diff --git a/.task/feature-u7-load-fault-release.md b/.task/feature-u7-load-fault-release.md
index f9b4a2c0..26c858b3 100644
--- a/.task/feature-u7-load-fault-release.md
+++ b/.task/feature-u7-load-fault-release.md
@@ -241,3 +241,41 @@
   "receipt_sha256": "4c38bd080c75a7d37f7108807c180088f9d56d034a873608c6b56b66c806e8f8"
 }
 ```
+
+<!-- Local receipt: SELF. Digests detect corruption; they do not authenticate a reviewer or CI. -->
+```json
+{
+  "schema": 1,
+  "source": "SELF",
+  "timestamp": "2026-10-12T02:40:03.524767+00:00",
+  "command": "tests/load/collaboration/run_load.sh --profile smoke",
+  "command_sha256": "1abbf41b5c6d163ce53649e47ed4f929412b880bb7988af2f44fa8715a6c1597",
+  "cwd": "/home/weichen/projects/Agent-System-Dev-wt-feature-u7-load-fault-release",
+  "common_dir": "/home/weichen/projects/Agent-System-Dev/.git",
+  "before": {
+    "head": "86f60e6c96294b704f5a1e251d097f86e1cb25f4",
+    "branch": "feature/u7-load-fault-release",
+    "target_branch": "main",
+    "target_head": "3f32fdacbc5af91bd9212b2ded69f6559d1d92b2",
+    "status": "",
+    "tracked_diff_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+    "untracked": {},
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+    "target_branch": "main",
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deps/agent-squad/deps/logging-system/deps/development-guidelines (26b562d)\n af199eeaa23c5b39e08b4649f2513d7572dc5274 deps/development-guidelines (heads/main)\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 0a7413903deee1c71690546dfc6ee6042dd1695c modules/backend (v0.3.0-92-g0a74139)\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 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modules/backend/deps/agent-squad/deps/agent-intent/deps/logging-system/deps/development-guidelines (26b562d)\n c348441691e8bdab784a03aa9be64d53dacff341 modules/backend/deps/agent-squad/deps/agent-native (heads/main)\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 89f3906c390027512ef47b5333088c3d3a019e84 modules/backend/deps/agent-system-core (v0.3.0-9-g89f3906)\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 89f3906c390027512ef47b5333088c3d3a019e84 modules/core (v0.3.0-9-g89f3906)\n da59ccff045407b03630326bb629e746cee165a6 modules/documents (remotes/origin/feature/service-restart-recovery-plan)\n 41f6ce8760688072588d457bcdb517774627aaef modules/frontend (v0.3.0-37-g41f6ce8)\n bfecf8b51f9a0fdbd9a13590cddf8fc06b7ae700 modules/ui (v0.3.0-17-gbfecf8b)\n"
+  },
+  "after_error": null,
+  "exit_code": 1,
+  "output": "[load] 创建隔离 PG 实例 u7load（端口 18981）\n\u001b[1;34m[svc]\u001b[0m [u7load] initdb（用户 agent，认证 scram-sha-256，数据 /home/weichen/projects/Agent-System-Dev-wt-feature-u7-load-fault-release/runtime/u7load/pgdata）\n\u001b[1;32m[svc]\u001b[0m [u7load] 数据库已创建（未启动）：scripts/svc.sh u7load start\n\u001b[1;34m[svc]\u001b[0m [u7load] 连接串：scripts/svc.sh db dsn u7load --reveal（密码存 svc.env，权限 600）\n\u001b[1;34m[svc]\u001b[0m [u7load] 服务绑定：scripts/svc.sh <agent名> db u7load [--db X]（运行中自动重启生效）\n\u001b[1;34m[svc]\u001b[0m [u7load] 启动 postgres：/home/weichen/projects/Agent-System-Dev-wt-feature-u7-load-fault-release/runtime/u7load/pgdata（addr 127.0.0.1:18981）\n\u001b[1;32m[svc]\u001b[0m [u7load] 已建库：agent\n\u001b[1;32m[svc]\u001b[0m [u7load] postgres 就绪 pid=3946925 → 127.0.0.1:18981（库 agent，用户 agent）\n[load] PG DSN 已就绪（密码不回显）\n[load] 构建 backend（worktree 当前源码）与 SSE 探针\nNOTICE:  database \"u7load_app\" does not exist, skipping\n[load] 启动被测实例 127.0.0.1:18980（mock / tier=team / auth=on）\n[load] k6 未安装，跳过（见 /home/weichen/projects/Agent-System-Dev-wt-feature-u7-load-fault-release/tests/load/collaboration/results/20261012-024003/k6-skipped.txt）\n[load] SSE 可见延迟探针（60s，10 会话）\nreport: /home/weichen/projects/Agent-System-Dev-wt-feature-u7-load-fault-release/tests/load/collaboration/results/20261012-024003/sse-probe.json\nsse probe PASS: p95=16.7ms samples=119\n[load] 数据不变量对账\n       k       |  v  \n---------------+-----\n users         |   2\n projects      |   1\n conversations |  10\n messages      | 238\n events        | 238\n runs          | 119\n(6 rows)\n\n        k         | v \n------------------+---\n dup_seq_per_conv | 0\n(1 row)\n\n            k            | v \n-------------------------+---\n nonterminal_orphan_runs | 0\n(1 row)\n\n[load] 对账通过：无重复 seq；孤儿 run 报告见 invariants.txt（探针正常收口应为 0）\n[load] 完成。结果目录：/home/weichen/projects/Agent-System-Dev-wt-feature-u7-load-fault-release/tests/load/collaboration/results/20261012-024003\n",
+  "output_sha256": "6fa81564071fdf45f72efc7f117876aa314c327dcd39174a4d073b663112421c",
+  "receipt_sha256": "79a770c8e131418ac8f7ab264876f487a46c6e6d91f7854bf905a58b0cb461ea"
+}
+```