feat(agent): unify send(target × wakeup), coalesce context/message into user/message
Replace send/steer/inject with one Agent.send primitive over the (target × wakeup) matrix; followup/steer/inject become fixed-preset alias methods on the now-abstract Agent class. Coalesce context/message into user/message (injected context is a non-user source). Replace agent/queued with agent/inbox/enqueue/dequeue/discard, add cancel keepInbox, and add a FIFO-conservation invariant.
This commit is contained in:
Turtle
@@ -18,7 +18,7 @@ sequenceDiagram
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participant Persistence
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participant SDK as UI or SDK listener
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User->>Agent: send(content)
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Agent-->>SDK: <code>agent/queued</code>
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Agent-->>SDK: <code>agent/inbox/enqueue</code>
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Agent->>Driver: queued work wakes driver
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Driver-->>SDK: <code>agent/status</code> running
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Driver->>Session: <code>turn/start</code>
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@@ -32,7 +32,7 @@ Effective broad cancellation was requested, before queued/steering work is clear
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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:217`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:329`](../../packages/core/agent/src/types.ts)
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### `agent/created` — emit
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@@ -54,7 +54,7 @@ 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:179`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:269`](../../packages/core/agent/src/types.ts)
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### `agent/disposed` — emit
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@@ -74,7 +74,7 @@ An agent left the registry; AgentLoop emits this after driver quiescence but bef
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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:188`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:278`](../../packages/core/agent/src/types.ts)
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### `agent/error` — emit
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@@ -96,7 +96,72 @@ A step or turn errored. The loop reports a failure here (plus the logger) even w
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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:365`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:477`](../../packages/core/agent/src/types.ts)
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### `agent/inbox/dequeue` — 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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```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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* @param agent - the agent whose inbox item was claimed.
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* @param info - the claimed item's accepted content, source, contexts, steering, and wakeup facts.
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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, info: InboxItemInfo): void
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```
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Types: [Agent](../core-data-structures/core.md) · [InboxItemInfo](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:309`](../../packages/core/agent/src/types.ts)
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### `agent/inbox/discard` — emit
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`cancel()` (without `keepInbox`) dropped pending inbox items without delivering them. Fires once per effective clearing call with every discarded item, after `agent/cancel-requested` and before the abort.
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```ts cordis-catalog
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/**
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* `cancel()` (without `keepInbox`) dropped pending inbox items without
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* delivering them. Fires once per effective clearing call with every
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* discarded item, after `agent/cancel-requested` and before the abort.
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* @param agent - the agent whose inbox was cleared.
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* @param items - the discarded items in FIFO order (queued then steering); empty when nothing was pending.
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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, items: InboxItemInfo[]): void
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```
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Types: [Agent](../core-data-structures/core.md) · [InboxItemInfo](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:319`](../../packages/core/agent/src/types.ts)
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### `agent/inbox/enqueue` — emit
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A detached, frozen item entered the agent's inbox (queued or steering FIFO). Source defaults are already applied, so `info` holds the exact accepted values. This is the enqueue-time live signal; the durable record is the eventual `user/message`/`steering/message`. Injection (`next-step`/no-wakeup) bypasses the FIFOs and does not emit this.
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```ts cordis-catalog
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/**
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* A detached, frozen item entered the agent's inbox (queued or steering
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* FIFO). Source defaults are already applied, so `info` holds the exact
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* accepted values. This is the enqueue-time live signal; the durable record
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* is the eventual `user/message`/`steering/message`. Injection
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* (`next-step`/no-wakeup) bypasses the FIFOs and does not emit this.
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* @param agent - the agent whose inbox received the item.
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* @param info - the accepted content, source, contexts, steering, and wakeup facts.
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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, info: InboxItemInfo): void
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```
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Types: [Agent](../core-data-structures/core.md) · [InboxItemInfo](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:299`](../../packages/core/agent/src/types.ts)
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### `agent/post-step` — serial
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@@ -119,7 +184,7 @@ Awaited serial checkpoint after the response, real or synthetic tool results, in
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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:315`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:427`](../../packages/core/agent/src/types.ts)
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### `agent/pre-step` — serial
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@@ -142,7 +207,7 @@ Awaited serial checkpoint before `step/start`; appends land outside the pending
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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:246`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:358`](../../packages/core/agent/src/types.ts)
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### `agent/prompt-submit` — waterfall
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@@ -169,28 +234,7 @@ Allow, rewrite, or block one claimed prompt before it becomes a user message. Ca
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Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) · [PromptDecision](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:262`](../../packages/core/agent/src/types.ts)
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### `agent/queued` — emit
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Detached, frozen content entered the agent's inbox. Source defaults have already been applied, so these are the exact values retained for the log.
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```ts cordis-catalog
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/**
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* Detached, frozen content entered the agent's inbox. Source defaults have
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* already been applied, so these are the exact values retained for the log.
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* @param agent - the agent whose inbox received the message.
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* @param content - the accepted content blocks retained by the inbox.
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* @param info - the accepted source, contexts, and whether it entered as steering.
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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/queued'(this: Scoped<Agent>, agent: Agent, content: ContentBlock[], info: { source: MessageSource; contexts: HookContext[]; steering: boolean }): void
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```
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Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [HookContext](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:207`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:374`](../../packages/core/agent/src/types.ts)
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### `agent/request` — waterfall
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@@ -215,7 +259,7 @@ Replace the frozen call configuration. Model-visible content must use logged cha
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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:276`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:388`](../../packages/core/agent/src/types.ts)
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### `agent/request-error` — waterfall
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@@ -241,7 +285,7 @@ Recover a model-request failure after its failed step has closed. `retry` opens
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Types: [Agent](../core-data-structures/core.md) · [LlmFailure](../core-data-structures/llm-streaming.md) · [RequestError](../core-data-structures/core.md) · [RequestErrorDecision](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:330`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:442`](../../packages/core/agent/src/types.ts)
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### `agent/session-prefix` — waterfall
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@@ -267,7 +311,7 @@ Compose request-only messages placed before derived history. The frozen result i
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Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:291`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:403`](../../packages/core/agent/src/types.ts)
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### `agent/session-start` — emit
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@@ -289,7 +333,7 @@ The session lifecycle began, once before the first turn. Use `agent.inject()` to
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Types: [Agent](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md) · [SessionStartSource](../core-data-structures/core.md)
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Source: [`packages/core/agent/src/types.ts:230`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:342`](../../packages/core/agent/src/types.ts)
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### `agent/status` — emit
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@@ -309,7 +353,7 @@ Agent status changed (`idle` ⇄ `running`, or → `disposed`). `send()` does no
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Types: [Agent](../core-data-structures/core.md) · [AgentStatus](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:197`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:287`](../../packages/core/agent/src/types.ts)
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### `agent/step-result` — waterfall
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@@ -332,7 +376,7 @@ Waterfall: post-process the assembled assistant Message before tool dispatch (va
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Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:303`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:415`](../../packages/core/agent/src/types.ts)
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### `agent/turn-continuation` — waterfall
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@@ -354,7 +398,7 @@ Override whether the turn continues. The default continues after tool calls or s
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Types: [Agent](../core-data-structures/core.md) · [ContinuationDecision](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:341`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:453`](../../packages/core/agent/src/types.ts)
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### `agent/turn-stop` — serial
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@@ -376,7 +420,7 @@ Monotonic terminal-stop checkpoint after continuation and steering are folded; a
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Types: [Agent](../core-data-structures/core.md) · [ContinuationStop](../core-data-structures/core.md) · [Scoped](../core-data-structures/scope.md)
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Source: [`packages/core/agent/src/types.ts:352`](../../packages/core/agent/src/types.ts)
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Source: [`packages/core/agent/src/types.ts:464`](../../packages/core/agent/src/types.ts)
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## `agent-loop/*`
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@@ -1173,7 +1173,7 @@ fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId):
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Types: [CreateSessionOptions](../core-data-structures/persistence.md) · [OutOfBandSessionEventType](../core-data-structures/session.md) · [Session](../core-data-structures/session.md) · [SessionEvent](../core-data-structures/core.md) · [SessionEventMap](../core-data-structures/session.md) · [SessionId](../core-data-structures/core.md) · [TurnTrigger](../core-data-structures/session.md)
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Source: [`packages/core/session/src/index.ts:605`](../../packages/core/session/src/index.ts)
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Source: [`packages/core/session/src/index.ts:604`](../../packages/core/session/src/index.ts)
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## `ctx.sessionTitle` — `SessionTitleService`
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@@ -323,7 +323,7 @@ Source: [`packages/core/session/src/types.ts`](../../packages/core/session/src/t
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*
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* The {@link sourceEventSeqs} and {@link surfaceOp} fields are conditional:
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* they only exist on {@link SurfaceEventType} variants (`user/message`,
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* `assistant/message`, `tool/result`, `context/message`, `steering/message`).
