Sidebar panel for ComfyUI that auto-captures every prompt run, diffs the workflow graph between any two runs (added/removed/type-swapped/changed nodes, including inside subgraphs), locates changes directly on the canvas, and pairs the diff with a drag-and-drop wipe-compare of the outputs.
https://github.com/Gerry-Malta/ComfyUI-WedgeDiff
git clone https://github.com/Gerry-Malta/ComfyUI-WedgeDiff
comfy node install comfyui-wedgediff