chore(): test and validation improvements

src/backend/api/v1/auth/schemas.py

@@ -3,7 +3,7 @@ from typing import ClassVar
 from ninja import ModelSchema, Schema
 from pydantic import Field
 
-from apps.users.models import User
+from apps.users.models import User, UserRole
 
 
 class LoginIn(Schema):
@@ -51,6 +51,8 @@ class TokenRefreshOut(Schema):
 
 
 class MeOut(ModelSchema):
+    role: UserRole
+
     class Meta:
         model = User
         fields: ClassVar[tuple[str, ...]] = (