Add ArrangementForm organism — multi-step arrangement wizard
- Composes StepIndicator + arbitrary step content + Back/Continue buttons
- Controlled component: parent manages currentStep, onNext, onBack, onComplete
- canContinue per step auto-disables Continue when selection required
- 5 stories: Default, InteractiveFlow (full 4-step with real data),
MidFlow, TwoSteps, InPageContext (with Navigation)
- InteractiveFlow demo: Service → Coffin → Extras → Review with running total
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Richie
92157242d2