add sku mapping

frontend/src/components/layouts/MainLayout.vue

@@ -20,6 +20,8 @@ import {
   FileSearchOutlined,
   ApiOutlined,
   HistoryOutlined,
+  BarcodeOutlined,
+  LinkOutlined,
 } from '@ant-design/icons-vue'
 import type { Component } from 'vue'
 
@@ -53,6 +55,7 @@ const initOpenKeys = () => {
   const path = route.path
   if (path.startsWith('/order')) openKeys.value = ['orders-group']
   else if (path.startsWith('/refund')) openKeys.value = ['refunds-group']
+  else if (path.startsWith('/sku-')) openKeys.value = ['sku-group']
   else if (path.startsWith('/logs')) openKeys.value = ['logs-group']
 }
 
@@ -64,6 +67,15 @@ const menuItems: MenuItem[] = [
   { key: '/', icon: DashboardOutlined, label: '首页' },
   { key: '/users', icon: UserOutlined, label: '用户管理', adminOnly: true },
   { key: '/products', icon: ShoppingOutlined, label: '产品管理' },
+  {
+    key: 'sku-group',
+    icon: BarcodeOutlined,
+    label: 'SKU 管理',
+    children: [
+      { key: '/sku-origins', icon: BarcodeOutlined, label: '内部 SKU' },
+      { key: '/sku-mappings', icon: LinkOutlined, label: 'SKU 映射' },
+    ],
+  },
   {
     key: 'orders-group',
     icon: FileTextOutlined,
@@ -126,6 +138,8 @@ const breadcrumbItems = computed(() => {
     '/order-items': '订单子项',
     '/refunds': '退款列表',
     '/refund-items': '退款子项',
+    '/sku-origins': '内部 SKU',
+    '/sku-mappings': 'SKU 映射',
     '/roles': '角色管理',
     '/route-groups': '路由组管理',
     '/mq-status': '队列监控',