Test authoring guidance
$npx -y skills add deonmenezes/mantishack --skill code-review-testingInstalls into the current project.
Run `npx skills use "https://github.com/deonmenezes/mantishack" --skill "deonmenezes/mantishack/code-review-testing"` 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/deonmenezes/mantishack" that are relevant to the current task. Run `npx skills add "https://github.com/deonmenezes/mantishack"` and select the relevant skills, then follow their instructions.