Class IsAlivePlugin

isalive/isalive.ts:327–487

    (msg: Api.Message, trigger?: Api.Message) => Promise<void>
  > = {
      isalive: async (msg: Api.Message, trigger?: Api.Message) => {
        const client = await getGlobalClient();
        if (!client) {
          await msg.edit({ text: "Client not initialized." });
          return;
        }

        const rawText = (msg.message || msg.text || "").trim();
        const [, ...args] = rawText.split(/\s+/);
        const input = args.join(" ").trim();

        if (!input) {
          await msg.edit({
            text: `Missing parameter.\n\n${help_text}`,
            parseMode: "html",
          });
          return;
        }

        let entity: Api.User | null = null;

        // 立即显示查询状态
        await msg.edit({
          text: "🔍 正在查询中...",
          parseMode: "html",
        });

        try {
          if (/^-?\d+$/.test(input)) {
            const userId = Number(input);
            // 先尝试常规方式获取
            try {
              entity = (await client.getEntity(userId)) as Api.User;
            } catch {
              // 常规方式失败，尝试从群组成员中查找
              await msg.edit({
                text: "🔍 正在从群组成员中查找用户...",
                parseMode: "html",
              });
              entity = await findUserFromGroups(client, userId);
            }
          } else {
            const username = input.startsWith("@") ? input : `@${input}`;
            entity = (await client.getEntity(username)) as Api.User;
          }
        } catch (error: any) {
          await msg.edit({
            text: `❌ 无法解析用户: ${htmlEscape(
              error?.message || String(error)
            )}\n\n<i>提示: 使用 UID 查询需要你与该用户有过交互（私聊、同群等）</i>`,
            parseMode: "html",
          });
          return;
        }

        if (!entity || entity.className !== "User") {
          await msg.edit({
            text: "❌ 查询失败，提供的用户名或ID可能不存在或有误。",