Update the position count and initiator

src/Managing.Infrastructure.Database/PostgreSql/Entities/PositionEntity.cs

@@ -23,6 +23,11 @@ public class PositionEntity
     [MaxLength(255)] public string AccountName { get; set; }
 
     public int? UserId { get; set; }
+    
+    /// <summary>
+    /// Identifier of the bot or entity that initiated this position
+    /// </summary>
+    [Required] public Guid InitiatorIdentifier { get; set; }
 
     // Foreign keys to trades
     public int? OpenTradeId { get; set; }