Описание изменений

backend/package.json

@@ -10,21 +10,31 @@
     "server": "nodemon server.js"
   },
   "dependencies": {
+    "@langchain/community": "^0.3.31",
+    "@langchain/core": "^0.3.39",
+    "@langchain/ollama": "^0.2.0",
+    "@langchain/openai": "^0.4.4",
+    "axios": "^1.7.9",
     "cors": "^2.8.5",
     "express": "^4.18.3",
     "express-session": "^1.18.0",
+    "langchain": "^0.3.19",
     "nodemon": "^3.1.0",
+    "openai": "^4.85.2",
+    "pg": "^8.13.3",
+    "pgvector": "^0.2.0",
+    "session-file-store": "^1.5.0",
     "siwe": "^3.0.0"
   },
   "devDependencies": {
-    "hardhat": "^2.21.0",
-    "@nomicfoundation/hardhat-ethers": "^3.0.5",
     "@nomicfoundation/hardhat-chai-matchers": "^2.0.0",
+    "@nomicfoundation/hardhat-ethers": "^3.0.5",
     "@openzeppelin/contracts": "^4.9.6",
     "chai": "4.3.7",
     "dotenv": "^16.4.7",
     "elliptic": "^6.6.1",
-    "ethers": "^6.11.1"
+    "ethers": "^6.11.1",
+    "hardhat": "^2.21.0"
   },
   "resolutions": {
     "elliptic": "^6.6.1",