Update news data and technical indicator utility functions.

tradingagents/agents/utils/news_data_tools.py

@@ -36,6 +36,8 @@ def get_global_news(
     Returns:
         str: 一個包含全球新聞數據的格式化字串
     """
+    look_back_days = int(look_back_days)
+    limit = int(limit)
     return route_to_vendor("get_global_news", curr_date, look_back_days, limit)
 
 @tool

tradingagents/agents/utils/technical_indicators_tools.py

@@ -35,6 +35,7 @@ def get_indicators(
     Returns:
         str: 一個格式化的數據框，包含指定股票代碼和指標的技術指標。
     """
+    look_back_days = int(look_back_days)
     # 規範化指標名稱以匹配供應商的預期格式
     indicator_lower = indicator.lower().strip()