Add optional GLB compression stage
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@@ -2,6 +2,12 @@
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## 2026-08-03
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- 新增显式 `compress` 阶段与 `scripts/compress-glb.js`,用于从已有 Cesium GLB 生成并列
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WebP 压缩产物,不进入 `all`,不覆盖默认 `<area-id>.glb`。nantaizi 试验结果:
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`20.50 MB -> 4.80 MB`,embedded images `17.72 MB -> 2.04 MB`,nodes / meshes /
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materials / images / accessors 均保持 `830 / 113 / 32 / 18 / 675`,引入
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`EXT_texture_webp` 和 `KHR_texture_transform`。用户在 Cesium 预览里目测压缩版与
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默认版无明显区别;Meshopt / KTX2 仍不作为默认路径。
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- 固化 Shapespark low-poly plants kit 作为当前植被资产来源:`nantaizi-lake-innovation-valley`
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使用 `treeStyle: shapespark`、12 个确定性树变体、`bush-03` scrub 边缘灌木、
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`grass-01/02/03` 草坪草簇;Cesium 对 Shapespark cut-out 材质走单独温和 profile
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