a3e8b09a8f
Implemented comprehensive recent files tracking system: - Created RecentFilesManager singleton with UserDefaults persistence - Added Recent Files submenu to File menu with up to 10 recent files - Automatic file validation that removes deleted files from list - Smart file tracking that adds files when opened and moves to top - Clear Recent Files option for user control - User-friendly display showing filename and relative path - Error handling for missing files with user notification 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>