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: 品牌全案提案PPT模板：企业品牌升级方案案例
Session id: presentation-zh-cn-品牌全案提案ppt模板-企业品牌升级方案案例
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: 品牌全案提案PPT模板：企业品牌升级方案案例
Target audience: 品牌策划公司、市场部负责人、企业老板
Industry: 品牌营销
Locale: zh-CN
Region: China
Search intent: 用户想找专业感强、便于对外提案的品牌策略PPT案例，提高中标率和客户信任感。
SEO keywords: 品牌提案PPT, 品牌升级方案, 品牌全案PPT, 品牌策划案例, 企业品牌定位, 品牌咨询汇报
Regional nuance: 结合中国市场常见的消费分层、平台传播打法和本土品牌竞争环境，适合甲方比稿、微信发送预览和现场讲标。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 高端极简风，重视视觉统一与策略表达，适合加入对标品牌和消费人群画像。

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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