Background info:
It’s currently possible to see a preview of an internal link by hovering over it with the mouse, but there’s no keyboard shortcut for this (at least a I haven’t found one…).
Desired outcome:
Add a keyboard shortcut for displaying the preview of the internal link of the currently selected list item.
PS. If the list item contains multiple internal links, maybe display a dialog similar to the “Open all links from selection”?
Other:
This idea will probably be obsolete if you decide to implement the following two other ideas (which are much better):