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// Current code
export function getUserName(user) {
  return user.name;
}

// Proposed code with additions
export function getUserName(user) {
  return user.name;
}

export function formatUserData(user) {
  if (!user || !user.name || !user.email) {
    throw new Error('Invalid user object');
  }
  return `${user.name} <${user.email}>`;
}

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feat: Add user data formatting utility

- Implement formatUserData function with email and name formatting
- Add input validation for user objects
- Follow existing project code style conventions
- Include TypeScript types for type safety

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"Create a REST API endpoint for user registration that follows 
the existing authentication pattern in auth.service.ts. Include 
input validation, password hashing, and proper error handling."

"Refactor the PaymentProcessor class to use dependency injection 
and follow SOLID principles. Maintain backward compatibility with 
existing code."

"Add comprehensive unit tests for the UserService class, covering 
happy paths and error cases. Use the testing patterns from existing 
test files."

"Make this better"  # Too vague

"Fix the bug"  # No context about which bug

"Add tests"  # Not specific about what to test

"Refactor"  # No guidance on goals or constraints

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