- Change Theme enum from Int to String raw values to fix theme selection bug
- Replace OnboardingStyle icon/color pickers with unified AppTheme grid
- Remove visible text labels from voting layouts while keeping accessibility labels (WCAG 2.1 AA compliant)
- Update widget voting views to use icons only with proper accessibility support
- Consolidate app icons to single unified icon set
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
