. */
|
||||
@@ -482,10 +448,10 @@ type AgentCancelCause =
|
||||
| { readonly kind: 'parent' }
|
||||
```
|
||||
|
||||
`Agent` 是覆盖公开活跃 agent 契约的接口。具体驱动器拥有 `followup`/`steer`/`inject` 别名方法，并将它们经由 `send` 的（`target` × `wakeup`）矩阵路由。
|
||||
`Agent` 是覆盖公开活跃 agent 契约的接口。具体驱动器实现 `followup`、`steer` 和 `inject`；路由策略仍为驱动器私有。
|
||||
|
||||
```ts type-equiv
|
||||
/** Public live-agent handle with aliases over the unified delivery primitive. */
|
||||
/** Public live-agent handle. */
|
||||
interface Agent {
|
||||
/** The single identity shared with {@link session}. */
|
||||
readonly id: SessionId
|
||||
@@ -504,28 +470,6 @@ interface Agent {
|
||||
/** Agent-scoped context; its contributions are agent-local, unwind on disposal, and reject registration afterward. */
|
||||
readonly ctx: Context
|
||||
|
||||
/**
|
||||
* The unified delivery primitive over the (`target` × `wakeup`) matrix.
|
||||
* It routes the caller's typed content and source as follows:
|
||||
*
|
||||
* - `next-turn` queues an item that becomes the sole ordinary message of its
|
||||
* own FIFO-ordered turn; `wakeup:true` wakes a
|
||||
* parked driver, while `wakeup:false` queues without waking.
|
||||
* - `next-step` with `wakeup:true` stages steering during prompt admission
|
||||
* or an open turn; outside that window it falls back to a woken
|
||||
* `next-turn`.
|
||||
* - `next-step` with `wakeup:false` injects durable model-facing context
|
||||
* without running the model: admission or an open turn stages it for the
|
||||
* next safe log position, while an injection outside that window appends
|
||||
* immediately without opening a turn. If admission closes without a turn,
|
||||
* a context-only boundary appends immediately; context staged beside
|
||||
* steering remains pending with it.
|
||||
* The agent publishes or queues the identified frozen message as-is.
|
||||
* @param message - identified model-facing content and its producer provenance.
|
||||
* @param options - target queue and wakeup decision.
|
||||
*/
|
||||
send(message: UserMessage, options: SendOptions): void
|
||||
|
||||
/**
|
||||
* Clear queued and steering work — unless `keepInbox` — and abort the active
|
||||
* turn. An effective call first emits `agent/cancel-requested` with the
|
||||
@@ -541,16 +485,14 @@ interface Agent {
|
||||
whenIdle(): Promise<void>
|
||||
|
||||
/**
|
||||
* Queue an ordinary follow-up turn and wake the driver — the
|
||||
* `next-turn`/wakeup preset of {@link send}. The item becomes the sole
|
||||
* ordinary message of its own turn.
|
||||
* Queue an ordinary follow-up turn and wake the driver. The item becomes the
|
||||
* sole ordinary message of its own turn.
|
||||
* @param message - identified prompt content and its producer provenance.
|
||||
*/
|
||||
followup(message: UserMessage): void
|
||||
|
||||
/**
|
||||
* Submit steering during prompt admission or an open turn — the
|
||||
* `next-step`/wakeup preset of {@link send}. It stages for the next steering
|
||||
* Submit steering during prompt admission or an open turn. It stages for the next steering
|
||||
* checkpoint before a request or stop decision. If the activity fails before
|
||||
* that boundary, the remainder stays staged without waking the agent; retry
|
||||
* or a later prompt takes it. Outside that window steering falls back to a
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
|
||||
# side as of the last confirmed-consistent state. Both languages carry equal authority;
|
||||
# after editing either side, bring the other along and re-record with:
|
||||
# pnpm run verify-translation-pairing --write
|
||||
defensive-patterns.md: c69094db461048f5dbca5f8bdd1fb5581b08a962
|
||||
defensive-patterns.zh.md: eb57f035ad0bd67e62e285d451502d41e4efc2bc
|
||||
# pnpm run verify-translation-pairing --write docs/defensive-patterns.md
|
||||
defensive-patterns.md: 4f256b2db6eee13af52c07e58a5d9d39d71694b8
|
||||
defensive-patterns.zh.md: 4e4c2cab645fcde71b969e1bda5e32b7fd472155
|
||||
|
||||
@@ -10,7 +10,7 @@ A result can be several things at once — a process can time out AND exit 0 bec
|
||||
|
||||
## Honor cross-seam contracts on BOTH sides
|
||||
|
||||
When an interface documents two valid ways to signal something — an adapter may report failure by THROWING from `stream()` or by ending the stream with a `finish {kind:'error'|'aborted'}` chunk — the consumer handles both, not just the one the first implementation used. A library-backed adapter that can't throw mid-stream relies on the in-band path; a loop that only catches throws turns a provider 401 into a normal completed turn. Document the contract where the type is defined; exercise every branch through the real consumer.
|
||||
When an implementation boundary receives several representations of one outcome, normalize them before crossing the public seam. `LlmAdapter.stream()` implementations may throw or emit `finish {kind:'error'|'aborted'}`, but `LlmService.stream()` exposes model-request failures only as terminal finish chunks; middleware and consumer defects remain thrown. This keeps consumers from guessing whether a caught exception came from the provider, a wrapper, chunk logging, or their own assembly. Document the normalized contract where the type is defined; exercise every source form through the real consumer.
|
||||
|
||||
## Async state is not synchronous state
|
||||
|
||||
|
||||
@@ -10,7 +10,7 @@
|
||||
|
||||
## 跨 seam 契约两侧都要遵守
|
||||
|
||||
当一个接口文档记录了两种合法的信号方式时——例如适配器可以通过从 `stream()` 抛出异常来报告失败，也可以通过以 `finish {kind:'error'|'aborted'}` 分片结束流来报告——消费方必须同时处理两种路径，而不是只处理第一个实现恰好使用的那种。依赖库的适配器可能无法在流中途抛出异常，只能走带内路径；如果 agent loop（智能体循环）只捕获抛出的异常，就会把提供方的 401 错误变成一个正常完成的轮次。请在类型定义处记录契约；通过真实消费方测试每个分支。
|
||||
当一个实现边界接收到同一结果的多种表示时，应在跨越公共 seam 前将其规范化。`LlmAdapter.stream()` 的实现可以抛出异常或发出 `finish {kind:'error'|'aborted'}`，但 `LlmService.stream()` 只会通过终止 finish chunk 暴露模型请求失败；middleware 与消费方缺陷仍会抛出。这使消费方不必猜测捕获的异常究竟来自提供方、包装层、chunk 日志记录还是自身组装逻辑。请在类型定义处记录规范化契约；通过真实消费方覆盖每种来源形式。
|
||||
|
||||
## 异步状态不是同步状态
|
||||
|
||||
|
||||
Reference in New Issue
Block a user