- Added ORATS API client with authentication (X-API-Key header)
- Implemented market data routes with ORATS → mock fallback
- Added ORATS status endpoint (/api/orats/status)
- Configured API key in .env (currently returning Forbidden - needs verification)
- Market data endpoints: /api/market/:symbol/summary, /gex, /expirations
- Screener endpoint uses ORATS when available, falls back to mock