_image') }}",
            toolPageUri: "{{ url_for('core.fetch_tool_page') }}"
        });

        contentArea.initWindowSplit("#workspace-ui", "#center-frame");

        let catalog = new Catalog({
            treeContainer: "#catalog-tree",
            contextmenu: ".contextmenu",
            authContainer: "#auth-frame",
            fetchDataUri: "{{ url_for('core.fetch_notes') }}",
            fetchContentUri: "{{ url_for('core.fetch_content') }}",
            addNoteUri: "{{ url_for('core.add_note') }