When adding an existing novel, it would help to be able to import characters and locations from a list rather than enter/paste each one individually.
A list of characters and/or locations for this purpose can be easily extracted from an existing work using an AI (e.g. Claude).
This may be slightly similar to the Notion Integration feature request (https://feedback.novelcrafter.com/feedback/p/notion-integration), but could easily help people who don't use Notion. (I do use Notion a lot, but even so, a plain text file or similar might still be easier.