- Added stdin pipe support for both encode and decode operations
- Implemented file extension-based processing:
* .dump files: hex dump format with arrow separators
* .hex files: pure hex string data
* .xml files: XML content for encoding
- Added 'filename --encode' and 'filename --decode' syntax support
- Enhanced command line parsing for flexible usage
- Updated help text with pipe usage examples
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
