200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00tj153s 20ms POST /ai/v1/search {} Idempotency-Key: 6tqpXwGMNns9 Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00tj153s 20ms POST /ai/v1/search {} Idempotency-Key: 6tqpXwGMNns9 Send ▶