Method handleUnsubscribe

lu_bs/lu_bs.ts:297–332

(msg: Api.Message)

    if (!chatId) {
      await msg.edit({ text: "❌ 无法获取聊天ID", parseMode: "html" });
      return;
    }

    // 检查权限
    const hasPermission = await this.checkPermission(msg);
    if (!hasPermission) {
      await msg.edit({ 
        text: "❌ 权限不足，无法操作整点报时", 
        parseMode: "html" 
      });
      return;
    }

    // 检查是否已订阅
    if (!this.db.data.subscriptions.includes(chatId)) {
      await msg.edit({ 
        text: "❌ 你还没有订阅整点报时", 
        parseMode: "html" 
      });
      return;
    }

    // 移除订阅
    this.db.data.subscriptions = this.db.data.subscriptions.filter((id: string) => id !== chatId);
    delete this.db.data.lastMessages[chatId];
    await this.db.write();

    await msg.edit({ 
      text: "✅ 你已经成功退订了整点报时", 
      parseMode: "html" 
    });
  }

  // 处理列表查看
  private async handleList(msg: Api.Message) {
    const chatId = msg.chatId?.toString();
    if (!chatId) {
      await msg.edit({ text: "❌ 无法获取聊天ID", parseMode: "html" });
      return;