curl --request POST \
  --url https://api.duvo.ai/v1/runs/{run_id}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "message": "<string>"
}
'

{
  "message": {
    "id": "<string>",
    "type": "<string>",
    "role": "<string>",
    "timestamp": "<string>",
    "text_content": "<string>"
  }
}