I'd really like to have the chance to assign specific TOE formations by Peoples group for the AI to use in random games.
Basically assigning TOE formations for the AI to produce through the editor. Maybe specifying priority as well, to have the AI keep realistic amount of infantry, armored or special divisions.
Something I've noticed playing the base game and the Four Seasons mod is that the AI plays very well early on in the game, pulling off good maneuver warfare and hitting weakpoints, and they manage to do it mostly because the predefined formations spawned in with the game world are balanced enough with early player-made formations.
After the player has stabilized the front and ramped up production, it becomes a matter of time before they can win the game, as the AI just cannot produce formations that are able to withstand those of the player. Most of the times in fact, it just starts bunching up large numbers of infantry supported by a very meager amount of tanks or artillery, rarely both. These formations are terrible in the attack, and just as much in defense.