frontend/messages/de.json

@@ -16,7 +16,7 @@
 	"error_internal_error": "Ein unerwarteter Fehler ist aufgetreten.",
 	"nav_documents": "Dokumente",
 	"nav_persons": "Personen",
-	"nav_conversations": "Korrespondenz",
+	"nav_conversations": "Briefwechsel",
 	"nav_admin": "Admin",
 	"nav_logout": "Abmelden",
 	"btn_save": "Speichern",
@@ -130,7 +130,7 @@
 	"person_co_correspondents_heading": "Häufige Korrespondenten",
 	"person_correspondents_hint": "klicken für Konversation",
 	"person_show_more": "+ {count} weitere anzeigen",
-	"conv_heading": "Korrespondenz",
+	"conv_heading": "Briefwechsel",
 	"conv_subtitle": "Briefwechsel einer Person durchsuchen — mit oder ohne Korrespondent.",
 	"conv_label_person_a": "Person A (Absender)",
 	"conv_label_person_b": "Korrespondent",
@@ -139,13 +139,14 @@
 	"conv_sort_label": "Sortierung:",
 	"conv_sort_newest": "Neueste zuerst",
 	"conv_sort_oldest": "Älteste zuerst",
-	"conv_empty_heading": "Korrespondenz durchsuchen",
+	"conv_empty_heading": "Wessen Briefe möchten Sie lesen?",
 	"conv_empty_text": "Wähle eine Person aus dem Archiv um deren Briefe zu sehen — mit oder ohne Korrespondent.",
+	"conv_hero_crosslink": "Suchen Sie ein bestimmtes Dokument? → Zur Dokumentensuche",
 	"conv_no_results_heading": "Keine Dokumente gefunden.",
 	"conv_no_results_text": "Versuchen Sie, den Zeitraum anzupassen.",
 	"conv_swap_btn": "Personen tauschen",
 	"conv_summary": "{count} Dokumente · {yearFrom}–{yearTo}",
-	"conv_new_doc_link": "Neues Dokument in dieser Korrespondenz",
+	"conv_new_doc_link": "Neues Dokument in diesem Briefwechsel",
 	"conv_label_correspondent_optional": "Korrespondent",
 	"conv_hint_single_person": "Alle Briefe von {name} — wähle einen Korrespondenten oben um einzugrenzen",
 	"conv_hint_single_person_filtered": "Alle Briefe von {name} · {from}–{to} · {sortLabel}",
@@ -159,6 +160,7 @@
 	"conv_suggestions_all_label": "Alle Korrespondenten von {name}",
 	"conv_letters_count": "{count} Briefe",
 	"conv_empty_search_placeholder": "Person suchen…",
+	"conv_hero_divider": "oder",
 	"conv_empty_recent_label": "Zuletzt geöffnet",
 	"conv_asym_sent": "{count} von {name} →",
 	"conv_asym_received": "{count} von {name} ←",

frontend/messages/en.json

@@ -16,7 +16,7 @@
 	"error_internal_error": "An unexpected error occurred.",
 	"nav_documents": "Documents",
 	"nav_persons": "Persons",
-	"nav_conversations": "Correspondence",
+	"nav_conversations": "Letters",
 	"nav_admin": "Admin",
 	"nav_logout": "Sign out",
 	"btn_save": "Save",
@@ -130,7 +130,7 @@
 	"person_co_correspondents_heading": "Frequent correspondents",
 	"person_correspondents_hint": "click to view conversation",
 	"person_show_more": "+ {count} more",
-	"conv_heading": "Correspondence",
+	"conv_heading": "Letters",
 	"conv_subtitle": "Browse a person's letters — with or without a correspondent.",
 	"conv_label_person_a": "Person A (Sender)",
 	"conv_label_person_b": "Correspondent",
@@ -139,13 +139,14 @@
 	"conv_sort_label": "Sort:",
 	"conv_sort_newest": "Newest first",
 	"conv_sort_oldest": "Oldest first",
-	"conv_empty_heading": "Browse correspondence",
+	"conv_empty_heading": "Whose letters would you like to read?",
 	"conv_empty_text": "Choose a person from the archive to see their letters — with or without a correspondent.",
+	"conv_hero_crosslink": "Looking for a specific document? → Go to document search",
 	"conv_no_results_heading": "No documents found.",
 	"conv_no_results_text": "Try adjusting the time period.",
 	"conv_swap_btn": "Swap persons",
 	"conv_summary": "{count} documents · {yearFrom}–{yearTo}",
-	"conv_new_doc_link": "New document in this correspondence",
+	"conv_new_doc_link": "New document in this exchange",
 	"conv_label_correspondent_optional": "Correspondent",
 	"conv_hint_single_person": "All letters from {name} — choose a correspondent above to narrow down",
 	"conv_hint_single_person_filtered": "All letters from {name} · {from}–{to} · {sortLabel}",
@@ -159,6 +160,7 @@
 	"conv_suggestions_all_label": "All correspondents of {name}",
 	"conv_letters_count": "{count} letters",
 	"conv_empty_search_placeholder": "Search person…",
+	"conv_hero_divider": "or",
 	"conv_empty_recent_label": "Recently opened",
 	"conv_asym_sent": "{count} from {name} →",
 	"conv_asym_received": "{count} from {name} ←",

frontend/messages/es.json

@@ -16,7 +16,7 @@
 	"error_internal_error": "Se ha producido un error inesperado.",
 	"nav_documents": "Documentos",
 	"nav_persons": "Personas",
-	"nav_conversations": "Correspondencia",
+	"nav_conversations": "Cartas",
 	"nav_admin": "Admin",
 	"nav_logout": "Cerrar sesión",
 	"btn_save": "Guardar",
@@ -130,7 +130,7 @@
 	"person_co_correspondents_heading": "Corresponsales frecuentes",
 	"person_correspondents_hint": "clic para ver conversación",
 	"person_show_more": "+ {count} más",
-	"conv_heading": "Correspondencia",
+	"conv_heading": "Cartas",
 	"conv_subtitle": "Explore las cartas de una persona — con o sin corresponsal.",
 	"conv_label_person_a": "Persona A (Remitente)",
 	"conv_label_person_b": "Corresponsal",
@@ -139,13 +139,14 @@
 	"conv_sort_label": "Ordenar:",
 	"conv_sort_newest": "Más reciente primero",
 	"conv_sort_oldest": "Más antiguo primero",
-	"conv_empty_heading": "Explorar correspondencia",
+	"conv_empty_heading": "¿De quién desea leer las cartas?",
 	"conv_empty_text": "Elige una persona del archivo para ver sus cartas — con o sin corresponsal.",
+	"conv_hero_crosslink": "¿Busca un documento en particular? → Ir a la búsqueda",
 	"conv_no_results_heading": "No se encontraron documentos.",
 	"conv_no_results_text": "Intente ajustar el período de tiempo.",
 	"conv_swap_btn": "Intercambiar personas",
 	"conv_summary": "{count} documentos · {yearFrom}–{yearTo}",
-	"conv_new_doc_link": "Nuevo documento en esta correspondencia",
+	"conv_new_doc_link": "Nuevo documento en este intercambio",
 	"conv_label_correspondent_optional": "Corresponsal",
 	"conv_hint_single_person": "Todas las cartas de {name} — elige un corresponsal arriba para filtrar",
 	"conv_hint_single_person_filtered": "Todas las cartas de {name} · {from}–{to} · {sortLabel}",
@@ -159,6 +160,7 @@
 	"conv_suggestions_all_label": "Todos los corresponsales de {name}",
 	"conv_letters_count": "{count} cartas",
 	"conv_empty_search_placeholder": "Buscar persona…",
+	"conv_hero_divider": "o",
 	"conv_empty_recent_label": "Recientemente abiertos",
 	"conv_asym_sent": "{count} de {name} →",
 	"conv_asym_received": "{count} de {name} ←",

