PPTX Deck Context Prepare the deck before coordinates or PPTX objects are authored. This skill owns the business narrative, source lineage, and design lock. Decision sequence 1. Confirm audience, decision, slide count, language, sources, and brand requirements. 2. Use the user-selected narrative framework. If none is specified, offer , , , , , , , or ; do not choose silently. 3. Assign stable source IDs and plan a for every metric, quotation, chart value, and factual claim. 4. Choose a documented design direction. Prefer a user brand guide, then read-only reference-deck evidence, then a reusa…