200 OK — session open
> POST /ai/v1/session {"source": "dan"}
< 200 OK req_01l9mxbn 46ms POST /ai/v1/search {} Idempotency-Key: T1ZCIxXi8xBi Send ▶> POST /ai/v1/session {"source": "dan"}
< 200 OK req_01l9mxbn 46ms POST /ai/v1/search {} Idempotency-Key: T1ZCIxXi8xBi Send ▶