Working on session validation

ui/package-lock.json

@@ -15,6 +15,7 @@
         "@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",
@@ -23,6 +24,7 @@
       "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",
@@ -1847,6 +1849,13 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/js-cookie": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/@types/js-cookie/-/js-cookie-3.0.6.tgz",
+      "integrity": "sha512-wkw9yd1kEXOPnvEeEV1Go1MmxtBJL0RR79aOTAApecWFVu7w0NNXNqhcWgvw2YgZDYadliXkl14pa3WXw5jlCQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/json-schema": {
       "version": "7.0.15",
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
@@ -3494,6 +3503,15 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/js-cookie": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/js-cookie/-/js-cookie-3.0.5.tgz",
+      "integrity": "sha512-cEiJEAEoIbWfCZYKWhVwFuvPX1gETRYPw6LlaTKoxD3s2AkXzkCjnp6h0V77ozyqj0jakteJ4YqDJT830+lVGw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",