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SnapAndAnaly/backend/app/models/meta.py
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"""截图的 OCR / AI 元信息。与 screenshot 1:1。"""
from __future__ import annotations
from sqlalchemy import ForeignKey, Integer, Text
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.core.db import Base
class ScreenshotMeta(Base):
"""OCR 文本 + AI 结构化结果。"""
__tablename__ = "screenshot_meta"
screenshot_id: Mapped[int] = mapped_column(
Integer,
ForeignKey("screenshots.id", ondelete="CASCADE"),
primary_key=True,
)
ocr_text: Mapped[str | None] = mapped_column(Text, nullable=True)
ai_title: Mapped[str | None] = mapped_column(Text, nullable=True)
ai_summary: Mapped[str | None] = mapped_column(Text, nullable=True)
ai_suggestion: Mapped[str | None] = mapped_column(Text, nullable=True)
ai_raw_json: Mapped[str | None] = mapped_column(Text, nullable=True) # 完整原始 JSON
screenshot = relationship("Screenshot", back_populates="meta")