Nova - Daily Word Puzzle

We've been listening to your feedback and made Nova even better! This update includes major improvements to reliability, user experience, and game quality. Added Nova Mines and Circuit Flip games! We also added a way to play old puzzles. Keep your streak going! ** Bug Fixes** • Fixed a critical bug where some puzzles could show 6-letter words (like "STROVE") - all puzzles now correctly use 5-letter words only • Improved score submission reliability with better error handling • Fixed UI inconsistencies across Circuit Flip, Nova Mines, and Retro Vault ** Network & Reliability** • Added smart network monitoring - scores automatically retry when connection is restored • Better offline handling with clear status indicators • Improved error messages so you always know what's happening ** User Experience** • Pull-to-refresh on groups and leaderboards for instant updates • Enhanced empty states with friendly messages • Improved keyboard handling - tap outside to dismiss • Better loading indicators throughout the app • Username validation for smoother account setup ** Game Improvements** • Consistent button styling across all games • Fixed Retro Vault empty state display • Improved Circuit Flip button layout • Better visual feedback during gameplay ** Under the Hood** • Prevented duplicate score submissions • Thread-safe operations for better performance • Enhanced error recovery mechanisms • Comprehensive UI/UX polish