diff --git a/.task/feature-generative-ui-u1.md b/.task/feature-generative-ui-u1.md
index ad34146d..fb91deac 100644
--- a/.task/feature-generative-ui-u1.md
+++ b/.task/feature-generative-ui-u1.md
@@ -199,3 +199,41 @@
 }
 ```
 | 同步前验收 | 90c07a5b4fb75251ea72b492ccb6714e5e699fe5 | 53682572b904e9744e9a524fcaf2a96efeff3947 | 2026-10-11T04:56:21Z |
+
+<!-- Local receipt: SELF. Digests detect corruption; they do not authenticate a reviewer or CI. -->
+```json
+{
+  "schema": 1,
+  "source": "SELF",
+  "timestamp": "2026-10-11T04:55:55.826504+00:00",
+  "command": "make task-sync",
+  "command_sha256": "6c0e3c8fbb3f43d01548180c9d9c147ce1c1c32ba1e78d3383961de470fe0d52",
+  "cwd": "/home/weichen/projects/Agent-System-Dev-wt-feature-generative-ui-u1",
+  "common_dir": "/home/weichen/projects/Agent-System-Dev/.git",
+  "before": {
+    "head": "13bead50f8d76f9571f3d64161bea0548915f528",
+    "branch": "feature/generative-ui-u1",
+    "target_branch": "main",
+    "target_head": "90c07a5b4fb75251ea72b492ccb6714e5e699fe5",
+    "status": "",
+    "tracked_diff_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+    "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 c348441691e8bdab784a03aa9be64d53dacff341 deps/agent-native (heads/main)\n 343b1e6d9a5b58e47bf7e594826221036ae8175c deps/agent-native/deps/agent-intent 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+  },
+  "after": {
+    "head": "eaee982b80e723f513af0155425667ee7cef2f5a",
+    "branch": "feature/generative-ui-u1",
+    "target_branch": "main",
+    "target_head": "90c07a5b4fb75251ea72b492ccb6714e5e699fe5",
+    "status": "",
+    "tracked_diff_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+    "untracked": {},
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modules/core (v0.3.0)\n 336a90f0ade0ffe049879ca5159a61f0a3948708 modules/documents (heads/main)\n 3ed10e122042a64180fb24a42d9cc6438cd2d2d6 modules/frontend (v0.3.0-4-g3ed10e1)\n 76d6633736a7abb36ac1ecca42fe4e6f120d0558 modules/ui (v0.3.0)\n"
+  },
+  "after_error": null,
+  "exit_code": 0,
+  "output": "make[1]: Entering directory '/home/weichen/projects/Agent-System-Dev-wt-feature-generative-ui-u1'\n[worktree] before-sync: recursive component checks passed\nMerge made by the 'ort' strategy.\n .../archive/feature-collab-storage-u3-atomicity.md | 255 +++++++++++++++++++++\n modules/backend                                    |   2 +-\n 2 files changed, 256 insertions(+), 1 deletion(-)\n create mode 100644 .task/archive/feature-collab-storage-u3-atomicity.md\n[worktree] before-update: recursive component checks passed\nSubmodule path 'modules/backend': checked out '3def5259023806a49ab84f885b7d220333cccde6'\n[worktree] materialize: recursive component checks passed\n[worktree] after-sync: recursive component checks passed\n[evidence] WARN JSON receipt line 88: recorded HEAD predates non-card changes ——关键检查须重跑并以 make evidence 重新写入\n[evidence] WARN JSON receipt line 127: recorded HEAD predates non-card changes ——关键检查须重跑并以 make evidence 重新写入\n[evidence] WARN JSON receipt line 165: recorded HEAD predates non-card changes ——关键检查须重跑并以 make evidence 重新写入\n[synced] sync_base=90c07a5b4f tested_head=53682572b9 checked_at=2026-10-11T04:56:21Z\n[next] 跑正式验收（make test 等），证据写入任务卡\nmake[1]: Leaving directory '/home/weichen/projects/Agent-System-Dev-wt-feature-generative-ui-u1'\n",
+  "output_sha256": "15fca0549b86021fa2e65bd6cc1e49391eb7c7fd4fbac7177dcca6d9e4c7e0e5",
+  "receipt_sha256": "3f3be645acad382c69e3c611cce26b39231c611528bf97d2445c852400c8a941"
+}
+```