Can you tell what's the usecase for creating FUSE for dokuwiki? Basically, dokuwiki is just a bunch of text files so wouldn't it be simpler and more efficient to e.g. mount them as NFS or share via Dropbox/Syncthing?
I was forced to use the dokuwiki, but I very much disliked editing stuff in the web interface. Having a filesystem interface to the wiki system allowed me to create and edit pages using vim , which I like to use for writing.