Function getStorageJSON

js/utils/storage.js:30–38

(key, defaultValue = null)

 * @returns {*} 解析后的值或默认值
 */
export function getStorageJSON(key, defaultValue = null) {
  try {
    const item = getStorage(key);
    return item ? JSON.parse(item) : defaultValue;
  } catch (error) {
    console.error(`Failed to parse JSON from storage (${key}):`, error);
    return defaultValue;
  }
}

/**
 * 安全地向 localStorage 写入数据