saveWatcherSettings function

async function saveWatcherSettings(): Promise<void> {
  const settings: Partial<Settings> = {
    watcherEnabled: (
      document.getElementById("setting-watcher-enabled") as HTMLInputElement
    ).checked,
    watcherAutoRefill: (
      document.getElementById("setting-watcher-auto-refill") as HTMLInputElement
    ).checked,
    watcherShadowDOM: (
      document.getElementById("setting-watcher-shadow-dom") as HTMLInputElement
    ).checked,
    watcherDebounceMs: Math.min(
      5000,
      Math.max(
        100,
        Number(
          (
            document.getElementById(
              "setting-watcher-debounce",
            ) as HTMLInputElement
          ).value,
        ) || 600,
      ),
    ),
  };
  await chrome.runtime.sendMessage({
    type: "SAVE_SETTINGS",
    payload: settings,
  });
  showToast(t("savedAuto"));
}