frontend/src/lib/components/PersonTypeahead.svelte

@@ -13,6 +13,7 @@ interface Props {
 	suggestedName?: string;
 	placeholder?: string;
 	compact?: boolean;
+	large?: boolean;
 	restrictToCorrespondentsOf?: string;
 	onchange?: (value: string) => void;
 	onfocused?: () => void;
@@ -26,6 +27,7 @@ let {
 	suggestedName = '',
 	placeholder,
 	compact = false,
+	large = false,
 	restrictToCorrespondentsOf,
 	onchange,
 	onfocused
@@ -140,9 +142,11 @@ function selectPerson(person: Person) {
 		oninput={handleInput}
 		onfocus={handleFocus}
 		placeholder={placeholder ?? m.comp_typeahead_placeholder()}
-		class={compact
+		class={large
-			? 'mt-1 block h-9 w-full rounded border border-line bg-surface px-2 text-sm text-ink placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring'
+			? 'mt-2 block h-14 w-full rounded-md border border-line bg-surface px-4 text-base text-ink shadow-sm placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring'
-			: 'mt-1 block w-full rounded-md border border-line bg-surface p-2 text-ink shadow-sm placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring'}
+			: compact
+				? 'mt-1 block h-9 w-full rounded border border-line bg-surface px-2 text-sm text-ink placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring'
+				: 'mt-1 block w-full rounded-md border border-line bg-surface p-2 text-ink shadow-sm placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring'}
 	/>
 
 	{#if showDropdown && (results.length > 0 || loading)}

frontend/src/lib/components/SortDropdown.svelte

@@ -47,6 +47,20 @@ function toggleDir() {
 		class="-ml-px flex items-center justify-center border border-line bg-muted px-3 py-2.5 text-sm font-bold text-ink-2 transition hover:text-ink focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
 		aria-label={dir === 'asc' ? m.sort_dir_asc() : m.sort_dir_desc()}
 	>
-		{dir === 'asc' ? '↑' : '↓'}
+		{#if dir === 'asc'}
+			<img
+				src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Up-MD.svg"
+				alt=""
+				aria-hidden="true"
+				class="h-5 w-5 opacity-60"
+			/>
+		{:else}
+			<img
+				src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Down-MD.svg"
+				alt=""
+				aria-hidden="true"
+				class="h-5 w-5 opacity-60"
+			/>
+		{/if}
 	</button>
 </div>

frontend/src/lib/components/SortDropdown.svelte.spec.ts

@@ -22,15 +22,19 @@ describe('SortDropdown', () => {
 		await expect.element(btn).toBeInTheDocument();
 	});
 
-	it('direction button shows ↑ when dir is asc', async () => {
+	it('direction button shows up arrow when dir is asc', async () => {
 		render(SortDropdown, { sort: 'DATE', dir: 'asc' });
-		const btn = page.getByRole('button');
+		await expect.element(page.getByRole('button')).toBeInTheDocument();
-		await expect.element(btn).toHaveTextContent('↑');
+		const img = document.querySelector('button img') as HTMLImageElement;
+		expect(img).not.toBeNull();
+		expect(img.src).toContain('Long-Arrow-Up');
 	});
 
-	it('direction button shows ↓ when dir is desc', async () => {
+	it('direction button shows down arrow when dir is desc', async () => {
 		render(SortDropdown, { sort: 'DATE', dir: 'desc' });
-		const btn = page.getByRole('button');
+		await expect.element(page.getByRole('button')).toBeInTheDocument();
-		await expect.element(btn).toHaveTextContent('↓');
+		const img = document.querySelector('button img') as HTMLImageElement;
+		expect(img).not.toBeNull();
+		expect(img.src).toContain('Long-Arrow-Down');
 	});
 });

frontend/src/routes/AppNav.svelte

@@ -60,9 +60,9 @@ function handleOverlayKeydown(event: KeyboardEvent) {
 		</a>
 
 		<a
-			href="/korrespondenz"
+			href="/briefwechsel"
 			class="my-2 inline-flex items-center px-3 font-sans text-xs font-bold tracking-widest uppercase transition-colors focus:outline-none focus-visible:rounded focus-visible:ring-2 focus-visible:ring-focus-ring
-                   {page.url.pathname.startsWith('/korrespondenz')
+                   {page.url.pathname.startsWith('/briefwechsel')
 				? 'border-b-2 border-accent text-white'
 				: 'text-white/70 hover:text-white'}"
 		>
@@ -161,9 +161,9 @@ function handleOverlayKeydown(event: KeyboardEvent) {
 				</a>
 
 				<a
-					href="/korrespondenz"
+					href="/briefwechsel"
 					class="block flex min-h-[44px] w-full items-center px-4 py-3 font-sans text-sm font-bold tracking-widest uppercase transition-colors focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring focus-visible:ring-inset
-                           {page.url.pathname.startsWith('/korrespondenz')
+                           {page.url.pathname.startsWith('/briefwechsel')
 						? 'bg-accent-bg text-ink'
 						: 'text-ink-2 hover:bg-muted hover:text-ink'}"
 				>

frontend/src/routes/SearchFilterBar.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
 import PersonTypeahead from '$lib/components/PersonTypeahead.svelte';
 import TagInput from '$lib/components/TagInput.svelte';
+import DateInput from '$lib/components/DateInput.svelte';
 import SortDropdown from '$lib/components/SortDropdown.svelte';
 import { slide } from 'svelte/transition';
 import { m } from '$lib/paraglide/messages.js';
@@ -192,24 +193,22 @@ $effect(() => {
 						class="mb-2 block text-xs font-bold tracking-widest text-ink-2 uppercase"
 						>{m.docs_filter_label_from()}</label
 					>
-					<input
+					<DateInput
-						type="date"
 						id="from"
 						bind:value={from}
 						onchange={onSearch}
-						class="block w-full border-line py-2.5 text-sm shadow-sm"
+						class="block w-full rounded-md border border-line bg-surface px-3 py-2.5 text-sm text-ink shadow-sm placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
 					/>
 				</div>
 				<div>
 					<label for="to" class="mb-2 block text-xs font-bold tracking-widest text-ink-2 uppercase"
 						>{m.docs_filter_label_to()}</label
 					>
-					<input
+					<DateInput
-						type="date"
 						id="to"
 						bind:value={to}
 						onchange={onSearch}
-						class="block w-full border-line py-2.5 text-sm shadow-sm"
+						class="block w-full rounded-md border border-line bg-surface px-3 py-2.5 text-sm text-ink shadow-sm placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
 					/>
 				</div>
 			</div>

