Migration Focus
Shift from backend HTML rendering to a case-centric frontend with API-driven review and reconciliation.
1. Keep FastAPI as the document and case backend.
2. Build `/cases`, `/cases/[id]`, and `/cases/[id]/review` in Next.js.
3. Use the case workspace as the only user-facing entry point.
Next Step
Initialize shadcn in `frontend/` and replace placeholders with real API-driven components.