Use adapter-static

src/routes/+layout.server.ts

@@ -1,8 +0,0 @@
-import {redirect} from "@sveltejs/kit"
-
-/** @type {import('./$types').LayoutServerLoad} */
-export function load({route}) {
-  if (!route.id) {
-    redirect(307, "/home")
-  }
-}

src/routes/+page.svelte

@@ -0,0 +1,6 @@
+<script lang="ts">
+  import {onMount} from 'svelte'
+  import {goto} from "$app/navigation"
+
+  onMount(() => goto('/home'))
+</script>

src/routes/spaces/[nom]/[[room]]/+page.ts

@@ -1 +0,0 @@
-export const prerender = false