WIP checkpoint: T1: Moderation data model + Alembic migration

backend/app/models/appeal.py

@@ -22,13 +22,6 @@ from app.database import Base
 class Appeal(Base):
     __tablename__ = "appeals"
 
-    # Status values
-    APPEAL_STATUS = Enum(
-        "pending", "approved", "rejected",
-        name="appeal_status",
-        create_type=False,
-    )
-
     id = Column(Integer, primary_key=True, index=True)
     moderation_action_id = Column(
         Integer,
@@ -42,9 +35,9 @@ class Appeal(Base):
     )
     reason = Column(Text, nullable=False)
     status = Column(
-        APPEAL_STATUS,
+        Enum("pending", "approved", "rejected", name="appeal_status", create_type=False),
         nullable=False,
-        default=APPEAL_STATUS.PENDING,
+        default="pending",
     )
     reviewed_by = Column(
         Integer,
@@ -63,7 +56,7 @@ class Appeal(Base):
     reviewer = relationship(
         "User",
         foreign_keys=[reviewed_by],
-        backref="reviewed_appeals",
+        back_populates="reviewed_appeals",
     )
 
     __table_args__ = (

backend/app/models/moderation_action.py

@@ -111,3 +111,8 @@ class ModerationAction(Base):
         back_populates="moderation_actions_received",
     )
     report = relationship("Report", back_populates="moderation_actions")
+    appeals = relationship(
+        "Appeal",
+        back_populates="moderation_action",
+        cascade="all, delete-orphan",
+    )