add ticker page bloc and avatar disk cache

lib/api/marianumconnect/queries/get_ticker_page/get_ticker_page_response.dart

@@ -39,6 +39,11 @@ class TickerPageResponse {
   final String? hash;
   final String? webUrl;
 
+  /// ISO timestamp the page was last published/updated (`ticker_pages.published_at`),
+  /// shown as "Aktualisiert am …" — the same date the web view displays. Null
+  /// when the page has never been published.
+  final String? publishedAt;
+
   TickerPageResponse({
     required this.schemaVersion,
     this.slug,
@@ -52,6 +57,7 @@ class TickerPageResponse {
     this.filename,
     this.hash,
     this.webUrl,
+    this.publishedAt,
   });
 
   factory TickerPageResponse.fromJson(Map<String, dynamic> json) =>

lib/api/marianumconnect/queries/get_ticker_page/get_ticker_page_response.g.dart

@@ -20,6 +20,7 @@ TickerPageResponse _$TickerPageResponseFromJson(Map<String, dynamic> json) =>
       filename: json['filename'] as String?,
       hash: json['hash'] as String?,
       webUrl: json['webUrl'] as String?,
+      publishedAt: json['publishedAt'] as String?,
     );
 
 Map<String, dynamic> _$TickerPageResponseToJson(TickerPageResponse instance) =>
@@ -36,4 +37,5 @@ Map<String, dynamic> _$TickerPageResponseToJson(TickerPageResponse instance) =>
       'filename': instance.filename,
       'hash': instance.hash,
       'webUrl': instance.webUrl,
+      'publishedAt': instance.publishedAt,
     };

lib/main.dart

@@ -51,6 +51,7 @@ import 'utils/downloads/download_manager.dart';
 import 'view/login/login.dart';
 import 'view/login/post_login_splash.dart';
 import 'widget/app_progress_indicator.dart';
+import 'widget/avatar_disk_cache.dart';
 import 'widget/breaker/breaker.dart';
 import 'widget/debug/cache_view.dart';
 import 'widget/downloads/download_tray.dart';
@@ -150,6 +151,11 @@ Future<void> main() async {
     );
   }
 
+  // Resolve the avatar cache directory ahead of the first avatar render so the
+  // synchronous disk read hits and cold-start avatars appear without a blank
+  // placeholder flash.
+  AvatarDiskCache.instance.warmUp();
+
   if (kReleaseMode) {
     ErrorWidget.builder = (error) => Material(
       color: Colors.white,

lib/state/app/modules/ticker/bloc/ticker_page_bloc.dart

@@ -0,0 +1,60 @@
+import '../../../../../api/errors/ticker_content_unavailable_exception.dart';
+import '../../../../../api/marianumconnect/queries/get_ticker_page/get_ticker_page_response.dart';
+import '../../../infrastructure/utility_widgets/loadable_hydrated_bloc/loadable_hydrated_bloc.dart';
+import '../../../infrastructure/utility_widgets/loadable_hydrated_bloc/loadable_hydrated_bloc_event.dart';
+import '../repository/ticker_page_repository.dart';
+import 'ticker_page_event.dart';
+import 'ticker_page_state.dart';
+
+/// Per-slug loadable bloc for a single ticker page; [id] is the slug so each
+/// page keeps its own hydrated cache entry.
+class TickerPageBloc
+    extends
+        LoadableHydratedBloc<
+          TickerPageEvent,
+          TickerPageState,
+          TickerPageRepository
+        > {
+  final String slug;
+
+  TickerPageBloc(this.slug);
+
+  @override
+  String get id => slug;
+
+  @override
+  Future<void> gatherData() async {
+    try {
+      final page = await repo.getPage(slug);
+      add(DataGathered((state) => state.copyWith(page: page)));
+    } on TickerContentUnavailableException catch (e) {
+      // Content, not error: a content-less page keeps the "open in browser"
+      // branch and stays cached offline.
+      add(
+        DataGathered(
+          (state) => state.copyWith(
+            page: TickerPageResponse(
+              schemaVersion: 1,
+              slug: slug,
+              kind: TickerPageKind.content,
+              webUrl: e.webUrl,
+            ),
+          ),
+        ),
+      );
+    }
+  }
+
+  @override
+  TickerPageRepository repository() => TickerPageRepository();
+
+  @override
+  TickerPageState fromNothing() => const TickerPageState();
+
+  @override
+  TickerPageState fromStorage(Map<String, dynamic> json) =>
+      TickerPageState.fromJson(json);
+
+  @override
+  Map<String, dynamic>? toStorage(TickerPageState state) => state.toJson();
+}

lib/state/app/modules/ticker/bloc/ticker_page_event.dart

@@ -0,0 +1,6 @@
+import '../../../infrastructure/utility_widgets/loadable_hydrated_bloc/loadable_hydrated_bloc_event.dart';
+import 'ticker_page_state.dart';
+
+sealed class TickerPageEvent extends LoadableHydratedBlocEvent<TickerPageState> {}
+
+class TickerPageLoadEvent extends TickerPageEvent {}

lib/state/app/modules/ticker/bloc/ticker_page_state.dart

@@ -0,0 +1,16 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import '../../../../../api/marianumconnect/queries/get_ticker_page/get_ticker_page_response.dart';
+
+part 'ticker_page_state.freezed.dart';
+part 'ticker_page_state.g.dart';
+
+/// Hydrated per-slug state of a single ticker page. PROXIED_FILE bytes are not
+/// cached here — only [page] metadata persists; the PDF is fetched live.
+@freezed
+abstract class TickerPageState with _$TickerPageState {
+  const factory TickerPageState({TickerPageResponse? page}) = _TickerPageState;
+
+  factory TickerPageState.fromJson(Map<String, dynamic> json) =>
+      _$TickerPageStateFromJson(json);
+}

