200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01ykldc8 46ms POST /ai/v1/search {} Idempotency-Key: 9tAZkXR1m-iS Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01ykldc8 46ms POST /ai/v1/search {} Idempotency-Key: 9tAZkXR1m-iS Send ▶