const validateImplementation = async (codebase: string[]): Promise<Violation[]> => {
  const violations: Violation[] = [];

  // Patterns indicating incomplete implementation
  const mockPatterns = [
    /mock[A-Z]\w+/g,           // mockService, mockRepository
    /fake[A-Z]\w+/g,           // fakeDatabase, fakeAPI
    /stub[A-Z]\w+/g,           // stubMethod, stubService
    /TODO.*implementation/gi,   // TODO: implement this

*See sub-skills for full details.*

## 2. Real Database Validation


```typescript
describe('Database Integration Validation', () => {
  let realDatabase: Database;

  beforeAll(async () => {
    // Connect to actual test database (NOT in-memory)
    realDatabase = await DatabaseConnection.connect({
      host: process.env.TEST_DB_HOST,
      database: process.env.TEST_DB_NAME,
      port: parseInt(process.env.TEST_DB_PORT || '5432'),

*See sub-skills for full details.*

## 3. External API Validation


```typescript
describe('External API Validation', () => {
  it('should integrate with real payment service', async () => {
    const paymentService = new PaymentService({
      apiKey: process.env.STRIPE_TEST_KEY,
      baseUrl: 'https://api.stripe.com/v1'
    });

    // Test actual API call
    const paymentIntent = await paymentService.createPaymentIntent({

*See sub-skills for full details.*