feat(backtest): add --show flag for best strategy equity curve chart

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- Add --show/--show-chart flag to run_all_strategies.py
- Display dual-axis chart: normalized stock price vs strategy equity curve
- Mark buy/sell points with green/orange triangles
- Auto-detect Chinese fonts (SimHei/YaHei on Windows, PingFang on macOS)
- Fetch stock name via get_stock_quotes for chart title
- Add 3 demo screenshots to README with disclaimer
- Update README with --show usage and visual examples

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2026-06-09 22:41:14 +08:00

parent b44636207b

commit b57d8f4669

5 changed files with 170 additions and 1 deletions

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strategies/demo/3.png

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