Presentation Skill Create editable PowerPoint decks from source. The model owns the argument, evidence, and design judgment; the skill owns deterministic rendering and QA. Compose supported layouts around the content, not a fixed template sequence. Keep each deck coherent while making meaningful structural choices across decks; palette, borders, and random variant changes alone are not diversity. Core Contract - Treat , planning files, data, and figure scripts as source. - Build with repository commands. Do not write one-off deck generators or patch a generated PPTX when source exists. - Keep…