Enhance UI, add AI integration, improve logging and database stats

src/Predictalytics.Domain/Entities/Trader.cs

@@ -58,6 +58,12 @@ public class Trader
     /// <summary>Win rate as a percentage (0-100).</summary>
     public decimal WinRate { get; set; }
 
+    /// <summary>AI-generated strategy summary based on trade history.</summary>
+    public string? AiStrategySummary { get; set; }
+
+    /// <summary>When the AI strategy summary was last updated.</summary>
+    public DateTime? AiStrategyUpdatedAt { get; set; }
+
     /// <summary>Total number of trades tracked.</summary>
     public int TotalTrades { get; set; }