完整性更新

现在已经实现了大部分基础功能

src/modules/dashboard/components/teacher-dashboard/teacher-dashboard-header.tsx

@@ -0,0 +1,13 @@
+import { TeacherQuickActions } from "./teacher-quick-actions"
+
+export function TeacherDashboardHeader() {
+  return (
+    <div className="flex flex-col justify-between space-y-4 md:flex-row md:items-center md:space-y-0">
+      <div>
+        <h2 className="text-2xl font-bold tracking-tight">Teacher</h2>
+        <p className="text-muted-foreground">Overview of today&apos;s work and your classes.</p>
+      </div>
+      <TeacherQuickActions />
+    </div>
+  )
+}