url is a short-lived presigned download link, minted fresh on every
GET /v1/async-consults/{id}/messages read — fetch promptly, never
persist the URL (persist the bytes if you need them). Webhook payloads
omit url; re-read the message endpoint to download.
One stored attachment on an async message.
urlis a short-lived presigned download link, minted fresh on everyGET /v1/async-consults/{id}/messagesread — fetch promptly, never persist the URL (persist the bytes if you need them). Webhook payloads omiturl; re-read the message endpoint to download.