feat: websocket kline fetch and enforce proxy routing

api/polymarket_client.py

@@ -35,6 +35,16 @@ class PolymarketClient:
     
     GAMMA_API = "https://gamma-api.polymarket.com"
     CLOB_API = "https://clob.polymarket.com"
+
+    @staticmethod
+    def _apply_global_proxy(proxy_url: str) -> None:
+        """统一设置代理环境变量，确保第三方网络库也走代理。"""
+        os.environ["HTTP_PROXY"] = proxy_url
+        os.environ["HTTPS_PROXY"] = proxy_url
+        os.environ["ALL_PROXY"] = proxy_url
+        os.environ["http_proxy"] = proxy_url
+        os.environ["https_proxy"] = proxy_url
+        os.environ["all_proxy"] = proxy_url
     
     def __init__(self, private_key: Optional[str] = None):
         """
@@ -46,7 +56,8 @@ class PolymarketClient:
         self.private_key = private_key or os.getenv("POLYMARKET_PRIVATE_KEY")
         
         # 配置代理
-        proxy = os.getenv("SOCKS5_PROXY") if os.getenv("USE_PROXY", "false").lower() == "true" else None
+        proxy = os.getenv("SOCKS5_PROXY", "socks5://127.0.0.1:7890")
+        self._apply_global_proxy(proxy)
         
         # HTTP客户端 - 禁用压缩避免brotli问题
         self.http = httpx.Client(