How to automatically _number_ sheets?

The Sheetset Setup dialog accessed via BIM Project Browser has a Configuration tab to set the sheet numbering scheme for different section types.

However, when sheets are generated, the prefix and number values, e.g., A-400, get assigned to the sheet title property, instead of sheet number.

How do I get these values to be assigned to the sheet number property, instead? After all, the SHEETNR attribute in the generic title block provided with the default sheet templates refers, logically, to CurrentSheetNumber, but does not display the BIM-generated number because it is obviously in the wrong field.

More generally, it would be useful to expand the functionality of the Sheetset Setup categories table, and to be able to edit all (default and custom) sheet properties from the Project Browser, not only before but also after sheets get created.