docs-only の更新を行う。コードやテストは変更せず、現行実装・CLI・運用方針との整合を確認しながら docs を修正する。
$npx -y skills add apokamo/kaji --skill i-doc-updateInstalls into the current project.
Run `npx skills use "https://github.com/apokamo/kaji" --skill "apokamo/kaji/i-doc-update"` 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/apokamo/kaji" that are relevant to the current task. Run `npx skills add "https://github.com/apokamo/kaji"` and select the relevant skills, then follow their instructions.