feat: Complete Trading Bot v4 with Drift Protocol integration

Features:
- Autonomous trading system with Drift Protocol on Solana
- Real-time position monitoring with Pyth price feeds
- Dynamic stop-loss and take-profit management
- n8n workflow integration for TradingView signals
- Beautiful web UI for settings management
- REST API for trade execution and monitoring

- Next.js 15 with standalone output mode
- TypeScript with strict typing
- Docker containerization with multi-stage builds
- PostgreSQL database for trade history
- Singleton pattern for Drift client connection pooling
- BN.js for BigNumber handling (Drift SDK requirement)

- Configurable stop-loss and take-profit levels
- Breakeven trigger and profit locking
- Daily loss limits and trade cooldowns
- Slippage tolerance controls
- DRY_RUN mode for safe testing

- Real-time risk calculator
- Interactive sliders for all parameters
- Live preview of trade outcomes
- Position sizing and leverage controls
- Beautiful gradient design with Tailwind CSS

- POST /api/trading/execute - Execute trades
- POST /api/trading/close - Close positions
- GET /api/trading/positions - Monitor active trades
- GET /api/trading/check-risk - Validate trade signals
- GET /api/settings - View configuration
- POST /api/settings - Update configuration

- Fixed Borsh serialization errors (simplified order params)
- Resolved RPC rate limiting with singleton pattern
- Fixed BigInt vs BN type mismatches
- Corrected order execution flow
- Improved position state management

- Complete setup guides
- Docker deployment instructions
- n8n workflow configuration
- API reference documentation
- Risk management guidelines

- Runs on port 3001 (external), 3000 (internal)
- Uses Helius RPC for optimal performance
- Production-ready with error handling
- Health monitoring and logging

docker-build.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Trading Bot v4 - Docker Build Script
+# Builds production-ready Docker image
+
+set -e
+
+echo "🐳 Building Trading Bot v4 Docker Image..."
+echo ""
+
+# Navigate to v4 directory
+cd "$(dirname "$0")"
+
+# Check if .env exists
+if [ ! -f ".env" ]; then
+    echo "⚠️  Warning: .env file not found!"
+    echo "   Creating from .env.example..."
+    cp .env.example .env
+    echo "   ✅ .env created. Please edit it with your credentials."
+    echo ""
+fi
+
+# Build with BuildKit for better performance
+export DOCKER_BUILDKIT=1
+
+echo "📦 Building image with BuildKit..."
+docker-compose build --progress=plain
+
+echo ""
+echo "✅ Build complete!"
+echo ""
+echo "Next steps:"
+echo "  1. Edit .env file with your credentials"
+echo "  2. Run: docker-compose up -d"
+echo "  3. Check logs: docker-compose logs -f"
+echo ""