diff --git a/frontend/src/routes/+page.svelte b/frontend/src/routes/+page.svelte
index 090588c..dd66464 100644
--- a/frontend/src/routes/+page.svelte
+++ b/frontend/src/routes/+page.svelte
@@ -346,6 +346,12 @@
 					>
 						Graf
 					</a>
+					<a
+						href="/collection/new"
+						class="rounded-lg bg-indigo-600 px-3 py-1.5 text-sm font-medium text-white hover:bg-indigo-700"
+					>
+						Ny samling
+					</a>
 					<button
 						onclick={handleNewBoard}
 						disabled={isCreatingBoard}
diff --git a/frontend/src/routes/collection/new/+page.svelte b/frontend/src/routes/collection/new/+page.svelte
new file mode 100644
index 0000000..44f33a3
--- /dev/null
+++ b/frontend/src/routes/collection/new/+page.svelte
@@ -0,0 +1,457 @@
+<script lang="ts">
+	import { page } from '$app/stores';
+	import { goto } from '$app/navigation';
+	import { connectionState } from '$lib/spacetime';
+	import { createNode, createEdge } from '$lib/api';
+
+	const session = $derived($page.data.session as Record<string, unknown> | undefined);
+	const nodeId = $derived(session?.nodeId as string | undefined);
+	const accessToken = $derived(session?.accessToken as string | undefined);
+	const connected = $derived(connectionState.current === 'connected');
+
+	// =========================================================================
+	// Trait-katalog (kategorisert)
+	// =========================================================================
+
+	interface TraitCategory {
+		label: string;
+		traits: string[];
+	}
+
+	const traitCatalog: TraitCategory[] = [
+		{ label: 'Innhold & redigering', traits: ['editor', 'versioning', 'collaboration', 'translation', 'templates'] },
+		{ label: 'Publisering & distribusjon', traits: ['publishing', 'rss', 'newsletter', 'custom_domain', 'analytics', 'embed', 'api'] },
+		{ label: 'Lyd & video', traits: ['podcast', 'recording', 'transcription', 'tts', 'clips', 'playlist'] },
+		{ label: 'Kommunikasjon', traits: ['chat', 'forum', 'comments', 'guest_input', 'announcements', 'polls', 'qa'] },
+		{ label: 'Organisering', traits: ['kanban', 'calendar', 'timeline', 'table', 'gallery', 'bookmarks', 'tags'] },
+		{ label: 'Kunnskap', traits: ['knowledge_graph', 'wiki', 'glossary', 'faq', 'bibliography'] },
+		{ label: 'Automatisering & AI', traits: ['auto_tag', 'auto_summarize', 'digest', 'bridge', 'moderation'] },
+		{ label: 'Tilgang & fellesskap', traits: ['membership', 'roles', 'invites', 'paywall', 'directory'] },
+		{ label: 'Ekstern integrasjon', traits: ['webhook', 'import', 'export', 'ical_sync'] },
+	];
+
+	// =========================================================================
+	// Pakkedefinisjoner
+	// =========================================================================
+
+	interface Package {
+		id: string;
+		name: string;
+		description: string;
+		icon: string;
+		traits: Record<string, Record<string, unknown>>;
+	}
+
+	const packages: Package[] = [
+		{
+			id: 'nettmagasin',
+			name: 'Nettmagasin',
+			description: 'Publiser artikler med RSS, kommentarer og nyhetsbrev',
+			icon: '📰',
+			traits: {
+				editor: { preset: 'longform' },
+				publishing: {},
+				rss: {},
+				comments: {},
+				analytics: {},
+				custom_domain: {},
+				newsletter: {},
+			},
+		},
+		{
+			id: 'podcaststudio',
+			name: 'Podcaststudio',
+			description: 'Podcast med opptak, transkripsjon og kunnskapsgraf',
+			icon: '🎙️',
+			traits: {
+				podcast: {},
+				recording: {},
+				transcription: {},
+				editor: { preset: 'shownotes' },
+				rss: {},
+				analytics: {},
+				clips: {},
+				knowledge_graph: {},
+			},
+		},
+		{
+			id: 'nyhetsbrev',
+			name: 'Nyhetsbrev',
+			description: 'Skriv og distribuer nyhetsbrev med analyse',
+			icon: '✉️',
