PAct official inference was attempted on laptop_real.jpg using a manual SAM2 merge: - base = segments [0, 8, 14, 15] - screen = segment [4] The official pipeline loaded and sampled sparse structure + SLat, but failed in articulation decode: ValueError: cannot convert float NaN to integer Location: modules/utils/articulation_utils.py -> parse_tree() This page keeps the preprocessing visuals and records the failure honestly.