feat(shop): 新增Dashboard待付款订单统计及支持

- Dashboard待处理事项新增“待付款订单”项，使用statusFilter=0查询
- 点击待付款订单跳转至/shop/shopOrder?tab=unpaid页面
- shopOrder页面恢复“待付款”标签页，validTabs列表包含unpaid
- shopOrder页面根据路由query初始化活动标签，支持unpaid选项
- 新增dot-gold样式用于待付款订单高亮显示
- 订单数量接口新增待付款订单数获取及异常处理逻辑
- 调整组件中待处理事项列表，支持待付款订单数据响应式更新

src/views/shop/dashboard/index.vue

@@ -288,14 +288,16 @@ const coreStats = computed(() => [
 ]);
 
 // 待处理事项数据
+const pendingPaymentCount = ref(0);
 const pendingShipmentCount = ref(0);
 const pendingRefundCount = ref(0);
 const couponUsedCount = computed(() => statisticsStore.safeCouponUsedCount);
 
 // 待处理事项（使用computed确保响应式更新）
 const todoItems = computed(() => [
+  { label: '待付款订单', value: pendingPaymentCount.value, to: '/shop/shopOrder?tab=unpaid', tagColor: 'gold', dotColor: 'dot-gold', urgent: pendingPaymentCount.value > 0 },
   { label: '待发货订单', value: pendingShipmentCount.value, to: '/shop/shopOrder?tab=undelivered', tagColor: 'blue', dotColor: 'dot-blue', urgent: pendingShipmentCount.value > 0 },
-  { label: '退款申请', value: pendingRefundCount.value, to: '/shop/shopOrder?tab=refunded', tagColor: 'orange', dotColor: 'dot-orange', urgent: pendingRefundCount.value > 0 },
+  // { label: '退款申请', value: pendingRefundCount.value, to: '/shop/shopOrder?tab=refunded', tagColor: 'orange', dotColor: 'dot-orange', urgent: pendingRefundCount.value > 0 },
   // { label: '优惠券使用', value: couponUsedCount.value, to: '/market/coupon', tagColor: 'cyan', dotColor: 'dot-cyan', urgent: false },
 ]);
 
@@ -375,6 +377,20 @@ const loadData = async () => {
     ]);
 
     // 获取待处理事项数据
+    try {
+      // 获取待付款订单数（type=0商城订单, statusFilter=0待付款）
+      const paymentResult = await pageShopOrder({
+        type: 0,
+        statusFilter: 0,
+        page: 1,
+        limit: 1
+      });
+      pendingPaymentCount.value = paymentResult?.count || 0;
+    } catch (e) {
+      console.warn('获取待付款订单数失败:', e);
+      pendingPaymentCount.value = 0;
+    }
+
     try {
       // 获取待发货订单数（type=0商城订单, statusFilter=1待发货）
       const shipmentResult = await pageShopOrder({
@@ -511,6 +527,7 @@ onUnmounted(() => {
 .todo-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
 .dot-orange { background: #f97316; }
 .dot-blue { background: #3b82f6; }
+.dot-gold { background: #faad14; }
 .dot-cyan { background: #06b6d4; }
 .dot-purple { background: #a855f7; }
 .todo-content { flex: 1; display: flex; align-items: center; }