+			traits: {
+				editor: { preset: 'longform' },
+				newsletter: {},
+				analytics: {},
+				versioning: {},
+			},
+		},
+		{
+			id: 'wiki',
+			name: 'Wiki',
+			description: 'Samarbeidende kunnskapsbase med versjonering',
+			icon: '📚',
+			traits: {
+				wiki: {},
+				editor: { preset: 'longform' },
+				collaboration: {},
+				versioning: {},
+				knowledge_graph: {},
+				glossary: {},
+			},
+		},
+		{
+			id: 'diskusjonsklubb',
+			name: 'Diskusjonsklubb',
+			description: 'Forum, chat og avstemninger for en gruppe',
+			icon: '💬',
+			traits: {
+				forum: {},
+				chat: {},
+				polls: {},
+				membership: {},
+				roles: {},
+				directory: {},
+			},
+		},
+		{
+			id: 'kursplattform',
+			name: 'Kursplattform',
+			description: 'Kursinnhold med spillelister, Q&A og betaling',
+			icon: '🎓',
+			traits: {
+				editor: { preset: 'longform' },
+				playlist: {},
+				qa: {},
+				membership: {},
+				paywall: {},
+				templates: {},
+			},
+		},
+		{
+			id: 'moteplass',
+			name: 'Møteplass',
+			description: 'Opptak, chat, kanban og kalender for møter',
+			icon: '🤝',
+			traits: {
+				recording: {},
+				chat: {},
+				kanban: {},
+				calendar: {},
+				auto_summarize: {},
+				guest_input: {},
+			},
+		},
+		{
+			id: 'fotoblogg',
+			name: 'Fotoblogg',
+			description: 'Bildegalleri med publisering og kommentarer',
+			icon: '📷',
+			traits: {
+				gallery: {},
+				publishing: {},
+				comments: {},
+				custom_domain: {},
+				rss: {},
+			},
+		},
+		{
+			id: 'prosjektstyring',
+			name: 'Prosjektstyring',
+			description: 'Kanban, kalender og chat for teamarbeid',
+			icon: '📋',
+			traits: {
+				kanban: {},
+				calendar: {},
+				chat: {},
+				table: {},
+				tags: {},
+				roles: {},
+			},
+		},
+		{
+			id: 'forskning',
+			name: 'Åpen forskning',
+			description: 'Akademisk publisering med versjonering og bibliografi',
+			icon: '🔬',
+			traits: {
+				editor: { preset: 'longform' },
+				versioning: {},
+				bibliography: {},
+				publishing: {},
+				comments: {},
+				collaboration: {},
+				api: {},
+			},
+		},
+		{
+			id: 'community-radio',
+			name: 'Community radio',
+			description: 'Opptak, podcast, chat og avstemninger',
+			icon: '📻',
+			traits: {
+				recording: {},
+				podcast: {},
+				chat: {},
+				polls: {},
+				membership: {},
+				clips: {},
+				playlist: {},
+			},
+		},
+		{
+			id: 'bokmerke-vegg',
+			name: 'Bokmerke-vegg',
+			description: 'Kuraterte lenker med tags og kommentarer',
+			icon: '🔖',
+			traits: {
+				bookmarks: {},
+				tags: {},
+				publishing: {},
+				rss: {},
+				comments: {},
+			},
+		},
+		{
+			id: 'redaksjon',
+			name: 'Redaksjon',
+			description: 'Redaksjonelt arbeid med chat, kanban og kalender',
+			icon: '🗞️',
+			traits: {
+				chat: {},
+				kanban: {},
+				calendar: {},
+				editor: { preset: 'longform' },
+				knowledge_graph: {},
+				guest_input: {},
+			},
+		},
+	];
+
+	// =========================================================================
+	// State
+	// =========================================================================
+
+	type Mode = 'select' | 'custom';
+
+	let mode: Mode = $state('select');
+	let selectedPackage: Package | null = $state(null);
+	let title = $state('');
+	let customTraits: Set<string> = $state(new Set());
+	let isCreating = $state(false);
+	let error: string | null = $state(null);
+
+	/** Currently active traits (from package or custom selection) */
+	const activeTraits = $derived.by((): Record<string, Record<string, unknown>> => {
+		if (mode === 'select' && selectedPackage) {
+			return selectedPackage.traits;
+		}
+		if (mode === 'custom') {
+			const result: Record<string, Record<string, unknown>> = {};
