improve the realism of the provided interior render while strictly preserving the original composition and architectural intent strict rules must follow do not change camera framing proportions or geometry do not add remove or redesign any elements do not introduce any new light sources do not add led strips hidden lighting cove lighting or glowing ceilings the result must be based only on the provided image material and color specifications walls light white plaster subtle texture matte finish floor natural oak wood flooring warm tone realistic grain and subtle imperfections bench chalk painted finish matte soft texture wall panels around the bench same chalk color bench seat light grey upholstered fabric soft texture realistic shading wall hooks natural oak wood doors light white matte finish door handles brushed stainless steel light switch light white next to the door power socket light white near the floor lighting very important use only artificial lighting from ceiling downlights recessed spotlights light must clearly originate from downlights above no led strips no indirect ceiling glow no hidden lighting light should fall naturally onto walls doors bench and surrounding surfaces create realistic light cones and soft falloff from downlights temperature neutral warm 3000 3500k add realistic shadows especially under the bench in corners around door frames subtle ambient occlusion and contact shadows required rendering quality enhance global illumination and indirect bounce light add micro imperfections and realistic material response pbr keep the scene minimal and clean no stylization or extra effects goal achieve a physically believable hallway render lit only by ceiling downlights without any artificial or added lighting elements while staying fully faithful to the original image
