1 item (1 fix)
A SkinnedModelRenderer has no live SceneObject until the renderer first goes live. A Flags.CastShadows write at spawn time lands before the SceneObject exists, so it silently no-ops with no error and no warning. NPCs spawned with a shadow toggle off keep casting shadows anyway. Do not trust the write: read back the state that actually landed and retry on a staggered sweep across the following frames until the read-back matches the value you asked for.
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