Fix admin WASM bootstrap and dashboard render

scripts/route_lint.mjs

@@ -15,8 +15,8 @@ const files = [
 const required = [
   {
     file: 'src/TaxBaik.Web/Program.cs',
-    pattern: 'MapGroup("/taxbaik/admin")',
-    message: '관리자 Razor Components는 /taxbaik/admin 그룹에만 매핑되어야 합니다.'
+    pattern: 'app.MapFallbackToFile("admin/{*path:nonfile}", "admin/index.html");',
+    message: '관리자 SPA 폴백은 admin/index.html로만 연결되어야 합니다.'
   },
   {
     file: 'tests/e2e/route-isolation.spec.ts',
@@ -48,12 +48,18 @@ const adminFiles = files
 for (const file of adminFiles) {
   const fullPath = path.join(root, file);
   const text = fs.readFileSync(fullPath, 'utf8');
-  if (file === 'src/TaxBaik.Web/Program.cs') continue;
 
   if (text.includes('ToBaseRelativePath(Navigation.Uri)')) {
     console.error(`[route-lint] FAIL ${file}: unsafe ToBaseRelativePath(Navigation.Uri) usage detected.`);
     failed = true;
   }
+
+  if (file === 'src/TaxBaik.Web.Client/Components/Admin/App.razor') {
+    if (text.includes('<html') || text.includes('<body') || text.includes('blazor.webassembly.js')) {
+      console.error('[route-lint] FAIL App.razor: host HTML or Blazor bootstrap script must not live in the root component.');
+      failed = true;
+    }
+  }
 }
 
 if (failed) process.exit(1);