<script module> exports aren't recognised

[Rich-Harris]

Describe the bug

Reproduction

in a fresh SvelteKit project with Svelte 5 selected:

<!-- src/lib/Component.svelte -->
<script lang="ts" module>
  export function myFn(param: string) {
    return param + 'pam' + 'pam';
  }
</script>

<!-- src/routes/+page.svelte -->
<script lang="ts">
  import { myFn } from '$lib/Component.svelte';
</script>

<h1>{myFn('whee')}</h1>

Expected behaviour

for it to work

System Info

• OS: MacoS
• IDE: VSCode

Which package is the issue about?

Svelte for VS Code extension

Additional Information, eg. Screenshots

No response