use sea_orm::entity::prelude::*;use time::PrimitiveDateTime; #[derive(Clone, Debug, PartialEq, DeriveEntityModel)]#[sea_orm(table_name = "embeddings")]pub struct Model {    #[sea_orm(primary_key)]    pub model: String,    #[sea_orm(primary_key)]    pub digest: Vec<u8>,    pub dimensions: Vec<f32>,    pub retrieved_at: PrimitiveDateTime,} #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]pub enum Relation {} impl ActiveModelBehavior for ActiveModel {}