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 beyond the specified downlights 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 very subtle texture matte finish floor natural oak wood flooring warm tone realistic grain and subtle imperfections built in wardrobes light white chalk painted finish matte soft texture decorative wall panels grey concrete panels with a fine smooth and refined texture very subtle surface variation micro imperfections slight tonal variation minimal roughness highly realistic pbr response avoid coarse or overly rough appearance doors light white matte finish door handles brushed stainless steel realistic reflections subtle roughness light switch light white power socket light white lighting very important use only artificial lighting from ceiling downlights recessed spotlights arrange the downlights as a single continuous linear row along the length of the corridor do not create multiple rows or staggered layouts light must clearly originate from these downlights only no led strips no indirect ceiling glow no hidden lighting create realistic light cones and soft falloff from each spotlight ensure natural spacing and consistent rhythm of lights temperature neutral warm 3000 3500k shadows and realism add realistic shadows especially along the base of wardrobes 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 improve depth and contrast while keeping a natural look keep the scene clean and minimal no stylization or extra elements goal achieve a highly realistic interior render with refined concrete material definition a single linear downlight layout believable artificial lighting and natural shadow behavior while staying fully faithful to the original image
