- mofin_db.py: 新增write_holding_strategy_versioned(对比关键字段→supersede/new) - strategy_effectiveness.py: 策略到期后用完整K线评估区间职责履行 - holding_strategies新字段: strategy_source/cycle_start/buy_zone_expected_days/take_profit_expected_days - strategy_effectiveness表: 记录策略评估结果(买入区/止损/止盈/时间准确性+改进建议)