subtle photorealistic enhancement of the existing interior render improve natural soft daylight entering through the windows realistic indirect illumination gentle shadows and balanced exposure enhance the natural microtextures of oak wood marble sofa upholstery and curtains preserve the exact original furniture geometry cabinetry lighting fixtures window shapes material colors patterns artwork and composition maintain the original warm neutral interior design no redesign no new objects no structural changes no exaggerated ai effects the result should resemble a professionally photographed real interior while remaining faithful to the original design