fix: AI数字人克隆音色试听传 profile UUID 而非 voice_id

根因：后端 /tts/preview 用传入的 voice_id 去查 VoiceCloneProfile，
期望前端传 profile UUID（voice_clone_profile_id 或 clone.id）。
此前 clone 分支传了 voice_id（CosyVoice 模型 ID），
后端查不到 profile 静默返回，用户点播放无反应。

修复：clone 分支 targetId 改用 voice.voice_clone_profile_id || voice.id。

apps/web/src/pages/ai-avatar/components/PanelVoiceSelector.tsx

@@ -5,6 +5,7 @@
 import { useEffect, useRef, useState } from "react"
 import { message } from "antd"
 import { fetchVoices } from "@/api/voices/voices"
+import { previewTts } from "@/api/tts"
 import type { UnifiedVoiceItem } from "@/api/voices/types"
 import {
   type VoiceSource,
@@ -44,6 +45,9 @@ export function PanelVoiceSelector({
   const [error, setError] = useState<string | null>(null)
   const [previewingId, setPreviewingId] = useState<string | null>(null)
   const audioRef = useRef<HTMLAudioElement | null>(null)
+  /** 克隆音色试听合成缓存：voiceId -> url，对齐配音库 useAudioPlayer */
+  const previewCacheRef = useRef<Map<string, string>>(new Map())
+  const VOICE_PREVIEW_TEXT = "你好呀，欢迎使用小虾智剪，这是我的配音效果，希望你喜欢。"
 
   /* 切换来源时重新获取音色列表 */
   useEffect(() => {
@@ -86,24 +90,15 @@ export function PanelVoiceSelector({
 
   const NO_PREVIEW_TIP = "该音色暂无试听音频，请先用此音色生成一段配音后再试听"
 
-  const handlePreview = (voice: UnifiedVoiceItem) => {
-    const url = voice.preview_url || voice.audio_url
-    if (!url) {
-      message.warning(NO_PREVIEW_TIP)
-      return
-    }
-    /* 再次点击当前试听音色 → 停止 */
-    if (previewingId === voice.id) {
-      stopPreview()
-      return
-    }
+  /** 用指定 URL 真实播放（抽取公共） */
+  const playAudioUrl = (voiceId: string, url: string) => {
     if (audioRef.current) {
       audioRef.current.pause()
       audioRef.current = null
     }
     const audio = new Audio(url)
     audioRef.current = audio
-    setPreviewingId(voice.id)
+    setPreviewingId(voiceId)
     audio.onended = () => {
       if (audioRef.current === audio) {
         audioRef.current = null
@@ -123,6 +118,52 @@ export function PanelVoiceSelector({
     })
   }
 
+  const handlePreview = async (voice: UnifiedVoiceItem) => {
+    /* 再次点击当前试听音色 → 停止 */
+    if (previewingId === voice.id) {
+      stopPreview()
+      return
+    }
+
+    /* 克隆音色：preview_url/audio_url 通常为空，需走 POST /tts/preview
+     * 现合成示例文案再播放，对齐配音库 useAudioPlayer 行为 */
+    if (voice.type === "clone") {
+      const cached = previewCacheRef.current.get(voice.voice_clone_profile_id || voice.id)
+      if (cached) {
+        playAudioUrl(voice.id, cached)
+        return
+      }
+      const targetId = voice.voice_clone_profile_id || voice.id
+      setPreviewingId(voice.id)
+      try {
+        const res = await previewTts({
+          text: VOICE_PREVIEW_TEXT,
+          voice_id: targetId,
+          speed: 1.0,
+        })
+        if (!res.audio_url) {
+          setPreviewingId(null)
+          message.error("合成试听失败：未返回音频")
+          return
+        }
+        previewCacheRef.current.set(targetId, res.audio_url)
+        playAudioUrl(voice.id, res.audio_url)
+      } catch {
+        setPreviewingId(null)
+        // apiClient 拦截器已统一 toast
+      }
+      return
+    }
+
+    /* 系统预设音色：沿用 preview_url/audio_url 直链播放 */
+    const url = voice.preview_url || voice.audio_url
+    if (!url) {
+      message.warning(NO_PREVIEW_TIP)
+      return
+    }
+    playAudioUrl(voice.id, url)
+  }
+
   const handleSpeedChange = (value: string) => {
     const parsed = parseFloat(value)
     if (Number.isNaN(parsed)) return
@@ -187,9 +228,7 @@ export function PanelVoiceSelector({
                 <button
                   type="button"
                   className="aa-voice-card__preview"
-                  title={
-                    !previewUrl ? NO_PREVIEW_TIP : previewingId === voice.id ? "停止试听" : "试听"
-                  }
+                  title={previewingId === voice.id ? "停止试听" : "试听"}
                   disabled={!previewUrl}
                   onClick={(e) => {
                     e.stopPropagation()