implemented RMV commute integration in the timetable, added Nominatim geocoding for home station lookup, created CommuteCubit for daily trip management with TTL caching, and introduced specialized timetable tiles, detail sheets, and settings for transit connections and walking buffers

lib/view/pages/timetable/widgets/appointment_tile.dart

@@ -3,6 +3,7 @@ import 'package:syncfusion_flutter_calendar/calendar.dart';
 
 import '../data/arbitrary_appointment.dart';
 import '../data/calendar_layout.dart';
+import 'commute/commute_tile_content.dart';
 import 'cross_painter.dart';
 
 class AppointmentTile extends StatelessWidget {
@@ -21,7 +22,9 @@ class AppointmentTile extends StatelessWidget {
   Widget build(BuildContext context) {
     final isPast = appointment.endTime.isBefore(DateTime.now());
     final color = appointment.color.withAlpha(isPast ? 160 : 255);
-    final isCustom = appointment.id is CustomAppointment;
+    final id = appointment.id;
+    final isCustom = id is CustomAppointment;
+    final isCommute = id is CommuteAppointment;
     final description = appointment.location ?? '';
 
     return Padding(
@@ -37,11 +40,13 @@ class AppointmentTile extends StatelessWidget {
                 borderRadius: _radius,
                 color: color,
               ),
-              child: _TileContent(
-                title: appointment.subject,
-                description: description,
-                isCustom: isCustom,
-              ),
+              child: isCommute
+                  ? CommuteTileContent(commute: id, crossedOut: crossedOut)
+                  : _TileContent(
+                      title: appointment.subject,
+                      description: description,
+                      isCustom: isCustom,
+                    ),
             ),
           ),
           if (crossedOut)