feat: 添加关键词高亮和跳转功能

- 在 `MeetingDetail.tsx` 中添加 `linkifySummary` 和 `MarkdownSummary` 组件，支持关键词高亮和虚拟链接
- 更新 `ActiveTranscriptRow` 组件以支持关键词高亮和自动滚动到匹配项
- 增加 `handleKeywordClick` 回调函数，处理关键词点击事件并跳转到相应位置
- 优化样式，添加高亮文本的动画效果和样式调整

frontend/src/components/ThemeSelector/ThemeSelector.tsx

@@ -23,7 +23,7 @@ export default function ThemeSelector() {
   ];
 
   return (
-    <>
+    <div className="theme-selector-container">
       <Space align="center" style={{ cursor: 'pointer', padding: '0 8px' }} onClick={() => setOpen(true)}>
         <FormatPainterOutlined style={{ fontSize: '18px', color: 'var(--app-text-main)' }} title={t("layout.theme", "Theme")} />
       </Space>
@@ -75,7 +75,7 @@ export default function ThemeSelector() {
           </div>
         </Space>
       </Drawer>
-    </>
+    </div>
   );
 }
 

frontend/src/pages/business/MeetingDetail.tsx

@@ -317,6 +317,70 @@ function formatPlayerTime(seconds: number) {
   return `${minutes.toString().padStart(2, '0')}:${remainSeconds.toString().padStart(2, '0')}`;
 }
 
+/**
+ * 给 Markdown 文本中的关键词添加虚拟超链接
+ */
+const linkifySummary = (content: string, keywords: string[]) => {
+  if (!content || !keywords.length) return content;
+
+  // 按长度降序排列关键词，防止短词匹配长词的一部分
+  const sortedKeywords = [...keywords].sort((a, b) => b.length - a.length);
+  const keywordPattern = sortedKeywords.map(k => k.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')).join('|');
+  
+  // 这种正则替换需要非常小心，不要破坏已有的 Markdown 结构（链接、代码块等）
+  // 这里的策略是：先按代码块/链接分割，只在纯文本部分进行替换
+  const parts = content.split(/(```[\s\S]*?```|`[^`]*`|\[[^\]]*\]\([^)]*\))/g);
+  
+  return parts.map(part => {
+    // 如果是代码块或已有链接，不处理
+    if (part.startsWith('```') || part.startsWith('`') || part.startsWith('[')) {
+      return part;
+    }
+    // 在普通文本中查找并替换关键词
+    return part.replace(new RegExp(`(${keywordPattern})`, 'g'), '[$1](#/keyword/$1)');
+  }).join('');
+};
+
+const MarkdownSummary: React.FC<{
+  content: string;
+  keywords: string[];
+  onKeywordClick: (keyword: string) => void;
+}> = ({ content, keywords, onKeywordClick }) => {
+  const processedContent = useMemo(() => linkifySummary(content, keywords), [content, keywords]);
+
+  return (
+    <ReactMarkdown
+      components={{
+        a: ({ href, children, ...props }) => {
+          // 检查是否是关键词链接（支持 URL 编码后的格式）
+          const isKeywordLink = href?.startsWith('#/keyword/') || (href && decodeURIComponent(href).startsWith('#/keyword/'));
+          
+          if (isKeywordLink) {
+            const decodedHref = decodeURIComponent(href!);
+            const keyword = decodedHref.replace('#/keyword/', '');
+            return (
+              <span
+                className="summary-keyword-link"
+                role="link"
+                onClick={(e) => {
+                  e.preventDefault();
+                  e.stopPropagation();
+                  onKeywordClick(keyword);
+                }}
+              >
+                {children}
+              </span>
+            );
+          }
+          return <a href={href} target="_blank" rel="noopener noreferrer" {...props}>{children}</a>;
+        }
+      }}
+    >
+      {processedContent}
+    </ReactMarkdown>
+  );
+};
+
 const MeetingProgressDisplay: React.FC<{
   meetingId: number;
   onComplete: () => void;
@@ -513,6 +577,23 @@ const SpeakerEditor: React.FC<{
   );
 };
 
