200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_0198i1k8 70ms POST /ai/v1/search {} Idempotency-Key: PoBtakJOA13I Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_0198i1k8 70ms POST /ai/v1/search {} Idempotency-Key: PoBtakJOA13I Send ▶