I've cooked up a quick version of what I consider to be a somewhat cleaner UI for the new LIs. The main idea is to introduce tabs instead of displaying every slot at once. This leads to less scrolling and improves overall usability, while allowing SSG to reuse most of what's in place as of this BR preview.
Naming could obviously be improved. Anyway, let me know what you guys think:
https://lotro-ui-demo.web.app/
Cheers