This is true for desktop systems too. For example in Notion, I want a keyboard shortcut for copying links to blocks. Really, any "action" or "resource" should be shortcutable. Could we encode this into a UI framework?

Consider github build status badges. This usually points to some external resource that returns a true or a false depending on the status of that build. What if this applied to every kind of resource on the internet. So for example we could take the status of a slack channel and paste it into any document, and it will always stay up to date.

Another idea would be, when you hold CMD and hover over some button, it would show the shortcut for that thing.