feat(search): 添加页面加载登录检查，未登录时弹出登录提示

页面加载时使用 usePermission composable 检查用户登录状态，未登录时弹出登录提示并引导跳转

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

@@ -125,7 +125,7 @@
 </template>
 
 <script setup>
-import { ref, computed } from 'vue'
+import { ref, computed, onMounted } from 'vue'
 import Taro from '@tarojs/taro'
 import { useGo } from '@/hooks/useGo'
 import LoadMoreList from '@/components/list/LoadMoreList'
@@ -139,12 +139,27 @@ import { searchAPI } from '@/api/search'
 import { mockSearchAPI } from '@/utils/mockData'
 import { USE_MOCK_DATA } from '@/config/app'
 import { usePlanSubmit } from '@/composables/usePlanSubmit'
+import { usePermission } from '@/composables/usePermission'
 import { usePlanPermission } from '@/composables/usePlanPermission'
 
 // ⚠️ MOCK 数据开关 - 统一从 @/config/app 导入
 
 const go = useGo()
 
+// 初始化权限检查
+const { requireLogin } = usePermission()
+
+/**
+ * 页面加载时检查登录状态
+ * @description 如果用户未登录，弹出登录提示并跳转到登录页
+ */
+onMounted(() => {
+  console.log('[Search Page] 页面加载，检查登录状态')
+  requireLogin(() => {
+    console.log('[Search Page] 用户已登录，可以正常使用搜索功能')
+  })
+})
+
 // 获取权限检查方法
 const { checkPlanPermission } = usePlanPermission()