7626328c9c
- Fernet encrypt qd_exchange_credentials via SECRET_KEY (cryptography) - Remove global read-only demo middleware; drop is_demo from auth payloads - Egress whitelist: /api/credentials/egress-ip returns ipv4 + ipv6 (ipify) - Exchange factory: demo/testnet URLs and OKX simulated-trading header - Bitget spot connection test; misc route/service fixes Made-with: Cursor