photorealistic enhancement of the provided restaurant interior image showing a dining area facing a wall with three tall vaulted niches the room contains round dining tables upholstered chairs a checkerboard marble floor paneled walls and a flat ceiling critical constraint absolute geometric preservation the image must be treated strictly as a fixed reference for geometry and composition preserve exactly and without modification the camera position focal length framing and perspective the architecture and all structural elements the positions of every object the scale and size of every element the proportions of all elements the distances and spatial relationships between elements the layout of tables chairs niches walls panels and floor pattern do not move resize rotate add or remove anything the generated image must match the original spatial configuration exactly only material refinement texture improvement repainting the ceiling and the specified concealed lighting are allowed materials and surfaces wall panels the beige orange and black square and fluted wall panels are 3d printed architectural panels made from plastic filament preserve their exact colors dimensions and positions enhance realism with subtle filament layer micro texture fine surface striations and improved material shading ceiling repaint the ceiling matte beige preserving its exact geometry furniture chairs are wooden with a natural light wood structure and arms upholstery is fine cotton fabric in light blue with a subtle woven textile texture tables have round black marble tops table legs are polished chrome producing realistic metallic reflections floor maintain the existing marble checkerboard pattern exactly improving texture clarity and natural stone reflections niches the three arched vaulted niches contain black mirrored surfaces preserve their exact geometry and position while enhancing mirror reflectivity and depth lighting no visible fixtures no visible light fixtures anywhere in the scene lighting is created exclusively by concealed warm led strips 2700k 3000k integrated into the architecture ceiling perimeter lighting continuous hidden led strip along the junction between ceiling and walls the ceiling edges where the ceiling meets the columns vaulted niche lighting very important inside each of the three vaulted niches install a concealed vertical warm led strip located in the narrow joint between the orange side panels and the black mirrored surfaces the led strip must be hidden from direct view producing a soft vertical glow that illuminates the edges of the arches and subtly reflects in the mirrors clearly visible inside every niche these niche lights must be clearly present and visibly illuminating the niches while remaining fully concealed rendering quality ultra realistic architectural visualization with enhanced material textures improved global illumination subtle reflections on marble and chrome soft indirect shadows and a warm restaurant atmosphere final constraint all geometry proportions positions scale and existing colors must remain unchanged except for repainting the ceiling beige and introducing the specified concealed lighting