fix: only create furniture-line pages for lines with enough items

Add a LINE_PAGE_MIN_ITEMS threshold so small one-off lines collapse
onto the category page instead of creating hundreds of tiny pages.

src/lib/services/catalog-repair.ts

@@ -513,6 +513,11 @@ export async function organizeCatalogAll(): Promise<OrganizeCatalogResult> {
 			.replace(/^_+|_+$/g, "")
 			.slice(0, 40);
 
+	// Minimum number of items a furniture line must have before it gets its own
+	// dedicated catalog page. Lines below this threshold (one-off customs, etc.)
+	// collapse onto the category page so we don't create hundreds of tiny pages.
+	const LINE_PAGE_MIN_ITEMS = 3;
+
 	// Ensure a sub-page exists under the imported parent and return its id.
 	const ensureSubPage = async (
 		captionSave: string,
@@ -591,6 +596,20 @@ export async function organizeCatalogAll(): Promise<OrganizeCatalogResult> {
 	`)) as unknown as [Array<{ id: number }>, unknown];
 	const validPageIds = new Set(validPages.map((r) => Number(r.id)));
 
+	// Count items per furniture line so we only spin up a dedicated line page
+	// for lines that actually have enough items. Everything else falls back to
+	// the category page.
+	const lineCounts = new Map<string, number>();
+	for (const item of items) {
+		if (NO_CATALOG_KINDS.has(classifyCatalogItem(item))) continue;
+		const fl = resolveFurniline(item.item_name);
+		if (fl) lineCounts.set(fl, (lineCounts.get(fl) ?? 0) + 1);
+	}
+	const qualifyingLines = new Set<string>();
+	for (const [line, count] of lineCounts) {
+		if (count >= LINE_PAGE_MIN_ITEMS) qualifyingLines.add(line);
+	}
+
 	// Nitro presence (pets are purchasable without a furni .nitro bundle).
 	const { nitroDir } = await getFurniAssetDirs();
 	const nitroFiles = await readdir(nitroDir).catch(() => [] as string[]);
@@ -617,12 +636,12 @@ export async function organizeCatalogAll(): Promise<OrganizeCatalogResult> {
 		}
 
 		// Target page: the item's furniture line (e.g. "weebz", "habbox") when
-		// known, otherwise its auto-detected category. The line page is created
-		// if it does not exist yet.
+		// it qualifies for its own page, otherwise its auto-detected category.
+		// The line page is created if it does not exist yet.
 		let captionSave: string;
 		let caption: string;
 		const furniline = resolveFurniline(item.item_name);
-		if (furniline && slug(furniline)) {
+		if (furniline && slug(furniline) && qualifyingLines.has(furniline)) {
 			captionSave = `imp_line_${slug(furniline)}`;
 			caption = furniline;
 		} else {