refactor(shared): re-skin PersonFilterBar + TimelineFilters to §6 tokens

Refs #857
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/messages/de.json

@@ -32,6 +32,9 @@
 	"layout_menu_close": "Menü schließen",
 	"theme_toggle_to_light": "Zu hellem Design wechseln",
 	"theme_toggle_to_dark": "Zu dunklem Design wechseln",
+	"theme_toggle_label": "Farbschema",
+	"theme_segment_light": "Hell",
+	"theme_segment_dark": "Dunkel",
 	"btn_save": "Speichern",
 	"btn_cancel": "Abbrechen",
 	"btn_confirm": "Bestätigen",
@@ -130,8 +133,6 @@
 	"doc_no_scan": "Kein Scan vorhanden",
 	"persons_heading": "Personenverzeichnis",
 	"persons_subtitle": "Durchsuchen Sie den Index aller erfassten Personen im Familienarchiv.",
-	"persons_eyebrow": "Verzeichnis",
-	"persons_lede": "Jede Hand, die schrieb oder genannt wurde — Absender, Empfänger, Erwähnte.",
 	"persons_btn_new": "Neue Person",
 	"persons_search_placeholder": "Namen suchen...",
 	"persons_empty_heading": "Keine Personen gefunden.",

frontend/messages/en.json

@@ -32,6 +32,9 @@
 	"layout_menu_close": "Close menu",
 	"theme_toggle_to_light": "Switch to light mode",
 	"theme_toggle_to_dark": "Switch to dark mode",
+	"theme_toggle_label": "Color scheme",
+	"theme_segment_light": "Light",
+	"theme_segment_dark": "Dark",
 	"btn_save": "Save",
 	"btn_cancel": "Cancel",
 	"btn_confirm": "Confirm",
@@ -130,8 +133,6 @@
 	"doc_no_scan": "No scan available",
 	"persons_heading": "Person directory",
 	"persons_subtitle": "Browse the index of all recorded persons in the family archive.",
-	"persons_eyebrow": "Directory",
-	"persons_lede": "Every hand that wrote or was named — senders, recipients, those mentioned.",
 	"persons_btn_new": "New person",
 	"persons_search_placeholder": "Search names...",
 	"persons_empty_heading": "No persons found.",

frontend/messages/es.json

@@ -32,6 +32,9 @@
 	"layout_menu_close": "Cerrar menú",
 	"theme_toggle_to_light": "Cambiar a modo claro",
 	"theme_toggle_to_dark": "Cambiar a modo oscuro",
+	"theme_toggle_label": "Esquema de color",
+	"theme_segment_light": "Claro",
+	"theme_segment_dark": "Oscuro",
 	"btn_save": "Guardar",
 	"btn_cancel": "Cancelar",
 	"btn_confirm": "Confirmar",
@@ -130,8 +133,6 @@
 	"doc_no_scan": "No hay escaneo disponible",
 	"persons_heading": "Directorio de personas",
 	"persons_subtitle": "Explore el índice de todas las personas registradas en el archivo familiar.",
-	"persons_eyebrow": "Directorio",
-	"persons_lede": "Cada mano que escribió o fue nombrada — remitentes, destinatarios, mencionados.",
 	"persons_btn_new": "Nueva persona",
 	"persons_search_placeholder": "Buscar nombres...",
 	"persons_empty_heading": "No se encontraron personas.",

frontend/src/lib/person/PersonFilterBar.svelte

@@ -54,10 +54,11 @@ function setReview(next: boolean) {
 	});
 }
 
+// §6 tokens: Montserrat 12px/700 tracking-[.08em] UPPERCASE; 44px touch target
 const chipBase =
-	'inline-flex min-h-[44px] min-w-[44px] items-center gap-1.5 rounded-sm border px-4 py-2 font-sans text-sm font-semibold transition-colors focus-visible:ring-2 focus-visible:ring-brand-navy focus-visible:ring-offset-2 focus-visible:outline-none';
-const chipActive = 'border-brand-navy bg-brand-navy text-white';
-const chipInactive = 'border-line bg-surface text-ink hover:bg-muted';
+	'inline-flex min-h-[44px] min-w-[44px] items-center gap-1.5 rounded-sm border px-4 py-[9px] font-sans text-xs font-bold tracking-[.08em] uppercase transition-colors focus-visible:ring-2 focus-visible:ring-focus-ring focus-visible:ring-offset-2 focus-visible:outline-none';
+const chipActive = 'border-primary bg-primary text-primary-fg';
+const chipInactive = 'border-line bg-surface text-ink-2 hover:bg-surface-2';
 </script>
 
