- Added 'Enhanced Elimination Visual Feedback' section to all documentation files
- Documents the red X overlay that appears on eliminated players' profile pictures
- Explains immediate visual feedback when players reach 0 lives
- Notes persistent display until game reset for historical reference
- Improves user experience by making elimination status clearly visible
- Updates: CHANGELOG.md, README.md, CHANGELOG_Notecard.txt, README_Notecard.txt
- Added critical 'Number Detection & Shield Logic Fixes' section to all documentation files
- Documents the fix for system not recognizing numbers players had picked
- Explains the root cause (pick data sync issues) and solution (enhanced validation)
- Ensures complete coverage of v2.8.4 improvements including shield mechanics restoration
- Updates: CHANGELOG.md, README.md, CHANGELOG_Notecard.txt, README_Notecard.txt
