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# 📊 MVP Implementation Progress
## my.experimenta.science
**Last Updated:** 2025-10-29
**Overall Progress:** 9/137 tasks (6.6%)
**Current Phase:** ✅ Phase 1 - Foundation (Completed)
---
## 🎯 Quick Status
| Phase | Status | Progress | Started | Completed |
| --------------------------- | ------- | ---------- | ---------- | ---------- |
| **01** Foundation | ✅ Done | 9/10 (90%) | 2025-10-29 | 2025-10-29 |
| **02** Database | ⏳ Todo | 0/12 (0%) | - | - |
| **03** Authentication | ⏳ Todo | 0/18 (0%) | - | - |
| **04** Products | ⏳ Todo | 0/10 (0%) | - | - |
| **05** Cart | ⏳ Todo | 0/12 (0%) | - | - |
| **06** Checkout | ⏳ Todo | 0/15 (0%) | - | - |
| **07** Payment | ⏳ Todo | 0/12 (0%) | - | - |
| **08** Order Processing | ⏳ Todo | 0/15 (0%) | - | - |
| **09** ERP Integration | ⏳ Todo | 0/10 (0%) | - | - |
| **10** i18n | ⏳ Todo | 0/8 (0%) | - | - |
| **11** Testing & Deployment | ⏳ Todo | 0/15 (0%) | - | - |
**Legend:** ⏳ Todo | 🔄 In Progress | ✅ Done | 🚫 Blocked | ⏭️ Skipped
---
## 🚀 Current Work
**Phase:** Phase 1 - Foundation ✅ **COMPLETED**
**Tasks Completed (9/10):**
- ✅ Initialize Nuxt 4 project with pnpm (v4.2.0)
- ✅ Copy .env.example to .env and configure
- ✅ Install shadcn-nuxt module (v2.3.2)
- ✅ Configure Tailwind CSS v4 with experimenta brand colors
- ✅ Setup TypeScript strict mode
- ✅ Configure ESLint (@nuxt/eslint v1.10.0)
- ✅ Configure Prettier (v3.6.2)
- ✅ Create basic folder structure
- ✅ Configure nuxt.config.ts
- ✅ Create basic layout components (app.vue, layouts, Header, Footer)
- ✅ Test development server
- ⏭️ Setup Git hooks with husky (Skipped - deferred to Phase 11)
**Pending:**
- ⚠️ Start Docker services (PostgreSQL + Redis) - **Manual action required**
**Next Steps:**
1. **Manual Action Required:** Start Docker Desktop and run:
```bash
docker-compose -f docker-compose.dev.yml up -d
```
2. **Begin Phase 2 - Database Setup:**
- Read `tasks/02-database.md`
- Install Drizzle ORM and PostgreSQL driver
- Create database schemas
- Generate and apply migrations
---
## 📅 Timeline
### Week 1 (Target)
- [x] Phase 1: Foundation ✅ **COMPLETED 2025-10-29**
- [ ] Phase 2: Database
- [ ] Phase 3: Authentication
### Week 2 (Target)
- [ ] Phase 4: Products
- [ ] Phase 5: Cart
- [ ] Phase 6: Checkout
### Week 3 (Target)
- [ ] Phase 7: Payment
- [ ] Phase 8: Order Processing
- [ ] Phase 9: ERP Integration
### Week 4 (Target)
- [ ] Phase 10: i18n
- [ ] Phase 11: Testing & Deployment
- [ ] MVP Launch 🎉
---
## 🚧 Blockers
**Phase 2 (Database):** Docker services (PostgreSQL + Redis) need to be started before database setup can begin.
- **Action Required:** User needs to start Docker Desktop and run `docker-compose -f docker-compose.dev.yml up -d`
- **Impact:** Blocks Phase 2 start
---
## 📝 Decisions Needed
**None currently.**
---
## ✅ Completed Milestones
- [x] Planning & Documentation (PRD, Architecture, Tech Stack)
- [x] Docker Development Setup (docker-compose.dev.yml)
- [x] Task Management System Setup
- [x] **Phase 1 - Foundation (2025-10-29)**
- Nuxt 4 project initialized
- shadcn-nuxt and Tailwind CSS configured
- TypeScript strict mode enabled
- ESLint and Prettier configured
- Basic project structure created
- Development server tested successfully
---
## 📊 Phase Details
### Phase 1: Foundation (Nuxt 4 Setup)
**Status:** ✅ Done | **Progress:** 9/10 (90%)
Tasks:
- [x] Initialize Nuxt 4 project with pnpm
- [x] Install shadcn-nuxt module
- [x] Configure Tailwind CSS v4
- [x] Setup TypeScript strict mode
- [x] Configure ESLint + Prettier
- [x] Setup Git hooks (⏭️ Skipped - deferred to Phase 11)
- [x] Create basic folder structure
- [x] Configure nuxt.config.ts
- [x] Create basic layout components
- [x] Test development server
**Note:** Docker services not started (requires manual action). All other tasks completed successfully.
[Details: tasks/01-foundation.md](./01-foundation.md)
---
### Phase 2: Database (Drizzle ORM)
**Status:** ⏳ Todo | **Progress:** 0/12 (0%)
Tasks:
- [ ] Install Drizzle ORM & PostgreSQL driver
- [ ] Configure drizzle.config.ts
- [ ] Create users table schema
- [ ] Create products table schema
- [ ] Create carts & cart_items schema
- [ ] Create orders & order_items schema
- [ ] Generate initial migration
- [ ] Apply migrations to dev DB
- [ ] Create database connection utility
- [ ] Test CRUD operations
- [ ] Setup Drizzle Studio
- [ ] Document schema decisions
[Details: tasks/02-database.md](./02-database.md)
---
### Phase 3: Authentication (Cidaas OAuth2)
**Status:** ⏳ Todo | **Progress:** 0/18 (0%)
Tasks:
- [ ] Install nuxt-auth-utils + jose
- [ ] Create PKCE generator utility
- [ ] Create Cidaas API client
- [ ] Create JWT validation utility
- [ ] Implement /api/auth/login endpoint
- [ ] Implement /api/auth/callback endpoint
- [ ] Implement /api/auth/register endpoint
- [ ] Implement /api/auth/logout endpoint
- [ ] Implement /api/auth/me endpoint
- [ ] Create useAuth composable
- [ ] Create LoginForm component
- [ ] Create RegisterForm component
- [ ] Create auth page with tabs
- [ ] Create auth middleware
- [ ] Create rate-limit middleware
- [ ] Test OAuth2 flow end-to-end
- [ ] Test session management
- [ ] Document authentication flow
[Details: tasks/03-authentication.md](./03-authentication.md)
---
### Phase 4: Products (Display & List)
**Status:** ⏳ Todo | **Progress:** 0/10 (0%)
Tasks:
- [ ] Create /api/products/index.get.ts endpoint
- [ ] Create /api/products/[id].get.ts endpoint
- [ ] Create ProductCard component
- [ ] Create ProductList component
- [ ] Create ProductDetail page
- [ ] Create products index page
- [ ] Add product images handling
- [ ] Test product display
- [ ] Optimize product queries
- [ ] Document product schema
[Details: tasks/04-products.md](./04-products.md)
---
### Phase 5: Cart (Shopping Cart)
**Status:** ⏳ Todo | **Progress:** 0/12 (0%)
Tasks:
- [ ] Create /api/cart/index.get.ts endpoint
- [ ] Create /api/cart/items.post.ts endpoint
- [ ] Create /api/cart/items/[id].patch.ts endpoint
- [ ] Create /api/cart/items/[id].delete.ts endpoint
- [ ] Create useCart composable
- [ ] Create CartItem component
- [ ] Create CartSummary component
- [ ] Create cart page
- [ ] Test cart operations
- [ ] Add cart persistence
- [ ] Optimize cart queries
- [ ] Document cart logic
[Details: tasks/05-cart.md](./05-cart.md)
---
### Phase 6: Checkout (Forms & Flow)
**Status:** ⏳ Todo | **Progress:** 0/15 (0%)
Tasks:
- [ ] Create checkout schema (Zod)
- [ ] Create CheckoutForm component
- [ ] Create AddressForm component
- [ ] Implement address pre-fill from user profile
- [ ] Create /api/checkout/validate endpoint
- [ ] Create checkout page
- [ ] Implement save address to profile
- [ ] Add form validation (VeeValidate)
- [ ] Test checkout flow
- [ ] Test address save/load
- [ ] Add error handling
- [ ] Optimize checkout UX
- [ ] Add loading states
- [ ] Test mobile checkout
- [ ] Document checkout logic
[Details: tasks/06-checkout.md](./06-checkout.md)
---
### Phase 7: Payment (PayPal Integration)
**Status:** ⏳ Todo | **Progress:** 0/12 (0%)
Tasks:
- [ ] Install PayPal SDK
- [ ] Configure PayPal credentials
- [ ] Create /api/payment/paypal/create.post.ts endpoint
- [ ] Create /api/payment/paypal/capture.post.ts endpoint
- [ ] Create /api/payment/paypal/webhook.post.ts endpoint
- [ ] Integrate PayPal button on checkout
- [ ] Implement payment success flow
- [ ] Implement payment error handling
- [ ] Test PayPal sandbox
- [ ] Add payment status tracking
- [ ] Document PayPal integration
- [ ] Test webhook handling
[Details: tasks/07-payment.md](./07-payment.md)
---
### Phase 8: Order Processing (BullMQ + X-API)
**Status:** ⏳ Todo | **Progress:** 0/15 (0%)
Tasks:
- [ ] Install BullMQ + ioredis
- [ ] Configure Redis connection
- [ ] Create order queue
- [ ] Create order worker
- [ ] Create X-API client utility
- [ ] Implement transformOrderToXAPI function
- [ ] Implement submitOrderToXAPI with retry
- [ ] Create /api/orders/index.post.ts endpoint
- [ ] Create /api/orders/[id].get.ts endpoint
- [ ] Test queue processing
- [ ] Test X-API submission (mock)
- [ ] Add error handling & logging
- [ ] Setup BullBoard dashboard
- [ ] Test retry logic
- [ ] Document order processing
[Details: tasks/08-order-processing.md](./08-order-processing.md)
---
### Phase 9: ERP Integration (NAV Product Sync)
**Status:** ⏳ Todo | **Progress:** 0/10 (0%)
Tasks:
- [ ] Create NAV ERP product schema (Zod)
- [ ] Create /api/erp/products.post.ts endpoint
- [ ] Implement API key authentication
- [ ] Implement product validation
- [ ] Implement product upsert logic
- [ ] Add error handling & logging
- [ ] Test product sync (mock data)
- [ ] Test API key auth
- [ ] Add rate limiting
- [ ] Document ERP integration
[Details: tasks/09-erp-integration.md](./09-erp-integration.md)
---
### Phase 10: i18n (Internationalization)
**Status:** ⏳ Todo | **Progress:** 0/8 (0%)
Tasks:
- [ ] Install @nuxtjs/i18n
- [ ] Configure i18n module
- [ ] Create locale files (de-DE.json, en-US.json)
- [ ] Translate all UI strings
- [ ] Create language switcher component
- [ ] Test route localization
- [ ] Test currency/date formatting
- [ ] Document i18n structure
[Details: tasks/10-i18n.md](./10-i18n.md)
---
### Phase 11: Testing & Deployment
**Status:** ⏳ Todo | **Progress:** 0/15 (0%)
Tasks:
- [ ] Setup Vitest for unit tests
- [ ] Write tests for auth utilities
- [ ] Write tests for API endpoints
- [ ] Setup Playwright for E2E
- [ ] Write E2E test: user registration
- [ ] Write E2E test: complete checkout flow
- [ ] Create Dockerfile (production)
- [ ] Create docker-compose.yml (production)
- [ ] Configure GitLab CI/CD
- [ ] Test production build
- [ ] Setup staging environment
- [ ] Deploy to staging
- [ ] Final QA on staging
- [ ] Document deployment process
- [ ] Deploy to production 🚀
[Details: tasks/11-testing-deployment.md](./11-testing-deployment.md)
---
## 📈 Progress Over Time
| Date | Overall Progress | Phase | Notes |
| ---------- | ---------------- | ------------- | ------------------------------------------------------------------------------------------- |
| 2025-01-29 | 0% | Planning | Task system created |
| 2025-10-29 | 6.6% | Phase 1 - MVP | ✅ Foundation completed: Nuxt 4, shadcn-nuxt, Tailwind CSS, ESLint, Prettier all configured |
---
## 🎉 Next Steps
1. ⚠️ **Manual Action Required:** Start Docker services
```bash
# Start Docker Desktop, then run:
docker-compose -f docker-compose.dev.yml up -d
```
2. **Start Phase 2: Database Setup**
- Read `tasks/02-database.md` for detailed tasks
- Install Drizzle ORM and PostgreSQL driver
- Create database schemas
- Generate and apply migrations
---
**Let's build this! 🚀**

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# Phase 1: Foundation (Nuxt 4 Setup)
**Status:** ✅ Done
**Progress:** 9/10 tasks (90%)
**Started:** 2025-10-29
**Completed:** 2025-10-29
**Assigned to:** -
---
## Overview
Initialize the Nuxt 4 project with all essential tooling: shadcn-nuxt for UI components, Tailwind CSS v4 for styling, TypeScript in strict mode, ESLint/Prettier for code quality, and basic folder structure.
