"""AI PMO 项目群快照模型。"""

from __future__ import annotations

from typing import Any, Optional

from sqlalchemy import Integer, VARCHAR
from sqlalchemy.orm import Mapped, mapped_column

from .base import Base
from .types import JSONB


class PortfolioSnapshot(Base):
    __tablename__ = "portfolio_snapshots"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    scope_type: Mapped[str] = mapped_column(VARCHAR(20), nullable=False, default="tenant", index=True)
    scope_ref: Mapped[str] = mapped_column(VARCHAR(64), nullable=False, index=True)
    summary: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)
    payload: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)