Function grepCheck

scripts/proof-launch-readiness.mjs:25–28

(name, path, needle)

  return { name, ok: result.status === 0, detail: result.status === 0 ? "pass" : tail(result.stderr || result.stdout) };
}
function grepCheck(name, path, needle) {
  const text = readFileSync(path, "utf8");
  return { name, ok: text.includes(needle), detail: needle };
}
function tail(text) {
  return text.trim().split("\n").slice(-3).join(" / ");
}