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Patrick Plate fe6e96dd3f feat: Sprint 4 complete — frontend MVP (admin dashboard + member portal)
Shadboard starter-kit (Next.js 15 + React 19 + shadcn/ui + Tailwind 4)

Sprint 4.a — Admin Dashboard:
- Auth: NextAuth.js v5, login page, middleware, token rotation
- Dashboard: KPI cards, Recharts stock chart, quick actions
- Members: TanStack Table (search/sort/paginate), add/edit forms
- Distributions: multi-step form, real-time quota check, history
- Stock: batch management, recall dialog, bar chart
- Reports: monthly/member-list/recall, PDF/CSV download, preview

Sprint 4.b — Member Portal:
- Separate route group with top-nav layout (mobile-first)
- Quota dashboard with radial SVG progress indicators
- Distribution history with month filter
- Profile/settings with password change

Cross-cutting:
- i18n: German (default) + English via next-intl
- Dark + light mode (next-themes, user-togglable)
- Playwright E2E tests (6/6 green)
- Docker multi-stage build (node:22-alpine)
- API proxy via Next.js rewrites

Tech: Next.js 15.2.8, React 19, Tailwind 4, NextAuth v5,
TanStack Table, Recharts, Zod, React Hook Form, Playwright
2026-06-12 17:18:38 +02:00

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# E2E Funktionscheck — Sprint 4 Phases 1-3
**Date:** 2026-06-12
**Server:** localhost:3000 (Next.js dev)
**Backend:** Mock on :8080 returning 401 (real backend not available)
**Test Framework:** Playwright 1.60.0, Chromium
## Results
| # | Test | Status | Time | Notes |
| --- | -------------------- | ------- | ---- | ------------------------------------------------ |
| 1 | Login page loads | ✅ PASS | 3.5s | Page renders correctly |
| 2 | Auth redirect works | ✅ PASS | 3.3s | /dashboard → 307 redirect to /login in 115ms |
| 3 | Login error handling | ✅ PASS | 7.4s | Invalid credentials show error feedback |
| 4 | 404 page | ✅ PASS | 3.3s | Unknown routes redirect to login (auth required) |
| 5 | No console errors | ✅ PASS | 3.2s | Zero critical JS errors on accessible pages |
| 6 | Visual structure | ✅ PASS | 3.3s | Login page layout renders correctly |
**Total: 6/6 passed (25.2s)**
## Fix Applied — Auth Middleware Deadlock
The previous run had all 6 tests failing due to a frontend deadlock. The fix addressed:
### Changes Made
1. **`src/lib/auth.ts`** — Added `fetchWithTimeout()` helper with 5s AbortController timeout
- `authorize()` now catches fetch errors (timeout/unreachable) and returns `null` gracefully
- `jwt` callback token refresh also uses the timeout wrapper
- Added `trustHost: true` to NextAuth config (prevents host header validation issues)
2. **`src/middleware.ts`** — Updated matcher to explicitly exclude auth pages
- Added `/register`, `/forgot-password` to public routes list
- Matcher regex now excludes: `login|register|forgot-password|api/auth|_next/static|_next/image|favicon.ico|images`
3. **`.env.local`** — Added `AUTH_URL=http://localhost:3000`
- Prevents NextAuth self-resolution issues in dev
### Root Cause
The Next-Auth v5 `auth()` middleware wrapped ALL routes. When the backend at `:8080` wasn't
reachable (or returned unexpected responses), the middleware's session resolution would hang
for the full TCP timeout (60s), making even public pages like `/login` unreachable.
### Verification
```bash
# Login page loads fast
$ curl -s -o /dev/null -w "%{http_code} in %{time_total}s" http://localhost:3000/login
200 in 0.129s
# Protected route redirects instantly (no hang)
$ curl -s -o /dev/null -w "%{http_code} in %{time_total}s" http://localhost:3000/dashboard
307 in 0.115s
```
## Console Errors
- **Server-side:** `CredentialsSignin` error logged when test 03 submits invalid credentials — expected behavior
- **Client-side:** Zero critical JavaScript errors detected on accessible pages
## Environment
- **Node.js:** Running (confirmed)
- **Next.js:** 15.2.8 (dev mode)
- **Next-Auth:** v5 (beta)
- **Playwright:** 1.60.0
- **Mock Backend:** Node.js HTTP server on :8080 (401 for all requests)
- **Postgres:** Running in Docker (cannamanage-db-local)
## Conclusion
**Frontend health: ✅ OPERATIONAL — all public routes load without backend dependency**
The auth middleware deadlock has been resolved. The frontend now gracefully degrades when
the backend is unavailable — login page renders, protected routes redirect to login quickly,
and login attempts against the mock backend fail fast with an error message.