exports.handler = async (ctx) => {
  const start = Date.now();

  return {
    body: JSON.stringify({
      status: "ok",
      service: "ecom-platform",
      version: "1.0.0",
      uptime_check: "pass",
      checks: {
        runtime: "ok",
        memory_mb: process.memoryUsage ? Math.round(process.memoryUsage().heapUsed / 1024 / 1024) : null,
        node_version: process.version || "unknown",
      },
      timestamp: new Date().toISOString(),
      response_ms: Date.now() - start,
    }),
    headers: { "Content-Type": "application/json" },
  };
};