+			for (const t of customTraits) {
+				result[t] = {};
+			}
+			return result;
+		}
+		return {};
+	});
+
+	const activeTraitCount = $derived(Object.keys(activeTraits).length);
+
+	const canCreate = $derived(
+		title.trim().length > 0 && activeTraitCount > 0 && !isCreating
+	);
+
+	function selectPackage(pkg: Package) {
+		selectedPackage = pkg;
+		mode = 'select';
+	}
+
+	function enterCustomMode() {
+		mode = 'custom';
+		selectedPackage = null;
+	}
+
+	function toggleTrait(trait: string) {
+		const next = new Set(customTraits);
+		if (next.has(trait)) {
+			next.delete(trait);
+		} else {
+			next.add(trait);
+		}
+		customTraits = next;
+	}
+
+	async function handleCreate() {
+		if (!canCreate || !accessToken || !nodeId) return;
+		isCreating = true;
+		error = null;
+
+		try {
+			const { node_id } = await createNode(accessToken, {
+				node_kind: 'collection',
+				title: title.trim(),
+				visibility: 'hidden',
+				metadata: { traits: activeTraits },
+			});
+
+			await createEdge(accessToken, {
+				source_id: nodeId,
+				target_id: node_id,
+				edge_type: 'owner',
+			});
+
+			goto(`/collection/${node_id}`);
+		} catch (e) {
+			error = e instanceof Error ? e.message : 'Ukjent feil';
+			isCreating = false;
+		}
+	}
+</script>
+
+<div class="min-h-screen bg-gray-50">
+	<!-- Header -->
+	<header class="border-b border-gray-200 bg-white">
+		<div class="mx-auto flex max-w-4xl items-center justify-between px-4 py-3">
+			<div class="flex items-center gap-3">
+				<a href="/" class="text-sm text-gray-400 hover:text-gray-600">&larr; Mottak</a>
+				<h1 class="text-lg font-semibold text-gray-900">Ny samling</h1>
+			</div>
+			{#if connected}
+				<span class="text-xs text-green-600">Tilkoblet</span>
+			{:else}
+				<span class="text-xs text-gray-400">{connectionState.current}</span>
+			{/if}
+		</div>
+	</header>
+
+	<main class="mx-auto max-w-4xl px-4 py-6">
+		{#if !connected}
+			<p class="text-sm text-gray-400">Venter på tilkobling…</p>
+		{:else if !accessToken || !nodeId}
+			<div class="rounded-lg border border-yellow-200 bg-yellow-50 p-4 text-sm text-yellow-800">
+				<p class="font-medium">Ikke innlogget</p>
+				<p class="mt-1">Du må være innlogget for å opprette samlinger.</p>
+			</div>
+		{:else}
+			<!-- Title input -->
+			<div class="mb-6">
+				<label for="collection-title" class="mb-1 block text-sm font-medium text-gray-700">
+					Navn på samling
+				</label>
+				<input
+					id="collection-title"
+					type="text"
+					bind:value={title}
+					placeholder="F.eks. «Sidelinja Podcast» eller «Teamets wiki»"
+					class="w-full rounded-lg border border-gray-300 px-3 py-2 text-sm focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500 focus:outline-none"
+				/>
+			</div>
+
+			<!-- Mode tabs -->
+			<div class="mb-4 flex gap-2">
+				<button
+					onclick={() => { mode = 'select'; }}
+					class="rounded-lg px-3 py-1.5 text-sm font-medium transition-colors {mode === 'select' ? 'bg-indigo-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'}"
+				>
+					Velg pakke
+				</button>
+				<button
+					onclick={enterCustomMode}
+					class="rounded-lg px-3 py-1.5 text-sm font-medium transition-colors {mode === 'custom' ? 'bg-indigo-600 text-white' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'}"
+				>
+					Velg traits manuelt
+				</button>
+			</div>
+
+			{#if mode === 'select'}
+				<!-- Package grid -->
+				<div class="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
+					{#each packages as pkg (pkg.id)}
+						<button
+							onclick={() => selectPackage(pkg)}
+							class="rounded-lg border p-4 text-left transition-all {selectedPackage?.id === pkg.id
+								? 'border-indigo-500 bg-indigo-50 ring-2 ring-indigo-200'
