import fs from "fs";
import path from "path";

export function loadN8nBillingApiKey() {
  if (process.env.N8N_BILLING_API_KEY) return process.env.N8N_BILLING_API_KEY;
  const keyPath = path.join(process.cwd(), "creds", "n8n-billing.key");
  try {
    return fs.readFileSync(keyPath, "utf8").trim();
  } catch {
    return null;
  }
}