🐑 Audio

- Fixed sheep sounds being audible across the entire map; now fades naturally with distance

- Night BGM volume reduced by 40%

🚶 Pathfinding & Movement

- Fixed units getting permanently stuck on buildings or other units; now auto-repaths after 0.3s

- Added soft repulsion between units to prevent complete overlap

- Removed RVO avoidance to prevent crowding jams

⚙️ Rendering

- Switched rendering backend to DirectX 12, fixing rare GPU crashes in OpenGL compat mode

- Texture VRAM usage optimized (500MB → 130MB)