Index: iknow-api/Services/Implementations/UserService.cs
===================================================================
--- iknow-api/Services/Implementations/UserService.cs	(revision 9a57e89c1f628a1c5aee327d90612e10c18679a2)
+++ iknow-api/Services/Implementations/UserService.cs	(revision 5b42c8d2d07de69ce14d68ac140c0400a59f97ad)
@@ -1,33 +1,33 @@
-using Microsoft.EntityFrameworkCore;
-using iknow_api.Core.Models;
-using iknow_api.Repository.Interfaces;
-// ...existing code...
+//using Microsoft.EntityFrameworkCore;
+//using iknow_api.Core.Models;
+//using iknow_api.Repository.Interfaces;
+//// ...existing code...
 
-namespace iknow_api.Core.Services
-{
-    public class UserService
-    {
-        private readonly IUserRepository _users;
+//namespace iknow_api.Core.Services
+//{
+//    public class UserService
+//    {
+//        private readonly IUserRepository _users;
 
-        public UserService(IUserRepository users)
-        {
-            _users = users;
-        }
+//        public UserService(IUserRepository users)
+//        {
+//            _users = users;
+//        }
 
-        public async Task<User> AddUserAsync(User user, CancellationToken cancellationToken = default)
-        {
-            if (user == null) throw new ArgumentNullException(nameof(user));
+//        public async Task<User> AddUserAsync(User user, CancellationToken cancellationToken = default)
+//        {
+//            if (user == null) throw new ArgumentNullException(nameof(user));
 
-            if (!string.IsNullOrWhiteSpace(user.Email))
-            {
-                user.Email = user.Email.Trim();
+//            if (!string.IsNullOrWhiteSpace(user.Email))
+//            {
+//                user.Email = user.Email.Trim();
 
-                var exists = await _users.EmailExistsAsync(user.Email, cancellationToken);
-                if (exists)
-                    throw new InvalidOperationException("A user with this email already exists.");
-            }
+//                var exists = await _users.EmailExistsAsync(user.Email, cancellationToken);
+//                if (exists)
+//                    throw new InvalidOperationException("A user with this email already exists.");
+//            }
 
-            return await _users.AddUserAsync(user, cancellationToken);
-        }
-    }
-}
+//            return await _users.AddUserAsync(user, cancellationToken);
+//        }
+//    }
+//}