dsh-plugin-backdrop: A dynamic background plugin injecting the whale atmosphere from the DeepSeek Harness official website into the dsh Web UI

dsh-plugin-backdrop is a plugin for adding a dynamic background to the dsh Web UI, installable with a single command. It injects the atmospheric effects from the DeepSeek official website hero section into the interface, containing four background layers: a WebGL2 fluid effect (featuring gradients, bloom, and mouse lighting), a 35-frame ASCII whale (using cyberpunk glitch effects to mask loop seam jumps), 55 glowing fish sprites, and a dot-line grid with mouse ripples. The plugin makes the page container transparent and forces...