lib/state/app/modules/ticker/bloc/ticker_page_state.freezed.dart

@@ -0,0 +1,277 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// coverage:ignore-file
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'ticker_page_state.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+// dart format off
+T _$identity<T>(T value) => value;
+
+/// @nodoc
+mixin _$TickerPageState {
+
+ TickerPageResponse? get page;
+/// Create a copy of TickerPageState
+/// with the given fields replaced by the non-null parameter values.
+@JsonKey(includeFromJson: false, includeToJson: false)
+@pragma('vm:prefer-inline')
+$TickerPageStateCopyWith<TickerPageState> get copyWith => _$TickerPageStateCopyWithImpl<TickerPageState>(this as TickerPageState, _$identity);
+
+  /// Serializes this TickerPageState to a JSON map.
+  Map<String, dynamic> toJson();
+
+
+@override
+bool operator ==(Object other) {
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is TickerPageState&&(identical(other.page, page) || other.page == page));
+}
+
+@JsonKey(includeFromJson: false, includeToJson: false)
+@override
+int get hashCode => Object.hash(runtimeType,page);
+
+@override
+String toString() {
+  return 'TickerPageState(page: $page)';
+}
+
+
+}
+
+/// @nodoc
+abstract mixin class $TickerPageStateCopyWith<$Res>  {
+  factory $TickerPageStateCopyWith(TickerPageState value, $Res Function(TickerPageState) _then) = _$TickerPageStateCopyWithImpl;
+@useResult
+$Res call({
+ TickerPageResponse? page
+});
+
+
+
+
+}
+/// @nodoc
+class _$TickerPageStateCopyWithImpl<$Res>
+    implements $TickerPageStateCopyWith<$Res> {
+  _$TickerPageStateCopyWithImpl(this._self, this._then);
+
+  final TickerPageState _self;
+  final $Res Function(TickerPageState) _then;
+
+/// Create a copy of TickerPageState
+/// with the given fields replaced by the non-null parameter values.
+@pragma('vm:prefer-inline') @override $Res call({Object? page = freezed,}) {
+  return _then(_self.copyWith(
+page: freezed == page ? _self.page : page // ignore: cast_nullable_to_non_nullable
+as TickerPageResponse?,
+  ));
+}
+
+}
+
+
+/// Adds pattern-matching-related methods to [TickerPageState].
+extension TickerPageStatePatterns on TickerPageState {
+/// A variant of `map` that fallback to returning `orElse`.
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case final Subclass value:
+///     return ...;
+///   case _:
+///     return orElse();
+/// }
+/// ```
+
+@optionalTypeArgs TResult maybeMap<TResult extends Object?>(TResult Function( _TickerPageState value)?  $default,{required TResult orElse(),}){
+final _that = this;
+switch (_that) {
+case _TickerPageState() when $default != null:
+return $default(_that);case _:
+  return orElse();
+
+}
+}
+/// A `switch`-like method, using callbacks.
+///
+/// Callbacks receives the raw object, upcasted.
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case final Subclass value:
+///     return ...;
+///   case final Subclass2 value:
+///     return ...;
+/// }
+/// ```
+
+@optionalTypeArgs TResult map<TResult extends Object?>(TResult Function( _TickerPageState value)  $default,){
+final _that = this;
+switch (_that) {
+case _TickerPageState():
+return $default(_that);case _:
+  throw StateError('Unexpected subclass');
+
+}
+}
+/// A variant of `map` that fallback to returning `null`.
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case final Subclass value:
+///     return ...;
+///   case _:
+///     return null;
+/// }
+/// ```
+
+@optionalTypeArgs TResult? mapOrNull<TResult extends Object?>(TResult? Function( _TickerPageState value)?  $default,){
+final _that = this;
+switch (_that) {
+case _TickerPageState() when $default != null:
+return $default(_that);case _:
+  return null;
+
+}
+}
+/// A variant of `when` that fallback to an `orElse` callback.
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case Subclass(:final field):
+///     return ...;
+///   case _:
+///     return orElse();
+/// }
+/// ```
+
+@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( TickerPageResponse? page)?  $default,{required TResult orElse(),}) {final _that = this;
+switch (_that) {
+case _TickerPageState() when $default != null:
+return $default(_that.page);case _:
+  return orElse();
+
+}
+}
+/// A `switch`-like method, using callbacks.
+///
+/// As opposed to `map`, this offers destructuring.
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case Subclass(:final field):
+///     return ...;
+///   case Subclass2(:final field2):
+///     return ...;
+/// }
+/// ```
+
+@optionalTypeArgs TResult when<TResult extends Object?>(TResult Function( TickerPageResponse? page)  $default,) {final _that = this;
+switch (_that) {
+case _TickerPageState():
+return $default(_that.page);case _:
+  throw StateError('Unexpected subclass');
+
+}
+}
+/// A variant of `when` that fallback to returning `null`
+///
+/// It is equivalent to doing:
+/// ```dart
+/// switch (sealedClass) {
+///   case Subclass(:final field):
+///     return ...;
+///   case _:
+///     return null;
+/// }
+/// ```
+
+@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( TickerPageResponse? page)?  $default,) {final _that = this;
+switch (_that) {
+case _TickerPageState() when $default != null:
+return $default(_that.page);case _:
+  return null;
+
+}
+}
+
+}
+
+/// @nodoc
+@JsonSerializable()
+
+class _TickerPageState implements TickerPageState {
+  const _TickerPageState({this.page});
+  factory _TickerPageState.fromJson(Map<String, dynamic> json) => _$TickerPageStateFromJson(json);
+
+@override final  TickerPageResponse? page;
+
+/// Create a copy of TickerPageState
+/// with the given fields replaced by the non-null parameter values.
+@override @JsonKey(includeFromJson: false, includeToJson: false)
+@pragma('vm:prefer-inline')
+_$TickerPageStateCopyWith<_TickerPageState> get copyWith => __$TickerPageStateCopyWithImpl<_TickerPageState>(this, _$identity);
+
+@override
+Map<String, dynamic> toJson() {
+  return _$TickerPageStateToJson(this, );
+}
+
+@override
+bool operator ==(Object other) {
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is _TickerPageState&&(identical(other.page, page) || other.page == page));
+}
+
+@JsonKey(includeFromJson: false, includeToJson: false)
+@override
+int get hashCode => Object.hash(runtimeType,page);
+
+@override
+String toString() {
+  return 'TickerPageState(page: $page)';
+}
+
+
+}
+
+/// @nodoc
+abstract mixin class _$TickerPageStateCopyWith<$Res> implements $TickerPageStateCopyWith<$Res> {
+  factory _$TickerPageStateCopyWith(_TickerPageState value, $Res Function(_TickerPageState) _then) = __$TickerPageStateCopyWithImpl;
+@override @useResult
+$Res call({
+ TickerPageResponse? page
+});
+
+
+
+
+}
+/// @nodoc
+class __$TickerPageStateCopyWithImpl<$Res>
+    implements _$TickerPageStateCopyWith<$Res> {
+  __$TickerPageStateCopyWithImpl(this._self, this._then);
+
+  final _TickerPageState _self;
+  final $Res Function(_TickerPageState) _then;
+
+/// Create a copy of TickerPageState
+/// with the given fields replaced by the non-null parameter values.
+@override @pragma('vm:prefer-inline') $Res call({Object? page = freezed,}) {
+  return _then(_TickerPageState(
+page: freezed == page ? _self.page : page // ignore: cast_nullable_to_non_nullable
+as TickerPageResponse?,
+  ));
+}
+
+
+}
+
+// dart format on

