34 lines
1.4 KiB
Python
34 lines
1.4 KiB
Python
"""QA 会话语义状态模型。"""
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from __future__ import annotations
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from typing import Any, Optional
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from sqlalchemy import ForeignKey, Integer, TIMESTAMP, VARCHAR
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from sqlalchemy.orm import Mapped, mapped_column
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from .base import Base
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from .types import JSONB
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class QASessionState(Base):
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__tablename__ = "qa_session_states"
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id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
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session_id: Mapped[int] = mapped_column(
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Integer,
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ForeignKey("qa_sessions.id", ondelete="CASCADE"),
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nullable=False,
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unique=True,
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index=True,
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)
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last_subject: Mapped[Optional[str]] = mapped_column(VARCHAR(255), nullable=True, index=True)
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last_entity_ids: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)
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last_intent: Mapped[Optional[str]] = mapped_column(VARCHAR(20), nullable=True, index=True)
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ambiguity: Mapped[Optional[str]] = mapped_column(VARCHAR(20), nullable=True, index=True)
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rewrite_history: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)
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active_workspace: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)
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context_capsules: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)
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pending_clarification: Mapped[Optional[Any]] = mapped_column(JSONB, nullable=True)
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pending_clarification_expires_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True, index=True)
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