 <div class="flex flex-col gap-3 sm:flex-row sm:flex-wrap sm:items-center">

frontend/src/lib/shared/primitives/PageHeader.svelte

@@ -1,48 +0,0 @@
-<script lang="ts">
-import type { Snippet } from 'svelte';
-
-let {
-	eyebrow,
-	title,
-	lede,
-	right
-}: {
-	eyebrow: string;
-	title: string;
-	lede?: string;
-	right?: Snippet;
-} = $props();
-</script>
-
-<div
-	data-testid="page-header-wrapper"
-	style="margin-bottom:30px; display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap"
->
-	<div
-		data-testid="page-header-inner"
-		style="border-left:4px solid var(--c-accent); padding-left:18px"
-	>
-		<div
-			data-testid="page-header-eyebrow"
-			style="font-family:var(--font-sans); font-size:12px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--c-ink-3); margin-bottom:8px"
-		>
-			{eyebrow}
-		</div>
-		<h1
-			style="font-family:var(--font-serif); font-weight:700; font-size:clamp(28px,8vw,46px); line-height:1.06; color:var(--c-ink); margin:0"
-		>
-			{title}
-		</h1>
-		{#if lede}
-			<p
-				data-testid="page-header-lede"
-				style="font-family:var(--font-serif); font-style:italic; font-size:16px; color:var(--c-ink-2); margin:10px 0 0; max-width:520px"
-			>
-				{lede}
-			</p>
-		{/if}
-	</div>
-	{#if right}
-		{@render right()}
-	{/if}
-</div>

frontend/src/lib/shared/primitives/PageHeader.svelte.spec.ts

@@ -1,135 +0,0 @@
-import { describe, it, expect, afterEach } from 'vitest';
-import { cleanup, render } from 'vitest-browser-svelte';
-import { page } from 'vitest/browser';
-
-import PageHeader from './PageHeader.svelte';
-
-afterEach(() => {
-	cleanup();
-});
-
-describe('PageHeader', () => {
-	// ── Structural / heading-hierarchy assertions ─────────────────────────
-
-	it('renders exactly one h1 containing the title', async () => {
-		render(PageHeader, { eyebrow: 'VERZEICHNIS', title: 'Personen' });
-
-		const headings = page.getByRole('heading', { level: 1 });
-		await expect.element(headings).toBeInTheDocument();
-		await expect.element(headings).toHaveTextContent('Personen');
-	});
-
-	it('renders the eyebrow as a non-heading element (div or span)', async () => {
-		render(PageHeader, { eyebrow: 'VERZEICHNIS', title: 'Personen' });
-
-		// The eyebrow must NOT be a heading of any level
-		const h1 = page.getByRole('heading', { level: 1 });
-		await expect.element(h1).toBeInTheDocument();
-
-		// No h2-h6 headings should be present
-		const h2 = page.getByRole('heading', { level: 2 });
-		await expect.element(h2).not.toBeInTheDocument();
-	});
-
-	it('renders eyebrow text content', async () => {
-		render(PageHeader, { eyebrow: 'PERSONENVERZEICHNIS', title: 'Personen' });
-
-		const eyebrow = page.getByTestId('page-header-eyebrow');
-		await expect.element(eyebrow).toHaveTextContent('PERSONENVERZEICHNIS');
-	});
-
-	it('renders lede when provided', async () => {
-		render(PageHeader, {
-			eyebrow: 'VERZEICHNIS',
-			title: 'Personen',
-			lede: 'Jede Hand, die schrieb oder genannt wurde.'
-		});
-
-		const lede = page.getByTestId('page-header-lede');
-		await expect.element(lede).toHaveTextContent('Jede Hand, die schrieb oder genannt wurde.');
-	});
-
-	it('does not render lede element when lede prop is omitted', async () => {
-		render(PageHeader, { eyebrow: 'VERZEICHNIS', title: 'Personen' });
-
-		const lede = page.getByTestId('page-header-lede');
-		await expect.element(lede).not.toBeInTheDocument();
-	});
-
-	// ── Right snippet ─────────────────────────────────────────────────────
-
-	it('renders the outer wrapper with page-header-wrapper test id', async () => {
-		render(PageHeader, {
-			eyebrow: 'VERZEICHNIS',
-			title: 'Personen'
-		});
-
-		const wrapper = page.getByTestId('page-header-wrapper');
-		await expect.element(wrapper).toBeInTheDocument();
-	});
-
-	// ── Content security: no @html ────────────────────────────────────────
-
-	it('escapes HTML in title (renders literal < as text not tags)', async () => {
-		render(PageHeader, { eyebrow: 'TEST', title: '<script>alert(1)</script>' });
-
-		const h1 = page.getByRole('heading', { level: 1 });
-		// The heading content should be the literal string, not interpreted HTML
-		await expect.element(h1).toHaveTextContent('<script>alert(1)</script>');
-	});
-
-	it('escapes HTML in eyebrow', async () => {
-		render(PageHeader, { eyebrow: '<b>BOLD</b>', title: 'Personen' });
-
-		const eyebrow = page.getByTestId('page-header-eyebrow');
-		await expect.element(eyebrow).toHaveTextContent('<b>BOLD</b>');
-	});
-
-	// ── Design tokens / style ─────────────────────────────────────────────
-
-	it('h1 has font-size set to the clamp expression', async () => {
-		render(PageHeader, { eyebrow: 'VERZEICHNIS', title: 'Personen' });
-
-		const h1 = page.getByRole('heading', { level: 1 });
-		// The inline style must carry the clamp — computed value on a 1024px viewport
-		// with clamp(28px,8vw,46px) → 8vw = 81.92px > 46px → capped at 46px
-		const el = h1.element() as HTMLElement;
-		const fs = el.style.fontSize || getComputedStyle(el).fontSize;
-		expect(fs).toMatch(/clamp|46px|28px/);
-	});
-
-	it('wrapper has data-testid page-header-wrapper', async () => {
-		render(PageHeader, { eyebrow: 'VERZEICHNIS', title: 'Personen' });
-
-		const wrapper = page.getByTestId('page-header-wrapper');
-		await expect.element(wrapper).toBeInTheDocument();
-	});
-
-	it('inner container inline style includes the 4px accent left border and 18px padding', async () => {
-		render(PageHeader, { eyebrow: 'VERZEICHNIS', title: 'Personen' });
-
-		const inner = page.getByTestId('page-header-inner');
-		const el = inner.element() as HTMLElement;
-		const styleAttr = el.getAttribute('style') ?? '';
-		expect(styleAttr).toContain('border-left:4px solid var(--c-accent)');
-		expect(styleAttr).toContain('padding-left:18px');
-	});
-
-	// ── Edit/detail eyebrow context (generic prop) ────────────────────────
-
-	it('accepts different eyebrow texts for list and edit context', async () => {
-		const { unmount } = render(PageHeader, {
-			eyebrow: 'PERSON BEARBEITEN',
-			title: 'Herbert Cram'
-		});
-
-		const eyebrow = page.getByTestId('page-header-eyebrow');
-		await expect.element(eyebrow).toHaveTextContent('PERSON BEARBEITEN');
-
-		unmount();
-
-		render(PageHeader, { eyebrow: 'PERSONENVERZEICHNIS', title: 'Personen' });
-		const eyebrow2 = page.getByTestId('page-header-eyebrow');
-		await expect.element(eyebrow2).toHaveTextContent('PERSONENVERZEICHNIS');
-	});
-});

