200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_005i52ax 64ms POST /ai/v1/search {} Idempotency-Key: HZRGIR5uFzXW Send ▶> POST /ai/v1/session {}
< 200 OK req_005i52ax 64ms POST /ai/v1/search {} Idempotency-Key: HZRGIR5uFzXW Send ▶