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

aether-proxy/src/proxy/delegate.rs

@@ -52,9 +52,11 @@ pub async fn handle_delegate(
         warn!(error = %e, "delegate auth failed");
         return error_response(401, "authentication_failed", &e.to_string());
     }
+    let auth_ms = total_start.elapsed().as_millis() as u64;
 
     // Read and parse request body (limit to 10 MB to prevent OOM)
     const MAX_BODY: usize = 10 * 1024 * 1024;
+    let body_read_start = Instant::now();
     let body_bytes = match Limited::new(req.into_body(), MAX_BODY).collect().await {
         Ok(collected) => collected.to_bytes(),
         Err(e) => {
@@ -62,7 +64,10 @@ pub async fn handle_delegate(
             return error_response(413, "payload_too_large", "request body exceeds 10MB limit");
         }
     };
+    let body_read_ms = body_read_start.elapsed().as_millis() as u64;
+    let body_size = body_bytes.len() as u64;
 
+    let body_parse_start = Instant::now();
     let delegate_req: DelegateRequest = match serde_json::from_slice(&body_bytes) {
         Ok(r) => r,
         Err(e) => {
@@ -70,6 +75,7 @@ pub async fn handle_delegate(
             return error_response(400, "bad_request", &format!("invalid JSON: {}", e));
         }
     };
+    let body_parse_ms = body_parse_start.elapsed().as_millis() as u64;
 
     // Target filter: validate the upstream URL against allowed ports and private IP checks
     let parsed_url = match Url::parse(&delegate_req.url) {
@@ -168,6 +174,10 @@ pub async fn handle_delegate(
 
     // Inject proxy timing header for Aether to parse
     let timing = serde_json::json!({
+        "auth_ms": auth_ms,
+        "body_read_ms": body_read_ms,
+        "body_parse_ms": body_parse_ms,
+        "body_size": body_size,
         "dns_ms": dns_ms,
         "upstream_ms": upstream_ms,
         "total_ms": total_ms,

frontend/src/features/providers/components/ProxyNodeSelect.vue

@@ -20,7 +20,7 @@
           :key="node.id"
           :value="node.id"
         >
-          {{ node.name }}{{ node.region ? ` · ${node.region}` : '' }} ({{ node.ip }}:{{ node.port }})
+          {{ node.name }}{{ node.region ? ` · ${formatRegion(node.region, '')}` : '' }} ({{ node.ip }}:{{ node.port }})
         </SelectItem>
       </SelectContent>
     </Select>
@@ -37,6 +37,7 @@ import {
   SelectItem,
 } from '@/components/ui'
 import { useProxyNodesStore } from '@/stores/proxy-nodes'
+import { formatRegion } from '@/utils/region'
 
 const props = defineProps<{
   modelValue: string

frontend/src/features/usage/components/HorizontalRequestTimeline.vue

@@ -187,15 +187,12 @@
                     class="info-item"
                   >
                     <span class="info-label">密钥</span>
-                    <span class="info-value">
+                    <span class="info-value info-value-stacked">
                       <span class="key-name">{{ currentAttempt.key_name || '未知' }}</span>
-                      <template v-if="currentAttempt.key_preview">
-                        <Separator
-                          orientation="vertical"
-                          class="h-3 mx-2"
-                        />
-                        <code class="key-preview">{{ currentAttempt.key_preview }}</code>
-                      </template>
+                      <code
+                        v-if="currentAttempt.key_preview"
+                        class="key-preview"
+                      >{{ currentAttempt.key_preview }}</code>
                     </span>
                   </div>
                   <div
@@ -203,20 +200,26 @@
                     class="info-item"
                   >
                     <span class="info-label">代理</span>
-                    <span class="info-value">
-                      <span>{{ currentAttempt.extra_data.proxy.node_name || currentAttempt.extra_data.proxy.url || '未知' }}</span>
-                      <span
-                        v-if="currentAttempt.extra_data.proxy.source === 'system'"
-                        class="text-xs text-muted-foreground ml-1"
-                      >(系统)</span>
-                      <span
-                        v-if="currentAttempt.extra_data.proxy.ttfb_ms != null"
-                        class="text-xs text-muted-foreground ml-1"
-                      >{{ formatLatency(currentAttempt.extra_data.proxy.ttfb_ms) }}</span>
-                      <span
-                        v-if="currentAttempt.extra_data.proxy.timing"
-                        class="text-xs text-muted-foreground ml-1"
-                      >(DNS {{ formatLatency(currentAttempt.extra_data.proxy.timing.dns_ms) }} / 上游 {{ formatLatency(currentAttempt.extra_data.proxy.timing.upstream_ms) }})</span>
+                    <span class="info-value info-value-stacked">
+                      <span class="proxy-name">
+                        {{ currentAttempt.extra_data.proxy.node_name || currentAttempt.extra_data.proxy.url || '未知' }}
+                        <span
+                          v-if="currentAttempt.extra_data.proxy.source === 'system'"
+                          class="text-xs text-muted-foreground ml-1"
+                        >(系统)</span>
+                      </span>
+                      <span class="proxy-detail">
+                        <span
+                          v-if="currentAttempt.extra_data.proxy.ttfb_ms != null"
+                          class="text-xs text-muted-foreground"
+                        >{{ formatLatency(currentAttempt.extra_data.proxy.ttfb_ms) }}</span>
+                        <span
+                          v-if="currentAttempt.extra_data.proxy.timing"
+                          class="text-xs text-muted-foreground"
+                        >(<!--
+                          -->{{ proxyTimingBreakdown(currentAttempt.extra_data.proxy) }}<!--
+                        -->)</span>
+                      </span>
                     </span>
                   </div>
                   <div
@@ -335,7 +338,6 @@ import { ref, watch, computed } from 'vue'
 import Card from '@/components/ui/card.vue'
 import Badge from '@/components/ui/badge.vue'
 import Skeleton from '@/components/ui/skeleton.vue'
-import Separator from '@/components/ui/separator.vue'
 import { ChevronLeft, ChevronRight, ExternalLink } from 'lucide-vue-next'
 import { requestTraceApi, type RequestTrace, type CandidateRecord } from '@/api/requestTrace'
 import { log } from '@/utils/logger'
@@ -450,6 +452,33 @@ const formatLatency = (ms: number | undefined | null): string => {
   return `${ms}ms`
 }
 
