- Add ATR-based dynamic TP2 scaling from 0.7% to 3.0% based on volatility
- New config options: useAtrBasedTargets, atrMultiplierForTp2, minTp2Percent, maxTp2Percent
- Enhanced settings UI with ATR controls and updated risk calculator
- Fix external closure P&L calculation using unrealized P&L instead of volatile current price
- Update execute and test endpoints to use calculateDynamicTp2() function
- Maintain 25% runner system for capturing extended moves (4-5% targets)
- Add environment variables for ATR-based configuration
- Better P&L accuracy for manual position closures