200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xhyoi1 40ms POST /ai/v1/search {} Idempotency-Key: oaL96AnoW4Il Send ▶> POST /ai/v1/session {}
< 200 OK req_00xhyoi1 40ms POST /ai/v1/search {} Idempotency-Key: oaL96AnoW4Il Send ▶