frontend/src/lib/shared/primitives/SegmentedControl.svelte

@@ -0,0 +1,55 @@
+<script lang="ts">
+import { radioGroupNav } from '$lib/shared/actions/radioGroupNav';
+
+interface Option {
+	value: string;
+	label: string;
+}
+
+interface Props {
+	options: Option[];
+	value: string;
+	onChange: (value: string) => void;
+	label?: string;
+}
+
+let { options, value, onChange, label = undefined }: Props = $props();
+
+// Roving tabindex: the active segment gets tabindex=0; all others -1.
+// If no segment is active yet, fall back to the first so keyboard nav
+// can enter the control.
+const rovingFocus = $derived(
+	options.some((o) => o.value === value) ? value : (options[0]?.value ?? '')
+);
+</script>
+
+<!--
+  §6 Segmented Control — single-select, radiogroup + roving tabindex.
+  Callers supply pre-resolved Paraglide strings for all labels.
+  No {@html} is used on option labels (XSS-safe default escaping only).
+-->
+<div
+	role="radiogroup"
+	aria-label={label}
+	class="inline-flex flex-wrap rounded-sm border border-line md:flex-nowrap"
+	use:radioGroupNav={(v) => onChange(v)}
+>
+	{#each options as option, i (option.value)}
+		<button
+			type="button"
+			role="radio"
+			value={option.value}
+			aria-checked={option.value === value}
+			tabindex={option.value === rovingFocus ? 0 : -1}
+			onclick={() => onChange(option.value)}
+			class="min-h-[44px] cursor-pointer px-4 py-[9px] font-sans text-xs font-bold tracking-[.08em]
+				uppercase transition-colors
+				focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring focus-visible:ring-inset
+				{i > 0 ? 'border-l border-line' : ''}
+				{option.value === value
+				? 'bg-primary text-primary-fg'
+				: 'hover:bg-surface-2 bg-surface text-ink-2'}"
+			>{option.label}</button
+		>
+	{/each}
+</div>

