Feature Request: Automatically Lock Post Editing

The original release thread: Locking Posts (preventing users from undoing staff edits)

I’ve searched through meta.discourse to see if there was such a requested mentioned, but I could not find it. Just like automatically locking threads after a certain time under category settings, I’d like to request the same feature, except for locking post edits. In my forums itself, I have certain categories that demand that no post can be edited without a moderator approval. This is regarding a roleplaying group where certain regulations have been placed by users and should not be able to be changed overtime.

There already is an post edit window setting, but it applies globally.