Add MasterBotUserId and MasterAgentName for copy trading support

- Introduced MasterBotUserId and MasterAgentName properties to facilitate copy trading functionality.
- Updated relevant models, controllers, and database entities to accommodate these new properties.
- Enhanced validation logic in StartCopyTradingCommandHandler to ensure proper ownership checks for master strategies.

src/Managing.Domain/Bots/Bot.cs

@@ -27,6 +27,16 @@ namespace Managing.Domain.Bots
         public decimal Fees { get; set; }
         public int LongPositionCount { get; set; }
         public int ShortPositionCount { get; set; }
+
+        /// <summary>
+        /// The user ID of the master bot's owner when this bot is for copy trading
+        /// </summary>
+        public int? MasterBotUserId { get; set; }
+
+        /// <summary>
+        /// The user object of the master bot's owner when this bot is for copy trading
+        /// </summary>
+        public User MasterBotUser { get; set; }
         
         /// <summary>
         /// Gets the total runtime in seconds, including the current session if the bot is running

src/Managing.Domain/Bots/TradingBotConfig.cs

@@ -115,4 +115,10 @@ public class TradingBotConfig
     /// </summary>
     [Id(22)]
     public Guid? MasterBotIdentifier { get; set; }
+
+    /// <summary>
+    /// The user ID of the master bot's owner when IsForCopyTrading is true
+    /// </summary>
+    [Id(23)]
+    public int? MasterBotUserId { get; set; }
 }