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

Dockerfile

@@ -0,0 +1,89 @@
+# Trading Bot v4 - Production Docker Image
+# Multi-stage build for optimal size and security
+
+# ================================
+# Stage 1: Dependencies
+# ================================
+FROM node:20-alpine AS deps
+
+# Install system dependencies for native modules
+RUN apk add --no-cache \
+    python3 \
+    make \
+    g++ \
+    libc6-compat
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies (use npm install since we don't have package-lock.json yet)
+RUN npm install --production && \
+    npm cache clean --force
+
+# ================================
+# Stage 2: Builder
+# ================================
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy dependencies from deps stage
+COPY --from=deps /app/node_modules ./node_modules
+
+# Copy source code
+COPY . .
+
+# Build Next.js application
+ENV NEXT_TELEMETRY_DISABLED 1
+ENV NODE_ENV production
+
+RUN npm run build
+
+# ================================
+# Stage 3: Runner (Production)
+# ================================
+FROM node:20-alpine AS runner
+
+# Install dumb-init for proper signal handling
+RUN apk add --no-cache dumb-init
+
+WORKDIR /app
+
+# Create non-root user
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs
+
+# Copy necessary files from builder
+COPY --from=builder /app/next.config.js ./
+COPY --from=builder /app/package*.json ./
+
+# Copy Next.js build output
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+# Copy node_modules
+COPY --from=deps --chown=nextjs:nodejs /app/node_modules ./node_modules
+
+# Set environment variables
+ENV NODE_ENV production
+ENV NEXT_TELEMETRY_DISABLED 1
+ENV PORT 3000
+ENV HOSTNAME "0.0.0.0"
+
+# Expose port
+EXPOSE 3000
+
+# Switch to non-root user
+USER nextjs
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
+
+# Use dumb-init to handle signals properly
+ENTRYPOINT ["dumb-init", "--"]
+
+# Start the application
+CMD ["node", "server.js"]