use sea_orm_migration::prelude::*;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, _manager: &SchemaManager) -> Result<(), DbErr> {
        // 占位迁移：历史上已应用，但当前代码库缺失实际文件
        Ok(())
    }

    async fn down(&self, _manager: &SchemaManager) -> Result<(), DbErr> {
        Ok(())
    }
}