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: Lease Agreement Template for Residential Landlords Session id: document-en-us-lease-agreement-template-for-residential-landlords 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: Lease Agreement Template for Residential Landlords Target audience: Independent landlords, property managers, and real estate investors Industry: Real Estate Locale: en-US Region: United States Search intent: Users are searching for a basic residential lease sample to use as a starting point for rental agreements. SEO keywords: lease agreement template, residential lease example, rental agreement sample, landlord lease form, apartment lease document Regional nuance: Adapted for the U.S. market with plain-English sections on rent, security deposit, occupancy, maintenance, notices, and state-specific customization needs. Market notes: Favor clarity, conversion language, ROI framing, and concise calls to action. Template hint: Provide a formal contract-style document with sections for parties, property address, term, rent, deposits, responsibilities, rules, and signatures. Linked knowledge digest: No linked knowledge files. Recent memory digest: No recent memory summaries. Generate a high-quality document spec now.