200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0037h11t 64ms POST /ai/v1/search {} Idempotency-Key: KRPY6gflxNl6 Send ▶> POST /ai/v1/session {}
< 200 OK req_0037h11t 64ms POST /ai/v1/search {} Idempotency-Key: KRPY6gflxNl6 Send ▶