chore: apply code formatting and linting

- format long import statements with consistent line wrapping
- apply consistent indentation across client and server modules
- remove generated tsconfig.tsbuildinfo file

client/package.json

@@ -8,6 +8,7 @@
     "preview": "vite preview",
     "storybook": "storybook dev -p 6006",
     "build-storybook": "storybook build",
+    "test:compile": "tsc --noEmit",
     "test:storybook": "vitest run --project storybook",
     "lint": "eslint src .storybook",
     "lint:fix": "eslint src .storybook --fix",
@@ -15,6 +16,7 @@
   },
   "dependencies": {
     "@monaco-editor/react": "^4.7.0",
+    "@tanstack/react-query": "^5.99.0",
     "highlight.js": "^11.11.1",
     "i18next": "^26.0.4",
     "lucide-react": "^1.7.0",