feat: Smart AI Trading Bot for XAUUSD with ML and SMC

- XGBoost ML model with 37 features for market direction prediction
- Smart Money Concepts (SMC): Order Blocks, FVG, BOS, CHoCH
- HMM market regime detection (trending/ranging/volatile)
- ATR-based stop loss with 1.5 ATR minimum distance
- Broker-level SL protection with fallback
- Time-based exit (max 6 hours per trade)
- Session-aware trading optimized for London/NY overlap
- Auto-retraining based on market conditions
- Telegram notifications and web dashboard
- Backtest results: 63.9% win rate, 2.64 profit factor, 4.83 Sharpe

Backtest period: Jan 2025 - Feb 2026, 654 trades, $4,189 net P/L

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

web-dashboard/src/hooks/use-trading-data.ts

@@ -0,0 +1,50 @@
+"use client";
+
+import { useState, useEffect, useCallback } from 'react';
+import type { TradingStatus } from '@/types/trading';
+
+const API_URL = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:8000';
+
+export function useTradingData() {
+  const [data, setData] = useState<TradingStatus | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [lastFetch, setLastFetch] = useState<Date | null>(null);
+
+  const fetchData = useCallback(async () => {
+    try {
+      const res = await fetch(`${API_URL}/api/status`, {
+        cache: 'no-store',
+      });
+
+      if (!res.ok) {
+        throw new Error(`HTTP error: ${res.status}`);
+      }
+
+      const json = await res.json();
+      setData(json);
+      setError(null);
+      setLastFetch(new Date());
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Failed to fetch');
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  useEffect(() => {
+    // Initial fetch
+    fetchData();
+
+    // Poll every second
+    const interval = setInterval(fetchData, 1000);
+
+    return () => clearInterval(interval);
+  }, [fetchData]);
+
+  const dataAge = lastFetch
+    ? (Date.now() - lastFetch.getTime()) / 1000
+    : 999;
+
+  return { data, loading, error, dataAge, refetch: fetchData };
+}