from __future__ import annotations from typing import Any, Generic, TypeVar from pydantic import BaseModel, Field DataT = TypeVar("DataT") class ApiResponse(BaseModel, Generic[DataT]): request_id: str success: bool code: str message: str data: DataT timestamp: str class ErrorResponse(BaseModel): request_id: str success: bool = False code: str message: str data: dict[str, Any] = Field(default_factory=dict) timestamp: str