diff --git a/.openclaw-sync/source.json b/.openclaw-sync/source.json
index 2075ee941..9121eccd6 100644
--- a/.openclaw-sync/source.json
+++ b/.openclaw-sync/source.json
@@ -1,5 +1,5 @@
 {
   "repository": "openclaw/openclaw",
-  "sha": "7f6452897e25543c9263b67aabf140379d1c0b0c",
-  "syncedAt": "2026-04-25T04:57:18.554Z"
+  "sha": "3f63ba8fd808f46566aabbca194fa54c2d6b4871",
+  "syncedAt": "2026-04-25T05:11:57.135Z"
 }
diff --git a/docs/gateway/heartbeat.md b/docs/gateway/heartbeat.md
index 8bc9f63cf..008c44782 100644
--- a/docs/gateway/heartbeat.md
+++ b/docs/gateway/heartbeat.md
@@ -265,6 +265,9 @@ Use `accountId` to target a specific account on multi-account channels like Tele
   send chat output to, and it is disabled by `typingMode: "never"`.
 - Heartbeat-only replies do **not** keep the session alive; the last `updatedAt`
   is restored so idle expiry behaves normally.
+- Control UI and WebChat history hide heartbeat prompts and OK-only
+  acknowledgments. The underlying session transcript can still contain those
+  turns for audit/replay.
 - Detached [background tasks](/automation/tasks) can enqueue a system event and wake heartbeat when the main session should notice something quickly. That wake does not make the heartbeat run a background task.
 
 ## Visibility controls