## Description

<!-- What does this PR do? Why is it needed? -->

## Related Issues

<!-- Link related issues, e.g. "Fixes #123" -->

## Type of Change

- [ ] Bug fix
- [ ] New feature
- [ ] Refactor (no functional change)
- [ ] Documentation
- [ ] Other (describe below)

## Checklist

- [ ] Code follows project conventions
- [ ] `flutter analyze` and `flutter test` pass
- [ ] `go vet ./...` and `go test ./...` pass in `go_backend/` (if Go code changed)
- [ ] Documentation updated (if needed)
- [ ] Commit messages follow the [conventional commits](https://www.conventionalcommits.org) format

## Screenshots

<!-- For UI changes, add before/after screenshots. Delete this section otherwise. -->
