task-67(ASIN 数据中心): 实现去重汇总删除导入流程

dedupe-import-model.ts 增 importOutcomeText 各状态可读文案(pending/running/success/failed)；
dedupe-import-api.ts 增 startDedupeDeleteImport POST /delete-import 与
fetchDedupeDeleteImportProgress GET /delete-import/{id}，复用导入进度解析。
8 用例全过，491 单测 + build 绿。

admin-frontend-vue/src/pages/asin/dedupe-import-api.ts

@@ -3,6 +3,7 @@ import { http } from '@/api/http'
 import { parseDedupeImportProgress, parseDedupeImportStart, type DedupeImportProgress } from './dedupe-import-model'
 
 export const DEDUPE_IMPORT_ENDPOINT = '/api/admin/dedupe-total-data/import'
+export const DEDUPE_DELETE_IMPORT_ENDPOINT = '/api/admin/dedupe-total-data/delete-import'
 
 export async function startDedupeImport(file: File, groupId: number): Promise<string> {
   const form = new FormData()
@@ -17,3 +18,18 @@ export async function fetchDedupeImportProgress(importId: string): Promise<Dedup
   const { data } = await http.get<unknown>(`${DEDUPE_IMPORT_ENDPOINT}/${importId}`)
   return parseDedupeImportProgress(data)
 }
+
+/** 删除导入启动：multipart POST /delete-import(file+groupId) → importId。 */
+export async function startDedupeDeleteImport(file: File, groupId: number): Promise<string> {
+  const form = new FormData()
+  form.append('file', file, file.name)
+  form.append('groupId', String(groupId))
+  const { data } = await http.post<unknown>(DEDUPE_DELETE_IMPORT_ENDPOINT, form)
+  return parseDedupeImportStart(data)
+}
+
+/** 查询删除导入进度：GET /delete-import/{importId}。 */
+export async function fetchDedupeDeleteImportProgress(importId: string): Promise<DedupeImportProgress> {
+  const { data } = await http.get<unknown>(`${DEDUPE_DELETE_IMPORT_ENDPOINT}/${importId}`)
+  return parseDedupeImportProgress(data)
+}