200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01mgu8jk 43ms POST /ai/v1/search {} Idempotency-Key: o1h7urRZ15HZ Send ▶> POST /ai/v1/session {}
< 200 OK req_01mgu8jk 43ms POST /ai/v1/search {} Idempotency-Key: o1h7urRZ15HZ Send ▶