+								: 'border-gray-200 bg-white hover:border-gray-300 hover:shadow-sm'}"
+						>
+							<div class="mb-1 text-2xl">{pkg.icon}</div>
+							<h3 class="font-medium text-gray-900">{pkg.name}</h3>
+							<p class="mt-0.5 text-xs text-gray-500">{pkg.description}</p>
+							<div class="mt-2 flex flex-wrap gap-1">
+								{#each Object.keys(pkg.traits) as trait (trait)}
+									<span class="rounded-full bg-gray-100 px-1.5 py-0.5 text-[10px] text-gray-500">
+										{trait}
+									</span>
+								{/each}
+							</div>
+						</button>
+					{/each}
+				</div>
+			{:else}
+				<!-- Custom trait selector -->
+				<div class="space-y-4">
+					{#each traitCatalog as category (category.label)}
+						<div>
+							<h3 class="mb-2 text-xs font-semibold tracking-wide text-gray-400 uppercase">
+								{category.label}
+							</h3>
+							<div class="flex flex-wrap gap-2">
+								{#each category.traits as trait (trait)}
+									<button
+										onclick={() => toggleTrait(trait)}
+										class="rounded-full border px-3 py-1 text-sm transition-colors {customTraits.has(trait)
+											? 'border-indigo-500 bg-indigo-50 text-indigo-700'
+											: 'border-gray-200 bg-white text-gray-600 hover:border-gray-300'}"
+									>
+										{trait}
+									</button>
+								{/each}
+							</div>
+						</div>
+					{/each}
+				</div>
+			{/if}
+
+			<!-- Summary & create -->
+			{#if activeTraitCount > 0}
+				<div class="mt-6 rounded-lg border border-gray-200 bg-white p-4">
+					<div class="mb-3 flex items-center justify-between">
+						<h3 class="text-sm font-medium text-gray-700">
+							{#if mode === 'select' && selectedPackage}
+								Pakke: {selectedPackage.name}
+							{:else}
+								Egendefinert samling
+							{/if}
+							<span class="ml-1 text-gray-400">({activeTraitCount} traits)</span>
+						</h3>
+					</div>
+					<div class="mb-4 flex flex-wrap gap-1">
+						{#each Object.keys(activeTraits) as trait (trait)}
+							<span class="rounded-full bg-indigo-50 px-2 py-0.5 text-xs font-medium text-indigo-600">
+								{trait}
+							</span>
+						{/each}
+					</div>
+
+					{#if error}
+						<div class="mb-3 rounded border border-red-200 bg-red-50 px-3 py-2 text-sm text-red-700">
+							{error}
+						</div>
+					{/if}
+
+					<button
+						onclick={handleCreate}
+						disabled={!canCreate}
+						class="rounded-lg bg-indigo-600 px-4 py-2 text-sm font-medium text-white hover:bg-indigo-700 disabled:opacity-50 disabled:cursor-not-allowed"
+					>
+						{#if isCreating}
+							Oppretter…
+						{:else}
+							Opprett samling
+						{/if}
+					</button>
+				</div>
+			{/if}
+		{/if}
+	</main>
+</div>
diff --git a/tasks.md b/tasks.md
index 5563c03..f92953b 100644
--- a/tasks.md
+++ b/tasks.md
@@ -132,8 +132,7 @@ Uavhengige faser kan fortsatt plukkes.
 
 - [x] 13.1 Trait-metadata på samlingsnoder: maskinrommet validerer `metadata.traits`-objektet ved `create_node` og `update_node` for samlingsnoder. Avvis ukjente trait-navn. Ref: `docs/primitiver/traits.md`.
 - [x] 13.2 Trait-aware frontend: samlingssider leser `traits` fra metadata og rendrer kun aktive komponenter. Dynamisk komponent-lasting basert på trait-liste.
-- [~] 13.3 Pakkevelger: UI for å opprette ny samling med forhåndsdefinert pakke (nettmagasin, podcaststudio, redaksjon osv.) eller manuelt valg av traits.
-  > Påbegynt: 2026-03-18T00:21
+- [x] 13.3 Pakkevelger: UI for å opprette ny samling med forhåndsdefinert pakke (nettmagasin, podcaststudio, redaksjon osv.) eller manuelt valg av traits.
 - [ ] 13.4 Trait-administrasjon: admin-UI for å legge til/fjerne traits på eksisterende samlinger med konfigurasjon per trait.
 
 ## Fase 14: Publisering