utils/validators.py

# utils/validators.py
from pydantic import BaseModel
from typing import List, Optional

class ChatRequest(BaseModel):
    message: str
    session_id: Optional[str] = None
    history: Optional[List[List[str]]] = []

class ChatResponse(BaseModel):
    reply: str
    session_id: str
    status_info: str
    history: List[List[str]]