frontend/src/routes/briefwechsel/+page.svelte

@@ -0,0 +1,160 @@
+<script lang="ts">
+import { goto } from '$app/navigation';
+import { onMount } from 'svelte';
+import { untrack } from 'svelte';
+import { SvelteURLSearchParams } from 'svelte/reactivity';
+import CorrespondenzPersonBar from './CorrespondenzPersonBar.svelte';
+import CorrespondenzFilterControls from './CorrespondenzFilterControls.svelte';
+import SinglePersonHintBar from './SinglePersonHintBar.svelte';
+import ConversationTimeline from './ConversationTimeline.svelte';
+import CorrespondenzHero from './CorrespondenzHero.svelte';
+import { m } from '$lib/paraglide/messages.js';
+
+let { data } = $props();
+
+let senderId = $state(untrack(() => data.filters.senderId));
+let receiverId = $state(untrack(() => data.filters.receiverId));
+let fromDate = $state(untrack(() => data.filters.from));
+let toDate = $state(untrack(() => data.filters.to));
+let sortDir = $state(untrack(() => data.filters.dir));
+
+const senderName = $derived(data.initialValues.senderName);
+const receiverName = $derived(data.initialValues.receiverName);
+
+$effect(() => {
+	if (data.filters.senderId && data.initialValues.senderName) {
+		persistRecentPerson(data.filters.senderId, data.initialValues.senderName);
+	}
+});
+
+const isSinglePerson = $derived(!!senderId && !receiverId);
+const showHero = $derived(!senderId && !data.filters.senderId);
+
+let showAdvanced = $state(false);
+
+const RECENT_STORAGE_KEY = 'korrespondenz_recent_persons';
+const MAX_RECENT = 5;
+
+interface RecentPerson {
+	id: string;
+	name: string;
+}
+
+let recentPersons = $state<RecentPerson[]>([]);
+
+onMount(() => {
+	try {
+		const raw = localStorage.getItem(RECENT_STORAGE_KEY);
+		if (raw) {
+			recentPersons = JSON.parse(raw) as RecentPerson[];
+		}
+	} catch {
+		recentPersons = [];
+	}
+});
+
+function persistRecentPerson(id: string, name: string) {
+	if (!id) return;
+	try {
+		const raw = localStorage.getItem(RECENT_STORAGE_KEY);
+		const existing: RecentPerson[] = raw ? JSON.parse(raw) : [];
+		const filtered = existing.filter((p) => p.id !== id);
+		const updated = [{ id, name }, ...filtered].slice(0, MAX_RECENT);
+		localStorage.setItem(RECENT_STORAGE_KEY, JSON.stringify(updated));
+	} catch {
+		// localStorage unavailable — silently ignore
+	}
+}
+
+function applyFilters() {
+	const params = new SvelteURLSearchParams();
+	if (senderId) params.set('senderId', senderId);
+	if (receiverId) params.set('receiverId', receiverId);
+	if (fromDate) params.set('from', fromDate);
+	if (toDate) params.set('to', toDate);
+	params.set('dir', sortDir);
+	goto(`/briefwechsel?${params.toString()}`, { keepFocus: true });
+}
+
+function toggleSort() {
+	sortDir = sortDir === 'DESC' ? 'ASC' : 'DESC';
+	applyFilters();
+}
+
+function swapPersons() {
+	const tmp = senderId;
+	senderId = receiverId;
+	receiverId = tmp;
+	applyFilters();
+}
+
+function selectPerson(id: string) {
+	if (!id) return;
+	senderId = id;
+	receiverId = '';
+	applyFilters();
+}
+</script>
+
+{#if showHero}
+	<!-- Hero state: only on fresh page load with no context -->
+	<div class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
+		<CorrespondenzHero onSelectPerson={selectPerson} recentPersons={recentPersons} />
+	</div>
+{:else}
+	<!-- Results state: card + content -->
+	<div class="mx-auto max-w-7xl px-4 py-8 sm:px-6 lg:px-8">
+		<div class="mb-8 rounded-sm border border-line bg-surface p-6 shadow-sm">
+			<CorrespondenzPersonBar
+				bind:senderId={senderId}
+				bind:receiverId={receiverId}
+				initialSenderName={data.initialValues.senderName}
+				initialReceiverName={data.initialValues.receiverName}
+				sortDir={sortDir}
+				showAdvanced={showAdvanced}
+				documentCount={data.documents.length}
+				onapplyFilters={applyFilters}
+				onswapPersons={swapPersons}
+				ontoggleSort={toggleSort}
+				ontoggleAdvanced={() => (showAdvanced = !showAdvanced)}
+			/>
+
+			{#if showAdvanced}
+				<CorrespondenzFilterControls
+					bind:fromDate={fromDate}
+					bind:toDate={toDate}
+					onapplyFilters={applyFilters}
+				/>
+			{/if}
+
+			{#if isSinglePerson}
+				<SinglePersonHintBar
+					senderName={senderName}
+					fromDate={fromDate || undefined}
+					toDate={toDate || undefined}
+					sortDir={sortDir}
+				/>
+			{/if}
+		</div>
+
+		<div>
+			{#if data.documents.length === 0}
+				<div
+					class="flex flex-col items-center justify-center rounded-sm border border-line bg-muted py-24 text-center shadow-sm"
+				>
+					<p class="font-serif text-ink">{m.conv_no_results_heading()}</p>
+					<p class="mt-2 text-sm text-ink-3">{m.conv_no_results_text()}</p>
+				</div>
+			{:else}
+				<ConversationTimeline
+					documents={data.documents}
+					senderId={senderId}
+					receiverId={receiverId}
+					canWrite={data.canWrite}
+					senderName={senderName}
+					receiverName={receiverName}
+				/>
+			{/if}
+		</div>
+	</div>
+{/if}

frontend/src/routes/briefwechsel/ConversationTimeline.svelte

@@ -84,8 +84,24 @@ const newDocUrl = $derived(
 		aria-label="Briefverteilung in diesem Zeitraum: {outCount} von {senderName ?? ''}, {inCount} von {receiverName ?? ''}"
 	>
 		<div class="flex justify-between text-sm font-bold">
-			<span class="text-primary">{outCount} von {shortSenderName} →</span>
+			<span class="inline-flex items-center gap-1 text-primary"
-			<span class="text-accent">{inCount} von {shortReceiverName} ←</span>
+				>{outCount} von {shortSenderName}
+				<img
+					src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Right-MD.svg"
+					alt=""
+					aria-hidden="true"
+					class="inline h-3.5 w-3.5 opacity-60"
+				/></span
+			>
+			<span class="inline-flex items-center gap-1 text-accent"
+				>{inCount} von {shortReceiverName}
+				<img
+					src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Left-MD.svg"
+					alt=""
+					aria-hidden="true"
+					class="inline h-3.5 w-3.5 opacity-60"
+				/></span
+			>
 		</div>
 		<div class="flex h-[5px] overflow-hidden rounded-full bg-line">
 			<div class="h-full bg-primary transition-all" style="width: {outPct}%"></div>
@@ -115,14 +131,14 @@ const newDocUrl = $derived(
 			class:border-l-primary={isOut}
 			class:border-l-accent={!isOut}
 		>
-			<span
+			<img
-				class="w-[16px] shrink-0 text-sm font-black"
+				src={isOut
-				class:text-primary={isOut}
+					? '/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Right-MD.svg'
-				class:text-accent={!isOut}
+					: '/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Left-MD.svg'}
+				alt=""
 				aria-hidden="true"
-			>
+				class="h-4 w-4 shrink-0 opacity-60"
-				{isOut ? '→' : '←'}
+			/>
-			</span>
 
 			<div class="min-w-0 flex-1">
 				<div class="mb-[2px] truncate text-sm font-bold text-ink">

frontend/src/routes/briefwechsel/CorrespondenzFilterControls.svelte

@@ -0,0 +1,48 @@
+<script lang="ts">
+import { slide } from 'svelte/transition';
+import { m } from '$lib/paraglide/messages.js';
+import DateInput from '$lib/components/DateInput.svelte';
+
+interface Props {
+	fromDate?: string;
+	toDate?: string;
+	onapplyFilters: () => void;
+}
+
+let { fromDate = $bindable(''), toDate = $bindable(''), onapplyFilters }: Props = $props();
+</script>
+
+<div
+	data-testid="conv-filter-controls"
+	transition:slide
+	class="mt-6 grid grid-cols-1 gap-6 border-t border-line-2 pt-6 md:grid-cols-12"
+>
+	<!-- From date -->
+	<div class="md:col-span-3">
+		<label
+			for="conv-from"
+			class="mb-2 block text-xs font-bold tracking-widest text-ink-2 uppercase"
+		>
+			{m.conv_label_from()}
+		</label>
+		<DateInput
+			id="conv-from"
+			bind:value={fromDate}
+			onchange={() => onapplyFilters()}
+			class="block w-full rounded-md border border-line bg-surface px-3 py-2.5 text-sm text-ink shadow-sm placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
+		/>
+	</div>
+
+	<!-- To date -->
+	<div class="md:col-span-3">
+		<label for="conv-to" class="mb-2 block text-xs font-bold tracking-widest text-ink-2 uppercase">
+			{m.conv_label_to()}
+		</label>
+		<DateInput
+			id="conv-to"
+			bind:value={toDate}
+			onchange={() => onapplyFilters()}
+			class="block w-full rounded-md border border-line bg-surface px-3 py-2.5 text-sm text-ink shadow-sm placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
+		/>
+	</div>
+</div>

