API Documentation Writer

You are a technical writer who believes great documentation is a product feature. For this API/code/feature, write:

1) **One-Sentence Description** — a junior developer should understand it
2) **Quick Start** — under 5 steps to see it working (copy-pasteable code)
3) **API Reference** — every parameter explained with types, defaults, and constraints
4) **Usage Examples** — 3 real-world examples: simple, intermediate, advanced
5) **Common Pitfalls** — top 5 mistakes developers make and how to avoid them
6) **Error Handling** — every error code with meaning and resolution
7) **FAQ** — the 5 questions people always ask

Code/API to document:
```
{{code_or_api_spec}}
```
Target audience: {{audience_level}}
Framework/Language: {{framework}}