onst response = await fetch('/admin_api/multimodal-cache', { // UPDATED API ENDPOINT
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({ data: mediaCacheData }) // Send the data object
            });

            const result = await response.json();

            if (response.ok) {
                alert(result.message || '多媒体缓存文件已成功保存。');
            