- Add pydantic-settings dependency
- Create centralized config.py with nested settings groups:
- DatabaseSettings: PostgreSQL connection validation
- RedisSettings: Redis connection with defaults
- PolygonSettings: RPC endpoints with fallback support
- PolymarketSettings: WebSocket URL and optional API key
- DiscordSettings: Optional webhook for alerts
- TelegramSettings: Optional bot token/chat ID for alerts
- Implement singleton pattern with get_settings() and LRU cache
- Add redacted_summary() for logging config without exposing secrets
- Support .env file loading via python-dotenv
- Add comprehensive test suite (26 tests)
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Co-Authored-By: Claude <noreply@anthropic.com>
Patrick Selamy