Add support for zone entities in bridge reification

bridge/src/lib.rs

@@ -198,6 +198,18 @@ impl Reify for BridgeState {
                             .intensity(intensity);
                         Some(light.build())
                     }
+                    7 => {
+                        // Zone entity: use asteroids Zone element
+                        eprintln!("[bridge/reify] Zone entity type detected for node {}.", id);
+                        let color = ast::elements::RgbaLinear::new(
+                            node.color[0], node.color[1], node.color[2], node.color[3]
+                        );
+                        let size = glam::Vec3::from(node.dimensions);
+                        let zone = ast::elements::Zone::new()
+                            .color(color)
+                            .size([size.x, size.y, size.z]);
+                        Some(zone.build())
+                    }
                     _ => {
                         match Model::direct(&model_path) {
                             Ok(mut model) => {