+const renderContentWithHighlight = (content: string, keyword: string) => {
+  if (!keyword || !content.toLowerCase().includes(keyword.toLowerCase())) {
+    return content;
+  }
+
+  const parts = content.split(new RegExp(`(${keyword})`, 'gi'));
+  return (
+    <>
+      {parts.map((part, i) => (
+        part.toLowerCase() === keyword.toLowerCase() ? (
+          <span key={i} className="highlight-text">{part}</span>
+        ) : part
+      ))}
+    </>
+  );
+};
+
 type ActiveTranscriptRowProps = {
   item: MeetingTranscriptVO;
   meetingId: number;
@@ -527,6 +608,7 @@ type ActiveTranscriptRowProps = {
   onSpeakerUpdated: () => void;
   isActive: boolean;
   audioPlaying: boolean;
+  highlightKeyword?: string;
 };
 
 const ActiveTranscriptRow = React.memo<ActiveTranscriptRowProps>(({
@@ -543,6 +625,7 @@ const ActiveTranscriptRow = React.memo<ActiveTranscriptRowProps>(({
   onSpeakerUpdated,
   isActive,
   audioPlaying,
+  highlightKeyword = '',
 }) => {
   const [draftValue, setDraftValue] = useState(item.content);
   const rowRef = useRef<HTMLDivElement>(null);
@@ -554,10 +637,12 @@ const ActiveTranscriptRow = React.memo<ActiveTranscriptRowProps>(({
   }, [isEditing, item.content]);
 
   useEffect(() => {
-    if (isActive && audioPlaying && rowRef.current) {
-      rowRef.current.scrollIntoView({ behavior: 'smooth', block: 'center' });
+    if ((isActive && audioPlaying) || (highlightKeyword && item.content.toLowerCase().includes(highlightKeyword.toLowerCase()))) {
+      if (rowRef.current) {
+        rowRef.current.scrollIntoView({ behavior: 'smooth', block: 'center' });
+      }
     }
-  }, [isActive, audioPlaying]);
+  }, [isActive, audioPlaying, highlightKeyword, item.content]);
 
   const speakerTagLabel = item.speakerLabel ? (speakerLabelMap.get(item.speakerLabel) || item.speakerLabel) : '';
 
@@ -616,7 +701,7 @@ const ActiveTranscriptRow = React.memo<ActiveTranscriptRowProps>(({
               className={`transcript-bubble ${isOwner ? 'editable' : ''}`}
               onDoubleClick={isOwner ? (event) => onStartEdit(item, event) : undefined}
             >
-              {item.content}
+              {renderContentWithHighlight(item.content, highlightKeyword)}
             </div>
           )}
         </div>
@@ -637,8 +722,10 @@ const ActiveTranscriptRow = React.memo<ActiveTranscriptRowProps>(({
   && prevProps.onSpeakerUpdated === nextProps.onSpeakerUpdated
   && prevProps.isActive === nextProps.isActive
   && prevProps.audioPlaying === nextProps.audioPlaying
+  && prevProps.highlightKeyword === nextProps.highlightKeyword
 ));
 
+
 const MeetingDetail: React.FC = () => {
   const { message } = App.useApp();
   const { id } = useParams<{ id: string }>();
@@ -662,10 +749,6 @@ const MeetingDetail: React.FC = () => {
   const [addingHotwords, setAddingHotwords] = useState(false);
   const [editingTranscriptId, setEditingTranscriptId] = useState<number | null>(null);
   const [savingTranscriptId, setSavingTranscriptId] = useState<number | null>(null);
-  const [audioCurrentTime, setAudioCurrentTime] = useState(0);
-  const [audioDuration, setAudioDuration] = useState(0);
-  const [audioPlaying, setAudioPlaying] = useState(false);
-  const [audioPlaybackRate, setAudioPlaybackRate] = useState(1);
   const [llmModels, setLlmModels] = useState<AiModelVO[]>([]);
   const [prompts, setPrompts] = useState<PromptTemplateVO[]>([]);
   const [, setUserList] = useState<SysUser[]>([]);
@@ -674,11 +757,18 @@ const MeetingDetail: React.FC = () => {
   const [shareSaving, setShareSaving] = useState(false);
   const [sharePasswordEnabled, setSharePasswordEnabled] = useState(false);
   const [sharePasswordDraft, setSharePasswordDraft] = useState('');
+  const [highlightKeyword, setHighlightKeyword] = useState('');
+  const [highlightTimestamp, setHighlightTimestamp] = useState<number | null>(null);
+
+  const audioRef = useRef<HTMLAudioElement>(null);
+  const [audioCurrentTime, setAudioCurrentTime] = useState(0);
+  const [audioDuration, setAudioDuration] = useState(0);
+  const [audioPlaying, setAudioPlaying] = useState(false);
+  const [audioPlaybackRate, setAudioPlaybackRate] = useState(1);
+
   const emptyTranscriptNoticeShownRef = useRef<number | null>(null);
   const audioPlaybackErrorShownRef = useRef<string | null>(null);
 
