200 OK — session open
> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00s3rpdv 73ms POST /ai/v1/search {} Idempotency-Key: XV-XOWUqWp8Q Send ▶> POST /ai/v1/session {"source": "bobw"}
< 200 OK req_00s3rpdv 73ms POST /ai/v1/search {} Idempotency-Key: XV-XOWUqWp8Q Send ▶