Music: Mixes, Favorites and Stats; smart and Family playlists; library radio; offline albums; more

- Mixes tab: daily mix, most played, forgotten favorites, moods, on this day, decades, genres, smart playlists (rules), library radio
- Favorites (hearts, kept by the hub) and Stats (plays, time, top artists/songs/albums, streak, recently played)
- Family playlists shared by everyone with Music; queue reorder; More like this; album/artist About notes
- Save albums offline; player takes colors from the cover; Share a lyric line as a picture; verse of the day on Featured
- musicdata.js keeps plays, favorites, smart rules and Family playlists, with tests

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

server.js

@@ -43,6 +43,7 @@ const savefiles = require('./savefiles'); // "Save to Files": copy books, lesson
 const vbv = require('./vbv');         // Verse By Verse Ministry teaching (free Bible studies)
 const recipes = require('./recipes');     // recipes and the shopping list, from Mealie (MEALIE_URL, MEALIE_TOKEN)
 const contacts = require('./contacts');   // each person's address book (mail suggestions, calendar birthdays, vCard import and export)
+const musicdata = require('./musicdata'); // what was played, favorites, smart and Family playlists for Music
 const mystore = require('./mystore');     // My Store: your own books, music, apps and extensions for everyone to use
 const radio = require('./radio');       // internet radio (Radio Browser directory, The Journey FM)
 const librivox = require('./librivox'); // free audiobooks from LibriVox
@@ -554,6 +555,7 @@ const ACCESS = [
   [/^\/api\/bible\//, ['bible']],
   [/^\/api\/read\//, ['read']],
   [/^\/api\/radio\//, ['radio']],
+  [/^\/api\/music(\/|$)/, ['music']],
   [/^\/api\/store\/my(\/|$)/, ['store']],
   [/^\/api\/recipes(\/|$)/, ['recipes']],
   [/^\/api\/contacts(\/|$)/, ['contacts']],
@@ -652,6 +654,7 @@ async function handleRequest(req, res) {
     if (pathname.startsWith('/api/podcast/')) return podcast.handle(req, res);
     if (pathname.startsWith('/api/read/')) return books.handle(req, res);
     if (pathname.startsWith('/api/radio/')) return radio.handle(req, res);
+    if (pathname.startsWith('/api/music/')) return musicdata.handle(req, res);
     if (pathname === '/api/store/my' || pathname.startsWith('/api/store/my/')) return mystore.handle(req, res);
     if (pathname === '/api/recipes' || pathname.startsWith('/api/recipes/')) return recipes.handle(req, res);
     if (pathname === '/api/contacts' || pathname.startsWith('/api/contacts/')) return contacts.handle(req, res);