🐛 Fix bugs

lib/screens/chat/search_messages.dart

@@ -94,11 +94,20 @@ class SearchMessagesScreen extends HookConsumerWidget {
       return () {
         debounceTimer.value?.cancel();
         messagesNotifier.clearSearch();
-        // Clear flashing messages when leaving search
-        ref.read(flashingMessagesProvider.notifier).state = {};
+        // Note: Don't access ref here as widget may be disposed
+        // Flashing messages will be cleared by the next screen or jump operation
       };
     }, []);
 
+    // Clear flashing messages when screen initializes (safer than in dispose)
+    useEffect(() {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        // Clear flashing messages when entering search screen
+        ref.read(flashingMessagesProvider.notifier).state = {};
+      });
+      return null;
+    }, []);
+
     return AppScaffold(
       appBar: AppBar(
         title: const Text('searchMessages').tr(),