dsh-qq-plugin: Remote Control of Desktop Agent via QQ

`dsh-qq-plugin` is a plugin designed specifically for DeepSeek Harness (DSH), enabling remote control of a local Agent via QQ on a mobile phone. The solution requires no public IP or reverse proxy configuration and is simple to install. The plugin supports bidirectional text, image, and file transfer, along with core features such as automatic saving of long replies, multi-session management, model switching, active push notifications, and scheduled tasks. Users only need to scan a QR code to bind and start using it, making it suitable for temporarily controlling a DSH Agent on a computer.