Folder convention

oney/
├── waniwani.config.ts          defineApp({ name, title, overview })
├── tools/
│   └── check-eligibility.ts    export default defineTool({ ..., run })
├── widgets/
│   └── select-plan/
│       ├── widget.ts           export default defineWidget({ ..., data })
│       └── ui.tsx              export default function Component()
├── flows/
│   └── split-payment.ts        export default createFlow(...).compile()   ← SDK
├── api/
│   └── cal/slots.ts            export default defineEndpoint({ ..., handler })
├── well-known/
│   └── openai-apps-challenge.ts   ditto, served at the root of the domain
└── lib/                        anything else is just modules