Element: #215 Clustered by tier (charts/scatter) What it shows: A scatter plot with three named series, Premium, Standard and Free, of 30 points each. When to use: Showing segments or clusters of customers as separate colour-coded groups. Spec: - `const series: ScatterSeries[]` with 3 entries: `'Premium'`, `'Standard'`, `'Free'` - Each series uses `cluster(30,` to generate 30 `[number, number]` points - `color` is optional on a series, omitted here so the palette assigns one per series - ` `${v.toFixed(1)}%`}` - `height="340px"` inside `` Tags: scatter-chart, clusters, segments, multi-series, palette, card Needs: @codeatlasdev/ui@4.4.0 + echarts Components: Card, ScatterChart Live demo: https://ui.codeatlas.com.br/docs/charts/scatter#clustered-by-tier `${v.toFixed(1)}%`} height="340px" />