200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01lsevl4 72ms POST /ai/v1/search {} Idempotency-Key: 26YwM18Ml5p3 Send ▶> POST /ai/v1/session {}
< 200 OK req_01lsevl4 72ms POST /ai/v1/search {} Idempotency-Key: 26YwM18Ml5p3 Send ▶