use the current render as the base and make only one correction to the built in shelves the wooden shelves inside the millwork niches must have a thin metal inlay running through the middle of the shelf thickness exactly like the reference image each shelf should remain in the same dark mahogany wood but the shelf edge profile should show a subtle horizontal metal reveal inlay centered in the middle of the shelf thickness the metal inlay should be very thin refined and continuous along the visible front edge of each shelf in a subtle bronze or dark metal finish it should look integrated into the shelf profile not applied on top the shelf should still read as wood with only one clean metal line in the middle of the shelf edge do not add led lighting to the shelves do not change the shelf positions thickness spacing millwork proportions wood color niche lighting accessories drawers furniture ceiling floor or camera angle only add the centered metal inlay detail to the visible shelf edges