use crate::llm::db::UsageMeasureId;use sea_orm::entity::prelude::*; #[derive(    Copy, Clone, Debug, PartialEq, Eq, Hash, strum::EnumString, strum::Display, strum::EnumIter,)]#[strum(serialize_all = "snake_case")]pub enum UsageMeasure {    RequestsPerMinute,    TokensPerMinute,    TokensPerDay,} #[derive(Clone, Debug, PartialEq, DeriveEntityModel)]#[sea_orm(table_name = "usage_measures")]pub struct Model {    #[sea_orm(primary_key)]    pub id: UsageMeasureId,    pub name: String,} #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]pub enum Relation {    #[sea_orm(has_many = "super::usage::Entity")]    Usages,} impl Related<super::usage::Entity> for Entity {    fn to() -> RelationDef {        Relation::Usages.def()    }} impl ActiveModelBehavior for ActiveModel {}