200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01k0evw6 61ms POST /ai/v1/search {} Idempotency-Key: gb-YpUv-HN3X Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_01k0evw6 61ms POST /ai/v1/search {} Idempotency-Key: gb-YpUv-HN3X Send ▶