"Rotate" is the word people actually search for, and almost nothing in
the ecosystem registers under that name, so keeping it in the display
name is worth more than a tidier one. The node menu now shows
"Transform & Rotate Pro", and the class is TransformRotatePro to match.
The registration key stays MP_ImageTransform on purpose. That key is
what saved workflows and placed nodes reference, so changing it again
would break any node already dropped on a canvas. The key is never
shown in the UI, so there is no cost to leaving it as it is - a comment
in __init__.py records why it differs from the class name.
Category is unchanged at MachinePaintingNodes/Rotate & Scale. README
updated throughout.
MachinePainting
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