Add agent fees

src/Managing.Api/Controllers/DataController.cs

@@ -391,7 +391,7 @@ public class DataController : ControllerBase
         try
         {
             // Get all agent summaries
-            var allAgentSummaries = await _mediator.Send(new GetAllAgentSummariesCommand("Total"));
+            var allAgentSummaries = await _mediator.Send(new GetAllAgentSummariesCommand());
 
             // Filter agents with valid PnL data and order by PnL
             var agentsWithPnL = allAgentSummaries
@@ -638,6 +638,7 @@ public class DataController : ControllerBase
                 ActiveStrategiesCount = agentSummary.ActiveStrategiesCount,
                 TotalVolume = agentSummary.TotalVolume,
                 TotalBalance = agentSummary.TotalBalance,
+                TotalFees = agentSummary.TotalFees,
             };
 
             agentSummaryViewModels.Add(agentSummaryViewModel);

src/Managing.Api/Models/Responses/AgentSummaryViewModel.cs

@@ -47,6 +47,11 @@ namespace Managing.Api.Models.Responses
         /// Total balance including USDC and open position values (without leverage, including PnL)
         /// </summary>
         public decimal TotalBalance { get; set; }
+
+        /// <summary>
+        /// Total fees paid by this agent across all positions
+        /// </summary>
+        public decimal TotalFees { get; set; }
     }
 
     /// <summary>