/**
 * Next.js instrumentation hook — runs once when the server starts.
 * Used to kick off the background stats poller so alerts are generated
 * and Discord notifications are sent even when no client is connected.
 */

export async function register() {
  // Only run in the Node.js runtime (not Edge).
  // better-sqlite3 and the fetch clients require Node.js APIs.
  if (process.env.NEXT_RUNTIME === "edge") return;

  const { startBackgroundPoller } = await import("@/lib/statsBuilder");
  startBackgroundPoller();
}