Initial Claude implementation

app/models/__init__.py

@@ -0,0 +1,15 @@
+"""Import all models so they register with ``Base.metadata``."""
+from app.models.associations import role_permissions, user_roles
+from app.models.permission import Permission
+from app.models.refresh_token import RefreshToken
+from app.models.role import Role
+from app.models.user import User
+
+__all__ = [
+    "Permission",
+    "RefreshToken",
+    "Role",
+    "User",
+    "role_permissions",
+    "user_roles",
+]