[
  {
    "type": "alter_table",
    "description": "Add dateOfBirth to users — supports birthday soft-touch indicators on the team members page (birthday badges, upcoming-birthday surfacing).",
    "database": "kiosk_users",
    "check_query": "SHOW COLUMNS FROM users LIKE 'dateOfBirth'",
    "sql": "ALTER TABLE `users` ADD COLUMN `dateOfBirth` date DEFAULT NULL COMMENT 'Optional date of birth for birthday indicators' AFTER `phone`"
  }
]