refactor!: 升级 @nuxt/ui@3，重构所有页面和组件，调整配置，移除不在需求中的页面

app/app.vue

@@ -4,7 +4,7 @@ import ModalAuthentication from '~/components/ModalAuthentication.vue'
 const toast = useToast()
 const route = useRoute()
 const router = useRouter()
-const modal = useModal()
+const overlay = useOverlay()
 const loginState = useLoginState()
 
 useHead({
@@ -24,10 +24,11 @@ onMounted(() => {
       toast.add({
         title: '登录失效',
         description: '登录已过期，请重新登录',
-        color: 'red',
+        color: 'error',
         icon: 'i-tabler-alert-triangle',
       })
-      modal.open(ModalAuthentication)
+      const modal = overlay.create(ModalAuthentication)
+      modal.open()
     } else if (!loggedIn && !loginState.token) {
       // Prevents redirect from register page
       if (route.path === '/user/register') return
@@ -41,12 +42,10 @@ onMounted(() => {
   <div>
     <NuxtLoadingIndicator />
 
-    <NuxtLayout>
-      <NuxtPage />
-    </NuxtLayout>
-
-    <UModals />
-    <USlideovers />
-    <UNotifications />
+    <UApp>
+      <NuxtLayout>
+        <NuxtPage />
+      </NuxtLayout>
+    </UApp>
   </div>
 </template>