Add Auth model

models/auth.py

@@ -0,0 +1,15 @@
+from sqlalchemy import Column, String, DateTime, Boolean
+from sqlalchemy.sql import func
+from core.database import Base
+import uuid
+
+class Auth(Base):
+    __tablename__ = "auth"
+    
+    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
+    user_id = Column(String, nullable=False, index=True)
+    token = Column(String, nullable=False, unique=True)
+    is_blacklisted = Column(Boolean, default=False)
+    expires_at = Column(DateTime, nullable=False)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())