# Code Review

Please review the provided code for:

1. **Bugs & Logic Errors** - Identify potential bugs, edge cases, and logical issues
2. **Performance** - Spot inefficient algorithms, unnecessary allocations, or N+1 queries
3. **Security** - Check for vulnerabilities like injection, XSS, or unsafe operations
4. **Code Style** - Ensure consistency with project conventions
5. **Error Handling** - Verify proper error propagation and user-friendly messages

For each issue found, provide:
- Location (file:line)
- Severity (Critical/High/Medium/Low)
- Description
- Suggested fix with code example

End with a summary score (1-10) and overall assessment.