ng-code/backup-original/app/models/conversation.model.ts

// 文本部分
export interface TextPart {
  type: string; // 通常是 "text"
  text: string;
}

// 模型信息
export interface ModelInfo {
  providerID: string;
  modelID: string;
}

// 流式对话请求
export interface PromptStreamRequest {
  sessionID: string;
  parts: TextPart[];
  agent?: string;
  model?: ModelInfo;
}

// 助理消息
export interface AssistantMessage {
  id: string;
  role: string;
  sessionID: string;
  content?: string;
  agent: string;
  modelID: string;
  providerID: string;
  tokens: TokenInfo;
  time: { [key: string]: any };
}

// Token信息
export interface TokenInfo {
  input: number;
  output: number;
}

// 消息类型
export type MessageType = 'thinking' | 'tool' | 'reply' | 'error';

// 对话消息（前端显示用）
export interface ChatMessage {
  id: string;
  role: 'user' | 'assistant' | 'system';
  type?: MessageType; // 消息类型（思考、工具、回复、错误）
  content: string;
  timestamp: Date;
  sessionID: string;
  loading?: boolean; // 是否正在流式加载
}

// 流式响应块
export interface StreamChunk {
  type: MessageType | 'done';
  data: string;
}