Fix Runtime

src/Managing.Api/Controllers/DataController.cs

@@ -499,6 +499,9 @@ public class DataController : ControllerBase
             NetPnL = strategy.NetPnL,
             ROIPercentage = strategy.Roi,
             Runtime = strategy.Status == BotStatus.Running ? strategy.LastStartTime : null,
+                LastStartTime = strategy.LastStartTime,
+                LastStopTime = strategy.LastStopTime,
+                AccumulatedRunTimeSeconds = strategy.AccumulatedRunTimeSeconds,
             TotalRuntimeSeconds = strategy.GetTotalRuntimeSeconds(),
             WinRate = winRate,
             TotalVolumeTraded = totalVolume,

src/Managing.Api/Models/Responses/UserStrategyDetailsViewModel.cs

@@ -42,6 +42,21 @@ namespace Managing.Api.Models.Responses
         /// </summary>
         public long TotalRuntimeSeconds { get; set; }
 
+        /// <summary>
+        /// Time when the current or last session started
+        /// </summary>
+        public DateTime? LastStartTime { get; set; }
+
+        /// <summary>
+        /// Time when the last session stopped (null if currently running)
+        /// </summary>
+        public DateTime? LastStopTime { get; set; }
+
+        /// <summary>
+        /// Total accumulated runtime across all past sessions (seconds)
+        /// </summary>
+        public long AccumulatedRunTimeSeconds { get; set; }
+
         /// <summary>
         /// Average percentage of successful trades
         /// </summary>