200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_00xds4gb 90ms POST /ai/v1/search {} Idempotency-Key: vD1UJmQ9tp8c Send ▶> POST /ai/v1/session {}
< 200 OK req_00xds4gb 90ms POST /ai/v1/search {} Idempotency-Key: vD1UJmQ9tp8c Send ▶