unify the overall visual appearance of the architectural render while strictly preserving the original colors exactly as they are ensure consistent materials lighting and color tones across all surfaces without altering the hue saturation or brightness of any elements remove any visible signs of manual color editing or patchy areas on the shelter structure seamlessly blend the edited surfaces so the result looks natural and photorealistic improve texture consistency refine shadows and reflections and maintain realistic lighting conditions the final image should appear cohesive and professionally rendered with no visible edits and no color changes