Enhance video playback cubit resilience and K-12 curriculum flow

apps/student_app/lib/main.dart

@@ -5,6 +5,8 @@ import 'core/localization/app_strings.dart';
 import 'core/theme/app_theme.dart';
 import 'logic/cubits/auth_cubit.dart';
 import 'logic/cubits/dashboard_cubits.dart';
+import 'logic/cubits/curriculum_cubit.dart';
+import 'logic/cubits/video_playback_cubit.dart';
 import 'presentation/screens/auth/auth_screen.dart';
 import 'presentation/screens/home/unified_home_screen.dart';
 
@@ -36,6 +38,12 @@ class _SaqelAppRootState extends State<SaqelAppRoot> {
         BlocProvider<GuardianCubit>(
           create: (context) => GuardianCubit(),
         ),
+        BlocProvider<CurriculumCubit>(
+          create: (context) => CurriculumCubit(),
+        ),
+        BlocProvider<VideoPlaybackCubit>(
+          create: (context) => VideoPlaybackCubit(),
+        ),
       ],
       child: MaterialApp(
         title: AppConfig.appNameAr,