a11y 收尾：主题级对比度根因修复（indigo-500→600）+12 处控件 accessible name+4 处 heading-order，7 页复扫全 0 违规；基准 total_issues 保持 8

Result: {"status":"keep","total_issues":8,"eslint_errors":0,"eslint_problems":0,"eslint_warnings":0,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_total":0,"golint_test_usetesting":0,"golint_total":8,"golint_usestdlibvars":0,"golint_vetx_total":0,"golint_wastedassign":0,"measure_s":85,"tsc_errors":0,"vitest_failed":0,"vitest_total":126}

frontend/app/(main)/admin/database/components/cache-manager.tsx

@@ -189,9 +189,9 @@ export function CacheManager({ refreshTrigger }: CacheManagerProps) {
           <div className='grid grid-cols-1 lg:grid-cols-5 gap-6'>
             {/* 左边：状态区 (2/5 cols) */}
             <div className='lg:col-span-2 space-y-4'>
-              <h4 className='text-xs font-semibold text-muted-foreground uppercase tracking-wider'>
+              <p className='text-xs font-semibold text-muted-foreground uppercase tracking-wider'>
                 {t('runtimeStatus')}
-              </h4>
+              </p>
               <div className='grid grid-cols-1 sm:grid-cols-2 gap-4'>
                 {/* 已占空间 */}
                 <div className='p-4 rounded-xl border border-border/40 bg-background/30 backdrop-blur-xs hover:border-primary/20 transition-all duration-300'>
@@ -240,9 +240,9 @@ export function CacheManager({ refreshTrigger }: CacheManagerProps) {
 
             {/* 右边：配置区 (3/5 cols) */}
             <div className='lg:col-span-3 border-t lg:border-t-0 lg:border-l border-border/40 pt-6 lg:pt-0 lg:pl-6 space-y-4'>
-              <h4 className='text-xs font-semibold text-muted-foreground uppercase tracking-wider'>
+              <p className='text-xs font-semibold text-muted-foreground uppercase tracking-wider'>
                 {t('policyConfig')}
-              </h4>
+              </p>
               <form onSubmit={handleSaveConfig} className='space-y-4'>
                 <div className='grid grid-cols-1 sm:grid-cols-2 gap-4'>
                   <div className='space-y-1.5'>

frontend/app/(main)/admin/database/components/sql-console.tsx

@@ -165,7 +165,7 @@ export function SQLConsole({ dbType, onClose }: SQLConsoleProps) {
                 {t('quickTemplates')}
               </span>
               <Select onValueChange={handlePresetSQLChange}>
-                <SelectTrigger className='h-7 w-[180px] text-[11px] bg-background'>
+                <SelectTrigger aria-label={t('selectPresetSQL')} className='h-7 w-[180px] text-[11px] bg-background'>
                   <SelectValue placeholder={t('selectPresetSQL')} />
                 </SelectTrigger>
                 <SelectContent>

frontend/app/(main)/admin/database/components/table-browser.tsx

@@ -140,7 +140,7 @@ export function TableBrowser({
             <Skeleton className='h-8 w-48' />
           ) : (
             <Select value={selectedTable} onValueChange={handleTableChange}>
-              <SelectTrigger className='h-8 w-[200px] text-xs bg-background border-border/40'>
+              <SelectTrigger aria-label={t('selectTable')} className='h-8 w-[200px] text-xs bg-background border-border/40'>
                 <SelectValue placeholder={t('selectTable')} />
               </SelectTrigger>
               <SelectContent className='max-h-[300px]'>

frontend/app/(main)/admin/logs/components/access-analytics.tsx

@@ -231,6 +231,7 @@ export function AccessAnalytics() {
             variant='ghost'
             size='icon'
             className='size-8'
+            aria-label={t('refresh')}
             onClick={fetchAnalytics}
             disabled={loading}
           >

frontend/app/(main)/admin/push/components/events-tab.tsx

@@ -434,6 +434,7 @@ export function EventsTab() {
                       onCheckedChange={() =>
                         toggleEventMutation.mutate(event.id)
                       }
+                      aria-label={t('colStatus')}
                       className='scale-75'
                     />
                   </TableCell>
@@ -448,6 +449,7 @@ export function EventsTab() {
                             <Button
                               variant='ghost'
                               size='icon'
+                              aria-label={t('configure')}
                               className='h-6 w-6 text-muted-foreground hover:text-foreground'
                               onClick={() => handleEditEventClick(event)}
                             >
@@ -466,6 +468,7 @@ export function EventsTab() {
                             <Button
                               variant='ghost'
                               size='icon'
+                              aria-label={t('delete')}
                               className='h-6 w-6 text-muted-foreground hover:text-destructive hover:bg-destructive/10'
                               disabled={deleteEventMutation.isPending}
                               onClick={() => setDeleteTarget(event)}

