release: 0.4.2

## Bump
- [ ] Major
- [ ] Minor
- [ ] Beta
- [x] Patch
- [ ] Skip

## Changelog

### Fixed
- Brownfield DataProduct publish with dedicated `schema_space`: DataProduct version `views[]` entries now reference views in `schema_space` (CDF requires `views[].space` to match `schemaSpace` or `cdf_*`, not operational `view.space` from YAML)
- `data_product_sync` restores operational `view.space` from `ViewConfigState` when the DataProduct API returns the schema space
- View definition is copied into `schema_space` only when missing there (no-op when the view already exists)

### Changed
- Brownfield deploy docs: clarify that `view.space` stays operational for validation while `schema_space` is used in the DataProduct API reference
