WiLoR-native joints_2d for skeleton overlay (88 clips re-exported, MoGe-2-independent 2D projection bypasses focal estimation errors)

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

Initial deploy