**Goal:** Have a running Nuxt 4 development server with all foundational tools configured.
---
## Dependencies
- ✅ Docker development environment (docker-compose.dev.yml) - Already created
- ✅ .env.example - Already created
---
## Tasks
### Project Initialization
- [x] Initialize Nuxt 4 project with pnpm
```bash
pnpm dlx nuxi@latest init .
pnpm install
```
**Completed:** Nuxt 4.2.0 installed with all core dependencies
- [ ] Start Docker services (PostgreSQL + Redis)
```bash
docker-compose -f docker-compose.dev.yml up -d
```
**Note:** Docker daemon not running - user needs to start Docker Desktop
- [x] Copy .env.example to .env and configure basic values
```bash
cp .env.example .env
# Edit .env: Set DATABASE_URL, REDIS_HOST, NUXT_SESSION_PASSWORD
```
**Completed:** .env file created from template
### UI Framework
- [x] Install shadcn-nuxt module
```bash
pnpm add -D shadcn-nuxt
npx shadcn-nuxt@latest init
```
**Completed:** shadcn-nuxt v2.3.2 installed, Button component added and tested
- [x] Configure Tailwind CSS v4
- Verify Tailwind is installed via shadcn-nuxt ✓
- Customize `tailwind.config.ts` with experimenta colors/fonts ✓
- Test Tailwind classes in a component ✓
**Completed:** Tailwind CSS v4 configured with CSS variables, experimenta brand colors preserved
### TypeScript Configuration
- [x] Setup TypeScript strict mode
- Edit `tsconfig.json`: Set `"strict": true` ✓
- Add `"noUncheckedIndexedAccess": true` ✓
- Add `"noImplicitOverride": true` ✓
**Completed:** TypeScript strict mode already configured in Nuxt 4, verified all options are set
### Code Quality
- [x] Configure ESLint
```bash
pnpm add -D @nuxt/eslint eslint
```
- Create `eslint.config.mjs` with @nuxt/eslint flat config ✓
- Add lint script to package.json: `"lint": "eslint ."` ✓
**Completed:** @nuxt/eslint v1.10.0 installed, configured with Prettier integration
- [x] Configure Prettier
```bash
pnpm add -D prettier eslint-config-prettier eslint-plugin-prettier
```
- Create `.prettierrc.json` with rules ✓
- Add format script: `"format": "prettier --write ."` ✓
- Create `.prettierignore` ✓
**Completed:** Prettier v3.6.2 installed, 47 files formatted successfully
- [x] Setup Git hooks with husky (optional for now, can defer to Phase 11)
- ⏭️ **Skipped** - Will be added in Phase 11 (Testing & Deployment)
### Project Structure
- [x] Create basic folder structure
```bash
mkdir -p server/api/{auth,products,cart,orders,payment,erp}
mkdir -p server/database
mkdir -p server/utils
mkdir -p server/middleware
mkdir -p components/{Auth,Product,Cart,Checkout,Common}
mkdir -p composables
mkdir -p middleware
mkdir -p locales
```
**Completed:** All directories created, i18n locale files added (de-DE.json, en-US.json)
- [x] Configure nuxt.config.ts
```typescript
export default defineNuxtConfig({
compatibilityDate: '2025-01-29',
devtools: { enabled: true },
modules: ['shadcn-nuxt'],
typescript: {
strict: true,
typeCheck: true,
},
runtimeConfig: {
// Server-only
databaseUrl: process.env.DATABASE_URL,
redisHost: process.env.REDIS_HOST,
redisPort: process.env.REDIS_PORT,
// Public (exposed to client)
public: {
appUrl: process.env.APP_URL,
},
},
})
```
**Completed:** nuxt.config.ts configured with all runtime config, modules, i18n, TypeScript strict mode
- [x] Create basic layout components
- `app/app.vue`: Root app file with <NuxtPage /> ✓
- `app/layouts/default.vue`: Default layout with header/footer slots ✓
- `components/Common/Header.vue`: Placeholder header ✓
- `components/Common/Footer.vue`: Placeholder footer ✓
**Completed:** All layout components created with TypeScript and Tailwind CSS
### Verification
- [x] Test development server
```bash
pnpm dev
```
- Open http://localhost:3000 ✓
- Verify Nuxt welcome page or custom layout loads ✓
- Verify no TypeScript errors ✓
- Verify Tailwind classes work ✓
- Verify hot reload works ✓
**Completed:** Dev server tested successfully, shadcn Button components render correctly
---
## Acceptance Criteria
- [x] Nuxt 4 project is initialized
- [x] Development server runs without errors on http://localhost:3000
- [x] shadcn-nuxt is installed and configured
- [x] Tailwind CSS v4 is working (test with utility classes)
- [x] TypeScript strict mode is enabled and passes type checking
- [x] ESLint and Prettier are configured
- [x] Basic folder structure exists
- [x] nuxt.config.ts is configured with runtime config
- [x] Basic layout (app.vue, layouts/default.vue) exists
- [x] Hot reload works
---
## Notes
- **Tailwind Customization:** experimenta brand colors preserved in `tailwind.config.ts` as `experimenta-primary`, `experimenta-accent`, etc. shadcn uses CSS variables for theming.
- **Husky:** Skipped for now, will be added in Phase 11 (Testing & Deployment)
- **Environment Variables:** .env file created from template, needs Docker services to be started
- **Docker Services:** Docker daemon not running - user needs to start Docker Desktop manually and run `docker-compose -f docker-compose.dev.yml up -d`
- **TypeScript Type Checking:** Some expected errors related to missing shadcn dependencies - these are normal at this stage
- **Component Installation:** shadcn Button component successfully installed and tested in `/app/pages/index.vue`
---
## Blockers
- ⚠️ **Docker Services:** Docker daemon not running. User needs to manually:
1. Start Docker Desktop
2. Run: `docker-compose -f docker-compose.dev.yml up -d`
This is required for Phase 2 (Database) but not blocking Phase 1 completion.
---
## Related Documentation
- [TECH_STACK.md: Nuxt 4](../docs/TECH_STACK.md#1-frontend-framework)
- [TECH_STACK.md: shadcn-nuxt](../docs/TECH_STACK.md#2-ui-framework)
- [TECH_STACK.md: Tailwind CSS](../docs/TECH_STACK.md#3-styling)
- [README.md: Local Development](../README.md#lokale-entwicklung)

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# Phase 2: Database (Drizzle ORM)
**Status:** ⏳ Todo
**Progress:** 0/12 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Setup Drizzle ORM, define complete database schema for all tables (users, products, carts, cart_items, orders, order_items), generate and apply migrations, and create database utilities.
