200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01qru8z7 47ms POST /ai/v1/search {} Idempotency-Key: u9ckrhSMDN6E Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01qru8z7 47ms POST /ai/v1/search {} Idempotency-Key: u9ckrhSMDN6E Send ▶