[Roman]

If you like historical rigor make generated campaigns. There you can simulate a theater of operations, with a time limit.
I never did but maybe you can have more points and then make the necessary updates. Bone did not use all the points at the beginning. Even if you do well in the first battles, you get the points.
Thinking out loud .... It is very difficult to implement an option similar to the one in the scenario editor to change the characteristics of the units? I think that option was the key "d ".