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refactor(agent-loop): simplify message machine

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_Kerman
2026-07-30 13:49:57 +08:00
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178
docs/cordis-catalog/events.md
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@@ -13,27 +13,6 @@ Dispatch modes: **emit** (fire-and-forget), **waterfall** (each listener gets `n
## `agent/*`
### `agent/cancel-requested` — emit
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.
```ts cordis-catalog
/**
* 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.
* @param agent - the agent whose current work is being cancelled.
* @param cause - the explicit typed cancellation cause.
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
* @mode emit
*/
'agent/cancel-requested'(this: Scoped<Agent>, agent: Agent, cause: AgentCancelCause): void
```
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:286`](../../packages/core/agent/src/types.ts)
### `agent/created` — emit
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.
@@ -54,7 +33,7 @@ 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:218`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:148`](../../packages/core/agent/src/types.ts)
### `agent/disposed` — emit
@@ -74,7 +53,7 @@ An agent left the registry; AgentLoop emits this after driver quiescence and sco
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
Source: [`packages/core/agent/src/types.ts:227`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:157`](../../packages/core/agent/src/types.ts)
### `agent/error` — emit
@@ -96,98 +75,70 @@ A step or turn errored. The machine reports a failure here (plus the logger) eve
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
Source: [`packages/core/agent/src/types.ts:400`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:276`](../../packages/core/agent/src/types.ts)
### `agent/inbox/dequeue` — emit
### `agent/inbox/admitted` — 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.
The driver admitted one inbox item for model-visible history.
```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.
* The driver admitted one inbox item for model-visible history.
* @param agent - the agent whose inbox item was claimed.
* @param message - the claimed message.
* @param placement - the FIFO that claimed this occurrence; together with
* `message.id`, it matches the earliest outstanding enqueue in that FIFO.
* @param message - the admitted message.
* 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: UserMessage, placement: InboxPlacement, ): void
```
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)
Source: [`packages/core/agent/src/types.ts:259`](../../packages/core/agent/src/types.ts)
### `agent/inbox/discard` — emit
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.
```ts cordis-catalog
/**
* 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.
* @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: UserMessage[]): void
'agent/inbox/admitted'(this: Scoped<Agent>, agent: Agent, message: UserMessage): void
```
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [UserMessage](../core-data-structures/session.md)
Source: [`packages/core/agent/src/types.ts:276`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:175`](../../packages/core/agent/src/types.ts)
### `agent/inbox/enqueue` — emit
### `agent/inbox/canceled` — emit
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.
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.
```ts cordis-catalog
/**
* 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.
* @param agent - the owning agent.
* @param message - accepted content, source, and correlation identity.
* @param placement - resolved queued or steering placement.
* 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.
* @param agent - the agent whose inbox items were dropped.
* @param message - the dropped message.
* 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: UserMessage, placement: InboxPlacement): void
'agent/inbox/canceled'(this: Scoped<Agent>, agent: Agent, message: UserMessage): void
```
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)
Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [UserMessage](../core-data-structures/session.md)
Source: [`packages/core/agent/src/types.ts:247`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:185`](../../packages/core/agent/src/types.ts)
### `agent/prompt-submit` — waterfall
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.
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.
```ts cordis-catalog
/**
* Allow, rewrite, or block one claimed prompt before it becomes a user
* message or opens a turn. Call `next()` for the unchanged default. The
* 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.
* @param agent - the agent whose turn claimed the message.
* @param message - the frozen claimed message, including identity and source.
* @param agent - the agent whose driver claimed the batch.
* @param messages - the claimed messages.
* @param signal - the current turn's explicit abort signal.
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
* @mode waterfall
*/
'agent/prompt-submit'(this: Scoped<Agent>, agent: Agent, message: UserMessage, signal: AbortSignal, next: () => Promise<PromptDecision>): Promise<PromptDecision>
'agent/prompt-submit'(this: Scoped<Agent>, agent: Agent, messages: UserMessage[], signal: AbortSignal, next: () => Promise<PromptDecision>): Promise<PromptDecision>
```
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)
Source: [`packages/core/agent/src/types.ts:313`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:211`](../../packages/core/agent/src/types.ts)
### `agent/request` — waterfall
@@ -211,37 +162,30 @@ Replace the frozen call configuration. `await next()` yields the config the mach
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:339`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:237`](../../packages/core/agent/src/types.ts)
### `agent/request-error` — waterfall
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.
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.
```ts cordis-catalog
/**
* 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.
* 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.
* @param agent - the agent whose request failed.
* @param turn - the open turn number.
* @param step - the failed step number.
* @param error - the original model-request failure.
* @param failure - serializable facts normalized at the final adapter boundary.
* @param priorFailures - immutable failures that already authorized another
* retry turn in this consecutive sequence.
* @param retryPolicy - immutable policy of the adapter registration that served
* the failed request, or `undefined` if no final adapter served it.
* @param context - request coordinates, provider, normalized failure, and serving policy.
* @param signal - the turn abort signal.
* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): agent-scoped listeners receive only that agent.
* @mode waterfall
*/
'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>
'agent/request-error'(this: Scoped<Agent>, agent: Agent, context: RequestFailureContext, signal: AbortSignal, next: () => Promise<RequestErrorAction>): Promise<RequestErrorAction>
```
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/*`

20
docs/cordis-catalog/services.md
View File

@@ -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`