Fix: Auto-cleanup temp files after photo processing

- Added temp file deletion in Celery task after successful processing
- Added temp file cleanup in sync fallback method
- Added temp file removal in delete() if processing never completed
- Prevents accumulation of orphaned files in media/<entity>/temp/ folders

myproject/products/models/base.py

@@ -193,6 +193,11 @@ class BaseProductEntity(models.Model):
         """Физическое удаление из БД (необратимо! только для старых товаров)"""
         super().delete()
 
+    @property
+    def is_active(self):
+        """Возвращает True если товар активен"""
+        return self.status == 'active'
+
     def save(self, *args, **kwargs):
         """
         Автогенерация slug из name если не задан.