CRITICAL INFRASTRUCTURE:
- Database persistence layer with PostgreSQL/TimescaleDB
- Full order lifecycle tracking with audit trail
- Performance metrics and trade history
RESILIENT IBKR CONNECTOR:
- Auto-reconnection with exponential backoff
- Circuit breaker pattern for fault tolerance
- Connection health monitoring with heartbeat
- WebSocket support for real-time data
- Bracket order support (entry + stop + target)
ORDER MANAGEMENT SYSTEM:
- State machine for order lifecycle (pending→filled→closed)
- Idempotency to prevent duplicate orders
- Order validation with market checks
- Partial fill handling
- Comprehensive error handling
RISK MANAGEMENT ENGINE:
- Enforces position size limits (max 20%)
- Daily loss circuit breaker (5% limit)
- Concentration risk monitoring
- Pattern day trader rule compliance
- Correlation and volatility checks
- Portfolio health scoring
- Kelly Criterion position sizing
- Automatic stop-loss enforcement
This transforms the system from prototype to institutional-grade
with 99.9% target uptime and bank-level security practices.
Zygmunt Dyras