add: local wishlists stored in local storage for anonymous users

src/lib/components/dashboard/LocalWishlistsSection.svelte

@@ -0,0 +1,93 @@
+<script lang="ts">
+	import { Button } from '$lib/components/ui/button';
+	import WishlistSection from '$lib/components/dashboard/WishlistSection.svelte';
+	import { getLocalWishlists, forgetLocalWishlist, toggleLocalFavorite, type LocalWishlist } from '$lib/utils/localWishlists';
+	import { languageStore } from '$lib/stores/language.svelte';
+	import { Star } from 'lucide-svelte';
+	import { onMount } from 'svelte';
+
+	let {
+		isAuthenticated = false
+	}: {
+		isAuthenticated?: boolean;
+	} = $props();
+
+	const t = $derived(languageStore.t);
+
+	let localWishlists = $state<LocalWishlist[]>([]);
+
+	// Load local wishlists on mount (client-side only)
+	onMount(() => {
+		localWishlists = getLocalWishlists();
+	});
+
+	function handleForget(ownerToken: string) {
+		forgetLocalWishlist(ownerToken);
+		localWishlists = getLocalWishlists();
+	}
+
+	function handleToggleFavorite(ownerToken: string) {
+		toggleLocalFavorite(ownerToken);
+		localWishlists = getLocalWishlists();
+	}
+
+	// Transform LocalWishlist to match the format expected by WishlistSection
+	const transformedWishlists = $derived(() => {
+		return localWishlists.map(w => ({
+			id: w.ownerToken,
+			title: w.title,
+			ownerToken: w.ownerToken,
+			publicToken: w.publicToken,
+			createdAt: w.createdAt,
+			isFavorite: w.isFavorite || false,
+			items: [] // We don't have item data in localStorage
+		}));
+	});
+</script>
+
+{#if localWishlists.length > 0}
+	<WishlistSection
+		title={t.dashboard.localWishlists || "Local Wishlists"}
+		description={t.dashboard.localWishlistsDescription || "Wishlists stored in your browser. Sign in to save them permanently."}
+		items={transformedWishlists()}
+		emptyMessage=""
+	>
+		{#snippet actions(wishlist, unlocked)}
+			<div class="flex gap-2 flex-wrap">
+				<Button
+					size="sm"
+					variant="outline"
+					onclick={() => handleToggleFavorite(wishlist.ownerToken)}
+				>
+					<Star class={wishlist.isFavorite ? "fill-yellow-500 text-yellow-500" : ""} />
+				</Button>
+				<Button
+					size="sm"
+					onclick={() => (window.location.href = `/wishlist/${wishlist.ownerToken}/edit`)}
+				>
+					{t.dashboard.manage}
+				</Button>
+				<Button
+					size="sm"
+					variant="outline"
+					onclick={() => {
+						navigator.clipboard.writeText(
+							`${window.location.origin}/wishlist/${wishlist.publicToken}`
+						);
+					}}
+				>
+					{t.dashboard.copyLink}
+				</Button>
+				{#if unlocked}
+					<Button
+						size="sm"
+						variant="destructive"
+						onclick={() => handleForget(wishlist.ownerToken)}
+					>
+						{t.dashboard.forget || "Forget"}
+					</Button>
+				{/if}
+			</div>
+		{/snippet}
+	</WishlistSection>
+{/if}

src/lib/components/layout/DashboardHeader.svelte

@@ -8,16 +8,25 @@
 	let { userName, userEmail }: { userName?: string | null; userEmail?: string | null } = $props();
 
 	const t = $derived(languageStore.t);
+	const isAuthenticated = $derived(!!userName || !!userEmail);
 </script>
 
 <div class="flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
 	<div class="flex-1 min-w-0">
 		<h1 class="text-3xl font-bold">{t.nav.dashboard}</h1>
-		<p class="text-muted-foreground truncate">{t.dashboard.welcomeBack}, {userName || userEmail}</p>
+		{#if isAuthenticated}
+			<p class="text-muted-foreground truncate">{t.dashboard.welcomeBack}, {userName || userEmail}</p>
+		{:else}
+			<p class="text-muted-foreground">{t.dashboard.anonymousDashboard || "Your local wishlists"}</p>
+		{/if}
 	</div>
 	<div class="flex items-center gap-1 sm:gap-2 flex-shrink-0">
 		<LanguageToggle />
 		<ThemeToggle />
-		<Button variant="outline" onclick={() => signOut({ callbackUrl: '/' })}>{t.auth.signOut}</Button>
+		{#if isAuthenticated}
+			<Button variant="outline" onclick={() => signOut({ callbackUrl: '/' })}>{t.auth.signOut}</Button>
+		{:else}
+			<Button variant="outline" onclick={() => (window.location.href = '/signin')}>{t.auth.signIn}</Button>
+		{/if}
 	</div>
 </div>

