Update frontend dependencies and remove deprecated packages

Updated key frontend dependencies to latest stable versions and removed
deprecated react-flow-renderer package that was no longer in use.

Changes:
- Remove deprecated react-flow-renderer (unused in codebase)
- Update @tanstack/react-query to v5.59.0 (from v5.17.0)
- Update react-router-dom to v6.28.0 (from v6.20.0)
- Update axios to v1.7.9 (from v1.6.0)
- Update reactflow to v11.11.4 (from v11.10.1)
- Update lucide-react to v0.453.0 (from v0.294.0)
- Update vite to v5.4.10 (from v5.0.8)
- Update typescript to v5.6.3 (from v5.2.2)

Testing:
- Frontend builds successfully with updated dependencies
- TypeScript compilation passes without errors
- All dependency updates are backward compatible

Benefits:
- Latest security patches and bug fixes
- Improved performance and features
- Cleaner dependency tree without deprecated packages

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/package.json

@@ -16,20 +16,19 @@
     "@headlessui/react": "^1.7.17",
     "@heroicons/react": "^2.0.18",
     "@hookform/resolvers": "^3.3.0",
-    "@tanstack/react-query": "^5.17.0",
-    "axios": "^1.6.0",
+    "@tanstack/react-query": "^5.59.0",
+    "axios": "^1.7.9",
     "clsx": "^2.0.0",
     "date-fns": "^2.30.0",
     "framer-motion": "^10.16.0",
     "immer": "^10.0.3",
-    "lucide-react": "^0.294.0",
+    "lucide-react": "^0.453.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-flow-renderer": "^10.3.17",
     "react-hook-form": "^7.48.0",
     "react-hot-toast": "^2.4.0",
-    "react-router-dom": "^6.20.0",
-    "reactflow": "^11.10.1",
+    "react-router-dom": "^6.28.0",
+    "reactflow": "^11.11.4",
     "recharts": "^2.8.0",
     "socket.io-client": "^4.8.1",
     "sonner": "^2.0.6",
@@ -50,8 +49,8 @@
     "eslint-plugin-react-refresh": "^0.4.5",
     "postcss": "^8.4.32",
     "tailwindcss": "^3.3.6",
-    "typescript": "^5.2.2",
-    "vite": "^5.0.8"
+    "typescript": "^5.6.3",
+    "vite": "^5.4.10"
   },
   "browserslist": {
     "production": [