frontend/src/routes/briefwechsel/CorrespondenzHero.svelte

@@ -0,0 +1,92 @@
+<script lang="ts">
+import { onMount, tick } from 'svelte';
+import PersonTypeahead from '$lib/components/PersonTypeahead.svelte';
+import { m } from '$lib/paraglide/messages.js';
+
+interface RecentPerson {
+	id: string;
+	name: string;
+}
+
+interface Props {
+	onSelectPerson: (id: string) => void;
+	recentPersons?: RecentPerson[];
+}
+
+const { onSelectPerson, recentPersons = [] }: Props = $props();
+
+let senderId = $state('');
+let typeaheadEl: HTMLDivElement | undefined = $state();
+
+onMount(async () => {
+	await tick();
+	typeaheadEl?.querySelector<HTMLInputElement>('input[type="text"]')?.focus();
+});
+
+function handlePersonChange(id: string) {
+	if (id) {
+		onSelectPerson(id);
+	}
+}
+</script>
+
+<div
+	data-testid="conv-hero"
+	class="mx-auto flex max-w-lg flex-col items-center gap-6 py-12 text-center sm:py-20"
+>
+	<!-- Discovery headline -->
+	<h1 class="font-serif text-2xl font-black text-ink">
+		{m.conv_empty_heading()}
+	</h1>
+
+	<!-- Cross-link to document search -->
+	<a href="/" class="text-sm text-ink-3 transition-colors hover:text-primary">
+		{m.conv_hero_crosslink()}
+	</a>
+
+	<!-- Person typeahead (large, hero-sized) -->
+	<div class="w-full max-w-sm" bind:this={typeaheadEl}>
+		<PersonTypeahead
+			name="senderId"
+			label="Person"
+			large={true}
+			bind:value={senderId}
+			onchange={handlePersonChange}
+		/>
+	</div>
+
+	<!-- Recent persons -->
+	{#if recentPersons.length > 0}
+		<div class="flex w-full max-w-sm items-center gap-2">
+			<div class="flex-1 border-t border-line"></div>
+			<span class="text-xs font-bold tracking-wider text-ink-3 uppercase"
+				>{m.conv_hero_divider()}</span
+			>
+			<div class="flex-1 border-t border-line"></div>
+		</div>
+
+		<div class="flex w-full max-w-sm flex-col items-center gap-3">
+			<span class="text-xs font-bold tracking-widest text-ink-3 uppercase">
+				{m.conv_empty_recent_label()}
+			</span>
+			<div class="flex flex-wrap justify-center gap-2">
+				{#each recentPersons as person (person.id)}
+					<button
+						type="button"
+						data-testid="recent-person-{person.id}"
+						onclick={() => onSelectPerson(person.id)}
+						class="flex items-center gap-2 rounded-full border border-line bg-surface px-4 py-2 text-sm font-bold text-ink transition-colors hover:border-primary hover:text-primary"
+					>
+						<span
+							class="flex h-5 w-5 shrink-0 items-center justify-center rounded-full bg-primary text-xs text-primary-fg"
+							aria-hidden="true"
+						>
+							{person.name.charAt(0).toUpperCase()}
+						</span>
+						{person.name}
+					</button>
+				{/each}
+			</div>
+		</div>
+	{/if}
+</div>

frontend/src/routes/briefwechsel/CorrespondenzHero.svelte.spec.ts

@@ -0,0 +1,50 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { cleanup, render } from 'vitest-browser-svelte';
+import { page } from 'vitest/browser';
+import CorrespondenzHero from './CorrespondenzHero.svelte';
+
+vi.mock('$app/navigation', () => ({ goto: vi.fn() }));
+
+afterEach(cleanup);
+
+const noop = () => {};
+
+describe('CorrespondenzHero — headline and cross-link', () => {
+	it('renders the discovery headline', async () => {
+		render(CorrespondenzHero, { onSelectPerson: noop });
+		await expect.element(page.getByText(/Wessen Briefe möchten Sie lesen/i)).toBeInTheDocument();
+	});
+
+	it('renders a cross-link to the document search page', async () => {
+		render(CorrespondenzHero, { onSelectPerson: noop });
+		const link = page.getByRole('link', { name: /Zur Dokumentensuche/i });
+		await expect.element(link).toBeInTheDocument();
+		await expect.element(link).toHaveAttribute('href', '/');
+	});
+
+	it('renders a person typeahead input', async () => {
+		render(CorrespondenzHero, { onSelectPerson: noop });
+		await expect.element(page.getByTestId('conv-hero').getByRole('textbox')).toBeInTheDocument();
+	});
+});
+
+describe('CorrespondenzHero — recent persons', () => {
+	it('shows recent person chips when provided', async () => {
+		render(CorrespondenzHero, {
+			onSelectPerson: noop,
+			recentPersons: [{ id: 'r1', name: 'Clara Braun' }]
+		});
+		await expect.element(page.getByText('Clara Braun')).toBeInTheDocument();
+	});
+
+	it('calls onSelectPerson when a recent person chip is clicked', async () => {
+		const spy = vi.fn();
+		render(CorrespondenzHero, {
+			onSelectPerson: spy,
+			recentPersons: [{ id: 'r1', name: 'Clara Braun' }]
+		});
+		await expect.element(page.getByText('Clara Braun')).toBeInTheDocument();
+		document.querySelector<HTMLElement>('[data-testid="recent-person-r1"]')!.click();
+		expect(spy).toHaveBeenCalledWith('r1');
+	});
+});

