{"name":"User Preferences API","version":"1.0.0","description":"REST API for persisting user preferences (TradingView chart layouts)","documentation":{"swagger":"/api-docs","openapi":"/swagger.json"},"authentication":{"type":"Privy JWT","header":"Authorization: Bearer <privy-token>","note":"Users must first be registered via the main StableJack application"},"endpoints":{"tvLayoutGet":"GET /v1/preferences/tv-layout?venue=PERPS&symbol=BTC&version=v1","tvLayoutPut":"PUT /v1/preferences/tv-layout","health":"GET /health"}}