feat(data): 添加个股资金流向接口并重构速率限制配置

- 新增 moneyflow 资金流向数据同步模块
- 实现接口级速率限制配置（sync_config.py）
- 更新流动性相关因子定义
- 添加非对称量化损失函数

src/experiment/regression.py

@@ -52,55 +52,36 @@ TRAINING_TYPE = "regression"
 
 # 排除的因子列表
 EXCLUDED_FACTORS = [
-    "GTJA_alpha036",
-    "GTJA_alpha032",
-    "GTJA_alpha010",
-    "GTJA_alpha005",
-    "CP",
-    "BP",
-    "debt_to_equity",
-    "current_ratio",
-    "GTJA_alpha002",
-    "GTJA_alpha027",
-    "GTJA_alpha064",
-    "GTJA_alpha062",
-    "GTJA_alpha043",
-    "GTJA_alpha044",
-    "GTJA_alpha120",
-    "GTJA_alpha117",
-    "GTJA_alpha103",
-    "GTJA_alpha104",
-    "GTJA_alpha105",
-    "GTJA_alpha073",
-    "GTJA_alpha077",
-    "GTJA_alpha085",
-    "GTJA_alpha090",
-    "GTJA_alpha087",
-    "GTJA_alpha083",
-    "GTJA_alpha092",
-    "GTJA_alpha133",
-    "GTJA_alpha131",
-    "GTJA_alpha126",
-    "GTJA_alpha124",
-    "GTJA_alpha162",
-    "GTJA_alpha164",
-    "GTJA_alpha157",
-    "GTJA_alpha177",
-    "price_to_avg_cost",
-    "cost_skewness",
-    "GTJA_alpha191",
-    "GTJA_alpha180",
-    "history_position",
-    "bottom_profit",
-    "mean_median_dev",
-    "smart_money_accumulation",
-    "GTJA_alpha013",
-    "GTJA_alpha099",
-    "GTJA_alpha107",
-    "GTJA_alpha119",
-    "GTJA_alpha141",
-    "GTJA_alpha130",
-    "GTJA_alpha173",
+    'GTJA_alpha016',
+    'volatility_20',
+    'current_ratio',
+    'GTJA_alpha001',
+    'GTJA_alpha141',
+    'GTJA_alpha129',
+    'GTJA_alpha164',
+    'amivest_liq_20',
+    'GTJA_alpha012',
+    'debt_to_equity',
+    'turnover_deviation',
+    'GTJA_alpha073',
+    'GTJA_alpha043',
+    'GTJA_alpha032',
+    'GTJA_alpha028',
+    'GTJA_alpha090',
+    'GTJA_alpha108',
+    'GTJA_alpha105',
+    'GTJA_alpha091',
+    'GTJA_alpha119',
+    'GTJA_alpha104',
+    'GTJA_alpha163',
+    'GTJA_alpha157',
+    'cost_skewness',
+    'GTJA_alpha176',
+    'chip_transition',
+    'amount_skewness_20',
+    'GTJA_alpha148',
+    'mean_median_dev',
+    'downside_illiq_20',
 ]
 
 # 模型参数配置