What works in practice wouldn't be held up in an audit. Depending on the mood of your approving agent they can deny the whole application if you mention specific interface words.

You'd be better off creating and Irap project to cover UI and business logic items. IRAP is out of the same government fund but pays slightly less for a project as you go, not one lump at the end of the year.

IRAP and SRED are mutually exclusive but if you spend time thinking about it you'd be able to decide work to fit into both nicely.