200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01uvv1w7 34ms POST /ai/v1/search {} Idempotency-Key: Vr-LcFtSkryv Send ▶> POST /ai/v1/session {}
< 200 OK req_01uvv1w7 34ms POST /ai/v1/search {} Idempotency-Key: Vr-LcFtSkryv Send ▶