removed timetable limits, fully dependent on marianumConnect now

lib/api/demo/data/demo_capabilities.dart

@@ -2,13 +2,16 @@ import '../../../state/app/modules/capabilities/bloc/capabilities_state.dart';
 import '../../../state/app/modules/nextcloud_capabilities/bloc/nextcloud_capabilities_state.dart';
 
 /// Demo fixtures for the mobile capability flags — everything granted so the
-/// demo persona sees every feature (incl. push) as available.
+/// demo persona sees every feature (incl. push) as available and the timetable
+/// scroll range stays unlimited (null day counts).
 class DemoCapabilities {
   const DemoCapabilities._();
 
   static CapabilitiesState state() => const CapabilitiesState(
     viewForeignTimetables: true,
     pushNotifications: true,
+    timetablePastDays: null,
+    timetableFutureDays: null,
     loaded: true,
   );
 }

lib/api/marianumconnect/queries/get_capabilities/get_capabilities_response.dart

@@ -16,9 +16,18 @@ class CapabilitiesResponse {
   @JsonKey(defaultValue: false)
   final bool pushNotifications;
 
+  /// How many days into the past/future the user may view the timetable.
+  /// `null` (absent) means unlimited — the school year alone governs. The
+  /// backend widens both to at least cover the current Mon–Sun week.
+  final int? timetablePastDays;
+
+  final int? timetableFutureDays;
+
   CapabilitiesResponse({
     required this.viewForeignTimetables,
     required this.pushNotifications,
+    this.timetablePastDays,
+    this.timetableFutureDays,
   });
 
   factory CapabilitiesResponse.fromJson(Map<String, dynamic> json) =>

lib/api/marianumconnect/queries/get_capabilities/get_capabilities_response.g.dart

@@ -11,6 +11,8 @@ CapabilitiesResponse _$CapabilitiesResponseFromJson(
 ) => CapabilitiesResponse(
   viewForeignTimetables: json['viewForeignTimetables'] as bool? ?? false,
   pushNotifications: json['pushNotifications'] as bool? ?? false,
+  timetablePastDays: (json['timetablePastDays'] as num?)?.toInt(),
+  timetableFutureDays: (json['timetableFutureDays'] as num?)?.toInt(),
 );
 
 Map<String, dynamic> _$CapabilitiesResponseToJson(
@@ -18,4 +20,6 @@ Map<String, dynamic> _$CapabilitiesResponseToJson(
 ) => <String, dynamic>{
   'viewForeignTimetables': instance.viewForeignTimetables,
   'pushNotifications': instance.pushNotifications,
+  'timetablePastDays': instance.timetablePastDays,
+  'timetableFutureDays': instance.timetableFutureDays,
 };