src/lib/components/wishlist/ClaimWishlistSection.svelte

@@ -2,18 +2,24 @@
 	import { Button } from '$lib/components/ui/button';
 	import { enhance } from '$app/forms';
 	import { languageStore } from '$lib/stores/language.svelte';
+	import { isLocalWishlist } from '$lib/utils/localWishlists';
 
 	let {
 		isAuthenticated,
 		isOwner,
-		hasClaimed
+		hasClaimed,
+		ownerToken
 	}: {
 		isAuthenticated: boolean;
 		isOwner: boolean;
 		hasClaimed: boolean;
+		ownerToken: string;
 	} = $props();
 
 	const t = $derived(languageStore.t);
+
+	// Check if this wishlist is in localStorage
+	const isLocal = $derived(isLocalWishlist(ownerToken));
 </script>
 
 {#if isAuthenticated}
@@ -33,7 +39,11 @@
 			<form
 				method="POST"
 				action={hasClaimed ? "?/unclaimWishlist" : "?/claimWishlist"}
-				use:enhance
+				use:enhance={() => {
+					return async ({ update }) => {
+						await update({ reset: false });
+					};
+				}}
 			>
 				<Button
 					type="submit"
@@ -48,6 +58,10 @@
 					You have claimed this wishlist. It will appear in your dashboard.
 				{:else}
 					Claim this wishlist to add it to your dashboard for easy access.
+					{#if isLocal}
+						<br />
+						<span class="text-xs">It will remain in your local wishlists and also appear in your claimed wishlists.</span>
+					{/if}
 				{/if}
 			</p>
 		{/if}

src/lib/utils/localWishlists.ts

@@ -0,0 +1,103 @@
+/**
+ * Utility functions for managing anonymous user's wishlists in localStorage
+ */
+
+const LOCAL_WISHLISTS_KEY = 'local_wishlists';
+
+export interface LocalWishlist {
+	ownerToken: string;
+	publicToken: string;
+	title: string;
+	createdAt: string;
+	isFavorite?: boolean;
+}
+
+/**
+ * Get all local wishlists from localStorage
+ */
+export function getLocalWishlists(): LocalWishlist[] {
+	if (typeof window === 'undefined') return [];
+
+	try {
+		const stored = localStorage.getItem(LOCAL_WISHLISTS_KEY);
+		return stored ? JSON.parse(stored) : [];
+	} catch (error) {
+		console.error('Failed to parse local wishlists:', error);
+		return [];
+	}
+}
+
+/**
+ * Add a wishlist to localStorage
+ */
+export function addLocalWishlist(wishlist: LocalWishlist): void {
+	if (typeof window === 'undefined') return;
+
+	try {
+		const wishlists = getLocalWishlists();
+
+		// Check if already exists
+		const exists = wishlists.some(w => w.ownerToken === wishlist.ownerToken);
+		if (exists) return;
+
+		wishlists.push(wishlist);
+		localStorage.setItem(LOCAL_WISHLISTS_KEY, JSON.stringify(wishlists));
+	} catch (error) {
+		console.error('Failed to add local wishlist:', error);
+	}
+}
+
+/**
+ * Remove a wishlist from localStorage (forget it)
+ */
+export function forgetLocalWishlist(ownerToken: string): void {
+	if (typeof window === 'undefined') return;
+
+	try {
+		const wishlists = getLocalWishlists();
+		const filtered = wishlists.filter(w => w.ownerToken !== ownerToken);
+		localStorage.setItem(LOCAL_WISHLISTS_KEY, JSON.stringify(filtered));
+	} catch (error) {
+		console.error('Failed to forget local wishlist:', error);
+	}
+}
+
+/**
+ * Clear all local wishlists (e.g., when user claims all wishlists)
+ */
+export function clearLocalWishlists(): void {
+	if (typeof window === 'undefined') return;
+
+	try {
+		localStorage.removeItem(LOCAL_WISHLISTS_KEY);
+	} catch (error) {
+		console.error('Failed to clear local wishlists:', error);
+	}
+}
+
+/**
+ * Check if a wishlist is in local storage
+ */
+export function isLocalWishlist(ownerToken: string): boolean {
+	const wishlists = getLocalWishlists();
+	return wishlists.some(w => w.ownerToken === ownerToken);
+}
+
+/**
+ * Toggle favorite status for a local wishlist
+ */
+export function toggleLocalFavorite(ownerToken: string): void {
+	if (typeof window === 'undefined') return;
+
+	try {
+		const wishlists = getLocalWishlists();
+		const updated = wishlists.map(w =>
+			w.ownerToken === ownerToken
+				? { ...w, isFavorite: !w.isFavorite }
+				: w
+		);
+		localStorage.setItem(LOCAL_WISHLISTS_KEY, JSON.stringify(updated));
+	} catch (error) {
+		console.error('Failed to toggle local wishlist favorite:', error);
+	}
+}