fix: 全面修复项目问题

后端修复:
- 验证码存储与校验机制
- 订单创建事务+库存扣减
- GetStats字段名错误
- VerifyEmail改为POST
- 供应商更新字段白名单
- 文件删除安全检查
- 抽奖安全随机数
- 用户管理CRUD
- 订单取消/确认收货
- 工单回复
- Toggle返回新数据
- 移除死代码

前端修复:
- 404兜底路由
- 401软跳转
- API层统一
- 面包屑补充banners
- 国际化完善
- 购物车并行删除
- 退出清理购物车
- 供应商Dashboard数据
- 工单详情页
- 订单取消/确认收货

frontend/src/router/index.ts

@@ -10,9 +10,9 @@ const routes = [
   },
   {
     path: '/',
-    component: () => import('../layouts/scheme4/UserLayout.vue'),
+    component: () => import('../layouts/UserLayout.vue'),
     children: [
-      { path: '', name: 'Home', component: () => import('../views/scheme4/Home.vue') },
+      { path: '', name: 'Home', component: () => import('../views/user/Home.vue') },
       { path: 'products', name: 'Products', component: () => import('../views/user/Products.vue') },
       { path: 'products/:id', name: 'ProductDetail', component: () => import('../views/user/ProductDetail.vue') },
       { path: 'cart', name: 'Cart', component: () => import('../views/user/Cart.vue') },
@@ -24,6 +24,7 @@ const routes = [
       { path: 'lotteries/:id', name: 'LotteryDetail', component: () => import('../views/user/LotteryDetail.vue') },
       { path: 'tickets', name: 'Tickets', component: () => import('../views/user/Tickets.vue') },
       { path: 'tickets/create', name: 'CreateTicket', component: () => import('../views/user/CreateTicket.vue') },
+      { path: 'tickets/:id', name: 'TicketDetail', component: () => import('../views/user/TicketDetail.vue') },
       { path: 'articles', name: 'Articles', component: () => import('../views/user/Articles.vue') },
       { path: 'articles/:id', name: 'ArticleDetail', component: () => import('../views/user/ArticleDetail.vue') },
       { path: 'login', name: 'Login', component: () => import('../views/auth/Login.vue'), meta: { guest: true, hideSidebar: true } },
@@ -46,6 +47,7 @@ const routes = [
       { path: 'tickets', name: 'AdminTickets', component: () => import('../views/admin/Tickets.vue') },
       { path: 'settings', name: 'AdminSettings', component: () => import('../views/admin/Settings.vue') },
       { path: 'articles', name: 'AdminArticles', component: () => import('../views/admin/Articles.vue') },
+      { path: 'banners', name: 'AdminBanners', component: () => import('../views/admin/Banners.vue') },
     ],
   },
   {
@@ -58,6 +60,11 @@ const routes = [
       { path: 'inventory', name: 'SupplierInventory', component: () => import('../views/supplier/Inventory.vue') },
     ],
   },
+  {
+    path: '/:pathMatch(.*)*',
+    name: 'NotFound',
+    component: () => import('../views/NotFound.vue'),
+  },
 ]
 
 const router = createRouter({