Often while I am working on a new card in the Add window, I browse cards and decide to copy one, which discards my current input.
Ideally when clicking “Create Copy…” while there is input in the Add window, there would be a warning (similar to the warning given when closing the Add window with nonempty input) that could say something like “Discard current input?” [Discard and Create Copy] [Keep Editing]. Thanks for your consideration.