- Changed emergency stop from -2% to -1.5% hard limit - Changed MIN/MAX_SL_PERCENT from 0.8-2.0% range to fixed 1.3% - Changed legacy STOP_LOSS_PERCENT fallback to -1.3% - Based on TradingView backtesting with proper 7x leverage math: * 1.3% SL: Risk $127, Reward $157 (favorable ratio) * Higher SLs had risk > reward at 7x leverage on $1,400 capital