Replace app icons with new Clawdbot branding (lobster-in-phone-booth design) across iOS, Android, and macOS.
Changes:
- iOS: Updated all 14 icon sizes in AppIcon.appiconset (20px to 1024px)
- Android: Updated launcher icons for all density buckets (mdpi to xxxhdpi)
- macOS: Updated Icon.icon bundle and regenerated Clawdbot.icns
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
