Finalizes documentation for a completed change under Docs/<scope>/Specs/<change-name>/. Aligns <change-name>_spec.md with final behavior, proposes broader doc updates for approval, and moves the change folder to Archive. Use after implement-change when implementation is done and the user wants cleanup and durable docs.
How to install retain?
jed-tech/spar-kit/retain
$npx -y skills add jed-tech/spar-kit --skill retainInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/jed-tech/spar-kit" --skill "jed-tech/spar-kit/retain"` 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/jed-tech/spar-kit" that are relevant to the current task. Run `npx skills add "https://github.com/jed-tech/spar-kit"` and select the relevant skills, then follow their instructions.
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