implemented global user search integration for Talk chats with role-coded badges and direct chat creation logic

lib/view/pages/talk/chat_list.dart

@@ -10,9 +10,9 @@ import '../../../state/app/infrastructure/loadable_state/view/loadable_state_con
 import '../../../state/app/modules/chat_list/bloc/chat_list_bloc.dart';
 import '../../../state/app/modules/chat_list/bloc/chat_list_state.dart';
 import '../../../state/app/modules/settings/bloc/settings_cubit.dart';
-import '../../../widget/confirm_dialog.dart';
 import '../../../widget/demo_restricted.dart';
 import '../../../widget/placeholder_view.dart';
+import 'data/open_direct_chat.dart';
 import 'join_chat.dart';
 import 'notification_permission_prompt.dart';
 import 'search_chat.dart';
@@ -91,7 +91,15 @@ class _ChatListViewState extends State<_ChatListView> {
                   if (rooms == null) return;
                   showSearch(
                     context: context,
-                    delegate: SearchChat(rooms.data.toList()),
+                    delegate: SearchChat(
+                      rooms.data.toList(),
+                      onStartChat: (username, displayName) =>
+                          openOrCreateDirectChat(
+                            context,
+                            actorId: username,
+                            actorDisplayName: displayName,
+                          ),
+                    ),
                   );
                 },
               ),
@@ -106,13 +114,11 @@ class _ChatListViewState extends State<_ChatListView> {
                 username,
               ) {
                 if (username == null || !context.mounted) return;
-                ConfirmDialog(
-                  title: 'Talk-Chat starten',
-                  content:
-                      "Möchtest du einen Talk-Chat mit Nutzer '$username' starten?",
-                  confirmButton: 'Talk-Chat starten',
-                  onConfirmAsync: () => bloc.createDirectChat(username),
-                ).asDialog(context);
+                openOrCreateDirectChat(
+                  context,
+                  actorId: username,
+                  actorDisplayName: username,
+                );
               });
             },
             child: const Icon(Icons.add_comment_outlined),