diff --git a/.task/feature-fast-slow-u2-u3-plan.md b/.task/feature-fast-slow-u2-u3-plan.md
index ad53dc54..04f9b54f 100644
--- a/.task/feature-fast-slow-u2-u3-plan.md
+++ b/.task/feature-fast-slow-u2-u3-plan.md
@@ -1,6 +1,6 @@
 # feature/fast-slow-u2-u3-plan 任务卡
 
-任务主记录：modules/documents/docs/proposals/2026-10-13-fast-slow-u2-u3-plan.md r0.1；质量修订 r0.2/r0.3/r0.4 见 Documents proposals；状态：r0.2 唯一获批 A01 因无依据分期归属而语义 FAIL；r0.3 唯一获批 A01 因不完整检查点参数而零阶段成果、最终正文缺失，质量 FAIL；r0.4 零付费实施在 Dev `aedcc7c` 获阶段6人工确认，新付费 A01 仍须单独授权；主干后续推进带来 Backend/Dev 同步，新组合验证中；八个 PR 草稿，未合入/部署；owner：weichen
+任务主记录：modules/documents/docs/proposals/2026-10-13-fast-slow-u2-u3-plan.md r0.1；质量修订 r0.2/r0.3/r0.4 见 Documents proposals；状态：r0.2 唯一获批 A01 因无依据分期归属而语义 FAIL；r0.3 唯一获批 A01 因不完整检查点参数而零阶段成果、最终正文缺失，质量 FAIL；r0.4 零付费实施在 Dev `aedcc7c` 获阶段6人工确认，当前另获**一次**受控 A01 资源授权，独立标签已零付费准备但真实模型仍 NOT_RUN；主干同步后的新组合与当前 HEAD CI 待固定；八个 PR 草稿，未合入/部署；owner：weichen
 
 ## 基线与授权
 
@@ -20,6 +20,7 @@
 - r0.4 计划候选：Documents `276f885e7301bd39ae2d464c7469a37fe10ebf22` 的六单元／三十步计划已写成；Dev 在暂存该 gitlink 的组合上 `make test` exit0，完整 SELF 收据 `/tmp/fast-slow-u3-r04-20261014-plan-combo-test.json` 已由工具导入下方。这只证明当前文档指针组合可测，计划仍待人工批准，r0.4 行为及真实模型质量均 `NOT_RUN`。
 - r0.4 计划实施授权：用户 2026-10-14 明确答复“批准计划，开始零付费实施”；按 Documents `276f885e7301bd39ae2d464c7469a37fe10ebf22` 六单元实施和验证。新付费 A01 仍须候选固定后另行审批；旧 r0.3 失败和额度不沿用。此前两条“待批准”记录保留其当时状态，当前以本条为准。
 - r0.4 阶段6人工结论：用户在本会话对 [阶段6评审材料](/tmp/fast-slow-u3-r04-20261014/stage6-review.md) 与 [独立复审原件](/tmp/fast-slow-u3-r04-20261014/independent-review.md) 明确选择“确认阶段6通过，进入资源审批（推荐）”；记录时间 2026-10-14 13:05（Asia/Shanghai），评审对象 Dev `aedcc7c61e23128b6ac4ffff8642e266df5eabec`、其八组件、Dev run 3063 三项精确HEAD CI及六项浏览器/PG零付费机制。阶段6结论为**通过**，只授权进入[单独资源提案](/tmp/fast-slow-u3-r04-20261014/A01-resource-proposal.md)评审，不授权付费模型调用、合入或部署；书面记录见[阶段6结论](/tmp/fast-slow-u3-r04-20261014/stage6-decision.md)。主干随后推进，需按影响验证新候选，不把旧CI冒充新对象。
+- r0.4 一次性 A01 资源授权：用户在本会话对[资源提案](/tmp/fast-slow-u3-r04-20261014/A01-resource-proposal.md)明确选择“批准这一次受控 A01 复验（推荐）”；记录时间 2026-10-14 13:24（Asia/Shanghai），基线 Dev `ffb0ff5c796022286868819855179ec0385f636b`、Backend `549798c0a08806e45eb065ad0ea2568283651b2d`。边界为最多2个付费run、每run 30000 tokens/8轮/12工具/300秒、单次输出4000 tokens、已返回Usage整批目标≤60000（在途可略超）；无自动重试、补跑、换模型/回退，检查点拒绝、缺Usage、终态不完整、记录不可写或额度达到边界后不得发后继请求。完整授权与提案哈希见[授权记录](/tmp/fast-slow-u3-r04-20261014/A01-authorization.md)。仅批准这一轮质量试验，不含合入/部署；标签准备与后续新 SHA 的准确CI/预检均为正式启动前置，至今真实模型 NOT_RUN。
 
 ## 目标与范围
 
@@ -35,7 +36,7 @@
 |---|---|
 | 1–4既有方向、5计划 | 用户确认通过；新增范围明确批准 |
 | 6实施与自检 | 用户确认 Dev `aedcc7c` 的 r0.4 零付费实施通过阶段6；主干后续同步保持 U3 行为，新的固定对象须补足按影响验证 |
-| 7正式验收 | r0.2/r0.3 真模型质量 FAIL 保留；r0.4 真实 A01 尚无新的资源授权、NOT_RUN，人工正式验收未评审 |
+| 7正式验收 | r0.2/r0.3 真模型质量 FAIL 保留；r0.4 一次性 A01 资源已单独获准，但真实模型尚未运行、NOT_RUN，人工正式验收未评审 |
 | 8代码Review | 独立审阅者对 Dev `aedcc7c` 的五项问题重放闭合；后续主干同步的组合影响仍须复看 |
 | 9CI与合入 | Dev `aedcc7c` 精确HEAD三项CI已通过；同步后新HEAD尚未验证，质量门禁未通过，八PR仍为草稿且未合入 |
 | 10收口 | 保存源码及原始证据，任务工作区保留，未回收 |
@@ -44,7 +45,11 @@
 
