龙泉回测20260109.data.xlsx26942332112211A1: EMA(8) vs EMA(EMA(8),20) normalized spreadB1: ((Y2 - Y3) / 100), where Y2/Y3 come from 38-day RSV smoothed by SMA(5,1) and SMA(10,1)C1: (Y2 + Y3) / 2QL phoenix line: approximated from the existing Dragon code as B = CROSS(close, upper_line) and S = CROSS(lower_line, close)197112197/197196/197112/112112/112['2018-05-23'][]dragon_indicator_snapshot.csvdragon_workbook_layers.csvdragon_signal_alignment.csv