Update CHAT_CONTEXT.md and related code for project JSON format and asset handling

src/runner-web/RunnerCanvas.tsx

@@ -74,14 +74,14 @@ export function RunnerCanvas({
     }
   }, [onFirstPersonTelemetryChange, onInteractionPromptChange, onRuntimeMessageChange]);
 
-  useEffect(() => {
-    hostRef.current?.loadScene(runtimeScene);
-  }, [runtimeScene]);
-
   useEffect(() => {
     hostRef.current?.updateAssets(projectAssets, loadedModelAssets);
   }, [projectAssets, loadedModelAssets]);
 
+  useEffect(() => {
+    hostRef.current?.loadScene(runtimeScene);
+  }, [runtimeScene]);
+
   useEffect(() => {
     hostRef.current?.setNavigationMode(navigationMode);
   }, [navigationMode]);