200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00cai3je 71ms POST /ai/v1/search {} Idempotency-Key: M22jHAO_fmqa Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00cai3je 71ms POST /ai/v1/search {} Idempotency-Key: M22jHAO_fmqa Send ▶