Private service for backtest orchestration using async generators.
Flow:
Memory efficient: streams results without array accumulation. Supports early termination via break in consumer.
constructor();
loggerService: any
strategyGlobalService: any
exchangeGlobalService: any
frameGlobalService: any
methodContextService: any
run(symbol: string): AsyncGenerator<IStrategyBacktestResult, void, unknown>;
Runs backtest for a symbol, streaming closed signals as async generator.