feat: add catalog audit page

Checks for:
- items_base entries without catalog_items (not purchasable)
- catalog_items referencing non-existent items_base
- Items without .nitro or icon files on disk
- Duplicate classnames
- Items missing from all configured clone sources

src/app/admin/import/audit/page.tsx

@@ -0,0 +1,23 @@
+import { redirect } from "next/navigation";
+import { canAccess, getAdminContext, PERMS } from "@/lib/permissions";
+import { AuditClient } from "./audit-client";
+
+export default async function AuditPage() {
+	const { session, permissions } = await getAdminContext();
+	if (!canAccess(permissions, PERMS.ASSETS_IMPORT, session.user.rank)) {
+		redirect("/admin");
+	}
+
+	return (
+		<div className="space-y-6">
+			<div>
+				<h1 className="text-2xl font-bold tracking-tight">Catalog Audit</h1>
+				<p className="text-muted-foreground mt-1">
+					Scan your entire furniture catalog for missing entries, broken
+					references, missing files, and items available from clone sources.
+				</p>
+			</div>
+			<AuditClient />
+		</div>
+	);
+}

src/app/admin/import/page.tsx

@@ -1,6 +1,7 @@
 import {
 	BadgeCheck,
 	Cat,
+	ClipboardCheck,
 	Copy,
 	Dumbbell,
 	ImageIcon,
@@ -76,6 +77,12 @@ export default async function ImportPage() {
 			icon: ImageIcon,
 			description: t("repairIconsDescription"),
 		},
+		{
+			href: "/admin/import/audit",
+			label: t("audit"),
+			icon: ClipboardCheck,
+			description: t("auditDescription"),
+		},
 	] as const;
 
 	return (

src/app/api/admin/import/audit/route.ts

@@ -0,0 +1,13 @@
+import { withAdmin } from "@/lib/api-handler";
+import { apiError, apiOk } from "@/lib/api-response";
+import { PERMS } from "@/lib/permissions";
+import { runCatalogAudit } from "@/lib/services/catalog-audit";
+
+export const POST = withAdmin({ permission: PERMS.ASSETS_IMPORT }, async () => {
+	try {
+		const result = await runCatalogAudit();
+		return apiOk(result as unknown as Record<string, unknown>);
+	} catch (err) {
+		return apiError(`Audit failed: ${(err as Error).message}`, 500);
+	}
+});

src/messages/en.json

@@ -2494,7 +2494,9 @@
 				"sync": "Auto Sync",
 				"syncDescription": "Automatically import missing furniture from all configured sources.",
 				"repairIcons": "Repair Icons",
-				"repairIconsDescription": "Download any missing icon files for furniture already in the database."
+				"repairIconsDescription": "Download any missing icon files for furniture already in the database.",
+				"audit": "Catalog Audit",
+				"auditDescription": "Scan your catalog for missing entries, broken references, and items missing from clone sources."
 			},
 			"translations": {
 				"title": "Translations",