Fix: Use Handler instead of coroutine scope

app/src/main/java/com/nexlab/openclaw/node/data/remote/NodeClient.kt

@@ -307,11 +307,10 @@ class NodeClient() {
                     Log.d(TAG, "Connection rejected due to device auth, will send pairing request on reconnect")
                     // Set flag to send pairing request after reconnect
                     pendingPairingAfterConnect = true
-                    // Reconnect
-                    scope.launch {
-                        delay(500) // Brief delay before reconnecting
+                    // Reconnect after brief delay using Handler
+                    android.os.Handler(android.os.Looper.getMainLooper()).postDelayed({
                         connect(currentNodeId, currentToken, capabilities)
-                    }
+                    }, 500)
                     return
                 }