イシュー着手時に使用。worktreeで分離された開発環境を構築し、Issue本文にメタ情報を追記する
$npx -y skills add apokamo/kaji --skill issue-startInstalls into the current project.
Run `npx skills use "https://github.com/apokamo/kaji" --skill "apokamo/kaji/issue-start"` 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.