PRCheckloop Get a GitHub PR to a fully green check state, or exit with a concrete blocker. Scope - GitHub PRs only. If the repo is GitLab, stop and use . - Focus on checks for the latest PR head SHA, not old commits. - Focus on CI/status checks, not review comments or PR template cleanup. - If the user also wants review-comment cleanup, pair this with . Inputs - PR number (optional): If not provided, detect the PR for the current branch. - Max iterations : default . Workflow 1. Identify the PR If no PR number is provided, detect it from the current branch: If needed, switch to the PR branch b…