feat: Add Multi-Pair Divergence Live Trading Module

- Introduced a new module for live trading based on the Multi-Pair Divergence Strategy.
- Implemented configuration classes for OKX API and multi-pair settings.
- Developed data feed functionality to fetch real-time OHLCV and funding data for multiple assets.
- Created a trading bot orchestrator to manage trading cycles, including entry and exit signals based on ML model predictions.
- Added comprehensive logging and error handling for robust operation.
- Included a README with setup instructions and usage guidelines for the new module.

check_demo_account.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+"""
+Check OKX demo account positions and recent orders.
+
+Usage:
+    uv run python check_demo_account.py
+"""
+import sys
+from pathlib import Path
+from datetime import datetime, timezone
+
+sys.path.insert(0, str(Path(__file__).parent))
+
+from live_trading.config import OKXConfig
+import ccxt
+
+
+def main():
+    """Check demo account status."""
+    config = OKXConfig()
+    
+    print(f"\n{'='*60}")
+    print(f"  OKX Demo Account Check")
+    print(f"{'='*60}")
+    print(f"  Demo Mode: {config.demo_mode}")
+    print(f"  API Key:   {config.api_key[:8]}..." if config.api_key else "  API Key: NOT SET")
+    print(f"{'='*60}\n")
+    
+    exchange = ccxt.okx({
+        'apiKey': config.api_key,
+        'secret': config.secret,
+        'password': config.password,
+        'sandbox': config.demo_mode,
+        'options': {'defaultType': 'swap'},
+        'enableRateLimit': True,
+    })
+    
+    # Check balance
+    print("--- BALANCE ---")
+    balance = exchange.fetch_balance()
+    usdt = balance.get('USDT', {})
+    print(f"USDT Total: {usdt.get('total', 0):.2f}")
+    print(f"USDT Free:  {usdt.get('free', 0):.2f}")
+    print(f"USDT Used:  {usdt.get('used', 0):.2f}")
+    
+    # Check all balances
+    print("\n--- ALL NON-ZERO BALANCES ---")
+    for currency, data in balance.items():
+        if isinstance(data, dict) and data.get('total', 0) > 0:
+            print(f"{currency}: total={data.get('total', 0):.6f}, free={data.get('free', 0):.6f}")
+    
+    # Check open positions
+    print("\n--- OPEN POSITIONS ---")
+    positions = exchange.fetch_positions()
+    open_positions = [p for p in positions if abs(float(p.get('contracts', 0))) > 0]
+    
+    if open_positions:
+        for pos in open_positions:
+            print(f"  {pos['symbol']}: {pos['side']} {pos['contracts']} contracts @ {pos.get('entryPrice', 'N/A')}")
+            print(f"    Unrealized PnL: {pos.get('unrealizedPnl', 'N/A')}")
+    else:
+        print("  No open positions")
+    
+    # Check recent orders (last 50)
+    print("\n--- RECENT ORDERS (last 24h) ---")
+    try:
+        # Fetch closed orders for AVAX
+        orders = exchange.fetch_orders('AVAX/USDT:USDT', limit=20)
+        if orders:
+            for order in orders[-10:]:  # Last 10
+                ts = datetime.fromtimestamp(order['timestamp']/1000, tz=timezone.utc)
+                print(f"  [{ts.strftime('%H:%M:%S')}] {order['side'].upper()} {order['amount']} AVAX @ {order.get('average', order.get('price', 'market'))}")
+                print(f"    Status: {order['status']}, Filled: {order.get('filled', 0)}, ID: {order['id']}")
+        else:
+            print("  No recent AVAX orders")
+    except Exception as e:
+        print(f"  Could not fetch orders: {e}")
+    
+    # Check order history more broadly
+    print("\n--- ORDER HISTORY (AVAX) ---")
+    try:
+        # Try fetching my trades
+        trades = exchange.fetch_my_trades('AVAX/USDT:USDT', limit=10)
+        if trades:
+            for trade in trades[-5:]:
+                ts = datetime.fromtimestamp(trade['timestamp']/1000, tz=timezone.utc)
+                print(f"  [{ts.strftime('%Y-%m-%d %H:%M:%S')}] {trade['side'].upper()} {trade['amount']} @ {trade['price']}")
+                print(f"    Fee: {trade.get('fee', {}).get('cost', 'N/A')} {trade.get('fee', {}).get('currency', '')}")
+        else:
+            print("  No recent AVAX trades")
+    except Exception as e:
+        print(f"  Could not fetch trades: {e}")
+    
+    print(f"\n{'='*60}\n")
+
+
+if __name__ == "__main__":
+    main()