200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01e8zo1u 87ms POST /ai/v1/search {} Idempotency-Key: Lg5JRugOcg9r Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01e8zo1u 87ms POST /ai/v1/search {} Idempotency-Key: Lg5JRugOcg9r Send ▶