Document Skills

• Prefer the xlsx skill.
• If the task is more “tabular ETL + analysis” than “Excel formatting”, you can use spreadsheet instead (but keep output fidelity requirements in mind).

4. Slides / Posters / PPTX (.pptx, “slides”, “poster”, “deck”, “PowerPoint”)

• Prefer scientific-slides for scientific slide decks.
• Prefer pptx-posters for posters.
• Use infographics / markdown-mermaid-writing when the user wants diagrams rather than editable slides.

Safety / noise controls

• Do not guess formats. If the user didn’t specify a target file type, ask: “你最终需要交付的是 PDF / DOCX / XLSX / PPTX 哪一种？”
• If multiple outputs are requested, sequence them: source-of-truth document → derived exports (e.g., XLSX → charts → PPTX → PDF).

Output expectations

• Always preserve formatting when the user provides a template.
• For any generated file, clearly state: output path(s) and how to verify (open in Office/Preview, check page breaks, confirm no Excel formula errors, etc.).