Function formatThousands

internal/ui/program.go:1191–1199

formatThousands inserts thousands separators into a non-negative int. Mirrors the helper in commands.go; lives here too to avoid a UI → main dependency.

(n int)

// Mirrors the helper in commands.go; lives here too to avoid a UI → main
// dependency.
func formatThousands(n int) string {
	if n < 0 {
		return "-" + formatThousands(-n)
	}
	if n < 1000 {
		return fmt.Sprintf("%d", n)
	}
	return formatThousands(n/1000) + "," + fmt.Sprintf("%03d", n%1000)
}