Automate RC8 release journeys

frontend/package.json

@@ -7,7 +7,9 @@
     "start": "vite",
     "build": "tsc -b && vite build",
     "preview": "vite preview",
-    "typecheck": "tsc -p tsconfig.json --noEmit"
+    "typecheck": "tsc -p tsconfig.json --noEmit",
+    "test:unit": "vitest run",
+    "test:e2e": "node e2e/releaseJourneys.mjs"
   },
   "engines": {
     "node": "^20.19.0 || >=22.12.0"
@@ -18,10 +20,14 @@
     "react-dom": "^18.2.0"
   },
   "devDependencies": {
+    "@testing-library/react": "^16.3.0",
     "@types/react": "^18.2.0",
     "@types/react-dom": "^18.2.0",
     "@vitejs/plugin-react": "^5.2.0",
+    "jsdom": "^26.1.0",
+    "playwright": "^1.61.1",
     "typescript": "^5.5.4",
-    "vite": "^7.3.6"
+    "vite": "^7.3.6",
+    "vitest": "^3.2.6"
   }
 }