lib/state/app/modules/ticker/bloc/ticker_page_state.g.dart

@@ -0,0 +1,17 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ticker_page_state.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_TickerPageState _$TickerPageStateFromJson(Map<String, dynamic> json) =>
+    _TickerPageState(
+      page: json['page'] == null
+          ? null
+          : TickerPageResponse.fromJson(json['page'] as Map<String, dynamic>),
+    );
+
+Map<String, dynamic> _$TickerPageStateToJson(_TickerPageState instance) =>
+    <String, dynamic>{'page': instance.page};

lib/state/app/modules/ticker/repository/ticker_page_repository.dart

@@ -0,0 +1,23 @@
+import 'dart:typed_data';
+
+import '../../../../../api/demo/data/demo_ticker.dart';
+import '../../../../../api/demo/demo_mode.dart';
+import '../../../../../api/marianumconnect/queries/get_ticker_page/get_ticker_page.dart';
+import '../../../../../api/marianumconnect/queries/get_ticker_page/get_ticker_page_response.dart';
+import '../../../../../api/marianumconnect/queries/get_ticker_page_file/get_ticker_page_file.dart';
+import '../../../infrastructure/repository/repository.dart';
+import '../bloc/ticker_page_state.dart';
+
+/// Split from [TickerRepository] because the loadable base binds a repository
+/// to its state type, and the per-page bloc is typed on [TickerPageState].
+class TickerPageRepository extends Repository<TickerPageState> {
+  Future<TickerPageResponse> getPage(String slug) {
+    if (DemoMode.active) return Future.value(DemoTicker.page(slug));
+    return GetTickerPage(slug).run();
+  }
+
+  Future<Uint8List> getPageFile(String slug) {
+    if (DemoMode.active) return Future.value(Uint8List(0));
+    return GetTickerPageFile(slug).run();
+  }
+}

lib/state/app/modules/ticker/repository/ticker_repository.dart

@@ -1,14 +1,9 @@
-import 'dart:typed_data';
-
 import '../../../../../api/demo/data/demo_ticker.dart';
 import '../../../../../api/demo/demo_mode.dart';
 import '../../../../../api/marianumconnect/queries/get_ticker/get_ticker.dart';
 import '../../../../../api/marianumconnect/queries/get_ticker/get_ticker_response.dart';
 import '../../../../../api/marianumconnect/queries/get_ticker_nav/get_ticker_nav.dart';
 import '../../../../../api/marianumconnect/queries/get_ticker_nav/get_ticker_nav_response.dart';
-import '../../../../../api/marianumconnect/queries/get_ticker_page/get_ticker_page.dart';
-import '../../../../../api/marianumconnect/queries/get_ticker_page/get_ticker_page_response.dart';
-import '../../../../../api/marianumconnect/queries/get_ticker_page_file/get_ticker_page_file.dart';
 import '../../../infrastructure/repository/repository.dart';
 import '../bloc/ticker_state.dart';
 
@@ -22,14 +17,4 @@ class TickerRepository extends Repository<TickerState> {
     if (DemoMode.active) return Future.value(DemoTicker.nav());
     return GetTickerNav().run();
   }
-
-  Future<TickerPageResponse> getPage(String slug) {
-    if (DemoMode.active) return Future.value(DemoTicker.page(slug));
-    return GetTickerPage(slug).run();
-  }
-
-  Future<Uint8List> getPageFile(String slug) {
-    if (DemoMode.active) return Future.value(Uint8List(0));
-    return GetTickerPageFile(slug).run();
-  }
 }

lib/view/pages/ticker/ticker_view.dart

@@ -2,7 +2,6 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:intl/intl.dart';
 
 import '../../../api/marianumconnect/queries/get_ticker/get_ticker_response.dart';
 import '../../../api/marianumconnect/queries/get_ticker_nav/get_ticker_nav_response.dart';
@@ -21,6 +20,7 @@ import '../../../widget/prosemirror/pm_json_view.dart';
 import 'widgets/ticker_content_card.dart';
 import 'widgets/ticker_nav_list.dart';
 import 'widgets/ticker_page_body.dart';
+import 'widgets/ticker_updated_bar.dart';
 
 /// Ticker module entry. Wires the [TickerBloc] to the presentation
 /// [TickerScaffold]; the "Aktuelles" home surface is driven through the loadable
@@ -46,8 +46,6 @@ class TickerView extends StatelessWidget {
             onSelectionChanged: (slug) => bloc.add(
               Emit<TickerState>((state) => state.copyWith(selectedSlug: slug)),
             ),
-            homePublishedAt: data?.ticker?.publishedAt,
-            onRefreshHome: bloc.retry,
             homeBuilder: (context, onLinkTap) =>
                 LoadableStateConsumer<TickerBloc, TickerState>(
                   child: (state, loading) => _TickerHome(
@@ -93,14 +91,6 @@ class TickerScaffold extends StatefulWidget {
   /// it (null = home). Also fired when a stale [initialSlug] is discarded.
   final void Function(String? slug)? onSelectionChanged;
 
-  /// ISO publish timestamp of the current "Aktuelles" post, shown as a dated
-  /// refresh button in the app bar while the home surface is open. Null hides
-  /// the button (no post / no date / on a page, which carries no date).
-  final String? homePublishedAt;
-
-  /// Tapped from the app bar's dated button to reload the ticker.
-  final VoidCallback? onRefreshHome;
-
   const TickerScaffold({
     super.key,
     required this.sections,
@@ -108,8 +98,6 @@ class TickerScaffold extends StatefulWidget {
     this.pageBuilder,
     this.initialSlug,
     this.onSelectionChanged,
-    this.homePublishedAt,
-    this.onRefreshHome,
   });
 
