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fix(subagent): close continuation lifecycle gaps

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This commit is contained in:
Dudu-0223
2026-07-30 21:21:14 +08:00
committed by Tianyi Cui
parent 853f4d5cfb
commit a91b20f6be
29 changed files with 365 additions and 142 deletions
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packages/subagent/tool-subagent-control/README.i18n.yaml
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# side as of the last confirmed-consistent state. Both languages carry equal authority;
# after editing either side, bring the other along and re-record with:
# pnpm run verify-translation-pairing --write packages/subagent/tool-subagent-control/README.md
README.md: b62870217e0eaf57c1cd16204c703aada694d4f2
README.zh.md: 24a4b7b69a2f95533e4f0b963156fce0aad46bf4
README.md: 5023862cba39769248a9f6cbe935d6397df39266
README.zh.md: a5812704609edd38aedc344b4c64044fbf32c8a8

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packages/subagent/tool-subagent-control/README.md
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The optional, globally named `send_message` tool: a thin adapter over `ctx.subagents.followup()`. Provider-bound `@deepseek-ai/dsh-tool-subagent` instances register distinct delegation tools per transport; this separately loaded package registers one shared follow-up tool, so multiple delegation tools never register duplicate global controls. Its presence does not determine whether a delegation tool starts continuable work.
The tool performs no lifecycle routing — residency and cold resume belong to the subagent service. It supplies exact live parent authority (`{ kind: 'parent', agent }`) from `exec.agent` and attributes every message as durable provenance `{ kind: 'coordinator', senderSessionId: parent.id }`, which the service retains but never treats as authority. Every message becomes the subagent's next FIFO turn through `Agent.followup()`: if the child is still working, the message waits until its current turn finishes, so it cannot redirect work already underway. The tool forwards its execution signal, which owns admission only until inbox acceptance; once the child accepts the message the accepted turn cannot be cancelled through this tool. The child does not reply to the sender — its transcript by that id is the source of what it did. A delivery failure becomes an errored tool result stating the message was not delivered.
The tool performs no lifecycle routing — residency and cold resume belong to the subagent service. It passes `exec.agent` as the exact live parent that authorizes delivery and attributes every message as durable provenance `{ kind: 'coordinator', senderSessionId: parent.id }`, which the service retains but never treats as authority. Every message becomes the subagent's next FIFO turn through `Agent.followup()`: if the child is still working, the message waits until its current turn finishes, so it cannot redirect work already underway. The tool forwards its execution signal, which owns admission only until inbox acceptance; once the child accepts the message the accepted turn cannot be cancelled through this tool. The child does not reply to the sender — its transcript by that id is the source of what it did. A delivery failure becomes an errored tool result stating the message was not delivered.
## Model Experience

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packages/subagent/tool-subagent-control/README.zh.md
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可选的全局具名 `send_message` 工具：`ctx.subagents.followup()` 之上的轻量适配器。绑定提供方的 `@deepseek-ai/dsh-tool-subagent` 实例会为每种传输注册不同的委派工具；这个单独加载的包（package）只注册一个共享后续操作工具，因此多个委派工具绝不会重复注册全局控制工具。是否加载本工具不会决定委派工具是否启动可继续工作。
本工具不执行生命周期路由——驻留与冷恢复归 subagent 服务所有。它从 `exec.agent` 提供准确的实时父级权限（`{ kind: 'parent', agent }`），并把每条消息的来源标记为持久化来源 `{ kind: 'coordinator', senderSessionId: parent.id }`；服务会保留该来源，但绝不将其视为权限。每条消息都会通过 `Agent.followup()` 成为子 agent（智能体）的下一个 FIFO 轮次：如果子 agent 仍在工作，该消息会等待其当前轮次结束，因此无法重定向已经在进行的工作。本工具会转发其执行信号，该信号只在 inbox 接受之前掌管准入；一旦子 agent 接受消息，已接受的轮次便无法再通过本工具取消。子 agent 不会回复发送方——通过该 id 查看其 transcript 即是其所做工作的来源。投递失败会变为出错的工具结果，并明确说明消息未送达。
本工具不执行生命周期路由——驻留与冷恢复归 subagent 服务所有。它将 `exec.agent` 作为授权投递的准确实时父级传入，并把每条消息的来源标记为持久化来源 `{ kind: 'coordinator', senderSessionId: parent.id }`；服务会保留该来源，但绝不将其视为权限。每条消息都会通过 `Agent.followup()` 成为子 agent（智能体）的下一个 FIFO 轮次：如果子 agent 仍在工作，该消息会等待其当前轮次结束，因此无法重定向已经在进行的工作。本工具会转发其执行信号，该信号只在 inbox 接受之前掌管准入；一旦子 agent 接受消息，已接受的轮次便无法再通过本工具取消。子 agent 不会回复发送方——通过该 id 查看其 transcript 即是其所做工作的来源。投递失败会变为出错的工具结果，并明确说明消息未送达。
## 模型体验