wan_video 5B q8 verified clean on M3 Ultra (148.7s) and M2 Max (503.7s),
identical 9.2GB max RSS on both; 81GB 'footprint' on m2max identified as
MLX opportunistic cache, not demand. Frame-identical output at same seed
across machines. HARDWARE.md gains wan_video and ardy_motion rows.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
