OptionalpositionOptionaltargetOptionalupOptionaltargetNamed node whose bounding box center becomes the camera target
OptionalzoomOrthographic zoom factor (> 0); applied only to an ortho camera.
OptionalviewAxis-aligned opening view preset (camera.view_axis), validated.
Camera overrides extracted from zarr viewer_config. These are NOT part of RenderingSettings — they're spatial state applied directly to the camera on every scene load.