fix: avatar mode default on, show AI text in chat

zhiyin-app/src/manifest.json

@@ -1,8 +1,8 @@
 {
   "name": "宇之然AI磁场",
   "appid": "__UNI__DEV__",
-  "versionName": "1.0.5",
-  "versionCode": "105",
+  "versionName": "1.0.6",
+  "versionCode": "106",
   "description": "职引 - 宇之然AI磁场旗下AI模拟面试平台，提供AI面试官模拟练习、简历智能优化、大厂面经题库，助你轻松应对校招面试。",
   "h5": {
     "title": "职引 - AI模拟面试 | 宇之然AI磁场",

zhiyin-app/src/pages/interview/interview.vue

@@ -83,7 +83,7 @@ const answeredCount = ref(0)
 const isComplete = ref(false)
 const scrollToId = ref('')
 const position = ref('')
-const avatarMode = ref(false)
+const avatarMode = ref(true)
 const aiSpeechText = ref('')
 const aiAudioUrl = ref('')
 const isSpeaking = ref(false)
@@ -173,11 +173,9 @@ const sendAnswer = async () => {
     })
     if (res.statusCode === 200 && res.data?.messages) {
       const aiMsg = res.data.messages.find(m => m.role === 'ai')
+      messages.value.push(...res.data.messages)
       if (avatarMode.value && aiMsg) {
-        // In avatar mode, only show avatar speaking, don't add to chat
         await speakAiText(aiMsg.content, res.data.ttsHash)
-      } else {
-        messages.value.push(...res.data.messages)
       }
       answeredCount.value = res.data.questionCount || answeredCount.value + 1
       if (res.data.ttsHash && !avatarMode.value) {