export interface IDocumentChatMessage {
    role: 'user' | 'assistant';
    content: string;
    at?: Date;
}
export interface IDocumentItem {
    _id: string;
    userId: string;
    title: string;
    content: string;
    model?: string;
    chatHistory?: IDocumentChatMessage[];
    createdAt?: Date;
    updatedAt?: Date;
}
export type DocumentGenerationMode = 'create' | 'update';