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>

server/bibleApi.js

@@ -28,6 +28,12 @@ const ABBREV_BY_NAME = new Map(ESV_NAMES.map((n, i) => [n.toLowerCase(), BOOK_OR
 ABBREV_BY_NAME.set('psalms', 'PSA');
 ABBREV_BY_NAME.set('song of songs', 'SNG');
 
+// The full book name for a USFM code ("JHN" -> "John"), or null.
+export function bookNameFor(abbrev) {
+  const i = BOOK_ORDER.indexOf(String(abbrev ?? '').toUpperCase());
+  return i >= 0 ? ESV_NAMES[i] : null;
+}
+
 export function parseEsvReference(ref) {
   const m = String(ref).match(/^(.+?)\s+(\d+):(\d+)/);
   const bookAbbrev = m && ABBREV_BY_NAME.get(m[1].toLowerCase());