feat: Alpha Vantage备选数据源配置

- Alpha Vantage API Key: W5PTA2J5OB16W02L
- 数据源优先级: Yahoo Finance → Alpha Vantage
- 当Yahoo Finance限流时自动fallback到Alpha Vantage

test_xiaomi.py

@@ -10,9 +10,21 @@ config["backend_url"] = "https://token-plan-cn.xiaomimimo.com/v1"
 config["deep_think_llm"] = "mimo-v2.5-pro"
 config["quick_think_llm"] = "mimo-v2.5-pro"
 
+# 配置数据源：Yahoo Finance优先，Alpha Vantage作为备选
+config['data_vendors'] = {
+    'core_stock_apis': 'yfinance,alpha_vantage',
+    'technical_indicators': 'yfinance,alpha_vantage',
+    'fundamental_data': 'yfinance,alpha_vantage',
+    'news_data': 'yfinance,alpha_vantage',
+    'macro_data': 'fred',
+    'prediction_markets': 'polymarket',
+}
+
 # 设置 API Key（也可通过环境变量 OPENAI_COMPATIBLE_API_KEY）
 import os
 os.environ["OPENAI_COMPATIBLE_API_KEY"] = "tp-ce6eaqg1gh1uev46i4oexh4sahloyfo2hfpxuc2n9m7yl9dd"
+os.environ["FRED_API_KEY"] = "825283926dd016ea66e96cc919e047da"
+os.environ["ALPHA_VANTAGE_API_KEY"] = "W5PTA2J5OB16W02L"
 
 # 减少辩论轮数加速测试
 config["max_debate_rounds"] = 1