   static const double sidebarBreakpoint = 900;
@@ -326,22 +314,6 @@ class _TickerScaffoldState extends State<TickerScaffold> {
           appBar: AppBar(
             title: Text(slug == null ? 'Ticker' : (_selectedTitle ?? 'Ticker')),
             actions: [
-              // The "Aktuelles" post's date, shown only on the home surface
-              // (pages carry no date). Tapping reloads the ticker.
-              if (slug == null)
-                Builder(
-                  builder: (context) {
-                    final updatedAt = _formatPublishedAt(
-                      context,
-                      widget.homePublishedAt,
-                    );
-                    if (updatedAt == null) return const SizedBox.shrink();
-                    return _UpdatedAtButton(
-                      text: updatedAt,
-                      onTap: widget.onRefreshHome,
-                    );
-                  },
-                ),
               // Always present so "Aktuelles" is a fixed anchor; greyed out
               // (disabled) while it is the current surface.
               IconButton(
@@ -415,8 +387,12 @@ class _TickerHome extends StatelessWidget {
     }
 
     return ListView(
+      physics: const AlwaysScrollableScrollPhysics(),
       padding: const EdgeInsets.only(bottom: AppSpacing.lg),
-      children: [_CurrentTickerCard(ticker: ticker, onLinkTap: onLinkTap)],
+      children: [
+        TickerUpdatedBar(publishedAt: ticker.publishedAt),
+        _CurrentTickerCard(ticker: ticker, onLinkTap: onLinkTap),
+      ],
     );
   }
 }
@@ -440,46 +416,6 @@ class _CurrentTickerCard extends StatelessWidget {
   }
 }
 
-/// App bar button showing when the "Aktuelles" post was last updated; tapping
-/// reloads the ticker. Styled to sit on the app bar (onSurface foreground) with
-/// a clock icon and the full date in a tooltip.
-class _UpdatedAtButton extends StatelessWidget {
-  final String text;
-  final VoidCallback? onTap;
-
-  const _UpdatedAtButton({required this.text, this.onTap});
-
-  @override
-  Widget build(BuildContext context) {
-    final theme = Theme.of(context);
-    return Padding(
-      padding: const EdgeInsets.symmetric(horizontal: AppSpacing.xs),
-      child: Tooltip(
-        message: 'Aktualisiert am $text',
-        child: TextButton.icon(
-          onPressed: onTap,
-          icon: const Icon(Icons.schedule, size: 16),
-          label: Text(text),
-          style: TextButton.styleFrom(
-            foregroundColor: theme.colorScheme.onSurface,
-            textStyle: theme.textTheme.labelMedium,
-          ),
-        ),
-      ),
-    );
-  }
-}
-
-/// Formats the ISO `publishedAt` as `dd.MM.yyyy, HH:mm` in the device locale, or
-/// null when it is missing/unparseable so callers can drop the line entirely.
-String? _formatPublishedAt(BuildContext context, String? iso) {
-  if (iso == null || iso.isEmpty) return null;
-  final parsed = DateTime.tryParse(iso);
-  if (parsed == null) return null;
-  final locale = Localizations.localeOf(context).toString();
-  return DateFormat('dd.MM.yyyy, HH:mm', locale).format(parsed.toLocal());
-}
-
 class _UnavailableHint extends StatelessWidget {
   final String webUrl;
 

lib/view/pages/ticker/widgets/ticker_page_body.dart

@@ -1,28 +1,31 @@
 import 'dart:typed_data';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:syncfusion_flutter_pdfviewer/pdfviewer.dart';
 
 import '../../../../api/errors/error_mapper.dart';
-import '../../../../api/errors/ticker_content_unavailable_exception.dart';
 import '../../../../api/marianumconnect/queries/get_ticker_page/get_ticker_page_response.dart';
 import '../../../../routing/app_routes.dart';
-import '../../../../state/app/modules/ticker/repository/ticker_repository.dart';
+import '../../../../state/app/infrastructure/loadable_state/loadable_state.dart';
+import '../../../../state/app/infrastructure/loadable_state/view/loadable_state_consumer.dart';
+import '../../../../state/app/infrastructure/utility_widgets/bloc_module.dart';
+import '../../../../state/app/modules/ticker/bloc/ticker_page_bloc.dart';
+import '../../../../state/app/modules/ticker/bloc/ticker_page_state.dart';
+import '../../../../state/app/modules/ticker/repository/ticker_page_repository.dart';
 import '../../../../theming/app_theme.dart';
 import '../../../../widget/placeholder_view.dart';
 import '../../../../widget/prosemirror/pm_json_view.dart';
 import 'ticker_content_card.dart';
+import 'ticker_updated_bar.dart';
 
-/// Embeddable renderer for a single ticker page. Loads the page on demand and
-/// renders it by kind: CONTENT via the native ProseMirror renderer,
-/// PROXIED_FILE as a PDF. It carries no Scaffold/AppBar so it can live both
-/// in-place inside [TickerView] and inside the standalone `TickerPageView`
-/// (deep links from outside the ticker module).
-///
-/// Reaching a REDIRECT here (e.g. via an internal content link whose slug turns
-/// out to be a redirect) opens the browser and, if given, invokes [onRedirect]
-/// so the host can leave this page.
-class TickerPageBody extends StatefulWidget {
+/// Embeddable renderer for a single ticker page: drives a per-slug
+/// [TickerPageBloc] through [LoadableStateConsumer], so pages behave like the
+/// home surface (cache, background refresh, offline banner, pull-to-refresh).
+/// Carries no Scaffold so it works both in-place in [TickerView] and in the
+/// standalone `TickerPageView`. A REDIRECT opens the browser and invokes
+/// [onRedirect] so the host can leave this page.
+class TickerPageBody extends StatelessWidget {
   final String slug;
   final void Function(String href) onLinkTap;
   final VoidCallback? onRedirect;
@@ -35,75 +38,70 @@ class TickerPageBody extends StatefulWidget {
   });
 
   @override
-  State<TickerPageBody> createState() => _TickerPageBodyState();
+  Widget build(BuildContext context) =>
+      BlocModule<TickerPageBloc, LoadableState<TickerPageState>>(
+        // A slug switch must rebuild the provider with a fresh bloc.
+        key: ValueKey(slug),
+        create: (context) => TickerPageBloc(slug),
+        child: (context, bloc, _) =>
+            LoadableStateConsumer<TickerPageBloc, TickerPageState>(
+              isReady: (state) => state.page != null,
+              child: (state, loading) => _TickerPageContent(
+                page: state.page!,
+                onLinkTap: onLinkTap,
+                onRedirect: onRedirect,
+              ),
+            ),
+      );
 }
 
