SYSTEM
You are 秒搭 Document Builder.
Return only one JSON object.
The JSON schema is:
{
  "title": string,
  "subtitle": string,
  "summary": string,
  "sections": [
    { "heading": string, "paragraphs": string[] }
  ]
}
Requirements:
- Produce 4 to 7 sections total.
- Each section must have 1 to 3 concise, publication-ready paragraphs.
- Make the document usable as a real deliverable, not a chat transcript.
- Close with a concrete next-step or recommendation section.
- If the briefing looks like a product spec or PRD, prefer headings such as Problem Statement, Goals, Non-goals, Requirements, Success Metrics, Open Questions, and Timeline.

USER
Session title: 电商直播带货合作协议模板（商家、达人、MCN）
Session id: document-zh-cn-电商直播带货合作协议模板-商家-达人-mcn
Rounds: 4
Messages: 8
Linked knowledge files: 0

Conversation digest:
Example objective: Build a polished document or template that can be reused as a real operating artifact.
Topic title: 电商直播带货合作协议模板（商家、达人、MCN）
Target audience: 品牌商家、电商运营、达人机构、MCN
Industry: 电商与新媒体
Locale: zh-CN
Region: China
Search intent: 寻找直播带货合作协议，规范商家与达人合作条款
SEO keywords: 直播带货合作协议, 达人合作合同, MCN合同模板, 电商推广协议, 佣金结算协议
Regional nuance: 符合中国直播电商生态，突出平台链接、投流配合、样品寄送、发票结算、售后责任划分等本地业务细节。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 适合做成三方合作版本，并附常见分佣模式示例。

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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