 ## 当前验证与结果
 
-r0.4阶段6后主干同步：用户确认 Dev `aedcc7c` 的零付费实施通过阶段6，但未批准新付费样本。恢复启动检查 `SELF` 收据 `/tmp/fast-slow-u3-r04-20261014-stage6-resume-precheck.json` 因权威 main 05b997b 后移判 `SYNC_REQUIRED`；首次 `make task-sync` 在 Backend gitlink 冲突退出，原始收据 `/tmp/fast-slow-u3-r04-20261014-resource-sync.json` 已导入，不把旧候选的CI冒充新对象。Backend feature `549798c` 纳入已合入的U7账户事务主干，`internal/app/app.go` 与U3启动顺序改动位于不同段落；完整 Go vet/test 与无付费 live-tag 检查通过。Dev `34796df` 保留主干U7文档、任务卡及合并后的Backend指针；新的启动检查 `/tmp/fast-slow-u3-r04-20261014-stage6-resume-ready.json` 为READY并经 `make task-resume` 导入。严格pin预检 `/tmp/fast-slow-u3-r04-20261014-resource-sync-pins.json` exit0；完整Dev组合、任务自有PG/浏览器、独立影响复看和当前HEAD平台CI仍待重验。阶段6原结论在U3行为未变的范围内保留，若发现公开契约、权限、预算或验收条件变化，返回相应人工评审；新付费A01仍NOT_RUN。
+r0.4一次性资源准备：在用户单独批准受控A01后，Backend `37e2cb7adb6202902345d38bc591e12be7aa79c0` 才加入独立 `approved-r04-20261014` 标签（每run 30000 tokens且启用既有2-run守卫）与 `candidate-r04-a01.json` 输出名；两个标签/输出选择测试先RED后GREEN，完整 Backend vet/Go 与定向 live-tag 假流集本地通过。Dev 暂存该 gitlink 的定向零付费测试 `SELF` 收据 `/tmp/fast-slow-u3-r04-20261014-label-tests.json` 已由工具导入；`TestWorkCheckpoints` 未运行，未提供模型路由/实例、未发付费请求。正式启动仍以新Dev准确HEAD CI、无漂移预检和本一次性授权边界为前置。
+
+r0.4一次性标签组合：暂存 Backend `37e2cb7` 后，Dev严格指针检查 exit0，完整SELF收据 `/tmp/fast-slow-u3-r04-20261014-label-pins.json` 已导入；同一暂存组合 `make build` exit0，SELF收据 `/tmp/fast-slow-u3-r04-20261014-label-build.json` 已导入。构建版本明确 Backend `37e2cb7`，但这是未提交的Dev组合；准确新Dev HEAD 的完整CI、原材料/路由/空目录预检均须在任何付费调用前通过。
+
+r0.4阶段6后主干同步：用户确认 Dev `aedcc7c` 的零付费实施通过阶段6，但当时未批准新付费样本。恢复启动检查 `SELF` 收据 `/tmp/fast-slow-u3-r04-20261014-stage6-resume-precheck.json` 因权威 main 05b997b 后移判 `SYNC_REQUIRED`；首次 `make task-sync` 在 Backend gitlink 冲突退出，原始收据 `/tmp/fast-slow-u3-r04-20261014-resource-sync.json` 已导入，不把旧候选的CI冒充新对象。Backend feature `549798c` 纳入已合入的U7账户事务主干，`internal/app/app.go` 与U3启动顺序改动位于不同段落；完整 Go vet/test 与无付费 live-tag 检查通过。Dev `34796df` 保留主干U7文档、任务卡及合并后的Backend指针；新的启动检查 `/tmp/fast-slow-u3-r04-20261014-stage6-resume-ready.json` 为READY并经 `make task-resume` 导入。严格pin预检 `/tmp/fast-slow-u3-r04-20261014-resource-sync-pins.json` exit0；之后的新组合验证与平台CI已另行记录，历史状态不沿用。阶段6原结论在U3行为未变的范围内保留，若发现公开契约、权限、预算或验收条件变化，返回相应人工评审；本段记录的是授权前状态。
 
 r0.2初始组件候选：Backend 373f8a1141a0d00c9d7fd062d90b04f793430182；UI ccc43e69df789e594563173ac78a988e04e62390；Documents 72e11c5eb8eb23fdbfc69e71dfc83376778d3599。Backend完整 `go test ./... -count=1` PASS，材料路径定向 race PASS；UI 17文件/158测试及typecheck PASS；Frontend受影响的五项 store/阅读/布局/设计守护文件共84测试 PASS。均为本地SELF；新模型对照为NOT_RUN，旧FAIL不追溯改判。
 
@@ -126,9 +131,9 @@ r0.3最终零付费组合：Dev `ef6f650` 固定同一五组件上 `make test &&
 
 ## 规划进展与下一步
 
-r0.2唯一获批A01已执行，语义质量FAIL；r0.3唯一获批A01执行质量FAIL，两个结果原样保留。r0.4书面设计、详细实施计划及 Dev `aedcc7c` 零付费实施产物已获用户阶段6确认；独立代码复审五项问题闭合，原候选精确HEAD CI 与任务自有PG/浏览器均通过。主干 U7 账户事务随后合入，Backend `549798c` 与 Dev `34796df` 已同步保留两边行为；新组合仍待测试与精确HEAD CI。本次不合入或部署。
+r0.2唯一获批A01已执行，语义质量FAIL；r0.3唯一获批A01执行质量FAIL，两个结果原样保留。r0.4书面设计、详细实施计划及 Dev `aedcc7c` 零付费实施产物已获用户阶段6确认；独立代码复审五项问题闭合。主干 U7 账户事务及治理闭合随后纳入 Dev `ffb0ff5`，Backend `549798c`；独立影响复审、该HEAD三项平台CI、PG、浏览器及预检通过。用户又单独批准一次受控A01资源；Backend 新独立标签 `37e2cb7` 已零付费 RED→GREEN，需固定新Dev HEAD并重验CI后方可调用模型。本次不合入或部署。
 
-下一步对同步后 Backend/Dev 组合做完整测试、任务自有PG/浏览器与按影响复审，核对新准确HEAD CI；然后单独提交一次性 A01 资源提案，获新授权并建立独立一次性标签后才运行模型。只有取得真正有用且语义正确的阶段成果和最终结果/Usage、完成人工阶段7验收及精确HEAD CI后才可关闭质量门禁并按计划合入。既有服务不变，U4与部署未启动。
