Upload 1 clip(s) (0.04 GB) — -821U1ZYZOs_245.0_249.0 [2026-05-13T07:54:31+00:00]

Step 1 full re-run @ 15fps with compound+fallback prompts and containment merge (55 clips)

Replace samples/ with 21-clip Step 1 test batch (no SAM3D, no 6DoF)

Refresh dataset: 48 trim-reviewed clips, manual SAM3 prompts, full descriptions in scene.json