test(frontend): update mock data for displayName and nullable firstName

Add displayName and personType to all Person mock objects in
component and page tests. Update assertions from reversed
"lastName, firstName" format to forward-order displayName.

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

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

@@ -54,7 +54,15 @@ describe('korrespondenz load — senderId set, no receiverId', () => {
 		const docs = [{ id: 'd1', title: 'Testbrief' }];
 		const GET = mockApi([
 			{ ok: true, data: docs },
-			{ ok: true, data: { firstName: 'Hans', lastName: 'Müller' } }
+			{
+				ok: true,
+				data: {
+					firstName: 'Hans',
+					lastName: 'Müller',
+					displayName: 'Hans Müller',
+					personType: 'PERSON'
+				}
+			}
 		]);
 
 		const result = await load({
@@ -76,8 +84,24 @@ describe('korrespondenz load — senderId and receiverId set', () => {
 	it('calls conversation, sender person, and receiver person endpoints', async () => {
 		const GET = mockApi([
 			{ ok: true, data: [] },
-			{ ok: true, data: { firstName: 'Hans', lastName: 'Müller' } },
-			{ ok: true, data: { firstName: 'Anna', lastName: 'Schmidt' } }
+			{
+				ok: true,
+				data: {
+					firstName: 'Hans',
+					lastName: 'Müller',
+					displayName: 'Hans Müller',
+					personType: 'PERSON'
+				}
+			},
+			{
+				ok: true,
+				data: {
+					firstName: 'Anna',
+					lastName: 'Schmidt',
+					displayName: 'Anna Schmidt',
+					personType: 'PERSON'
+				}
+			}
 		]);
 
 		const result = await load({
@@ -98,7 +122,15 @@ describe('korrespondenz load — canWrite', () => {
 	it('derives canWrite true from WRITE_ALL permission', async () => {
 		mockApi([
 			{ ok: true, data: [] },
-			{ ok: true, data: { firstName: 'Hans', lastName: 'Müller' } }
+			{
+				ok: true,
+				data: {
+					firstName: 'Hans',
+					lastName: 'Müller',
+					displayName: 'Hans Müller',
+					personType: 'PERSON'
+				}
+			}
 		]);
 
 		const result = await load({
@@ -113,7 +145,15 @@ describe('korrespondenz load — canWrite', () => {
 	it('derives canWrite false when user lacks WRITE_ALL', async () => {
 		mockApi([
 			{ ok: true, data: [] },
-			{ ok: true, data: { firstName: 'Hans', lastName: 'Müller' } }
+			{
+				ok: true,
+				data: {
+					firstName: 'Hans',
+					lastName: 'Müller',
+					displayName: 'Hans Müller',
+					personType: 'PERSON'
+				}
+			}
 		]);
 
 		const result = await load({
@@ -132,7 +172,15 @@ describe('korrespondenz load — backend error', () => {
 	it('throws when the conversation endpoint returns non-ok', async () => {
 		mockApi([
 			{ ok: false, status: 500 },
-			{ ok: true, data: { firstName: 'Hans', lastName: 'Müller' } }
+			{
+				ok: true,
+				data: {
+					firstName: 'Hans',
+					lastName: 'Müller',
+					displayName: 'Hans Müller',
+					personType: 'PERSON'
+				}
+			}
 		]);
 
 		await expect(

frontend/src/routes/documents/new/page.svelte.spec.ts

@@ -58,7 +58,9 @@ describe('New document page – receiver prefill', () => {
 	it('shows a receiver chip when initialReceivers has a person', async () => {
 		const data = {
 			...baseData,
-			initialReceivers: [{ id: 'p2', firstName: 'Anna', lastName: 'Schmidt' }]
+			initialReceivers: [
+				{ id: 'p2', firstName: 'Anna', lastName: 'Schmidt', displayName: 'Anna Schmidt' }
+			]
 		};
 		render(Page, { data, form: null });
 		await expect.element(page.getByText('Anna Schmidt')).toBeInTheDocument();
@@ -67,7 +69,9 @@ describe('New document page – receiver prefill', () => {
 	it('renders a hidden receiverIds input for the prefilled receiver', async () => {
 		const data = {
 			...baseData,
-			initialReceivers: [{ id: 'p2', firstName: 'Anna', lastName: 'Schmidt' }]
+			initialReceivers: [
+				{ id: 'p2', firstName: 'Anna', lastName: 'Schmidt', displayName: 'Anna Schmidt' }
+			]
 		};
 		render(Page, { data, form: null });
 		const hidden = document.querySelector<HTMLInputElement>('input[name="receiverIds"]');

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

@@ -39,8 +39,22 @@ const makeDoc = (overrides = {}) => ({
 	status: 'UPLOADED' as const,
 	documentDate: '2024-03-15',
 	location: 'Berlin',
-	sender: { id: 'p1', firstName: 'Max', lastName: 'Mustermann' },
-	receivers: [{ id: 'p2', firstName: 'Anna', lastName: 'Musterfrau' }],
+	sender: {
+		id: 'p1',
+		firstName: 'Max',
+		lastName: 'Mustermann',
+		displayName: 'Max Mustermann',
+		personType: 'PERSON' as const
+	},
+	receivers: [
+		{
+			id: 'p2',
+			firstName: 'Anna',
+			lastName: 'Musterfrau',
+			displayName: 'Anna Musterfrau',
+			personType: 'PERSON' as const
+		}
+	],
 	tags: [{ id: 't1', name: 'Familie' }],
 	filePath: '/files/testbrief.pdf',
 	createdAt: '2024-03-15T10:00:00Z',

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

@@ -11,6 +11,7 @@ const makePerson = (overrides = {}) => ({
 	id: '1',
 	firstName: 'Max',
 	lastName: 'Mustermann',
+	displayName: 'Max Mustermann',
 	documentCount: 0,
 	...overrides
 });