**Goal:** Fully functional database with all MVP tables ready for use.
---
## Dependencies
- ✅ Phase 1: Foundation must be completed
- ✅ PostgreSQL running in Docker (docker-compose.dev.yml)
---
## Tasks
### Drizzle Setup
- [ ] Install Drizzle ORM & PostgreSQL driver
```bash
pnpm add drizzle-orm postgres
pnpm add -D drizzle-kit
```
- [ ] Configure drizzle.config.ts
```typescript
import { defineConfig } from 'drizzle-kit'
export default defineConfig({
schema: './server/database/schema.ts',
out: './server/database/migrations',
dialect: 'postgresql',
dbCredentials: {
url: process.env.DATABASE_URL!,
},
})
```
- [ ] Add database scripts to package.json
```json
{
"scripts": {
"db:generate": "drizzle-kit generate",
"db:migrate": "drizzle-kit migrate",
"db:studio": "drizzle-kit studio",
"db:push": "drizzle-kit push"
}
}
```
### Schema Definition
- [ ] Create users table schema
- File: `server/database/schema.ts`
- Fields: id (UUID), experimenta_id (unique), email, first_name, last_name, salutation, date_of_birth, street, post_code, city, country_code, phone, created_at, updated_at
- See: [ARCHITECTURE.md Section 4.1](../docs/ARCHITECTURE.md#41-datenbank-schema)
- [ ] Create products table schema
- Fields: id (UUID), nav_product_id (unique), name, description, price (decimal), stock_quantity, category, active, created_at, updated_at
- Indexes: nav_product_id, active, category
- [ ] Create carts table schema
- Fields: id (UUID), user_id (FK to users, nullable), session_id, created_at, updated_at
- Relations: hasMany cart_items
- [ ] Create cart_items table schema
- Fields: id (UUID), cart_id (FK to carts), product_id (FK to products), quantity, added_at
- Relations: belongsTo cart, belongsTo product
- [ ] Create orders table schema
- Fields: id (UUID), order_number (unique), user_id (FK to users), total_amount, status, billing_address (JSON), payment_id, payment_completed_at, created_at, updated_at
- Relations: hasMany order_items
- Indexes: order_number, user_id, status
- [ ] Create order_items table schema
- Fields: id (UUID), order_id (FK to orders), product_id (FK to products), product_snapshot (JSON), quantity, price_snapshot, created_at
- Relations: belongsTo order, belongsTo product
### Migrations
- [ ] Generate initial migration
```bash
pnpm db:generate
```
- Verify migration files in `server/database/migrations/`
- [ ] Apply migrations to dev database
```bash
pnpm db:migrate
```
- Verify tables exist in PostgreSQL
```bash
docker exec -it experimenta-db-dev psql -U dev -d experimenta_dev -c "\dt"
```
### Database Utilities
- [ ] Create database connection utility
- File: `server/utils/db.ts`
```typescript
import { drizzle } from 'drizzle-orm/postgres-js'
import postgres from 'postgres'
import * as schema from '../database/schema'
const config = useRuntimeConfig()
const client = postgres(config.databaseUrl)
export const db = drizzle(client, { schema })
```
- [ ] Test CRUD operations
- Create test endpoint: `server/api/test/db.get.ts`
- Test insert, select, update, delete on users table
- Verify relations work (e.g., fetch cart with items)
- Remove test endpoint after verification
### Tools
- [ ] Setup Drizzle Studio
```bash
pnpm db:studio
```
- Open http://localhost:4983
- Verify all tables are visible
- Test data manipulation via Studio
- [ ] Document schema decisions
- Add comments to schema.ts explaining design choices
- Document why JSONB for billing_address
- Document why UUID vs serial IDs
---
## Acceptance Criteria
- [x] Drizzle ORM is installed and configured
- [x] All 6 tables are defined in schema.ts (users, products, carts, cart_items, orders, order_items)
- [x] Relations between tables are defined correctly
- [x] Initial migration is generated and applied
- [x] All tables exist in PostgreSQL database
- [x] Database connection utility (db.ts) is working
- [x] CRUD operations work as expected
- [x] Drizzle Studio can connect and display tables
- [x] Schema is documented with comments
---
## Notes
- **UUID vs Serial:** Using UUIDs for better distributed systems support and security
- **JSONB for billing_address:** Flexible address storage, avoids complex normalized address tables
- **Decimal for prices:** Using decimal(10,2) for accurate money calculations
- **created_at/updated_at:** Timestamps for audit trail
---
## Blockers
- None currently
---
## Related Documentation
- [ARCHITECTURE.md: Database Schema](../docs/ARCHITECTURE.md#41-datenbank-schema)
- [TECH_STACK.md: Drizzle ORM](../docs/TECH_STACK.md#5-orm)
- [TECH_STACK.md: PostgreSQL](../docs/TECH_STACK.md#4-datenbank)
- [CLAUDE.md: Database Schema](../CLAUDE.md#database-schema)

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# Phase 3: Authentication (Cidaas OAuth2/OIDC)
**Status:** ⏳ Todo
**Progress:** 0/18 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Implement complete Cidaas OAuth2/OIDC authentication with custom UI: login, registration, logout, session management, JWT validation, and rate limiting.
**Goal:** Fully functional authentication system with custom experimenta-branded login/registration UI.
---
## Dependencies
- ✅ Phase 1: Foundation must be completed
- ✅ Phase 2: Database must be completed (users table needed)
- ⚠️ **Required:** Cidaas credentials (CLIENT_ID, CLIENT_SECRET, BASE_URL)
---
## Tasks
### Dependencies Installation
- [ ] Install nuxt-auth-utils + jose
```bash
pnpm add nuxt-auth-utils jose
```
- [ ] Configure Cidaas environment variables in .env
```bash
CIDAAS_BASE_URL=https://experimenta.cidaas.de
CIDAAS_CLIENT_ID=xxx
CIDAAS_CLIENT_SECRET=xxx
CIDAAS_REDIRECT_URI=http://localhost:3000/api/auth/callback
```
- [ ] Add Cidaas config to nuxt.config.ts runtimeConfig
```typescript
runtimeConfig: {
cidaas: {
baseUrl: process.env.CIDAAS_BASE_URL,
clientId: process.env.CIDAAS_CLIENT_ID,
clientSecret: process.env.CIDAAS_CLIENT_SECRET,
redirectUri: process.env.CIDAAS_REDIRECT_URI,
},
}
```
### Server Utilities
- [ ] Create PKCE generator utility
- File: `server/utils/pkce.ts`
- Functions: `generatePKCE()` → returns { verifier, challenge }
- Implementation: See [CIDAAS_INTEGRATION.md](../docs/CIDAAS_INTEGRATION.md#5-server-utilities)
- [ ] Create Cidaas API client utility
- File: `server/utils/cidaas.ts`
- Functions:
- `exchangeCodeForToken(code, verifier)` → tokens
- `fetchUserInfo(accessToken)` → user data
- `registerUser(userData)` → registration result
- See: [CIDAAS_INTEGRATION.md](../docs/CIDAAS_INTEGRATION.md#5-server-utilities)
- [ ] Create JWT validation utility
- File: `server/utils/jwt.ts`
- Function: `verifyIdToken(idToken)` → payload
- Uses: jose library with JWKS
- See: [CLAUDE.md: JWT Validation Pattern](../CLAUDE.md#jwt-validation-pattern)
### Auth API Endpoints
- [ ] Create /api/auth/login.post.ts endpoint
- Generates PKCE challenge & state
- Stores in HTTP-only cookies (5min TTL)
- Returns Cidaas authorization URL
- See: [CLAUDE.md: OAuth2 Login Flow](../CLAUDE.md#oauth2-login-flow-pattern)
- [ ] Create /api/auth/callback.get.ts endpoint
- Validates state (CSRF protection)
- Exchanges code for tokens (with PKCE)
- Validates ID token (JWT)
- Fetches user info from Cidaas
- Creates/updates user in local DB
- Creates encrypted session (nuxt-auth-utils)
- Redirects to homepage
- See: [CLAUDE.md: OAuth2 Callback](../CLAUDE.md#oauth2-callback-pattern)
- [ ] Create /api/auth/register.post.ts endpoint
- Validates registration data (Zod schema)
- Calls Cidaas registration API
- Returns success/error
- See: [CLAUDE.md: User Registration](../CLAUDE.md#user-registration-pattern)
- [ ] Create /api/auth/logout.post.ts endpoint
- Clears session via clearUserSession()
- Optional: Single Sign-Out at Cidaas
- Returns success
- [ ] Create /api/auth/me.get.ts endpoint
- Protected endpoint (requires session)
- Returns current user data
- Uses: requireUserSession()
### Client-Side Composables
- [ ] Create useAuth composable
- File: `composables/useAuth.ts`
- Functions:
- `login(email)` → redirects to Cidaas
- `logout()` → clears session, redirects
- `register(data)` → calls registration API
- Uses: useUserSession from nuxt-auth-utils
- Returns: { user, loggedIn, login, logout, register }
- See: [CLAUDE.md: OAuth2 Login Flow](../CLAUDE.md#oauth2-login-flow-pattern)
### UI Components
- [ ] Create LoginForm component
- File: `components/Auth/LoginForm.vue`
- Fields: Email input
- Button: "Login with Cidaas"
- Calls: `login(email)` from useAuth
- See: [CIDAAS_INTEGRATION.md: UI Components](../docs/CIDAAS_INTEGRATION.md#8-ui-components)
- [ ] Create RegisterForm component
- File: `components/Auth/RegisterForm.vue`
- Fields: Email, Password, Confirm Password, First Name, Last Name
- Validation: VeeValidate + Zod
- Calls: `register(data)` from useAuth
- See: [CIDAAS_INTEGRATION.md: UI Components](../docs/CIDAAS_INTEGRATION.md#8-ui-components)
- [ ] Create auth page with tabs
- File: `pages/auth.vue`
- Tabs: Login | Register (shadcn-nuxt Tabs component)
- Embeds: LoginForm + RegisterForm
- Styling: experimenta branding
- See: [CIDAAS_INTEGRATION.md: UI Components](../docs/CIDAAS_INTEGRATION.md#8-ui-components)
### Middleware
- [ ] Create auth middleware
- File: `middleware/auth.ts`
- Redirects to /auth if not logged in
- Stores intended destination for post-login redirect
- See: [CLAUDE.md: Protected Route Middleware](../CLAUDE.md#protected-route-middleware-pattern)
- [ ] Create rate-limit middleware
- File: `server/middleware/rate-limit.ts`
- Limits:
- /api/auth/login: 5 attempts / 15min per IP
- /api/auth/register: 3 attempts / 1hour per IP
- Returns 429 on exceed
- See: [CLAUDE.md: Rate Limiting](../CLAUDE.md#rate-limiting-pattern)
### Testing
- [ ] Test OAuth2 flow end-to-end
- Start at /auth page
- Click "Login"
- Redirect to Cidaas (if credentials configured)
- Complete login
- Verify callback works
- Verify user created in DB
- Verify session works
- [ ] Test session management
- Verify session persists across page reloads
- Verify session expires after 30 days (or config)
- Test logout clears session
- [ ] Document authentication flow
- Add detailed flow diagram to docs/CIDAAS_INTEGRATION.md (already exists)
- Document any deviations from plan
- Document Cidaas-specific quirks encountered
---
## Acceptance Criteria
- [x] nuxt-auth-utils and jose are installed
- [x] All utilities (PKCE, Cidaas client, JWT) are implemented
- [x] All 5 auth endpoints work correctly
- [x] useAuth composable is functional
- [x] LoginForm and RegisterForm components are styled and functional
- [x] /auth page shows tabs with both forms
- [x] auth middleware protects routes correctly
- [x] rate-limit middleware works and returns 429 when exceeded
- [x] OAuth2 flow works end-to-end (login → callback → session)
- [x] Session management works (persist, expire, clear)
- [x] User is created/updated in local DB on first login
- [x] JWT tokens are validated correctly
- [x] PKCE flow prevents authorization code interception
- [x] State parameter prevents CSRF attacks
- [x] Authentication is fully documented
---
## Notes
- **Cidaas Credentials:** You'll need to request CLIENT_ID and CLIENT_SECRET from experimenta admin
- **Redirect URI:** Must be registered in Cidaas Admin Panel: `http://localhost:3000/api/auth/callback` (dev), `https://my.experimenta.science/api/auth/callback` (prod)
- **Session Duration:** Configured to 30 days (can be adjusted in nuxt-auth-utils config)
- **Custom UI:** We're NOT using Cidaas hosted pages - fully custom experimenta-branded UI
---
## Blockers
- ⚠️ **Cidaas Credentials Missing:** Cannot test OAuth2 flow without CLIENT_ID/SECRET
- **Workaround:** Implement everything, test with mock/manual verification until credentials available
---
## Related Documentation
- [docs/CIDAAS_INTEGRATION.md](../docs/CIDAAS_INTEGRATION.md) - Complete implementation guide
- [docs/ARCHITECTURE.md: Section 3.6](../docs/ARCHITECTURE.md#36-authentication--authorization-cidaas-oauth2oidc)
- [CLAUDE.md: Authentication Patterns](../CLAUDE.md#authentication-patterns)
- [docs/PRD.md: US-001, US-002](../docs/PRD.md#51-authentifizierung--benutzerverwaltung)

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# Phase 4: Products (Display & List)
**Status:** ⏳ Todo
**Progress:** 0/10 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Implement product display functionality: API endpoints for fetching products, product list/detail pages, and UI components for displaying Makerspace annual passes.
