Update bot market type

src/Managing.Infrastructure.Database/PostgreSql/Entities/BacktestEntity.cs

@@ -50,6 +50,10 @@ public class BacktestEntity
     [Required]
     public int Timeframe { get; set; }
 
+    // Stored trading type as enum numeric value for direct filtering
+    [Required]
+    public int TradingType { get; set; }
+
     // Comma-separated indicator types for filtering, e.g., "EMA_CROSS,MACD_CROSS"
     [Column(TypeName = "text")]
     public string IndicatorsCsv { get; set; } = string.Empty;