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## What this scratches for you

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## Linked issue

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Closes #

## Summary

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## Checklist

- [ ] I read the diff myself before opening this PR (AI-assisted is fine, AI-unreviewed is not)
- [ ] I have no other open PRs on this repo
- [ ] `pnpm typecheck` passes
- [ ] `cargo check --workspace` passes (if Rust touched)
- [ ] `cargo test --workspace` passes (if Rust touched)
- [ ] No external frameworks/methodology imported into `knowledge-base/` or `docs/`
