while it's not a great solution, a seperate local comment-system that's loaded from your template might be your best bet.
i remember someone linking isso[0] some time ago; haven't used it at all, but it came to mind (mostly because of the 'big data' comment on the landing page)
i remember someone linking isso[0] some time ago; haven't used it at all, but it came to mind (mostly because of the 'big data' comment on the landing page)
[0] https://posativ.org/isso/