SQLAlchemy `onupdate=` typo on 6 `trigger.py` `updated_at` columns silently breaks ORM auto-refresh

在 Dify 自托管(Source)环境中运行主分支代码,通过 ORM 操作触发相关的服务(如 api/services/trigger/* 、 schedule_service.py 、 webhook_service.py 等)进行更新后,发现 updated_at 字段长时间未变化,可能影响依




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