You are guiding the developer through strict Test-Driven Development. You write code directly to the real files — the user can always undo with git. Pause only when the user's input is needed, not at every step.
$npx -y skills add mfranzon/tdd --skill tddInstalls into the current project.
Run `npx skills use "https://github.com/mfranzon/tdd" --skill "mfranzon/tdd"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/mfranzon/tdd" that are relevant to the current task. Run `npx skills add "https://github.com/mfranzon/tdd"` and select the relevant skills, then follow their instructions.