## Summary
- Adds `@types/node-fetch` as a dev dependency for improved TypeScript
type support

## Test plan
- All existing tests pass
- TypeScript compilation succeeds

#skip-bugbot

🤖 Generated with [Claude Code](https://claude.com/claude-code)
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<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Add @types/node-fetch (^2.6.13) as a dev dependency to provide
TypeScript types for node-fetch. Improves type safety and editor
autocomplete for code using fetch in Node.

<sup>Written for commit 43975a34f2a5b5675c47917721cf9eb8705ef80a.
Summary will update on new commits.</sup>

<!-- End of auto-generated description by cubic. -->
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>