200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01qlgrfz 39ms POST /ai/v1/search {} Idempotency-Key: L8TyZJ4nFL6F Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01qlgrfz 39ms POST /ai/v1/search {} Idempotency-Key: L8TyZJ4nFL6F Send ▶