frontend/app/(main)/admin/settings/components/openflare-ops.tsx

@@ -311,7 +311,7 @@ export function OpenFlareOpsSettings() {
                 value={fields.geoip_provider}
                 onValueChange={(value) => updateField('geoip_provider', value)}
               >
-                <SelectTrigger>
+                <SelectTrigger aria-label={t('geo.mode')}>
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>
@@ -443,8 +443,9 @@ export function OpenFlareOpsSettings() {
             </p>
           </div>
           <div className='space-y-1.5'>
-            <Label>{t('discovery.command')}</Label>
+            <Label htmlFor='discovery-command'>{t('discovery.command')}</Label>
             <Textarea
+              id='discovery-command'
               readOnly
               value={discoveryCommand || t('discovery.commandHint')}
               className='min-h-24 font-mono text-xs'
@@ -542,7 +543,7 @@ export function OpenFlareOpsSettings() {
                       updateField('uptime_kuma_monitor_scope', value)
                     }
                   >
-                    <SelectTrigger>
+                    <SelectTrigger aria-label={t('kuma.scope')}>
                       <SelectValue />
                     </SelectTrigger>
                     <SelectContent>
@@ -644,8 +645,9 @@ function FieldInput({
 }) {
   return (
     <div className='space-y-1.5'>
-      <Label>{label}</Label>
+      <Label htmlFor={`field-${label}`}>{label}</Label>
       <Input
+        id={`field-${label}`}
         type={type}
         value={value}
         placeholder={placeholder}
@@ -677,7 +679,7 @@ function ToggleRow({
           </p>
         ) : null}
       </div>
-      <Switch checked={checked} onCheckedChange={onChange} />
+      <Switch checked={checked} onCheckedChange={onChange} aria-label={label} />
     </div>
   );
 }

frontend/app/(main)/admin/tasks/components/task-manager.tsx

@@ -378,9 +378,9 @@ export function TaskManager() {
                     <div className='space-y-2'>
                       <div className='flex items-start justify-between'>
                         <div className='space-y-1'>
-                          <h3 className='font-semibold text-base tracking-tight'>
+                          <p className='font-semibold text-base tracking-tight'>
                             {task.name}
-                          </h3>
+                          </p>
                           <p className='text-xs text-muted-foreground leading-relaxed line-clamp-2 min-h-[36px]'>
                             {task.description}
                           </p>

frontend/app/(main)/admin/users/components/user-detail-sheet.tsx

@@ -104,9 +104,9 @@ export function UserDetailSheet({
 
                 <div className='p-6 space-y-6'>
                   <div className='space-y-4'>
-                    <h4 className='text-xs font-semibold text-muted-foreground uppercase tracking-wider px-1'>
+                    <p className='text-xs font-semibold text-muted-foreground uppercase tracking-wider px-1'>
                       {t('personalInfo')}
-                    </h4>
+                    </p>
                     <div className='rounded-lg border divide-y bg-background/50'>
                       <div className='flex items-center justify-between gap-4 p-3.5 text-sm'>
                         <span className='flex items-center gap-2 text-[10px] text-muted-foreground'>
@@ -167,9 +167,9 @@ export function UserDetailSheet({
                   </div>
 
                   <div className='space-y-4'>
-                    <h4 className='text-xs font-semibold text-muted-foreground uppercase tracking-wider px-1'>
+                    <p className='text-xs font-semibold text-muted-foreground uppercase tracking-wider px-1'>
                       {t('systemRecords')}
-                    </h4>
+                    </p>
                     <div className='rounded-lg border divide-y bg-background/50'>
                       <div className='flex items-center justify-between p-3.5 text-sm'>
                         <span className='text-[10px]'>

frontend/app/globals.css

@@ -55,7 +55,8 @@
   --card-foreground: oklch(0.141 0.005 285.823);
   --popover: oklch(1 0 0);
   --popover-foreground: oklch(0.141 0.005 285.823);
-  --primary: oklch(58.5% 51% 277.117);
+  /* indigo-600: 亮色下与 primary-foreground(#fafafa) 对比度 ~6.8，满足 WCAG AA；indigo-500 仅 4.27 */
+  --primary: oklch(51.1% 0.262 276.966);
   --primary-foreground: oklch(98.5% 0% 0);
   --secondary: oklch(0.967 0.001 286.375);
   --secondary-foreground: oklch(0.21 0.006 285.885);

frontend/components/common/user/file-manager.tsx

@@ -238,7 +238,7 @@ export function UserFileManager() {
               <Upload className='size-10' />
             </div>
             <div className='space-y-1'>
-              <h3 className='font-semibold text-sm'>{t('noFiles')}</h3>
+              <p className='font-semibold text-sm'>{t('noFiles')}</p>
               <p className='text-xs text-muted-foreground max-w-xs'>
                 {debouncedKeyword ? t('noMatchingFiles') : t('uploadFirstFile')}
               </p>

frontend/messages/fragments/admin.en.json

@@ -1237,7 +1237,8 @@
         "fetchFailed": "Failed to fetch analytics",
         "requestVolume": "Requests",
         "requestCount": "Request count",
-        "countTimes": "{count} ({percent}%)"
+        "countTimes": "{count} ({percent}%)",
+        "refresh": "Refresh"
       },
       "appLogs": {
         "loading": "Loading...",
@@ -1461,4 +1462,4 @@
       }
     }
   }
-}
+}

frontend/messages/fragments/admin.zh-CN.json

@@ -1237,7 +1237,8 @@
         "fetchFailed": "获取数据统计失败",
         "requestVolume": "请求量",
         "requestCount": "请求次数",
-        "countTimes": "{count} 次 ({percent}%)"
+        "countTimes": "{count} 次 ({percent}%)",
+        "refresh": "刷新"
       },
       "appLogs": {
         "loading": "加载中...",
@@ -1461,4 +1462,4 @@
       }
     }
   }
-}
+}