Feat: 로그인 여부에 따른 메인페이지 이동 및 dashboard 처리

app/(main)/dashboard/page.tsx

@@ -0,0 +1,103 @@
+import { createClient } from "@/utils/supabase/server";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Activity, CreditCard, DollarSign, Users } from "lucide-react";
+
+export default async function DashboardPage() {
+  const supabase = await createClient();
+  const {
+    data: { user },
+  } = await supabase.auth.getUser();
+
+  return (
+    <div className="flex-1 space-y-4 p-8 pt-6">
+      <div className="flex items-center justify-between space-y-2">
+        <h2 className="text-3xl font-bold tracking-tight">대시보드</h2>
+      </div>
+      <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-4">
+        <Card>
+          <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+            <CardTitle className="text-sm font-medium">총 수익</CardTitle>
+            <DollarSign className="h-4 w-4 text-muted-foreground" />
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold">$45,231.89</div>
+            <p className="text-xs text-muted-foreground">지난달 대비 +20.1%</p>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+            <CardTitle className="text-sm font-medium">구독자</CardTitle>
+            <Users className="h-4 w-4 text-muted-foreground" />
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold">+2350</div>
+            <p className="text-xs text-muted-foreground">지난달 대비 +180.1%</p>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+            <CardTitle className="text-sm font-medium">판매량</CardTitle>
+            <CreditCard className="h-4 w-4 text-muted-foreground" />
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold">+12,234</div>
+            <p className="text-xs text-muted-foreground">지난달 대비 +19%</p>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
+            <CardTitle className="text-sm font-medium">현재 활동 중</CardTitle>
+            <Activity className="h-4 w-4 text-muted-foreground" />
+          </CardHeader>
+          <CardContent>
+            <div className="text-2xl font-bold">+573</div>
+            <p className="text-xs text-muted-foreground">지난 시간 대비 +201</p>
+          </CardContent>
+        </Card>
+      </div>
+      <div className="grid gap-4 grid-cols-1 md:grid-cols-2 lg:grid-cols-7">
+        <Card className="col-span-4">
+          <CardHeader>
+            <CardTitle>개요</CardTitle>
+          </CardHeader>
+          <CardContent className="pl-2">
+            {/* Chart placeholder */}
+            <div className="h-[200px] w-full bg-slate-100 dark:bg-slate-800 rounded-md flex items-center justify-center text-muted-foreground">
+              차트 영역 (준비 중)
+            </div>
+          </CardContent>
+        </Card>
+        <Card className="col-span-3">
+          <CardHeader>
+            <CardTitle>최근 활동</CardTitle>
+            <div className="text-sm text-muted-foreground">
+              이번 달 265건의 거래가 있었습니다.
+            </div>
+          </CardHeader>
+          <CardContent>
+            <div className="space-y-8">
+              <div className="flex items-center">
+                <div className="ml-4 space-y-1">
+                  <p className="text-sm font-medium leading-none">
+                    비트코인 매수
+                  </p>
+                  <p className="text-sm text-muted-foreground">BTC/USDT</p>
+                </div>
+                <div className="ml-auto font-medium">+$1,999.00</div>
+              </div>
+              <div className="flex items-center">
+                <div className="ml-4 space-y-1">
+                  <p className="text-sm font-medium leading-none">
+                    이더리움 매도
+                  </p>
+                  <p className="text-sm text-muted-foreground">ETH/USDT</p>
+                </div>
+                <div className="ml-auto font-medium">+$39.00</div>
+              </div>
+            </div>
+          </CardContent>
+        </Card>
+      </div>
+    </div>
+  );
+}