export type MessageType = 'system' | 'agent' | 'user';
export type GenerationStatus = 'pending' | 'active' | 'completed' | 'failed';

export interface ChatMessage {
    type: MessageType;
    message: string;
}

export interface GenerateRequestBody {
    topicId: string;
    messages: ChatMessage[];
    regeneratesFrom?: string;
}

export interface GenerationStreamEvent {
    type: 'start' | 'token' | 'complete' | 'error';
    data: string | object | null;
}

export interface GenerationStatusResponse {
    generationId: string;
    status: GenerationStatus;
    content?: string;
    topicId?: string;
    model?: string;
    tokensGenerated?: number;
    tokensUsedThinking?: number;
    error?: string;
}