PPTX ↔ HTML Fidelity Audit A repeatable workflow for catching the ways a export silently drifts from its HTML source — and fixing them with a layout discipline that prevents the same regressions on the next pass. When this skill applies The user has: - A source HTML slide deck (typically a single-file deck with blocks): - A PPTX file generated from that deck via python-pptx (or similar). - A suspicion (or visible evidence) that the PPTX doesn't match the HTML — text bleeding into the footer, italic words gone flat, hero slides not centered, sections cropped, tag styling lost. If the user only…