200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01lxtx3v 27ms POST /ai/v1/search {} Idempotency-Key: UUVxBlr_3YQw Send ▶> POST /ai/v1/session {}
< 200 OK req_01lxtx3v 27ms POST /ai/v1/search {} Idempotency-Key: UUVxBlr_3YQw Send ▶