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# models/user.py
from datetime import datetime
from sqlalchemy import Column, Integer, String, DateTime
from sqlalchemy.orm import relationship
from zoneinfo import ZoneInfo
from .base import Base

class User(Base):
    __tablename__ = 'users'
    
    id = Column(Integer, primary_key=True)
    username = Column(String(100), unique=True, nullable=False)
    hashed_password = Column(String(255), nullable=False)
    created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(ZoneInfo("Asia/Jakarta")))
    
    # Relationship to Message
    messages = relationship("Message", back_populates="user", cascade="all, delete-orphan")