- Add WalkForwardResult model with train/test window metrics
- Create WalkForwardEngine that reuses existing BacktestEngine
with rolling train/test window splits
- Add POST/GET /api/backtest/{id}/walkforward endpoints
- Add Walk-forward tab to backtest detail page with parameter
controls, cumulative return chart, and window results table
- Add Alembic migration for walkforward_results table
- Add 8 unit tests for window generation logic (100 total passed)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add 10 indexes across prices, etf_prices, financials, valuations,
holdings, transactions, signals, portfolio_snapshots, and etfs tables.
Fix N+1 query in list_backtests by eager-loading backtest results
with joinedload.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- POST /api/backtest (create and start)
- GET /api/backtest (list)
- GET /api/backtest/{id} (detail)
- GET /api/backtest/{id}/equity-curve
- GET /api/backtest/{id}/holdings
- GET /api/backtest/{id}/transactions
- DELETE /api/backtest/{id}
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
