Fix Runtime by adding TotalRuntimeInSeconds

src/Managing.Application/Bots/Grains/LiveTradingBotGrain.cs

@@ -170,6 +170,10 @@ public class LiveTradingBotGrain : Grain, ILiveTradingBotGrain, IRemindable
 
             // Set startup time when bot actually starts running
             _state.State.StartupTime = DateTime.UtcNow;
+            
+            // Track runtime: set LastStartTime when bot starts
+            _state.State.LastStartTime = DateTime.UtcNow;
+            
             await _state.WriteStateAsync();
 
             // Start the in-memory timer and persistent reminder
@@ -281,6 +285,18 @@ public class LiveTradingBotGrain : Grain, ILiveTradingBotGrain, IRemindable
             StopAndDisposeTimer();
             await UnregisterReminder();
 
+            // Track runtime: accumulate current session runtime when stopping
+            if (_state.State.LastStartTime.HasValue)
+            {
+                var currentSessionSeconds = (long)(DateTime.UtcNow - _state.State.LastStartTime.Value).TotalSeconds;
+                _state.State.AccumulatedRunTimeSeconds += currentSessionSeconds;
+                _state.State.LastStopTime = DateTime.UtcNow;
+                _state.State.LastStartTime = null; // Clear since bot is no longer running
+                
+                _logger.LogInformation("Bot {GrainId} accumulated {Seconds} seconds of runtime. Total: {TotalSeconds} seconds",
+                    this.GetPrimaryKey(), currentSessionSeconds, _state.State.AccumulatedRunTimeSeconds);
+            }
+
             // Sync state from the volatile TradingBotBase before destroying it
             SyncStateFromBase();
             await _state.WriteStateAsync();

src/Managing.Application/Bots/TradingBotGrainState.cs

@@ -121,4 +121,22 @@ public class TradingBotGrainState
     /// </summary>
     [Id(18)]
     public Candle? LastCandle { get; set; }
+
+    /// <summary>
+    /// The last time the bot was started (for runtime tracking)
+    /// </summary>
+    [Id(19)]
+    public DateTime? LastStartTime { get; set; }
+
+    /// <summary>
+    /// The last time the bot was stopped (for runtime tracking)
+    /// </summary>
+    [Id(20)]
+    public DateTime? LastStopTime { get; set; }
+
+    /// <summary>
+    /// Total accumulated runtime in seconds (excluding current session if running)
+    /// </summary>
+    [Id(21)]
+    public long AccumulatedRunTimeSeconds { get; set; }
 }