LINE messaging integration via Chrome extension gateway. Send/read LINE messages, manage contacts, groups, profile, and reactions. Authenticate with QR code login. Provides HMAC-signed API access through the Chrome extension gateway (line-chrome-gw.line-apps.com).

通过Chrome扩展网关集成LINE消息功能，可发送和阅读LINE消息，管理联系人、群组、个人资料和表情回复，使用二维码登录进行身份验证，通过Chrome扩展网关（line-chrome-gw.line-apps.com）提供HMAC签名的API访问