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@@ -373,6 +373,14 @@ export const ChatBotPage = () => {
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subtitleOnRef.current = subtitleOn;
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}, [subtitleOn]);
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+ // 当用户在播报过程中从「关闭字幕」切换到「开启字幕」时，如果已有文本，则立即显示字幕区域
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+ useEffect(() => {
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+ if (!subtitleOn) return;
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+ if (currentState !== 'playing') return;
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+ if (!recognizedText) return;
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+ setSubtitleVisible(true);
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+ }, [subtitleOn, currentState, recognizedText]);
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+
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// 只要语音在播报就持续向下滚动，不主动停；仅当字幕消失（不可见或容器卸载）时停止
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const subtitleScrollActiveRef = useRef({ subtitleVisible, currentState });
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const subtitleScrollStepCountRef = useRef(0);
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