Use before committing to a non-trivial module, service boundary, or public API - generate 2-3 divergent interface designs, compare them on depth/locality/seam, and recommend one
$npx -y skills add etr/groundwork --skill design-it-twiceInstalls into the current project.
Run `npx skills use "https://github.com/etr/groundwork" --skill "etr/groundwork/design-it-twice"` 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/etr/groundwork" that are relevant to the current task. Run `npx skills add "https://github.com/etr/groundwork"` and select the relevant skills, then follow their instructions.