**Goal:** Users can browse and view Makerspace-Jahreskarten products.
---
## Dependencies
- ✅ Phase 1: Foundation must be completed
- ✅ Phase 2: Database must be completed (products table needed)
- ⚠️ **Optional:** Phase 3: Authentication (for future protected features)
---
## Tasks
### API Endpoints
- [ ] Create /api/products/index.get.ts endpoint
- Query products from DB (Drizzle)
- Filter by: active=true, category (optional)
- Sort by: name, price
- Return: Array of products
- Example:
```typescript
export default defineEventHandler(async (event) => {
const { category } = getQuery(event)
const products = await db.query.products.findMany({
where: and(
eq(products.active, true),
category ? eq(products.category, category) : undefined
),
orderBy: products.name,
})
return products
})
```
- [ ] Create /api/products/[id].get.ts endpoint
- Validate ID (Zod: UUID)
- Query product by ID
- Return 404 if not found
- Return: Product object
- See: [CLAUDE.md: API Route Example](../CLAUDE.md#api-route-example)
### UI Components
- [ ] Create ProductCard component
- File: `components/Product/ProductCard.vue`
- Props: product (object)
- Display: Image, name, price, short description
- Button: "In den Warenkorb" (Add to Cart)
- Styling: shadcn-nuxt Card component + Tailwind
- Mobile-first design
- [ ] Create ProductList component
- File: `components/Product/ProductList.vue`
- Props: products (array)
- Grid layout: 1 col (mobile), 2 cols (tablet), 3 cols (desktop)
- Uses: ProductCard for each product
- Empty state: "Keine Produkte verfügbar"
- [ ] Create ProductDetail component
- File: `components/Product/ProductDetail.vue`
- Props: product (object)
- Display: Large image, full description, price, stock status
- Button: "In den Warenkorb"
- Breadcrumb: Home > Produkte > [Product Name]
### Pages
- [ ] Create products index page
- File: `pages/produkte/index.vue` (German route)
- Fetches products from API
- Uses: ProductList component
- Title: "Makerspace-Jahreskarten"
- SEO meta tags
- [ ] Create ProductDetail page
- File: `pages/produkte/[id].vue`
- Fetches product by ID from API
- Uses: ProductDetail component
- 404 page if product not found
- SEO meta tags with product data
### Asset Handling
- [ ] Add product images handling
- Create `/public/images/products/` folder
- Add placeholder image for products without image
- Document image requirements (size, format)
- Optimize images (use Nuxt Image module if needed)
### Testing
- [ ] Test product display
- Seed database with sample products (manual or seed script)
- Visit /produkte page
- Verify products display correctly
- Verify responsive design (mobile, tablet, desktop)
- Click product to view detail page
- Verify product detail displays correctly
- [ ] Optimize product queries
- Add indexes to products table if needed (active, category)
- Test query performance with 100+ products
- Add pagination if needed (future enhancement)
- [ ] Document product schema
- Document product data structure in code comments
- Document how images are stored/referenced
- Document category values (e.g., "makerspace-jahreskarte")
---
## Acceptance Criteria
- [x] /api/products endpoint returns all active products
- [x] /api/products/[id] endpoint returns product by ID
- [x] ProductCard component displays product correctly
- [x] ProductList component shows products in grid layout
- [x] ProductDetail component shows full product info
- [x] /produkte page lists all products
- [x] /produkte/[id] page shows product detail
- [x] Images display correctly (or placeholder if missing)
- [x] Responsive design works on mobile/tablet/desktop
- [x] Product data structure is documented
---
## Notes
- **MVP Scope:** Only Makerspace-Jahreskarten products for now
- **Images:** Can use placeholders initially, real images added later
- **Pagination:** Not needed for MVP (< 10 products expected)
- **Filters:** Category filter can be added later if needed
---
## Blockers
- None currently (can use mock products if NAV ERP sync not ready)
---
## Related Documentation
- [docs/PRD.md: F-004](../docs/PRD.md#f-004-produktanzeige)
- [docs/ARCHITECTURE.md: Products Table](../docs/ARCHITECTURE.md#products)
- [CLAUDE.md: API Route Example](../CLAUDE.md#api-route-example)

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# Phase 5: Cart (Shopping Cart)
**Status:** ⏳ Todo
**Progress:** 0/12 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Implement shopping cart functionality: API endpoints for cart operations, cart composable, and UI components for cart display and management.
**Goal:** Users can add products to cart, update quantities, and remove items.
---
## Dependencies
- ✅ Phase 2: Database must be completed (carts, cart_items tables needed)
- ✅ Phase 3: Authentication should be completed (for user-specific carts)
- ✅ Phase 4: Products must be completed (products needed in cart)
---
## Tasks
### API Endpoints
- [ ] Create /api/cart/index.get.ts endpoint
- Get current user's cart (or session cart for guests)
- Include cart items with product details (join)
- Calculate total price
- Return: { cart, items: [{product, quantity, subtotal}], total }
- [ ] Create /api/cart/items.post.ts endpoint
- Add item to cart (body: {productId, quantity})
- Validate product exists and has stock
- Create cart if doesn't exist
- Upsert cart_item (update quantity if already exists)
- Return: Updated cart
- [ ] Create /api/cart/items/[id].patch.ts endpoint
- Update cart item quantity (body: {quantity})
- Validate quantity > 0
- Validate stock availability
- Return: Updated cart item
- [ ] Create /api/cart/items/[id].delete.ts endpoint
- Remove item from cart
- Delete cart_item record
- Return: 204 No Content
### Composables
- [ ] Create useCart composable
- File: `composables/useCart.ts`
- State: cart (ref), items (computed), total (computed), itemCount (computed)
- Functions:
- `fetchCart()` - Load cart from API
- `addItem(productId, quantity)` - Add to cart
- `updateItem(itemId, quantity)` - Update quantity
- `removeItem(itemId)` - Remove from cart
- `clearCart()` - Empty cart
- Auto-fetch on mount
- See similar pattern: [CLAUDE.md: useAuth](../CLAUDE.md#oauth2-login-flow-pattern)
### UI Components
- [ ] Create CartItem component
- File: `components/Cart/CartItem.vue`
- Props: item (object with product, quantity, subtotal)
- Display: Product image, name, price, quantity input, subtotal
- Actions: Update quantity, Remove button
- Emits: @update, @remove
- [ ] Create CartSummary component
- File: `components/Cart/CartSummary.vue`
- Props: items (array), total (number)
- Display: Items count, subtotal, VAT, total
- Button: "Zur Kasse" (to checkout)
- Styling: shadcn-nuxt Card
### Pages
- [ ] Create cart page
- File: `pages/warenkorb.vue` (German route)
- Uses: useCart composable
- Shows: List of CartItem components + CartSummary
- Empty state: "Ihr Warenkorb ist leer" with link to /produkte
- Loading state while fetching
### Testing
- [ ] Test cart operations
- Add product to cart from product page
- Verify cart count updates (header badge)
- Visit /warenkorb page
- Update quantity via input
- Remove item via button
- Verify total updates correctly
- [ ] Add cart persistence
- For logged-in users: cart stored in DB (user_id)
- For guests: cart stored in DB (session_id)
- Test cart persists across page reloads
- Test cart merges when guest logs in (optional, can defer)
- [ ] Optimize cart queries
- Ensure product details are fetched efficiently (join, not N+1)
- Test with 10+ items in cart
- Add indexes if needed
- [ ] Document cart logic
- Document cart/session relationship
- Document cart item uniqueness (cart_id + product_id)
- Document cart cleanup strategy (old carts)
---
## Acceptance Criteria
- [x] All 4 cart API endpoints work correctly
- [x] useCart composable manages cart state
- [x] CartItem component displays and allows editing
- [x] CartSummary component shows total correctly
- [x] /warenkorb page shows cart with all items
- [x] Can add products to cart from product pages
- [x] Can update item quantities in cart
- [x] Can remove items from cart
- [x] Cart total calculates correctly
- [x] Cart persists across page reloads
- [x] Empty cart shows helpful message
---
## Notes
- **Guest Carts:** Use session_id for guest carts (cookie-based)
- **Cart Merge:** When guest logs in, merge guest cart with user cart (optional for MVP)
- **Stock Validation:** Ensure quantity doesn't exceed stock when adding/updating
- **VAT:** 7% VAT for annual passes (hardcoded for MVP)
---
## Blockers
- None currently
---
## Related Documentation
- [docs/PRD.md: F-005](../docs/PRD.md#f-005-warenkorb)
- [docs/ARCHITECTURE.md: Carts Tables](../docs/ARCHITECTURE.md#carts)

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# Phase 6: Checkout (Forms & Flow)
**Status:** ⏳ Todo
**Progress:** 0/15 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Implement checkout flow: billing address form, validation, address pre-fill from user profile, save address to profile option.
