feat: 更新仪表盘标题和描述，添加异常状态查询字段，优化管理员导航和API导出

src/components/ui/progress.tsx

@@ -0,0 +1,34 @@
+"use client";
+
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+type ProgressProps = React.ComponentProps<"div"> & {
+  /** 0–100 */
+  value?: number;
+};
+
+function Progress({ className, value = 0, ...props }: ProgressProps): React.ReactElement {
+  const pct = Math.min(100, Math.max(0, Number.isFinite(value) ? value : 0));
+  return (
+    <div
+      role="progressbar"
+      aria-valuenow={Math.round(pct)}
+      aria-valuemin={0}
+      aria-valuemax={100}
+      className={cn(
+        "relative h-2 w-full overflow-hidden rounded-full bg-muted",
+        className,
+      )}
+      {...props}
+    >
+      <div
+        className="h-full bg-primary transition-[width] duration-500 ease-out"
+        style={{ width: `${pct}%` }}
+      />
+    </div>
+  );
+}
+
+export { Progress };