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/pages/Ledger.vue

@@ -0,0 +1,88 @@
+<script setup>
+import { reactive, ref } from 'vue'
+import request from '../utils/request'
+
+const orderNo = ref('')
+const loading = ref(false)
+const queried = ref(false)
+const rows = ref([])
+const total = ref(0)
+const page = reactive({ current: 1, size: 20 })
+
+function gapOf(row) {
+  return Math.max((row.totalQty || 0) - (row.outQty || 0), 0)
+}
+
+async function load() {
+  if (!orderNo.value.trim()) return
+  loading.value = true
+  try {
+    const data = await request.get('/ledger/query', {
+      params: { orderNo: orderNo.value.trim(), page: page.current, pageSize: page.size }
+    })
+    rows.value = data?.list || []
+    total.value = data?.total || 0
+    queried.value = true
+  } finally {
+    loading.value = false
+  }
+}
+
+function search() {
+  page.current = 1
+  load()
+}
+
+function statusTag(s) {
+  return s === '领料完结' ? 'success' : s === '进行中' ? 'primary' : 'info'
+}
+</script>
+
+<template>
+  <div>
+    <el-card shadow="never" class="mb12">
+      <el-form inline @submit.prevent="search">
+        <el-form-item label="工单号">
+          <el-input v-model="orderNo" placeholder="输入工单号查询物料台账" clearable autofocus
+                    style="width:280px" @keyup.enter="search" />
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" :loading="loading" @click="search">查询</el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+
+    <el-card v-if="queried" shadow="never">
+      <template #header>工单 {{ orderNo }} 物料台账（共 {{ total }} 条）</template>
+      <el-table :data="rows" border v-loading="loading" empty-text="暂无台账数据">
+        <el-table-column prop="orderNo" label="工单号" min-width="140" />
+        <el-table-column prop="materialCode" label="物料编码" min-width="150" />
+        <el-table-column prop="materialName" label="物料名称" min-width="150">
+          <template #default="{ row }">{{ row.materialName || '-' }}</template>
+        </el-table-column>
+        <el-table-column prop="totalQty" label="需求总量" width="100" align="center" />
+        <el-table-column prop="outQty" label="已出库" width="90" align="center" />
+        <el-table-column label="缺口" width="90" align="center">
+          <template #default="{ row }">{{ gapOf(row) }}</template>
+        </el-table-column>
+        <el-table-column label="状态" width="110" align="center">
+          <template #default="{ row }">
+            <el-tag :type="statusTag(row.status)" size="small">{{ row.status }}</el-tag>
+          </template>
+        </el-table-column>
+      </el-table>
+      <div class="pager">
+        <el-pagination background layout="total, prev, pager, next" :total="total"
+                       :current-page="page.current" :page-size="page.size"
+                       @current-change="(p) => { page.current = p; load() }" />
+      </div>
+    </el-card>
+
+    <el-empty v-else description="请输入工单号查询" />
+  </div>
+</template>
+
+<style scoped>
+.mb12 { margin-bottom: 12px; }
+.pager { display: flex; justify-content: flex-end; margin-top: 10px; }
+</style>