Charts - add radar chart

Is this a new component or an extension?

New Component

Existing Component

No response

Describe the feature

We are looking for a Radar chart.

Apache ECharts already supports radar charts and since PF has adopted ECharts for newer chart types (Sankey in #11616, Line), this would be a natural addition.

https://echarts.apache.org/examples/en/index.html#chart-type-radar https://echarts.apache.org/en/option.html#series-radar

User Story

As a developer building data-driven dashboards with PatternFly, I want a Radar chart component that follows PatternFly's design system and theming, so that I can visualize and compare multi-dimensional data (e.g., 4-7 metrics across 2-3 items) in a consistent, accessible way without pulling in a separate charting library.

Visuals & Mockups

No response

Interaction States & Variations

ECharts radar chart supports these out of the box — hover tooltips, legend toggling, polygon/circle grid shapes, filled/stroke styles, multi-series overlay, etc. PF would just need to wrap it with PatternFly theming and skeleton/loading state consistent with the existing ECharts components (Sankey, Line).

Accessibility (A11y)

No response

Product & Target Release

No response

Contribution

• I am interested in contributing this feature.

• I have searched for similar existing requests.

Jira Issue: PF-3738

Empieza leyendo los componentes Sankey y Line existentes basados en ECharts en patternfly-react para comprender sus patrones de theming y de estado de carga. Usa la documentación enlazada de Apache ECharts sobre gráficos radar para definir el comportamiento del componente y, después, asegúrate de que el gráfico terminado siga el theming de PatternFly e incluya las variaciones de radar esperadas y un comportamiento accesible.