{
  "id": "frontend-spa",
  "kind": "web",
  "summary": "Pure client-rendered SPA (renderMode: 'spa') — a fully interactive standalone tool with NO backend and NO SSR. Shows where a single-page app is the right call: state lives in the browser (localStorage), so server rendering would just be discarded on hydration.",
  "tags": ["web", "frontend", "spa", "client", "interactive", "standalone"]
}