🎨 style: format all code with gofmt and lint:fix

Apply consistent code formatting across the entire codebase using
gofmt and lint:fix tools. This ensures adherence to Go community
standards and improves code readability and maintainability.

Changes include:
- Run gofmt on all .go files to standardize formatting
- Apply lint:fix to automatically resolve linting issues
- Fix code style inconsistencies and formatting violations

No functional changes were made in this commit.

controller/performance.go

@@ -91,11 +91,11 @@ func GetPerformanceStats(c *gin.Context) {
 	// 获取配置信息
 	diskConfig := common.GetDiskCacheConfig()
 	config := PerformanceConfig{
-		DiskCacheEnabled:      diskConfig.Enabled,
-		DiskCacheThresholdMB:  diskConfig.ThresholdMB,
-		DiskCacheMaxSizeMB:    diskConfig.MaxSizeMB,
-		DiskCachePath:         diskConfig.Path,
-		IsRunningInContainer:  common.IsRunningInContainer(),
+		DiskCacheEnabled:     diskConfig.Enabled,
+		DiskCacheThresholdMB: diskConfig.ThresholdMB,
+		DiskCacheMaxSizeMB:   diskConfig.MaxSizeMB,
+		DiskCachePath:        diskConfig.Path,
+		IsRunningInContainer: common.IsRunningInContainer(),
 	}
 
 	// 获取磁盘空间信息
@@ -199,4 +199,3 @@ func getDiskCacheInfo() DiskCacheInfo {
 
 	return info
 }
-