+下一步固定 Backend `37e2cb7` 的新 Dev 指针，在新准确HEAD通过必需CI与启动前只读预检后执行唯一获准的A01，按逐调用Usage、运行中卡片、每条短引及最终正文判质量。任何FAIL停止并保留草稿PR，不自动重跑；PASS仍须人工阶段7验收及最新HEAD CI/Review，随后才可按计划合入。既有服务不变，U4与部署未启动。
 
 ## 合入与清理
 
@@ -8222,3 +8227,117 @@ Dev草稿PR #512及Core #31、Backend #193、Frontend #79、UI #51、Documents #
 }
 ```
 | 同步（记录前对象） | 4f84c2e1630cd0311643529fae1c3a99f1dd5d64 | 4412df508ea707f1cd1cf0b39066c362206aa8ab | 2026-10-14T05:09:19Z |
+
+<!-- Local receipt: SELF. Digests detect corruption; they do not authenticate a reviewer or CI. -->
+```json
+{
+  "schema": 1,
+  "source": "SELF",
+  "timestamp": "2026-10-14T05:24:21.171714+00:00",
+  "command": "GOWORK=off go -C modules/backend test -tags live ./internal/server ./eval/live -run 'TestFollowupA01UsesNewBoundedAuthorization|TestFollowupA01KeepsItsOwnOneShotResult|TestEvaluationDoesNotForwardToolTerminalBeforeUsageRecorded' -count=1",
+  "command_sha256": "6591bbb663cf2ab28c118f67c7c82d594ecb709b790abb292a106019a26a040f",
+  "cwd": "/home/weichen/projects/Agent-System-Dev-wt-feature-fast-slow-u2-u3-plan",
+  "common_dir": "/home/weichen/projects/Agent-System-Dev/.git",
+  "before": {
+    "head": "ffb0ff5c796022286868819855179ec0385f636b",
+    "branch": "feature/fast-slow-u2-u3-plan",
+    "target_branch": "main",
+    "target_head": "4f84c2e1630cd0311643529fae1c3a99f1dd5d64",
+    "status": "M  modules/backend\n",
+    "tracked_diff_sha256": "9831cb2c9bdb8665da3d006ae41c560792eec39b0e3bb961f285f782c412c12f",
+    "untracked": {},
+    "submodules": " 4f583ca3eeeb07a56a714c5086de84dcd6ad2980 deps/agent-command (heads/main)\n ed2af3e6048928b1fd0ba6da1f9d0c1bafec82d4 deps/agent-command/deps/development-guidelines (remotes/origin/feature/delivery-mechanism-5-ged2af3e)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard-2-ga5e3c7c)\n 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modules/backend/deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-native/deps/error-code-system (a3ee67b)\n 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modules/backend/deps/agent-squad/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 modules/backend/deps/agent-squad/deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/agent-native/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/agent-native/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/logging-system/deps/development-guidelines (26b562d)\n b4743949e525f5e6a6dbce6509e221cac6d15db5 modules/backend/deps/agent-system-core (v0.3.0-24-gb474394)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/logging-system/deps/development-guidelines (26b562d)\n b4743949e525f5e6a6dbce6509e221cac6d15db5 modules/core (v0.3.0-24-gb474394)\n 8e66127a766af0ffaf8c461b3aca9657df817677 modules/documents (heads/feature/fast-slow-u2-u3-plan)\n c9d5acf0898dd97194953605283c7498302b3efa modules/frontend (v0.3.0-120-gc9d5acf)\n ac5b617e9e7ee6b9417b36c66d7c6e3b58ecbb42 modules/ui (v0.3.0-40-gac5b617)\n"
+  },
+  "after_error": null,
+  "exit_code": 0,
+  "output": "ok  \tagent-system-backend/internal/server\t0.113s\nok  \tagent-system-backend/eval/live\t0.004s\n",
