fix: add WASM boot timeout to forcefully hide loading overlay

PROBLEM: 대시보드 페이지에서 로딩 오버레이가 3분 이상 표시됨
- AdminShell은 렌더됨 (일부 WASM 로드)
- 하지만 hideLoading() 호출 지연 또는 미호출

SOLUTION: App.razor에 30초 타임아웃 추가
- WASM 부팅이 30초 초과하면 강제로 hideLoading() 호출
- 사용자 경험 개선 (최대 30초 로딩)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/TaxBaik.Web/Components/Admin/App.razor

@@ -42,6 +42,18 @@
         if (!document.documentElement.classList.contains('admin-login-route')) {
             var loadingOverlay = document.getElementById('blazor-loading');
             if (loadingOverlay) loadingOverlay.classList.add('show');
+
+            // WASM 부팅 타임아웃 (30초): 강제로 로딩 숨김
+            window._wasmBootTimeout = setTimeout(function() {
+                if (loadingOverlay && loadingOverlay.classList.contains('show')) {
+                    console.warn('[Admin] WASM boot timeout - forcing hideLoading');
+                    if (window.taxbaikAdminSession && window.taxbaikAdminSession.hideLoading) {
+                        window.taxbaikAdminSession.hideLoading();
+                    } else {
+                        loadingOverlay.classList.remove('show');
+                    }
+                }
+            }, 30000);  // 30초 후 강제 숨김
         }
     </script>
     <MudThemeProvider @bind-IsDarkMode="isDarkMode" Theme="mudTheme" />

src/TaxBaik.Web/Components/Admin/Pages/Clients/ClientDetail.razor

@@ -2,7 +2,7 @@
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
 @attribute [Authorize]
 @using TaxBaik.Web.Services
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @using TaxBaik.Web.Components.Admin.Shared
 @inject IClientBrowserClient ClientClient
 @inject IConsultingActivityBrowserClient ConsultingClient

src/TaxBaik.Web/Components/Admin/Pages/CommonCodes.razor

@@ -1,6 +1,6 @@
 @page "/admin/common-codes"
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @using TaxBaik.Domain.Entities
 @attribute [Authorize]
 @inject ICommonCodeBrowserClient CommonCodeClient

src/TaxBaik.Web/Components/Admin/Pages/ConsultingActivities.razor

@@ -1,6 +1,6 @@
 @page "/admin/consulting-activities"
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @using TaxBaik.Web.Components.Admin.Shared
 @inject IConsultingActivityBrowserClient ActivityClient
 @inject IClientBrowserClient ClientClient

src/TaxBaik.Web/Components/Admin/Pages/Contracts.razor

@@ -1,6 +1,6 @@
 @page "/admin/contracts"
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @using TaxBaik.Web.Components.Admin.Shared
 @inject IContractBrowserClient ContractClient
 @inject IClientBrowserClient ClientClient

src/TaxBaik.Web/Components/Admin/Pages/Dashboard.razor

@@ -3,6 +3,7 @@
 @attribute [Authorize]
 @using TaxBaik.Web.Services
 @using TaxBaik.Web.Components.Admin.Shared
+@using TaxBaik.Application.Services
 @inject IAdminDashboardClient DashboardClient
 @inject NavigationManager Nav
 

src/TaxBaik.Web/Components/Admin/Pages/Login.razor

@@ -1,5 +1,5 @@
 @page "/admin/login"
-@layout TaxBaik.WasmClient.Components.Admin.Layout.BlankLayout
+@layout TaxBaik.Web.Components.Admin.Layout.BlankLayout
 @attribute [AllowAnonymous]
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: true))
 <PageTitle>로그인</PageTitle>

src/TaxBaik.Web/Components/Admin/Pages/RevenueTrackings.razor

@@ -1,6 +1,6 @@
 @page "/admin/revenue-trackings"
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @using TaxBaik.Web.Components.Admin.Shared
 @inject IRevenueTrackingBrowserClient RevenueClient
 @inject IClientBrowserClient ClientClient

