feat: 新增外部因素分析模块+综合评分引擎+算法文档重构
新增模块: - fund_flow_analyzer.py: 主力资金流向分析(P0, ±20) - market_sentiment.py: 市场情绪指标(P1, ±10) - external_factors.py: 北向资金/美股/大宗商品/汇率(P2-P4,P7) - news_analyzer.py: 公告/并购/政策面LLM分析(P5-P6) - score_engine.py: 综合评分引擎,整合技术面+外部因素 路由更新: - analysis.py: deep_analyze接入综合评分,根据最终评级修正买卖建议 - market.py: 新增4个外部因素API端点 - trades.py: 交易路由更新 算法文档重构: - 章节重排: 技术面(二三)→外部因素(四)→买卖决策(五)→数据源(六)→性能(七) - 架构图更新为五层,标注章节对应 - 5.1/5.2标注纯技术面,5.3整合外部因素修正推荐
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@@ -260,11 +260,19 @@ def backfill_history(conn, max_days=30):
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if not flows:
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continue
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# 获取当天收盘价
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# 获取当天收盘价和涨跌幅(通过前一日收盘价计算)
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cur.execute("""
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SELECT code, close, change_pct
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FROM stock_kline_daily
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WHERE trade_date = %s AND code = ANY(%s)
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SELECT k.code, k.close,
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CASE WHEN prev.close > 0
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THEN ROUND((k.close - prev.close) / prev.close * 100, 2)
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ELSE 0 END AS change_pct
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FROM stock_kline_daily k
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LEFT JOIN LATERAL (
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SELECT close FROM stock_kline_daily
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WHERE code = k.code AND trade_date < k.trade_date
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ORDER BY trade_date DESC LIMIT 1
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) prev ON true
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WHERE k.trade_date = %s AND k.code = ANY(%s)
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""", (d, list(flows.keys())))
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price_map = {r[0]: {'close': float(r[1] or 0), 'change_pct': float(r[2] or 0)}
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for r in cur.fetchall()}
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