feat: ServerManager 死按钮清理+CSV导出+统计卡片提取; 审批/导航后端拆分; DialogDescription修复; AppRelease重试按钮实现

frontend/src/components/monitor/trace/TraceManager.tsx

@@ -502,6 +502,7 @@ const TraceManager: React.FC = () => {
               Trace详情
               <span className="font-mono text-sm text-muted-foreground">{selectedTrace?.traceId}</span>
             </DialogTitle>
+            <DialogDescription className="sr-only">描述</DialogDescription>
           </DialogHeader>
           {selectedTrace && (
             <div className="space-y-4">
@@ -550,6 +551,7 @@ const TraceManager: React.FC = () => {
         <DialogContent className="max-w-2xl">
           <DialogHeader>
             <DialogTitle>Span详情</DialogTitle>
+            <DialogDescription className="sr-only">描述</DialogDescription>
           </DialogHeader>
           {selectedSpan && (
             <div className="space-y-4">