feat(notifications): added navigation from different types of notifications

lib/core/routing/main_navigation_routes.dart

@@ -1,6 +1,7 @@
 import 'package:eatvio_app/core/routing/route_constants.dart';
 import 'package:eatvio_app/features/bottom_navigation_bar/presentation/bloc/profile_avatar_cubit/profile_avatar_cubit.dart';
 import 'package:eatvio_app/features/bottom_navigation_bar/presentation/bloc/profile_avatar_cubit/profile_avatar_state.dart';
+import 'package:eatvio_app/features/bottom_navigation_bar/presentation/widgets/bottom_nav_scope.dart';
 import 'package:eatvio_app/features/bottom_navigation_bar/presentation/widgets/bottom_navigation_bar_widget.dart';
 import 'package:eatvio_app/features/chat/presentation/pages/chats_screen.dart';
 import 'package:eatvio_app/features/consultations/presentation/pages/consultations_screen.dart';
@@ -31,8 +32,8 @@ class MainNavigationRoutes {
               profileAvatarCubit.getMyProfile();
             });
           }
-          
-          return BottomNavigationBarWidget(child: child);
+
+          return _MainShellWithNavScope(child: child);
         },
         routes: [
           GoRoute(
@@ -58,7 +59,7 @@ class MainNavigationRoutes {
           GoRoute(
             path: RouteConstants.diaryScreen,
             name: 'diaryScreen',
-            pageBuilder: (context, state) => const NoTransitionPage(child: DiaryScreen()),
+            pageBuilder: (context, state) => NoTransitionPage(child: DiaryScreen(date: state.extra as DateTime?)),
           ),
           GoRoute(
             path: ConsultationsScreen.path,
@@ -68,7 +69,10 @@ class MainNavigationRoutes {
           GoRoute(
             path: RouteConstants.chatSelectScreen,
             name: 'chatSelectScreen',
-            pageBuilder: (context, state) => const NoTransitionPage(child: ChatsScreen()),
+            pageBuilder: (context, state) {
+              final initialSearchQuery = state.extra is String ? state.extra as String : null;
+              return NoTransitionPage(child: ChatsScreen(initialSearchQuery: initialSearchQuery));
+            },
           ),
           GoRoute(
             path: RouteConstants.notificationsScreen,
@@ -94,3 +98,26 @@ class MainNavigationRoutes {
     ];
   }
 }
+
+/// Wraps the shell with [BottomNavScope] so descendants (e.g. notifications)
+/// can switch tabs via [BottomNavController.switchToRoute] instead of pushing.
+class _MainShellWithNavScope extends StatefulWidget {
+  const _MainShellWithNavScope({required this.child});
+
+  final Widget child;
+
+  @override
+  State<_MainShellWithNavScope> createState() => _MainShellWithNavScopeState();
+}
+
+class _MainShellWithNavScopeState extends State<_MainShellWithNavScope> {
+  final BottomNavController _navController = BottomNavController();
+
+  @override
+  Widget build(BuildContext context) {
+    return BottomNavScope(
+      controller: _navController,
+      child: BottomNavigationBarWidget(child: widget.child),
+    );
+  }
+}

lib/core/routing/other_routes.dart

@@ -195,7 +195,7 @@ class OtherRoutes {
       GoRoute(
         path: '${RouteConstants.subsScreen}/:slug',
         name: 'subsScreen',
-        builder: (context, state) => SubsScreen(slug: state.pathParameters['slug']!, subType: state.extra as SubType),
+        builder: (context, state) => SubsScreen(slug: state.pathParameters['slug'], subType: state.extra as SubType),
       ),
 
       // Chat routes
@@ -276,8 +276,7 @@ class OtherRoutes {
         builder: (context, state) {
           final data = state.extra as Map<String, int>;
           final diaryId = data['diaryId'] as int;
-          final currentPlanDay = data['currentDiaryDay'] as int;
-          return UserDiaryScreen(diaryId: diaryId, currentPlanDay: currentPlanDay);
+          return UserDiaryScreen(diaryId: diaryId);
         },
       ),
       GoRoute(