# V18 Director prompt 结构模板（REF2VA 模式）

## 完整六段结构（英文，供 H3 使用）

subject_definitions:
<Subject 1> is the ... in <Picture 1>, with ...
<Picture 1> is the ... reference sheet and identity anchor for <Subject 1>; ...
<Subject 2> is the ... in <Picture 2>, ...
<Picture 2> is the opening-frame scene anchor for [Shot 1] ...
...

summary:
[reference generation] A <N>-second single-take clip with no cut. <Subject 1> from <Picture 1> ... (动作/情节概要，含机位、运镜、人物走位)

retention_analysis:
<Subject 1> (appears in [Shot 1]): fully_preserved - ...
<Picture 1> ([Shot 1] identity): fully_preserved - ...
<Subject 2> (appears in [Shot 1]): fully_preserved - ...
...

detailed_description:
[Shot 1] <风格描述>. Vertical 9:16. One unbroken shot, no cut, for the full <N> seconds.
<时间段>：...（逐段描述画面、运镜、人物动作、表情、台词）
Forbidden: ...
Camera: ...

overall_soundscape:
<环境音效描述>（脚步声、环境声、人声台词位置）

non_diegetic_music:
<背景音乐风格描述>

## 规则
- <Picture 1>、<Picture 2>... 对应上传的参考图（timeline items 的 slot 0,1,...）
- <Subject N> 为主语定义，必须引用对应 <Picture N>
- retention_analysis 用 fully_preserved / weak_reference / not_referenced 三级
- detailed_description 要包含机位、运镜、时间轴分段