200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00pb8ys8 87ms POST /ai/v1/search {} Idempotency-Key: LL0hLn2r2vAE Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00pb8ys8 87ms POST /ai/v1/search {} Idempotency-Key: LL0hLn2r2vAE Send ▶