photorealistic enhancement of the provided interior wall design preserve all geometry and panel proportions treat the input image as fixed architectural structure two layer wall construction only front layer wood panels champagne mdf panel and vertical slats on one flat plane back layer white textured gypsum 3d panels recessed behind use the marked vertical red guide lines as hidden led strip positions these lines indicate recessed lighting joints do not render the red lines in the final image led strips are very narrow and fully hidden inside the front panel joints light must wash backward onto the gypsum textured panels soft warm wash light only no glowing columns no light niches no visible fixtures keep the lighting gap thin and precise show subtle shadow depth between the two panel layers natural daylight from the win