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: UK Tenant Reference Request Letter Example for Letting Applications
Session id: document-en-gb-uk-tenant-reference-request-letter-example-for-letting-applications
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: UK Tenant Reference Request Letter Example for Letting Applications
Target audience: Private landlords, letting agents, and property managers in the UK
Industry: Property and Lettings
Locale: en-GB
Region: United Kingdom
Search intent: Users need a reliable tenant reference request letter they can send as part of standard UK tenancy checks.
SEO keywords: tenant reference request letter uk, landlord reference letter template uk, letting reference request example, tenant check letter uk, rental reference template uk
Regional nuance: Use UK lettings terminology such as tenancy, landlord, arrears, and right to rent process context where relevant, without overstating legal certainty.
Market notes: Prefer restrained claims, precise wording, and visible process or compliance signals.
Template hint: Short formal letter with check-box style questions or clear bullet points for rent, conduct, and property condition feedback.

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

Generate a high-quality document spec now.