Posts could show both under the article (like "normal" comments) and for aggregated discussion on Bluesky / any other app that renders Bluesky posts.
And you'd get "free" moderation (at least for basic stuff) from the Bluesky mod team.
I was inspired by that and wrote up my experience integrating with my Hugo based blog here: https://brojonat.com/posts/bluesky-hugo-comments/