Function applyTheme

ui/src/composables/useDarkMode.ts:21–32

(newTheme: Theme)

  // 应用主题
  const applyTheme = (newTheme: Theme) => {
    const effectiveTheme = newTheme === "auto" ? getSystemTheme() : newTheme;
    isDark.value = effectiveTheme === "dark";

    if (typeof document !== "undefined") {
      if (isDark.value) {
        document.documentElement.classList.add("dark");
      } else {
        document.documentElement.classList.remove("dark");
      }
    }
  };

  // 设置主题
  const setTheme = (newTheme: Theme) => {