fix: systeme metrics chart

components/SystemMetricsChart.vue

@@ -293,7 +293,7 @@ const visibleHistory = computed(() => {
   return history.value.filter((point) => point.sampledAt >= minTimestamp)
 })
 
-const scaleMax = 100
+const scaleMax = computed(() => 100)
 
 const formatValue = (value: number) => `${Math.round(value)}%`