feat(outbound): 优化按 BOM 添加逻辑，支持缺件时按现有库存部分出库

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

@@ -213,13 +213,12 @@
       </div>
       <template #footer>
         <el-button @click="bomSelectVisible = false">取消</el-button>
-        <el-button 
-          v-if="userStore.hasPermission('outbound_selection:operation')" 
-          type="primary" 
+        <el-button
+          v-if="userStore.hasPermission('outbound_selection:operation')"
+          type="primary"
           @click="confirmBomAdd"
-          :disabled="hasShortage"
         >
-          {{ hasShortage ? '库存不足，无法添加' : '一键计算并添加' }}
+          {{ hasShortage ? '仅添加现有库存' : '确认添加' }}
         </el-button>
       </template>
     </el-dialog>
@@ -632,50 +631,65 @@ watch(selectedBomNo, async (newBomNo) => {
 })
 
 const confirmBomAdd = async () => {
-  if(!selectedBomNo.value) return ElMessage.warning('请选择 BOM');
+  if (!selectedBomNo.value) return ElMessage.warning('请选择 BOM')
 
   if (allStockData.value.length === 0) {
-    await openManualSelect()
-    manualDialogVisible.value = false
+    await ensureAllStockLoaded()
   }
 
-  try {
-    const detailRes = await getBomDetail(selectedBomNo.value)
-    const bomRows = detailRes.data?.children || []
+  if (currentBomDetail.value.length === 0) {
+    try {
+      const detailRes = await getBomDetail(selectedBomNo.value)
+      currentBomDetail.value = detailRes.data?.children || []
+    } catch (e) {
+      ElMessage.error('获取 BOM 详情失败')
+      return
+    }
+  }
 
-    let addedCount = 0;
-    bomRows.forEach((bomItem: any) => {
-      const needQty = (parseFloat(bomItem.dosage) || 0) * bomSets.value
-      // ★ BOM 添加时，匹配本地库存数据，带入库位信息
-      const stockCandidate = allStockData.value.find(s =>
-          (s.base_id && s.base_id == bomItem.child_id)
-      )
+  const bomRows = currentBomDetail.value
+  let addedCount = 0
+  let skippedCount = 0
 
-      if (stockCandidate) {
+  bomRows.forEach((bomItem: any) => {
+    const dosage = parseFloat(bomItem.dosage) || 0
+    const needQty = dosage * bomSets.value
+
+    const stockCandidate = allStockData.value.find(s =>
+      (s.base_id && s.base_id == bomItem.child_id)
+    )
+
+    if (stockCandidate) {
+      const availableQty = stockCandidate.availableCount || 0
+      const actualAddQty = Math.min(needQty, availableQty)
+
+      if (actualAddQty > 0) {
         const existing = selectedItems.value.find(e => e.uniqueKey === stockCandidate.uniqueKey)
         if (existing) {
-          existing.export_quantity += needQty
+          existing.export_quantity += actualAddQty
         } else {
           const newItem = JSON.parse(JSON.stringify(stockCandidate))
-          // 如果后端 BomService 也返回了 warehouse_location (聚合的)，这里优先使用
           if (bomItem.warehouse_location) {
             newItem.warehouse_location = bomItem.warehouse_location
           }
-          newItem.export_quantity = needQty
+          newItem.export_quantity = actualAddQty
           selectedItems.value.push(newItem)
         }
         addedCount++
+      } else {
+        skippedCount++
       }
-    })
-
-    if(addedCount > 0) {
-      ElMessage.success(`成功添加 BOM 相关物料，共 ${addedCount} 类`)
-      bomSelectVisible.value = false
     } else {
-      ElMessage.warning('库存中未找到该 BOM 所需的任何原料')
+      skippedCount++
     }
-  } catch(e) {
-    ElMessage.error('获取 BOM 详情失败')
+  })
+
+  if (addedCount > 0) {
+    const tip = skippedCount > 0 ? `（跳过 ${skippedCount} 种缺货物料）` : ''
+    ElMessage.success(`成功添加 ${addedCount} 类物料${tip}`)
+    bomSelectVisible.value = false
+  } else {
+    ElMessage.warning('该 BOM 所有物料库存均为 0')
   }
 }