Problems

Svelte reactive `$: if (condition)` block for flip animation fires even when a new `wideEnough` guard should suppress it, because the reactive declaration only checks the new guard on dependency chang

Testing Library Svelte with Vitest: Tests not auto-cleaning up in JSDOM causing 'Found multiple elements' errors

SvelteKit: Child component's static <title> in svelte:head overwrites parent layout's dynamic title