feat: 移除PDI和订单号字段，新增设备巡检模块

- 从物料跟踪页面移除订单号列和表单字段
- 从导航菜单移除PDI管理，添加设备巡检
- 新增InspectionLocation和InspectionRecord后端模型和API
- 新增设备巡检前端页面（左侧点位列表，右侧设备和历史记录）

frontend/src/router/index.js

@@ -0,0 +1,100 @@
+import Vue from 'vue'
+import VueRouter from 'vue-router'
+
+Vue.use(VueRouter)
+
+const routes = [
+  {
+    path: '/login',
+    name: 'Login',
+    component: () => import('@/views/Login.vue'),
+    meta: { title: '登录' }
+  },
+  {
+    path: '/',
+    component: () => import('@/views/Layout.vue'),
+    meta: { requiresAuth: true },
+    redirect: '/dashboard',
+    children: [
+      {
+        path: 'dashboard',
+        name: 'Dashboard',
+        component: () => import('@/views/Dashboard.vue'),
+        meta: { title: '生产看板', icon: 'el-icon-monitor', requiresAuth: true }
+      },
+      {
+        path: 'material',
+        name: 'Material',
+        component: () => import('@/views/Material.vue'),
+        meta: { title: '物料跟踪', icon: 'el-icon-box', requiresAuth: true }
+      },
+      {
+        path: 'production',
+        name: 'Production',
+        component: () => import('@/views/Production.vue'),
+        meta: { title: '实绩管理', icon: 'el-icon-data-analysis', requiresAuth: true }
+      },
+      {
+        path: 'plan',
+        name: 'Plan',
+        component: () => import('@/views/Plan.vue'),
+        meta: { title: '计划管理', icon: 'el-icon-date', requiresAuth: true }
+      },
+      {
+        path: 'downtime',
+        name: 'Downtime',
+        component: () => import('@/views/Downtime.vue'),
+        meta: { title: '停机管理', icon: 'el-icon-warning-outline', requiresAuth: true }
+      },
+      {
+        path: 'equipment',
+        name: 'Equipment',
+        component: () => import('@/views/Equipment.vue'),
+        meta: { title: '设备管理', icon: 'el-icon-set-up', requiresAuth: true }
+      },
+      {
+        path: 'message',
+        name: 'Message',
+        component: () => import('@/views/Message.vue'),
+        meta: { title: '报文监控', icon: 'el-icon-connection', requiresAuth: true }
+      },
+      {
+        path: 'process-model',
+        name: 'ProcessModel',
+        component: () => import('@/views/ProcessModel.vue'),
+        meta: { title: '工艺段模型', icon: 'el-icon-cpu', requiresAuth: true }
+      },
+      {
+        path: 'tension-model',
+        name: 'TensionModel',
+        component: () => import('@/views/TensionModel.vue'),
+        meta: { title: '张力设定', icon: 'el-icon-odometer', requiresAuth: true }
+      },
+      {
+        path: 'inspection',
+        name: 'Inspection',
+        component: () => import('@/views/Inspection.vue'),
+        meta: { title: '设备巡检', requiresAuth: true }
+      },
+      {
+        path: 'quality',
+        name: 'Quality',
+        component: () => import('@/views/Quality.vue'),
+        meta: { title: '质量管理', icon: 'el-icon-medal', requiresAuth: true }
+      },
+      {
+        path: 'capacity',
+        name: 'Capacity',
+        component: () => import('@/views/Capacity.vue'),
+        meta: { title: '产能分析', icon: 'el-icon-s-data', requiresAuth: true }
+      },
+    ]
+  },
+  { path: '*', redirect: '/' }
+]
+
+export default new VueRouter({
+  mode: 'history',
+  base: process.env.BASE_URL,
+  routes
+})