feat: harden auth ops and deployment baseline

TaxBaik.Domain/Entities/Inquiry.cs

@@ -1,7 +1,5 @@
 namespace TaxBaik.Domain.Entities;
 
-using TaxBaik.Domain.Enums;
-
 public class Inquiry
 {
     public int Id { get; set; }

TaxBaik.Domain/Enums/InquiryStatus.cs

@@ -2,8 +2,7 @@ namespace TaxBaik.Domain.Enums;
 
 public enum InquiryStatus
 {
-    New = 0,           // 새로운 문의
-    Contacted = 1,     // 연락 완료
-    Contracted = 2,    // 계약 체결
-    Closed = 3         // 종료
+    New = 0,
+    Contacted = 1,
+    Completed = 2
 }

TaxBaik.Domain/Interfaces/IAdminUserRepository.cs

@@ -5,4 +5,6 @@ public interface IAdminUserRepository
     Task<Entities.AdminUser?> GetByUsernameAsync(string username);
     Task<Entities.AdminUser?> GetByIdAsync(int id);
     Task CreateAsync(Entities.AdminUser user);
+    Task UpdatePasswordHashAsync(int id, string passwordHash);
+    Task UpdateLastLoginAtAsync(int id);
 }