Safely change hard-to-test legacy code. Use when code has hidden side effects, weak tests, global state, large routines, unclear ownership, or risky dependencies. Focuses on seams, characterization tests, dependency isolation, and avoiding clean rewrites.
$npx -y skills add aryaniyaps/ultimate-pi --skill legacy-code-seamsInstalls into the current project.
Run `npx skills use "https://github.com/aryaniyaps/ultimate-pi" --skill "aryaniyaps/ultimate-pi/legacy-code-seams"` 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/aryaniyaps/ultimate-pi" that are relevant to the current task. Run `npx skills add "https://github.com/aryaniyaps/ultimate-pi"` and select the relevant skills, then follow their instructions.