Function setGradPair

apps/sim/app/landing-preview/marks-lab/marks-lab.tsx:735–740

(key: 'cx' | 'cy' | 'r', side: 'rest' | 'hover', v: number)

    })

  const setGradPair = (key: 'cx' | 'cy' | 'r', side: 'rest' | 'hover', v: number) =>
    setConfigs((prev) => {
      const next = structuredClone(prev)
      next[markId].gradient[key][side] = v
      return next
    })

  const readout = useMemo(() => {
    const restGeo: Record<string, number> = {}