Meta Ray-Ban Audio Clubmaster glassesPhotographer: David Paul Morris/BloombergMeta Platforms Inc. is expanding its smart-glasses lineup with camera-free models, support for the popular new Muse assistant and a hearing-aid mode.At its Connect conference Wednesday, the social media giant unveiled the Ray-Ban Meta Audio, its first pair of glasses without cameras. The company also introduced a third-generation model of its camera-equipped Ray-Ban spectacles and new versions of its more affordable Me...