docs(business): 生成业务契约文档并重构MES客户端代码

- 创建案例.md文档，包含业务场景清单、业务流程、案例和回归测试三份完整文档
- WMS库房管理系统涵盖入库、出库、库存、检验、盘点等24个业务场景
- MES产线控制系统包含工单、排产、BOM、备料、质检、追溯等23个业务场景
- 工位终端系统支持上线、报工、下线、领料、巡检等15个现场作业场景
- 主链路从合同到成品入库，异常链路处理不合格、数量不符、退料等情况
- 删除MES客户端中的ScanRecord相关代码，精简客户端结构
- 更新客户端初始化逻辑，移除扫描记录相关的依赖注入配置

bj_power_wms/frontend/src/pages/Outbound.vue

@@ -24,14 +24,22 @@ const loadingPrep = ref(false)
 const queried = ref(false)
 const rows = ref([])
 
-onMounted(loadOrders)
-async function loadOrders() {
+const orders = ref([])
+const ordersLoading = ref(false)
+// 工单号来自 MES 实时查询：无输入默认拉「未完成优先」的前 20 条；输入时按工单号模糊远程搜索。
+async function searchOrders(query) {
+  ordersLoading.value = true
   try {
-    const data = await request.get('/orders', { params: { page: 1, pageSize: 200 } })
+    const data = await request.get('/orders', { params: { orderNo: query || '', limit: 20 } })
     orders.value = Array.isArray(data) ? data : data?.list || []
   } catch { orders.value = [] }
+  finally { ordersLoading.value = false }
 }
-const orders = ref([])
+async function loadOrders() { await searchOrders('') }
+function orderLabel(o) { return o.productName ? `${o.workOrderNo}　${o.productName}` : o.workOrderNo }
+// 选中下拉项或手输兜底（allow-create）后直接查该工单台账
+function onOrderPick(v) { if (v && String(v).trim()) queryPrep() }
+onMounted(loadOrders)
 
 const pendingRows = computed(() => rows.value.filter(r => r.status !== '领料完结'))
 function gapOf(row) { return Math.max((row.totalQty || 0) - (row.outQty || 0), 0) }
@@ -326,7 +334,14 @@ async function submitGen() {
 }
 
 /* ===================== 出库记录（统一主表，全部 + 导出） ===================== */
-const recFilters = reactive({ outboundType: '', status: '', materialCode: '', boxNo: '', ownershipType: '', dateRange: [] })
+// 出库记录默认展示近 3 个月（与后端导出时间硬规则一致，保证「列表条数 = 导出条数」）
+function recDefaultRange() {
+  const p = (n) => String(n).padStart(2, '0')
+  const fmt = (d) => `${d.getFullYear()}-${p(d.getMonth() + 1)}-${p(d.getDate())}`
+  const end = new Date(); const start = new Date(); start.setMonth(start.getMonth() - 3)
+  return [fmt(start), fmt(end)]
+}
+const recFilters = reactive({ outboundType: '', status: '', materialCode: '', boxNo: '', ownershipType: '', dateRange: recDefaultRange() })
 const recRows = ref([])
 const recTotal = ref(0)
 const loadingRec = ref(false)
@@ -346,8 +361,8 @@ async function loadRecords() {
       page: recPage.current, pageSize: recPage.size
     }
     if (Array.isArray(recFilters.dateRange) && recFilters.dateRange.length === 2) {
-      params.startAt = new Date(recFilters.dateRange[0]).getTime()
-      params.endAt = new Date(recFilters.dateRange[1]).getTime() + 86399999
+      params.startDate = recFilters.dateRange[0]
+      params.endDate = recFilters.dateRange[1]
     }
     const data = await request.get('/outbound/query', { params })
     recRows.value = (data?.list || []).map(r => ({ ...r, snCodes: snOf(r) }))
@@ -355,16 +370,20 @@ async function loadRecords() {
   } finally { loadingRec.value = false }
 }
 function searchRec() { recPage.current = 1; loadRecords() }
-function resetRec() { Object.assign(recFilters, { outboundType: '', status: '', materialCode: '', boxNo: '', dateRange: [] }); searchRec() }
+function resetRec() { Object.assign(recFilters, { outboundType: '', status: '', materialCode: '', boxNo: '', dateRange: recDefaultRange() }); searchRec() }
 
 function downloadCSV() {
+  // 时间窗口与列表保持一致：未选/已清空时回落近 3 个月，保证确认框条数 = 实际导出条数
+  const dr = (Array.isArray(recFilters.dateRange) && recFilters.dateRange.length === 2) ? recFilters.dateRange : recDefaultRange()
   exportXlsxFetch('/api/outbound/export', {
     outboundType: recFilters.outboundType,
     status: recFilters.status,
     materialCode: recFilters.materialCode.trim(),
-    boxNo: recFilters.boxNo.trim()
-  }, '出库管理.xlsx')
-    .then(() => ElMessage.success('导出成功'))
+    boxNo: recFilters.boxNo.trim(),
+    startDate: dr[0],
+    endDate: dr[1]
+  }, '出库管理.xlsx', { countUrl: '/outbound/query', name: '出库记录' })
+    .then((name) => { if (name) ElMessage.success('已导出：' + name) })
     .catch(() => ElMessage.error('导出失败'))
 }
 
@@ -387,8 +406,15 @@ onMounted(loadDicts)
         <el-card shadow="never" class="mb12">
           <el-form inline label-width="90px" @submit.prevent>
             <el-form-item label="工单号">
-              <el-input v-model="queryForm.orderNo" placeholder="输入工单号回车查询" clearable autofocus
-                        style="width:260px" @keyup.enter="queryPrep" />
+              <el-select v-model="queryForm.orderNo" filterable remote allow-create default-first-option
+                         clearable reserve-keyword :remote-method="searchOrders" :loading="ordersLoading"
+                         placeholder="选择或输入工单号（默认未完成优先前20条，可模糊搜索）"
+                         style="width:340px" @change="onOrderPick">
+                <el-option v-for="o in orders" :key="o.workOrderNo" :value="o.workOrderNo" :label="orderLabel(o)">
+                  <span style="float:left">{{ o.workOrderNo }}</span>
+                  <span style="float:right;color:#909399;font-size:12px">{{ o.productName }}　{{ o.status }}</span>
+                </el-option>
+              </el-select>
             </el-form-item>
             <el-form-item label="操作人">
               <el-input :model-value="operator" disabled style="width:160px" />