这个项目提供一套从视频上传到结果查看的完整处理流程。程序通过 Streamlit 提供界面，把视频内容拆解为关键帧、语音文本、分析报告和问答结果，适合用于快速浏览长视频内容、整理重点信息或继续检索历史分析结果。 核心能力 自动按场景提取关键帧。

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