{ "generation_request": { "meta_data": { "tool": "NanoBanana Pro", "task_type": "text_to_image_photoreal_romcom_poster", "version": "v1.0" }, "references": { "reference_images": { "female_reference": "上传女性参考图 (必填)", "male_reference": "上传男性参考图 (必填)" } } } }