## Summary
- Register Wikipedia component + tool alias
`wikipedia`/`wikipedia_search`
- Use `generator=search` to get title/summary/url in one request (was
N+1)
- Node params `top_n`/`language` with validation
- Return `formalized_content` for downstream
- tests pass
<img width="1817" height="972" alt="image"
src="https://github.com/user-attachments/assets/f6d79599-6d1f-4ea6-84f7-ac06d0de13b0"
/>
