Marcel/update cm template

.cursorrules

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+# Collection Module Template Project Rules
+
+## Architecture Context
+
+For every conversation about code architecture, building features, or refactoring, load the Collection Module architecture patterns: 
+
+stripe_collection_module/.cursor/mcps/collection-module.mcp
+
+This file contains the architectural patterns for:
+- Services, Controllers, Clients, and Adapters
+- Dependency Injection patterns
+- Logging patterns
+- Testing patterns
+- Error handling patterns

.github/workflows/README.md

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+# GitHub Actions Workflows
+
+This directory contains automated CI/CD workflows for the Stripe Collection Module.
+
+## Available Workflows
+
+### CI Workflow (`ci.yml`)
+
+**Triggers:**
+- On push to `main`, `master`, or `develop` branches
+- On pull requests to `main`, `master`, or `develop` branches
+
+**What it does:**
+
+#### Test & Lint Job
+1. **Checkout** - Gets the code
+2. **Setup Node.js** - Installs Node.js 18.x with npm caching
+3. **Install** - Runs `npm ci` for clean dependency install
+4. **Lint** - Runs ESLint to check code quality
+5. **Test** - Runs Jest tests with coverage
+6. **Upload Coverage** - Sends coverage to Codecov (optional)
+7. **Check Thresholds** - Verifies 70% coverage threshold
+8. **Comment PR** - Posts coverage report as PR comment
+
+#### Build Job
+1. **Checkout** - Gets the code
+2. **Setup Node.js** - Installs Node.js 18.x
+3. **Install** - Runs `npm ci`
+4. **Build** - Compiles TypeScript to JavaScript
+5. **Verify** - Checks that build artifacts were created
+
+## Viewing Results
+
+### On Pull Requests
+
+When you create a PR, the CI workflow will:
+1. ✅ Run all tests and show results
+2. 📊 Post coverage report as a comment
+3. 🔍 Run linter and flag issues
+4. 🏗️ Verify the build succeeds
+
+### Status Badges
+
+Add to your README:
+
+```markdown
+[![CI](https://github.com/YOUR_USERNAME/YOUR_REPO/actions/workflows/ci.yml/badge.svg)](https://github.com/YOUR_USERNAME/YOUR_REPO/actions/workflows/ci.yml)
+```
+
+## Local Testing
+
+Before pushing, verify your changes locally:
+
+```bash
+cd stripe_collection_module
+
+# Run linter
+npm run lint
+
+# Run tests with coverage
+npm test -- --coverage
+
+# Build
+npm run build
+```
+
+## Configuration
+
+### Node Version
+
+The workflow uses Node.js 18.x to match the `.nvmrc` file.
+
+### Coverage Thresholds
+
+Tests must maintain 70% coverage across:
+- Statements
+- Branches
+- Functions
+- Lines
+
+### Caching
+
+The workflow caches npm dependencies for faster runs.
+
+## Troubleshooting
+
+### Failing Tests
+
+If tests fail in CI but pass locally:
+1. Check Node.js version matches (18.x)
+2. Clear local `node_modules` and reinstall
+3. Run `npm ci` instead of `npm install`
+4. Check for environment-specific code
+
+### Build Failures
+
+If build fails:
+1. Run `npm run build` locally
+2. Check TypeScript errors
+3. Verify all imports are correct
+4. Check `tsconfig.json` configuration
+
+### Coverage Failures
+
+If coverage is below threshold:
+1. Run `npm test -- --coverage` locally
+2. Check which files need tests
+3. Add tests to increase coverage
+4. See `docs/TESTING.md` for testing guide
+
+## Customization
+
+### Adding More Jobs
+
+To add a new job, edit `.github/workflows/ci.yml`:
+
+```yaml
+new_job_name:
+  name: My New Job
+  runs-on: ubuntu-latest
+  steps:
+    - uses: actions/checkout@v4
+    - name: Do something
+      run: echo "Hello"
+```
+
+### Changing Node Version
+
+Update the matrix in `ci.yml`:
+
+```yaml
+strategy:
+  matrix:
+    node-version: [18.x, 20.x]  # Test multiple versions
+```
+
+### Optional: Codecov Integration
+
+To enable Codecov coverage reports:
+1. Sign up at https://codecov.io
+2. Add your repository
+3. No additional config needed - workflow already includes Codecov step
+
+## Security
+
+### Secrets
+
+The workflow doesn't require secrets by default. If you add steps that need secrets:
+
+1. Add secrets in GitHub repo settings
+2. Reference in workflow:
+
+```yaml
+- name: Step using secret
+  env:
+    SECRET_NAME: ${{ secrets.SECRET_NAME }}
+  run: some-command
+```
+
+### Permissions
+
+The workflow has minimal permissions by default. It only needs:
+- Read access to code
+- Write access to comments (for coverage reporting)
+
+## Best Practices
+
+1. **Always run tests locally first**
+2. **Keep CI fast** - Don't add unnecessary steps
+3. **Fix failing tests immediately** - Don't merge with failing CI
+4. **Review coverage reports** - Maintain high coverage
+5. **Update workflows** - Keep actions up to date
+
+## Resources
+
+- [GitHub Actions Documentation](https://docs.github.com/en/actions)
+- [Jest Documentation](https://jestjs.io/)
+- [Codecov Documentation](https://docs.codecov.com/)
+

