200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00ubsj8j 55ms POST /ai/v1/search {} Idempotency-Key: J6GY85FfTPVm Send ▶> POST /ai/v1/session {}
< 200 OK req_00ubsj8j 55ms POST /ai/v1/search {} Idempotency-Key: J6GY85FfTPVm Send ▶