There is not, that I’ve found, a place that lists links that do not yet exist. As someone who thinks nonlinearly, I’ll often add half a dozen links to a note to topics that need expanded upon, but when I try to find them there’s no way to work out definitively what I need to go back and flesh out.
+1 same here.
I just made a proposal for how this feature might work here:
there are a couple of plugins for this now.