200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_0019up1k 72ms POST /ai/v1/search {} Idempotency-Key: Bj8vxYYsgXAP Send ▶> POST /ai/v1/session {}
< 200 OK req_0019up1k 72ms POST /ai/v1/search {} Idempotency-Key: Bj8vxYYsgXAP Send ▶