200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xryytd 43ms POST /ai/v1/search {} Idempotency-Key: b_Kf5g3fXo-8 Send ▶> POST /ai/v1/session {}
< 200 OK req_00xryytd 43ms POST /ai/v1/search {} Idempotency-Key: b_Kf5g3fXo-8 Send ▶