Refine live control and show overview

src/lib/server/auth.spec.ts

@@ -70,6 +70,21 @@ afterEach(async () => {
 });
 
 describe('authentication', () => {
+	it('stores the show overview preference per user', async () => {
+		const { createFirstAdmin, getShowOverviewView, setShowOverviewView } =
+			await import('./auth.js');
+		const user = await createFirstAdmin({
+			setupToken: 'a'.repeat(32),
+			email: 'calendar@example.test',
+			displayName: 'Kalender Test',
+			password: 'a-valid-password-123'
+		});
+		expect(getShowOverviewView(user.id)).toBe('list');
+		expect(setShowOverviewView(user.id, 'calendar')).toBe('calendar');
+		expect(getShowOverviewView(user.id)).toBe('calendar');
+		expect(() => setShowOverviewView(user.id, 'invalid')).toThrow('INVALID_VIEW');
+	});
+
 	it('creates the first Barkeeper once and stores no plaintext secret', async () => {
 		const { createFirstAdmin } = await import('./auth.js');
 		const password = 'Ein-sehr-langes-Testpasswort';