from __future__ import annotations from datetime import datetime from uuid import UUID from sqlmodel import SQLModel class ActivityEventRead(SQLModel): id: UUID event_type: str message: str | None agent_id: UUID | None task_id: UUID | None created_at: datetime class ActivityTaskCommentFeedItemRead(SQLModel): id: UUID created_at: datetime message: str | None agent_id: UUID | None agent_name: str | None = None agent_role: str | None = None task_id: UUID task_title: str board_id: UUID board_name: str