200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01t1tkzx 53ms POST /ai/v1/search {} Idempotency-Key: KUJcEJHUcw4c Send ▶> POST /ai/v1/session {}
< 200 OK req_01t1tkzx 53ms POST /ai/v1/search {} Idempotency-Key: KUJcEJHUcw4c Send ▶