200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00ug7wm4 54ms POST /ai/v1/search {} Idempotency-Key: nmFkaJNW4M0X Send ▶> POST /ai/v1/session {}
< 200 OK req_00ug7wm4 54ms POST /ai/v1/search {} Idempotency-Key: nmFkaJNW4M0X Send ▶