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Merge remote-tracking branch 'origin/worktree/agent-execution-context-rfc' into codex/simplify-agent-identity-plumbing

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# Conflicts:
#	docs/rfc/implemented/architecture/2026-07-15-agent-initiator-scope.i18n.yaml
#	docs/rfc/implemented/architecture/2026-07-15-agent-initiator-scope.md
#	docs/rfc/implemented/architecture/2026-07-15-agent-initiator-scope.zh.md
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Tianyi Cui
2026-07-19 14:18:58 +08:00
parent f21ed1bfa0 f66cde41d1
commit 4284cf70e4
5 changed files with 9 additions and 9 deletions
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docs/rfc/implemented/architecture/2026-07-15-agent-initiator-scope.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
2026-07-15-agent-initiator-scope.md: 61aad24c13d66f206fed81ae6eb074666b23d0d2
2026-07-15-agent-initiator-scope.zh.md: e420e3cd5fa4b2b2f868be11080c37f29b2ce313
2026-07-15-agent-initiator-scope.md: ae4d558215f1df462e4ad8a8af75afceebddb275
2026-07-15-agent-initiator-scope.zh.md: 2aec7c8a6ec340cc428f7995f128de5f5660e61c

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docs/rfc/implemented/architecture/2026-07-15-agent-initiator-scope.md
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@@ -16,7 +16,7 @@ The mandatory `ctx.agents` service uses Node `AsyncLocalStorage` to carry the in
`currentInitiator()` reads optionally, `requireInitiator()` throws `no initiating agent is active`, and `withInitiator(agent, operation)` preserves the operation's exact synchronous value or Promise. `withoutInitiator(operation)` establishes a clearing boundary for work that must not inherit an Agent. Session remains derived as `agent.session`; turn, step, tool call, `signal`, model, `cwd`, sandbox, and authorization stay with their existing owners.
`AgentLoop` already injects `ctx.agents` and wraps each concrete driver's complete `runLoop` lifetime in `agents.withInitiator(agent, ...)`. Its package-private loop, turn, step, and tool-call helpers recover the exact Agent from `ctx.agents` instead of forwarding the concrete driver through their signatures. Concurrent drivers therefore receive independent stores, a child driver shadows its parent, and the parent store returns when the child boundary settles. Creation, persistence load, and unpublished `setup(agentCtx)` remain outside the child's driver boundary: creation initiated by a parent runs under the parent identity, while `agentCtx.agent` explicitly identifies the child.
`AgentLoop` already injects `ctx.agents` and wraps each concrete driver's complete `runLoop` lifetime in `agents.withInitiator(agent, ...)`. Its package-private loop, turn, step, and tool-call helpers recover the exact Agent from `ctx.agents` instead of forwarding the concrete driver through their signatures. Concurrent drivers therefore receive independent stores. A child driver's continuations carry the child, while the caller resumes in its prior store as soon as `withInitiator()` returns; active-run tracking keeps the returned Promise in the teardown drain until it settles. Creation, persistence load, and unpublished `setup(agentCtx)` remain outside the child's driver boundary: creation initiated by a parent runs under the parent identity, while `agentCtx.agent` explicitly identifies the child.
Ambient identity does not replace explicit contracts. `ToolExecution.agent`, `AssembleContext.agent`, `GenerateOptions.sessionId`, task ownership, parent/child requests, `ctx.agent`, `agentCtx.agent`, approval and hook subjects, `cwd` selection, cancellation, worker/process messages, persistence records, and wire identity remain explicit. A remote boundary materializes the identity it needs into its typed request because ALS is process-local.

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docs/rfc/implemented/architecture/2026-07-15-agent-initiator-scope.zh.md
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@@ -16,7 +16,7 @@ Harness 中存在两种有用但不同的上下文概念。Cordis `Context` 负
`currentInitiator()` 用于可选读取，`requireInitiator()` 抛出 `no initiating agent is active`，`withInitiator(agent, operation)` 保留操作返回的同步值或 Promise 本身。`withoutInitiator(operation)` 会建立清空边界，供不得继承 Agent 的工作使用。会话仍通过 `agent.session` 推导；轮次、步骤、工具调用、`signal`、模型、`cwd`、沙箱和授权继续由现有归属方管理。
`AgentLoop` 已经注入 `ctx.agents`，并用 `agents.withInitiator(agent, ...)` 包裹每个具体驱动的完整 `runLoop` 生命周期。其包内私有的循环、轮次、步骤和工具调用辅助函数从 `ctx.agents` 恢复同一个 Agent，无需在函数签名中转发具体驱动。因此，并发驱动使用彼此独立的存储，子驱动会遮蔽父驱动，子边界结束后父存储得到恢复。创建、持久化加载和尚未发布的 `setup(agentCtx)` 位于子驱动边界之外：由父 Agent 发起的创建使用父身份，而 `agentCtx.agent` 显式标识子 Agent。
`AgentLoop` 已经注入 `ctx.agents`，并用 `agents.withInitiator(agent, ...)` 包裹每个具体驱动的完整 `runLoop` 生命周期。其包内私有的循环、轮次、步骤和工具调用辅助函数从 `ctx.agents` 恢复同一个 Agent，无需在函数签名中转发具体驱动。因此，并发驱动使用彼此独立的存储。子驱动的异步延续携带子 Agent；`withInitiator()` 返回后，调用方立即恢复之前的存储，而活动运行计数仍持续跟踪返回的 Promise，直到其结束。创建、持久化加载和尚未发布的 `setup(agentCtx)` 位于子驱动边界之外：由父 Agent 发起的创建使用父身份，而 `agentCtx.agent` 显式标识子 Agent。
隐式身份不会取代显式契约。`ToolExecution.agent`、`AssembleContext.agent`、`GenerateOptions.sessionId`、任务归属、父子请求、`ctx.agent`、`agentCtx.agent`、审批与 hook 主体、`cwd` 选择、取消、worker 和进程消息、持久化记录及协议身份都保持显式传递。远程边界会把所需身份写入类型化请求，因为 ALS 只在进程内有效。