marp-authoring

**WORKFLOW SKILL** - Create and revise Marp decks with reliable slide structure, content transformations, speaker notes, layouts, and existing theme styles. USE FOR: create Marp slides, add a slide, rewrite slide content, split or merge slides, reorder a deck, add speaker notes, apply slide layouts, restyle slides. DO NOT USE FOR: generating chart or diagram assets; use marp-visuals, or reviewing overflow and rendering; use marp-slide-review.