BomManage: 增删改刷新保留折叠状态，搜索时才重置 activeCategories

inventory-web/src/views/bom/BomManage.vue

@@ -10,11 +10,11 @@
                 placeholder="搜索 编号/名称/规格/子件..."
                 style="width: 300px; margin-right: 10px;"
                 clearable
-                @clear="fetchBomList"
-                @keyup.enter="fetchBomList"
+                @clear="handleSearch"
+                @keyup.enter="handleSearch"
             >
               <template #append>
-                <el-button :icon="Search" @click="fetchBomList" />
+                <el-button :icon="Search" @click="handleSearch" />
               </template>
             </el-input>
             <el-button @click="activeCategories = bomGroups.map((g: any) => g.category)" size="small" style="margin-right: 6px;">全部展开</el-button>
@@ -463,13 +463,17 @@ const rules = reactive<FormRules>({
 
 const dialogTitle = ref('新建 BOM')
 
+const handleSearch = () => {
+  activeCategories.value = []  // 用户主动搜索时重置折叠状态
+  fetchBomList()
+}
+
 const fetchBomList = async () => {
   loading.value = true
   try {
     const res = await getBomList({ keyword: searchKeyword.value })
     if (res.code === 200) {
       bomGroups.value = res.data
-      activeCategories.value = []
     }
   } finally { loading.value = false }
 }