200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01wgt7xv 19ms POST /ai/v1/search {} Idempotency-Key: FnE0iV-7UeAS Send ▶> POST /ai/v1/session {}
< 200 OK req_01wgt7xv 19ms POST /ai/v1/search {} Idempotency-Key: FnE0iV-7UeAS Send ▶