Base fields shared by all signal sync events.
symbol: string
Trading pair symbol (e.g., "BTCUSDT")
strategyName: string
Strategy name that generated this signal
exchangeName: string
Exchange name where signal was executed
frameName: string
Timeframe name (used in backtest mode, empty string in live mode)
backtest: boolean
Whether this event is from backtest mode (true) or live mode (false)
signalId: string
Unique signal identifier (UUID v4)
timestamp: number
Timestamp from execution context (tick's when or backtest candle timestamp)
signal: IPublicSignalRow
Complete public signal row at the moment of this event