support for multiple users

package.json

@@ -18,11 +18,13 @@
     "bindings": "^1.5.0",
     "dotenv": "^17.2.3",
     "fastify": "^5.6.2",
+    "jsonwebtoken": "^9.0.3",
     "node-addon-api": "^8.5.0",
     "playwright-chromium": "1.57.0",
     "sqlite3": "^5.1.7"
   },
   "devDependencies": {
+    "@types/jsonwebtoken": "^9.0.10",
     "@types/node": "^24.0.0",
     "electron": "^39.2.5",
     "node-gyp": "^12.1.0",