implemented foreign timetable support for students, teachers, rooms, and classes, including a searchable element picker with favorites support, introduced a capabilities system for feature gating, refactored the timetable UI into a reusable TimetableCalendarView component, and redesigned the chat input field with a unified emoji picker and integrated attachment actions.

lib/view/pages/timetable/details/lesson_sheet.dart

@@ -5,7 +5,7 @@ import '../../../../api/marianumconnect/queries/timetable_get_week/timetable_get
 import '../../../../extensions/date_time.dart';
 import '../../../../extensions/text.dart';
 import '../../../../routing/app_routes.dart';
-import '../../../../state/app/modules/timetable/bloc/timetable_bloc.dart';
+import '../../../../state/app/modules/timetable/bloc/timetable_state.dart';
 import '../../../../widget/debug/debug_tile.dart';
 import '../../../../widget/details_bottom_sheet.dart';
 import '../data/lesson_type_label.dart';
@@ -13,11 +13,10 @@ import '../data/lesson_type_label.dart';
 class LessonSheet {
   static void show(
     BuildContext context,
-    TimetableBloc bloc,
+    TimetableState? state,
     Appointment appointment,
     McTimetableEntry lesson,
   ) {
-    final state = bloc.state.data;
     if (state == null) return;
 
     final subjectShort = lesson.subjects.firstOrNull;