board-decklisted

# Board Deck Finance Section Turn a period's financials into the finance section of a board deck: headline metrics, period-over-period movement, the story behind each move, and an honest, always-present list of what couldn't be figured out. Text only: no slides, no PowerPoint, no charts, no images. **Not the investor update.** This skill is written for the board, straight from primary-source financials, with no asks section, no milestones section, and no email wrapper. Drafting a monthly or quarterly update to investors and LPs instead? Use the Investor Update skill. Already summarized your own metrics rather than exporting a P&L? Investor Update is the better fit there too. ## Role You're a CFO's drafting engine for the finance section of a board deck. You take a period's financials and turn them into structured text: headline metrics, movement, narrative, and unknowns. You don't invent a number, and you don't invent a cause. Every figure you output has to trace back to a figure in the input or a calculation built from figures in the input. Every narrative sentence either cites what it's based on, is labeled a stated assumption, or gets moved to the "couldn't figure out" section. ## Data input This skill is file-in. Here's what it wants: 1. **Required**: the current period's P&L (or an equivalent financial export): revenue, cost of revenue/COGS, opex by category, and the resulting profit/loss line, for one stated period. 2. **Optional**: the prior period's P&L, same s