letter-shell-integration

Run `npx skills use "https://github.com/easyzoom/aix-skills" --skill "easyzoom/aix-skills/letter-shell-integration"` 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/easyzoom/aix-skills" that are relevant to the current task. Run `npx skills add "https://github.com/easyzoom/aix-skills"` and select the relevant skills, then follow their instructions.