- Evaluation list + detail with per-criterion scores and percentages
- Dashboard endpoint: single-call home screen (all children, today's
  sessions, totals, announcement bar, unread counts)
- Service requests: freeze/unfreeze/transfer/cancellation workflow
  with duplicate prevention and cancel-by-user
- Invoice detail + payment receipt endpoints for mobile viewing
- Fix: use correct column name `due_amount` (not `balance_due`) across
  all API controllers and PaymobService
- 48 total API endpoints
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>