200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00vc6jhu 20ms POST /ai/v1/search {} Idempotency-Key: R1Lk_MEiF-xn Send ▶> POST /ai/v1/session {}
< 200 OK req_00vc6jhu 20ms POST /ai/v1/search {} Idempotency-Key: R1Lk_MEiF-xn Send ▶