{"message":"政府新闻数据API服务","version":"1.0.0","endpoints":{"查询新闻":"/news","查询摘要":"/summaries","文章详情":"/news/{article_id}","统计信息":"/stats","网站列表":"/sites","健康检查":"/health","API文档":"/docs"},"features":["支持返回文章内容和AI摘要","专门的摘要查询接口","完整的统计信息包含内容和摘要完成度","支持多种筛选和排序条件"]}