Load when a task needs to implement or continue an existing OpenSpec change; use the repository's normal development contract for non-OpenSpec implementation.
$npx -y skills add jasonxzwen/harness-hub --skill openspec-apply-changeInstalls into the current project.
Run `npx skills use "https://github.com/jasonxzwen/harness-hub" --skill "jasonxzwen/harness-hub/openspec-apply-change"` 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/jasonxzwen/harness-hub" that are relevant to the current task. Run `npx skills add "https://github.com/jasonxzwen/harness-hub"` and select the relevant skills, then follow their instructions.