update

type ProgressCallback func(current, total int64)

type UpdateInfo struct {
	CurrentVersion string
	LatestVersion  string
	ReleaseNotes   string
	DownloadURL    string
	UpdateNeeded   bool
}

type UpdateOptions struct {
	Force            bool             // Force update even if no newer version
	TargetVersion    string           // Update to specific version (empty for latest)
	Timeout          time.Duration    // Timeout for update operation
	ProgressCallback ProgressCallback // Callback for progress updates (currently unused)
}

type Updater struct {
	// contains filtered or unexported fields
}