fix: 恢复 addResultMessage + 渲染层过滤，避免重复气泡同时支持后续 loading

mini-program/src/pages/main/ScriptView.vue

@@ -114,7 +114,7 @@
 
           <view class="conversation compact">
             <view
-              v-for="msg in resultMessages"
+              v-for="msg in visibleResultMessages"
               :key="msg.id"
             >
               <view v-if="msg.role === 'user' && msg.kind === 'text'" class="chat-bubble user">
@@ -944,12 +944,32 @@ const generationCopy = computed(() => {
 
 // chat 视图 loading 显示条件：等待首个 assistant 响应期间
 // - generationPhase === 'generating'：生成流程未完成
+// 渲染层过滤：去掉"紧跟在已提交 card 后、内容等于 card.answer"的 user 消息，避免重复气泡
+// 这样 showChatLoading 仍能根据"最后一条是 user"正确判断等待状态
+const visibleResultMessages = computed(() => {
+  const list = resultMessages.value
+  if (!list || list.length < 2) return list
+  return list.filter((m, idx) => {
+    if (!(m.role === 'user' && m.kind === 'text')) return true
+    // 向前查找最近的 card 消息
+    for (let i = idx - 1; i >= 0; i--) {
+      const prev = list[i]
+      if (prev.kind === 'card') {
+        // 是已提交 card 且内容相同 → 过滤
+        if (prev.submitted && prev.answer && m.content === prev.answer) return false
+        return true
+      }
+    }
+    return true
+  })
+})
+
 // - generationStatus !== 'failed'：非失败状态
 // - 最后一条消息是 user：说明还没收到 assistant 响应（card/outline/novel）
 const showChatLoading = computed(() => {
   if (generationPhase.value !== 'generating') return false
   if (generationStatus.value === 'failed') return false
-  const list = resultMessages.value
+  const list = visibleResultMessages.value
   if (!list || !list.length) return false
   const lastMsg = list[list.length - 1]
   return lastMsg && lastMsg.role === 'user'
@@ -1753,8 +1773,9 @@ const submitClarification = (answer) => {
   const label = option?.label || answer
   if (card) {
     card.submitted = true
-    card.answer = label  // 显示用 label（中文）；答案已在卡片中显示，无需额外用户气泡
+    card.answer = label  // 显示用 label（中文）；答案已在卡片中显示，但同时添加 user 消息让 loading 能正确判断等待状态
   }
+  addResultMessage({ role: 'user', kind: 'text', content: label })
   answeringClarification.value = true
   currentStreamTask.value = followupStream({
     sessionId: novelSessionId.value,