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/appointment_details_dispatcher.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:syncfusion_flutter_calendar/calendar.dart';
 
-import '../../../../state/app/modules/timetable/bloc/timetable_bloc.dart';
+import '../../../../state/app/modules/timetable/bloc/timetable_state.dart';
 import '../data/arbitrary_appointment.dart';
 import 'custom_event_sheet.dart';
 import 'lesson_sheet.dart';
@@ -9,15 +9,14 @@ import 'lesson_sheet.dart';
 class AppointmentDetailsDispatcher {
   static void show(
     BuildContext context,
-    TimetableBloc bloc,
+    TimetableState? state,
     Appointment appointment,
   ) {
     final id = appointment.id;
     if (id is! ArbitraryAppointment) return;
 
     id.when(
-      lesson: (entry) =>
-          LessonSheet.show(context, bloc, appointment, entry),
+      lesson: (entry) => LessonSheet.show(context, state, appointment, entry),
       custom: (event) => CustomEventSheet.show(context, event),
     );
   }