3단계 권한 모델 확장, keto 권한 정책

adminfront/src/lib/apiClient.ts

@@ -17,6 +17,12 @@ apiClient.interceptors.request.use((config) => {
     config.headers["X-Tenant-ID"] = tenantId;
   }
 
+  // [Development Only] Inject Mock Role from RoleSwitcher
+  const mockRole = window.localStorage.getItem("X-Mock-Role");
+  if (mockRole) {
+    config.headers["X-Test-Role"] = mockRole;
+  }
+
   return config;
 });