chore: checkpoint premium 3d stages 0 and 1

Co-authored-by: Cursor <cursoragent@cursor.com>

package.json

@@ -29,7 +29,9 @@
   "dependencies": {
     "@react-three/drei": "^10.7.7",
     "@react-three/fiber": "^9.6.1",
+    "@react-three/postprocessing": "^3.0.4",
     "@vitejs/plugin-react": "latest",
+    "postprocessing": "^6.39.4",
     "react": "latest",
     "react-dom": "latest",
     "react-router-dom": "^7.18.1",