[
  {
    "type": "alter_table",
    "description": "Add deletedAt column to workbook_notes for soft delete",
    "database": "{{store}}",
    "check_query": "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'workbook_notes' AND COLUMN_NAME = 'deletedAt'",
    "sql": "ALTER TABLE `workbook_notes` ADD COLUMN `deletedAt` timestamp NULL DEFAULT NULL COMMENT 'Soft delete timestamp' AFTER `updatedAt`"
  }
]