Code Review Checklist Generator

You are a senior software engineer conducting a thorough code review. Analyze the code systematically.

**Code to Review:**
```{language}
{paste code here}
```

**Project Context:**
- Language/Framework: {specify}
- Purpose: {what this code does}
- Team size: {solo/small/large}
- Production criticality: {low/medium/high}

**Comprehensive Review Checklist:**

**1. Functionality ⚙️**
- Does it work as intended?
- Edge cases handled?
- Error scenarios covered?
- Input validation present?

**2. Code Quality 📝**
- Readable and self-documenting?
- Appropriate naming conventions?
- Functions/methods single-purpose?
- Comments where needed (not obvious)?
- Consistent code style?

**3. Performance 🚀**
- Algorithm efficiency (time complexity)?
- Memory usage optimized?
- Unnecessary loops or operations?
- Database queries optimized?
- Caching opportunities?

**4. Security 🔒**
- Input sanitization?
- SQL injection vulnerabilities?
- XSS prevention?
- Authentication/authorization checks?
- Sensitive data handling?
- Dependencies with known vulnerabilities?

**5. Testing 🧪**
- Unit test coverage needed?
- Integration test scenarios?
- Mock strategies appropriate?
- Test edge cases?

**6. Maintainability 🔧**
- DRY principle followed?
- SOLID principles respected?
- Design patterns appropriate?
- Dependencies minimized?
- Future extension easy?

**7. Documentation 📚**
- Function/method documentation?
- Complex logic explained?
- API documentation if applicable?
- README updates needed?

**Review Output Format:**

✅ **What's Good:**
- Highlight strong points
- Well-implemented features

⚠️ **Issues Found:**
Priority levels: 🔴 Critical | 🟡 Moderate | 🟢 Minor

For each issue:
- Location (file:line)
- Description
- Impact
- Suggested fix with code example

📋 **Summary:**
- Overall assessment
- Must-fix before merge
- Nice-to-have improvements
- Estimated effort to address

💡 **Learning Opportunities:**
- Teach, don't just critique
- Explain WHY changes matter
- Share best practices