200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_010t9r39 81ms POST /ai/v1/search {} Idempotency-Key: jP9PPzjW4MVU Send ▶> POST /ai/v1/session {}
< 200 OK req_010t9r39 81ms POST /ai/v1/search {} Idempotency-Key: jP9PPzjW4MVU Send ▶