XLSX Generator When to Use This Skill Use this skill when: - Creating Excel spreadsheets programmatically from data or specifications - Populating branded templates with dynamic content while preserving formatting - Extracting cell data, formulas, and structure from existing XLSX files - Finding and replacing placeholder text like or in cells - Automating spreadsheet generation workflows (reports, data exports, financial statements) Do NOT use this skill when: - User wants to open/view spreadsheets (use native Excel or viewer) - Complex pivot tables or charts are required (limited support) -…