feat(desktop): implement phase 2 native capabilities

frontend/src/views/admin/ProjectDetail.vue

@@ -1954,6 +1954,7 @@ import {
   type SetupWorkflowTagMeta,
 } from "../../utils/setupPublishWorkflow";
 import { useSetupConfig } from "../../composables/useSetupConfig";
+import { saveFile } from "../../runtime";
 
 type SetupStepKey =
   | "project-info"
@@ -5174,7 +5175,7 @@ const buildExcelWorksheetXml = (
   return `<Worksheet ss:Name="${excelEscapeXml(sheetName)}"><Table>${metaXml}<Row/>${headerXml}${dataXml}</Table></Worksheet>`;
 };
 
-const downloadVersionRaw = (versionItem: StudySetupConfigVersionItem) => {
+const downloadVersionRaw = async (versionItem: StudySetupConfigVersionItem) => {
   if (!project.value) return;
   const displayVersion = getDisplayVersionLabel(versionItem.version);
   const branchName = versionItem.branch_name || "main";
@@ -5342,16 +5343,13 @@ ${buildExcelWorksheetXml("第6步-中心确认", metaRows, step6Headers, step6Ro
 </Workbook>`;
 
   const blob = new Blob([`\uFEFF${workbookXml}`], { type: "application/vnd.ms-excel;charset=utf-8;" });
-  const url = URL.createObjectURL(blob);
   const safeVersionLabel = displayVersion.replace(/[^\w.-]/g, "_");
   const filename = `setup-config-${safeVersionLabel}-${project.value.code || project.value.id}.xls`;
-  const link = document.createElement("a");
-  link.href = url;
-  link.download = filename;
-  document.body.appendChild(link);
-  link.click();
-  document.body.removeChild(link);
-  URL.revokeObjectURL(url);
+  await saveFile({
+    suggestedName: filename,
+    mimeType: "application/vnd.ms-excel;charset=utf-8",
+    data: blob,
+  });
 };
 
 const removeVersion = async (targetVersion: number) => {