from sqlalchemy import Column, Integer, String, Text, DateTime, func from app.core.database import Base class AuditLog(Base): __tablename__ = "audit_logs" id = Column(Integer, primary_key=True, autoincrement=True) user_id = Column(Integer, nullable=False) action = Column(String(50), nullable=False) target_type = Column(String(50), nullable=False) # ticket / instance / user / query target_id = Column(Integer, nullable=True) detail = Column(Text, nullable=True) ip_address = Column(String(50), nullable=True) created_at = Column(DateTime, server_default=func.now())