FrameMode
enum class FrameModeDescription
How an entity's authored transform is interpreted relative to its frame.
The mode selected in the inspector's Reference row (see EntityFrame). It governs only the authoring boundary — how IWorldEditor::frame_local_transform expresses the pose and how IWorldEditor::set_frame_local_transform stores it — not the scene-frame Transform the physics and renderer work in.
AutoResolve Surface vs Free from the entity's altitude over the body.
FreeInertial: position is a scene-axis offset from the body centre.
SurfaceGround-fixed: rotation is ground-local (upright is identity anywhere).

