Method handleTrace

trace/trace.ts:179–230

(msg: Api.Message)

      this.pendingDeleteTimers.delete(timer);
      msg.delete().catch(() => {});
    }, seconds * 1000);
    if (typeof (timer as any).unref === "function") {
      (timer as any).unref();
    }
    this.pendingDeleteTimers.add(timer);
  }

  cleanup(): void {
    // 真实资源清理：释放插件持有的定时器、监听器、运行时状态或临时资源。
    for (const timer of this.pendingDeleteTimers) {
      clearTimeout(timer);
    }
    this.pendingDeleteTimers.clear();
    this.isPremium = null;
    this.meId = null;
  }
  
  /**
   * [MODIFIED] Renamed and enhanced to get our own user ID and premium status.
   */
  private async initializeSelf() {
    if (this.meId === null) {
        const client = await getGlobalClient();
        if (client) {
            const me = await client.getMe() as Api.User;
            this.isPremium = me?.premium || false;
            this.meId = me?.id || null;
        } else {
            this.isPremium = false;
        }
    }
  }

  private async handleTrace(msg: Api.Message) {
    try {
      const parts = msg.message?.split(/\s+/) || [];
      const [, sub, ...args] = parts;
      const repliedMsg = await safeGetReplyMessage(msg);

      if (repliedMsg && !sub) {
        return this.untraceUser(msg, repliedMsg);
      }

      if (repliedMsg && sub) {
        const fullEmojiText = msg.message.substring(parts[0].length).trim();
        return this.traceUser(msg, repliedMsg, fullEmojiText);
      }

      switch (sub?.toLowerCase()) {
        case "kw":
          const action = (args[0] || "").toLowerCase();
          const keyword = args[1];
          const fullEmojiText = msg.message.substring(parts.slice(0, 3).join(" ").length).trim();
          if (action === "add" && keyword && fullEmojiText) {
            return this.traceKeyword(msg, keyword, fullEmojiText);