Refactor/dart define config

lib/main.dart

@@ -1,11 +1,14 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+
 import 'screens/splash_screen.dart';
 import 'screens/home/home_screen.dart';
 import 'screens/chat/chat_screen.dart';
+
 import 'services/navigation_service.dart';
 import 'services/supabase_service.dart';
 import 'services/ai_service.dart';
+
 import 'theme/theme_controller.dart';
 import 'theme/app_themes.dart';
 
@@ -18,14 +21,15 @@ void main() async {
   } catch (e) {
     debugPrint('Error initializing services: $e');
   }
-  
+
   final themeController = await ThemeController.create();
 
-runApp(
-  WidgetsBindingObserverWidget(
-    child: ChangeNotifierProvider<ThemeController>.value(
-      value: themeController,
-      child: const MyApp(),
+  runApp(
+    WidgetsBindingObserverWidget(
+      child: ChangeNotifierProvider<ThemeController>.value(
+        value: themeController,
+        child: const MyApp(),
+      ),
     ),
   ),
 );
@@ -37,91 +41,104 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final themeController = context.watch<ThemeController>();
+
     return MaterialApp(
       title: 'Ell-ena',
       debugShowCheckedModeBanner: false,
       navigatorKey: NavigationService().navigatorKey,
-      navigatorObservers: <NavigatorObserver>[AppRouteObserver.instance],
+      navigatorObservers: <NavigatorObserver>[
+        AppRouteObserver.instance,
+      ],
       theme: lightTheme,
       darkTheme: darkTheme,
       themeMode: themeController.flutterThemeMode,
       home: const SplashScreen(),
+
       onGenerateRoute: (settings) {
         if (settings.name == '/') {
           return MaterialPageRoute(
             builder: (context) => const SplashScreen(),
             settings: settings,
           );
-        } else if (settings.name == '/home') {
-          final args = (settings.arguments is Map<String, dynamic>) 
-              ? settings.arguments as Map<String, dynamic> 
-              : null;
-
+        }
+
+        else if (settings.name == '/home') {
+          final args =
+              settings.arguments is Map<String, dynamic>
+                  ? settings.arguments as Map<String, dynamic>
+                  : null;
+
           return MaterialPageRoute(
             builder: (context) => HomeScreen(arguments: args),
             settings: settings,
           );
-        } else if (settings.name == '/chat') {
-          final args = (settings.arguments is Map<String, dynamic>) 
-              ? settings.arguments as Map<String, dynamic> 
-              : null;
-
+        }
+
+        else if (settings.name == '/chat') {
+          final args =
+              settings.arguments is Map<String, dynamic>
+                  ? settings.arguments as Map<String, dynamic>
+                  : null;
+
           return MaterialPageRoute(
             builder: (context) => ChatScreen(arguments: args),
             settings: settings,
           );
         }
+
         return null;
       },
     );
   }
 }
 
 class WidgetsBindingObserverWidget extends StatefulWidget {
-    final Widget child;
+  final Widget child;
 
-    const WidgetsBindingObserverWidget({
-      super.key,
-      required this.child,
-    });
+  const WidgetsBindingObserverWidget({
+    super.key,
+    required this.child,
+  });
 
-    @override
-    State<WidgetsBindingObserverWidget> createState() =>
-        _WidgetsBindingObserverWidgetState();
-  }
+  @override
+  State<WidgetsBindingObserverWidget> createState() =>
+      _WidgetsBindingObserverWidgetState();
+}
 
-  class _WidgetsBindingObserverWidgetState
-      extends State<WidgetsBindingObserverWidget>
-      with WidgetsBindingObserver {
+class _WidgetsBindingObserverWidgetState
+    extends State<WidgetsBindingObserverWidget>
+    with WidgetsBindingObserver {
 
-    @override
-    void initState() {
-      super.initState();
-      WidgetsBinding.instance.addObserver(this);
-    }
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addObserver(this);
+  }
 
-    @override
-    void didChangeAppLifecycleState(AppLifecycleState state) {
-      if (state == AppLifecycleState.detached) {
-        SupabaseService().dispose(); // ✅ ONLY IMPORTANT LINE
-      }
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.detached) {
+      SupabaseService().dispose();
     }
+  }
 
-    @override
-    void dispose() {
-      WidgetsBinding.instance.removeObserver(this);
-      super.dispose();
-    }
+  @override
+  void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
+    super.dispose();
+  }
 
-    @override
-    Widget build(BuildContext context) {
-      return widget.child;
-    }
+  @override
+  Widget build(BuildContext context) {
+    return widget.child;
   }
+}
 
 // Simple singleton RouteObserver to allow screens to refresh on focus
 class AppRouteObserver extends RouteObserver<ModalRoute<void>> {
   AppRouteObserver._();
-  static final AppRouteObserver instance = AppRouteObserver._();
+
+  static final AppRouteObserver instance =
+      AppRouteObserver._();
 }