Implements Task 3 from Bible Reader 2025 plan:
- Created lib/reading-preferences.ts with 4 presets (default, dyslexia, highContrast, minimal)
- Implemented loadPreferences/savePreferences using localStorage
- Added getCSSVariables for dynamic styling
- Created ReadingView component with full mobile responsiveness
- Touch interaction: tap top third shows header, bottom third toggles controls
- Verse text is clickable with hover effects
- Navigation controls (prev/next chapter, settings button)
- Created test file for preferences
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Co-Authored-By: Claude <noreply@anthropic.com>