200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01pj3mfy 20ms POST /ai/v1/search {} Idempotency-Key: 1bargD72fCCS Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01pj3mfy 20ms POST /ai/v1/search {} Idempotency-Key: 1bargD72fCCS Send ▶