frontend/src/routes/briefwechsel/CorrespondenzPersonBar.svelte

@@ -0,0 +1,187 @@
+<script lang="ts">
+import PersonTypeahead from '$lib/components/PersonTypeahead.svelte';
+import CorrespondentSuggestionsDropdown from './CorrespondentSuggestionsDropdown.svelte';
+import { m } from '$lib/paraglide/messages.js';
+
+interface Props {
+	senderId?: string;
+	receiverId?: string;
+	initialSenderName?: string;
+	initialReceiverName?: string;
+	sortDir?: string;
+	showAdvanced?: boolean;
+	documentCount?: number;
+	onapplyFilters: () => void;
+	onswapPersons: () => void;
+	ontoggleSort: () => void;
+	ontoggleAdvanced: () => void;
+}
+
+let {
+	senderId = $bindable(''),
+	receiverId = $bindable(''),
+	initialSenderName = '',
+	initialReceiverName = '',
+	sortDir = 'DESC',
+	showAdvanced = false,
+	documentCount = 0,
+	onapplyFilters,
+	onswapPersons,
+	ontoggleSort,
+	ontoggleAdvanced
+}: Props = $props();
+
+interface Correspondent {
+	id: string;
+	firstName: string;
+	lastName: string;
+}
+
+let swapVisible = $derived(!!(senderId && receiverId));
+
+let showSuggestions = $state(false);
+let correspondents = $state<Correspondent[]>([]);
+let loadingCorrespondents = $state(false);
+
+async function handleCorrespondentFocused() {
+	if (!senderId) return;
+	showSuggestions = true;
+	loadingCorrespondents = true;
+	try {
+		const res = await fetch(`/api/persons/${senderId}/correspondents`);
+		correspondents = res.ok ? await res.json() : [];
+	} catch {
+		correspondents = [];
+	} finally {
+		loadingCorrespondents = false;
+	}
+}
+
+function handleSuggestionSelect(id: string) {
+	receiverId = id;
+	showSuggestions = false;
+	onapplyFilters();
+}
+</script>
+
+<!-- Row 1: Person inputs -->
+<div data-testid="conv-person-bar" class="flex items-end gap-4">
+	<!-- Person A -->
+	<div
+		class="min-w-0 flex-1 [&_input]:border-line [&_input]:py-2.5 [&_label]:mb-2 [&_label]:text-xs [&_label]:font-bold [&_label]:tracking-widest [&_label]:text-ink-2 [&_label]:uppercase"
+	>
+		<PersonTypeahead
+			name="senderId"
+			label="Person"
+			bind:value={senderId}
+			initialName={initialSenderName}
+			restrictToCorrespondentsOf={receiverId || undefined}
+			onchange={(id) => { if (id) onapplyFilters(); }}
+		/>
+	</div>
+
+	<!-- Swap button -->
+	<button
+		data-testid="conv-swap-btn"
+		type="button"
+		aria-label="Personen tauschen"
+		onclick={onswapPersons}
+		class="mb-[3px] flex items-center justify-center rounded border border-line bg-muted px-3 py-2.5 text-ink-3 transition-colors hover:border-primary hover:text-primary"
+		class:opacity-0={!swapVisible}
+		class:pointer-events-none={!swapVisible}
+		tabindex={swapVisible ? 0 : -1}
+	>
+		<div class="-my-1 flex flex-col items-center">
+			<img
+				src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Right-MD.svg"
+				alt=""
+				aria-hidden="true"
+				class="h-3.5 w-3.5 opacity-60"
+			/>
+			<img
+				src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Left-MD.svg"
+				alt=""
+				aria-hidden="true"
+				class="h-3.5 w-3.5 opacity-60"
+			/>
+		</div>
+	</button>
+
+	<!-- Korrespondent field -->
+	<div
+		class="relative min-w-0 flex-1 [&_input]:border-line [&_input]:py-2.5 [&_label]:mb-2 [&_label]:text-xs [&_label]:font-bold [&_label]:tracking-widest [&_label]:text-ink-2 [&_label]:uppercase"
+	>
+		<PersonTypeahead
+			name="receiverId"
+			label={receiverId ? 'Korrespondent' : 'Korrespondent — optional'}
+			bind:value={receiverId}
+			initialName={initialReceiverName}
+			placeholder="Alle Korrespondenten"
+			restrictToCorrespondentsOf={senderId || undefined}
+			onchange={() => {
+				showSuggestions = false;
+				onapplyFilters();
+			}}
+			onfocused={handleCorrespondentFocused}
+		/>
+		{#if showSuggestions && senderId && !receiverId}
+			<CorrespondentSuggestionsDropdown
+				correspondents={correspondents}
+				loading={loadingCorrespondents}
+				senderName=""
+				onselect={handleSuggestionSelect}
+				onclose={() => (showSuggestions = false)}
+			/>
+		{/if}
+	</div>
+</div>
+
+<!-- Row 2: Sort + Filter toggle + Count (mirrors document search bar pattern) -->
+<div class="mt-4 flex items-center gap-4">
+	<!-- Sort button -->
+	<button
+		data-testid="conv-sort-btn"
+		type="button"
+		aria-label="Sortierung umkehren"
+		aria-pressed={sortDir === 'ASC'}
+		onclick={ontoggleSort}
+		class="flex items-center gap-2 border border-line bg-muted px-4 py-2.5 text-sm font-bold tracking-wide text-ink-2 uppercase transition hover:bg-muted hover:text-ink"
+	>
+		{#if sortDir === 'ASC'}
+			{m.conv_strip_sort_oldest()}
+			<img
+				src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Up-MD.svg"
+				alt=""
+				aria-hidden="true"
+				class="h-5 w-5 opacity-60"
+			/>
+		{:else}
+			{m.conv_strip_sort_newest()}
+			<img
+				src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Long-Arrow/Long-Arrow-Down-MD.svg"
+				alt=""
+				aria-hidden="true"
+				class="h-5 w-5 opacity-60"
+			/>
+		{/if}
+	</button>
+
+	<!-- Filter toggle button -->
+	<button
+		onclick={ontoggleAdvanced}
+		class="flex items-center gap-2 border border-line bg-muted px-4 py-2.5 text-sm font-bold tracking-wide text-ink-2 uppercase transition hover:bg-muted hover:text-ink"
+	>
+		<img
+			src="/degruyter-icons/Simple/Small-16px/SVG/Action/Chevron/Chevron-Down-SM.svg"
+			alt=""
+			aria-hidden="true"
+			class="h-4 w-4 transform transition-transform duration-200 {showAdvanced ? 'rotate-180' : ''}"
+		/>
+		{m.docs_btn_filter()}
+	</button>
+
+	<!-- Document count -->
+	<span data-testid="conv-strip-count" class="ml-auto text-sm font-bold text-ink-3">
+		{m.conv_letters_count({ count: documentCount })}
+	</span>
+</div>

frontend/src/routes/briefwechsel/SinglePersonHintBar.svelte

@@ -19,7 +19,7 @@ let toYear = $derived(toDate ? toDate.substring(0, 4) : '');
 </script>
 
 <div
-	class="flex items-center gap-[5px] border-b border-accent bg-accent-bg px-[18px] py-[6px] text-xs text-ink"
+	class="mt-4 flex items-center gap-1.5 rounded-sm border border-accent bg-accent-bg px-4 py-2.5 text-sm text-ink"
 >
 	<svg
 		xmlns="http://www.w3.org/2000/svg"

frontend/src/routes/briefwechsel/page.svelte.spec.ts

@@ -53,17 +53,29 @@ const withDocs = {
 	documents: [makeDoc()]
 };
 
-// ─── Empty state (no senderId) ────────────────────────────────────────────────
+// ─── Hero state (no senderId) ────────────────────────────────────────────────
 
-describe('Korrespondenz page – empty state', () => {
+describe('Briefwechsel page – hero state', () => {
-	it('shows the search heading when no person is selected', async () => {
+	it('shows the hero when no person is selected', async () => {
 		render(Page, { data: baseData });
-		await expect.element(page.getByText(/Korrespondenz durchsuchen/i)).toBeInTheDocument();
+		await expect.element(page.getByTestId('conv-hero')).toBeInTheDocument();
 	});
 
-	it('shows the empty-search button', async () => {
+	it('shows the discovery headline', async () => {
 		render(Page, { data: baseData });
-		await expect.element(page.getByTestId('conv-empty-search')).toBeInTheDocument();
+		await expect.element(page.getByText(/Wessen Briefe möchten Sie lesen/i)).toBeInTheDocument();
+	});
+
+	it('does not show the person bar in hero state', async () => {
+		render(Page, { data: baseData });
+		await expect.element(page.getByTestId('conv-hero')).toBeInTheDocument();
+		await expect.element(page.getByTestId('conv-person-bar')).not.toBeInTheDocument();
+	});
+
+	it('does not show filter controls in hero state', async () => {
+		render(Page, { data: baseData });
+		await expect.element(page.getByTestId('conv-hero')).toBeInTheDocument();
+		await expect.element(page.getByTestId('conv-filter-controls')).not.toBeInTheDocument();
 	});
 
 	it('does not show the new document link when no person is selected', async () => {
@@ -77,9 +89,30 @@ describe('Korrespondenz page – empty state', () => {
 	});
 });
 
+// ─── Results state (senderId set) ────────────────────────────────────────────
+
+describe('Briefwechsel page – results state', () => {
+	it('does not show the hero when senderId is set', async () => {
+		render(Page, { data: withSender });
+		await expect.element(page.getByTestId('conv-person-bar')).toBeInTheDocument();
+		await expect.element(page.getByTestId('conv-hero')).not.toBeInTheDocument();
+	});
+
+	it('shows the person bar when senderId is set', async () => {
+		render(Page, { data: withSender });
+		await expect.element(page.getByTestId('conv-person-bar')).toBeInTheDocument();
+	});
+
+	it('hides filter controls by default (collapsible)', async () => {
+		render(Page, { data: withSender });
+		await expect.element(page.getByTestId('conv-person-bar')).toBeInTheDocument();
+		await expect.element(page.getByTestId('conv-filter-controls')).not.toBeInTheDocument();
+	});
+});
+
 // ─── Recent persons chips ─────────────────────────────────────────────────────
 
