Houdini-style reference copy for ComfyUI: clone any node and keep every parameter live-linked to the original. Edit one parameter on a clone to localize just that one; the rest stay linked. Pure frontend, zero graph nodes.
https://github.com/jeremieLouvaert/ComfyUI-ReferenceCopy
git clone https://github.com/jeremieLouvaert/ComfyUI-ReferenceCopy
comfy node install comfyui-referencecopy