Merge commit 'ecbb7896d3deeeac0bca71cef6b0d17e5b23896b' into codex/product-providers-pr2-claude-code

# Conflicts:
#	.agents/notes/proposed/feature/2026-08-04-claude-code-and-codex-subagent-backends.i18n.yaml
#	.agents/notes/proposed/feature/2026-08-04-claude-code-and-codex-subagent-backends.md
#	.agents/notes/proposed/feature/2026-08-04-claude-code-and-codex-subagent-backends.zh.md
#	docs/capability-seams.md
#	docs/module-graph.md
#	packages/subagent/README.i18n.yaml
#	packages/subagent/README.md
#	packages/subagent/README.zh.md
#	scripts/gen-doc-graphs.ts
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pku-xht
2026-08-05 06:40:45 +08:00
45 changed files with 177 additions and 113 deletions
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@@ -18,6 +18,6 @@ The subagent seam: an agent delegating work to a child agent. Like the [bash](..
| `tool-subagent-control/` | The optional, globally named `send_message` and `list_agents` tools over `ctx.subagents` | (registers on `ctx.tools`) |
| `tool-subagent-report/` | Child-scoped `report` return channel for continuable in-process children | (registers in each child scope) |
The interface and continuation orchestration live at `subagent/subagent/`. One-shot provider `start` dispatch stays independent of persistence; an internal continuation manager owns each durable continuable child as one Session plus at most one process-local Activation, binding no Task, and exists only while the Agent service is present, resolving persistence per continuation operation. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a library with no provider of its own — both depend on it, neither on the other), and the out-of-process `subagent-acp` / `subagent-codex` / `subagent-claude-code` / `subagent-dsh-sdk` backends spawn their children through the [`subprocess/`](../subprocess/README.md) seam (the shared credential scrub, tree-scoped teardown, and dispose ladder). Tests replace only external or nondeterministic product boundaries with package-local fixtures.
The interface and continuation orchestration live at `subagent/subagent/`. One-shot provider `start` dispatch stays independent of persistence; an internal continuation manager owns each durable continuable child as one Session plus at most one process-local Activation, binding no Task, and exists only while the Agent service is present, resolving persistence per continuation operation. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a library with no provider of its own — both depend on it, neither on the other). The out-of-process `subagent-acp` / `subagent-codex` / `subagent-claude-code` backends spawn through the [`subprocess/`](../subprocess/README.md) seam, which owns credential scrubbing, termination escalation, and whole-tree exit observation; `subagent-dsh-sdk` instead delegates process creation and teardown to the TypeScript SDK client that owns its transport, while reusing the seam's credential scrub. Tests replace only external or nondeterministic product boundaries with package-local fixtures.
The design rationale: [.agents/notes/implemented/feature/2026-06-21-subagent-capability-seam.md](../../.agents/notes/implemented/feature/2026-06-21-subagent-capability-seam.md), [.agents/notes/implemented/feature/2026-07-21-continuable-background-subagents.md](../../.agents/notes/implemented/feature/2026-07-21-continuable-background-subagents.md), and [.agents/notes/implemented/simplification/2026-07-26-merge-subagent-control-service.md](../../.agents/notes/implemented/simplification/2026-07-26-merge-subagent-control-service.md).