200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_004j2tjo 60ms POST /ai/v1/search {} Idempotency-Key: F2AbXMnK5WuF Send ▶> POST /ai/v1/session {}
< 200 OK req_004j2tjo 60ms POST /ai/v1/search {} Idempotency-Key: F2AbXMnK5WuF Send ▶