Container of nullable resources the SceneLoader owns. The orchestrator passes its fields in, the helper does the disposal work, then writes the cleared state back via the clear* callbacks.
clear*
Live per-update controller (if an updateView is in flight); aborted so its reads bail.
Container of nullable resources the SceneLoader owns. The orchestrator passes its fields in, the helper does the disposal work, then writes the cleared state back via the
clear*callbacks.