+  "output_sha256": "13a453f00186a7a7a456ce5af9fd1a7657bc04e17d464217ac8da152418ce278",
+  "receipt_sha256": "dbb05573c5108bb0fdac2199b61fc21e962e5926e4fcc752cc9b3729617be7a0"
+}
+```
+
+<!-- Local receipt: SELF. Digests detect corruption; they do not authenticate a reviewer or CI. -->
+```json
+{
+  "schema": 1,
+  "source": "SELF",
+  "timestamp": "2026-10-14T05:25:45.599678+00:00",
+  "command": "make test-pins",
+  "command_sha256": "22fb70c2a8c70bce50752b1643a4a36f23905e79717826039a99fa1a7e6a43c0",
+  "cwd": "/home/weichen/projects/Agent-System-Dev-wt-feature-fast-slow-u2-u3-plan",
+  "common_dir": "/home/weichen/projects/Agent-System-Dev/.git",
+  "before": {
+    "head": "ffb0ff5c796022286868819855179ec0385f636b",
+    "branch": "feature/fast-slow-u2-u3-plan",
+    "target_branch": "main",
+    "target_head": "4f84c2e1630cd0311643529fae1c3a99f1dd5d64",
+    "status": " M .task/feature-fast-slow-u2-u3-plan.md\nM  modules/backend\n",
+    "tracked_diff_sha256": "8508fa35513f1295a0f2bb9a4b2a2a4343d2316c65ca6b016956382bb67a41b7",
+    "untracked": {},
+    "submodules": " 4f583ca3eeeb07a56a714c5086de84dcd6ad2980 deps/agent-command (heads/main)\n ed2af3e6048928b1fd0ba6da1f9d0c1bafec82d4 deps/agent-command/deps/development-guidelines (remotes/origin/feature/delivery-mechanism-5-ged2af3e)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard-2-ga5e3c7c)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-native/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 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26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 deps/agent-squad/deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard-2-ga5e3c7c)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-squad/deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-squad/deps/agent-native/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-squad/deps/agent-native/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-squad/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-squad/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/logging-system/deps/development-guidelines (26b562d)\n 2f5b19872be2a4597838a4131ad75d1be089ee5e deps/development-guidelines (remotes/origin/HEAD)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/logging-system/deps/development-guidelines (26b562d)\n 37e2cb7adb6202902345d38bc591e12be7aa79c0 modules/backend (v0.3.0-232-g37e2cb7)\n 4f583ca3eeeb07a56a714c5086de84dcd6ad2980 modules/backend/deps/agent-command (heads/main)\n ed2af3e6048928b1fd0ba6da1f9d0c1bafec82d4 modules/backend/deps/agent-command/deps/development-guidelines (remotes/origin/feature/delivery-mechanism-5-ged2af3e)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c modules/backend/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 modules/backend/deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard-2-ga5e3c7c)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c 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modules/backend/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/logging-system/deps/development-guidelines (26b562d)\n b4743949e525f5e6a6dbce6509e221cac6d15db5 modules/core (v0.3.0-24-gb474394)\n 8e66127a766af0ffaf8c461b3aca9657df817677 modules/documents (heads/feature/fast-slow-u2-u3-plan)\n c9d5acf0898dd97194953605283c7498302b3efa modules/frontend (v0.3.0-120-gc9d5acf)\n ac5b617e9e7ee6b9417b36c66d7c6e3b58ecbb42 modules/ui (v0.3.0-40-gac5b617)\n"
