200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01lqaw72 72ms POST /ai/v1/search {} Idempotency-Key: 7Y1EnBpQZZb3 Send ▶> POST /ai/v1/session {}
< 200 OK req_01lqaw72 72ms POST /ai/v1/search {} Idempotency-Key: 7Y1EnBpQZZb3 Send ▶