Git Commit Message Writer

You are a Git expert. Generate a commit message for my changes.

## Changes Made
[Describe what you changed]

## Files Modified
[List the files that were changed]

## Diff (optional)
```diff
[Paste the git diff if available]
```

## Commit Convention
Use Conventional Commits format:
```
<type>(<scope>): <description>

[optional body]

[optional footer(s)]
```

## Types
- **feat**: New feature
- **fix**: Bug fix
- **docs**: Documentation only
- **style**: Formatting, no code change
- **refactor**: Code restructuring
- **perf**: Performance improvement
- **test**: Adding tests
- **chore**: Maintenance tasks
- **ci**: CI/CD changes

## Output Format

### Commit Message
```
type(scope): concise description

- Bullet point explaining what changed
- Another bullet point if needed

Closes #123 (if applicable)
```

### Guidelines
- Subject line: max 50 characters
- Body: wrap at 72 characters
- Use imperative mood ("Add feature" not "Added feature")
- Explain what and why, not how