// Next.js server instrumentation entry point. A no-op when NEXT_PUBLIC_SENTRY_DSN isn't
// set — see instrumentation-client.ts for the browser-side counterpart.
//
// Node runtime only, deliberately — this app's middleware.ts (which runs in Next's edge
// runtime) is a trivial pass-through with no real error surface, so an edge-runtime branch
// here would only inflate that shared middleware bundle for no actual coverage benefit.
export async function register() {
  if (!process.env.NEXT_PUBLIC_SENTRY_DSN) return;
  if (process.env.NEXT_RUNTIME !== "nodejs") return;

  const Sentry = await import("@sentry/nextjs");
  Sentry.init({
    dsn: process.env.NEXT_PUBLIC_SENTRY_DSN,
    environment: process.env.NODE_ENV || "development",
    tracesSampleRate: 0.1,
  });
}