200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_012w4y8b 24ms POST /ai/v1/search {} Idempotency-Key: Ke91MuarNGKt Send ▶> POST /ai/v1/session {}
< 200 OK req_012w4y8b 24ms POST /ai/v1/search {} Idempotency-Key: Ke91MuarNGKt Send ▶