Python PIL script generates a bug beetle icon with:
- Dark charcoal body with lighter shell highlight
- Green accent stripe across the wing casing
- Head with white eyes, two curved antennae with dot tips
- Six legs (3 per side)
- All 10 required macOS sizes (16..512 at @1x/@2x)
Run: python3 scripts/generate_app_icon.py
Co-Authored-By: Claude <noreply@anthropic.com>