Harden admin telemetry and deployment safeguards

TaxBaik.Web/Components/Admin/Pages/Clients/ClientList.razor

@@ -39,10 +39,9 @@
     </MudGrid>
 </MudPaper>
 
-<MudPaper Class="admin-surface" Elevation="0">
+<AdminDataPanel Loading="@(clients is null)" SkeletonContent="@ClientListSkeleton">
     @if (clients is null)
     {
-        <MudProgressLinear Indeterminate="true" />
     }
     else if (!clients.Any())
     {
@@ -116,7 +115,7 @@
         }
         <MudText Typo="Typo.caption" Class="pa-2 text-muted">총 @(totalCount)명</MudText>
     }
-</MudPaper>
+</AdminDataPanel>
 
 @code {
     [CascadingParameter]
@@ -130,6 +129,14 @@
     private int totalPages;
     private const int PageSize = 20;
 
+    private RenderFragment ClientListSkeleton => builder =>
+    {
+        builder.OpenComponent<AdminSkeletonRows>(0);
+        builder.AddAttribute(1, "Rows", 5);
+        builder.AddAttribute(2, "Columns", 5);
+        builder.CloseComponent();
+    };
+
     protected override async Task OnInitializedAsync()
     {
         if (AuthStateTask != null)