Metadata correction for 2026.acl-long.1984

### JSON data block

```json
{
"anthology_id": "2026.acl-long.1984",
"authors": [
{
"first": "Yaowenqi",
"last": "Liu",
"id": "yaowenqi-liu/unverified"
},
{
"first": "Bingxu",
"last": "Meng",
"id": "bingxu-meng/unverified"
},
{
"first": "Rui",
"last": "Pan",
"id": "rui-pan"
},
{
"first": "Yuxing",
"last": "Liu",
"id": "yuxing-liu/unverified"
},
{
"first": "Jerry",
"last": "Huang",
"id": "jerry-huang"
},
{
"first": "Jiaxuan",
"last": "You",
"id": "jiaxuan-you"
},
{
"first": "Tong",
"last": "Zhang",
"id": "tong-zhang"
}
],
"authors_old": "Yaowenqi Liu | BingXu Meng | Rui Pan | Yuxing Liu | Jerry Huang | Jiaxuan You | Tong Zhang",
"authors_new": "Yaowenqi Liu | Bingxu Meng | Rui Pan | Yuxing Liu | Jerry Huang | Jiaxuan You | Tong Zhang"
}
```