Add comprehensive file compression functionality to file manager:
Compression features:
- Support multiple formats: zip, tar.gz, tar.bz2, tar.xz, 7z
- Compress single or multiple files/folders
- Interactive compression dialog with format selection
- Preview of files to be compressed
- Context menu integration (right-click to compress)
Error handling improvements:
- Detect missing compression tools on remote server
- Provide friendly error messages with installation instructions
- Format-specific tool detection (zip, tar, 7z, unrar, etc.)
- Clear guidance for users when tools are unavailable
UI enhancements:
- Multi-language support (English/Chinese)
- Real-time compression progress feedback
- Smart default format selection
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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