feat: 社保AI建议、合同附件多文件上传预览、删除合同、扩展上传格式

frontend/src/App.tsx

@@ -8,7 +8,6 @@ import MobileTabBar from './components/layout/MobileTabBar'
 import PortalLayout from './components/layout/PortalLayout'
 import PageContainer from './components/layout/PageContainer'
 import { SkeletonPage } from './components/ui/Skeleton'
-import OnboardingGuide from './components/OnboardingGuide'
 
 const Login = lazy(() => import('./pages/auth/Login'))
 const Register = lazy(() => import('./pages/auth/Register'))
@@ -62,7 +61,6 @@ function AdminLayout({ children }: { children: React.ReactNode }) {
           </PageContainer>
         </main>
         <MobileTabBar />
-        <OnboardingGuide />
       </div>
     </div>
   )