完整性更新

现在已经实现了大部分基础功能

src/app/(dashboard)/teacher/classes/students/loading.tsx

@@ -0,0 +1,21 @@
+import { Skeleton } from "@/shared/components/ui/skeleton"
+
+export default function Loading() {
+  return (
+    <div className="flex h-full flex-col space-y-8 p-8">
+      <div className="space-y-2">
+        <Skeleton className="h-7 w-40" />
+        <Skeleton className="h-4 w-72" />
+      </div>
+      <Skeleton className="h-10 w-full" />
+      <div className="rounded-md border bg-card">
+        <div className="space-y-2 p-4">
+          {Array.from({ length: 10 }).map((_, idx) => (
+            <Skeleton key={idx} className="h-10 w-full" />
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}
+