{
    "version": "1.0.1",
    "description": "添加处理记录状态字段",
    "created_at": "2024-03-24T10:00:00",
    "up_sql": "ALTER TABLE process_records ADD COLUMN status VARCHAR(20) NOT NULL DEFAULT '待审核' CHECK (status IN ('已审核', '已发布', '待审核', '待发布', '已拒绝'));",
    "down_sql": "ALTER TABLE process_records DROP COLUMN status;"
}