enhance this existing architectural 3d render into a high end photorealistic architectural visualization important preserve the original design exactly as shown do not modify redesign or replace anything do not change architectural layout floor plan furniture placement booths chairs tables counters materials and textures colors and finishes wall graphics artwork signage flooring ceiling lighting fixtures joinery details dimensions and proportions only improve the realism and rendering quality enhancement requirements add physically accurate global illumination realistic ray traced lighting natural material response realistic reflections and roughness high quality shadows improved depth contrast and realism professional hospitality interior photography style ultra realistic architectural visualization quality lighting requirements exterior environment must be night time do not add sunlight do not create daylight morning or sunset lighting use realistic nighttime ambient light from outside interior lighting should remain exactly as designed enhancing existing fixtures only add realistic warm interior glow without changing fixture positions or colors human placement requirements add realistic people only if needed for scale and atmosphere important human rules humans must be correctly oriented and naturally positioned people must face the correct direction according to the space do not place people backwards upside down or in unnatural poses people sitting must sit properly on chairs or booths with correct body alignment feet should touch the floor naturally hands and posture should look realistic do not block important design elements avoid random standing people in seating areas place guests naturally as if they are using the caf restaurant the final image should look like a professional real life night time hospitality interior photograph while maintaining 100 design accuracy from the original render