Crater terrain will be generated in areas subjected to prolonged artillery bombardment
Trenches now have durability and can be damaged by artillery fire
Added validation checks for save names when renaming save files
Fixed an issue where craters could be reduced after loading
Fixed an issue where facilities could not be constructed on cleared forest tiles
Fixed an error popup when vehicles awaiting repair were removed
Adjusted visual presentation of some UI elements
Optimized the visual effects of fallen leaves on the ground
