fix possible mem leaks on photos

app/vault/[uuid]/edit/page.tsx

@@ -59,16 +59,17 @@ export default function VaultBuildEditPage() {
   const [error, setError] = useState<string | null>(null);
   const [savedMsg, setSavedMsg] = useState<string | null>(null);
 
-  // ✅ photo upload UI state
+  //  photo upload UI state
   const [previews, setPreviews] = useState<LocalPreview[]>([]);
   const [uploading, setUploading] = useState(false);
 
-  // ✅ avoid object URL leaks
+  // avoid object URL leaks
   useEffect(() => {
     return () => {
       previews.forEach((p) => URL.revokeObjectURL(p.url));
     };
-  }, [previews]);
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
 
   const authed = !!token;