* chore: voeg recharts toe aan dependencies
Vereist door SprintStatusDonut component.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
* feat: SprintStatusDonut + getSprintStatusBreakdown helper
PieChart (donut) met TO_DO/IN_PROGRESS/DONE verdeling over alle active sprints.
REVIEW wordt samengevoegd in IN_PROGRESS. MD3 status-kleuren via CSS-variabelen.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
