feat(frontend): 在状态监控中显示 CPU 型号并启用网络图提示

在 CPU 卡片中增加型号文本展示，补充更完整的设备信息。
同时为紧凑模式下的网络历史图启用 tooltip，便于查看带宽细节。

.helloagents/plan/202605012111_file-manager-ui-redesign/.status.json

@@ -9,5 +9,5 @@
   "done": 0,
   "percent": 0,
   "current": "重设计目录树样式 — 紧凑树视图",
-  "updated_at": "2026-05-01 21:35:15"
+  "updated_at": "2026-05-01 23:06:29"
 }

.helloagents/plan/202605012111_file-manager-ui-redesign/tasks.md

@@ -91,11 +91,11 @@
 
 | 时间 | 事件 | 详情 |
 |------|------|------|
-| 2026-05-01 21:25:50 | 进度快照(自动) | 完成:0 失败:0 跳过:0 待做:10 (0%) |
 | 2026-05-01 21:27:46 | 进度快照(自动) | 完成:0 失败:0 跳过:0 待做:10 (0%) |
 | 2026-05-01 21:28:56 | 进度快照(自动) | 完成:0 失败:0 跳过:0 待做:10 (0%) |
 | 2026-05-01 21:33:06 | 进度快照(自动) | 完成:0 失败:0 跳过:0 待做:10 (0%) |
 | 2026-05-01 21:35:15 | 进度快照(自动) | 完成:0 失败:0 跳过:0 待做:10 (0%) |
+| 2026-05-01 23:06:29 | PreCompact快照 | 完成:0 失败:0 跳过:0 待做:10 (0%) |
 
 ## 执行备注
 

.helloagents/user/.kb_sync_needed

@@ -1 +1 @@
-2026-05-01T21:36:14.234134
+2026-05-01T23:11:52.792686

packages/frontend/src/components/StatusMonitor.vue

@@ -57,6 +57,8 @@
           <StatusMonitorCpuHistoryChart :cpu-history="currentCpuHistory" :compact="true" class="sm-mini-chart" />
         </div>
 
+        <div v-if="cpuModelLabel" class="sm-cpu-model">{{ cpuModelLabel }}</div>
+
         <div class="sm-cpu-cores">
           <div
             v-for="item in cpuCoreItems"
@@ -486,6 +488,8 @@ const networkRateUnitLabel = computed(() => {
 
 const processPreviewItems = computed<readonly ProcessListItem[]>(() => topProcessPreview.value.slice(0, 4));
 
+const cpuModelLabel = computed(() => cachedCpuModel.value || null);
+
 const copyIpToClipboard = async (ipAddress: string | null) => {
   if (!ipAddress) return;
   try {
@@ -699,6 +703,16 @@ const copyIpToClipboard = async (ipAddress: string | null) => {
 .sm-link-btn--icon i { font-size: 10px; }
 
 /* ── CPU ── */
+.sm-cpu-model {
+  color: #94a3b8;
+  font-size: 11px;
+  line-height: 1.3;
+  padding: 0 2px 4px;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
 .sm-cpu-cores {
   display: flex;
   flex-direction: column;

packages/frontend/src/components/StatusMonitorNetworkHistoryChart.vue

@@ -171,7 +171,7 @@ const networkChartOptions = computed<ChartOptions<'line'>>(() => ({
       display: false,
     },
     tooltip: {
-      enabled: !props.compact,
+      enabled: true,
       mode: 'index',
       intersect: false,
       displayColors: true,