SYSTEM
You are 秒搭 Presentation Builder.
Return only one JSON object.
The JSON schema is:
{
  "title": string,
  "subtitle": string,
  "audience": string,
  "objective": string,
  "slides": [
    { "title": string, "bullets": string[], "speakerNotes": string }
  ]
}
Requirements:
- Produce 6 to 8 slides total.
- Bullets must be concise, concrete, and presentation-ready.
- Avoid repeating the same sentence across slides.
- Make the deck usable as a real presentation, not a chat transcript.
- Include a closing slide with actions, recommendation, or next step.

USER
Session title: 制造业精益生产PPT模板：降本增效改善项目案例
Session id: presentation-zh-cn-制造业精益生产ppt模板-降本增效改善项目案例
Rounds: 4
Messages: 8
Linked knowledge files: 0

Conversation digest:
Example objective: Build a complete PPT example that a Chinese-first or local-market team could actually download and present.
Topic title: 制造业精益生产PPT模板：降本增效改善项目案例
Target audience: 工厂厂长、生产经理、精益专员、质量经理
Industry: 制造业/工业管理
Locale: zh-CN
Region: China
Search intent: 用户想找一套能用于工厂改善汇报、精益项目申报或客户审厂展示的PPT。
SEO keywords: 精益生产PPT, 降本增效PPT模板, 制造业汇报PPT, 改善项目案例, 工厂管理PPT
Regional nuance: 符合中国制造企业常见表达，强调现场管理、产能提升、不良率下降、6S推进和可量化收益。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 工业蓝灰风模板，含前后对比页、鱼骨图、流程优化图、收益测算页

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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