[
  {
    "type": "alter_table",
    "description": "Add closeReportEmailEnabled column to users table for close report email preferences",
    "database": "kiosk_users",
    "check_query": "SHOW COLUMNS FROM users LIKE 'closeReportEmailEnabled'",
    "sql": "ALTER TABLE `users` ADD COLUMN `closeReportEmailEnabled` tinyint(1) NOT NULL DEFAULT 1 COMMENT 'Whether to send close report emails (default enabled to preserve existing behavior)'"
  },
  {
    "type": "alter_table",
    "description": "Add closeReportPushEnabled column to users table for close report push notification preferences",
    "database": "kiosk_users",
    "check_query": "SHOW COLUMNS FROM users LIKE 'closeReportPushEnabled'",
    "sql": "ALTER TABLE `users` ADD COLUMN `closeReportPushEnabled` tinyint(1) NOT NULL DEFAULT 0 COMMENT 'Whether to send close report push notifications (default disabled for existing users, opt-in)'"
  }
]