If you enable any Snippet, it automatically invalidates SXG in that route. Doesn’t matter what is in the snippet code. Even if the snippet is not messing with headers or anything that could invalidate SXG, it still does. The simple fact that a snippet is enabled for a path, makes SXG invalid in that route.
Since we are using the Pro plan, there is no channel for us to report this to the Cloudflare team. Is there an official representative available here in the community who can escalate this issue to someone higher up?