WIP checkpoint: Trust & Safety: Moderation data model + Alembic migration

backend/app/models/user.py

@@ -1,7 +1,6 @@
 from datetime import date
-from typing import Optional
 
-from sqlalchemy import Column, Integer, String, Boolean, DateTime, Date, Enum, Text, ForeignKey
+from sqlalchemy import Boolean, Column, Date, DateTime, Enum, Integer, String
 from sqlalchemy.orm import relationship
 from sqlalchemy.sql import func
 
@@ -17,7 +16,10 @@ class User(Base):
     hashed_password = Column(String(255), nullable=False)
     date_of_birth = Column(Date, nullable=True)
     is_active = Column(Boolean, default=True)
-    role = Column(Enum("user", "moderator", "admin", name="user_role", default="user"), default="user")
+    role = Column(
+        Enum("user", "moderator", "admin", name="user_role", default="user"),
+        default="user",
+    )
     banned_until = Column(DateTime(timezone=True), nullable=True)
     suspended_until = Column(DateTime(timezone=True), nullable=True)
     created_at = Column(DateTime(timezone=True), server_default=func.now())
@@ -26,6 +28,7 @@ class User(Base):
     sessions = relationship("Session", back_populates="user", cascade="all, delete-orphan")
     worlds = relationship("World", back_populates="owner")
     assets = relationship("Asset", back_populates="owner")
+    appeals = relationship("Appeal", back_populates="user")
 
     @property
     def is_adult(self) -> bool: