For myself at least, there's no way I'd stick with this over the long run given the overhead of hand-editing an HTML file (however quick and simple) every time

For myself at least, there's no way I'd stick with this over the long run given the overhead of hand-editing an HTML file (however quick and simple) every time I needed to add an item to a collection. Seems like an ideal use for a very simple DIY static-site generator. Write it in Bash or Perl and it will be future-proofed forever.