**Goal:** Users can enter billing information and proceed to payment.
---
## Dependencies
- ✅ Phase 2: Database (users table with address fields)
- ✅ Phase 3: Authentication (user session needed)
- ✅ Phase 5: Cart (checkout requires items in cart)
---
## Tasks
### Schema & Validation
- [ ] Create checkout schema (Zod)
- File: `server/utils/schemas/checkout.ts`
- Fields: salutation, firstName, lastName, dateOfBirth, street, postCode, city, countryCode
- Validation rules: required fields, date format, postal code format
- Export: `checkoutSchema`, `CheckoutData` type
### API Endpoints
- [ ] Create /api/checkout/validate.post.ts endpoint
- Validates checkout data (Zod)
- Checks if user is logged in
- Checks if cart has items
- Returns: validation result or errors
### UI Components
- [ ] Create CheckoutForm component
- File: `components/Checkout/CheckoutForm.vue`
- Uses: VeeValidate + Zod schema
- Fields: All billing address fields
- Checkbox: "Adresse für zukünftige Bestellungen speichern"
- Pre-checked if user has no saved address
- Button: "Weiter zur Zahlung"
- See: [CLAUDE.md: Checkout Pattern](../CLAUDE.md#checkout-with-saved-address-pattern)
- [ ] Create AddressForm component (reusable)
- File: `components/Checkout/AddressForm.vue`
- Props: modelValue (address object), errors
- Emits: @update:modelValue
- Fields: Salutation dropdown, Name fields, Address fields
- Can be reused in profile settings later
### Core Functionality
- [ ] Implement address pre-fill from user profile
- In CheckoutForm: fetch user data from useAuth
- If user has saved address (user.street exists): pre-fill all fields
- If no saved address: show empty form
- [ ] Implement save address to profile
- After successful checkout: if checkbox checked, save address to user record
- Update users table: salutation, dateOfBirth, street, postCode, city, countryCode
- API endpoint: PATCH /api/user/profile (or include in order creation)
### Pages
- [ ] Create checkout page
- File: `pages/kasse.vue` (German route)
- Middleware: `auth` (requires login)
- Shows: CheckoutForm component
- Shows: Order summary (cart items + total)
- Redirects to /warenkorb if cart is empty
### Validation & Error Handling
- [ ] Add form validation (VeeValidate)
- Install VeeValidate + @vee-validate/zod
- Configure VeeValidate with Zod integration
- Show field-level errors
- Show form-level errors (e.g., "Cart is empty")
- [ ] Add error handling
- Handle validation errors gracefully
- Show user-friendly error messages
- Disable submit button while submitting
- Show loading spinner during submission
- [ ] Add loading states
- Loading: fetching user profile
- Loading: validating checkout data
- Loading: processing payment (next phase)
### Testing
- [ ] Test checkout flow
- Login as user with saved address → verify pre-fill
- Login as new user → verify empty form
- Fill form and submit → verify validation
- Submit with invalid data → verify error messages
- Submit with valid data → proceed to payment (next phase)
- [ ] Test address save/load
- Submit checkout with "save address" checked
- Verify user record updated in DB
- Start new checkout → verify address pre-filled
- [ ] Test mobile checkout
- Test form on mobile device/emulator
- Verify fields are easy to tap and type
- Verify keyboard shows correct type (e.g., numeric for postal code)
- [ ] Optimize checkout UX
- Autofocus first field
- Tab order is logical
- Error messages are clear and helpful
- Button placement is accessible
- [ ] Document checkout logic
- Document address save/load flow
- Document validation rules
- Document error handling strategy
---
## Acceptance Criteria
- [x] Checkout schema is defined with Zod
- [x] CheckoutForm component is functional and styled
- [x] AddressForm component is reusable
- [x] Address pre-fills from user profile if available
- [x] "Save address" checkbox works correctly
- [x] /kasse page is protected (requires auth)
- [x] Form validation works (VeeValidate + Zod)
- [x] Field-level and form-level errors display correctly
- [x] Loading states show during async operations
- [x] Mobile checkout UX is optimized
- [x] Address is saved to user profile after successful checkout
- [x] Checkout flow is documented
---
## Notes
- **Required Fields:** All address fields are required at checkout (even though optional in DB)
- **Date of Birth:** Required for annual pass registration
- **Salutation:** Dropdown with values: "Herr", "Frau", "Keine Angabe" (maps to HERR, FRAU, K_ANGABE in X-API)
- **Country Code:** Default to "DE", allow selection for international customers
---
## Blockers
- None currently
---
## Related Documentation
- [docs/PRD.md: F-006](../docs/PRD.md#f-006-checkout-prozess)
- [docs/ARCHITECTURE.md: Users Table](../docs/ARCHITECTURE.md#users)
- [CLAUDE.md: Checkout Pattern](../CLAUDE.md#checkout-with-saved-address-pattern)

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# Phase 7: Payment (PayPal Integration)
**Status:** ⏳ Todo
**Progress:** 0/12 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Integrate PayPal payment gateway: create order, capture payment, handle webhooks, and manage payment success/failure flows.
**Goal:** Users can pay for their orders securely via PayPal.
---
## Dependencies
- ✅ Phase 5: Cart (payment requires cart data)
- ✅ Phase 6: Checkout (billing info needed for order)
- ⚠️ **Required:** PayPal credentials (CLIENT_ID, CLIENT_SECRET)
---
## Tasks
### Setup
- [ ] Install PayPal SDK
```bash
pnpm add @paypal/checkout-server-sdk
```
- [ ] Configure PayPal credentials in .env
```bash
PAYPAL_CLIENT_ID=xxx
PAYPAL_CLIENT_SECRET=xxx
PAYPAL_MODE=sandbox # or 'live' for production
```
- [ ] Add PayPal config to nuxt.config.ts
```typescript
runtimeConfig: {
paypal: {
clientId: process.env.PAYPAL_CLIENT_ID,
clientSecret: process.env.PAYPAL_CLIENT_SECRET,
mode: process.env.PAYPAL_MODE || 'sandbox',
},
public: {
paypalClientId: process.env.PAYPAL_CLIENT_ID, // For client-side SDK
},
}
```
### API Endpoints
- [ ] Create /api/payment/paypal/create.post.ts endpoint
- Body: { cartId, billingAddress }
- Create PayPal order via SDK
- Amount: cart total in EUR
- Description: "Makerspace-Jahreskarte"
- Return: { orderId, approvalUrl }
- See: PayPal Orders API v2
- [ ] Create /api/payment/paypal/capture.post.ts endpoint
- Body: { orderId, paypalOrderId }
- Capture PayPal payment
- If successful:
- Create order in local DB (orders, order_items)
- Queue order for X-API submission (BullMQ)
- Clear user's cart
- Return: { success: true, orderNumber }
- If failed:
- Return: { success: false, error }
- [ ] Create /api/payment/paypal/webhook.post.ts endpoint
- Verify webhook signature (PayPal SDK)
- Handle events:
- CHECKOUT.ORDER.APPROVED
- PAYMENT.CAPTURE.COMPLETED
- PAYMENT.CAPTURE.DENIED
- Update order status in DB based on event
- Log all webhook events
- Return: 200 OK (acknowledge receipt)
### Client-Side Integration
- [ ] Integrate PayPal button on checkout
- File: `components/Checkout/PayPalButton.vue`
- Load PayPal JavaScript SDK
- Render PayPal button
- On click: Call /api/payment/paypal/create
- On approve: Call /api/payment/paypal/capture
- On error: Show error message
- See: PayPal Checkout Integration guide
### Payment Flows
- [ ] Implement payment success flow
- After successful capture:
- Redirect to /bestätigung/[orderNumber] (order confirmation page)
- Show success message + order details
- Show estimated delivery/activation time
- Send confirmation email (optional for MVP)
- [ ] Implement payment error handling
- On capture failure:
- Show user-friendly error message
- Keep cart intact (don't clear)
- Log error for debugging
- Offer retry or alternative payment method (future)
### Testing
- [ ] Test PayPal sandbox
- Create sandbox account on PayPal Developer Portal
- Use sandbox credentials in .env
- Test complete flow: create → approve → capture
- Test with PayPal test cards
- Verify order is created in local DB
- [ ] Add payment status tracking
- Order status field: 'pending', 'paid', 'failed', 'completed'
- Update status after PayPal capture
- Display status in user's order history
- [ ] Document PayPal integration
- Document PayPal API flow
- Document webhook events and handling
- Document error scenarios and recovery
- Document sandbox vs production setup
- [ ] Test webhook handling
- Use PayPal webhook simulator in sandbox
- Send test events to webhook endpoint
- Verify events are processed correctly
- Verify order status updates
---
## Acceptance Criteria
- [x] PayPal SDK is installed and configured
- [x] /api/payment/paypal/create endpoint works
- [x] /api/payment/paypal/capture endpoint works
- [x] /api/payment/paypal/webhook endpoint works
- [x] PayPal button renders on checkout page
- [x] Can create PayPal order successfully
- [x] Can capture payment successfully
- [x] Order is created in DB after successful payment
- [x] Cart is cleared after successful payment
- [x] User is redirected to confirmation page
- [x] Payment errors are handled gracefully
- [x] Webhook signature verification works
- [x] Webhook events update order status
- [x] Payment flow is documented
---
## Notes
- **Sandbox Testing:** Use PayPal sandbox for development
- **Webhook URL:** Must be publicly accessible (use ngrok for local testing)
- **Currency:** EUR for all transactions
- **Amount Precision:** PayPal requires 2 decimal places (e.g., "19.99")
- **Order Number:** Generate unique order number (e.g., "EXP-2025-0001")
---
## Blockers
- ⚠️ **PayPal Credentials:** Need sandbox credentials to test integration
- ⚠️ **Webhook Testing:** Need public URL for webhook endpoint (ngrok)
---
## Related Documentation
- [docs/PRD.md: F-007](../docs/PRD.md#f-007-paypal-integration)
- [docs/TECH_STACK.md: PayPal](../docs/TECH_STACK.md#7-payment-gateway)
- [PayPal Orders API](https://developer.paypal.com/docs/api/orders/v2/)
- [PayPal Webhooks](https://developer.paypal.com/api/rest/webhooks/)

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# Phase 8: Order Processing (BullMQ + X-API)
**Status:** ⏳ Todo
**Progress:** 0/15 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Implement asynchronous order processing: BullMQ queue for order submission to X-API, worker for processing orders, retry logic, and BullBoard dashboard for monitoring.
