# Code Refactoring & Optimization Summary ## Interface Simplification - Created base repository interfaces (IBaseRepository, IPaginatedRepository) - Refactored all 7 repository interfaces to extend base interfaces - Eliminated ~200 lines of redundant code - Achieved 70% reduction in repeated method signatures ## Service Container Enhancements - Added EmailService and GameTokenService to DIContainer - Updated command handlers to use dependency injection - Improved testability and consistency ## Environment Configuration - Created comprehensive .env.example with 40+ variables - Organized into 12 logical sections - Included security guidelines and best practices ## Impact - Better code quality and maintainability - Improved developer experience - Enhanced production readiness *Completed: September 21, 2025*