200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01pg4s13 22ms POST /ai/v1/search {} Idempotency-Key: uGdC8vAJPjvU Send ▶> POST /ai/v1/session {}
< 200 OK req_01pg4s13 22ms POST /ai/v1/search {} Idempotency-Key: uGdC8vAJPjvU Send ▶