Update payload

src/Managing.Application.Abstractions/Services/IKaigenService.cs

@@ -1,3 +1,5 @@
+using Managing.Domain.Users;
+
 namespace Managing.Application.Abstractions.Services;
 
 public interface IKaigenService
@@ -5,16 +7,16 @@ public interface IKaigenService
     /// <summary>
     /// Debits user credits for a backtest operation
     /// </summary>
-    /// <param name="userName">The username to debit</param>
+    /// <param name="user">The user to debit</param>
     /// <param name="debitAmount">The amount to debit</param>
     /// <returns>The request ID for tracking</returns>
-    Task<string> DebitUserCreditsAsync(string userName, decimal debitAmount);
+    Task<string> DebitUserCreditsAsync(User user, decimal debitAmount);
 
     /// <summary>
     /// Refunds user credits if debit operation fails
     /// </summary>
     /// <param name="requestId">The original request ID from debit operation</param>
-    /// <param name="userName">The username to refund</param>
+    /// <param name="user">The user to refund</param>
     /// <returns>True if refund was successful</returns>
-    Task<bool> RefundUserCreditsAsync(string requestId, string userName);
+    Task<bool> RefundUserCreditsAsync(string requestId, User user);
 }