Refactoring TradingBotBase.cs + clean architecture (#38)

* Refactoring TradingBotBase.cs + clean architecture

* Fix basic tests

* Fix tests

* Fix workers

* Fix open positions

* Fix closing position stucking the grain

* Fix comments

* Refactor candle handling to use IReadOnlyList for chronological order preservation across various components

src/Managing.Api/Controllers/BotController.cs

@@ -814,7 +814,7 @@ public class BotController : BaseController
                 UseForSignalFiltering = request.Config.UseForSignalFiltering,
                 UseForDynamicStopLoss = request.Config.UseForDynamicStopLoss,
                 // Set computed/default properties
-                IsForBacktest = false,
+                TradingType = TradingType.Futures,
                 FlipPosition = request.Config.FlipPosition,
                 Name = request.Config.Name
             };
@@ -976,7 +976,7 @@ public class BotController : BaseController
             UseForSignalFiltering = request.Config.UseForSignalFiltering,
             UseForDynamicStopLoss = request.Config.UseForDynamicStopLoss,
             // Set computed/default properties
-            IsForBacktest = false,
+            TradingType = TradingType.Futures,
             FlipPosition = request.Config.FlipPosition,
             Name = request.Config.Name
         };