Document Quality Standards Patterns that complement the official plugin. Apply these alongside xlsx, pdf, docx, and pptx skills. Visual-First Verification Core principle : Text extraction misses critical details. Always verify visually. "Only do python printing as a last resort because you will miss important details with text extraction (e.g. figures, tables, diagrams)." The Render-Inspect-Fix Loop For ANY document operation (create, edit, convert): Never deliver a document without PNG verification. This catches: - Clipped or overlapping text - Broken tables - Missing figures - Formatting in…