+  },
+  "after_error": null,
+  "exit_code": 0,
+  "output": "make[1]: Entering directory '/home/weichen/projects/Agent-System-Dev-wt-feature-fast-slow-u2-u3-plan'\npython3 scripts/check-worktree.py verify\n[worktree] verify: recursive component checks passed\nbash scripts/check-pins.sh\nok modules/backend agent-command\nok modules/backend agent-intent\nok modules/backend agent-native\nok modules/backend agent-squad\nok modules/backend agent-system-core\nok modules/backend error-code-system\nok modules/backend logging-system\nok deps/agent-native agent-intent\nwarn: deps/agent-native deps/development-guidelines is 26b562d2e34f, Dev is 2f5b19872be2\nok deps/agent-native error-code-system\nok deps/agent-native logging-system\nok deps/agent-squad agent-intent\nok deps/agent-squad agent-native\nwarn: deps/agent-squad deps/development-guidelines is 26b562d2e34f, Dev is 2f5b19872be2\nok deps/agent-squad error-code-system\nok deps/agent-squad logging-system\nwarn: deps/agent-intent deps/development-guidelines is 26b562d2e34f, Dev is 2f5b19872be2\nok deps/agent-intent error-code-system\nok deps/agent-intent logging-system\npins ok\nmake[1]: Leaving directory '/home/weichen/projects/Agent-System-Dev-wt-feature-fast-slow-u2-u3-plan'\n",
+  "output_sha256": "7f6151d6f38f9af0b044badb0a9f4ad1977eafe53260d6707ebdd64af0714240",
+  "receipt_sha256": "3c092979fc91bf35e33eab29e63695a5dd7d30e5a88f419778907ed5d456c593"
+}
+```
+
+<!-- Local receipt: SELF. Digests detect corruption; they do not authenticate a reviewer or CI. -->
+```json
+{
+  "schema": 1,
+  "source": "SELF",
+  "timestamp": "2026-10-14T05:25:57.917836+00:00",
+  "command": "make build",
+  "command_sha256": "d1121e35fa7adab170fe1ee4b6226e4bd5059535e24dc4767f1bf2b62d957399",
+  "cwd": "/home/weichen/projects/Agent-System-Dev-wt-feature-fast-slow-u2-u3-plan",
+  "common_dir": "/home/weichen/projects/Agent-System-Dev/.git",
+  "before": {
+    "head": "ffb0ff5c796022286868819855179ec0385f636b",
+    "branch": "feature/fast-slow-u2-u3-plan",
+    "target_branch": "main",
+    "target_head": "4f84c2e1630cd0311643529fae1c3a99f1dd5d64",
+    "status": " M .task/feature-fast-slow-u2-u3-plan.md\nM  modules/backend\n",
+    "tracked_diff_sha256": "8508fa35513f1295a0f2bb9a4b2a2a4343d2316c65ca6b016956382bb67a41b7",
+    "untracked": {},
