200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01l4alv5 29ms POST /ai/v1/search {} Idempotency-Key: 8eJzh_j5Zs1N Send ▶> POST /ai/v1/session {}
< 200 OK req_01l4alv5 29ms POST /ai/v1/search {} Idempotency-Key: 8eJzh_j5Zs1N Send ▶