Deck Refresh Update numbers across the deck. The deck is the source of truth for formatting; you're only changing values. Environment check This skill works in both the PowerPoint add-in and chat. Identify which you're in before starting — the edit mechanism differs, the intent doesn't: - Add-in — the deck is open live; edit text runs, table cells, and chart data directly. - Chat — the deck is an uploaded file; edit it by regenerating the affected slides with the new values and writing the result back. Either way: smallest possible change, existing formatting stays intact. This is a four-phas…