refactor(frontend): 调整菜单与页面内容，重构物料跟踪页面为实时参数页面

1.  调整侧边栏菜单的路由标题与图标，交换入口跟踪和物料跟踪的配置
2.  重构Material.vue页面：移除原有计划队列和产线跟踪总图，改为按设备分组的实时参数仪表盘
3.  简化页面脚本逻辑，移除多余的API调用和定时器
4.  统一页面样式类名，调整布局样式

frontend/src/router/index.js

@@ -20,13 +20,13 @@ const routes = [
         path: 'material',
         name: 'Material',
         component: () => import('@/views/Material.vue'),
-        meta: { title: '物料跟踪', icon: 'el-icon-box', requiresAuth: true }
+        meta: { title: '实时参数', icon: 'el-icon-s-data', requiresAuth: true }
       },
       {
         path: 'entry-tracking',
         name: 'EntryTracking',
         component: () => import('@/views/EntryTracking.vue'),
-        meta: { title: '入口跟踪', icon: 'el-icon-position', requiresAuth: true }
+        meta: { title: '物料跟踪', icon: 'el-icon-box', requiresAuth: true }
       },
       {
         path: 'production',