# Safety Quiz Frontend Integration

## Purpose

Safety/QBS quiz results follow the frontend three-layer architecture.

```text
View -> Business Logic -> API/Data Access -> Backend
```

## Files

View layer:

- `frontend/src/components/frameworks/QBSSafety.tsx`
- `frontend/src/components/safety-quiz/`
- `frontend/src/components/frameworks/DirectorDashboard.tsx`
- `frontend/src/components/director-dashboard/DirectorQuizResultsPanel.tsx`
- `frontend/src/components/director-dashboard/DirectorRiskList.tsx`
- `frontend/src/components/safety-quiz/SafetyQuizContentEditorPanel.tsx`

Business logic layer:

- `frontend/src/business/safety-quiz/hooks.ts`
- `frontend/src/business/safety-quiz/mappers.ts`
- `frontend/src/business/safety-quiz/selectors.ts`
- `frontend/src/business/safety-quiz/types.ts`
- `frontend/src/business/director-dashboard/hooks.ts`
- `frontend/src/business/director-dashboard/selectors.ts`

API/data access layer:

- `frontend/src/shared/api/safetyQuizResults.ts`
- `frontend/src/shared/types/safetyQuiz.ts`

Constants:

- `frontend/src/shared/constants/safetyQuiz.ts`

## Behavior

- Quiz submission uses `POST /api/safety_quiz_results`.
- Staff completion and director dashboard rows load from `GET /api/safety_quiz_results`.
- QBS quiz content loads from `GET /api/public/content-catalog/safety-qbs-quiz`.
- Directors and superintendents can edit the QBS quiz content through the authenticated content catalog endpoint `PUT /api/content-catalog/safety-qbs-quiz`.
- Editable QBS quiz payloads are JSON-validated in the business layer before saving.
- Compliance views render empty and error states explicitly instead of substituting static staff rows.
- Result ownership is derived by the backend from the authenticated session.
- `QBSSafety.tsx` is a thin wrapper that calls `useSafetyQuizPage` and renders focused safety quiz view components.
- Quiz score, progress, result feedback, and compliance summary are derived in business selectors.
- Weekly focus and key reminders are backend content payload fields, not frontend constants.
- Safety quiz view components use shared `Button`, `StatePanel`, and `ModuleHeader` primitives.
- Director dashboard derives QBS completion metrics and risk rows in business selectors.

## Remaining Related Work

If compliance needs pending/overdue rows for all staff, add a backend summary endpoint that joins staff membership with submitted results. Do not recreate pending staff rows in frontend static data.