from pydantic import BaseModel
from datetime import datetime


class ProjectHistoryResponse(BaseModel):
    """项目历史记录响应模型"""
    id: int
    project_id: int
    changed_by: int
    change_field: str
    old_value: str
    new_value: str
    change_description: str
    created_at: datetime
    
    class Config:
        from_attributes = True