Corrected according to https://github.com/langgenius/dify/issues/15936#issuecomment-2727350867

api/commands.py

@@ -161,8 +161,7 @@ def migrate_annotation_vector_database():
         try:
             # get apps info
             apps = (
-                db.session.query(App)
-                .filter(App.status == "normal")
+                App.query.filter(App.status == "normal")
                 .order_by(App.created_at.desc())
                 .paginate(page=page, per_page=50)
             )

api/models/model.py

@@ -74,7 +74,7 @@ class IconType(Enum):
     EMOJI = "emoji"
 
 
-class App(Base):
+class App(db.Model):  # type: ignore[name-defined]
     __tablename__ = "apps"
     __table_args__ = (db.PrimaryKeyConstraint("id", name="app_pkey"), db.Index("app_tenant_id_idx", "tenant_id"))