Form Submit with fields.set only runs if hidden fields are added.

Describe the bug

When setting fields according to data (i.e. for an edit form), the form will not submit without hidden fields. Not sure if this is intentional. But I imagine it would be nice, to set fields including hidden files via fields.set as to not need to add hidden fields anymore. The form does not submit without all fields as inputs though.

<script lang="ts">
	import { updatePage, getPages } from '$lib/db/remotes/page.remote';
	const pages = $derived(await getPages());

	updatePage.fields.set({
		pageId: '6964aeb9dbcf6670463f4e4d',
		title: 'test',
		slug: 'slugtest',
		parentId: undefined
	});
</script>

<form {...updatePage}>
	<label>
		Title
		<input {...updatePage.fields.title.as('text')} />
	</label>
	<label>
		Slug
		<input {...updatePage.fields.slug.as('text')} />
	</label>

	<label>
		Parent Page id
		<select {...updatePage.fields.parentId.as('select')}>
			{#each pages as page}
				<option value={page.id} selected={page.id == updatePage.fields.parentId.value()}>
					{page.title}
				</option>
			{/each}
		</select>
	</label>

	<button type="submit">Save</button>
</form>

Reproduction

Setup remote form with valibot. Create form in +page.svelte without one of the necessary fields as seen in the code above.

Logs

System Info

not relevant

Severity

annoyance

Additional Information

No response

Start with the remote form setup and the reproduction in +page.svelte, then trace the fields.set submission path. Confirm the behavior with the shown fields and missing hidden fields; done means the form submits when fields are set without requiring hidden inputs.