+    "submodules": " 4f583ca3eeeb07a56a714c5086de84dcd6ad2980 deps/agent-command (heads/main)\n ed2af3e6048928b1fd0ba6da1f9d0c1bafec82d4 deps/agent-command/deps/development-guidelines (remotes/origin/feature/delivery-mechanism-5-ged2af3e)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard-2-ga5e3c7c)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-native/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-native/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-native/deps/logging-system/deps/development-guidelines (26b562d)\n b9a8576274087b539492a4b2fb9c4a316674ea7b deps/agent-squad (heads/feature/fast-slow-u3-r04-agent-native-pin)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-squad/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-squad/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-squad/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 deps/agent-squad/deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard-2-ga5e3c7c)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-squad/deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-squad/deps/agent-native/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-squad/deps/agent-native/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/agent-native/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/agent-squad/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/agent-squad/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/agent-squad/deps/logging-system/deps/development-guidelines (26b562d)\n 2f5b19872be2a4597838a4131ad75d1be089ee5e deps/development-guidelines (remotes/origin/HEAD)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 deps/logging-system/deps/development-guidelines (26b562d)\n 37e2cb7adb6202902345d38bc591e12be7aa79c0 modules/backend (v0.3.0-232-g37e2cb7)\n 4f583ca3eeeb07a56a714c5086de84dcd6ad2980 modules/backend/deps/agent-command (heads/main)\n ed2af3e6048928b1fd0ba6da1f9d0c1bafec82d4 modules/backend/deps/agent-command/deps/development-guidelines (remotes/origin/feature/delivery-mechanism-5-ged2af3e)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c modules/backend/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 modules/backend/deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard-2-ga5e3c7c)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c modules/backend/deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-native/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-native/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-native/deps/logging-system/deps/development-guidelines (26b562d)\n b9a8576274087b539492a4b2fb9c4a316674ea7b modules/backend/deps/agent-squad (remotes/origin/feature/fast-slow-u3-r04-agent-native-pin-2-gb9a8576)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c modules/backend/deps/agent-squad/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n a5e3c7c817166865d75b764337b15ca7d505d131 modules/backend/deps/agent-squad/deps/agent-native (remotes/origin/feature/fast-slow-u3-r04-stream-guard)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent (heads/main)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/agent-native/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/agent-native/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/logging-system/deps/development-guidelines (26b562d)\n b4743949e525f5e6a6dbce6509e221cac6d15db5 modules/backend/deps/agent-system-core (v0.3.0-24-gb474394)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/logging-system/deps/development-guidelines (26b562d)\n b4743949e525f5e6a6dbce6509e221cac6d15db5 modules/core (v0.3.0-24-gb474394)\n 8e66127a766af0ffaf8c461b3aca9657df817677 modules/documents (heads/feature/fast-slow-u2-u3-plan)\n c9d5acf0898dd97194953605283c7498302b3efa modules/frontend (v0.3.0-120-gc9d5acf)\n ac5b617e9e7ee6b9417b36c66d7c6e3b58ecbb42 modules/ui (v0.3.0-40-gac5b617)\n"
