together_mobile/lib/router/chat_router.dart

import 'package:go_router/go_router.dart';
import 'package:together_mobile/router/router_key.dart';
import 'package:together_mobile/screens/chat/chat_screen.dart';
import 'package:together_mobile/screens/message/message_screen.dart';

final chatRouter = GoRoute(
  path: '/chat',
  name: 'Chat',
  builder: (context, state) => const ChatScreen(),
  routes: [
    GoRoute(
      path: 'message',
      name: 'Message',
      parentNavigatorKey: rootNavigatorKey,
      builder: (context, state) => MessageScreen(contactId: state.queryParameters['contactId']!,),
    ),
  ],
);