feat(canvas): accelerate local previews and harden edge flows

components/canvas/nodes/curves-node.tsx

@@ -59,6 +59,7 @@ export default function CurvesNode({ id, data, selected, width }: NodeProps<Curv
     [],
   );
   const { localData, applyLocalData, updateLocalData } = useNodeLocalData<CurvesData>({
+    nodeId: id,
     data,
     normalize: normalizeData,
     saveDelayMs: 16,