-class _TickerPageBodyState extends State<TickerPageBody> {
-  final TickerRepository _repo = TickerRepository();
-  late Future<TickerPageResponse> _future;
+/// Renders a resolved [TickerPageResponse] by kind. Stateful so a REDIRECT
+/// fires only once across the consumer's background-refresh rebuilds.
+class _TickerPageContent extends StatefulWidget {
+  final TickerPageResponse page;
+  final void Function(String href) onLinkTap;
+  final VoidCallback? onRedirect;
+
+  const _TickerPageContent({
+    required this.page,
+    required this.onLinkTap,
+    this.onRedirect,
+  });
 
   @override
-  void initState() {
-    super.initState();
-    _future = _repo.getPage(widget.slug);
-  }
+  State<_TickerPageContent> createState() => _TickerPageContentState();
+}
 
-  void _reload() {
-    setState(() => _future = _repo.getPage(widget.slug));
-  }
+class _TickerPageContentState extends State<_TickerPageContent> {
+  bool _redirected = false;
 
   @override
-  Widget build(BuildContext context) => FutureBuilder<TickerPageResponse>(
-    future: _future,
-    builder: (context, snapshot) {
-      if (snapshot.connectionState != ConnectionState.done) {
-        return const Center(child: CircularProgressIndicator());
-      }
-      final error = snapshot.error;
-      if (error != null) return _buildError(context, error);
-      return _buildContent(context, snapshot.data!);
-    },
-  );
-
-  Widget _buildError(BuildContext context, Object error) {
-    if (error is TickerContentUnavailableException) {
-      return PlaceholderView(
-        icon: Icons.public_off_outlined,
-        text: error.userMessage,
-        button: error.webUrl == null
-            ? null
-            : ElevatedButton.icon(
-                onPressed: () => AppRoutes.openWebUrl(error.webUrl!),
-                icon: const Icon(Icons.open_in_new),
-                label: const Text('Im Browser öffnen'),
-              ),
-      );
-    }
-    return PlaceholderView(
-      icon: Icons.error_outline,
-      text: errorToUserMessage(error),
-      button: errorAllowsRetry(error)
-          ? ElevatedButton.icon(
-              onPressed: _reload,
-              icon: const Icon(Icons.refresh),
-              label: const Text('Erneut versuchen'),
-            )
-          : null,
-    );
-  }
-
-  Widget _buildContent(BuildContext context, TickerPageResponse page) {
+  Widget build(BuildContext context) {
+    final page = widget.page;
     switch (page.kind) {
       case TickerPageKind.redirect:
         final url = page.externalUrl;
-        WidgetsBinding.instance.addPostFrameCallback((_) {
-          if (!mounted) return;
-          if (url != null && url.isNotEmpty) AppRoutes.openExternalUrl(url);
-          widget.onRedirect?.call();
-        });
+        if (!_redirected) {
+          _redirected = true;
+          WidgetsBinding.instance.addPostFrameCallback((_) {
+            if (!mounted) return;
+            if (url != null && url.isNotEmpty) AppRoutes.openExternalUrl(url);
+            widget.onRedirect?.call();
+          });
+        }
         return const Center(child: CircularProgressIndicator());
       case TickerPageKind.proxiedFile:
-        return _ProxiedFileView(repo: _repo, slug: widget.slug);
+        return Column(
+          children: [
+            TickerUpdatedBar(publishedAt: page.publishedAt),
+            Expanded(
+              child: _ProxiedFileView(
+                repo: context.read<TickerPageBloc>().repo,
+                slug: page.slug ?? context.read<TickerPageBloc>().slug,
+              ),
+            ),
+          ],
+        );
       default:
         final content = page.content;
         if (content == null) {
@@ -120,9 +118,17 @@ class _TickerPageBodyState extends State<TickerPageBody> {
           );
         }
         return SingleChildScrollView(
+          // Pull-to-refresh must trigger even when content fits the viewport.
+          physics: const AlwaysScrollableScrollPhysics(),
           padding: const EdgeInsets.only(bottom: AppSpacing.lg),
-          child: TickerContentCard(
-            child: PmJsonView(json: content, onLinkTap: widget.onLinkTap),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              TickerUpdatedBar(publishedAt: page.publishedAt),
+              TickerContentCard(
+                child: PmJsonView(json: content, onLinkTap: widget.onLinkTap),
+              ),
+            ],
           ),
         );
     }
@@ -130,7 +136,7 @@ class _TickerPageBodyState extends State<TickerPageBody> {
 }
 
 class _ProxiedFileView extends StatefulWidget {
-  final TickerRepository repo;
+  final TickerPageRepository repo;
   final String slug;
 
   const _ProxiedFileView({required this.repo, required this.slug});
@@ -162,9 +168,9 @@ class _ProxiedFileViewState extends State<_ProxiedFileView> {
           text: errorToUserMessage(error),
           button: errorAllowsRetry(error)
               ? ElevatedButton.icon(
-                  onPressed: () => setState(
-                    () => _bytes = widget.repo.getPageFile(widget.slug),
-                  ),
+                  onPressed: () => setState(() {
+                    _bytes = widget.repo.getPageFile(widget.slug);
+                  }),
                   icon: const Icon(Icons.refresh),
                   label: const Text('Erneut versuchen'),
                 )

lib/view/pages/ticker/widgets/ticker_updated_bar.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+
+import '../../../../extensions/date_time.dart';
+import '../../../../theming/app_theme.dart';
+
+/// Non-interactive "Aktualisiert am …" mini heading above the content card
+/// (refresh is pull-to-refresh). Left-aligned with the card's content indent.
+/// Renders nothing when [publishedAt] is missing/unparseable.
+class TickerUpdatedBar extends StatelessWidget {
+  final String? publishedAt;
+
+  const TickerUpdatedBar({super.key, this.publishedAt});
+
+  @override
+  Widget build(BuildContext context) {
+    final iso = publishedAt;
+    final parsed = iso == null || iso.isEmpty ? null : DateTime.tryParse(iso);
+    if (parsed == null) return const SizedBox.shrink();
+
+    final theme = Theme.of(context);
+    final muted = theme.colorScheme.onSurfaceVariant;
+
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(
+        AppSpacing.sm + AppSpacing.md,
+        AppSpacing.sm,
+        AppSpacing.md,
+        AppSpacing.xs,
+      ),
+      child: Row(
+        children: [
+          Icon(Icons.schedule, size: 13, color: muted),
+          const SizedBox(width: AppSpacing.xs),
+          Text(
+            'Aktualisiert am ${parsed.toLocal().formatDateTime()}',
+            style: theme.textTheme.labelSmall?.copyWith(color: muted),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/widget/avatar_disk_cache.dart

