200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_0073ag1s 72ms POST /ai/v1/search {} Idempotency-Key: E9uS6AmG0VK1 Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_0073ag1s 72ms POST /ai/v1/search {} Idempotency-Key: E9uS6AmG0VK1 Send ▶