feat: 新增装机绑定功能与权限、BOM工序配置

1.  新增装机绑定实体与相关CRUD逻辑，支持工件工序物料绑定/解绑
2.  为BOM物料新增装配工序字段，支持按工序校验绑定
3.  扩展权限表，新增父权限码字段支持菜单按钮关联
4.  统一各页面帮助弹窗参数，新增角色管理帮助文档
5.  新增公共格式化工具函数，优化侧边栏菜单展开逻辑
6.  新增工位终端绑定代理接口与MES内部绑定API
7.  修复主入口数据库连接与schema初始化逻辑，新增一键迁移工具

bj_power_mes/frontend/src/pages/Scan.vue

@@ -44,7 +44,46 @@
         </el-table-column>
       </el-table>
     </el-card>
-    <el-alert v-else type="info" :closable="false" title="请选择工位、输入SN后点【载入工序步骤】；若提示未配置工序步骤，请到「工艺流程」为该工位启用流程并维护工序步骤" />
+
+    <!-- 装机绑定区：该工件在本工序应装什么料（BOM 装配工序配置）→ 扫码/手录绑定，齐套后才允许报工 -->
+    <el-card v-if="bindPanel" shadow="never" style="margin-bottom:12px;border-color:var(--el-color-primary)">
+      <div slot="header" style="display:flex;justify-content:space-between;align-items:center">
+        <b>工序 {{ form.stationNo }} 装机绑定（装配物料）</b>
+        <el-alert v-if="bindPanel.enabled && !bindPanel.complete" type="warning" :closable="false" show-icon style="flex:1;margin-left:16px"
+          :title="'尚未绑齐：' + bindPanel.missing" />
+        <el-alert v-else-if="bindPanel.enabled && bindPanel.complete" type="success" :closable="false" show-icon style="flex:1;margin-left:16px"
+          title="装配物料已绑齐，可提交报工" />
+        <el-alert v-else type="info" :closable="false" style="flex:1;margin-left:16px"
+          title="该产品未在本工序配置需绑定物料（BOM「装配工序」为空），不校验" />
+      </div>
+      <el-table v-if="bindPanel.required && bindPanel.required.length" :data="bindPanel.required" border size="small">
+        <el-table-column prop="materialCode" label="物料编码" min-width="110" />
+        <el-table-column prop="materialName" label="物料名称" min-width="120" />
+        <el-table-column prop="manageMode" label="管理方式" width="120">
+          <template #default="{row}">{{ row.manageMode === '2' ? '精密件(SN)' : '结构件(批次)' }}</template>
+        </el-table-column>
+        <el-table-column label="已绑/需绑" width="100" align="center">
+          <template #default="{row}">
+            <b :style="{color: row.complete ? 'var(--el-color-success)' : 'var(--el-color-danger)'}">{{ row.boundCount }}/{{ row.need }}</b>
+          </template>
+        </el-table-column>
+        <el-table-column label="已绑定值" min-width="170">
+          <template #default="{row}">
+            <el-tag v-for="b in row.bound" :key="b" size="small" style="margin-right:4px">{{ b }}</el-tag>
+            <span v-if="!row.bound.length" style="color:#909399">未绑定</span>
+          </template>
+        </el-table-column>
+        <el-table-column label="绑定操作" width="230">
+          <template #default="{row}">
+            <div style="display:flex;gap:4px">
+              <el-input v-model="row._input" :placeholder="row.manageMode === '2' ? '扫码SN' : '扫码/输入批次号'" size="small" @keyup.enter="bindOne(row)" />
+              <el-button size="small" type="primary" :loading="binding" @click="bindOne(row)">绑定</el-button>
+            </div>
+          </template>
+        </el-table-column>
+      </el-table>
+    </el-card>
+    <el-alert v-if="!steps.length && !bindPanel" type="info" :closable="false" title="请选择工位、输入SN后点【载入工序步骤】；若提示未配置工序步骤，请到「工艺流程」为该工位启用流程并维护工序步骤" />
 
     <el-divider content-position="left">报工记录</el-divider>
     <el-form inline>
@@ -62,7 +101,7 @@
       <el-table-column prop="time" label="时间" min-width="170" />
     </el-table>
   </el-card>
-  <PageHelp :data="helpScan" />
+  <PageHelp :data="helpScan" page="Scan" />
 </template>
 
 <script setup>
@@ -77,6 +116,8 @@ const form = reactive({ stationNo: 1, sn: '' })
 const steps = ref([])
 const flowName = ref('')
 const saving = ref(false)
+const bindPanel = ref(null)
+const binding = ref(false)
 const query = reactive({ sn: '', orderNo: '' })
 const list = ref([])
 
@@ -95,6 +136,7 @@ function critText(c) {
 // 从后端加载该工位启用工艺流程的工序步骤（value 挂在 row 上，提交时收集）
 async function loadSteps() {
   if (!form.sn) return ElMessage.warning('请先输入工件SN')
+  bindPanel.value = null
   try {
     const data = await request.get('/process-steps', { params: { stationNo: form.stationNo } }) || []
     steps.value = data.map(s => ({ ...s, value: '', text: '' }))
@@ -102,12 +144,50 @@ async function loadSteps() {
     if (!steps.value.length) {
       ElMessage.warning(`工位${form.stationNo} 未配置启用的工艺流程，请到「工艺流程」维护`)
     }
+    loadBindPanel()
   } catch { steps.value = [] }
 }
 
+// 拉取本工件本工序的装配物料绑定面板（应绑清单 + 已绑情况）
+async function loadBindPanel() {
+  if (!form.sn) return
+  try {
+    const p = await request.get('/bind-panel', { params: { sn: form.sn, processCode: form.stationNo } }) || null
+    if (p?.required) {
+      p.required.forEach((r) => { r._input = '' })
+    }
+    bindPanel.value = p
+  } catch {
+    bindPanel.value = null
+  }
+}
+
+// 扫/录单个物料 → 立即绑定落库并刷新齐套状态（防错即时反馈）
+async function bindOne(row) {
+  const v = (row._input || '').trim()
+  if (!v) return ElMessage.warning('请先输入绑定值（精密件扫码SN / 结构件批次号）')
+  binding.value = true
+  try {
+    await request.post('/binds', {
+      sn: form.sn,
+      orderNo: '',
+      processCode: form.stationNo,
+      stationNo: form.stationNo,
+      items: [{ materialCode: row.materialCode, bindValue: v }]
+    })
+    ElMessage.success('绑定成功')
+    loadBindPanel()
+  } catch { /* 错误已在拦截器提示 */ }
+  binding.value = false
+}
+
 async function submit() {
   if (!form.sn) return ElMessage.warning('请输入SN')
   if (!steps.value.length) return ElMessage.warning('该工位未配置工序步骤，无法报工')
+  // 报工前强校验：本工序装配物料需绑齐（后端 validateStationBinds）
+  if (bindPanel.value?.enabled && !bindPanel.value?.complete) {
+    return ElMessage.warning('装配物料未绑齐，请先完成装机绑定：' + (bindPanel.value.missing || ''))
+  }
   const stepReq = steps.value
     .filter(s => s.collectType !== 'NONE' && (s.text !== '' || s.value !== ''))
     .map(s => ({
@@ -125,6 +205,7 @@ async function submit() {
   })
   ElMessage.success('报工成功')
   steps.value = []
+  bindPanel.value = null
   Object.assign(form, { sn: '' })
   load()
 }