[GET]
summary = "进程插件示例：下载文件为 base64（经 Zenoh 从 Minio 读取）"
subject = "demo.storage.download_bytes"
params = ["object_key: str"]
auth_required = false

[GET.response_model]
object_key = { type = "str", required = true }
data_b64 = { type = "str", required = true }
size = { type = "int", required = true }
timestamp = { type = "float", required = true }