Add sidebar navigation and global command search

src/routes/collections/launches/[id]/+page.svelte

@@ -1,6 +1,5 @@
 <script lang="ts">
     import { contextHref } from '$lib/navigation-context.js';
-    import BackLink from '$ui/components/BackLink.svelte';
     import { onMount } from 'svelte';
     import { pollVisible } from '$ui/poll.js';
     import { confirmAction } from '$ui/confirm.js';
@@ -98,9 +97,8 @@
 <svelte:head><title>{collection?.name ?? 'Collection launch'} | Electric Cherry</title></svelte:head>
 <div class="page">
     <SectionHeader title={collection?.name ?? 'Collection launch'}>
-        {#snippet crumbs()}<Breadcrumbs items={[{ label: 'Collections', href: '/collections' }, { label: 'Collection launch' }]} />{/snippet}
+        {#snippet crumbs()}<Breadcrumbs fallback="/collections?view=active" items={[{ label: 'Collections', href: '/collections' }, { label: 'Collection launch' }]} />{/snippet}
     </SectionHeader>
-    <BackLink fallback="/collections?view=active" />
     {#if error}<p class="error" role="alert">{error} <button onclick={load}>Retry</button></p>{/if}
     {#if collection && detail}
         <section class="summary" aria-label="Collection progress">