feat: harden auth ops and deployment baseline

TaxBaik.Application/Services/InquiryService.cs

@@ -2,6 +2,7 @@ namespace TaxBaik.Application.Services;
 
 using System.Text.RegularExpressions;
 using TaxBaik.Domain.Entities;
+using TaxBaik.Domain.Enums;
 using TaxBaik.Domain.Interfaces;
 
 public class InquiryService(IInquiryRepository repository)
@@ -10,7 +11,7 @@ public class InquiryService(IInquiryRepository repository)
 
     public async Task<int> SubmitAsync(
         string name, string phone, string serviceType, string message,
-        string? ipAddress = null, CancellationToken ct = default)
+        string? email = null, string? ipAddress = null, CancellationToken ct = default)
     {
         if (string.IsNullOrWhiteSpace(name))
             throw new ValidationException("이름을 입력하세요.");
@@ -25,10 +26,11 @@ public class InquiryService(IInquiryRepository repository)
         {
             Name = name.Trim(),
             Phone = phone.Trim(),
+            Email = string.IsNullOrWhiteSpace(email) ? null : email.Trim(),
             ServiceType = serviceType ?? "기타",
             Message = message.Trim(),
             IpAddress = ipAddress,
-            Status = "new",
+            Status = InquiryStatusMapper.ToStorageValue(InquiryStatus.New),
             CreatedAt = DateTime.UtcNow
         };
 
@@ -40,10 +42,30 @@ public class InquiryService(IInquiryRepository repository)
 
     public async Task<(IEnumerable<Inquiry>, int)> GetPagedAsync(
         int page, int pageSize, string? status = null, CancellationToken ct = default) =>
-        await repository.GetPagedAsync(page, pageSize, status, ct);
+        await repository.GetPagedAsync(NormalizePage(page), NormalizePageSize(pageSize), NormalizeOptionalStatus(status), ct);
 
-    public async Task UpdateStatusAsync(int id, string status, CancellationToken ct = default) =>
-        await repository.UpdateStatusAsync(id, status, ct);
+    public async Task UpdateStatusAsync(int id, string status, CancellationToken ct = default)
+    {
+        if (!InquiryStatusMapper.TryParse(status, out var parsed))
+            throw new ValidationException("지원하지 않는 문의 상태입니다.");
+
+        await repository.UpdateStatusAsync(id, InquiryStatusMapper.ToStorageValue(parsed), ct);
+    }
+
+    private static int NormalizePage(int page) => Math.Max(1, page);
+
+    private static int NormalizePageSize(int pageSize) => Math.Clamp(pageSize, 1, 100);
+
+    private static string? NormalizeOptionalStatus(string? status)
+    {
+        if (string.IsNullOrWhiteSpace(status))
+            return null;
+
+        if (!InquiryStatusMapper.TryParse(status, out var parsed))
+            throw new ValidationException("지원하지 않는 문의 상태입니다.");
+
+        return InquiryStatusMapper.ToStorageValue(parsed);
+    }
 }
 
 public class ValidationException : Exception