Add a hidden 'quack' command that displays DuckTales ASCII art of
Launchpad McQuack. Also document the development workflow in README,
including how to run tests with uv and the optional venv setup.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add TestArgumentSeparator class with 8 tests verifying that script
arguments must come after '--' separator
- Update create and edit command docstrings with examples showing
correct usage of '--' separator
- Update argument help text to indicate "(must come after '--')"
- Add "Passing Arguments to Your Script" section to README
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
