feat(audio): 修复说话人聚类并更新至0.4.0-alpha.1

frontend/src/features/media/MediaView.vue

@@ -58,6 +58,7 @@ const warningLabel = (warning: string) => warning.startsWith('MEDIA_CORRUPT_PACK
   ? t(`已跳过 ${warning.split(':')[1]} 个损坏音频包；缺失时长以静音保留，请校对受影响内容。`, `Skipped ${warning.split(':')[1]} damaged audio packets; missing duration was retained as silence. Review the affected content.`)
   : ({
   DIARIZATION_UNAVAILABLE: t('当前无法分离说话人', 'Speaker identification is unavailable'),
+  DIARIZATION_PARTIAL: t('部分片段没有足够语音用于说话人识别，请人工校对', 'Some segments do not contain enough speech for speaker identification; review them manually'),
   WORD_TIMESTAMPS_UNAVAILABLE: t('未提供逐字时间戳', 'Word-level timestamps are unavailable'),
   DIARIZATION_SEGMENT_LEVEL: t('说话人按音频段估计，同段多人或重叠发言需人工校对', 'Speakers are estimated per segment; multiple or overlapping speakers require manual correction'),
 } as Record<string, string>)[warning] || warning

frontend/src/features/vault/VaultEntry.vue

@@ -110,7 +110,7 @@ async function openFolderPicker() {
       </div>
 
       <div class="footer-info">
-        <span>v0.3.2-alpha.1</span>
+        <span>v0.4.0-alpha.1</span>
         <button class="theme-toggle" @click="themeStore.toggleTheme()">
           <AppIcon :icon="themeStore.isDark ? Sunny : Moon" :size="15" />
           {{ themeStore.isDark ? t('浅色', 'Light') : t('深色', 'Dark') }}