## Summary
<!-- 1-3 bullet points: what changed and why -->

-

## Motivation (optional)
<!-- Why this change is needed. Link issues if applicable. -->

## Changes
<!-- File-level change list: what each file does -->

| File | Change |
|------|--------|
| | |

## Usage (optional)
<!-- Code snippets, CLI examples, or config samples showing how to use the new feature -->

## Test plan

- [ ] `pnpm typecheck` passes
- [ ] `pnpm test` passes (all existing + new tests)
- [ ] Manual verification: <!-- describe manual test steps -->

## Breaking changes (optional)
<!-- List any breaking changes to public API, CLI flags, config format, etc. -->