simplified code across the app and consolidated duplicated helpers

lib/state/app/infrastructure/loadable_state/view/loadable_state_consumer.dart

@@ -40,7 +40,7 @@ class LoadableStateConsumer<
     super.key,
   });
 
-  static Duration animationDuration = const Duration(milliseconds: 200);
+  static const Duration animationDuration = Duration(milliseconds: 200);
 
   @override
   Widget build(BuildContext context) {

lib/state/app/infrastructure/loadable_state/view/loadable_state_error_bar.dart

@@ -5,6 +5,7 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 
 import '../../../../../widget/info_dialog.dart';
 import '../bloc/loadable_state_bloc.dart';
+import 'loadable_state_consumer.dart';
 
 class LoadableStateErrorBar extends StatelessWidget {
   final bool visible;
@@ -21,8 +22,6 @@ class LoadableStateErrorBar extends StatelessWidget {
     super.key,
   });
 
-  final Duration animationDuration = const Duration(milliseconds: 200);
-
   @override
   Widget build(BuildContext context) {
     final bloc = context.watch<LoadableStateBloc>();
@@ -31,9 +30,9 @@ class LoadableStateErrorBar extends StatelessWidget {
     final shouldShow = visible || isOfflineWithCache;
 
     return AnimatedSize(
-      duration: animationDuration,
+      duration: LoadableStateConsumer.animationDuration,
       child: AnimatedSwitcher(
-        duration: animationDuration,
+        duration: LoadableStateConsumer.animationDuration,
         transitionBuilder: (Widget child, Animation<double> animation) =>
             SlideTransition(
               position: Tween<Offset>(
@@ -46,35 +45,27 @@ class LoadableStateErrorBar extends StatelessWidget {
           key: Key(shouldShow.hashCode.toString()),
           visible: shouldShow,
           replacement: const SizedBox(width: double.infinity),
-          child: Builder(
-            builder: (context) {
-              var bloc = context.watch<LoadableStateBloc>();
-              return InkWell(
-                onTap: () {
-                  if (!bloc.isConnected()) return;
-                  final body = [
-                    if (message != null && message!.isNotEmpty) message!,
-                    if (technicalDetails != null &&
-                        technicalDetails!.isNotEmpty)
-                      technicalDetails!,
-                  ].join('\n\n');
-                  if (body.isEmpty) return;
-                  InfoDialog.show(
-                    context,
-                    body,
-                    copyable: true,
-                    title: 'Fehlerdetails',
-                  );
-                },
-                child: Container(
-                  height: 20,
-                  decoration: BoxDecoration(
-                    color: bloc.connectionColor(context),
-                  ),
-                  child: LoadableStateErrorBarText(lastUpdated: lastUpdated),
-                ),
+          child: InkWell(
+            onTap: () {
+              if (!bloc.isConnected()) return;
+              final body = [
+                if (message != null && message!.isNotEmpty) message!,
+                if (technicalDetails != null && technicalDetails!.isNotEmpty)
+                  technicalDetails!,
+              ].join('\n\n');
+              if (body.isEmpty) return;
+              InfoDialog.show(
+                context,
+                body,
+                copyable: true,
+                title: 'Fehlerdetails',
               );
             },
+            child: Container(
+              height: 20,
+              decoration: BoxDecoration(color: bloc.connectionColor(context)),
+              child: LoadableStateErrorBarText(lastUpdated: lastUpdated),
+            ),
           ),
         ),
       ),
@@ -106,8 +97,9 @@ class _LoadableStateErrorBarTextState extends State<LoadableStateErrorBarText> {
 
   @override
   Widget build(BuildContext context) {
-    var bloc = context.watch<LoadableStateBloc>();
+    final bloc = context.watch<LoadableStateBloc>();
     final foreground = bloc.connectionForegroundColor(context);
+    final text = bloc.connectionText(lastUpdated: widget.lastUpdated);
 
     // liveRegion, damit das Auftauchen des Offline-/Fehlerbanners angesagt wird;
     // Row-Semantik ausgeschlossen (Icon + Text) und Text über das explizite
@@ -115,17 +107,14 @@ class _LoadableStateErrorBarTextState extends State<LoadableStateErrorBarText> {
     return Semantics(
       liveRegion: true,
       container: true,
-      label: bloc.connectionText(lastUpdated: widget.lastUpdated),
+      label: text,
       child: ExcludeSemantics(
         child: Row(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
             Icon(bloc.connectionIcon(), size: 14, color: foreground),
             const SizedBox(width: 10),
-            Text(
-              bloc.connectionText(lastUpdated: widget.lastUpdated),
-              style: TextStyle(fontSize: 12, color: foreground),
-            ),
+            Text(text, style: TextStyle(fontSize: 12, color: foreground)),
           ],
         ),
       ),