Upload raw bytes for the same owner / 同账户上传原始文件

Use the returned path under this API prefix, same owner, token, MIME and exact byte count. Completed token replay returns the existing asset. 10-minute credential; this is authenticated Worker streaming, not R2 presigned upload. / 使用预留返回的路径、相同账户、令牌、类型和字节数。完成后的令牌重放返回原素材；凭证有效期10分钟。