200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01u33hpq 36ms POST /ai/v1/search {} Idempotency-Key: GU1dn6Dyk7ls Send ▶> POST /ai/v1/session {}
< 200 OK req_01u33hpq 36ms POST /ai/v1/search {} Idempotency-Key: GU1dn6Dyk7ls Send ▶