Actually in light of what you have shown me, I see that the hive.link software well but the way personal.community works breaks certain things.
How personal.community handles URLs is not the same as the URLs are handled elsewhere in the hive ecosystem. If you take this post we have
Between any of these above sites relative links will work perfectly. You can have a relative link like this one which will open the parent of this comment anywhere but at the same site except for https://personal.community. I wonder whether @sn0n uses Apache for his work. I'd have a configuration file to share.