style: apply go fmt to fix indentation and alignment

Fix formatting issues across multiple files:
- logger/decision_logger.go: correct if statement indentation
- main.go: fix DataKLineTime field tab alignment
- trader/auto_trader.go: align struct field comments and code blocks

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

logger/decision_logger.go

@@ -349,7 +349,7 @@ func (l *DecisionLogger) AnalyzePerformance(lookbackCycles int) (*PerformanceAna
 
 				symbol := action.Symbol
 				side := ""
-			if action.Action == "open_long" || action.Action == "close_long" || action.Action == "partial_close" || action.Action == "auto_close_long" {
+				if action.Action == "open_long" || action.Action == "close_long" || action.Action == "partial_close" || action.Action == "auto_close_long" {
 					side = "long"
 				} else if action.Action == "open_short" || action.Action == "close_short" || action.Action == "auto_close_short" {
 					side = "short"

main.go

@@ -37,7 +37,7 @@ type ConfigFile struct {
 	StopTradingMinutes int                 `json:"stop_trading_minutes"`
 	Leverage           LeverageConfig      `json:"leverage"`
 	JWTSecret          string              `json:"jwt_secret"`
-  DataKLineTime      string              `json:"data_k_line_time"`
+	DataKLineTime      string              `json:"data_k_line_time"`
 	News               []config.NewsConfig `json:"news"`
 }
 

trader/auto_trader.go

@@ -113,11 +113,11 @@ type AutoTrader struct {
 	lastResetTime         time.Time
 	stopUntil             time.Time
 	isRunning             bool
-	startTime             time.Time        // 系统启动时间
-	callCount             int              // AI调用次数
-	positionFirstSeenTime map[string]int64 // 持仓首次出现时间 (symbol_side -> timestamp毫秒)
+	startTime             time.Time                    // 系统启动时间
+	callCount             int                          // AI调用次数
+	positionFirstSeenTime map[string]int64             // 持仓首次出现时间 (symbol_side -> timestamp毫秒)
 	lastPositions         map[string]*PositionSnapshot // 上一个周期的持仓快照 (symbol_side -> snapshot)
-	newsProcessor         []news.Provider  // 新闻
+	newsProcessor         []news.Provider              // 新闻
 }
 
 // NewAutoTrader 创建自动交易器