Remove unnecessary async from init_observability -- body was fully sync. Change otlp_endpoint from &str to Option<&str> -- when None, OTLP layer is skipped (fmt-only mode). Update all 8 service callers. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
backtesting_service
Strategy backtesting engine with historical data replay, performance reporting, and results persistence.
Key Types
BacktestingServiceImpl-- main gRPC serviceDataReplayEngine-- historical market data replayPerformanceReporter-- Sharpe, drawdown, win rate metrics
gRPC Endpoints
RunBacktest-- submit backtest configuration and strategyGetBacktestResults-- retrieve results for completed backtestsListAvailableStrategies-- list registered strategiesGetBacktestReport-- detailed performance report
Configuration
GRPC_PORT-- gRPC listen portDATABASE_URL-- PostgreSQL connection string- Historical data directory with Parquet tick/OHLCV files
Testing
SQLX_OFFLINE=true cargo test -p backtesting_service --lib