200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01ee3kh4 75ms POST /ai/v1/search {} Idempotency-Key: aEDKp12JBfy6 Send ▶> POST /ai/v1/session {}
< 200 OK req_01ee3kh4 75ms POST /ai/v1/search {} Idempotency-Key: aEDKp12JBfy6 Send ▶