200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0153mrup 29ms POST /ai/v1/search {} Idempotency-Key: 15ZFg9AodmJL Send ▶> POST /ai/v1/session {}
< 200 OK req_0153mrup 29ms POST /ai/v1/search {} Idempotency-Key: 15ZFg9AodmJL Send ▶