This Claude Code skill automates the creation of detailed e-commerce business reviews from raw order transaction CSV data. It performs KPI decomposition, identifies trends across 30d, 90d, and 365d horizons, and generates a REVIEW.md document. The report includes an executive summary, multi-horizon dashboard, KPI trees with health signals (🔴/🟢), structured findings (what/why/what to do), and a prioritized action plan with deadlines. It's ideal for D2C owners, marketers, and analysts needing quick, insightful performance reports.