feat: include inquiry status changer in alerts

TaxBaik.Application/Services/IInquiryNotificationService.cs

@@ -3,5 +3,5 @@ namespace TaxBaik.Application.Services;
 public interface IInquiryNotificationService
 {
     Task NotifyCreatedAsync(int inquiryId, string name, string phone, string serviceType, string message, string? ipAddress, DateTime createdAtUtc, CancellationToken ct = default);
-    Task NotifyStatusChangedAsync(int inquiryId, string name, string phone, string serviceType, string previousStatus, string newStatus, CancellationToken ct = default);
+    Task NotifyStatusChangedAsync(int inquiryId, string name, string phone, string serviceType, string previousStatus, string newStatus, string? changedBy = null, CancellationToken ct = default);
 }

TaxBaik.Application/Services/InquiryService.cs

@@ -46,7 +46,7 @@ public class InquiryService(IInquiryRepository repository, IInquiryNotificationS
         int page, int pageSize, string? status = null, CancellationToken ct = default) =>
         await repository.GetPagedAsync(NormalizePage(page), NormalizePageSize(pageSize), NormalizeOptionalStatus(status), ct);
 
-    public async Task UpdateStatusAsync(int id, string status, CancellationToken ct = default)
+    public async Task UpdateStatusAsync(int id, string status, string? changedBy = null, CancellationToken ct = default)
     {
         if (!InquiryStatusMapper.TryParse(status, out var parsed))
             throw new ValidationException("지원하지 않는 문의 상태입니다.");
@@ -59,7 +59,7 @@ public class InquiryService(IInquiryRepository repository, IInquiryNotificationS
         var newStatus = InquiryStatusMapper.ToStorageValue(parsed);
 
         await repository.UpdateStatusAsync(id, newStatus, ct);
-        await notificationService.NotifyStatusChangedAsync(id, inquiry.Name, inquiry.Phone, inquiry.ServiceType, previousStatus, newStatus, ct);
+        await notificationService.NotifyStatusChangedAsync(id, inquiry.Name, inquiry.Phone, inquiry.ServiceType, previousStatus, newStatus, changedBy, ct);
     }
 
     private static int NormalizePage(int page) => Math.Max(1, page);

TaxBaik.Application/Services/NoopInquiryNotificationService.cs

@@ -5,6 +5,6 @@ public sealed class NoopInquiryNotificationService : IInquiryNotificationService
     public Task NotifyCreatedAsync(int inquiryId, string name, string phone, string serviceType, string message, string? ipAddress, DateTime createdAtUtc, CancellationToken ct = default)
         => Task.CompletedTask;
 
-    public Task NotifyStatusChangedAsync(int inquiryId, string name, string phone, string serviceType, string previousStatus, string newStatus, CancellationToken ct = default)
+    public Task NotifyStatusChangedAsync(int inquiryId, string name, string phone, string serviceType, string previousStatus, string newStatus, string? changedBy = null, CancellationToken ct = default)
         => Task.CompletedTask;
 }