200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00vn8q53 27ms POST /ai/v1/search {} Idempotency-Key: UwcyptPOqIe6 Send ▶> POST /ai/v1/session {}
< 200 OK req_00vn8q53 27ms POST /ai/v1/search {} Idempotency-Key: UwcyptPOqIe6 Send ▶