Feature/okx trading (#1177)

* feat: add OKX exchange trading support
- Add OKX trader client with full trading API integration
- Support API Key, Secret Key, and Passphrase authentication
- Add OKX icon and frontend configuration modal
- Update exchange store and types for OKX fields
* fix: add passphrase column migration and fix exchange type mapping
* fix: show OKX input fields in exchange config modal
* fix: ensure all supported exchanges exist for user when listing
* fix: simplify exchange type check condition for OKX
* debug: add visible debug info for exchange id
* fix: remove debug info from exchange config modal
* fix: add OKX to exchange type condition in AITradersPage
* feat: complete OKX trading support and fix exchange config issues
- Add LIGHTER exchange UI support in AITradersPage
- Add passphrase field to UpdateExchangeConfigRequest type
- Fix OKX HTTP client to bypass proxy (disable system proxy)
- Auto-fetch initial balance from exchange when not set
- Support multiple balance field names for different exchanges
- Add detailed error messages when trader fails to load
- Add lighter_api_key_private_key field to exchange store

manager/trader_manager.go

@@ -443,9 +443,10 @@ func (tm *TraderManager) LoadUserTradersFromStore(st *store.Store, userID string
 		}
 
 		// 使用现有的方法加载交易员
+		logger.Infof("📦 正在加载交易员 %s (AI模型: %s, 交易所: %s, 策略ID: %s)", traderCfg.Name, aiModelCfg.Provider, exchangeCfg.ID, traderCfg.StrategyID)
 		err = tm.addTraderFromStore(traderCfg, aiModelCfg, exchangeCfg, maxDailyLoss, maxDrawdown, stopTradingMinutes, st)
 		if err != nil {
-			logger.Infof("⚠️ 加载交易员 %s 失败: %v", traderCfg.Name, err)
+			logger.Infof("❌ 加载交易员 %s 失败: %v", traderCfg.Name, err)
 		}
 	}
 
@@ -630,6 +631,10 @@ func (tm *TraderManager) addTraderFromStore(traderCfg *store.Trader, aiModelCfg
 	case "bybit":
 		traderConfig.BybitAPIKey = exchangeCfg.APIKey
 		traderConfig.BybitSecretKey = exchangeCfg.SecretKey
+	case "okx":
+		traderConfig.OKXAPIKey = exchangeCfg.APIKey
+		traderConfig.OKXSecretKey = exchangeCfg.SecretKey
+		traderConfig.OKXPassphrase = exchangeCfg.Passphrase
 	case "hyperliquid":
 		traderConfig.HyperliquidPrivateKey = exchangeCfg.APIKey
 		traderConfig.HyperliquidWalletAddr = exchangeCfg.HyperliquidWalletAddr