Index: ChapterX.Domain/Repositories/IChapterRepository.cs
===================================================================
--- ChapterX.Domain/Repositories/IChapterRepository.cs	(revision 7fbb91c66b46c3063caa934a83d6d0681406c83c)
+++ ChapterX.Domain/Repositories/IChapterRepository.cs	(revision b373fea3e2c9d404606002f8e7ba265a82d68187)
@@ -6,4 +6,5 @@
     {
         Task<IEnumerable<Chapter>> GetByStoryIdAsync(int storyId, CancellationToken cancellationToken = default);
+        Task<Chapter?> GetByIdWithStoryAsync(int id, CancellationToken cancellationToken = default);
     }
 }
Index: ChapterX.Domain/Shared/PasswordHasher.cs
===================================================================
--- ChapterX.Domain/Shared/PasswordHasher.cs	(revision 7fbb91c66b46c3063caa934a83d6d0681406c83c)
+++ 	(revision )
@@ -1,46 +1,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace ChapterX.Domain.Shared
-{
-    public class PasswordHasher
-    {
-        public static string HashPassword(string password)
-        {
-            byte[] salt;
-            new RNGCryptoServiceProvider().GetBytes(salt = new byte[16]);
-
-            var pbkdf2 = new Rfc2898DeriveBytes(password, salt, 10000, HashAlgorithmName.SHA256);
-            byte[] hash = pbkdf2.GetBytes(20);
-
-            byte[] hashBytes = new byte[36];
-            Array.Copy(salt, 0, hashBytes, 0, 16);
-            Array.Copy(hash, 0, hashBytes, 16, 20);
-
-            return Convert.ToBase64String(hashBytes);
-        }
-
-        public static bool VerifyPassword(string password, string storedHash)
-        {
-            byte[] hashBytes = Convert.FromBase64String(storedHash);
-            byte[] salt = new byte[16];
-            Array.Copy(hashBytes, 0, salt, 0, 16);
-
-            var pbkdf2 = new Rfc2898DeriveBytes(password, salt, 10000, HashAlgorithmName.SHA256);
-            byte[] hash = pbkdf2.GetBytes(20);
-
-            for (int i = 0; i < 20; i++)
-            {
-                if (hashBytes[i + 16] != hash[i])
-                {
-                    return false;
-                }
-            }
-            return true;
-        }
-    }
-}