- Add detailed copy system step with real-time rsync output display
- Show current file being copied, transfer statistics, and progress details
- Add small text area for copy progress with monospace font and auto-scroll
- Move network configuration file creation to occur after disk mounting
- This ensures /target/etc/network/interfaces is created on the mounted filesystem
- Update installation progress percentages to accommodate new network config step
- Add copy_progress signal and update_copy_progress method for GUI updates
- Enhanced rsync command with --progress and --stats for detailed output
- Improved error handling for rsync process with proper cleanup

This provides users with detailed feedback during the system copy process
and ensures network configuration files are properly created on target system.