200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00yldds7 38ms POST /ai/v1/search {} Idempotency-Key: Pw1gi1Pld8X2 Send ▶> POST /ai/v1/session {}
< 200 OK req_00yldds7 38ms POST /ai/v1/search {} Idempotency-Key: Pw1gi1Pld8X2 Send ▶