feat: 五项目业务实现并对接完成

- MES(B): 工单/BOM/备料/工序字典/PLC下发/拧紧/扫码报工/半成品/AGV/追溯逻辑，WMS与海康RCS客户端，看板Redis缓存API(概览/设备/进度/报警/趋势)+SSE
- WMS(C): JWT滑动续签、Excel导入、盘点、内部API、种子数据、独立Postgres配置
- WMS客户端(E): Go网关8891反向代理+内嵌Vue3十页
- 工位终端(D): SQLite本地缓存+模拟拧紧源+内嵌Vue3页面
- Dashboard(A): 看板数据改接MES内部缓存API，SSE实时刷新+vite代理
- 清理各项目球形磨遗留代码，新增部署手册.md

bj_power_wms_client/frontend/src/layouts/MainLayout.vue

@@ -0,0 +1,85 @@
+<script setup>
+import { computed } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { ElMessage } from 'element-plus'
+import {
+  HomeFilled, Download, Upload, Search, CircleCheck, List,
+  Box, Tickets, Monitor
+} from '@element-plus/icons-vue'
+import { getUser, logout } from '../utils/auth'
+
+const route = useRoute()
+const router = useRouter()
+
+const user = getUser()
+const pageTitle = computed(() => route.meta?.title || '')
+
+const menus = [
+  { path: '/', title: '工作台', icon: HomeFilled },
+  { path: '/inbound', title: '入库管理', icon: Download },
+  { path: '/outbound', title: '备料出库', icon: Upload },
+  { path: '/inventory', title: '库存查询', icon: Search },
+  { path: '/inspection', title: '质量检验', icon: CircleCheck },
+  { path: '/stocktake', title: '库存盘点', icon: List },
+  { path: '/package', title: '包装绑定', icon: Box },
+  { path: '/ledger', title: '物料台账', icon: Tickets }
+]
+
+function onLogout() {
+  logout()
+  ElMessage.success('已退出登录')
+  router.push('/login')
+}
+</script>
+
+<template>
+  <el-container class="layout">
+    <el-aside width="210px" class="aside">
+      <div class="brand">
+        <el-icon :size="22"><Box /></el-icon>
+        <span>北自所库房客户端</span>
+      </div>
+      <el-menu :default-active="route.path" class="menu" background-color="#001529"
+               text-color="#c2cad8" active-text-color="#ffffff" router>
+        <el-menu-item v-for="m in menus" :key="m.path" :index="m.path">
+          <el-icon><component :is="m.icon" /></el-icon>
+          <span>{{ m.title }}</span>
+        </el-menu-item>
+      </el-menu>
+    </el-aside>
+
+    <el-container>
+      <el-header height="56px" class="header">
+        <span class="title">{{ pageTitle }}</span>
+        <div class="spacer"></div>
+        <el-button text type="primary" @click="router.push('/display')">
+          <el-icon style="margin-right:4px"><Monitor /></el-icon>免登录大屏
+        </el-button>
+        <el-tag effect="plain">{{ user?.realName || user?.username || '未登录' }}</el-tag>
+        <el-button text type="danger" @click="onLogout">退出登录</el-button>
+      </el-header>
+      <el-main class="main">
+        <router-view />
+      </el-main>
+    </el-container>
+  </el-container>
+</template>
+
+<style scoped>
+.layout { height: 100vh; }
+.aside { background: #001529; }
+.brand {
+  display: flex; align-items: center; gap: 8px;
+  height: 56px; padding: 0 16px;
+  color: #fff; font-weight: 600; font-size: 15px;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
+}
+.menu { border-right: none; }
+.header {
+  display: flex; align-items: center; gap: 10px;
+  background: #fff; border-bottom: 1px solid #ebeef5;
+}
+.title { font-size: 16px; font-weight: 600; }
+.spacer { flex: 1; }
+.main { background: #f0f2f5; padding: 14px; overflow: auto; }
+</style>