Remove role management from AuthHex; update documentation and user handling to reflect ERP ownership of roles.

Repos/RoleManageRepository.cs

@@ -1,43 +0,0 @@
-using AuthHex.Interfaces;
-using AuthHex.Models;
-using Microsoft.EntityFrameworkCore;
-
-namespace AuthHex.Repos
-{
-    public class RoleManageRepository : IRoleManageRepository
-    {
-        private readonly AppDBContext _dbContext;
-
-        public RoleManageRepository(AppDBContext dbContext)
-        {
-            _dbContext = dbContext;
-        }
-
-        public Task<Role> AddRoleAsync(Role role, CancellationToken ct = default)
-        {
-            _dbContext.Roles.Add(role);
-            return Task.FromResult(role);
-        }
-
-        public async Task<Role?> GetRoleByIdAsync(Guid roleId, CancellationToken ct = default)
-        {
-            return await _dbContext.Roles.FirstOrDefaultAsync(r => r.RoleId == roleId, ct);
-        }
-
-        public async Task<List<Role>> ListRolesAsync(CancellationToken ct = default)
-        {
-            return await _dbContext.Roles.OrderBy(r => r.Code).ToListAsync(ct);
-        }
-
-        public async Task<bool> RoleInUseAsync(Guid roleId, CancellationToken ct = default)
-        {
-            return await _dbContext.Users.AnyAsync(u => u.RoleId == roleId, ct);
-        }
-
-        public Task DeleteRoleAsync(Role role, CancellationToken ct = default)
-        {
-            _dbContext.Roles.Remove(role);
-            return Task.CompletedTask;
-        }
-    }
-}

Repos/UserManageRepository.cs

@@ -70,7 +70,6 @@ namespace AuthHex.Repos
         public async Task<User?> GetUserByIdAsync(Guid userId, CancellationToken ct = default)
         {
             return await _dbContext.Users
-                .Include(u => u.Role)
                 .Include(u => u.UserType)
                 .FirstOrDefaultAsync(u => u.Id == userId, ct);
         }