Fix backtest consistency

src/Managing.Application/Trading/TradingService.cs

@@ -1,5 +1,4 @@
-using System.Collections.Concurrent;
-using Managing.Application.Abstractions.Repositories;
+using Managing.Application.Abstractions.Repositories;
 using Managing.Application.Abstractions.Services;
 using Managing.Domain.Accounts;
 using Managing.Domain.Bots;
@@ -432,7 +431,6 @@ public class TradingService : ITradingService
 
     /// <summary>
     /// Calculates indicators values for a given scenario and candles.
-    /// Uses parallel processing for independent indicator calculations to improve performance.
     /// </summary>
     /// <param name="scenario">The scenario containing indicators.</param>
     /// <param name="candles">The candles to calculate indicators for.</param>
@@ -441,7 +439,7 @@ public class TradingService : ITradingService
         Scenario scenario,
         HashSet<Candle> candles)
     {
-        // Offload CPU-bound indicator calculations to thread pool with parallel processing
+        // Offload CPU-bound indicator calculations to thread pool
         return await Task.Run(() =>
         {
             var indicatorsValues = new Dictionary<IndicatorType, IndicatorsResultBase>();
@@ -451,39 +449,19 @@ public class TradingService : ITradingService
                 return indicatorsValues;
             }
 
-            // Use parallel processing for independent indicator calculations
-            // Configure parallelism based on indicator count and system capabilities
-            var maxDegreeOfParallelism = Math.Min(scenario.Indicators.Count, Environment.ProcessorCount);
-
-            var options = new ParallelOptions
-            {
-                MaxDegreeOfParallelism = maxDegreeOfParallelism,
-                CancellationToken = CancellationToken.None
-            };
-
-            // Use thread-safe concurrent dictionary for parallel writes
-            var concurrentResults = new ConcurrentDictionary<IndicatorType, IndicatorsResultBase>();
-
-            // Parallel calculation of indicators
-            Parallel.ForEach(scenario.Indicators, options, indicator =>
+            // Build indicators from scenario
+            foreach (var indicator in scenario.Indicators)
             {
                 try
                 {
                     var buildedIndicator = ScenarioHelpers.BuildIndicator(ScenarioHelpers.BaseToLight(indicator));
-                    var result = buildedIndicator.GetIndicatorValues(candles);
-                    concurrentResults[indicator.Type] = result;
+                    indicatorsValues[indicator.Type] = buildedIndicator.GetIndicatorValues(candles);
                 }
                 catch (Exception ex)
                 {
                     _logger.LogError(ex, "Error calculating indicator {IndicatorName}: {ErrorMessage}",
                         indicator.Name, ex.Message);
                 }
-            });
-
-            // Convert to regular dictionary for return
-            foreach (var kvp in concurrentResults)
-            {
-                indicatorsValues[kvp.Key] = kvp.Value;
             }
 
             return indicatorsValues;