big upgrade

package.json

@@ -58,6 +58,7 @@
     "motion": "^12.29.2",
     "next-themes": "^0.3.0",
     "ogl": "^1.0.11",
+    "postprocessing": "^6.36.4",
     "react": "^18.3.1",
     "react-day-picker": "^8.10.1",
     "react-dom": "^18.3.1",
@@ -85,6 +86,7 @@
     "eslint": "^9.32.0",
     "eslint-plugin-react-hooks": "^5.2.0",
     "eslint-plugin-react-refresh": "^0.4.20",
+    "fast-check": "^4.7.0",
     "globals": "^15.15.0",
     "jsdom": "^20.0.3",
     "lovable-tagger": "^1.1.13",