Do funktionierts scho

frontend/src/App.vue

@@ -73,6 +73,8 @@ export default defineComponent({
         this.userId = user.id ?? -1;
         await this.updateUserScores();
       }
+      let reloadEvent = new Event('reloadLeaderboard');
+      window.dispatchEvent(reloadEvent);
     }
   },
 });

frontend/src/components/Game.vue

@@ -45,10 +45,14 @@ export default {
       let body = {
         score: score,
         playtime: playTime,
-        date: new Date().toISOString(),
+        date: new Date().toISOString().substring(0, 10),
         userId: this.userId,
       }
-      await fetch(Rest.URL + '/game/add', {method: 'POST', body: JSON.stringify(body)});
+      let header = {
+        Accept: "application/json",
+        "Content-Type": "application/json",
+      };
+      await fetch(Rest.URL + '/game/add', {method: 'POST', body: JSON.stringify(body), headers: header});
       this.$emit('gameFinished');
     }
   },

frontend/src/components/Leaderboard.vue

@@ -39,6 +39,7 @@ export default {
   },
   created() {
     this.updatePage();
+    window.addEventListener('reloadLeaderboard', () => {this.updatePage()}, false)
   },
   methods: {
     async fetchPage() {