feat(bom): 出库/借库清单头部 BOM 号后显示父件物料名

- selectedBomLabel 追加父件名（优先候选列表 parent_name，回退最近详情 parent_name）
- 主清单与欠料待补清单两处头部同时生效；取不到名称时退回原格式

inventory-web/src/views/borrow/apply/index.vue

@@ -574,6 +574,7 @@ const selectedBomNo = ref('')
 const bomSets = ref(1)
 const currentBomDetail = ref<any[]>([])  // 当前选中的BOM明细
 const bomPrintTime = ref('')
+const bomParentName = ref('')  // 最近一次 BOM 详情的父件物料名（打印头部兜底）
 
 // BOM 树形数据（将分组数据映射为 el-tree-select 需要的结构）
 const treeData = computed(() => {
@@ -630,10 +631,19 @@ const hasShortage = computed(() => bomDetailList.value.some((item: any) => item.
 const bomAvailableCount = computed(() => bomDetailList.value.filter(i => i.shortage === 0).length)
 const bomShortageCount = computed(() => bomDetailList.value.filter(i => i.shortage > 0).length)
 
-// BOM 选择显示标签（bom_no###version → "bom_no (version)"）
+// BOM 选择显示标签：bom_no###version → "bom_no (version) · 父件物料名"
 const selectedBomLabel = computed(() => {
   const [no, ver] = (selectedBomNo.value || '').split('###')
-  return ver ? `${no} (${ver})` : no
+  if (!no) return ''
+  // 先从候选 BOM 列表匹配父件物料名，匹配不到再回退到最近一次详情加载到的名称
+  let parentName = ''
+  for (const grp of bomOptions.value || []) {
+    const hit = (grp.items || []).find((i: any) => i.bom_no === no && i.version === (ver || i.version))
+    if (hit) { parentName = hit.parent_name || ''; break }
+  }
+  if (!parentName) parentName = bomParentName.value || ''
+  const verText = ver ? ` (${ver})` : ''
+  return parentName ? `${no}${verText} · ${parentName}` : `${no}${verText}`
 })
 
 // 打印相关
@@ -814,6 +824,7 @@ watch(selectedBomNo, async (newKey) => {
   try {
     const detailRes: any = await getBomWithStock(bomNo, version)
     currentBomDetail.value = detailRes.data?.children || []
+    bomParentName.value = detailRes.data?.parent_name || ''
   } catch (e) {
     ElMessage.error('加载 BOM 明细失败')
     currentBomDetail.value = []
@@ -829,6 +840,7 @@ const confirmBomAdd = async () => {
       const [bomNo, version] = (selectedBomNo.value || '').split('###')
       const detailRes: any = await getBomWithStock(bomNo, version)
       currentBomDetail.value = detailRes.data?.children || []
+      bomParentName.value = detailRes.data?.parent_name || ''
     } catch (e) {
       ElMessage.error('获取 BOM 详情失败')
       return

inventory-web/src/views/outbound/Selection.vue

@@ -652,13 +652,23 @@ const hasShortage = computed(() => bomDetailList.value.some((item: any) => item.
 
 // ★ BOM 打印统计
 const bomPrintTime = ref('')
+const bomParentName = ref('')  // 最近一次 BOM 详情的父件物料名（打印头部兜底）
 const bomAvailableCount = computed(() => bomDetailList.value.filter(i => i.shortage === 0).length)
 const bomShortageCount = computed(() => bomDetailList.value.filter(i => i.shortage > 0).length)
 
-// BOM 选择显示标签（bom_no###version → "bom_no (version)"）
+// BOM 选择显示标签：bom_no###version → "bom_no (version) · 父件物料名"
 const selectedBomLabel = computed(() => {
   const [no, ver] = (selectedBomNo.value || '').split('###')
-  return ver ? `${no} (${ver})` : no
+  if (!no) return ''
+  // 先从候选 BOM 列表匹配父件物料名，匹配不到再回退到最近一次详情加载到的名称
+  let parentName = ''
+  for (const grp of bomOptions.value || []) {
+    const hit = (grp.items || []).find((i: any) => i.bom_no === no && i.version === (ver || i.version))
+    if (hit) { parentName = hit.parent_name || ''; break }
+  }
+  if (!parentName) parentName = bomParentName.value || ''
+  const verText = ver ? ` (${ver})` : ''
+  return parentName ? `${no}${verText} · ${parentName}` : `${no}${verText}`
 })
 
 // --- 辅助方法 ---
@@ -850,6 +860,7 @@ watch(selectedBomNo, async (newKey) => {
   try {
     const detailRes: any = await getBomWithStock(bomNo, version)
     currentBomDetail.value = detailRes.data?.children || []
+    bomParentName.value = detailRes.data?.parent_name || ''
   } catch (e) {
     ElMessage.error('加载 BOM 明细失败')
     currentBomDetail.value = []
@@ -865,6 +876,7 @@ const confirmBomAdd = async () => {
       const [bomNo, version] = (selectedBomNo.value || '').split('###')
       const detailRes: any = await getBomWithStock(bomNo, version)
       currentBomDetail.value = detailRes.data?.children || []
+      bomParentName.value = detailRes.data?.parent_name || ''
     } catch (e) {
       ElMessage.error('获取 BOM 详情失败')
       return