Show the current page in the browser tab title

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/App.flow.test.jsx

@@ -235,3 +235,15 @@ describe('Study cards on Home', () => {
     expect(screen.queryByText('F', { selector: 'span' })).not.toBeInTheDocument(); // only in the Tag filter
   });
 });
+
+describe('Window title', () => {
+  test('names the page you are on, including the chapter in the reader', async () => {
+    const user = userEvent.setup();
+    await renderApp();
+    expect(document.title).toBe('My Studies · Bible Study');
+    await user.click(screen.getByRole('button', { name: /reading plans/i }));
+    await waitFor(() => expect(document.title).toBe('Reading Plans · Bible Study'));
+    await user.click(screen.getByRole('button', { name: /read bible/i }));
+    await waitFor(() => expect(document.title).toMatch(/^[A-Za-z0-9 ]+ \d+ · Bible Study$/));
+  });
+});