Index: ChapterX.Infrastructure/Repositories/NotificationRepository.cs
===================================================================
--- ChapterX.Infrastructure/Repositories/NotificationRepository.cs	(revision 877c13c3dd0934c1d31da7988d0d2c2c5925ed55)
+++ ChapterX.Infrastructure/Repositories/NotificationRepository.cs	(revision 7fbb91c66b46c3063caa934a83d6d0681406c83c)
@@ -15,7 +15,8 @@
         // This method returns all notifications; adjust filter when a User relation is added.
         public async Task<IEnumerable<Notification>> GetByUserIdAsync(int userId, CancellationToken cancellationToken = default)
-        {
-            return await _dbSet.ToListAsync(cancellationToken);
-        }
+            => await _dbSet
+                .Where(n => n.RecipientUserId == userId)
+                .OrderByDescending(n => n.CreatedAt)
+                .ToListAsync(cancellationToken);
     }
 }