Add ESLint plugin to Vite configuration for improved linting support

apps/frontend/package.json

@@ -7,6 +7,7 @@
     "dev": "react-router dev",
     "start": "react-router-serve ./build/server/index.js",
     "typecheck": "react-router typegen && tsc",
+    "lint": "eslint .",
     "test": "echo \"No tests specified\" && exit 0",
     "generate:openapi": "typed-openapi ../api/swagger.json --tanstack tanstack-client.ts -o ./app/generated/api-client/api-client.ts"
   },
@@ -16,6 +17,7 @@
     "@react-router/serve": "^7.9.2",
     "@tanstack/react-query": "^5.90.12",
     "axios": "^1.13.2",
+    "globals": "^16.5.0",
     "isbot": "^5.1.31",
     "radix-ui": "^1.4.3",
     "react": "^19.1.1",
@@ -23,16 +25,22 @@
     "react-router": "^7.9.2"
   },
   "devDependencies": {
+    "@eslint/js": "^9.39.2",
     "@react-router/dev": "^7.9.2",
     "@tailwindcss/vite": "^4.1.13",
     "@types/node": "^22",
     "@types/react": "^19.1.13",
     "@types/react-dom": "^19.1.9",
     "dotenv": "^17.2.3",
+    "eslint": "^9.39.2",
+    "eslint-plugin-react": "^7.37.5",
+    "eslint-plugin-react-hooks": "^7.0.1",
     "tailwindcss": "^4.1.13",
     "typed-openapi": "^2.2.3",
     "typescript": "^5.9.2",
+    "typescript-eslint": "^8.50.0",
     "vite": "^7.1.7",
+    "vite-plugin-eslint": "^1.8.1",
     "vite-tsconfig-paths": "^5.1.4"
   }
 }