通过微信查询好友、群聊及成员，确认目标后发送文本、图片或文件消息，实现社交管理与消息发送。
- Initial release of wechat-tool skill for WeChat social management and messaging. - Supports searching friends, recent contacts, chatrooms, and chatroom members. - Enables sending text, image, and file messages to friends or groups. - Enforces confirmation flow: select target, confirm action, then send message. - API endpoints require WECHAT_APPID and WECHAT_TOKEN configuration.