Invite-only sign-up, present mode, series, handouts, templates, dictation, progress, sharing

- Admin: sign-up Open / Invite only / Closed with single-use invite links
- Present mode for scripts (auto-scroll) and outlines (step through, pace vs planned minutes)
- Series: group studies on the dashboard, filter by series, calendar file for a study's sessions
- Lesson handout: printable page per session (passage, outline, questions, writing lines)
- Save a chunk's notes as your own study template (synced)
- Voice dictation for notes and scripts (browser speech recognition)
- Reading progress: map of the 66 books and a calendar of days read, synced and merged across devices
- Export highlights and bookmarks as Markdown or Word, grouped by named colour
- Verse of the day push to the ntfy topic (needs IQBIBLE_API_KEY)
- Sharing: co-teacher editing via single-use invite links; read-only links can expire and take a passcode

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

src/components/reader/MarksSheetExport.test.jsx

@@ -0,0 +1,29 @@
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { vi, test, expect } from 'vitest';
+
+vi.mock('../../utils/marksExport.js', async (orig) => ({ ...(await orig()), downloadMarksFile: vi.fn() }));
+import MarksSheet from './MarksSheet.jsx';
+import { downloadMarksFile } from '../../utils/marksExport.js';
+
+const base = { open: true, onClose: () => {}, colorLabels: { '#bbf7d0': 'Promises' }, onSetLabel: () => {}, onJump: () => {}, onRemoveBookmark: () => {}, onRemoveHighlight: () => {} };
+const highlights = [{ id: 'h', color: '#bbf7d0', book: 'JHN', bookName: 'John', bookIndex: 42, chapter: 3, verse: 16, startOffset: 0, endOffset: 5, text: 'For God' }];
+
+test('highlights and bookmarks can be exported as Markdown, named by your colour names', async () => {
+  const user = userEvent.setup();
+  render(<MarksSheet {...base} bookmarks={[]} highlights={highlights} />);
+  await user.click(screen.getByRole('button', { name: 'Markdown' }));
+  const [blob, name] = downloadMarksFile.mock.calls[0];
+  expect(name).toBe('highlights-and-bookmarks.md');
+  expect(await blob.text()).toContain('## Promises (green)');
+});
+
+test('Word export is offered too, and nothing to export means no buttons', async () => {
+  const user = userEvent.setup();
+  const { rerender } = render(<MarksSheet {...base} bookmarks={[]} highlights={highlights} />);
+  await user.click(screen.getByRole('button', { name: 'Word (.docx)' }));
+  await vi.waitFor(() => expect(downloadMarksFile).toHaveBeenCalledTimes(2));
+  expect(downloadMarksFile.mock.calls[1][1]).toBe('highlights-and-bookmarks.docx');
+  rerender(<MarksSheet {...base} bookmarks={[]} highlights={[]} />);
+  expect(screen.queryByRole('group', { name: /export your marks/i })).toBeNull();
+});