better date formatting

app/lib/core/extension/date_time.dart

@@ -0,0 +1,13 @@
+extension DateTimeFormat on DateTime {
+  String _twoDigits(int n) => n.toString().padLeft(2, '0');
+
+  String formatWithMinutePrecision() {
+    final year = this.year.toString();
+    final month = _twoDigits(this.month);
+    final day = _twoDigits(this.day);
+    final hour = _twoDigits(this.hour);
+    final minute = _twoDigits(this.minute);
+
+    return '$year-$month-$day $hour:$minute';
+  }
+}

app/lib/features/chat_archive/presentation/screens/detail.dart

@@ -125,7 +125,8 @@ class ChatArchiveDetailScreen extends HookConsumerWidget {
           ),
           error: (error, stackTrace) {
             return FailureWidget(
-              title: error.toString(),
+              title: 'Could not load chat',
+              exception: error,
               onRetry: () => ref.refresh(readArchivedChatProvider(fileName)),
             );
           },

app/lib/features/chat_archive/presentation/screens/list.dart

@@ -1,3 +1,4 @@
+import 'package:bang_navigator/core/extension/date_time.dart';
 import 'package:bang_navigator/core/routing/routes.dart';
 import 'package:bang_navigator/features/chat_archive/domain/repositories/chat_archive.dart';
 import 'package:bang_navigator/presentation/widgets/failure_widget.dart';
@@ -27,7 +28,7 @@ class ChatArchiveListScreen extends HookConsumerWidget {
                   return ListTile(
                     title: Text(chat.toString()),
                     subtitle: (chat.dateTime != null)
-                        ? Text(chat.dateTime.toString())
+                        ? Text(chat.dateTime!.formatWithMinutePrecision())
                         : null,
                     onTap: () async {
                       await context.push(
@@ -41,7 +42,8 @@ class ChatArchiveListScreen extends HookConsumerWidget {
             },
             error: (error, stackTrace) {
               return FailureWidget(
-                title: error.toString(),
+                title: 'Could not load archived chats',
+                exception: error,
                 onRetry: () => ref.refresh(chatArchiveRepositoryProvider),
               );
             },