Get File Metadata

curl --request GET \
  --url https://server26-dot-royalti-project.uc.r.appspot.com/file/{id} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "message": "File metadata retrieved",
  "data": {
    "id": "file-uuid-123",
    "status": "processed",
    "name": "export.csv"
  }
}