It's been years since I've written in python, but I upgraded my iPhone to iOS 13 and noticed in the Shortcuts App that you can execute a pythonista script. I have several ideas on what I want to write but need to spend some time writing basic apps again to get used to how the coding flow.
Hm, it seems that the feed only contains the latest post in each thread. Any replies before that are not in the feed. At least I'll notice when there are new replies, but I still need to check my "inbox" manually to follow the entire discussion.