feat: harden auth ops and deployment baseline

TaxBaik.Web/Components/Admin/Pages/Inquiries/InquiryDetail.razor

@@ -1,8 +1,9 @@
 @page "/admin/inquiries/{InquiryId:int}"
-@using TaxBaik.Domain.Interfaces
+@using TaxBaik.Application.Services
 @attribute [Authorize]
-@inject IInquiryRepository InquiryRepository
+@inject InquiryService InquiryService
 @inject NavigationManager Navigation
+@inject ISnackbar Snackbar
 
 <PageTitle>문의 상세</PageTitle>
 
@@ -36,7 +37,7 @@
             </MudItem>
             <MudItem xs="12">
                 <MudText Typo="Typo.subtitle1">상태</MudText>
-                <MudSelect @bind-Value="inquiry.Status" Label="상태 변경">
+                <MudSelect T="string" Value="inquiry.Status" ValueChanged="@((string status) => OnStatusChanged(status))" Label="상태 변경">
                     <MudSelectItem Value="@("new")">신규</MudSelectItem>
                     <MudSelectItem Value="@("contacted")">연락함</MudSelectItem>
                     <MudSelectItem Value="@("completed")">완료</MudSelectItem>
@@ -54,11 +55,27 @@ else
     [Parameter]
     public int InquiryId { get; set; }
 
-    private Domain.Entities.Inquiry inquiry;
+    private Domain.Entities.Inquiry? inquiry;
 
     protected override async Task OnInitializedAsync()
     {
-        var (inquiries, _) = await InquiryRepository.GetPagedAsync(1, 1000);
-        inquiry = inquiries.FirstOrDefault(x => x.Id == InquiryId);
+        inquiry = await InquiryService.GetByIdAsync(InquiryId);
+    }
+
+    private async Task OnStatusChanged(string status)
+    {
+        if (inquiry == null)
+            return;
+
+        try
+        {
+            await InquiryService.UpdateStatusAsync(inquiry.Id, status);
+            inquiry.Status = status;
+            Snackbar.Add("상태가 변경되었습니다.", Severity.Success);
+        }
+        catch (ValidationException ex)
+        {
+            Snackbar.Add(ex.Message, Severity.Error);
+        }
     }
 }