200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_018x8p2y 72ms POST /ai/v1/search {} Idempotency-Key: _H62qvYeGTlP Send ▶> POST /ai/v1/session {}
< 200 OK req_018x8p2y 72ms POST /ai/v1/search {} Idempotency-Key: _H62qvYeGTlP Send ▶