feat: websocket kline fetch and enforce proxy routing

requirements.txt

@@ -46,6 +46,9 @@ httpx>=0.25.0
 # 数据源
 # ----------------------------------------------
 python-binance>=1.0.19
+websocket-client>=1.8.0
+python-socks>=2.5.0
+PySocks>=1.7.1
 
 # ----------------------------------------------
 # 任务调度