// Application-facing graphics contracts only. No AGX implementation is included. module agila pub struct Vec2 { pub: x f32; y f32 } pub struct Vec3 { pub: x f32; y f32; z f32 } pub struct MeshDescriptor { pub: vertex_count int index_count int } pub struct TextureDescriptor { pub: width int height int format string } pub fn validate_mesh(desc MeshDescriptor) ! { if desc.vertex_count <= 0 || desc.index_count <= 0 { return AgilaError{code: 20, message: 'Mesh counts must be positive'} } } pub fn submit_mesh(desc MeshDescriptor) ! { validate_mesh(desc)! println('[Agila SDK sandbox graphics] submitted mesh ${desc.vertex_count}/${desc.index_count}') }