Index: ChapterX.Domain/Repositories/IReadingListItemsRepository.cs
===================================================================
--- ChapterX.Domain/Repositories/IReadingListItemsRepository.cs	(revision b62cefc14094ca5ac7154f7d48797a1e6c444935)
+++ ChapterX.Domain/Repositories/IReadingListItemsRepository.cs	(revision acf690c1403ecbecd948a46d950278f177f2d408)
@@ -5,4 +5,5 @@
     public interface IReadingListItemsRepository : IRepository<ReadingListItems>
     {
+        Task<bool> ExistsAsync(int listId, int storyId, CancellationToken cancellationToken = default);
     }
 }