release: bump version to 0.70.0

backend/app/models/user.py

@@ -1,6 +1,7 @@
 from sqlalchemy import Boolean, Column, DateTime, Integer, JSON, String
 from sqlalchemy.sql import func
 
+from app.core.enums import UserRole
 from app.db.session import Base
 
 
@@ -11,7 +12,7 @@ class User(Base):
     username = Column(String(50), unique=True, index=True, nullable=False)
     email = Column(String(255), unique=True, index=True, nullable=False)
     password_hash = Column(String(255), nullable=False)
-    role = Column(String(20), default="viewer")
+    role = Column(String(20), default=UserRole.VIEWER.value)
     gatekeeper_groups = Column(JSON, default=list)
     is_active = Column(Boolean, default=True)
     email_verified = Column(Boolean, default=False, nullable=False)