implemented current schoolyear API and dynamic timetable scroll boundaries, added handling for out-of-range errors to narrow accessible dates, optimized holiday region rendering by collapsing overlaps, and refined holiday tile UI

lib/state/app/modules/timetable/bloc/timetable_state.g.dart

@@ -29,6 +29,11 @@ _TimetableState _$TimetableStateFromJson(Map<String, dynamic> json) =>
           : GetHolidaysResponse.fromJson(
               json['schoolHolidays'] as Map<String, dynamic>,
             ),
+      schoolyear: json['schoolyear'] == null
+          ? null
+          : GetCurrentSchoolyearResponse.fromJson(
+              json['schoolyear'] as Map<String, dynamic>,
+            ),
       timegrid: json['timegrid'] == null
           ? null
           : GetTimegridUnitsResponse.fromJson(
@@ -42,6 +47,12 @@ _TimetableState _$TimetableStateFromJson(Map<String, dynamic> json) =>
       startDate: DateTime.parse(json['startDate'] as String),
       endDate: DateTime.parse(json['endDate'] as String),
       dataVersion: (json['dataVersion'] as num?)?.toInt() ?? 0,
+      accessibleStartDate: json['accessibleStartDate'] == null
+          ? null
+          : DateTime.parse(json['accessibleStartDate'] as String),
+      accessibleEndDate: json['accessibleEndDate'] == null
+          ? null
+          : DateTime.parse(json['accessibleEndDate'] as String),
     );
 
 Map<String, dynamic> _$TimetableStateToJson(_TimetableState instance) =>
@@ -50,9 +61,12 @@ Map<String, dynamic> _$TimetableStateToJson(_TimetableState instance) =>
       'rooms': instance.rooms,
       'subjects': instance.subjects,
       'schoolHolidays': instance.schoolHolidays,
+      'schoolyear': instance.schoolyear,
       'timegrid': instance.timegrid,
       'customEvents': instance.customEvents,
       'startDate': instance.startDate.toIso8601String(),
       'endDate': instance.endDate.toIso8601String(),
       'dataVersion': instance.dataVersion,
+      'accessibleStartDate': instance.accessibleStartDate?.toIso8601String(),
+      'accessibleEndDate': instance.accessibleEndDate?.toIso8601String(),
     };