missing dependencies

frontend/package.json

@@ -15,6 +15,8 @@
         "@portabletext/keyboard-shortcuts": "^1.1.1",
         "@portabletext/react": "4.0.3",
         "@portabletext/types": "2.0.14",
+        "@sanity/schema": "^4.9.0",
+        "@sanity/types": "^4.9.0",
         "autoprefixer": "^10.4.16",
         "axios": "^1.11.0",
         "cheerio": "^1.0.0-rc.12",
@@ -24,6 +26,7 @@
         "react": "^18",
         "react-dom": "^18",
         "react-dropzone": "^14.2.3",
+        "rxjs": "^7.8.1",
         "server-only": "^0.0.1",
         "tailwindcss": "^3.3.0"
   },