feat(contents): enhance user-specific data handling and admin content management

Integrate user-specific fields (`isLiked`, `favoritesCount`) in content APIs and improve `ContentCard` through reactive updates. Add admin-only content deletion support. Refactor services and repository to enrich responses with additional data (author details, tags).

frontend/src/components/content-card.tsx

@@ -26,9 +26,14 @@ interface ContentCardProps {
 export function ContentCard({ content }: ContentCardProps) {
 	const { isAuthenticated } = useAuth();
 	const router = useRouter();
-	const [isLiked, setIsLiked] = React.useState(false);
+	const [isLiked, setIsLiked] = React.useState(content.isLiked || false);
 	const [likesCount, setLikesCount] = React.useState(content.favoritesCount);
 
+	React.useEffect(() => {
+		setIsLiked(content.isLiked || false);
+		setLikesCount(content.favoritesCount);
+	}, [content.isLiked, content.favoritesCount]);
+
 	const handleLike = async (e: React.MouseEvent) => {
 		e.preventDefault();
 		e.stopPropagation();
@@ -54,6 +59,17 @@ export function ContentCard({ content }: ContentCardProps) {
 		}
 	};
 
+	const handleUse = async (e: React.MouseEvent) => {
+		e.preventDefault();
+		e.stopPropagation();
+		try {
+			await ContentService.incrementUsage(content.id);
+			toast.success("Mème prêt à être utilisé !");
+		} catch (_error) {
+			toast.error("Une erreur est survenue");
+		}
+	};
+
 	return (
 		<Card className="overflow-hidden border-none shadow-sm hover:shadow-md transition-shadow">
 			<CardHeader className="p-4 flex flex-row items-center space-y-0 gap-3">
@@ -118,7 +134,12 @@ export function ContentCard({ content }: ContentCardProps) {
 							<Share2 className="h-4 w-4" />
 						</Button>
 					</div>
-					<Button size="sm" variant="secondary" className="text-xs h-8">
+					<Button
+						size="sm"
+						variant="secondary"
+						className="text-xs h-8"
+						onClick={handleUse}
+					>
 						Utiliser
 					</Button>
 				</div>