DELETE FROM qipai_schema_migrations
WHERE version = '2026062627';

ALTER TABLE qipai_cleaning_settlement_items
  DROP FOREIGN KEY fk_qipai_cleaning_settlement_items_cleaner,
  DROP INDEX uq_qipai_cleaning_settlement_item_task_user,
  DROP INDEX idx_qipai_cleaning_settlement_items_cleaner,
  DROP COLUMN cleaner_user_id,
  ADD UNIQUE KEY uq_qipai_cleaning_settlement_item_task (tenant_id, task_id);

DROP TABLE IF EXISTS qipai_cleaning_task_members;