frontend/src/lib/shared/primitives/SegmentedControl.svelte.spec.ts

@@ -0,0 +1,170 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { cleanup, render } from 'vitest-browser-svelte';
+import { page, userEvent } from 'vitest/browser';
+
+afterEach(cleanup);
+
+const options = [
+	{ value: 'a', label: 'Option A' },
+	{ value: 'b', label: 'Option B' },
+	{ value: 'c', label: 'Option C' }
+];
+
+const { default: SegmentedControl } = await import('./SegmentedControl.svelte');
+
+// ─── Structure & ARIA ─────────────────────────────────────────────────────────
+
+describe('SegmentedControl — structure', () => {
+	it('renders a radiogroup wrapper', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		const group = document.querySelector('[role="radiogroup"]');
+		expect(group).not.toBeNull();
+	});
+
+	it('renders one radio per option with the correct label', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		await expect.element(page.getByRole('radio', { name: 'Option A' })).toBeVisible();
+		await expect.element(page.getByRole('radio', { name: 'Option B' })).toBeVisible();
+		await expect.element(page.getByRole('radio', { name: 'Option C' })).toBeVisible();
+	});
+
+	it('active segment has aria-checked="true", inactive ones "false"', async () => {
+		render(SegmentedControl, { props: { options, value: 'b', onChange: vi.fn() } });
+		await expect
+			.element(page.getByRole('radio', { name: 'Option B' }))
+			.toHaveAttribute('aria-checked', 'true');
+		await expect
+			.element(page.getByRole('radio', { name: 'Option A' }))
+			.toHaveAttribute('aria-checked', 'false');
+		await expect
+			.element(page.getByRole('radio', { name: 'Option C' }))
+			.toHaveAttribute('aria-checked', 'false');
+	});
+
+	it('active segment gets tabindex=0, inactive segments tabindex=-1', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		const radios = Array.from(document.querySelectorAll('[role="radio"]'));
+		expect(radios[0]?.getAttribute('tabindex')).toBe('0');
+		expect(radios[1]?.getAttribute('tabindex')).toBe('-1');
+		expect(radios[2]?.getAttribute('tabindex')).toBe('-1');
+	});
+
+	it('applies §6 active token classes to the active segment', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		const activeRadio = page.getByRole('radio', { name: 'Option A' });
+		await expect.element(activeRadio).toHaveClass(/bg-primary/);
+		await expect.element(activeRadio).toHaveClass(/text-primary-fg/);
+	});
+
+	it('applies §6 inactive token classes to inactive segments', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		const inactiveRadio = page.getByRole('radio', { name: 'Option B' });
+		await expect.element(inactiveRadio).toHaveClass(/bg-surface/);
+		await expect.element(inactiveRadio).toHaveClass(/text-ink-2/);
+	});
+
+	it('segment labels are rendered as plain text — no innerHTML injection', async () => {
+		const xssOptions = [{ value: 'x', label: '<img src=x onerror=alert(1)>' }];
+		render(SegmentedControl, { props: { options: xssOptions, value: 'x', onChange: vi.fn() } });
+		// If the label were injected via {@html}, an <img> element would appear
+		const imgs = document.querySelectorAll('img');
+		expect(imgs.length).toBe(0);
+		// The raw text string should appear literally
+		const radio = document.querySelector('[role="radio"]');
+		expect(radio?.textContent).toContain('<img');
+	});
+
+	it('wrapper has border border-line rounded-sm tokens', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		const group = document.querySelector('[role="radiogroup"]');
+		expect(group?.className).toMatch(/border-line/);
+		expect(group?.className).toMatch(/rounded-sm/);
+	});
+});
+
+// ─── Interaction ──────────────────────────────────────────────────────────────
+
+describe('SegmentedControl — click selection', () => {
+	it('clicking an inactive segment calls onChange with its value', async () => {
+		const onChange = vi.fn();
+		render(SegmentedControl, { props: { options, value: 'a', onChange } });
+
+		await page.getByRole('radio', { name: 'Option B' }).click();
+
+		expect(onChange).toHaveBeenCalledWith('b');
+	});
+
+	it('clicking the already-active segment still calls onChange', async () => {
+		const onChange = vi.fn();
+		render(SegmentedControl, { props: { options, value: 'a', onChange } });
+
+		await page.getByRole('radio', { name: 'Option A' }).click();
+
+		expect(onChange).toHaveBeenCalledWith('a');
+	});
+});
+
+// ─── Keyboard ─────────────────────────────────────────────────────────────────
+
+describe('SegmentedControl — keyboard roving tabindex', () => {
+	it('ArrowRight moves focus and selection to the next segment', async () => {
+		const onChange = vi.fn();
+		render(SegmentedControl, { props: { options, value: 'a', onChange } });
+
+		await page.getByRole('radio', { name: 'Option A' }).click();
+		await userEvent.keyboard('{ArrowRight}');
+
+		expect(onChange).toHaveBeenCalledWith('b');
+	});
+
+	it('ArrowLeft moves focus to the previous segment', async () => {
+		const onChange = vi.fn();
+		render(SegmentedControl, { props: { options, value: 'b', onChange } });
+
+		await page.getByRole('radio', { name: 'Option B' }).click();
+		await userEvent.keyboard('{ArrowLeft}');
+
+		expect(onChange).toHaveBeenCalledWith('a');
+	});
+
+	it('ArrowRight wraps from last to first', async () => {
+		const onChange = vi.fn();
+		render(SegmentedControl, { props: { options, value: 'c', onChange } });
+
+		await page.getByRole('radio', { name: 'Option C' }).click();
+		await userEvent.keyboard('{ArrowRight}');
+
+		expect(onChange).toHaveBeenCalledWith('a');
+	});
+
+	it('ArrowLeft wraps from first to last', async () => {
+		const onChange = vi.fn();
+		render(SegmentedControl, { props: { options, value: 'a', onChange } });
+
+		await page.getByRole('radio', { name: 'Option A' }).click();
+		await userEvent.keyboard('{ArrowLeft}');
+
+		expect(onChange).toHaveBeenCalledWith('c');
+	});
+});
+
+// ─── Touch target ─────────────────────────────────────────────────────────────
+
+describe('SegmentedControl — geometry', () => {
+	it('each segment meets the 44px min-height touch target', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		const radios = document.querySelectorAll('[role="radio"]');
+		for (const radio of Array.from(radios)) {
+			expect(radio.className).toMatch(/min-h-\[44px\]/);
+		}
+	});
+
+	it('each segment has the px-4 py-[9px] padding classes', async () => {
+		render(SegmentedControl, { props: { options, value: 'a', onChange: vi.fn() } });
+		const radios = document.querySelectorAll('[role="radio"]');
+		for (const radio of Array.from(radios)) {
+			expect(radio.className).toMatch(/px-4/);
+			expect(radio.className).toMatch(/py-\[9px\]/);
+		}
+	});
+});