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* `assistant/message`, `tool/result`, `steering/message`).
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* Non-surface events (boundary markers, chunks, usage, errors) never carry
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* surface metadata — the compiler enforces this at `Session.append()`
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* call sites.
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@@ -351,7 +351,7 @@ type SessionEvent<T extends SessionEventType = SessionEventType> = {
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}[T]
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```
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The fourteen event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, `user/message`, `prompt/blocked`, `context/message`, `assistant/chunk`, `assistant/message`, `tool/call`, `tool/result`, `steering/message`, `todo/write`, `request/header`), the `deriveMessages()` projection rules, the `TurnTrigger`/`TurnEndReason` reasons, and the turn-enclosure invariant are on **[session.md](session.md)**. How the log is made durable — the `SessionPersistence` seam, JSONL/SQLite backends, the `session/flush` checkpoint, crash recovery, and `SessionHeader` — is on **[persistence.md](persistence.md)**.
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The thirteen event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, `user/message`, `prompt/blocked`, `assistant/chunk`, `assistant/message`, `tool/call`, `tool/result`, `steering/message`, `todo/write`, `request/header`), the `deriveMessages()` projection rules, the `TurnTrigger`/`TurnEndReason` reasons, and the turn-enclosure invariant are on **[session.md](session.md)**. How the log is made durable — the `SessionPersistence` seam, JSONL/SQLite backends, the `session/flush` checkpoint, crash recovery, and `SessionHeader` — is on **[persistence.md](persistence.md)**.
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## The agent handle
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@@ -361,10 +361,35 @@ Source: [`packages/core/agent/src/types.ts`](../../packages/core/agent/src/types
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```ts type-equiv
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/**
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* Message options. An omitted source attests direct human input as `{ kind: 'user' }`
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* and may authorize policy consumers, so non-human producers must label their content.
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* Which inbox queue a {@link Agent.send} item joins:
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* - `next-turn` — the item becomes its own turn, claimed at a turn boundary.
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* - `next-step` — the item joins the active turn between steps as steering,
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* or, when no turn is active, is promoted per its `wakeup` flag.
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*/
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type SendTarget = 'next-turn' | 'next-step'
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```
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```ts type-equiv
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/**
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* Options for the unified {@link Agent.send} primitive over the
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* (`target` × `wakeup`) matrix. Named presets: {@link Agent.followup}
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* (`next-turn`/wakeup), {@link Agent.steer} (`next-step`/wakeup), and
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* {@link Agent.inject} (`next-step`/no-wakeup).
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*
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* An omitted source attests direct human input as `{ kind: 'user' }` and may
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* authorize policy consumers, so non-human producers must label their content.
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*/
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interface SendOptions {
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/** Queue the item joins; defaults to `next-turn`. */
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target?: SendTarget
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/**
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* Whether this item makes the model run: wake a parked driver (`next-turn`)
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* or force a continuation step (`next-step` while running). Defaults to
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* `true`. A `false` `next-turn` item queues without waking; a `false`
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* `next-step` item attaches durable context without forcing another step
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* (the injection preset).
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*/
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wakeup?: boolean
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source?: MessageSource
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/**
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* Model-facing contexts captured with this inbox item. A queued prompt exposes
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@@ -372,16 +397,47 @@ interface SendOptions {
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* records them directly at its next checkpoint.
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*/
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contexts?: HookContext[]
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/** Opaque JSON state retained on the durable message but hidden from the model. */
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meta?: JsonValue
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}
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```
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`InjectOptions` accepts ordinary message attribution and durable model-hidden JSON metadata. Attached contexts belong only to queued or steering input, so synthetic injection cannot accept them:
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The fixed-preset aliases own `target` and `wakeup`, so they accept only the remaining fields:
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|
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```ts type-equiv
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/** Options specific to durable synthetic context injection. */
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interface InjectOptions extends Omit<SendOptions, 'contexts'> {
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/** Opaque JSON state retained in the session event but hidden from the model. */
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meta?: JsonValue
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/** Options accepted by the fixed-preset aliases, which own `target` and `wakeup`. */
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type AliasSendOptions = Omit<SendOptions, 'target' | 'wakeup'>
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```
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The `agent/inbox/*` live events carry the resolved facts of one FIFO item; injection bypasses the FIFOs and never appears on them:
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|
||||
```ts type-equiv
|
||||
/**
|
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* The resolved facts of one inbox FIFO item, carried by the `agent/inbox/*`
|
||||
* live events. Source defaults are already applied, so these are the exact
|
||||
* values the item was accepted with. `steering` is true for a `next-step`
|
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* item drained between steps; a `next-turn` item is claimed at a turn boundary.
|
||||
*/
|
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interface InboxItemInfo {
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content: ContentBlock[]
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source: MessageSource
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contexts: HookContext[]
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/** Whether the item joined the steering FIFO (`next-step`) rather than the queued FIFO. */
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steering: boolean
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/** Whether the item is marked to wake the driver or force a continuation. */
|
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wakeup: boolean
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}
|
||||
```
|
||||
|
||||
```ts type-equiv
|
||||
/** Options for {@link Agent.cancel}. */
|
||||
interface CancelOptions {
|
||||
/**
|
||||
* Preserve queued and steering inbox items instead of discarding them. The
|
||||
* active turn is still aborted, but un-started and pending work survives for a
|
||||
* later turn and no `agent/inbox/discard` fires.
