fix: 修复语音消息取错、时长精度与转写不刷新

- 时长解析：改取 <voicemsg voicelength>（毫秒），不再误取 length（SILK 字节数）
- 时长显示：四舍五入对齐微信口径，有原生时长时不被解码时长覆盖
- 转写：重新识别改为强制重算，跳过身份级缓存短路（音频级缓存仍生效）
- 日报：语音累计秒数显示取整，不再出现小数

src/renderer/src/components/VoicePlayer.tsx

@@ -73,12 +73,14 @@ export function VoicePlayer({
     const audio = new Audio()
     audio.preload = 'auto'
     audio.src = blobUrl
-    audio.onloadedmetadata = () => {
-      if (Number.isFinite(audio.duration)) setAudioDuration(audio.duration)
-    }
-    audio.ontimeupdate = () => {
+    // Silk 解码出来的时长比微信的 length 系统性偏短（实测少 20–279ms），
+    // 用它覆盖会把刚补回来的精度又弄丢：有原生时长时一律不覆盖，没有才回退。
+    const useDecodedDuration = () => {
+      if (duration !== undefined) return
       if (Number.isFinite(audio.duration)) setAudioDuration(audio.duration)
     }
+    audio.onloadedmetadata = useDecodedDuration
+    audio.ontimeupdate = useDecodedDuration
     audio.onended = () => {
       setIsPlaying(false)
       if (globalCurrentAudio === audio) {
@@ -89,7 +91,7 @@ export function VoicePlayer({
     audioRef.current = audio
     objectUrlRef.current = blobUrl
     return audio
-  }, [])
+  }, [duration])
 
   const handlePlayPause = useCallback(async () => {
     if (loading) return
@@ -163,7 +165,8 @@ export function VoicePlayer({
 
       setTranscribing(true)
       try {
-        const result = await window.api.recognizeVoice(voiceReference)
+        // 用户主动触发：跳过身份级缓存，重新取音频（音频级缓存仍生效）。
+        const result = await window.api.recognizeVoice(voiceReference, { force: true })
         if (result.success) {
           setTranscript(result.transcript?.trim() || '未识别出文字')
           setModelStatus(null)
@@ -204,8 +207,11 @@ export function VoicePlayer({
 
   const formatDuration = (seconds: number | undefined): string => {
     if (!seconds || !isFinite(seconds)) return '0:00'
-    const mins = Math.floor(seconds / 60)
-    const secs = Math.floor(seconds % 60)
+    // 微信的口径是四舍五入到整秒（length=4211ms 显示 4"），所以这里也必须 round 而非 floor。
+    // 先整体取整再拆分钟/秒，59.6 → "1:00" 而不会冒出 "0:60"。
+    const rounded = Math.round(seconds)
+    const mins = Math.floor(rounded / 60)
+    const secs = rounded % 60
     return `${mins}:${secs.toString().padStart(2, '0')}`
   }
 

src/renderer/src/utils/group-report-facts.ts

@@ -138,9 +138,13 @@ export const summarySender = (
 export const summaryContent = (message: Message): string => {
   const data = message.contentData
   if (message.type === '语音' || data?.type === 'voice') {
+    // 语音时长来自 <voicemsg voicelength>（毫秒），是带小数的秒（1600ms → 1.6）：
+    // 累加时保留精度，只在显示给人的文案里取整。
+    const durationSec = data?.type === 'voice' ? data.duration : undefined
+    const durationLabel = durationSec ? ` ${Math.round(durationSec)}秒` : ''
     return message.voiceTranscript?.trim()
-      ? `[语音${data?.type === 'voice' && data.duration ? ` ${data.duration}秒` : ''}] ${message.voiceTranscript.trim()}`
-      : `[语音${data?.type === 'voice' && data.duration ? ` ${data.duration}秒` : ''}]`
+      ? `[语音${durationLabel}] ${message.voiceTranscript.trim()}`
+      : `[语音${durationLabel}]`
   }
   if (!data) return message.content?.trim() || `[${message.type || '消息'}]`
 
@@ -567,14 +571,14 @@ const buildMediaSection = async (
     voiceHighlights.push({
       title: '语音输出王',
       sender: voiceLeaderboard[0].sender,
-      note: `共发送 ${voiceLeaderboard[0].count} 条语音，累计 ${voiceLeaderboard[0].durationSec} 秒。`
+      note: `共发送 ${voiceLeaderboard[0].count} 条语音，累计 ${Math.round(voiceLeaderboard[0].durationSec)} 秒。`
     })
   }
   if (bestStreak && bestStreak.count >= 2) {
     voiceHighlights.push({
       title: '连续发言时刻',
       sender: bestStreak.sender,
-      note: `${bestStreak.time} 连发 ${bestStreak.count} 条语音，共 ${bestStreak.duration} 秒。`
+      note: `${bestStreak.time} 连发 ${bestStreak.count} 条语音，共 ${Math.round(bestStreak.duration)} 秒。`
     })
   }
 
@@ -810,7 +814,7 @@ export const buildGroupReportFacts = async (
 
   const factsPrompt = [
     `报告模式：${reportMode === 'compact' ? '精简版（30秒可读完）' : '完整版（保留更多上下文）'}`,
-    `消息统计：共 ${transcriptRows.length} 条，活跃成员 ${speakerCounts.size} 人，图片 ${imageCount} 张，表情 ${stickerCount} 条，语音 ${voiceCount} 条（累计 ${voiceDurationSec} 秒）。`,
+    `消息统计：共 ${transcriptRows.length} 条，活跃成员 ${speakerCounts.size} 人，图片 ${imageCount} 张，表情 ${stickerCount} 条，语音 ${voiceCount} 条（累计 ${Math.round(voiceDurationSec)} 秒）。`,
     activeTimeline ? `活跃时段：${activeTimeline}` : '',
     // AI 图片理解结果(由 ImageInsightService 提供,缓存命中或已调用 Vision)
     (media.visionGallery?.length ?? 0) > 0
@@ -824,7 +828,7 @@ export const buildGroupReportFacts = async (
     voiceLeaderboard.length
       ? `语音榜：${voiceLeaderboard
           .slice(0, 3)
-          .map((item) => `${item.sender} ${item.count} 条 / ${item.durationSec} 秒`)
+          .map((item) => `${item.sender} ${item.count} 条 / ${Math.round(item.durationSec)} 秒`)
           .join('；')}`
       : '',
     collectQuestionCandidates(messages, contact, isGroup).length