def serialize_note(row) -> dict:
    author=getattr(row,"author",None)
    return {
        "id": str(row.id),
        "note": row.note,
        "user_id": str(row.user_id) if row.user_id else None,
        "created_by": str(row.created_by) if row.created_by else None,
        "created_by_name": author.name if author else None,
        "created_at": row.created_at.isoformat() if row.created_at else None,
        "updated_at": row.updated_at.isoformat() if row.updated_at else None,
    }