I cannot do anything about the problem I’m going to describe.
Okay, so I write here, and the article is put out automatically in the fediverse. So far so good.
You read my article in the fediverse, and you reply to my article in the fediverse. Your comment shows up here. So far so good.
Then I reply to your comment here, and you don’t get my response. That’s a problem.
I do not know any way to fix this neatly. Yes, I’ve reported it, but it is not implemented yet.