200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01kkprsg 66ms POST /ai/v1/search {} Idempotency-Key: Q-G_zUSl2aw6 Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01kkprsg 66ms POST /ai/v1/search {} Idempotency-Key: Q-G_zUSl2aw6 Send ▶