feat(mobile-next): 工号登录与目录薄适配，并完成登录/会话/聊天/通讯录第一批界面

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

mobile-next/lib/routes/app_routes.dart

@@ -9,6 +9,7 @@ abstract class AppRoutes {
   static const myQrcode = '/my_qrcode';
   static const chatSetup = '/chat_setup';
   static const favoriteManage = '/favorite_manage';
+  static const addColleague = '/add_colleague';
   static const addContactsMethod = '/add_contacts_method';
   static const addContactsBySearch = '/add_contacts_by_search';
   static const userProfilePanel = '/user_profile_panel';