feat(shop): 支持Dashboard订单总数点击跳转指定tab

- 修改Dashboard中订单总数和总营业额跳转链接，默认携带tab参数
- 订单总数点击跳转至/shop/shopOrder?tab=all页面
- 待发货订单跳转至/shop/shopOrder?tab=undelivered，退款申请跳转至?tab=refunded
- shopOrder页面根据路由查询参数初始化激活tab，确保页面首次加载可正确显示对应订单列表
- 为无效或缺省tab参数设置默认值undelivered
- 简化订单页面tab切换逻辑复用公共状态映射函数

src/views/shop/shopOrder/index.vue

@@ -374,6 +374,7 @@
 
 <script lang="ts" setup>
   import { createVNode, ref } from 'vue';
+  import { useRoute } from 'vue-router';
   import type { EleProTable } from 'ele-admin-pro';
   import type {
     DatasourceFunction,
@@ -428,8 +429,13 @@
   const showDelivery = ref(false);
   // 加载状态
   const loading = ref(true);
-  // 激活的标签
-  const activeKey = ref<string>('undelivered');
+  // 激活的标签（支持从路由参数初始化，如 /shop/shopOrder?tab=all）
+  const route = useRoute();
+  const validTabs = ['all', 'undelivered', 'unreceived', 'completed', 'refunded', 'cancelled'];
+  const tabFromQuery = route.query.tab as string;
+  const activeKey = ref<string>(
+    validTabs.includes(tabFromQuery) ? tabFromQuery : 'undelivered'
+  );
 
   // ============ 新订单提醒 ============
   const { enabled: notifyEnabled, toggle: onNotifyToggle, testNotify: onTestNotify } = useOrderNotify({