200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01dt2uqw 27ms POST /ai/v1/search {} Idempotency-Key: ECfWxaBDR8Zn Send ▶> POST /ai/v1/session {}
< 200 OK req_01dt2uqw 27ms POST /ai/v1/search {} Idempotency-Key: ECfWxaBDR8Zn Send ▶