|
||||
*/
|
||||
keepInbox?: boolean
|
||||
}
|
||||
```
|
||||
|
||||
@@ -392,59 +448,103 @@ type AgentCancelCause =
|
||||
| { readonly kind: 'parent' }
|
||||
```
|
||||
|
||||
`Agent` is an abstract class: concrete drivers implement the abstract members, while `followup`/`steer`/`inject` are shared concrete delegates to the single abstract `send` over the (`target` × `wakeup`) matrix.
|
||||
|
||||
```ts type-equiv
|
||||
/** Public agent handle; its concrete implementation is internal to `@deepseek-ai/dsh-agent-loop`. */
|
||||
interface Agent {
|
||||
/**
|
||||
* Public agent handle; its concrete implementation is internal to
|
||||
* `@deepseek-ai/dsh-agent-loop`. An abstract class rather than an interface so
|
||||
* the fixed-preset aliases ({@link Agent.followup}, {@link Agent.steer},
|
||||
* {@link Agent.inject}) are shared concrete delegates over the single abstract
|
||||
* {@link Agent.send} primitive; concrete drivers implement `send` once.
|
||||
*/
|
||||
abstract class Agent {
|
||||
/** The single identity shared with {@link session}. */
|
||||
readonly id: SessionId
|
||||
readonly options: AgentOptions
|
||||
readonly session: Session
|
||||
readonly status: AgentStatus
|
||||
abstract readonly id: SessionId
|
||||
/** The provider route and model this agent's requests use. */
|
||||
abstract readonly options: AgentOptions
|
||||
/** The live session this agent drives; its log is the durable source of truth. */
|
||||
abstract readonly session: Session
|
||||
/** The current lifecycle state, mirrored on every `agent/status` transition. */
|
||||
abstract readonly status: AgentStatus
|
||||
/** Agent-scoped context; its contributions are agent-local, unwind on disposal, and reject registration afterward. */
|
||||
readonly ctx: Context
|
||||
abstract readonly ctx: Context
|
||||
|
||||
/**
|
||||
* Queue one detached, frozen lossless-JSON item. If claimed, it is the sole
|
||||
* ordinary message in its FIFO-ordered turn; the next claimed item waits for
|
||||
* that turn's checkpoint.
|
||||
* The unified delivery primitive over the (`target` × `wakeup`) matrix.
|
||||
* Detaches, validates, and freezes one lossless-JSON item, then routes it:
|
||||
*
|
||||
* - `next-turn` (default) queues an item that becomes the sole ordinary
|
||||
* message of its own FIFO-ordered turn; `wakeup` (default `true`) wakes a
|
||||
* parked driver, while `wakeup:false` queues without waking.
|
||||
* - `next-step` with `wakeup:true` submits steering into the active turn
|
||||
* (idle falls back to a woken `next-turn`).
|
||||
* - `next-step` with `wakeup:false` injects durable model-facing context
|
||||
* without running the model: an open turn joins at the current log position
|
||||
* (deferred behind an executing tool batch until it settles), and an idle
|
||||
* inject records a one-shot turn with its own durability checkpoint.
|
||||
*
|
||||
* Attached contexts share the same snapshot and ownership boundary. Invalid
|
||||
* input throws synchronously before notification or enqueue.
|
||||
* input throws synchronously before any notification, enqueue, or append.
|
||||
* @param content - the model-facing content blocks to deliver.
|
||||
* @param options - target queue, wakeup decision, source, contexts, and meta.
|
||||
*/
|
||||
send(content: ContentBlock[], options?: SendOptions): void
|
||||
abstract send(content: ContentBlock[], options?: SendOptions): void
|
||||
|
||||
/**
|
||||
* Submit steering while the agent is `running`. An open turn records it at
|
||||
* the next steering checkpoint before a request or continuation decision;
|
||||
* policy may stop before another step. After turn close and its checkpoint,
|
||||
* any remainder is queued for a later turn; terminal `agent/turn-stop`,
|
||||
* cancellation, or disposal may discard it. Uses the same synchronous
|
||||
* snapshot-and-validation boundary as {@link send}; when idle, delegates to it.
|
||||
*/
|
||||
steer(content: ContentBlock[], options?: SendOptions): void
|
||||
|
||||
/**
|
||||
* Append detached model-facing context without running the model. An open-turn
|
||||
* injection joins at the current log position unless the current tool batch is
|
||||
* executing; then it waits FIFO until that batch settles and drains before turn
|
||||
* close even when interrupted. Idle injection uses a one-shot turn and durability
|
||||
* checkpoint. Disposal awaits idle checkpoints; flush failures report through `agent/error`.
|
||||
*/
|
||||
inject(content: ContentBlock[], options?: InjectOptions): void
|
||||
|
||||
/**
|
||||
* Clear all queued and steering work, including items waiting to start, and
|
||||
* abort the active turn. An effective call first emits
|
||||
* `agent/cancel-requested` with the resolved typed cause. The first cause wins
|
||||
* for the active turn, and `whenIdle()` resolves after cancellation reaches
|
||||
* quiescence. Omission means `{ kind: 'user' }`. Idle cancellation is a no-op
|
||||
* and does not arm later work. The active turn snapshots and freezes the cause.
|
||||
* Clear queued and steering work — unless `keepInbox` — and abort the active
|
||||
* turn. An effective call first emits `agent/cancel-requested` with the
|
||||
* resolved typed cause. The first cause wins for the active turn, and
|
||||
* `whenIdle()` resolves after cancellation reaches quiescence. Omitted cause
|
||||
* means `{ kind: 'user' }`. Idle cancellation is a no-op and does not arm
|
||||
* later work. The active turn snapshots and freezes the cause.
|
||||
* @param cause - the stable caller intent carried by the current turn signal.
|
||||
* @param options - cancellation options; `keepInbox` preserves pending work.
|
||||
*/
|
||||
cancel(cause?: AgentCancelCause): void
|
||||
abstract cancel(cause?: AgentCancelCause, options?: CancelOptions): void
|
||||
|
||||
/** Resolve at idle quiescence; disposal waits for driver exit rather than only the status transition. */
|
||||
whenIdle(): Promise<void>
|
||||
abstract 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.
|
||||
* @param content - the prompt content blocks.
|
||||
* @param options - source and attached contexts.
|
||||
*/
|
||||
followup(content: ContentBlock[], options?: AliasSendOptions): void {
|
||||
this.send(content, { ...options, target: 'next-turn', wakeup: true })
|
||||
}
|
||||
|
||||
/**
|
||||
* Submit steering into the running turn — the `next-step`/wakeup preset of
|
||||
* {@link send}. An open turn records it at the next steering checkpoint before
|
||||
* a request or continuation decision; policy may stop before another step.
|
||||
* After turn close and its checkpoint, any remainder is queued for a later
|
||||
* turn; terminal `agent/turn-stop`, cancellation, or disposal may discard it.
|
||||
* Idle steering falls back to a woken follow-up turn.
|
||||
* @param content - the steering content blocks.
|
||||
* @param options - source and attached contexts.
