virtually enhance the provided interior render critical hard constraints this is not a redesign or restyling task this is a strict enhancement of an already defined scene you are only allowed to recolor the existing sofa upholstery to a rich deep purple add minimal decorative elements rug cushions small decor where visible absolute prohibitions do not change any geometry do not alter the shape proportions silhouette or structure of any furniture do not rebuild reinterpret or replace the sofa under any circumstances do not change any non sofa furniture desk office chair storage architecture sofa geometry lock critical the sofa must remain exactly identical in shape proportions cushion segmentation backrest height armrest geometry overall silhouette only the upholstery color may change do not add remove merge or split any sofa elements do not smooth reshape or redesign the sofa in any way upholstery change only allowed modification recolor only the sofa fabric to a rich deep purple preserve original material appearance folds seams and structure no stylistic reinterpretation office chair keep exactly unchanged geometry material color desk and architecture keep exactly unchanged geometry materials layout coffee table keep exactly unchanged optional minimal decor only if already naturally visible small tray one candle or sculptural object small stack of books magazines rug strict definition add one rug only if visible under the seating area must be soft fluffy texture no pattern neutral tone off white beige or very light grey do not introduce patterned persian or stylized rugs sofa styling add 2 3 cushions maximum neutral scandinavian tones only cushions must not alter sofa geometry or silhouette wall art add 1 2 abstract artworks if visible minimal scandinavian style thin frames low contrast plants add 1 2 small indoor plants if visible matte neutral planters no large or dominant plants lighting preserve original lighting direction and intensity only enhance realism soft shadows exposure balance do not introduce new lighting setups important the sofa must not be redesigned under any circumstance if any modification risks altering geometry do not apply it preserve the input image as the primary structural reference final result the same scene same geometry same composition with sofa recolored to deep purple optional minimal decor consistent rug if visible zero geometric changes to any object
