diff --git a/docs/README.md b/docs/README.md
index b664b8d..71d30d0 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,5 +1,6 @@
 ---
 last_validated: 2026-04-02
+validated_by: masami-agent
 ---
 
 # OpenClaw 文件索引（docs/）
diff --git a/docs/STYLE_GUIDE.md b/docs/STYLE_GUIDE.md
index 69449fe..f3a17e6 100644
--- a/docs/STYLE_GUIDE.md
+++ b/docs/STYLE_GUIDE.md
@@ -1,5 +1,6 @@
 ---
 last_validated: 2026-04-02
+validated_by: masami-agent
 ---
 
 # OpenClaw Docs Style Guide（寫作規約）
diff --git a/docs/cron.md b/docs/cron.md
index 91f1946..1671eed 100644
--- a/docs/cron.md
+++ b/docs/cron.md
@@ -1,5 +1,6 @@
 ---
 last_validated: 2026-04-02
+validated_by: masami-agent
 ---
 
 # OpenClaw Cron 調度系統
diff --git a/docs/start.md b/docs/start.md
index b4131ed..6a69ea9 100644
--- a/docs/start.md
+++ b/docs/start.md
@@ -1,5 +1,6 @@
 ---
 last_validated: 2026-04-02
+validated_by: masami-agent
 ---
 
 # Start / Onboarding（最小可行）
diff --git a/docs/troubleshooting.md b/docs/troubleshooting.md
index abace2e..dcaff9a 100644
--- a/docs/troubleshooting.md
+++ b/docs/troubleshooting.md
@@ -1,5 +1,6 @@
 ---
 last_validated: 2026-04-02
+validated_by: masami-agent
 ---
 
 # Troubleshooting（常見故障排除）