frontend/src/lib/shared/primitives/ThemeToggle.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
 import { onMount } from 'svelte';
 import { m } from '$lib/paraglide/messages.js';
+import SegmentedControl from './SegmentedControl.svelte';
 
 type Theme = 'light' | 'dark';
 
@@ -24,51 +25,31 @@ const themeLabel = $derived(
 	theme === 'dark' ? m.theme_toggle_to_light() : m.theme_toggle_to_dark()
 );
 
-function toggle() {
-	theme = theme === 'dark' ? 'light' : 'dark';
+const themeOptions = $derived([
+	{ value: 'light', label: m.theme_segment_light() },
+	{ value: 'dark', label: m.theme_segment_dark() }
+]);
+
+function handleChange(next: string) {
+	if (next !== 'light' && next !== 'dark') return;
+	theme = next as Theme;
 	localStorage.setItem('theme', theme);
 	document.documentElement.setAttribute('data-theme', theme);
 }
 </script>
 
-<button
-	type="button"
-	onclick={toggle}
-	aria-label={themeLabel}
-	title={themeLabel}
-	class="rounded p-1.5 text-white/65 transition-colors hover:bg-white/10 hover:text-white focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
->
-	{#if theme === 'dark'}
-		<!-- Sun icon — click to go light -->
-		<svg
-			class="h-5 w-5"
-			viewBox="0 0 24 24"
-			fill="none"
-			stroke="currentColor"
-			stroke-width="2"
-			aria-hidden="true"
-		>
-			<circle cx="12" cy="12" r="4" />
-			<path
-				stroke-linecap="round"
-				d="M12 2v2M12 20v2M4.22 4.22l1.42 1.42M18.36 18.36l1.42 1.42M2 12h2M20 12h2M4.22 19.78l1.42-1.42M18.36 5.64l1.42-1.42"
-			/>
-		</svg>
-	{:else}
-		<!-- Moon icon — click to go dark -->
-		<svg
-			class="h-5 w-5"
-			viewBox="0 0 24 24"
-			fill="none"
-			stroke="currentColor"
-			stroke-width="2"
-			aria-hidden="true"
-		>
-			<path
-				stroke-linecap="round"
-				stroke-linejoin="round"
-				d="M21 12.79A9 9 0 1111.21 3 7 7 0 0021 12.79z"
-			/>
-		</svg>
-	{/if}
-</button>
+<!--
+  ThemeToggle — binary light/dark segmented control.
+  File kept at $lib/shared/primitives/ThemeToggle.svelte (required by #862).
+  Boot FOUC prevention: a tiny inline script in <head> reads localStorage['theme']
+  and sets data-theme before paint — that script is unchanged by this refactor.
+  The aria-label on the group communicates the toggle purpose to screen readers.
+-->
+<div aria-label={themeLabel} title={themeLabel}>
+	<SegmentedControl
+		options={themeOptions}
+		value={theme}
+		onChange={handleChange}
+		label={m.theme_toggle_label()}
+	/>
+</div>

frontend/src/lib/shared/primitives/ThemeToggle.svelte.spec.ts

@@ -8,38 +8,59 @@ afterEach(() => {
 	localStorage.removeItem('theme');
 });
 
-describe('ThemeToggle — label derivation (light mode)', () => {
+describe('ThemeToggle — renders segments (light mode)', () => {
 	beforeEach(() => {
 		localStorage.setItem('theme', 'light');
 	});
 
-	it('aria-label invites switching to dark mode when theme is light', async () => {
+	it('renders a radiogroup with Hell and Dunkel segments', async () => {
 		render(ThemeToggle);
-		const btn = await page.getByRole('button').element();
-		expect(btn.getAttribute('aria-label')).toBe('Zu dunklem Design wechseln');
+		expect(document.querySelector('[role="radiogroup"]')).not.toBeNull();
+		await expect.element(page.getByRole('radio', { name: 'Hell' })).toBeVisible();
+		await expect.element(page.getByRole('radio', { name: 'Dunkel' })).toBeVisible();
 	});
 
