Method init

js/ReadingSystem.js:67–81

* 初始化系统 * @returns {Promise }

()

   * @returns {Promise<void>}
   */
  async init() {
    try {
      await this.loadBooks();
      await this.applyBookFromHash();
      this.bindAllEvents();
      this.loadLoopPlaybackPreference();
      this.updateLoopPlaybackUI();
      this.loadTranslationPreference();
      this.updateTranslationToggle();
      await this.loadUnitFromStorage();
    } catch (error) {
      console.error('Failed to initialize ReadingSystem:', error);
      this.renderEmptyState(this.config.ERROR_MESSAGES.LOAD_BOOKS);
    }
  }

  // =========================================================================
  // 课本管理