refactor(config): 将配置管理从doppler_config.py迁移到settings.py

app/streamlit_app.py

@@ -90,7 +90,7 @@ def start_jixia_debate():
     """启动稷下学宫辩论"""
     with st.spinner("正在启动稷下学宫八仙论道..."):
         try:
-            from config.doppler_config import get_rapidapi_key
+            from config.settings import get_rapidapi_key
             from src.jixia.engines.perpetual_engine import JixiaPerpetualEngine
             
             api_key = get_rapidapi_key()
@@ -160,7 +160,7 @@ def main():
         
         # 显示系统统计
         try:
-            from config.doppler_config import get_rapidapi_key
+            from config.settings import get_rapidapi_key
             from src.jixia.engines.perpetual_engine import JixiaPerpetualEngine
             
             api_key = get_rapidapi_key()
@@ -194,7 +194,7 @@ def start_debate_session(topic: str):
     
     with st.spinner(f"🏛️ 八仙正在就 {topic} 展开论道..."):
         try:
-            from config.doppler_config import get_rapidapi_key
+            from config.settings import get_rapidapi_key
             from src.jixia.engines.perpetual_engine import JixiaPerpetualEngine
             from datetime import datetime
             

app/tabs/tianxia_tab.py

@@ -20,7 +20,7 @@ from dataclasses import dataclass
 
 # 导入配置管理
 try:
-    from config.doppler_config import get_rapidapi_key
+    from config.settings import get_rapidapi_key
 except ImportError:
     # 如果配置模块不可用，使用环境变量
     import os