feat(admin): 관리자 대시보드와 미디어 자산 UI를 추가

src/features/scene-select/ui/SceneSelectCarousel.tsx

@@ -1,15 +1,18 @@
-import { getSceneCardBackgroundStyle, type SceneTheme } from '@/entities/scene';
+import type { SceneTheme } from '@/entities/scene';
+import { getSceneCardBackgroundStyle, type SceneAssetMap } from '@/entities/media';
 import { cn } from '@/shared/lib/cn';
 
 interface SceneSelectCarouselProps {
   scenes: SceneTheme[];
   selectedSceneId: string;
+  sceneAssetMap?: SceneAssetMap;
   onSelect: (sceneId: string) => void;
 }
 
 export const SceneSelectCarousel = ({
   scenes,
   selectedSceneId,
+  sceneAssetMap,
   onSelect,
 }: SceneSelectCarouselProps) => {
   return (
@@ -29,7 +32,7 @@ export const SceneSelectCarousel = ({
                   ? 'border-sky-200/38 shadow-[0_0_0_1px_rgba(186,230,253,0.2),0_0_10px_rgba(56,189,248,0.12)]'
                   : 'border-white/16 hover:border-white/24',
               )}
-              style={getSceneCardBackgroundStyle(scene)}
+              style={getSceneCardBackgroundStyle(scene, sceneAssetMap?.[scene.id])}
               aria-label={`${scene.name} 선택`}
             >
               <span className="absolute inset-x-0 bottom-0 h-[56%] bg-[linear-gradient(180deg,rgba(2,6,23,0)_0%,rgba(2,6,23,0.2)_52%,rgba(2,6,23,0.24)_100%)]" />