insert the sofa and coffee table and rug from the reference image into the living room scene match the exact design proportions upholstery texture and color of the reference sofa place the sofa against the back wall under the artwork aligned flush to the wall ensure correct perspective scale and lighting so the sofa integrates naturally into the space match shadows floor contact and ambient warm lighting keep all other furniture and layout unchanged maintain photorealistic interior rendering quality preserve the original interior scene exactly as provided do not modify regenerate or restyle the background including walls flooring cabinetry dining table chairs lighting artwork or camera angle use the original image as a fixed base do not re render or reinterpret the scene perform only a localized edit to insert the sofa all background elements must remain pixel consistent and unchanged
