200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xdr8w4 51ms POST /ai/v1/search {} Idempotency-Key: LCY2U_rJd0Gx Send ▶> POST /ai/v1/session {}
< 200 OK req_00xdr8w4 51ms POST /ai/v1/search {} Idempotency-Key: LCY2U_rJd0Gx Send ▶