fix(backups): подтверждать операции в текущем контексте

shared/api/backups.ts

@@ -77,3 +77,10 @@ export async function testBackupStorage(baseUrl: string, options?: RequestInit)
 export async function syncBackupsFromStorage(baseUrl: string, options?: RequestInit) {
   return syncBackupsResponseSchema.parse(await backupJson(baseUrl, "/api/backups/storage/sync", { ...options, method: "POST" }))
 }
+
+export async function downloadBackup(baseUrl: string, id: string, options?: RequestInit) {
+ const response = await requestBlob(baseUrl, "/api/backups/" + encodeURIComponent(id) + "/download", backupOptions({ ...options, method: "GET" }))
+ const type = response.headers.get("Content-Type")?.split(";")[0].trim().toLowerCase()
+ if (type !== "text/plain" && type !== "application/octet-stream") throw new Error("Файл резервной копии не подтверждён API")
+ return response.blob()
+}