Reference data for the role and status fields returned by the message endpoints.

Roles

Role	Description
`user`	Messages sent by the API caller (your prompts)
`assistant`	Responses from the agent
`system`	System notifications, including error messages from nairid
`progress`	Intermediate streaming events emitted by the agent. The `content` field is a JSON envelope (`{"job_id":"...","progress_type":"text","text_delta":"..."}`). Most callers can skip these.

Statuses

Status	Description
`queued`	Message is waiting to be processed (no agent available yet)
`pending`	Message is being processed by an agent
`completed`	Message has been processed successfully
`failed`	Message processing failed. Check for a sibling system message for details.