Update dependencies and clean up node_modules

Updated core dependencies in package.json and pnpm-lock.yaml, including fumadocs, next, react, and related packages. Cleaned up node_modules in packages/site by removing symlinks and binaries, likely as part of a dependency update or migration.

Author: hotlong

package.json

@@ -10,9 +10,14 @@
     "translate:all": "objectdocs translate --all"
   },
   "dependencies": {
-    "client-only": "^0.0.1",
-    "server-only": "^0.0.1",
-    "next": "^16.1.2"
+    "fumadocs-core": "16.4.7",
+    "fumadocs-mdx": "14.2.5",
+    "fumadocs-ui": "16.4.7",
+    "lucide-react": "^0.562.0",
+    "next": "16.1.1",
+    "react": "^19.2.3",
+    "react-dom": "^19.2.3",
+    "tailwind-merge": "^3.4.0"
   },
   "devDependencies": {
     "@objectdocs/cli": "workspace:*"