200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_009dpdc7 83ms POST /ai/v1/search {} Idempotency-Key: OmRGvrWyYDoW Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_009dpdc7 83ms POST /ai/v1/search {} Idempotency-Key: OmRGvrWyYDoW Send ▶