(Milad Tower landmark in map center with 5-stage progressive destruction and permanent ruins; battle scars — craters, scorch marks, vehicle wrecks and real-mesh debris; tank track decals, blood stains, explosion and rotor dust; bio-weapon virus system with cure/antidote; NPC bot v2 — rebuilds, base defense, scouting, target priority; fog-of-war performance x8; attack-ground fire rate and tank behavior fixes; infection spread limited to one generation; log spam removed)