Method validate

backend/src/git/link.rs:160–167

(&self)

    }

    fn validate(&self) -> Result<()> {
        if self.parent_topic_ids.is_empty() {
            return Err(Error::Repo(
                "at least one parent topic must be provided".into(),
            ));
        }
        Ok(())
    }

    fn change(
        &self,