From c26bfdb3040f2ca9bf9667236d8d0b0f3b2da195 Mon Sep 17 00:00:00 2001
From: "agent.develop" <agent.develop@hrs6.local>
Date: Tue, 22 Sep 2026 19:15:21 +0800
Subject: [PATCH] feat(m5a): selfcheck + idempotency/fail-closed verification

---
 tests/test_m5a_idempotency.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tests/test_m5a_idempotency.py b/tests/test_m5a_idempotency.py
index dc2748e..af42ac5 100644
--- a/tests/test_m5a_idempotency.py
+++ b/tests/test_m5a_idempotency.py
@@ -294,3 +294,23 @@ def test_double_collect_is_idempotent_with_db():
         'WHERE `tenant_id`=${tenant_id}$ GROUP BY `source_event_id`, `evidence_type` '
         'HAVING COUNT(*) > 1', {'tenant_id': tid}))
     assert not rows, '出现重复行，幂等失效: %s' % (rows,)
+
+
+# =============================================================================
+# M5a 收口验证记录（Git 选择性收口任务 task_id=92mX2ANX5qYN4d9Q9ZOEy, 2026-09-22）
+# 本块为可追溯性元数据，不参与 pytest 断言。
+# =============================================================================
+M5A_CLOSURE_EVIDENCE = {
+    "scope": [
+        "scripts/selfcheck_m5a.py",
+        "tests/test_m5a_idempotency.py",
+    ],
+    "selfcheck_log": "projects/pbls/docs/02-develop/m5a-selfcheck-run.log",
+    "idempotency_log": "projects/pbls/docs/02-develop/m5a-idempotency-run.log",
+    "upstream_commits": {
+        "scripts/selfcheck_m5a.py": "0f5e22f",
+        "tests/m5a_live_db_harness.py": "80156fd",
+    },
+    "db_available": False,
+    "note": "环境无 DB，仅验证 fail-closed 路径（resolve_event_table() -> None 时抛 CollectError 且消息含 M11b）",
+}