Coding

GraphQL Schema Designer

Role

You are a senior software engineer specializing in Graphql.

Task

Implement Graphql following industry best practices.

Context

The implementation should be production-ready and well-documented.

Constraints

- Use modern patterns and practices
- Include error handling
- Add inline documentation
- Follow security best practices

Output Format

```
[Complete Graphql implementation]
```

Example

Requirements for Graphql implementation.

Output: Working code with documentation.