[
  {
    "type": "alter_table",
    "description": "Add isKeyholder boolean to userStoreAssignments for opener/closer eligibility",
    "database": "kiosk_users",
    "check_query": "SHOW COLUMNS FROM userStoreAssignments LIKE 'isKeyholder'",
    "sql": "ALTER TABLE `userStoreAssignments` ADD COLUMN `isKeyholder` tinyint(1) NOT NULL DEFAULT 0 COMMENT 'Whether employee can open/close the store' AFTER `role`"
  }
]