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main, master, develop]
+  pull_request:
+    branches: [main, master, develop]
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18.x
+          cache: 'npm'
+          cache-dependency-path: stripe_collection_module/package-lock.json
+
+      - name: Install dependencies
+        run: |
+          cd stripe_collection_module
+          npm ci
+
+      - name: Create env.ts for build
+        run: |
+          cd stripe_collection_module
+          cp code/env.sample.ts code/env.ts
+
+      - name: Run ESLint
+        run: |
+          cd stripe_collection_module
+          npm run lint
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18.x
+          cache: 'npm'
+          cache-dependency-path: stripe_collection_module/package-lock.json
+
+      - name: Install dependencies
+        run: |
+          cd stripe_collection_module
+          npm ci
+
+      - name: Create env.ts for build
+        run: |
+          cd stripe_collection_module
+          cp code/env.sample.ts code/env.ts
+
+      - name: Run tests with coverage
+        run: |
+          cd stripe_collection_module
+          npm test -- --coverage --ci
+
+      - name: Comment PR with coverage
+        if: github.event_name == 'pull_request'
+        uses: actions/github-script@v7
+        continue-on-error: true
+        with:
+          script: |
+            const fs = require('fs');
+            const coveragePath = './stripe_collection_module/coverage/coverage-summary.json';
+
+            if (fs.existsSync(coveragePath)) {
+              const coverage = JSON.parse(fs.readFileSync(coveragePath, 'utf8'));
+              const total = coverage.total;
+
+              const comment = `## 📊 Test Coverage Report
+
+              | Category | Coverage |
+              |----------|----------|
+              | **Statements** | ${total.statements.pct.toFixed(2)}% |
+              | **Branches** | ${total.branches.pct.toFixed(2)}% |
+              | **Functions** | ${total.functions.pct.toFixed(2)}% |
+              | **Lines** | ${total.lines.pct.toFixed(2)}% |
+
+              ${total.statements.pct >= 70 ? '✅' : '❌'} Coverage threshold: 70%
+              `;
+
+              github.rest.issues.createComment({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body: comment
+              });
+            }
+
+  build:
+    name: Build Check
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18.x
+          cache: 'npm'
+          cache-dependency-path: stripe_collection_module/package-lock.json
+
+      - name: Install dependencies
+        run: |
+          cd stripe_collection_module
+          npm ci
+
+      - name: Create env.ts for build
+        run: |
+          cd stripe_collection_module
+          cp code/env.sample.ts code/env.ts
+
+      - name: Build TypeScript
+        run: |
+          cd stripe_collection_module
+          npm run build
+          echo "✅ TypeScript compilation successful"