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fix(agent-loop): own queued message input

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This commit is contained in:
Tianyi Cui
2026-07-12 16:54:37 +08:00
parent 7e3d46a3ce
commit a34801df4b
11 changed files with 240 additions and 72 deletions
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28
docs/cordis-catalog/events.md
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@@ -23,7 +23,7 @@ An agent's fully composed scoped world was published in the AgentRegistry. Its s
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:307`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:316`](../../packages/core/agent/src/types.ts)
### `agent/disposed` — emit
@@ -35,7 +35,7 @@ An agent was removed from the registry. The concrete AgentLoop lifecycle emits t
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:322`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:331`](../../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:596`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:608`](../../packages/core/agent/src/types.ts)
### `agent/pre-step` — serial
@@ -61,7 +61,7 @@ Serial (awaited in registration order), not a waterfall: a listener mutates the
Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:428`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:440`](../../packages/core/agent/src/types.ts)
### `agent/prompt-submit` — waterfall
@@ -73,11 +73,11 @@ Waterfall: decide what happens to ONE drained queued message before it becomes a
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:446`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:458`](../../packages/core/agent/src/types.ts)
### `agent/queued` — emit
A message entered the agent's inbox (queued or steering). `source` is the resolved source (defaults applied), not the caller's raw options.
A message entered the agent's inbox (queued or steering). Content and the resolved source are the detached, deeply-frozen values retained by the inbox; the `info` wrapper is frozen too, so one listener cannot rewrite what another listener observes. `source` has defaults applied and is not the caller's raw options.
```ts cordis-catalog
'agent/queued'(this: Scoped<Agent>, agent: Agent, content: ContentBlock[], info: { source: MessageSource; steering: boolean }): void
@@ -85,7 +85,7 @@ A message entered the agent's inbox (queued or steering). `source` is the resolv
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:350`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:362`](../../packages/core/agent/src/types.ts)
### `agent/request` — waterfall
@@ -97,7 +97,7 @@ Waterfall: shape the step's call configuration — model switching, sampling ove
Types: [Agent](../core-data-structures/core.md) · [LlmCallConfig](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:475`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:487`](../../packages/core/agent/src/types.ts)
### `agent/session-prefix` — waterfall
@@ -113,7 +113,7 @@ The seed is a frozen empty list; a contributing listener returns a NEW array —
Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:527`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:539`](../../packages/core/agent/src/types.ts)
### `agent/session-start` — emit
@@ -125,7 +125,7 @@ The agent's session lifecycle began, fired once before its first turn. `source`
Types: [Agent](../core-data-structures/core.md) · [SessionStartSource](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:371`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:383`](../../packages/core/agent/src/types.ts)
### `agent/status` — emit
@@ -137,7 +137,7 @@ Agent status changed (`idle` ⇄ `running`, or → `disposed`). Drive lifecycle
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:336`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:345`](../../packages/core/agent/src/types.ts)
### `agent/step-result` — waterfall
@@ -149,7 +149,7 @@ Waterfall: post-process the assembled assistant Message before tool dispatch (va
Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:542`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:554`](../../packages/core/agent/src/types.ts)
### `agent/turn-continuation` — waterfall
@@ -161,7 +161,7 @@ Waterfall: override the turn-continuation decision via a typed ContinuationDecis
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:560`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:572`](../../packages/core/agent/src/types.ts)
### `agent/turn-stop` — serial
@@ -173,7 +173,7 @@ Serial terminal-stop checkpoint after the ordinary `agent/turn-continuation` wat
Types: [Agent](../core-data-structures/core.md)
Source: [`packages/core/agent/src/types.ts:579`](../../packages/core/agent/src/types.ts)
Source: [`packages/core/agent/src/types.ts:591`](../../packages/core/agent/src/types.ts)
## `approval/*`

13
docs/core-data-structures/core.md
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@@ -267,12 +267,21 @@ interface Agent {
*/
readonly ctx: Context
/** Queue a user message. Starts a turn when idle; otherwise waits for the next turn. */
/**
* Queue a user message. Starts a turn when idle; otherwise waits for the next
* turn. Content and the resolved source are accepted as one detached,
* deeply-frozen lossless-JSON record before notification or enqueue, so
* caller or `agent/queued` listener in-place mutation cannot change later
* log/model input. Throws synchronously when either value is not losslessly
* JSON-serializable; `agent/prompt-submit` may still return an explicit
* replacement.
