diff --git a/TaxBaik.Web/Components/Admin/App.razor b/TaxBaik.Web/Components/Admin/App.razor
index cd8ce64..2598acc 100644
--- a/TaxBaik.Web/Components/Admin/App.razor
+++ b/TaxBaik.Web/Components/Admin/App.razor
@@ -37,7 +37,7 @@
         </div>
     </div>
     <MudThemeProvider @bind-IsDarkMode="isDarkMode" Theme="mudTheme" />
-    <Routes @rendermode="new InteractiveServerRenderMode(prerender: true)" />
+    <Routes @rendermode="new InteractiveWebAssemblyRenderMode(prerender: true)" />
     <script src="/taxbaik/_content/MudBlazor/MudBlazor.min.js"></script>
     <script src="/taxbaik/js/admin-session.js"></script>
     <script src="/taxbaik/_framework/blazor.web.js"></script>
diff --git a/TaxBaik.Web/Program.cs b/TaxBaik.Web/Program.cs
index 7330d89..25c6615 100644
--- a/TaxBaik.Web/Program.cs
+++ b/TaxBaik.Web/Program.cs
@@ -71,10 +71,11 @@ builder.Services.AddRateLimiter(options =>
     });
 });
 
-// Razor Pages + Blazor Server 통합
+// Razor Pages + Blazor Server/WebAssembly 통합
 builder.Services.AddRazorPages();
 builder.Services.AddRazorComponents()
-    .AddInteractiveServerComponents();
+    .AddInteractiveServerComponents()
+    .AddInteractiveWebAssemblyComponents();
 builder.Services.Configure<Microsoft.AspNetCore.Components.Server.CircuitOptions>(options =>
 {
     options.DetailedErrors = true;
@@ -390,6 +391,8 @@ app.MapStaticAssets();
 // 인증은 Blazor AuthorizeRouteView → RedirectToLogin 에서 처리한다.
 app.MapRazorComponents<TaxBaik.Web.Components.Admin.App>()
    .AddInteractiveServerRenderMode()
+   .AddInteractiveWebAssemblyRenderMode()
+   .AddAdditionalAssemblies(typeof(TaxBaik.WasmClient._Imports).Assembly)
    .AllowAnonymous();
 
 // 애플리케이션 시작/종료 로깅