refactor(document): migrate frontend from DocumentSearchItem to flat DocumentListItem

All components, specs, and the generated API client now use the new
DocumentListItem shape — flat access (item.title, item.sender) instead of
the removed item.document.* nesting.

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

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

@@ -8,24 +8,17 @@ vi.mock('$app/navigation', () => ({ goto: vi.fn() }));
 
 afterEach(() => cleanup());
 
-type DocumentSearchItem = components['schemas']['DocumentSearchItem'];
+type DocumentListItem = components['schemas']['DocumentListItem'];
 
-function makeItem(overrides: Partial<DocumentSearchItem> = {}): DocumentSearchItem {
+function makeItem(overrides: Partial<DocumentListItem> = {}): DocumentListItem {
 	return {
-		document: {
-			id: '1',
-			title: 'Testbrief',
-			originalFilename: 'testbrief.pdf',
-			status: 'UPLOADED',
-			documentDate: '2024-03-15',
-			sender: undefined,
-			receivers: [],
-			tags: [],
-			createdAt: '2024-01-01T00:00:00Z',
-			updatedAt: '2024-01-01T00:00:00Z',
-			metadataComplete: false,
-			scriptType: 'UNKNOWN'
-		},
+		id: '1',
+		title: 'Testbrief',
+		originalFilename: 'testbrief.pdf',
+		documentDate: '2024-03-15',
+		sender: undefined,
+		receivers: [],
+		tags: [],
 		matchData: {
 			titleOffsets: [],
 			senderMatched: false,
@@ -75,8 +68,8 @@ describe('DocumentList – empty state', () => {
 describe('DocumentList – year grouping', () => {
 	it('groups documents by year into separate cards', async () => {
 		const items = [
-			makeItem({ document: { ...makeItem().document, id: '1', documentDate: '1923-04-12' } }),
-			makeItem({ document: { ...makeItem().document, id: '2', documentDate: '1965-08-03' } })
+			makeItem({ id: '1', documentDate: '1923-04-12' }),
+			makeItem({ id: '2', documentDate: '1965-08-03' })
 		];
 		render(DocumentList, { ...baseProps, items, total: 2 });
 		const groupCards = page.getByTestId('group-card');
@@ -85,17 +78,15 @@ describe('DocumentList – year grouping', () => {
 	});
 
 	it('uses undated label for items with no documentDate', async () => {
-		const items = [
-			makeItem({ document: { ...makeItem().document, id: '1', documentDate: undefined } })
-		];
+		const items = [makeItem({ id: '1', documentDate: undefined })];
 		render(DocumentList, { ...baseProps, items, total: 1 });
 		await expect.element(page.getByText('Undatiert')).toBeInTheDocument();
 	});
 
 	it('single year renders one group-card', async () => {
 		const items = [
-			makeItem({ document: { ...makeItem().document, id: '1', documentDate: '1938-01-01' } }),
-			makeItem({ document: { ...makeItem().document, id: '2', documentDate: '1938-06-15' } })
+			makeItem({ id: '1', documentDate: '1938-01-01' }),
+			makeItem({ id: '2', documentDate: '1938-06-15' })
 		];
 		render(DocumentList, { ...baseProps, items, total: 2 });
 		const groupCards = page.getByTestId('group-card');
@@ -108,9 +99,7 @@ describe('DocumentList – year grouping', () => {
 
 describe('DocumentList – sort fallback', () => {
 	it('falls back to year grouping when sort is not SENDER or RECEIVER', async () => {
-		const items = [
-			makeItem({ document: { ...makeItem().document, id: '1', documentDate: '2024-03-15' } })
-		];
+		const items = [makeItem({ id: '1', documentDate: '2024-03-15' })];
 		render(DocumentList, { ...baseProps, items, total: 1, sort: 'TITLE' });
 		await expect
 			.element(page.getByTestId('group-header').filter({ hasText: '2024' }))
@@ -124,29 +113,23 @@ describe('DocumentList – sender grouping', () => {
 	it('groups by sender displayName when sort is SENDER', async () => {
 		const items = [
 			makeItem({
-				document: {
-					...makeItem().document,
-					id: '1',
-					sender: {
-						id: 's1',
-						lastName: 'Mustermann',
-						displayName: 'Max Mustermann',
-						personType: 'PERSON',
-						familyMember: false
-					}
+				id: '1',
+				sender: {
+					id: 's1',
+					lastName: 'Mustermann',
+					displayName: 'Max Mustermann',
+					personType: 'PERSON',
+					familyMember: false
 				}
 			}),
 			makeItem({
-				document: {
-					...makeItem().document,
-					id: '2',
-					sender: {
-						id: 's2',
-						lastName: 'Musterfrau',
-						displayName: 'Anna Musterfrau',
-						personType: 'PERSON',
-						familyMember: false
-					}
+				id: '2',
+				sender: {
+					id: 's2',
+					lastName: 'Musterfrau',
+					displayName: 'Anna Musterfrau',
+					personType: 'PERSON',
+					familyMember: false
 				}
 			})
 		];
@@ -167,10 +150,7 @@ describe('DocumentList – sender grouping', () => {
 			personType: 'PERSON' as const,
 			familyMember: false
 		};
-		const items = [
-			makeItem({ document: { ...makeItem().document, id: '1', sender } }),
-			makeItem({ document: { ...makeItem().document, id: '2', sender } })
-		];
+		const items = [makeItem({ id: '1', sender }), makeItem({ id: '2', sender })];
 		render(DocumentList, { ...baseProps, items, total: 2, sort: 'SENDER' });
 		const cards = page.getByTestId('group-card');
 		await expect.element(cards.first()).toBeInTheDocument();
@@ -178,7 +158,7 @@ describe('DocumentList – sender grouping', () => {
 	});
 
