200 OK — session open
> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_011pm892 42ms POST /ai/v1/search {} Idempotency-Key: 1YBrKFdamHd9 Send ▶> POST /ai/v1/session {"source": "baliano"}
< 200 OK req_011pm892 42ms POST /ai/v1/search {} Idempotency-Key: 1YBrKFdamHd9 Send ▶