Function commentKey

scripts/github-actions/post-review-comments.test.js:60–63

(rc)

// the same file succeeds. Mirrors the (path, line range) identity the bot uses
// for incremental dedup and the idempotency check.
function commentKey(rc) {
  if (!rc) return "?";
  return `${rc.path}|${rc.start_line != null ? rc.start_line : "-"}|${rc.line != null ? rc.line : "-"}`;
}

// Temporarily override env vars for a single (sync or async) test body, always
// restoring originals afterwards. Used for retry/quota tests that need a