refactored data providers with centralized cache resolution, unified UI using custom dialogs and bottom sheets, and enhanced network error handling for Dio and TLS errors

lib/view/pages/talk/widgets/bubble.dart

@@ -40,9 +40,8 @@ class BubbleStyle {
   final double borderRadius;
 }
 
-/// Lightweight chat bubble. Replaces the abandoned `bubble` package: renders a
-/// rounded container with optional shadow / border. The nip is conveyed by
-/// flattening one corner so the bubble visually anchors to the speaker side.
+/// The "nip" is faked by flattening one corner so the bubble anchors to
+/// the speaker side.
 class Bubble extends StatelessWidget {
   const Bubble({required this.child, required this.style, super.key});
 

lib/view/pages/talk/widgets/chat_bubble.dart

@@ -246,9 +246,6 @@ class _ChatBubbleState extends State<ChatBubble> with SingleTickerProviderStateM
   }
 }
 
-/// Stack inside the bubble: actor name (top-left, optional), message body
-/// (centre), timestamp + read marker (bottom-right, optional), and a
-/// download progress bar overlaid at the bottom while a job is running.
 class _BubbleContent extends StatelessWidget {
   final Text actorText;
   final Text timeText;

lib/view/pages/talk/widgets/chat_message_options_dialog.dart

@@ -14,13 +14,14 @@ import '../../../../utils/clipboard_helper.dart';
 import '../../../../widget/app_progress_indicator.dart';
 import '../../../../widget/async_action_button.dart';
 import '../../../../widget/debug/debug_tile.dart';
+import '../../../../widget/details_bottom_sheet.dart';
 
 const _commonReactions = <String>['👍', '👎', '😆', '❤️', '👀'];
 
 /// Long-press / double-tap options dialog for a single chat message bubble.
 /// The hosting [ChatBubble] keeps responsibility for rendering the bubble;
 /// this file owns the modal interactions (react, reply, copy, delete, ...).
-Future<void> showChatMessageOptionsDialog(
+void showChatMessageOptionsDialog(
   BuildContext context, {
   required GetRoomResponseObject chatData,
   required GetChatResponseObject bubbleData,
@@ -34,63 +35,61 @@ Future<void> showChatMessageOptionsDialog(
           .add(const Duration(hours: 6))
           .isAfter(DateTime.now());
 
-  return showDialog(
-    context: context,
-    builder: (dialogCtx) => SimpleDialog(
-      children: [
-        if (canReact)
-          _ReactionsRow(
-            chatToken: chatData.token,
-            messageId: bubbleData.id,
-            onRefetch: onRefetch,
-            dialogContext: dialogCtx,
-          ),
-        if (bubbleData.isReplyable)
-          ListTile(
-            leading: const Icon(Icons.reply_outlined),
-            title: const Text('Antworten'),
-            onTap: () {
-              dialogCtx.read<ChatBloc>().setReferenceMessageId(bubbleData.id);
-              Navigator.of(dialogCtx).pop();
-            },
-          ),
-        if (canReact)
-          ListTile(
-            leading: const Icon(Icons.emoji_emotions_outlined),
-            title: const Text('Reaktionen'),
-            onTap: () {
-              Navigator.of(dialogCtx).pop();
-              if (!parentContext.mounted) return;
-              AppRoutes.openMessageReactions(parentContext, chatData.token, bubbleData.id);
-            },
-          ),
-        if (bubbleData.message != '{file}')
-          ListTile(
-            leading: const Icon(Icons.copy),
-            title: const Text('Nachricht kopieren'),
-            onTap: () {
-              copyToClipboard(parentContext, bubbleData.message);
-              Navigator.of(dialogCtx).pop();
-            },
-          ),
-        if (!kReleaseMode && !isSender && chatData.type != GetRoomResponseObjectConversationType.oneToOne)
-          ListTile(
-            leading: const Icon(Icons.sms_outlined),
-            title: Text("Private Nachricht an '${bubbleData.actorDisplayName}'"),
-            onTap: () => Navigator.of(dialogCtx).pop(),
-          ),
-        if (canDelete)
-          AsyncListTile(
-            leading: const Icon(Icons.delete_outline),
-            title: const Text('Nachricht löschen'),
-            onPressed: () async {
-              await DeleteMessage(chatData.token, bubbleData.id).run();
-              if (dialogCtx.mounted) dialogCtx.read<ChatBloc>().refresh();
-            },
-          ),
-        DebugTile(dialogCtx).jsonData(bubbleData.toJson()),
-      ],
-    ),
+  showDetailsBottomSheet(
+    context,
+    children: (sheetCtx) => [
+      if (canReact)
+        _ReactionsRow(
+          chatToken: chatData.token,
+          messageId: bubbleData.id,
+          onRefetch: onRefetch,
+          sheetContext: sheetCtx,
+        ),
+      if (bubbleData.isReplyable)
+        ListTile(
+          leading: const Icon(Icons.reply_outlined),
+          title: const Text('Antworten'),
+          onTap: () {
+            sheetCtx.read<ChatBloc>().setReferenceMessageId(bubbleData.id);
+            Navigator.of(sheetCtx).pop();
+          },
+        ),
+      if (canReact)
+        ListTile(
+          leading: const Icon(Icons.emoji_emotions_outlined),
+          title: const Text('Reaktionen'),
+          onTap: () {
+            Navigator.of(sheetCtx).pop();
+            if (!parentContext.mounted) return;
+            AppRoutes.openMessageReactions(parentContext, chatData.token, bubbleData.id);
+          },
+        ),
+      if (bubbleData.message != '{file}')
+        ListTile(
+          leading: const Icon(Icons.copy),
+          title: const Text('Nachricht kopieren'),
+          onTap: () {
+            copyToClipboard(parentContext, bubbleData.message);
+            Navigator.of(sheetCtx).pop();
+          },
+        ),
+      if (!kReleaseMode && !isSender && chatData.type != GetRoomResponseObjectConversationType.oneToOne)
+        ListTile(
+          leading: const Icon(Icons.sms_outlined),
+          title: Text("Private Nachricht an '${bubbleData.actorDisplayName}'"),
+          onTap: () => Navigator.of(sheetCtx).pop(),
+        ),
+      if (canDelete)
+        AsyncListTile(
+          leading: const Icon(Icons.delete_outline),
+          title: const Text('Nachricht löschen'),
+          onPressed: () async {
+            await DeleteMessage(chatData.token, bubbleData.id).run();
+            if (sheetCtx.mounted) sheetCtx.read<ChatBloc>().refresh();
+          },
+        ),
+      DebugTile(sheetCtx).jsonData(bubbleData.toJson()),
+    ],
   );
 }
 
