clerk-ci-integration

# Clerk CI Integration

## Overview
Set up CI/CD pipelines with Clerk authentication testing.

## Prerequisites
- GitHub repository with Actions enabled
- Clerk test API keys
- npm/pnpm project configured

## Instructions

### Step 1: GitHub Actions Workflow
```yaml
# .github/workflows/test.yml
name: Test

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY: ${{ secrets.CLERK_PUBLISHABLE_KEY_TEST }}
  CLERK_SECRET_KEY: ${{ secrets.CLERK_SECRET_KEY_TEST }}

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Type check
        run: npm run typecheck

      - name: Run unit tests
        run: npm test

      - name: Run integration tests
        run: npm run test:integration
        env:
          CLERK_SECRET_KEY: ${{ secrets.CLERK_SECRET_KEY_TEST }}

      - name: Build
        run: npm run build
```

### Step 2: E2E Testing with Playwright
```yaml
# .github/workflows/e2e.yml
name: E2E Tests

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  e2e:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Install Playwright
        run: npx playwright install --with-deps

      - name: Build application
        run: npm run build
        env:
          NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY: ${{ secrets.CLERK_PUBLISHABLE_KEY_TEST }}

      - name: Run E2E tests
        run: npx playwright test
        env:
          NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY: ${{ secrets.CLERK_PUBLISHABLE_KEY_TEST }}
          CLERK_SECRET_KEY: ${{ secrets.CLERK_SEC