diff --git a/docs/core/approval-first-workflow.md b/docs/core/approval-first-workflow.md
index 8dd4425..951d038 100644
--- a/docs/core/approval-first-workflow.md
+++ b/docs/core/approval-first-workflow.md
@@ -1,3 +1,8 @@
+---
+last_validated: 2026-04-13
+validated_by: masami-agent
+---
+
 # Approval-first 工作流（個人 OpenClaw Agent）
 
 ## TL;DR