refactor: Migrate documentation content, rebuild UI components, and update core architecture.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "docubook",
-  "version": "2.0.0-beta.1",
+  "version": "2.5.1",
   "private": true,
   "scripts": {
     "dev": "next dev",
@@ -31,8 +31,8 @@
     "geist": "^1.5.1",
     "gray-matter": "^4.0.3",
     "lucide-react": "^0.511.0",
-    "next": "16.1.3",
-    "next-mdx-remote": "^5.0.0",
+    "next": "^16.1.6",
+    "next-mdx-remote": "^6.0.0",
     "next-themes": "^0.4.4",
     "react": "19.2.3",
     "react-dom": "19.2.3",