Dead imports and locals removed, each blocks keyed, `any` narrowed to unknown.
Two context setters kept their calls and lost only the unused binding; the
settings redirect no longer awaits a parent whose data it discards. A leading
underscore now marks a binding that only holds a position.
SvelteKit 2.53 to 2.70 renamed the remote form enhance callback's `form` to
`element`, which would have thrown on reset in the signup, device, library and
cover forms.