feat: unify proxy config and centralize runtime logging

trader/auto_trade_polymarket.py

@@ -34,9 +34,11 @@ from data.fetcher import BinanceDataFetcher
 from data.trading_db import TradingDatabase
 from api.models import PredictionModel
 from models.inference import get_inference_manager
+from utils.network_proxy import apply_global_proxy_from_env, get_proxy_url
 from utils.send_msg import lark_notifier
 
 load_dotenv()
+apply_global_proxy_from_env()
 
     
 def setup_logging(log_dir: str = "logs", log_level: int = logging.INFO) -> logging.Logger:
@@ -119,7 +121,7 @@ class PolymarketBTCTrader:
         self.dry_run = dry_run
         
         # HTTP客户端
-        proxy = os.getenv("SOCKS5_PROXY") if os.getenv("USE_PROXY", "false").lower() == "true" else None
+        proxy = get_proxy_url()
         self.http = httpx.Client(
             timeout=30.0,
             proxy=proxy,