Element: #199 Hour by day matrix (charts/heatmap) What it shows: A matrix heatmap of task counts by hour of day (24 columns) and weekday (7 rows). When to use: Spotting busy periods in a day-by-hour grid, like support load or traffic. Spec: - ` `${v} tasks`}` - `height="320px"` inside `` Tags: heatmap-chart, matrix, hours, weekdays, tooltip-formatter, card Needs: @codeatlasdev/ui@4.4.0 + echarts Components: Card, HeatmapChart Live demo: https://ui.codeatlas.com.br/docs/charts/heatmap#hour-by-day-matrix `${v} tasks`} height="320px" />