- Implement real-time fee and realized PnL tracking using get_executions.
- Rename 'side' column to 'trade' in CSV log and dashboard (Enter/Exit labels).
- Add automatic CSV header migration (side -> trade).
- Enhance dashboard with session PnL (USD/BTC), total fees, and used leverage.
- Improve signal detection with candle-internal crossover logic.
- Add robust retry mechanism with failure window tracking.
- Sync exchange leverage automatically based on direction.
- Update config with robustness and mode-specific leverage settings.
