diff --git a/package-lock.json b/package-lock.json
index 36a9c75..72af6c6 100644
--- a/package-lock.json
+++ b/package-lock.json
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+      },
+      "engines": {
+        "node": ">=20.0.0"
+      },
+      "peerDependencies": {
+        "react": ">=18",
+        "react-dom": ">=18"
+      },
+      "peerDependenciesMeta": {
+        "react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "packages/frontend/node_modules/std-env": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/std-env/-/std-env-4.1.0.tgz",
+      "integrity": "sha512-Rq7ybcX2RuC55r9oaPVEW7/xu3tj8u4GeBYHBWCychFtzMIr86A7e3PPEBPT37sHStKX3+TiX/Fr/ACmJLVlLQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "packages/frontend/node_modules/typescript": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.3.tgz",
@@ -22089,6 +22590,137 @@
       "engines": {
         "node": ">=14.17"
       }
+    },
+    "packages/frontend/node_modules/vitest": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/vitest/-/vitest-4.1.0.tgz",
+      "integrity": "sha512-YbDrMF9jM2Lqc++2530UourxZHmkKLxrs4+mYhEwqWS97WJ7wOYEkcr+QfRgJ3PW9wz3odRijLZjHEaRLTNbqw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/expect": "4.1.0",
+        "@vitest/mocker": "4.1.0",
+        "@vitest/pretty-format": "4.1.0",
+        "@vitest/runner": "4.1.0",
+        "@vitest/snapshot": "4.1.0",
+        "@vitest/spy": "4.1.0",
+        "@vitest/utils": "4.1.0",
+        "es-module-lexer": "^2.0.0",
+        "expect-type": "^1.3.0",
+        "magic-string": "^0.30.21",
+        "obug": "^2.1.1",
+        "pathe": "^2.0.3",
+        "picomatch": "^4.0.3",
+        "std-env": "^4.0.0-rc.1",
+        "tinybench": "^2.9.0",
+        "tinyexec": "^1.0.2",
+        "tinyglobby": "^0.2.15",
+        "tinyrainbow": "^3.0.3",
+        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0-0",
+        "why-is-node-running": "^2.3.0"
+      },
+      "bin": {
+        "vitest": "vitest.mjs"
+      },
+      "engines": {
+        "node": "^20.0.0 || ^22.0.0 || >=24.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "@edge-runtime/vm": "*",
+        "@opentelemetry/api": "^1.9.0",
+        "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
+        "@vitest/browser-playwright": "4.1.0",
+        "@vitest/browser-preview": "4.1.0",
+        "@vitest/browser-webdriverio": "4.1.0",
+        "@vitest/ui": "4.1.0",
+        "happy-dom": "*",
+        "jsdom": "*",
+        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0-0"
+      },
+      "peerDependenciesMeta": {
+        "@edge-runtime/vm": {
+          "optional": true
+        },
+        "@opentelemetry/api": {
+          "optional": true
+        },
+        "@types/node": {
+          "optional": true
+        },
+        "@vitest/browser-playwright": {
+          "optional": true
+        },
+        "@vitest/browser-preview": {
+          "optional": true
+        },
+        "@vitest/browser-webdriverio": {
+          "optional": true
+        },
+        "@vitest/ui": {
+          "optional": true
+        },
+        "happy-dom": {
+          "optional": true
+        },
+        "jsdom": {
+          "optional": true
+        },
+        "vite": {
+          "optional": false
+        }
+      }
+    },
+    "packages/frontend/node_modules/vitest/node_modules/@vitest/mocker": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@vitest/mocker/-/mocker-4.1.0.tgz",
+      "integrity": "sha512-evxREh+Hork43+Y4IOhTo+h5lGmVRyjqI739Rz4RlUPqwrkFFDF6EMvOOYjTx4E8Tl6gyCLRL8Mu7Ry12a13Tw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@vitest/spy": "4.1.0",
+        "estree-walker": "^3.0.3",
+        "magic-string": "^0.30.21"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "msw": "^2.4.9",
+        "vite": "^6.0.0 || ^7.0.0 || ^8.0.0-0"
+      },
+      "peerDependenciesMeta": {
+        "msw": {
+          "optional": true
+        },
+        "vite": {
+          "optional": true
+        }
+      }
+    },
+    "packages/frontend/node_modules/ws": {
+      "version": "8.21.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.21.0.tgz",
+      "integrity": "sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
     }
   }
 }
diff --git a/packages/backend/package.json b/packages/backend/package.json
index bfa618b..381caf9 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -46,6 +46,6 @@
     "tsconfig-paths": "^4.2.0",
     "typescript": "^6.0.0",
     "typescript-eslint": "^8.24.0",
-    "vitest": "^4.0.16"
+    "vitest": "^4.1.0"
   }
 }
diff --git a/packages/frontend/package.json b/packages/frontend/package.json
index d514a85..2f5c3f6 100644
--- a/packages/frontend/package.json
+++ b/packages/frontend/package.json
@@ -17,7 +17,7 @@
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "react-error-boundary": "^6.1.0",
-    "react-router": "^7.13.0",
+    "react-router": "^7.15.0",
     "uuid": "^14.0.0"
   },
   "devDependencies": {
@@ -46,7 +46,7 @@
     "typescript-eslint": "^8.56.0",
     "vite": "^7.3.3",
     "vite-plugin-pwa": "^1.1.0",
-    "vitest": "^4.0.16",
+    "vitest": "^4.1.0",
     "vitest-browser-react": "^2.0.2",
     "workbox-core": "^7.3.0",
     "workbox-window": "^7.4.0"