added teacher-focused lesson sheet with direct class and teacher timetable links

lib/main.dart

@@ -36,6 +36,7 @@ import 'routing/app_routes.dart';
 import 'share_intent/share_intent_listener.dart';
 import 'state/app/modules/account/bloc/account_bloc.dart';
 import 'state/app/modules/account/bloc/account_state.dart';
+import 'state/app/modules/app_modules.dart';
 import 'state/app/modules/breaker/bloc/breaker_bloc.dart';
 import 'state/app/modules/capabilities/bloc/capabilities_cubit.dart';
 import 'state/app/modules/chat/bloc/chat_bloc.dart';
@@ -295,7 +296,9 @@ class _MainState extends State<Main> {
         unawaited(
           context.read<CapabilitiesCubit>().load().then((_) {
             if (!mounted) return;
-            _syncPush(settingsCubit, context.read<CapabilitiesCubit>());
+            final capabilities = context.read<CapabilitiesCubit>();
+            _syncPush(settingsCubit, capabilities);
+            _applyRoleDefaults(settingsCubit, capabilities);
           }),
         );
         unawaited(context.read<NextcloudCapabilitiesCubit>().load());
@@ -331,6 +334,19 @@ class _MainState extends State<Main> {
     );
   }
 
+  /// userType is only known once capabilities are loaded.
+  void _applyRoleDefaults(
+    SettingsCubit settings,
+    CapabilitiesCubit capabilities,
+  ) {
+    if (AppModule.applyTeacherDefaults(
+      settings.val().modulesSettings,
+      isTeacher: capabilities.isTeacher,
+    )) {
+      settings.val(write: true);
+    }
+  }
+
   /// Background credential check: a 401 means the password was rotated
   /// server-side, so the validator wipes the local session and flips the
   /// account bloc to `loggedOut` (sending the user to the login screen).
@@ -424,6 +440,7 @@ class _MainState extends State<Main> {
                         capabilitiesCubit.load().then((_) {
                           if (!mounted) return;
                           _syncPush(settingsCubit, capabilitiesCubit);
+                          _applyRoleDefaults(settingsCubit, capabilitiesCubit);
                         }),
                       );
                       unawaited(