That's good to hear it could be changed, understandable if it's lower priority of course.
Huh, I wasn't really aware of some bug going on regarding naming in penumbra, is it not fixed in testing? Mostly as I can't see it being referenced or it being known atm.
A valid mod already requires hs- appended to the front of a folder and a valid heliosphere.json inside containing three IDs for identification and is read in/out during download/fetching. This blob of IDs ends up making it tremendously long (+/-65~ extra characters) just for the folder name...