WS 新增临时调试日志查看实际接收消息

src/data_collection/polymarket_ws_cache.py

@@ -277,6 +277,8 @@ class PolymarketWsQuoteCache:
         except Exception:
             return
 
+        logger.info("WS_MSG {}", str(raw)[:200])
+
         if isinstance(payload, list):
             for item in payload:
                 self._handle_event(item)