perf(admin): lazy routes and nav badges

admin-frontend/src/pages/FeedbacksPage.vue

@@ -1,9 +1,11 @@
 <script setup>
-import { onMounted, ref } from 'vue'
+import { inject, onMounted, ref } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
 
 import { closeFeedback, deleteFeedback, fetchFeedbacks, replyFeedback } from '../api/feedbacks'
 
+const refreshNavBadges = inject('refreshNavBadges', null)
+
 const loading = ref(false)
 const statusFilter = ref('')
 const stats = ref({ total: 0, pending: 0, replied: 0, closed: 0 })
@@ -35,6 +37,8 @@ async function load() {
   } finally {
     loading.value = false
   }
+
+  await refreshNavBadges?.({ pendingFeedbacks: stats.value.pending || 0 })
 }
 
 async function onReply(row) {
@@ -253,4 +257,3 @@ onMounted(load)
   gap: 8px;
 }
 </style>
-