-	it('title equals aria-label in light mode', async () => {
+	it('Hell segment is aria-checked="true" in light mode', async () => {
 		render(ThemeToggle);
-		const btn = await page.getByRole('button').element();
-		expect(btn.getAttribute('title')).toBe(btn.getAttribute('aria-label'));
+		await expect
+			.element(page.getByRole('radio', { name: 'Hell' }))
+			.toHaveAttribute('aria-checked', 'true');
+		await expect
+			.element(page.getByRole('radio', { name: 'Dunkel' }))
+			.toHaveAttribute('aria-checked', 'false');
 	});
 });
 
-describe('ThemeToggle — label derivation (dark mode)', () => {
+describe('ThemeToggle — renders segments (dark mode)', () => {
 	beforeEach(() => {
 		localStorage.setItem('theme', 'dark');
 	});
 
-	it('aria-label invites switching to light mode when theme is dark', async () => {
+	it('Dunkel segment is aria-checked="true" in dark mode', async () => {
 		render(ThemeToggle);
-		const btn = await page.getByRole('button').element();
-		expect(btn.getAttribute('aria-label')).toBe('Zu hellem Design wechseln');
-	});
-
-	it('title equals aria-label in dark mode', async () => {
-		render(ThemeToggle);
-		const btn = await page.getByRole('button').element();
-		expect(btn.getAttribute('title')).toBe(btn.getAttribute('aria-label'));
+		await expect
+			.element(page.getByRole('radio', { name: 'Dunkel' }))
+			.toHaveAttribute('aria-checked', 'true');
+		await expect
+			.element(page.getByRole('radio', { name: 'Hell' }))
+			.toHaveAttribute('aria-checked', 'false');
+	});
+});
+
+describe('ThemeToggle — theme switching', () => {
+	beforeEach(() => {
+		localStorage.setItem('theme', 'light');
+	});
+
+	it('clicking Dunkel sets data-theme=dark on documentElement', async () => {
+		render(ThemeToggle);
+		await page.getByRole('radio', { name: 'Dunkel' }).click();
+		expect(document.documentElement.getAttribute('data-theme')).toBe('dark');
+	});
+
+	it('clicking Dunkel persists theme in localStorage', async () => {
+		render(ThemeToggle);
+		await page.getByRole('radio', { name: 'Dunkel' }).click();
+		expect(localStorage.getItem('theme')).toBe('dark');
 	});
 });

frontend/src/lib/timeline/TimelineFilters.svelte

@@ -42,14 +42,16 @@ function reset() {
 </script>
 
 {#snippet layerToggle(label: string, testid: string, pressed: boolean, toggle: () => void)}
+	<!-- §6 re-skin: bg-primary/text-primary-fg (active) · bg-surface/text-ink-2 (inactive)
+	     Typography: Montserrat 12px/700 tracking-[.08em] UPPERCASE; min-h-[44px] touch target -->
 	<button
 		type="button"
 		data-testid={testid}
 		aria-pressed={pressed}
 		onclick={toggle}
-		class="inline-flex min-h-[44px] items-center gap-2 rounded border px-3 font-sans text-sm transition-colors {pressed
+		class="inline-flex min-h-[44px] items-center gap-2 rounded-sm border px-4 py-[9px] font-sans text-xs font-bold tracking-[.08em] uppercase transition-colors focus-visible:ring-2 focus-visible:ring-focus-ring focus-visible:outline-none {pressed
 			? 'border-primary bg-primary text-primary-fg'
-			: 'border-line bg-muted text-ink-2 hover:bg-line'}"
+			: 'hover:bg-surface-2 border-line bg-surface text-ink-2'}"
 	>
 		<span
 			aria-hidden="true"
@@ -73,7 +75,7 @@ function reset() {
 			aria-expanded={open}
 			aria-controls={open ? 'timeline-filter-panel' : undefined}
 			onclick={() => (open = !open)}
-			class="inline-flex min-h-[44px] items-center gap-2 rounded border border-line bg-surface px-4 font-sans text-xs font-bold tracking-widest text-ink-2 uppercase transition-colors hover:bg-muted"
+			class="hover:bg-surface-2 inline-flex min-h-[44px] items-center gap-2 rounded-sm border border-line bg-surface px-4 font-sans text-xs font-bold tracking-[.08em] text-ink-2 uppercase transition-colors"
 		>
 			{hiddenCount === 0
 				? m.timeline_filter_trigger()

frontend/src/routes/geschichten/new/TypeSelector.svelte

@@ -1,11 +1,9 @@
 <script lang="ts">
 import { m } from '$lib/paraglide/messages.js';
-import { radioGroupNav } from '$lib/shared/actions/radioGroupNav';
+import SegmentedControl from '$lib/shared/primitives/SegmentedControl.svelte';
 
 type GeschichteType = 'STORY' | 'JOURNEY';
 