-
-  const audioRef = useRef<HTMLAudioElement>(null);
   const summaryPdfRef = useRef<HTMLDivElement>(null);
   const transcriptItemRefs = useRef<Record<number, HTMLDivElement | null>>({});
   const leftColumnRef = useRef<HTMLDivElement>(null);
@@ -967,6 +1057,27 @@ const MeetingDetail: React.FC = () => {
     setSummaryVisible(true);
   };
 
+  const seekTo = useCallback((timeMs: number) => {
+    if (!audioRef.current) return;
+    audioRef.current.currentTime = timeMs / 1000;
+    audioRef.current.play();
+  }, []);
+
+  const handleKeywordClick = useCallback((keyword: string) => {
+    const firstMatch = transcripts.find((item) =>
+      item.content.toLowerCase().includes(keyword.toLowerCase())
+    );
+
+    if (firstMatch) {
+      setHighlightKeyword(keyword);
+      setHighlightTimestamp(firstMatch.startTime);
+      seekTo(firstMatch.startTime);
+      message.info(`已跳转至关键词 "${keyword}" 所在位置`);
+    } else {
+      message.warning(`在转录原文中未找到关键词 "${keyword}"`);
+    }
+  }, [transcripts, seekTo, message]);
+
   const handleRetryTranscription = async () => {
     setActionLoading(true);
     try {
@@ -1108,12 +1219,6 @@ const MeetingDetail: React.FC = () => {
     void fetchData(meeting.id);
   }, [fetchData, meeting]);
 
-  const seekTo = useCallback((timeMs: number) => {
-    if (!audioRef.current) return;
-    audioRef.current.currentTime = timeMs / 1000;
-    audioRef.current.play();
-  }, []);
-
   const handleAudioPlaybackError = useCallback(() => {
     const currentAudioUrl = playbackAudioUrl || '';
     if (!currentAudioUrl || audioPlaybackErrorShownRef.current === currentAudioUrl) {
@@ -1631,28 +1736,32 @@ const MeetingDetail: React.FC = () => {
                   ) : meeting.summaryContent ? (
                     <div className="summary-markdown-panel">
                       <div className="markdown-body summary-markdown">
-                        <ReactMarkdown>{meeting.summaryContent}</ReactMarkdown>
+                        <MarkdownSummary
+                          content={meeting.summaryContent}
+                          keywords={analysis.keywords}
+                          onKeywordClick={handleKeywordClick}
+                        />
                       </div>
                     </div>
                   ) : false ? (
                     <>
                       <div className="brief-section">
-                        <div className="brief-section-title">会议概述</div>
-                        {analysis.overview ? (
-                          <>
-                            <div className={!expandSummary && analysis.overview.length > 220 ? 'summary-copy summary-fade' : 'summary-copy'}>
-                              {analysis.overview}
-                            </div>
-                            {analysis.overview.length > 220 && (
-                              <button type="button" className="summary-link" onClick={() => setExpandSummary((value) => !value)}>
-                                {expandSummary ? '收起' : '展开全部'}
-                              </button>
-                            )}
-                          </>
-                        ) : (
-                          <Text type="secondary">暂无概述</Text>
-                        )}
-                      </div>
+                      <div className="brief-section-title">会议概述</div>
+                      {analysis.overview ? (
+                        <div className="summary-copy-wrap">
+                          <div className={!expandSummary && analysis.overview.length > 220 ? 'summary-copy summary-fade' : 'summary-copy'}>
+                            {analysis.overview}
+                          </div>
+                          {analysis.overview.length > 220 && (
+                            <button type="button" className="summary-link" onClick={() => setExpandSummary((value) => !value)}>
+                              {expandSummary ? '收起' : '展开全部'}
+                            </button>
+                          )}
+                        </div>
+                      ) : (
+                        <Text type="secondary">暂无概述</Text>
+                      )}
+                    </div>
 
