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 operational planning. Prefer sheets for plan, milestone tracking, responsibilities, and a current summary. USER Session title: Employee Holiday Tracker Spreadsheet for UK HR Teams Session id: spreadsheet-en-gb-employee-holiday-tracker-spreadsheet-for-uk-hr-teams Rounds: 4 Messages: 8 Linked knowledge files: 0 Detected template: operations Conversation digest: Example objective: Build an immediately usable workbook with practical sheets, formulas where helpful, and editable rows. Topic title: Employee Holiday Tracker Spreadsheet for UK HR Teams Target audience: HR administrators, office managers, and small business employers Industry: Human Resources Locale: en-GB Region: United Kingdom Search intent: Users want a leave tracker spreadsheet that helps manage staff absences clearly and consistently. SEO keywords: employee holiday tracker UK, annual leave spreadsheet, staff absence tracker, HR leave template, holiday planner spreadsheet Regional nuance: Reflect UK terminology such as annual leave, bank holidays, and holiday-year tracking rather than generic PTO language. Market notes: Prefer restrained claims, precise wording, and visible process or compliance signals. Template hint: Include employee list, entitlement, leave taken, remaining balance, bank holiday settings, department view, and monthly calendar summary. Linked knowledge digest: No linked knowledge files. Recent memory digest: No recent memory summaries. Generate a high-quality spreadsheet kit now.