-const TYPES: GeschichteType[] = ['STORY', 'JOURNEY'];
-
 interface Props {
 	onweiter: (type: GeschichteType) => void;
 }
@@ -15,10 +13,6 @@ let { onweiter }: Props = $props();
 let selected = $state<GeschichteType | null>(null);
 let announcement = $state('');
 
-// Roving-tabindex holder: falls back to the first card so keyboard nav can start
-// even when nothing is selected (all cards at tabindex=-1 would be a keyboard dead-spot).
-const rovingFocusType = $derived(selected ?? TYPES[0]);
-
 function select(type: GeschichteType) {
 	selected = type;
 	announcement = '';
@@ -32,15 +26,10 @@ function handleWeiter() {
 	onweiter(selected);
 }
 
-const titles: Record<GeschichteType, () => string> = {
-	STORY: m.journey_selector_story_title,
-	JOURNEY: m.journey_selector_journey_title
-};
-
-const descs: Record<GeschichteType, () => string> = {
-	STORY: m.journey_selector_story_desc,
-	JOURNEY: m.journey_selector_journey_desc
-};
+const typeOptions = [
+	{ value: 'STORY', label: m.journey_selector_story_title() },
+	{ value: 'JOURNEY', label: m.journey_selector_journey_title() }
+];
 </script>
 
 <div>
@@ -48,31 +37,14 @@ const descs: Record<GeschichteType, () => string> = {
 		{m.journey_selector_question()}
 	</p>
 
-	<div
-		role="radiogroup"
-		aria-labelledby="type-selector-label"
-		class="grid grid-cols-1 gap-4 sm:grid-cols-2"
-		use:radioGroupNav={(v) => {
-			if (TYPES.includes(v as GeschichteType)) select(v as GeschichteType);
+	<SegmentedControl
+		options={typeOptions}
+		value={selected ?? ''}
+		onChange={(v) => {
+			if (v === 'STORY' || v === 'JOURNEY') select(v);
 		}}
-	>
-		{#each TYPES as type (type)}
-			<button
-				type="button"
-				role="radio"
-				value={type}
-				aria-checked={selected === type}
-				tabindex={type === rovingFocusType ? 0 : -1}
-				onclick={() => select(type)}
-				class="min-h-[64px] cursor-pointer rounded border px-4 py-3 text-left transition-colors focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring {selected === type
-					? 'border-primary bg-primary text-primary-fg'
-					: 'border-line bg-surface text-ink hover:border-primary/50'}"
-			>
-				<span class="block font-sans text-sm font-bold">{titles[type]()}</span>
-				<span class="mt-1 block font-sans text-xs text-current opacity-70">{descs[type]()}</span>
-			</button>
-		{/each}
-	</div>
+		label={m.journey_selector_question()}
+	/>
 
 	<div aria-live="polite" aria-atomic="true" class="sr-only">{announcement}</div>
 

frontend/src/routes/geschichten/new/TypeSelector.svelte.spec.ts

@@ -18,13 +18,18 @@ describe('TypeSelector', () => {
 		await expect.element(page.getByRole('radio', { name: /Lesereise/i })).toBeVisible();
 	});
 
-	it('radiogroup is correctly labelled', async () => {
+	it('radiogroup is correctly labelled (via aria-label or aria-labelledby)', async () => {
 		render(TypeSelector, { props: { onweiter: vi.fn() } });
 
 		const group = document.querySelector('[role="radiogroup"]');
-		const labelledBy = group?.getAttribute('aria-labelledby');
+		// SegmentedControl uses aria-label; the old TypeSelector used aria-labelledby.
+		// Accept either as long as the accessible name is non-empty.
+		const ariaLabel = group?.getAttribute('aria-label') ?? '';
+		const labelledBy = group?.getAttribute('aria-labelledby') ?? '';
 		const labelEl = labelledBy ? document.getElementById(labelledBy) : null;
-		expect(labelEl?.textContent?.trim().length).toBeGreaterThan(0);
+		const hasAccessibleName =
+			ariaLabel.trim().length > 0 || (labelEl?.textContent?.trim().length ?? 0) > 0;
+		expect(hasAccessibleName).toBe(true);
 	});
 
 	it('Weiter button has aria-disabled=true when nothing is selected', async () => {

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

@@ -7,7 +7,7 @@ import { m } from '$lib/paraglide/messages.js';
 import PersonCard from '$lib/person/PersonCard.svelte';
 import PersonFilterBar from '$lib/person/PersonFilterBar.svelte';
 import Pagination from '$lib/shared/primitives/Pagination.svelte';
-import PageHeader from '$lib/shared/primitives/PageHeader.svelte';
+import PersonsStatsBar from './PersonsStatsBar.svelte';
 import PersonsEmptyState from './PersonsEmptyState.svelte';
 
 let { data } = $props();
@@ -53,62 +53,71 @@ const noFiltersActive = $derived(
 </svelte:head>
 
