ChiFS update: The Share implementation is in a perfectly usable state (not "finished" by any means, but it does what it needs to do), and I'm about to start working on a Hub implementation soon.
Meanwhile I'm still working out a few details here and there: What file metadata to include, private communities, and whether disclosing file modification times is worth the potential privacy risk.
So, making progress, feedback welcome.
Welcome to your niu world ! We are a cute and loving international community Ｏ(≧▽≦)Ｏ !