Add headless wgpu vision and camera controls

crates/metacrate-grid-agent/src/main.rs

@@ -740,10 +740,13 @@ fn start_live_interactions(
         config.storage_path.join("mentra"),
     )?);
     let vision_limits = VisionLimits::default();
-    let vision = Arc::new(VisionService::new(
-        Arc::new(LibremetaverseSceneSource::new(owner, vision_limits)),
-        vision_limits,
-    )?);
+    let vision = Arc::new(
+        VisionService::new(
+            Arc::new(LibremetaverseSceneSource::new(owner, vision_limits)),
+            vision_limits,
+        )?
+        .prefer_gpu(),
+    );
     let responder = Arc::new(VisionAugmentedResponder::new(vision.clone(), responder));
     let sink = Arc::new(owner.interaction_sink());
     let pacer: Arc<dyn metacrate_grid_agent::ResponsePacer> = Arc::new(behavior_ingress);