- Remove vague TODO comment, clarify legacy SHA256 support purpose
- Make CONTRIBUTING.md more generic (not GitHub-specific)
- Remove Git from prerequisites (only needed if cloning)
- AGE encryption with master password model
- Core commands: init, show, insert, edit, generate, rm, mv, cp, find, grep, ls
- Git integration for version control
- Clipboard support (X11 and Wayland)
- Secure password generation
- Backup and restore functionality
- Comprehensive security features
- Complete documentation