 	it('places items with no sender under fallback label', async () => {
-		const items = [makeItem({ document: { ...makeItem().document, id: '1', sender: undefined } })];
+		const items = [makeItem({ id: '1', sender: undefined })];
 		render(DocumentList, { ...baseProps, items, total: 1, sort: 'SENDER' });
 		await expect.element(page.getByText('Unbekannter Absender')).toBeInTheDocument();
 	});
@@ -190,19 +170,16 @@ describe('DocumentList – receiver grouping', () => {
 	it('groups by receiver displayName when sort is RECEIVER', async () => {
 		const items = [
 			makeItem({
-				document: {
-					...makeItem().document,
-					id: '1',
-					receivers: [
-						{
-							id: 'r1',
-							lastName: 'Brandt',
-							displayName: 'Felix Brandt',
-							personType: 'PERSON',
-							familyMember: false
-						}
-					]
-				}
+				id: '1',
+				receivers: [
+					{
+						id: 'r1',
+						lastName: 'Brandt',
+						displayName: 'Felix Brandt',
+						personType: 'PERSON',
+						familyMember: false
+					}
+				]
 			})
 		];
 		render(DocumentList, { ...baseProps, items, total: 1, sort: 'RECEIVER' });
@@ -214,27 +191,24 @@ describe('DocumentList – receiver grouping', () => {
 	it('duplicates a document into each receiver group', async () => {
 		const items = [
 			makeItem({
-				document: {
-					...makeItem().document,
-					id: '1',
-					title: 'Rundbriefchen',
-					receivers: [
-						{
-							id: 'r1',
-							lastName: 'Brandt',
-							displayName: 'Felix Brandt',
-							personType: 'PERSON',
-							familyMember: false
-						},
-						{
-							id: 'r2',
-							lastName: 'Meier',
-							displayName: 'Hans Meier',
-							personType: 'PERSON',
-							familyMember: false
-						}
-					]
-				}
+				id: '1',
+				title: 'Rundbriefchen',
+				receivers: [
+					{
+						id: 'r1',
+						lastName: 'Brandt',
+						displayName: 'Felix Brandt',
+						personType: 'PERSON',
+						familyMember: false
+					},
+					{
+						id: 'r2',
+						lastName: 'Meier',
+						displayName: 'Hans Meier',
+						personType: 'PERSON',
+						familyMember: false
+					}
+				]
 			})
 		];
 		render(DocumentList, { ...baseProps, items, total: 1, sort: 'RECEIVER' });
@@ -249,7 +223,7 @@ describe('DocumentList – receiver grouping', () => {
 	});
 
 	it('places items with no receivers under fallback label', async () => {
-		const items = [makeItem({ document: { ...makeItem().document, id: '1', receivers: [] } })];
+		const items = [makeItem({ id: '1', receivers: [] })];
 		render(DocumentList, { ...baseProps, items, total: 1, sort: 'RECEIVER' });
 		await expect.element(page.getByText('Unbekannter Empfänger')).toBeInTheDocument();
 	});
@@ -261,7 +235,7 @@ describe('DocumentList – DocumentRow delegation', () => {
 	it('shows transcription snippet when matchData has one', async () => {
 		const items = [
 			makeItem({
-				document: { ...makeItem().document, id: 'doc1' },
+				id: 'doc1',
 				matchData: {
 					transcriptionSnippet: 'Er schrieb einen langen Brief',
 					titleOffsets: [],
@@ -278,7 +252,7 @@ describe('DocumentList – DocumentRow delegation', () => {
 	});
 
 	it('does not render snippet when matchData has no transcription snippet', async () => {
-		const items = [makeItem({ document: { ...makeItem().document, id: 'doc1' } })];
+		const items = [makeItem({ id: 'doc1' })];
 		render(DocumentList, { ...baseProps, items, total: 1 });
 		await expect.element(page.getByTestId('search-snippet')).not.toBeInTheDocument();
 	});
@@ -286,7 +260,8 @@ describe('DocumentList – DocumentRow delegation', () => {
 	it('renders mark for title highlight when titleOffsets present', async () => {
 		const items = [
 			makeItem({
-				document: { ...makeItem().document, id: 'doc1', title: 'Brief an Anna' },
+				id: 'doc1',
+				title: 'Brief an Anna',
 				matchData: {
 					titleOffsets: [{ start: 0, length: 5 }], // "Brief"
 					senderMatched: false,