200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00y1w4l9 53ms POST /ai/v1/search {} Idempotency-Key: FPblZGf6eRxy Send ▶> POST /ai/v1/session {}
< 200 OK req_00y1w4l9 53ms POST /ai/v1/search {} Idempotency-Key: FPblZGf6eRxy Send ▶