Configuration du storage manager

    const [pages, setPages] = useState<any[]>([]);
    useEffect(() => {
        editorRef.current = grapesjs.init({
            // ...
            storageManager: {
                type: "remote-local",
                autosave: true,
                autoload: true,
                stepsBeforeSave: 1,
            },
            // ...
        });


        editorRef.current.Storage.add('remote-local', {
            async load() {
                try {
                    const content = await sp.web.getFolderByServerRelativePath(folderName).files.getByUrl(fileName).getJSON()
                    setPages(content.pages)
                    // Update Pages state
                    return content;
                } catch (err) {
                    console.error("Error on load : ", err);
                    // Fallback sur le localStorage
                    const localStorage = editorRef.current.Storage.get('local');
                    await localStorage.load();
                }

            },

            async store(data) {
                try {
                    const fileExists = await sp.web.getFolderByServerRelativePath(folderName).files.getByUrl(fileName).exists();
                    const content = JSON.stringify(data);
                    const folder = sp.web.getFolderByServerRelativePath(folderName);

                    if (fileExists) {
                        await folder.files.getByUrl(fileName).setContent(content);
                    } else {
                        await folder.files.addUsingPath(fileName, content)
                        console.log(`File ${fileName} created`);
                    }

                    // Update Pages state
                    setPages(editorRef.current.Pages.getAll())

                } catch (err) {
                    console.error("Error on store : ", err);
                    // Fallback sur le localStorage
                    const localStorage = editorRef.current.Storage.get('local');
                    await localStorage.store(data, editorRef.current.Storage.getStorageOptions('local'));
                }
            },
        });

        // Commande pour sauvegarder manuellement le projet (à déclencher via un bouton)
        editorRef.current.Commands.add("save-db", {
            run: async (editor) => {
                editor.store(editor.getProjectData);
            },
        });

        const handleSave = () => {
            if (editorRef.current) {
                editorRef.current.Commands.run('save-db');
            }
        }

        return () => {
            editorRef.current && editorRef.current.destroy();
        };
    }, []);