fix: fix BOM parents SQL error and remove unused add children button

Co-authored-by: aider (openai/DeepSeek-V3.2-Thinking) <aider@aider.chat>

inventory-backend/app/api/v1/bom.py

@@ -63,7 +63,7 @@ def get_material_base_list():
 def get_bom_parents():
     """获取所有已定义BOM的父件物料列表"""
     try:
-        subq = db.session.query(distinct(BomTable.parent_id)).subquery()
+        subq = db.session.query(BomTable.parent_id).distinct().subquery()
         parents = MaterialBase.query.join(subq, MaterialBase.id == subq.c.parent_id).all()
         data = [item.to_dict() for item in parents]
         return jsonify({

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

@@ -35,19 +35,11 @@
         </el-row>
 
         <el-row :gutter="20" style="margin-top:15px">
-          <el-col :span="12">
+          <el-col :span="24">
             <el-select v-model="selectedParentId" placeholder="选择 BOM 表" filterable style="width:100%" @change="onBomParentChange">
               <el-option v-for="item in bomParents" :key="item.id" :label="item.name" :value="item.id" />
             </el-select>
           </el-col>
-          <el-col :span="12" style="text-align:right">
-            <el-tooltip
-              content="将 BOM 子件对应的库存物料添加到出库选单，用于后续拣货出库"
-              placement="top"
-            >
-              <el-button type="primary" plain @click="addChildrenToSelection">添加子件到出库选单</el-button>
-            </el-tooltip>
-          </el-col>
         </el-row>
       </div>
 
@@ -431,39 +423,6 @@ const onBomParentChange = async (val: number) => {
   }
 }
 
-/**
- * 添加 BOM 子件到出库选单
- * 作用：根据当前选定的 BOM 父件，获取其子件列表，然后根据子件的 child_id 在库存中查找匹配的库存项，
- *       并将它们添加到出库选单（selectedItems）中，添加的数量受子件所需个数（dosage）的限制。
- *       每个子件会尝试添加 dosage 个库存项（每个库存项代表一个实物单位），若库存项不足则按实际数量添加。
- */
-const addChildrenToSelection = () => {
-  if (bomChildren.value.length === 0) {
-    ElMessage.warning('当前没有可添加的子件')
-    return
-  }
-  let addedCount = 0
-  for (const child of bomChildren.value) {
-    // 寻找匹配的库存项 (根据 base_id)
-    const matchingItems = allStockData.value.filter(item => item.base_id == child.child_id)
-    if (matchingItems.length > 0) {
-      const existingIds = selectedItems.value.map(s => s.id)
-      // 最多添加 dosage 个 (简单起见每个匹配项添加一个)
-      for (let i = 0; i < Math.min(child.dosage, matchingItems.length); i++) {
-        const stock = matchingItems[i]
-        if (!existingIds.includes(stock.id)) {
-          selectedItems.value.push(stock)
-          addedCount++
-        }
-      }
-    } else {
-      ElMessage.warning(`物料 ${child.child_name} 暂无库存`)
-    }
-  }
-  if (addedCount > 0) {
-    ElMessage.success(`已添加 ${addedCount} 个子件到选单`)
-  }
-}
 
 onMounted(async () => {
   fetchData()