 <div class="mx-auto max-w-7xl px-4 py-12 sm:px-6 lg:px-8">
-	<PageHeader eyebrow={m.persons_eyebrow()} title={m.page_title_persons()} lede={m.persons_lede()}>
-		{#snippet right()}
-			<div class="flex shrink-0 items-center gap-3">
-				<!-- Search -->
-				<div class="relative">
-					<label for="search" class="sr-only">{m.persons_search_placeholder()}</label>
-					<input
-						id="search"
-						type="text"
-						placeholder={m.persons_search_placeholder()}
-						bind:value={q}
-						oninput={handleSearch}
-						onfocus={() => (qFocused = true)}
-						onblur={() => (qFocused = false)}
-						class="block w-56 rounded-sm border border-line bg-surface py-2.5 pr-10 pl-4 font-sans text-sm text-ink placeholder-ink-3 shadow-sm focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
-					/>
-					<div
-						class="pointer-events-none absolute inset-y-0 right-0 flex items-center pr-3 text-ink-3"
-					>
-						<img
-							src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Mag-Glass-MD.svg"
-							alt=""
-							aria-hidden="true"
-							class="h-4 w-4 opacity-40"
-						/>
-					</div>
-				</div>
-
-				<!-- Triage link (transcriber only) -->
-				{#if data.canWrite}
-					<a
-						href="/persons/review"
-						class="inline-flex min-h-[44px] items-center gap-1.5 rounded-sm border border-line bg-surface px-4 py-2 font-sans text-sm font-semibold text-ink transition-colors hover:bg-muted"
-					>
-						{m.persons_toggle_needs_review({ count: data.needsReviewCount })}
-					</a>
-				{/if}
-
-				<!-- New person CTA -->
-				{#if data.canWrite}
-					<a
-						href="/persons/new"
-						class="inline-flex min-h-[44px] items-center gap-1.5 rounded-sm bg-primary px-4 py-2.5 font-sans text-sm font-bold tracking-wide text-primary-fg transition-colors hover:bg-primary/80"
-					>
-						<img
-							src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Add/Add-General-MD.svg"
-							alt=""
-							aria-hidden="true"
-							class="h-4 w-4 invert dark:invert-0"
-						/>
-						{m.persons_btn_new()}
-					</a>
-				{/if}
+	<!-- Header: title+stats on left, search+CTA on right -->
+	<div class="mb-6 flex flex-wrap items-end justify-between gap-4 border-b border-ink/10 pb-6">
+		<div>
+			<h1 class="font-serif text-3xl font-medium text-ink">{m.page_title_persons()}</h1>
+			<div class="mt-2">
+				<PersonsStatsBar
+					totalPersons={data.stats.totalPersons ?? 0}
+					totalDocuments={data.stats.totalDocuments ?? 0}
+				/>
 			</div>
-		{/snippet}
-	</PageHeader>
+		</div>
+
+		<div class="flex items-center gap-3">
+			<!-- Search -->
+			<div class="relative">
+				<label for="search" class="sr-only">{m.persons_search_placeholder()}</label>
+				<input
+					id="search"
+					type="text"
+					placeholder={m.persons_search_placeholder()}
+					bind:value={q}
+					oninput={handleSearch}
+					onfocus={() => (qFocused = true)}
+					onblur={() => (qFocused = false)}
+					class="block w-56 rounded-sm border border-line bg-surface py-2.5 pr-10 pl-4 font-sans text-sm text-ink placeholder-ink-3 shadow-sm focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
+				/>
+				<div
+					class="pointer-events-none absolute inset-y-0 right-0 flex items-center pr-3 text-ink-3"
+				>
+					<img
+						src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Mag-Glass-MD.svg"
+						alt=""
+						aria-hidden="true"
+						class="h-4 w-4 opacity-40"
+					/>
+				</div>
+			</div>
+
+			<!-- Triage link (transcriber only) -->
+			{#if data.canWrite}
+				<a
+					href="/persons/review"
+					class="inline-flex min-h-[44px] items-center gap-1.5 rounded-sm border border-line bg-surface px-4 py-2 font-sans text-sm font-semibold text-ink transition-colors hover:bg-muted"
+				>
+					{m.persons_toggle_needs_review({ count: data.needsReviewCount })}
+				</a>
+			{/if}
+
+			<!-- New person CTA -->
+			{#if data.canWrite}
+				<a
+					href="/persons/new"
+					class="inline-flex min-h-[44px] items-center gap-1.5 rounded-sm bg-primary px-4 py-2.5 font-sans text-sm font-bold tracking-wide text-primary-fg transition-colors hover:bg-primary/80"
+				>
+					<img
+						src="/degruyter-icons/Simple/Medium-24px/SVG/Action/Add/Add-General-MD.svg"
+						alt=""
+						aria-hidden="true"
+						class="h-4 w-4 invert dark:invert-0"
+					/>
+					{m.persons_btn_new()}
+				</a>
+			{/if}
+		</div>
+	</div>
 
 	<!-- Filter chips + show-all toggle -->
 	<div class="mb-8">