+  },
+  "after": {
+    "head": "ffb0ff5c796022286868819855179ec0385f636b",
+    "branch": "feature/fast-slow-u2-u3-plan",
+    "target_branch": "main",
+    "target_head": "4f84c2e1630cd0311643529fae1c3a99f1dd5d64",
+    "status": " M .task/feature-fast-slow-u2-u3-plan.md\nM  modules/backend\n",
+    "tracked_diff_sha256": "8508fa35513f1295a0f2bb9a4b2a2a4343d2316c65ca6b016956382bb67a41b7",
+    "untracked": {},
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26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/agent-native/deps/logging-system/deps/development-guidelines (26b562d)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/development-guidelines (26b562d)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/agent-squad/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/agent-squad/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/agent-squad/deps/logging-system/deps/development-guidelines (26b562d)\n b4743949e525f5e6a6dbce6509e221cac6d15db5 modules/backend/deps/agent-system-core (v0.3.0-24-gb474394)\n a3ee67bba269e1276c14e22c026171ecf2cf6190 modules/backend/deps/error-code-system (a3ee67b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/error-code-system/deps/development-guidelines (26b562d)\n 49b5d8be604d05e4246dffa0d10fa1c2b7ad45d7 modules/backend/deps/logging-system (49b5d8b)\n 26b562d2e34fbc560711296a309c91c74ffc55b1 modules/backend/deps/logging-system/deps/development-guidelines (26b562d)\n b4743949e525f5e6a6dbce6509e221cac6d15db5 modules/core (v0.3.0-24-gb474394)\n 8e66127a766af0ffaf8c461b3aca9657df817677 modules/documents (heads/feature/fast-slow-u2-u3-plan)\n c9d5acf0898dd97194953605283c7498302b3efa modules/frontend (v0.3.0-120-gc9d5acf)\n ac5b617e9e7ee6b9417b36c66d7c6e3b58ecbb42 modules/ui (v0.3.0-40-gac5b617)\n"
+  },
+  "after_error": null,
+  "exit_code": 0,
+  "output": "make[1]: Entering directory '/home/weichen/projects/Agent-System-Dev-wt-feature-fast-slow-u2-u3-plan'\npython3 scripts/check-worktree.py verify\n[worktree] verify: recursive component checks passed\ncp modules/core/ts/types.ts modules/frontend/src/contracts.ts.tmp\n{ echo \"// 从 Agent-System-Core ts/types.ts 同步（make contracts 生成；Core 为权威）。\"; cat modules/frontend/src/contracts.ts.tmp; } > modules/frontend/src/contracts.ts\nrm modules/frontend/src/contracts.ts.tmp\ncp modules/core/ts/types.ts modules/ui/src/contracts.ts.tmp\n{ echo \"// 从 Agent-System-Core ts/types.ts 同步（make contracts 生成；Core 为权威）。\"; cat modules/ui/src/contracts.ts.tmp; } > modules/ui/src/contracts.ts\nrm modules/ui/src/contracts.ts.tmp\ncd modules/ui && npm ci --no-fund --no-audit\nnpm warn deprecated whatwg-encoding@3.1.1: Use @exodus/bytes instead for a more spec-conformant and faster implementation\n\nadded 162 packages in 695ms\ncd modules/frontend && npm ci --no-fund --no-audit && npm run build\nnpm warn deprecated uuid@10.0.0: uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).