The previous one-way `{value}` + manual `oninput` rewrite let Svelte
re-set the input's DOM value whenever navigation completed, which moved
the cursor (and on some browsers, blurred the input) mid-typing. Switch
to Svelte 5's `bind:value` — it skips DOM writes when the JS value
already matches the DOM, so the user's typing isn't disturbed.
The URL-resync `\$effect` is unchanged: it still updates `value` for
back/forward navigation but is a no-op during normal typing because the
debounce already wrote the matching URL.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
bvandeusen
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