完整性更新

现在已经实现了大部分基础功能

src/app/(dashboard)/student/dashboard/loading.tsx

@@ -0,0 +1,61 @@
+import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function Loading() {
+  return (
+    <div className="space-y-6">
+      <div className="flex flex-col justify-between gap-4 md:flex-row md:items-center">
+        <div className="space-y-2">
+          <Skeleton className="h-9 w-48" />
+          <Skeleton className="h-4 w-56" />
+        </div>
+        <Skeleton className="h-10 w-40" />
+      </div>
+
+      <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-4">
+        {Array.from({ length: 4 }).map((_, i) => (
+          <Card key={i}>
+            <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+              <Skeleton className="h-4 w-24" />
+              <Skeleton className="h-4 w-4 rounded-full" />
+            </CardHeader>
+            <CardContent>
+              <Skeleton className="h-8 w-16" />
+              <Skeleton className="mt-2 h-3 w-28" />
+            </CardContent>
+          </Card>
+        ))}
+      </div>
+
+      <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-7">
+        <Card className="lg:col-span-3">
+          <CardHeader>
+            <CardTitle className="text-sm">
+              <Skeleton className="h-4 w-40" />
+            </CardTitle>
+          </CardHeader>
+          <CardContent className="space-y-3">
+            {Array.from({ length: 4 }).map((_, i) => (
+              <Skeleton key={i} className="h-10 w-full" />
+            ))}
+          </CardContent>
+        </Card>
+
+        <Card className="lg:col-span-4">
+          <CardHeader className="flex flex-row items-center justify-between">
+            <CardTitle className="text-sm">
+              <Skeleton className="h-4 w-44" />
+            </CardTitle>
+            <Skeleton className="h-9 w-24" />
+          </CardHeader>
+          <CardContent className="space-y-2">
+            {Array.from({ length: 5 }).map((_, i) => (
+              <Skeleton key={i} className="h-10 w-full" />
+            ))}
+          </CardContent>
+        </Card>
+      </div>
+    </div>
+  )
+}
+