-describe('Korrespondenz page – recent persons', () => {
+describe('Briefwechsel page – recent persons', () => {
 	it('shows recent person chips from localStorage', async () => {
 		localStorage.setItem(
 			'korrespondenz_recent_persons',
@@ -93,15 +126,14 @@ describe('Korrespondenz page – recent persons', () => {
 	it('does not crash when localStorage contains corrupt JSON', async () => {
 		localStorage.setItem('korrespondenz_recent_persons', '}{not valid json');
 		render(Page, { data: baseData });
-		// Empty state heading is still shown — no chip list crash
+		await expect.element(page.getByText(/Wessen Briefe möchten Sie lesen/i)).toBeInTheDocument();
-		await expect.element(page.getByText(/Korrespondenz durchsuchen/i)).toBeInTheDocument();
 		localStorage.removeItem('korrespondenz_recent_persons');
 	});
 });
 
 // ─── Single-person hint bar ───────────────────────────────────────────────────
 
-describe('Korrespondenz page – single-person hint bar', () => {
+describe('Briefwechsel page – single-person hint bar', () => {
 	it('shows hint bar when only senderId is set', async () => {
 		render(Page, { data: withSender });
 		await expect.element(page.getByText(/Alle Briefe von Hans Müller/i)).toBeInTheDocument();
@@ -118,25 +150,9 @@ describe('Korrespondenz page – single-person hint bar', () => {
 	});
 });
 
-// ─── Filter controls disabled state ──────────────────────────────────────────
-
-describe('Korrespondenz page – filter strip Row 2 disabled state', () => {
-	it('renders filter controls with aria-disabled when no senderId', async () => {
-		render(Page, { data: baseData });
-		const strip = document.querySelector('[aria-disabled="true"]');
-		expect(strip).not.toBeNull();
-	});
-
-	it('filter controls are not aria-disabled when senderId is set', async () => {
-		render(Page, { data: withSender });
-		const strip = document.querySelector('[aria-disabled="false"]');
-		expect(strip).not.toBeNull();
-	});
-});
-
 // ─── Strip letter count ───────────────────────────────────────────────────────
 
-describe('Korrespondenz page – strip letter count', () => {
+describe('Briefwechsel page – strip letter count', () => {
 	it('shows 0 Briefe when senderId is set but no documents', async () => {
 		render(Page, { data: withSender });
 		await expect.element(page.getByTestId('conv-strip-count')).toHaveTextContent('0 Briefe');
@@ -150,7 +166,7 @@ describe('Korrespondenz page – strip letter count', () => {
 
 // ─── No results ───────────────────────────────────────────────────────────────
 
-describe('Korrespondenz page – no results', () => {
+describe('Briefwechsel page – no results', () => {
 	it('shows "no documents found" when a person is selected but there are no documents', async () => {
 		render(Page, { data: withSender });
 		await expect.element(page.getByText(/Keine Dokumente gefunden/i)).toBeInTheDocument();
@@ -159,12 +175,11 @@ describe('Korrespondenz page – no results', () => {
 
 // ─── Swap button ──────────────────────────────────────────────────────────────
 
-describe('Korrespondenz page – swap button', () => {
+describe('Briefwechsel page – swap button', () => {
 	it('swap button is invisible when only one person is set', async () => {
 		render(Page, { data: withSender });
 		const btn = document.querySelector<HTMLElement>('[data-testid="conv-swap-btn"]');
 		expect(btn).not.toBeNull();
-		// opacity-0 is applied via class when swapVisible is false
 		expect(btn!.className).toMatch(/opacity-0/);
 	});
 
@@ -187,7 +202,7 @@ describe('Korrespondenz page – swap button', () => {
 
 // ─── Year dividers ────────────────────────────────────────────────────────────
 
-describe('Korrespondenz page – year dividers', () => {
+describe('Briefwechsel page – year dividers', () => {
 	it('renders a year divider for the first document', async () => {
 		render(Page, { data: withDocs });
 		await expect.element(page.getByTestId('year-divider').first()).toHaveTextContent('1923');
@@ -222,7 +237,7 @@ describe('Korrespondenz page – year dividers', () => {
 
 // ─── New document link ────────────────────────────────────────────────────────
 
-describe('Korrespondenz page – new document link', () => {
+describe('Briefwechsel page – new document link', () => {
 	it('shows the link with correct href for a write user (bilateral)', async () => {
 		render(Page, { data: { ...withDocs, canWrite: true } });
 		const link = page.getByTestId('conv-new-doc-link');

frontend/src/routes/korrespondenz/+page.svelte

@@ -1,140 +0,0 @@
-<script lang="ts">
-import { goto } from '$app/navigation';
-import { untrack } from 'svelte';
-import { SvelteURLSearchParams } from 'svelte/reactivity';
-import CorrespondenzPersonBar from './CorrespondenzPersonBar.svelte';
-import CorrespondenzFilterControls from './CorrespondenzFilterControls.svelte';
-import SinglePersonHintBar from './SinglePersonHintBar.svelte';
-import ConversationTimeline from './ConversationTimeline.svelte';
-import CorrespondenzEmptyState from './CorrespondenzEmptyState.svelte';
-import { m } from '$lib/paraglide/messages.js';
-
-let { data } = $props();
-
-// Filter values are local $state so swapPersons/toggleSort can mutate them before goto.
-// They are initialised once from server data and never re-synced — navigation replaces
-// the page component, so each load gets a fresh init.
-let senderId = $state(untrack(() => data.filters.senderId));
-let receiverId = $state(untrack(() => data.filters.receiverId));
-let fromDate = $state(untrack(() => data.filters.from));
-let toDate = $state(untrack(() => data.filters.to));
-let sortDir = $state(untrack(() => data.filters.dir));
-
-// Names are pure reads of server data — no local mutation needed.
-const senderName = $derived(data.initialValues.senderName);
-const receiverName = $derived(data.initialValues.receiverName);
-
-// Side-effect only: persist the resolved sender to localStorage once the name is available.
-$effect(() => {
-	if (data.filters.senderId && data.initialValues.senderName) {
-		persistRecentPerson(data.filters.senderId, data.initialValues.senderName);
-	}
-});
-
-const isSinglePerson = $derived(!!senderId && !receiverId);
-
-const RECENT_STORAGE_KEY = 'korrespondenz_recent_persons';
-const MAX_RECENT = 5;
-
-function persistRecentPerson(id: string, name: string) {
-	if (!id) return;
-	try {
-		const raw = localStorage.getItem(RECENT_STORAGE_KEY);
-		const existing: { id: string; name: string }[] = raw ? JSON.parse(raw) : [];
-		const filtered = existing.filter((p) => p.id !== id);
-		const updated = [{ id, name }, ...filtered].slice(0, MAX_RECENT);
-		localStorage.setItem(RECENT_STORAGE_KEY, JSON.stringify(updated));
-	} catch {
-		// localStorage unavailable — silently ignore
-	}
-}
-
-function applyFilters() {
-	const params = new SvelteURLSearchParams();
-	if (senderId) params.set('senderId', senderId);
-	if (receiverId) params.set('receiverId', receiverId);
-	if (fromDate) params.set('from', fromDate);
-	if (toDate) params.set('to', toDate);
-	params.set('dir', sortDir);
-	goto(`/korrespondenz?${params.toString()}`, { keepFocus: true });
-}
-
-function toggleSort() {
-	sortDir = sortDir === 'DESC' ? 'ASC' : 'DESC';
-	applyFilters();
-}
-
-function swapPersons() {
-	const tmp = senderId;
-	senderId = receiverId;
-	receiverId = tmp;
-	applyFilters();
-}
-
-function selectPerson(id: string) {
-	if (!id) {
-		document.querySelector<HTMLInputElement>('#senderId-search')?.focus();
-		return;
-	}
-	senderId = id;
-	receiverId = '';
-	applyFilters();
-}
-</script>
-
-<!-- Strips — pulled up to negate main's py-6 top padding so they sit flush -->
-<div class="-mt-6">
-	<!-- Strip: Row 1 — full width, no container -->
-	<CorrespondenzPersonBar
-		bind:senderId={senderId}
-		bind:receiverId={receiverId}
-		initialSenderName={data.initialValues.senderName}
-		initialReceiverName={data.initialValues.receiverName}
-		onapplyFilters={applyFilters}
-		onswapPersons={swapPersons}
-	/>
-
-	<!-- Strip: Row 2 — full width -->
-	<CorrespondenzFilterControls
-		senderId={senderId}
-		bind:fromDate={fromDate}
-		bind:toDate={toDate}
-		bind:sortDir={sortDir}
-		documentCount={data.documents.length}
-		onapplyFilters={applyFilters}
-		ontoggleSort={toggleSort}
-	/>
-
-	<!-- Single-person hint bar -->
-	{#if isSinglePerson}
-		<SinglePersonHintBar
-			senderName={senderName}
-			fromDate={fromDate || undefined}
-			toDate={toDate || undefined}
-			sortDir={sortDir}
-		/>
-	{/if}
-</div>
-
-<!-- Content area with padding -->
-<div class="px-[18px] py-[14px]">
-	{#if !senderId}
-		<CorrespondenzEmptyState onSelectPerson={selectPerson} />
-	{:else if data.documents.length === 0}
-		<div
-			class="flex flex-col items-center justify-center rounded-sm border border-line bg-muted py-24 text-center shadow-sm"
-		>
-			<p class="font-serif text-ink">{m.conv_no_results_heading()}</p>
-			<p class="mt-2 text-sm text-ink-3">{m.conv_no_results_text()}</p>
-		</div>
-	{:else}
-		<ConversationTimeline
-			documents={data.documents}
-			senderId={senderId}
-			receiverId={receiverId}
-			canWrite={data.canWrite}
-			senderName={senderName}
-			receiverName={receiverName}
-		/>
-	{/if}
-</div>

