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refactor(subagent): merge continuation control service

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Dudu
2026-07-27 00:00:14 +08:00
committed by imccyu
parent 0a95ad8cc0
commit 88f913a9ae
71 changed files with 543 additions and 673 deletions
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packages/subagent/README.md
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@@ -6,16 +6,15 @@ The subagent seam: an agent delegating work to a child agent. Like the [bash](..
| Package | Role | ctx key |
|---|---|---|
| `subagent/` | Abstract subagent seam: named-provider registry + vocabulary + the durable child descriptor | `ctx.subagents` |
| `subagent/` | Subagent service: named-provider registry, vocabulary, durable descriptor, and optional Task-backed continuation orchestration | `ctx.subagents` |
| `subagent-inprocess/` | Shared in-process run driver (no provider; one cleanup effect per run) | — |
| `subagent-spawn/` | In-process backend: a fresh child agent, with cold resume | (registers on `ctx.subagents`) |
| `subagent-fork/` | In-process backend: a child seeded with the parent's completed-turn prefix, with cold resume | (registers on `ctx.subagents`) |
| `subagent-acp/` | Out-of-process backend: a child agent in a spawned subprocess, driven over ACP (one-shot) | (registers on `ctx.subagents`) |
| `subagent-dsh-sdk/` | Out-of-process backend: a child harness runtime in a spawned subprocess, driven over stdio JSON-RPC through the TypeScript SDK client | (registers on `ctx.subagents`) |
| `subagent-control/` | Continuable-child orchestration: stable ids, descriptor lookup, Task-backed activation, steer-or-resume routing | `ctx.subagentControl` |
| `tool-subagent/` | Model-facing `subagent` delegation tool over `ctx.subagents` | (registers on `ctx.tools`) |
| `tool-subagent-control/` | The one globally named `send_message` follow-up tool over `ctx.subagentControl` | (registers on `ctx.tools`) |
| `tool-subagent-control/` | The optional, globally named `send_message` follow-up tool over `ctx.subagents` | (registers on `ctx.tools`) |
The interface lives at `subagent/subagent/`. 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-dsh-sdk` backends spawn their children through the [`subprocess/`](../subprocess/README.md) seam (the shared credential scrub, tree-scoped teardown, and dispose ladder). `subagent-control` sits above the seam: it binds one durable child session to a series of disposable Task-backed activations, and both model tools and human-facing adapters route through its one contract. Tests replace only the child boundary with package-local fixtures.
The interface and continuation orchestration live at `subagent/subagent/`. Raw `start` / `resume` dispatch stays independent of Tasks and persistence; an internal manager binds durable child sessions to disposable Task-backed activations only while the Task and Agent services are present, and resolves persistence only when a continuation operation runs. 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-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 the child boundary with package-local fixtures.
The proposals and design rationale: [.agents/notes/implemented/feature/2026-06-21-subagent-capability-seam.md](../../.agents/notes/implemented/feature/2026-06-21-subagent-capability-seam.md) and [.agents/notes/implemented/feature/2026-07-21-continuable-background-subagents.md](../../.agents/notes/implemented/feature/2026-07-21-continuable-background-subagents.md).
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).