Goal-backward verification — checks whether the desired outcome was achieved, not whether tasks were marked done. Use when the user asks to "verify", "did this actually work", "is X really done" — or before you claim a task is complete and before closing an issue / merging a PR.
$npx -y skills add arozumenko/sdlc-skills --skill verifying-outcomesInstalls into the current project.
Run `npx skills use "https://github.com/arozumenko/sdlc-skills" --skill "arozumenko/sdlc-skills/verifying-outcomes"` 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/arozumenko/sdlc-skills" that are relevant to the current task. Run `npx skills add "https://github.com/arozumenko/sdlc-skills"` and select the relevant skills, then follow their instructions.