feat: 代理 timing 细分指标与前端展示优化

- aether-proxy 新增 auth_ms/body_read_ms/body_parse_ms/body_size 计时字段
- 链路追踪面板代理耗时改为分阶段展示，密钥和代理信息改为堆叠布局
- 硬件信息从 Tooltip 改为 Popover，新增 FD Limit 展示
- 新增区域代码格式化工具函数，统一显示区域中文名称

frontend/src/views/admin/ProxyNodes.vue

@@ -169,7 +169,7 @@
                 <code class="text-xs text-muted-foreground">{{ node.is_manual ? (node.proxy_url || `${node.ip}:${node.port}`) : `${node.ip}:${node.port}` }}</code>
               </TableCell>
               <TableCell class="py-4">
-                <span class="text-sm text-muted-foreground">{{ node.region || '-' }}</span>
+                <span class="text-sm text-muted-foreground">{{ formatRegion(node.region) }}</span>
               </TableCell>
               <TableCell class="py-4 text-center">
                 <Badge
@@ -286,7 +286,7 @@
           <div class="grid grid-cols-3 gap-2 text-xs text-muted-foreground mb-3">
             <div>
               <span class="block text-foreground/60">区域</span>
-              <span>{{ node.region || '-' }}</span>
+              <span>{{ formatRegion(node.region) }}</span>
             </div>
             <div>
               <span class="block text-foreground/60">连接</span>
@@ -565,6 +565,7 @@ import {
 } from '@/components/ui'
 
 import { Search, Trash2, Plus, SquarePen, Activity, Loader2, Settings } from 'lucide-vue-next'
+import { formatRegion } from '@/utils/region'
 import HardwareTooltip from './components/HardwareTooltip.vue'
 
 const { success, error: toastError } = useToast()

frontend/src/views/admin/components/HardwareTooltip.vue

@@ -1,10 +1,9 @@
 <script setup lang="ts">
 import type { ProxyNode } from '@/api/proxy-nodes'
 import {
-  Tooltip,
-  TooltipContent,
-  TooltipProvider,
-  TooltipTrigger,
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
 } from '@/components/ui'
 import { Cpu } from 'lucide-vue-next'
 
@@ -24,28 +23,35 @@ function formatNumber(n: number) {
 </script>
 
 <template>
-  <TooltipProvider v-if="!node.is_manual && node.hardware_info">
-    <Tooltip>
-      <TooltipTrigger as-child>
-        <Cpu class="h-3.5 w-3.5 text-muted-foreground cursor-default" />
-      </TooltipTrigger>
-      <TooltipContent
-        side="right"
-        class="text-xs space-y-0.5"
+  <Popover v-if="!node.is_manual && node.hardware_info">
+    <PopoverTrigger as-child>
+      <button
+        type="button"
+        class="inline-flex items-center justify-center rounded-sm p-0.5 hover:bg-muted/60 transition-colors"
       >
-        <div v-if="node.hardware_info.cpu_cores">
-          CPU: {{ node.hardware_info.cpu_cores }} cores
-        </div>
-        <div v-if="node.hardware_info.total_memory_mb">
-          RAM: {{ formatMemory(node.hardware_info.total_memory_mb) }}
-        </div>
-        <div v-if="node.hardware_info.os_info">
-          OS: {{ node.hardware_info.os_info }}
-        </div>
-        <div v-if="node.estimated_max_concurrency">
-          Max Concurrency: ~{{ formatNumber(node.estimated_max_concurrency) }}
-        </div>
-      </TooltipContent>
-    </Tooltip>
-  </TooltipProvider>
+        <Cpu class="h-3.5 w-3.5 text-muted-foreground" />
+      </button>
+    </PopoverTrigger>
+    <PopoverContent
+      side="right"
+      :side-offset="8"
+      class="w-auto p-3 text-xs space-y-1"
+    >
+      <div v-if="node.hardware_info.cpu_cores">
+        CPU: {{ node.hardware_info.cpu_cores }} cores
+      </div>
+      <div v-if="node.hardware_info.total_memory_mb">
+        RAM: {{ formatMemory(node.hardware_info.total_memory_mb) }}
+      </div>
+      <div v-if="node.hardware_info.os_info">
+        OS: {{ node.hardware_info.os_info }}
+      </div>
+      <div v-if="node.estimated_max_concurrency">
+        Max Concurrency: ~{{ formatNumber(node.estimated_max_concurrency) }}
+      </div>
+      <div v-if="node.hardware_info.fd_limit">
+        FD Limit: {{ formatNumber(node.hardware_info.fd_limit) }}
+      </div>
+    </PopoverContent>
+  </Popover>
 </template>