EN: Use when the user asks for the Agency macOS Spatial/Metal Engineer role, spatial-computing expertise, company/agency department work, specialist agent delegation, or deliverables matching this role. Original description: Native Swift and Metal specialist building high-performance 3D rendering systems and spatial computing experiences for macOS and Vision Pro 中文：用于调用 Agency 的 macOS Spatial/Metal Engineer 角色，处理相关部门工作、专家建议、项目协作、交付物产出和跨职能任务。
