More fix

src/Managing.Application.Abstractions/Services/IBacktester.cs

@@ -7,6 +7,39 @@ namespace Managing.Application.Abstractions.Services
 {
     public interface IBacktester
     {
+        /// <summary>
+        /// Runs a unified trading bot backtest with the specified configuration and date range.
+        /// Automatically handles ScalpingBot and FlippingBot behavior based on config.BotType.
+        /// </summary>
+        /// <param name="config">The trading bot configuration</param>
+        /// <param name="startDate">The start date for the backtest</param>
+        /// <param name="endDate">The end date for the backtest</param>
+        /// <param name="user">The user running the backtest</param>
+        /// <param name="save">Whether to save the backtest results</param>
+        /// <param name="initialCandles">Optional pre-loaded candles</param>
+        /// <returns>The backtest results</returns>
+        Task<Backtest> RunTradingBotBacktest(
+            TradingBotConfig config,
+            DateTime startDate,
+            DateTime endDate,
+            User user = null,
+            bool save = false,
+            List<Candle>? initialCandles = null);
+
+        /// <summary>
+        /// Runs a unified trading bot backtest with pre-loaded candles.
+        /// Automatically handles ScalpingBot and FlippingBot behavior based on config.BotType.
+        /// </summary>
+        /// <param name="config">The trading bot configuration</param>
+        /// <param name="candles">The candles to use for backtesting</param>
+        /// <param name="user">The user running the backtest</param>
+        /// <returns>The backtest results</returns>
+        Task<Backtest> RunTradingBotBacktest(
+            TradingBotConfig config,
+            List<Candle> candles,
+            User user = null);
+
+        // Legacy methods - maintained for backward compatibility
         Task<Backtest> RunScalpingBotBacktest(
             TradingBotConfig config,
             DateTime startDate,