fix: preserve confirmed followup snapshots and expand flow checks

admin/src/views/tcm/diagnosis/components/FollowupAudioPanel.vue

@@ -204,6 +204,8 @@ function stop() {
     loading.value = false; uploading.value = false; mutation.value = ''; pollRunning = false
 }
 function installDetail(fresh: FollowupTaskDetail, preserve: boolean, preserveRoles = preserve) {
+    // Completed tasks use the server's confirmed snapshot, never an unsaved local draft.
+    preserve = preserve && fresh.status === 'review'
     const keepRoles = preserveRoles && roleDirty.value && fresh.status === 'review'
     if (!fresh.audio_available) releaseAudio()
     if (retainedTranscriptNotice(fresh) && (!detail.value || detail.value.status !== fresh.status || !detail.value.transcript_available)) {
@@ -227,7 +229,8 @@ async function readDetail(id: number, preserve = false) {
     const newlyApplied = detail.value?.status === 'review' && fresh.status === 'applied'
     installDetail(fresh, preserve)
     if (newlyApplied && !previewOnly.value) emit('applied', props.diagnosisId)
-    if (preserve) errorMessage.value = '服务端记录或版本已变化；已保留你的字段与日期修改，并取消所有选择。请重新核对当前值后选择采纳。'
+    if (preserve && fresh.status === 'review') errorMessage.value = '服务端记录或版本已变化；已保留你的字段与日期修改，并取消所有选择。请重新核对当前值后选择采纳。'
+    else if (preserve && newlyApplied) errorMessage.value = '任务已由其他人确认，已显示实际写入结果；本页未保存的修改未写入。'
 }
 async function refresh() {
     if (!effectiveActive.value || !props.diagnosisId || pollRunning || busy.value) return