let historyResizeTimer;
window.addEventListener('resize', () => { if (app.currentView === 'history') { clearTimeout(historyResizeTimer); historyResizeTimer = setTimeout(drawCurrentChartIfVisible, 120); } });
window.matchMedia('(prefers-color-scheme: light)').addEventListener('change', () => { if (app.theme === 'system') applyTheme(); });
if ('serviceWorker' in navigator && !APP_BASE.startsWith('/api/hassio_ingress/')) window.addEventListener('load', () => navigator.serviceWorker.register(withBase('/sw.js')).catch(() => { }));

async function startApplication() {
  try {
    observeTopbarHeight();
    applyTheme();
    await loadLanguages();
    applyTranslations();
  } finally {
    document.documentElement.classList.remove('i18n-loading');
  }
  setupFormUx();
  updateZoneSensorFields();
  updateSchedulePresetField();
  await loadBootstrap();
  initRouter();
}

setInterval(updateLocalThermostatCountdowns, 1000);
setInterval(updateTemporaryThermostatCountdowns, 1000);
setInterval(updateCompressorQueueCountdowns, 1000);
startApplication().catch(error => console.error('Application startup failed:', error));