200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01qoby9e 75ms POST /ai/v1/search {} Idempotency-Key: 7ruOU2bRq8Z0 Send ▶> POST /ai/v1/session {}
< 200 OK req_01qoby9e 75ms POST /ai/v1/search {} Idempotency-Key: 7ruOU2bRq8Z0 Send ▶