|
||||
*/
|
||||
steer(content: ContentBlock[], options?: AliasSendOptions): void {
|
||||
this.send(content, { ...options, target: 'next-step', wakeup: true })
|
||||
}
|
||||
|
||||
/**
|
||||
* Append detached model-facing context without running the model — the
|
||||
* `next-step`/no-wakeup preset of {@link send}. An open-turn injection joins
|
||||
* at the current log position unless the current tool batch is executing;
|
||||
* then it waits FIFO until that batch settles and drains before turn close
|
||||
* even when interrupted. Idle injection uses a one-shot turn and durability
|
||||
* checkpoint. Disposal awaits idle checkpoints; flush failures report through
|
||||
* `agent/error`. An omitted source defaults to `{ kind: 'plugin', plugin: '' }`.
|
||||
* @param content - the injected context content blocks.
|
||||
* @param options - source and durable model-hidden meta.
|
||||
*/
|
||||
inject(content: ContentBlock[], options?: AliasSendOptions): void {
|
||||
this.send(content, { ...options, target: 'next-step', wakeup: false })
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
@@ -460,7 +560,7 @@ The process-local initiator carried by `ctx.agents` is the exact `Agent` above,
|
||||
|
||||
## Interception decisions
|
||||
|
||||
Each `agent/*` interception waterfall returns a small, seam-specific typed union — the unified Decision idiom (the tool seams' `PreToolDecision`/`PostToolDecision` in [tools.md](tools.md) follow the same shape). A CC/Codex hook bridge maps its `permissionDecision`/`decision`/`continue`/`additionalContext` fields onto these; a native plugin returns them directly. Prompt and post-tool decisions share one model-facing context shape, `HookContext`, which carries a REQUIRED `source` (a missing source would default to `{kind:'user'}` and mislabel plugin context as a user prompt). Its `content` reaches the model verbatim as user-role input, while JSON `meta` persists plugin state without exposing it to the model. Absent or `separate` placement becomes `context/message`; `prompt-prefix` placement is available to prompt and steering inbox attachments and bakes the context before the effective request in the same message. Both decisions carry `additionalContexts[]` so every entry preserves its own provenance, metadata, and placement. Continuation reasons are steering messages instead and deliberately use the narrower content/source shape.
|
||||
Each `agent/*` interception waterfall returns a small, seam-specific typed union — the unified Decision idiom (the tool seams' `PreToolDecision`/`PostToolDecision` in [tools.md](tools.md) follow the same shape). A CC/Codex hook bridge maps its `permissionDecision`/`decision`/`continue`/`additionalContext` fields onto these; a native plugin returns them directly. Prompt and post-tool decisions share one model-facing context shape, `HookContext`, which carries a REQUIRED `source` (a missing source would default to `{kind:'user'}` and mislabel plugin context as a user prompt). Its `content` reaches the model verbatim as user-role input, while JSON `meta` persists plugin state without exposing it to the model. Absent or `separate` placement becomes an injected `user/message` (plugin/goal source); `prompt-prefix` placement is available to prompt and steering inbox attachments and bakes the context before the effective request in the same message. Both decisions carry `additionalContexts[]` so every entry preserves its own provenance, metadata, and placement. Continuation reasons are steering messages instead and deliberately use the narrower content/source shape.
|
||||
|
||||
Source: [`packages/core/agent/src/types.ts`](../../packages/core/agent/src/types.ts)
|
||||
|
||||
@@ -470,8 +570,8 @@ interface HookContext {
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
/**
|
||||
* Model placement. Absent or `separate` records an independent
|
||||
* `context/message`; `prompt-prefix` prepends this context and a stable
|
||||
* Model placement. Absent or `separate` records an independent injected
|
||||
* `user/message`; `prompt-prefix` prepends this context and a stable
|
||||
* request delimiter to the same user-role message as its attached prompt.
|
||||
*/
|
||||
placement?: 'separate' | 'prompt-prefix'
|
||||
|
||||
@@ -69,7 +69,7 @@ interface GoalView extends GoalSnapshot {
|
||||
|
||||
## Durable changes
|
||||
|
||||
Every mutation is a `context/message` whose metadata is either a complete snapshot or a clear tombstone. The version, metadata, goal source, and verbatim rendered content form one replay invariant.
|
||||
Every mutation is a round-zero goal-sourced `user/message` whose metadata is either a complete snapshot or a clear tombstone. The version, metadata, goal source, and verbatim rendered content form one replay invariant.
|
||||
|
||||
```ts type-equiv
|
||||
/** Full-snapshot goal mutation retained in a model-visible context event. */
|
||||
|
||||
@@ -9,7 +9,13 @@ Source: [`packages/core/session/src/types.ts`](../../packages/core/session/src/t
|
||||
The append-only event types. Merge-extensible: a plugin declares extra event types via declaration merging — e.g. the [compaction seam](compaction.md) adds `compact/start` / `compact/summary` / `compact/end`, and `@deepseek-ai/dsh-hook-protocol` adds log-only `hook/invoked` / `hook/result` provenance for a hook bridge. Like `compact/*`, these are NOT `SurfaceEventType`s (no `surfaceOp`). The generated [persistence log event catalog](../persistence-catalog.md) enumerates every member — core and merged — with its payload, surface badge, and declaration site.
|
||||
|
||||
```ts type-equiv
|
||||
/** Shared payload for ordinary and steering prompt messages. */
|
||||
/**
|
||||
* Shared payload for user, injected-context, and steering prompt messages. A
|
||||
* direct human prompt, a synthetic `agent.inject()` context, and mid-turn
|
||||
* steering all project into the model transcript as verbatim user-role content;
|
||||
* they are told apart by `source` (a non-`user` kind marks injected context),
|
||||
* not by event type. `meta` carries durable model-hidden producer state.
|
||||
*/
|
||||
interface PromptMessageData {
|
||||
/** Exact model-facing blocks, including any baked prompt-prefix contexts. */
|
||||
content: ContentBlock[]
|
||||
@@ -17,6 +23,15 @@ interface PromptMessageData {
|
||||
source: MessageSource
|
||||
/** Present only when prompt-prefix contexts were baked into `content`. */
|
||||
envelope?: PromptMessageEnvelope
|
||||
/**
|
||||
* Opaque durable JSON state retained on the event but hidden from the model
|
||||
* projection. It is the intended channel for a future framing directive (a
|
||||
* producer declares the frame, a dedicated renderer applies it — see the
|
||||
* deferred note in
|
||||
* ../../../../.agents/notes/implemented/simplification/2026-07-20-unwrap-injected-content-envelopes.md),
|
||||
* so the surface keeps projecting `content` verbatim rather than wrapping it.
|
||||
*/
|
||||
meta?: JsonValue
|
||||
}
|
||||
```
|
||||
|
||||
@@ -46,29 +61,21 @@ interface SessionEventMap {
|
||||
'step/start': { turn: number; step: number }
|
||||
/** Closes step `step` of turn `turn`. */
|
||||
'step/end': { turn: number; step: number }
|
||||
/** A user-visible prompt (the queued message claimed for this turn). */
|
||||
/**
|
||||
* A user-role message on the model-visible surface: a direct human prompt
|
||||
* (the queued message claimed for this turn), a synthetic `agent.inject()`
|
||||
* context (file-change notices, subdir AGENTS.md, skill content, cron
|
||||
* notifications, …), or an admitted goal continuation round. All three
|
||||
* project their `content` verbatim; `source` (with a non-`user` kind marking
|
||||
* injected context) is the only channel that tells them apart. An idle
|
||||
* injection wraps this event in a one-shot turn so the log stays turn-enclosed.
