feat: add system metrics dashboard

components/SystemResources.vue

@@ -0,0 +1,199 @@
+<template>
+  <div class="resources-card card-glow">
+    <div class="card-header">
+      <h2 class="card-title">Ressources</h2>
+      <span class="font-mono text-[10px] uppercase tracking-widest text-m-muted">CPU / RAM</span>
+    </div>
+
+    <div class="metrics-list">
+      <div
+        v-for="metric in metrics"
+        :key="metric.label"
+        class="metric-row"
+      >
+        <div class="metric-copy">
+          <div class="metric-head">
+            <span class="font-display text-sm font-semibold text-m-text">{{ metric.label }}</span>
+            <span class="font-mono text-xs text-m-muted">{{ metric.detail }}</span>
+          </div>
+
+          <template v-if="isLoading">
+            <div class="metric-skeleton animate-shimmer" />
+          </template>
+          <template v-else>
+            <div class="metric-bar">
+              <div
+                class="metric-bar-fill"
+                :class="metric.toneClass"
+                :style="{ width: `${metric.percent}%` }"
+              />
+            </div>
+          </template>
+        </div>
+
+        <div class="metric-value-area">
+          <template v-if="isLoading">
+            <div class="value-skeleton animate-shimmer" />
+          </template>
+          <template v-else>
+            <span class="metric-value font-mono">{{ metric.percent }}%</span>
+          </template>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import {computed} from "vue"
+
+type SystemMetrics = {
+  cpuPercent: number
+  memoryPercent: number
+  totalMemory: number
+  usedMemory: number
+  incomingMbps: number
+  outgoingMbps: number
+  sampledAt: string
+}
+
+const props = defineProps<{
+  metrics: SystemMetrics | null
+  loading: boolean
+}>()
+
+const formatMemory = (value: number) => {
+  if (!Number.isFinite(value) || value <= 0) {
+    return "0 GB"
+  }
+
+  return `${(value / 1024 / 1024 / 1024).toFixed(1)} GB`
+}
+
+const toneClass = (percent: number) => {
+  if (percent >= 85) return "tone-error"
+  if (percent >= 65) return "tone-warning"
+  return "tone-success"
+}
+
+const isLoading = computed(() => props.loading || !props.metrics)
+
+const metrics = computed(() => [
+  {
+    label: "CPU",
+    percent: props.metrics?.cpuPercent ?? 0,
+    detail: "Charge instantanee",
+    toneClass: toneClass(props.metrics?.cpuPercent ?? 0)
+  },
+  {
+    label: "RAM",
+    percent: props.metrics?.memoryPercent ?? 0,
+    detail: `${formatMemory(props.metrics?.usedMemory ?? 0)} / ${formatMemory(props.metrics?.totalMemory ?? 0)}`,
+    toneClass: toneClass(props.metrics?.memoryPercent ?? 0)
+  }
+])
+</script>
+
+<style scoped>
+.resources-card {
+  background: rgb(var(--m-secondary));
+  border-radius: 12px;
+  padding: 1.25rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+  transition: background-color 0.4s ease;
+}
+
+.card-header {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: 0.75rem;
+}
+
+.card-title {
+  font-family: var(--font-display);
+  font-size: 1.25rem;
+  font-weight: 700;
+  color: rgb(var(--m-text));
+}
+
+.metrics-list {
+  display: flex;
+  flex-direction: column;
+  gap: 0.875rem;
+}
+
+.metric-row {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  gap: 0.75rem;
+  align-items: center;
+  padding: 0.875rem 1rem;
+  border-radius: 10px;
+  background: rgb(var(--m-tertiary));
+  border: 1px solid rgb(var(--m-accent) / 0.06);
+}
+
+.metric-copy {
+  min-width: 0;
+}
+
+.metric-head {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+  gap: 0.75rem;
+  margin-bottom: 0.625rem;
+}
+
+.metric-bar {
+  height: 10px;
+  border-radius: 999px;
+  overflow: hidden;
+  background: rgb(var(--m-bg) / 0.45);
+}
+
+.metric-bar-fill {
+  height: 100%;
+  border-radius: inherit;
+  transition: width 0.35s ease, background-color 0.35s ease;
+}
+
+.metric-value-area {
+  min-width: 54px;
+  display: flex;
+  justify-content: flex-end;
+}
+
+.metric-value {
+  font-size: 1.25rem;
+  font-weight: 700;
+  color: rgb(var(--m-text));
+}
+
+.metric-skeleton {
+  height: 10px;
+  width: 100%;
+  border-radius: 999px;
+}
+
+.value-skeleton {
+  width: 48px;
+  height: 28px;
+  border-radius: 8px;
+}
+
+.tone-success {
+  background: rgb(var(--m-success));
+}
+
+.tone-warning {
+  background: rgb(var(--m-warning));
+}
+
+.tone-error {
+  background: rgb(var(--m-error));
+}
+</style>