HD-L01 tree-shadow gobo (Round 14 REDO — procedural toroidal; Round 15 ✅ PASS → 已验收)
- HD-L01_gobo_tile.png : 1024² seamless B&W (white=light, black=leaf shadow)
- L01_gobo/HD-L01_gobo_00..07.png : same base; each frame = small torus translate/warp
- HD-L01_gobo_sheet.png : 4×2 contact
- HD-L01_gobo_tile_2x2preview.png : 2×2 tiled preview for seam check
- seed=42
- seam tile2x2 V/H: 1.209 / 4.77 (interior adj 2.724)
- edge LR/TB: 1.209 / 4.77
- adj-frame mean abs: [5.815, 5.577, 5.045, 5.342, 5.778, 5.544, 5.208, 5.605] (max 5.815; target <10)
- bright median (≥180): 247.2  overall median: 239.7
- pass_seam=True pass_continuity=True pass_brightness=True
Soft (GUCCI R15): leaf-shadow coverage ~17% (sparse); code can boost intensity — no art redo.