update now playing screen

src/lyrics/presentation.test.mts

@@ -3,6 +3,7 @@ import test from 'node:test';
 import type { LyricsLine, LyricsPayload } from './types.ts';
 import {
   findActiveSyncedLineIndex,
+  getActiveSyncedLyricsLine,
   getCompensatedLyricsTime,
   getLyricsLineSeekTimeSeconds,
   getLyricsMetaChipText,
@@ -48,6 +49,15 @@ test('a long instrumental gap inserts a synthetic gap row and neutralizes', () =
   const timing = resolveSyncedLyricsTiming(withGap, 6);
   assert.equal(timing.activeLineIndex, -1);
   assert.equal(timing.isNeutral, true);
+  assert.equal(getActiveSyncedLyricsLine(withGap, 6), null);
+});
+
+test('compact lyric peek resolves the raw active cue', () => {
+  assert.equal(getActiveSyncedLyricsLine(lines(), 1.2)?.text, 'B');
+  assert.equal(
+    getActiveSyncedLyricsLine([{ timestampMs: 5000, text: 'later' }], 1),
+    null
+  );
 });
 
 test('translation selection honors the language priority list', () => {

src/lyrics/presentation.ts

@@ -29,6 +29,8 @@ export function getLyricsPayloadSourceLabel(payload: LyricsPayload): string {
 
 export const LYRICS_INFERRED_GAP_THRESHOLD_MS = 10_000;
 export const LYRICS_POST_LINE_HOLD_MS = 4_000;
+/** Shared display compensation for the full lyrics view and compact lyric peek. */
+export const LYRICS_DISPLAY_LEAD_MS = 350;
 
 export interface RenderableSyncedLine {
   line: LyricsLine;
@@ -406,6 +408,18 @@ export function findActiveSyncedLineIndex(
   return resolveSyncedLyricsTiming(lines, currentTimeSeconds, options).activeLineIndex;
 }
 
+/** The raw active lyric cue, or null while playback is in a neutral gap. */
+export function getActiveSyncedLyricsLine(
+  lines: LyricsLine[],
+  currentTimeSeconds: number,
+  options: SyncedLyricsTimingOptions = {}
+): LyricsLine | null {
+  const timing = resolveSyncedLyricsTiming(lines, currentTimeSeconds, options);
+  if (timing.isNeutral || timing.activeCueIndex < 0) return null;
+  const line = lines[timing.activeCueIndex] ?? null;
+  return line && isRenderableSyncedLine(line) ? line : null;
+}
+
 /**
  * The "MANUAL XLRC • SYNCED" style status chip. Trimmed from the desktop
  * variant so it takes only the pieces the mobile band has, not the full Track.