|
||||
*/
|
||||
'user/message': PromptMessageData
|
||||
/**
|
||||
* Durable record of a prompt veto and its reason. It is log-only: the blocked
|
||||
* prompt never enters the model-visible surface, and its turn runs zero steps.
|
||||
*/
|
||||
'prompt/blocked': { content: ContentBlock[]; source: MessageSource; reason: string }
|
||||
/**
|
||||
* In-session context injection (file-change notices, subdir AGENTS.md,
|
||||
* skill content, cron notifications, …). Rendered into the derived history
|
||||
* as a synthetic user-role message carrying `content` verbatim — NOT a
|
||||
* user prompt. `meta` is durable JSON state omitted from the model
|
||||
* projection; it is also the intended channel for any future framing
|
||||
* directive (a producer declares the frame, a dedicated renderer applies it —
|
||||
* see the deferred note in
|
||||
* ../../../../.agents/notes/implemented/simplification/2026-07-20-unwrap-injected-content-envelopes.md),
|
||||
* so the surface keeps projecting `content` verbatim rather than wrapping it.
|
||||
*/
|
||||
'context/message': {
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
meta?: JsonValue
|
||||
}
|
||||
/** Raw stream chunk — token-level replay fidelity. */
|
||||
'assistant/chunk': { turn: number; step: number; chunk: StreamChunk }
|
||||
/**
|
||||
@@ -189,7 +196,7 @@ A proper discriminated union over `type` (not independent `type`/`data` unions),
|
||||
*
|
||||
* The {@link sourceEventSeqs} and {@link surfaceOp} fields are conditional:
|
||||
* they only exist on {@link SurfaceEventType} variants (`user/message`,
|
||||
* `assistant/message`, `tool/result`, `context/message`, `steering/message`).
|
||||
* `assistant/message`, `tool/result`, `steering/message`).
|
||||
* Non-surface events (boundary markers, chunks, usage, errors) never carry
|
||||
* surface metadata — the compiler enforces this at `Session.append()`
|
||||
* call sites.
|
||||
@@ -223,7 +230,7 @@ For `assistant/message`, a present `sourceEventSeqs: []` is a complete known-emp
|
||||
|
||||
## Surface types
|
||||
|
||||
The five message-producing types (`SurfaceEventType` — `user/message`, `assistant/message`, `tool/result`, `context/message`, `steering/message`) carry surface metadata declaring how they join the ordered derived surface. See the [session surface Agent Note](../../.agents/notes/implemented/architecture/2026-06-18-session-surface.md).
|
||||
The four message-producing types (`SurfaceEventType` — `user/message`, `assistant/message`, `tool/result`, `steering/message`) carry surface metadata declaring how they join the ordered derived surface. See the [session surface Agent Note](../../.agents/notes/implemented/architecture/2026-06-18-session-surface.md).
|
||||
|
||||
### `SurfaceEventType` — the message-producing subset of event types
|
||||
|
||||
@@ -237,7 +244,6 @@ type SurfaceEventType =
|
||||
| 'user/message'
|
||||
| 'assistant/message'
|
||||
| 'tool/result'
|
||||
| 'context/message'
|
||||
| 'steering/message'
|
||||
```
|
||||
|
||||
@@ -248,7 +254,7 @@ type SurfaceEventType =
|
||||
* How a session event entered the ordered surface. Only valid on
|
||||
* {@link SurfaceEventType} events.
|
||||
*
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/context
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/steering
|
||||
* messages.
|
||||
* - `{ op: 'replace', start, end }`: replaces surface nodes from `start`
|
||||
* (inclusive) through `end` (inclusive) with this node. Both must exist as
|
||||
@@ -455,7 +461,7 @@ declare class Session {
|
||||
- `user/message` → a user message carrying exact `content`; an optional envelope remains log-only display metadata.
|
||||
- `assistant/message` → an assistant message with the event's provider/model provenance and optional adapter-private replay state. Raw `assistant/chunk` events are replay/UI data and are **skipped** in derivation (the assembled message is authoritative). An **empty-content** `assistant/message` is also skipped — a max-tokens step cut off with no content still records an `assistant/message` to host its usage/provenance, but a content-less assistant turn must not enter the provider transcript.
|
||||
- `tool/result` → a user message carrying a `tool-result` block.
|
||||
- `context/message` → a user-role message carrying its `content` verbatim at its chronological position. Optional JSON `meta` remains in the event log and is never rendered.
|
||||
- `user/message` (injected context, i.e. non-`user` source) → a user-role message carrying its `content` verbatim at its chronological position. Optional JSON `meta` remains in the event log and is never rendered.
|
||||
- `steering/message` → a user-role message carrying exact `content` at its chronological position; an optional envelope remains log-only display metadata.
|
||||
|
||||
Everything else (`turn/*`, `step/*`, plugin-owned `llm/retry`) is structural and does not project into a message. Token accounting reads per-step `assistant/chunk { type: 'usage' }` records and treats `assistant/message.usage` as the committed-step fallback when no usage chunk exists; failed model-request attempts have no assistant message, so their usage chunk is the durable accounting record. An operational error's step number is on `turn/end.reason` for `kind: 'error'`, with normalized `LlmFailure` facts for a final model-request failure and message/code for other live errors. Because this unreleased format intentionally has no compatibility promise, seed/load validation rejects request headers without provider+model and assistant messages without provider/model provenance instead of guessing a route for historical data.
|
||||
@@ -479,11 +485,12 @@ interface TurnTriggerMap {
|
||||
message: { kind: 'message'; source: MessageSource }
|
||||
/**
|
||||
* An out-of-band context injection (`agent.inject()`) made while the agent
|
||||
* was idle. The loop wraps the injected `context/message` in a one-shot turn
|
||||
* (`turn/start` → `context/message` → `turn/end`) so every event in the log
|
||||
* stays turn-enclosed — the durability/replay boundary is the turn, and a
|
||||
* bare event between turns would otherwise be indistinguishable from a crash
|
||||
* tail on reload.
|
||||
* was idle. The loop wraps the injected `user/message` (a non-`user` source,
|
||||
* plugin by default) in a one-shot turn (`turn/start` → `user/message` →
|
||||
* `turn/end`) so every event in the log stays turn-enclosed — the
|
||||
* durability/replay boundary is the turn, and a bare event between turns would
|
||||
* otherwise be indistinguishable from a crash tail on reload. The trigger's
|
||||
* `source` mirrors that message's producer.
|
||||
*/
|
||||
injection: { kind: 'injection'; source: MessageSource }
|
||||
}
|
||||
@@ -532,13 +539,13 @@ interface TurnEndReasonMap {
|
||||
|
||||
## The turn-enclosure invariant
|
||||
|
||||
Every session event lives **inside** a turn (between a `turn/start` and its `turn/end`). The loop appends queued `user/message` events *after* `turn/start`, an idle `agent.inject()` wraps its `context/message` in a one-shot `injection` turn, and `appendOutOfBand()` similarly wraps an eligible log-only event when no turn is open. This makes the turn the single durability/replay boundary: a backend can treat anything after the last `turn/end` as an interrupted-crash tail without risking the loss of legitimately-recorded between-turn context. The optional `dsh-session/invariant` companion enforces it in dev through `ctx.invariants` (a message event outside an open turn throws). See [the turn-enclosure invariant Agent Note](../../.agents/notes/implemented/architecture/2026-06-15-turn-enclosure-invariant.md).
