geometry lock highest priority treat the input as a strict reference model do not change the structure in any way do not modify resize reposition or redesign any windows or doors do not alter ceiling heights or any architectural elements keep all proportions alignments and details exactly as shown materials enhance only no changes keep all existing materials and siding exactly as designed do not change material types or locations only enhance textures to be more realistic with accurate depth scale and detail lighting render quality use realistic natural lighting and shadows high detail photorealistic material rendering final instruction enhance realism only do not redesign reinterpret or adjust any part of the building the structure windows doors roof and materials must remain exactly the same