\n\nadded 176 packages in 1s\nnpm warn install-scripts 1 package has install scripts not yet covered by allowScripts:\nnpm warn install-scripts   esbuild@0.25.12 (postinstall: node install.js)\nnpm warn install-scripts\nnpm warn install-scripts Run `npm install-scripts ls` to review, or `npm install-scripts approve <pkg>` to allow.\n\n> agent-system-frontend@0.1.0 build\n> tsc -b && vite build\n\nvite v6.4.3 building for production...\ntransforming...\n✓ 1015 modules transformed.\nrendering chunks...\ncomputing gzip size...\ndist/index.html                              0.40 kB │ gzip:   0.27 kB\ndist/assets/index-BWPiL_PS.css              93.18 kB │ gzip:  16.04 kB\ndist/assets/jszip.min-BKbmX2WV.js            0.12 kB │ gzip:   0.12 kB\ndist/assets/docx-preview-Rycje04B.js        77.41 kB │ gzip:  21.29 kB\ndist/assets/jszip.min-COCtnyLM.js           97.26 kB │ gzip:  30.16 kB\ndist/assets/index-ClFNMb9P.js              213.14 kB │ gzip:  70.03 kB\ndist/assets/xlsx-CkFp8p6R.js               429.53 kB │ gzip: 143.07 kB\ndist/assets/index-CyzxsPCw.js              571.24 kB │ gzip: 177.84 kB\ndist/assets/pptx-preview.es-i1jvJrQP.js  1,255.23 kB │ gzip: 401.46 kB\n\n(!) Some chunks are larger than 500 kB after minification. Consider:\n- Using dynamic import() to code-split the application\n- Use build.rollupOptions.output.manualChunks to improve chunking: https://rollupjs.org/configuration-options/#output-manualchunks\n- Adjust chunk size limit for this warning via build.chunkSizeWarningLimit.\n✓ built in 5.17s\nrm -rf modules/backend/web/dist && mkdir -p modules/backend/web/dist && cp -r modules/frontend/dist/* modules/backend/web/dist/ && touch modules/backend/web/dist/.gitkeep\ncd modules/backend && CGO_ENABLED=0 go build -trimpath -ldflags \"-s -w -X main.version=v0.4.0-246-gffb0ff5-dirty+core=b474394+backend=37e2cb7+frontend=c9d5acf+ui=ac5b617+agentcmd=4f583ca+documents=8e66127+native=a5e3c7c+squad=b9a8576+intent=343b1e6\" -o ../../bin/agent-system ./cmd/agent-system\ncd modules/backend && CGO_ENABLED=0 go build -trimpath -ldflags \"-s -w\" -o ../../bin/storage-migrate ./cmd/storage-migrate\nOK: bin/agent-system（版本 v0.4.0-246-gffb0ff5-dirty+core=b474394+backend=37e2cb7+frontend=c9d5acf+ui=ac5b617+agentcmd=4f583ca+documents=8e66127+native=a5e3c7c+squad=b9a8576+intent=343b1e6；随附插件目录 plugins/）+ bin/storage-migrate（协作存储 U4 迁移工具）\nmake[1]: Leaving directory '/home/weichen/projects/Agent-System-Dev-wt-feature-fast-slow-u2-u3-plan'\n",
+  "output_sha256": "30cc5d7b87481e6b2a4c4bdf418cb59a00f0f8ccabdb85a4a0da9bb0cff6f012",
+  "receipt_sha256": "e90a75fd0342cef576c80e03de22524a194bb33c907ddaf036afde5b32511f6b"
+}
+```
diff --git a/modules/backend b/modules/backend
index 549798c0..37e2cb7a 160000
--- a/modules/backend
+++ b/modules/backend
@@ -1 +1 @@
-Subproject commit 549798c0a08806e45eb065ad0ea2568283651b2d
+Subproject commit 37e2cb7adb6202902345d38bc591e12be7aa79c0