|
||||
Every session event lives **inside** a turn (between a `turn/start` and its `turn/end`). The loop appends queued `user/message` events *after* `turn/start`, an idle `agent.inject()` wraps its `user/message` in a one-shot `injection` turn, and `appendOutOfBand()` similarly wraps an eligible log-only event when no turn is open. This makes the turn the single durability/replay boundary: a backend can treat anything after the last `turn/end` as an interrupted-crash tail without risking the loss of legitimately-recorded between-turn context. The optional `dsh-session/invariant` companion enforces it in dev through `ctx.invariants` (a message event outside an open turn throws). See [the turn-enclosure invariant Agent Note](../../.agents/notes/implemented/architecture/2026-06-15-turn-enclosure-invariant.md).
|
||||
|
||||
## Plugin-contributed log-only events
|
||||
|
||||
A plugin may declaration-merge extra `SessionEventMap` types. These are **log-only**: NOT `SurfaceEventType`s (they carry no `surfaceOp` and contribute nothing to derived history), but, like every event, they must sit inside an open turn. The full per-event enumeration — core and plugin-contributed alike, with payloads and provenance — is the generated [persistence log event catalog](../persistence-catalog.md); the compaction seam's `compact/*` semantics are discussed on [compaction.md](compaction.md).
|
||||
|
||||
The hook bridges' `hook/invoked` / `hook/result` provenance pairs (from `@deepseek-ai/dsh-hook-protocol`) correlate by `handlerId`. The mid-turn hook points (`PreToolUse`/`PostToolUse`/`UserPromptSubmit`/`Stop`) fire inside the loop's open turn, so their `hook/*` records are turn-enclosed by construction. `SessionStart` gets no `hook/*` record — its injected `context/message` is the durable evidence — because it has no open turn to enclose one (see [the hook-bridges Agent Note](../../.agents/notes/implemented/feature/2026-06-30-hook-bridges.md)).
|
||||
The hook bridges' `hook/invoked` / `hook/result` provenance pairs (from `@deepseek-ai/dsh-hook-protocol`) correlate by `handlerId`. The mid-turn hook points (`PreToolUse`/`PostToolUse`/`UserPromptSubmit`/`Stop`) fire inside the loop's open turn, so their `hook/*` records are turn-enclosed by construction. `SessionStart` gets no `hook/*` record — its injected `user/message` is the durable evidence — because it has no open turn to enclose one (see [the hook-bridges Agent Note](../../.agents/notes/implemented/feature/2026-06-30-hook-bridges.md)).
|
||||
|
||||
## Durability contract
|
||||
|
||||
|
||||
@@ -8,22 +8,24 @@ This matrix shows which packages dispatch each harness-owned event and which pac
|
||||
| Event | Mode | Declared in | Dispatchers | Listeners |
|
||||
| --- | --- | --- | --- | --- |
|
||||
| `agent-loop/config-start-failed` | `emit` | [`packages/core/agent-loop/src/index.ts:353`](../packages/core/agent-loop/src/index.ts) | [`agent-loop`](../packages/core/agent-loop) (`events.dispatch`) | [`tui`](../packages/ui/tui) |
|
||||
| `agent/cancel-requested` | `emit` | [`packages/core/agent/src/types.ts:217`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session) |
|
||||
| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:179`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:188`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:365`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/post-step` | `serial` | [`packages/core/agent/src/types.ts:315`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy) |
|
||||
| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:246`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`time-context`](../packages/context/time-context), [`user-approval`](../packages/ui/user-approval) |
|
||||
| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:262`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`plan-mode`](../packages/plan/plan-mode), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) |
|
||||
| `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:207`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:276`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/request-error` | `waterfall` | [`packages/core/agent/src/types.ts:330`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`compact-basic`](../packages/compact/compact-basic), [`llm-retry`](../packages/llm/llm-retry), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:291`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill), [`workspace-context`](../packages/context/workspace-context) |
|
||||
| `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:230`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) |
|
||||
| `agent/status` | `emit` | [`packages/core/agent/src/types.ts:197`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent), [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:303`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
|
||||
| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:341`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:352`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`tool-goal`](../packages/goal/tool-goal) |
|
||||
| `agent/cancel-requested` | `emit` | [`packages/core/agent/src/types.ts:329`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session) |
|
||||
| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:269`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:278`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`events.dispatch`) | [`agent-loop`](../packages/core/agent-loop), [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:477`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/inbox/dequeue` | `emit` | [`packages/core/agent/src/types.ts:309`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/inbox/discard` | `emit` | [`packages/core/agent/src/types.ts:319`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/inbox/enqueue` | `emit` | [`packages/core/agent/src/types.ts:299`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent), [`goal-session`](../packages/goal/goal-session), [`tui`](../packages/ui/tui) |
|
||||
| `agent/post-step` | `serial` | [`packages/core/agent/src/types.ts:427`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`session-checkpoint-policy`](../packages/session-persistence/session-checkpoint-policy) |
|
||||
| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:358`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`time-context`](../packages/context/time-context), [`user-approval`](../packages/ui/user-approval) |
|
||||
| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:374`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`plan-mode`](../packages/plan/plan-mode), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) |
|
||||
| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:388`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`agent`](../packages/core/agent) |
|
||||
| `agent/request-error` | `waterfall` | [`packages/core/agent/src/types.ts:442`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`compact-basic`](../packages/compact/compact-basic), [`llm-retry`](../packages/llm/llm-retry), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:403`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill), [`workspace-context`](../packages/context/workspace-context) |
|
||||
| `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:342`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) |
|
||||
| `agent/status` | `emit` | [`packages/core/agent/src/types.ts:287`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`agent`](../packages/core/agent), [`goal-session`](../packages/goal/goal-session), `runtime`, [`tui`](../packages/ui/tui) |
|
||||
| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:415`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - |
|
||||
| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:453`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`plan-mode`](../packages/plan/plan-mode) |
|
||||
| `agent/turn-stop` | `serial` | [`packages/core/agent/src/types.ts:464`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`tool-goal`](../packages/goal/tool-goal) |
|
||||
| `approval/request` | `waterfall` | [`packages/ui/user-approval/src/index.ts:30`](../packages/ui/user-approval/src/index.ts) | [`user-approval`](../packages/ui/user-approval) (`waterfall`) | [`acp`](../packages/ui/acp) |
|
||||
| `commands/change` | `emit` | [`packages/ui/commands/src/index.ts:103`](../packages/ui/commands/src/index.ts) | [`commands`](../packages/ui/commands) (`events.dispatch`) | [`acp`](../packages/ui/acp), [`tui`](../packages/ui/tui) |
|
||||
| `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:62`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) |
|
||||
|
||||
@@ -24,14 +24,13 @@ export type SurfaceEventType =
|
||||
| 'user/message'
|
||||
| 'assistant/message'
|
||||
| 'tool/result'
|
||||
| 'context/message'
|
||||
| 'steering/message'
|
||||
|
||||
/**
|
||||
* How a session event entered the ordered surface. Only valid on
|
||||
* {@link SurfaceEventType} events.
