feat: 添加下载进度条

src/components/equipments/MotherBoardCaps.vue

@@ -24,7 +24,6 @@
     <UploadCard
       :exam-id="props.examId"
       :upload-event="eqps.jtagUploadBitstream"
-      :download-event="handleDownloadBitstream"
       :bitstream-file="eqps.jtagBitstream"
       @update:bitstream-file="handleBitstreamChange"
     >
@@ -128,11 +127,6 @@ function handleBitstreamChange(file: File | undefined) {
   eqps.jtagBitstream = file;
 }
 
-async function handleDownloadBitstream(bitstreamId: number): Promise<boolean> {
-  console.log("开始下载比特流，ID:", bitstreamId);
-  return await eqps.jtagDownloadBitstream(bitstreamId);
-}
-
 function handleSelectJtagSpeed(event: Event) {
   const target = event.target as HTMLSelectElement;
   eqps.jtagSetSpeed(target.selectedIndex);