test(documents): cover ocr-status RUNNING path + various doc-prop branches

ocr-status returning RUNNING + jobId triggers pollOcrJob, full
OCR-relevant doc fields, geschichten undefined fallback.

3 new tests covering ~10 branches.

Refs #496.

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

frontend/src/routes/documents/[id]/page.svelte.test.ts

@@ -379,4 +379,71 @@ describe('documents/[id] page', () => {
 			fetchSpy.mockRestore();
 		}
 	});
+
+	it('renders ocr-status RUNNING and starts polling without throwing', async () => {
+		const fetchSpy = vi.spyOn(globalThis, 'fetch').mockImplementation(async (url) => {
+			const u = url.toString();
+			if (u.includes('ocr-status')) {
+				return new Response(JSON.stringify({ status: 'RUNNING', jobId: 'job-1' }), {
+					status: 200,
+					headers: { 'Content-Type': 'application/json' }
+				});
+			}
+			if (u.includes('/ocr/jobs/')) {
+				return new Response(JSON.stringify({ status: 'RUNNING', progressMessage: 'WORKING' }), {
+					status: 200,
+					headers: { 'Content-Type': 'application/json' }
+				});
+			}
+			return new Response('[]', { status: 200, headers: { 'Content-Type': 'application/json' } });
+		});
+		try {
+			mockPage.url = new URL('http://localhost/documents/d-ocr-run?task=transcribe');
+			render(DocumentDetailPage, {
+				props: { data: baseData({ document: { ...baseDoc, id: 'd-ocr-run' } }) }
+			});
+			await new Promise((r) => setTimeout(r, 100));
+			// Page renders; the ocrRunning state is on but we don't assert specific UI
+			// because that requires deep DOM access into TranscriptionEditView.
+			expect(document.body.firstElementChild).not.toBeNull();
+		} finally {
+			fetchSpy.mockRestore();
+		}
+	});
+
+	it('renders without throwing when document has all OCR-relevant fields populated', async () => {
+		mockPage.url = new URL('http://localhost/documents/d-ocr-meta?task=transcribe');
+		expect(() =>
+			render(DocumentDetailPage, {
+				props: {
+					data: baseData({
+						document: {
+							...baseDoc,
+							id: 'd-ocr-meta',
+							scriptType: 'KURRENT',
+							trainingLabels: ['KURRENT_RECOGNITION'],
+							filePath: 's3://bucket/file.pdf',
+							fileHash: 'hash-abc'
+						},
+						canWrite: true,
+						user: { id: 'u1', firstName: 'Anna' }
+					})
+				}
+			})
+		).not.toThrow();
+	});
+
+	it('handles empty geschichten array as falsy (geschichten ?? []) branch', async () => {
+		mockPage.url = new URL('http://localhost/documents/d-no-stories');
+		expect(() =>
+			render(DocumentDetailPage, {
+				props: {
+					data: baseData({
+						document: { ...baseDoc, id: 'd-no-stories' },
+						geschichten: undefined
+					})
+				}
+			})
+		).not.toThrow();
+	});
 });