fix: build_reason weights 参数设为可选

deploy/verify_reason.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+"""服务器端验证新推荐原因格式"""
+import sys, warnings
+sys.path.insert(0, '/opt/a_stock_timeline')
+warnings.filterwarnings('ignore')
+from src.fetcher.kline_fetcher import KlineFetcher
+from src.quant.engine import QuantEngine
+
+DB = '/opt/a_stock_timeline/data/a_stock.db'
+q = QuantEngine(emit=lambda e: None, db_path=DB)
+recs = q.build_recommendations(3)
+print('=== 新格式推荐 ===')
+for r in recs:
+    print('{}★ {} | {}'.format('★' * r['stars'], r['name'], r['reason'][:80]))
+print('=== 全部完成 ===')

src/quant/reason.py

@@ -6,7 +6,7 @@ import numpy as np
 import pandas as pd
 
 
-def build_reason(code, kline_df, weights):
+def build_reason(code, kline_df, weights=None):
     """
     从单股日K线（时间升序，≥30行）生成多维度推荐原因。
     返回 (reason_str, factor_detail_dict)