@@ -0,0 +1,187 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:path_provider/path_provider.dart';
+
+/// Persistent disk cache for the in-app [UserAvatar] widget.
+///
+/// The widget keeps a session-scoped in-memory LRU; this store survives app
+/// restarts so a cold start paints the last-known picture on the first frame
+/// instead of a blank placeholder while the network request is in flight.
+/// Bytes are stored raw (PNG/JPEG/WEBP/SVG) — the widget re-detects SVG from
+/// the bytes on read, so no content-type sidecar is needed.
+///
+/// Distinct from [PushAvatarStore], which caches PRE-MASKED round PNGs for the
+/// FCM background isolate and only handles room avatars.
+class AvatarDiskCache {
+  AvatarDiskCache._();
+  static final AvatarDiskCache instance = AvatarDiskCache._();
+
+  static const _subDirectory = 'avatar_cache';
+
+  /// Files older than this are pruned. Only bounds disk for subjects that are
+  /// no longer seen — freshness within a session is handled by the widget's
+  /// background refresh, which always re-fetches over the network.
+  static const Duration maxAge = Duration(days: 30);
+
+  // Memoized so the async directory lookup runs once, and its resolved path is
+  // exposed for the synchronous read path (zero-flash on warm sessions).
+  Future<Directory>? _dirFuture;
+  static String? _dirPath;
+
+  // Prune runs once per session after the first successful write, so a
+  // cold-start burst of avatar fetches doesn't re-list the directory per file.
+  bool _pruned = false;
+
+  /// Kicks off directory resolution so [readSync] can hit on the very first
+  /// avatar of a session. Fire-and-forget from app start; safe to call twice.
+  void warmUp() => unawaited(_directory());
+
+  Future<Directory> _directory() {
+    return _dirFuture ??= _resolveDirectory();
+  }
+
+  Future<Directory> _resolveDirectory() async {
+    final base = await getApplicationCacheDirectory();
+    final dir = Directory('${base.path}/$_subDirectory');
+    await dir.create(recursive: true);
+    _dirPath = dir.path;
+    return dir;
+  }
+
+  /// File-safe, prefix-evictable name. The subject id is hex-encoded so it can
+  /// only contain `[0-9a-f]`, which keeps the `_` separator unambiguous: the
+  /// user prefix `u_<hex>_` never matches a longer id's file.
+  static String fileName({
+    required String id,
+    required bool isGroup,
+    required int size,
+  }) {
+    final hex = _hex(id);
+    // Group avatars are served at one fixed size (no size in the URL).
+    return isGroup ? 'g_$hex' : 'u_${hex}_$size';
+  }
+
+  static String _hex(String value) {
+    final buffer = StringBuffer();
+    for (final b in utf8.encode(value)) {
+      buffer.write(b.toRadixString(16).padLeft(2, '0'));
+    }
+    return buffer.toString();
+  }
+
+  /// Synchronous read for warm sessions (cache directory already resolved).
+  /// Returns null when the directory isn't known yet — the caller falls back
+  /// to [read]. Returns null on any error so a corrupt file never throws into
+  /// a build.
+  Uint8List? readSync({
+    required String id,
+    required bool isGroup,
+    required int size,
+  }) {
+    final path = _dirPath;
+    if (path == null) return null;
+    try {
+      final file = File(
+        '$path/${fileName(id: id, isGroup: isGroup, size: size)}',
+      );
+      if (!file.existsSync()) return null;
+      final bytes = file.readAsBytesSync();
+      return bytes.isEmpty ? null : bytes;
+    } on Object {
+      return null;
+    }
+  }
+
+  Future<Uint8List?> read({
+    required String id,
+    required bool isGroup,
+    required int size,
+  }) async {
+    try {
+      final dir = await _directory();
+      final file = File(
+        '${dir.path}/${fileName(id: id, isGroup: isGroup, size: size)}',
+      );
+      if (!file.existsSync()) return null;
+      final bytes = await file.readAsBytes();
+      return bytes.isEmpty ? null : bytes;
+    } on Object {
+      return null;
+    }
+  }
+
+  Future<void> write({
+    required String id,
+    required bool isGroup,
+    required int size,
+    required Uint8List bytes,
+  }) async {
+    try {
+      final dir = await _directory();
+      final file = File(
+        '${dir.path}/${fileName(id: id, isGroup: isGroup, size: size)}',
+      );
+      await file.writeAsBytes(bytes, flush: true);
+      if (!_pruned) {
+        _pruned = true;
+        unawaited(_prune(dir));
+      }
+    } on Object {
+      // Best effort — a failed write just means the next launch re-fetches.
+    }
+  }
+
+  /// Drops every cached size for a user (or the single file for a group).
+  /// Called from `invalidateAvatarCache` after an upload/removal or a 404.
+  Future<void> evict({required String id, required bool isGroup}) async {
+    try {
+      final dir = await _directory();
+      if (isGroup) {
+        final file = File('${dir.path}/${fileName(id: id, isGroup: true, size: 0)}');
+        if (file.existsSync()) await file.delete();
+        return;
+      }
+      final prefix = 'u_${_hex(id)}_';
+      await for (final entry in dir.list()) {
+        if (entry is! File) continue;
+        if (entry.uri.pathSegments.last.startsWith(prefix)) {
+          await entry.delete();
+        }
+      }
+    } on Object {
+      // Best effort — the 30-day max age catches stragglers.
+    }
+  }
+
+  /// Wipes the whole cache — used by the argument-less `invalidateAvatarCache`
+  /// (e.g. on logout).
+  Future<void> clear() async {
+    try {
+      final dir = await _directory();
+      if (dir.existsSync()) {
+        await for (final entry in dir.list()) {
+          if (entry is File) await entry.delete();
+        }
+      }
+    } on Object {
+      // Best effort.
+    }
+  }
+
+  Future<void> _prune(Directory dir) async {
+    try {
+      final now = DateTime.now();
+      await for (final entry in dir.list()) {
+        if (entry is! File) continue;
+        if (now.difference(entry.lastModifiedSync()) > maxAge) {
+          await entry.delete();
+        }
+      }
+    } on Object {
+      // Best effort.
+    }
+  }
+}

lib/widget/user_avatar.dart

@@ -1,8 +1,8 @@
 import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
-import 'dart:typed_data';
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:http/http.dart' as http;
@@ -10,6 +10,7 @@ import 'package:http/http.dart' as http;
 import '../model/account_data.dart';
 import '../model/endpoint_data.dart';
 import '../push/push_avatar.dart';
+import 'avatar_disk_cache.dart';
 
