feat(sbp_payments): added banks deep link handling to chat screen

lib/features/chat/presentation/pages/chat_screen.dart

@@ -36,10 +36,11 @@ import 'package:intl/intl.dart';
 import 'package:visibility_detector/visibility_detector.dart';
 
 class ChatScreen extends StatefulWidget {
-  final String uuid;
+  final String? uuid;
+  final String? orderId;
   final bool? sendInitialMessage;
 
-  const ChatScreen({required this.uuid, super.key, required this.sendInitialMessage});
+  const ChatScreen({this.uuid, this.orderId, super.key, required this.sendInitialMessage});
 
   @override
   State<ChatScreen> createState() => _ChatScreenState();
@@ -55,6 +56,11 @@ class _ChatScreenState extends State<ChatScreen> {
   late AppLifecycleListener _listener;
   List<File> pickedFiles = [];
 
+  /// Conversation uuid после успешного init (в т.ч. после resolve по orderId).
+  String? _effectiveUuid;
+
+  String? get _conversationUuid => _effectiveUuid ?? widget.uuid;
+
   void _onHide() {
     chatRoomCubit.cancelTimer();
   }
@@ -64,26 +70,42 @@ class _ChatScreenState extends State<ChatScreen> {
     chatRoomCubit.setTimer();
   }
 
+  Future<void> _initChatRoom() async {
+    final uuid = await chatRoomCubit.initChat(
+      _conversationUuid,
+      orderId: _effectiveUuid == null ? widget.orderId : null,
+      sendInitialMessage: widget.sendInitialMessage ?? false,
+    );
+    print('uuid: $uuid');
+    if (uuid != null && mounted) {
+      setState(() => _effectiveUuid = uuid);
+    }
+  }
+
   @override
   void didUpdateWidget(ChatScreen oldWidget) {
     super.didUpdateWidget(oldWidget);
-    if (oldWidget.uuid != widget.uuid) {
-      chatRoomCubit.initChat(widget.uuid, sendInitialMessage: widget.sendInitialMessage ?? false);
+    if (oldWidget.uuid != widget.uuid || oldWidget.orderId != widget.orderId) {
+      _effectiveUuid = widget.uuid;
+      _initChatRoom();
     }
   }
 
   @override
   void initState() {
     super.initState();
+    _effectiveUuid = widget.uuid;
     scrollController.addListener(_onScroll);
-    chatRoomCubit.initChat(widget.uuid, sendInitialMessage: widget.sendInitialMessage ?? false);
+    _initChatRoom();
     chatRoomCubit.setTimer();
     _listener = AppLifecycleListener(onHide: _onHide, onResume: _onResume);
   }
 
   void _onScroll() {
+    final uuid = _conversationUuid;
+    if (uuid == null) return;
     if (scrollController.offset >= scrollController.position.maxScrollExtent && !scrollController.position.outOfRange) {
-      chatRoomCubit.loadNextPage(widget.uuid);
+      chatRoomCubit.loadNextPage(uuid);
     }
   }
 
@@ -117,7 +139,7 @@ class _ChatScreenState extends State<ChatScreen> {
                   },
                 ),
               ),
-              body: DataErrorWidget(onReload: () => chatRoomCubit.initChat(widget.uuid)),
+              body: DataErrorWidget(onReload: _initChatRoom),
             );
           } else {
             return Scaffold(
@@ -242,7 +264,7 @@ class _ChatScreenState extends State<ChatScreen> {
                 GoRouter.of(context).pushNamed(
                   VideoCallScreen.name,
                   extra: <String, dynamic>{
-                    'conversationUuid': widget.uuid,
+                    'conversationUuid': _conversationUuid,
                     'counterpartName': state.chatRoom.users.receiver.name,
                     'localParticipantName': state.chatRoom.users.sender.name,
                   },