fix: 修复 openScriptChat 设置 viewState='result' 导致页面空白的问题

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

@@ -866,7 +866,8 @@ const keepGenerationAtBottom = () => {
 }
 
 const scrollResultToLatest = () => {
-  if (viewState.value !== 'result' && viewState.value !== 'chat') return
+  // 统一对话页：viewState 只有 home/chat（result 已合并到 chat）
+  if (viewState.value !== 'chat') return
   nextTick(() => {
     measureResultViewport()
     pushResultScrollCommand(1000000)
@@ -889,7 +890,7 @@ const keepResultAtBottom = () => {
 }
 
 const scrollResultToTop = () => {
-  if (viewState.value !== 'result') return
+  if (viewState.value !== 'chat') return
   resultScrollTop.value = 0
   resultCommandScrollTop.value = 1
   nextTick(() => {
@@ -908,7 +909,7 @@ watch(generationStatus, () => {
 })
 
 watch(viewState, (state) => {
-  if (state !== 'result') return
+  if (state !== 'chat') return
   measureResultViewport()
 })
 
@@ -1105,9 +1106,9 @@ const endVoicePress = async () => {
 }
 
 const handleVoiceRecognizeSuccess = (text, durationMs) => {
-  if (viewState.value === 'result') {
-    resultChatInput.value = text
-    resultInputFocused.value = true
+  // 统一对话页：在 chat 视图填充底部输入栏，在 home 视图填充心愿输入框
+  if (viewState.value === 'chat') {
+    chatInput.value = text
   } else {
     wishText.value = text
     homeInputFocused.value = true
@@ -1117,7 +1118,7 @@ const handleVoiceRecognizeSuccess = (text, durationMs) => {
     text_length: text.length,
     duration_ms: durationMs || 0
   }, { eventType: 'script', pagePath })
-  uni.showToast({ title: viewState.value === 'result' ? '识别成功，可继续修改建议' : '识别成功，可修改后发送', icon: 'none' })
+  uni.showToast({ title: viewState.value === 'chat' ? '识别成功，可继续修改建议' : '识别成功，可修改后发送', icon: 'none' })
 }
 
 const handleVoiceRecognizeFail = (reason, message = '语音识别失败，请重试') => {
@@ -1430,10 +1431,65 @@ const openScriptChat = async (payload = {}) => {
   currentMessageTime.value = formatMessageTime()
   currentResultTime.value = script.updateTime || script.updatedAt || script.createTime || script.createdAt || formatMessageTime()
   viewMode.value = 'chat'
-  viewState.value = 'result'
+  // 切换到统一对话页（result 视图已合并到 chat）
+  viewState.value = 'chat'
+  generationPhase.value = 'done'
+  // 清空旧的统一对话消息，准备从历史记录重建
+  resultMessages.value = []
+
   if (conversationId.value) {
     await loadMessages()
   }
+
+  // 将历史剧本数据转换为统一对话消息格式，填充 resultMessages
+  const novelContent = currentResult.value?.content || currentResult.value?.plotJson?.fullContent || ''
+  const wishTheme = currentResult.value?.theme || currentResult.value?.title || ''
+
+  // 1. 用户心愿作为首条 user 消息
+  if (wishTheme) {
+    resultMessages.value.push({
+      id: `loaded-wish-${Date.now()}`,
+      role: 'user',
+      kind: 'text',
+      content: wishTheme,
+      pending: false,
+      time: formatMessageTime(),
+      submitted: false,
+      confirmed: false
+    })
+  }
+
+  // 2. 当前小说正文作为 AI novel 消息（已完成态）
+  if (novelContent) {
+    resultMessages.value.push({
+      id: `loaded-novel-${Date.now()}`,
+      role: 'assistant',
+      kind: 'novel',
+      content: novelContent,
+      pending: false,
+      time: formatMessageTime(),
+      submitted: false,
+      confirmed: false
+    })
+  }
+
+  // 3. 对话历史中除首条外的其他消息追加到对话流
+  //    （首条通常是与 wishTheme 重复的用户消息，跳过避免重复）
+  if (messages.value.length > 0) {
+    messages.value.slice(1).forEach(m => {
+      resultMessages.value.push({
+        id: m.id || createMessageId(),
+        role: m.sender === 'user' ? 'user' : 'assistant',
+        kind: 'text',
+        content: m.content || '',
+        pending: false,
+        time: formatMessageTime(),
+        submitted: false,
+        confirmed: false
+      })
+    })
+  }
+
   analytics.track('script_chat_open_from_library', {
     script_id: script.id,
     has_history: messages.value.length > 0
@@ -1795,6 +1851,7 @@ const returnToEdit = () => {
 const closeResult = () => {
   clearGenerationFeedbackTimers()
   generationStatus.value = 'idle'
+  generationPhase.value = 'idle'
   viewState.value = 'home'
   currentResult.value = null
   currentConversationId.value = ''