Method sync_from_python

src/python/lfs/py_ui_menus.cpp:499–551

    }

    void PyMenuRegistry::sync_from_python() const {
        // GIL is already held by callers (bridge functions in python_runtime.cpp)
        try {
            auto menus_module = nb::module_::import_("lfs_plugins.layouts.menus");
            auto get_menu_classes = menus_module.attr("get_menu_classes");
            auto menu_classes = get_menu_classes();

            std::lock_guard lock(mutex_);

            menu_classes_.clear();

            for (nb::handle menu_class_handle : menu_classes) {
                nb::object menu_class = nb::borrow(menu_class_handle);
                if (!menu_class.is_valid())
                    continue;

                std::string idname = nb::cast<std::string>(menu_class.attr("__module__")) + "." +
                                     nb::cast<std::string>(menu_class.attr("__qualname__"));

                std::string label;
                MenuLocation location = MenuLocation::File;
                int order = 100;

                if (nb::hasattr(menu_class, "label")) {
                    label = nb::cast<std::string>(menu_class.attr("label"));
                }
                if (nb::hasattr(menu_class, "location")) {
                    location = parse_menu_location(nb::cast<std::string>(menu_class.attr("location")));
                }
                if (nb::hasattr(menu_class, "order")) {
                    order = nb::cast<int>(menu_class.attr("order"));
                }

                nb::object instance = menu_class();

                PyMenuClassInfo info;
                info.idname = idname;
                info.label = label;
                info.location = location;
                info.order = order;
                info.menu_class = menu_class;
                info.menu_instance = instance;

                menu_classes_.push_back(std::move(info));
            }

            sort_by_order(menu_classes_);

            LOG_INFO("Synced {} menus from Python registry", menu_classes_.size());
        } catch (const std::exception& e) {
            LOG_ERROR("Failed to sync menus from Python: {}", e.what());
        }
    }

    vis::gui::MenuDropdownContent PyMenuRegistry::collect_menu_content(const std::string& idname) {
        vis::gui::MenuDropdownContent content;