1. Update stale peptiderepo/peptide-e2e ref to peptide-repo/peptide-e2e. Reusable workflow uses: refs do not follow GitHub transfer redirects. 2. Fix permissions: contents: read → write so nested reusable ci.yml (requires write for phpcbf auto-commit) can run without startup_failure. Agent-Session: fix-e2e-ref-20260617