Add library/genres commands and recommendation skills

- bin/audiobooks: add library [limit] [--full] and genres commands
- bin/jellyfin: add library [limit] [--full] and genres commands
- skills/book-recommender: new skill for audiobook recommendations
- skills/media-recommender: new skill for movie/show recommendations

bin/audiobooks

@@ -143,6 +143,47 @@ async function cmdStats() {
   console.log(`in-progress:${inProgress}\tfinished:${finished}\ttotal-listened:${formatDuration(totalListened)}`);
 }
 
+const LIBRARY_ID = '197852a2-2602-4cb9-985c-70f9df5867a8';
+
+async function cmdLibrary(args) {
+  const full = args.includes('--full');
+  const limitArg = args.find(a => a !== '--full');
+  const endpoint = `/api/libraries/${LIBRARY_ID}/items?limit=0&sort=media.metadata.title`;
+  const data = await api(endpoint);
+  const items = data.results || [];
+  const limit = limitArg ? parseInt(limitArg, 10) : items.length;
+
+  console.log('TITLE\tAUTHOR\tSERIES\tNARRATOR\tGENRES\tDURATION\tYEAR\tDESCRIPTION');
+  for (const item of items.slice(0, limit)) {
+    const meta = item.media?.metadata || {};
+    const title = meta.title || 'Unknown';
+    const author = meta.authorName || '-';
+    const series = meta.seriesName || '-';
+    const narrator = meta.narratorName || '-';
+    const genres = (meta.genres || []).join(',') || '-';
+    const duration = formatDuration(item.media?.duration || 0);
+    const year = meta.publishedYear || '-';
+    const desc = meta.description || '';
+    const descOut = full ? desc.replace(/[\t\n\r]/g, ' ') : (desc.length > 100 ? desc.slice(0, 100).replace(/[\t\n\r]/g, ' ') + '...' : desc.replace(/[\t\n\r]/g, ' ')) || '-';
+    console.log(`${title}\t${author}\t${series}\t${narrator}\t${genres}\t${duration}\t${year}\t${descOut}`);
+  }
+}
+
+async function cmdGenres() {
+  const data = await api(`/api/libraries/${LIBRARY_ID}/items?limit=0`);
+  const items = data.results || [];
+  const counts = {};
+  for (const item of items) {
+    for (const g of (item.media?.metadata?.genres || [])) {
+      counts[g] = (counts[g] || 0) + 1;
+    }
+  }
+  const sorted = Object.entries(counts).sort((a, b) => b[1] - a[1]);
+  for (const [genre, count] of sorted) {
+    console.log(`${genre}\t${count}`);
+  }
+}
+
 // --- Main ---
 
 const [cmd, ...args] = process.argv.slice(2);
@@ -154,6 +195,8 @@ const run = async () => {
     case 'finished': await cmdFinished(args); break;
     case 'stats': await cmdStats(); break;
     case 'libraries': await cmdLibraries(); break;
+    case 'library': await cmdLibrary(args); break;
+    case 'genres': await cmdGenres(); break;
     default:
       console.log(`Usage: audiobooks <command>
 
@@ -162,7 +205,9 @@ Commands:
   recent [limit]       Recently active books (default: 5)
   finished [limit]     Finished books (default: 10)
   stats                Listening stats overview
-  libraries            List libraries`);
+  libraries            List libraries
+  library [limit]      All books with metadata (--full for full descriptions)
+  genres               List genres with counts`);
   }
 };