feat: completely rewrite SorobanQuiz memory game with advanced features
- Complete rewrite from basic implementation to sophisticated memory game - Add five progressive difficulty levels (Beginner to Expert) with custom number ranges - Implement keypress-only input system (no text fields, pure game experience) - Add visual card grid with 3D flip animations using ServerSorobanSVG components - Create explosion animations for wrong guesses with scale/rotate/fade effects - Add smart input validation with prefix detection and immediate wrong guess feedback - Implement race condition prevention in card display sequence - Ensure no duplicate numbers in quiz sets with fallback generation - Add proper state management using useReducer pattern - Include comprehensive game phases: Setup → Display → Input → Results - Add guess limiting system with visual feedback when out of guesses - Integrate authentic soroban rendering using existing ServerSorobanSVG component 🧮 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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