*/
send(content: ContentBlock[], options?: SendOptions): void
/**
* Steer a running turn: content is injected between steps of the current
* turn. When idle, behaves like {@link send}.
* turn. Uses the same owned-value and synchronous-validation boundary as
* {@link send}; when idle, behaves exactly like that method.
*/
steer(content: ContentBlock[], options?: SendOptions): void

26
docs/event-producer-consumer.md
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@@ -7,19 +7,19 @@ This matrix shows which packages dispatch each harness-owned event and which pac
| Event | Mode | Declared in | Dispatchers | Listeners |
| --- | --- | --- | --- | --- |
| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:307`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`stdio-agent`](../packages/ui/stdio-agent) |
| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:322`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`stdio-agent`](../packages/ui/stdio-agent) |
| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:596`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - |
| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:428`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`user-approval`](../packages/ui/user-approval) |
| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:446`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) |
| `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:350`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - |
| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:475`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:527`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill) |
| `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:371`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`invariants`](../packages/support/invariants) |
| `agent/status` | `emit` | [`packages/core/agent/src/types.ts:336`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) |
| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:542`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:560`](../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) |
| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:579`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`strictSerial (serial)`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) |
| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:316`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`stdio-agent`](../packages/ui/stdio-agent) |
| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:331`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`stdio-agent`](../packages/ui/stdio-agent) |
| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:608`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - |
| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:440`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`user-approval`](../packages/ui/user-approval) |
| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:458`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) |
| `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:362`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - |
| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:487`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:539`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill) |
| `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:383`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`invariants`](../packages/support/invariants) |
| `agent/status` | `emit` | [`packages/core/agent/src/types.ts:345`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) |
| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:554`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:572`](../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) |
| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:591`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`strictSerial (serial)`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess) |
| `approval/request` | `waterfall` | [`packages/ui/user-approval/src/index.ts:72`](../packages/ui/user-approval/src/index.ts) | [`user-approval`](../packages/ui/user-approval) (`waterfall`) | [`acp`](../packages/ui/acp) |
| `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:123`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) |
| `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:138`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) |

3
docs/rfc/implemented/architecture/2026-07-12-agent-scope-runtime-design.md
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@@ -419,6 +419,7 @@ Capture does not imply uniform eager callback type-checking. Agent `setup` is ca
|---|---|---|
| Tool and `SubagentProvider` registration | Original callback receiver | Name, flags, schemas, scalar config |
| Agent create/resume | Caller context, setup callback | IDs, options, session metadata and seed |
| Agent send/steer | None | Content blocks and resolved message source |
| Approval request | Agent and abort signal | Tool name, call ID, and reason |
| Tool execution | Agent, signal, registry-minted parent token | Call identity and arguments |
| Session append/load | Session identity | Header and event envelopes |
@@ -426,6 +427,8 @@ Capture does not imply uniform eager callback type-checking. Agent `setup` is ca
Before agent setup can run, the concrete agent pins its accepted ID, options, and session and binds `ctx` once. Registry detach closures likewise close over their accepted keys instead of rereading mutable public fields.
`send()` and running `steer()` resolve the message source once and materialize `{ content, source }` as one detached, deeply frozen lossless-JSON record before `agent/queued` or inbox insertion. The notification and FIFO share that accepted content and source; its metadata wrapper is frozen separately, so neither retained caller references nor an earlier notification listener can rewrite what a later listener, the session log, or the model sees. Invalid content or source throws synchronously without notification, enqueue, or loop wakeup; idle `steer()` delegates to the same `send()` boundary. The later `agent/prompt-submit` waterfall can still replace a queued prompt by returning new content; ownership forbids in-place mutation, not the explicit rewrite protocol.
A stateful getter shows why validation and ownership must use the same capture:
```js