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fix(subagent): pin delegated child approvals to 'never' within the inherited sandbox scope

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A delegated in-process child now acts only within the sandbox scope fixed
at delegation: captureDelegatedPolicyOverrides still snapshots the parent's
explicit sandbox override but pins the child approval policy to 'never'
(instead of inheriting the parent's), so every child ask — sandbox_permissions
escalations included — is rejected deterministically by ApprovalService
before any answerer, with the audit pair still logged. Every in-process
child additionally receives the scoped subagent:delegation runtime-context
statement telling it to report a scope limitation instead of retrying.

Supersedes the approval half of the policy-inheritance decision (new Agent
Note cross-linked from both prior notes and the approval-seam Q&A); refreshed
child snapshot fixtures carry the pinned event, and
subagent-published-run-failure now persists a one-event child log.
This commit is contained in:
Hypatia May
2026-08-10 19:17:37 +08:00
parent 1ac58714d1
commit 501c3a8ab6
61 changed files with 781 additions and 550 deletions
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packages/subagent/subagent-inprocess/README.zh.md
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该结果边界成立，是因为提供方拥有从发布到完全停稳的隔离子 agent 生命周期。在该生命周期内提交的 steering（中途引导）属于子运行；提供方不会声称输出只归初始 follow-up 所有。
驱动器通过共享的子 agent 辅助函数应用该 seam 的[委派策略继承](../subagent/README.md#delegated-policy-inheritance)：它会在创建子 agent 前捕获父级的显式沙箱／审批覆盖项，并在未发布的设置阶段追加带来源标记的事件，使其位于所有 fork 历史之后、会话发布之前。参见[策略继承决策](../../../.agents/notes/implemented/feature/2026-07-25-subagent-policy-inheritance.md)。
驱动器通过共享的子 agent 辅助函数应用该 seam 的[委派策略](../subagent/README.md#delegated-policy)：它会在创建子 agent 前捕获父级的显式沙箱覆盖项与 `'never'` 审批钉定，并在未发布的设置阶段追加带来源标记的事件，使其位于所有 fork 历史之后、会话发布之前。参见[委派策略决策](../../../.agents/notes/implemented/feature/2026-07-25-subagent-policy-inheritance.md)。
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