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Agent-System-Dev/.task/archive/feature-context-engineering.md
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weichen 2e1e3500ab
ci / test (pull_request) Successful in 1m54s
Close 1 merged task card(s) and archive them
Why: branches merged into main had left their task cards open; backfill status and archive to prevent bookkeeping debt.
Evidence: feature-context-engineering.md(PR#169) — merges verified via git log --merges against origin/main.
Impact: .task/*.md moved to .task/archive/ with status backfilled; no code or submodule change.
Refs: task.sh close (card-autoclose-r1)
2026-10-03 16:26:36 +00:00

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# feature/context-engineering 任务卡
任务主记录:PR #169 https://git-home.u1680832.nyat.app:30319/weichen/Agent-System-Dev/pulls/169(merge 6b9613603f);状态:已完成(回填);owner:weichen
## 基线与授权
- 权威仓:ssh://git@git-ssh.u1680832.nyat.app:31411/weichen/Agent-System-Dev.git;目标分支:main;R0(initial_base_sha)= 02b5cb82866daf6ec489d87bf8717cab584ae99f
- 工作区:/home/weichen/projects/Agent-System-Dev-wt-feature-context-engineering(worktree);分支:feature/context-engineering
- 授权与交付终点:改 agent-native 与 backend,钉 squad 与 Dev 的 gitlink,经 PR 合入 main 后在本 worktree 运行 task-finish。未授权:core 契约、frontend、发版、改写历史、分支保护、把 pi-durable 或 Chord 引入为依赖。
## 目标与非目标
- 目标:运行内清理旧工具结果(保留最近 5 条);压缩按工具组裁剪、冲突重试、连续 3 次失败熔断;改写已存在文件前必须本轮读过且 mtime 与大小未变;提醒并入最后一条工具结果或用户消息;子代理回传默认 32000 字,超出写工件;工具选择支持 +name/-name;RPC 回执 started/queued/handled;后端按字符截断。
- 非目标:权限模式、文件回滚、代码编排、产品壳运行态、流式回归修复。
## 同步记录
| 节点 | sync_base_sha | tested_head_sha | checked_at |
|---|---|---|---|
| 启动 | 02b5cb82866daf6ec489d87bf8717cab584ae99f | 02b5cb82866daf6ec489d87bf8717cab584ae99f | 2026-10-03T16:06:10Z |
| 同步前验收 | 02b5cb82866daf6ec489d87bf8717cab584ae99f | b6dba58b4dc2eed8e0dfcd90ca905d7bc58ce5a5 | 2026-10-03T16:24:22Z |
| 请求审核 | 02b5cb82866daf6ec489d87bf8717cab584ae99f | 656016a78350e86de0a7ac00b2b1c973aac4ac88 | 2026-10-03T16:25:02Z |
## 结果与验证
- 结果:agent-native 6fd1d44,agent-squad 4d53450,backend b2dc9a7。旧工具结果清理保留最近 5 条;压缩冲突会重试,连续 3 次失败熔断;提醒并入最后一条工具结果;已存在文件未读或读后变化时拒绝改写;子代理回传超过 32000 字写工件;RPC 回执 started/queued/handled;截断按字符。
- 验证:native 相关包测试通过;backend internal/runmgr、internal/tools、internal/runtime 通过;Dev `make test` 与 `make build` 通过(版本串含 native=6fd1d44、squad=4d53450、backend=b2dc9a7)。
- 影响与剩余项:默认窗口 32000 字符,工具选择为空时行为不变。权限、回滚、代码编排不在本批。
| 同步前验收 | 02b5cb82866daf6ec489d87bf8717cab584ae99f | 8a04b019d0fd4738dec894d6204c9263ad76b74e | 2026-10-03T16:25:28Z |
## 闭合记录(card-autoclose 回填)
- 依据:merge 6b9613603f22275a20671b1c55e72fafdd08b88f(PR #169)已包含于 origin/main,分支成果已落盘;本段为合入后回填。
- 合并主题:Merge pull request 'Pin context engineering across native, squad, and backend' (#169) from feature/context-engineering into main
- 归档:随闭合移入 .task/archive/;任务执行期的过程证据见原任务记录与 PR。