MODDING
- action point display on main HUD now supports values up to 999, will switch to 3-digit version if any squad member has 70+ AP
- two new DerivedStats added: actionPointCarryover and actionPointReserve; these control how many leftover action points spill over to the next turn
- actionPointCarryover: percentage of remaining action points that can be retained to the next turn, capped by actionPointReserve, default 50%
- actionPointReserve: maximum amount of action points that can be added on the next turn, default 2