200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01xdg8ck 25ms POST /ai/v1/search {} Idempotency-Key: 8Y6EkfXBJgIN Send ▶> POST /ai/v1/session {}
< 200 OK req_01xdg8ck 25ms POST /ai/v1/search {} Idempotency-Key: 8Y6EkfXBJgIN Send ▶