curl --request GET \
  --url 'http://localhost:8000/training/{training_id}' \
  --header 'Authorization: Bearer YOUR_API_KEY'

{
  "training_id": "string",
  "status": "string",
  "created_at": "2026-07-24T12:00:00Z",
  "started_at": "2026-07-24T12:00:00Z",
  "completed_at": "2026-07-24T12:00:00Z",
  "progress": 1,
  "current_episode": 1,
  "total_episodes": 1,
  "metrics": {},
  "error": "string",
  "config": {}
}