200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0081stfp 72ms POST /ai/v1/search {} Idempotency-Key: nE3OnmiD0Wv_ Send ▶> POST /ai/v1/session {}
< 200 OK req_0081stfp 72ms POST /ai/v1/search {} Idempotency-Key: nE3OnmiD0Wv_ Send ▶