diff --git a/.task/feature-regulations-kb.md b/.task/feature-regulations-kb.md
index 6fdf621c..4f21adb3 100644
--- a/.task/feature-regulations-kb.md
+++ b/.task/feature-regulations-kb.md
@@ -352,3 +352,42 @@
   "receipt_path": "/home/weichen/.cache/agent-system-dev/evidence/1b63184493f6cf51a4d98a6e9b556201a5a7961392200986e90315aaf2ae515d.json"
 }
 ```
+
+<!-- Local receipt: SELF. Digests detect corruption; they do not authenticate a reviewer or CI. -->
+```json
+{
+  "summary_schema": 1,
+  "source": "SELF",
+  "timestamp": "2026-10-18T12:40:24.125853+00:00",
+  "command": "make task-sync",
+  "exit_code": 0,
+  "cwd": "/home/weichen/projects/Agent-System-Dev-wt-feature-regulations-kb",
+  "before_head": "d5134671ab6b45e6791c1ebcf8fcb5a10d6253d0",
+  "after_head": "d5134671ab6b45e6791c1ebcf8fcb5a10d6253d0",
+  "branch": "feature/regulations-kb",
+  "target_branch": "main",
+  "target_head": "a5f3ce5ac1d1a5f366b08d8e87a1379f84ac7cdf",
+  "root_target": "main",
+  "immediate_target": "main",
+  "before_tracked_diff_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+  "after_tracked_diff_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+  "output_tail": [
+    "make[1]: Entering directory '/home/weichen/projects/Agent-System-Dev-wt-feature-regulations-kb'",
+    "[worktree] before-sync: recursive component checks passed",
+    "[worktree] before-update: recursive component checks passed",
+    "[worktree] materialize: recursive component checks passed",
+    "[worktree] after-sync: recursive component checks passed",
+    "[evidence] WARN JSON receipt line 161: unverified: recorded component state was not at its pinned SHA ——关键检查须重跑并以 make evidence 重新写入",
+    "[evidence] WARN JSON receipt line 203: unverified: recorded component state was not at its pinned SHA ——关键检查须重跑并以 make evidence 重新写入",
+    "[evidence] WARN JSON receipt line 234: recorded HEAD predates non-card changes ——关键检查须重跑并以 make evidence 重新写入",
+    "[evidence] WARN JSON receipt line 275: recorded HEAD predates non-card changes ——关键检查须重跑并以 make evidence 重新写入",
+    "[evidence] WARN JSON receipt line 316: recorded HEAD predates non-card changes ——关键检查须重跑并以 make evidence 重新写入",
+    "[synced] sync_base=a5f3ce5ac1d1a5f366b08d8e87a1379f84ac7cdf tested_head=d5134671ab6b45e6791c1ebcf8fcb5a10d6253d0 checked_at=2026-10-18T12:40:58Z changed=0 sync_target=main",
+    "[next] 跑正式验收（make test 等），证据写入任务卡",
+    "make[1]: Leaving directory '/home/weichen/projects/Agent-System-Dev-wt-feature-regulations-kb'"
+  ],
+  "output_sha256": "9e703c40b238a0b62b878f7ea256da658543ff7bbbdced7550e4827f3b248c59",
+  "receipt_sha256": "4e28bf18dd14890939bd04bf1910e874af9b29ced4b77128429e9825cda3791b",
+  "receipt_path": "/home/weichen/.cache/agent-system-dev/evidence/4e28bf18dd14890939bd04bf1910e874af9b29ced4b77128429e9825cda3791b.json"
+}
+```