Working on session validation

ui/package.json

@@ -18,6 +18,7 @@
     "@mantine/notifications": "^7.17.2",
     "@tabler/icons-react": "^3.31.0",
     "d3": "^7.9.0",
+    "js-cookie": "^3.0.5",
     "leaflet": "^1.9.4",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
@@ -26,6 +27,7 @@
   "devDependencies": {
     "@eslint/js": "^9.21.0",
     "@types/d3": "^7.4.3",
+    "@types/js-cookie": "^3.0.6",
     "@types/leaflet": "^1.9.16",
     "@types/node": "^22.13.10",
     "@types/react": "^19.0.10",