Function formatMessagesForAI

sum/sum.ts:607–650

(messageData: MessageData[])

      // Url 类型：消息中的纯文本 URL
      if (entity.className === "MessageEntityUrl" && message.message) {
        const url = message.message.substring(
          entity.offset,
          entity.offset + entity.length,
        );
        urls.push(url);
      }
    }
  }

  return urls;
}

// 提取文本中的 URL
function extractUrlsFromText(text: string): string[] {
  const urlRegex = /https?:\/\/[^\s\]）】>]+/g;
  return text.match(urlRegex) || [];
}

// 检查是否为贴纸/表情包
function isStickerOrEmoji(message: any): boolean {
  if (!message.media?.document) return false;

  const doc = message.media.document;

  // 检查 MIME 类型
  const stickerMimeTypes = [
    "application/x-tgsticker", // TGS 动画贴纸
    "video/webm", // 视频贴纸
  ];
  if (doc.mimeType && stickerMimeTypes.includes(doc.mimeType)) {
    return true;
  }

  // 检查 attributes 中是否有贴纸/表情包标识
  if (doc.attributes && Array.isArray(doc.attributes)) {
    for (const attr of doc.attributes) {
      if (
        attr.className === "DocumentAttributeSticker" ||
        attr.className === "DocumentAttributeCustomEmoji"
      ) {
        return true;
      }
    }
  }

  return false;
}