fix: BOM草稿模块缺陷修复（事务回滚 + 外键约束 + 前端状态清理）

inventory-web/src/api/bom.ts

@@ -42,3 +42,22 @@ export function deleteBom(bomNo: string, version: string) {
         method: 'delete'
     })
 }
+
+// ==========================================
+// BOM 草稿相关接口
+// ==========================================
+
+// 1. 暂存草稿
+export function saveDraft(data: any) {
+  return request({ url: '/v1/bom/draft/save', method: 'post', data })
+}
+
+// 2. 读取草稿详情
+export function getDraftDetail(params: { bom_no: string; version?: string }) {
+  return request({ url: '/v1/bom/draft/detail', method: 'get', params })
+}
+
+// 3. 发布草稿
+export function publishDraft(data: { bom_no: string; version: string }) {
+  return request({ url: '/v1/bom/draft/publish', method: 'post', data })
+}