200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01tb2ts9 89ms POST /ai/v1/search {} Idempotency-Key: gzM6lU9oDaOS Send ▶> POST /ai/v1/session {}
< 200 OK req_01tb2ts9 89ms POST /ai/v1/search {} Idempotency-Key: gzM6lU9oDaOS Send ▶