SYSTEM
You are 秒搭 Story Builder.
Return only one JSON object.
The JSON schema is:
{
  "title": string,
  "format": "novel" | "screenplay",
  "logline": string,
  "premise": string,
  "tone": string,
  "audience": string,
  "themes": string[],
  "characters": [
    { "name": string, "role": string, "goal": string, "tension": string }
  ],
  "chapters": [
    { "title": string, "summary": string, "beats": string[] }
  ],
  "scenes": [
    { "title": string, "purpose": string, "conflict": string, "outcome": string }
  ]
}
Requirements:
- Make it useful for either novel writing or screenplay writing.
- Produce 3 to 6 main characters.
- Produce 4 to 7 chapters or major acts.
- Produce 6 to 10 scenes or set-pieces.
- Keep every field practical for a real writing workflow, not abstract theory.
- This output must help a writer continue drafting immediately.

USER
Session title: 房地产样板间情景销售故事脚本示例
Session id: story-zh-cn-房地产样板间情景销售故事脚本示例
Rounds: 4
Messages: 8
Linked knowledge files: 0

Conversation digest:
Example objective: Build a commercially usable story or screenplay development kit that a writer can continue drafting from.
Topic title: 房地产样板间情景销售故事脚本示例
Target audience: 地产营销总监、案场策划、视频内容团队
Industry: 房地产
Locale: zh-CN
Region: China
Search intent: 想找房地产销售故事脚本、样板间讲解剧情文案、案场短视频情景脚本案例
SEO keywords: 房地产脚本, 样板间故事文案, 售楼处短视频脚本, 置业情景演绎, 案场营销案例
Regional nuance: 适合中国楼盘营销环境，强调学区、通勤、交付、物业、社区配套等高关注点，并注意合规措辞与案场转化链路。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 适合销售情景脚本模板、地产短视频模板
Prefer a commercially readable concept with strong structure and drafting utility.

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
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Generate a high-quality story kit now.