- 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