Run a historical backtest using the Rust/NAPI engine, then Ed25519-sign the result so the paper→live promotion gate has cryptographic tamper evidence (ADR-126 Phase 4 + CWE-347 pattern). Steps: 1. Ensure neural-trader is available: 2. Check for saved strategy config: If not found, list available: 3. Run backtest via neural-trader CLI: For multi-indicator strategies: 4. Capture performance metrics from output: total return, annualized return, Sharpe ratio, Sortino ratio, max drawdown, win rate, profit factor, number of trades. 5. Dedup prior backtests for the same before storing the fresh one…