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-homework-card.tsx

@@ -0,0 +1,56 @@
+import Link from "next/link"
+import { PenTool } from "lucide-react"
+
+import { Badge } from "@/shared/components/ui/badge"
+import { Button } from "@/shared/components/ui/button"
+import { Card, CardContent, CardHeader, CardTitle } from "@/shared/components/ui/card"
+import { EmptyState } from "@/shared/components/ui/empty-state"
+import type { HomeworkAssignmentListItem } from "@/modules/homework/types"
+
+export function TeacherHomeworkCard({ assignments }: { assignments: HomeworkAssignmentListItem[] }) {
+  return (
+    <Card>
+      <CardHeader className="flex flex-row items-center justify-between">
+        <CardTitle className="text-base flex items-center gap-2">
+          <PenTool className="h-4 w-4 text-muted-foreground" />
+          Homework
+        </CardTitle>
+        <div className="flex items-center gap-2">
+          <Button asChild variant="outline" size="sm">
+            <Link href="/teacher/homework/assignments">Open list</Link>
+          </Button>
+          <Button asChild size="sm">
+            <Link href="/teacher/homework/assignments/create">New</Link>
+          </Button>
+        </div>
+      </CardHeader>
+      <CardContent className="grid gap-3">
+        {assignments.length === 0 ? (
+          <EmptyState
+            icon={PenTool}
+            title="No homework assignments yet"
+            description="Create an assignment from an exam and publish it to students."
+            action={{ label: "Create assignment", href: "/teacher/homework/assignments/create" }}
+            className="border-none h-72"
+          />
+        ) : (
+          assignments.slice(0, 6).map((a) => (
+            <Link
+              key={a.id}
+              href={`/teacher/homework/assignments/${encodeURIComponent(a.id)}`}
+              className="flex items-center justify-between rounded-md border bg-card px-4 py-3 hover:bg-muted/50"
+            >
+              <div className="min-w-0">
+                <div className="font-medium truncate">{a.title}</div>
+                <div className="text-sm text-muted-foreground truncate">{a.sourceExamTitle}</div>
+              </div>
+              <Badge variant="outline" className="capitalize">
+                {a.status}
+              </Badge>
+            </Link>
+          ))
+        )}
+      </CardContent>
+    </Card>
+  )
+}