Updates the details of an existing custom recipe identified by custom_recipe_id.

All recipe fields are optional and only the provided fields are updated.

If an ingredient list is provided without nutritional indicators, the nutritional information is automatically calculated from the valid LogMeal ingredients included in the recipe.

For translations, each language code maps to the translated dish name. A string value adds or updates the translation.
A null value deletes the stored translation for that language.

The request can be sent in two formats:

• application/json: use this format when updating recipe data without uploading an image.
• multipart/form-data: use the data field containing the JSON-serialized recipe payload and optionally provide the image in the image field.

The data object follows the same structure as the application/json payload.

Legacy multipart requests that provide recipe fields directly as form fields remain supported for backwards compatibility, but new integrations should use the data field.