cascivo charts — 18 types, CVD-safe, keyboard-first
18 chart types built from scratch in @cascivo/charts: line, area, bar, pie, scatter, bubble, combo, radar, heatmap, treemap, histogram, boxplot, sparkline, KPI, meter, bullet, radial-bar and funnel. Annotations, value labels, percent stacking, and click-to-drill — keyboard-navigable, theme-aware, and CVD-safe with zero runtime dependencies.