Pet Vault

## [1.4.0] — 2026-08-24
### Added
- Auto-riding now covers the remaining vanilla mounts: llamas, trader llamas, nautiluses, zombie nautiluses and happy ghasts are in the `pet_vault:auto_rideable` tag, so shift-left-clicking a stored one summons and mounts it. Nautiluses and llamas were already storable, so this was the only piece missing; happy ghasts still need opting into `storableEntities` (or the `pet_vault:storable` tag) first, as they have no vanilla owner

### Fixed
- Unregistering a storable entity (e.g. an iron golem, or any type opted in via `storableEntities` / the `pet_vault:storable` tag) now returns it to unclaimed. Previously the owner marker was left behind, so the detached entity could never be stored again by anyone — including the player who released it