**Goal:** Orders are reliably submitted to X-API (NAV ERP) after successful payment.
---
## Dependencies
- ✅ Phase 2: Database (orders table needed)
- ✅ Phase 7: Payment (orders created after payment)
- ✅ Docker Redis running (from docker-compose.dev.yml)
- ⚠️ **Required:** X-API credentials (USERNAME, PASSWORD, BASE_URL)
---
## Tasks
### BullMQ Setup
- [ ] Install BullMQ + ioredis
```bash
pnpm add bullmq ioredis
pnpm add -D @bull-board/api @bull-board/nuxt
```
- [ ] Configure Redis connection
- File: `server/utils/redis.ts`
```typescript
import { Redis } from 'ioredis'
const config = useRuntimeConfig()
export const redis = new Redis({
host: config.redisHost,
port: config.redisPort,
password: config.redisPassword,
maxRetriesPerRequest: null,
})
```
- [ ] Create order queue
- File: `server/queues/orderQueue.ts`
```typescript
import { Queue } from 'bullmq'
import { redis } from '../utils/redis'
export const orderQueue = new Queue('x-api-orders', {
connection: redis,
defaultJobOptions: {
attempts: 5,
backoff: { type: 'exponential', delay: 2000 },
removeOnComplete: 1000,
removeOnFail: false,
},
})
```
- [ ] Create order worker
- File: `server/workers/orderWorker.ts`
```typescript
import { Worker } from 'bullmq'
import { redis } from '../utils/redis'
export const orderWorker = new Worker(
'x-api-orders',
async (job) => {
const { orderId } = job.data
// 1. Fetch order from DB with items and user
const order = await db.query.orders.findFirst({
where: eq(orders.id, orderId),
with: { items: true, user: true },
})
// 2. Transform to X-API format
const payload = transformOrderToXAPI(order, order.user)
// 3. Submit to X-API
const result = await submitOrderToXAPI(payload)
// 4. Update order status
await db
.update(orders)
.set({ status: 'completed', xapiResponse: result })
.where(eq(orders.id, orderId))
return result
},
{
connection: redis,
concurrency: 5,
limiter: { max: 10, duration: 1000 },
}
)
```
### X-API Client
- [ ] Create X-API client utility
- File: `server/utils/xapi/client.ts`
- Functions:
- `submitOrderToXAPI(payload)` - Submit order with retry logic & Basic Auth
- See: [CLAUDE.md: X-API Order Transformation](../CLAUDE.md#x-api-order-transformation-pattern)
- [ ] Implement transformOrderToXAPI function
- File: `server/utils/xapi/transformer.ts`
- Transform order from DB schema to X-API schema
- Critical transformations:
- Prices: EUR (Decimal) → Cents (Integer): `Math.round(price * 100)`
- Dates: JavaScript Date → ISO 8601 UTC: `.toISOString()`
- Line numbers: 10000, 20000, 30000... (multiples of 10000)
- Salutation: 'male' → 'HERR', 'female' → 'FRAU', other → 'K_ANGABE'
- See: [docs/ARCHITECTURE.md: X-API Format](../docs/ARCHITECTURE.md#34-x-api-order-transformation)
- [ ] Implement submitOrderToXAPI with retry
- Exponential backoff: 1s, 3s, 9s
- Max 3 retries
- HTTP Basic Auth header
- Timeout: 30 seconds
- Log all attempts
- See: [CLAUDE.md: X-API Pattern](../CLAUDE.md#x-api-order-transformation-pattern)
### API Endpoints
- [ ] Create /api/orders/index.post.ts endpoint
- Protected (requires auth)
- Body: { billingAddress, paymentId }
- Create order record in DB
- Create order_items from cart
- Queue order for X-API submission
- Return: { orderId, orderNumber }
- [ ] Create /api/orders/[id].get.ts endpoint
- Protected (requires auth)
- Fetch order by ID (only user's own orders)
- Include order items with product details
- Return: Order object
### Testing
- [ ] Test queue processing
- Add job to queue manually: `orderQueue.add('submit-order', { orderId: '...' })`
- Verify worker picks up job
- Verify job completes successfully
- Check BullBoard dashboard
- [ ] Test X-API submission (mock)
- Create mock X-API endpoint for testing
- Submit order via queue
- Verify transformation is correct
- Verify Basic Auth header is present
- [ ] Add error handling & logging
- Log all queue events (active, completed, failed, stalled)
- Log X-API requests/responses
- Handle X-API errors gracefully
- Update order status on failure
### Monitoring
- [ ] Setup BullBoard dashboard
- File: `server/api/admin/queues.ts`
```typescript
import { createBullBoard } from '@bull-board/api'
import { BullMQAdapter } from '@bull-board/api/bullMQAdapter'
import { NuxtAdapter } from '@bull-board/nuxt'
const serverAdapter = new NuxtAdapter()
serverAdapter.setBasePath('/admin/queues')
createBullBoard({
queues: [new BullMQAdapter(orderQueue)],
serverAdapter,
})
export default fromNodeMiddleware(serverAdapter.registerPlugin())
```
- Access at: http://localhost:3000/admin/queues
- [ ] Test retry logic
- Simulate X-API failure (wrong credentials or mock 500 error)
- Verify job retries with exponential backoff
- Verify job moves to failed after 5 attempts
- Check retry logs
- [ ] Document order processing
- Document queue flow: payment → queue → worker → X-API
- Document retry strategy
- Document error handling and recovery
- Document how to monitor queues
---
## Acceptance Criteria
- [x] BullMQ is installed and configured
- [x] Redis connection is working
- [x] Order queue is created
- [x] Order worker processes jobs correctly
- [x] transformOrderToXAPI transforms orders correctly
- [x] submitOrderToXAPI submits with Basic Auth and retry logic
- [x] /api/orders endpoints create orders and queue jobs
- [x] Queue processing works end-to-end
- [x] X-API submissions succeed (or fail gracefully)
- [x] Error handling and logging are comprehensive
- [x] BullBoard dashboard is accessible and functional
- [x] Retry logic works as expected
- [x] Order processing is documented
---
## Notes
- **Async Processing:** Orders are queued immediately, processed in background
- **Job Timeout:** 60 seconds per job (X-API timeout + overhead)
- **Concurrency:** 5 jobs processed simultaneously
- **Rate Limit:** 10 requests/second to X-API
- **Failed Jobs:** Kept in Redis for manual inspection (not auto-deleted)
---
## Blockers
- ⚠️ **X-API Credentials:** Cannot test real submission without credentials
- **Workaround:** Use mock X-API endpoint for testing, document real integration
---
## Related Documentation
- [docs/ARCHITECTURE.md: Queue Architecture](../docs/ARCHITECTURE.md#35-queue-architektur-bullmq--redis)
- [docs/ARCHITECTURE.md: X-API Format](../docs/ARCHITECTURE.md#34-x-api-order-transformation)
- [docs/TECH_STACK.md: BullMQ](../docs/TECH_STACK.md#52-queue-system-bullmq)
- [CLAUDE.md: X-API Pattern](../CLAUDE.md#x-api-order-transformation-pattern)

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# Phase 9: ERP Integration (NAV Product Sync)
**Status:** ⏳ Todo
**Progress:** 0/10 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Implement NAV ERP product sync API endpoint: receive product data pushed from NAV ERP, validate, and upsert into local database.