                       <div className="brief-section">
                         <div className="brief-section-title">主要讨论点</div>
@@ -1789,11 +1898,18 @@ const MeetingDetail: React.FC = () => {
                           {(analysis.keywords.length ? visibleKeywords : meetingTags).length ? (
                             (analysis.keywords.length ? visibleKeywords : meetingTags).map((tag) => {
                               const isSelected = selectedKeywords.includes(tag);
+                              const isHighlighted = highlightKeyword === tag;
                               return (
                                 <div
                                   key={tag}
-                                  className={`tag selectable-tag ${isSelected ? 'selected' : ''}`}
-                                  onClick={() => isOwner && analysis.keywords.length && handleKeywordToggle(tag, !isSelected)}
+                                  className={`tag selectable-tag ${isSelected ? 'selected' : ''} ${isHighlighted ? 'highlighted-tag' : ''}`}
+                                  onClick={() => {
+                                    if (isOwner && analysis.keywords.length) {
+                                      handleKeywordToggle(tag, !isSelected);
+                                    }
+                                    handleKeywordClick(tag);
+                                  }}
+                                  style={isHighlighted ? { borderColor: '#5f51ff', backgroundColor: 'rgba(95, 81, 255, 0.1)' } : {}}
                                 >
                                   <span>#{tag}</span>
                                   {isOwner && isSelected && <CheckCircleFilled style={{ fontSize: 12 }} />}
@@ -1868,11 +1984,13 @@ const MeetingDetail: React.FC = () => {
                               onSpeakerUpdated={handleTranscriptSpeakerUpdated}
                               isActive={isActive}
                               audioPlaying={audioPlaying}
+                              highlightKeyword={highlightKeyword}
                             />
                           );
                         }}
                         locale={{ emptyText: meeting.status < 3 ? '识别任务进行中...' : '暂无数据' }}
                       />
+
                     </div>
                   </Card>
                 </div>
@@ -1914,6 +2032,49 @@ const MeetingDetail: React.FC = () => {
       )}
 
       <style>{`
+        @keyframes highlight-pulse {
+          0% { box-shadow: 0 0 0 rgba(95, 81, 255, 0); transform: scale(1); }
+          50% { box-shadow: 0 0 15px rgba(95, 81, 255, 0.3); transform: scale(1.02); }
+          100% { box-shadow: 0 0 0 rgba(95, 81, 255, 0); transform: scale(1); }
+        }
+        .highlight-text {
+          background: linear-gradient(120deg, rgba(95, 81, 255, 0.15) 0%, rgba(108, 140, 255, 0.1) 100%);
+          border-bottom: 2px solid #5f51ff;
+          border-radius: 3px;
+          padding: 1px 4px;
+          color: #4335eb;
+          font-weight: 600;
+          transition: all 0.3s ease;
+          display: inline-block;
+          line-height: 1.2;
+          margin: 0 1px;
+          cursor: pointer;
+          animation: highlight-pulse 2s infinite ease-in-out;
+        }
+        .highlight-text:hover {
+          background: rgba(95, 81, 255, 0.25);
+          transform: translateY(-1px);
+        }
+        /* 当转录行处于活动状态（紫色背景）时，调整高亮样式以保持可读性 */
+        .ant-list-item.transcript-row.active .highlight-text {
+          background: rgba(255, 255, 255, 0.2);
+          border-bottom-color: #fff;
+          color: #fff;
+          text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
+          animation: none; /* 活动行内不需要脉冲，避免视觉混乱 */
+        }
+        .summary-keyword-link {
+          color: #5f51ff;
+          cursor: pointer;
+          font-weight: 500;
+          padding: 0 2px;
+          border-radius: 2px;
+          transition: all 0.2s;
+        }
+        .summary-keyword-link:hover {
+          background: rgba(95, 81, 255, 0.1);
+          text-decoration: underline;
+        }
         .meeting-detail-page {
           padding: 24px;
           height: calc(100vh - 64px);
@@ -3029,7 +3190,11 @@ const MeetingDetail: React.FC = () => {
               />
             ) : (
               <div className="markdown-body summary-markdown">
-                <ReactMarkdown>{meeting.summaryContent}</ReactMarkdown>
+                <MarkdownSummary
+                  content={meeting.summaryContent}
+                  keywords={analysis.keywords}
+                  onKeywordClick={handleKeywordClick}
+                />
               </div>
             )
           ) : (