Checks a process, port, health URL, and recent logs, then explains:
$npx -y skills add thesongzhu/friday --skill local-service-diagnoseInstalls into the current project.
Run `npx skills use "https://github.com/thesongzhu/friday" --skill "thesongzhu/friday/local-service-diagnose"` 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/thesongzhu/friday" that are relevant to the current task. Run `npx skills add "https://github.com/thesongzhu/friday"` and select the relevant skills, then follow their instructions.