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hook-analyzer

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视频前三秒钩子分析技能。从分镜拆解结果中提取前三秒分镜数据，为钩子吸引力评估提供结构化上下文。运行脚本 `python scripts/analyze_hook_segments.py "<breakdown_json_file>"` 或通过 stdin 传入 JSON。输出包含前三秒分镜数量、总时长和每个分镜的详细信息（含关键帧 URL）。

python/02-use-cases/video_breakdown_agent/.skills/hook-analyzer-skill/SKILL.md

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# 视频前三秒钩子分析 (Hook Analyzer)

## 概述

视频前三秒钩子分析技能从分镜拆解结果中提取前三秒的分镜数据，并构造结构化的分析上下文，包含视觉内容描述、关键帧图片 URL、运镜方式等信息，为后续的 LLM 多维度评分分析提供输入。

## 适用场景

1. **短视频优化**：评估视频开头的吸引力，提升 3 秒留存率
2. **创意评审**：从5个维度量化分析钩子质量
3. **竞品对标**：对比不同视频开头的钩子策略

## 分析维度
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