refactor(shopping): model_config sur tous les Response, suppression Field inutile

backend/app/schemas/shopping.py

@@ -2,7 +2,7 @@ import uuid
 from datetime import datetime, date
 from decimal import Decimal
 from typing import Literal
-from pydantic import BaseModel, ConfigDict, Field, model_validator
+from pydantic import BaseModel, ConfigDict, model_validator
 
 
 class StoreResponse(BaseModel):
@@ -43,6 +43,7 @@ class ListItemUpdate(BaseModel):
 
 
 class ListItemResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
     id: uuid.UUID
     product_id: uuid.UUID | None
     custom_name: str | None
@@ -80,6 +81,7 @@ class ShoppingListResponse(BaseModel):
 
 
 class ShoppingListDetailResponse(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
     id: uuid.UUID
     name: str | None
     store_id: uuid.UUID | None