replace all existing chairs in the restaurant scene with the chair from the reference image use the reference chair design as the only chair type in the scene preserving its key features light beige upholstered seat curved backrest and dark wooden legs keep the original restaurant environment unchanged including table layout spacing lighting conditions and camera perspective ensure each chair is properly aligned with the tables maintaining correct scale realistic proportions and consistent orientation apply physically accurate lighting and shadows so the new chairs blend naturally into the scene matching the ambient light and window light direction the result should be highly photorealistic with clean geometry no distortion no floating elements and no duplicated artifacts maintain the original interior design style and atmosphere