frontend/src/routes/korrespondenz/CorrespondenzEmptyState.svelte

@@ -1,120 +0,0 @@
-<script lang="ts">
-import { onMount } from 'svelte';
-import { m } from '$lib/paraglide/messages.js';
-
-interface RecentPerson {
-	id: string;
-	name: string;
-}
-
-interface Props {
-	onSelectPerson: (id: string) => void;
-}
-
-const { onSelectPerson }: Props = $props();
-
-let recentPersons = $state<RecentPerson[]>([]);
-
-onMount(() => {
-	try {
-		const raw = localStorage.getItem('korrespondenz_recent_persons');
-		if (raw) {
-			// Svelte auto-escapes firstName/lastName — do not use {@html} with these values
-			recentPersons = JSON.parse(raw) as RecentPerson[];
-		}
-	} catch {
-		recentPersons = [];
-	}
-});
-</script>
-
-<div class="mx-auto flex max-w-lg flex-col items-center gap-5 py-12 text-center">
-	<!-- Icon circle -->
-	<div class="rounded-full bg-muted p-5">
-		<svg
-			xmlns="http://www.w3.org/2000/svg"
-			width="36"
-			height="36"
-			viewBox="0 0 24 24"
-			fill="none"
-			stroke="currentColor"
-			stroke-width="1.5"
-			stroke-linecap="round"
-			stroke-linejoin="round"
-			class="text-primary"
-			aria-hidden="true"
-		>
-			<rect x="2" y="4" width="20" height="16" rx="2" />
-			<path d="M2 7l10 7 10-7" />
-		</svg>
-	</div>
-
-	<!-- Heading -->
-	<h2 class="font-serif text-xl font-black text-ink">{m.conv_empty_heading()}</h2>
-
-	<!-- Subtext -->
-	<p class="max-w-sm text-base text-ink-3">
-		{m.conv_empty_text()}
-	</p>
-
-	<!-- Search input placeholder (visual only — clicking focuses Person A typeahead above) -->
-	<button
-		type="button"
-		data-testid="conv-empty-search"
-		aria-label={m.conv_empty_search_placeholder()}
-		onclick={() => onSelectPerson('')}
-		class="flex h-10 w-full max-w-sm items-center rounded border border-line bg-muted px-4 text-sm text-ink-3 italic transition-colors hover:border-primary"
-	>
-		<svg
-			xmlns="http://www.w3.org/2000/svg"
-			width="14"
-			height="14"
-			viewBox="0 0 24 24"
-			fill="none"
-			stroke="currentColor"
-			stroke-width="2"
-			stroke-linecap="round"
-			stroke-linejoin="round"
-			class="mr-2 shrink-0"
-			aria-hidden="true"
-		>
-			<circle cx="11" cy="11" r="8" />
-			<path d="m21 21-4.35-4.35" />
-		</svg>
-		{m.conv_empty_search_placeholder()}
-	</button>
-
-	<!-- Recent persons — only shown when localStorage has entries -->
-	{#if recentPersons.length > 0}
-		<!-- Divider -->
-		<div class="flex w-full max-w-sm items-center gap-2">
-			<div class="flex-1 border-t border-line"></div>
-			<span class="text-xs font-bold tracking-wider text-ink-3 uppercase">oder</span>
-			<div class="flex-1 border-t border-line"></div>
-		</div>
-
-		<div class="flex w-full max-w-sm flex-col items-center gap-3">
-			<span class="text-xs font-bold tracking-widest text-ink-3 uppercase">
-				{m.conv_empty_recent_label()}
-			</span>
-			<div class="flex flex-wrap justify-center gap-2">
-				{#each recentPersons as person (person.id)}
-					<!-- TODO: allow clearing recent history -->
-					<button
-						type="button"
-						onclick={() => onSelectPerson(person.id)}
-						class="flex items-center gap-2 rounded-full border border-line bg-surface px-4 py-2 text-sm font-bold text-ink transition-colors hover:border-primary hover:text-primary"
-					>
-						<span
-							class="flex h-5 w-5 shrink-0 items-center justify-center rounded-full bg-primary text-xs text-primary-fg"
-							aria-hidden="true"
-						>
-							{person.name.charAt(0).toUpperCase()}
-						</span>
-						{person.name}
-					</button>
-				{/each}
-			</div>
-		</div>
-	{/if}
-</div>

