Complete local hybrid search and improve agent reliability

SovereignAI-Starter/flutter_app/lib/main.dart

@@ -6,10 +6,12 @@ import 'core/network/api_repository.dart';
 import 'core/notifications/completion_notification_service.dart';
 import 'features/audio/presentation/cubit/voice_cubit.dart';
 import 'features/chat/presentation/cubit/chat_cubit.dart';
+import 'features/chat/presentation/cubit/chat_state.dart';
 import 'features/chat/presentation/pages/chat_page.dart';
 
 const _green = Color(0xFF167C68);
 const _paper = Color(0xFFF6F5F0);
+const _night = Color(0xFF101A18);
 
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -38,15 +40,33 @@ class SovereignApp extends StatelessWidget {
   const SovereignApp({super.key});
 
   @override
-  Widget build(BuildContext context) => MaterialApp(
-    title: 'Mithqal AI',
-    debugShowCheckedModeBanner: false,
-    theme: ThemeData(
-      useMaterial3: true,
-      scaffoldBackgroundColor: _paper,
-      colorScheme: ColorScheme.fromSeed(seedColor: _green, surface: _paper),
-      fontFamily: 'Segoe UI',
-    ),
-    home: const ChatPage(),
+  Widget build(BuildContext context) => BlocBuilder<ChatCubit, ChatState>(
+    builder:
+        (context, state) => MaterialApp(
+          title: 'Mithqal AI',
+          debugShowCheckedModeBanner: false,
+          themeMode: state.isDarkMode ? ThemeMode.dark : ThemeMode.light,
+          theme: ThemeData(
+            useMaterial3: true,
+            scaffoldBackgroundColor: _paper,
+            colorScheme: ColorScheme.fromSeed(
+              seedColor: _green,
+              surface: _paper,
+            ),
+            fontFamily: 'Segoe UI',
+          ),
+          darkTheme: ThemeData(
+            useMaterial3: true,
+            brightness: Brightness.dark,
+            scaffoldBackgroundColor: _night,
+            colorScheme: ColorScheme.fromSeed(
+              seedColor: const Color(0xFF57C6A4),
+              brightness: Brightness.dark,
+              surface: _night,
+            ),
+            fontFamily: 'Segoe UI',
+          ),
+          home: const ChatPage(),
+        ),
   );
 }