Animated and video live wallpaper for the DeepSeek Harness Web GUI — GIF, animated WebP/APNG and static PNG/JPEG images, plus MP4/WebM video backgrounds, with auto format detection, a dim slider, and UI chrome tone matching.

Text-first browser & background macOS control for DeepSeek Harness (DSH): target the right process and window without taking the user's pointer. 为 DSH 提供文本优先的电脑控制：后台操作 Chromium 与 macOS，不抢前台、不移动鼠标。