feat(dashboard): add ThemenWidget to reader and editor sidebar layouts

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/routes/+page.svelte

@@ -10,6 +10,7 @@ import ReaderPersonChips from '$lib/shared/dashboard/ReaderPersonChips.svelte';
 import ReaderDraftsModule from '$lib/shared/dashboard/ReaderDraftsModule.svelte';
 import ReaderRecentDocs from '$lib/shared/dashboard/ReaderRecentDocs.svelte';
 import ReaderRecentStories from '$lib/shared/dashboard/ReaderRecentStories.svelte';
+import ThemenWidget from '$lib/shared/dashboard/ThemenWidget.svelte';
 import { m } from '$lib/paraglide/messages.js';
 
 let { data } = $props();
@@ -45,6 +46,8 @@ const greetingText = $derived.by(() => {
 
 			<ReaderPersonChips persons={data.topPersons ?? []} />
 
+			<ThemenWidget tags={data.tagTree ?? []} />
+
 			<div class="grid grid-cols-1 gap-1.5 sm:grid-cols-2">
 				<ReaderRecentDocs documents={data.recentDocs ?? []} />
 				<ReaderRecentStories stories={data.recentStories ?? []} />
@@ -82,6 +85,7 @@ const greetingText = $derived.by(() => {
 
 			<div class="flex flex-col gap-5 lg:sticky lg:top-[80px]">
 				<DashboardFamilyPulse pulse={data.pulse ?? null} />
+				<ThemenWidget tags={data.tagTree ?? []} compact={true} />
 				<DashboardActivityFeed feed={data.activityFeed ?? []} />
 				{#if data.canWrite}
 					<DropZone onUploadComplete={(count) => (bannerCount = count)} />