fix: BOM搜索子件名称+自动搜索防抖

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

@@ -240,7 +240,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, onMounted, computed, nextTick } from 'vue'
+import { ref, reactive, onMounted, computed, nextTick, watch } from 'vue'
 import { useRoute } from 'vue-router'
 import { ElMessage, ElMessageBox, FormInstance, FormRules } from 'element-plus'
 import { Plus, Search, EditPen } from '@element-plus/icons-vue'
@@ -289,6 +289,15 @@ const activeCategories = ref([]) // 默认全部展开
 const searchKeyword = ref('')
 const childSearchKeyword = ref('')
 
+// ★ 自动搜索：输入后 500ms 防抖触发搜索（无需回车）
+watch(searchKeyword, (val) => {
+  // 防抖：延迟 500ms 执行，避免频繁请求
+  clearTimeout((window as any)._bomSearchTimer)
+  ;(window as any)._bomSearchTimer = setTimeout(() => {
+    fetchBomList()
+  }, 500)
+})
+
 // ============================================================
 // 【改造】分页 + 远程搜索相关状态
 // ============================================================