@@ -98,13 +97,13 @@ class _ReactionsRow extends StatefulWidget {
   final String chatToken;
   final int messageId;
   final void Function({bool renew}) onRefetch;
-  final BuildContext dialogContext;
+  final BuildContext sheetContext;
 
   const _ReactionsRow({
     required this.chatToken,
     required this.messageId,
     required this.onRefetch,
-    required this.dialogContext,
+    required this.sheetContext,
   });
 
   @override
@@ -131,7 +130,7 @@ class _ReactionsRowState extends State<_ReactionsRow> {
     if (!mounted) return;
     if (ok) {
       widget.onRefetch(renew: true);
-      if (widget.dialogContext.mounted) Navigator.of(widget.dialogContext).pop();
+      if (widget.sheetContext.mounted) Navigator.of(widget.sheetContext).pop();
     }
   }
 

lib/view/pages/talk/widgets/chat_tile.dart

@@ -15,6 +15,7 @@ import '../../../../state/app/modules/chat_list/bloc/chat_list_bloc.dart';
 import '../../../../widget/async_action_button.dart';
 import '../../../../widget/confirm_dialog.dart';
 import '../../../../widget/debug/debug_tile.dart';
+import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/user_avatar.dart';
 import '../chat_view.dart';
 import '../talk_navigator.dart';
@@ -124,8 +125,9 @@ class _ChatTileState extends State<ChatTile> {
       },
       onLongPress: () {
         if (widget.disableContextActions) return;
-        showDialog(context: context, builder: (dialogCtx) => SimpleDialog(
-          children: [
+        showDetailsBottomSheet(
+          context,
+          children: (sheetCtx) => [
             if (widget.data.unreadMessages > 0)
               AsyncListTile(
                 leading: const Icon(Icons.mark_chat_read_outlined),
@@ -163,7 +165,7 @@ class _ChatTileState extends State<ChatTile> {
               leading: const Icon(Icons.delete_outline),
               title: const Text('Konversation verlassen'),
               onTap: () {
-                Navigator.of(dialogCtx).pop();
+                Navigator.of(sheetCtx).pop();
                 ConfirmDialog(
                   title: 'Chat verlassen',
                   content: 'Du benötigst ggf. eine Einladung um erneut beizutreten.',
@@ -175,9 +177,9 @@ class _ChatTileState extends State<ChatTile> {
                 ).asDialog(context);
               },
             ),
-            DebugTile(dialogCtx).jsonData(widget.data.toJson()),
+            DebugTile(sheetCtx).jsonData(widget.data.toJson()),
           ],
-        ));
+        );
       },
     );
   }

lib/view/pages/talk/widgets/poll_options_list.dart

@@ -29,7 +29,6 @@ class _PollOptionsListState extends State<PollOptionsList> {
         final portion = numVoters == 0 ? 0.0 : (votes / numVoters);
 
         return ListTile(
-          // enabled: false,
           isThreeLine: portionsVisible,
           dense: true,
           title: Text(