Backfill missing nitros into the Gamedata bundle on import

After each single import, batch import and batch-regen, copy every
.nitro file that is missing from /var/www/Gamedata/bundled/furniture so
the emulator can render all imported furniture even when the mirror write
was skipped. Reports the copied files in the API/SSE response.

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

@@ -22,6 +22,7 @@ import {
 	importSingleFurni,
 	reconcileImportedOfferIds,
 	resetCatalogPageCache,
+	syncNitrosToGamedataBundle,
 } from "@/lib/services/furni-import";
 import { getOfficialHabboFurnidata } from "@/lib/services/habbo-furnidata-cache";
 import { listFurniture } from "@/lib/services/habbofurni";
@@ -411,6 +412,9 @@ export const POST = withAdmin(
 			// Keep asset + furnidata folders readable by the web server
 			const ownership = await ensureFurniOwnership();
 
+			// Backfill any missing nitros into the emulator's Gamedata bundle
+			const nitrosSynced = await syncNitrosToGamedataBundle();
+
 			const succeeded = results.filter((r) => r.ok).length;
 			const failed = results.filter((r) => !r.ok).length;
 
@@ -421,6 +425,7 @@ export const POST = withAdmin(
 				results,
 				offerIdsFixed: reconciled.fixed,
 				ownershipFixed: ownership.fixed,
+				nitrosSynced: nitrosSynced.copied,
 			});
 		}
 
@@ -476,6 +481,9 @@ export const POST = withAdmin(
 		// Keep asset + furnidata folders readable by the web server
 		const ownership = await ensureFurniOwnership();
 
+		// Backfill any missing nitros into the emulator's Gamedata bundle
+		const nitrosSynced = await syncNitrosToGamedataBundle();
+
 		logAudit({
 			userId: ctx.session.user.id,
 			action: "furni_import",
@@ -498,6 +506,7 @@ export const POST = withAdmin(
 			catalogItemId: result.catalogItemId,
 			offerIdsFixed: reconciled.fixed,
 			ownershipFixed: ownership.fixed,
+			nitrosSynced: nitrosSynced.copied,
 			spriteCount: result.spriteCount,
 			warnings: result.warnings,
 		});