Add sort agent by total volume and total balance

src/Managing.Common/Enums.cs

@@ -484,7 +484,9 @@ public static class Enums
         Losses,
         AgentName,
         CreatedAt,
-        UpdatedAt
+        UpdatedAt,
+        TotalVolume,
+        TotalBalance
     }
 
     /// <summary>

src/Managing.Infrastructure.Database/PostgreSql/AgentSummaryRepository.cs

@@ -210,6 +210,12 @@ public class AgentSummaryRepository : IAgentSummaryRepository
             SortableFields.UpdatedAt => isDescending
                 ? query.OrderByDescending(a => a.UpdatedAt)
                 : query.OrderBy(a => a.UpdatedAt),
+            SortableFields.TotalVolume => isDescending
+                ? query.OrderByDescending(a => a.TotalVolume)
+                : query.OrderBy(a => a.TotalVolume),
+            SortableFields.TotalBalance => isDescending
+                ? query.OrderByDescending(a => a.TotalBalance)
+                : query.OrderBy(a => a.TotalBalance),
             _ => isDescending
                 ? query.OrderByDescending(a => a.TotalPnL) // Default to TotalPnL desc
                 : query.OrderBy(a => a.TotalPnL)