200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00pitzt9 44ms POST /ai/v1/search {} Idempotency-Key: 1Wz_TDprgspu Send ▶> POST /ai/v1/session {}
< 200 OK req_00pitzt9 44ms POST /ai/v1/search {} Idempotency-Key: 1Wz_TDprgspu Send ▶