Add clean-pdf dependencies and browserless dev service

package.json

@@ -34,14 +34,17 @@
     "better-auth": "^1.6.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "defuddle": "^0.19.1",
     "disposable-email-domains": "^1.0.62",
     "force-graph": "^1.51.4",
     "gray-matter": "^4.0.3",
     "iconv-lite": "^0.7.2",
+    "jsdom": "^29.1.1",
     "lucide-react": "^1.7.0",
     "next": "16.2.2",
     "next-themes": "^0.4.6",
     "pg": "^8.20.0",
+    "playwright-core": "^1.61.1",
     "react": "19.2.4",
     "react-dom": "19.2.4",
     "remark-parse": "^11.0.0",
@@ -54,6 +57,7 @@
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
     "@types/bcryptjs": "^2.4.6",
+    "@types/jsdom": "^28.0.3",
     "@types/node": "^20",
     "@types/pg": "^8.20.0",
     "@types/react": "^19",