I import nodes and set that node author as an import field. If that user doesn't exist, it rejects the entry. Is it possible somehow to add that imported name as the user even if it doesn't exist? And it show that user as the author but of course the node wouldn't show a clickable link to the user's profile (since it doesn't exist).

This way, I could import the nodes and then, in the future, should I get that user setup with that name, the nodes would become theirs (clickable to their profile).

Because as it is now, to ensure all data gets imported, I have to make sure users exist for all data...and make sure the user name is spelled right.

It'd be even nicer if, after the import happens, there is some sort of report that shows unassigned nodes that you could easily edit the node owner name