from sqlalchemy import Column, Integer, String, Float, Boolean, DateTime from sqlalchemy.sql import func from api.database import Base class HallucinationLog(Base): __tablename__ = "hallucination_logs" id = Column(Integer, primary_key=True, index=True) context = Column(String, nullable=False) llm_output = Column(String, nullable=False) # ML Scores contradiction_score = Column(Float) entailment_score = Column(Float) neutral_score = Column(Float) is_hallucination = Column(Boolean) # Auto-generate a timestamp when the record is created created_at = Column(DateTime(timezone=True), server_default=func.now())