feat: synchronise audio and video playback

src/components/KaraokeLyrics.js

@@ -128,7 +128,6 @@ const alphaWhite = (alpha) => `rgba(255,255,255,${alpha})`
 export default function KaraokeLyrics({
   alignedWords = [],
   currentTimeS = 0,
-  timeOffsetS = 0,
   showContext = true,
   removeTags = true,
   mode = 'focus',
@@ -148,10 +147,7 @@ export default function KaraokeLyrics({
   )
 
   const activeLines = mode === 'teleprompter' ? teleprompterData : lines
-  const effectiveTimeS = useMemo(
-    () => Math.max(0, Number(currentTimeS || 0) + Number(timeOffsetS || 0)),
-    [currentTimeS, timeOffsetS]
-  )
+  const effectiveTimeS = Math.max(0, Number(currentTimeS || 0))
 
   const currentLineIdx = useMemo(() => {
     return findFocusedLineIndex(activeLines, effectiveTimeS)