完整性更新

现在已经实现了大部分基础功能

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

@@ -0,0 +1,32 @@
+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>
+      <div className="grid gap-6 sm:grid-cols-2 lg:grid-cols-3">
+        {Array.from({ length: 6 }).map((_, idx) => (
+          <div key={idx} className="rounded-lg border bg-card p-6">
+            <div className="flex items-start justify-between gap-3">
+              <Skeleton className="h-5 w-[60%]" />
+              <Skeleton className="h-5 w-20" />
+            </div>
+            <Skeleton className="mt-3 h-4 w-32" />
+            <div className="mt-6 flex items-center justify-between">
+              <Skeleton className="h-4 w-28" />
+              <Skeleton className="h-5 w-16" />
+            </div>
+            <div className="mt-4 grid grid-cols-2 gap-2">
+              <Skeleton className="h-9 w-full" />
+              <Skeleton className="h-9 w-full" />
+            </div>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}
+