feat(bid): add pending delivery order management feature

1. 新增待发订单路由页面与菜单权限
2. 新增发货单生成功能，可从已采纳报价单创建发货单
3. 扩展发货单实体与Mapper，增加物料数量统计字段
4. 实现待发订单列表、详情、编辑、发货确认与删除功能

ruoyi-ui/src/router/index.js

@@ -189,6 +189,19 @@ export const dynamicRoutes = [
     }]
   },
 
+  // ── 订单履约：待发订单 ──
+  {
+    path: '/bid/order/pending',
+    component: Layout,
+    permissions: ['bid:order:pending'],
+    children: [{
+      path: '',
+      component: () => import('@/views/bid/order/pending'),
+      name: 'OrderPending',
+      meta: { title: '待发订单', activeMenu: '/bid/order' }
+    }]
+  },
+
   {
     path: '/bid/comparison/detail',
     component: Layout,