from typing import Any, Dict, Optional from pydantic import BaseModel class APIResponse(BaseModel): """Base API response model""" success: bool = True message: Optional[str] = None data: Optional[Any] = None class ErrorResponse(BaseModel): """Error response model""" success: bool = False message: str error_code: Optional[str] = None details: Optional[Dict[str, Any]] = None class PaginatedResponse(BaseModel): """Paginated response model""" success: bool = True data: list pagination: Dict[str, Any] message: Optional[str] = None