- upload_file: 图片/视频人脸检测保存face_bboxes - upload_file: 视频帧chunk INSERT加metadata列(start_time+bboxes) - search_result: 检索结果显示bbox坐标和视频时间戳 - init.py: chunk INSERT加metadata列 - media_cards: 标签同时读media_tags表和metadata.tags - search_result: 媒体URL用entire_url转完整路径