200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xzdaww 90ms POST /ai/v1/search {} Idempotency-Key: vgY5Vcnf6qIC Send ▶> POST /ai/v1/session {}
< 200 OK req_00xzdaww 90ms POST /ai/v1/search {} Idempotency-Key: vgY5Vcnf6qIC Send ▶