Migrate DB driver from Neon-HTTP to node-postgres for improved compatibility

package.json

@@ -14,7 +14,6 @@
     "type-check": "tsc --noEmit"
   },
   "dependencies": {
-    "@neondatabase/serverless": "^0.10.4",
     "@upstash/redis": "^1.34.3",
     "bcryptjs": "^2.4.3",
     "crypto-js": "^4.2.0",
@@ -22,6 +21,7 @@
     "jose": "^6.0.11",
     "next": "16.1.4",
     "next-auth": "^5.0.0-beta.25",
+    "pg": "^8.17.2",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "uuid": "^11.1.0",
@@ -31,6 +31,7 @@
     "@tailwindcss/postcss": "^4",
     "@types/bcryptjs": "^2.4.6",
     "@types/node": "^20",
+    "@types/pg": "^8.16.0",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "@types/uuid": "^10.0.0",
@@ -40,4 +41,4 @@
     "tailwindcss": "^4",
     "typescript": "^5"
   }
-}
+}