✨ Major code cleanup and optimization

- Removed unnecessary dependencies (fs, path - built-in modules)
- Organized debug files into /debug folder
- Reduced excessive console logging for cleaner output
- Fixed README formatting issues
- Added comprehensive .gitignore
- Removed redundant backup files (game.js.new)
- Fixed duplicate code patterns in analytics
- Created CLEANUP_SUMMARY.md documentation
- Regenerated clean package-lock.json

No breaking changes - all functionality preserved

public/js/input-fix.js

@@ -24,12 +24,9 @@ document.addEventListener('DOMContentLoaded', function() {
 function fixInputVisibility() {
   const userInput = document.getElementById('userInput');
   if (!userInput) {
-    console.log('❌ User input element not found');
     return;
   }
   
-  console.log('🔧 Fixing input visibility');
-  
   // Create a style element for stronger CSS
   const styleEl = document.createElement('style');
   styleEl.textContent = `