style: format Go code with go fmt

- Fix formatting issues flagged by PR advisory checks
- Run go fmt ./... on all Go files
- No functional changes, code style improvements only

Files formatted:
- api/server.go
- auth/auth.go
- decision/engine.go
- logger/decision_logger.go
- manager/trader_manager.go
- market/monitor.go
- market/types.go
- mcp/client.go
- trader/*.go (aster, auto, binance, hyperliquid)

market/monitor.go

@@ -18,20 +18,20 @@ const (
 )
 
 type WSMonitor struct {
-	wsClient       *WSClient
-	combinedClient *CombinedStreamsClient
-	symbols        []string
-	featuresMap    sync.Map
-	alertsChan     chan Alert
+	wsClient        *WSClient
+	combinedClient  *CombinedStreamsClient
+	symbols         []string
+	featuresMap     sync.Map
+	alertsChan      chan Alert
 	klineDataMap3m  sync.Map // 存储每个交易对的K线历史数据
 	klineDataMap15m sync.Map // 存储每个交易对的15分钟K线历史数据
 	klineDataMap1h  sync.Map // 存储每个交易对的1小时K线历史数据
 	klineDataMap4h  sync.Map // 存储每个交易对的K线历史数据
 	tickerDataMap   sync.Map // 存储每个交易对的ticker数据
-	batchSize      int
-	filterSymbols  sync.Map // 使用sync.Map来存储需要监控的币种和其状态
-	symbolStats    sync.Map // 存储币种统计信息
-	FilterSymbol   []string //经过筛选的币种
+	batchSize       int
+	filterSymbols   sync.Map // 使用sync.Map来存储需要监控的币种和其状态
+	symbolStats     sync.Map // 存储币种统计信息
+	FilterSymbol    []string //经过筛选的币种
 }
 type SymbolStats struct {
 	LastActiveTime   time.Time