Add agent balance fetch from proxy

src/Managing.Infrastructure.Database/Migrations/20250815134309_AddTotalBalanceToAgent.cs

@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Managing.Infrastructure.Databases.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTotalBalanceToAgent : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<decimal>(
+                name: "TotalBalance",
+                table: "AgentSummaries",
+                type: "numeric(18,8)",
+                precision: 18,
+                scale: 8,
+                nullable: false,
+                defaultValue: 0m);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "TotalBalance",
+                table: "AgentSummaries");
+        }
+    }
+}

src/Managing.Infrastructure.Database/Migrations/ManagingDbContextModelSnapshot.cs

@@ -90,6 +90,10 @@ namespace Managing.Infrastructure.Databases.Migrations
                     b.Property<DateTime?>("Runtime")
                         .HasColumnType("timestamp with time zone");
 
+                    b.Property<decimal>("TotalBalance")
+                        .HasPrecision(18, 8)
+                        .HasColumnType("numeric(18,8)");
+
                     b.Property<decimal>("TotalPnL")
                         .HasColumnType("decimal(18,8)");
 

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

@@ -545,6 +545,7 @@ public class ManagingDbContext : DbContext
             entity.Property(e => e.UpdatedAt).IsRequired();
             entity.Property(e => e.ActiveStrategiesCount).IsRequired();
             entity.Property(e => e.TotalVolume).HasPrecision(18, 8);
+            entity.Property(e => e.TotalBalance).HasPrecision(18, 8);
 
             // Create indexes for common queries
             entity.HasIndex(e => e.UserId).IsUnique();