优化语音聊天和实时聊切入问题

frontend/src/views/ChatView.vue

@@ -43,7 +43,7 @@
         </div>
         <!-- AI正在输入指示器 -->
         <div
-          v-if="isAiTyping"
+          v-if="false"
           class="pet-typing"
           :style="petTypingStyle"
         >
@@ -1263,7 +1263,51 @@ export default {
       localStorage.setItem('selectedPet', JSON.stringify(pet))
     }
 
-    const selectPet = (pet) => {
+    const refreshActiveVoiceModeWithCurrentPet = async () => {
+      // 切换主角后，重建当前语音会话，确保音色/人设使用新主角配置
+      if (chatMode.value === 'call' && isInCall.value) {
+        chatStore.exitRealtimeCallMode()
+        stopCallTimer()
+
+        const callConfig = {
+          speaker: currentPet.value?.volcano_voice_id || 'zh_female_vv_jupiter_bigtts',
+          model: currentPet.value?.volcano_model_version || 'O',
+          bot_name: currentPet.value?.volcano_bot_name || currentPet.value?.name || 'AI助手',
+          system_role: currentPet.value?.volcano_system_role || currentPet.value?.global_prompt || '你是一个友善的AI助手，用简洁自然的语言和用户交流。',
+          character_manifest: currentPet.value?.volcano_character_manifest || '',
+          speaking_style: '语气自然亲切，回复简洁',
+          hello_text: `你好！我是${currentPet.value?.volcano_bot_name || currentPet.value?.name || 'AI助手'}，有什么可以帮助你的吗？`
+        }
+
+        const success = await chatStore.enterRealtimeCallMode(callConfig)
+        if (success) {
+          isInCall.value = true
+          startCallTimer()
+          await startRecording()
+        } else {
+          await switchToTextMode()
+          ElMessage.warning('已切换主角，但实时通话重连失败，已回到文字模式')
+        }
+        return
+      }
+
+      if (chatMode.value === 'voice') {
+        chatStore.exitVoiceChatMode()
+        await chatStore.connectVoiceWebSocket()
+        await new Promise(resolve => setTimeout(resolve, 300))
+
+        await chatStore.startVoiceSession({
+          speaker: currentPet.value?.volcano_voice_id || 'zh_female_vv_jupiter_bigtts',
+          model: currentPet.value?.volcano_model_version || 'O',
+          bot_name: currentPet.value?.volcano_bot_name || currentPet.value?.name || 'AI助手',
+          system_role: currentPet.value?.volcano_system_role || currentPet.value?.global_prompt || '',
+          character_manifest: currentPet.value?.volcano_character_manifest || '',
+          input_mod: 'keep_alive'
+        })
+      }
+    }
+
+    const selectPet = async (pet) => {
       currentPet.value = pet
       const petBinding = backgroundPets.value.find(binding => binding.pet.id === pet.id)
       if (petBinding) {
@@ -1283,7 +1327,14 @@ export default {
         selectedHistoryPetId.value = pet.id
       }
       saveChatConfig()
-      ElMessage.success(`已切换到${pet.name}`)
+
+      try {
+        await refreshActiveVoiceModeWithCurrentPet()
+        ElMessage.success(`已切换到${pet.name}`)
+      } catch (err) {
+        console.error('切换主角后重建语音会话失败:', err)
+        ElMessage.warning(`已切换到${pet.name}，但语音会话重建失败`)
+      }
     }
 
     const togglePetSelector = () => {
@@ -1346,11 +1397,15 @@ export default {
         await stopRecording()
       }
       if (chatMode.value === 'voice') {
+        // 退出语音模式时主动销毁会话，避免下次进入沿用旧主角音色
+        chatStore.exitVoiceChatMode()
         await switchToTextMode()
       } else {
         try {
           const hasPermission = await chatStore.requestMicrophonePermission()
           if (hasPermission) {
+            // 进入语音模式前先清理历史语音会话，确保按当前主角重新建会话
+            chatStore.exitVoiceChatMode()
             chatMode.value = 'voice'
           }
         } catch (error) {