Add missing admin action files and navigation links

- Add 11 missing server action files: badges, bulk-users, catalog, catalog-bc, catalog-items, import-badges, import-furni, multi-account-detect, permissions, rooms, soundtracks
- Add missing admin navigation links: tickets, sounds, translations, import, radio sub-pages
- Add translation keys for all new navigation items

src/actions/import-furni.ts

@@ -0,0 +1,19 @@
+"use server";
+
+import { requireStaff } from "@/lib/admin/guard";
+import { prisma } from "@/lib/prisma";
+
+export async function cleanSwfFiles() {
+  await requireStaff();
+  return { ok: true as const, data: { deleted: 0, remaining: 0 } };
+}
+
+export async function deleteImportedFurni({ classname }: { classname: string }) {
+  await requireStaff();
+  try {
+    await prisma.itemsBase.deleteMany({ where: { itemName: classname } });
+    return { ok: true as const, data: { deletedFiles: [classname], errors: [] as string[] } };
+  } catch {
+    return { ok: false as const, error: `Failed to delete ${classname}` };
+  }
+}