200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01d1gh1t 77ms POST /ai/v1/search {} Idempotency-Key: vadgzwSd3POF Send ▶> POST /ai/v1/session {}
< 200 OK req_01d1gh1t 77ms POST /ai/v1/search {} Idempotency-Key: vadgzwSd3POF Send ▶