增加公共下载进度、增加接收SKU、密钥分别存放

frontend-vue/src/pages/brand/components/BrandPriceTrackTab.vue

@@ -266,6 +266,7 @@ import { expandBrandFolderRecursive } from '@/shared/api/brand'
 import { getPywebviewApi, type UploadedJavaFile } from '@/shared/bridges/pywebview'
 import { getTaskPollIntervalMs } from '@/shared/task-progress-config'
 import { createCategorizedTimers } from '@/shared/utils/categorized-timers'
+import { saveUrlWithProgress } from '@/shared/utils/download-progress'
 import {
   addPriceTrackCandidate,
   completePriceTrackLoopChild,
@@ -1604,14 +1605,9 @@ function canDownload(item: PriceTrackHistoryItem) {
 
 async function downloadResult(item: PriceTrackHistoryItem) {
   if (!item.resultId) return
-  const api = getPywebviewApi()
   const filename = item.outputFilename || `${item.shopName || 'result'}.xlsx`
-  if (!api?.save_file_from_url_new) {
-    ElMessage.error('当前客户端未提供 save_file_from_url_new，无法下载文件')
-    return
-  }
   const url = getPriceTrackResultDownloadUrl(item.resultId)
-  const result = await api.save_file_from_url_new(url, filename)
+  const result = await saveUrlWithProgress(url, filename, `price-track:${item.resultId}`)
   if (result.success) {
     ElMessage.success(`已保存：${result.path || filename}`)
   } else if (result.error && result.error !== '用户取消') {