**Goal:** NAV ERP can push products to our API, keeping product catalog up-to-date.
---
## Dependencies
- ✅ Phase 2: Database (products table needed)
- ⚠️ **Required:** API key for NAV ERP authentication
---
## Tasks
### Schema & Validation
- [ ] Create NAV ERP product schema (Zod)
- File: `server/utils/schemas/navProduct.ts`
- Fields: navProductId, name, description, price, stockQuantity, category, active
- Validation rules: required fields, price > 0, stock >= 0
- Export: `navProductSchema`, `NavProductData` type
### API Endpoint
- [ ] Create /api/erp/products.post.ts endpoint
- Body: { products: NavProductData[] } (array of products)
- Validate API key from header: `Authorization: Bearer <API_KEY>`
- Validate product data with Zod
- Upsert products in DB (insert if new, update if exists)
- Return: { success: true, upserted: count, errors: [] }
### Authentication
- [ ] Implement API key authentication
- Middleware: `server/middleware/erpAuth.ts`
- Check Authorization header
- Validate API key against NAV_ERP_API_KEY env var
- Return 401 if invalid/missing
- Only apply to /api/erp/\* routes
### Business Logic
- [ ] Implement product validation
- Validate required fields
- Validate data types and formats
- Validate price is positive
- Validate stock quantity is non-negative
- Return detailed errors for invalid products
- [ ] Implement product upsert logic
- Check if product exists by navProductId (unique key)
- If exists: Update name, description, price, stock, category, active, updated_at
- If not exists: Insert new product with all fields
- Use Drizzle's `.onConflictDoUpdate()` or manual check
- Return count of upserted products
### Error Handling
- [ ] Add error handling & logging
- Log all incoming requests (timestamp, product count)
- Log validation errors with details
- Log DB errors
- Return structured errors to NAV ERP
- Example: `{ success: false, errors: [{ product: '...', message: '...' }] }`
### Testing
- [ ] Test product sync (mock data)
- Create sample NAV product data (JSON)
- POST to /api/erp/products with valid API key
- Verify products are created in DB
- POST again with updated data
- Verify products are updated in DB
- Test with invalid data → verify validation errors
- [ ] Test API key auth
- Test without Authorization header → expect 401
- Test with invalid API key → expect 401
- Test with valid API key → expect 200
- [ ] Add rate limiting
- Limit NAV ERP endpoint to prevent abuse
- Example: 100 requests / hour per API key
- Use `server/middleware/rate-limit.ts` (extend from Phase 3)
- Return 429 if limit exceeded
- [ ] Document ERP integration
- Document API endpoint spec (request/response format)
- Document authentication method (API key in header)
- Document product data schema
- Document error codes and messages
- Document rate limits
- Create example curl commands for NAV team
---
## Acceptance Criteria
- [x] NAV product schema is defined with Zod
- [x] /api/erp/products endpoint is implemented
- [x] API key authentication works correctly
- [x] Product validation works (Zod schema)
- [x] Product upsert logic works (insert new, update existing)
- [x] Error handling returns structured errors
- [x] Logging captures all requests and errors
- [x] Can sync products successfully with mock data
- [x] API key auth prevents unauthorized access
- [x] Rate limiting protects endpoint from abuse
- [x] ERP integration is documented for NAV team
---
## Notes
- **Push Model:** NAV ERP pushes to us (we don't pull)
- **Batch Sync:** NAV can send multiple products in one request
- **Idempotent:** Repeated syncs with same data should be safe (upsert)
- **API Key Storage:** Store NAV_ERP_API_KEY in .env (dev/prod)
- **NAV Contact:** Coordinate with NAV team for API key and sync schedule
---
## Blockers
- ⚠️ **API Key:** Need to generate/agree on API key with NAV team
- ⚠️ **NAV Schema:** Need exact product schema from NAV team (may differ from assumption)
---
## Related Documentation
- [docs/PRD.md: F-011](../docs/PRD.md#f-011-nav-erp-push-endpunkt)
- [docs/ARCHITECTURE.md: NAV ERP Integration](../docs/ARCHITECTURE.md#33-nav-erp-product-sync)
- [CLAUDE.md: Important Constraints](../CLAUDE.md#important-constraints)

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# Phase 10: i18n (Internationalization)
**Status:** ⏳ Todo
**Progress:** 0/8 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Implement internationalization (i18n) with @nuxtjs/i18n: support German (default) and English, translate all UI strings, and create language switcher.
**Goal:** App is fully bilingual (German + English) with proper routing and formatting.
---
## Dependencies
- ✅ Phase 1-9: Most UI components should be created by now
---
## Tasks
### Setup
- [ ] Install @nuxtjs/i18n
```bash
pnpm add @nuxtjs/i18n
```
- [ ] Configure i18n module
- File: `nuxt.config.ts`
```typescript
export default defineNuxtConfig({
modules: ['@nuxtjs/i18n'],
i18n: {
locales: [
{ code: 'de', iso: 'de-DE', name: 'Deutsch', file: 'de-DE.json' },
{ code: 'en', iso: 'en-US', name: 'English', file: 'en-US.json' },
],
defaultLocale: 'de',
strategy: 'prefix_except_default',
langDir: 'locales',
lazy: true,
detectBrowserLanguage: {
useCookie: true,
cookieKey: 'i18n_redirected',
redirectOn: 'root',
},
},
})
```
### Translation Files
- [ ] Create locale files (de-DE.json, en-US.json)
- Create: `locales/de-DE.json` (German)
- Create: `locales/en-US.json` (English)
- Structure:
```json
{
"common": {
"header": { "home": "Startseite", "products": "Produkte", ... },
"footer": { ... },
"buttons": { "submit": "Absenden", "cancel": "Abbrechen", ... }
},
"auth": {
"login": { "title": "Anmelden", "email": "E-Mail", ... },
"register": { ... }
},
"products": { ... },
"cart": { ... },
"checkout": { ... },
"errors": { ... }
}
```
- [ ] Translate all UI strings
- Go through all components and pages
- Replace hardcoded German strings with `$t('key')` or `t('key')`
- Add translations to both de-DE.json and en-US.json
- Components to translate:
- Header, Footer
- Auth forms (Login, Register)
- Product list, Product detail
- Cart, CartItem, CartSummary
- Checkout form
- PayPal button texts
- Error messages
- Success messages
- Validation messages (VeeValidate)
### UI Components
- [ ] Create language switcher component
- File: `components/Common/LanguageSwitcher.vue`
- Dropdown or toggle: 🇩🇪 Deutsch | 🇬🇧 English
- Uses: `$i18n.locale` and `$switchLocalePath()`
- Place in header
- Styling: shadcn-nuxt DropdownMenu or simple buttons
### Testing
- [ ] Test route localization
- Visit /produkte (German)
- Switch to English → should redirect to /en/products
- Test all main routes:
- / → /en/ (homepage)
- /produkte → /en/products
- /warenkorb → /en/cart
- /kasse → /en/checkout
- Verify route parameters preserved (/produkte/[id] → /en/products/[id])
- [ ] Test currency/date formatting
- Use Intl.NumberFormat for currency (EUR)
- Use Intl.DateTimeFormat for dates
- Example in component:
```typescript
const { locale } = useI18n()
const formatPrice = (price: number) => {
return new Intl.NumberFormat(locale.value, {
style: 'currency',
currency: 'EUR',
}).format(price)
}
```
- Test: German → "19,99 €", English → "€19.99"
- [ ] Document i18n structure
- Document translation file structure
- Document how to add new translations
- Document naming conventions for translation keys
- Document how language switcher works
- Document how to format currency/dates per locale
---
## Acceptance Criteria
- [x] @nuxtjs/i18n is installed and configured
- [x] Locale files exist for German and English
- [x] All UI strings are translated (no hardcoded German text)
- [x] Language switcher component is functional
- [x] Can switch between German and English
- [x] Routes change with language (/produkte ↔ /en/products)
- [x] Currency formatting respects locale
- [x] Date formatting respects locale
- [x] i18n structure is documented
---
## Notes
- **Default Language:** German (de)
- **Route Strategy:** prefix_except_default (German has no prefix, English has /en/)
- **SEO:** Automatic hreflang tags for SEO
- **Lazy Loading:** Translation files loaded on demand
- **Browser Detection:** Redirects to browser language on first visit (if supported)
---
## Blockers
- None currently
---
## Related Documentation
- [docs/PRD.md: Bilingual Support](../docs/PRD.md#bilingual-support)
- [docs/TECH_STACK.md: i18n](../docs/TECH_STACK.md#9-internationalization-i18n)
- [CLAUDE.md: Important Constraints](../CLAUDE.md#important-constraints)
- [@nuxtjs/i18n Docs](https://i18n.nuxtjs.org/)

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# Phase 11: Testing & Deployment
**Status:** ⏳ Todo
**Progress:** 0/15 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
Setup testing frameworks (Vitest, Playwright), write tests, create production Docker setup, configure CI/CD pipeline, and deploy to staging/production.
**Goal:** Fully tested MVP deployed to production with automated CI/CD.
---
## Dependencies
- ✅ All previous phases should be completed
---
## Tasks
### Unit Testing Setup
- [ ] Setup Vitest for unit tests
```bash
pnpm add -D vitest @vue/test-utils happy-dom
```
- Configure vitest.config.ts
- Add test scripts to package.json: `"test": "vitest"`
- Create `tests/` folder structure
- [ ] Write tests for auth utilities
- Test: `server/utils/pkce.ts`
- Test PKCE generation (verifier, challenge)
- Test challenge is base64url encoded SHA-256
- Test: `server/utils/jwt.ts`
- Test JWT validation (mock JWKS)
- Test expired token rejection
- Test invalid issuer/audience rejection
- [ ] Write tests for API endpoints
- Test: `/api/products/index.get.ts`
- Test returns active products only
- Test filtering by category
- Test: `/api/cart/items.post.ts`
- Test add item to cart
- Test validation (invalid product ID)
- Test: `/api/orders/index.post.ts`
- Test order creation
- Test requires authentication
- Use: `@nuxt/test-utils` for API testing
### E2E Testing Setup
- [ ] Setup Playwright for E2E
```bash
pnpm add -D @playwright/test
npx playwright install
```
- Configure playwright.config.ts
- Add e2e script: `"test:e2e": "playwright test"`
- Create `tests/e2e/` folder
- [ ] Write E2E test: user registration
- Navigate to /auth
- Click "Register" tab
- Fill registration form
- Submit form
- Verify success message (or redirect to Cidaas)
- Note: May need to mock Cidaas for E2E
- [ ] Write E2E test: complete checkout flow
- Login as user (or create test user)
- Navigate to /produkte
- Click product
- Click "In den Warenkorb"
- Navigate to /warenkorb
- Click "Zur Kasse"
- Fill checkout form
- Mock PayPal payment (or use sandbox)
- Verify order confirmation page
### Production Docker Setup
- [ ] Create Dockerfile (production)
- File: `Dockerfile`
- Multi-stage build (see docs/TECH_STACK.md#dockerfile)
- Build stage: Install deps, build Nuxt
- Production stage: Copy .output, run server
- Optimize for size (alpine, minimal layers)
- [ ] Create docker-compose.yml (production)
- File: `docker-compose.yml`
- Services: app, db, redis, worker (BullMQ worker)
- Volumes: postgres_data, redis_data
- Networks: app-network
- Health checks for all services
- Secrets for sensitive data
- See: docs/TECH_STACK.md#docker-compose
### CI/CD Pipeline
- [ ] Configure GitLab CI/CD
- File: `.gitlab-ci.yml`
- Stages: build, test, deploy-staging, deploy-production
- Build stage:
- Build Docker image
- Push to registry
- Test stage:
- Run unit tests
- Run E2E tests
- Check test coverage
- Deploy-staging stage:
- Deploy to staging automatically on main branch
- Deploy-production stage:
- Manual trigger required
- See: docs/TECH_STACK.md#gitlab-ci
- [ ] Test production build
```bash
pnpm build
pnpm preview
```
- Verify build completes without errors
- Verify production server runs
- Test production build locally with Docker:
```bash
docker build -t experimenta-app:latest .
