feat: add loading skeleton for creator holdings list

src/components/common/CreatorSkeleton.tsx

@@ -121,4 +121,48 @@ export const CreatorProfileHeaderSkeleton: React.FC<{
 	);
 };
 
+/**
+ * Loading skeleton for a single creator holding card (#304). Matches the
+ * structure in `LandingPage` (rounded-2xl, border, p-4) with placeholders for
+ * the creator title and holdings/price metadata.
+ */
+export const CreatorHoldingsSkeleton: React.FC<{
+	className?: string;
+	disableShimmer?: boolean;
+}> = ({ className, disableShimmer = false }) => {
+	const blockClass = disableShimmer
+		? skeletonStaticBlockClass
+		: skeletonBlockClass;
+
+	return (
+		<div
+			className={cn(
+				'rounded-2xl border border-white/10 bg-white/[0.03] p-4',
+				className
+			)}
+		>
+			<div className={cn('h-5 w-2/3', blockClass)} />
+			<div className={cn('mt-1 h-4 w-1/2', blockClass)} />
+		</div>
+	);
+};
+
+/**
+ * A grid of creator holdings skeletons to be shown while the portfolio is
+ * loading. Matches the 3-column responsive grid used for the live list.
+ */
+export const CreatorHoldingsListSkeleton: React.FC<{
+	count?: number;
+	disableShimmer?: boolean;
+	className?: string;
+}> = ({ count = 3, disableShimmer = false, className }) => {
+	return (
+		<div className={cn('grid gap-3 sm:grid-cols-2 lg:grid-cols-3', className)}>
+			{Array.from({ length: count }).map((_, i) => (
+				<CreatorHoldingsSkeleton key={i} disableShimmer={disableShimmer} />
+			))}
+		</div>
+	);
+};
+
 export default CreatorSkeleton;

src/pages/LandingPage.tsx

@@ -8,6 +8,7 @@ import StickyFilterBar from '@/components/common/StickyFilterBar';
 import CreatorCard from '@/components/common/CreatorCard';
 import {
 	CreatorGridSkeleton,
+	CreatorHoldingsListSkeleton,
 	CreatorProfileHeaderSkeleton,
 } from '@/components/common/CreatorSkeleton';
 import EmptyState from '@/components/common/EmptyState';
@@ -906,40 +907,44 @@ function LandingPage() {
 								</p>
 							</div>
 						</div>
-						<div className="mt-6 grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
-							{heldKeyPositions
-								.filter(
-									position =>
-										position.quantity && position.quantity > 0
-								)
-								.map(position => {
-									const creator = creators.find(
-										item => item.id === position.creatorId
-									);
-									return (
-										<div
-											key={position.creatorId}
-											className="rounded-2xl border border-white/10 bg-white/[0.03] p-4"
-										>
-											<div className="truncate text-sm font-bold text-white">
-												{creator?.title ?? 'Unknown creator'}
-											</div>
-											<div className="mt-1 text-xs text-white/55">
-												{formatNumber(position.quantity)} keys ·{' '}
-												{position.isPriceLoading
-													? 'Refreshing price'
-													: position.isPriceStale
-														? 'Price stale'
-														: formatDisplayKeyPrice(
-																resolveCreatorKeyPriceStroops(
-																	position
-																)
-															)}
+						{isLoading ? (
+							<CreatorHoldingsListSkeleton className="mt-6" />
+						) : (
+							<div className="mt-6 grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
+								{heldKeyPositions
+									.filter(
+										position =>
+											position.quantity && position.quantity > 0
+									)
+									.map(position => {
+										const creator = creators.find(
+											item => item.id === position.creatorId
+										);
+										return (
+											<div
+												key={position.creatorId}
+												className="rounded-2xl border border-white/10 bg-white/[0.03] p-4"
+											>
+												<div className="truncate text-sm font-bold text-white">
+													{creator?.title ?? 'Unknown creator'}
+												</div>
+												<div className="mt-1 text-xs text-white/55">
+													{formatNumber(position.quantity)} keys ·{' '}
+													{position.isPriceLoading
+														? 'Refreshing price'
+														: position.isPriceStale
+															? 'Price stale'
+															: formatDisplayKeyPrice(
+																	resolveCreatorKeyPriceStroops(
+																		position
+																	)
+																)}
+												</div>
 											</div>
-										</div>
-									);
-								})}
-						</div>
+										);
+									})}
+							</div>
+						)}
 					</MarketplaceSection>
 
 					<SectionDivider