## Summary

- What changed?
- Why did it change?

## Validation

- [ ] `pnpm test`
- [ ] `pnpm typecheck`
- [ ] `pnpm lint`
- [ ] `pnpm perf:check` (if touched runtime, projection, or performance-sensitive code)
- [ ] `git diff --check`

## User-visible impact

- [ ] No user-visible behavior change
- [ ] UI change
- [ ] Runtime behavior change
- [ ] Packaging / release change
- [ ] Docs change

## Notes

- Risks, caveats, or follow-up work:
