Verifies a PR is fully mergeable (CI green, no unresolved comments, approved) then merges it.
$npx -y skills add nick-pape/grackle --skill pr-mergerInstalls into the current project.
Run `npx skills use "https://github.com/nick-pape/grackle" --skill "nick-pape/grackle/pr-merger"` 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/nick-pape/grackle" that are relevant to the current task. Run `npx skills add "https://github.com/nick-pape/grackle"` and select the relevant skills, then follow their instructions.