Delete stale v4 files (batch 8/8)

Delete stale v4 files (batch 7/8)

Delete stale v4 files (batch 6/8)

Delete stale v4 files (batch 5/8)

Delete stale v4 files (batch 4/8)

Delete stale v4 files (batch 3/8)

Delete stale v4 files (batch 2/8)

Re-render pointmap for interndata (full-episode, frame aligned)

Re-render mesh_scenario.mp4 for interndata (URDF coupler fix + frame alignment)

Add arm_mask.npy for interndata (30 samples)

Add pointmap (mp4+norm.json) for interndata

Add mesh_scenario.mp4 for interndata

Upload benchmark_export_v4 (240 samples, 6 datasets)