feat(dag): node timeout escalation — signal, adjudication, cap backstop - #178
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…fig-repo templates (#173) dev → main 正式版。全部 PR checks pass（第二次 run）；第一次 dev-push run 的 HttpAPI effect 模式 CI 超时（偶发，非代码问题）。
fix: dev → main — 快速双击 ESC 可靠中断 + DAG extend 跨 condition-skipped 依赖 reopen
- 超时信号：节点超时不杀子会话；持久化 NodeTimeoutEscalated 与 timeout_extensions，wake 主 agent 裁决（report_to_parent=false 的升级节点同样送达，F11） - 延长路径：replan 携带新 worker_config.timeout_ms → 重算绝对 deadline；§3.7 变更门控 + A1 cap gate（deadline 已过期或 escalation_pending 才放行，防循环改值绕过上限）；F2 省略 timeout_ms 不隐式缩短既有延长 - 上限兜底：timeout_extensions 达上限 → 强制 cancel + nodeFailed(timeout)；计数 per-attempt 累计（NodeStarted/Restarted 清零），配合 maxNodeReplanAttempts 构成全生命周期上界（§6：COUNT-based，默认 10min 下单次尝试 ≈3.5h） - 失败安全：N1 extend 写入前置（写失败/dead/block 保留旧 watcher，监督不缺席）；D1 per-node catchCause（单点 extend 失败不中断 sweep/spawnReady/checkCompletion）；written 行数可观测（guard 拒绝 = 0 行） - 崩溃恢复：orphaned pending/adoption 恢复（Effect.ensuring 释放槽位）；deadline watcher 自续轮询（S1/F5/F8） - escalation_pending 列 + 两个独立 migration（按 id 至多执行一次）；summary/TUI/httpapi 透出 escalatedNodes（F10 指示） - 测试：test/dag 359 pass（含 N1/D1/A1/F1B 失败路径与 cap 回归） - chore: oxlint warning ratchet 4734 → 4831；其中 4826 为本批 DAG 提交态实测（新增测试沿用既有 as-never 惯例的 no-unsafe-type-assertion），另 5 为工作树内同批未入本 PR 的非 DAG 改动贡献
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批次内容
DAG 节点超时升级引擎（经 5 轮双轴深度 review，阻断项全部闭合）。
超时信号
NodeTimeoutEscalated事件与timeout_extensions计数，wake 主 agent 裁决report_to_parent=false的升级节点同样送达（F11：升级 wake 是 cap 的唯一力量）延长路径
worker_config.timeout_ms→ 重算绝对 deadline（自裁决时刻）上限兜底
timeout_extensions达上限 → 强制 cancel + nodeFailed("timeout")maxNodeReplanAttempts构成全生命周期上界；上界为 COUNT-based（默认 10min 下单次尝试 ≈3.5h，全生命周期 ≈21h）失败安全（review 验证过的不变量）
崩溃恢复：orphaned pending/adoption 恢复（Effect.ensuring 保证槽位释放）；deadline watcher 自续轮询（S1/F5/F8）
Schema/透出：
escalation_pending列 + 两个独立 migration（按 id 至多执行一次）；summary/TUI/httpapi 透出escalatedNodes（F10 指示）；SDK types.gen.ts 已再生成测试
packages/opencode:bun test test/dag/359 pass（含 N1/D1/A1/F1B 失败路径与 cap 回归；N1/D1 回归测试均经过「临时撤掉修复 → 测试失败」的可信验证）packages/core: 1163 测，仅 2 个既有环境失败（Watcher/.git、ProjectCopy worktree），与本批无关chore 说明
oxlint warning ratchet 4734 → 4831：其中 4826 为本批 DAG 提交态实测（新增测试沿用既有
as never惯例产生的no-unsafe-type-assertion警告，既有 committed DAG 测试同样大量存在），另 5 为工作树内同批未入本 PR 的非 DAG 改动贡献。不在本 PR（留在工作树，后续 PR）
已知遗留（不阻断，review 记录在案）
escalation_pending终态不清理：同一状态机问题，建议后续 change 整体处理