Fix agent volume

src/Managing.Application/Bots/Grains/AgentGrain.cs

@@ -9,6 +9,7 @@ using Managing.Common;
 using Managing.Core;
 using Managing.Core.Exceptions;
 using Managing.Domain.Bots;
+using Managing.Domain.Shared.Helpers;
 using Managing.Domain.Statistics;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
@@ -174,7 +175,7 @@ public class AgentGrain : Grain, IAgentGrain
 
             // Calculate aggregated statistics from position data
             var totalPnL = positions.Sum(p => p.ProfitAndLoss?.Realized ?? 0);
-            var totalVolume = positions.Sum(p => p.Open.Price * p.Open.Quantity * p.Open.Leverage);
+            var totalVolume = TradingBox.GetTotalVolumeTraded(positions);
             var collateral = positions.Sum(p => p.Open.Price * p.Open.Quantity);
             var totalFees = positions.Sum(p => p.CalculateTotalFees());