200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_009rs6gt 29ms POST /ai/v1/search {} Idempotency-Key: 1rsH-UYkEwgz Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_009rs6gt 29ms POST /ai/v1/search {} Idempotency-Key: 1rsH-UYkEwgz Send ▶