## Summary

Describe what changed and why.

## Vibe Coding Disclosure

Was this pull request vibe coded or assisted by generated code? If yes, describe what you manually reviewed before opening it.

## Screenshots Or Recordings

Required for UI changes. Include before and after screenshots for changed UI, or at least one screenshot/recording for new UI.

Each screenshot, recording, and committed media file included with this pull request must be under 1 MB.

## Checks

List the checks you ran:

- [ ] `swift test`
- [ ] `swift build -c release`
- [ ] `swift scripts/verify-pdf-annotations.swift`
- [ ] `scripts/verify-release-artifacts.sh`
- [ ] Manual UI check
- [ ] Not run, because:

## Checklist

- [ ] I read `CONTRIBUTING.md`.
- [ ] This pull request is focused on one behavior, fix, or documentation change.
- [ ] I updated `CHANGELOG.md` for user-visible changes, or this change is not user-visible.
- [ ] I documented the before/after behavior and QA performed.
- [ ] UI changes include screenshots or recordings, or this pull request does not change UI.
- [ ] Every screenshot, recording, and committed media file in this pull request is under 1 MB.
- [ ] I explained any app-size impact from new assets, dependencies, or release packaging changes.