.

src/app/admin/page.tsx

@@ -29,10 +29,17 @@ import {
   Category,
   DashboardPostStat,
   DashboardRange,
+  DashboardTrafficPoint,
   PageMeta,
   Post,
 } from '@/types';
 
+const dashboardRangeDays: Record<DashboardRange, number> = {
+  '7d': 7,
+  '30d': 30,
+  '90d': 90,
+};
+
 const countCategories = (categories: Category[] = []): number => {
   return categories.reduce((count, category) => {
     return count + 1 + countCategories(category.children || []);
@@ -89,6 +96,46 @@ const toPostStat = (post: Post): DashboardPostStat => ({
   createdAt: post.createdAt,
 });
 
+const formatKstDateKey = (date: Date) => {
+  return new Intl.DateTimeFormat('sv-SE', {
+    timeZone: 'Asia/Seoul',
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+  }).format(date);
+};
+
+const getFallbackTraffic = (
+  posts: Post[],
+  range: DashboardRange,
+): DashboardTrafficPoint[] => {
+  const days = dashboardRangeDays[range];
+  const today = new Date();
+  const points = Array.from({ length: days }, (_, index) => {
+    const date = new Date(today);
+    date.setDate(today.getDate() - (days - 1 - index));
+
+    return {
+      date: formatKstDateKey(date),
+      views: 0,
+    };
+  });
+  const pointMap = new Map(points.map((point) => [point.date, point]));
+
+  posts.forEach((post) => {
+    const createdAt = new Date(post.createdAt);
+    if (Number.isNaN(createdAt.getTime())) return;
+
+    const dateKey = formatKstDateKey(createdAt);
+    const point = pointMap.get(dateKey);
+    if (!point) return;
+
+    point.views += post.viewCount;
+  });
+
+  return points;
+};
+
 function RecentPostRow({ post }: { post: Post }) {
   return (
     <Link
@@ -249,6 +296,11 @@ export default function AdminPage() {
     () => dashboard?.topPosts ?? (popularData?.content ?? []).map(toPostStat),
     [dashboard?.topPosts, popularData?.content],
   );
+  const fallbackTraffic = useMemo(
+    () => getFallbackTraffic([...(latestData?.content ?? []), ...(popularData?.content ?? [])], range),
+    [latestData?.content, popularData?.content, range],
+  );
+  const trafficPoints = dashboard?.traffic?.length ? dashboard.traffic : fallbackTraffic;
 
   return (
     <div className="space-y-8">
@@ -301,10 +353,10 @@ export default function AdminPage() {
       />
 
       <AdminDashboardTrafficChart
-        points={dashboard?.traffic ?? []}
+        points={trafficPoints}
         range={range}
         onRangeChange={setRange}
-        isFallback={isFallback}
+        isFallback={isFallback || !dashboard?.traffic?.length}
       />
 
       <div className="grid gap-6 xl:grid-cols-[1fr_0.8fr]">

src/components/admin/dashboard/AdminDashboardTrafficChart.tsx

@@ -34,6 +34,7 @@ export default function AdminDashboardTrafficChart({
   isFallback,
 }: AdminDashboardTrafficChartProps) {
   const maxViews = Math.max(...points.map((point) => point.views), 1);
+  const hasTraffic = points.some((point) => point.views > 0);
 
   return (
     <Surface as="section" className="p-5">
@@ -44,7 +45,9 @@ export default function AdminDashboardTrafficChart({
             <h2 className="text-lg font-bold text-[var(--color-text)]">트래픽 흐름</h2>
           </div>
           <p className="mt-1 text-sm text-[var(--color-text-muted)]">
-            최근 기간별 조회수 흐름을 확인합니다.
+            {isFallback
+              ? '대시보드 집계 전에는 게시글 누적 조회수로 임시 흐름을 표시합니다.'
+              : '최근 기간별 조회수 흐름을 확인합니다.'}
           </p>
         </div>
         <SegmentedControl
@@ -56,24 +59,37 @@ export default function AdminDashboardTrafficChart({
       </div>
 
       {points.length > 0 ? (
-        <div className="flex h-64 items-end gap-1.5 overflow-hidden rounded-lg border border-[var(--color-line)] bg-[var(--color-control)] px-3 py-4">
-          {points.map((point) => {
-            const height = Math.max((point.views / maxViews) * 100, 4);
+        <>
+          <div className="h-64 overflow-x-auto rounded-lg border border-[var(--color-line)] bg-[var(--color-control)] px-3 py-4">
+            <div className="flex h-full min-w-full items-stretch gap-1.5">
+              {points.map((point) => {
+                const height = Math.max((point.views / maxViews) * 100, 4);
 
-            return (
-              <div key={point.date} className="flex min-w-2 flex-1 flex-col items-center gap-2">
-                <div
-                  className="w-full rounded-t bg-[var(--color-accent)]/70 transition hover:bg-[var(--color-accent)]"
-                  style={{ height: `${height}%` }}
-                  title={`${formatDay(point.date)} 조회 ${point.views.toLocaleString()}`}
-                />
-                <span className="hidden text-[10px] font-medium text-[var(--color-text-subtle)] sm:block">
-                  {formatDay(point.date)}
-                </span>
-              </div>
-            );
-          })}
-        </div>
+                return (
+                  <div key={point.date} className="flex min-w-2 flex-1 flex-col items-center gap-2">
+                    <div className="flex min-h-0 w-full flex-1 items-end">
+                      <div
+                        className="w-full rounded-t bg-[var(--color-accent)]/70 transition hover:bg-[var(--color-accent)]"
+                        style={{ height: `${height}%` }}
+                        title={`${formatDay(point.date)} 조회 ${point.views.toLocaleString()}`}
+                      />
+                    </div>
+                    <span className="hidden h-4 text-[10px] font-medium text-[var(--color-text-subtle)] sm:block">
+                      {formatDay(point.date)}
+                    </span>
+                  </div>
+                );
+              })}
+            </div>
+          </div>
+          {isFallback && (
+            <p className="mt-3 text-xs font-medium text-[var(--color-text-subtle)]">
+              {hasTraffic
+                ? '임시 그래프는 글 발행일과 누적 조회수를 기준으로 계산됩니다.'
+                : '집계 API가 연결되면 실제 일별 조회수로 대체됩니다.'}
+            </p>
+          )}
+        </>
       ) : (
         <EmptyState
           title="통계 API 연결 전"