diff --git a/.task/archive/feature-norm-remediation-u3.md b/.task/archive/feature-norm-remediation-u3.md
index 6b7bfd94..19aa6873 100644
--- a/.task/archive/feature-norm-remediation-u3.md
+++ b/.task/archive/feature-norm-remediation-u3.md
@@ -185,3 +185,37 @@
 - 本卡在 PR #620（https://git-home.u1680832.nyat.app:30319/weichen/Agent-System-Dev/pulls/620）合入前闭合并归档，随该 PR 一同合入。
 - 该 PR 的合并提交即本任务的落地记录。
 - 合入后无需回填，也无需单独的闭合 PR。
+
+<!-- Local receipt: SELF. Digests detect corruption; they do not authenticate a reviewer or CI. -->
+```json
+{
+  "summary_schema": 1,
+  "source": "SELF",
+  "timestamp": "2026-10-18T17:00:44.968802+00:00",
+  "command": "make task-close SELF=1",
+  "exit_code": 0,
+  "cwd": "/home/weichen/projects/Agent-System-Dev-wt-feature-norm-remediation-u3",
+  "before_head": "56d16ac458de980511da70f9dbeec4f0fbdab6e9",
+  "after_head": "1f34c35e446a3a93959fda4daf7bbdcab0819f81",
+  "branch": "feature/norm-remediation-u3",
+  "target_branch": "main",
+  "target_head": "eef7e5e778cabcb6216f74b74213a3d7511f383b",
+  "root_target": "feature/norm-remediation",
+  "immediate_target": "feature/norm-remediation",
+  "before_tracked_diff_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+  "after_tracked_diff_sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+  "output_tail": [
+    "make[1]: Entering directory '/home/weichen/projects/Agent-System-Dev-wt-feature-norm-remediation-u3'",
+    "admit: ok",
+    "remote: ",
+    "remote: Create a new pull request for 'feature/norm-remediation-u3':        ",
+    "remote:   https://git-panel.u1680832.nyat.app:30319/weichen/Agent-System-Dev/pulls/new/feature/norm-remediation-u3        ",
+    "remote: ",
+    "[closed] .task/feature-norm-remediation-u3.md 已在 PR #620 合入前闭合并归档；合入后无需 task-close",
+    "make[1]: Leaving directory '/home/weichen/projects/Agent-System-Dev-wt-feature-norm-remediation-u3'"
+  ],
+  "output_sha256": "656fc7c46263e0b49916551bc77638a287adaf06f42197540607c9ae0fb564a4",
+  "receipt_sha256": "183eb304dfa804b340e56d129108f413f5616aa653a3225d5f5ee58e505bc013",
+  "receipt_path": "/home/weichen/.cache/agent-system-dev/evidence/183eb304dfa804b340e56d129108f413f5616aa653a3225d5f5ee58e505bc013.json"
+}
+```