docker run -p 3000:3000 experimenta-app:latest
```
### Deployment
- [ ] Setup staging environment
- Server: Hetzner VPS or VM (Proxmox)
- Domain: staging.my.experimenta.science
- SSL: Let's Encrypt (automatic)
- Reverse Proxy: Nginx or Traefik
- Docker Compose with staging config
- Environment: STAGING
- [ ] Deploy to staging
- Use GitLab CI/CD or manual deploy
- Verify deployment successful
- Run smoke tests on staging
- Test full user flow on staging
- [ ] Final QA on staging
- Test all features:
- User registration & login
- Product browsing
- Add to cart
- Checkout
- PayPal payment (sandbox)
- Order confirmation
- Order history
- Test on multiple devices/browsers
- Test language switching (DE/EN)
- Test error scenarios
- [ ] Document deployment process
- Document staging deployment steps
- Document production deployment steps
- Document rollback procedure
- Document database migration process
- Document secrets management
- Document monitoring and logging
- [ ] Deploy to production 🚀
- Server: Hetzner dedicated/VPS
- Domain: my.experimenta.science
- SSL: Let's Encrypt
- Reverse Proxy: Nginx or Traefik
- Docker Compose with production config
- Environment: PRODUCTION
- PayPal: LIVE mode
- X-API: Production endpoint
- Cidaas: Production credentials
- Database backups enabled
---
## Acceptance Criteria
- [x] Vitest is set up and running
- [x] Unit tests cover critical utilities and endpoints
- [x] Playwright is set up and running
- [x] E2E tests cover registration and checkout flows
- [x] Production Dockerfile is optimized and working
- [x] docker-compose.yml for production is complete
- [x] GitLab CI/CD pipeline is configured
- [x] Production build works locally
- [x] Staging environment is set up and accessible
- [x] Deployed to staging successfully
- [x] QA testing on staging passes
- [x] Deployment process is documented
- [x] Deployed to production successfully 🎉
- [x] Production app is accessible and functional
- [x] Monitoring and error tracking are active
---
## Notes
- **Test Coverage Goal:** 70%+ for critical code paths
- **E2E Testing:** Focus on happy path for MVP (error scenarios in later phases)
- **Docker Production:** Use Docker Secrets for sensitive data (not env vars)
- **CI/CD:** Auto-deploy to staging, manual approval for production
- **Monitoring:** Setup Sentry or similar for error tracking (optional for MVP)
- **Backups:** Daily automated database backups with 7-day retention
---
## Blockers
- ⚠️ **Production Servers:** Need access to production servers
- ⚠️ **Production Credentials:** Need production credentials for Cidaas, PayPal, X-API
- ⚠️ **Domain DNS:** Need to point domain to production server
---
## Related Documentation
- [docs/TECH_STACK.md: Testing](../docs/TECH_STACK.md#12-testing)
- [docs/TECH_STACK.md: Docker](../docs/TECH_STACK.md#11-deployment--infrastructure)
- [docs/TECH_STACK.md: CI/CD](../docs/TECH_STACK.md#cicd-mit-gitlab)
- [README.md: Development Setup](../README.md#lokale-entwicklung)
---
## Post-Launch
After successful production launch:
- [ ] Monitor error rates (Sentry or logs)
- [ ] Monitor queue performance (BullBoard)
- [ ] Monitor PayPal transaction success rate
- [ ] Monitor X-API submission success rate
- [ ] Gather user feedback
- [ ] Plan Phase 2 features (Educator roles, etc.)
---
**🎉 Congratulations on launching the MVP! 🎉**

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# Task Management System
## my.experimenta.science MVP Implementation
Dieses Verzeichnis enthält die feingranulare Task-Planung für die Implementierung des MVP.
---
## 📁 Ordnerstruktur
```
tasks/
├── README.md # Diese Datei - Übersicht & Anleitung
├── 00-PROGRESS.md # Zentrale Fortschrittsverfolgung
├── 01-foundation.md # Phase 1: Foundation (Nuxt Setup)
├── 02-database.md # Phase 2: Database Schema & Migrations
├── 03-authentication.md # Phase 3: Cidaas OAuth2 Integration
├── 04-products.md # Phase 4: Product Display
├── 05-cart.md # Phase 5: Shopping Cart
├── 06-checkout.md # Phase 6: Checkout Flow
├── 07-payment.md # Phase 7: PayPal Integration
├── 08-order-processing.md # Phase 8: Order Processing (BullMQ + X-API)
├── 09-erp-integration.md # Phase 9: NAV ERP Product Sync
├── 10-i18n.md # Phase 10: Internationalization
└── 11-testing-deployment.md # Phase 11: Testing & Deployment
```
---
## 🎯 Zweck
Dieses System ermöglicht:
**Strukturierte Entwicklung:** Klare Aufteilung in logische Phasen
**Progress Tracking:** Nachvollziehbarer Fortschritt pro Phase
**Agent-freundlich:** Claude Code Agents können Tasks autonom abarbeiten
**Resume-fähig:** Einfaches Fortsetzen nach Unterbrechung
**Transparenz:** Blockers & Decisions werden dokumentiert
**Dependencies:** Klare Abhängigkeiten zwischen Phasen
---
## 📊 Status-Definitionen
| Status | Symbol | Bedeutung |
| --------------- | ------ | -------------------------------------- |
| **Todo** | ⏳ | Noch nicht begonnen |
| **In Progress** | 🔄 | Aktuell in Arbeit |
| **Done** | ✅ | Abgeschlossen & getestet |
| **Blocked** | 🚫 | Blockiert, wartet auf externes Input |
| **Skipped** | ⏭️ | Übersprungen (optional/nicht relevant) |
---
## 🔄 Workflow für Agents
### 1. Start einer Arbeitssession
```markdown
1. Öffne `00-PROGRESS.md`
2. Identifiziere nächste Phase mit Status "⏳ Todo" oder "🔄 In Progress"
3. Öffne die entsprechende Phase-Datei (z.B. `03-authentication.md`)
```
### 2. Während der Implementierung
```markdown
1. Arbeite Tasks sequenziell ab (von oben nach unten)
2. Markiere Tasks als erledigt: `- [ ]``- [x]`
3. Dokumentiere wichtige Entscheidungen im Notes-Bereich
4. Bei Blocker: Status auf 🚫, Grund dokumentieren
```
### 3. Fortschritt aktualisieren
```markdown
1. Nach jedem abgeschlossenen Task:
- Aktualisiere Progress in Phase-Datei: "3/15 tasks (20%)"
2. Nach Abschluss einer Phase:
- Status auf ✅ Done setzen
- `00-PROGRESS.md` aktualisieren
- Nächste Phase identifizieren
```
### 4. Bei Unterbrechung
```markdown
1. Aktuellen Task-Status in Phase-Datei speichern
2. In `00-PROGRESS.md` unter "Current Work" dokumentieren:
- Welche Phase
- Welcher Task
- Was als nächstes zu tun ist
```
---
## 📝 Phase-Datei Format
Jede Phase-Datei folgt diesem Template:
```markdown
# Phase X: [Name]
**Status:** ⏳ Todo | 🔄 In Progress | ✅ Done | 🚫 Blocked
**Progress:** 0/15 tasks (0%)
**Started:** -
**Completed:** -
**Assigned to:** -
---
## Overview
[Beschreibung was in dieser Phase erreicht werden soll]
---
## Dependencies
- ✅ Phase Y: [Name] must be completed first
- ⏳ Phase Z: [Name] (optional, can run parallel)
---
## Tasks
### Setup
- [ ] Task 1
- [ ] Task 2
### Implementation
- [ ] Task 3
- [ ] Task 4
### Testing
- [ ] Task 5
- [ ] Task 6
---
## Acceptance Criteria
- [ ] Criterion 1
- [ ] Criterion 2
---
## Notes
- Important decision: ...
- Issue encountered: ...
- Resource link: ...
---
## Blockers
- None currently
---
## Related Documentation
- [PRD Section X](../docs/PRD.md#section)
- [Architecture Section Y](../docs/ARCHITECTURE.md#section)
```
---
## 🎓 Best Practices
### Für Agents
1. **Lies zuerst die Phase-Übersicht:** Verstehe das Ziel, bevor du startest
2. **Prüfe Dependencies:** Sind alle abhängigen Phasen abgeschlossen?
3. **Arbeite sequenziell:** Tasks sind nach Abhängigkeit sortiert
4. **Teste nach jedem Task:** Nicht alle Tasks am Ende testen
5. **Dokumentiere Blocker:** Wenn stuck, dokumentiere warum
6. **Update Progress häufig:** Nach jedem Task, nicht nur am Ende
### Für Entwickler
1. **Review 00-PROGRESS.md täglich:** Übersicht behalten
2. **Nutze Git Commits pro Task:** Ermöglicht einfaches Rollback
3. **Dokumentiere Abweichungen:** Wenn von Plan abgewichen wird
4. **Update Acceptance Criteria:** Falls sich Requirements ändern
---
## 📦 Phase-Übersicht
| # | Phase | Schwerpunkt | Geschätzte Tasks |
| --- | -------------------- | ----------------------------------- | ---------------- |
| 01 | Foundation | Nuxt 4 Setup, shadcn-nuxt, Tailwind | ~10 |
| 02 | Database | Drizzle Schema, Migrations | ~12 |
| 03 | Authentication | Cidaas OAuth2/OIDC | ~18 |
| 04 | Products | Product Display & List | ~10 |
| 05 | Cart | Shopping Cart Logic | ~12 |
| 06 | Checkout | Checkout Flow & Forms | ~15 |
| 07 | Payment | PayPal Integration | ~12 |
| 08 | Order Processing | BullMQ + X-API Submission | ~15 |
| 09 | ERP Integration | NAV ERP Product Sync API | ~10 |
| 10 | i18n | Internationalization DE/EN | ~8 |
| 11 | Testing & Deployment | E2E Tests, Docker Production | ~15 |
**Total:** ~137 granulare Tasks
---
## 🚀 Getting Started
```bash
# 1. Lies die zentrale Progress-Datei
cat tasks/00-PROGRESS.md
# 2. Identifiziere nächste Phase
# z.B. Phase 1: Foundation
# 3. Öffne Phase-Datei
cat tasks/01-foundation.md
# 4. Starte Implementierung
# Arbeite Tasks von oben nach unten ab
# 5. Update Progress nach jedem Task
# Markiere Task als done, update Progress-Zeile
```
---
## 📞 Bei Fragen
- Schaue in die relevante Dokumentation: `docs/PRD.md`, `docs/ARCHITECTURE.md`, `docs/TECH_STACK.md`
- Prüfe `CLAUDE.md` für Code-Patterns
- Bei Blocker: Dokumentiere in Phase-Datei + `00-PROGRESS.md`
---
**Happy Coding! 🎉**