frontend/src/routes/korrespondenz/CorrespondenzFilterControls.svelte

@@ -1,115 +0,0 @@
-<script lang="ts">
-import { m } from '$lib/paraglide/messages.js';
-import DateInput from '$lib/components/DateInput.svelte';
-
-interface Props {
-	senderId: string;
-	fromDate?: string;
-	toDate?: string;
-	sortDir?: string;
-	documentCount?: number;
-	onapplyFilters: () => void;
-	ontoggleSort: () => void;
-}
-
-let {
-	senderId,
-	fromDate = $bindable(''),
-	toDate = $bindable(''),
-	sortDir = $bindable('DESC'),
-	documentCount,
-	onapplyFilters,
-	ontoggleSort
-}: Props = $props();
-
-let hasDateFilter = $derived(!!(fromDate || toDate));
-let isActive = $derived(!!(fromDate || toDate || sortDir !== 'DESC'));
-</script>
-
-<div
-	class="flex items-center gap-[10px] border-b border-line bg-muted px-4 py-[5px] transition-opacity sm:px-[18px]"
-	class:opacity-40={!senderId}
-	class:pointer-events-none={!senderId}
-	aria-disabled={!senderId}
->
-	<!-- Period label -->
-	<span class="hidden text-xs font-bold tracking-wide text-ink-3 uppercase sm:block">
-		{m.conv_strip_period()}
-	</span>
-
-	<!-- From date -->
-	<DateInput
-		bind:value={fromDate}
-		onchange={() => onapplyFilters()}
-		placeholder={m.conv_strip_from_placeholder()}
-		class="h-8 w-[100px] rounded border bg-surface px-2 text-xs text-ink focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring {fromDate ? 'border-primary' : 'border-line'}"
-	/>
-
-	<span class="text-xs text-ink-3">–</span>
-
-	<!-- To date -->
-	<DateInput
-		bind:value={toDate}
-		onchange={() => onapplyFilters()}
-		placeholder={m.conv_strip_to_placeholder()}
-		class="h-8 w-[100px] rounded border bg-surface px-2 text-xs text-ink focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring {toDate ? 'border-primary' : 'border-line'}"
-	/>
-
-	<!-- Document count -->
-	<span
-		data-testid="conv-strip-count"
-		class="ml-auto text-xs font-bold"
-		class:text-primary={hasDateFilter}
-		class:text-ink-3={!hasDateFilter}
-	>
-		{m.conv_letters_count({ count: documentCount ?? 0 })}
-	</span>
-
-	<!-- Sort button -->
-	<button
-		data-testid="conv-sort-btn"
-		type="button"
-		aria-label="Sortierung umkehren"
-		aria-pressed={sortDir === 'ASC'}
-		onclick={ontoggleSort}
-		class="flex h-8 min-h-[44px] items-center gap-1 rounded border px-3 text-xs font-bold"
-		class:border-primary={isActive}
-		class:text-primary={isActive}
-		class:border-line={!isActive}
-		class:text-ink-3={!isActive}
-	>
-		{#if sortDir === 'ASC'}
-			{m.conv_strip_sort_oldest()}
-			<svg
-				xmlns="http://www.w3.org/2000/svg"
-				width="10"
-				height="10"
-				viewBox="0 0 24 24"
-				fill="none"
-				stroke="currentColor"
-				stroke-width="2.5"
-				stroke-linecap="round"
-				stroke-linejoin="round"
-				aria-hidden="true"
-			>
-				<polyline points="18 15 12 9 6 15" />
-			</svg>
-		{:else}
-			{m.conv_strip_sort_newest()}
-			<svg
-				xmlns="http://www.w3.org/2000/svg"
-				width="10"
-				height="10"
-				viewBox="0 0 24 24"
-				fill="none"
-				stroke="currentColor"
-				stroke-width="2.5"
-				stroke-linecap="round"
-				stroke-linejoin="round"
-				aria-hidden="true"
-			>
-				<polyline points="6 9 12 15 18 9" />
-			</svg>
-		{/if}
-	</button>
-</div>

frontend/src/routes/korrespondenz/CorrespondenzPersonBar.svelte

@@ -1,129 +0,0 @@
-<script lang="ts">
-import PersonTypeahead from '$lib/components/PersonTypeahead.svelte';
-import CorrespondentSuggestionsDropdown from './CorrespondentSuggestionsDropdown.svelte';
-
-interface Props {
-	senderId?: string;
-	receiverId?: string;
-	initialSenderName?: string;
-	initialReceiverName?: string;
-	onapplyFilters: () => void;
-	onswapPersons: () => void;
-}
-
-let {
-	senderId = $bindable(''),
-	receiverId = $bindable(''),
-	initialSenderName = '',
-	initialReceiverName = '',
-	onapplyFilters,
-	onswapPersons
-}: Props = $props();
-
-interface Correspondent {
-	id: string;
-	firstName: string;
-	lastName: string;
-}
-
-let swapVisible = $derived(!!(senderId && receiverId));
-
-let showSuggestions = $state(false);
-let correspondents = $state<Correspondent[]>([]);
-let loadingCorrespondents = $state(false);
-
-async function handleCorrespondentFocused() {
-	if (!senderId) return;
-	showSuggestions = true;
-	loadingCorrespondents = true;
-	try {
-		const res = await fetch(`/api/persons/${senderId}/correspondents`);
-		correspondents = res.ok ? await res.json() : [];
-	} catch {
-		correspondents = [];
-	} finally {
-		loadingCorrespondents = false;
-	}
-}
-
-function handleSuggestionSelect(id: string) {
-	receiverId = id;
-	showSuggestions = false;
-	onapplyFilters();
-}
-</script>
-
-<div class="flex items-end gap-[9px] border-b border-line bg-surface px-4 py-[9px] sm:px-[18px]">
-	<!-- Person A -->
-	<div class="min-w-0 flex-1">
-		<PersonTypeahead
-			name="senderId"
-			label="Person"
-			bind:value={senderId}
-			initialName={initialSenderName}
-			compact={true}
-			restrictToCorrespondentsOf={receiverId || undefined}
-			onchange={() => onapplyFilters()}
-		/>
-	</div>
-
-	<!-- Swap button -->
-	<button
-		data-testid="conv-swap-btn"
-		type="button"
-		aria-label="Personen tauschen"
-		onclick={onswapPersons}
-		class="flex h-9 w-9 shrink-0 items-center justify-center rounded border border-line bg-surface text-ink-3 transition-colors hover:border-primary hover:text-primary"
-		class:opacity-0={!swapVisible}
-		class:pointer-events-none={!swapVisible}
-		tabindex={swapVisible ? 0 : -1}
-	>
-		<svg
-			xmlns="http://www.w3.org/2000/svg"
-			width="14"
-			height="14"
-			viewBox="0 0 24 24"
-			fill="none"
-			stroke="currentColor"
-			stroke-width="2"
-			stroke-linecap="round"
-			stroke-linejoin="round"
-			aria-hidden="true"
-		>
-			<path d="M7 16V4m0 0L3 8m4-4l4 4" />
-			<path d="M17 8v12m0 0l4-4m-4 4l-4-4" />
-		</svg>
-	</button>
-
-	<!-- Korrespondent field -->
-	<div
-		class="relative min-w-0 flex-1"
-		class:[&_input]:border-dashed={!receiverId}
-		class:[&_input]:border-solid={!!receiverId}
-		class:[&_input]:bg-canvas={!receiverId}
-	>
-		<PersonTypeahead
-			name="receiverId"
-			label={receiverId ? 'Korrespondent' : 'Korrespondent — optional'}
-			bind:value={receiverId}
-			initialName={initialReceiverName}
-			compact={true}
-			placeholder="Alle Korrespondenten"
-			restrictToCorrespondentsOf={senderId || undefined}
-			onchange={() => {
-				showSuggestions = false;
-				onapplyFilters();
-			}}
-			onfocused={handleCorrespondentFocused}
-		/>
-		{#if showSuggestions && senderId && !receiverId}
-			<CorrespondentSuggestionsDropdown
-				correspondents={correspondents}
-				loading={loadingCorrespondents}
-				senderName=""
-				onselect={handleSuggestionSelect}
-				onclose={() => (showSuggestions = false)}
-			/>
-		{/if}
-	</div>
-</div>

frontend/src/routes/persons/[id]/CoCorrespondentsList.svelte

@@ -30,7 +30,7 @@ function initials(name: string): string {
 		<div class="flex flex-wrap gap-2">
 			{#each coCorrespondents as c (c.id)}
 				<a
-					href="/korrespondenz?senderId={personId}&receiverId={c.id}"
+					href="/briefwechsel?senderId={personId}&receiverId={c.id}"
 					title={m.doc_conversation_title()}
 					class="inline-flex items-center gap-1.5 rounded-full border border-line bg-muted px-3 py-1.5 font-sans text-xs font-bold text-ink transition-colors hover:border-primary hover:bg-surface"
 				>