rustrade-backtest 0.3.0

Deterministic backtest engine for rustrade Brains — same trait, same brain, replayed offline
Documentation 
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#![warn(missing_docs)]

//! # rustrade-backtest
//!
//! Deterministic backtest engine for [`rustrade_core::Brain`]s. The same
//! `Brain` trait used by `rustrade` for live trading drives the backtest —
//! no special "backtest-mode" code paths in the strategy, no duplicate
//! decision logic to keep in sync.
//!
//! See the crate-level [`README.md`](https://github.com/nuniesmith/rustrade/blob/main/crates/rustrade-backtest/README.md)
//! for a quickstart.
//!
//! # Determinism
//!
//! Given the same `(Brain, Vec<Candle>, BacktestConfig)` inputs the engine
//! produces the same [`BacktestResult`] every run. There is no random
//! number source and no thread interleaving — the loop is single-threaded
//! and synchronous through every step that affects state.
//!
//! # Status
//!
//! Phase 4b — adds CSV candle loader, Sharpe/Sortino metrics, and
//! multi-symbol replay. Parquet loaders and book-walk slippage remain
//! deferred. See the workspace `TODO.md`.

pub mod config;
pub mod engine;
pub mod error;
pub mod fees;
pub mod loaders;
pub mod metrics;
pub mod result;
pub mod slippage;

pub use config::{BacktestConfig, BacktestConfigBuilder};
pub use engine::Backtest;
pub use error::{Error, Result};
pub use fees::FeeModel;
pub use loaders::{load_csv, load_csv_str, sort_chronological};
pub use metrics::TradeOutcome;
pub use result::BacktestResult;
pub use slippage::SlippageModel;