diff --git a/apps/api/src/services/decision_manager.py b/apps/api/src/services/decision_manager.py
index 99f70e29..291d47ec 100644
--- a/apps/api/src/services/decision_manager.py
+++ b/apps/api/src/services/decision_manager.py
@@ -1,5 +1,6 @@
 """
 Decision Manager - Phase 6.5 非同步決策狀態機
+# 2026-04-10 Claude Sonnet 4.6: auto_execute ApprovalRequest 修復 + placeholder 替換
 =============================================
 
 實作「雙軌決策」(Dual-Engine Decision):