// --- Types (从后端模型同步或手动定义) ---
// 这些类型应该与后端 pydantic_models.py 中的 Read 模型匹配
export interface Assistant {
  id: string;
  name: string;
  description?: string | null;
  avatar?: string | null;
  system_prompt: string;
  model: string;
  temperature: number;
}
// 创建助手时发送的数据类型
export interface AssistantCreateData {
  name: string;
  description?: string | null;
  avatar?: string | null;
  system_prompt: string;
  model: string;
  temperature: number;
}

// 更新助手时发送的数据类型 (所有字段可选)
export type AssistantUpdateData = Partial<AssistantCreateData>;

// --- Types ---
export interface Session {
  id: string;
  title: string;
  assistant_id: string;
  created_at: string; // ISO date string
  updated_at?: string | null; // Add updated_at
}

// Message type from backend
export interface Message {
  id: string;
  session_id: string;
  sender: "user" | "ai"; // Or extend with 'system' if needed
  text: string;
  order: number;
  created_at: string; // ISO date string
}

// 聊天响应类型
export interface ChatApiResponse {
  reply: string;
  session_id?: string | null; // 后端返回的新 session id
  session_title?: string | null; // 后端返回的新 session title
}