diff --git a/apps/api/src/services/ai_agent_report_no_write_analysis_runtime.py b/apps/api/src/services/ai_agent_report_no_write_analysis_runtime.py
index ade818a88..dc5e06873 100644
--- a/apps/api/src/services/ai_agent_report_no_write_analysis_runtime.py
+++ b/apps/api/src/services/ai_agent_report_no_write_analysis_runtime.py
@@ -24,6 +24,7 @@ _EXPECTED_CURRENT_TASK = "P2-407"
 _EXPECTED_NEXT_TASK = "P2-408"
 _EXPECTED_CANONICAL_ROOM = "AwoooI SRE 戰情室"
 _EXPECTED_CANONICAL_ROOM_ENV = "SRE_GROUP_CHAT_ID"
+# 2026-06-18 Codex: 部署錨點；不改變 P2-407 no-write snapshot 行為。
 _EXPECTED_SOURCE_SCHEMAS = {
     "ai_agent_report_status_board_v1",
     "ai_agent_report_automation_review_v1",