200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01o5x2ab 37ms POST /ai/v1/search {} Idempotency-Key: 1FJ3eyiYX1Ix Send ▶> POST /ai/v1/session {}
< 200 OK req_01o5x2ab 37ms POST /ai/v1/search {} Idempotency-Key: 1FJ3eyiYX1Ix Send ▶