 class UserAvatar extends StatefulWidget {
   final String id;
@@ -84,10 +85,12 @@ void invalidateAvatarCache({String? id, bool? isGroup}) {
   if (id == null) {
     _resolvedAvatars.clear();
     _pendingAvatars.clear();
+    unawaited(AvatarDiskCache.instance.clear());
   } else if (isGroup == true) {
     final url = avatarUrl(id: id, isGroup: true);
     _resolvedAvatars.remove(url);
     _pendingAvatars.remove(url);
+    unawaited(AvatarDiskCache.instance.evict(id: id, isGroup: true));
     // Keep the push-notification disk cache in sync — it serves the same
     // room avatar to the FCM background isolate.
     unawaited(PushAvatarStore.evict(id));
@@ -97,6 +100,7 @@ void invalidateAvatarCache({String? id, bool? isGroup}) {
     final prefix = 'https://$host/avatar/$id/';
     _resolvedAvatars.removeWhere((url, _) => url.startsWith(prefix));
     _pendingAvatars.removeWhere((url, _) => url.startsWith(prefix));
+    unawaited(AvatarDiskCache.instance.evict(id: id, isGroup: false));
   }
   _avatarCacheGeneration.value++;
 }
@@ -170,34 +174,133 @@ class _UserAvatarState extends State<UserAvatar> {
       _payload = cached.payload;
       return;
     }
-    _payload = null;
-    final pending = _pendingAvatars.putIfAbsent(url, () => _fetch(url));
-    pending.then((p) {
-      _writeAvatarCache(url, p);
-      _pendingAvatars.remove(url);
-      if (!mounted || _url() != url) return;
-      setState(() => _payload = p);
-    });
+    // Capture the subject once — later async steps must not read widget.* since
+    // the widget may have been recycled onto a different id by then.
+    final id = widget.id;
+    final isGroup = widget.isGroup;
+    final size = _resolvedRequestSize();
+
+    // Persistent disk cache: on a warm session (cache directory already known)
+    // this hits synchronously, so a cold app start paints the last-known
+    // picture on the first frame instead of a blank placeholder.
+    final diskBytes = AvatarDiskCache.instance.readSync(
+      id: id,
+      isGroup: isGroup,
+      size: size,
+    );
+    if (diskBytes != null) {
+      final payload = _payloadFromBytes(diskBytes);
+      _payload = payload;
+      _writeAvatarCache(url, payload);
+    } else {
+      _payload = null;
+    }
+    unawaited(_resolve(url, id, isGroup, size, haveBytes: _payload != null));
   }
 
-  Future<_AvatarPayload?> _fetch(String url) async {
-    try {
-      final response = await http.get(
-        Uri.parse(url),
-        headers: {
-          'Authorization': AccountData().getBasicAuthHeader(),
-          'Accept': 'image/png,image/jpeg,image/webp,image/svg+xml',
-        },
+  /// Fills the placeholder from disk (async path, for the first avatar of a
+  /// session), then always refreshes over the network so a changed server-side
+  /// picture replaces the cached one. Network work is deduped across every
+  /// widget showing the same avatar via [_pendingAvatars].
+  Future<void> _resolve(
+    String url,
+    String id,
+    bool isGroup,
+    int size, {
+    required bool haveBytes,
+  }) async {
+    if (!haveBytes) {
+      final diskBytes = await AvatarDiskCache.instance.read(
+        id: id,
+        isGroup: isGroup,
+        size: size,
       );
-      if (response.statusCode != 200 || response.bodyBytes.isEmpty) return null;
-
-      final contentType = response.headers['content-type']?.toLowerCase() ?? '';
-      final bytes = response.bodyBytes;
-      final isSvg = contentType.contains('svg') || _looksLikeSvg(bytes);
-      return _AvatarPayload(bytes, isSvg);
-    } catch (_) {
-      return null;
+      if (diskBytes != null && mounted && _url() == url && _payload == null) {
+        final payload = _payloadFromBytes(diskBytes);
+        _writeAvatarCache(url, payload);
+        setState(() => _payload = payload);
+      }
     }
+
+    final pending = _pendingAvatars.putIfAbsent(url, () {
+      final future = _fetch(url);
+      future.whenComplete(() {
+        if (identical(_pendingAvatars[url], future)) _pendingAvatars.remove(url);
+      });
+      return future;
+    });
+
+    _AvatarPayload? fresh;
+    try {
+      fresh = await pending;
+    } on Object {
+      // Transient failure (offline, 5xx). Keep showing the cached picture; the
+      // next mount retries. Deliberately no null-cache so we don't mask it.
+      return;
+    }
+
+    _commit(url, id, isGroup, size, fresh);
+    if (!mounted || _url() != url) return;
+    if (fresh == null) {
+      // HTTP 404 — the avatar was removed server-side. Fall back to the icon.
+      if (_payload != null) setState(() => _payload = null);
+    } else if (!_sameBytes(_payload, fresh)) {
+      setState(() => _payload = fresh);
+    }
+  }
+
+  // Persists a resolved result to the in-memory and disk caches. Uses the
+  // captured subject (not widget.*) so a recycled widget can't misfile bytes.
+  void _commit(
+    String url,
+    String id,
+    bool isGroup,
+    int size,
+    _AvatarPayload? payload,
+  ) {
+    _writeAvatarCache(url, payload);
+    if (payload != null) {
+      unawaited(
+        AvatarDiskCache.instance.write(
+          id: id,
+          isGroup: isGroup,
+          size: size,
+          bytes: payload.bytes,
+        ),
+      );
+    } else {
+      unawaited(AvatarDiskCache.instance.evict(id: id, isGroup: isGroup));
+    }
+  }
+
+  static _AvatarPayload _payloadFromBytes(Uint8List bytes) =>
+      _AvatarPayload(bytes, _looksLikeSvg(bytes));
+
+  static bool _sameBytes(_AvatarPayload? a, _AvatarPayload? b) {
+    if (a == null || b == null) return a == b;
+    return listEquals(a.bytes, b.bytes);
+  }
+
+  /// Returns the avatar bytes, `null` for a definitive miss (HTTP 404 — no
+  /// avatar exists), or throws on a transient error (offline, non-200) so the
+  /// caller keeps the cached picture instead of blanking it.
+  Future<_AvatarPayload?> _fetch(String url) async {
+    final response = await http.get(
+      Uri.parse(url),
+      headers: {
+        'Authorization': AccountData().getBasicAuthHeader(),
+        'Accept': 'image/png,image/jpeg,image/webp,image/svg+xml',
+      },
+    );
+    if (response.statusCode == 404) return null;
+    if (response.statusCode != 200 || response.bodyBytes.isEmpty) {
+      throw Exception('avatar fetch failed: HTTP ${response.statusCode}');
+    }
+
+    final contentType = response.headers['content-type']?.toLowerCase() ?? '';
+    final bytes = response.bodyBytes;
+    final isSvg = contentType.contains('svg') || _looksLikeSvg(bytes);
+    return _AvatarPayload(bytes, isSvg);
   }
 
