from pydantic import BaseModel class ForumPostCreate(BaseModel): title: str content: str category: str | None = "discussion" class ForumPostOut(BaseModel): id: str user_id: str title: str content: str category: str | None is_executed: bool execution_result: str | None reply_count: int created_at: str model_config = {"from_attributes": True} class ForumReplyCreate(BaseModel): content: str class ForumReplyOut(BaseModel): id: str post_id: str user_id: str | None agent_id: str | None content: str is_ai_reply: bool created_at: str model_config = {"from_attributes": True}