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: 房屋租赁合同模板（个人房东与租客通用版）
Session id: document-zh-cn-房屋租赁合同模板-个人房东与租客通用版
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: 房屋租赁合同模板（个人房东与租客通用版）
Target audience: 个人房东、租客、中介从业者
Industry: 房地产服务
Locale: zh-CN
Region: China
Search intent: 下载规范的房屋租赁合同，用于个人租房签约
SEO keywords: 房屋租赁合同模板, 租房合同范本, 个人租房合同, 押一付三合同, 租赁协议下载
Regional nuance: 贴近中国城市租房习惯，包含押金约定、物业费承担、家具家电清单、居住登记等常见条款。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 建议附房屋交接清单、家具设备清单、签约注意事项。

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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