namespace TradingBot.Models; public class TradingSignal { public string Symbol { get; set; } = string.Empty; public SignalType Type { get; set; } public decimal Price { get; set; } public decimal Confidence { get; set; } // 0-100 confidence level public string Reason { get; set; } = string.Empty; public DateTime Timestamp { get; set; } } public enum SignalType { Buy, Sell, Hold }