|
||||
*
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/context
|
||||
* - `'append'`: added to the tail — normal path for user/assistant/tool/steering
|
||||
* messages.
|
||||
* - `{ op: 'replace', start, end }`: replaces surface nodes from `start`
|
||||
* (inclusive) through `end` (inclusive) with this node. Both must exist as
|
||||
@@ -51,7 +50,7 @@ export type SurfaceOp =
|
||||
*
|
||||
* The {@link sourceEventSeqs} and {@link surfaceOp} fields are conditional:
|
||||
* they only exist on {@link SurfaceEventType} variants (`user/message`,
|
||||
* `assistant/message`, `tool/result`, `context/message`, `steering/message`).
|
||||
* `assistant/message`, `tool/result`, `steering/message`).
|
||||
* Non-surface events (boundary markers, chunks, usage, errors) never carry
|
||||
* surface metadata — the compiler enforces this at `Session.append()`
|
||||
* call sites.
|
||||
@@ -79,7 +78,7 @@ export type SessionEvent<T extends SessionEventType = SessionEventType> = {
|
||||
}[T]
|
||||
```
|
||||
|
||||
Sources: [`packages/core/session/src/types.ts:307`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:320`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:350`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:382`](../packages/core/session/src/types.ts)
|
||||
Sources: [`packages/core/session/src/types.ts:315`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:328`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:357`](../packages/core/session/src/types.ts) · [`packages/core/session/src/types.ts:389`](../packages/core/session/src/types.ts)
|
||||
|
||||
## Events
|
||||
|
||||
@@ -151,7 +150,7 @@ Source: [`packages/ui/user-approval/src/index.ts:67`](../packages/ui/user-approv
|
||||
|
||||
Types: [StreamChunk](core-data-structures/llm-streaming.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:263`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:271`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `assistant/message` — surface
|
||||
|
||||
@@ -167,7 +166,7 @@ Source: [`packages/core/session/src/types.ts:263`](../packages/core/session/src/
|
||||
|
||||
Types: [ContentBlock](core-data-structures/core.md) · [TokenUsage](core-data-structures/llm-streaming.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:270`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:278`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `compact/*`
|
||||
|
||||
@@ -221,33 +220,6 @@ Types: [ContentBlock](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/compact/compact/src/types.ts:22`](../packages/compact/compact/src/types.ts)
|
||||
|
||||
### `context/*`
|
||||
|
||||
#### `context/message` — surface
|
||||
|
||||
```ts persistence-catalog
|
||||
/**
|
||||
* In-session context injection (file-change notices, subdir AGENTS.md,
|
||||
* skill content, cron notifications, …). Rendered into the derived history
|
||||
* as a synthetic user-role message carrying `content` verbatim — NOT a
|
||||
* user prompt. `meta` is durable JSON state omitted from the model
|
||||
* projection; it is also the intended channel for any future framing
|
||||
* directive (a producer declares the frame, a dedicated renderer applies it —
|
||||
* see the deferred note in
|
||||
* ../../../../.agents/notes/implemented/simplification/2026-07-20-unwrap-injected-content-envelopes.md),
|
||||
* so the surface keeps projecting `content` verbatim rather than wrapping it.
|
||||
*/
|
||||
'context/message': {
|
||||
content: ContentBlock[]
|
||||
source: MessageSource
|
||||
meta?: JsonValue
|
||||
}
|
||||
```
|
||||
|
||||
Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:257`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `hook/*`
|
||||
|
||||
#### `hook/invoked` — log-only
|
||||
@@ -357,7 +329,7 @@ Source: [`packages/plan/plan-mode/src/index.ts:40`](../packages/plan/plan-mode/s
|
||||
|
||||
Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:245`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:269`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `request/*`
|
||||
|
||||
@@ -371,7 +343,7 @@ Source: [`packages/core/session/src/types.ts:245`](../packages/core/session/src/
|
||||
'request/header': { header: EpochHeader; reason: RequestHeaderReason }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:295`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:303`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `sandbox/*`
|
||||
|
||||
@@ -427,7 +399,7 @@ Source: [`packages/session-title/session-title-llm/src/index.ts:44`](../packages
|
||||
'steering/message': PromptMessageData & { turn: number }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:288`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:296`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `step/*`
|
||||
|
||||
@@ -438,7 +410,7 @@ Source: [`packages/core/session/src/types.ts:288`](../packages/core/session/src/
|
||||
'step/end': { turn: number; step: number }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:238`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:254`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `step/start` — log-only
|
||||
|
||||
@@ -447,7 +419,7 @@ Source: [`packages/core/session/src/types.ts:238`](../packages/core/session/src/
|
||||
'step/start': { turn: number; step: number }
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:236`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:252`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `todo/*`
|
||||
|
||||
@@ -460,7 +432,7 @@ Source: [`packages/core/session/src/types.ts:236`](../packages/core/session/src/
|
||||
|
||||
Types: [TodoItem](core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:290`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:298`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `tool/*`
|
||||
|
||||
@@ -477,7 +449,7 @@ Source: [`packages/core/session/src/types.ts:290`](../packages/core/session/src/
|
||||
|
||||
Types: [CallId](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:276`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:284`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `tool/code-dispatch` — log-only
|
||||
|
||||
@@ -521,7 +493,7 @@ Source: [`packages/core/tools/src/code-mode.ts:34`](../packages/core/tools/src/c
|
||||
|
||||
Types: [CallId](core-data-structures/core.md) · [ContentBlock](core-data-structures/core.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:286`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:294`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `turn/*`
|
||||
|
||||
@@ -539,7 +511,7 @@ Source: [`packages/core/session/src/types.ts:286`](../packages/core/session/src/
|
||||
|
||||
Types: [TurnEndReason](core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:234`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:250`](../packages/core/session/src/types.ts)
|
||||
|
||||
#### `turn/start` — log-only
|
||||
|
||||
@@ -555,15 +527,23 @@ Source: [`packages/core/session/src/types.ts:234`](../packages/core/session/src/
|
||||
|
||||
Types: [TurnTrigger](core-data-structures/session.md)
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:227`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:243`](../packages/core/session/src/types.ts)
|
||||
|
||||
### `user/*`
|
||||
|
||||
#### `user/message` — surface
|
||||
|
||||
```ts persistence-catalog
|
||||
/** A user-visible prompt (the queued message claimed for this turn). */
|
||||
/**
|
||||
* A user-role message on the model-visible surface: a direct human prompt
|
||||
* (the queued message claimed for this turn), a synthetic `agent.inject()`
|
||||
* context (file-change notices, subdir AGENTS.md, skill content, cron
|
||||
* notifications, …), or an admitted goal continuation round. All three
|
||||
* project their `content` verbatim; `source` (with a non-`user` kind marking
|
||||
* injected context) is the only channel that tells them apart. An idle
|
||||
* injection wraps this event in a one-shot turn so the log stays turn-enclosed.
