- Updated AccountBalance interface to include netUsdValue and unrealizedPnl
- Enhanced getAccountBalance() to calculate Net USD Value (collateral + unrealized PnL)
- Added Net USD Value calculation from all position unrealized PnL
- Updated Dashboard.tsx to display Net USD Value as primary metric
- Added new stats card with emerald styling for Net USD Value
- Reorganized stats grid to 6 columns to accommodate new metric
- Net USD Value = Total Collateral + Total Unrealized PnL from all positions
- Updated Dashboard.tsx to remove demo data fallbacks
- Updated TradingHistory.tsx to use new Drift trading history endpoint
- Added getTradingHistory method to DriftTradingService
- Created new /api/drift/trading-history endpoint
- Removed fallback demo positions from getPositions method
- All UI components now show only real Drift account data or empty states
- No more hardcoded mock trades or positions