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/Bots/TradingBotGrainState.cs

@@ -0,0 +1,117 @@
+using Managing.Domain.Bots;
+using Managing.Domain.Trades;
+using Managing.Domain.Users;
+using static Managing.Common.Enums;
+
+namespace Managing.Application.Bots;
+
+/// <summary>
+/// Orleans grain state for TradingBot.
+/// This class represents the persistent state of a trading bot grain.
+/// All properties must be serializable for Orleans state management.
+/// </summary>
+[GenerateSerializer]
+public class TradingBotGrainState
+{
+    /// <summary>
+    /// The trading bot configuration
+    /// </summary>
+    [Id(0)]
+    public TradingBotConfig Config { get; set; } = new();
+
+    /// <summary>
+    /// Collection of trading signals generated by the bot
+    /// </summary>
+    [Id(1)]
+    public HashSet<LightSignal> Signals { get; set; } = new();
+
+    /// <summary>
+    /// List of trading positions opened by the bot
+    /// </summary>
+    [Id(2)]
+    public List<Position> Positions { get; set; } = new();
+
+    /// <summary>
+    /// Historical wallet balances tracked over time
+    /// </summary>
+    [Id(3)]
+    public Dictionary<DateTime, decimal> WalletBalances { get; set; } = new();
+
+    /// <summary>
+    /// Current status of the bot (Running, Stopped, etc.)
+    /// </summary>
+    [Id(4)]
+    public BotStatus Status { get; set; } = BotStatus.Down;
+
+    /// <summary>
+    /// When the bot was started
+    /// </summary>
+    [Id(5)]
+    public DateTime StartupTime { get; set; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// When the bot was created
+    /// </summary>
+    [Id(6)]
+    public DateTime CreateDate { get; set; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// The user who owns this bot
+    /// </summary>
+    [Id(7)]
+    public User User { get; set; }
+
+    /// <summary>
+    /// Bot execution counter
+    /// </summary>
+    [Id(8)]
+    public long ExecutionCount { get; set; } = 0;
+
+    /// <summary>
+    /// Bot identifier/name
+    /// </summary>
+    [Id(9)]
+    public string Identifier { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Bot display name
+    /// </summary>
+    [Id(10)]
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// Preload start date for candles
+    /// </summary>
+    [Id(11)]
+    public DateTime PreloadSince { get; set; } = DateTime.UtcNow;
+
+    /// <summary>
+    /// Number of preloaded candles
+    /// </summary>
+    [Id(12)]
+    public int PreloadedCandlesCount { get; set; } = 0;
+
+    /// <summary>
+    /// Timer interval for bot execution
+    /// </summary>
+    [Id(13)]
+    public int Interval { get; set; } = 60000; // Default 1 minute
+
+    /// <summary>
+    /// Maximum number of signals to keep in memory
+    /// </summary>
+    [Id(14)]
+    public int MaxSignals { get; set; } = 10;
+
+    /// <summary>
+    /// Indicates if the bot has been initialized
+    /// </summary>
+    [Id(15)]
+    public bool IsInitialized { get; set; } = false;
+
+    /// <summary>
+    /// Last time the bot state was persisted
+    /// </summary>
+    [Id(16)]
+    public DateTime LastBackupTime { get; set; } = DateTime.UtcNow;
+}