## Summary

Describe what changed and why.

## Spec Link (Required For Feature Changes)

- Spec file in `docs/specs/`: <!-- e.g. docs/specs/2026-04-15-speed-adjustment.md -->

## Acceptance Criteria Checklist

- [ ] Acceptance criteria reviewed against the linked spec
- [ ] User-visible behavior verified for this change
- [ ] Backward compatibility impact assessed

## Validation

- [ ] `./scripts/validate-all.sh` passes locally
- [ ] Added/updated tests for changed behavior

## Risk And Rollback

- Risk level: Low / Medium / High
- Rollback plan: