200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01mt1tw3 75ms POST /ai/v1/search {} Idempotency-Key: YEzm9csHDaKv Send ▶> POST /ai/v1/session {}
< 200 OK req_01mt1tw3 75ms POST /ai/v1/search {} Idempotency-Key: YEzm9csHDaKv Send ▶