Preserve and display bilingual and phonetic lyric cues

server/notes.js

@@ -87,7 +87,9 @@ export function sanitizeLyrics(input) {
     const text = cleanLyricText(l.text);
     if (!text) continue;
     const kind = l.kind === 'section' || l.kind === 'cue' ? l.kind : 'line';
-    lines.push({ t: cleanTime(l.t), text, kind });
+    const line = { t: cleanTime(l.t), text, kind };
+    if (kind === 'line') { const secondary = cleanLyricText(l.secondary), phonetic = cleanLyricText(l.phonetic); if (secondary) line.secondary = secondary; if (phonetic) line.phonetic = phonetic; }
+    lines.push(line);
   }
   const tags = (Array.isArray(input.tags) ? input.tags : [])
     .map((t) => cleanText(t, 40)).filter(Boolean).slice(0, MAX_TAGS);

server/notes.test.js

@@ -267,3 +267,7 @@ test('saving a grouped cue preserves one timestamp in current and revision docum
   const flags = await (await app.request(`/api/notes/${id}/flags`)).json();
   expect(flags.flags[0].text).toBe(lines[0].text);
 });
+test('secondary and phonetic lyric fields survive validation without changing old documents', () => {
+  const result = N.sanitizeLyrics({ lines:[{t:1,text:'主',kind:'line',secondary:' Your grace\n is enough ',phonetic:' zhǔ\u0007 '},{t:2,text:'Legacy',kind:'line'}] });
+  expect(result.lines[0].secondary).toBe('Your grace\nis enough'); expect(result.lines[0].phonetic).toBe('zhǔ'); expect(result.lines[1]).toEqual({t:2,text:'Legacy',kind:'line'});
+});