fix: 迁移脚本补充 inspect 导入，HardwareTooltip 兼容多种硬件字段格式

- 迁移脚本缺少 inspect 导入导致运行时报错
- HardwareTooltip 使用 pickNumber/pickString 兼容不同节点上报的字段名
- 添加 tooltip 点击交互和 title 属性作为 fallback

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

@@ -2,9 +2,10 @@
 import type { ProxyNode } from '@/api/proxy-nodes'
 import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from '@/components/ui/tooltip'
 import { Cpu } from 'lucide-vue-next'
-import { computed } from 'vue'
+import { computed, ref } from 'vue'
 
 const props = defineProps<{ node: ProxyNode }>()
+const open = ref(false)
 
 const hardwareInfo = computed<Record<string, any> | null>(() => {
   const info = props.node.hardware_info
@@ -26,16 +27,24 @@ const hardwareRows = computed(() => {
   const info = hardwareInfo.value ?? {}
   const rows: Array<{ label: string; value: string }> = []
 
-  if (info.cpu_cores != null) {
-    rows.push({ label: 'CPU', value: `${info.cpu_cores} cores` })
+  const cpuCores = pickNumber(info.cpu_cores, info.cpu_count, info.cpu?.cores)
+  if (cpuCores != null) {
+    rows.push({ label: 'CPU', value: `${cpuCores} cores` })
   }
 
-  if (info.total_memory_mb != null) {
-    rows.push({ label: 'RAM', value: formatMemory(info.total_memory_mb) })
+  const memoryMb = pickNumber(
+    info.total_memory_mb,
+    info.memory_total_mb,
+    info.memory_mb,
+    info.memory?.total_mb
+  )
+  if (memoryMb != null) {
+    rows.push({ label: 'RAM', value: formatMemory(memoryMb) })
   }
 
-  if (info.os_info) {
-    rows.push({ label: 'OS', value: String(info.os_info) })
+  const osInfo = pickString(info.os_info, info.os, info.platform)
+  if (osInfo) {
+    rows.push({ label: 'OS', value: osInfo })
   }
 
   if (props.node.estimated_max_concurrency != null) {
@@ -45,13 +54,19 @@ const hardwareRows = computed(() => {
     })
   }
 
-  if (info.fd_limit != null) {
-    rows.push({ label: 'FD Limit', value: formatNumber(info.fd_limit) })
+  const fdLimit = pickNumber(info.fd_limit, info.file_descriptor_limit, info.ulimit_nofile)
+  if (fdLimit != null) {
+    rows.push({ label: 'FD Limit', value: formatNumber(fdLimit) })
   }
 
   return rows
 })
 
+const tooltipTitle = computed(() => {
+  if (hardwareRows.value.length === 0) return '暂无硬件信息上报'
+  return hardwareRows.value.map(row => `${row.label}: ${row.value}`).join(' | ')
+})
+
 const showHardwareInfo = computed(
   () =>
     !props.node.is_manual
@@ -69,6 +84,32 @@ function formatNumber(n: number) {
   if (n >= 1_000) return `${(n / 1_000).toFixed(1)}K`
   return String(n)
 }
+
+function pickNumber(...values: unknown[]): number | null {
+  for (const value of values) {
+    if (value == null) continue
+    const parsed = typeof value === 'number' ? value : Number(value)
+    if (Number.isFinite(parsed)) return parsed
+  }
+  return null
+}
+
+function pickString(...values: unknown[]): string {
+  for (const value of values) {
+    if (value == null) continue
+    const text = String(value).trim()
+    if (text) return text
+  }
+  return ''
+}
+
+function toggleTooltip() {
+  open.value = !open.value
+}
+
+function handleOpenChange(value: boolean) {
+  open.value = value
+}
 </script>
 
 <template>
@@ -76,12 +117,19 @@ function formatNumber(n: number) {
     v-if="showHardwareInfo"
     :delay-duration="0"
   >
-    <Tooltip>
+    <Tooltip
+      :open="open"
+      @update:open="handleOpenChange"
+    >
       <TooltipTrigger as-child>
         <button
           type="button"
           aria-label="硬件信息"
-          class="inline-flex items-center justify-center rounded-sm p-0.5 hover:bg-muted/60 transition-colors"
+          :title="tooltipTitle"
+          class="inline-flex items-center justify-center rounded-sm p-0.5 hover:bg-muted/60 transition-colors cursor-help"
+          @click.stop="toggleTooltip"
+          @keydown.enter.prevent.stop="toggleTooltip"
+          @keydown.space.prevent.stop="toggleTooltip"
         >
           <Cpu class="h-3.5 w-3.5 text-muted-foreground" />
         </button>