feat(business): 前端业务/发货/回款管理三页

- 业务页：明细行编辑器、详情抽屉五分区（含状态时间线与毛利润卡片）
- 回款页：业务→发货批次级联指定（可清空）、已核算行禁改禁删
- 金额/比率字符串直出；毛利润卡片注明不含运费口径

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

frontend/src/router/index.ts

@@ -89,6 +89,25 @@ const routes: RouteRecordRaw[] = [
         component: () => import('@/views/base/customers/index.vue'),
         meta: { title: '客户管理', group: '基础数据', order: 10 },
       },
+      {
+        // 业务数据组一律为业务操作：登录即可访问，不设 requiresAdmin
+        path: '/business/businesses',
+        name: 'business-businesses',
+        component: () => import('@/views/business/businesses/index.vue'),
+        meta: { title: '业务管理', group: '业务数据', order: 11 },
+      },
+      {
+        path: '/business/shipments',
+        name: 'business-shipments',
+        component: () => import('@/views/business/shipments/index.vue'),
+        meta: { title: '发货管理', group: '业务数据', order: 12 },
+      },
+      {
+        path: '/business/receipts',
+        name: 'business-receipts',
+        component: () => import('@/views/business/receipts/index.vue'),
+        meta: { title: '回款管理', group: '业务数据', order: 13 },
+      },
       {
         // 业务数据组首个页面：评级计算器是打分工具，不影响绩效金额，
         // 登录用户即可用，不设 requiresAdmin（区别于系统管理组）