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: Business Case Presentation Example
Session id: presentation-en-gb-business-case-presentation-example
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: Business Case Presentation Example
Target audience: Business analysts, transformation leads, public sector teams, and managers seeking approval
Industry: Strategy and finance
Locale: en-GB
Region: United Kingdom
Search intent: Users are looking for a business case PPT example to support investment approval or change proposals.
SEO keywords: business case presentation example, options appraisal ppt, investment proposal presentation, approval deck example, cost benefit presentation
Regional nuance: Align with UK expectations for clear assumptions, option comparison, risk treatment, and measured benefit statements rather than inflated ROI claims.
Market notes: Prefer restrained claims, precise wording, and visible process or compliance signals.
Template hint: Formal approval deck with executive summary, problem statement, shortlisted options, financial analysis, risk assessment, and recommendation.

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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