8.1 출석부: 데일리 체크인/중복 방지/포인트 지급/누적 통계 o

src/app/attendance/page.tsx

@@ -0,0 +1,17 @@
+"use client";
+import useSWR from "swr";
+
+const fetcher = (url: string) => fetch(url).then((r) => r.json());
+
+export default function AttendancePage() {
+  const { data, mutate } = useSWR<{ today: boolean; count: number }>("/api/attendance", fetcher);
+  return (
+    <div>
+      <h1>출석부</h1>
+      <p>오늘 출석: {data?.today ? "✅" : "❌"} / 누적: {data?.count ?? 0}</p>
+      <button disabled={data?.today} onClick={async () => { await fetch("/api/attendance", { method: "POST" }); mutate(); }}>출석하기</button>
+    </div>
+  );
+}
+
+