Orlean (#32)

* Start building with orlean

* Add missing file

* Serialize grain state

* Remove grain and proxies

* update and add plan

* Update a bit

* Fix backtest grain

* Fix backtest grain

* Clean a bit

src/Managing.Application.Abstractions/Grains/IBacktestTradingBotGrain.cs

@@ -0,0 +1,45 @@
+using Managing.Domain.Backtests;
+using Managing.Domain.Bots;
+using Managing.Domain.Candles;
+using Managing.Domain.Users;
+using Orleans;
+
+namespace Managing.Application.Abstractions.Grains;
+
+/// <summary>
+/// Orleans grain interface for Backtest TradingBot operations.
+/// This interface extends ITradingBotGrain with backtest-specific functionality.
+/// </summary>
+public interface IBacktestTradingBotGrain : IGrainWithGuidKey
+{
+    /// <summary>
+    /// Runs a complete backtest following the exact pattern of GetBacktestingResult from Backtester.cs
+    /// </summary>
+    /// <param name="config">The trading bot configuration for this backtest</param>
+    /// <param name="candles">The candles to use for backtesting</param>
+    /// <param name="user">The user running the backtest (optional, required for saving)</param>
+    /// <param name="save">Whether to save the backtest results</param>
+    /// <param name="withCandles">Whether to include candles and indicators values in the response</param>
+    /// <param name="requestId">The request ID to associate with this backtest</param>
+    /// <param name="metadata">Additional metadata to associate with this backtest</param>
+    /// <returns>The complete backtest result</returns>
+    Task<LightBacktest> RunBacktestAsync(TradingBotConfig config, List<Candle> candles, User user = null, bool save = false, bool withCandles = false, string requestId = null, object metadata = null);
+
+    /// <summary>
+    /// Gets the current backtest progress
+    /// </summary>
+    /// <returns>Backtest progress information</returns>
+    Task<BacktestProgress> GetBacktestProgressAsync();
+}
+
+/// <summary>
+/// Represents the progress of a backtest
+/// </summary>
+public class BacktestProgress
+{
+    public bool IsInitialized { get; set; }
+    public int TotalCandles { get; set; }
+    public int ProcessedCandles { get; set; }
+    public double ProgressPercentage { get; set; }
+    public bool IsComplete { get; set; }
+}