   static bool _looksLikeSvg(Uint8List bytes) {

test/view/ticker/ticker_scaffold_test.dart

@@ -23,15 +23,11 @@ Widget _host({
   List<TickerNavSection>? sections,
   String? initialSlug,
   void Function(String? slug)? onSelectionChanged,
-  String? homePublishedAt,
-  VoidCallback? onRefreshHome,
 }) => MaterialApp(
   home: TickerScaffold(
     sections: sections ?? _sections(),
     initialSlug: initialSlug,
     onSelectionChanged: onSelectionChanged,
-    homePublishedAt: homePublishedAt,
-    onRefreshHome: onRefreshHome,
     homeBuilder: (context, onLinkTap) => const Text('HOME'),
     pageBuilder: (context, slug, onLinkTap) => Text('PAGE:$slug'),
   ),
@@ -231,50 +227,6 @@ void main() {
     });
   });
 
-  group('home date button', () {
-    testWidgets('shows the publish date on home and refreshes on tap', (
-      tester,
-    ) async {
-      var refreshed = 0;
-      await tester.pumpWidget(
-        _host(
-          homePublishedAt: '2026-02-17T14:30:00',
-          onRefreshHome: () => refreshed++,
-        ),
-      );
-      await tester.pumpAndSettle();
-
-      expect(find.text('17.02.2026, 14:30'), findsOneWidget);
-
-      await tester.tap(find.text('17.02.2026, 14:30'));
-      await tester.pumpAndSettle();
-      expect(refreshed, 1);
-    });
-
-    testWidgets('hides the date button when there is no date', (tester) async {
-      await tester.pumpWidget(_host());
-      await tester.pumpAndSettle();
-
-      expect(find.byIcon(Icons.schedule), findsNothing);
-    });
-
-    testWidgets('hides the date button once a page is open', (tester) async {
-      tester.view.physicalSize = const Size(1200, 2000);
-      tester.view.devicePixelRatio = 1.0;
-      addTearDown(tester.view.resetPhysicalSize);
-      addTearDown(tester.view.resetDevicePixelRatio);
-      await tester.pumpWidget(_host(homePublishedAt: '2026-02-17T14:30:00'));
-      await tester.pumpAndSettle();
-
-      expect(find.byIcon(Icons.schedule), findsOneWidget);
-
-      await tester.tap(find.text('Über uns'));
-      await tester.pumpAndSettle();
-
-      expect(find.byIcon(Icons.schedule), findsNothing);
-    });
-  });
-
   group('back gesture', () {
     testWidgets('pops from a sub-page back to home via the tab navigator', (
       tester,

test/view/ticker/ticker_updated_bar_test.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jiffy/jiffy.dart';
+import 'package:marianum_mobile/view/pages/ticker/widgets/ticker_updated_bar.dart';
+
+Widget _host(String? publishedAt) =>
+    MaterialApp(home: Scaffold(body: TickerUpdatedBar(publishedAt: publishedAt)));
+
+void main() {
+  setUpAll(() async {
+    await Jiffy.setLocale('de');
+  });
+
+  testWidgets('renders the formatted publish date', (tester) async {
+    await tester.pumpWidget(_host('2026-02-17T14:30:00'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Aktualisiert am 17.02.2026 14:30'), findsOneWidget);
+    expect(find.byIcon(Icons.schedule), findsOneWidget);
+  });
+
+  testWidgets('renders nothing without a date', (tester) async {
+    await tester.pumpWidget(_host(null));
+    await tester.pumpAndSettle();
+
+    expect(find.byIcon(Icons.schedule), findsNothing);
+    expect(find.textContaining('Aktualisiert'), findsNothing);
+  });
+
+  testWidgets('renders nothing for an unparseable date', (tester) async {
+    await tester.pumpWidget(_host('not-a-date'));
+    await tester.pumpAndSettle();
+
+    expect(find.byIcon(Icons.schedule), findsNothing);
+  });
+}

test/widget/avatar_disk_cache_test.dart

@@ -0,0 +1,51 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/widget/avatar_disk_cache.dart';
+
+void main() {
+  group('AvatarDiskCache.fileName', () {
+    test('user files carry the size, group files do not', () {
+      expect(
+        AvatarDiskCache.fileName(id: 'alice', isGroup: false, size: 256),
+        'u_616c696365_256',
+      );
+      expect(
+        AvatarDiskCache.fileName(id: 'alice', isGroup: false, size: 64),
+        'u_616c696365_64',
+      );
+      // Groups are served at one fixed size — the size argument is ignored.
+      expect(
+        AvatarDiskCache.fileName(id: 'room1', isGroup: true, size: 512),
+        AvatarDiskCache.fileName(id: 'room1', isGroup: true, size: 64),
+      );
+      expect(
+        AvatarDiskCache.fileName(id: 'room1', isGroup: true, size: 0),
+        startsWith('g_'),
+      );
+    });
+
+    test('names are file-safe even for exotic ids', () {
+      final name = AvatarDiskCache.fileName(
+        id: 'a/b c@d',
+        isGroup: false,
+        size: 128,
+      );
+      expect(name, matches(RegExp(r'^u_[0-9a-f]+_128$')));
+    });
+
+    test(
+      'a short id evict prefix never matches a longer id file (hex + _ '
+      'separator keeps the boundary unambiguous)',
+      () {
+        // Eviction deletes files starting with `u_<hex(id)>_`.
+        final shortPrefix =
+            'u_${AvatarDiskCache.fileName(id: 'a', isGroup: false, size: 1).split('_')[1]}_';
+        final longFile = AvatarDiskCache.fileName(
+          id: 'a_b',
+          isGroup: false,
+          size: 256,
+        );
+        expect(longFile.startsWith(shortPrefix), isFalse);
+      },
+    );
+  });
+}