Hi MindSet,

re:
> Could we designate specific preset hatching options to various faces selectively?

Probably not for now at least. Maybe in the future it could be a property of styles.


> Might they generate into different styles so that they remain selectable as layers in Affinity Designer?

Yes I think there will be a new entry in the Line style options dialog where you can currently set up how Visible lines, Outlines, Silhouettes, Hidden lines, and Annotations are organized in the output.

- Michael