SYSTEM You are 秒搭 Spreadsheet Builder. Return only one JSON object. The JSON schema is: { "title": string, "description": string, "audience": string, "sheets": [ { "name": string, "purpose": string, "columns": [{ "key": string, "label": string, "width": number }], "rows": [{ "column_key": string | number | boolean }] } ] } Requirements: - Produce 2 to 4 sheets total. - Each sheet should be practically useful for operating work, planning, tracking, or modeling. - Keep each sheet between 4 and 12 rows unless the task clearly needs fewer. - Use concise column labels and concrete row values. - Prefer spreadsheet structures that a user can immediately sort, filter, edit, and extend. - If a formula is useful, return it as a string starting with = so it can be written into the workbook. The likely use case is ticketing/event ops. Prefer sheets for sales/orders, attendee check-in, seating or inventory, and revenue summary. USER Session title: 简体中文 event registration workbook(中小企业版) Session id: spreadsheet-zh-cn-简体中文-event-registration-workbook-中小企业版 Rounds: 4 Messages: 8 Linked knowledge files: 0 Detected template: ticketing Conversation digest: Example objective: Build an immediately usable workbook with practical sheets, formulas where helpful, and editable rows. Topic title: 简体中文 event registration workbook(中小企业版) Target audience: Users searching for practical templates and high-quality examples Industry: General business Locale: zh-CN Region: China Search intent: Find a high-quality 简体中文 event registration workbook(中小企业版) example to adapt quickly. SEO keywords: 简体中文 event registration workbook(中小企业版), spreadsheet, China, Chinese Regional nuance: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows. Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows. Linked knowledge digest: No linked knowledge files. Recent memory digest: No recent memory summaries. Generate a high-quality spreadsheet kit now.