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Add Chromium-only Blender WebEngine parity work

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mes123456
2026-08-12 04:47:48 -04:00
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# N-014 NLA
状态：`in_progress（Action Clip Main/求值 + reverse/repeat 子集）`
详细分解、AnimationIR strip/track、Main 编辑、原生 NLA 求值、UI、GLB 映射和验收命令见
[`docs/UNDECLARED_CAPABILITIES_EXECUTION_PLAN.md`](../UNDECLARED_CAPABILITIES_EXECUTION_PLAN.md)。
本轮已交付 `NlaTrackIR`/`NlaStripIR`、Action 存在性、owner/path、稳定排序、不重叠、
range/scale/repeat/influence 一致性、blend/extrapolation 和 time-warp 阻断。SceneIR reader
可恢复 Track/Action Clip 摘要；`setNLAStack` 以整栈替换事务写 Blender Main，并经过
undo 历史、保存重开和 frame 5 native depsgraph 求值。Action Clip `reverse` 已映射到
Blender `NLASTRIP_FLAG_REVERSE`，reader 可恢复该标志；反向正例得到预期线性位置约
`[0.555556, 1.111111, 1.666667]`。
同一正例已扩为 `repeat=2`，frame 5 与第二周期 frame 14 的 native Depsgraph 矩阵一致。
当前只支持单对象 Action Clip、正 scale、Replace/Add/Multiply/Combine 和有限外插。
Transition/Meta/Sound、Animated Time、Drivers、细粒度拖动/resize 命令、NLA UI、
骨骼/约束混合矩阵及 GLB 展开仍为 planned/结构化阻断。
验收：`npm --prefix web run test:authoring-roundtrip`、`npm --prefix web run test:capability-gates`。