fix: 修复TypeScript编译警告

- 移除未使用的变量引用
- 修复路由守卫参数命名
- 清理未使用的导入

frontend/src/App.vue

@@ -79,7 +79,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { computed } from 'vue'
 import { useRoute } from 'vue-router'
 import {
   House,

frontend/src/router/index.ts

@@ -51,7 +51,7 @@ const router = createRouter({
 })
 
 // 路由守卫 - 设置页面标题
-router.beforeEach((to, from, next) => {
+router.beforeEach((to, _from, next) => {
   if (to.meta.title) {
     document.title = `${to.meta.title} - WeCom Middleware`
   }

frontend/src/views/Dashboard.vue

@@ -142,7 +142,7 @@ import {
   DataLine,
   Setting
 } from '@element-plus/icons-vue'
-import { ElMessage } from 'element-plus'
+
 
 const router = useRouter()
 

frontend/src/views/openclaw/Pairing.vue

@@ -264,10 +264,10 @@ const getStatusText = (status: string) => {
   return texts[status] || status
 }
 
-const showPairingDetail = (pairing: PairingRequest) => {
+// const showPairingDetail = (pairing: PairingRequest) => {
-  currentPairing.value = pairing
+//   currentPairing.value = pairing
-  detailDialogVisible.value = true
+//   detailDialogVisible.value = true
-}
+// }
 
 const approvePairing = (pairing: PairingRequest) => {
   currentPairing.value = pairing