Fix worker and signal

src/Managing.Domain/Backtests/BundleBacktestRequest.cs

@@ -13,7 +13,7 @@ public class BundleBacktestRequest
         RequestId = Guid.NewGuid().ToString();
         CreatedAt = DateTime.UtcNow;
         Status = BundleBacktestRequestStatus.Pending;
-        Results = new List<Backtest>();
+        Results = new List<string>();
         BacktestRequestsJson = string.Empty;
     }
 
@@ -26,7 +26,7 @@ public class BundleBacktestRequest
         RequestId = requestId;
         CreatedAt = DateTime.UtcNow;
         Status = BundleBacktestRequestStatus.Pending;
-        Results = new List<Backtest>();
+        Results = new List<string>();
         BacktestRequestsJson = string.Empty;
     }
 
@@ -74,7 +74,7 @@ public class BundleBacktestRequest
     /// <summary>
     /// The results of the bundle backtest execution
     /// </summary>
-    public List<Backtest> Results { get; set; } = new();
+    public List<string> Results { get; set; } = new();
 
     /// <summary>
     /// Total number of backtests in the bundle