Add admin page for bundle

src/Managing.Domain/Backtests/BundleBacktestRequest.cs

@@ -13,6 +13,7 @@ public class BundleBacktestRequest
     {
         RequestId = Guid.NewGuid();
         CreatedAt = DateTime.UtcNow;
+        UpdatedAt = DateTime.UtcNow;
         Status = BundleBacktestRequestStatus.Pending;
         Results = new List<string>();
         UniversalConfigJson = string.Empty;
@@ -29,6 +30,7 @@ public class BundleBacktestRequest
     {
         RequestId = requestId;
         CreatedAt = DateTime.UtcNow;
+        UpdatedAt = DateTime.UtcNow;
         Status = BundleBacktestRequestStatus.Pending;
         Results = new List<string>();
         UniversalConfigJson = string.Empty;
@@ -149,6 +151,12 @@ public class BundleBacktestRequest
     /// Estimated time remaining in seconds
     /// </summary>
     public int? EstimatedTimeRemainingSeconds { get; set; }
+
+    /// <summary>
+    /// When the request was last updated
+    /// </summary>
+    [Required]
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
 }
 
 /// <summary>