edit this image into an ultra realistic 3d photorealistic render while preserving the exact original perspective camera angle proportions composition and geometry local edit only modify the area directly behind the lamp in the corner replace the background behind the lamp with a smooth uniform wall surface the wall must be even and clean with a single consistent color and no patterns textures color variations or visual noise blend away all existing colors textures or materials behind the lamp so the background becomes calm and minimal the new wall must integrate naturally with the surrounding space in terms of lighting and tone without visible seams or transitions strict constraint do not change the lamp itself or any other part of the image all other materials colors objects and lighting must remain exactly as in the original image maintain realistic lighting soft shadows and high end photorealistic quality ensure a clean seamless result with high resolution and natural color balance