200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00e34za1 60ms POST /ai/v1/search {} Idempotency-Key: jTN3DfjSmEvJ Send ▶> POST /ai/v1/session {}
< 200 OK req_00e34za1 60ms POST /ai/v1/search {} Idempotency-Key: jTN3DfjSmEvJ Send ▶