fix: hide waveform filmstrip labels

web/components/ad-recreation-board.tsx

@@ -2606,8 +2606,7 @@ function AudioIntakePanel({
 
             <div className="min-w-0 space-y-2">
               <div className="rounded-md border border-white/10 bg-black/32 p-2">
-                <div className="mb-1 flex items-center justify-between gap-3 text-[10px] text-white/40">
-                  <span>音频波形 / 切点参考</span>
+                <div className="mb-1 flex items-center justify-end gap-3 text-[10px] text-white/40">
                   <div className="flex items-center gap-2 font-mono">
                     <span>当前 {currentTime.toFixed(1)}s</span>
                     <span>总 {formatSeconds(timelineDuration)}</span>
@@ -2743,10 +2742,7 @@ function TimelineFilmstrip({
   return (
     <div className="relative z-20 mt-2 overflow-visible pt-1">
       <div className="mb-1.5 flex items-center justify-between gap-3">
-        <div className="min-w-0">
-          <div className="text-[11px] font-semibold text-white/68">画面胶片</div>
-          <div className="mt-0.5 text-[10px] text-white/34">按波形时间点排列，拖到关键帧才选取</div>
-        </div>
+        <div className="min-w-0" />
         <div className="flex shrink-0 items-center gap-1">
           {FILMSTRIP_DENSITIES.map((item) => (
             <button