Add migration for agent fees

src/Managing.Core/Models/GasFeeInfo.cs

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+

src/Managing.Infrastructure.Database/Migrations/20250928124028_AddTotalFeesToAgentSummary.cs

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