Update dependencies and fix import paths

package.json

@@ -35,8 +35,10 @@
     "i18next-browser-languagedetector": "^7.2.0",
     "langchain": "^0.1.28",
     "lucide-react": "^0.350.0",
+    "ml-distance": "^4.0.1",
     "pdfjs-dist": "^4.0.379",
     "property-information": "^6.4.1",
+    "pubsub-js": "^1.9.4",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "react-i18next": "^14.1.0",
@@ -55,6 +57,7 @@
     "@types/chrome": "0.0.259",
     "@types/html-to-text": "^9.0.4",
     "@types/node": "20.11.9",
+    "@types/pubsub-js": "^1.8.6",
     "@types/react": "18.2.48",
     "@types/react-dom": "18.2.18",
     "@types/react-syntax-highlighter": "^15.5.11",