Implement Jupiter-style trading chart with lightweight-charts

- Add TradingView Lightweight Charts library for professional chart display
- Create TradingChart component with real-time candlestick data
- Implement position overlays (entry, stop loss, take profit lines)
- Add chart header with symbol and price information
- Create CompactTradingPanel for Jupiter-style order form
- Build ChartTradingPage combining chart and trading panel
- Add demo and test pages for chart functionality
- Use dynamic imports to avoid SSR issues with lightweight-charts
- Generate sample price data for demonstration

Features:
- Full-screen candlestick chart with dark theme
- Position markers on chart (blue entry, red SL, green TP)
- Real-time price display and P&L tracking
- Responsive design with proper chart resizing
- Professional trading interface similar to Jupiter Perps

app/api/trading/execute-perp/route.js

@@ -66,7 +66,23 @@ export async function POST(request) {
       )
     }
 
-    // For now, simulate perpetual trades until Jupiter Perpetuals integration is complete
+    // Check if we should use real DEX or simulation
+    if (useRealDEX) {
+      console.log('🚀 Executing REAL perpetual trade via Jupiter Perpetuals')
+      
+      // TODO: Implement actual Jupiter Perpetuals integration here
+      // For now, return an error indicating real trading is not yet implemented
+      return NextResponse.json(
+        {
+          success: false,
+          error: 'Real Jupiter Perpetuals trading not yet implemented. Set useRealDEX: false for simulation mode.',
+          feature: 'JUPITER_PERPS_REAL_TRADING',
+          status: 'IN_DEVELOPMENT'
+        },
+        { status: 501 } // Not Implemented
+      )
+    }
+    
     console.log('🎮 Executing SIMULATED perpetual trade (Jupiter Perps integration in development)')
     
     // Normalize side for perps