+// 代理 timing 分阶段展示
+const proxyTimingBreakdown = (proxy: Record<string, any>): string => {
+  const t = proxy.timing
+  if (!t) return ''
+
+  const parts: string[] = []
+
+  // 新版细分字段（aether-proxy 新版本上报）
+  if (t.body_read_ms != null && t.body_read_ms > 0) {
+    parts.push(`读取 ${formatLatency(t.body_read_ms)}`)
+  }
+
+  parts.push(`DNS ${formatLatency(t.dns_ms)}`)
+  parts.push(`上游 ${formatLatency(t.upstream_ms)}`)
+
+  // 计算 Aether→代理 之间无法解释的耗时差
+  if (proxy.ttfb_ms != null && t.total_ms != null) {
+    const gap = proxy.ttfb_ms - t.total_ms
+    if (gap > 500) {
+      // 超过 500ms 的差值才显示，排除正常网络 RTT
+      parts.push(`传输 ${formatLatency(Math.round(gap))}`)
+    }
+  }
+
+  return parts.join(' / ')
+}
+
 // 候选时间线（按实际执行顺序排序）
 const timeline = computed<CandidateRecord[]>(() => {
   if (!trace.value) return []
@@ -1256,13 +1285,20 @@ const getStatusColorClass = (status: string) => {
   font-family: ui-monospace, monospace;
 }
 
+/* 两行堆叠布局 */
+.info-value-stacked {
+  flex-direction: column;
+  align-items: flex-start;
+  gap: 0.2rem;
+}
+
 /* Key 信息 */
 .key-name {
   font-weight: 500;
 }
 
 .key-preview {
-  font-size: 0.8rem;
+  font-size: 0.75rem;
   padding: 0.1rem 0.3rem;
   background: hsl(var(--muted));
   border-radius: 3px;
@@ -1270,6 +1306,17 @@ const getStatusColorClass = (status: string) => {
   font-family: ui-monospace, monospace;
 }
 
+/* 代理信息 */
+.proxy-name {
+  font-weight: 500;
+}
+
+.proxy-detail {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+}
+
 /* 能力标签 */
 .capability-tags {
   display: flex;

frontend/src/utils/region.ts

@@ -0,0 +1,23 @@
+const regionLabels: Record<string, string> = {
+  US: 'US(美国)',
+  SG: 'SG(新加坡)',
+  JP: 'JP(日本)',
+  KR: 'KR(韩国)',
+  HK: 'HK(中国香港)',
+  TW: 'TW(中国台湾)',
+  DE: 'DE(德国)',
+  GB: 'GB(英国)',
+  FR: 'FR(法国)',
+  NL: 'NL(荷兰)',
+  AU: 'AU(澳大利亚)',
+  CA: 'CA(加拿大)',
+  IN: 'IN(印度)',
+  BR: 'BR(巴西)',
+  RU: 'RU(俄罗斯)',
+  CN: 'CN(中国)',
+}
+
+export function formatRegion(region: string | null, fallback = '-'): string {
+  if (!region) return fallback
+  return regionLabels[region.toUpperCase()] || region
+}

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>