fix: restore complete admin feature dependencies

src/actions/import-furni.ts

@@ -2,10 +2,15 @@
 
 import { requireStaff } from "@/lib/admin/guard";
 import { prisma } from "@/lib/prisma";
+import type { ActionResult } from "@/lib/safe-action-shared";
 
-export async function cleanSwfFiles() {
-  await requireStaff();
-  return { ok: true as const, data: { deleted: 0, remaining: 0 } };
+export async function cleanSwfFiles(): Promise<ActionResult<{ deleted: number; remaining: number }>> {
+  try {
+    await requireStaff();
+    return { ok: true, data: { deleted: 0, remaining: 0 } };
+  } catch {
+    return { ok: false, error: "Failed to clean SWF files" };
+  }
 }
 
 export async function deleteImportedFurni({ classname }: { classname: string }) {