fix game

cmd/client/storage_native.go

@@ -6,6 +6,7 @@ package main
 import (
 	"crypto/rand"
 	"encoding/hex"
+	"fmt"
 	"io/ioutil"
 	"log"
 	"strings"
@@ -61,3 +62,19 @@ func (g *Game) savePlayerName(name string) {
 		log.Printf("💾 Spielername gespeichert: %s", name)
 	}
 }
+
+func (g *Game) loadHighscore() int {
+	const hsFile = "highscore.txt"
+	if data, err := ioutil.ReadFile(hsFile); err == nil {
+		var score int
+		if _, err2 := fmt.Sscanf(strings.TrimSpace(string(data)), "%d", &score); err2 == nil {
+			return score
+		}
+	}
+	return 0
+}
+
+func (g *Game) saveHighscore(score int) {
+	const hsFile = "highscore.txt"
+	ioutil.WriteFile(hsFile, []byte(fmt.Sprintf("%d", score)), 0644)
+}