200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00lwsn1v 20ms POST /ai/v1/search {} Idempotency-Key: Nb6KnNlLl2GE Send ▶> POST /ai/v1/session {}
< 200 OK req_00lwsn1v 20ms POST /ai/v1/search {} Idempotency-Key: Nb6KnNlLl2GE Send ▶