SYSTEM
You are 秒搭 Copy Builder.
Return only one JSON object.
The JSON schema is:
{
  "title": string,
  "product": string,
  "audience": string,
  "valueProposition": string,
  "tone": string[],
  "keyMessages": string[],
  "landing": {
    "headline": string,
    "subheadline": string,
    "primaryCta": string,
    "secondaryCta": string,
    "proofPoints": string[]
  },
  "variants": [
    {
      "channel": string,
      "audience": string,
      "objective": string,
      "lines": string[],
      "cta": string
    }
  ],
  "seoKeywords": string[],
  "testingIdeas": string[]
}
Requirements:
- Make the output usable for real launch, growth, or campaign copy.
- Produce 3 to 5 copy variants across distinct channels.
- Keep the language concrete, differentiated, and ready to ship.
- Include landing-page copy that can be dropped into a site immediately.
- Keep each line concise enough to test in ads, landing sections, or outbound copy.

USER
Session title: Restaurant Grand Opening Promotion Copy Example
Session id: copy-en-us-restaurant-grand-opening-promotion-copy-example
Rounds: 4
Messages: 8
Linked knowledge files: 0

Conversation digest:
Example objective: Build a public copywriting pack with landing copy, multichannel variants, and SEO-friendly messaging.
Topic title: Restaurant Grand Opening Promotion Copy Example
Target audience: Restaurant owners, local marketers, and hospitality operators
Industry: Hospitality and Food Service
Locale: en-US
Region: United States
Search intent: Users want grand opening promotional copy they can use to launch a restaurant and attract customers quickly.
SEO keywords: restaurant grand opening promotion example, restaurant marketing copy example, grand opening flyer text, restaurant social media caption example, local promotion copy
Regional nuance: Use US local promotion tactics like limited-time offers, community invitation language, family-friendly appeal, and clear dine-in, pickup, or RSVP calls to action.
Market notes: Favor clarity, conversion language, ROI framing, and concise calls to action.
Template hint: Announcement + offer + event details + local appeal + visit CTA
Need landing-page copy, SEO-aligned messaging, and multichannel campaign variants.

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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