src/TaxBaik.Web/Components/Admin/Pages/TaxFilingSchedules.razor

@@ -1,6 +1,6 @@
 @page "/admin/tax-filing-schedules"
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @using TaxBaik.Domain.Entities
 @using TaxBaik.Web.Components.Admin.Shared
 @inject ITaxFilingScheduleBrowserClient TaxFilingClient

src/TaxBaik.Web/Components/Admin/Pages/TaxProfiles.razor

@@ -1,6 +1,6 @@
 @page "/admin/tax-profiles"
 @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @using TaxBaik.Web.Components.Admin.Shared
 @inject ITaxProfileBrowserClient TaxProfileClient
 @inject IClientBrowserClient ClientClient

src/TaxBaik.Web/Components/Admin/Services/AdminClients/ICommonCodeBrowserClient.cs

@@ -1,4 +1,4 @@
-namespace TaxBaik.Web.Services.AdminClients;
+namespace TaxBaik.Web.Components.Admin.Services.AdminClients;
 
 using System.Collections.Generic;
 using System.Net.Http.Json;

src/TaxBaik.Web/Components/Admin/Services/AdminClients/IConsultingActivityBrowserClient.cs

@@ -1,4 +1,4 @@
-namespace TaxBaik.Web.Services.AdminClients;
+namespace TaxBaik.Web.Components.Admin.Services.AdminClients;
 
 using System.Text.Json;
 using TaxBaik.Domain.Entities;

src/TaxBaik.Web/Components/Admin/Services/AdminClients/IContractBrowserClient.cs

@@ -1,4 +1,4 @@
-namespace TaxBaik.Web.Services.AdminClients;
+namespace TaxBaik.Web.Components.Admin.Services.AdminClients;
 
 using System.Text.Json;
 using TaxBaik.Domain.Entities;

src/TaxBaik.Web/Components/Admin/Services/AdminClients/IRevenueTrackingBrowserClient.cs

@@ -1,4 +1,4 @@
-namespace TaxBaik.Web.Services.AdminClients;
+namespace TaxBaik.Web.Components.Admin.Services.AdminClients;
 
 using System.Text.Json;
 using TaxBaik.Domain.Entities;

src/TaxBaik.Web/Components/Admin/Services/AdminClients/ITaxFilingScheduleBrowserClient.cs

@@ -1,4 +1,4 @@
-namespace TaxBaik.Web.Services.AdminClients;
+namespace TaxBaik.Web.Components.Admin.Services.AdminClients;
 
 using System.Text.Json;
 using TaxBaik.Domain.Entities;

src/TaxBaik.Web/Components/Admin/Services/AdminClients/ITaxProfileBrowserClient.cs

@@ -1,4 +1,4 @@
-namespace TaxBaik.Web.Services.AdminClients;
+namespace TaxBaik.Web.Components.Admin.Services.AdminClients;
 
 using System.Text.Json;
 using TaxBaik.Domain.Entities;

src/TaxBaik.Web/Components/Admin/Shared/CommonCodeSelect.razor

@@ -1,5 +1,5 @@
 @using TaxBaik.Domain.Entities
-@using TaxBaik.Web.Services.AdminClients
+@using TaxBaik.Web.Components.Admin.Services.AdminClients
 @inject ICommonCodeBrowserClient CommonCodeClient
 
 <MudSelect T="string"

src/TaxBaik.Web/Program.cs

@@ -12,13 +12,14 @@ using Microsoft.AspNetCore.ResponseCompression;
 using Microsoft.IdentityModel.Tokens;
 using MudBlazor.Services;
 using Serilog;
+using FastEndpoints;
 using System.Threading.RateLimiting;
 using TaxBaik.Application;
 using TaxBaik.Application.Services;
 using TaxBaik.Application.Utils;
 using TaxBaik.Infrastructure;
 using TaxBaik.Web.Services;
-using TaxBaik.Web.Services.AdminClients;
+using TaxBaik.Web.Components.Admin.Services.AdminClients;
 
 var builder = WebApplication.CreateBuilder(args);
 var isProduction = builder.Environment.IsProduction();