|
||||
*/
|
||||
'user/message': PromptMessageData
|
||||
```
|
||||
|
||||
Source: [`packages/core/session/src/types.ts:240`](../packages/core/session/src/types.ts)
|
||||
Source: [`packages/core/session/src/types.ts:264`](../packages/core/session/src/types.ts)
|
||||
|
||||
@@ -23,12 +23,12 @@ This table connects model-visible tool names to the plugin package and service s
|
||||
| `@deepseek-ai/dsh-tool-fs` | `edit`, `read`, `write` | `ctx.tools`, `ctx.fs`, `ctx.systemPrompt` | `tool/call`, `fs/write-intent or fs/edit-intent for mutations`, `fs/observed after successful file operations`, `tool/result` | - | The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an `fs/*` event-gate plugin, no schema change); a deployment that loads these tools is expected to also load it. The tool schemas above are identical with or without the policy plugin. |
|
||||
| `@deepseek-ai/dsh-tool-fs-search` | `glob`, `grep` | `ctx.tools`, `ctx.bash`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | glob and grep are conditional bash-backed discovery tools: they register only when ctx.bash can find `rg`, then run fixed ripgrep commands through ctx.bash as ordinary foreground calls (never background tasks). Capped results save the complete formatted list through the optional ctx.spillStore backend; returned locators are follow-up-readable/searchable when the backend exposes local paths in co-located deployments. |
|
||||
| `@deepseek-ai/dsh-tool-pty` | `terminal_close`, `terminal_list`, `terminal_open`, `terminal_read`, `terminal_send`, `terminal_signal` | `ctx.tools`, `ctx.pty`, `ctx.systemPrompt`, `ctx.tasks at call time for run_in_background` | `tool/call`, `tool/result` | - | The six terminal tools are opt-in and complement one-shot bash/filesystem tools. `terminal_send(run_in_background: true)` registers with `ctx.tasks`; TUI, named key sequences, BEL, resize, auto-start, and cross-agent sharing are absent from the schema. |
|
||||
| `@deepseek-ai/dsh-tool-goal` | `create_goal`, `get_goal`, `update_goal` | `ctx.tools`, `ctx.agents`, `ctx.goals`, `ctx.systemPrompt`, `a calling Agent in an authorized open turn` | `tool/call`, `context/message goal snapshot for mutations`, `tool/result` | - | create, edit, pause, and resume require direct-human root authority; complete and blocked also accept the exact current goal round. The default blocked lower bound is three admitted rounds. |
|
||||
| `@deepseek-ai/dsh-tool-goal` | `create_goal`, `get_goal`, `update_goal` | `ctx.tools`, `ctx.agents`, `ctx.goals`, `ctx.systemPrompt`, `a calling Agent in an authorized open turn` | `tool/call`, `user/message goal snapshot for mutations`, `tool/result` | - | create, edit, pause, and resume require direct-human root authority; complete and blocked also accept the exact current goal round. The default blocked lower bound is three admitted rounds. |
|
||||
| `@deepseek-ai/dsh-tool-lsp` | `lsp` | `ctx.tools`, `ctx.lsp`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | The lsp tool keeps provider selection and language-server subprocesses behind ctx.lsp, so its model-visible schema stays stable across providers. Requires a registered provider (e.g. `@deepseek-ai/dsh-lsp-local`) at runtime; without one, a query returns the structured `LSP_UNAVAILABLE` error rather than changing the schema. |
|
||||
| `@deepseek-ai/dsh-tool-ralph` | `ralph` | `ctx.tools`, `ctx.workflows`, `ctx.subagents`, `ctx.systemPrompt`, `a calling Agent (exec.agent parents every fresh round)` | `tool/call`, `tool/result`, `workflow and child session events during execution` | - | A fixed foreground workflow starts one fresh structured child per round; the model selects only the immutable objective and an optional round cap. |
|
||||
| `@deepseek-ai/dsh-tool-skill` | `skill` | `ctx.tools`, `ctx.skills` | `tool/call`, `tool/result` | - | - |
|
||||
| `@deepseek-ai/dsh-tool-subagent` | `subagent` | `ctx.tools`, `ctx.subagents` | `tool/call`, `tool/result`, `child session events through the chosen provider` | `subagent`, `subagent_fork` | The registered tool name is the load-time `toolName` config (default `subagent`); the schema above is that default. The shipped example agents load this package once per subagent backend, so the model additionally sees `subagent_fork` (bound to the fork backend) with an identical schema — see `examples/tui-agent/cordis.yml` and `examples/acp-agent/cordis.yml`. |
|
||||
| `@deepseek-ai/dsh-tool-tasks` | `task_kill`, `task_list`, `task_output` | `ctx.tools`, `ctx.tasks`, `ctx.systemPrompt` | `tool/call`, `tool/result`, `context/message via agent.inject() for background completion notices` | - | The kind-agnostic background-task control surface: background bash commands, PTY sends, and subagents are read, listed, and killed through the same three tools. Loading the plugin attaches the control surface that arms producers' `ctx.tasks.start()`. |
|
||||
| `@deepseek-ai/dsh-tool-tasks` | `task_kill`, `task_list`, `task_output` | `ctx.tools`, `ctx.tasks`, `ctx.systemPrompt` | `tool/call`, `tool/result`, `user/message via agent.inject() for background completion notices` | - | The kind-agnostic background-task control surface: background bash commands, PTY sends, and subagents are read, listed, and killed through the same three tools. Loading the plugin attaches the control surface that arms producers' `ctx.tasks.start()`. |
|
||||
| `@deepseek-ai/dsh-tool-todo` | `todo_write` | `ctx.tools`, `owning Agent session` | `tool/call`, `todo/write`, `tool/result` | - | todo_write is session-owned state; UIs render the latest todo/write event as a checklist or ACP plan. |
|
||||
| `@deepseek-ai/dsh-tool-workflow` | `workflow` | `ctx.tools`, `ctx.workflows`, `ctx.systemPrompt`, `a calling Agent (exec.agent parents the script children)` | `tool/call`, `tool/result` | - | - |
|
||||
| `@deepseek-ai/dsh-tool-web` | `web_fetch`, `web_search` | `ctx.tools`, `ctx.web`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | web_search and web_fetch keep provider selection behind ctx.web so model-visible schemas stay stable across backend swaps. |
|
||||
|
||||
@@ -20,7 +20,7 @@ flowchart TD
|
||||
owned["Tool-owned session events<br/><code>todo/write</code>, <code>fs/observed</code>, <code>hook/invoked</code>, <code>hook/result</code>, <code>tool/code-dispatch</code>"]
|
||||
post["<code>tools/post-execute</code> waterfall<br/>accept, block, replace, add context"]
|
||||
final["<code>tools/result</code> synchronous notification<br/>frozen authoritative outcome"]
|
||||
context["Active-batch additionalContexts FIFO<br/>context/message after recorded tool results"]
|
||||
context["Active-batch additionalContexts FIFO<br/>injected user/message after recorded tool results"]
|
||||
toolResult["Session event: <code>tool/result</code><br/>single model-facing outcome"]
|
||||
allResults["Tool batch settled<br/>recorded tool/result events complete"]
|
||||
presentResult["UI completed card<br/>presentResult(args, result)"]
|
||||
|
||||
Reference in New Issue
Block a user