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feat(core): make turn cancellation explicit

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This commit is contained in:
Yichen Jiang
2026-07-16 18:12:34 +08:00
parent b1e19d8b69
commit c238992fbb
55 changed files with 884 additions and 383 deletions
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44
docs/cordis-catalog/events.md
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@@ -23,7 +23,7 @@ A fully configured agent and live session were published. Setup is composition-o
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:139`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:206`](../../packages/core/agent/src/types.ts)
### `agent/disposed` — emit
@@ -35,7 +35,7 @@ An agent left the registry; AgentLoop emits this after driver quiescence but bef
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:148`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:215`](../../packages/core/agent/src/types.ts)
### `agent/error` — emit
@@ -47,7 +47,7 @@ A step or turn errored. The loop reports a failure here (plus the logger) even w
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:283`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:357`](../../packages/core/agent/src/types.ts)
### `agent/pre-step` — serial
@@ -59,19 +59,19 @@ Awaited serial checkpoint for session-surface mutation after prompt assembly and
Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:202`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:269`](../../packages/core/agent/src/types.ts)
### `agent/prompt-submit` — waterfall
Allow, rewrite, or block one drained prompt before it becomes a user message. Call `next()` for the unchanged default.
Allow, rewrite, or block one drained prompt before it becomes a user message. Call `next()` for the unchanged default. The signal controls only this turn; listeners may cooperate with it but must not retain it to control another turn.
```ts cordis-catalog
'agent/prompt-submit'(this: Scoped<Agent>, agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise<PromptDecision>): Promise<PromptDecision>
'agent/prompt-submit'(this: Scoped<Agent>, agent: Agent, content: ContentBlock[], source: MessageSource, signal: AbortSignal, next: () => Promise<PromptDecision>): Promise<PromptDecision>
```
Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:212`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:282`](../../packages/core/agent/src/types.ts)
### `agent/queued` — emit
@@ -83,19 +83,19 @@ Detached, frozen content entered the agent's inbox. Source defaults have already
Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:167`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:234`](../../packages/core/agent/src/types.ts)
### `agent/request` — waterfall
Replace the frozen call configuration. Model-visible content must use logged channels; this seam cannot mutate messages. Injection here joins the next request because the current step boundary is already fixed.
```ts cordis-catalog
'agent/request'(this: Scoped<Agent>, agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise<LlmCallConfig>): Promise<LlmCallConfig>
'agent/request'(this: Scoped<Agent>, agent: Agent, turn: number, step: number, config: LlmCallConfig, signal: AbortSignal, next: () => Promise<LlmCallConfig>): Promise<LlmCallConfig>
```
Types: [Agent](../core-data-structures/core.md) · [LlmCallConfig](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:224`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:295`](../../packages/core/agent/src/types.ts)
### `agent/session-prefix` — waterfall
@@ -107,7 +107,7 @@ Compose request-only messages placed before derived history. The frozen result i
Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:239`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:310`](../../packages/core/agent/src/types.ts)
### `agent/session-start` — emit
@@ -119,7 +119,7 @@ The session lifecycle began, once before the first turn. Use `agent.inject()` to
Types: [Agent](../core-data-structures/core.md) · [SessionStartSource](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:180`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:247`](../../packages/core/agent/src/types.ts)
### `agent/status` — emit
@@ -131,43 +131,43 @@ Agent status changed (`idle` ⇄ `running`, or → `disposed`). `send()` does no
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:157`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:224`](../../packages/core/agent/src/types.ts)
### `agent/step-result` — waterfall
Waterfall: post-process the assembled assistant Message before tool dispatch (validation, content rewriting, …).
```ts cordis-catalog
'agent/step-result'(this: Scoped<Agent>, agent: Agent, turn: number, step: number, message: Message, next: () => Promise<Message>): Promise<Message>
'agent/step-result'(this: Scoped<Agent>, agent: Agent, turn: number, step: number, message: Message, signal: AbortSignal, next: () => Promise<Message>): Promise<Message>
```
Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:250`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:322`](../../packages/core/agent/src/types.ts)
### `agent/turn-continuation` — waterfall
Override whether the turn continues. The default continues after tool calls or steering and stops otherwise; a continue reason becomes steering.
```ts cordis-catalog
'agent/turn-continuation'(this: Scoped<Agent>, agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise<ContinuationDecision>): Promise<ContinuationDecision>
'agent/turn-continuation'(this: Scoped<Agent>, agent: Agent, turn: number, defaultDecision: ContinuationDecision, signal: AbortSignal, next: () => Promise<ContinuationDecision>): Promise<ContinuationDecision>
```
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:260`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:333`](../../packages/core/agent/src/types.ts)
### `agent/turn-stop` — serial
Monotonic terminal-stop checkpoint after continuation and steering are folded; a stop remains authoritative through turn close and flush: steering queued in that window is discarded, while ordinary sends survive.
```ts cordis-catalog
'agent/turn-stop'(this: Scoped<Agent>, agent: Agent, turn: number): ContinuationStop | undefined
'agent/turn-stop'(this: Scoped<Agent>, agent: Agent, turn: number, signal: AbortSignal): Promise<ContinuationStop | undefined> | ContinuationStop | undefined
```
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:270`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:344`](../../packages/core/agent/src/types.ts)
## `approval/*`
@@ -325,13 +325,13 @@ Source: [`packages/subagent/subagent/src/index.ts:99`](../../packages/subagent/s
### `system-prompt/assemble` — waterfall
Expert waterfall over the assembled sections, tools, and variables. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): scoped listeners receive only that scope's assemblies. The returned value is authoritative.
Expert waterfall over the assembled sections, tools, and variables. Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): scoped listeners receive only that scope's assemblies. The returned value is authoritative. A supplied signal controls only this explicit assembly request and must not be retained to control later turns.
```ts cordis-catalog
'system-prompt/assemble'(this: Scoped<SystemPrompt>, assembly: PromptAssembly, context: AssembleContext, next: () => Promise<PromptAssembly>): Promise<PromptAssembly>
```
Source: [`packages/core/system-prompt/src/index.ts:27`](../../packages/core/system-prompt/src/index.ts)
Source: [`packages/core/system-prompt/src/index.ts:29`](../../packages/core/system-prompt/src/index.ts)
### `system-prompt/change` — emit
@@ -341,7 +341,7 @@ Emitted when any prompt provider changes. This registry notification is unfilter
'system-prompt/change'(): void
```
Source: [`packages/core/system-prompt/src/index.ts:33`](../../packages/core/system-prompt/src/index.ts)
Source: [`packages/core/system-prompt/src/index.ts:35`](../../packages/core/system-prompt/src/index.ts)
## `tools/*`

2
docs/cordis-catalog/services.md
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@@ -254,7 +254,7 @@ variable(name: string, provider: (context: AssembleContext) => string | undefine
async assemble(context: AssembleContext = {}): Promise<PromptAssembly>
```
Source: [`packages/core/system-prompt/src/index.ts:209`](../../packages/core/system-prompt/src/index.ts)
Source: [`packages/core/system-prompt/src/index.ts:213`](../../packages/core/system-prompt/src/index.ts)
## `ctx.tasks` — `TaskService`