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fix(session): persist the delegation depth in the session header

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A subagent child's recursion depth lived only in runtime AgentOptions,
so a persisted child came back from resume counted as top-level and
maxDepth stopped binding after every restart. Add
SessionHeader.delegationDepth, round-trip it through the JSONL and
SQLite backends (SQLite schema v5), restore it on agent-loop resume,
and write it when the in-process backends create a child. The seam now
owns the shared depth vocabulary (delegationDepthOf): the persisted
header is authoritative and monotone — runtime options may deepen it
but never lower it.
This commit is contained in:
Yichen Jiang
2026-07-19 17:20:36 +08:00
parent e05e7a0870
commit 0d00106fa8
29 changed files with 229 additions and 106 deletions
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8
docs/cordis-catalog/events.md
View File

@@ -542,7 +542,7 @@ A ready child settled. Scope-filtered dispatch uses the same delegating parent c
Types: [Scoped](../core-data-structures/scope.md) · [SubagentService](../core-data-structures/subagent.md)
Source: [`packages/subagent/subagent/src/index.ts:112`](../../packages/subagent/subagent/src/index.ts)
Source: [`packages/subagent/subagent/src/index.ts:138`](../../packages/subagent/subagent/src/index.ts)
### `subagent/provider-added` — emit
@@ -559,7 +559,7 @@ A provider became resolvable in the registry.
Types: [SubagentProvider](../core-data-structures/subagent.md)
Source: [`packages/subagent/subagent/src/index.ts:86`](../../packages/subagent/subagent/src/index.ts)
Source: [`packages/subagent/subagent/src/index.ts:112`](../../packages/subagent/subagent/src/index.ts)
### `subagent/provider-removed` — emit
@@ -574,7 +574,7 @@ A provider left the registry. Accepted runs remain holder-owned.
'subagent/provider-removed'(name: string): void
```
Source: [`packages/subagent/subagent/src/index.ts:92`](../../packages/subagent/subagent/src/index.ts)
Source: [`packages/subagent/subagent/src/index.ts:118`](../../packages/subagent/subagent/src/index.ts)
### `subagent/start` — emit
@@ -596,7 +596,7 @@ A provider established a ready child. For in-process providers, `ctx.agents.get(
Types: [Scoped](../core-data-structures/scope.md) · [SubagentService](../core-data-structures/subagent.md)
Source: [`packages/subagent/subagent/src/index.ts:103`](../../packages/subagent/subagent/src/index.ts)
Source: [`packages/subagent/subagent/src/index.ts:129`](../../packages/subagent/subagent/src/index.ts)
## `system-prompt/*`

6
docs/cordis-catalog/services.md
View File

@@ -216,7 +216,7 @@ roots(): Agent[]
Types: [Agent](../core-data-structures/core.md) · [SessionId](../core-data-structures/core.md)
Source: [`packages/core/agent/src/index.ts:217`](../../packages/core/agent/src/index.ts)
Source: [`packages/core/agent/src/index.ts:223`](../../packages/core/agent/src/index.ts)
## `ctx.approval` — `ApprovalService`
@@ -820,7 +820,7 @@ fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId):
Types: [CreateSessionOptions](../core-data-structures/persistence.md) · [Session](../core-data-structures/session.md) · [SessionId](../core-data-structures/core.md)
Source: [`packages/core/session/src/index.ts:577`](../../packages/core/session/src/index.ts)
Source: [`packages/core/session/src/index.ts:581`](../../packages/core/session/src/index.ts)
## `ctx.skills` — `SkillService`
@@ -934,7 +934,7 @@ async start(name: string, request: SubagentStartRequest): Promise<SubagentRun>
Types: [SubagentProvider](../core-data-structures/subagent.md) · [SubagentRun](../core-data-structures/subagent.md) · [SubagentStartRequest](../core-data-structures/subagent.md)
Source: [`packages/subagent/subagent/src/index.ts:153`](../../packages/subagent/subagent/src/index.ts)
Source: [`packages/subagent/subagent/src/index.ts:179`](../../packages/subagent/subagent/src/index.ts)
## `ctx.systemPrompt` — `SystemPrompt`